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scene_tree_editor.cpp
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scene_tree_editor.cpp
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/**************************************************************************/
/* scene_tree_editor.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 "scene_tree_editor.h"
#include "core/config/project_settings.h"
#include "core/object/message_queue.h"
#include "editor/editor_file_system.h"
#include "editor/editor_node.h"
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"
#include "editor/editor_undo_redo_manager.h"
#include "editor/node_dock.h"
#include "editor/plugins/animation_player_editor_plugin.h"
#include "editor/plugins/canvas_item_editor_plugin.h"
#include "editor/plugins/script_editor_plugin.h"
#include "scene/gui/label.h"
#include "scene/gui/tab_container.h"
#include "scene/gui/texture_rect.h"
#include "scene/main/window.h"
#include "scene/resources/packed_scene.h"
Node *SceneTreeEditor::get_scene_node() {
ERR_FAIL_COND_V(!is_inside_tree(), nullptr);
return get_tree()->get_edited_scene_root();
}
void SceneTreeEditor::_cell_button_pressed(Object *p_item, int p_column, int p_id, MouseButton p_button) {
if (p_button != MouseButton::LEFT) {
return;
}
if (connect_to_script_mode) {
return; //don't do anything in this mode
}
TreeItem *item = Object::cast_to<TreeItem>(p_item);
ERR_FAIL_COND(!item);
NodePath np = item->get_metadata(0);
Node *n = get_node(np);
ERR_FAIL_COND(!n);
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
if (p_id == BUTTON_SUBSCENE) {
if (n == get_scene_node()) {
if (n && n->get_scene_inherited_state().is_valid()) {
emit_signal(SNAME("open"), n->get_scene_inherited_state()->get_path());
}
} else {
emit_signal(SNAME("open"), n->get_scene_file_path());
}
} else if (p_id == BUTTON_SCRIPT) {
Ref<Script> script_typed = n->get_script();
if (!script_typed.is_null()) {
emit_signal(SNAME("open_script"), script_typed);
}
} else if (p_id == BUTTON_VISIBILITY) {
undo_redo->create_action(TTR("Toggle Visible"));
_toggle_visible(n);
List<Node *> selection = editor_selection->get_selected_node_list();
if (selection.size() > 1 && selection.find(n) != nullptr) {
for (Node *nv : selection) {
ERR_FAIL_COND(!nv);
if (nv == n) {
continue;
}
_toggle_visible(nv);
}
}
undo_redo->commit_action();
} else if (p_id == BUTTON_LOCK) {
undo_redo->create_action(TTR("Unlock Node"));
if (n->is_class("CanvasItem") || n->is_class("Node3D")) {
undo_redo->add_do_method(n, "remove_meta", "_edit_lock_");
undo_redo->add_undo_method(n, "set_meta", "_edit_lock_", true);
undo_redo->add_do_method(this, "_update_tree");
undo_redo->add_undo_method(this, "_update_tree");
undo_redo->add_do_method(this, "emit_signal", "node_changed");
undo_redo->add_undo_method(this, "emit_signal", "node_changed");
}
undo_redo->commit_action();
} else if (p_id == BUTTON_PIN) {
if (n->is_class("AnimationPlayer")) {
AnimationPlayerEditor::get_singleton()->unpin();
_update_tree();
}
} else if (p_id == BUTTON_GROUP) {
undo_redo->create_action(TTR("Button Group"));
if (n->is_class("CanvasItem") || n->is_class("Node3D")) {
undo_redo->add_do_method(n, "remove_meta", "_edit_group_");
undo_redo->add_undo_method(n, "set_meta", "_edit_group_", true);
undo_redo->add_do_method(this, "_update_tree");
undo_redo->add_undo_method(this, "_update_tree");
undo_redo->add_do_method(this, "emit_signal", "node_changed");
undo_redo->add_undo_method(this, "emit_signal", "node_changed");
}
undo_redo->commit_action();
} else if (p_id == BUTTON_WARNING) {
String config_err = n->get_configuration_warnings_as_string();
if (config_err.is_empty()) {
return;
}
const PackedInt32Array boundaries = TS->string_get_word_breaks(config_err, "", 80);
PackedStringArray lines;
for (int i = 0; i < boundaries.size(); i += 2) {
const int start = boundaries[i];
const int end = boundaries[i + 1];
lines.append(config_err.substr(start, end - start + 1));
}
warning->set_text(String("\n").join(lines));
warning->popup_centered();
} else if (p_id == BUTTON_SIGNALS) {
editor_selection->clear();
editor_selection->add_node(n);
set_selected(n);
TabContainer *tab_container = Object::cast_to<TabContainer>(NodeDock::get_singleton()->get_parent());
NodeDock::get_singleton()->get_parent()->call("set_current_tab", tab_container->get_tab_idx_from_control(NodeDock::get_singleton()));
NodeDock::get_singleton()->show_connections();
} else if (p_id == BUTTON_GROUPS) {
editor_selection->clear();
editor_selection->add_node(n);
set_selected(n);
TabContainer *tab_container = Object::cast_to<TabContainer>(NodeDock::get_singleton()->get_parent());
NodeDock::get_singleton()->get_parent()->call("set_current_tab", tab_container->get_tab_idx_from_control(NodeDock::get_singleton()));
NodeDock::get_singleton()->show_groups();
} else if (p_id == BUTTON_UNIQUE) {
undo_redo->create_action(TTR("Disable Scene Unique Name"));
undo_redo->add_do_method(n, "set_unique_name_in_owner", false);
undo_redo->add_undo_method(n, "set_unique_name_in_owner", true);
undo_redo->add_do_method(this, "_update_tree");
undo_redo->add_undo_method(this, "_update_tree");
undo_redo->commit_action();
}
}
void SceneTreeEditor::_toggle_visible(Node *p_node) {
if (p_node->has_method("is_visible") && p_node->has_method("set_visible")) {
bool v = bool(p_node->call("is_visible"));
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->add_do_method(p_node, "set_visible", !v);
undo_redo->add_undo_method(p_node, "set_visible", v);
}
}
void SceneTreeEditor::_add_nodes(Node *p_node, TreeItem *p_parent) {
if (!p_node) {
return;
}
// only owned nodes are editable, since nodes can create their own (manually owned) child nodes,
// which the editor needs not to know about.
bool part_of_subscene = false;
if (!display_foreign && p_node->get_owner() != get_scene_node() && p_node != get_scene_node()) {
if ((show_enabled_subscene || can_open_instance) && p_node->get_owner() && (get_scene_node()->is_editable_instance(p_node->get_owner()))) {
part_of_subscene = true;
//allow
} else {
return;
}
} else {
part_of_subscene = p_node != get_scene_node() && get_scene_node()->get_scene_inherited_state().is_valid() && get_scene_node()->get_scene_inherited_state()->find_node_by_path(get_scene_node()->get_path_to(p_node)) >= 0;
}
TreeItem *item = tree->create_item(p_parent);
item->set_text(0, p_node->get_name());
if (can_rename && !part_of_subscene) {
item->set_editable(0, true);
}
item->set_selectable(0, true);
if (can_rename) {
bool collapsed = p_node->is_displayed_folded();
if (collapsed) {
item->set_collapsed(true);
}
}
Ref<Texture2D> icon = EditorNode::get_singleton()->get_object_icon(p_node, "Node");
item->set_icon(0, icon);
item->set_metadata(0, p_node->get_path());
if (connect_to_script_mode) {
Color accent = get_theme_color(SNAME("accent_color"), SNAME("Editor"));
Ref<Script> scr = p_node->get_script();
if (!scr.is_null() && EditorNode::get_singleton()->get_object_custom_type_base(p_node) != scr) {
//has script
item->add_button(0, get_theme_icon(SNAME("Script"), SNAME("EditorIcons")), BUTTON_SCRIPT);
} else {
//has no script (or script is a custom type)
item->set_custom_color(0, get_theme_color(SNAME("disabled_font_color"), SNAME("Editor")));
item->set_selectable(0, false);
if (!scr.is_null()) { // make sure to mark the script if a custom type
item->add_button(0, get_theme_icon(SNAME("Script"), SNAME("EditorIcons")), BUTTON_SCRIPT);
item->set_button_disabled(0, item->get_button_count(0) - 1, true);
}
accent.a *= 0.7;
}
if (marked.has(p_node)) {
String node_name = p_node->get_name();
if (connecting_signal) {
node_name += " " + TTR("(Connecting From)");
}
item->set_text(0, node_name);
item->set_custom_color(0, accent);
}
} else if (part_of_subscene) {
if (valid_types.size() == 0) {
item->set_custom_color(0, get_theme_color(SNAME("warning_color"), SNAME("Editor")));
}
} else if (marked.has(p_node)) {
String node_name = p_node->get_name();
if (connecting_signal) {
node_name += " " + TTR("(Connecting From)");
}
item->set_text(0, node_name);
item->set_selectable(0, marked_selectable);
item->set_custom_color(0, get_theme_color(SNAME("accent_color"), SNAME("Editor")));
} else if (!p_node->can_process()) {
item->set_custom_color(0, get_theme_color(SNAME("disabled_font_color"), SNAME("Editor")));
} else if (!marked_selectable && !marked_children_selectable) {
Node *node = p_node;
while (node) {
if (marked.has(node)) {
item->set_selectable(0, false);
item->set_custom_color(0, get_theme_color(SNAME("error_color"), SNAME("Editor")));
break;
}
node = node->get_parent();
}
}
if (can_rename) { //should be can edit..
String conf_warning = p_node->get_configuration_warnings_as_string();
if (!conf_warning.is_empty()) {
const int num_warnings = p_node->get_configuration_warnings().size();
String warning_icon;
if (num_warnings == 1) {
warning_icon = SNAME("NodeWarning");
} else if (num_warnings <= 3) {
warning_icon = vformat("NodeWarnings%d", num_warnings);
} else {
warning_icon = SNAME("NodeWarnings4Plus");
}
// Improve looks on tooltip, extra spacing on non-bullet point newlines.
const String bullet_point = String::utf8("• ");
int next_newline = 0;
while (next_newline != -1) {
next_newline = conf_warning.find("\n", next_newline + 2);
if (conf_warning.substr(next_newline + 1, bullet_point.length()) != bullet_point) {
conf_warning = conf_warning.insert(next_newline + 1, " ");
}
}
String newline = (num_warnings == 1 ? "\n" : "\n\n");
item->add_button(0, get_theme_icon(warning_icon, SNAME("EditorIcons")), BUTTON_WARNING, false, TTR("Node configuration warning:") + newline + conf_warning);
}
if (p_node->is_unique_name_in_owner()) {
item->add_button(0, get_theme_icon(SNAME("SceneUniqueName"), SNAME("EditorIcons")), BUTTON_UNIQUE, false, vformat(TTR("This node can be accessed from within anywhere in the scene by preceding it with the '%s' prefix in a node path.\nClick to disable this."), UNIQUE_NODE_PREFIX));
}
int num_connections = p_node->get_persistent_signal_connection_count();
int num_groups = p_node->get_persistent_group_count();
String msg_temp;
if (num_connections >= 1) {
Array arr;
arr.push_back(num_connections);
msg_temp += TTRN("Node has one connection.", "Node has {num} connections.", num_connections).format(arr, "{num}");
if (num_groups >= 1) {
msg_temp += "\n";
}
}
if (num_groups >= 1) {
msg_temp += TTRN("Node is in this group:", "Node is in the following groups:", num_groups) + "\n";
List<GroupInfo> groups;
p_node->get_groups(&groups);
for (const GroupInfo &E : groups) {
if (E.persistent) {
msg_temp += String::utf8("• ") + String(E.name) + "\n";
}
}
}
if (num_connections >= 1 || num_groups >= 1) {
if (num_groups < 1) {
msg_temp += "\n";
}
msg_temp += TTR("Click to show signals dock.");
}
Ref<Texture2D> icon_temp;
SceneTreeEditorButton signal_temp = BUTTON_SIGNALS;
if (num_connections >= 1 && num_groups >= 1) {
icon_temp = get_theme_icon(SNAME("SignalsAndGroups"), SNAME("EditorIcons"));
} else if (num_connections >= 1) {
icon_temp = get_theme_icon(SNAME("Signals"), SNAME("EditorIcons"));
} else if (num_groups >= 1) {
icon_temp = get_theme_icon(SNAME("Groups"), SNAME("EditorIcons"));
signal_temp = BUTTON_GROUPS;
}
if (num_connections >= 1 || num_groups >= 1) {
item->add_button(0, icon_temp, signal_temp, false, msg_temp);
}
}
{
// Display the node name in all tooltips so that long node names can be previewed
// without having to rename them.
String tooltip = String(p_node->get_name());
if (p_node == get_scene_node() && p_node->get_scene_inherited_state().is_valid()) {
item->add_button(0, get_theme_icon(SNAME("InstanceOptions"), SNAME("EditorIcons")), BUTTON_SUBSCENE, false, TTR("Open in Editor"));
tooltip += String("\n" + TTR("Inherits:") + " " + p_node->get_scene_inherited_state()->get_path());
} else if (p_node != get_scene_node() && !p_node->get_scene_file_path().is_empty() && can_open_instance) {
item->add_button(0, get_theme_icon(SNAME("InstanceOptions"), SNAME("EditorIcons")), BUTTON_SUBSCENE, false, TTR("Open in Editor"));
tooltip += String("\n" + TTR("Instance:") + " " + p_node->get_scene_file_path());
}
StringName custom_type = EditorNode::get_singleton()->get_object_custom_type_name(p_node);
tooltip += String("\n" + TTR("Type:") + " " + (custom_type != StringName() ? String(custom_type) : p_node->get_class()));
if (!p_node->get_editor_description().is_empty()) {
tooltip += "\n\n" + p_node->get_editor_description();
}
item->set_tooltip_text(0, tooltip);
}
if (can_open_instance && is_scene_tree_dock) { // Show buttons only when necessary (SceneTreeDock) to avoid crashes.
if (!p_node->is_connected("script_changed", callable_mp(this, &SceneTreeEditor::_node_script_changed))) {
p_node->connect("script_changed", callable_mp(this, &SceneTreeEditor::_node_script_changed).bind(p_node));
}
Ref<Script> scr = p_node->get_script();
if (!scr.is_null()) {
String additional_notes;
Color button_color = Color(1, 1, 1);
// Can't set tooltip after adding button, need to do it before.
if (scr->is_tool()) {
additional_notes += "\n" + TTR("This script is currently running in the editor.");
button_color = get_theme_color(SNAME("accent_color"), SNAME("Editor"));
}
if (EditorNode::get_singleton()->get_object_custom_type_base(p_node) == scr) {
additional_notes += "\n" + TTR("This script is a custom type.");
button_color.a = 0.5;
}
item->add_button(0, get_theme_icon(SNAME("Script"), SNAME("EditorIcons")), BUTTON_SCRIPT, false, TTR("Open Script:") + " " + scr->get_path() + additional_notes);
item->set_button_color(0, item->get_button_count(0) - 1, button_color);
}
if (p_node->is_class("CanvasItem")) {
if (p_node->has_meta("_edit_lock_")) {
item->add_button(0, get_theme_icon(SNAME("Lock"), SNAME("EditorIcons")), BUTTON_LOCK, false, TTR("Node is locked.\nClick to unlock it."));
}
if (p_node->has_meta("_edit_group_")) {
item->add_button(0, get_theme_icon(SNAME("Group"), SNAME("EditorIcons")), BUTTON_GROUP, false, TTR("Children are not selectable.\nClick to make them selectable."));
}
bool v = p_node->call("is_visible");
if (v) {
item->add_button(0, get_theme_icon(SNAME("GuiVisibilityVisible"), SNAME("EditorIcons")), BUTTON_VISIBILITY, false, TTR("Toggle Visibility"));
} else {
item->add_button(0, get_theme_icon(SNAME("GuiVisibilityHidden"), SNAME("EditorIcons")), BUTTON_VISIBILITY, false, TTR("Toggle Visibility"));
}
if (!p_node->is_connected("visibility_changed", callable_mp(this, &SceneTreeEditor::_node_visibility_changed))) {
p_node->connect("visibility_changed", callable_mp(this, &SceneTreeEditor::_node_visibility_changed).bind(p_node));
}
_update_visibility_color(p_node, item);
} else if (p_node->is_class("CanvasLayer") || p_node->is_class("Window")) {
bool v = p_node->call("is_visible");
if (v) {
item->add_button(0, get_theme_icon(SNAME("GuiVisibilityVisible"), SNAME("EditorIcons")), BUTTON_VISIBILITY, false, TTR("Toggle Visibility"));
} else {
item->add_button(0, get_theme_icon(SNAME("GuiVisibilityHidden"), SNAME("EditorIcons")), BUTTON_VISIBILITY, false, TTR("Toggle Visibility"));
}
if (!p_node->is_connected("visibility_changed", callable_mp(this, &SceneTreeEditor::_node_visibility_changed))) {
p_node->connect("visibility_changed", callable_mp(this, &SceneTreeEditor::_node_visibility_changed).bind(p_node));
}
} else if (p_node->is_class("Node3D")) {
if (p_node->has_meta("_edit_lock_")) {
item->add_button(0, get_theme_icon(SNAME("Lock"), SNAME("EditorIcons")), BUTTON_LOCK, false, TTR("Node is locked.\nClick to unlock it."));
}
if (p_node->has_meta("_edit_group_")) {
item->add_button(0, get_theme_icon(SNAME("Group"), SNAME("EditorIcons")), BUTTON_GROUP, false, TTR("Children are not selectable.\nClick to make them selectable."));
}
bool v = p_node->call("is_visible");
if (v) {
item->add_button(0, get_theme_icon(SNAME("GuiVisibilityVisible"), SNAME("EditorIcons")), BUTTON_VISIBILITY, false, TTR("Toggle Visibility"));
} else {
item->add_button(0, get_theme_icon(SNAME("GuiVisibilityHidden"), SNAME("EditorIcons")), BUTTON_VISIBILITY, false, TTR("Toggle Visibility"));
}
if (!p_node->is_connected("visibility_changed", callable_mp(this, &SceneTreeEditor::_node_visibility_changed))) {
p_node->connect("visibility_changed", callable_mp(this, &SceneTreeEditor::_node_visibility_changed).bind(p_node));
}
_update_visibility_color(p_node, item);
} else if (p_node->is_class("AnimationPlayer")) {
bool is_pinned = AnimationPlayerEditor::get_singleton()->get_player() == p_node && AnimationPlayerEditor::get_singleton()->is_pinned();
if (is_pinned) {
item->add_button(0, get_theme_icon(SNAME("Pin"), SNAME("EditorIcons")), BUTTON_PIN, false, TTR("AnimationPlayer is pinned.\nClick to unpin."));
}
}
}
if (editor_selection) {
if (editor_selection->is_selected(p_node)) {
item->select(0);
}
}
if (selected == p_node) {
if (!editor_selection) {
item->select(0);
}
item->set_as_cursor(0);
}
for (int i = 0; i < p_node->get_child_count(); i++) {
_add_nodes(p_node->get_child(i), item);
}
if (valid_types.size()) {
bool valid = false;
for (const StringName &E : valid_types) {
if (p_node->is_class(E) ||
EditorNode::get_singleton()->is_object_of_custom_type(p_node, E)) {
valid = true;
break;
}
}
if (!valid) {
item->set_custom_color(0, get_theme_color(SNAME("disabled_font_color"), SNAME("Editor")));
item->set_selectable(0, false);
}
}
}
void SceneTreeEditor::_node_visibility_changed(Node *p_node) {
if (!p_node || (p_node != get_scene_node() && !p_node->get_owner())) {
return;
}
TreeItem *item = _find(tree->get_root(), p_node->get_path());
if (!item) {
return;
}
int idx = item->get_button_by_id(0, BUTTON_VISIBILITY);
ERR_FAIL_COND(idx == -1);
bool node_visible = false;
if (p_node->is_class("CanvasItem") || p_node->is_class("CanvasLayer") || p_node->is_class("Window")) {
node_visible = p_node->call("is_visible");
CanvasItemEditor::get_singleton()->get_viewport_control()->queue_redraw();
} else if (p_node->is_class("Node3D")) {
node_visible = p_node->call("is_visible");
}
if (node_visible) {
item->set_button(0, idx, get_theme_icon(SNAME("GuiVisibilityVisible"), SNAME("EditorIcons")));
} else {
item->set_button(0, idx, get_theme_icon(SNAME("GuiVisibilityHidden"), SNAME("EditorIcons")));
}
_update_visibility_color(p_node, item);
}
void SceneTreeEditor::_update_visibility_color(Node *p_node, TreeItem *p_item) {
if (p_node->is_class("CanvasItem") || p_node->is_class("Node3D")) {
Color color(1, 1, 1, 1);
bool visible_on_screen = p_node->call("is_visible_in_tree");
if (!visible_on_screen) {
color.a = 0.6;
}
int idx = p_item->get_button_by_id(0, BUTTON_VISIBILITY);
p_item->set_button_color(0, idx, color);
}
}
void SceneTreeEditor::_node_script_changed(Node *p_node) {
if (tree_dirty) {
return;
}
MessageQueue::get_singleton()->push_call(this, "_update_tree");
tree_dirty = true;
}
void SceneTreeEditor::_node_removed(Node *p_node) {
if (EditorNode::get_singleton()->is_exiting()) {
return; //speed up exit
}
if (p_node->is_connected("script_changed", callable_mp(this, &SceneTreeEditor::_node_script_changed))) {
p_node->disconnect("script_changed", callable_mp(this, &SceneTreeEditor::_node_script_changed));
}
if (p_node->is_class("Node3D") || p_node->is_class("CanvasItem") || p_node->is_class("CanvasLayer") || p_node->is_class("Window")) {
if (p_node->is_connected("visibility_changed", callable_mp(this, &SceneTreeEditor::_node_visibility_changed))) {
p_node->disconnect("visibility_changed", callable_mp(this, &SceneTreeEditor::_node_visibility_changed));
}
}
if (p_node == selected) {
selected = nullptr;
emit_signal(SNAME("node_selected"));
}
}
void SceneTreeEditor::_node_renamed(Node *p_node) {
if (p_node != get_scene_node() && !get_scene_node()->is_ancestor_of(p_node)) {
return;
}
emit_signal(SNAME("node_renamed"));
if (!tree_dirty) {
MessageQueue::get_singleton()->push_call(this, "_update_tree");
tree_dirty = true;
}
}
void SceneTreeEditor::_update_tree(bool p_scroll_to_selected) {
if (!is_inside_tree()) {
tree_dirty = false;
return;
}
if (tree->is_editing()) {
return;
}
updating_tree = true;
tree->clear();
if (get_scene_node()) {
_add_nodes(get_scene_node(), nullptr);
last_hash = hash_djb2_one_64(0);
_compute_hash(get_scene_node(), last_hash);
}
updating_tree = false;
tree_dirty = false;
if (!filter.strip_edges().is_empty()) {
_update_filter(nullptr, p_scroll_to_selected);
}
}
bool SceneTreeEditor::_update_filter(TreeItem *p_parent, bool p_scroll_to_selected) {
if (!p_parent) {
p_parent = tree->get_root();
filter_term_warning.clear();
}
if (!p_parent) {
// Tree is empty, nothing to do here.
return false;
}
bool keep_for_children = false;
for (TreeItem *child = p_parent->get_first_child(); child; child = child->get_next()) {
// Always keep if at least one of the children are kept.
keep_for_children = _update_filter(child, p_scroll_to_selected) || keep_for_children;
}
// Now find other reasons to keep this Node, too.
PackedStringArray terms = filter.to_lower().split_spaces();
bool keep = _item_matches_all_terms(p_parent, terms);
p_parent->set_visible(keep_for_children || keep);
if (keep && !valid_types.is_empty()) {
keep = false;
Node *n = get_node(p_parent->get_metadata(0));
for (const StringName &E : valid_types) {
if (n->is_class(E) ||
EditorNode::get_singleton()->is_object_of_custom_type(n, E)) {
keep = true;
break;
}
}
}
if (keep) {
p_parent->clear_custom_color(0);
p_parent->set_selectable(0, true);
} else if (keep_for_children) {
p_parent->set_custom_color(0, get_theme_color(SNAME("disabled_font_color"), SNAME("Editor")));
p_parent->set_selectable(0, false);
p_parent->deselect(0);
}
if (editor_selection) {
Node *n = get_node(p_parent->get_metadata(0));
if (keep) {
if (p_scroll_to_selected && n && editor_selection->is_selected(n)) {
tree->scroll_to_item(p_parent);
}
} else {
if (n && p_parent->is_selected(0)) {
editor_selection->remove_node(n);
p_parent->deselect(0);
}
}
}
return keep || keep_for_children;
}
bool SceneTreeEditor::_item_matches_all_terms(TreeItem *p_item, PackedStringArray p_terms) {
if (p_terms.is_empty()) {
return true;
}
for (int i = 0; i < p_terms.size(); i++) {
String term = p_terms[i];
// Recognize special filter.
if (term.contains(":") && !term.get_slicec(':', 0).is_empty()) {
String parameter = term.get_slicec(':', 0);
String argument = term.get_slicec(':', 1);
if (parameter == "type" || parameter == "t") {
// Filter by Type.
String type = get_node(p_item->get_metadata(0))->get_class();
bool term_in_inherited_class = false;
// Every Node is is a Node, duh!
while (type != "Node") {
if (type.to_lower().contains(argument)) {
term_in_inherited_class = true;
break;
}
type = ClassDB::get_parent_class(type);
}
if (!term_in_inherited_class) {
return false;
}
} else if (parameter == "group" || parameter == "g") {
// Filter by Group.
Node *node = get_node(p_item->get_metadata(0));
if (argument.is_empty()) {
// When argument is empty, match all Nodes belonging to any exposed group.
if (node->get_persistent_group_count() == 0) {
return false;
}
} else {
List<Node::GroupInfo> group_info_list;
node->get_groups(&group_info_list);
bool term_in_groups = false;
for (int j = 0; j < group_info_list.size(); j++) {
if (!group_info_list[j].persistent) {
continue; // Ignore internal groups.
}
if (String(group_info_list[j].name).to_lower().contains(argument)) {
term_in_groups = true;
break;
}
}
if (!term_in_groups) {
return false;
}
}
} else if (filter_term_warning.is_empty()) {
filter_term_warning = vformat(TTR("\"%s\" is not a known filter."), parameter);
continue;
}
} else {
// Default.
if (!p_item->get_text(0).to_lower().contains(term)) {
return false;
}
}
}
return true;
}
void SceneTreeEditor::_compute_hash(Node *p_node, uint64_t &hash) {
hash = hash_djb2_one_64(p_node->get_instance_id(), hash);
if (p_node->get_parent()) {
hash = hash_djb2_one_64(p_node->get_parent()->get_instance_id(), hash); //so a reparent still produces a different hash
}
for (int i = 0; i < p_node->get_child_count(); i++) {
_compute_hash(p_node->get_child(i), hash);
}
}
void SceneTreeEditor::_test_update_tree() {
pending_test_update = false;
if (!is_inside_tree()) {
return;
}
if (tree_dirty) {
return; // don't even bother
}
uint64_t hash = hash_djb2_one_64(0);
if (get_scene_node()) {
_compute_hash(get_scene_node(), hash);
}
//test hash
if (hash == last_hash) {
return; // did not change
}
MessageQueue::get_singleton()->push_call(this, "_update_tree");
tree_dirty = true;
}
void SceneTreeEditor::_tree_process_mode_changed() {
MessageQueue::get_singleton()->push_call(this, "_update_tree");
tree_dirty = true;
}
void SceneTreeEditor::_tree_changed() {
if (EditorNode::get_singleton()->is_exiting()) {
return; //speed up exit
}
if (pending_test_update) {
return;
}
if (tree_dirty) {
return;
}
MessageQueue::get_singleton()->push_call(this, "_test_update_tree");
pending_test_update = true;
}
void SceneTreeEditor::_selected_changed() {
TreeItem *s = tree->get_selected();
ERR_FAIL_COND(!s);
NodePath np = s->get_metadata(0);
Node *n = get_node(np);
if (n == selected) {
return;
}
selected = get_node(np);
blocked++;
emit_signal(SNAME("node_selected"));
blocked--;
}
void SceneTreeEditor::_deselect_items() {
// Clear currently selected items in scene tree dock.
if (editor_selection) {
editor_selection->clear();
emit_signal(SNAME("node_changed"));
}
}
void SceneTreeEditor::_cell_multi_selected(Object *p_object, int p_cell, bool p_selected) {
TreeItem *item = Object::cast_to<TreeItem>(p_object);
ERR_FAIL_COND(!item);
if (!item->is_visible()) {
return;
}
NodePath np = item->get_metadata(0);
Node *n = get_node(np);
if (!n) {
return;
}
if (!editor_selection) {
return;
}
if (p_selected) {
editor_selection->add_node(n);
} else {
editor_selection->remove_node(n);
}
// Emitted "selected" in _selected_changed() when select single node, so select multiple node emit "changed"
if (editor_selection->get_selected_nodes().size() > 1) {
emit_signal(SNAME("node_changed"));
}
}
void SceneTreeEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
get_tree()->connect("tree_changed", callable_mp(this, &SceneTreeEditor::_tree_changed));
get_tree()->connect("tree_process_mode_changed", callable_mp(this, &SceneTreeEditor::_tree_process_mode_changed));
get_tree()->connect("node_removed", callable_mp(this, &SceneTreeEditor::_node_removed));
get_tree()->connect("node_renamed", callable_mp(this, &SceneTreeEditor::_node_renamed));
get_tree()->connect("node_configuration_warning_changed", callable_mp(this, &SceneTreeEditor::_warning_changed));
tree->connect("item_collapsed", callable_mp(this, &SceneTreeEditor::_cell_collapsed));
_update_tree();
} break;
case NOTIFICATION_EXIT_TREE: {
get_tree()->disconnect("tree_changed", callable_mp(this, &SceneTreeEditor::_tree_changed));
get_tree()->disconnect("tree_process_mode_changed", callable_mp(this, &SceneTreeEditor::_tree_process_mode_changed));
get_tree()->disconnect("node_removed", callable_mp(this, &SceneTreeEditor::_node_removed));
get_tree()->disconnect("node_renamed", callable_mp(this, &SceneTreeEditor::_node_renamed));
tree->disconnect("item_collapsed", callable_mp(this, &SceneTreeEditor::_cell_collapsed));
get_tree()->disconnect("node_configuration_warning_changed", callable_mp(this, &SceneTreeEditor::_warning_changed));
} break;
case NOTIFICATION_THEME_CHANGED: {
tree->add_theme_constant_override("icon_max_width", get_theme_constant(SNAME("class_icon_size"), SNAME("Editor")));
_update_tree();
} break;
}
}
TreeItem *SceneTreeEditor::_find(TreeItem *p_node, const NodePath &p_path) {
if (!p_node) {
return nullptr;
}
NodePath np = p_node->get_metadata(0);
if (np == p_path) {
return p_node;
}
TreeItem *children = p_node->get_first_child();
while (children) {
TreeItem *n = _find(children, p_path);
if (n) {
return n;
}
children = children->get_next();
}
return nullptr;
}
void SceneTreeEditor::set_selected(Node *p_node, bool p_emit_selected) {
ERR_FAIL_COND(blocked > 0);
if (pending_test_update) {
_test_update_tree();
}
if (tree_dirty) {
_update_tree();
}
if (selected == p_node) {
return;
}
TreeItem *item = p_node ? _find(tree->get_root(), p_node->get_path()) : nullptr;
if (item) {
if (auto_expand_selected) {
// Make visible when it's collapsed.
TreeItem *node = item->get_parent();
while (node && node != tree->get_root()) {
node->set_collapsed(false);
node = node->get_parent();
}
item->select(0);
item->set_as_cursor(0);
selected = p_node;
tree->ensure_cursor_is_visible();
}
} else {
if (!p_node) {
selected = nullptr;
}
_update_tree();
selected = p_node;
}
if (p_emit_selected) {
emit_signal(SNAME("node_selected"));
}
}
void SceneTreeEditor::_rename_node(Node *p_node, const String &p_name) {
TreeItem *item = _find(tree->get_root(), p_node->get_path());
ERR_FAIL_COND(!item);
String new_name = p_name.validate_node_name();
if (new_name != p_name) {
error->set_text(TTR("Invalid node name, the following characters are not allowed:") + "\n" + String::get_invalid_node_name_characters());
error->popup_centered();
if (new_name.is_empty()) {
item->set_text(0, p_node->get_name());
return;
}
item->set_text(0, new_name);
}
if (new_name == p_node->get_name()) {
if (item->get_text(0).is_empty()) {
item->set_text(0, new_name);
}
return;
}
// Trim leading/trailing whitespace to prevent node names from containing accidental whitespace, which would make it more difficult to get the node via `get_node()`.
new_name = new_name.strip_edges();
if (!is_scene_tree_dock) {
p_node->set_name(new_name);
item->set_metadata(0, p_node->get_path());
emit_signal(SNAME("node_renamed"));
} else {
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action("Rename Node", UndoRedo::MERGE_DISABLE, p_node);
emit_signal(SNAME("node_prerename"), p_node, new_name);
undo_redo->add_undo_method(p_node, "set_name", p_node->get_name());
undo_redo->add_undo_method(item, "set_metadata", 0, p_node->get_path());
undo_redo->add_undo_method(item, "set_text", 0, p_node->get_name());
p_node->set_name(p_name);
undo_redo->add_do_method(p_node, "set_name", new_name);
undo_redo->add_do_method(item, "set_metadata", 0, p_node->get_path());
undo_redo->add_do_method(item, "set_text", 0, new_name);
undo_redo->commit_action();