godot/editor/editor_help_search.cpp
2019-08-20 15:37:22 +02:00

598 lines
21 KiB
C++

/*************************************************************************/
/* editor_help_search.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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_help_search.h"
#include "core/os/keyboard.h"
#include "editor_node.h"
void EditorHelpSearch::_update_icons() {
search_box->set_right_icon(get_icon("Search", "EditorIcons"));
search_box->set_clear_button_enabled(true);
search_box->add_icon_override("right_icon", get_icon("Search", "EditorIcons"));
case_sensitive_button->set_icon(get_icon("MatchCase", "EditorIcons"));
hierarchy_button->set_icon(get_icon("ClassList", "EditorIcons"));
if (is_visible_in_tree())
_update_results();
}
void EditorHelpSearch::_update_results() {
String term = search_box->get_text();
int search_flags = filter_combo->get_selected_id();
if (case_sensitive_button->is_pressed())
search_flags |= SEARCH_CASE_SENSITIVE;
if (hierarchy_button->is_pressed())
search_flags |= SEARCH_SHOW_HIERARCHY;
search = Ref<Runner>(memnew(Runner(this, results_tree, term, search_flags)));
set_process(true);
}
void EditorHelpSearch::_search_box_gui_input(const Ref<InputEvent> &p_event) {
// Redirect up and down navigational key events to the results list.
Ref<InputEventKey> key = p_event;
if (key.is_valid()) {
switch (key->get_scancode()) {
case KEY_UP:
case KEY_DOWN:
case KEY_PAGEUP:
case KEY_PAGEDOWN: {
results_tree->call("_gui_input", key);
search_box->accept_event();
} break;
}
}
}
void EditorHelpSearch::_search_box_text_changed(const String &p_text) {
_update_results();
}
void EditorHelpSearch::_filter_combo_item_selected(int p_option) {
_update_results();
}
void EditorHelpSearch::_confirmed() {
TreeItem *item = results_tree->get_selected();
if (!item)
return;
// Activate the script editor and emit the signal with the documentation link to display.
EditorNode::get_singleton()->set_visible_editor(EditorNode::EDITOR_SCRIPT);
emit_signal("go_to_help", item->get_metadata(0));
hide();
}
void EditorHelpSearch::_notification(int p_what) {
switch (p_what) {
case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
_update_icons();
} break;
case NOTIFICATION_ENTER_TREE: {
connect("confirmed", this, "_confirmed");
_update_icons();
} break;
case NOTIFICATION_POPUP_HIDE: {
results_tree->call_deferred("clear"); // Wait for the Tree's mouse event propagation.
get_ok()->set_disabled(true);
EditorSettings::get_singleton()->set_project_metadata("dialog_bounds", "search_help", get_rect());
} break;
case NOTIFICATION_PROCESS: {
// Update background search.
if (search.is_valid()) {
if (search->work()) {
// Search done.
// Only point to the perfect match if it's a new search, and not just reopening a old one.
if (!old_search)
results_tree->ensure_cursor_is_visible();
else
old_search = false;
get_ok()->set_disabled(!results_tree->get_selected());
search = Ref<Runner>();
set_process(false);
}
} else {
set_process(false);
}
} break;
}
}
void EditorHelpSearch::_bind_methods() {
ClassDB::bind_method(D_METHOD("_update_results"), &EditorHelpSearch::_update_results);
ClassDB::bind_method(D_METHOD("_search_box_gui_input"), &EditorHelpSearch::_search_box_gui_input);
ClassDB::bind_method(D_METHOD("_search_box_text_changed"), &EditorHelpSearch::_search_box_text_changed);
ClassDB::bind_method(D_METHOD("_filter_combo_item_selected"), &EditorHelpSearch::_filter_combo_item_selected);
ClassDB::bind_method(D_METHOD("_confirmed"), &EditorHelpSearch::_confirmed);
ADD_SIGNAL(MethodInfo("go_to_help"));
}
void EditorHelpSearch::popup_dialog() {
popup_dialog(search_box->get_text());
}
void EditorHelpSearch::popup_dialog(const String &p_term) {
// Restore valid window bounds or pop up at default size.
Rect2 saved_size = EditorSettings::get_singleton()->get_project_metadata("dialog_bounds", "search_help", Rect2());
if (saved_size != Rect2())
popup(saved_size);
else
popup_centered_ratio(0.5F);
if (p_term == "") {
search_box->clear();
} else {
old_search = true;
search_box->set_text(p_term);
search_box->select_all();
}
search_box->grab_focus();
_update_results();
}
EditorHelpSearch::EditorHelpSearch() {
old_search = false;
set_hide_on_ok(false);
set_resizable(true);
set_title(TTR("Search Help"));
get_ok()->set_disabled(true);
get_ok()->set_text(TTR("Open"));
// Split search and results area.
VBoxContainer *vbox = memnew(VBoxContainer);
add_child(vbox);
// Create the search box and filter controls (at the top).
HBoxContainer *hbox = memnew(HBoxContainer);
vbox->add_child(hbox);
search_box = memnew(LineEdit);
search_box->set_custom_minimum_size(Size2(200, 0));
search_box->set_h_size_flags(SIZE_EXPAND_FILL);
search_box->connect("gui_input", this, "_search_box_gui_input");
search_box->connect("text_changed", this, "_search_box_text_changed");
register_text_enter(search_box);
hbox->add_child(search_box);
case_sensitive_button = memnew(ToolButton);
case_sensitive_button->set_tooltip("Case Sensitive");
case_sensitive_button->connect("pressed", this, "_update_results");
case_sensitive_button->set_toggle_mode(true);
case_sensitive_button->set_focus_mode(FOCUS_NONE);
hbox->add_child(case_sensitive_button);
hierarchy_button = memnew(ToolButton);
hierarchy_button->set_tooltip("Show Hierarchy");
hierarchy_button->connect("pressed", this, "_update_results");
hierarchy_button->set_toggle_mode(true);
hierarchy_button->set_pressed(true);
hierarchy_button->set_focus_mode(FOCUS_NONE);
hbox->add_child(hierarchy_button);
filter_combo = memnew(OptionButton);
filter_combo->set_custom_minimum_size(Size2(200, 0));
filter_combo->set_stretch_ratio(0); // Fixed width.
filter_combo->add_item(TTR("Display All"), SEARCH_ALL);
filter_combo->add_separator();
filter_combo->add_item(TTR("Classes Only"), SEARCH_CLASSES);
filter_combo->add_item(TTR("Methods Only"), SEARCH_METHODS);
filter_combo->add_item(TTR("Signals Only"), SEARCH_SIGNALS);
filter_combo->add_item(TTR("Constants Only"), SEARCH_CONSTANTS);
filter_combo->add_item(TTR("Properties Only"), SEARCH_PROPERTIES);
filter_combo->add_item(TTR("Theme Properties Only"), SEARCH_THEME_ITEMS);
filter_combo->connect("item_selected", this, "_filter_combo_item_selected");
hbox->add_child(filter_combo);
// Create the results tree.
results_tree = memnew(Tree);
results_tree->set_v_size_flags(SIZE_EXPAND_FILL);
results_tree->set_columns(2);
results_tree->set_column_title(0, TTR("Name"));
results_tree->set_column_title(1, TTR("Member Type"));
results_tree->set_column_expand(1, false);
results_tree->set_column_min_width(1, 150);
results_tree->set_custom_minimum_size(Size2(0, 100));
results_tree->set_hide_root(true);
results_tree->set_select_mode(Tree::SELECT_ROW);
results_tree->connect("item_activated", this, "_confirmed");
results_tree->connect("item_selected", get_ok(), "set_disabled", varray(false));
vbox->add_child(results_tree, true);
}
bool EditorHelpSearch::Runner::_is_class_disabled_by_feature_profile(const StringName &p_class) {
Ref<EditorFeatureProfile> profile = EditorFeatureProfileManager::get_singleton()->get_current_profile();
if (profile.is_null()) {
return false;
}
StringName class_name = p_class;
while (class_name != StringName()) {
if (!ClassDB::class_exists(class_name)) {
return false;
}
if (profile->is_class_disabled(class_name)) {
return true;
}
class_name = ClassDB::get_parent_class(class_name);
}
return false;
}
bool EditorHelpSearch::Runner::_slice() {
bool phase_done = false;
switch (phase) {
case PHASE_MATCH_CLASSES_INIT:
phase_done = _phase_match_classes_init();
break;
case PHASE_MATCH_CLASSES:
phase_done = _phase_match_classes();
break;
case PHASE_CLASS_ITEMS_INIT:
phase_done = _phase_class_items_init();
break;
case PHASE_CLASS_ITEMS:
phase_done = _phase_class_items();
break;
case PHASE_MEMBER_ITEMS_INIT:
phase_done = _phase_member_items_init();
break;
case PHASE_MEMBER_ITEMS:
phase_done = _phase_member_items();
break;
case PHASE_SELECT_MATCH:
phase_done = _phase_select_match();
break;
case PHASE_MAX:
return true;
default:
WARN_PRINTS("Invalid or unhandled phase in EditorHelpSearch::Runner, aborting search.");
return true;
};
if (phase_done)
phase++;
return false;
}
bool EditorHelpSearch::Runner::_phase_match_classes_init() {
iterator_doc = EditorHelp::get_doc_data()->class_list.front();
matches.clear();
matched_item = NULL;
return true;
}
bool EditorHelpSearch::Runner::_phase_match_classes() {
DocData::ClassDoc &class_doc = iterator_doc->value();
if (!_is_class_disabled_by_feature_profile(class_doc.name)) {
matches[class_doc.name] = ClassMatch();
ClassMatch &match = matches[class_doc.name];
match.doc = &class_doc;
// Match class name.
if (search_flags & SEARCH_CLASSES)
match.name = term == "" || _match_string(term, class_doc.name);
// Match members if the term is long enough.
if (term.length() > 1) {
if (search_flags & SEARCH_METHODS)
for (int i = 0; i < class_doc.methods.size(); i++) {
String method_name = (search_flags & SEARCH_CASE_SENSITIVE) ? class_doc.methods[i].name : class_doc.methods[i].name.to_lower();
if (method_name.find(term) > -1 ||
(term.begins_with(".") && method_name.begins_with(term.right(1))) ||
(term.ends_with("(") && method_name.ends_with(term.left(term.length() - 1).strip_edges())) ||
(term.begins_with(".") && term.ends_with("(") && method_name == term.substr(1, term.length() - 2).strip_edges()))
match.methods.push_back(const_cast<DocData::MethodDoc *>(&class_doc.methods[i]));
}
if (search_flags & SEARCH_SIGNALS)
for (int i = 0; i < class_doc.signals.size(); i++)
if (_match_string(term, class_doc.signals[i].name))
match.signals.push_back(const_cast<DocData::MethodDoc *>(&class_doc.signals[i]));
if (search_flags & SEARCH_CONSTANTS)
for (int i = 0; i < class_doc.constants.size(); i++)
if (_match_string(term, class_doc.constants[i].name))
match.constants.push_back(const_cast<DocData::ConstantDoc *>(&class_doc.constants[i]));
if (search_flags & SEARCH_PROPERTIES)
for (int i = 0; i < class_doc.properties.size(); i++)
if (_match_string(term, class_doc.properties[i].name) || _match_string(term, class_doc.properties[i].getter) || _match_string(term, class_doc.properties[i].setter))
match.properties.push_back(const_cast<DocData::PropertyDoc *>(&class_doc.properties[i]));
if (search_flags & SEARCH_THEME_ITEMS)
for (int i = 0; i < class_doc.theme_properties.size(); i++)
if (_match_string(term, class_doc.theme_properties[i].name))
match.theme_properties.push_back(const_cast<DocData::PropertyDoc *>(&class_doc.theme_properties[i]));
}
}
iterator_doc = iterator_doc->next();
return !iterator_doc;
}
bool EditorHelpSearch::Runner::_phase_class_items_init() {
iterator_match = matches.front();
results_tree->clear();
root_item = results_tree->create_item();
class_items.clear();
return true;
}
bool EditorHelpSearch::Runner::_phase_class_items() {
ClassMatch &match = iterator_match->value();
if (search_flags & SEARCH_SHOW_HIERARCHY) {
if (match.required())
_create_class_hierarchy(match);
} else {
if (match.name)
_create_class_item(root_item, match.doc, false);
}
iterator_match = iterator_match->next();
return !iterator_match;
}
bool EditorHelpSearch::Runner::_phase_member_items_init() {
iterator_match = matches.front();
return true;
}
bool EditorHelpSearch::Runner::_phase_member_items() {
ClassMatch &match = iterator_match->value();
TreeItem *parent = (search_flags & SEARCH_SHOW_HIERARCHY) ? class_items[match.doc->name] : root_item;
for (int i = 0; i < match.methods.size(); i++)
_create_method_item(parent, match.doc, match.methods[i]);
for (int i = 0; i < match.signals.size(); i++)
_create_signal_item(parent, match.doc, match.signals[i]);
for (int i = 0; i < match.constants.size(); i++)
_create_constant_item(parent, match.doc, match.constants[i]);
for (int i = 0; i < match.properties.size(); i++)
_create_property_item(parent, match.doc, match.properties[i]);
for (int i = 0; i < match.theme_properties.size(); i++)
_create_theme_property_item(parent, match.doc, match.theme_properties[i]);
iterator_match = iterator_match->next();
return !iterator_match;
}
bool EditorHelpSearch::Runner::_phase_select_match() {
if (matched_item)
matched_item->select(0);
return true;
}
bool EditorHelpSearch::Runner::_match_string(const String &p_term, const String &p_string) const {
if (search_flags & SEARCH_CASE_SENSITIVE)
return p_string.find(p_term) > -1;
else
return p_string.findn(p_term) > -1;
}
void EditorHelpSearch::Runner::_match_item(TreeItem *p_item, const String &p_text) {
if (!matched_item) {
if (search_flags & SEARCH_CASE_SENSITIVE) {
if (p_text.casecmp_to(term) == 0)
matched_item = p_item;
} else {
if (p_text.nocasecmp_to(term) == 0)
matched_item = p_item;
}
}
}
TreeItem *EditorHelpSearch::Runner::_create_class_hierarchy(const ClassMatch &p_match) {
if (class_items.has(p_match.doc->name))
return class_items[p_match.doc->name];
// Ensure parent nodes are created first.
TreeItem *parent = root_item;
if (p_match.doc->inherits != "") {
if (class_items.has(p_match.doc->inherits)) {
parent = class_items[p_match.doc->inherits];
} else {
ClassMatch &base_match = matches[p_match.doc->inherits];
parent = _create_class_hierarchy(base_match);
}
}
TreeItem *class_item = _create_class_item(parent, p_match.doc, !p_match.name);
class_items[p_match.doc->name] = class_item;
return class_item;
}
TreeItem *EditorHelpSearch::Runner::_create_class_item(TreeItem *p_parent, const DocData::ClassDoc *p_doc, bool p_gray) {
Ref<Texture> icon = empty_icon;
if (ui_service->has_icon(p_doc->name, "EditorIcons"))
icon = ui_service->get_icon(p_doc->name, "EditorIcons");
else if (ClassDB::class_exists(p_doc->name) && ClassDB::is_parent_class(p_doc->name, "Object"))
icon = ui_service->get_icon("Object", "EditorIcons");
String tooltip = p_doc->brief_description.strip_edges();
TreeItem *item = results_tree->create_item(p_parent);
item->set_icon(0, icon);
item->set_text(0, p_doc->name);
item->set_text(1, TTR("Class"));
item->set_tooltip(0, tooltip);
item->set_tooltip(1, tooltip);
item->set_metadata(0, "class_name:" + p_doc->name);
if (p_gray) {
item->set_custom_color(0, disabled_color);
item->set_custom_color(1, disabled_color);
}
_match_item(item, p_doc->name);
return item;
}
TreeItem *EditorHelpSearch::Runner::_create_method_item(TreeItem *p_parent, const DocData::ClassDoc *p_class_doc, const DocData::MethodDoc *p_doc) {
String tooltip = p_doc->return_type + " " + p_class_doc->name + "." + p_doc->name + "(";
for (int i = 0; i < p_doc->arguments.size(); i++) {
const DocData::ArgumentDoc &arg = p_doc->arguments[i];
tooltip += arg.type + " " + arg.name;
if (arg.default_value != "")
tooltip += " = " + arg.default_value;
if (i < p_doc->arguments.size() - 1)
tooltip += ", ";
}
tooltip += ")";
return _create_member_item(p_parent, p_class_doc->name, "MemberMethod", p_doc->name, "Method", "method", tooltip);
}
TreeItem *EditorHelpSearch::Runner::_create_signal_item(TreeItem *p_parent, const DocData::ClassDoc *p_class_doc, const DocData::MethodDoc *p_doc) {
String tooltip = p_doc->return_type + " " + p_class_doc->name + "." + p_doc->name + "(";
for (int i = 0; i < p_doc->arguments.size(); i++) {
const DocData::ArgumentDoc &arg = p_doc->arguments[i];
tooltip += arg.type + " " + arg.name;
if (arg.default_value != "")
tooltip += " = " + arg.default_value;
if (i < p_doc->arguments.size() - 1)
tooltip += ", ";
}
tooltip += ")";
return _create_member_item(p_parent, p_class_doc->name, "MemberSignal", p_doc->name, "Signal", "signal", tooltip);
}
TreeItem *EditorHelpSearch::Runner::_create_constant_item(TreeItem *p_parent, const DocData::ClassDoc *p_class_doc, const DocData::ConstantDoc *p_doc) {
String tooltip = p_class_doc->name + "." + p_doc->name;
return _create_member_item(p_parent, p_class_doc->name, "MemberConstant", p_doc->name, "Constant", "constant", tooltip);
}
TreeItem *EditorHelpSearch::Runner::_create_property_item(TreeItem *p_parent, const DocData::ClassDoc *p_class_doc, const DocData::PropertyDoc *p_doc) {
String tooltip = p_doc->type + " " + p_class_doc->name + "." + p_doc->name;
tooltip += "\n " + p_class_doc->name + "." + p_doc->setter + "(value) setter";
tooltip += "\n " + p_class_doc->name + "." + p_doc->getter + "() getter";
return _create_member_item(p_parent, p_class_doc->name, "MemberProperty", p_doc->name, "Property", "property", tooltip);
}
TreeItem *EditorHelpSearch::Runner::_create_theme_property_item(TreeItem *p_parent, const DocData::ClassDoc *p_class_doc, const DocData::PropertyDoc *p_doc) {
String tooltip = p_doc->type + " " + p_class_doc->name + "." + p_doc->name;
return _create_member_item(p_parent, p_class_doc->name, "MemberTheme", p_doc->name, "Theme Property", "theme_item", tooltip);
}
TreeItem *EditorHelpSearch::Runner::_create_member_item(TreeItem *p_parent, const String &p_class_name, const String &p_icon, const String &p_name, const String &p_type, const String &p_metatype, const String &p_tooltip) {
Ref<Texture> icon;
String text;
if (search_flags & SEARCH_SHOW_HIERARCHY) {
icon = ui_service->get_icon(p_icon, "EditorIcons");
text = p_name;
} else {
icon = ui_service->get_icon(p_icon, "EditorIcons");
/*// In flat mode, show the class icon.
if (ui_service->has_icon(p_class_name, "EditorIcons"))
icon = ui_service->get_icon(p_class_name, "EditorIcons");
else if (ClassDB::is_parent_class(p_class_name, "Object"))
icon = ui_service->get_icon("Object", "EditorIcons");*/
text = p_class_name + "." + p_name;
}
TreeItem *item = results_tree->create_item(p_parent);
item->set_icon(0, icon);
item->set_text(0, text);
item->set_text(1, TTR(p_type));
item->set_tooltip(0, p_tooltip);
item->set_tooltip(1, p_tooltip);
item->set_metadata(0, "class_" + p_metatype + ":" + p_class_name + ":" + p_name);
_match_item(item, p_name);
return item;
}
bool EditorHelpSearch::Runner::work(uint64_t slot) {
// Return true when the search has been completed, otherwise false.
const uint64_t until = OS::get_singleton()->get_ticks_usec() + slot;
while (!_slice())
if (OS::get_singleton()->get_ticks_usec() > until)
return false;
return true;
}
EditorHelpSearch::Runner::Runner(Control *p_icon_service, Tree *p_results_tree, const String &p_term, int p_search_flags) :
phase(0),
ui_service(p_icon_service),
results_tree(p_results_tree),
term((p_search_flags & SEARCH_CASE_SENSITIVE) == 0 ? p_term.strip_edges().to_lower() : p_term.strip_edges()),
search_flags(p_search_flags),
empty_icon(ui_service->get_icon("ArrowRight", "EditorIcons")),
disabled_color(ui_service->get_color("disabled_font_color", "Editor")) {
}