[gtk/gtk-3-24: 1/2] Adwaita: Fix syntax error in cross-fade()

[Matthias Clasen <matthiasc src gnome org>]

commit 404f4c6627c94964b87a64cb25603abf64c03f73
Author: nana-4 <hnmaigo gmail com>
Date:   Tue Jan 14 06:21:17 2020 +0900

    Adwaita: Fix syntax error in cross-fade()
    
    cross-fade() requires two images.
    
    Fixes https://gitlab.gnome.org/GNOME/gtk/issues/2371

 gtk/theme/Adwaita/_common.scss           | 6 +++---
 gtk/theme/Adwaita/gtk-contained-dark.css | 4 ++--
 gtk/theme/Adwaita/gtk-contained.css      | 4 ++--
 3 files changed, 7 insertions(+), 7 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index dbeb5c31ed..6fbb0f04b1 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -1847,11 +1847,11 @@ headerbar { // headerbar border rounding
 window.devel {
   headerbar.titlebar:not(.selection-mode) {
     $c: darken($bg_color, 10%);
-    $gradient: cross-fade(10% -gtk-icontheme("system-run-symbolic")) 90% 0/256px 256px no-repeat,
+    $gradient: cross-fade(10% -gtk-icontheme("system-run-symbolic"), image(transparent)) 90% 0/256px 256px 
no-repeat,
                linear-gradient(to right, transparent 65%, transparentize($selected_bg_color, 0.8)),
                linear-gradient(to top, darken($c, 3%), $c 3px, lighten($c, 6%));
     @if $variant == 'dark' {
-      $gradient: cross-fade(10% -gtk-icontheme("system-run-symbolic")) 90% 0/256px 256px no-repeat,
+      $gradient: cross-fade(10% -gtk-icontheme("system-run-symbolic"), image(transparent)) 90% 0/256px 256px 
no-repeat,
                  linear-gradient(to right, transparent 65%, transparentize($selected_bg_color, 0.9)),
                  linear-gradient(to top, lighten($c, 3%) 3px, lighten($c, 5%));
     }
@@ -1859,7 +1859,7 @@ window.devel {
     background: $bg_color $gradient;
 
     &:backdrop {
-      background: $bg_color cross-fade(10% -gtk-icontheme("system-run-symbolic")) 90% 0/256px 256px 
no-repeat,
+      background: $bg_color cross-fade(10% -gtk-icontheme("system-run-symbolic"), image(transparent)) 90% 
0/256px 256px no-repeat,
                   image($bg_color); /* background-color would flash */
     }
   }
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 1a18c84305..54170f090e 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -635,9 +635,9 @@ window.csd > .titlebar:not(headerbar) { padding: 0; background-color: transparen
 
 .titlebar:not(headerbar) separator { background-color: #1b1b1b; }
 
-window.devel headerbar.titlebar:not(.selection-mode) { background: #353535 cross-fade(10% 
-gtk-icontheme("system-run-symbolic")) 90% 0/256px 256px no-repeat, linear-gradient(to right, transparent 
65%, rgba(21, 83, 158, 0.1)), linear-gradient(to top, #232323 3px, #282828); }
+window.devel headerbar.titlebar:not(.selection-mode) { background: #353535 cross-fade(10% 
-gtk-icontheme("system-run-symbolic"), image(transparent)) 90% 0/256px 256px no-repeat, linear-gradient(to 
right, transparent 65%, rgba(21, 83, 158, 0.1)), linear-gradient(to top, #232323 3px, #282828); }
 
-window.devel headerbar.titlebar:not(.selection-mode):backdrop { background: #353535 cross-fade(10% 
-gtk-icontheme("system-run-symbolic")) 90% 0/256px 256px no-repeat, image(#353535); /* background-color would 
flash */ }
+window.devel headerbar.titlebar:not(.selection-mode):backdrop { background: #353535 cross-fade(10% 
-gtk-icontheme("system-run-symbolic"), image(transparent)) 90% 0/256px 256px no-repeat, image(#353535); /* 
background-color would flash */ }
 
 /************ Pathbars * */
 .path-bar button.text-button, .path-bar button.image-button, .path-bar button { padding-left: 4px; 
padding-right: 4px; }
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index 91ddb93660..6ce84fa5c2 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -643,9 +643,9 @@ window.csd > .titlebar:not(headerbar) { padding: 0; background-color: transparen
 
 .titlebar:not(headerbar) separator { background-color: #cdc7c2; }
 
-window.devel headerbar.titlebar:not(.selection-mode) { background: #f6f5f4 cross-fade(10% 
-gtk-icontheme("system-run-symbolic")) 90% 0/256px 256px no-repeat, linear-gradient(to right, transparent 
65%, rgba(53, 132, 228, 0.2)), linear-gradient(to top, #d8d4d0, #dfdcd8 3px, #edebe9); }
+window.devel headerbar.titlebar:not(.selection-mode) { background: #f6f5f4 cross-fade(10% 
-gtk-icontheme("system-run-symbolic"), image(transparent)) 90% 0/256px 256px no-repeat, linear-gradient(to 
right, transparent 65%, rgba(53, 132, 228, 0.2)), linear-gradient(to top, #d8d4d0, #dfdcd8 3px, #edebe9); }
 
-window.devel headerbar.titlebar:not(.selection-mode):backdrop { background: #f6f5f4 cross-fade(10% 
-gtk-icontheme("system-run-symbolic")) 90% 0/256px 256px no-repeat, image(#f6f5f4); /* background-color would 
flash */ }
+window.devel headerbar.titlebar:not(.selection-mode):backdrop { background: #f6f5f4 cross-fade(10% 
-gtk-icontheme("system-run-symbolic"), image(transparent)) 90% 0/256px 256px no-repeat, image(#f6f5f4); /* 
background-color would flash */ }
 
 /************ Pathbars * */
 .path-bar button.text-button, .path-bar button.image-button, .path-bar button { padding-left: 4px; 
padding-right: 4px; }