Propose a different traditional ok implentation (#290)

* tr

* Propose another Traditonal Ok implementation based on Yaru

* Makefile

* fix makefile

* remove whitespace+

* remove trailing whitespaces

* rename it to traditionalok

* move Theme to yaruok

* Fix regression in mate appearance yaruok

* Sync with official branch

* readd traditionalokf

* fix YaruOK case mismatch

* improve tabs on gtk4

* fix Makefile.am

* Add YaruGreen

* Fix YaruGreen GTK3

* Fix Build - first try

* Fix Build - second try

* Fix Build - third try

* improve colors of yaru green, decrease tab size

* import scrollbar code from traditional green to yaru green

* fix build

* Tab_alignment_fix_for_yaru_green

* add panel grip

* decrease_tab_size fix_panel fix_link_color

* sync_yru_ok_with_green

* addpanel_gripper_to yaru

* darken yarugreen scrollbar as requested

* decrease border radius for popover on yaru grren and ok

* decrease border radius for popover on yaru grren and ok .

* fiy overlay - first try

* fix osd colors

* improve tabs and panel grabber

* decrease popover and menu radius to 2px

* fix mate-calc

* fix mate-calc.

1 files changed, 520 insertions, 0 deletions

diff --git a/desktop-themes/YaruGreen/gtk-4.0/_drawing.scss b/desktop-themes/YaruGreen/gtk-4.0/_drawing.scss
new file mode 100644
index 00000000..cf474960
--- /dev/null
+++ b/desktop-themes/YaruGreen/gtk-4.0/_drawing.scss
@@ -0,0 +1,520 @@
+// Drawing mixins
+
+// generic drawing of more complex things
+
+//
+// Helper mixin for drawing visible focus rings
+//
+// If $target is specified, the focus ring is applied to the specified child element.
+// If $outer is true, the focus ring extends outward. Otherwise, it extends inward.
+// If $within is true, use focus-within instead of focus:focus-visible
+//
+@mixin focus-ring($target: null, $width: 2px, $offset: -$width, $outer: false, $focus-state: 'focus:focus-visible', $fc: $focus_border_color) {
+  & #{$target} {
+    outline: 0 solid transparent;
+    outline-offset: if($outer, $offset + 4px, $offset + $width + 4px);
+  }
+
+  &:#{$focus-state} #{$target} {
+    outline-color: $fc;
+    outline-width: $width;
+    outline-offset: $offset;
+  }
+}
+
+@mixin _shadows($list...) {
+//
+// Helper mixin to stack up to box-shadows;
+//
+  $shadows: null;
+
+  @each $shadow in $list {
+    @if $shadow!=none { $shadows: $shadows, $shadow; }
+  }
+
+  box-shadow: $shadows;
+}
+
+// entries
+
+@mixin entry($t, $fc:$focus_border_color) {
+//
+// Entries drawing function
+//
+// $t: entry type
+// $fc: focus color
+//
+// possible $t values:
+// normal, focus, insensitive, backdrop, backdrop-insensitive, osd, osd-focus, osd-backdrop, block_cursor;
+//
+
+  @if $t==normal {
+    color: $text_color;
+    border-color: $borders_color;
+    background-color: $base_color;
+    // for the transition to work the number of shadows in different states needs to match, hence the transparent shadow here.
+  }
+  @if $t==insensitive {
+    color: $insensitive_fg_color;
+    border-color: $borders_color;
+    background-color: $insensitive_bg_color;
+  }
+  @if $t==backdrop {
+    color: $backdrop_text_color;
+    border-color: $backdrop_borders_color;
+    background-color: $backdrop_base_color;
+  }
+  @if $t==backdrop-insensitive {
+    color: $backdrop_insensitive_color;
+    border-color: $backdrop_borders_color;
+    background-color: $insensitive_bg_color;
+  }
+  @if $t==osd {
+    color: $osd_text_color;
+    border-color: $osd_borders_color;
+    background-color: transparentize(opacify($osd_borders_color, 1), 0.5);
+    background-clip: padding-box;
+    box-shadow: none;
+    -gtk-icon-shadow: 0 1px black;
+  }
+  @if $t==osd-focus {
+    color: $osd_text_color;
+    border-color: $selected_bg_color;
+    background-color: transparentize(opacify($osd_borders_color, 1), 0.5);
+    background-clip: padding-box;
+  }
+  @if $t==osd-insensitive {
+    color: $osd_insensitive_fg_color;
+    border-color: $osd_borders_color;
+    background-color: $osd_insensitive_bg_color;
+    background-clip: padding-box;
+  }
+  @if $t==osd-backdrop {
+    color: $osd_text_color;
+    border-color: $osd_borders_color;
+    background-color: transparentize(opacify($osd_borders_color, 1), 0.5);
+    background-clip: padding-box;
+  }
+  @if $t==block_cursor {
+    color: $base_color;
+    background-color: $text_color;
+  }
+}
+
+// buttons
+
+@function _border_color($c, $darker: false) {
+  @if $darker == true { @return darken($c, 20%); }
+  @else { @return darken($c, 10%); } // Yaru change: less darken 15% -> 10%
+}
+
+$_default_button_c: lighten($bg_color,2%);
+@mixin button($t, $c:$_default_button_c, $tc:$fg_color) {
+//
+// Button drawing function
+//
+// $t:    button type,
+// $c:    base button color for colored* types
+// $tc:   optional text color for colored* types
+//
+// possible $t values:
+// normal, hover, active, checked-hover, checked-active, insensitive, insensitive-active,
+// backdrop, backdrop-active, backdrop-insensitive, backdrop-insensitive-active,
+// osd, osd-hover, osd-active, osd-insensitive, osd-backdrop, undecorated
+//
+  $_button_shadow: 0 1px transparentize(black, 0.95); // Yaru changes: use solid shadow
+
+  @if $t==normal {
+  //
+  // normal button
+  //
+    color: $tc;
+    outline-color: if($c != $_default_button_c, $alt_focus_border_color, $focus_border_color);
+    border-color: if($c!=$_default_button_c, _border_color($c, false), $borders_color); //tint if not default button color - Yaru change: less darken border-color
+    background-image: linear-gradient(to bottom, $button_gradient_a,$button_gradient_b 50%, $button_gradient_c 50%, $button_gradient_d );
+    @include _shadows($_button_shadow);
+  }
+
+  @else if $t==hover {
+  //
+  // hovered button
+  //
+    color: $tc;
+    border-color: if($c != $_default_button_c, _border_color($c), $borders_color);
+     background-image: linear-gradient(to bottom,
+                      $button_hover_gradient_a 5%,
+                      $button_hover_gradient_b 95%,
+                      $button_hover_gradient_c);
+    @include _shadows(0 1px transparentize(black, if($variant=='light', 0.85, 0.9)));
+  }
+
+  @else if $t==active {
+  //
+  // pushed button
+  //
+    color: $tc;
+    border-color: if($c != $_default_button_c, _border_color($c), $borders_color);
+    background-image: linear-gradient(to bottom,$button_active_gradient_a,
+                      $button_active_gradient_b 3px,
+                      $button_active_gradient_c 4px,
+                      $button_active_gradient_d 50%,
+                      $button_active_gradient_e 50%,
+                      $button_active_gradient_f);
+    box-shadow: none;
+  }
+
+  @else if $t==checked-hover {
+  //
+  // pushed togglebutton hover
+  //
+    color: $tc;
+    border-color: if($c != $_default_button_c, _border_color($c), $borders_color);
+    background-image: if($variant == 'light', image(darken($c, 18%)), image(darken($c, 12%)));
+    box-shadow: none;
+  }
+
+  @else if $t==checked-active {
+  //
+  // pushed togglebutton pushed further :)
+  //
+    color: $tc;
+    border-color: if($c != $_default_button_c, _border_color($c), $borders_color);
+    background-image: if($variant == 'light', image(darken($c, 22%)), image(darken($c, 14%)));
+    box-shadow: none;
+  }
+
+  @else if $t==insensitive {
+  //
+  // insensitive button
+  //
+    $_bg: if($c != $_default_button_c, mix($c, $base_color, 85%), $insensitive_bg_color);
+
+    color: if($tc != $fg_color, mix($tc, $_bg, 50%), $insensitive_fg_color);
+    border-color: if($c != $_default_button_c, _border_color($c), $insensitive_borders_color);
+          background-image: linear-gradient(to bottom, $button_insensitive_gradient_a,$button_insensitive_gradient_b 50%, $button_insensitive_gradient_c 50%, $button_insensitive_gradient_d );
+  }
+
+  @else if $t==insensitive-active {
+  //
+  // insensitive pushed button
+  //
+    $_bg: if($variant == 'light', darken(mix($c, $base_color, 85%), 8%), darken(mix($c, $base_color, 85%), 6%));
+    $_bc: if($c != $_default_button_c, _border_color($c), $insensitive_borders_color);
+
+    color: if($c != $_default_button_c, mix($tc, $_bg, 60%), $insensitive_fg_color);
+    border-color: $_bc;
+    background-image: image($_bg);
+    box-shadow: none;
+  }
+
+  @else if $t==backdrop {
+  //
+  // backdrop button
+  //
+    $_bg: if($c != $_default_button_c, $c, $backdrop_bg_color);
+    $_bc: if($variant == 'light', $c, _border_color($c));
+
+    color: if($tc != $fg_color, mix($tc, $_bg, 80%), $backdrop_fg_color);
+    border-color: if($c != $_default_button_c, $_bc, $backdrop_borders_color);
+    background-image: image($_bg);
+    box-shadow: none;
+  }
+
+  @else if $t==backdrop-active {
+  //
+  // backdrop pushed button
+  //
+    $_bg: if($variant == 'light', darken(mix($c, $base_color, 85%), 8%), darken(mix($c, $base_color, 85%), 4%));
+    $_bc: if($variant == 'light', $_bg ,_border_color($c));
+
+    color: if($tc != $fg_color, mix($tc, $_bg, 80%), $backdrop_fg_color);
+    border-color: if($c != $_default_button_c, $_bc, $backdrop_borders_color);
+    background-image: image($_bg);
+    box-shadow: none;
+  }
+
+  @else if $t==backdrop-insensitive {
+  //
+  // backdrop insensitive button
+  //
+
+    $_bg: if($c != $bg_color, mix($c, $base_color, 85%), if($variant=='light', $insensitive_bg_color, lighten($insensitive_bg_color, 3%))); // Yaru change
+    $_bc: if($variant == 'light', $_bg,_border_color($c));
+
+    color: if($c != $_default_button_c, mix($tc, $_bg, 35%), $backdrop_insensitive_color);
+    border-color: if($c != $_default_button_c, $_bc, $backdrop_borders_color);
+    background-image: image($_bg);
+    box-shadow: none;
+  }
+
+  @else if $t==backdrop-insensitive-active {
+  //
+  // backdrop insensitive pushed button
+  //
+
+    $_bg: if($variant == 'light', darken(mix($c, $base_color, 85%), 8%), darken(mix($c, $base_color, 85%), 4%));
+    $_bc: if($variant == 'light', $_bg, _border_color($c));
+
+    color: if($c != $_default_button_c, mix($tc, $_bg, 35%), $backdrop_insensitive_color);
+    border-color: if($c != $_default_button_c, $_bc, $backdrop_borders_color);
+    background-image: image($_bg);
+    box-shadow: none;
+  }
+
+  @else if $t==osd {
+  //
+  // normal osd button
+  //
+    $_bg: if($c != $_default_button_c, transparentize($c, 0.5), $osd_bg_color);
+
+    color: $osd_fg_color;
+    outline-color: if($c != $_default_button_c, $alt_focus_border_color, $focus_border_color);
+    border-color: $osd_borders_color;
+    background-color: transparent;
+    background-image: image($_bg);
+    background-clip: padding-box;
+  }
+
+  @else if $t==osd-hover {
+  //
+  // active osd button
+  //
+    $_bg: if($c != $_default_button_c, transparentize($c, 0.3), darken($osd_bg_color, 10%));
+
+    color: white;
+    border-color: $osd_borders_color;
+    background-color: transparent;
+    background-image: image($_bg);
+    background-clip: padding-box;
+  }
+
+  @else if $t==osd-active {
+  //
+  // active osd button
+  //
+    $_bg: if($c != $_default_button_c, $c, darken($osd_bg_color, 20%));
+
+    color: white;
+    border-color: $osd_borders_color;
+    background-color: transparent;
+    background-image: image($_bg);
+    background-clip: padding-box;
+    box-shadow: none;
+  }
+
+  @else if $t==osd-insensitive {
+  //
+  // insensitive osd button
+  //
+    color: $osd_insensitive_fg_color;
+    border-color: $osd_borders_color;
+    background-color: transparent;
+    background-image: image($osd_insensitive_bg_color);
+    background-clip: padding-box;
+  }
+
+  @else if $t==osd-backdrop {
+  //
+  // backdrop osd button
+  //
+    $_bg: if($c != $_default_button_c, transparentize($c, 0.5), $osd_bg_color);
+
+    color: $osd_fg_color;
+    border-color: $osd_borders_color;
+    background-color: transparent;
+    background-image: image($_bg);
+    background-clip: padding-box;
+  }
+
+  @else if $t==undecorated {
+  //
+  // reset
+  //
+    border-color: transparent;
+    background-color: transparent;
+    background-image: none;
+    box-shadow: none;
+  }
+  @else if $t==undecorated-hover {
+    border-color: transparent;
+    background-image: none;
+    box-shadow: none;
+    @if $variant == 'light' {
+      background-color: darken($c,14%);
+    } @else {
+      background-color: darken($c,1%);
+    }
+  }
+  @else if $t==undecorated-active {
+    border-color: transparent;
+    background-image: none;
+    box-shadow: none;
+    @if $variant == 'light' {
+      background-color: darken($c,20%);
+    }
+    @else {
+      background-color: darken($c,5%);
+    }
+  }
+}
+
+@mixin headerbar_fill($c:$headerbar_bg_color, $ov: none) {
+//
+// headerbar fill
+//
+// $c:  base color
+// $ov: a background layer for background shorthand (hence no commas!)
+//
+ background-image: linear-gradient(to bottom,
+                      #99bae3,
+                      #8cb0dc 50%,
+                      #86abd9 50%,
+                      #7aa1d1);
+ &:backdrop{
+  background-image: linear-gradient(to bottom,
+                      #eae9e8,
+                      #e2e1e0 50%,
+                      #dedcda 50%,
+                      #d4d2d0);
+ }
+}
+
+@mixin overshoot($p, $t:normal, $c:$fg_color) {
+//
+// overshoot
+//
+// $p: position
+// $t: type
+// $c: base color
+//
+// possible $p values:
+// top, bottom, right, left
+//
+// possible $t values:
+// normal, backdrop
+//
+
+  $_small_gradient_length: 3%;
+  $_big_gradient_length: 50%;
+
+  $_small_gradient_size: 100% $_small_gradient_length;
+  $_big_gradient_size: 100% $_big_gradient_length;
+
+  @if $p==right or $p==left {
+    $_small_gradient_size: $_small_gradient_length 100%;
+    $_big_gradient_size: $_big_gradient_length 100%;
+  }
+
+  $_small_gradient_color: $c;
+  $_big_gradient_color: transparentize($c, 0.93);
+
+  @if $c==$fg_color {
+    $_small_gradient_color: darken($borders_color, 10%);
+    $_big_gradient_color: transparentize($fg_color, 0.93);
+
+    @if $t==backdrop { $_small_gradient_color: $backdrop_borders_color; }
+  }
+
+  $_small_gradient: radial-gradient(farthest-side at $p,
+                                    $_small_gradient_color 85%,
+                                    transparentize($_small_gradient_color, 1));
+
+  $_big_gradient: radial-gradient(farthest-side at $p,
+                                  $_big_gradient_color,
+                                  transparentize($_big_gradient_color, 1));
+
+  @if $t==normal {
+    background-image: $_small_gradient, $_big_gradient;
+    background-size: $_small_gradient_size, $_big_gradient_size;
+  }
+
+  @else if $t==backdrop {
+    background-image: $_small_gradient;
+    background-size: $_small_gradient_size;
+  }
+
+  background-repeat: no-repeat;
+  background-position: $p;
+
+  background-color: transparent; // reset some properties to be sure to not inherit them somehow
+  border: none;                  //
+  box-shadow: none;              //
+}
+
+/***************************
+ * Check and Radio buttons *
+ ***************************/
+
+ @mixin check($t, $c:$checkradio_bg_color, $tc:$checkradio_fg_color, $checked: false) {
+  // Check/Radio drawing function
+  //
+  // $t:        check/radio type,
+  // $c:        base button color for colored* types
+  // $tc:       optional text color for colored* types
+  // $checked:  bool to chose between checked/unchecked
+  //
+  // possible $t values:
+  // normal, hover, active, insensitive, backdrop, backdrop-insensitive, menu
+
+  $_border_color: if($c==$checkradio_bg_color, $c, $alt_borders_color); // Yaru change: use background color as border color
+  $_dim_border_color: transparentize($_border_color, if($variant == 'light', 0.3, 0.7));
+
+  @if $t==normal  { // Yaru change: no gradients, better borders
+    background-clip: if($checked, border-box, padding-box);
+    background-image: image(white);
+    border-color: $_border_color;
+    box-shadow: 0 1px transparentize(black, 0.95);
+    color: $fg_color;
+  }
+
+  @if $t==hover {
+    background-image: image($core_color_a);
+    border-color: darken($core_color_a , 20%);
+  }
+
+  @if $t==active {
+    border-color:  $borders_color;
+    background-image: image(white);
+    box-shadow: none;
+  }
+
+  @if $t==insensitive {
+    box-shadow: none;
+    color: $insensitive_fg_color;
+    border-color: $insensitive_borders_color;
+    background-image: image($insensitive_bg_color);
+  }
+
+  @if $t==backdrop {
+     background-image: image(white);
+    border-color: $_border_color;
+    box-shadow: 0 1px transparentize(black, 0.95);
+    color: $fg_color;
+  }
+
+  @if $t==backdrop-insensitive {
+    box-shadow: none;
+    color: $backdrop_fg_color;
+    border-color: $insensitive_borders_color;
+    background-image: image($insensitive_bg_color);
+  }
+
+  // Yaru changes: remove border and scaling into menus
+  @if $t==menu {
+   //transform: scale(0.8);
+   //border-width: 1.2px;
+   border-color: transparent;
+   box-shadow: none;
+   background-image: image(transparent);
+   color: $tc;
+  }
+
+  @if $t==menu-active {
+   //transform: scale(0.8);
+   //border-width: 1.2px;
+   border-color: transparent;
+   color: $tc;
+   box-shadow: none;
+   background-image: image(transparent);
+  }
+}