add option to disable transparency

README.md

@@ -75,6 +75,7 @@ Other options to pass to autogen.sh are
     --disable-metacity         disable Metacity support
     --disable-unity            disable Unity support
     --disable-xfwm             disable XFWM support
+    --disable-transparency     disable transparency in the GTK3 theme
 
     --with-gnome=<version>     build the theme for a specific Gnome version (3.14, 3.16)
                                Note: Normally the correct version is detected automatically and this

common/Makefile.am

@@ -26,6 +26,11 @@ if ENABLE_GTK3
 		*.sh \
 		*.txt \
 		Gemfile*
+
+if !ENABLE_TRANSPARENCY
+	cd $(ithemedir)/gtk-3.0 && mv gtk-contained-solid.css gtk-contained.css
+endif #!ENABLE_TRANSPARENCY
+
 endif # ENABLE_GTK3
 
 

common/gtk-3.0/3.14/_colors.scss

@@ -47,10 +47,10 @@ $entry_focus_border: $selected_bg_color;
 $button_bg: lighten($bg_color, 1%);
 $button_border: $entry_border;
 
-$header_bg: transparentize(#e7e8eb, 0.05);
+$header_bg: if($transparency == 'true', transparentize(#e7e8eb, 0.05), #e7e8eb);
 $header_fg: saturate(transparentize($fg_color, 0.2), 10%);
 
-$dark_sidebar_bg: $osd_bg_color;
+$dark_sidebar_bg: if($transparency == 'true', $osd_bg_color, opacify($osd_bg_color, 1));
 $dark_sidebar_fg: $osd_fg_color;
 $dark_sidebar_border: $dark_sidebar_bg;
 

common/gtk-3.0/3.14/gtk-contained-solid.scss

@@ -0,0 +1,15 @@
+// General guidelines:
+// - very unlikely you want to edit something else than _common.scss
+// - keep the number of defined colors to a minimum, use the color blending functions if
+//   you need a subtle shade
+
+$transparency: 'false';
+
+@import 'colors';
+@import 'drawing';
+@import 'common';
+@import 'applications';
+@import 'unity';
+@import 'granite';
+@import 'transparent_widgets';
+@import 'colors-public';

common/gtk-3.0/3.14/gtk-contained.scss

@@ -3,6 +3,8 @@
 // - keep the number of defined colors to a minimum, use the color blending functions if
 //   you need a subtle shade
 
+$transparency: 'true';
+
 @import 'colors';
 @import 'drawing';
 @import 'common';

common/gtk-3.0/3.16/_colors.scss

@@ -47,10 +47,10 @@ $entry_focus_border: $selected_bg_color;
 $button_bg: lighten($bg_color, 1%);
 $button_border: $entry_border;
 
-$header_bg: transparentize(#e7e8eb, 0.05);
+$header_bg: if($transparency == 'true', transparentize(#e7e8eb, 0.05), #e7e8eb);
 $header_fg: saturate(transparentize($fg_color, 0.2), 10%);
 
-$dark_sidebar_bg: $osd_bg_color;
+$dark_sidebar_bg: if($transparency == 'true', $osd_bg_color, opacify($osd_bg_color, 1));
 $dark_sidebar_fg: $osd_fg_color;
 $dark_sidebar_border: $dark_sidebar_bg;
 

common/gtk-3.0/3.16/gtk-contained-solid.scss

@@ -0,0 +1,15 @@
+// General guidelines:
+// - very unlikely you want to edit something else than _common.scss
+// - keep the number of defined colors to a minimum, use the color blending functions if
+//   you need a subtle shade
+
+$transparency: 'false';
+
+@import 'colors';
+@import 'drawing';
+@import 'common';
+@import 'applications';
+@import 'unity';
+@import 'granite';
+@import 'transparent_widgets';
+@import 'colors-public';

common/gtk-3.0/3.16/gtk-contained.scss

@@ -3,6 +3,8 @@
 // - keep the number of defined colors to a minimum, use the color blending functions if
 //   you need a subtle shade
 
+$transparency: 'true';
+
 @import 'colors';
 @import 'drawing';
 @import 'common';

configure.ac

@@ -18,6 +18,7 @@ ARC_ENABLE([GTK3],        [gtk3],        [GTK3],         [disable])
 ARC_ENABLE([METACITY],      [metacity],      [Metacity],      [disable])
 ARC_ENABLE([UNITY],         [unity],         [Unity],         [disable])
 ARC_ENABLE([XFWM],          [xfwm],          [XFWM],          [disable])
+ARC_ENABLE([TRANSPARENCY],  [transparency],  [transparency],  [disable])
 
 ARC_GNOME