mirror of
https://github.com/godotengine/godot.git
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292 lines
8.4 KiB
C++
292 lines
8.4 KiB
C++
/**************************************************************************/
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/* popup.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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 "popup.h"
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#include "core/config/engine.h"
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#include "core/os/keyboard.h"
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#include "scene/gui/panel.h"
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#include "scene/theme/theme_db.h"
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void Popup::_input_from_window(const Ref<InputEvent> &p_event) {
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if (get_flag(FLAG_POPUP) && p_event->is_action_pressed(SNAME("ui_cancel"), false, true)) {
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hide_reason = HIDE_REASON_CANCELED; // ESC pressed, mark as canceled unconditionally.
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_close_pressed();
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}
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Window::_input_from_window(p_event);
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}
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void Popup::_initialize_visible_parents() {
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if (is_embedded()) {
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visible_parents.clear();
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Window *parent_window = this;
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while (parent_window) {
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parent_window = parent_window->get_parent_visible_window();
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if (parent_window) {
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visible_parents.push_back(parent_window);
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parent_window->connect(SceneStringName(focus_entered), callable_mp(this, &Popup::_parent_focused));
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parent_window->connect(SceneStringName(tree_exited), callable_mp(this, &Popup::_deinitialize_visible_parents));
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}
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}
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}
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}
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void Popup::_deinitialize_visible_parents() {
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if (is_embedded()) {
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for (Window *parent_window : visible_parents) {
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parent_window->disconnect(SceneStringName(focus_entered), callable_mp(this, &Popup::_parent_focused));
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parent_window->disconnect(SceneStringName(tree_exited), callable_mp(this, &Popup::_deinitialize_visible_parents));
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}
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visible_parents.clear();
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}
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}
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void Popup::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_VISIBILITY_CHANGED: {
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if (!is_in_edited_scene_root()) {
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if (is_visible()) {
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_initialize_visible_parents();
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} else {
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_deinitialize_visible_parents();
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if (hide_reason == HIDE_REASON_NONE) {
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hide_reason = HIDE_REASON_CANCELED;
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}
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emit_signal(SNAME("popup_hide"));
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popped_up = false;
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}
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}
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} break;
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case NOTIFICATION_WM_WINDOW_FOCUS_IN: {
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if (!is_in_edited_scene_root()) {
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if (has_focus()) {
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popped_up = true;
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hide_reason = HIDE_REASON_NONE;
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}
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}
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} break;
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case NOTIFICATION_UNPARENTED:
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case NOTIFICATION_EXIT_TREE: {
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if (!is_in_edited_scene_root()) {
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_deinitialize_visible_parents();
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}
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} break;
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case NOTIFICATION_WM_CLOSE_REQUEST: {
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if (!is_in_edited_scene_root()) {
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if (hide_reason == HIDE_REASON_NONE) {
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hide_reason = HIDE_REASON_UNFOCUSED;
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}
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_close_pressed();
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}
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} break;
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case NOTIFICATION_APPLICATION_FOCUS_OUT: {
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if (!is_in_edited_scene_root() && get_flag(FLAG_POPUP)) {
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if (hide_reason == HIDE_REASON_NONE) {
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hide_reason = HIDE_REASON_UNFOCUSED;
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}
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_close_pressed();
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}
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} break;
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}
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}
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void Popup::_parent_focused() {
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if (popped_up && get_flag(FLAG_POPUP)) {
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if (hide_reason == HIDE_REASON_NONE) {
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hide_reason = HIDE_REASON_UNFOCUSED;
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}
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_close_pressed();
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}
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}
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void Popup::_close_pressed() {
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popped_up = false;
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_deinitialize_visible_parents();
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callable_mp((Window *)this, &Window::hide).call_deferred();
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}
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void Popup::_post_popup() {
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Window::_post_popup();
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popped_up = true;
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}
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void Popup::_validate_property(PropertyInfo &p_property) const {
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if (
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p_property.name == "transient" ||
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p_property.name == "exclusive" ||
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p_property.name == "popup_window" ||
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p_property.name == "unfocusable") {
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p_property.usage = PROPERTY_USAGE_NO_EDITOR;
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}
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}
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Rect2i Popup::_popup_adjust_rect() const {
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ERR_FAIL_COND_V(!is_inside_tree(), Rect2());
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Rect2i parent_rect = get_usable_parent_rect();
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if (parent_rect == Rect2i()) {
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return Rect2i();
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}
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Rect2i current(get_position(), get_size());
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if (current.position.x + current.size.x > parent_rect.position.x + parent_rect.size.x) {
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current.position.x = parent_rect.position.x + parent_rect.size.x - current.size.x;
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}
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if (current.position.x < parent_rect.position.x) {
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current.position.x = parent_rect.position.x;
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}
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if (current.position.y + current.size.y > parent_rect.position.y + parent_rect.size.y) {
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current.position.y = parent_rect.position.y + parent_rect.size.y - current.size.y;
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}
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if (current.position.y < parent_rect.position.y) {
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current.position.y = parent_rect.position.y;
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}
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if (current.size.y > parent_rect.size.y) {
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current.size.y = parent_rect.size.y;
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}
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if (current.size.x > parent_rect.size.x) {
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current.size.x = parent_rect.size.x;
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}
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// Early out if max size not set.
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Size2i popup_max_size = get_max_size();
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if (popup_max_size <= Size2()) {
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return current;
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}
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if (current.size.x > popup_max_size.x) {
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current.size.x = popup_max_size.x;
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}
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if (current.size.y > popup_max_size.y) {
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current.size.y = popup_max_size.y;
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}
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return current;
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}
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void Popup::_bind_methods() {
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ADD_SIGNAL(MethodInfo("popup_hide"));
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}
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Popup::Popup() {
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set_wrap_controls(true);
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set_visible(false);
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set_transient(true);
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set_flag(FLAG_BORDERLESS, true);
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set_flag(FLAG_RESIZE_DISABLED, true);
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set_flag(FLAG_POPUP, true);
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}
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Popup::~Popup() {
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}
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Size2 PopupPanel::_get_contents_minimum_size() const {
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Size2 ms;
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for (int i = 0; i < get_child_count(); i++) {
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Control *c = Object::cast_to<Control>(get_child(i));
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if (!c || c == panel) {
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continue;
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}
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if (c->is_set_as_top_level()) {
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continue;
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}
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Size2 cms = c->get_combined_minimum_size();
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ms = cms.max(ms);
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}
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return ms + theme_cache.panel_style->get_minimum_size();
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}
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void PopupPanel::_update_child_rects() {
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Vector2 cpos(theme_cache.panel_style->get_offset());
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Vector2 panel_size = Vector2(get_size()) / get_content_scale_factor();
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Vector2 csize = panel_size - theme_cache.panel_style->get_minimum_size();
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for (int i = 0; i < get_child_count(); i++) {
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Control *c = Object::cast_to<Control>(get_child(i));
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if (!c) {
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continue;
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}
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if (c->is_set_as_top_level()) {
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continue;
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}
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if (c == panel) {
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c->set_position(Vector2());
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c->set_size(panel_size);
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} else {
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c->set_position(cpos);
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c->set_size(csize);
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}
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}
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}
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void PopupPanel::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_READY:
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case NOTIFICATION_THEME_CHANGED: {
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panel->add_theme_style_override(SceneStringName(panel), theme_cache.panel_style);
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_update_child_rects();
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} break;
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case NOTIFICATION_WM_SIZE_CHANGED: {
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_update_child_rects();
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} break;
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}
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}
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void PopupPanel::_bind_methods() {
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BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, PopupPanel, panel_style, "panel");
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}
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PopupPanel::PopupPanel() {
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panel = memnew(Panel);
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add_child(panel, false, INTERNAL_MODE_FRONT);
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}
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