[gtk+] Adwaita: centralize outline-color

[Lapo Calamandrei <lapo src gnome org>]

commit a0ee8f7f0a511f251da050a430da5ec93d7a1396
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Wed Jun 8 13:28:07 2016 +0200

    Adwaita: centralize outline-color
    
    define outline-color generally using alpha(currentColor, 0.3),
    which avoids setting it in a bunch of different places.

 gtk/theme/Adwaita/_common.scss           |    7 +------
 gtk/theme/Adwaita/gtk-contained-dark.css |    7 ++-----
 gtk/theme/Adwaita/gtk-contained.css      |   10 +++-------
 3 files changed, 6 insertions(+), 18 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 0b37b2b..0b43829 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -31,7 +31,7 @@ $button_transition: all 200ms $ease-out-quad;
   // to the adwaita engine: using real CSS properties is faster,
   // and we don't use any outlines for now.
 
-  outline-color: transparentize($fg_color, 0.7);
+  outline-color: gtkalpha(currentColor, 0.3);
   outline-style: dashed;
   outline-offset: -3px;
   outline-width: 1px;
@@ -206,7 +206,6 @@ assistant {
   border: none;
   background-color: $osd_bg_color;
   background-clip: padding-box;
-  outline-color: transparentize($osd_fg_color, 0.7);
   text-shadow: 0 1px black;
   -gtk-icon-shadow: 0 1px black;
 
@@ -557,7 +556,6 @@ button {
 
     color: $osd_fg_color;
     border-radius: 5px;
-    outline-color: transparentize($osd_fg_color, 0.7);  //FIXME: define a color var?
 
     @include button(osd);
 
@@ -2736,7 +2734,6 @@ treeview.view radio:selected { &:focus, & { @extend %radio; }} // This is a work
   .osd & {
     border-color: $osd_borders_color;
     background-color: transparentize($osd_borders_color, 0.2);
-    outline-color: transparentize($osd_fg_color, 0.8);
 
     &:disabled { background-color: $osd_insensitive_bg_color; }
   }
@@ -4219,8 +4216,6 @@ headerbar.selection-mode button.titlebutton,
   @at-root %nobg_selected_items, & {
     color: $selected_fg_color;
 
-    @if $variant == 'light' { outline-color: transparentize($selected_fg_color, 0.7); }
-
     &:disabled { color: mix($selected_fg_color, $selected_bg_color, 50%); }
 
     &:backdrop {
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 80e02c0..257f9a0 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -8,7 +8,7 @@
   -GtkWidget-text-handle-height: 24;
   -GtkDialog-button-spacing: 4;
   -GtkDialog-action-area-border: 0;
-  outline-color: rgba(238, 238, 236, 0.3);
+  outline-color: alpha(currentColor,0.3);
   outline-style: dashed;
   outline-offset: -3px;
   outline-width: 1px;
@@ -131,7 +131,6 @@ assistant .sidebar label.highlight {
   border: none;
   background-color: rgba(28, 31, 32, 0.7);
   background-clip: padding-box;
-  outline-color: rgba(238, 238, 236, 0.3);
   text-shadow: 0 1px black;
   -gtk-icon-shadow: 0 1px black; }
   popover.background.touch-selection:backdrop, popover.background.magnifier:backdrop, 
popover.background.osd:backdrop, .app-notification:backdrop, .osd .scale-popup:backdrop,
@@ -594,7 +593,6 @@ button.osd {
   min-height: 32px;
   color: #eeeeec;
   border-radius: 5px;
-  outline-color: rgba(238, 238, 236, 0.3);
   color: #eeeeec;
   border-color: rgba(0, 0, 0, 0.7);
   background-color: transparent;
@@ -3091,8 +3089,7 @@ scale trough, scale fill, progressbar trough {
     border-color: #0f2b48; }
   .osd scale trough, scale .osd trough, .osd scale fill, scale .osd fill, .osd progressbar trough, 
progressbar .osd trough {
     border-color: rgba(0, 0, 0, 0.7);
-    background-color: rgba(0, 0, 0, 0.5);
-    outline-color: rgba(238, 238, 236, 0.2); }
+    background-color: rgba(0, 0, 0, 0.5); }
     .osd scale trough:disabled, scale .osd trough:disabled, .osd scale fill:disabled, scale .osd 
fill:disabled, .osd progressbar trough:disabled, progressbar .osd trough:disabled {
       background-color: rgba(49, 52, 52, 0.5); }
 
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index 75dd874..25e454d 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -8,7 +8,7 @@
   -GtkWidget-text-handle-height: 24;
   -GtkDialog-button-spacing: 4;
   -GtkDialog-action-area-border: 0;
-  outline-color: rgba(46, 52, 54, 0.3);
+  outline-color: alpha(currentColor,0.3);
   outline-style: dashed;
   outline-offset: -3px;
   outline-width: 1px;
@@ -131,7 +131,6 @@ assistant .sidebar label.highlight {
   border: none;
   background-color: rgba(28, 31, 32, 0.7);
   background-clip: padding-box;
-  outline-color: rgba(238, 238, 236, 0.3);
   text-shadow: 0 1px black;
   -gtk-icon-shadow: 0 1px black; }
   popover.background.touch-selection:backdrop, popover.background.magnifier:backdrop, 
popover.background.osd:backdrop, .app-notification:backdrop, .osd .scale-popup:backdrop,
@@ -597,7 +596,6 @@ button.osd {
   min-height: 32px;
   color: #eeeeec;
   border-radius: 5px;
-  outline-color: rgba(238, 238, 236, 0.3);
   color: #eeeeec;
   border-color: rgba(0, 0, 0, 0.7);
   background-color: transparent;
@@ -3120,8 +3118,7 @@ scale trough, scale fill, progressbar trough {
     border-color: #184472; }
   .osd scale trough, scale .osd trough, .osd scale fill, scale .osd fill, .osd progressbar trough, 
progressbar .osd trough {
     border-color: rgba(0, 0, 0, 0.7);
-    background-color: rgba(0, 0, 0, 0.5);
-    outline-color: rgba(238, 238, 236, 0.2); }
+    background-color: rgba(0, 0, 0, 0.5); }
     .osd scale trough:disabled, scale .osd trough:disabled, .osd scale fill:disabled, scale .osd 
fill:disabled, .osd progressbar trough:disabled, progressbar .osd trough:disabled {
       background-color: rgba(49, 52, 52, 0.5); }
 
@@ -4642,8 +4639,7 @@ popover.background radiobutton:selected,
   entry selection, modelbutton.flat:selected, popover.background checkbutton:selected,
   popover.background radiobutton:selected,
   .menuitem.button.flat:selected, treeview.view:selected:focus, treeview.view:selected, row:selected, 
calendar:selected {
-    color: #ffffff;
-    outline-color: rgba(255, 255, 255, 0.3); }
+    color: #ffffff; }
     row:selected label:disabled, label:disabled:selected, .selection-mode button.titlebutton:disabled, 
iconview:disabled:selected:focus, .view:disabled:selected, iconview:disabled:selected,
     iconview text:disabled:selected:focus,
     textview text:disabled:selected:focus,