initial commit, 4.5 stable

editor/scene/gui/theme_editor_preview.h

@@ -0,0 +1,119 @@
+/**************************************************************************/
+/*  theme_editor_preview.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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "scene/gui/box_container.h"
+#include "scene/resources/theme.h"
+
+class Button;
+class ColorPickerButton;
+class ColorRect;
+class MarginContainer;
+class ScrollContainer;
+
+class ThemeEditorPreview : public VBoxContainer {
+	GDCLASS(ThemeEditorPreview, VBoxContainer);
+
+	ScrollContainer *preview_container = nullptr;
+	MarginContainer *preview_root = nullptr;
+	ColorRect *preview_bg = nullptr;
+	MarginContainer *preview_overlay = nullptr;
+	Control *picker_overlay = nullptr;
+	Control *hovered_control = nullptr;
+
+	struct ThemeCache {
+		Ref<StyleBox> preview_picker_overlay;
+		Color preview_picker_overlay_color;
+		Ref<StyleBox> preview_picker_label;
+		Ref<Font> preview_picker_font;
+		int font_size = 16;
+	} theme_cache;
+
+	double time_left = 0;
+
+	void _propagate_redraw(Control *p_at);
+	void _refresh_interval();
+	void _preview_visibility_changed();
+
+	void _picker_button_cbk();
+	Control *_find_hovered_control(Control *p_parent, Vector2 p_mouse_position);
+
+	void _draw_picker_overlay();
+	void _gui_input_picker_overlay(const Ref<InputEvent> &p_event);
+	void _reset_picker_overlay();
+
+protected:
+	HBoxContainer *preview_toolbar = nullptr;
+	MarginContainer *preview_content = nullptr;
+	Button *picker_button = nullptr;
+
+	void add_preview_overlay(Control *p_overlay);
+
+	void _notification(int p_what);
+	static void _bind_methods();
+
+public:
+	void set_preview_theme(const Ref<Theme> &p_theme);
+
+	ThemeEditorPreview();
+};
+
+class DefaultThemeEditorPreview : public ThemeEditorPreview {
+	GDCLASS(DefaultThemeEditorPreview, ThemeEditorPreview);
+
+	ColorPickerButton *test_color_picker_button = nullptr;
+
+protected:
+	void _notification(int p_what);
+
+public:
+	DefaultThemeEditorPreview();
+};
+
+class SceneThemeEditorPreview : public ThemeEditorPreview {
+	GDCLASS(SceneThemeEditorPreview, ThemeEditorPreview);
+
+	Ref<PackedScene> loaded_scene;
+
+	Button *reload_scene_button = nullptr;
+
+	void _reload_scene();
+
+protected:
+	void _notification(int p_what);
+	static void _bind_methods();
+
+public:
+	bool set_preview_scene(const String &p_path);
+	String get_preview_scene_path() const;
+
+	SceneThemeEditorPreview();
+};