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This can be used to make editor code more compact. However, as of writing, these constructor arguments cannot be used from the scripting API. This was already provided for Label and CheckBox, but it was missing for other Control nodes where it made sense to provide a default value.
248 lines
9.2 KiB
C++
248 lines
9.2 KiB
C++
/*************************************************************************/
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/* menu_button.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "menu_button.h"
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#include "core/os/keyboard.h"
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#include "scene/main/window.h"
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void MenuButton::unhandled_key_input(const Ref<InputEvent> &p_event) {
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ERR_FAIL_COND(p_event.is_null());
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if (!_is_focus_owner_in_shorcut_context()) {
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return;
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}
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if (disable_shortcuts) {
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return;
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}
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if (p_event->is_pressed() && !p_event->is_echo() && (Object::cast_to<InputEventKey>(p_event.ptr()) || Object::cast_to<InputEventJoypadButton>(p_event.ptr()) || Object::cast_to<InputEventAction>(*p_event) || Object::cast_to<InputEventShortcut>(*p_event))) {
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if (!get_parent() || !is_visible_in_tree() || is_disabled()) {
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return;
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}
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if (popup->activate_item_by_event(p_event, false)) {
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accept_event();
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}
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}
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}
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void MenuButton::_popup_visibility_changed(bool p_visible) {
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set_pressed(p_visible);
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if (!p_visible) {
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set_process_internal(false);
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return;
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}
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if (switch_on_hover) {
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Window *window = Object::cast_to<Window>(get_viewport());
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if (window) {
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mouse_pos_adjusted = window->get_position();
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if (window->is_embedded()) {
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Window *window_parent = Object::cast_to<Window>(window->get_parent()->get_viewport());
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while (window_parent) {
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if (!window_parent->is_embedded()) {
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mouse_pos_adjusted += window_parent->get_position();
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break;
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}
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window_parent = Object::cast_to<Window>(window_parent->get_parent()->get_viewport());
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}
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}
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set_process_internal(true);
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}
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}
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}
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void MenuButton::pressed() {
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emit_signal(SNAME("about_to_popup"));
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Size2 size = get_size() * get_viewport()->get_canvas_transform().get_scale();
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popup->set_size(Size2(size.width, 0));
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Point2 gp = get_screen_position();
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gp.y += size.y;
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if (is_layout_rtl()) {
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gp.x += size.width - popup->get_size().width;
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}
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popup->set_position(gp);
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popup->set_parent_rect(Rect2(Point2(gp - popup->get_position()), size));
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// If not triggered by the mouse, start the popup with its first item selected.
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if (popup->get_item_count() > 0 &&
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((get_action_mode() == ActionMode::ACTION_MODE_BUTTON_PRESS && Input::get_singleton()->is_action_just_pressed("ui_accept")) ||
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(get_action_mode() == ActionMode::ACTION_MODE_BUTTON_RELEASE && Input::get_singleton()->is_action_just_released("ui_accept")))) {
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popup->set_current_index(0);
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}
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popup->popup();
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}
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void MenuButton::gui_input(const Ref<InputEvent> &p_event) {
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BaseButton::gui_input(p_event);
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}
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PopupMenu *MenuButton::get_popup() const {
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return popup;
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}
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void MenuButton::set_switch_on_hover(bool p_enabled) {
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switch_on_hover = p_enabled;
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}
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bool MenuButton::is_switch_on_hover() {
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return switch_on_hover;
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}
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void MenuButton::set_item_count(int p_count) {
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ERR_FAIL_COND(p_count < 0);
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popup->set_item_count(p_count);
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notify_property_list_changed();
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}
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int MenuButton::get_item_count() const {
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return popup->get_item_count();
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}
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void MenuButton::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_LAYOUT_DIRECTION_CHANGED: {
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popup->set_layout_direction((Window::LayoutDirection)get_layout_direction());
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} break;
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case NOTIFICATION_VISIBILITY_CHANGED: {
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if (!is_visible_in_tree()) {
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popup->hide();
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}
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} break;
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case NOTIFICATION_INTERNAL_PROCESS: {
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Vector2i mouse_pos = DisplayServer::get_singleton()->mouse_get_position() - mouse_pos_adjusted;
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MenuButton *menu_btn_other = Object::cast_to<MenuButton>(get_viewport()->gui_find_control(mouse_pos));
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if (menu_btn_other && menu_btn_other != this && menu_btn_other->is_switch_on_hover() && !menu_btn_other->is_disabled() &&
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(get_parent()->is_ancestor_of(menu_btn_other) || menu_btn_other->get_parent()->is_ancestor_of(popup))) {
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popup->hide();
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menu_btn_other->pressed();
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}
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} break;
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}
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}
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bool MenuButton::_set(const StringName &p_name, const Variant &p_value) {
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Vector<String> components = String(p_name).split("/", true, 2);
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if (components.size() >= 2 && components[0] == "popup") {
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bool valid;
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popup->set(String(p_name).trim_prefix("popup/"), p_value, &valid);
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return valid;
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}
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return false;
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}
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bool MenuButton::_get(const StringName &p_name, Variant &r_ret) const {
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Vector<String> components = String(p_name).split("/", true, 2);
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if (components.size() >= 2 && components[0] == "popup") {
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bool valid;
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r_ret = popup->get(String(p_name).trim_prefix("popup/"), &valid);
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return valid;
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}
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return false;
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}
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void MenuButton::_get_property_list(List<PropertyInfo> *p_list) const {
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for (int i = 0; i < popup->get_item_count(); i++) {
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p_list->push_back(PropertyInfo(Variant::STRING, vformat("popup/item_%d/text", i)));
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PropertyInfo pi = PropertyInfo(Variant::OBJECT, vformat("popup/item_%d/icon", i), PROPERTY_HINT_RESOURCE_TYPE, "Texture2D");
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pi.usage &= ~(popup->get_item_icon(i).is_null() ? PROPERTY_USAGE_STORAGE : 0);
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p_list->push_back(pi);
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pi = PropertyInfo(Variant::INT, vformat("popup/item_%d/checkable", i), PROPERTY_HINT_ENUM, "No,As checkbox,As radio button");
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pi.usage &= ~(!popup->is_item_checkable(i) ? PROPERTY_USAGE_STORAGE : 0);
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p_list->push_back(pi);
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pi = PropertyInfo(Variant::BOOL, vformat("popup/item_%d/checked", i));
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pi.usage &= ~(!popup->is_item_checked(i) ? PROPERTY_USAGE_STORAGE : 0);
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p_list->push_back(pi);
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pi = PropertyInfo(Variant::INT, vformat("popup/item_%d/id", i), PROPERTY_HINT_RANGE, "0,10,1,or_greater");
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p_list->push_back(pi);
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pi = PropertyInfo(Variant::BOOL, vformat("popup/item_%d/disabled", i));
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pi.usage &= ~(!popup->is_item_disabled(i) ? PROPERTY_USAGE_STORAGE : 0);
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p_list->push_back(pi);
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pi = PropertyInfo(Variant::BOOL, vformat("popup/item_%d/separator", i));
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pi.usage &= ~(!popup->is_item_separator(i) ? PROPERTY_USAGE_STORAGE : 0);
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p_list->push_back(pi);
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}
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}
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void MenuButton::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_popup"), &MenuButton::get_popup);
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ClassDB::bind_method(D_METHOD("set_switch_on_hover", "enable"), &MenuButton::set_switch_on_hover);
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ClassDB::bind_method(D_METHOD("is_switch_on_hover"), &MenuButton::is_switch_on_hover);
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ClassDB::bind_method(D_METHOD("set_disable_shortcuts", "disabled"), &MenuButton::set_disable_shortcuts);
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ClassDB::bind_method(D_METHOD("set_item_count", "count"), &MenuButton::set_item_count);
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ClassDB::bind_method(D_METHOD("get_item_count"), &MenuButton::get_item_count);
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "switch_on_hover"), "set_switch_on_hover", "is_switch_on_hover");
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ADD_ARRAY_COUNT("Items", "item_count", "set_item_count", "get_item_count", "popup/item_");
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ADD_SIGNAL(MethodInfo("about_to_popup"));
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}
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void MenuButton::set_disable_shortcuts(bool p_disabled) {
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disable_shortcuts = p_disabled;
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}
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MenuButton::MenuButton(const String &p_text) :
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Button(p_text) {
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set_flat(true);
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set_toggle_mode(true);
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set_disable_shortcuts(false);
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set_process_unhandled_key_input(true);
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set_focus_mode(FOCUS_NONE);
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set_action_mode(ACTION_MODE_BUTTON_PRESS);
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popup = memnew(PopupMenu);
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popup->hide();
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add_child(popup, false, INTERNAL_MODE_FRONT);
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popup->connect("about_to_popup", callable_mp(this, &MenuButton::_popup_visibility_changed), varray(true));
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popup->connect("popup_hide", callable_mp(this, &MenuButton::_popup_visibility_changed), varray(false));
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}
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MenuButton::~MenuButton() {
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}
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