libdecor: update to upstream commit c2bd8ad6 (31-may-2024)

4 files changed, 73 insertions, 14 deletions

diff --git a/libdecor/src/cursor-settings.c b/libdecor/src/desktop-settings.c
index 75c42d194..28067ac3e 100644
--- a/libdecor/src/cursor-settings.c
+++ b/libdecor/src/desktop-settings.c
@@ -1,5 +1,6 @@
 /*
  * Copyright © 2019 Christian Rauch
+ * Copyright © 2024 Colin Kinloch
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
@@ -23,10 +24,11 @@
  * SOFTWARE.
  */
 
-#include "cursor-settings.h"
+#include "desktop-settings.h"
 #include <stdlib.h>
 #include <string.h>
 #include <stdbool.h>
+#include <stdint.h>
 #include "config.h"
 
 static bool
@@ -164,10 +166,48 @@ libdecor_get_cursor_settings(char **theme, int *size)
 fallback:
 	return get_cursor_settings_from_env(theme, size);
 }
+
+enum libdecor_color_scheme
+libdecor_get_color_scheme()
+{
+	static const char name[] = "org.freedesktop.appearance";
+	static const char key_color_scheme[] = "color-scheme";
+	uint32_t color = 0;
+
+	DBusError error;
+	DBusConnection *connection;
+	DBusMessage *reply;
+
+	dbus_error_init(&error);
+
+	connection = dbus_bus_get(DBUS_BUS_SESSION, &error);
+
+	if (dbus_error_is_set(&error))
+		return 0;
+
+	reply = get_setting_sync(connection, name, key_color_scheme);
+	if (!reply)
+		return 0;
+
+	if (!parse_type(reply, DBUS_TYPE_UINT32, &color)) {
+		dbus_message_unref(reply);
+		return 0;
+	}
+
+	dbus_message_unref(reply);
+
+	return color;
+}
 #else
 bool
 libdecor_get_cursor_settings(char **theme, int *size)
 {
 	return get_cursor_settings_from_env(theme, size);
 }
+
+uint32_t
+libdecor_get_color_scheme()
+{
+	return LIBDECOR_COLOR_SCHEME_DEFAULT;
+}
 #endif
diff --git a/libdecor/src/cursor-settings.h b/libdecor/src/desktop-settings.h
index 0cc1cb6bf..5747d3168 100644
--- a/libdecor/src/cursor-settings.h
+++ b/libdecor/src/desktop-settings.h
@@ -1,5 +1,6 @@
 /*
  * Copyright © 2019 Christian Rauch
+ * Copyright © 2024 Colin Kinloch
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
@@ -27,5 +28,14 @@
 
 #include <stdbool.h>
 
+enum libdecor_color_scheme {
+	LIBDECOR_COLOR_SCHEME_DEFAULT,
+	LIBDECOR_COLOR_SCHEME_PREFER_DARK,
+	LIBDECOR_COLOR_SCHEME_PREFER_LIGHT,
+};
+
 bool
 libdecor_get_cursor_settings(char **theme, int *size);
+
+enum libdecor_color_scheme
+libdecor_get_color_scheme();
diff --git a/libdecor/src/plugins/cairo/libdecor-cairo.c b/libdecor/src/plugins/cairo/libdecor-cairo.c
index 30f6f8720..5978d431d 100644
--- a/libdecor/src/plugins/cairo/libdecor-cairo.c
+++ b/libdecor/src/plugins/cairo/libdecor-cairo.c
@@ -39,7 +39,7 @@
 
 #include "libdecor-plugin.h"
 #include "utils.h"
-#include "cursor-settings.h"
+#include "desktop-settings.h"
 #include "os-compatibility.h"
 
 #include <cairo/cairo.h>
diff --git a/libdecor/src/plugins/gtk/libdecor-gtk.c b/libdecor/src/plugins/gtk/libdecor-gtk.c
index de6ec90c6..7ce38ddc6 100644
--- a/libdecor/src/plugins/gtk/libdecor-gtk.c
+++ b/libdecor/src/plugins/gtk/libdecor-gtk.c
@@ -38,7 +38,7 @@
 
 #include "libdecor-plugin.h"
 #include "utils.h"
-#include "cursor-settings.h"
+#include "desktop-settings.h"
 #include "os-compatibility.h"
 
 #include <cairo/cairo.h>
@@ -338,6 +338,8 @@ struct libdecor_plugin_gtk {
 	char *cursor_theme_name;
 	int cursor_size;
 
+	uint32_t color_scheme_setting;
+
 	int double_click_time_ms;
 	int drag_threshold;
 };
@@ -2246,16 +2248,16 @@ handle_titlebar_gesture(struct libdecor_frame_gtk *frame_gtk,
 		break;
 	case TITLEBAR_GESTURE_MIDDLE_CLICK:
 		break;
-        case TITLEBAR_GESTURE_RIGHT_CLICK: { /* FLTK */
-            const int title_height = gtk_widget_get_allocated_height(frame_gtk->header);
-            
-            libdecor_frame_show_window_menu(&frame_gtk->frame,
-                                            seat->wl_seat,
-                                            serial,
-                                            seat->pointer_x,
-                                            seat->pointer_y
-                                            -title_height);
-          } /* FLTK */
+	case TITLEBAR_GESTURE_RIGHT_CLICK:
+		{
+		const int title_height = gtk_widget_get_allocated_height(frame_gtk->header);
+		libdecor_frame_show_window_menu(&frame_gtk->frame,
+						seat->wl_seat,
+						serial,
+						seat->pointer_x,
+						seat->pointer_y
+						-title_height);
+		}
 		break;
 	}
 }
@@ -2410,7 +2412,7 @@ pointer_button(void *data,
 		handle_button_on_header (frame_gtk, seat, serial, time, button, state);
 		break;
 	default:
-                break;  /* FLTK */
+		break;
 	}
 }
 
@@ -2930,6 +2932,8 @@ libdecor_plugin_new(struct libdecor *context)
 		plugin_gtk->cursor_size = 24;
 	}
 
+	plugin_gtk->color_scheme_setting = libdecor_get_color_scheme();
+
 	wl_display = libdecor_get_wl_display(context);
 	plugin_gtk->wl_registry = wl_display_get_registry(wl_display);
 	wl_registry_add_listener(plugin_gtk->wl_registry,
@@ -2958,6 +2962,11 @@ libdecor_plugin_new(struct libdecor *context)
 		return NULL;
 	}
 
+	g_object_set(gtk_settings_get_default(),
+		     "gtk-application-prefer-dark-theme",
+		     plugin_gtk->color_scheme_setting == LIBDECOR_COLOR_SCHEME_PREFER_DARK,
+		     NULL);
+
 	return &plugin_gtk->plugin;
 }