godot/editor/debugger/editor_debugger_tree.cpp

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/*************************************************************************/
/* editor_debugger_tree.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#include "editor_debugger_tree.h"
#include "editor/editor_file_dialog.h"
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#include "editor/editor_node.h"
#include "editor/scene_tree_dock.h"
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#include "scene/debugger/scene_debugger.h"
#include "scene/resources/packed_scene.h"
#include "servers/display_server.h"
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EditorDebuggerTree::EditorDebuggerTree() {
set_v_size_flags(SIZE_EXPAND_FILL);
set_allow_rmb_select(true);
// Popup
item_menu = memnew(PopupMenu);
item_menu->connect("id_pressed", callable_mp(this, &EditorDebuggerTree::_item_menu_id_pressed));
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add_child(item_menu);
// File Dialog
file_dialog = memnew(EditorFileDialog);
file_dialog->connect("file_selected", callable_mp(this, &EditorDebuggerTree::_file_selected));
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add_child(file_dialog);
}
void EditorDebuggerTree::_notification(int p_what) {
if (p_what == NOTIFICATION_POSTINITIALIZE) {
connect("cell_selected", callable_mp(this, &EditorDebuggerTree::_scene_tree_selected));
connect("item_collapsed", callable_mp(this, &EditorDebuggerTree::_scene_tree_folded));
connect("item_rmb_selected", callable_mp(this, &EditorDebuggerTree::_scene_tree_rmb_selected));
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}
}
void EditorDebuggerTree::_bind_methods() {
ADD_SIGNAL(MethodInfo("object_selected", PropertyInfo(Variant::INT, "object_id"), PropertyInfo(Variant::INT, "debugger")));
ADD_SIGNAL(MethodInfo("save_node", PropertyInfo(Variant::INT, "object_id"), PropertyInfo(Variant::STRING, "filename"), PropertyInfo(Variant::INT, "debugger")));
}
void EditorDebuggerTree::_scene_tree_selected() {
if (updating_scene_tree) {
return;
}
TreeItem *item = get_selected();
if (!item) {
return;
}
inspected_object_id = uint64_t(item->get_metadata(0));
emit_signal(SNAME("object_selected"), inspected_object_id, debugger_id);
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}
void EditorDebuggerTree::_scene_tree_folded(Object *p_obj) {
if (updating_scene_tree) {
return;
}
TreeItem *item = Object::cast_to<TreeItem>(p_obj);
if (!item) {
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return;
}
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ObjectID id = ObjectID(uint64_t(item->get_metadata(0)));
if (unfold_cache.has(id)) {
unfold_cache.erase(id);
} else {
unfold_cache.insert(id);
}
}
void EditorDebuggerTree::_scene_tree_rmb_selected(const Vector2 &p_position) {
TreeItem *item = get_item_at_position(p_position);
if (!item) {
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return;
}
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item->select(0);
item_menu->clear();
item_menu->add_icon_item(get_theme_icon(SNAME("CreateNewSceneFrom"), SNAME("EditorIcons")), TTR("Save Branch as Scene"), ITEM_MENU_SAVE_REMOTE_NODE);
item_menu->add_icon_item(get_theme_icon(SNAME("CopyNodePath"), SNAME("EditorIcons")), TTR("Copy Node Path"), ITEM_MENU_COPY_NODE_PATH);
item_menu->set_position(get_screen_position() + get_local_mouse_position());
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item_menu->popup();
}
/// Populates inspect_scene_tree given data in nodes as a flat list, encoded depth first.
///
/// Given a nodes array like [R,A,B,C,D,E] the following Tree will be generated, assuming
/// filter is an empty String, R and A child count are 2, B is 1 and C, D and E are 0.
///
/// R
/// |-A
/// | |-B
/// | | |-C
/// | |
/// | |-D
/// |
/// |-E
///
void EditorDebuggerTree::update_scene_tree(const SceneDebuggerTree *p_tree, int p_debugger) {
updating_scene_tree = true;
const String last_path = get_selected_path();
const String filter = SceneTreeDock::get_singleton()->get_filter();
bool filter_changed = filter != last_filter;
TreeItem *scroll_item = nullptr;
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// Nodes are in a flatten list, depth first. Use a stack of parents, avoid recursion.
List<Pair<TreeItem *, int>> parents;
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for (int i = 0; i < p_tree->nodes.size(); i++) {
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TreeItem *parent = nullptr;
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if (parents.size()) { // Find last parent.
Pair<TreeItem *, int> &p = parents[0];
parent = p.first;
if (!(--p.second)) { // If no child left, remove it.
parents.pop_front();
}
}
// Add this node.
const SceneDebuggerTree::RemoteNode &node = p_tree->nodes[i];
TreeItem *item = create_item(parent);
item->set_text(0, node.name);
item->set_tooltip(0, TTR("Type:") + " " + node.type_name);
Ref<Texture2D> icon = EditorNode::get_singleton()->get_class_icon(node.type_name, "");
if (icon.is_valid()) {
item->set_icon(0, icon);
}
item->set_metadata(0, node.id);
// Set current item as collapsed if necessary (root is never collapsed)
if (parent) {
if (!unfold_cache.has(node.id)) {
item->set_collapsed(true);
}
}
// Select previously selected node.
if (debugger_id == p_debugger) { // Can use remote id.
if (node.id == inspected_object_id) {
item->select(0);
if (filter_changed) {
scroll_item = item;
}
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}
} else { // Must use path
if (last_path == _get_path(item)) {
updating_scene_tree = false; // Force emission of new selection
item->select(0);
if (filter_changed) {
scroll_item = item;
}
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updating_scene_tree = true;
}
}
// Add in front of the parents stack if children are expected.
if (node.child_count) {
parents.push_front(Pair<TreeItem *, int>(item, node.child_count));
} else {
// Apply filters.
while (parent) {
const bool had_siblings = item->get_prev() || item->get_next();
if (filter.is_subsequence_ofn(item->get_text(0))) {
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break; // Filter matches, must survive.
}
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parent->remove_child(item);
memdelete(item);
if (scroll_item == item) {
scroll_item = nullptr;
}
if (had_siblings) {
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break; // Parent must survive.
}
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item = parent;
parent = item->get_parent();
// Check if parent expects more children.
for (int j = 0; j < parents.size(); j++) {
if (parents[j].first == item) {
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parent = nullptr;
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break; // Might have more children.
}
}
}
}
}
debugger_id = p_debugger; // Needed by hook, could be avoided if every debugger had its own tree
if (scroll_item) {
call_deferred(SNAME("scroll_to_item"), scroll_item);
}
last_filter = filter;
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updating_scene_tree = false;
}
String EditorDebuggerTree::get_selected_path() {
if (!get_selected()) {
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return "";
}
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return _get_path(get_selected());
}
String EditorDebuggerTree::_get_path(TreeItem *p_item) {
ERR_FAIL_COND_V(!p_item, "");
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if (p_item->get_parent() == nullptr) {
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return "/root";
}
String text = p_item->get_text(0);
TreeItem *cur = p_item->get_parent();
while (cur) {
text = cur->get_text(0) + "/" + text;
cur = cur->get_parent();
}
return "/" + text;
}
void EditorDebuggerTree::_item_menu_id_pressed(int p_option) {
switch (p_option) {
case ITEM_MENU_SAVE_REMOTE_NODE: {
file_dialog->set_access(EditorFileDialog::ACCESS_RESOURCES);
file_dialog->set_file_mode(EditorFileDialog::FILE_MODE_SAVE_FILE);
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List<String> extensions;
Ref<PackedScene> sd = memnew(PackedScene);
ResourceSaver::get_recognized_extensions(sd, &extensions);
file_dialog->clear_filters();
for (int i = 0; i < extensions.size(); i++) {
file_dialog->add_filter("*." + extensions[i] + " ; " + extensions[i].to_upper());
}
file_dialog->popup_file_dialog();
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} break;
case ITEM_MENU_COPY_NODE_PATH: {
String text = get_selected_path();
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if (text.is_empty()) {
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return;
} else if (text == "/root") {
text = ".";
} else {
text = text.replace("/root/", "");
int slash = text.find("/");
if (slash < 0) {
text = ".";
} else {
text = text.substr(slash + 1);
}
}
DisplayServer::get_singleton()->clipboard_set(text);
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} break;
}
}
void EditorDebuggerTree::_file_selected(const String &p_file) {
if (inspected_object_id.is_null()) {
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return;
}
emit_signal(SNAME("save_node"), inspected_object_id, p_file, debugger_id);
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}