godot/editor/property_selector.cpp
2021-08-12 16:42:16 +02:00

582 lines
17 KiB
C++

/*************************************************************************/
/* property_selector.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 "property_selector.h"
#include "core/os/keyboard.h"
#include "editor/editor_node.h"
#include "editor_scale.h"
void PropertySelector::_text_changed(const String &p_newtext) {
_update_search();
}
void PropertySelector::_sbox_input(const Ref<InputEvent> &p_ie) {
Ref<InputEventKey> k = p_ie;
if (k.is_valid()) {
switch (k->get_scancode()) {
case KEY_UP:
case KEY_DOWN:
case KEY_PAGEUP:
case KEY_PAGEDOWN: {
search_options->call("_gui_input", k);
search_box->accept_event();
TreeItem *root = search_options->get_root();
if (!root->get_children()) {
break;
}
TreeItem *current = search_options->get_selected();
TreeItem *item = search_options->get_next_selected(root);
while (item) {
item->deselect(0);
item = search_options->get_next_selected(item);
}
current->select(0);
} break;
}
}
}
void PropertySelector::_update_search() {
if (properties) {
set_title(TTR("Select Property"));
} else if (virtuals_only) {
set_title(TTR("Select Virtual Method"));
} else {
set_title(TTR("Select Method"));
}
search_options->clear();
help_bit->set_text("");
TreeItem *root = search_options->create_item();
// Allow using spaces in place of underscores in the search string (makes the search more fault-tolerant).
const String search_text = search_box->get_text().replace(" ", "_");
if (properties) {
List<PropertyInfo> props;
if (instance) {
instance->get_property_list(&props, true);
} else if (type != Variant::NIL) {
Variant v;
Variant::CallError ce;
v = Variant::construct(type, nullptr, 0, ce);
v.get_property_list(&props);
} else {
Object *obj = ObjectDB::get_instance(script);
if (Object::cast_to<Script>(obj)) {
props.push_back(PropertyInfo(Variant::NIL, "Script Variables", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_CATEGORY));
Object::cast_to<Script>(obj)->get_script_property_list(&props);
}
StringName base = base_type;
while (base) {
props.push_back(PropertyInfo(Variant::NIL, base, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_CATEGORY));
ClassDB::get_property_list(base, &props, true);
base = ClassDB::get_parent_class(base);
}
}
TreeItem *category = nullptr;
bool found = false;
Ref<Texture> type_icons[Variant::VARIANT_MAX] = {
Control::get_icon("Variant", "EditorIcons"),
Control::get_icon("bool", "EditorIcons"),
Control::get_icon("int", "EditorIcons"),
Control::get_icon("float", "EditorIcons"),
Control::get_icon("String", "EditorIcons"),
Control::get_icon("Vector2", "EditorIcons"),
Control::get_icon("Rect2", "EditorIcons"),
Control::get_icon("Vector3", "EditorIcons"),
Control::get_icon("Transform2D", "EditorIcons"),
Control::get_icon("Plane", "EditorIcons"),
Control::get_icon("Quat", "EditorIcons"),
Control::get_icon("AABB", "EditorIcons"),
Control::get_icon("Basis", "EditorIcons"),
Control::get_icon("Transform", "EditorIcons"),
Control::get_icon("Color", "EditorIcons"),
Control::get_icon("Path", "EditorIcons"),
Control::get_icon("RID", "EditorIcons"),
Control::get_icon("Object", "EditorIcons"),
Control::get_icon("Dictionary", "EditorIcons"),
Control::get_icon("Array", "EditorIcons"),
Control::get_icon("PoolByteArray", "EditorIcons"),
Control::get_icon("PoolIntArray", "EditorIcons"),
Control::get_icon("PoolRealArray", "EditorIcons"),
Control::get_icon("PoolStringArray", "EditorIcons"),
Control::get_icon("PoolVector2Array", "EditorIcons"),
Control::get_icon("PoolVector3Array", "EditorIcons"),
Control::get_icon("PoolColorArray", "EditorIcons")
};
for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
if (E->get().usage == PROPERTY_USAGE_CATEGORY) {
if (category && category->get_children() == nullptr) {
memdelete(category); //old category was unused
}
category = search_options->create_item(root);
category->set_text(0, E->get().name);
category->set_selectable(0, false);
Ref<Texture> icon;
if (E->get().name == "Script Variables") {
icon = get_icon("Script", "EditorIcons");
} else {
icon = EditorNode::get_singleton()->get_class_icon(E->get().name);
}
category->set_icon(0, icon);
continue;
}
if (!(E->get().usage & PROPERTY_USAGE_EDITOR) && !(E->get().usage & PROPERTY_USAGE_SCRIPT_VARIABLE)) {
continue;
}
if (search_box->get_text() != String() && E->get().name.findn(search_text) == -1) {
continue;
}
if (type_filter.size() && type_filter.find(E->get().type) == -1) {
continue;
}
TreeItem *item = search_options->create_item(category ? category : root);
item->set_text(0, E->get().name);
item->set_metadata(0, E->get().name);
item->set_icon(0, type_icons[E->get().type]);
if (!found && search_box->get_text() != String() && E->get().name.findn(search_text) != -1) {
item->select(0);
found = true;
}
item->set_selectable(0, true);
}
if (category && category->get_children() == nullptr) {
memdelete(category); //old category was unused
}
} else {
List<MethodInfo> methods;
if (type != Variant::NIL) {
Variant v;
Variant::CallError ce;
v = Variant::construct(type, nullptr, 0, ce);
v.get_method_list(&methods);
} else {
Object *obj = ObjectDB::get_instance(script);
if (Object::cast_to<Script>(obj)) {
methods.push_back(MethodInfo("*Script Methods"));
Object::cast_to<Script>(obj)->get_script_method_list(&methods);
}
StringName base = base_type;
while (base) {
methods.push_back(MethodInfo("*" + String(base)));
ClassDB::get_method_list(base, &methods, true, true);
base = ClassDB::get_parent_class(base);
}
}
TreeItem *category = nullptr;
bool found = false;
bool script_methods = false;
for (List<MethodInfo>::Element *E = methods.front(); E; E = E->next()) {
if (E->get().name.begins_with("*")) {
if (category && category->get_children() == nullptr) {
memdelete(category); //old category was unused
}
category = search_options->create_item(root);
category->set_text(0, E->get().name.replace_first("*", ""));
category->set_selectable(0, false);
Ref<Texture> icon;
script_methods = false;
String rep = E->get().name.replace("*", "");
if (E->get().name == "*Script Methods") {
icon = get_icon("Script", "EditorIcons");
script_methods = true;
} else {
icon = EditorNode::get_singleton()->get_class_icon(rep);
}
category->set_icon(0, icon);
continue;
}
String name = E->get().name.get_slice(":", 0);
if (!script_methods && name.begins_with("_") && !(E->get().flags & METHOD_FLAG_VIRTUAL)) {
continue;
}
if (virtuals_only && !(E->get().flags & METHOD_FLAG_VIRTUAL)) {
continue;
}
if (!virtuals_only && (E->get().flags & METHOD_FLAG_VIRTUAL)) {
continue;
}
if (search_box->get_text() != String() && name.findn(search_text) == -1) {
continue;
}
TreeItem *item = search_options->create_item(category ? category : root);
MethodInfo mi = E->get();
String desc;
if (mi.name.find(":") != -1) {
desc = mi.name.get_slice(":", 1) + " ";
mi.name = mi.name.get_slice(":", 0);
} else if (mi.return_val.type != Variant::NIL) {
desc = Variant::get_type_name(mi.return_val.type);
} else {
desc = "void";
}
desc += vformat(" %s(", mi.name);
for (int i = 0; i < mi.arguments.size(); i++) {
if (i > 0) {
desc += ", ";
}
desc += mi.arguments[i].name;
if (mi.arguments[i].type == Variant::NIL) {
desc += ": Variant";
} else if (mi.arguments[i].name.find(":") != -1) {
desc += vformat(": %s", mi.arguments[i].name.get_slice(":", 1));
mi.arguments[i].name = mi.arguments[i].name.get_slice(":", 0);
} else {
desc += vformat(": %s", Variant::get_type_name(mi.arguments[i].type));
}
}
desc += ")";
if (E->get().flags & METHOD_FLAG_CONST) {
desc += " const";
}
if (E->get().flags & METHOD_FLAG_VIRTUAL) {
desc += " virtual";
}
item->set_text(0, desc);
item->set_metadata(0, name);
item->set_selectable(0, true);
if (!found && search_box->get_text() != String() && name.findn(search_text) != -1) {
item->select(0);
found = true;
}
}
if (category && category->get_children() == nullptr) {
memdelete(category); //old category was unused
}
}
get_ok()->set_disabled(root->get_children() == nullptr);
}
void PropertySelector::_confirmed() {
TreeItem *ti = search_options->get_selected();
if (!ti) {
return;
}
emit_signal("selected", ti->get_metadata(0));
hide();
}
void PropertySelector::_item_selected() {
help_bit->set_text("");
TreeItem *item = search_options->get_selected();
if (!item) {
return;
}
String name = item->get_metadata(0);
String class_type;
if (type != Variant::NIL) {
class_type = Variant::get_type_name(type);
} else if (base_type != String()) {
class_type = base_type;
} else if (instance) {
class_type = instance->get_class();
}
DocData *dd = EditorHelp::get_doc_data();
String text;
if (properties) {
while (class_type != String()) {
Map<String, DocData::ClassDoc>::Element *E = dd->class_list.find(class_type);
if (E) {
for (int i = 0; i < E->get().properties.size(); i++) {
if (E->get().properties[i].name == name) {
text = E->get().properties[i].description;
break;
}
}
}
if (text != String()) {
break;
}
// The property may be from a parent class, keep looking.
class_type = ClassDB::get_parent_class(class_type);
}
} else {
while (class_type != String()) {
Map<String, DocData::ClassDoc>::Element *E = dd->class_list.find(class_type);
if (E) {
for (int i = 0; i < E->get().methods.size(); i++) {
if (E->get().methods[i].name == name) {
text = E->get().methods[i].description;
break;
}
}
}
if (text != String()) {
break;
}
// The method may be from a parent class, keep looking.
class_type = ClassDB::get_parent_class(class_type);
}
}
if (text != String()) {
// Display both property name and description, since the help bit may be displayed
// far away from the location (especially if the dialog was resized to be taller).
help_bit->set_text(vformat("[b]%s[/b]: %s", name, text));
help_bit->get_rich_text()->set_self_modulate(Color(1, 1, 1, 1));
} else {
// Use nested `vformat()` as translators shouldn't interfere with BBCode tags.
help_bit->set_text(vformat(TTR("No description available for %s."), vformat("[b]%s[/b]", name)));
help_bit->get_rich_text()->set_self_modulate(Color(1, 1, 1, 0.5));
}
}
void PropertySelector::_notification(int p_what) {
if (p_what == NOTIFICATION_ENTER_TREE) {
connect("confirmed", this, "_confirmed");
} else if (p_what == NOTIFICATION_EXIT_TREE) {
disconnect("confirmed", this, "_confirmed");
}
}
void PropertySelector::select_method_from_base_type(const String &p_base, const String &p_current, bool p_virtuals_only) {
base_type = p_base;
selected = p_current;
type = Variant::NIL;
script = 0;
properties = false;
instance = nullptr;
virtuals_only = p_virtuals_only;
popup_centered_ratio(0.6);
search_box->set_text("");
search_box->grab_focus();
_update_search();
}
void PropertySelector::select_method_from_script(const Ref<Script> &p_script, const String &p_current) {
ERR_FAIL_COND(p_script.is_null());
base_type = p_script->get_instance_base_type();
selected = p_current;
type = Variant::NIL;
script = p_script->get_instance_id();
properties = false;
instance = nullptr;
virtuals_only = false;
popup_centered_ratio(0.6);
search_box->set_text("");
search_box->grab_focus();
_update_search();
}
void PropertySelector::select_method_from_basic_type(Variant::Type p_type, const String &p_current) {
ERR_FAIL_COND(p_type == Variant::NIL);
base_type = "";
selected = p_current;
type = p_type;
script = 0;
properties = false;
instance = nullptr;
virtuals_only = false;
popup_centered_ratio(0.6);
search_box->set_text("");
search_box->grab_focus();
_update_search();
}
void PropertySelector::select_method_from_instance(Object *p_instance, const String &p_current) {
base_type = p_instance->get_class();
selected = p_current;
type = Variant::NIL;
script = 0;
{
Ref<Script> scr = p_instance->get_script();
if (scr.is_valid()) {
script = scr->get_instance_id();
}
}
properties = false;
instance = nullptr;
virtuals_only = false;
popup_centered_ratio(0.6);
search_box->set_text("");
search_box->grab_focus();
_update_search();
}
void PropertySelector::select_property_from_base_type(const String &p_base, const String &p_current) {
base_type = p_base;
selected = p_current;
type = Variant::NIL;
script = 0;
properties = true;
instance = nullptr;
virtuals_only = false;
popup_centered_ratio(0.6);
search_box->set_text("");
search_box->grab_focus();
_update_search();
}
void PropertySelector::select_property_from_script(const Ref<Script> &p_script, const String &p_current) {
ERR_FAIL_COND(p_script.is_null());
base_type = p_script->get_instance_base_type();
selected = p_current;
type = Variant::NIL;
script = p_script->get_instance_id();
properties = true;
instance = nullptr;
virtuals_only = false;
popup_centered_ratio(0.6);
search_box->set_text("");
search_box->grab_focus();
_update_search();
}
void PropertySelector::select_property_from_basic_type(Variant::Type p_type, const String &p_current) {
ERR_FAIL_COND(p_type == Variant::NIL);
base_type = "";
selected = p_current;
type = p_type;
script = 0;
properties = true;
instance = nullptr;
virtuals_only = false;
popup_centered_ratio(0.6);
search_box->set_text("");
search_box->grab_focus();
_update_search();
}
void PropertySelector::select_property_from_instance(Object *p_instance, const String &p_current) {
base_type = "";
selected = p_current;
type = Variant::NIL;
script = 0;
properties = true;
instance = p_instance;
virtuals_only = false;
popup_centered_ratio(0.6);
search_box->set_text("");
search_box->grab_focus();
_update_search();
}
void PropertySelector::set_type_filter(const Vector<Variant::Type> &p_type_filter) {
type_filter = p_type_filter;
}
void PropertySelector::_bind_methods() {
ClassDB::bind_method(D_METHOD("_text_changed"), &PropertySelector::_text_changed);
ClassDB::bind_method(D_METHOD("_confirmed"), &PropertySelector::_confirmed);
ClassDB::bind_method(D_METHOD("_sbox_input"), &PropertySelector::_sbox_input);
ClassDB::bind_method(D_METHOD("_item_selected"), &PropertySelector::_item_selected);
ADD_SIGNAL(MethodInfo("selected", PropertyInfo(Variant::STRING, "name")));
}
PropertySelector::PropertySelector() {
VBoxContainer *vbc = memnew(VBoxContainer);
add_child(vbc);
//set_child_rect(vbc);
search_box = memnew(LineEdit);
vbc->add_margin_child(TTR("Search:"), search_box);
search_box->connect("text_changed", this, "_text_changed");
search_box->connect("gui_input", this, "_sbox_input");
search_options = memnew(Tree);
vbc->add_margin_child(TTR("Matches:"), search_options, true);
get_ok()->set_text(TTR("Open"));
get_ok()->set_disabled(true);
register_text_enter(search_box);
set_hide_on_ok(false);
search_options->connect("item_activated", this, "_confirmed");
search_options->connect("cell_selected", this, "_item_selected");
search_options->set_hide_root(true);
search_options->set_hide_folding(true);
virtuals_only = false;
help_bit = memnew(EditorHelpBit);
vbc->add_margin_child(TTR("Description:"), help_bit);
help_bit->connect("request_hide", this, "_closed");
}