godot/editor/plugins/style_box_editor_plugin.cpp

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/*************************************************************************/
/* style_box_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
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#include "style_box_editor_plugin.h"
#include "editor/editor_scale.h"
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bool StyleBoxPreview::grid_preview_enabled = true;
void StyleBoxPreview::_grid_preview_toggled(bool p_active) {
grid_preview_enabled = p_active;
preview->update();
}
bool EditorInspectorPluginStyleBox::can_handle(Object *p_object) {
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return Object::cast_to<StyleBox>(p_object) != nullptr;
}
void EditorInspectorPluginStyleBox::parse_begin(Object *p_object) {
Ref<StyleBox> sb = Ref<StyleBox>(Object::cast_to<StyleBox>(p_object));
StyleBoxPreview *preview = memnew(StyleBoxPreview);
preview->edit(sb);
add_custom_control(preview);
}
void StyleBoxPreview::edit(const Ref<StyleBox> &p_stylebox) {
if (stylebox.is_valid()) {
stylebox->disconnect("changed", callable_mp(this, &StyleBoxPreview::_sb_changed));
}
stylebox = p_stylebox;
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if (p_stylebox.is_valid()) {
preview->add_theme_style_override("panel", stylebox);
stylebox->connect("changed", callable_mp(this, &StyleBoxPreview::_sb_changed));
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}
Ref<StyleBoxTexture> sbt = p_stylebox;
grid_preview->set_visible(sbt.is_valid());
_sb_changed();
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}
void StyleBoxPreview::_sb_changed() {
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preview->update();
}
void StyleBoxPreview::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE:
case NOTIFICATION_THEME_CHANGED: {
if (!is_inside_tree()) {
// TODO: This is a workaround because `NOTIFICATION_THEME_CHANGED`
// is getting called for some reason when the `TexturePreview` is
// getting destroyed, which causes `get_theme_font()` to return `nullptr`.
// See https://github.com/godotengine/godot/issues/50743.
break;
}
grid_preview->set_normal_texture(get_theme_icon(SNAME("StyleBoxGridInvisible"), SNAME("EditorIcons")));
grid_preview->set_pressed_texture(get_theme_icon(SNAME("StyleBoxGridVisible"), SNAME("EditorIcons")));
grid_preview->set_hover_texture(get_theme_icon(SNAME("StyleBoxGridVisible"), SNAME("EditorIcons")));
checkerboard->set_texture(get_theme_icon(SNAME("Checkerboard"), SNAME("EditorIcons")));
} break;
}
}
void StyleBoxPreview::_redraw() {
if (stylebox.is_valid()) {
Ref<Texture2D> grid_texture_disabled = get_theme_icon(SNAME("StyleBoxGridInvisible"), SNAME("EditorIcons"));
Rect2 preview_rect = preview->get_rect();
preview_rect.position += grid_texture_disabled->get_size();
preview_rect.size -= grid_texture_disabled->get_size() * 2;
// Re-adjust preview panel to fit all drawn content
Rect2 draw_rect = stylebox->get_draw_rect(preview_rect);
preview_rect.size -= draw_rect.size - preview_rect.size;
preview_rect.position -= draw_rect.position - preview_rect.position;
preview->draw_style_box(stylebox, preview_rect);
Ref<StyleBoxTexture> sbt = stylebox;
if (sbt.is_valid() && grid_preview->is_pressed()) {
for (int i = 0; i < 2; i++) {
Color c = i == 1 ? Color(1, 1, 1, 0.8) : Color(0, 0, 0, 0.4);
int x = draw_rect.position.x + sbt->get_margin(SIDE_LEFT) + (1 - i);
preview->draw_line(Point2(x, 0), Point2(x, preview->get_size().height), c);
int x2 = draw_rect.position.x + draw_rect.size.width - sbt->get_margin(SIDE_RIGHT) + (1 - i);
preview->draw_line(Point2(x2, 0), Point2(x2, preview->get_size().height), c);
int y = draw_rect.position.y + sbt->get_margin(SIDE_TOP) + (1 - i);
preview->draw_line(Point2(0, y), Point2(preview->get_size().width, y), c);
int y2 = draw_rect.position.y + draw_rect.size.height - sbt->get_margin(SIDE_BOTTOM) + (1 - i);
preview->draw_line(Point2(0, y2), Point2(preview->get_size().width, y2), c);
}
}
}
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}
void StyleBoxPreview::_bind_methods() {
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}
StyleBoxPreview::StyleBoxPreview() {
checkerboard = memnew(TextureRect);
checkerboard->set_stretch_mode(TextureRect::STRETCH_TILE);
checkerboard->set_texture_repeat(CanvasItem::TEXTURE_REPEAT_ENABLED);
checkerboard->set_custom_minimum_size(Size2(0.0, 150.0) * EDSCALE);
preview = memnew(Control);
preview->set_clip_contents(true);
preview->connect("draw", callable_mp(this, &StyleBoxPreview::_redraw));
checkerboard->add_child(preview);
preview->set_anchors_and_offsets_preset(PRESET_WIDE);
add_margin_child(TTR("Preview:"), checkerboard);
grid_preview = memnew(TextureButton);
preview->add_child(grid_preview);
grid_preview->set_toggle_mode(true);
grid_preview->connect("toggled", callable_mp(this, &StyleBoxPreview::_grid_preview_toggled));
grid_preview->set_pressed(grid_preview_enabled);
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}
StyleBoxEditorPlugin::StyleBoxEditorPlugin() {
Ref<EditorInspectorPluginStyleBox> inspector_plugin;
inspector_plugin.instantiate();
add_inspector_plugin(inspector_plugin);
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}