From 6aba71c9d0dc9d5d7fcb0d4147af566351f9dfe6 Mon Sep 17 00:00:00 2001
From: esoleyman <emil@soleyman.com>
Date: Wed, 5 Aug 2020 16:51:55 -0500
Subject: [PATCH 1/2] Follow shell theme

Cheese can be used with either light or dark themes. Remove code
commited in a70c15c2.
---
 src/cheese-application.vala | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/src/cheese-application.vala b/src/cheese-application.vala
index d14571cf..170889c9 100644
--- a/src/cheese-application.vala
+++ b/src/cheese-application.vala
@@ -100,14 +100,6 @@ public class Cheese.Application : Gtk.Application
     {
         if (this.get_windows () == null)
         {
-            // Prefer a dark GTK+ theme, bug 660628.
-            var gtk_settings = Gtk.Settings.get_default ();
-
-            if (gtk_settings != null)
-            {
-                gtk_settings.gtk_application_prefer_dark_theme = true;
-            }
-
             main_window = new Cheese.MainWindow (this);
 
             Environment.set_variable ("PULSE_PROP_media.role", "production",
-- 
GitLab


From 056601d208e8f70e99c9af3d2c5a39d02c738641 Mon Sep 17 00:00:00 2001
From: esoleyman <emil@soleyman.com>
Date: Wed, 5 Aug 2020 21:51:22 -0500
Subject: [PATCH 2/2] UI toggle to set dark theme

Allow the user to prefer a dark theme for the application. This will
override the desktop theme settings if set to a light variant and give
the application a dark theme.

Fixes #56.
---
 data/cheese-prefs.ui              | 29 +++++++++++++++++++++++++++++
 data/org.gnome.Cheese.gschema.xml |  6 ++++++
 src/cheese-preferences.vala       | 28 ++++++++++++++++++++++++++++
 3 files changed, 63 insertions(+)

diff --git a/data/cheese-prefs.ui b/data/cheese-prefs.ui
index 44bddf92..42ebad8e 100644
--- a/data/cheese-prefs.ui
+++ b/data/cheese-prefs.ui
@@ -490,6 +490,35 @@
                 <property name="tab_fill">False</property>
               </packing>
             </child>
+            <child>
+              <object class="GtkCheckButton" id="enable_dark_theme">
+                <property name="label" translatable="yes">Enable _dark theme</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="receives_default">False</property>
+                <property name="halign">start</property>
+                <property name="valign">start</property>
+                <property name="margin_left">9</property>
+                <property name="margin_top">12</property>
+                <property name="use_underline">True</property>
+                <property name="draw_indicator">True</property>
+                <signal name="toggled" handler="on_enable_dark_theme_toggled" swapped="no"/>
+              </object>
+              <packing>
+                <property name="position">3</property>
+              </packing>
+            </child>
+            <child type="tab">
+              <object class="GtkLabel">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes">Appearance</property>
+              </object>
+              <packing>
+                <property name="position">3</property>
+                <property name="tab_fill">False</property>
+              </packing>
+            </child>
           </object>
           <packing>
             <property name="expand">False</property>
diff --git a/data/org.gnome.Cheese.gschema.xml b/data/org.gnome.Cheese.gschema.xml
index 7275b5e5..9368b4be 100644
--- a/data/org.gnome.Cheese.gschema.xml
+++ b/data/org.gnome.Cheese.gschema.xml
@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <schemalist gettext-domain="cheese">
   <schema id='org.gnome.Cheese' path='/org/gnome/cheese/'>
+    <key type='b' name='enable-dark-theme'>
+      <summary>Enable a dark theme</summary>
+      <description>Set to true to always prefer a dark theme</description>
+      <default>false</default>
+    </key>
+
     <key type='b' name='countdown'>
       <summary>Use a countdown</summary>
       <description>Set to true to show a countdown before taking a photo</description>
diff --git a/src/cheese-preferences.vala b/src/cheese-preferences.vala
index f56af7e0..081453bb 100644
--- a/src/cheese-preferences.vala
+++ b/src/cheese-preferences.vala
@@ -55,6 +55,8 @@ public class Cheese.PreferencesDialog : Gtk.Dialog
     private Gtk.CheckButton countdown_check;
     [GtkChild]
     private Gtk.CheckButton flash_check;
+    [GtkChild]
+    private Gtk.CheckButton enable_dark_theme;
   
     private MediaMode current_mode;
 
@@ -178,6 +180,8 @@ public PreferencesDialog (Cheese.Camera camera)
                        SettingsBindFlags.DEFAULT);
         settings.bind ("flash", flash_check, "active",
                        SettingsBindFlags.DEFAULT);
+        settings.bind ("enable-dark-theme", enable_dark_theme, "active",
+                       SettingsBindFlags.DEFAULT);
     }
 
   /**
@@ -351,6 +355,30 @@ public PreferencesDialog (Cheese.Camera camera)
     settings.set_double ("saturation", adjustment.value);
   }
 
+  /**
+   * Prefer the dark theme when checked and prefer the desktop theme when 
+   * unchecked
+   * 
+   * @param checkbutton The enable dark theme check button
+   */
+  [GtkCallback]
+  private void on_enable_dark_theme_toggled (Gtk.ToggleButton checkbutton)
+  {
+    var active = checkbutton.get_active();
+    var gtk_settings = Gtk.Settings.get_default ();
+
+    if (active == true)
+    {
+      gtk_settings.set("gtk-application-prefer-dark-theme", true);
+    }
+    else 
+    {
+      gtk_settings.set("gtk-application-prefer-dark-theme", false);
+    }
+
+    settings.set_boolean ("enable-dark-theme", active);
+  }
+
   /**
    * Update the video device combo box when a camera device was added or
    * removed.
-- 
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