c482e8ec85
This adds a small lag effect when opening submenus which allow the user to move directly to an item on the submenu without worrying about avoiding the autohide regions.
259 lines
7.6 KiB
C++
259 lines
7.6 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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#include "scene/gui/panel.h"
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void Popup::_input_from_window(const Ref<InputEvent> &p_event) {
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Ref<InputEventKey> key = p_event;
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if (key.is_valid() && key->is_pressed() && key->get_keycode() == KEY_ESCAPE) {
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_close_pressed();
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}
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}
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void Popup::_initialize_visible_parents() {
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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("focus_entered", callable_mp(this, &Popup::_parent_focused));
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parent_window->connect("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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void Popup::_deinitialize_visible_parents() {
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for (uint32_t i = 0; i < visible_parents.size(); ++i) {
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visible_parents[i]->disconnect("focus_entered", callable_mp(this, &Popup::_parent_focused));
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visible_parents[i]->disconnect("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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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_visible()) {
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_initialize_visible_parents();
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} else {
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_deinitialize_visible_parents();
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emit_signal("popup_hide");
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}
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} break;
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case NOTIFICATION_WM_WINDOW_FOCUS_IN: {
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if (has_focus()) {
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popped_up = true;
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}
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} break;
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case NOTIFICATION_EXIT_TREE: {
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_deinitialize_visible_parents();
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} break;
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case NOTIFICATION_WM_CLOSE_REQUEST: {
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_close_pressed();
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} break;
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case NOTIFICATION_APPLICATION_FOCUS_OUT: {
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_close_pressed();
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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 && close_on_parent_focus) {
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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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call_deferred("hide");
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emit_signal("cancelled");
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}
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void Popup::set_as_minsize() {
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set_size(get_contents_minimum_size());
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}
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void Popup::set_close_on_parent_focus(bool p_close) {
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close_on_parent_focus = p_close;
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}
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bool Popup::get_close_on_parent_focus() {
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return close_on_parent_focus;
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}
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void Popup::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_close_on_parent_focus", "close"), &Popup::set_close_on_parent_focus);
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ClassDB::bind_method(D_METHOD("get_close_on_parent_focus"), &Popup::get_close_on_parent_focus);
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "close_on_parent_focus"), "set_close_on_parent_focus", "get_close_on_parent_focus");
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ADD_SIGNAL(MethodInfo("popup_hide"));
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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 = get_usable_parent_rect();
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if (parent == 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.position.x + parent.size.x) {
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current.position.x = parent.position.x + parent.size.x - current.size.x;
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}
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if (current.position.x < parent.position.x) {
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current.position.x = parent.position.x;
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}
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if (current.position.y + current.size.y > parent.position.y + parent.size.y) {
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current.position.y = parent.position.y + parent.size.y - current.size.y;
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}
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if (current.position.y < parent.position.y) {
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current.position.y = parent.position.y;
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}
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if (current.size.y > parent.size.y) {
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current.size.y = parent.size.y;
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}
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if (current.size.x > parent.size.x) {
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current.size.x = parent.size.x;
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}
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// Early out if max size not set.
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Size2i max_size = get_max_size();
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if (max_size <= Size2()) {
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return current;
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}
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if (current.size.x > max_size.x) {
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current.size.x = max_size.x;
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}
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if (current.size.y > max_size.y) {
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current.size.y = max_size.y;
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}
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return current;
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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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connect("window_input", callable_mp(this, &Popup::_input_from_window));
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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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Ref<StyleBox> p = get_theme_stylebox("panel", get_class_name());
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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.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_theme_stylebox("panel", get_class_name());
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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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}
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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(get_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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if (p_what == NOTIFICATION_THEME_CHANGED) {
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panel->add_theme_style_override("panel", get_theme_stylebox("panel", get_class_name()));
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} else if (p_what == NOTIFICATION_READY || p_what == NOTIFICATION_ENTER_TREE) {
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panel->add_theme_style_override("panel", get_theme_stylebox("panel", get_class_name()));
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_update_child_rects();
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} else if (p_what == NOTIFICATION_WM_SIZE_CHANGED) {
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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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panel = memnew(Panel);
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add_child(panel);
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}
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