147 lines
4.8 KiB
C++
147 lines
4.8 KiB
C++
/**************************************************************************/
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/* gradient_editor_plugin.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef GRADIENT_EDITOR_PLUGIN_H
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#define GRADIENT_EDITOR_PLUGIN_H
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#include "editor/editor_inspector.h"
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#include "editor/plugins/editor_plugin.h"
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class EditorSpinSlider;
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class ColorPicker;
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class PopupPanel;
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class GradientTexture1D;
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class GradientEdit : public Control {
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GDCLASS(GradientEdit, Control);
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Ref<Gradient> gradient;
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Ref<GradientTexture1D> preview_texture;
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PopupPanel *popup = nullptr;
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ColorPicker *picker = nullptr;
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bool snap_enabled = false;
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int snap_count = 10;
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enum GrabMode {
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GRAB_NONE,
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GRAB_ADD,
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GRAB_MOVE
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};
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GrabMode grabbing = GRAB_NONE;
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float pre_grab_offset = 0.5;
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int pre_grab_index = -1;
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int selected_index = -1;
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int hovered_index = -1;
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// Make sure to use the scaled values below.
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const int BASE_SPACING = 4;
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const int BASE_HANDLE_WIDTH = 8;
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int draw_spacing = BASE_SPACING;
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int handle_width = BASE_HANDLE_WIDTH;
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int _get_gradient_rect_width() const;
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void _color_changed(const Color &p_color);
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void _redraw();
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int _get_point_at(int p_xpos) const;
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int _predict_insertion_index(float p_offset);
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void _show_color_picker();
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protected:
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virtual void gui_input(const Ref<InputEvent> &p_event) override;
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void _notification(int p_what);
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static void _bind_methods();
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public:
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void set_gradient(const Ref<Gradient> &p_gradient);
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const Ref<Gradient> &get_gradient() const;
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ColorPicker *get_picker() const;
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PopupPanel *get_popup() const;
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void set_selected_index(int p_index);
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void add_point(float p_offset, const Color &p_color);
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void remove_point(int p_index);
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void set_offset(int p_index, float p_offset);
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void set_color(int p_index, const Color &p_color);
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void reverse_gradient();
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void set_snap_enabled(bool p_enabled);
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void set_snap_count(int p_count);
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GradientEdit();
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};
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class GradientEditor : public VBoxContainer {
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GDCLASS(GradientEditor, VBoxContainer);
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Button *reverse_button = nullptr;
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Button *snap_button = nullptr;
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EditorSpinSlider *snap_count_edit = nullptr;
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GradientEdit *gradient_editor_rect = nullptr;
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void _set_snap_enabled(bool p_enabled);
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void _set_snap_count(int p_count);
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protected:
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void _notification(int p_what);
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public:
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static const int DEFAULT_SNAP;
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void set_gradient(const Ref<Gradient> &p_gradient);
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GradientEditor();
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};
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class EditorInspectorPluginGradient : public EditorInspectorPlugin {
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GDCLASS(EditorInspectorPluginGradient, EditorInspectorPlugin);
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public:
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virtual bool can_handle(Object *p_object) override;
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virtual void parse_begin(Object *p_object) override;
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};
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class GradientEditorPlugin : public EditorPlugin {
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GDCLASS(GradientEditorPlugin, EditorPlugin);
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public:
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virtual String get_name() const override { return "Gradient"; }
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GradientEditorPlugin();
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};
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#endif // GRADIENT_EDITOR_PLUGIN_H
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