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themes/whitey/gtk-3.20/_common.scss (view raw)

   1//
   2// Suffix
   3//
   4
   5$asset_suffix: if($variant == 'dark', '-dark', '');
   6
   7
   8//
   9// Background sizing
  10//
  11
  12$text_button_large: rem(213px) * 1 / 0.8 rem(213px) * 1 / 0.8, auto;
  13$text_button_small: rem(106px) * 1 / 0.8 rem(106px) * 1 / 0.8, auto;
  14$image_button_large: rem(40px) * 1 / 0.8 rem(40px) * 1 / 0.8, auto;
  15$image_button_small: rem(26px) * 1 / 0.8 rem(26px) * 1 / 0.8, auto;
  16$attention: rem(5.3px) rem(5.3px);
  17$scale: 80%;
  18$separator_narrow: 1px 1px;
  19$separator_wide: 1px 1px, 1px 1px;
  20
  21
  22//
  23// transitions
  24//
  25
  26%transition {
  27  // do not include sizing factors and text colors/shadows
  28  transition-property: opacity,
  29                       border-color,
  30                       border-image,
  31                       background-color,
  32                       background-image,
  33                       box-shadow,
  34                       icon-shadow;
  35  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  36  transition-duration: 0.2s;
  37}
  38
  39
  40/*****************
  41 * Common States *
  42 *****************/
  43
  44* {
  45  @extend %transition; // global transition setting
  46
  47  padding: 0;
  48  background-clip: padding-box;
  49
  50  -GtkToolButton-icon-spacing: 4;
  51  -GtkTextView-error-underline-color: $error_color;
  52
  53  // The size for scrollbars. The slider is 2px smaller, but we keep it
  54  // up so that the whole area is sensitive to button presses for the
  55  // slider. The stepper button is larger in both directions, the slider
  56  // only in the width
  57
  58  -GtkScrolledWindow-scrollbar-spacing: 0;
  59
  60  -GtkToolItemGroup-expander-size: 11;
  61
  62  -GtkWidget-text-handle-width: 16;
  63  -GtkWidget-text-handle-height: 16;
  64
  65  -GtkDialog-button-spacing: 4;
  66  -GtkDialog-action-area-border: 0;
  67
  68  // We use the outline properties to signal the focus properties
  69  // to the adwaita engine: using real CSS properties is faster,
  70  // and we don't use any outlines for now.
  71
  72  outline-style: solid;
  73  outline-width: 2px;
  74  outline-color: $track_color;
  75  outline-offset: rem(-4px);
  76  -gtk-outline-radius: 2px;
  77
  78  -gtk-secondary-caret-color: $selected_bg_color;
  79
  80  // disable drop-shadows as default
  81  text-shadow: none;
  82  -gtk-icon-shadow: none;
  83}
  84
  85
  86/***************
  87 * Base States *
  88 ***************/
  89
  90.background {
  91  background-color: $bg_color;
  92  color: $fg_color;
  93}
  94
  95// These wildcard seems unavoidable, need to investigate.
  96// Wildcards are bad and troublesome, use them with care,
  97// or better, just don't.
  98// Everytime a wildcard is used a kitten dies, painfully.
  99
 100*:disabled { -gtk-icon-effect: dim; }
 101
 102// for backdrop, tone down element surfaces with transparentize
 103%fade_effect {
 104  *:backdrop {
 105    opacity: 0.75;
 106    transition: 0.2s;
 107  }
 108}
 109
 110.gtkstyle-fallback {
 111  background-color: $bg_color;
 112  color: $fg_color;
 113  &:hover {
 114    background-color: darken($bg_color, 5%);
 115    color: $fg_color;
 116  }
 117  &:active {
 118    background-color: darken($bg_color, 10%);
 119    color: $fg_color;
 120  }
 121  &:disabled {
 122    background-color: $bg_color;
 123    color: $insensitive_fg_color;
 124  }
 125  &:selected {
 126    background-color: $selected_bg_color;
 127    color: $selected_fg_color;
 128  }
 129}
 130
 131.view,
 132%view {
 133  @extend row.activatable;
 134  background-color: $base_color;
 135  color: $fg_color;
 136  &:hover,
 137  &:active,
 138  &:selected {
 139    border-radius: 2px;
 140    -gtk-outline-radius: 2px;
 141  }
 142  &:disabled { color: $insensitive_fg_color; }
 143  &:backdrop {
 144  }
 145  &:selected,
 146  &:selected:focus { @extend %selected_items; }
 147}
 148
 149.view,
 150textview {
 151  text {
 152    @extend %view;
 153
 154    selection {
 155      &, &:focus { @extend %selected_items; }
 156    }
 157  }
 158}
 159
 160textview border {
 161  background-color: $bg_color;
 162}
 163
 164iconview { @extend .view; }
 165
 166rubberband,
 167.rubberband {
 168  border: 1px solid $secondary_selected_bg_color;
 169  background-color: gtkopacity($secondary_selected_bg_color, 0.2);
 170}
 171
 172flowbox {
 173  rubberband { @extend rubberband; }
 174
 175  flowboxchild {
 176    padding: rem(2px);
 177    border-radius: 2px;
 178    -gtk-outline-radius: 2px;
 179    &:selected {
 180      @extend %selected_items;
 181      outline-offset: rem(-2px);
 182    }
 183  }
 184}
 185
 186label {
 187  caret-color: currentColor; // this shouldn't be needed.
 188
 189  &.separator {
 190    @extend .dim-label;
 191    color: transparent;
 192  }
 193
 194  &:selected,
 195  row:selected & { @extend %nobg_selected_items; }
 196
 197  selection,
 198  selection:focus { @extend %selected_items; }
 199
 200  &:disabled {
 201    color: $insensitive_fg_color;
 202
 203    selection { @extend %selected_items:disabled; }
 204  }
 205
 206  // always use dark foreground in Gnome-Software
 207  &.kudo-label {
 208    color: $fixed_fg_color;
 209  }
 210}
 211
 212.dim-label {
 213  opacity: 0.55;
 214}
 215
 216assistant {
 217  // sidebar styling
 218  .sidebar {
 219    padding: rem(6.7px) 0;
 220    background-color: $secondary_dark_color;
 221    &:dir(ltr) { border-right: 1px solid $borders_color; }
 222    &:dir(rtl) { border-left: 1px solid $borders_color; }
 223  }
 224
 225  &.csd .sidebar { border-top-style: none; }
 226
 227  .sidebar label {
 228    padding: rem(5.3px) rem(8px) rem(6.7px);
 229    color: $secondary_fg_color;
 230    font-weight: 500;
 231    &.highlight { color: $selected_bg_color; }
 232  }
 233
 234  // header-bar styling
 235  headerbar {
 236    // apply suggested-action button for "Next" and "Back"
 237    // last -> "cancel", nth -> "Next" and "Back", that's weird.
 238    button.flat:not(:last-child) {
 239      @include button(normal);
 240      background-color: $suggested_color;
 241      color: $secondary_selected_fg_color;
 242      &:hover {
 243        @include button(hover);
 244        color: $selected_fg_color;
 245      }
 246      &:active {
 247        @include button(active);
 248        color: $selected_fg_color;
 249        background-color: $selected_bg_color;
 250      }
 251      &:checked {
 252        @include button(checked);
 253        background-color: $suggested_color;
 254        color: $inverted_fg_color;
 255      }
 256      &:disabled { @include button(insensitive); }
 257    }
 258  }
 259}
 260
 261// button box is always shown with flat-buttons
 262buttonbox {
 263  &, &.dialog-action-area {
 264    button {
 265      @include button(flat-normal);
 266      color: $secondary_accent_color;
 267      font-weight: 700;
 268      &:hover {
 269        @include button(flat-hover);
 270        color: $accent_color;
 271      }
 272      &:active {
 273        @include button(flat-active);
 274        color: $accent_color;
 275      }
 276      &:disabled { @include button(flat-insensitive); }
 277      &:checked {
 278        @include button(flat-checked);
 279        color: $accent_color;
 280      }
 281      &:checked:disabled {
 282        @include button(flat-checked-insensitive);
 283        color: gtkopacity($accent_color, 0.4);
 284      }
 285    }
 286  }
 287}
 288
 289%osd, .osd { opacity: 0.9; }
 290
 291
 292/*********************
 293 * Spinner Animation *
 294 *********************/
 295
 296@keyframes colorful_bar {
 297  0% {
 298    -gtk-icon-source: url("assets/bar-red.svg");
 299    -gtk-icon-transform: scale(0, 1.0);
 300  }
 301  24.9% {
 302    -gtk-icon-source: url("assets/bar-red.svg");
 303    -gtk-icon-transform: scale(1.0, 1.0);
 304  }
 305  25% {
 306    -gtk-icon-source: url("assets/bar-yellow.svg");
 307    -gtk-icon-transform: scale(1.0, 1.0);
 308  }
 309  49.9% {
 310    -gtk-icon-source: url("assets/bar-yellow.svg");
 311    -gtk-icon-transform: scale(0, 1.0);
 312  }
 313  50% {
 314    -gtk-icon-source: url("assets/bar-green.svg");
 315    -gtk-icon-transform: scale(0, 1.0);
 316  }
 317  74.9% {
 318    -gtk-icon-source: url("assets/bar-green.svg");
 319    -gtk-icon-transform: scale(1.0, 1.0);
 320  }
 321  75% {
 322    -gtk-icon-source: url("assets/bar-blue.svg");
 323    -gtk-icon-transform: scale(1.0, 1.0);
 324  }
 325  99.9% {
 326    -gtk-icon-source: url("assets/bar-blue.svg");
 327    -gtk-icon-transform: scale(0, 1.0);
 328  }
 329  100% {
 330    -gtk-icon-source: url("assets/bar-red.svg");
 331    -gtk-icon-transform: scale(0, 1.0);
 332  }
 333}
 334
 335spinner {
 336  min-height: rem(16px);
 337  min-width: rem(16px);
 338  // FIXME: workaround for 3.20.1. Needs vertical padding more than 4px?
 339  padding: rem(5.3px) 0 rem(5.3px);
 340  margin: 0;
 341  background: none;
 342  opacity: 0; // non spinning spinner makes no sense
 343  -gtk-icon-source: url("assets/bar-red.svg");
 344  &:checked {
 345    opacity: 1.0;
 346    animation: colorful_bar 2s linear infinite;
 347    &:disabled { opacity: 0.4; }
 348    &:backdrop { opacity: 1.0; }
 349  }
 350  &:backdrop { opacity: 0; }
 351}
 352
 353
 354/****************
 355 * Text Entries *
 356 ****************/
 357
 358entry,
 359.entry {
 360  min-height: rem(13.3px);
 361  min-width: rem(33.3px);
 362  padding: rem(9.3px) rem(8px) rem(10.7px);
 363  @include entry(normal);
 364
 365  &:focus { @include entry(focus); }
 366  &:disabled { @include entry(insensitive); }
 367
 368  &.flat {
 369    border-radius: 0;
 370    @include entry(flat-normal);
 371    &:focus { @include entry(flat-focus); }
 372    &:disabled { @include entry(flat-insensitive); }
 373  }
 374
 375  selection {
 376    &, &:focus { @extend %selected_items; }
 377  }
 378
 379  image { // icons inside the entry
 380    padding-left: rem(4px);
 381    padding-right: rem(4px);
 382  }
 383
 384  progress { @extend %entry_progressbar; }
 385
 386  .linked > &:not(.flat),
 387  .linked.vertical > &:not(.flat) {
 388    @extend .entry.flat;
 389    border-radius: 0;
 390    -gtk-outline-radius: 0;
 391  }
 392
 393  // entry error,warning and missing style
 394  @each $e_type, $e_color in (error, $error_color),
 395                             (warning, $warning_color),
 396                             (search-missing, $error_color) {
 397    &.#{$e_type} {
 398      @include entry(normal, $e_color);
 399      &:focus { @include entry(focus, $e_color); }
 400      &:disabled { @include entry(insensitive, $e_color); }
 401      &.flat {
 402        @include entry(flat-normal, $e_color);
 403        &:focus { @include entry(flat-focus, $e_color); }
 404        &:disabled { @include entry(flat-insensitive, $e_color); }
 405      }
 406    }
 407  }
 408
 409  & image { // entry icons colors
 410    &:not(:hover):not(:active) { color: gtkalpha(currentColor, 0.75); }
 411    &:active { color: $selected_bg_color; }
 412    &:disabled { color: gtkalpha(currentColor, 0.55); }
 413  }
 414
 415  &:drop(active) {
 416    &:focus, & {
 417      border-color: $drop_target_color;
 418      box-shadow: inset 0 0 0 1px $drop_target_color;
 419    }
 420  }
 421
 422  treeview & { // reset styling inside tree-view
 423    &, &.flat:focus {
 424      padding: 1px;
 425      border-radius: 0;
 426      border-image: none;
 427      background-color: $base_color;
 428      color: $fg_color;
 429      box-shadow: none;
 430      transition: none;
 431      &:selected { @extend %selected_items; }
 432    }
 433  }
 434
 435  .osd & {
 436  }
 437}
 438
 439
 440/***********
 441 * Buttons *
 442 ***********/
 443
 444// stuff for .needs-attention
 445@keyframes needs_attention {
 446  from {
 447    background-image: -gtk-gradient(radial,
 448                                    center center, 0,
 449                                    center center, 0.001,
 450                                    to($selected_bg_color),
 451                                    to(transparent));
 452  }
 453  to {
 454    background-image: -gtk-gradient(radial,
 455                                    center center, 0,
 456                                    center center, 0.5,
 457                                    to($selected_bg_color),
 458                                    to(transparent));
 459  }
 460}
 461
 462button,
 463.button {
 464  min-height: rem(13.3px);
 465  min-width: rem(33.3px);
 466  padding: rem(9.3px) rem(13.3px) rem(10.7px);
 467  border-radius: 2px;
 468  -gtk-outline-radius: 2px;
 469  background-repeat: no-repeat;
 470  background-position: center, center;
 471  background-size: $text_button_small;
 472  font-weight: 500;
 473  @include button(normal);
 474  &:hover { @include button(hover); }
 475  &:active { @include button(active); }
 476  &:disabled { @include button(insensitive); }
 477  &:checked { @include button(checked); }
 478  &:checked:disabled { @include button(checked-insensitive); }
 479  &.flat {
 480    @include button(flat-normal);
 481    &:hover { @include button(flat-hover); }
 482    &:active { @include button(flat-active); }
 483    &:disabled { @include button(flat-insensitive); }
 484    &:checked { @include button(flat-checked); }
 485    &:checked:disabled { @include button(flat-checked-insensitive); }
 486    .linked > & {
 487      border-radius: 2px;
 488      -gtk-outline-radius: 2px;
 489      &.image-button {
 490        border-radius: 100px;
 491        -gtk-outline-radius: 100px;
 492      }
 493    }
 494  }
 495
 496  // big standalone buttons like in Documents pager
 497  &.osd {
 498    &.image-button {
 499      @extend button.flat;
 500      @extend %image_button;
 501      padding: rem(17.3px);
 502      background-color: $inverted_dark_color;
 503      background-size: $image_button_large;
 504      &:not(:active):not(:disabled):not(hover) {
 505        color: $secondary_accent_color;
 506      }
 507      &:hover {
 508        color: $accent_color;
 509        background-color: gtkopacity($inverted_dark_color, 0.7);
 510        background-image: linear-gradient(to bottom, $track_color);
 511      }
 512      &:active {
 513        color: $accent_color;
 514        background-color: gtkopacity($inverted_dark_color, 0.7);
 515        background-image: linear-gradient(to bottom, $accent_fill_color);
 516      }
 517    }
 518    &:disabled { opacity: 0; }
 519  }
 520
 521  // overlay / OSD style
 522  .osd & {
 523  }
 524
 525  // Suggested and Destructive Action buttons
 526  @each $b_type, $b_color in (suggested-action, $suggested_color),
 527                             (destructive-action, $destructive_color) {
 528    &.#{$b_type} {
 529      background-color: $b_color;
 530      background-size: $text_button_small;
 531      color: $selected_fg_color;
 532      &:hover {
 533        @include button(hover);
 534        background-color: $b_color;
 535        color: $selected_fg_color;
 536      }
 537      &:active {
 538        @include button(active);
 539        background-color: $selected_bg_color;
 540        color: $selected_fg_color;
 541      }
 542      &:checked { background-color: mix($selected_fg_color, $b_color, 20%); }
 543      &:disabled {
 544        @include button(insensitive, $b_color,
 545                                     $insensitive_selected_fg_color);
 546      }
 547      &.flat {
 548        background-color: transparent;
 549        color: $b_color;
 550        &:hover { @include button(flat-hover, $track_color, $b_color); }
 551        &:active {
 552          @include button(flat-active);
 553          background-color: gtkalpha($selected_bg_color, 0.2);
 554          color: $selected_bg_color;
 555        }
 556        &:checked { @include button(flat-checked, $b_color, $selected_fg_color); }
 557        &:disabled {
 558          @include button(flat-insensitive, $b_color,
 559                                            $insensitive_selected_fg_color);
 560        }
 561      }
 562    }
 563  }
 564
 565  &.image-button {
 566    @extend %image_button;
 567    min-width: rem(13.3px);
 568    min-height: rem(13.3px);
 569  }
 570
 571  &.text-button {
 572    padding: rem(9.3px) rem(13.3px) rem(10.7px);
 573    border-radius: 2px;
 574    -gtk-outline-radius: 2px;
 575    font-weight: 700;
 576  }
 577
 578  &.text-button.image-button {
 579    // those buttons needs uneven horizontal padding, we want the icon side
 580    // to have the image-button padding, while the text side the text-button
 581    // one, so we're adding the missing padding to the label depending on
 582    // its position inside the button
 583    padding-left: rem(13.3px);
 584    padding-right: rem(13.3px);
 585    border-radius: 2px;
 586    -gtk-outline-radius: 2px;
 587
 588    label {
 589      padding-left: rem(4px);
 590      padding-right: rem(4px);
 591    }
 592
 593    image {
 594      padding-left: rem(4px);
 595      padding-right: rem(4px);
 596    }
 597
 598    &:drop(active) {
 599      color: $drop_target_color;
 600      background-color: $drop_target_fill_color;
 601    }
 602  }
 603
 604  separator,
 605  .separator { // remove vertical separator
 606    @extend separator.wide;
 607    min-height: 0;
 608    min-width: 0;
 609    border-color: transparent;
 610    background-color: transparent;
 611    color: transparent;
 612  }
 613
 614  stackswitcher & { // do not shrink buton width
 615    &.text-button {
 616      min-height: rem(17.3px);
 617      min-width: rem(112px);
 618    }
 619  }
 620
 621  .stack-switcher > & {
 622    // to position the needs attention dot, padding is added to the button
 623    // child, a label needs just lateral padding while an icon needs vertical
 624    // padding added too.
 625
 626    outline-offset: rem(-2.6px); // needs to be set or it gets overriden
 627                                 // by GtkRadioButton outline-offset
 628
 629    > label {
 630      padding-left: rem(8px);  // label padding
 631      padding-right: rem(8px); //
 632    }
 633
 634    > image {
 635      padding-left: rem(8px);     // image padding
 636      padding-right: rem(8px);    //
 637      padding-top: rem(2.7px);    //
 638      padding-bottom: rem(2.7px); //
 639    }
 640
 641    &.text-button {
 642      // compensate text-button paddings
 643      padding-left: rem(13.3px);
 644      padding-right: rem(13.3px);
 645      border-radius: 2px;
 646      -gtk-outline-radius: 2px;
 647    }
 648
 649    &.image-button {
 650      // we want image buttons to have a 1:1 aspect ratio, so compensation
 651      // of the padding added to the image is needed
 652      padding-left: rem(8px);
 653      padding-right: rem(8px);
 654    }
 655
 656    &.needs-attention > label,
 657    &.needs-attention > image { @extend %needs_attention; }
 658    &.needs-attention:active > label,
 659    &.needs-attention:active > image,
 660    &.needs-attention:checked > label,
 661    &.needs-attention:checked > image {
 662      animation: none;
 663      background-image: none;
 664    }
 665  }
 666
 667  // mimic tab-switcher-like button array
 668  // horizontal array
 669  .linked > &:not(.flat):not(:only-child) { @extend %linked_middle; }
 670  .linked > &,
 671  .linked > & .image-button,
 672  .linked > & .text-button {
 673    @extend %linked_middle;
 674    @extend %button_array;
 675    min-width: rem(13.3px);
 676    padding: rem(9.3px) rem(5.3px) rem(10.7px);
 677
 678    label {
 679      padding-left: rem(4px);
 680      padding-right: rem(4px);
 681    }
 682
 683    image {
 684      padding-left: rem(4px);
 685      padding-right: rem(4px);
 686    }
 687  }
 688  // vertical array
 689  .linked.vertical > &:not(:only-child) { @extend %linked_vertical_middle; }
 690  .linked.vertical > &,
 691  .linked.vertical > & .image-button,
 692  .linked.vertical > & .text-button {
 693    @extend %linked_vertical_middle;
 694    @extend %button_vertical_array;
 695    min-height: rem(13.3px);
 696    min-width: rem(22.6px);
 697    padding: rem(10px) rem(6.7px) rem(10px);
 698  }
 699
 700  // generic switcher image buttons
 701  .linked > &.image-button.radio,
 702  .linked.vertical > &.image-button.radio {
 703      min-width: rem(13.3px);
 704      min-height: rem(13.3px);
 705      padding: rem(8px);
 706  }
 707
 708  // inline-toolbar and action-bar buttons
 709  .inline-toolbar &,
 710  actionbar {
 711    &, &:not(.text-button).image-button {
 712      @include button(flat-normal);
 713      min-width: rem(13.3px);
 714      min-height: rem(13.3px);
 715      padding: rem(10px);
 716      border-radius: 100px;
 717      -gtk-outline-radius: 100px;
 718      background-size: $image_button_small;
 719      &:hover { @include button(flat-hover); }
 720      &:active { @include button(flat-active); }
 721      &:disabled { @include button(flat-insensitive); }
 722      &:checked { @include button(flat-checked); }
 723      &:checked:disabled { @include button(flat-checked-insensitive); }
 724    }
 725    &.text-button {
 726      border-radius: 2px;
 727      -gtk-outline-radius: 2px;
 728    }
 729  }
 730  .inline-toolbar .linked > &,
 731  actionbar .linked > & {
 732    &, &:not(.text-button).image-button {
 733      min-width: rem(13.3px);
 734      min-height: rem(13.3px);
 735      padding: rem(6.7px);
 736      border-radius: 100px;
 737      -gtk-outline-radius: 100px;
 738    }
 739    &.image-button.toggle {
 740      min-width: rem(13.3px);
 741      min-height: rem(13.3px);
 742      padding: rem(8px) rem(4px) rem(8px);
 743      border-radius: 100px;
 744      -gtk-outline-radius: 100px;
 745    }
 746    &.text-button {
 747      border-radius: 2px;
 748      -gtk-outline-radius: 2px;
 749    }
 750  }
 751
 752  .primary-toolbar & { -gtk-icon-shadow: none; } // tango icons don't need shadows
 753}
 754
 755%button_array {
 756  @include button(flat-normal);
 757  border-radius: 0;
 758  -gtk-outline-radius: 0;
 759  color: $secondary_fg_color;
 760  border-image: -gtk-gradient(radial,
 761                              center bottom, 0,
 762                              center bottom, 0.5,
 763                              to($track_color),
 764                              to(transparent))
 765                              0 0 1 / 0 0 1px;
 766  &:hover {
 767    @include button(flat-hover);
 768    border-radius: 0;
 769    border-image: -gtk-gradient(radial,
 770                                center bottom, 0,
 771                                center bottom, 0.5,
 772                                to($track_color),
 773                                to(transparent))
 774                                0 0 2 / 0 0 2px;
 775  }
 776  &:active,
 777  &:checked {
 778    color: $fg_color;
 779    background-color: transparent;
 780    border-image: -gtk-gradient(radial,
 781                                center bottom, 0,
 782                                center bottom, 0.5,
 783                                to($selected_bg_color),
 784                                to(transparent))
 785                                0 0 2 / 0 0 2px;
 786    &:disabled {
 787      color: $insensitive_fg_color;
 788      background-color: transparent;
 789      border-image: -gtk-gradient(radial,
 790                                  center bottom, 0,
 791                                  center bottom, 0.5,
 792                                  to(gtkopacity($selected_bg_color, 0.2)),
 793                                  to(transparent))
 794                                  0 0 2 / 0 0 2px;
 795      > label { color: inherit; }
 796    }
 797  }
 798  &:disabled {
 799    color: $insensitive_fg_color;
 800    background-color: transparent;
 801    border-image: -gtk-gradient(radial,
 802                                center bottom, 0,
 803                                center bottom, 0.5,
 804                                to($track_color),
 805                                to(transparent))
 806                                0 0 1 / 0 0 1px;
 807  }
 808}
 809
 810%button_vertical_array {
 811  @include button(flat-normal);
 812  border-image: none;
 813  border-width: 0;
 814  -gtk-outline-radius: 0;
 815  color: $secondary_fg_color;
 816  &:dir(ltr) { box-shadow: inset 1px 0 $track_color; }
 817  &:dir(rtl) { box-shadow: inset -1px 0 $track_color; }
 818  &:hover {
 819    @include button(flat-hover);
 820    &:dir(ltr) { box-shadow: inset 2px 0 $track_color; }
 821    &:dir(rtl) { box-shadow: inset -2px 0 $track_color; }
 822  }
 823  &:active,
 824  &:checked {
 825    color: $fg_color;
 826    background-color: transparent;
 827    &:dir(ltr) { box-shadow: inset 2px 0 $selected_bg_color; }
 828    &:dir(rtl) { box-shadow: inset -2px 0 $selected_bg_color; }
 829    &:disabled {
 830      color: $insensitive_fg_color;
 831      background-color: $track_color;
 832      &:dir(ltr) { box-shadow: inset 2px 0 gtkopacity($selected_bg_color, 0.2); }
 833      &:dir(ltr) { box-shadow: inset -2px 0 gtkopacity($selected_bg_color, 0.2); }
 834      > label { color: inherit; }
 835    }
 836  }
 837  &:disabled {
 838    color: $insensitive_fg_color;
 839    background-color: $track_color;
 840    &:dir(ltr) { box-shadow: inset 1px 0 $track_color; }
 841    &:dir(rtl) { box-shadow: inset -1px 0 $track_color; }
 842  }
 843}
 844
 845%image_button {
 846  padding: rem(10px);
 847  -gtk-outline-radius: 100px;
 848  border-radius: 100px;
 849  background-size: $image_button_large;
 850}
 851
 852%needs_attention {
 853  transition: none;
 854  animation: needs_attention 0.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
 855  background-repeat: no-repeat;
 856  background-position: right rem(3px);
 857  background-size: $attention;
 858  &:dir(rtl) { background-position: left rem(3px); }
 859}
 860
 861// all the following is for the +|- buttons on inline toolbars, that way
 862// should really be deprecated...
 863toolbar.inline-toolbar toolbutton > button { // redefining the button look is
 864                                             // needed since those are flat...
 865}
 866
 867// More inline toolbar buttons
 868toolbar.inline-toolbar toolbutton {
 869  // & > button.flat { @extend %linked_middle; }
 870  // &:first-child > button.flat { @extend %linked:first-child; }
 871  // &:last-child > button.flat { @extend %linked:last-child; }
 872  // &:only-child > button.flat { @extend %linked:only-child; }
 873}
 874
 875%linked_middle { border-radius: 0; }
 876
 877%linked {
 878  -gtk-outline-radius: 2px;
 879  @extend %linked_middle;
 880  &:first-child {
 881    border-top-left-radius: 2px;
 882    border-bottom-left-radius: 2px;
 883  }
 884  &:last-child {
 885    border-top-right-radius: 2px;
 886    border-bottom-right-radius: 2px;
 887  }
 888  &:only-child { border-radius: 2px; }
 889}
 890
 891%linked_vertical_middle { border-radius: 0; }
 892
 893%linked_vertical{
 894  -gtk-outline-radius: 2px;
 895  @extend %linked_vertical_middle;
 896  &:first-child {
 897    border-top-left-radius: 2px;
 898    border-top-right-radius: 2px;
 899  }
 900  &:last-child {
 901    border-bottom-left-radius: 2px;
 902    border-bottom-right-radius: 2px;
 903  }
 904  &:only-child { border-radius: 2px; }
 905}
 906
 907// menu buttons on GtkPopover
 908modelbutton.flat,
 909.menuitem.button.flat {
 910  @include button(flat-normal);
 911  min-height: rem(26.6px);
 912  padding: rem(2.7px) rem(5.3px) rem(3.3px);
 913  outline-offset: rem(-1px);
 914  background-size: $text_button_small;
 915  color: $secondary_fg_color;
 916  transition: none;
 917  &:hover {
 918    @include button(flat-hover);
 919    color: $fg_color;
 920  }
 921  &:active {
 922    @include button(flat-active);
 923    color: $fg_color;
 924  }
 925  &:checked {
 926    @include button(flat-checked);
 927    color: $fg_color;
 928  }
 929  &:checked:disabled {
 930    @include button(flat-checked-insensitive);
 931    color: $insensitive_fg_color;
 932  }
 933  &:disabled {
 934    @include button(flat-insensitive);
 935    color: $insensitive_secondary_fg_color;
 936  }
 937
 938  check,
 939  radio {
 940    &:first-child { margin-right: rem(13.3px); }
 941    &:last-child { margin-left: rem(13.3px); }
 942  }
 943}
 944
 945modelbutton.flat arrow {
 946  background: none;
 947  &:hover { background: none; }
 948  &.left { -gtk-icon-source: -gtk-icontheme("pan-start-symbolic"); }
 949  &.right { -gtk-icon-source: -gtk-icontheme("pan-end-symbolic"); }
 950}
 951
 952button.color {
 953  min-width: rem(33.3px);
 954  min-height: rem(20px);
 955  padding: rem(6.7px) rem(8px) rem(6.7px); // Uniform padding on the GtkColorButton
 956
 957  > colorswatch:first-child:last-child { // :first-child:last-child for
 958                                         // a specificity bump, it gets
 959                                         // overridden by the colorpicker style
 960    &, overlay {
 961      border-radius: 2px;
 962      -gtk-outline-radius: 2px;
 963    }
 964    box-shadow: $z-depth-1;
 965  }
 966
 967  &,
 968  GtkColorSwatch {
 969    &:disabled {
 970      box-shadow: none;
 971      opacity: 0.4;
 972    }
 973  }
 974}
 975
 976// toolpalette buttons
 977toolpalette {
 978  toolitemgroup {
 979    > button {
 980      border-top: 1px solid $borders_color;
 981      border-radius: 0;
 982    }
 983  }
 984
 985  toolbutton {
 986    > button.toggle { // use square buttons
 987      border-radius: 2px;
 988      -gtk-outline-radius: 2px;
 989    }
 990  }
 991}
 992
 993
 994/*********
 995 * Links *
 996 *********/
 997
 998*:link {
 999  color: $link_color;
1000  &:hover,
1001  &:active { color: $link_color; }
1002  &:visited {
1003    color: $link_visited_color;
1004    &:hover,
1005    &:active { color: $link_visited_color; }
1006    *:selected & { color: mix($selected_fg_color, $selected_bg_color, 60%); }
1007  }
1008  &:selected,
1009  *:selected & { color: mix($selected_fg_color, $selected_bg_color, 80%); }
1010  &:disabled { opacity: 0.4; }
1011}
1012
1013button:link,
1014button:visited {
1015  // FIXME: aggregate with buttons
1016  @extend *:link;
1017  & > label { text-decoration-line: underline; }
1018}
1019
1020
1021/*****************
1022 * GtkSpinButton *
1023 *****************/
1024
1025@keyframes spin_hover {
1026  from {
1027    background-image: -gtk-gradient(radial,
1028                                    center center, 0,
1029                                    center center, 0.01,
1030                                    to(gtkalpha(currentColor, 0)),
1031                                    to(transparent));
1032  }
1033  to {
1034    background-image: -gtk-gradient(radial,
1035                                    center center, 0,
1036                                    center center, 0.5,
1037                                    to(gtkalpha(currentColor, 0.1)),
1038                                    to(transparent));
1039  }
1040}
1041
1042@keyframes spin_active {
1043  from {
1044    background-image: -gtk-gradient(radial,
1045                                    center center, 0,
1046                                    center center, 0.5,
1047                                    to(gtkalpha(currentColor, 0.2)),
1048                                    to(transparent));
1049  }
1050  to {
1051    background-image: -gtk-gradient(radial,
1052                                    center center, 0,
1053                                    center center, 0.01,
1054                                    to(gtkalpha(currentColor, 0)),
1055                                    to(transparent));
1056  }
1057}
1058
1059spinbutton {
1060  &:not(.vertical) {
1061    // in this horizontal configuration, the whole spinbutton
1062    // behaves as the entry, so we extend the entry styling
1063    // and nuke the style on the internal entry
1064    @extend entry;
1065    padding: 0;
1066
1067    // FIXME: this should not be set at all, but otherwise it gets the wrong
1068    // color
1069    &:disabled { color: $insensitive_fg_color; }
1070
1071    entry {
1072      margin: 0;
1073      background: none;
1074      border: none;
1075      box-shadow: none;
1076    }
1077
1078    button {
1079      @include button(flat-normal);
1080      min-width: rem(13.3px);
1081      min-height: rem(13.3px);
1082      padding: 0 rem(7.3px) 0;
1083      border: solid rem(2.7px) transparent;
1084      border-radius: 100px;
1085      -gtk-outline-radius: 100px;
1086      background: none;
1087      background-size: contain;
1088      color: $secondary_fg_color;
1089      box-shadow: none;
1090      transition-property: opacity,
1091                           color,
1092                           background-color,
1093                           background-image,
1094                           box-shadow;
1095
1096
1097      &:not(:last-child) { // '-' button
1098        &:hover {
1099          @include button(flat-hover);
1100          background: none;
1101          color: $error_color;
1102          animation: spin_hover 0.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
1103        }
1104        &:active {
1105          @include button(flat-active);
1106          background: none;
1107          color: $error_color;
1108          animation: spin_active 0.15s cubic-bezier(0.4, 0, 0.2, 1) forwards;
1109          transition-duration: 0.15s;
1110        }
1111        &:disabled {
1112          @include button(flat-insensitive);
1113          background: none;
1114          color: $insensitive_fg_color;
1115        }
1116      }
1117      &:last-child { // '+' button
1118        &:hover {
1119          @include button(flat-hover);
1120          background: none;
1121          color: $success_color;
1122          animation: spin_hover 0.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
1123        }
1124        &:active {
1125          @include button(flat-active);
1126          background: none;
1127          color: $success_color;
1128          animation: spin_active 0.15s cubic-bezier(0.4, 0, 0.2, 1) forwards;
1129          transition-duration: 0.15s;
1130        }
1131        &:disabled {
1132          @include button(flat-insensitive);
1133          background: none;
1134          color: $insensitive_fg_color;
1135        }
1136      }
1137    }
1138  }
1139
1140  .osd &,
1141  .osd &.vertical {
1142    &,
1143    button,
1144    entry {
1145      color: $inverted_secondary_fg_color;
1146      &:focus { color: $inverted_fg_color; }
1147      &:disabled { color: $insensitive_inverted_secondary_fg_color; }
1148    }
1149  }
1150
1151  &.vertical { // FIXME: try using linking templates for
1152               // vertically linked stuff
1153    entry {
1154      min-width: rem(33.3px);
1155      min-height: rem(33.3px);
1156      padding: 0;
1157      border-radius: 0;
1158    }
1159
1160    button {
1161      min-width: rem(26.7px);
1162      min-height: rem(26.7px);
1163      padding: rem(2.7px);
1164      border: rem(2.7px) solid transparent;
1165      border-radius: 200px;
1166      -gtk-outline-radius: 200px;
1167      background: none;
1168      background-size: contain;
1169      color: $secondary_fg_color;
1170      box-shadow: none;
1171      transition-property: opacity,
1172                           color,
1173                           background-color,
1174                           background-image,
1175                           box-shadow;
1176
1177      &.up { // '+' button
1178        &:hover {
1179          @include button(flat-hover);
1180          background: none;
1181          color: $success_color;
1182          animation: spin_hover 0.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
1183        }
1184        &:active {
1185          @include button(flat-active);
1186          background: none;
1187          color: $success_color;
1188          animation: spin_active 0.15s cubic-bezier(0.4, 0, 0.2, 1) forwards;
1189          transition-duration: 0.15s;
1190        }
1191        &:disabled {
1192          @include button(flat-insensitive);
1193          background: none;
1194          color: $insensitive_fg_color;
1195        }
1196      }
1197      &.down { // '-' button
1198        &:hover {
1199          @include button(flat-hover);
1200          background: none;
1201          color: $error_color;
1202          animation: spin_hover 0.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
1203        }
1204        &:active {
1205          @include button(flat-active);
1206          background: none;
1207          color: $error_color;
1208          animation: spin_active 0.15s cubic-bezier(0.4, 0, 0.2, 1) forwards;
1209          transition-duration: 0.15s;
1210        }
1211        &:disabled {
1212          @include button(flat-insensitive);
1213          background: none;
1214          color: $insensitive_fg_color;
1215        }
1216      }
1217    }
1218  }
1219
1220  // Misc
1221  treeview & {
1222    & entry:focus {
1223      padding: 1px;
1224      border-radius: 0;
1225      border-width: 0;
1226      background-color: $base_color;
1227      color: $fg_color;
1228      box-shadow: none;
1229      &:selected { @extend %selected_items; }
1230    }
1231  }
1232}
1233
1234
1235/**************
1236 * ComboBoxes *
1237 **************/
1238
1239combobox {
1240  arrow {
1241    -gtk-icon-source: -gtk-icontheme('pan-down-symbolic');
1242    min-height: rem(16px);
1243    min-width: rem(16px);
1244  }
1245
1246  &.linked {
1247    button:nth-child(2) {
1248      &:dir(ltr) { @extend %linked:last-child; }
1249      &:dir(rtl) { @extend %linked:first-child; }
1250    }
1251  }
1252
1253  &:drop(active) {
1254    button.combo { @extend button:drop(active); }
1255  }
1256
1257  & menu { padding: rem(3.3px) 0; }
1258  & menu > menuitem { padding: rem(4.7px) rem(5.3px) rem(6px); }
1259
1260  entry.combo {
1261  }
1262
1263  button.combo { // button spacing
1264    min-height: rem(13.3px);
1265    min-width: rem(17.3px);
1266    padding: rem(8px) rem(5.3px) rem(8.7px);
1267
1268    arrow { padding: 0 rem(4px) 0; }
1269
1270    label {
1271      padding-left: rem(4px);
1272      padding-right: rem(4px);
1273    }
1274
1275    image {
1276      min-height: rem(16px);
1277      min-width: rem(16px);
1278      padding-left: rem(4px);
1279      padding-right: rem(4px);
1280    }
1281  }
1282
1283  button.combo { // button styling
1284    @include button(flat-normal);
1285    color: $secondary_fg_color;
1286    background: transparent;
1287    border-image: -gtk-gradient(radial,
1288                                center bottom, 0,
1289                                center bottom, 0.5,
1290                                to($track_color),
1291                                to(transparent))
1292                                0 0 1 / 0 0 1px;
1293    &:hover,
1294    &:active {
1295      @include button(flat-hover);
1296      border-radius: 0;
1297      color: $fg_color;
1298      background: transparent;
1299      border-image: -gtk-gradient(radial,
1300                                  center bottom, 0,
1301                                  center bottom, 0.5,
1302                                  to($selected_bg_color),
1303                                  to(transparent))
1304                                  0 0 2 / 0 0 2px;
1305    }
1306    &:disabled,
1307    &:checked:disabled {
1308      @include button(flat-insensitive);
1309      color: $insensitive_fg_color;
1310      background: transparent;
1311      border-image: -gtk-gradient(radial,
1312                                  center bottom, 0,
1313                                  center bottom, 0.5,
1314                                  to($track_color),
1315                                  to(transparent))
1316                                  0 0 1 / 0 0 1px;
1317
1318    }
1319  }
1320
1321  button.combo:not(:only-child) {
1322  }
1323  button.combo:only-child {
1324  }
1325}
1326
1327.linked > combobox > box > button.combo {
1328  // the combo is a composite widget so the way we do button linking doesn't
1329  // work, special case needed. See
1330  // https://bugzilla.gnome.org/show_bug.cgi?id=733979
1331  &:dir(ltr),
1332  &:dir(rtl) { @extend %linked_middle; } // specificity bump
1333}
1334
1335.linked > combobox:first-child > button.combo {
1336  @extend %linked:first-child;
1337}
1338.linked > combobox:last-child > button.combo {
1339  @extend %linked:last-child;
1340}
1341.linked > combobox:only-child > button.combo {
1342  @extend %linked:only-child;
1343}
1344
1345.linked.vertical > combobox > button.combo {
1346  @extend %linked_vertical_middle;
1347}
1348.linked.vertical > combobox:first-child > button.combo {
1349  @extend %linked_vertical:first-child;
1350}
1351.linked.vertical > combobox:last-child > button.combo {
1352  @extend %linked_vertical:last-child;
1353}
1354.linked.vertical > combobox:only-child > button.combo {
1355  @extend %linked_vertical:only-child;
1356}
1357
1358
1359/************
1360 * Toolbars *
1361 ************/
1362
1363toolbar {
1364  -GtkWidget-window-dragging: true;
1365
1366  padding: rem(5.3px);
1367  background-color: $bg_color;
1368  color: $secondary_fg_color;
1369  box-shadow: if($variant == 'light', $toolbar-shadow-light,
1370                                      $toolbar-shadow-dark);
1371
1372  &.vertical,
1373  .inline-toolbar &,
1374  paned &,
1375  paned &.primary-toolbar,
1376  grid &.primary-toolbar { // stop drawing fake-shadows
1377    box-shadow: none;
1378  }
1379
1380  // on OSD
1381  .osd & { background-color: transparent; }
1382
1383  .osd &,
1384  &.osd {
1385    padding: 3px;
1386    border-style: solid;
1387    border-width: 9px;
1388    border-radius: 2px;
1389    border-image: -gtk-scaled(url("assets/osd-shadow#{$asset_suffix}.png"),
1390                              url("assets/osd-shadow#{$asset_suffix}@2.png"))
1391                  10 / 10px stretch;
1392    box-shadow: none;
1393    color: $inverted_fg_color;
1394    background-color: $inverted_dark_color;
1395    &:backdrop {
1396      border-image: -gtk-scaled(url("assets/osd-shadow-backdrop#{$asset_suffix}.png"),
1397                                url("assets/osd-shadow-backdrop#{$asset_suffix}@2.png"))
1398                    10 / 10px stretch;
1399    }
1400
1401    button {
1402      @include button(flat-normal);
1403      &:not(:active):not(:disabled):not(hover) {
1404        color: $secondary_accent_color;
1405      }
1406      &:hover {
1407        @include button(flat-hover);
1408        color: $accent_color;
1409      }
1410      &:active {
1411        @include button(flat-active);
1412        border-image: none;
1413        color: $accent_color;
1414        box-shadow: none;
1415      }
1416      &:checked {
1417        @include button(flat-checked);
1418        border-image: none;
1419        color: $accent_color;
1420        box-shadow: none;
1421      }
1422      &:disabled {
1423        @include button(flat-insensitive);
1424        color: gtkopacity($accent_color, 0.4);
1425      }
1426    }
1427
1428    .linked > button {
1429      &, &.image-button {
1430        border-image: none;
1431        box-shadow: none;
1432        &:hover { background-color: transparent; }
1433        &:not(:checked) {
1434          border-radius: 100px;
1435          -gtk-outline-radius: 100px;
1436        }
1437      }
1438
1439      &.image-button {
1440        min-width: rem(13.3px);
1441        min-height: rem(29.3px);
1442        padding: 0 rem(6.7px) 0;
1443        border-radius: 100px;
1444        -gtk-outline-radius: 100px;
1445      }
1446    }
1447
1448    label { padding: 0 1em; }
1449  }
1450
1451  button { // use flat-buttons
1452    @include button(flat-normal);
1453    background-size: $text_button_small;
1454    border-image: -gtk-gradient(radial,
1455                                center bottom, 0,
1456                                center bottom, 0.001,
1457                                to($track_color),
1458                                to(transparent))
1459                                0 0 0 / 0 0 0px;
1460    color: $secondary_fg_color;
1461    box-shadow: none;
1462    &:hover {
1463      @include button(flat-hover);
1464      border-image: none;
1465      color: $fg_color;
1466      box-shadow: none;
1467    }
1468    &:checked {
1469      @include button(flat-checked);
1470      border-image: -gtk-gradient(radial,
1471                                  center bottom, 0,
1472                                  center bottom, 0.5,
1473                                  to($selected_bg_color),
1474                                  to(transparent))
1475                                  0 0 2 / 0 0 2px;
1476      background-color: transparent;
1477      color: $fg_color;
1478      box-shadow: none;
1479      &:disabled {
1480        @include button(flat-checked-insensitive);
1481        border-image: none;
1482        background-color: transparent;
1483        color: $insensitive_fg_color;
1484        box-shadow: none;
1485        > label { color: inherit; }
1486      }
1487    }
1488    &:disabled {
1489      @include button(flat-insensitive);
1490      border-image: none;
1491      background-color: transparent;
1492      color: $insensitive_secondary_fg_color;
1493      box-shadow: none;
1494    }
1495
1496    button,
1497    button.flat { // set specific roundness
1498      &,
1499      &.text-button,
1500      &.text-button.image-button {
1501        border-radius: 2px;
1502	-gtk-outline-radius: 2px;
1503      }
1504      &.image-button {
1505        border-radius: 100px;
1506	-gtk-outline-radius: 100px;
1507      }
1508    }
1509
1510    .text-button,
1511    .image-button.text-button {
1512      min-width: rem(13.3px);
1513      min-height: rem(29.3px);
1514      padding: 0 rem(13.3px) 0;
1515      background-size: $text_button_small;
1516    }
1517
1518    .image-button {
1519      min-width: rem(13.3px);
1520      min-height: rem(29.3px);
1521      padding: 0 rem(6.7px) 0;
1522      background-size: $image_button_large;
1523    }
1524
1525    &.toggle { // remove double-background
1526      &:hover,
1527      &:active,
1528      &:checked {
1529        background-color: transparent;
1530        box-shadow: none;
1531      }
1532    }
1533  }
1534
1535  .linked > button { // remove double-background and underlines
1536    &, &.image-button {
1537      border-image: none;
1538      box-shadow: none;
1539      &:hover,
1540      &:active {
1541        border-image: none;
1542        background-color: transparent;
1543        box-shadow: none;
1544      }
1545      &:not(:disabled) { // revive roundness
1546        border-radius: 100px;
1547        -gtk-outline-radius: 100px;
1548      }
1549    }
1550
1551    .image-button {
1552      min-width: rem(13.3px);
1553      min-height: rem(29.3px);
1554      padding: 0 rem(6.7px) 0;
1555      border-radius: 100px;
1556      -gtk-outline-radius: 100px;
1557    }
1558  }
1559  .linked > button.text-button:not(.image-button) { // revive underlines
1560    @extend %button_array;
1561  }
1562
1563  // toolbar separators
1564  separator {
1565    color: transparent;
1566    background: none;
1567  }
1568  &.horizontal {
1569    & separator { margin: 0 rem(6px); }
1570  }
1571  &.vertical {
1572    & separator { margin: rem(6px) 0; }
1573  }
1574}
1575
1576// searchbar, location-bar & inline-toolbar
1577.inline-toolbar {
1578  padding: rem(5.3px);
1579  border-style: solid;
1580  border-width: 0 1px 1px;
1581  border-color: $borders_color;
1582  background-color: $secondary_dark_color;
1583  box-shadow: if($variant == 'light', $inline-shadow-light,
1584                                      $inline-shadow-dark);
1585}
1586
1587searchbar,
1588.location-bar {
1589  padding: rem(5.3px);
1590  border-style: solid;
1591  border-width: 0 0 1px;
1592  border-color: $borders_color;
1593  background-color: $secondary_dark_color;
1594
1595  .linked > button.image-button {
1596    padding-top: rem(9.3px);
1597    padding-bottom: rem(10.7px);
1598  }
1599
1600  button.flat.close.raised {
1601    min-width: rem(13.3px);
1602    min-height: rem(13.3px);
1603    padding: rem(10px);
1604    border-radius: 100px;
1605    -gtk-outline-radius: 100px;
1606  }
1607}
1608
1609
1610/***************
1611 * Header bars *
1612 ***************/
1613
1614.titlebar,
1615headerbar {
1616  @extend %fade_effect;
1617  background-color: $inverted_dark_color;
1618  background-clip: border-box;
1619
1620  // text colours
1621  color: $inverted_secondary_fg_color;
1622  label,
1623  image {
1624    // &:hover { color: $inverted_fg_color; }
1625    // &:focus,
1626    // &:active,
1627    &:checked {
1628    // color: $inverted_fg_color;
1629      &:disabled { color: $insensitive_inverted_fg_color; }
1630    }
1631    button:disabled > &,
1632    .linked > button:disabled > &,
1633    &:disabled { color: $insensitive_inverted_secondary_fg_color; }
1634  }
1635
1636  // titles
1637  .title {
1638    padding-left: rem(13.3px);
1639    padding-right: rem(13.3px);
1640    color: $inverted_fg_color;
1641    font-weight: 700;
1642    &:backdrop { @extend .dim-label; }
1643  }
1644
1645  .subtitle {
1646    @extend .dim-label;
1647    padding-left: rem(13.3px);
1648    padding-right: rem(13.3px);
1649    color: $inverted_secondary_fg_color;
1650    font-size: 90%;
1651    &:backdrop { @extend .dim-label; }
1652  }
1653
1654  // separator
1655  & separator.vertical,
1656  & > box > separator.vertical,
1657  & > box > box > separator.vertical {
1658    border: 0 none transparent;
1659    color: transparent;
1660    background-color: transparent;
1661  }
1662
1663  // button styling
1664  button:not(.suggested-action):not(.destructive-action) {
1665    @extend button.flat;
1666    border-image: -gtk-gradient(radial,
1667                                center bottom, 0,
1668                                center bottom, 0.001,
1669                                to($selected_bg_color),
1670                                to(transparent))
1671                                0 0 0 / 0 0 0px;
1672    color: $inverted_secondary_fg_color;
1673    background-size: $text_button_small;
1674    &:hover { color: $inverted_fg_color; }
1675    &:checked {
1676      border-image: -gtk-gradient(radial,
1677                                  center bottom, 0,
1678                                  center bottom, 0.5,
1679                                  to($selected_bg_color),
1680                                  to(transparent))
1681                                  0 0 2 / 0 0 2px;
1682      // box-shadow: inset 0 -2px $selected_bg_color;
1683      background-color: transparent;
1684      color: $inverted_fg_color;
1685      // transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1),
1686      //             box-shadow 0 cubic-bezier(0.4, 0, 0.2, 1) 0.2s,
1687      //             color 0;
1688      // &:active { transition: none; }
1689      &:disabled {
1690        background-color: transparent;
1691        color: $insensitive_inverted_fg_color;
1692        > label { color: inherit; }
1693      }
1694    }
1695  }
1696
1697  // force to draw circle flat buttons as default
1698  button:not(.suggested-action):not(.destructive-action) {
1699    border-radius: 100px;
1700    -gtk-outline-radius: 100px;
1701    &.text-button {
1702      border-radius: 2px;
1703      -gtk-outline-radius: 2px;
1704      &.image-button {
1705        border-radius: 2px;
1706        -gtk-outline-radius: 2px;
1707        background-size: $text_button_small;
1708      }
1709    }
1710  }
1711
1712  // adjust spacing for finer aspect-ratio
1713  .linked > button {
1714    &.image-button {
1715      min-width: rem(17.3px);
1716      min-height: rem(37.3px);
1717      padding: 0 rem(6.7px) 0;
1718    }
1719  }
1720  button.toggle {
1721    min-width: rem(17.3px);
1722    min-height: rem(37.3px);
1723    padding: 0 rem(10px) 0;
1724
1725    label { padding: rem(9.3px) rem(8px) rem(10.7px); }
1726    menu menuitem { // reset padding
1727      label { padding: 0; }
1728    }
1729  }
1730
1731  button,
1732  .linked > button,
1733  button.suggested-action,
1734  button.destructive-action {
1735    &, & label.text-button {
1736      color: $inverted_secondary_fg_color;
1737      &:hover { color: $inverted_fg_color; }
1738      &:checked {
1739        color: $inverted_fg_color;
1740        &:disabled { color: $insensitive_inverted_fg_color; }
1741      }
1742      &:disabled { color: $insensitive_inverted_secondary_fg_color; }
1743    }
1744    label.text-button { // workaround stupid Gnome-Software
1745      border-image: none;
1746      box-shadow: none;
1747    }
1748  }
1749
1750  // entry styling
1751  entry,
1752  .linked > entry {
1753    color: $inverted_secondary_fg_color;
1754    caret-color: $inverted_secondary_fg_color;
1755    &:focus {
1756      color: $inverted_fg_color;
1757      caret-color: $inverted_fg_color;
1758    }
1759    &:disabled { color: $insensitive_inverted_secondary_fg_color; }
1760  }
1761
1762  // combobox styling
1763  combobox,
1764  .linked > combobox {
1765    & > entry.combo {
1766      color: $inverted_secondary_fg_color;
1767      caret-color: $inverted_secondary_fg_color;
1768      &:focus {
1769        color: $inverted_fg_color;
1770        caret-color: $inverted_fg_color;
1771      }
1772      &:disabled { color: $insensitive_inverted_secondary_fg_color; }
1773      &:backdrop { opacity: 0.5; }
1774    }
1775    & > button.combo {
1776      color: $inverted_secondary_fg_color;
1777      &:hover { color: $inverted_fg_color; }
1778      &:checked {
1779        color: $inverted_fg_color;
1780        &:disabled { color: $insensitive_inverted_fg_color; }
1781      }
1782      &:disabled { color: $insensitive_inverted_secondary_fg_color; }
1783      &:backdrop { opacity: 0.5; }
1784    }
1785  }
1786
1787  // menu styling
1788  menu menuitem { // reset text colour
1789    color: $secondary_fg_color;
1790    &:hover { color: $fg_color; }
1791    label {
1792      &:disabled { color: $insensitive_fg_color; }
1793    }
1794    & accelerator { color: gtkalpha(currentColor, 0.55); }
1795    & separator { color: $borders_color; }
1796  }
1797
1798  // pop-over styling
1799  popover button.flat {
1800    color: $secondary_fg_color;
1801    &:hover { color: $fg_color; }
1802    label {
1803      &:hover { color: $fg_color; }
1804      &:disabled { color: $insensitive_fg_color; }
1805    }
1806  }
1807
1808  // switch styling
1809  switch {
1810    margin: rem(2.7px) 0;
1811    color: $inverted_secondary_fg_color;
1812    background-color: gtkopacity($inverted_secondary_fg_color, 0.1);
1813    &:checked {
1814      background-color: gtkopacity($selected_bg_color, 0.2);
1815      &:disabled { background-color: gtkopacity($selected_bg_color, 0.2); }
1816    }
1817    &:disabled {
1818      color: $insensitive_inverted_fg_color;
1819      background-color: $track_color;
1820    }
1821
1822    slider { background-color: $inverted_bg_color; }
1823    &:hover slider {
1824      background-image: linear-gradient(to bottom,
1825                                        gtkalpha($selected_fg_color, 0.2));
1826    }
1827    &:checked slider {
1828      background-color: $selected_bg_color;
1829      &:disabled { background-color: #3F4E56; }
1830    }
1831    &:disabled slider { background-color: #3F4E56; }
1832  }
1833
1834  // spinner spacing
1835  spinner {
1836    min-width: rem(13.3px);
1837    min-height: rem(13.3px);
1838    margin: rem(-5.3px);
1839  }
1840
1841  // selection-mode styling
1842  &.selection-mode {
1843    border-width: 1px 0 1px 0; // remove side borders
1844    border-top-color: $highlight_color;
1845    border-bottom-color: transparent;
1846    background-color: $selected_bg_color;
1847    color: $selected_fg_color;
1848
1849    .subtitle:link { @extend *:link:selected;  }
1850
1851    button,
1852    button.image-button {
1853      border-image: -gtk-gradient(radial,
1854                                  center bottom, 0,
1855                                  center bottom, 0.001,
1856                                  to($selected_fg_color),
1857                                  to(transparent))
1858                                  0 0 0 / 0 0 0px;
1859      color: $secondary_selected_fg_color;
1860      &:hover,
1861      &:active,
1862      &:checked { color: $selected_fg_color; }
1863      &:disabled { color: $insensitive_inverted_secondary_fg_color; }
1864      &:checked {
1865        border-image: -gtk-gradient(radial,
1866                                    center bottom, 0,
1867                                    center bottom, 0.5,
1868                                    to($selected_fg_color),
1869                                    to(transparent))
1870                                    0 0 2 / 0 0 2px;
1871        color: $selected_fg_color;
1872        background-color: transparent;
1873        &:disabled {
1874          color: $insensitive_selected_fg_color;
1875          > label { color: inherit; }
1876        }
1877      }
1878      &.suggested-action {
1879        // NOTE: do not use @extend button;
1880        @include button(normal);
1881        &:hover { @include button(hover); }
1882        &:active { @include button(active); }
1883        &:disabled { @include button(insensitive); }
1884      }
1885
1886      // text-button foreground colors
1887      &.text-button,
1888      &.suggested-action {
1889        color: $secondary_selected_fg_color;
1890        &:hover,
1891        &:active,
1892        &:checked { color: $selected_fg_color; }
1893        &:disabled { color: $insensitive_selected_fg_color; }
1894      }
1895    }
1896
1897    button:not(.suggested-action):not(.destructive-action) {
1898      border-radius: 100px;
1899      -gtk-outline-radius: 100px;
1900      &.text-button,
1901      &.flat.selection-menu {
1902        border-radius: 2px;
1903        -gtk-outline-radius: 2px;
1904        &.image-button {
1905          border-radius: 100px;
1906          -gtk-outline-radius: 100px;
1907        }
1908      }
1909    }
1910
1911    entry {
1912      color: $inverted_secondary_fg_color;
1913      &:focus { color: $inverted_fg_color; }
1914      &:disabled { color: $insensitive_inverted_secondary_fg_color; }
1915    }
1916
1917    .selection-menu {
1918      padding-left: rem(16px);
1919      padding-right: rem(16px);
1920      &, &.popup {
1921        color: $secondary_selected_fg_color;
1922        &:hover,
1923        &:active,
1924        &:checked { color: $selected_fg_color; }
1925        &:disabled { color: $insensitive_inverted_secondary_fg_color; }
1926        &:checked {
1927          border-image: -gtk-gradient(radial,
1928                                      center bottom, 0,
1929                                      center bottom, 0.5,
1930                                      to($selected_fg_color),
1931                                      to(transparent))
1932                                      0 0 2 / 0 0 2px;
1933          background-color: transparent;
1934          &:disabled {
1935            color: $insensitive_selected_fg_color;
1936            > label { color: inherit; }
1937          }
1938        }
1939      }
1940
1941      GtkArrow { -GtkArrow-arrow-scaling: 1.0; }
1942
1943      .arrow {
1944        -gtk-icon-source: -gtk-icontheme('pan-down-symbolic');
1945        color: $secondary_selected_fg_color;
1946      }
1947    }
1948  }
1949
1950  // misc
1951  .tiled & {
1952    @extend %tiled_integration;
1953    transition: none;
1954  }
1955  .maximized & {
1956    @extend %maxd_integration;
1957    transition: none;
1958  }
1959
1960  &.default-decoration {
1961    min-height: 26.7px;
1962    padding: 5.3px;
1963    border-width: 0;
1964
1965    .title { // fade_effect doesn't work
1966      color: $inverted_fg_color;
1967      &:backdrop { color: gtkopacity($inverted_fg_color, 0.4); }
1968    }
1969
1970    button.titlebutton {
1971      min-width: 26.7px;
1972      min-height: 26.7px;
1973      margin: 0;
1974      padding: 0;
1975      color: $inverted_secondary_fg_color;
1976      background-size: $image_button_small;
1977      &:hover,
1978      &:active { color: $inverted_fg_color; }
1979      &:backdrop { color: gtkopacity($inverted_fg_color, 0.4); }
1980    }
1981  }
1982}
1983
1984headerbar {
1985  // draw borders
1986  border-width: 1px 0 1px;
1987  border-style: solid;
1988  // do not use transparentize
1989  border-top-color: $top_edge_border_color;
1990  border-bottom-color: $solid_dark_borders_color;
1991
1992  // To avoid double-padding, set it only for titlebar in case it
1993  // is placed on the header-bar.
1994  &.titlebar,
1995  .csd &,
1996  box &:only-child {
1997    padding: rem(5.3px);
1998    // draw hilight and shadows
1999    box-shadow: if($variant == 'light', $header-shadow-light,
2000                                        $header-shadow-dark);
2001
2002    .tiled &  { @extend %tiled_integration; }
2003    .maximized & { @extend %maxd_integration; }
2004  }
2005
2006  // override unwanted side-borders
2007  box &:not(:only-child):first-child,
2008  box &:not(:only-child):last-child {
2009    border-left-color: $inverted_dark_color;
2010    border-right-color: $inverted_dark_color;
2011
2012    .tiled &,
2013    .maximized & {
2014      border-left-color: $panel_bg_color;
2015      border-right-color: $panel_bg_color;
2016    }
2017  }
2018
2019  box & { // Remove unneeded side shadows with dirty hacks
2020    &:not(:only-child):last-child {
2021      &:dir(ltr) {
2022        box-shadow: if($variant == 'light', $sub-header-shadow-light-ltr,
2023                                            $sub-header-shadow-dark-ltr);
2024
2025        .tiled &  { @extend %tiled_integration; }
2026        .maximized & { @extend %maxd_integration; }
2027      }
2028      &:dir(rtl) {
2029        box-shadow: if($variant == 'light', $sub-header-shadow-light-rtl,
2030                                            $sub-header-shadow-dark-rtl);
2031
2032        .tiled &  { @extend %tiled_integration; }
2033        .maximized & { @extend %maxd_integration; }
2034      }
2035    }
2036  }
2037
2038  // paned-separator is actually drawn by paned itself
2039  paned &:not(:only-child):last-child {
2040    &:dir(ltr) {
2041      // border-left: 1px solid $solid_dark_borders_color;
2042
2043      .tiled &  { @extend %tiled_integration; }
2044      .maximized & { @extend %maxd_integration; }
2045    }
2046    &:dir(rtl) {
2047      // border-right: 1px solid $solid_dark_borders_color;
2048
2049      .tiled &  { @extend %tiled_integration; }
2050      .maximized & { @extend %maxd_integration; }
2051    }
2052  }
2053}
2054
2055headerbar.selection-mode { // selection-mode specific
2056  box & { // Remove unneeded side shadows with dirty hacks
2057    &:not(:only-child):last-child {
2058      &:dir(ltr) {
2059        box-shadow: if($variant == 'light', $selected-header-shadow-light-ltr,
2060                                            $selected-header-shadow-dark-ltr);
2061
2062        .tiled &  { @extend %tiled_integration; }
2063        .maximized & { @extend %maxd_integration; }
2064      }
2065      &:dir(rtl) {
2066        box-shadow: if($variant == 'light', $selected-header-shadow-light-rtl,
2067                                            $selected-header-shadow-dark-rtl);
2068
2069        .tiled &  { @extend %tiled_integration; }
2070        .maximized & { @extend %maxd_integration; }
2071      }
2072    }
2073  }
2074}
2075
2076headerbar,
2077.titlebar { // set rounded corners
2078  border-top-left-radius: 2px;
2079  border-top-right-radius: 2px;
2080
2081  box &:not(:last-child):not(.titlebar) {
2082    &:dir(ltr) {
2083      border-top-left-radius: 2px;
2084      border-top-right-radius: 0;
2085    }
2086    &:dir(rtl) {
2087      border-top-left-radius: 0;
2088      border-top-right-radius: 2px;
2089    }
2090  }
2091
2092  box &:last-child:not(.titlebar) {
2093    &:dir(ltr) { border-top-left-radius: 0; }
2094    &:dir(rtl) { border-top-right-radius: 0; }
2095  }
2096}
2097
2098// force using rounded corners in case of paned titlebars
2099window:not(.maximized):not(.tiled) {
2100  paned.titlebar {
2101    border-top-left-radius: 2px;
2102    border-top-right-radius: 2px;
2103
2104    > headerbar:not(:last-child) {
2105      &:dir(ltr) {
2106        border-top-left-radius: 2px;
2107        border-top-right-radius: 0;
2108      }
2109      &:dir(rtl) {
2110        border-top-left-radius: 0;
2111        border-top-right-radius: 2px;
2112      }
2113    }
2114    > headerbar:last-child {
2115      &:dir(ltr) {
2116        border-top-left-radius: 0;
2117        border-top-right-radius: 2px;
2118      }
2119      &:dir(rtl) {
2120        border-top-left-radius: 2px;
2121        border-top-right-radius: 0;
2122      }
2123    }
2124  }
2125}
2126
2127// revive top-edge highlight border for SSDs
2128.ssd decoration {
2129  .titlebar {
2130    border-top: 1px solid $highlight_color;
2131    box-shadow: none;
2132  }
2133}
2134
2135// squared corners when the window is max'd or tiled
2136%tiled_integration {
2137  border-radius: 0;
2138  border-color: $panel_bg_color;
2139  border-width: 2px 0 0 0;
2140  border-top-color: $secondary_selected_bg_color;
2141  background-color: $panel_bg_color;
2142  box-shadow: none;
2143  &:backdrop { border-top-color: $track_color; }
2144}
2145
2146%maxd_integration {
2147  border-radius: 0;
2148  border-color: $panel_bg_color;
2149  border-width: 1px 0 0 0;
2150  background-color: $panel_bg_color;
2151  box-shadow: none;
2152}
2153
2154
2155/************
2156 * Pathbars *
2157 ************/
2158
2159.linked.path-bar,
2160.path-bar {
2161  button {
2162    &, &.text-button {
2163      padding: 0 rem(1.3px) 0;
2164      -gtk-outline-radius: 2px;
2165    }
2166    &.image-button { padding: 0 rem(5.3px) 0; }
2167
2168    &.text-button.image-button {
2169      -gtk-outline-radius: 2px;
2170      label {
2171        padding-left: 0;
2172        padding-right: 0;
2173      }
2174    }
2175
2176    &.text-button.image-button {
2177      label { // FIXME: is it still needed?
2178        &:last-child { padding-right: rem(5.3px); }
2179        &:first-child { padding-left: rem(5.3px); }
2180      }
2181    }
2182
2183    image { padding: rem(1.3px) rem(5.3px) 0; }
2184
2185    &.slider-button, // workaround for Nautilus 3.20.0
2186    &.image-button.text-button.toggle {
2187      min-height: rem(17.3px);
2188      padding: 0 rem(1.3px) 0;
2189      -gtk-outline-radius: 2px;
2190    }
2191  }
2192}
2193
2194
2195/**************
2196 * Tree Views *
2197 **************/
2198
2199treeview.view {
2200  @at-root * {
2201    -GtkTreeView-horizontal-separator: 4;
2202    -GtkTreeView-grid-line-width: 1;
2203    -GtkTreeView-grid-line-pattern: '';
2204    -GtkTreeView-tree-line-width: 1;
2205    -GtkTreeView-tree-line-pattern: '';
2206    -GtkTreeView-expander-size: 16;
2207  }
2208
2209  border-left-color: $track_color;   // this is actually the tree lines color,
2210  border-top-color: $borders_color;  // while this is the grid lines color,
2211                                     // better then nothing
2212
2213  & rubberband { @extend rubberband; } // to avoid borders being overridden
2214                                       // by the previously set props
2215
2216  border-radius: 0; // rest border radius in lists
2217
2218  &:hover,
2219  &:active { border-radius: 0; }
2220  &:selected {
2221    border-radius: 0;
2222    @extend %selected_items;
2223  }
2224
2225  // override foreground colours
2226  &, & entry,
2227  & entry > label {
2228    color: $secondary_fg_color;
2229    &:hover,
2230    &:active,
2231    &:focus { color: $fg_color; }
2232    &:selected { color: $selected_fg_color; }
2233    &:disabled {
2234      color: $insensitive_fg_color;
2235      &:selected { color: $insensitive_selected_fg_color; }
2236    }
2237  }
2238
2239  .separator {
2240    &, &:hover {
2241      color: transparent;
2242      background-color: $borders_color;
2243    }
2244  }
2245
2246  // clear backgrounds
2247  background-color: transparent;
2248  background-image: none;
2249  box-shadow: none;
2250
2251  &.dnd {
2252    border-style: solid none;
2253    border-width: 1px;
2254    border-color: mix($fg_color, $selected_bg_color, 50%);
2255  }
2256
2257  expander {
2258    arrow {
2259      -gtk-icon-source: -gtk-icontheme('pan-end-symbolic');
2260      &:dir(rtl) { -gtk-icon-source: -gtk-icontheme('pan-end-symbolic-rtl'); }
2261      &:checked { -gtk-icon-source: -gtk-icontheme('pan-down-symbolic'); }
2262      &:selected {
2263        color: gtkopacity($selected_fg_color, 0.75);
2264        &:hover,
2265        &:active { color: $selected_fg_color; }
2266      }
2267    }
2268  }
2269
2270  &.progressbar { // progressbar bit in treeviews
2271    box-shadow: inset 0 -4px $accent_color;
2272    &:selected { box-shadow: inset 0 -4px $selected_fg_color; }
2273  }
2274
2275  &.trough { // progressbar trough in treeviews
2276    box-shadow: inset 0 -4px gtkalpha($accent_color, 0.2);
2277    &:selected { box-shadow: inset 0 -4px gtkalpha($selected_fg_color, 0.2); }
2278  }
2279
2280  &, paned & { // redraw some stuff for RhythmBox
2281    background-color: $base_color;
2282    &:hover,
2283    row:hover { color: $fg_color; }
2284    &:selected,
2285    row:selected { @extend %selected_items; }
2286  }
2287
2288  header {
2289    button {
2290      @extend row.activatable;
2291      min-height: rem(20px);
2292      padding: 0 rem(6.7px) 0;
2293      border-style: none solid solid none;
2294      border-width: 1px;
2295      border-color: $borders_color;
2296      border-radius: 0;
2297      box-shadow: none;
2298      background-color: $base_color;
2299      // font-weight: 700;
2300      color: $tertiary_fg_color;
2301    }
2302    &:hover,
2303    &:active {
2304      color: $fg_color;
2305      box-shadow: none;
2306    }
2307    &:disabled { background-color: $base_color; }
2308    &.dnd { @extend column-header.button.dnd; }
2309  }
2310  & button:last-child,
2311  &:last-child button { // treeview-like derived widgets in Banshee
2312                        // and Evolution
2313    border-right-style: none;
2314  }
2315
2316  &.separator {
2317    min-height: rem(2px);
2318    color: transparent;
2319    background-color: $borders_color;
2320  }
2321
2322  // see tests/testaccel to test
2323  acceleditor > label { background-color: $selected_bg_color; }
2324}
2325
2326column-header.button.dnd { // for treeview-like derive widgets
2327  transition: none;
2328  border-left-style: solid;
2329  color: $selected_bg_color;
2330}
2331
2332
2333/*********
2334 * Menus *
2335 *********/
2336
2337.menubar,
2338menubar {
2339  -GtkWidget-window-dragging: true;
2340  padding: 0;
2341  box-shadow: $menubar-shadow;
2342  background-color: $inverted_dark_color;
2343  color: $inverted_secondary_fg_color; // FIXME: Gtk+3 firefox needs this!
2344
2345  .tiled &,
2346  .maximized & {
2347    background-color: $panel_bg_color;
2348    box-shadow: none;
2349    transition: none;
2350  }
2351
2352  > menuitem {
2353    min-height: rem(20px);
2354    padding: rem(5.3px) rem(8px) rem(6.7px);
2355    color: $inverted_secondary_fg_color;
2356    background-color: transparent;
2357    &:hover { // Seems like it :hover even with keyboard focus
2358      color: $inverted_fg_color;
2359      box-shadow: inset 0 -2px $selected_bg_color;
2360    }
2361    &:disabled {
2362      color: $insensitive_inverted_fg_color;
2363      box-shadow: none;
2364    }
2365  }
2366}
2367
2368.menu,
2369.context-menu,
2370menu {
2371  margin: rem(4px) 0;
2372  padding: rem(4px) 0;
2373  border-width: 1px; // adds borders in a non composited env
2374  border-style: solid;
2375  border-color: $base_color transparent transparent;
2376  background-color: $secondary_base_color;
2377
2378  .csd & { // axes borders in a composited env
2379    border-width: 1px;
2380    border-radius: 2px;
2381    border-color: $base_color transparent transparent;
2382  }
2383
2384  .menuitem,
2385  menuitem {
2386    min-height: rem(20px);
2387    min-width: rem(40px);
2388    padding: rem(5.3px) rem(8px) rem(6.7px);
2389    color: $secondary_fg_color;
2390    font: initial;
2391    text-shadow: none;
2392    transition: none;
2393    &:hover {
2394      color: $fg_color;
2395      background-color: gtkalpha(currentColor, 0.1);
2396      transition: none;
2397    }
2398    &:disabled { color: $insensitive_fg_color; }
2399
2400    // submenu indicators
2401    arrow {
2402      min-height: rem(16px);
2403      min-width: rem(16px);
2404
2405      &:dir(ltr) {
2406        -gtk-icon-source: -gtk-icontheme('pan-end-symbolic');
2407        margin-left: rem(10.7px);
2408      }
2409      &:dir(rtl) {
2410        -gtk-icon-source: -gtk-icontheme('pan-end-symbolic-rtl');
2411        margin-right: rem(10.7px);
2412      }
2413    }
2414
2415    // avoids labels color being overridden, see
2416    // https://bugzilla.gnome.org/show_bug.cgi?id=767058
2417    label {
2418      &:dir(rtl),
2419      &:dir(ltr) { color: inherit; }
2420    }
2421  }
2422
2423  > arrow { // overflow buttons
2424    @extend button.flat;
2425    min-height: rem(16px);
2426    min-width: rem(16px);
2427    padding: rem(4px);
2428    border-style: none;
2429    border-radius: 0;
2430    background-color: $secondary_base_color;
2431    &.top {
2432      margin-top: rem(-5.3px);
2433      -gtk-icon-source: -gtk-icontheme('pan-up-symbolic');
2434      border-bottom: 1px solid $borders_color;
2435    }
2436    &.bottom {
2437      margin-bottom: rem(-5.3px);
2438      -gtk-icon-source: -gtk-icontheme('pan-down-symbolic');
2439      border-top: 1px solid $borders_color;
2440    }
2441    &:hover { background-color: $secondary_dark_color; }
2442    &:disabled {
2443      color: transparent;
2444      background-color: transparent;
2445      border-color: transparent ;
2446    }
2447  }
2448
2449  > separator {
2450    &:dir(ltr) { margin-left: rem(32px); }
2451    &:dir(rtl) { margin-right: rem(32px); }
2452  }
2453}
2454
2455menuitem {
2456  accelerator { color: gtkalpha(currentColor, 0.55); }
2457
2458  separator {
2459    color: transparent;
2460    background: none;
2461    border-top: 1px solid $borders_color;
2462    &:dir(ltr) { margin-left: rem(32px); }
2463    &:dir(rtl) { margin-right: rem(32px); }
2464  }
2465}
2466
2467.csd.popup { border-radius: 2px; }
2468
2469
2470/************
2471 * Popovers *
2472 ************/
2473
2474popover.background {
2475  padding: 2px;
2476  background-color: $secondary_base_color;
2477  box-shadow:  $z-depth-3;
2478
2479  .csd &,
2480  & {
2481    border: 1px solid;
2482    border-color: $base_color $secondary_base_color $secondary_base_color;
2483    border-radius: 2px;
2484  }
2485
2486  &:backdrop { box-shadow: $z-depth-1; }
2487
2488  > list,
2489  > .view,
2490  > toolbar,
2491  &.osd > toolbar {
2492    border-style: none;
2493    border-image: none;
2494    background-color: transparent;
2495  }
2496
2497  button menuitem.flat,
2498  button.flat {
2499    transition: none;
2500    padding: 0 rem(10px) 0;
2501    background-color: transparent;
2502    background-size: $text_button_small;
2503    color: $secondary_fg_color;
2504    font: initial;
2505    &:hover {
2506      background-color: transparent; // remove double-bg
2507      color: $fg_color;
2508    }
2509
2510    // FIXME: label padding is ugly
2511    // vertical padding of GtkMenuItem * 0.5
2512    label { padding: rem(2.7px) 0 rem(3.3px); }
2513  }
2514
2515  button.image-button { padding: rem(6.7px); }
2516
2517  button.model.image-button { min-height: rem(26.7px); }
2518
2519  .linked > button {
2520    @include button(flat-normal);
2521    @extend %button_array;
2522    color: $secondary_fg_color;
2523    &:hover {
2524      @include button(flat-hover);
2525      color: $fg_color;
2526    }
2527    &:active {
2528      @include button(flat-active);
2529      color: $fg_color;
2530    }
2531    &:checked {
2532      @include button(flat-checked);
2533      color: $fg_color;
2534      background-color: transparent;
2535    }
2536    &:checked:disabled { @include button(flat-checked-insensitive); }
2537    &:disabled { @include button(flat-insensitive); }
2538  }
2539
2540  .csd &,
2541  & {
2542    &.touch-selection,
2543    &.magnifier {
2544      @extend %osd;
2545      button { @include button(flat-normal); }
2546    }
2547  }
2548
2549  &.osd { @extend %osd; }
2550
2551  separator { margin: rem(3px) 0; }
2552}
2553
2554
2555/*************
2556 * Notebooks *
2557 *************/
2558
2559notebook {
2560  padding: 0;
2561
2562  &.frame {
2563    border: 1px solid $solid_light_borders_color;
2564    transition: none;
2565
2566    // remove madness borders around header
2567    > header {
2568      &, &.frame { border-style: none; }
2569      @each $_header, $_margin in (top, -1px -1px 0 -1px),
2570                                  (bottom, 0 -1px -1px -1px),
2571                                  (left, -1px 0 -1px -1px),
2572                                  (right, -1px -1px -1px 0) {
2573        &.#{$_header} { margin: #{$_margin}; }
2574      }
2575    }
2576  }
2577
2578  > stack {
2579    transition: none;
2580    &:only-child {
2581      border: none;
2582      background-color: transparent;
2583      box-shadow: none;
2584    }
2585
2586    // the :not(:only-child) is for "hidden" notebooks
2587    &:not(:only-child),
2588    &:not(:first-child),
2589    &:not(:last-child) {
2590      border: none;
2591      background-color: $base_color;
2592      box-shadow: inset 0 0 0 1px $base_color;
2593    }
2594  }
2595
2596  > header {
2597    $tab_indicator_size: 2px;
2598    // vertical tab sizing
2599    $vt_vpadding: rem(5.3px);
2600    $vt_hpadding: rem(16px);
2601    // horizontal tab sizing
2602    $ht_vpadding: rem(5.3px);
2603    $ht_hpadding: rem(10px);
2604
2605    background-color: $bg_color;
2606    tabs { background-color: transparent; }
2607
2608    @each $_header, $_border in (top, 0 1px),
2609                                (bottom, 0 -1px),
2610                                (left, 1px 0),
2611                                (right, -1px 0) {
2612      &.#{$_header} {
2613        // outset borders
2614        box-shadow: #{$_border} $borders_color;
2615      }
2616    }
2617
2618    &.top {
2619      > tabs {
2620        margin: 0 rem(6px) -1px rem(6px);
2621        > tab {
2622          margin: 0 -1px 0 -1px; // 1px horizontal overlap
2623          padding: $vt_vpadding $vt_hpadding;
2624          border-bottom-width: $tab_indicator_size;
2625          box-shadow: none;
2626          &.reorderable-page {
2627            padding-left: rem(10px);  // for a nicer close button
2628            padding-right: rem(10px); // placement
2629            border-left-width: 1px;
2630            border-right-width: 1px;
2631          }
2632        }
2633      }
2634    }
2635    &.bottom {
2636      > tabs {
2637        margin: -1px rem(6px) 0 rem(6px);
2638        > tab {
2639          margin: 0 -1px 0 -1px;
2640          padding: $vt_vpadding $vt_hpadding;
2641          border-top-width: $tab_indicator_size;
2642          box-shadow: none;
2643          &.reorderable-page {
2644            padding-left: rem(16px);
2645            padding-right: rem(16px);
2646            border-left-width: 1px;
2647            border-right-width: 1px;
2648          }
2649        }
2650      }
2651    }
2652    &.left {
2653      > tabs {
2654        margin: rem(6px) -1px rem(6px) 0;
2655        > tab {
2656          margin: -1px 0 -1px 0; // 1px vertical overlap
2657          padding: $ht_vpadding $ht_hpadding;
2658          border-right-width: $tab_indicator_size;
2659          box-shadow: none;
2660          &.reorderable-page {
2661            border-bottom-width: 1px;
2662            border-top-width: 1px;
2663          }
2664        }
2665      }
2666    }
2667    &.right {
2668      > tabs {
2669        margin: rem(6px) 0 rem(6px) -1px;
2670        > tab {
2671          margin: -1px 0 -1px 0;
2672          padding: $ht_vpadding $ht_hpadding;
2673          border-left-width: $tab_indicator_size;
2674          box-shadow: none;
2675          &.reorderable-page {
2676            border-bottom-width: 1px;
2677            border-top-width: 1px;
2678          }
2679        }
2680      }
2681    }
2682
2683    // Reorderable-page
2684    @each $_tab, $_border in (top, bottom),
2685                             (bottom, top),
2686                             (left, right),
2687                             (right, left) {
2688      &.#{$_tab} tab.reorderable-page {
2689        border-#{$_border}-width: 2px;
2690        border-#{$_border}-color: transparent;
2691        &:hover {
2692          border-color: $borders_color;
2693          border-#{$_border}-width: 2px;
2694          border-#{$_border}-color: $borders_color;
2695          background-color: $base_color;
2696          box-shadow: none;
2697        }
2698        &:checked {
2699          border-color: $borders_color;
2700          border-#{$_border}-width: 2px;
2701          border-#{$_border}-color: $selected_bg_color;
2702          background-color: $base_color;
2703          box-shadow: if($variant == 'light', $tab-shadow-light,
2704                                              $tab-shadow-dark);
2705        }
2706      }
2707    }
2708
2709    // Arrow buttons
2710    &.top, &.bottom {
2711      // & tabs arrow.up { -gtk-icon-source:
2712      //                   -gtk-icontheme('pan-end-symbolic');
2713      // }
2714      // & tabs arrow.down { -gtk-icon-source:
2715      //                     -gtk-icontheme('pan-start-symbolic');
2716      // }
2717    }
2718    &.left, &.right {
2719      // & tabs arrow.up { -gtk-icon-source:
2720      //                   -gtk-icontheme('pan-down-symbolic');
2721      // }
2722      // & tabs arrow.down { -gtk-icon-source:
2723      //                     -gtk-icontheme('pan-up-symbolic');
2724      // }
2725    }
2726    & > tabs > arrow {
2727      transition: none;
2728      min-height: rem(16px);
2729      min-width: rem(16px);
2730      margin: 0 rem(6.7px);
2731      border-radius: 0;
2732      color: $tertiary_fg_color;
2733      &:hover,
2734      &:active { color: $fg_color; }
2735      &:disabled { color: $insensitive_fg_color; }
2736    }
2737
2738    &.top, &.bottom,
2739    &.left, &.right { // button outside the tabs
2740      button {
2741        min-height: rem(16px);
2742        min-width: rem(16px);
2743        padding: 0;
2744        border-radius: 100px;
2745        -gtk-outline-radius: 100px;
2746        & > image { padding: rem(6.7px); }
2747      }
2748    }
2749  }
2750
2751  tab {
2752    border-width: 0;
2753    border-style: solid;
2754    border-color: transparent;
2755    background-color: transparent;
2756
2757    outline-offset: rem(-6px);
2758
2759    // here's the interesting stuff
2760    &:hover { border-color: $track_color; }
2761    &:checked { border-color: $selected_bg_color; }
2762
2763    & label { // tab text
2764      padding: rem(1.3px);
2765      font-weight: 700;
2766      color: $tertiary_fg_color;
2767    }
2768    &.reorderable-page label { // reorderable-page tab text
2769      padding: rem(5.3px) 0 rem(5.3px);
2770    }
2771    &:hover label {
2772      // hover tab text
2773      color: $fg_color;
2774    }
2775    &:checked label {
2776      // active tab text
2777      color: $fg_color;
2778    }
2779
2780    button { // tab close button
2781      @include button(flat-normal);
2782      min-width: rem(16px);
2783      min-height: rem(16px);
2784      padding: 0;
2785      border-radius: 100px;
2786      -gtk-outline-radius: 100px;
2787      background-size: $image_button_small;
2788      color: $tertiary_fg_color;
2789      &:hover { @include button(flat-hover); }
2790      &:active { @include button(flat-active); }
2791      &:disabled { @include button(flat-insensitive); }
2792      & > image { // this is a hack which makes tabs grow
2793        padding: rem(6.7px);
2794      }
2795    }
2796    &:hover button,
2797    &:checked button { // close button colours
2798      color: $fg_color;
2799      image { color: $fg_color; }
2800    }
2801    &:disabled button {
2802      color: $insensitive_fg_color;
2803      image { color: $insensitive_fg_color; }
2804    }
2805
2806    // special case for Gedit's tab 'close' button
2807    button.flat.image-button.small-button {
2808      min-width: rem(16px);
2809      min-height: rem(16px);
2810      padding: 0;
2811      // weird wdiget gets in our way
2812      & > widget > box > image { padding: rem(6.7px); }
2813    }
2814  }
2815
2816  &:not(.reorderable-page) > entry { @extend entry.flat; }
2817}
2818
2819
2820/**************
2821 * Scrollbars *
2822 **************/
2823
2824$_slider_min_width: rem(12px);
2825$_slider_min_length: rem(32px);
2826
2827@keyframes slow_down_vert {
2828  from {min-width: $_slider_min_width - rem(6px); }
2829  to { min-width: $_slider_min_width; }
2830}
2831
2832@keyframes slow_down_horz {
2833  from {min-height: $_slider_min_width - rem(6px); }
2834  to { min-height: $_slider_min_width; }
2835}
2836
2837.scrollbar,
2838scrollbar {
2839  // disable steppers
2840  @at-root * {
2841    -GtkScrollbar-has-backward-stepper: false;
2842    -GtkScrollbar-has-forward-stepper: false;
2843  }
2844
2845  background-color: gtkopacity($base_color, 0.55);
2846  transition-duration: 0.2s;
2847
2848  // scrollbar border
2849  &.top,
2850  &.bottom,
2851  &.left,
2852  &.right {
2853    &, .trough { border: none; }
2854  }
2855
2856  // slider
2857  slider,
2858  .slider {
2859    margin: 0;
2860    border-radius: 0;
2861    border: 0 none transparent;
2862    background-color: gtkopacity($tertiary_fg_color, 0.55);
2863    &:hover { background-color: gtkopacity($secondary_fg_color, 0.55); }
2864    &:active { background-color: $fg_color; }
2865    &:disabled { opacity: 0.4; }
2866  }
2867
2868  &.fine-tune slider { margin: 0; }
2869
2870  &.vertical {
2871    slider,
2872    .slider {
2873      min-width: $_slider_min_width;
2874      min-height: $_slider_min_length;
2875      margin: 0;
2876    }
2877    &.fine-tune slider { margin: 0; }
2878  }
2879  &.horizontal {
2880    slider,
2881    .slider {
2882      min-width: $_slider_min_length;
2883      min-height: $_slider_min_width;
2884      margin: 0;
2885    }
2886    &.fine-tune slider { margin: 0; }
2887  }
2888
2889  &.overlay-indicator {
2890    &:not(.dragging):not(.hovering) { // Overlay scrolling indicator
2891      border-color: transparent;
2892      background-color: transparent;
2893
2894      slider {
2895        margin: 0;
2896        border: 0 none transparent;
2897      }
2898
2899      button {
2900        min-width: $_slider_min_width;
2901        min-height: $_slider_min_width;
2902        background-color: gtkopacity($tertiary_fg_color, 0.55);
2903        border-radius: 0;
2904        border: none;
2905        -gtk-icon-source: none;
2906      }
2907
2908      // w/o the following margin tweaks the slider shrinks
2909      // when hovering/dragging
2910      &.vertical {
2911        slider {
2912          min-width: $_slider_min_width - rem(6px);
2913          min-height: $_slider_min_length;
2914          margin: 0;
2915        }
2916
2917        button {
2918          min-width: rem(6px);
2919          margin: 0;
2920        }
2921      }
2922
2923      &.horizontal {
2924        slider {
2925          min-width: $_slider_min_length;
2926          min-height: $_slider_min_width - rem(6px);
2927          margin: 0;
2928        }
2929
2930        button {
2931          min-height: rem(6px);
2932          margin: 0;
2933        }
2934      }
2935    }
2936
2937    &.dragging,
2938    &.hovering { opacity: 0.8; }
2939
2940    &.hovering { // slow-down when deforming
2941      &.vertical slider { animation: slow_down_vert 0.2s linear forwards; }
2942      &.horizontal slider { animation: slow_down_horz 0.2s linear forwards; }
2943    }
2944  }
2945}
2946
2947
2948/**********
2949 * Switch *
2950 **********/
2951
2952switch {
2953  outline-offset: rem(-4px);
2954  font-size: 0;
2955  // similar to the scale
2956  border: rem(10px) solid transparent;
2957  border-radius: 100px;
2958  -gtk-outline-radius: 100px;
2959  background-color: $track_color;
2960
2961  &:disabled { color: $insensitive_fg_color; }
2962  &:checked {
2963    background-color: gtkopacity($selected_bg_color, 0.2);
2964    &:disabled { background-color: gtkopacity($selected_bg_color, 0.2); }
2965  }
2966  &:disabled {
2967    color: $insensitive_fg_color;
2968    background-color: $track_color;
2969  }
2970
2971  // slider styling
2972  // switch slider doesn't respond to its own states
2973  // but relies on the switch ones
2974  slider {
2975    @include button(normal);
2976    min-width: rem(20px);
2977    min-height: rem(20px);
2978    margin: rem(-4px) rem(-1px);
2979    padding: 0;
2980    border-radius: 100px;
2981    -gtk-outline-radius: 100px;
2982  }
2983  &:hover slider {
2984    @include button(hover);
2985    background-image: linear-gradient(to bottom,
2986                                      gtkalpha($selected_fg_color, 0.2));
2987  }
2988  &:checked slider { @include button(checked); }
2989  &:checked:hover slider {
2990    @include button(checked);
2991    background-image: linear-gradient(to bottom,
2992                                      gtkalpha($selected_fg_color, 0.2));
2993    box-shadow: $z-depth-2,
2994                inset 0 1px $highlight_color;
2995  }
2996  &:checked:disabled slider {
2997    @include button(checked-insensitive);
2998    // do not use any transparentize
2999    background-color: if($variant == 'light', #F0F2F3, #3F4E56);
3000    background-image: none;
3001    box-shadow: none;
3002  }
3003  &:disabled slider {
3004    background-color: if($variant == 'light', #F0F2F3, #3F4E56);
3005    background-image: none;
3006    box-shadow: none;
3007 }
3008
3009  row:selected & { // return to monochrome
3010    background-color: $bg_color;
3011    &:checked {
3012      background-color: $secondary_dark_color;
3013      &:disabled { background-color: $secondary_dark_color; }
3014    }
3015
3016    slider { background-color: $bg_color; }
3017    &:hover slider {
3018      background-image: linear-gradient(to bottom,
3019                                        gtkalpha($selected_fg_color, 0.2));
3020    }
3021    &:checked slider { background-color: $base_color; }
3022    &:checked:disabled slider { background-color: $secondary_dark_color; }
3023  }
3024
3025  // special case inside the grid container,
3026  // need to protect geometry by using pixmaps images...
3027  grid & {
3028    margin: rem(6px) rem(5px);
3029    font-size: 0;
3030    outline-color: transparent;
3031
3032    slider {
3033      min-width: rem(40px);
3034      min-height: rem(20px);
3035    }
3036
3037    // reset all of default troughs
3038    &,
3039    &:hover,
3040    &:checked,
3041    &:checked:hover,
3042    &:checked:disabled,
3043    &:disabled {
3044      margin: rem(6px) rem(5px);
3045      border: none;
3046      color: transparent;
3047      background: none;
3048      background-image: none;
3049      background-size: 40px 20px;
3050      background-repeat: no-repeat;
3051      background-position: right center;
3052      box-shadow: none;
3053
3054      &:dir(rtl) { background-position: left center; }
3055    }
3056
3057    // reset all of default sliders
3058    slider,
3059    &:hover slider,
3060    &:checked slider,
3061    &:checked:hover slider,
3062    &:checked:disabled slider,
3063    &:disabled slider {
3064      margin: 0;
3065      border: none;
3066      border-radius: 0;
3067      color: transparent;
3068      background: none;
3069      background-image: none;
3070      background-size: 40px 20px;
3071      background-repeat: no-repeat;
3072      background-position: right center;
3073      box-shadow: none;
3074
3075      &:dir(rtl) { background-position: left center; }
3076    }
3077
3078    // use ugly pixmaps
3079    &:not(:hover):not(:checked):not(:disabled) {
3080      background-image: -gtk-scaled(
3081                        url("assets/toggle-off#{$asset_suffix}.png"),
3082                        url("assets/toggle-off#{$asset_suffix}@2.png"));
3083    }
3084    &:hover {
3085      background-image: -gtk-scaled(
3086                        url("assets/toggle-off-hover#{$asset_suffix}.png"),
3087                        url("assets/toggle-off-hover#{$asset_suffix}@2.png"));
3088    }
3089    &:checked {
3090      background-image: -gtk-scaled(url("assets/toggle-on.png"),
3091                                    url("assets/toggle-on@2.png"));
3092      &:hover {
3093        background-image: -gtk-scaled(url("assets/toggle-on-hover.png"),
3094                                      url("assets/toggle-on-hover@2.png"));
3095      }
3096      &:disabled {
3097        background-image: -gtk-scaled(
3098                          url("assets/toggle-on-insensitive#{$asset_suffix}.png"),
3099                          url("assets/toggle-on-insensitive#{$asset_suffix}@2.png"));
3100      }
3101    }
3102    &:disabled {
3103      background-image: -gtk-scaled(
3104                        url("assets/toggle-off-insensitive#{$asset_suffix}.png"),
3105                        url("assets/toggle-off-insensitive#{$asset_suffix}@2.png"));
3106    }
3107  }
3108}
3109
3110
3111/*************************
3112 * Check and Radio items *
3113 *************************/
3114
3115@keyframes check_radio_hover {
3116  from {
3117    background-image: -gtk-gradient(radial,
3118                                    center center, 0,
3119                                    center center, 0.001,
3120                                    to(gtkalpha($secondary_fg_color, 0.1)),
3121                                    to(transparent));
3122  }
3123  to {
3124    background-image: -gtk-gradient(radial,
3125                                    center center, 0,
3126                                    center center, 0.5,
3127                                    to(gtkalpha($secondary_fg_color, 0.1)),
3128                                    to(transparent));
3129  }
3130}
3131
3132@keyframes check_radio_active {
3133  from {
3134    background-image: -gtk-gradient(radial,
3135                                    center center, 0,
3136                                    center center, 0.001,
3137                                    to(gtkalpha($selected_bg_color, 0.1)),
3138                                    to(transparent));
3139  }
3140  to {
3141    background-image: -gtk-gradient(radial,
3142                                    center center, 0,
3143                                    center center, 0.5,
3144                                    to(gtkalpha($selected_bg_color, 0.1)),
3145                                    to(transparent));
3146  }
3147}
3148
3149@keyframes check_radio_active_reverse {
3150  from {
3151    background-image: -gtk-gradient(radial,
3152                                    center center, 0,
3153                                    center center, 0.5,
3154                                    to(gtkalpha($selected_bg_color, 0.2)),
3155                                    to(transparent));
3156  }
3157  to {
3158    background-image: -gtk-gradient(radial,
3159                                    center center, 0,
3160                                    center center, 0.001,
3161                                    to(gtkalpha($selected_bg_color, 0)),
3162                                    to(transparent));
3163  }
3164}
3165
3166// draw regular check and radio items using our PNG assets
3167// all assets are rendered from assets.svg. never add pngs directly
3168
3169@each $w,$a in ('check', 'checkbox'),
3170               ('radio','radio') {
3171
3172  // standard checks and radios
3173  @each $s,$as in ('','-unchecked'),
3174                  (':hover', '-unchecked-active'),
3175                  (':active', '-unchecked-active'),
3176                  (':disabled','-unchecked-insensitive'),
3177                  (':indeterminate', '-mixed'),
3178                  (':indeterminate:hover', '-mixed-active'),
3179                  (':indeterminate:active', '-mixed-active'),
3180                  (':indeterminate:disabled', '-mixed-insensitive'),
3181                  (':checked', '-checked'),
3182                  (':checked:hover', '-checked-active'),
3183                  (':checked:active', '-checked-active'),
3184                  (':checked:disabled','-checked-insensitive') {
3185    .#{$w}#{$s}, #{$w}#{$s} {
3186      -gtk-icon-source: -gtk-scaled(url("assets/#{$a}#{$as}#{$asset_suffix}.png"),
3187                                    url("assets/#{$a}#{$as}#{$asset_suffix}@2.png"));
3188      -gtk-icon-shadow: none;
3189    }
3190  }
3191
3192  // menu
3193  @each $s,$as in ('',''),
3194                  // (':active', '-checked'),
3195                  (':disabled','-insensitive'),
3196                  (':indeterminate', '-mixed'),
3197                  // (':indeterminate:active', '-mixed'),
3198                  (':indeterminate:disabled', '-mixed-insensitive'),
3199                  (':checked', '-checked'),
3200                  // (':checked:active', '-checked'),
3201                  (':checked:disabled','-checked-insensitive') {
3202    menu menuitem.#{$w}#{$s},
3203    menu menuitem #{$w}#{$s} {
3204      -gtk-icon-source: -gtk-scaled(url("assets/#{$a}#{$as}-symbolic#{$asset_suffix}.png"),
3205                                    url("assets/#{$a}#{$as}-symbolic#{$asset_suffix}@2.png"));
3206      -gtk-icon-shadow: none;
3207      &:hover {
3208        -gtk-icon-source: -gtk-scaled(url("assets/#{$a}#{$as}-symbolic#{$asset_suffix}.png"),
3209                                      url("assets/#{$a}#{$as}-symbolic#{$asset_suffix}@2.png"));
3210        animation: none;
3211        -gtk-icon-shadow: none;
3212        transition: none;
3213      }
3214    }
3215  }
3216}
3217
3218// check/radio inside treeview
3219treeview.view check,
3220treeview.view radio {
3221  &, &:only-child {
3222    // margin: rem(-6.7px);
3223    // padding: rem(6.7px);
3224    padding: 0; // FIXME: negative margin doesn't work.
3225  }
3226}
3227
3228// check/radio inside selected-rows
3229@each $w,$a in ('check', 'checkbox'),
3230               ('radio','radio') {
3231
3232  // standard checks and radios
3233  @each $s,$as in ('','-unchecked'),
3234                  (':active', '-unchecked'),
3235                  (':indeterminate', '-mixed'),
3236                  (':indeterminate:active', '-mixed'),
3237                  (':checked', '-checked'),
3238                  (':checked:active', '-checked') {
3239    treeview.view,
3240    row,
3241    row.activatable {
3242      #{$w}:selected#{$s},
3243      #{$w}:selected:focus#{$s} {
3244        -gtk-icon-source: -gtk-scaled(url("assets/#{$a}#{$as}-selected.png"),
3245                                      url("assets/#{$a}#{$as}-selected@2.png"));
3246        -gtk-icon-shadow: none;
3247      }
3248      // use dark variant for insensitive states
3249      #{$w}:selected:disabled,
3250      #{$w}:selected:focus:disabled {
3251        -gtk-icon-source: -gtk-scaled(url("assets/#{$a}-unchecked-insensitive-dark.png"),
3252                                      url("assets/#{$a}-unchecked-insensitive-dark@2.png"));
3253      }
3254      #{$w}:selected:indeterminate:disabled,
3255      #{$w}:selected:focus:indeterminate:disabled {
3256        -gtk-icon-source: -gtk-scaled(url("assets/#{$a}-mixed-insensitive-dark.png"),
3257                                      url("assets/#{$a}-mixed-insensitive-dark@2.png"));
3258      }
3259      #{$w}:selected:checked:disabled,
3260      #{$w}:selected:focus:checked:disabled {
3261        -gtk-icon-source: -gtk-scaled(url("assets/#{$a}-checked-insensitive-dark.png"),
3262                                      url("assets/#{$a}-checked-insensitive-dark@2.png"));
3263      }
3264    }
3265  }
3266}
3267
3268// selection-mode
3269@each $s,$as in ('','-selectionmode'),
3270                  (':hover', '-active-selectionmode'),
3271                  (':active', '-active-selectionmode'),
3272                  (':disabled', '-insensitive-selectionmode'),
3273                  (':checked', '-checked-selectionmode'),
3274                  (':checked:hover', '-checked-active-selectionmode'),
3275                  (':checked:active', '-checked-active-selectionmode'),
3276                  (':disabled:checked', '-checked-insensitive-selectionmode') {
3277  .view.content-view .check#{$s}:not( list),
3278  .view.content-view check#{$s}:not( list) {
3279    -gtk-icon-source: -gtk-scaled(url("assets/checkbox#{$as}#{$asset_suffix}.png"),
3280                                  url("assets/checkbox#{$as}#{$asset_suffix}@2.png"));
3281    background-color: transparent;
3282  }
3283}
3284
3285checkbutton.text-button,
3286radiobutton.text-button {
3287  // this is for a nice focus on check and radios text
3288  padding: rem(2.7px) rem(6.7px);
3289  outline-offset: 0;
3290  color: $secondary_fg_color;
3291  &:hover,
3292  &:active,
3293  &:checked { color: $fg_color; }
3294  &:disabled,
3295  &:disabled:active,
3296  &:disabled:indeterminate {
3297    // set insensitive color, which is overriden otherwise
3298    // color: $insensitive_fg_color;
3299  }
3300}
3301
3302radio,
3303check {
3304  min-width: rem(16px);
3305  min-height: rem(16px);
3306  // margin: 0 rem(6.7px) 0 rem(6.7px);
3307  margin: rem(-10px) rem(-3.3px);
3308  padding: rem(10px);
3309
3310  &:hover {
3311    animation: check_radio_hover 0.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
3312  }
3313  &:active {
3314    animation: check_radio_active_reverse 0.15s cubic-bezier(0.4, 0, 0.2, 1) forwards;
3315    transition-duration: 0.15s;
3316  }
3317  &:hover:checked,
3318  &:hover:indeterminate {
3319    animation: check_radio_active 0.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
3320  }
3321
3322  menu menuitem & {
3323    min-width: rem(16px);
3324    min-height: rem(16px);
3325    margin: 0;
3326    padding: 0;
3327    &:dir(ltr) { margin-right: rem(8px); }
3328    &:dir(rtl) { margin-left: rem(8px); }
3329
3330    &, &:hover, &:disabled { //FIXME: use button reset mixin
3331      border-color: transparent;
3332      background-image: none;
3333      background-color: transparent;
3334      box-shadow: none;
3335      -gtk-icon-shadow: none;
3336      color: inherit;
3337      animation: none;
3338    }
3339  }
3340}
3341
3342
3343/************
3344 * GtkScale *
3345 ************/
3346
3347@keyframes scale_enlarge {
3348  from { background-size: $scale; }
3349  to { background-size: 100%; }
3350}
3351
3352%scale_trough {
3353  border: 1px solid transparent;
3354  border-radius: 0;
3355  background-color: $track_color;
3356  box-shadow: none;
3357  &:disabled {
3358    color: $insensitive_fg_color;
3359    background-color: $track_color;
3360  }
3361
3362  &:backdrop {
3363  }
3364
3365  // OSD
3366  .osd & {
3367  }
3368}
3369
3370%scale_highlight {
3371  border: 1px solid transparent;
3372  border-radius: 0;
3373  background-color: $accent_color;
3374  &:disabled {
3375    color: $insensitive_fg_color;
3376    background-color: $track_color;
3377  }
3378
3379  &:backdrop {
3380  }
3381
3382  // OSD
3383  .osd & {
3384  }
3385}
3386
3387$_marks_lenght: 6px;
3388$_marks_distance: 6px;
3389
3390scale {
3391  // remove ugly outlines
3392  // outline-offset: -4px;
3393  // -gtk-outline-radius: 100px;
3394  outline-offset: 0;
3395  outline-width: 0;
3396
3397  min-height: 10px;
3398  min-width: 10px;
3399  padding: 10px;
3400
3401  &.fine-tune {
3402    // remove ugly outlines
3403    // outline-offset: rem(-4px);
3404    outline-offset: 0;
3405    outline-width: 0;
3406    &.horizontal {
3407      padding-top: 9px;
3408      padding-bottom: 9px;
3409      min-height: 10px;
3410    }
3411
3412    &.vertical {
3413      padding-left: 9px;
3414      padding-right: 9px;
3415      min-width: 10px;
3416    }
3417
3418    // to make the trough grow in fine-tune mode
3419    slider { margin: -9px; }
3420
3421    highlight,
3422    fill,
3423    trough {
3424    }
3425  }
3426
3427  slider {
3428    min-height: 20px;
3429    min-width: 20px;
3430    margin: -9px;
3431
3432    &:not(:hover):not(:active) { background-size: $scale; }
3433    // @include entry(normal);
3434    // border-radius: 50%;
3435    // background-color: $success_color;
3436    @each $s,$as in ('',''),
3437                    // (':hover','-hover'),
3438                    (':active','-active'),
3439                    (':disabled','-insensitive') {
3440      &#{$s} {
3441        $_url: 'assets/slider#{$as}#{$asset_suffix}';
3442        border-style: none;
3443        border-radius: 0;
3444        background-color: transparent;
3445        background-image: -gtk-scaled(url('#{$_url}.png'),
3446                                      url('#{$_url}@2.png'));
3447        background-repeat: no-repeat;
3448        background-position: center;
3449        box-shadow: none;
3450      }
3451    }
3452    &:hover {
3453      animation: scale_enlarge 0.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
3454    }
3455    &:disabled {
3456    }
3457    // OSD sliders
3458    .osd & {
3459    }
3460  }
3461
3462  // the backing bit sizing
3463  trough,
3464  fill,
3465  highlight {
3466    min-height: 2px;
3467    min-width: 2px;
3468    border-radius: 0;
3469    border-width: 0;
3470  }
3471
3472  // the backing bit styling
3473  trough { @extend %scale_trough; }
3474
3475  // the colored part of the backing bit
3476  highlight { @extend %scale_highlight; }
3477
3478  // this is another differently styled part of the backing bit,
3479  // the most relevant use case is for example in media player
3480  // to indicate how much video stream as been cached
3481  fill {
3482    @extend %scale_trough;
3483
3484    background-color: $accent_fill_color;
3485
3486    &:disabled {
3487      border-color: transparent;
3488      background-color: transparent;
3489    }
3490  }
3491
3492  // same opacity value with dim-label
3493  value { color: gtkalpha(currentColor, 0.55); }
3494
3495  separator {
3496    color: transparent;
3497    background-color: $track_color;
3498  }
3499
3500  // scales on selected list rows
3501  row:selected & {
3502  }
3503}
3504
3505scale { // marks color
3506  marks {
3507    color: gtkalpha(currentColor, 0.55);
3508    @each $marks_class, $marks_pos, $marks_margin in (top, top, bottom),
3509                                                     (bottom, bottom, top),
3510                                                     (top, left, right),
3511                                                     (bottom, right, left) {
3512      &.#{$marks_class} {
3513        margin-#{$marks_margin}: $_marks_distance;
3514        margin-#{$marks_pos}: -($_marks_distance + $_marks_lenght);
3515      }
3516    }
3517  }
3518
3519  &.fine-tune marks {
3520    @each $marks_class, $marks_pos, $marks_margin in (top, top, bottom),
3521                                                     (bottom, bottom, top),
3522                                                     (top, left, right),
3523                                                     (bottom, right, left) {
3524      &.#{$marks_class} {
3525        margin-#{$marks_margin}: $_marks_distance;
3526        margin-#{$marks_pos}: -($_marks_distance + $_marks_lenght - 3px);
3527      }
3528    }
3529  }
3530
3531  &.horizontal {
3532    indicator {
3533      min-height: $_marks_lenght;
3534      min-width: 1px;
3535    }
3536
3537    &.fine-tune indicator { min-height: ($_marks_lenght - 3px); }
3538  }
3539
3540  &.vertical {
3541    indicator {
3542      min-height: 1px;
3543      min-width: $_marks_lenght;
3544    }
3545
3546    &.fine-tune indicator { min-width: ($_marks_lenght - 3px); }
3547  }
3548}
3549
3550// scale with marks
3551@each $d,$dn in ('horizontal', 'horz'),
3552                ('vertical', 'vert') {
3553  @each $ws,$w,$we in  (':last-child:not(:only-child)',
3554                        'scale-has-marks-above', 'scale_marks_above'),
3555                       (':first-child:not(:only-child)',
3556                        'scale-has-marks-below', 'scale_marks_below') {
3557    scale.#{$d} {
3558      %#{$w}-#{$dn},
3559      contents#{$ws} > trough > slider {
3560        @each $s,$as in ('',''),
3561                        // (':hover','-hover'),
3562                        (':active','-active'),
3563                        (':disabled','-insensitive') {
3564          &#{$s} {
3565            @extend %#{$we}_#{$dn}; // negative margin makes trough shrinking
3566            $_url: 'assets/slider-#{$dn}-#{$w}#{$as}#{$asset_suffix}';
3567            border-style: none;
3568            border-radius: 0;
3569            background-color: transparent;
3570            background-image: -gtk-scaled(url('#{$_url}.png'),
3571                                          url('#{$_url}@2.png'));
3572            background-repeat: no-repeat;
3573            background-position: center;
3574            box-shadow: none;
3575          }
3576        }
3577      }
3578      &.fine-tune {
3579        %#{$w}-#{$dn}-fine-tune,
3580        contents#{$ws} > tough > slider {
3581          @each $s,$as in ('',''),
3582                          // (':hover','-hover'),
3583                          (':active','-active'),
3584                          (':disabled','-insensitive') {
3585            &#{$s} { @extend %#{$we}_#{$dn}_ft; }
3586	  }
3587        }
3588      }
3589    }
3590  }
3591}
3592
3593scale { // scales for colour
3594  &.color {
3595    min-height: 0;
3596    min-width: 0;
3597
3598    // not actual trough colour
3599    trough {
3600      min-width: 2px;
3601      min-height: 2px;
3602      border-radius: 0;
3603      background-color: transparent;
3604    }
3605
3606    &.horizontal {
3607      padding: 0 0 10px 0;
3608
3609      trough { padding-bottom: 5px; }
3610
3611      slider {
3612        &, &:hover, &:disabled {
3613          @extend %scale-has-marks-above-horz;
3614          margin-top: 5px;
3615          margin-bottom: -10px;
3616        }
3617      }
3618    }
3619
3620    &.vertical {
3621      &:dir(ltr) {
3622        padding: 0 0 0 10px;
3623
3624        trough { padding-left: 5px; }
3625
3626        slider {
3627          &, &:hover, &:disabled {
3628            @extend %scale-has-marks-below-vert;
3629            margin-left: -10px;
3630            margin-right: 5px;
3631          }
3632        }
3633      }
3634
3635      &:dir(rtl) {
3636        padding: 0 10px 0 0;
3637
3638        trough { padding-right: 5px; }
3639
3640        slider {
3641          &, &:hover, &:disabled {
3642            @extend %scale-has-marks-above-vert;
3643            margin-left: 5px;
3644            margin-right: -10px;
3645          }
3646        }
3647      }
3648    }
3649
3650    &.fine-tune {
3651      &.horizontal {
3652        padding: 0 0 10px 0;
3653
3654        trough { padding-bottom: 5px; }
3655
3656        slider {
3657          @extend %scale-has-marks-above-horz-fine-tune;
3658          margin-top: 5px;
3659          margin-bottom: -10px;
3660        }
3661      }
3662
3663      &.vertical {
3664        &:dir(ltr) {
3665          padding: 0 0 0 10px;
3666
3667          trough { padding-left: 5px; }
3668
3669          slider {
3670            @extend %scale-has-marks-below-vert-fine-tune;
3671            margin-left: -10px;
3672            margin-right: 5px;
3673          }
3674        }
3675
3676        &:dir(rtl) {
3677          padding: 0 10px 0 0;
3678
3679          trough { padding-right: 5px; }
3680
3681          slider {
3682            @extend %scale-has-marks-above-vert-fine-tune;
3683            margin-left: 5px;
3684            margin-right: -10px;
3685          }
3686        }
3687      }
3688    }
3689  }
3690}
3691
3692%scale_marks_above_horz { margin: -15px -10px -10px -10px; }
3693%scale_marks_below_horz { margin: -10px -10px -15px -10px; }
3694%scale_marks_above_vert { margin: -10px -10px -10px -15px; }
3695%scale_marks_below_vert { margin: -10px -15px -10px -10px; }
3696%scale_marks_above_horz_ft { margin: -15px -10px -10px -10px; }
3697%scale_marks_below_horz_ft { margin: -10px -10px -15px -10px; }
3698%scale_marks_above_vert_ft { margin: -10px -10px -10px -15px; }
3699%scale_marks_below_vert_ft { margin: -10px -15px -10px -10px; }
3700
3701
3702/*****************
3703 * Progress bars *
3704 *****************/
3705
3706progressbar {
3707  // sizing
3708  &.horizontal {
3709    trough,
3710    progress { min-height: 4px; }
3711  }
3712
3713  &.vertical {
3714    trough,
3715    progress { min-width: 4px; }
3716  }
3717
3718  // the progress node is positioned after the trough border
3719  // this moves it over it.
3720  &.horizontal progress { margin: 0 -1px; }
3721  &.vertical progress { margin: -1px 0; }
3722
3723
3724  // FIXME: insensitive state missing and some other state
3725  // should be set probably
3726  font-size: 90%;
3727  color: $tertiary_fg_color;
3728
3729  trough {
3730    box-shadow: none;
3731    border-radius: 0;
3732    background-color: gtkopacity($accent_color, 0.2);
3733  }
3734
3735  progress {
3736    box-shadow: none;
3737    border-radius: 0;
3738    background-color: $accent_color;
3739    &.left {
3740      border-top-left-radius: 0;
3741      border-bottom-left-radius: 0;
3742    }
3743    &.right {
3744      border-top-right-radius: 0;
3745      border-bottom-right-radius: 0;
3746    }
3747    &.top {
3748      border-top-left-radius: 0;
3749      border-top-right-radius: 0;
3750    }
3751    &.bottom {
3752      border-bottom-left-radius: 0;
3753      border-bottom-right-radius: 0;
3754    }
3755  }
3756
3757  &.osd {
3758    min-width: 4px;
3759    min-height: 4px;
3760    trough {
3761      border-style: none;
3762      box-shadow: none;
3763      background-color: gtkopacity($accent_color, 0.2);
3764    }
3765    progress {
3766      background-image: none;
3767      background-color: $accent_color;
3768      border-style: none;
3769      border-radius: 0;
3770    }
3771  }
3772}
3773
3774%entry_progressbar { // progress inside entry
3775  margin: -10px -6px;
3776  border-style: none none solid;
3777  border-width: 2px;
3778  border-image: -gtk-gradient(radial,
3779                              center bottom, 0,
3780                              center bottom, 0.5,
3781                              to($accent_color),
3782                              to(transparent))
3783                              0 0 2 / 0 0 2px;
3784  border-radius: 0;
3785  box-shadow: none;
3786  background-color: transparent;
3787  background-image: none;
3788}
3789
3790
3791/*************
3792 * Level Bar *
3793 *************/
3794
3795levelbar {
3796  box-shadow: $z-depth-1; // needs to be set here to avoid clipping
3797
3798  & block {
3799    min-width: 36px;
3800    min-height: 4px;
3801  }
3802
3803  &.vertical block {
3804    min-width: 4px;
3805    min-height: 36px;
3806  }
3807
3808  & trough {
3809    padding: 2px;
3810    border-radius: 2px;
3811    box-shadow: $z-depth-1;
3812    &:disabled { box-shadow: none; }
3813    &.horizontal { padding: 2px 1px; }
3814    &.vertical { padding: 1px 2px; }
3815  }
3816
3817  &.horizontal.discrete block { margin: 0 1px; }
3818  &.vertical.discrete block { margin: 1px 0; }
3819
3820  block {
3821    border-radius: 0;
3822    border: none;
3823    box-shadow: none;
3824  }
3825
3826  block.low { background-color: $warning_color; }
3827
3828  block:not(.empty),
3829  block.high { background-color: $selected_bg_color; }
3830
3831  block.full { background-color: $success_color; }
3832
3833  block.empty { background-color: $track_color; }
3834}
3835
3836
3837/****************
3838 * Print dialog *
3839*****************/
3840
3841printdialog {
3842  paper {
3843    padding: 0;
3844    color: $fg_color;
3845    border: 1px solid $borders_color;
3846    background-color: white;
3847  }
3848
3849  .dialog-action-box { margin: rem(12px); }
3850}
3851
3852
3853/**********
3854 * Frames *
3855 **********/
3856
3857frame > border,
3858.frame {
3859  margin: 0;
3860  padding: 0;
3861  border-radius: 0;
3862  border: 1px solid $borders_color;
3863  box-shadow: none;
3864  &.flat { border-style: none; }
3865}
3866
3867actionbar > frame > border { border-width: 1px 0 0; }
3868
3869actionbar > revealer > box {
3870  padding: rem(5.3px);
3871  border-top: 1px solid $borders_color;
3872}
3873
3874placessidebar,
3875scrolledwindow {
3876  viewport.frame { // avoid double borders when viewport inside
3877                   // scrolled window
3878    border-style: none;
3879  }
3880
3881  // This is used by GtkScrolledWindow,
3882  // when content is touch-dragged past boundaries.
3883  // This draws a box on top of the content, the size changes programmatically.
3884  overshoot {
3885    &.top {
3886      @include overshoot(top);
3887    }
3888    &.bottom {
3889    @include overshoot(bottom);
3890    }
3891    &.left {
3892      @include overshoot(left);
3893    }
3894    &.right {
3895      @include overshoot(right);
3896    }
3897  }
3898
3899  // Overflow indication, works similarly to the overshoot,
3900  // the size if fixed tho.
3901  undershoot {
3902    &.top {
3903      @include undershoot(top, $base_color);
3904    }
3905    &.bottom {
3906    @include undershoot(bottom, $base_color);
3907    }
3908    &.left {
3909      @include undershoot(left, $base_color);
3910    }
3911    &.right {
3912      @include undershoot(right, $base_color);
3913    }
3914  }
3915
3916  junction { // the small square between two scrollbars
3917    border-color: transparent;
3918    // the border image is used to add the missing dot 
3919    // between the borders, details, details, details...
3920    border-image: linear-gradient(to bottom,
3921                                  $borders_color 1px,
3922                                  transparent 1px) 0 0 0 1 / 0 1px stretch;
3923    background-color: $base_color;
3924
3925    &:dir(rtl) { border-image-slice: 0 1 0 0; }
3926  }
3927}
3928
3929// vbox and hbox separators
3930separator {
3931  // always disable separators
3932  color: transparent;
3933  background-color: $borders_color;
3934  min-width: 1px;
3935  min-height: 1px;
3936}
3937
3938
3939/*********
3940 * Lists *
3941 *********/
3942
3943list {
3944  border-color: $borders_color;
3945  background-color: $base_color;
3946}
3947
3948row {
3949  padding: 2px;
3950}
3951
3952row.activatable {
3953  // let's take care of background colors
3954  background-image: -gtk-gradient(radial,
3955                                    center center, 0,
3956                                    center center, 0.5,
3957                                    to(gtkalpha(currentColor, 0)),
3958                                    to(transparent)),
3959                      linear-gradient(to bottom, gtkalpha(currentColor, 0));
3960  background-repeat: no-repeat;
3961  background-position: center, center;
3962  background-size: $text_button_large;
3963  &.has-open-popup, // this is for indicating which sidebar row
3964                    // generated a popover
3965  &:hover {         // see https://bugzilla.gnome.org/show_bug.cgi?id=754411
3966    transition: none;
3967    background-image: -gtk-gradient(radial,
3968                                    center center, 0,
3969                                    center center, 0.5,
3970                                    to(gtkalpha(currentColor, 0)),
3971                                    to(transparent)),
3972                      linear-gradient(to bottom, gtkalpha(currentColor, 0.05));
3973  }
3974
3975  &:active {
3976    animation: list_ripple_effect 0.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
3977  }
3978}
3979
3980// button spacing
3981row {
3982  & button.image-button {
3983    padding: rem(8px);
3984    background-size: $image_button_small;
3985  }
3986
3987  & button.circular {
3988    min-width: rem(13.3px);
3989    min-height: rem(13.3px);
3990    padding: rem(8px);
3991    background-size: $image_button_small;
3992  }
3993}
3994
3995row:selected {
3996  @extend %selected_items;
3997  button {
3998    &:disabled { color: $insensitive_secondary_selected_fg_color; }
3999    &.flat {
4000      color: $secondary_selected_fg_color;
4001      &:hover, &:active { color: $selected_fg_color; }
4002      &:disabled { color: $insensitive_secondary_selected_fg_color; }
4003    }
4004  }
4005}
4006
4007// transition
4008row {
4009  &:hover { transition: none; }
4010}
4011
4012
4013/*********************
4014 * App Notifications *
4015 *********************/
4016
4017.app-notification,
4018.app-notification.frame {
4019  @extend %osd;
4020  @extend toolbar.osd;
4021  button {
4022  }
4023  border { border: none; }
4024}
4025
4026
4027/*************
4028 * Expanders *
4029 *************/
4030
4031expander {
4032  padding: rem(2.7px) rem(4px) rem(3.3px);
4033
4034  arrow {
4035    -gtk-icon-source: -gtk-icontheme('pan-end-symbolic');
4036    min-width: rem(16px);
4037    min-height: rem(16px);
4038    &:dir(rtl) { -gtk-icon-source: -gtk-icontheme('pan-end-symbolic-rtl'); }
4039    &:checked { -gtk-icon-source: -gtk-icontheme('pan-down-symbolic'); }
4040    &:not(:hover):not(:active) { color: gtkalpha(currentColor, 0.75); }
4041    &:selected { color: $selected_fg_color; }
4042  }
4043
4044  label {
4045    color: $secondary_fg_color;
4046    &:hover,
4047    &:active { color: $fg_color; }
4048    &:selected { color: $selected_fg_color; }
4049  }
4050}
4051
4052
4053/************
4054 * Calendar *
4055 ***********/
4056
4057calendar {
4058  margin: rem(8px) 0;
4059  padding: rem(5.3px) rem(1.3px) rem(2.7px);
4060  border: 1px solid $borders_color;
4061  color: $fg_color;
4062  &:selected {
4063    border: none;
4064    border-radius: 100px;
4065    color: $selected_fg_color;
4066    background-color: transparent;
4067    background-image: -gtk-scaled(url("assets/calendar-day-selected.png"),
4068                                  url("assets/calendar-day-selected@2.png"));
4069    background-size: rem(19.3px) rem(19.3px);
4070    background-position: center top;
4071    background-repeat: no-repeat;
4072  }
4073
4074  &.header {
4075    border: 1px solid transparent;
4076    border-bottom-color: $borders_color;
4077    border-radius: 0;
4078  }
4079
4080  &.button,
4081  &.header.button {
4082    @include button(flat-normal);
4083    color: gtkalpha(currentColor, 0.20);
4084    background-size: $image_button_small;
4085    &:hover { @include button(flat-hover); }
4086    &:active { @include button(flat-active); }
4087    &:disabled { @include button(flat-insensitive); }
4088  }
4089
4090  &:indeterminate { color: gtkalpha(currentColor, 0.20); }
4091  &.highlight {
4092    color: gtkalpha(currentColor, 0.55);
4093    font-size: 90%;
4094    font-weight: 500;
4095  }
4096}
4097
4098
4099/***********
4100 * Dialogs *
4101 ***********/
4102
4103messagedialog { // Message Dialog styling
4104  .titlebar {
4105    min-height: rem(20px);
4106    border-style: none;
4107    border-top-left-radius: 2px;
4108    border-top-right-radius: 2px;
4109    color: $inverted_secondary_fg_color;
4110    background-color: $inverted_dark_color;
4111  }
4112
4113  entry {
4114    &, &:focus {
4115      color: $inverted_fg_color;
4116      caret-color: $inverted_fg_color;
4117    }
4118    &:disabled { color: $insensitive_inverted_fg_color; }
4119  }
4120
4121  button { // set foregrounds for fallback-mode
4122    color: $secondary_accent_color;
4123    &:hover,
4124    &:active,
4125    &:checked { color: $accent_color; }
4126    &:disabled { color: $insensitive_inverted_fg_color; }
4127  }
4128  .linked > button {
4129    border: 2px solid transparent;
4130    border-radius: 2px;
4131    -gtk-outline-radius: 2px;
4132    border-image: none;
4133    box-shadow: none;
4134  }
4135
4136  @each $s,$as in ('','-unchecked'),
4137                  (':hover', '-unchecked-active'),
4138                  (':active', '-unchecked-active'),
4139                  (':disabled','-unchecked-insensitive'),
4140                  (':indeterminate', '-mixed'),
4141                  (':indeterminate:hover', '-mixed-active'),
4142                  (':indeterminate:active', '-mixed-active'),
4143                  (':indeterminate:disabled', '-mixed-insensitive'),
4144                  (':checked', '-checked'),
4145                  (':checked:hover', '-checked-active'),
4146                  (':checked:active', '-checked-active'),
4147                  (':checked:disabled','-checked-insensitive') {
4148    check#{$s} { // always use dark variant
4149      -gtk-icon-source: -gtk-scaled(url("assets/checkbox#{$as}-dark.png"),
4150                                    url("assets/checkbox#{$as}-dark@2.png"));
4151    }
4152
4153    radio#{$s} {
4154      -gtk-icon-source: -gtk-scaled(url("assets/radio#{$as}-dark.png"),
4155                                    url("assets/radio#{$as}-dark@2.png"));
4156    }
4157  }
4158
4159  checkbutton.text-button,
4160  radiobutton.text-button {
4161    color: $inverted_secondary_fg_color;
4162    &:hover,
4163    &:active,
4164    &:checked { color: $inverted_fg_color; }
4165    &:disabled,
4166    &:disabled:active,
4167    &:disabled:indeterminate { color: $insensitive_inverted_fg_color; }
4168  }
4169
4170  &.csd { // rounded bottom border styling for csd version
4171    &.background {
4172      // bigger radius for better antialiasing
4173      border-bottom-left-radius: 2px;
4174      border-bottom-right-radius: 2px;
4175    }
4176  }
4177
4178  &.background,
4179  &.csd.background {
4180    color: $inverted_secondary_fg_color;
4181    background-color: $inverted_dark_color;
4182    opacity: 0.9;
4183
4184    .dialog-action-area {
4185      button,
4186      .linked > button {
4187        @include button(flat-normal);
4188        border: 2px solid transparent;
4189        border-radius: 0;
4190        color: $inverted_secondary_fg_color;
4191        font-size: initial;
4192        font-weight: 700;
4193        background-size: $text_button_small;
4194        box-shadow: none;
4195        // &:first-child { border-bottom-left-radius: 2px; }
4196        // &:last-child { border-bottom-right-radius: 2px; }
4197
4198        background-color: transparent;
4199        color: $secondary_accent_color;
4200        &:hover {
4201          @include button(flat-hover);
4202          color: $accent_color;
4203        }
4204        &:active {
4205          @include button(flat-active);
4206          color: $accent_color;
4207        }
4208        &:checked {
4209          @include button(flat-checked);
4210          color: $secondary_accent_color;
4211        }
4212        &:disabled { @include button(flat-insensitive); }
4213
4214        &:first-child {
4215          border-radius: 0 0 0 2px;
4216          border-right-width: 0;
4217        }
4218        &:last-child {
4219          border-radius: 0 0 2px 0;
4220          border-left-width: 0;
4221        }
4222      }
4223    }
4224  }
4225}
4226
4227filechooser {
4228  .dialog-action-box { border-top: 1px solid $borders_color; }
4229
4230  #pathbarbox { border-bottom: 1px solid $bg_color; }
4231}
4232
4233filechooserbutton:drop(active) {
4234  box-shadow: none;
4235  border-color: transparent;
4236}
4237
4238
4239/***********
4240 * Sidebar *
4241 ***********/
4242
4243.sidebar {
4244  border: none;
4245  color: $secondary_fg_color;
4246
4247  &, list { // draw shadows
4248     &:dir(ltr) { box-shadow: if($variant == 'light', $sidebar-light-ltr,
4249                                                     $sidebar-dark-ltr);
4250    }
4251    &:dir(rtl) { box-shadow: if($variant == 'light', $sidebar-light-rtl,
4252                                                     $sidebar-dark-rtl);
4253    }
4254  }
4255
4256  // remove background from child-elements
4257  treeview.view,
4258  .frame,
4259  list { background-color: transparent; }
4260
4261  treeview.view {
4262    box-shadow: none;
4263    &:selected,
4264    row:selected { @extend %selected_items; }
4265  }
4266
4267  // fill actual background
4268  background-color: $secondary_dark_color;
4269  .frame list { box-shadow: none; }
4270
4271  list,
4272  row,
4273  row.activatable {
4274    color: $secondary_fg_color;
4275    background-color: transparent;
4276    font-weight: 500;
4277    &:hover { color: $fg_color; }
4278    &:selected {
4279      color: $selected_bg_color;
4280      background-color: transparent;
4281
4282      label { color: $selected_bg_color; }
4283    }
4284  }
4285
4286  // disable shadows on overshoot/undershoot area
4287  // of gtk3-demo's sidebar
4288  overshoot,
4289  undershoot { box-shadow: none; }
4290}
4291
4292stacksidebar {
4293  row,
4294  row.activatable {
4295    padding: rem(5.3px) rem(8px) rem(6.7px);
4296
4297    > label {
4298      padding-left: rem(5.3px);
4299      padding-right: rem(5.3px);
4300    }
4301
4302    color: $secondary_fg_color;
4303    background-color: transparent;
4304    font-weight: 500;
4305    &:hover { color: $fg_color; }
4306    &:selected {
4307      color: $selected_bg_color;
4308      background-color: transparent;
4309
4310      label { color: $selected_bg_color; }
4311    }
4312    &:backdrop { opacity: 1.0; }
4313
4314    &.needs-attention > label { @extend %needs_attention; }
4315  }
4316
4317  .frame list { // draw shadows
4318    // dim background with alpha-blending
4319    background-color: if($variant == 'light', rgba(12, 18, 0, 0.01),
4320                                              rgba(18, 22, 0, 0.04));
4321
4322    &:dir(ltr) { box-shadow: if($variant == 'light', $sidebar-light-ltr,
4323                                                     $sidebar-dark-ltr);
4324    }
4325    &:dir(rtl) { box-shadow: if($variant == 'light', $sidebar-light-rtl,
4326                                                     $sidebar-dark-rtl);
4327    }
4328  }
4329
4330  // remove unwanted separator
4331  separator,
4332  .separator {
4333    @extend separator.wide;
4334    min-height: 0;
4335    border-color: transparent;
4336    background-color: transparent;
4337    color: transparent;
4338  }
4339}
4340
4341
4342/****************
4343 * File chooser *
4344 ****************/
4345
4346placessidebar {
4347  @extend scrolledwindow; // needs for overshoot / undershoot
4348
4349  list,
4350  row {
4351    // Background color for Nautilus and FileChooser sidebar
4352    background-color: $secondary_dark_color;
4353  }
4354
4355  row {
4356    // Needs overriding of the GtkListBoxRow padding
4357    padding: rem(5.3px) 0 rem(6.7px);
4358
4359    // Using margins/padding directly in the row
4360    // will make the animation of the new bookmark row jump
4361    & > revealer {
4362      padding: rem(4px) rem(14px) rem(4px) rem(12px);
4363    }
4364
4365    & image.sidebar-icon {
4366      opacity: 0.75; // dim the device icons
4367      &:dir(ltr) { padding-right: rem(6.7px); }
4368      &:dir(rtl) { padding-left: rem(6.7px); }
4369    }
4370
4371    & label.sidebar-label {
4372      &:dir(ltr) { padding-right: rem(2px); }
4373      &:dir(rtl) { padding-left: rem(2px); }
4374    }
4375
4376    button {
4377      &.image-button { // Eject button for removable storages
4378        padding: rem(6.7px); // Same as of placessidebar row
4379        @extend button.flat;
4380      }
4381    }
4382
4383    &:selected {
4384      color: $selected_bg_color;
4385
4386      label { color: $selected_bg_color; }
4387
4388      button.image-button {
4389        color: $secondary_selected_bg_color;
4390        &:hover,
4391        &:active { color: $selected_bg_color; }
4392      }
4393    }
4394
4395    // in the sidebar case it makes no sense to click the selected row
4396    // &:selected:active { box-shadow: none; }
4397
4398    // looks like the label doesn't get all the states so work around
4399    &:selected:disabled label { @extend %selected_items:disabled; }
4400    // &:selected:backdrop:disabled label {
4401    //   @extend %selected_items:backdrop:disabled;
4402    // }
4403
4404    &.sidebar-placeholder-row {
4405      border: solid 1px $selected_bg_color;
4406    }
4407
4408    &.sidebar-new-bookmark-row {
4409      color: $selected_bg_color;
4410    }
4411
4412    &:drop(active):not(:disabled) {
4413      color: $drop_target_color;
4414      box-shadow: inset 0 1px $drop_target_color,
4415                  inset 0 -1px $drop_target_color;
4416
4417      &:selected {
4418        color: $selected_fg_color;
4419        background-color: $drop_target_color;
4420      }
4421    }
4422  }
4423}
4424
4425placesview {
4426  .server-list-button > image {
4427  }
4428
4429  .server-list-button:checked > image {
4430  }
4431
4432  row.activatable:hover { background-color: transparent; }
4433
4434  // this selects the "connect to server" label
4435  > actionbar > revealer > box > label {
4436    padding-left: rem(8px);
4437    padding-right: rem(8px);
4438  }
4439}
4440
4441
4442/*********
4443 * Paned *
4444 *********/
4445
4446paned {
4447  > separator {
4448    min-width: 1px;
4449    min-height: 1px;
4450    border-style: none;
4451    background-color: transparent;
4452    -gtk-icon-source: none; // defeats the ugly default handle decoration
4453    // using background instead of a border
4454    // since the border will get rendered twice (?)
4455    background-image: image($borders_color);
4456    background-size: $separator_narrow;
4457    transition: none;
4458
4459    &:backdrop,
4460    &:selected { // FIXME: is this needed?
4461      background-image: image($solid_light_borders_color);
4462      transition: none;
4463    }
4464
4465    window & {
4466      // do not across over GtkHeaderBar with solid border
4467      &,
4468      &:backdrop,
4469      &:selected {
4470        // FIXME: still happaned double-border though
4471        background-image: image($paned_borders_color);
4472        transition: none;
4473      }
4474    }
4475
4476    window > grid.vertical & { // do not use transparentize
4477      &,
4478      &:backdrop,
4479      &:selected {
4480        background-image: image($solid_light_borders_color);
4481        transition: none;
4482      }
4483    }
4484
4485    &.wide {
4486      min-width: rem(6px);
4487      min-height: rem(6px);
4488      margin: 0;
4489      padding: 0;
4490      // use opaque borders to avoid double-border
4491      background-color: $bg_color;
4492      background-image: image($solid_light_borders_color),
4493                        image($solid_light_borders_color);
4494      background-size: $separator_wide;
4495
4496      &:backdrop,
4497      &:selected { // FIXME: is this needed?
4498        // background-image: none;
4499        background-image: image($solid_light_borders_color),
4500                          image($solid_light_borders_color);
4501      }
4502    }
4503  }
4504
4505  &.horizontal > separator {
4506    background-repeat: repeat-y;
4507
4508    &:dir(ltr) {
4509      margin: 0 rem(-8px) 0 0;
4510      padding: 0 rem(8px) 0 0;
4511    }
4512    &:dir(rtl) {
4513      margin: 0 0 0 rem(-8px);
4514      padding: 0 0 0 rem(8px);
4515    }
4516
4517    &.wide {
4518      background-repeat: repeat-y, repeat-y;
4519      background-position: left, right;
4520    }
4521  }
4522
4523  &.vertical > separator {
4524    margin: 0 0 rem(-8px) 0;
4525    padding: 0 0 rem(8px) 0;
4526    background-repeat: repeat-x;
4527    background-position: top;
4528
4529    &.wide {
4530      background-repeat: repeat-x, repeat-x;
4531      background-position: bottom, top;
4532    }
4533  }
4534}
4535
4536
4537/**************
4538 * GtkInfoBar *
4539 **************/
4540
4541infobar {
4542  padding: rem(5.3px);
4543  border-width: 0 0 1px;
4544  border-style: solid;
4545  // do not use transparentize
4546  border-color: $solid_light_borders_color;
4547  background-color: $secondary_dark_color;
4548}
4549
4550.info,
4551.question,
4552.warning,
4553.error {
4554  // always use dark forefground
4555  &:not(.error) {
4556    color: if($variant == 'light', $secondary_fg_color,
4557                                   $secondary_fixed_fg_color);
4558  }
4559
4560  button {
4561    @include button(flat-normal);
4562    color: $secondary_fixed_fg_color;
4563    &:hover {
4564      @include button(flat-hover);
4565      color: $fixed_fg_color;
4566    }
4567    &:active {
4568      @include button(flat-active);
4569      color: $fixed_fg_color;
4570    }
4571    &:checked {
4572      @include button(flat-checked);
4573      color: $fixed_fg_color;
4574    }
4575    &:disabled { color: $insensitive_fixed_fg_color; }
4576    &.flat {
4577      color: $secondary_fixed_fg_color;
4578      &:hover, &:active { color: $fixed_fg_color; }
4579      &:disabled { color: $insensitive_fixed_fg_color; }
4580    }
4581
4582    &.image-button {
4583      min-height: rem(13.3px);
4584      min-width: rem(13.3px);
4585      padding: rem(6.7px) rem(2.7px) rem(6.7px);
4586      border-radius: 100px;
4587      -gtk-outline-radius: 100px;
4588    }
4589  }
4590
4591  selection { background-color: darken($selected_bg_color, 10%); }
4592
4593  progressbar { // use 'white' bit and trough
4594    trough { background-color: gtkopacity($selected_fg_color, 0.2); }
4595    progress { background-color: $selected_fg_color; }
4596  }
4597}
4598
4599.info { background-color: $info_bg_color; }
4600
4601.question { background-color: $question_bg_color; }
4602
4603.warning { background-color: $warning_bg_color; }
4604
4605.error { // use white test for this
4606  color: $selected_fg_color;
4607  background-color: $error_bg_color;
4608}
4609
4610
4611/************
4612 * Tooltips *
4613 ************/
4614
4615tooltip {
4616  &.background {
4617    // background-color needs to be set this way otherwise it gets drawn twice
4618    // see https://bugzilla.gnome.org/show_bug.cgi?id=736155 for details.
4619    border: 1px solid gtkopacity($inverted_dark_color, 0.9);
4620    background-color: gtkopacity($inverted_dark_color, 0.9);
4621    background-clip: padding-box;
4622  }
4623
4624  color: $inverted_fg_color;
4625  padding: rem(4px);
4626  border-radius: 2px;
4627  box-shadow: none; // otherwise it gets inherited by windowframe.csd
4628
4629  // FIXME: we need a border or tooltips vanish on black background.
4630  decoration { background-color: transparent; }
4631
4632  * { // Yeah this is ugly
4633    background-color: transparent;
4634    color: $inverted_fg_color;
4635  }
4636}
4637
4638
4639/*****************
4640 * Color Chooser *
4641 *****************/
4642
4643colorswatch {
4644  // This widget is made of two boxes one on top of the other,
4645  // the lower box is colorswatch {} the other one is
4646  // colorswatch > .overlay {}, colorswatch has the programmatically set
4647  // background, so most of the style is applied to the overlay box.
4648
4649  box-shadow: $z-depth-1;
4650
4651  // we need to re-set the shadow here since it get axed by the previous bit
4652  &:selected { }
4653
4654  // base color corners rounding
4655  // to avoid the artifacts caused by rounded corner anti-aliasing
4656  // the base color sports a bigger radius.
4657  // nth-child is needed by the custom color strip.
4658  // The :not() madness is needed since actually the overlay is
4659  // selectable by colorswatch > .overlay and colorswatch.overlay,
4660  // I know it's weird, but this is gtk+, not a browser.
4661  &.top {
4662    border-top-left-radius: 2px;
4663    border-top-right-radius: 2px;
4664  }
4665  &.bottom {
4666    border-bottom-left-radius: 2px;
4667    border-bottom-right-radius: 2px;
4668  }
4669  &.left, &:first-child:not(.overlay):not(.top) {
4670    border-top-left-radius: 2px;
4671    border-bottom-left-radius: 2px;
4672  }
4673  &.right, &:last-child:not(.overlay):not(.bottom) {
4674    border-top-right-radius: 2px;
4675    border-bottom-right-radius: 2px;
4676  }
4677  &:only-child:not(.overlay) { border-radius: 2px; }
4678
4679  // overlay corner rounding
4680  &.top > .overlay {
4681    border-top-left-radius: 2px;
4682    border-top-right-radius: 2px;
4683  }
4684  &.bottom > .overlay {
4685    border-bottom-left-radius: 2px;
4686    border-bottom-right-radius: 2px;
4687  }
4688  &:first-child:not(.top) > .overlay {
4689    border-top-left-radius: 2px;
4690    border-bottom-left-radius: 2px;
4691  }
4692  &:last-child:not(.bottom) > .overlay {
4693    border-top-right-radius: 2px;
4694    border-bottom-right-radius: 2px;
4695  }
4696  &:only-child > .overlay { border-radius: 2px; }
4697
4698  // hover effect
4699  &:hover { box-shadow: $z-depth-2; }
4700
4701  // no hover effect for the colorswatch in the color editor
4702  GtkColorEditor & {
4703    border-radius: 2px; // same radius as the entry
4704    &:hover { box-shadow: $z-depth-1; }
4705  }
4706
4707  // indicator and keynav outline colors
4708  &.color-dark {
4709    color: white;
4710  }
4711  &.color-light {
4712    color: gtkopacity(black, 0.8);
4713  }
4714
4715  // border color
4716  &.overlay,
4717  &.overlay:selected {
4718  }
4719
4720  // make the add color button looks like, well, a button
4721  &#add-color-button {
4722  background-image: linear-gradient(to right,
4723                                    $error_bg_color 25%,
4724                                    $warning_bg_color 25%, $warning_bg_color 50%,
4725                                    $info_bg_color 50%, $info_bg_color 75%,
4726                                    $question_bg_color 75%);
4727  color: white;
4728  }
4729}
4730
4731// colorscale popup
4732colorchooser .popover.osd {
4733  padding: 3px;
4734  border-style: solid;
4735  border-width: 9px;
4736  border-radius: 2px;
4737  border-image: -gtk-scaled(url("assets/osd-shadow#{$asset_suffix}.png"),
4738                            url("assets/osd-shadow#{$asset_suffix}@2.png"))
4739                10 / 10px stretch;
4740  box-shadow: none;
4741  color: $inverted_fg_color;
4742  background-color: $inverted_dark_color;
4743  &:backdrop {
4744    border-image: -gtk-scaled(url("assets/osd-shadow-backdrop#{$asset_suffix}.png"),
4745                              url("assets/osd-shadow-backdrop#{$asset_suffix}@2.png"))
4746                  10 / 10px stretch;
4747  }
4748
4749  label {
4750    color: $accent_color;
4751    font-weight: 700;
4752  }
4753}
4754
4755
4756/********
4757 * Misc *
4758 ********/
4759
4760// content view (grid/list)
4761.content-view {
4762  background-color: $bg_color;
4763  // &:hover { -gtk-icon-effect: highlight; }
4764  & rubberband { @extend rubberband; }
4765}
4766
4767@keyframes volume_hover {
4768  from {
4769    background-image: -gtk-gradient(radial,
4770                                    center center, 0,
4771                                    center center, 0.001,
4772                                    to(gtkalpha(currentColor, 0)),
4773                                    to(transparent));
4774  }
4775  to {
4776    background-image: -gtk-gradient(radial,
4777                                    center center, 0,
4778                                    center center, 0.5,
4779                                    to(gtkalpha(currentColor, 0.1)),
4780                                    to(transparent));
4781  }
4782}
4783
4784.scale-popup {
4785   .osd & { @extend %osd; }
4786
4787   .osd & button.flat { // FIXME: quick hack, redo properly
4788   }
4789
4790  .osd & .vertical button,
4791  & .vertical button { // +/- buttons on GtkVolumeButton popup
4792    // padding: rem(10.7px);
4793    border-radius: 100px;
4794    -gtk-outline-radius: 100px;
4795    background-color: transparent;
4796    color: $secondary_fg_color;
4797
4798    &:first-child { // '+' button
4799      &:hover {
4800        @include button(flat-hover);
4801        background: none;
4802        color: $success_color;
4803        animation: volume_hover 0.2s linear forwards;
4804      }
4805      &:disabled {
4806        @include button(flat-insensitive);
4807        background: none;
4808        color: gtkalpha($success_color, 0.4);
4809      }
4810    }
4811    &:last-child { // '-' button
4812      &:hover {
4813        @include button(flat-hover);
4814        background: none;
4815        color: $error_color;
4816        animation: volume_hover 0.2s linear forwards;
4817      }
4818      &:disabled {
4819        @include button(flat-insensitive);
4820        background: none;
4821        color: gtkalpha($error_color, 0.4);
4822      }
4823    }
4824  }
4825  .osd & button,
4826  button {
4827    border-radius: 100px;
4828    -gtk-outline-radius: 100px;
4829    background-color: transparent;
4830    color: $secondary_fg_color;
4831
4832    &:first-child { // '-' button
4833      &:hover {
4834        @include button(flat-hover);
4835        background: none;
4836        color: $error_color;
4837        animation: spin_hover 0.2s linear forwards;
4838      }
4839      &:disabled {
4840        @include button(flat-insensitive);
4841        background: none;
4842        color: gtkalpha($error_color, 0.4);
4843      }
4844    }
4845    &:last-child { // '+' button
4846      &:hover {
4847        @include button(flat-hover);
4848        background: none;
4849        color: $success_color;
4850        animation: spin_hover 0.2s linear forwards;
4851      }
4852      &:disabled {
4853        @include button(flat-insensitive);
4854        background: none;
4855        color: gtkalpha($success_color, 0.4);
4856      }
4857    }
4858  }
4859}
4860
4861button.flat.scale { // standalone Speaker/Mic buttons
4862  // I assume both are image-button *by default*
4863  // with the image-button/text-button classes automagically applied
4864  // depending on the button child these selectors can be deleted.
4865  // @extend %image_button;
4866  min-width: rem(17.3px);
4867  min-height: rem(17.3px);
4868  padding: rem(10px);
4869  border-radius: 100px;
4870  -gtk-outline-radius: 100px;
4871}
4872
4873.nautilus-window .floating-bar {
4874  @extend %osd;
4875  // @extend toolbar.osd;
4876  padding: rem(1.3px) 0 rem(2.7px);
4877  border: 1px solid transparent;
4878  border-radius: 0;
4879  color: $inverted_secondary_fg_color;
4880  background-color: $inverted_dark_color;
4881  transition: none;
4882
4883  button {
4884    min-height: rem(13.3px);
4885    min-width: rem(13.3px);
4886    padding: rem(4px);
4887    margin: 0 rem(4px);
4888    color: $secondary_accent_color;
4889    &:hover,
4890    &:active,
4891    &:checked { color: $accent_color; }
4892    &:disabled { color: gtkopacity($accent_color, 0.4); }
4893  }
4894
4895  spinner {
4896    min-height: rem(12px);
4897    min-width: rem(12px);
4898    padding: rem(6.7px) 0 rem(6.7px);
4899    margin: 0 rem(-1px);
4900  }
4901}
4902
4903// axes left border and border radius
4904.nautilus-window .floating-bar.bottom.left {
4905  border-width: 1px 1px 0 0;
4906  border-radius: 0 2px + 1px 0 0;
4907  // border-width: 8px 8px 0 0;
4908  // border-image-width: 10px 10px 0 0;
4909}
4910
4911// axes right border and border radius
4912.nautilus-window .floating-bar.bottom.right {
4913  border-width: 1px 0 0 1px;
4914  border-radius: 2px + 1px 0 0 0;
4915  // border-width: 8px 0 0 8px;
4916  // border-image-width: 10px 0 0 10px;
4917}
4918
4919
4920/**********************
4921 * Window Decorations *
4922 *********************/
4923
4924decoration {
4925  transition: none;
4926  border-radius: 2px 2px 0 0;
4927  // lamefun trick to get rounded borders regardless of CSD use
4928  border-width: 0;
4929  box-shadow: $z-depth-4;
4930
4931  // FIXME rationalize shadows
4932
4933  // this is used for the resize cursor area
4934  margin: 8px;
4935
4936  &:backdrop {
4937    // the transparent shadow here is to enforce that the shadow extents don't
4938    // change when we go to backdrop, to prevent jumping windows.
4939    // The biggest shadow should be in the same order then in the active state
4940    // or the jumping will happen during the transition.
4941    box-shadow: $z-depth-2-backdrop;
4942    transition: none;
4943  }
4944
4945  .fullscreen &,
4946  .maximized &,
4947  .tiled & {
4948    border-radius: 0;
4949    transition: none;
4950  }
4951
4952  .popup & { box-shadow: none; }
4953
4954  // server-side decorations as used by mutter
4955  .ssd & {
4956    .button {
4957      @extend .button.flat; // use style-class instead of CSS nodes
4958      border-radius: 100px;
4959      -gtk-outline-radius: 100px;
4960    }
4961    // just doing borders, wm draws actual shadows
4962    // otherwise incorrect shadows are appeared
4963    box-shadow: $z-depth-1-backdrop;
4964
4965    .tiled & .titlebar {
4966      @extend %tiled_integration;
4967      transition: none;
4968    }
4969    .maximized & .titlebar {
4970      @extend %maxd_integration;
4971      transition: none;
4972    }
4973  }
4974
4975  .csd.popup & {
4976    border-radius: 2px;
4977    box-shadow: $z-depth-3;
4978  }
4979  tooltip.csd & {
4980    border-radius: 2px;
4981    box-shadow: $z-depth-2;
4982  }
4983  message-dialog.csd & {
4984    border-radius: 2px;
4985    box-shadow: $z-depth-4;
4986    &:backdrop {
4987      box-shadow: $z-depth-2-backdrop;
4988      transition: none;
4989    }
4990  }
4991
4992  .solid-csd & {
4993    border-radius: 2px 2px 0 0;
4994    margin: -1px;
4995    background-color: $bg_color;
4996    border: none;
4997    box-shadow: none;
4998  }
4999}
5000
5001// Window manager buttons
5002.csd headerbar,
5003.csd .titlebar {
5004  & button.titlebutton,
5005  &.selection-mode button.titlebutton {
5006    @extend %fade_effect;
5007    @extend button.flat;
5008    min-width: rem(13.3px);
5009    min-height: rem(13.3px);
5010    padding: rem(10px);
5011    border-radius: 100px;
5012    -gtk-outline-radius: 100px;
5013
5014    &.close,
5015    &.minimize,
5016    &.maximize {
5017      &:hover:backdrop,
5018      &:active:backdrop { opacity: 1.0; }
5019
5020      > image {
5021        min-height: 16px;
5022	min-width: 16px;
5023        color: transparent;
5024        background-size: 16px 16px;
5025        background-repeat: no-repeat;
5026        background-position: center;
5027      }
5028    }
5029
5030    // raised 'Close' button
5031    &.close {
5032      > image {
5033        background-image: -gtk-scaled(url("assets/window-close.png"),
5034                                      url("assets/window-close@2.png"));
5035      }
5036
5037      &:hover {
5038        @include button(hover);
5039        color: $selected_fg_color;
5040        background-color: $destructive_color;
5041
5042        > image {
5043          background-image: -gtk-scaled(url("assets/window-close-active.png"),
5044                                        url("assets/window-close-active@2.png"));
5045        }
5046      }
5047      &:active {
5048        @include button(active);
5049        color: $selected_fg_color;
5050        background-color: $selected_bg_color;
5051
5052        > image {
5053          background-image: -gtk-scaled(url("assets/window-close-active.png"),
5054                                        url("assets/window-close-active@2.png"));
5055        }
5056      }
5057    }
5058
5059    &.minimize {
5060      > image {
5061        background-image: -gtk-scaled(url("assets/window-minimize.png"),
5062                                      url("assets/window-minimize@2.png"));
5063      }
5064
5065      &:hover,
5066      &:active {
5067        > image {
5068          background-image: -gtk-scaled(url("assets/window-minimize-active.png"),
5069                                        url("assets/window-minimize-active@2.png"));
5070        }
5071      }
5072    }
5073
5074    &.maximize {
5075      > image {
5076        background-image: -gtk-scaled(url("assets/window-maximize.png"),
5077                                      url("assets/window-maximize@2.png"));
5078      }
5079
5080      &:hover,
5081      &:active {
5082        > image {
5083          background-image: -gtk-scaled(url("assets/window-maximize-active.png"),
5084                                        url("assets/window-maximize-active@2.png"));
5085        }
5086      }
5087    }
5088  }
5089}
5090
5091.csd.maximized headerbar,
5092.csd.maximized .titlebar {
5093  & button.titlebutton,
5094  &.selection-mode button.titlebutton {
5095    &.maximize {
5096      > image {
5097        background-image: -gtk-scaled(url("assets/window-unmaximize.png"),
5098                                      url("assets/window-unmaximize@2.png"));
5099      }
5100
5101      &:hover,
5102      &:active {
5103        > image {
5104          background-image: -gtk-scaled(url("assets/window-unmaximize-active.png"),
5105                                        url("assets/window-unmaximize-active@2.png"));
5106        }
5107      }
5108    }
5109  }
5110}
5111
5112// specific button styling for SSDs
5113.ssd .titlebar {
5114  button.titlebutton {
5115    &.close,
5116    &.minimize,
5117    &.maximize { // reset styling
5118      color: transparent;
5119      background-size: 28px 28px;
5120      background-repeat: no-repeat;
5121      background-position: center;
5122      background: none;
5123      box-shadow: none;
5124      &:backdrop,
5125      &:hover:backdrop,
5126      &:active:backdrop { color: transparent; }
5127    }
5128
5129    @each $_class,
5130          $_state,
5131          $_shadow in ('', '', none),
5132                      (':hover', '-hover', $z-depth-2),
5133                      (':active', '-active', $z-depth-2),
5134                      (':backdrop', '-backdrop', none),
5135                      (':backdrop:hover', '-backdrop-hover', $z-depth-2),
5136                      (':backdrop:active', '-backdrop-active', $z-depth-2) {
5137      &.close#{$_class} {
5138        background-image: -gtk-scaled(
5139                          url("assets/window-close-ssd#{$_state}.png"),
5140                          url("assets/window-close-ssd#{$_state}@2.png"));
5141        box-shadow: #{$_shadow};
5142      }
5143    }
5144
5145    @each $_class, $_state in ('', ''),
5146                              (':hover', '-hover'),
5147                              (':active', '-active'),
5148                              (':backdrop', '-backdrop'),
5149                              (':backdrop:hover', '-backdrop-hover'),
5150                              (':backdrop:active', '-backdrop-active') {
5151      &.minimize#{$_class} {
5152        background-image: -gtk-scaled(
5153                          url("assets/window-minimize-ssd#{$_state}.png"),
5154                          url("assets/window-minimize-ssd#{$_state}@2.png"));
5155      }
5156    }
5157
5158    @each $_class, $_state in ('', ''),
5159                              (':hover', '-hover'),
5160                              (':active', '-active'),
5161                              (':backdrop', '-backdrop'),
5162                              (':backdrop:hover', '-backdrop-hover'),
5163                              (':backdrop:active', '-backdrop-active') {
5164      &.maximize#{$_class} {
5165        background-image: -gtk-scaled(
5166                          url("assets/window-maximize-ssd#{$_state}.png"),
5167                          url("assets/window-maximize-ssd#{$_state}@2.png"));
5168      }
5169    }
5170  }
5171}
5172
5173.maximized.ssd .titlebar {
5174  button.titlebutton {
5175    @each $_class, $_state in ('', ''),
5176                              (':hover', '-hover'),
5177                              (':active', '-active'),
5178                              (':backdrop', '-backdrop'),
5179                              (':backdrop:hover', '-backdrop-hover'),
5180                              (':backdrop:active', '-backdrop-active') {
5181      &.maximize#{$_class} {
5182        background-image: -gtk-scaled(
5183                          url("assets/window-unmaximize-ssd#{$_state}.png"),
5184                          url("assets/window-unmaximize-ssd#{$_state}@2.png"));
5185      }
5186    }
5187  }
5188}
5189
5190.ssd decoration .titlebar {
5191  // shrink titlebar height for SSD
5192  button.titlebutton {
5193    min-width: 28px;
5194    min-height: 28px;
5195    margin: 0;
5196    padding: 0;
5197  }
5198}
5199
5200// catch all extend :)
5201%selected_items {
5202  background-color: $selected_bg_color;
5203
5204  @at-root %nobg_selected_items, & {
5205    color: $selected_fg_color;
5206    &:disabled { color: $insensitive_selected_fg_color; }
5207    &:backdrop {
5208      // color: $backdrop_selected_fg_color;
5209      &:disabled { color: $insensitive_selected_fg_color; }
5210    }
5211  }
5212}
5213
5214.monospace {
5215  font-family: Monospace;
5216}
5217
5218
5219/**********************
5220 * Touch Copy & Paste *
5221 *********************/
5222
5223// touch selection handlebars for the Popover.osd above
5224cursor-handle {
5225  background-color: $success_color;
5226  background-image: none;
5227  box-shadow: none;
5228  border-style: none;
5229  @each $s,$as in ('',''),
5230                  (':hover','-hover'),
5231                  (':active','-active') { // no need for insensitive
5232                                          // and backdrop
5233                    &.top#{$s}:dir(ltr), &.bottom#{$s}:dir(rtl) {
5234                      $_url: 'assets/text-select-start#{$as}#{$asset_suffix}';
5235                      -gtk-icon-source: -gtk-scaled(url('#{$_url}.png'),
5236                                                    url('#{$_url}@2.png'));
5237                      padding-left: 10px;
5238                    }
5239                    &.bottom#{$s}:dir(ltr), &.top#{$s}:dir(rtl) {
5240                      $_url: 'assets/text-select-end#{$as}#{$asset_suffix}';
5241                      -gtk-icon-source: -gtk-scaled(url('#{$_url}.png'),
5242                                                    url('#{$_url}@2.png'));
5243                      padding-right: 10px;
5244                    }
5245                    &.insertion-cursor#{$s}:dir(ltr),
5246                    &.insertion-cursor#{$s}:dir(rtl) {
5247                      $_url: 'assets/slider-horz-scale-has-marks-above#{$as}#{$asset_suffix}';
5248                      -gtk-icon-source: -gtk-scaled(url('#{$_url}.png'),
5249                                                    url('#{$_url}@2.png'));
5250     }
5251  }
5252}
5253
5254// Decouple the font of context menus from their entry/textview
5255.context-menu {
5256  font: initial;
5257}
5258
5259popover.touch-selection {
5260  font: initial;
5261  color: $fg_color;
5262  background-color: $base_color;
5263  box-shadow: $z-depth-2;
5264  &:backdrop { box-shadow: $z-depth-1; }
5265  button {
5266  }
5267}
5268
5269button.circular {
5270  border-radius: 100px;
5271  -gtk-outline-radius: 100px;
5272
5273  label { padding: 0; }
5274}
5275
5276// shortcut window keys
5277.keycap {
5278  min-width: rem(20px);
5279  min-height: rem(26px);
5280  margin-top: rem(2.7px);
5281  margin-bottom: rem(3.3px);
5282  padding: 0 rem(6px);
5283  border: none;
5284  border-radius: 2px;
5285  color: $fg_color;
5286  background-color: $base_color;
5287  box-shadow: $z-depth-1;
5288  font-size: 90%;
5289  font-weight: 500;
5290}
5291
5292// FIXME: needs to be done widget by widget,
5293// this wildcard should really die
5294*:drop(active):focus,
5295*:drop(active) {
5296  border-color: $drop_target_color;
5297  box-shadow: inset 0 0 0 1px $drop_target_color;
5298  caret-color: $drop_target_color;
5299}
5300
5301// FIXME: aggregate with buttons
5302stackswitcher button.circular,
5303stackswitcher button.text-button.circular {
5304  min-width: rem(37.3px);
5305  min-height: rem(37.3px);
5306  padding: 0;
5307}
5308
5309// undershoot for speciic-cases
5310undershoot {
5311  box > scrolledwindow & {
5312    &.top { @include undershoot(top, $bg_color); }
5313    &.bottom { @include undershoot(bottom, $bg_color); }
5314    &.left { @include undershoot(left, $bg_color); }
5315    &.right { @include undershoot(right, $bg_color); }
5316  }
5317
5318  placessidebar &,
5319  .sidebar & {
5320    &.top { @include undershoot(top, $secondary_dark_color); }
5321    &.bottom { @include undershoot(bottom, $secondary_dark_color); }
5322    &.left { @include undershoot(left, $secondary_dark_color); }
5323    &.right { @include undershoot(right, $secondary_dark_color); }
5324  }
5325}
5326