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305 lines
8.8 KiB
C++
305 lines
8.8 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) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 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 "popup.h"
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#include "core/engine.h"
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#include "core/os/keyboard.h"
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void Popup::_gui_input(Ref<InputEvent> p_event) {
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}
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void Popup::_notification(int p_what) {
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if (p_what == NOTIFICATION_VISIBILITY_CHANGED) {
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if (popped_up && !is_visible_in_tree()) {
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popped_up = false;
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notification(NOTIFICATION_POPUP_HIDE);
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emit_signal("popup_hide");
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}
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update_configuration_warning();
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}
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if (p_what == NOTIFICATION_EXIT_TREE) {
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if (popped_up) {
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popped_up = false;
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notification(NOTIFICATION_POPUP_HIDE);
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emit_signal("popup_hide");
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}
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}
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if (p_what == NOTIFICATION_ENTER_TREE) {
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//small helper to make editing of these easier in editor
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#ifdef TOOLS_ENABLED
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if (Engine::get_singleton()->is_editor_hint() && get_tree()->get_edited_scene_root() && get_tree()->get_edited_scene_root()->is_a_parent_of(this)) {
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//edited on editor
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set_as_toplevel(false);
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} else
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#endif
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if (is_visible()) {
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hide();
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}
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}
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}
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void Popup::_fix_size() {
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Point2 pos = get_global_position();
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Size2 size = get_size() * get_scale();
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Point2 window_size = get_viewport_rect().size - get_viewport_transform().get_origin();
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if (pos.x + size.width > window_size.width)
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pos.x = window_size.width - size.width;
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if (pos.x < 0)
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pos.x = 0;
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if (pos.y + size.height > window_size.height)
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pos.y = window_size.height - size.height;
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if (pos.y < 0)
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pos.y = 0;
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if (pos != get_position())
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set_global_position(pos);
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}
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void Popup::set_as_minsize() {
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Size2 total_minsize;
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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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if (!c->is_visible())
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continue;
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Size2 minsize = c->get_combined_minimum_size();
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for (int j = 0; j < 2; j++) {
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Margin m_beg = Margin(0 + j);
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Margin m_end = Margin(2 + j);
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float margin_begin = c->get_margin(m_beg);
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float margin_end = c->get_margin(m_end);
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float anchor_begin = c->get_anchor(m_beg);
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float anchor_end = c->get_anchor(m_end);
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minsize[j] += margin_begin * (ANCHOR_END - anchor_begin) + margin_end * anchor_end;
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}
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total_minsize.width = MAX(total_minsize.width, minsize.width);
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total_minsize.height = MAX(total_minsize.height, minsize.height);
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}
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set_size(total_minsize);
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}
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void Popup::popup_centered_clamped(const Size2 &p_size, float p_fallback_ratio) {
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Size2 popup_size = p_size;
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Size2 window_size = get_viewport_rect().size;
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// clamp popup size in each dimension if window size is too small (using fallback ratio)
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popup_size.x = MIN(window_size.x * p_fallback_ratio, popup_size.x);
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popup_size.y = MIN(window_size.y * p_fallback_ratio, popup_size.y);
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popup_centered(popup_size);
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}
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void Popup::popup_centered_minsize(const Size2 &p_minsize) {
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set_custom_minimum_size(p_minsize);
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_fix_size();
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popup_centered();
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}
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void Popup::popup_centered(const Size2 &p_size) {
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Rect2 rect;
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Size2 window_size = get_viewport_rect().size;
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rect.size = p_size == Size2() ? get_size() : p_size;
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rect.position = ((window_size - rect.size) / 2.0).floor();
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_popup(rect, true);
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}
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void Popup::popup_centered_ratio(float p_screen_ratio) {
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Rect2 rect;
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Size2 window_size = get_viewport_rect().size;
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rect.size = (window_size * p_screen_ratio).floor();
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rect.position = ((window_size - rect.size) / 2.0).floor();
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_popup(rect, true);
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}
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void Popup::popup(const Rect2 &p_bounds) {
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_popup(p_bounds);
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}
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void Popup::_popup(const Rect2 &p_bounds, const bool p_centered) {
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emit_signal("about_to_show");
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show_modal(exclusive);
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// Fit the popup into the optionally provided bounds.
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if (!p_bounds.has_no_area()) {
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set_size(p_bounds.size);
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// check if p_bounds.size was using an outdated cached values
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if (p_centered && p_bounds.size != get_size()) {
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set_position(p_bounds.position - ((get_size() - p_bounds.size) / 2.0).floor());
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} else {
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set_position(p_bounds.position);
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}
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}
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_fix_size();
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Control *focusable = find_next_valid_focus();
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if (focusable)
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focusable->grab_focus();
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_post_popup();
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notification(NOTIFICATION_POST_POPUP);
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popped_up = true;
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}
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void Popup::set_exclusive(bool p_exclusive) {
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exclusive = p_exclusive;
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}
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bool Popup::is_exclusive() const {
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return exclusive;
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}
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void Popup::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_as_minsize"), &Popup::set_as_minsize);
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ClassDB::bind_method(D_METHOD("popup_centered", "size"), &Popup::popup_centered, DEFVAL(Size2()));
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ClassDB::bind_method(D_METHOD("popup_centered_ratio", "ratio"), &Popup::popup_centered_ratio, DEFVAL(0.75));
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ClassDB::bind_method(D_METHOD("popup_centered_minsize", "minsize"), &Popup::popup_centered_minsize, DEFVAL(Size2()));
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ClassDB::bind_method(D_METHOD("popup_centered_clamped", "size", "fallback_ratio"), &Popup::popup_centered_clamped, DEFVAL(Size2()), DEFVAL(0.75));
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ClassDB::bind_method(D_METHOD("popup", "bounds"), &Popup::popup, DEFVAL(Rect2()));
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ClassDB::bind_method(D_METHOD("set_exclusive", "enable"), &Popup::set_exclusive);
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ClassDB::bind_method(D_METHOD("is_exclusive"), &Popup::is_exclusive);
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ADD_SIGNAL(MethodInfo("about_to_show"));
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ADD_SIGNAL(MethodInfo("popup_hide"));
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ADD_GROUP("Popup", "popup_");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "popup_exclusive"), "set_exclusive", "is_exclusive");
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BIND_CONSTANT(NOTIFICATION_POST_POPUP);
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BIND_CONSTANT(NOTIFICATION_POPUP_HIDE);
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}
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Popup::Popup() {
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set_as_toplevel(true);
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exclusive = false;
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popped_up = false;
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hide();
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}
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String Popup::get_configuration_warning() const {
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if (is_visible_in_tree()) {
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return TTR("Popups will hide by default unless you call popup() or any of the popup*() functions. Making them visible for editing is fine, but they will hide upon running.");
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}
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return String();
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}
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Popup::~Popup() {
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}
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Size2 PopupPanel::get_minimum_size() const {
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Ref<StyleBox> p = get_stylebox("panel");
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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)
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continue;
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if (c->is_set_as_toplevel())
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continue;
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Size2 cms = c->get_combined_minimum_size();
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ms.x = MAX(cms.x, ms.x);
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ms.y = MAX(cms.y, ms.y);
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}
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return ms + p->get_minimum_size();
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}
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void PopupPanel::_update_child_rects() {
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Ref<StyleBox> p = get_stylebox("panel");
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Vector2 cpos(p->get_offset());
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Vector2 csize(get_size() - p->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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if (c->is_set_as_toplevel())
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continue;
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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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void PopupPanel::_notification(int p_what) {
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if (p_what == NOTIFICATION_DRAW) {
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get_stylebox("panel")->draw(get_canvas_item(), Rect2(Point2(), get_size()));
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} else if (p_what == NOTIFICATION_READY) {
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_update_child_rects();
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} else if (p_what == NOTIFICATION_RESIZED) {
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_update_child_rects();
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}
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}
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PopupPanel::PopupPanel() {
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}
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