godot/editor/gui/editor_object_selector.cpp
2024-05-14 15:51:28 +02:00

258 lines
8.8 KiB
C++

/**************************************************************************/
/* editor_object_selector.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 "editor_object_selector.h"
#include "editor/editor_data.h"
#include "editor/editor_node.h"
#include "editor/editor_string_names.h"
#include "editor/multi_node_edit.h"
#include "editor/themes/editor_scale.h"
#include "scene/gui/margin_container.h"
Size2 EditorObjectSelector::get_minimum_size() const {
Ref<Font> font = get_theme_font(SNAME("font"));
int font_size = get_theme_font_size(SNAME("font_size"));
return Button::get_minimum_size() + Size2(0, font->get_height(font_size));
}
void EditorObjectSelector::_add_children_to_popup(Object *p_obj, int p_depth) {
if (p_depth > 8) {
return;
}
List<PropertyInfo> pinfo;
p_obj->get_property_list(&pinfo);
for (const PropertyInfo &E : pinfo) {
if (!(E.usage & PROPERTY_USAGE_EDITOR)) {
continue;
}
if (E.hint != PROPERTY_HINT_RESOURCE_TYPE) {
continue;
}
Variant value = p_obj->get(E.name);
if (value.get_type() != Variant::OBJECT) {
continue;
}
Object *obj = value;
if (!obj) {
continue;
}
Ref<Texture2D> obj_icon = EditorNode::get_singleton()->get_object_icon(obj);
String proper_name = "";
Vector<String> name_parts = E.name.split("/");
for (int i = 0; i < name_parts.size(); i++) {
if (i > 0) {
proper_name += " > ";
}
proper_name += name_parts[i].capitalize();
}
int index = sub_objects_menu->get_item_count();
sub_objects_menu->add_icon_item(obj_icon, proper_name, objects.size());
sub_objects_menu->set_item_indent(index, p_depth);
objects.push_back(obj->get_instance_id());
_add_children_to_popup(obj, p_depth + 1);
}
}
void EditorObjectSelector::_show_popup() {
if (sub_objects_menu->is_visible()) {
sub_objects_menu->hide();
return;
}
sub_objects_menu->clear();
Size2 size = get_size();
Point2 gp = get_screen_position();
gp.y += size.y;
sub_objects_menu->set_position(gp);
sub_objects_menu->set_size(Size2(size.width, 1));
sub_objects_menu->take_mouse_focus();
sub_objects_menu->popup();
}
void EditorObjectSelector::_about_to_show() {
Object *obj = ObjectDB::get_instance(history->get_path_object(history->get_path_size() - 1));
if (!obj) {
return;
}
objects.clear();
_add_children_to_popup(obj);
if (sub_objects_menu->get_item_count() == 0) {
sub_objects_menu->add_item(TTR("No sub-resources found."));
sub_objects_menu->set_item_disabled(0, true);
}
}
void EditorObjectSelector::update_path() {
for (int i = 0; i < history->get_path_size(); i++) {
Object *obj = ObjectDB::get_instance(history->get_path_object(i));
if (!obj) {
continue;
}
Ref<Texture2D> obj_icon;
if (Object::cast_to<MultiNodeEdit>(obj)) {
obj_icon = EditorNode::get_singleton()->get_class_icon(Object::cast_to<MultiNodeEdit>(obj)->get_edited_class_name());
} else {
obj_icon = EditorNode::get_singleton()->get_object_icon(obj);
}
if (obj_icon.is_valid()) {
current_object_icon->set_texture(obj_icon);
}
if (i == history->get_path_size() - 1) {
String name;
if (obj->has_method("_get_editor_name")) {
name = obj->call("_get_editor_name");
} else if (Object::cast_to<Resource>(obj)) {
Resource *r = Object::cast_to<Resource>(obj);
if (r->get_path().is_resource_file()) {
name = r->get_path().get_file();
} else {
name = r->get_name();
}
if (name.is_empty()) {
name = r->get_class();
}
} else if (obj->is_class("EditorDebuggerRemoteObject")) {
name = obj->call("get_title");
} else if (Object::cast_to<Node>(obj)) {
name = Object::cast_to<Node>(obj)->get_name();
} else if (Object::cast_to<Resource>(obj) && !Object::cast_to<Resource>(obj)->get_name().is_empty()) {
name = Object::cast_to<Resource>(obj)->get_name();
} else {
name = obj->get_class();
}
current_object_label->set_text(name);
set_tooltip_text(obj->get_class());
}
}
}
void EditorObjectSelector::clear_path() {
set_disabled(true);
set_tooltip_text("");
current_object_label->set_text("");
current_object_icon->set_texture(nullptr);
sub_objects_icon->hide();
}
void EditorObjectSelector::enable_path() {
set_disabled(false);
sub_objects_icon->show();
}
void EditorObjectSelector::_id_pressed(int p_idx) {
ERR_FAIL_INDEX(p_idx, objects.size());
Object *obj = ObjectDB::get_instance(objects[p_idx]);
if (!obj) {
return;
}
EditorNode::get_singleton()->push_item(obj);
}
void EditorObjectSelector::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE:
case NOTIFICATION_THEME_CHANGED: {
update_path();
int icon_size = get_theme_constant(SNAME("class_icon_size"), EditorStringName(Editor));
current_object_icon->set_custom_minimum_size(Size2(icon_size, icon_size));
current_object_label->add_theme_font_override("font", get_theme_font(SNAME("main"), EditorStringName(EditorFonts)));
sub_objects_icon->set_texture(get_theme_icon(SNAME("arrow"), SNAME("OptionButton")));
sub_objects_menu->add_theme_constant_override("icon_max_width", icon_size);
} break;
case NOTIFICATION_READY: {
connect(SceneStringName(pressed), callable_mp(this, &EditorObjectSelector::_show_popup));
} break;
}
}
void EditorObjectSelector::_bind_methods() {
}
EditorObjectSelector::EditorObjectSelector(EditorSelectionHistory *p_history) {
history = p_history;
MarginContainer *main_mc = memnew(MarginContainer);
main_mc->set_anchors_and_offsets_preset(PRESET_FULL_RECT);
main_mc->add_theme_constant_override("margin_left", 4 * EDSCALE);
main_mc->add_theme_constant_override("margin_right", 6 * EDSCALE);
add_child(main_mc);
HBoxContainer *main_hb = memnew(HBoxContainer);
main_mc->add_child(main_hb);
current_object_icon = memnew(TextureRect);
current_object_icon->set_stretch_mode(TextureRect::STRETCH_KEEP_ASPECT_CENTERED);
current_object_icon->set_expand_mode(TextureRect::EXPAND_IGNORE_SIZE);
main_hb->add_child(current_object_icon);
current_object_label = memnew(Label);
current_object_label->set_text_overrun_behavior(TextServer::OVERRUN_TRIM_ELLIPSIS);
current_object_label->set_h_size_flags(SIZE_EXPAND_FILL);
current_object_label->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
main_hb->add_child(current_object_label);
sub_objects_icon = memnew(TextureRect);
sub_objects_icon->hide();
sub_objects_icon->set_stretch_mode(TextureRect::STRETCH_KEEP_CENTERED);
main_hb->add_child(sub_objects_icon);
sub_objects_menu = memnew(PopupMenu);
sub_objects_menu->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
add_child(sub_objects_menu);
sub_objects_menu->connect("about_to_popup", callable_mp(this, &EditorObjectSelector::_about_to_show));
sub_objects_menu->connect("id_pressed", callable_mp(this, &EditorObjectSelector::_id_pressed));
set_tooltip_text(TTR("Open a list of sub-resources."));
}