[libadwaita/wip/exalm/background-colors: 2/2] stylesheet: Split base and defaults




commit 44766fcefa91e78fb569b7d6b5524d516cc40dee
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Tue Oct 19 14:29:26 2021 +0500

    stylesheet: Split base and defaults
    
    Now that everything has been cleaned up, we can split it into a base part
    that varies with regular/HC but not colors; and the defaults part that
    varies for light/dark but not HC, with the eventual goal of generating
    defaults programmatically.

 src/adw-style-manager.c                            | 35 +++++++++++++++-------
 src/stylesheet/Adwaita-hc.scss                     | 10 -------
 src/stylesheet/Adwaita-light.scss                  | 16 ----------
 src/stylesheet/adwaita-stylesheet.gresources.xml   |  8 ++---
 .../{Adwaita-hc-dark.scss => base-hc.scss}         |  2 --
 src/stylesheet/{Adwaita-dark.scss => base.scss}    |  2 --
 src/stylesheet/defaults-dark.scss                  |  4 +++
 src/stylesheet/defaults-light.scss                 |  4 +++
 src/stylesheet/meson.build                         | 24 +++++++--------
 9 files changed, 48 insertions(+), 57 deletions(-)
---
diff --git a/src/adw-style-manager.c b/src/adw-style-manager.c
index 49530b59..f9d79144 100644
--- a/src/adw-style-manager.c
+++ b/src/adw-style-manager.c
@@ -54,6 +54,7 @@ struct _AdwStyleManager
   GdkDisplay *display;
   AdwSettings *settings;
   GtkCssProvider *provider;
+  GtkCssProvider *colors_provider;
 
   AdwColorScheme color_scheme;
   gboolean dark;
@@ -129,8 +130,6 @@ enable_animations_cb (AdwStyleManager *self)
 static void
 update_stylesheet (AdwStyleManager *self)
 {
-  const char *variant;
-  g_autofree char *stylesheet_path = NULL;
   GtkSettings *gtk_settings;
   gboolean enable_animations;
 
@@ -139,13 +138,6 @@ update_stylesheet (AdwStyleManager *self)
 
   gtk_settings = gtk_settings_get_for_display (self->display);
 
-  if (adw_settings_get_high_contrast (self->settings))
-    variant = self->dark ? "hc-dark" : "hc";
-  else
-    variant = self->dark ? "dark" : "light";
-
-  stylesheet_path = g_strdup_printf ("/org/gnome/Adwaita/styles/Adwaita-%s.css", variant);
-
   if (self->animation_timeout_id) {
     g_clear_handle_id (&self->animation_timeout_id, g_source_remove);
     enable_animations = TRUE;
@@ -159,8 +151,23 @@ update_stylesheet (AdwStyleManager *self)
                 "gtk-enable-animations", FALSE,
                 NULL);
 
-  if (self->provider)
-    gtk_css_provider_load_from_resource (self->provider, stylesheet_path);
+  if (self->provider) {
+    if (adw_settings_get_high_contrast (self->settings))
+      gtk_css_provider_load_from_resource (self->provider,
+                                           "/org/gnome/Adwaita/styles/base-hc.css");
+    else
+      gtk_css_provider_load_from_resource (self->provider,
+                                           "/org/gnome/Adwaita/styles/base.css");
+  }
+
+  if (self->colors_provider) {
+    if (self->dark)
+      gtk_css_provider_load_from_resource (self->colors_provider,
+                                           "/org/gnome/Adwaita/styles/defaults-dark.css");
+    else
+      gtk_css_provider_load_from_resource (self->colors_provider,
+                                           "/org/gnome/Adwaita/styles/defaults-light.css");
+  }
 
   if (enable_animations) {
     self->animation_timeout_id =
@@ -255,6 +262,11 @@ adw_style_manager_constructed (GObject *object)
       gtk_style_context_add_provider_for_display (self->display,
                                                   GTK_STYLE_PROVIDER (self->provider),
                                                   GTK_STYLE_PROVIDER_PRIORITY_THEME);
+
+      self->colors_provider = gtk_css_provider_new ();
+      gtk_style_context_add_provider_for_display (self->display,
+                                                  GTK_STYLE_PROVIDER (self->colors_provider),
+                                                  GTK_STYLE_PROVIDER_PRIORITY_THEME);
     }
   }
 
@@ -287,6 +299,7 @@ adw_style_manager_dispose (GObject *object)
 
   g_clear_handle_id (&self->animation_timeout_id, g_source_remove);
   g_clear_object (&self->provider);
+  g_clear_object (&self->colors_provider);
 
   G_OBJECT_CLASS (adw_style_manager_parent_class)->dispose (object);
 }
diff --git a/src/stylesheet/adwaita-stylesheet.gresources.xml 
b/src/stylesheet/adwaita-stylesheet.gresources.xml
index 2ce9f66b..de729398 100644
--- a/src/stylesheet/adwaita-stylesheet.gresources.xml
+++ b/src/stylesheet/adwaita-stylesheet.gresources.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <gresources>
   <gresource prefix="/org/gnome/Adwaita/styles">
-    <file>Adwaita-light.css</file>
-    <file>Adwaita-dark.css</file>
-    <file>Adwaita-hc.css</file>
-    <file>Adwaita-hc-dark.css</file>
+    <file>base.css</file>
+    <file>base-hc.css</file>
+    <file>defaults-light.css</file>
+    <file>defaults-dark.css</file>
 
     <file>assets/bullet-symbolic.symbolic.png</file>
     <file>assets/bullet 2-symbolic symbolic png</file>
diff --git a/src/stylesheet/Adwaita-hc-dark.scss b/src/stylesheet/base-hc.scss
similarity index 78%
rename from src/stylesheet/Adwaita-hc-dark.scss
rename to src/stylesheet/base-hc.scss
index c14fd2bd..278e5379 100644
--- a/src/stylesheet/Adwaita-hc-dark.scss
+++ b/src/stylesheet/base-hc.scss
@@ -1,8 +1,6 @@
-$variant: 'dark';
 $contrast: 'high';
 
 @import 'palette';
-@import 'defaults';
 @import 'functions';
 @import 'colors';
 @import 'drawing';
diff --git a/src/stylesheet/Adwaita-dark.scss b/src/stylesheet/base.scss
similarity index 78%
rename from src/stylesheet/Adwaita-dark.scss
rename to src/stylesheet/base.scss
index 6881aee1..ffba5eac 100644
--- a/src/stylesheet/Adwaita-dark.scss
+++ b/src/stylesheet/base.scss
@@ -1,8 +1,6 @@
-$variant: 'dark';
 $contrast: 'normal';
 
 @import 'palette';
-@import 'defaults';
 @import 'functions';
 @import 'colors';
 @import 'drawing';
diff --git a/src/stylesheet/defaults-dark.scss b/src/stylesheet/defaults-dark.scss
new file mode 100644
index 00000000..efedf11b
--- /dev/null
+++ b/src/stylesheet/defaults-dark.scss
@@ -0,0 +1,4 @@
+$variant: 'dark';
+
+@import 'palette';
+@import 'defaults';
diff --git a/src/stylesheet/defaults-light.scss b/src/stylesheet/defaults-light.scss
new file mode 100644
index 00000000..c664b903
--- /dev/null
+++ b/src/stylesheet/defaults-light.scss
@@ -0,0 +1,4 @@
+$variant: 'light';
+
+@import 'palette';
+@import 'defaults';
diff --git a/src/stylesheet/meson.build b/src/stylesheet/meson.build
index 188c1740..2c0fa82c 100644
--- a/src/stylesheet/meson.build
+++ b/src/stylesheet/meson.build
@@ -3,7 +3,7 @@ fs = import('fs')
 stylesheet_deps = []
 
 # For git checkouts, but not for tarballs...
-if not fs.exists('Adwaita-light.css')
+if not fs.exists('base.css')
   sassc = find_program('sassc', required: false)
   if not sassc.found()
     subproject('sassc')
@@ -13,7 +13,7 @@ if not fs.exists('Adwaita-light.css')
   if sassc.found()
     sassc_opts = [ '-a', '-M', '-t', 'compact' ]
 
-    scss_files = files([
+    scss_deps = files([
       '_colors.scss',
       '_common.scss',
       '_compat-colors.scss',
@@ -65,21 +65,21 @@ if not fs.exists('Adwaita-light.css')
       'widgets/_window.scss',
     ])
 
-    theme_variants = [
-      'light',
-      'dark',
-      'hc',
-      'hc-dark',
+    scss_files = [
+      'base',
+      'base-hc',
+      'defaults-light',
+      'defaults-dark',
     ]
 
-    foreach variant: theme_variants
-      stylesheet_deps += custom_target('Stylesheet variant: ' + variant,
-        input: 'Adwaita-@0@.scss'.format(variant),
-        output: 'Adwaita-@0@.css'.format(variant),
+    foreach scss: scss_files
+      stylesheet_deps += custom_target('@0@.scss'.format(scss),
+        input: '@0@.scss'.format(scss),
+        output: '@0@.css'.format(scss),
         command: [
           sassc, sassc_opts, '@INPUT@', '@OUTPUT@',
         ],
-        depend_files: scss_files,
+        depend_files: scss_deps,
       )
     endforeach
   endif


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