Merge pull request #30351 from bojidar-bg/30288-override-global-theme

Keep track of default theme and project custom default theme seperatelly

scene/gui/control.cpp

@@ -850,6 +850,12 @@ Ref<Texture> Control::get_icon(const StringName &p_name, const StringName &p_typ
 			theme_owner = NULL;
 	}
 
+	if (Theme::get_project_default().is_valid()) {
+		if (Theme::get_project_default()->has_icon(p_name, type)) {
+			return Theme::get_project_default()->get_icon(p_name, type);
+		}
+	}
+
 	return Theme::get_default()->get_icon(p_name, type);
 }
 
@@ -886,6 +892,12 @@ Ref<Shader> Control::get_shader(const StringName &p_name, const StringName &p_ty
 			theme_owner = NULL;
 	}
 
+	if (Theme::get_project_default().is_valid()) {
+		if (Theme::get_project_default()->has_shader(p_name, type)) {
+			return Theme::get_project_default()->get_shader(p_name, type);
+		}
+	}
+
 	return Theme::get_default()->get_shader(p_name, type);
 }
 
@@ -925,6 +937,9 @@ Ref<StyleBox> Control::get_stylebox(const StringName &p_name, const StringName &
 	}
 
 	while (class_name != StringName()) {
+		if (Theme::get_project_default().is_valid() && Theme::get_project_default()->has_stylebox(p_name, type))
+			return Theme::get_project_default()->get_stylebox(p_name, type);
+
 		if (Theme::get_default()->has_stylebox(p_name, class_name))
 			return Theme::get_default()->get_stylebox(p_name, class_name);
 
@@ -1001,6 +1016,11 @@ Color Control::get_color(const StringName &p_name, const StringName &p_type) con
 			theme_owner = NULL;
 	}
 
+	if (Theme::get_project_default().is_valid()) {
+		if (Theme::get_project_default()->has_color(p_name, type)) {
+			return Theme::get_project_default()->get_color(p_name, type);
+		}
+	}
 	return Theme::get_default()->get_color(p_name, type);
 }
 
@@ -1036,6 +1056,11 @@ int Control::get_constant(const StringName &p_name, const StringName &p_type) co
 			theme_owner = NULL;
 	}
 
+	if (Theme::get_project_default().is_valid()) {
+		if (Theme::get_project_default()->has_constant(p_name, type)) {
+			return Theme::get_project_default()->get_constant(p_name, type);
+		}
+	}
 	return Theme::get_default()->get_constant(p_name, type);
 }
 
@@ -1106,6 +1131,11 @@ bool Control::has_icon(const StringName &p_name, const StringName &p_type) const
 			theme_owner = NULL;
 	}
 
+	if (Theme::get_project_default().is_valid()) {
+		if (Theme::get_project_default()->has_color(p_name, type)) {
+			return true;
+		}
+	}
 	return Theme::get_default()->has_icon(p_name, type);
 }
 
@@ -1140,6 +1170,11 @@ bool Control::has_shader(const StringName &p_name, const StringName &p_type) con
 			theme_owner = NULL;
 	}
 
+	if (Theme::get_project_default().is_valid()) {
+		if (Theme::get_project_default()->has_shader(p_name, type)) {
+			return true;
+		}
+	}
 	return Theme::get_default()->has_shader(p_name, type);
 }
 bool Control::has_stylebox(const StringName &p_name, const StringName &p_type) const {
@@ -1173,6 +1208,11 @@ bool Control::has_stylebox(const StringName &p_name, const StringName &p_type) c
 			theme_owner = NULL;
 	}
 
+	if (Theme::get_project_default().is_valid()) {
+		if (Theme::get_project_default()->has_stylebox(p_name, type)) {
+			return true;
+		}
+	}
 	return Theme::get_default()->has_stylebox(p_name, type);
 }
 bool Control::has_font(const StringName &p_name, const StringName &p_type) const {
@@ -1206,6 +1246,11 @@ bool Control::has_font(const StringName &p_name, const StringName &p_type) const
 			theme_owner = NULL;
 	}
 
+	if (Theme::get_project_default().is_valid()) {
+		if (Theme::get_project_default()->has_font(p_name, type)) {
+			return true;
+		}
+	}
 	return Theme::get_default()->has_font(p_name, type);
 }
 
@@ -1240,6 +1285,11 @@ bool Control::has_color(const StringName &p_name, const StringName &p_type) cons
 			theme_owner = NULL;
 	}
 
+	if (Theme::get_project_default().is_valid()) {
+		if (Theme::get_project_default()->has_color(p_name, type)) {
+			return true;
+		}
+	}
 	return Theme::get_default()->has_color(p_name, type);
 }
 
@@ -1274,6 +1324,11 @@ bool Control::has_constant(const StringName &p_name, const StringName &p_type) c
 			theme_owner = NULL;
 	}
 
+	if (Theme::get_project_default().is_valid()) {
+		if (Theme::get_project_default()->has_constant(p_name, type)) {
+			return true;
+		}
+	}
 	return Theme::get_default()->has_constant(p_name, type);
 }
 

scene/register_scene_types.cpp

@@ -752,7 +752,7 @@ void register_scene_types() {
 	if (theme_path != String()) {
 		Ref<Theme> theme = ResourceLoader::load(theme_path);
 		if (theme.is_valid()) {
-			Theme::set_default(theme);
+			Theme::set_project_default(theme);
 			if (font.is_valid()) {
 				Theme::set_default_font(font);
 			}

scene/resources/theme.cpp

@@ -32,8 +32,6 @@
 #include "core/os/file_access.h"
 #include "core/print_string.h"
 
-Ref<Theme> Theme::default_theme;
-
 void Theme::_emit_theme_changed() {
 
 	emit_changed();
@@ -186,11 +184,6 @@ void Theme::_get_property_list(List<PropertyInfo> *p_list) const {
 	}
 }
 
-Ref<Theme> Theme::get_default() {
-
-	return default_theme;
-}
-
 void Theme::set_default_theme_font(const Ref<Font> &p_default_font) {
 
 	if (default_theme_font == p_default_font)
@@ -215,14 +208,31 @@ Ref<Font> Theme::get_default_theme_font() const {
 	return default_theme_font;
 }
 
+Ref<Theme> Theme::project_default_theme;
+Ref<Theme> Theme::default_theme;
+Ref<Texture> Theme::default_icon;
+Ref<StyleBox> Theme::default_style;
+Ref<Font> Theme::default_font;
+
+Ref<Theme> Theme::get_default() {
+
+	return default_theme;
+}
+
 void Theme::set_default(const Ref<Theme> &p_default) {
 
 	default_theme = p_default;
 }
 
-Ref<Texture> Theme::default_icon;
-Ref<StyleBox> Theme::default_style;
-Ref<Font> Theme::default_font;
+Ref<Theme> Theme::get_project_default() {
+
+	return project_default_theme;
+}
+
+void Theme::set_project_default(const Ref<Theme> &p_project_default) {
+
+	project_default_theme = p_project_default;
+}
 
 void Theme::set_default_icon(const Ref<Texture> &p_icon) {
 

scene/resources/theme.h

@@ -46,7 +46,6 @@ class Theme : public Resource {
 	GDCLASS(Theme, Resource);
 	RES_BASE_EXTENSION("theme");
 
-	static Ref<Theme> default_theme;
 	void _emit_theme_changed();
 
 	HashMap<StringName, HashMap<StringName, Ref<Texture> > > icon_map;
@@ -61,6 +60,8 @@ protected:
 	bool _get(const StringName &p_name, Variant &r_ret) const;
 	void _get_property_list(List<PropertyInfo> *p_list) const;
 
+	static Ref<Theme> project_default_theme;
+	static Ref<Theme> default_theme;
 	static Ref<Texture> default_icon;
 	static Ref<StyleBox> default_style;
 	static Ref<Font> default_font;
@@ -137,6 +138,9 @@ public:
 	static Ref<Theme> get_default();
 	static void set_default(const Ref<Theme> &p_default);
 
+	static Ref<Theme> get_project_default();
+	static void set_project_default(const Ref<Theme> &p_default);
+
 	static void set_default_icon(const Ref<Texture> &p_icon);
 	static void set_default_style(const Ref<StyleBox> &p_style);
 	static void set_default_font(const Ref<Font> &p_font);