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godot/editor/editor_command_palette.cpp

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/*************************************************************************/
/* editor_command_palette.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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/editor_command_palette.h"
#include "core/os/keyboard.h"
#include "editor/editor_node.h"
#include "editor/editor_scale.h"
#include "scene/gui/control.h"
#include "scene/gui/tree.h"
EditorCommandPalette *EditorCommandPalette::singleton = nullptr;
float EditorCommandPalette::_score_path(const String &p_search, const String &p_path) {
float score = 0.9f + .1f * (p_search.length() / (float)p_path.length());
// Positive bias for matches close to the beginning of the file name.
int pos = p_path.findn(p_search);
if (pos != -1) {
return score * (1.0f - 0.1f * (float(pos) / p_path.length()));
}
// Positive bias for matches close to the end of the path.
pos = p_path.rfindn(p_search);
if (pos != -1) {
return score * (0.8f - 0.1f * (float(p_path.length() - pos) / p_path.length()));
}
// Remaining results belong to the same class of results.
return score * 0.69f;
}
void EditorCommandPalette::_update_command_search(const String &search_text) {
commands.get_key_list(&command_keys);
ERR_FAIL_COND(command_keys.is_empty());
Map<String, TreeItem *> sections;
TreeItem *first_section = nullptr;
// Filter possible candidates.
Vector<CommandEntry> entries;
for (int i = 0; i < command_keys.size(); i++) {
CommandEntry r;
r.key_name = command_keys[i];
r.display_name = commands[r.key_name].name;
r.shortcut_text = commands[r.key_name].shortcut;
r.last_used = commands[r.key_name].last_used;
if (search_text.is_subsequence_ofi(r.display_name)) {
if (!search_text.is_empty()) {
r.score = _score_path(search_text, r.display_name.to_lower());
}
entries.push_back(r);
}
}
command_keys.clear();
TreeItem *root = search_options->get_root();
root->clear_children();
if (entries.is_empty()) {
get_ok_button()->set_disabled(true);
return;
}
if (!search_text.is_empty()) {
SortArray<CommandEntry, CommandEntryComparator> sorter;
sorter.sort(entries.ptrw(), entries.size());
} else {
SortArray<CommandEntry, CommandHistoryComparator> sorter;
sorter.sort(entries.ptrw(), entries.size());
}
const int entry_limit = MIN(entries.size(), 300);
for (int i = 0; i < entry_limit; i++) {
String section_name = entries[i].key_name.get_slice("/", 0);
TreeItem *section;
if (sections.has(section_name)) {
section = sections[section_name];
} else {
section = search_options->create_item(root);
if (!first_section) {
first_section = section;
}
String item_name = section_name.capitalize();
section->set_text(0, item_name);
section->set_selectable(0, false);
section->set_selectable(1, false);
section->set_custom_bg_color(0, search_options->get_theme_color(SNAME("prop_subsection"), SNAME("Editor")));
section->set_custom_bg_color(1, search_options->get_theme_color(SNAME("prop_subsection"), SNAME("Editor")));
sections[section_name] = section;
}
TreeItem *ti = search_options->create_item(section);
String shortcut_text = entries[i].shortcut_text == "None" ? "" : entries[i].shortcut_text;
ti->set_text(0, entries[i].display_name);
ti->set_metadata(0, entries[i].key_name);
ti->set_text_align(1, TreeItem::TextAlign::ALIGN_RIGHT);
ti->set_text(1, shortcut_text);
Color c = Color(1, 1, 1, 0.5);
ti->set_custom_color(1, c);
}
TreeItem *to_select = first_section->get_first_child();
to_select->select(0);
to_select->set_as_cursor(0);
search_options->ensure_cursor_is_visible();
}
void EditorCommandPalette::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_command", "command_name", "key_name", "binded_callable", "shortcut_text"), &EditorCommandPalette::_add_command, DEFVAL("None"));
ClassDB::bind_method(D_METHOD("remove_command", "key_name"), &EditorCommandPalette::remove_command);
}
void EditorCommandPalette::_sbox_input(const Ref<InputEvent> &p_ie) {
Ref<InputEventKey> k = p_ie;
if (k.is_valid()) {
switch (k->get_keycode()) {
case KEY_UP:
case KEY_DOWN:
case KEY_PAGEUP:
case KEY_PAGEDOWN: {
search_options->gui_input(k);
} break;
default:
break;
}
}
}
void EditorCommandPalette::_confirmed() {
TreeItem *selected_option = search_options->get_selected();
String command_key = selected_option != nullptr ? selected_option->get_metadata(0) : "";
if (command_key != "") {
hide();
execute_command(command_key);
}
}
void EditorCommandPalette::open_popup() {
popup_centered_clamped(Size2i(600, 440), 0.8f);
command_search_box->clear();
command_search_box->grab_focus();
search_options->scroll_to_item(search_options->get_root());
}
void EditorCommandPalette::get_actions_list(List<String> *p_list) const {
commands.get_key_list(p_list);
}
void EditorCommandPalette::remove_command(String p_key_name) {
ERR_FAIL_COND_MSG(!commands.has(p_key_name), "The Command '" + String(p_key_name) + "' doesn't exists. Unable to remove it.");
commands.erase(p_key_name);
}
void EditorCommandPalette::add_command(String p_command_name, String p_key_name, Callable p_action, Vector<Variant> arguments, String p_shortcut_text) {
ERR_FAIL_COND_MSG(commands.has(p_key_name), "The Command '" + String(p_command_name) + "' already exists. Unable to add it.");
const Variant **argptrs = (const Variant **)alloca(sizeof(Variant *) * arguments.size());
for (int i = 0; i < arguments.size(); i++) {
argptrs[i] = &arguments[i];
}
Command command;
command.name = p_command_name;
command.callable = p_action.bind(argptrs, arguments.size());
command.shortcut = p_shortcut_text;
commands[p_key_name] = command;
}
void EditorCommandPalette::_add_command(String p_command_name, String p_key_name, Callable p_binded_action, String p_shortcut_text) {
ERR_FAIL_COND_MSG(commands.has(p_key_name), "The Command '" + String(p_command_name) + "' already exists. Unable to add it.");
Command command;
command.name = p_command_name;
command.callable = p_binded_action;
command.shortcut = p_shortcut_text;
commands[p_key_name] = command;
}
void EditorCommandPalette::execute_command(String &p_command_key) {
ERR_FAIL_COND_MSG(!commands.has(p_command_key), p_command_key + " not found.");
commands[p_command_key].last_used = OS::get_singleton()->get_unix_time();
commands[p_command_key].callable.call_deferred(nullptr, 0);
_save_history();
}
void EditorCommandPalette::register_shortcuts_as_command() {
const String *key = nullptr;
key = unregistered_shortcuts.next(key);
while (key != nullptr) {
String command_name = unregistered_shortcuts[*key].first;
Ref<Shortcut> shortcut = unregistered_shortcuts[*key].second;
Ref<InputEventShortcut> ev;
ev.instantiate();
ev->set_shortcut(shortcut);
String shortcut_text = String(shortcut->get_as_text());
add_command(command_name, *key, callable_mp(EditorNode::get_singleton()->get_viewport(), &Viewport::push_unhandled_input), varray(ev, false), shortcut_text);
key = unregistered_shortcuts.next(key);
}
unregistered_shortcuts.clear();
// Load command use history.
Dictionary command_history = EditorSettings::get_singleton()->get_project_metadata("command_palette", "command_history", Dictionary());
Array history_entries = command_history.keys();
for (int i = 0; i < history_entries.size(); i++) {
const String &history_key = history_entries[i];
commands[history_key].last_used = command_history[history_key];
}
}
Ref<Shortcut> EditorCommandPalette::add_shortcut_command(const String &p_command, const String &p_key, Ref<Shortcut> p_shortcut) {
if (is_inside_tree()) {
Ref<InputEventShortcut> ev;
ev.instantiate();
ev->set_shortcut(p_shortcut);
String shortcut_text = String(p_shortcut->get_as_text());
add_command(p_command, p_key, callable_mp(EditorNode::get_singleton()->get_viewport(), &Viewport::push_unhandled_input), varray(ev, false), shortcut_text);
} else {
const String key_name = String(p_key);
const String command_name = String(p_command);
Pair pair = Pair(command_name, p_shortcut);
unregistered_shortcuts[key_name] = pair;
}
return p_shortcut;
}
void EditorCommandPalette::_theme_changed() {
command_search_box->set_right_icon(search_options->get_theme_icon(SNAME("Search"), SNAME("EditorIcons")));
}
void EditorCommandPalette::_save_history() const {
Dictionary command_history;
List<String> command_keys;
commands.get_key_list(&command_keys);
for (const String &key : command_keys) {
if (commands[key].last_used > 0) {
command_history[key] = commands[key].last_used;
}
}
EditorSettings::get_singleton()->set_project_metadata("command_palette", "command_history", command_history);
}
EditorCommandPalette *EditorCommandPalette::get_singleton() {
if (singleton == nullptr) {
singleton = memnew(EditorCommandPalette);
}
return singleton;
}
EditorCommandPalette::EditorCommandPalette() {
set_hide_on_ok(false);
connect("confirmed", callable_mp(this, &EditorCommandPalette::_confirmed));
VBoxContainer *vbc = memnew(VBoxContainer);
vbc->connect("theme_changed", callable_mp(this, &EditorCommandPalette::_theme_changed));
add_child(vbc);
command_search_box = memnew(LineEdit);
command_search_box->set_placeholder(TTR("Filter commands"));
command_search_box->connect("gui_input", callable_mp(this, &EditorCommandPalette::_sbox_input));
command_search_box->connect("text_changed", callable_mp(this, &EditorCommandPalette::_update_command_search));
command_search_box->set_v_size_flags(Control::SIZE_EXPAND_FILL);
command_search_box->set_clear_button_enabled(true);
MarginContainer *margin_container_csb = memnew(MarginContainer);
margin_container_csb->add_child(command_search_box);
vbc->add_child(margin_container_csb);
register_text_enter(command_search_box);
search_options = memnew(Tree);
search_options->connect("item_activated", callable_mp(this, &EditorCommandPalette::_confirmed));
search_options->connect("item_selected", callable_mp((BaseButton *)get_ok_button(), &BaseButton::set_disabled), varray(false));
search_options->connect("nothing_selected", callable_mp((BaseButton *)get_ok_button(), &BaseButton::set_disabled), varray(true));
search_options->create_item();
search_options->set_hide_root(true);
search_options->set_columns(2);
search_options->set_v_size_flags(Control::SIZE_EXPAND_FILL);
search_options->set_h_size_flags(Control::SIZE_EXPAND_FILL);
search_options->set_column_custom_minimum_width(0, int(8 * EDSCALE));
vbc->add_child(search_options, true);
}
Ref<Shortcut> ED_SHORTCUT_AND_COMMAND(const String &p_path, const String &p_name, Key p_keycode, String p_command_name) {
if (p_command_name.is_empty()) {
p_command_name = p_name;
}
Ref<Shortcut> shortcut = ED_SHORTCUT(p_path, p_name, p_keycode);
EditorCommandPalette::get_singleton()->add_shortcut_command(p_command_name, p_path, shortcut);
return shortcut;
}
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