95b27fe8c7
This change introduces a new EditorThemeManager class to abstract theme generatio and its subroutines. Logic related to EditorTheme, EditorColorMap, and editor icons has been extracted into their respective files with includes cleaned up. All related files have been moved to a separate folder to better scope them in the project. This includes relevant generated files as well.
336 lines
13 KiB
C++
336 lines
13 KiB
C++
/**************************************************************************/
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/* gradient_texture_2d_editor_plugin.cpp */
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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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#include "gradient_texture_2d_editor_plugin.h"
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#include "editor/editor_node.h"
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#include "editor/editor_undo_redo_manager.h"
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#include "editor/gui/editor_spin_slider.h"
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#include "editor/themes/editor_scale.h"
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#include "scene/gui/box_container.h"
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#include "scene/gui/button.h"
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#include "scene/gui/flow_container.h"
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#include "scene/gui/separator.h"
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#include "scene/resources/gradient_texture.h"
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Point2 GradientTexture2DEdit::_get_handle_pos(const Handle p_handle) {
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// Get the handle's mouse position in pixels relative to offset.
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return (p_handle == HANDLE_FROM ? texture->get_fill_from() : texture->get_fill_to()).clamp(Vector2(), Vector2(1, 1)) * size;
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}
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GradientTexture2DEdit::Handle GradientTexture2DEdit::get_handle_at(const Vector2 &p_pos) {
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Point2 from_pos = _get_handle_pos(HANDLE_FROM);
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Point2 to_pos = _get_handle_pos(HANDLE_TO);
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// If both handles are at the position, grab the one that's closer.
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if (p_pos.distance_squared_to(from_pos) < p_pos.distance_squared_to(to_pos)) {
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return Rect2(from_pos.round() - handle_size / 2, handle_size).has_point(p_pos) ? HANDLE_FROM : HANDLE_NONE;
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} else {
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return Rect2(to_pos.round() - handle_size / 2, handle_size).has_point(p_pos) ? HANDLE_TO : HANDLE_NONE;
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}
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}
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void GradientTexture2DEdit::set_fill_pos(const Vector2 &p_pos) {
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if (p_pos.is_equal_approx(initial_grab_pos)) {
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return;
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}
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const StringName property_name = (grabbed == HANDLE_FROM) ? "fill_from" : "fill_to";
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EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
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undo_redo->create_action(TTR("Move GradientTexture2D Fill Point"));
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undo_redo->add_do_property(texture.ptr(), property_name, p_pos);
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undo_redo->add_undo_property(texture.ptr(), property_name, initial_grab_pos);
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undo_redo->commit_action();
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}
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void GradientTexture2DEdit::gui_input(const Ref<InputEvent> &p_event) {
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const Ref<InputEventMouseButton> mb = p_event;
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if (mb.is_valid()) {
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if (mb->get_button_index() == MouseButton::LEFT) {
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if (mb->is_pressed()) {
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grabbed = get_handle_at(mb->get_position() - offset);
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if (grabbed != HANDLE_NONE) {
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initial_grab_pos = _get_handle_pos(grabbed) / size;
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queue_redraw();
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}
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} else {
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// Release the handle.
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if (grabbed != HANDLE_NONE) {
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set_fill_pos(_get_handle_pos(grabbed) / size);
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grabbed = HANDLE_NONE;
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queue_redraw();
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}
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}
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}
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if (grabbed != HANDLE_NONE && mb->is_pressed() && mb->get_button_index() == MouseButton::RIGHT) {
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texture->set((grabbed == HANDLE_FROM) ? SNAME("fill_from") : SNAME("fill_to"), initial_grab_pos);
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grabbed = HANDLE_NONE;
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queue_redraw();
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}
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}
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// Move handle.
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const Ref<InputEventMouseMotion> mm = p_event;
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if (mm.is_valid()) {
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Vector2 mpos = mm->get_position() - offset;
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Handle handle_at_mpos = get_handle_at(mpos);
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if (hovered != handle_at_mpos) {
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hovered = handle_at_mpos;
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queue_redraw();
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}
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if (grabbed == HANDLE_NONE) {
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return;
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}
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Vector2 new_pos = (mpos / size).clamp(Vector2(0, 0), Vector2(1, 1));
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if (snap_enabled || mm->is_command_or_control_pressed()) {
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new_pos = new_pos.snapped(Vector2(1.0 / snap_count, 1.0 / snap_count));
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}
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// Allow to snap to an axis with Shift.
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if (mm->is_shift_pressed()) {
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Vector2 initial_mpos = initial_grab_pos * size;
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if (Math::abs(mpos.x - initial_mpos.x) > Math::abs(mpos.y - initial_mpos.y)) {
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new_pos.y = initial_grab_pos.y;
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} else {
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new_pos.x = initial_grab_pos.x;
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}
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}
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// Do it directly from the texture so there's no undo/redo until the handle is released.
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texture->set((grabbed == HANDLE_FROM) ? SNAME("fill_from") : SNAME("fill_to"), new_pos);
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}
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}
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void GradientTexture2DEdit::set_texture(Ref<GradientTexture2D> &p_texture) {
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texture = p_texture;
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texture->connect_changed(callable_mp((CanvasItem *)this, &CanvasItem::queue_redraw));
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}
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void GradientTexture2DEdit::set_snap_enabled(bool p_snap_enabled) {
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snap_enabled = p_snap_enabled;
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queue_redraw();
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if (texture.is_valid()) {
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if (snap_enabled) {
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texture->set_meta(SNAME("_snap_enabled"), true);
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} else {
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texture->remove_meta(SNAME("_snap_enabled"));
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}
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}
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}
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void GradientTexture2DEdit::set_snap_count(int p_snap_count) {
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snap_count = p_snap_count;
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queue_redraw();
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if (texture.is_valid()) {
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if (snap_count != GradientTexture2DEditor::DEFAULT_SNAP) {
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texture->set_meta(SNAME("_snap_count"), snap_count);
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} else {
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texture->remove_meta(SNAME("_snap_count"));
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}
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}
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}
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void GradientTexture2DEdit::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_MOUSE_EXIT: {
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if (hovered != HANDLE_NONE) {
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hovered = HANDLE_NONE;
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queue_redraw();
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}
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} break;
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case NOTIFICATION_THEME_CHANGED: {
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checkerboard->set_texture(get_editor_theme_icon(SNAME("GuiMiniCheckerboard")));
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} break;
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case NOTIFICATION_DRAW: {
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_draw();
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} break;
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}
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}
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void GradientTexture2DEdit::_draw() {
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if (texture.is_null()) {
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return;
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}
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const Ref<Texture2D> fill_from_icon = get_editor_theme_icon(SNAME("EditorPathSmoothHandle"));
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const Ref<Texture2D> fill_to_icon = get_editor_theme_icon(SNAME("EditorPathSharpHandle"));
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handle_size = fill_from_icon->get_size();
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Size2 rect_size = get_size();
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// Get the size and position to draw the texture and handles at.
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// Subtract handle sizes so they stay inside the preview, but keep the texture's aspect ratio.
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Size2 available_size = rect_size - handle_size;
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Size2 ratio = available_size / texture->get_size();
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size = MIN(ratio.x, ratio.y) * texture->get_size();
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offset = ((rect_size - size) / 2).round();
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checkerboard->set_rect(Rect2(offset, size));
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draw_set_transform(offset);
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draw_texture_rect(texture, Rect2(Point2(), size));
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// Draw grid snap lines.
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if (snap_enabled || (Input::get_singleton()->is_key_pressed(Key::CMD_OR_CTRL) && grabbed != HANDLE_NONE)) {
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const Color line_color = Color(0.5, 0.5, 0.5, 0.5);
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for (int idx = 0; idx < snap_count + 1; idx++) {
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float x = float(idx * size.width) / snap_count;
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float y = float(idx * size.height) / snap_count;
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draw_line(Point2(x, 0), Point2(x, size.height), line_color);
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draw_line(Point2(0, y), Point2(size.width, y), line_color);
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}
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}
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// Draw handles.
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const Color focus_modulate = Color(0.5, 1, 2);
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bool modulate_handle_from = grabbed == HANDLE_FROM || hovered == HANDLE_FROM;
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bool modulate_handle_to = grabbed == HANDLE_TO || hovered == HANDLE_TO;
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draw_texture(fill_from_icon, (_get_handle_pos(HANDLE_FROM) - handle_size / 2).round(), modulate_handle_from ? focus_modulate : Color(1, 1, 1));
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draw_texture(fill_to_icon, (_get_handle_pos(HANDLE_TO) - handle_size / 2).round(), modulate_handle_to ? focus_modulate : Color(1, 1, 1));
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}
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GradientTexture2DEdit::GradientTexture2DEdit() {
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checkerboard = memnew(TextureRect);
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checkerboard->set_stretch_mode(TextureRect::STRETCH_TILE);
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checkerboard->set_expand_mode(TextureRect::EXPAND_IGNORE_SIZE);
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checkerboard->set_draw_behind_parent(true);
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add_child(checkerboard, false, INTERNAL_MODE_FRONT);
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set_custom_minimum_size(Size2(0, 250 * EDSCALE));
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}
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///////////////////////
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const int GradientTexture2DEditor::DEFAULT_SNAP = 10;
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void GradientTexture2DEditor::_reverse_button_pressed() {
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EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
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undo_redo->create_action(TTR("Swap GradientTexture2D Fill Points"));
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undo_redo->add_do_property(texture.ptr(), "fill_from", texture->get_fill_to());
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undo_redo->add_do_property(texture.ptr(), "fill_to", texture->get_fill_from());
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undo_redo->add_undo_property(texture.ptr(), "fill_from", texture->get_fill_from());
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undo_redo->add_undo_property(texture.ptr(), "fill_to", texture->get_fill_to());
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undo_redo->commit_action();
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}
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void GradientTexture2DEditor::_set_snap_enabled(bool p_enabled) {
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texture_editor_rect->set_snap_enabled(p_enabled);
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snap_count_edit->set_visible(p_enabled);
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}
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void GradientTexture2DEditor::_set_snap_count(int p_snap_count) {
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texture_editor_rect->set_snap_count(p_snap_count);
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}
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void GradientTexture2DEditor::set_texture(Ref<GradientTexture2D> &p_texture) {
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texture = p_texture;
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texture_editor_rect->set_texture(p_texture);
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}
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void GradientTexture2DEditor::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE:
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case NOTIFICATION_THEME_CHANGED: {
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reverse_button->set_icon(get_editor_theme_icon(SNAME("ReverseGradient")));
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snap_button->set_icon(get_editor_theme_icon(SNAME("SnapGrid")));
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} break;
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case NOTIFICATION_READY: {
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if (texture.is_valid()) {
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// Set snapping settings based on the texture's meta.
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snap_button->set_pressed(texture->get_meta("_snap_enabled", false));
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snap_count_edit->set_value(texture->get_meta("_snap_count", DEFAULT_SNAP));
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}
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} break;
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}
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}
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GradientTexture2DEditor::GradientTexture2DEditor() {
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HFlowContainer *toolbar = memnew(HFlowContainer);
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add_child(toolbar);
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reverse_button = memnew(Button);
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reverse_button->set_tooltip_text(TTR("Swap Gradient Fill Points"));
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toolbar->add_child(reverse_button);
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reverse_button->connect("pressed", callable_mp(this, &GradientTexture2DEditor::_reverse_button_pressed));
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toolbar->add_child(memnew(VSeparator));
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snap_button = memnew(Button);
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snap_button->set_tooltip_text(TTR("Toggle Grid Snap"));
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snap_button->set_toggle_mode(true);
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toolbar->add_child(snap_button);
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snap_button->connect("toggled", callable_mp(this, &GradientTexture2DEditor::_set_snap_enabled));
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snap_count_edit = memnew(EditorSpinSlider);
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snap_count_edit->set_min(2);
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snap_count_edit->set_max(100);
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snap_count_edit->set_value(DEFAULT_SNAP);
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snap_count_edit->set_custom_minimum_size(Size2(65 * EDSCALE, 0));
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toolbar->add_child(snap_count_edit);
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snap_count_edit->connect("value_changed", callable_mp(this, &GradientTexture2DEditor::_set_snap_count));
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texture_editor_rect = memnew(GradientTexture2DEdit);
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add_child(texture_editor_rect);
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set_mouse_filter(MOUSE_FILTER_STOP);
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_set_snap_enabled(snap_button->is_pressed());
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_set_snap_count(snap_count_edit->get_value());
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}
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///////////////////////
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bool EditorInspectorPluginGradientTexture2D::can_handle(Object *p_object) {
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return Object::cast_to<GradientTexture2D>(p_object) != nullptr;
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}
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void EditorInspectorPluginGradientTexture2D::parse_begin(Object *p_object) {
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GradientTexture2D *texture = Object::cast_to<GradientTexture2D>(p_object);
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if (!texture) {
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return;
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}
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Ref<GradientTexture2D> t(texture);
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GradientTexture2DEditor *editor = memnew(GradientTexture2DEditor);
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editor->set_texture(t);
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add_custom_control(editor);
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}
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///////////////////////
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GradientTexture2DEditorPlugin::GradientTexture2DEditorPlugin() {
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Ref<EditorInspectorPluginGradientTexture2D> plugin;
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plugin.instantiate();
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add_inspector_plugin(plugin);
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}
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