mirror of
https://github.com/godotengine/godot
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677 lines
25 KiB
C++
677 lines
25 KiB
C++
/**************************************************************************/
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/* gradient_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_editor_plugin.h"
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#include "core/os/keyboard.h"
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#include "editor/editor_node.h"
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#include "editor/editor_settings.h"
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#include "editor/editor_string_names.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/plugins/canvas_item_editor_plugin.h"
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#include "editor/plugins/node_3d_editor_plugin.h"
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#include "editor/themes/editor_scale.h"
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#include "scene/gui/color_picker.h"
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#include "scene/gui/flow_container.h"
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#include "scene/gui/popup.h"
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#include "scene/gui/separator.h"
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#include "scene/resources/gradient_texture.h"
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int GradientEdit::_get_point_at(int p_xpos) const {
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int result = -1;
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int total_w = _get_gradient_rect_width();
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float min_distance = handle_width * 0.8; // Allow the cursor to be more than half a handle width away for ease of use.
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for (int i = 0; i < gradient->get_point_count(); i++) {
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// Ignore points outside of [0, 1].
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if (gradient->get_offset(i) < 0) {
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continue;
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} else if (gradient->get_offset(i) > 1) {
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break;
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}
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// Check if we clicked at point.
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float distance = ABS(p_xpos - gradient->get_offset(i) * total_w);
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if (distance < min_distance) {
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result = i;
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min_distance = distance;
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}
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}
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return result;
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}
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int GradientEdit::_predict_insertion_index(float p_offset) {
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int result = 0;
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while (result < gradient->get_point_count() && gradient->get_offset(result) < p_offset) {
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result++;
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}
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return result;
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}
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int GradientEdit::_get_gradient_rect_width() const {
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return get_size().width - get_size().height - draw_spacing - handle_width;
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}
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void GradientEdit::_show_color_picker() {
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if (selected_index == -1) {
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return;
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}
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picker->set_pick_color(gradient->get_color(selected_index));
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Size2 minsize = popup->get_contents_minimum_size();
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float viewport_height = get_viewport_rect().size.y;
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// Determine in which direction to show the popup. By default popup below.
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// But if the popup doesn't fit below and the Gradient Editor is in the bottom half of the viewport, show above.
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bool show_above = get_global_position().y + get_size().y + minsize.y > viewport_height && get_global_position().y * 2 + get_size().y > viewport_height;
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float v_offset = show_above ? -minsize.y : get_size().y;
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popup->set_position(get_screen_position() + Vector2(0, v_offset));
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popup->popup();
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}
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void GradientEdit::_color_changed(const Color &p_color) {
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set_color(selected_index, p_color);
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}
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void GradientEdit::set_gradient(const Ref<Gradient> &p_gradient) {
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gradient = p_gradient;
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gradient->connect(CoreStringName(changed), callable_mp((CanvasItem *)this, &CanvasItem::queue_redraw));
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}
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const Ref<Gradient> &GradientEdit::get_gradient() const {
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return gradient;
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}
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void GradientEdit::add_point(float p_offset, const Color &p_color) {
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int new_idx = _predict_insertion_index(p_offset);
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EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
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undo_redo->create_action(TTR("Add Gradient Point"));
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undo_redo->add_do_method(*gradient, "add_point", p_offset, p_color);
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undo_redo->add_do_method(this, "set_selected_index", new_idx);
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undo_redo->add_undo_method(*gradient, "remove_point", new_idx);
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undo_redo->add_undo_method(this, "set_selected_index", -1);
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undo_redo->commit_action();
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}
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void GradientEdit::remove_point(int p_index) {
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ERR_FAIL_INDEX_MSG(p_index, gradient->get_point_count(), "Gradient point is out of bounds.");
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if (gradient->get_point_count() <= 1) {
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return;
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}
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// If the point is removed while it's being moved, remember its old offset.
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float old_offset = (grabbing == GRAB_MOVE) ? pre_grab_offset : gradient->get_offset(p_index);
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Color old_color = gradient->get_color(p_index);
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int new_selected_index = selected_index;
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// Reselect the old selected point if it's not the deleted one.
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if (new_selected_index > p_index) {
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new_selected_index -= 1;
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} else if (new_selected_index == p_index) {
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new_selected_index = -1;
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}
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EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
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undo_redo->create_action(TTR("Remove Gradient Point"));
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undo_redo->add_do_method(*gradient, "remove_point", p_index);
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undo_redo->add_do_method(this, "set_selected_index", new_selected_index);
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undo_redo->add_undo_method(*gradient, "add_point", old_offset, old_color);
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undo_redo->add_undo_method(this, "set_selected_index", selected_index);
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undo_redo->commit_action();
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}
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void GradientEdit::set_offset(int p_index, float p_offset) {
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ERR_FAIL_INDEX_MSG(p_index, gradient->get_point_count(), "Gradient point is out of bounds.");
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// Use pre_grab_offset to determine things for the undo/redo.
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if (Math::is_equal_approx(pre_grab_offset, p_offset)) {
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return;
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}
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int new_idx = _predict_insertion_index(p_offset);
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gradient->set_offset(p_index, pre_grab_offset); // Pretend the point started from its old place.
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EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
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undo_redo->create_action(TTR("Move Gradient Point"));
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undo_redo->add_do_method(*gradient, "set_offset", pre_grab_index, p_offset);
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undo_redo->add_do_method(this, "set_selected_index", new_idx);
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undo_redo->add_undo_method(*gradient, "set_offset", new_idx, pre_grab_offset);
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undo_redo->add_undo_method(this, "set_selected_index", pre_grab_index);
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undo_redo->commit_action();
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queue_redraw();
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}
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void GradientEdit::set_color(int p_index, const Color &p_color) {
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ERR_FAIL_INDEX_MSG(p_index, gradient->get_point_count(), "Gradient point is out of bounds.");
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Color old_color = gradient->get_color(p_index);
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if (old_color == p_color) {
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return;
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}
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EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
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undo_redo->create_action(TTR("Recolor Gradient Point"), UndoRedo::MERGE_ENDS);
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undo_redo->add_do_method(*gradient, "set_color", p_index, p_color);
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undo_redo->add_undo_method(*gradient, "set_color", p_index, old_color);
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undo_redo->commit_action();
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queue_redraw();
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}
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void GradientEdit::reverse_gradient() {
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int new_selected_idx = (selected_index == -1) ? -1 : (gradient->get_point_count() - selected_index - 1);
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EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
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undo_redo->create_action(TTR("Reverse Gradient"), UndoRedo::MERGE_DISABLE, *gradient);
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undo_redo->add_do_method(*gradient, "reverse");
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undo_redo->add_do_method(this, "set_selected_index", new_selected_idx);
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undo_redo->add_undo_method(*gradient, "reverse");
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undo_redo->add_undo_method(this, "set_selected_index", selected_index);
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undo_redo->commit_action();
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}
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void GradientEdit::set_selected_index(int p_index) {
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selected_index = p_index;
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queue_redraw();
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}
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void GradientEdit::set_snap_enabled(bool p_enabled) {
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snap_enabled = p_enabled;
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queue_redraw();
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if (gradient.is_valid()) {
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if (snap_enabled) {
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gradient->set_meta(SNAME("_snap_enabled"), true);
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} else {
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gradient->remove_meta(SNAME("_snap_enabled"));
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}
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}
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}
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void GradientEdit::set_snap_count(int p_count) {
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snap_count = p_count;
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queue_redraw();
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if (gradient.is_valid()) {
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if (snap_count != GradientEditor::DEFAULT_SNAP) {
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gradient->set_meta(SNAME("_snap_count"), snap_count);
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} else {
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gradient->remove_meta(SNAME("_snap_count"));
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}
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}
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}
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ColorPicker *GradientEdit::get_picker() const {
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return picker;
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}
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PopupPanel *GradientEdit::get_popup() const {
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return popup;
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}
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void GradientEdit::gui_input(const Ref<InputEvent> &p_event) {
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ERR_FAIL_COND(p_event.is_null());
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Ref<InputEventKey> k = p_event;
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if (k.is_valid() && k->is_pressed() && k->get_keycode() == Key::KEY_DELETE && selected_index != -1) {
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if (grabbing == GRAB_ADD) {
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gradient->remove_point(selected_index); // Point is temporary, so remove directly from gradient.
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set_selected_index(-1);
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} else {
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remove_point(selected_index);
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}
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grabbing = GRAB_NONE;
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hovered_index = -1;
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accept_event();
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}
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Ref<InputEventMouseButton> mb = p_event;
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if (mb.is_valid() && mb->is_pressed()) {
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float adjusted_mb_x = mb->get_position().x - handle_width / 2;
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bool should_snap = snap_enabled || mb->is_ctrl_pressed();
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// Delete point or move it to old position on middle or right click.
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if (mb->get_button_index() == MouseButton::RIGHT || mb->get_button_index() == MouseButton::MIDDLE) {
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if (grabbing == GRAB_MOVE && mb->get_button_index() == MouseButton::RIGHT) {
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gradient->set_offset(selected_index, pre_grab_offset);
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set_selected_index(pre_grab_index);
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} else {
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int point_to_remove = _get_point_at(adjusted_mb_x);
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if (point_to_remove == -1) {
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set_selected_index(-1); // Nothing on the place of the click, just deselect any handle.
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} else {
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if (grabbing == GRAB_ADD) {
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gradient->remove_point(point_to_remove); // Point is temporary, so remove directly from gradient.
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set_selected_index(-1);
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} else {
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remove_point(point_to_remove);
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}
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hovered_index = -1;
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}
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}
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grabbing = GRAB_NONE;
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accept_event();
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}
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// Select point.
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if (mb->get_button_index() == MouseButton::LEFT) {
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int total_w = _get_gradient_rect_width();
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// Check if color picker was clicked or gradient was double-clicked.
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if (adjusted_mb_x > total_w + draw_spacing) {
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if (!mb->is_double_click()) {
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_show_color_picker();
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}
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accept_event();
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return;
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} else if (mb->is_double_click()) {
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set_selected_index(_get_point_at(adjusted_mb_x));
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_show_color_picker();
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accept_event();
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return;
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}
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if (grabbing == GRAB_NONE) {
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set_selected_index(_get_point_at(adjusted_mb_x));
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}
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if (selected_index != -1 && !mb->is_alt_pressed()) {
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// An existing point was grabbed.
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grabbing = GRAB_MOVE;
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pre_grab_offset = gradient->get_offset(selected_index);
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pre_grab_index = selected_index;
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} else if (grabbing == GRAB_NONE) {
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// Adding a new point. Insert a temporary point for the user to adjust, so it's not in the undo/redo.
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float new_offset = CLAMP(adjusted_mb_x / float(total_w), 0, 1);
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if (should_snap) {
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new_offset = Math::snapped(new_offset, 1.0 / snap_count);
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}
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for (int i = 0; i < gradient->get_point_count(); i++) {
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if (gradient->get_offset(i) == new_offset) {
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// If another point with the same offset is found, then
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// tweak it if Alt was pressed, otherwise something has gone wrong, so stop the operation.
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if (mb->is_alt_pressed()) {
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new_offset = MIN(gradient->get_offset(i) + 0.00001, 1);
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} else {
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return;
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}
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}
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}
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Color new_color = gradient->get_color_at_offset(new_offset);
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if (mb->is_alt_pressed()) {
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// Alt + Click on a point duplicates it. So copy its color.
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int point_to_copy = _get_point_at(adjusted_mb_x);
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if (point_to_copy != -1) {
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new_color = gradient->get_color(point_to_copy);
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}
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}
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// Add a temporary point for the user to adjust before adding it permanently.
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gradient->add_point(new_offset, new_color);
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set_selected_index(_predict_insertion_index(new_offset));
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grabbing = GRAB_ADD;
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}
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}
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}
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if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT && !mb->is_pressed()) {
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if (grabbing == GRAB_MOVE) {
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// Finish moving a point.
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set_offset(selected_index, gradient->get_offset(selected_index));
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grabbing = GRAB_NONE;
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} else if (grabbing == GRAB_ADD) {
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// Finish inserting a new point. Remove the temporary point and insert the permanent one in its place.
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float new_offset = gradient->get_offset(selected_index);
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Color new_color = gradient->get_color(selected_index);
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gradient->remove_point(selected_index);
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add_point(new_offset, new_color);
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grabbing = GRAB_NONE;
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}
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}
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Ref<InputEventMouseMotion> mm = p_event;
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if (mm.is_valid()) {
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int total_w = _get_gradient_rect_width();
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float adjusted_mm_x = mm->get_position().x - handle_width / 2;
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bool should_snap = snap_enabled || mm->is_ctrl_pressed();
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// Hovering logic.
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if (grabbing == GRAB_NONE) {
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int nearest_point = _get_point_at(adjusted_mm_x);
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if (hovered_index != nearest_point) {
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hovered_index = nearest_point;
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queue_redraw();
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}
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return;
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} else {
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hovered_index = -1;
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}
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// Grabbing logic.
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float new_offset = CLAMP(adjusted_mm_x / float(total_w), 0, 1);
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// Give the ability to snap right next to a point when using Shift.
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if (mm->is_shift_pressed()) {
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float smallest_offset = should_snap ? (0.5 / snap_count) : 0.01;
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int nearest_idx = -1;
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// Only check the two adjacent points to find which one is the nearest.
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if (selected_index > 0) {
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float temp_offset = ABS(gradient->get_offset(selected_index - 1) - new_offset);
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if (temp_offset < smallest_offset) {
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smallest_offset = temp_offset;
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nearest_idx = selected_index - 1;
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}
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}
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if (selected_index < gradient->get_point_count() - 1) {
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float temp_offset = ABS(gradient->get_offset(selected_index + 1) - new_offset);
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if (temp_offset < smallest_offset) {
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smallest_offset = temp_offset;
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nearest_idx = selected_index + 1;
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}
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}
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if (nearest_idx != -1) {
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// Snap to the point with a slight adjustment to the left or right.
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float adjustment = gradient->get_offset(nearest_idx) < new_offset ? 0.00001 : -0.00001;
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new_offset = CLAMP(gradient->get_offset(nearest_idx) + adjustment, 0, 1);
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} else if (should_snap) {
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new_offset = Math::snapped(new_offset, 1.0 / snap_count);
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}
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} else if (should_snap) {
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// Shift is not pressed, so snap fully without adjustments.
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new_offset = Math::snapped(new_offset, 1.0 / snap_count);
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}
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// Don't move the point if its new offset would be the same as another point's.
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for (int i = 0; i < gradient->get_point_count(); i++) {
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if (gradient->get_offset(i) == new_offset && i != selected_index) {
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return;
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}
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}
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if (selected_index == -1) {
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return;
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}
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// We want to only save this action for undo/redo when released, so don't use set_offset() yet.
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gradient->set_offset(selected_index, new_offset);
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// Update selected_index after the gradient updates its indices, so you keep holding the same color.
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for (int i = 0; i < gradient->get_point_count(); i++) {
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if (gradient->get_offset(i) == new_offset) {
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set_selected_index(i);
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break;
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}
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}
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}
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}
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void GradientEdit::_redraw() {
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int w = get_size().x;
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int h = get_size().y - draw_spacing; // A bit of spacing below the gradient too.
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if (w == 0 || h == 0) {
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return; // Safety check as there is nothing to draw with such size.
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}
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int total_w = _get_gradient_rect_width();
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int half_handle_width = handle_width * 0.5;
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// Draw gradient.
|
|
draw_texture_rect(get_editor_theme_icon(SNAME("GuiMiniCheckerboard")), Rect2(half_handle_width, 0, total_w, h), true);
|
|
preview_texture->set_gradient(gradient);
|
|
draw_texture_rect(preview_texture, Rect2(half_handle_width, 0, total_w, h));
|
|
|
|
// Draw vertical snap lines.
|
|
if (snap_enabled || (Input::get_singleton()->is_key_pressed(Key::CTRL) && grabbing != GRAB_NONE)) {
|
|
const Color line_color = Color(0.5, 0.5, 0.5, 0.5);
|
|
for (int idx = 1; idx < snap_count; idx++) {
|
|
float offset_x = idx * total_w / (float)snap_count + half_handle_width;
|
|
draw_line(Point2(offset_x, 0), Point2(offset_x, h), line_color);
|
|
}
|
|
}
|
|
|
|
// Draw handles.
|
|
for (int i = 0; i < gradient->get_point_count(); i++) {
|
|
// Only draw handles for points in [0, 1]. If there are points before or after, draw a little indicator.
|
|
if (gradient->get_offset(i) < 0.0) {
|
|
continue;
|
|
} else if (gradient->get_offset(i) > 1.0) {
|
|
break;
|
|
}
|
|
// White or black handle color, to contrast with the selected color's brightness.
|
|
// Also consider the fact that the color may be translucent.
|
|
// The checkerboard pattern in the background has an average luminance of 0.75.
|
|
Color inside_col = gradient->get_color(i);
|
|
Color border_col = Math::lerp(0.75f, inside_col.get_luminance(), inside_col.a) > 0.455 ? Color(0, 0, 0) : Color(1, 1, 1);
|
|
|
|
int handle_thickness = MAX(1, Math::round(EDSCALE));
|
|
float handle_x_pos = gradient->get_offset(i) * total_w + half_handle_width;
|
|
float handle_start_x = handle_x_pos - half_handle_width;
|
|
Rect2 rect = Rect2(handle_start_x, h / 2, handle_width, h / 2);
|
|
|
|
if (inside_col.a < 1) {
|
|
// If the color is translucent, draw a little opaque rectangle at the bottom to more easily see it.
|
|
draw_texture_rect(get_editor_theme_icon(SNAME("GuiMiniCheckerboard")), rect, true);
|
|
draw_rect(rect, inside_col, true);
|
|
Color inside_col_opaque = inside_col;
|
|
inside_col_opaque.a = 1.0;
|
|
draw_rect(Rect2(handle_start_x + handle_thickness / 2.0, h * 0.9 - handle_thickness / 2.0, handle_width - handle_thickness, h * 0.1), inside_col_opaque, true);
|
|
} else {
|
|
draw_rect(rect, inside_col, true);
|
|
}
|
|
|
|
if (selected_index == i) {
|
|
// Handle is selected.
|
|
draw_rect(rect, border_col, false, handle_thickness);
|
|
draw_line(Vector2(handle_x_pos, 0), Vector2(handle_x_pos, h / 2 - handle_thickness), border_col, handle_thickness);
|
|
if (inside_col.a < 1) {
|
|
draw_line(Vector2(handle_start_x + handle_thickness / 2.0, h * 0.9 - handle_thickness), Vector2(handle_start_x + handle_width - handle_thickness / 2.0, h * 0.9 - handle_thickness), border_col, handle_thickness);
|
|
}
|
|
rect = rect.grow(-handle_thickness);
|
|
const Color focus_col = get_theme_color(SNAME("accent_color"), EditorStringName(Editor));
|
|
draw_rect(rect, has_focus() ? focus_col : focus_col.darkened(0.4), false, handle_thickness);
|
|
rect = rect.grow(-handle_thickness);
|
|
draw_rect(rect, border_col, false, handle_thickness);
|
|
} else {
|
|
// Handle isn't selected.
|
|
border_col.a = 0.9;
|
|
draw_rect(rect, border_col, false, handle_thickness);
|
|
draw_line(Vector2(handle_x_pos, 0), Vector2(handle_x_pos, h / 2 - handle_thickness), border_col, handle_thickness);
|
|
if (inside_col.a < 1) {
|
|
draw_line(Vector2(handle_start_x + handle_thickness / 2.0, h * 0.9 - handle_thickness), Vector2(handle_start_x + handle_width - handle_thickness / 2.0, h * 0.9 - handle_thickness), border_col, handle_thickness);
|
|
}
|
|
if (hovered_index == i) {
|
|
// Draw a subtle translucent rect inside the handle if it's being hovered.
|
|
rect = rect.grow(-handle_thickness);
|
|
border_col.a = 0.54;
|
|
draw_rect(rect, border_col, false, handle_thickness);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Draw "button" for color selector.
|
|
int button_offset = total_w + handle_width + draw_spacing;
|
|
if (selected_index != -1) {
|
|
Color grabbed_col = gradient->get_color(selected_index);
|
|
if (grabbed_col.a < 1) {
|
|
draw_texture_rect(get_editor_theme_icon(SNAME("GuiMiniCheckerboard")), Rect2(button_offset, 0, h, h), true);
|
|
}
|
|
draw_rect(Rect2(button_offset, 0, h, h), grabbed_col);
|
|
if (grabbed_col.r > 1 || grabbed_col.g > 1 || grabbed_col.b > 1) {
|
|
// Draw an indicator to denote that the currently selected color is "overbright".
|
|
draw_texture(get_theme_icon(SNAME("overbright_indicator"), SNAME("ColorPicker")), Point2(button_offset, 0));
|
|
}
|
|
} else {
|
|
// If no color is selected, draw gray color with 'X' on top.
|
|
draw_rect(Rect2(button_offset, 0, h, h), Color(0.5, 0.5, 0.5, 1));
|
|
draw_line(Vector2(button_offset, 0), Vector2(button_offset + h, h), Color(0.8, 0.8, 0.8));
|
|
draw_line(Vector2(button_offset, h), Vector2(button_offset + h, 0), Color(0.8, 0.8, 0.8));
|
|
}
|
|
}
|
|
|
|
void GradientEdit::_notification(int p_what) {
|
|
switch (p_what) {
|
|
case NOTIFICATION_THEME_CHANGED: {
|
|
draw_spacing = BASE_SPACING * get_theme_default_base_scale();
|
|
handle_width = BASE_HANDLE_WIDTH * get_theme_default_base_scale();
|
|
} break;
|
|
case NOTIFICATION_DRAW: {
|
|
_redraw();
|
|
} break;
|
|
case NOTIFICATION_MOUSE_EXIT: {
|
|
if (hovered_index != -1) {
|
|
hovered_index = -1;
|
|
queue_redraw();
|
|
}
|
|
} break;
|
|
case NOTIFICATION_VISIBILITY_CHANGED: {
|
|
if (!is_visible()) {
|
|
grabbing = GRAB_NONE;
|
|
}
|
|
} break;
|
|
}
|
|
}
|
|
|
|
void GradientEdit::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_selected_index", "index"), &GradientEdit::set_selected_index);
|
|
}
|
|
|
|
GradientEdit::GradientEdit() {
|
|
set_focus_mode(FOCUS_ALL);
|
|
set_custom_minimum_size(Size2(0, 60) * EDSCALE);
|
|
|
|
picker = memnew(ColorPicker);
|
|
int picker_shape = EDITOR_GET("interface/inspector/default_color_picker_shape");
|
|
picker->set_picker_shape((ColorPicker::PickerShapeType)picker_shape);
|
|
picker->connect("color_changed", callable_mp(this, &GradientEdit::_color_changed));
|
|
|
|
popup = memnew(PopupPanel);
|
|
popup->connect("about_to_popup", callable_mp(EditorNode::get_singleton(), &EditorNode::setup_color_picker).bind(picker));
|
|
|
|
add_child(popup, false, INTERNAL_MODE_FRONT);
|
|
popup->add_child(picker);
|
|
|
|
preview_texture.instantiate();
|
|
preview_texture->set_width(1024);
|
|
}
|
|
|
|
///////////////////////
|
|
|
|
const int GradientEditor::DEFAULT_SNAP = 10;
|
|
|
|
void GradientEditor::_set_snap_enabled(bool p_enabled) {
|
|
gradient_editor_rect->set_snap_enabled(p_enabled);
|
|
snap_count_edit->set_visible(p_enabled);
|
|
}
|
|
|
|
void GradientEditor::_set_snap_count(int p_count) {
|
|
gradient_editor_rect->set_snap_count(CLAMP(p_count, 2, 100));
|
|
}
|
|
|
|
void GradientEditor::set_gradient(const Ref<Gradient> &p_gradient) {
|
|
gradient_editor_rect->set_gradient(p_gradient);
|
|
}
|
|
|
|
void GradientEditor::_notification(int p_what) {
|
|
switch (p_what) {
|
|
case NOTIFICATION_THEME_CHANGED: {
|
|
reverse_button->set_icon(get_editor_theme_icon(SNAME("ReverseGradient")));
|
|
snap_button->set_icon(get_editor_theme_icon(SNAME("SnapGrid")));
|
|
} break;
|
|
case NOTIFICATION_READY: {
|
|
Ref<Gradient> gradient = gradient_editor_rect->get_gradient();
|
|
if (gradient.is_valid()) {
|
|
// Set snapping settings based on the gradient's meta.
|
|
snap_button->set_pressed(gradient->get_meta("_snap_enabled", false));
|
|
snap_count_edit->set_value(gradient->get_meta("_snap_count", DEFAULT_SNAP));
|
|
}
|
|
} break;
|
|
}
|
|
}
|
|
|
|
GradientEditor::GradientEditor() {
|
|
HFlowContainer *toolbar = memnew(HFlowContainer);
|
|
add_child(toolbar);
|
|
|
|
reverse_button = memnew(Button);
|
|
reverse_button->set_tooltip_text(TTR("Reverse/Mirror Gradient"));
|
|
toolbar->add_child(reverse_button);
|
|
|
|
toolbar->add_child(memnew(VSeparator));
|
|
|
|
snap_button = memnew(Button);
|
|
snap_button->set_tooltip_text(TTR("Toggle Grid Snap"));
|
|
snap_button->set_toggle_mode(true);
|
|
toolbar->add_child(snap_button);
|
|
snap_button->connect("toggled", callable_mp(this, &GradientEditor::_set_snap_enabled));
|
|
|
|
snap_count_edit = memnew(EditorSpinSlider);
|
|
snap_count_edit->set_min(2);
|
|
snap_count_edit->set_max(100);
|
|
snap_count_edit->set_value(DEFAULT_SNAP);
|
|
snap_count_edit->set_custom_minimum_size(Size2(65 * EDSCALE, 0));
|
|
toolbar->add_child(snap_count_edit);
|
|
snap_count_edit->connect("value_changed", callable_mp(this, &GradientEditor::_set_snap_count));
|
|
|
|
gradient_editor_rect = memnew(GradientEdit);
|
|
add_child(gradient_editor_rect);
|
|
reverse_button->connect(SceneStringName(pressed), callable_mp(gradient_editor_rect, &GradientEdit::reverse_gradient));
|
|
|
|
set_mouse_filter(MOUSE_FILTER_STOP);
|
|
_set_snap_enabled(snap_button->is_pressed());
|
|
_set_snap_count(snap_count_edit->get_value());
|
|
}
|
|
|
|
///////////////////////
|
|
|
|
bool EditorInspectorPluginGradient::can_handle(Object *p_object) {
|
|
return Object::cast_to<Gradient>(p_object) != nullptr;
|
|
}
|
|
|
|
void EditorInspectorPluginGradient::parse_begin(Object *p_object) {
|
|
Gradient *gradient = Object::cast_to<Gradient>(p_object);
|
|
ERR_FAIL_NULL(gradient);
|
|
Ref<Gradient> g(gradient);
|
|
|
|
GradientEditor *editor = memnew(GradientEditor);
|
|
editor->set_gradient(g);
|
|
add_custom_control(editor);
|
|
}
|
|
|
|
///////////////////////
|
|
|
|
GradientEditorPlugin::GradientEditorPlugin() {
|
|
Ref<EditorInspectorPluginGradient> plugin;
|
|
plugin.instantiate();
|
|
add_inspector_plugin(plugin);
|
|
}
|