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https://github.com/godotengine/godot.git
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a3dda2df85
- Move most properties from TileMap to TileSet, - Make TileSet more flexible, supporting more feature (several collision layers, etc...), - Fusion both the TileMap and TileSet editor, - Implement TileSetSources, and thus a new way to index tiles in the TileSet, - Rework the TileSet and TileMap editors completely, - Implement an editor zoom widget (and use it in several places)
164 lines
6.9 KiB
C++
164 lines
6.9 KiB
C++
/*************************************************************************/
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/* editor_zoom_widget.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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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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 "editor_zoom_widget.h"
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#include "core/os/keyboard.h"
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#include "editor/editor_scale.h"
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#include "editor/editor_settings.h"
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void EditorZoomWidget::_update_zoom_label() {
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String zoom_text;
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// The zoom level displayed is relative to the editor scale
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// (like in most image editors). Its lower bound is clamped to 1 as some people
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// lower the editor scale to increase the available real estate,
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// even if their display doesn't have a particularly low DPI.
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if (zoom >= 10) {
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// Don't show a decimal when the zoom level is higher than 1000 %.
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zoom_text = TS->format_number(rtos(Math::round((zoom / MAX(1, EDSCALE)) * 100))) + " " + TS->percent_sign();
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} else {
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zoom_text = TS->format_number(rtos(Math::snapped((zoom / MAX(1, EDSCALE)) * 100, 0.1))) + " " + TS->percent_sign();
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}
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zoom_reset->set_text(zoom_text);
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}
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void EditorZoomWidget::_button_zoom_minus() {
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set_zoom_by_increments(-6);
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emit_signal("zoom_changed", zoom);
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}
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void EditorZoomWidget::_button_zoom_reset() {
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set_zoom(1.0);
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emit_signal("zoom_changed", zoom);
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}
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void EditorZoomWidget::_button_zoom_plus() {
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set_zoom_by_increments(6);
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emit_signal("zoom_changed", zoom);
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}
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float EditorZoomWidget::get_zoom() {
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return zoom;
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}
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void EditorZoomWidget::set_zoom(float p_zoom) {
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if (p_zoom > 0 && p_zoom != zoom) {
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zoom = p_zoom;
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_update_zoom_label();
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}
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}
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void EditorZoomWidget::set_zoom_by_increments(int p_increment_count) {
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// Base increment factor defined as the twelveth root of two.
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// This allow a smooth geometric evolution of the zoom, with the advantage of
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// visiting all integer power of two scale factors.
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// note: this is analogous to the 'semitones' interval in the music world
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// In order to avoid numerical imprecisions, we compute and edit a zoom index
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// with the following relation: zoom = 2 ^ (index / 12)
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if (zoom < CMP_EPSILON || p_increment_count == 0) {
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return;
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}
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// Remove Editor scale from the index computation
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float zoom_noscale = zoom / MAX(1, EDSCALE);
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// zoom = 2**(index/12) => log2(zoom) = index/12
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float closest_zoom_index = Math::round(Math::log(zoom_noscale) * 12.f / Math::log(2.f));
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float new_zoom_index = closest_zoom_index + p_increment_count;
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float new_zoom = Math::pow(2.f, new_zoom_index / 12.f);
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// Restore Editor scale transformation
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new_zoom *= MAX(1, EDSCALE);
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set_zoom(new_zoom);
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}
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void EditorZoomWidget::_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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zoom_minus->set_icon(get_theme_icon("ZoomLess", "EditorIcons"));
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zoom_plus->set_icon(get_theme_icon("ZoomMore", "EditorIcons"));
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break;
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default:
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break;
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}
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}
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void EditorZoomWidget::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_zoom", "zoom"), &EditorZoomWidget::set_zoom);
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ClassDB::bind_method(D_METHOD("get_zoom"), &EditorZoomWidget::get_zoom);
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ClassDB::bind_method(D_METHOD("set_zoom_by_increments", "increment"), &EditorZoomWidget::set_zoom_by_increments);
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ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "zoom"), "set_zoom", "get_zoom");
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ADD_SIGNAL(MethodInfo("zoom_changed", PropertyInfo(Variant::FLOAT, "zoom")));
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}
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EditorZoomWidget::EditorZoomWidget() {
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// Zoom buttons
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zoom_minus = memnew(Button);
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zoom_minus->set_flat(true);
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add_child(zoom_minus);
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zoom_minus->connect("pressed", callable_mp(this, &EditorZoomWidget::_button_zoom_minus));
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zoom_minus->set_shortcut(ED_SHORTCUT("canvas_item_editor/zoom_minus", TTR("Zoom Out"), KEY_MASK_CMD | KEY_MINUS));
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zoom_minus->set_shortcut_context(this);
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zoom_minus->set_focus_mode(FOCUS_NONE);
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zoom_reset = memnew(Button);
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zoom_reset->set_flat(true);
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add_child(zoom_reset);
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zoom_reset->add_theme_constant_override("outline_size", 1);
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zoom_reset->add_theme_color_override("font_outline_color", Color(0, 0, 0));
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zoom_reset->add_theme_color_override("font_color", Color(1, 1, 1));
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zoom_reset->connect("pressed", callable_mp(this, &EditorZoomWidget::_button_zoom_reset));
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zoom_reset->set_shortcut(ED_SHORTCUT("canvas_item_editor/zoom_reset", TTR("Zoom Reset"), KEY_MASK_CMD | KEY_0));
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zoom_reset->set_shortcut_context(this);
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zoom_reset->set_focus_mode(FOCUS_NONE);
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zoom_reset->set_text_align(Button::TextAlign::ALIGN_CENTER);
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// Prevent the button's size from changing when the text size changes
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zoom_reset->set_custom_minimum_size(Size2(75 * EDSCALE, 0));
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zoom_plus = memnew(Button);
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zoom_plus->set_flat(true);
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add_child(zoom_plus);
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zoom_plus->connect("pressed", callable_mp(this, &EditorZoomWidget::_button_zoom_plus));
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zoom_plus->set_shortcut(ED_SHORTCUT("canvas_item_editor/zoom_plus", TTR("Zoom In"), KEY_MASK_CMD | KEY_EQUAL)); // Usually direct access key for PLUS
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zoom_plus->set_shortcut_context(this);
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zoom_plus->set_focus_mode(FOCUS_NONE);
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_update_zoom_label();
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add_theme_constant_override("separation", Math::round(-8 * EDSCALE));
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}
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