virtualx-engine/editor/plugins/style_box_editor_plugin.cpp
2023-09-03 19:58:18 +02:00

137 lines
6.2 KiB
C++

/**************************************************************************/
/* style_box_editor_plugin.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#include "style_box_editor_plugin.h"
#include "editor/editor_scale.h"
#include "scene/gui/button.h"
#include "scene/resources/style_box_texture.h"
bool StyleBoxPreview::grid_preview_enabled = true;
void StyleBoxPreview::_grid_preview_toggled(bool p_active) {
grid_preview_enabled = p_active;
queue_redraw();
}
void StyleBoxPreview::edit(const Ref<StyleBox> &p_stylebox) {
if (stylebox.is_valid()) {
stylebox->disconnect_changed(callable_mp((CanvasItem *)this, &CanvasItem::queue_redraw));
}
stylebox = p_stylebox;
if (stylebox.is_valid()) {
stylebox->connect_changed(callable_mp((CanvasItem *)this, &CanvasItem::queue_redraw));
}
Ref<StyleBoxTexture> sbt = stylebox;
grid_preview->set_visible(sbt.is_valid());
queue_redraw();
}
void StyleBoxPreview::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_THEME_CHANGED: {
set_texture(get_editor_theme_icon(SNAME("Checkerboard")));
grid_preview->set_icon(get_editor_theme_icon(SNAME("StyleBoxGrid")));
} break;
case NOTIFICATION_DRAW: {
_redraw();
} break;
}
}
void StyleBoxPreview::_redraw() {
if (stylebox.is_valid()) {
float grid_button_width = get_editor_theme_icon(SNAME("StyleBoxGrid"))->get_size().x;
Rect2 preview_rect = get_rect();
preview_rect = preview_rect.grow(-grid_button_width);
// Re-adjust preview panel to fit all drawn content.
Rect2 drawing_rect = stylebox->get_draw_rect(preview_rect);
preview_rect.size -= drawing_rect.size - preview_rect.size;
preview_rect.position -= drawing_rect.position - preview_rect.position;
draw_style_box(stylebox, preview_rect);
Ref<StyleBoxTexture> sbt = stylebox;
// Draw the "grid". Use white lines, as well as subtle black lines to ensure contrast.
if (sbt.is_valid() && grid_preview->is_pressed()) {
const Color dark_color = Color(0, 0, 0, 0.4);
const Color bright_color = Color(1, 1, 1, 0.8);
int x_left = drawing_rect.position.x + sbt->get_margin(SIDE_LEFT);
int x_right = drawing_rect.position.x + drawing_rect.size.width - sbt->get_margin(SIDE_RIGHT);
int y_top = drawing_rect.position.y + sbt->get_margin(SIDE_TOP);
int y_bottom = drawing_rect.position.y + drawing_rect.size.height - sbt->get_margin(SIDE_BOTTOM);
draw_line(Point2(x_left + 2, 0), Point2(x_left + 2, get_size().height), dark_color);
draw_line(Point2(x_right + 1, 0), Point2(x_right + 1, get_size().height), dark_color);
draw_line(Point2(0, y_top + 2), Point2(get_size().width, y_top + 2), dark_color);
draw_line(Point2(0, y_bottom + 1), Point2(get_size().width, y_bottom + 1), dark_color);
draw_line(Point2(x_left + 1, 0), Point2(x_left + 1, get_size().height), bright_color);
draw_line(Point2(x_right, 0), Point2(x_right, get_size().height), bright_color);
draw_line(Point2(0, y_top + 1), Point2(get_size().width, y_top + 1), bright_color);
draw_line(Point2(0, y_bottom), Point2(get_size().width, y_bottom), bright_color);
}
}
}
StyleBoxPreview::StyleBoxPreview() {
set_clip_contents(true);
set_custom_minimum_size(Size2(0, 150) * EDSCALE);
set_stretch_mode(TextureRect::STRETCH_TILE);
set_texture_repeat(CanvasItem::TEXTURE_REPEAT_ENABLED);
set_anchors_and_offsets_preset(PRESET_FULL_RECT);
grid_preview = memnew(Button);
// This theme variation works better than the normal theme because there's no focus highlight.
grid_preview->set_theme_type_variation("PreviewLightButton");
grid_preview->set_toggle_mode(true);
grid_preview->connect("toggled", callable_mp(this, &StyleBoxPreview::_grid_preview_toggled));
grid_preview->set_pressed(grid_preview_enabled);
add_child(grid_preview);
}
bool EditorInspectorPluginStyleBox::can_handle(Object *p_object) {
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);
}
StyleBoxEditorPlugin::StyleBoxEditorPlugin() {
Ref<EditorInspectorPluginStyleBox> inspector_plugin;
inspector_plugin.instantiate();
add_inspector_plugin(inspector_plugin);
}