OpenXR: Add runtime selection dropdown

6 files changed, 200 insertions, 2 deletions

diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index 521477d470..dba4b117bd 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -6936,10 +6936,9 @@ EditorNode::EditorNode() {
 	renderer = memnew(OptionButton);
 	renderer->set_visible(true);
 	renderer->set_flat(true);
+	renderer->set_theme_type_variation("TopBarOptionButton");
 	renderer->set_fit_to_longest_item(false);
 	renderer->set_focus_mode(Control::FOCUS_NONE);
-	renderer->add_theme_font_override("font", theme->get_font(SNAME("bold"), EditorStringName(EditorFonts)));
-	renderer->add_theme_font_size_override("font_size", theme->get_font_size(SNAME("bold_size"), EditorStringName(EditorFonts)));
 	renderer->set_tooltip_text(TTR("Choose a rendering method.\n\nNotes:\n- On mobile platforms, the Mobile rendering method is used if Forward+ is selected here.\n- On the web platform, the Compatibility rendering method is always used."));
 
 	right_menu_hb->add_child(renderer);
diff --git a/editor/themes/editor_theme_manager.cpp b/editor/themes/editor_theme_manager.cpp
index 4ce323c763..0ef74bed7d 100644
--- a/editor/themes/editor_theme_manager.cpp
+++ b/editor/themes/editor_theme_manager.cpp
@@ -1690,6 +1690,13 @@ void EditorThemeManager::_populate_editor_styles(const Ref<Theme> &p_theme, Them
 			p_theme->set_stylebox("pressed", "EditorLogFilterButton", editor_log_button_pressed);
 		}
 
+		// Top bar selectors.
+		{
+			p_theme->set_type_variation("TopBarOptionButton", "OptionButton");
+			p_theme->set_font("font", "TopBarOptionButton", p_theme->get_font(SNAME("bold"), EditorStringName(EditorFonts)));
+			p_theme->set_font_size("font_size", "TopBarOptionButton", p_theme->get_font_size(SNAME("bold_size"), EditorStringName(EditorFonts)));
+		}
+
 		// Complex editor windows.
 		{
 			Ref<StyleBoxFlat> style_complex_window = p_config.window_style->duplicate();
diff --git a/modules/openxr/editor/openxr_editor_plugin.cpp b/modules/openxr/editor/openxr_editor_plugin.cpp
index 51ebbcf44a..559890ecb3 100644
--- a/modules/openxr/editor/openxr_editor_plugin.cpp
+++ b/modules/openxr/editor/openxr_editor_plugin.cpp
@@ -53,6 +53,11 @@ void OpenXREditorPlugin::make_visible(bool p_visible) {
 OpenXREditorPlugin::OpenXREditorPlugin() {
 	action_map_editor = memnew(OpenXRActionMapEditor);
 	EditorNode::get_singleton()->add_bottom_panel_item(TTR("OpenXR Action Map"), action_map_editor);
+
+#ifndef ANDROID_ENABLED
+	select_runtime = memnew(OpenXRSelectRuntime);
+	add_control_to_container(CONTAINER_TOOLBAR, select_runtime);
+#endif
 }
 
 OpenXREditorPlugin::~OpenXREditorPlugin() {
diff --git a/modules/openxr/editor/openxr_editor_plugin.h b/modules/openxr/editor/openxr_editor_plugin.h
index 9764f8fe21..b80f20d049 100644
--- a/modules/openxr/editor/openxr_editor_plugin.h
+++ b/modules/openxr/editor/openxr_editor_plugin.h
@@ -32,6 +32,7 @@
 #define OPENXR_EDITOR_PLUGIN_H
 
 #include "openxr_action_map_editor.h"
+#include "openxr_select_runtime.h"
 
 #include "editor/editor_plugin.h"
 
@@ -39,6 +40,9 @@ class OpenXREditorPlugin : public EditorPlugin {
 	GDCLASS(OpenXREditorPlugin, EditorPlugin);
 
 	OpenXRActionMapEditor *action_map_editor = nullptr;
+#ifndef ANDROID_ENABLED
+	OpenXRSelectRuntime *select_runtime = nullptr;
+#endif
 
 public:
 	virtual String get_name() const override { return "OpenXRPlugin"; }
diff --git a/modules/openxr/editor/openxr_select_runtime.cpp b/modules/openxr/editor/openxr_select_runtime.cpp
new file mode 100644
index 0000000000..f6aa157907
--- /dev/null
+++ b/modules/openxr/editor/openxr_select_runtime.cpp
@@ -0,0 +1,132 @@
+/**************************************************************************/
+/*  openxr_select_runtime.cpp                                             */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "openxr_select_runtime.h"
+
+#include "core/io/dir_access.h"
+#include "core/os/os.h"
+#include "editor/editor_settings.h"
+#include "editor/editor_string_names.h"
+
+void OpenXRSelectRuntime::_bind_methods() {
+}
+
+void OpenXRSelectRuntime::_update_items() {
+	Ref<DirAccess> da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
+	OS *os = OS::get_singleton();
+	Dictionary runtimes = EDITOR_GET("xr/openxr/runtime_paths");
+
+	int current_runtime = 0;
+	int index = 0;
+	String current_path = os->get_environment("XR_RUNTIME_JSON");
+
+	// Parse the user's home folder.
+	String home_folder = os->get_environment("HOME");
+	if (home_folder.is_empty()) {
+		home_folder = os->get_environment("HOMEDRIVE") + os->get_environment("HOMEPATH");
+	}
+
+	clear();
+	add_item("Default", -1);
+	set_item_metadata(index, "");
+	index++;
+
+	Array keys = runtimes.keys();
+	for (int i = 0; i < keys.size(); i++) {
+		String key = keys[i];
+		String path = runtimes[key];
+		String adj_path = path.replace("~", home_folder);
+
+		if (da->file_exists(adj_path)) {
+			add_item(key, index);
+			set_item_metadata(index, adj_path);
+
+			if (current_path == adj_path) {
+				current_runtime = index;
+			}
+			index++;
+		}
+	}
+
+	select(current_runtime);
+}
+
+void OpenXRSelectRuntime::_item_selected(int p_which) {
+	OS *os = OS::get_singleton();
+
+	if (p_which == 0) {
+		// Return to default runtime
+		os->set_environment("XR_RUNTIME_JSON", "");
+	} else {
+		// Select the runtime we want
+		String runtime_path = get_item_metadata(p_which);
+		os->set_environment("XR_RUNTIME_JSON", runtime_path);
+	}
+}
+
+void OpenXRSelectRuntime::_notification(int p_notification) {
+	switch (p_notification) {
+		case NOTIFICATION_ENTER_TREE: {
+			// Update dropdown
+			_update_items();
+
+			// Connect signal
+			connect("item_selected", callable_mp(this, &OpenXRSelectRuntime::_item_selected));
+		} break;
+		case NOTIFICATION_EXIT_TREE: {
+			// Disconnect signal
+			disconnect("item_selected", callable_mp(this, &OpenXRSelectRuntime::_item_selected));
+		} break;
+	}
+}
+
+OpenXRSelectRuntime::OpenXRSelectRuntime() {
+	Dictionary default_runtimes;
+
+	// Add known common runtimes by default.
+#ifdef WINDOWS_ENABLED
+	default_runtimes["Meta"] = "C:\\Program Files\\Oculus\\Support\\oculus-runtime\\oculus_openxr_64.json";
+	default_runtimes["SteamVR"] = "C:\\Program Files (x86)\\Steam\\steamapps\\common\\SteamVR\\steamxr_win64.json";
+	default_runtimes["Varjo"] = "C:\\Program Files\\Varjo\\varjo-openxr\\VarjoOpenXR.json";
+	default_runtimes["WMR"] = "C:\\WINDOWS\\system32\\MixedRealityRuntime.json";
+#endif
+#ifdef LINUXBSD_ENABLED
+	default_runtimes["Monado"] = "/usr/share/openxr/1/openxr_monado.json";
+	default_runtimes["SteamVR"] = "~/.steam/steam/steamapps/common/SteamVR/steamxr_linux64.json";
+#endif
+
+	EDITOR_DEF_RST("xr/openxr/runtime_paths", default_runtimes);
+
+	set_flat(true);
+	set_theme_type_variation("TopBarOptionButton");
+	set_fit_to_longest_item(false);
+	set_focus_mode(Control::FOCUS_NONE);
+	set_tooltip_text(TTR("Choose an XR runtime."));
+}
diff --git a/modules/openxr/editor/openxr_select_runtime.h b/modules/openxr/editor/openxr_select_runtime.h
new file mode 100644
index 0000000000..60b5137f67
--- /dev/null
+++ b/modules/openxr/editor/openxr_select_runtime.h
@@ -0,0 +1,51 @@
+/**************************************************************************/
+/*  openxr_select_runtime.h                                               */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef OPENXR_SELECT_RUNTIME_H
+#define OPENXR_SELECT_RUNTIME_H
+
+#include "scene/gui/option_button.h"
+
+class OpenXRSelectRuntime : public OptionButton {
+	GDCLASS(OpenXRSelectRuntime, OptionButton);
+
+public:
+	OpenXRSelectRuntime();
+
+protected:
+	static void _bind_methods();
+	void _notification(int p_notification);
+
+private:
+	void _update_items();
+	void _item_selected(int p_which);
+};
+
+#endif // OPENXR_SELECT_RUNTIME_H