489 lines
13 KiB
C++
489 lines
13 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#include "ui/widgets/popup_menu.h"
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#include "ui/widgets/shadow.h"
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#include "platform/platform_specific.h"
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#include "application.h"
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#include "mainwindow.h"
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#include "lang/lang_keys.h"
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namespace Ui {
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PopupMenu::PopupMenu(QWidget*, const style::PopupMenu &st) : TWidget(nullptr)
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, _st(st)
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, _menu(this, _st.menu) {
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init();
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}
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PopupMenu::PopupMenu(QWidget*, QMenu *menu, const style::PopupMenu &st) : TWidget(nullptr)
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, _st(st)
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, _menu(this, menu, _st.menu) {
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init();
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for (auto action : actions()) {
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if (auto submenu = action->menu()) {
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auto it = _submenus.insert(action, new PopupMenu(nullptr, submenu, st));
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it.value()->deleteOnHide(false);
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}
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}
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}
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void PopupMenu::init() {
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_menu->setResizedCallback([this] { handleMenuResize(); });
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_menu->setActivatedCallback([this](QAction *action, int actionTop, TriggeredSource source) {
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handleActivated(action, actionTop, source);
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});
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_menu->setTriggeredCallback([this](QAction *action, int actionTop, TriggeredSource source) {
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handleTriggered(action, actionTop, source);
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});
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_menu->setKeyPressDelegate([this](int key) { return handleKeyPress(key); });
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_menu->setMouseMoveDelegate([this](QPoint globalPosition) { handleMouseMove(globalPosition); });
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_menu->setMousePressDelegate([this](QPoint globalPosition) { handleMousePress(globalPosition); });
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_menu->setMouseReleaseDelegate([this](QPoint globalPosition) { handleMouseRelease(globalPosition); });
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handleCompositingUpdate();
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setWindowFlags(Qt::WindowFlags(Qt::FramelessWindowHint) | Qt::BypassWindowManagerHint | Qt::Popup | Qt::NoDropShadowWindowHint);
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setMouseTracking(true);
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hide();
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setAttribute(Qt::WA_NoSystemBackground, true);
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setAttribute(Qt::WA_TranslucentBackground, true);
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}
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void PopupMenu::handleCompositingUpdate() {
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_padding = _useTransparency ? _st.shadow.extend : style::margins(st::lineWidth, st::lineWidth, st::lineWidth, st::lineWidth);
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_menu->moveToLeft(_padding.left() + _st.scrollPadding.left(), _padding.top() + _st.scrollPadding.top());
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handleMenuResize();
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}
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void PopupMenu::handleMenuResize() {
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auto newWidth = _padding.left() + _st.scrollPadding.left() + _menu->width() + _st.scrollPadding.right() + _padding.right();
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auto newHeight = _padding.top() + _st.scrollPadding.top() + _menu->height() + _st.scrollPadding.bottom() + _padding.bottom();
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resize(newWidth, newHeight);
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_inner = rect().marginsRemoved(_padding);
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}
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QAction *PopupMenu::addAction(const QString &text, const QObject *receiver, const char* member, const style::icon *icon, const style::icon *iconOver) {
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return _menu->addAction(text, receiver, member, icon, iconOver);
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}
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QAction *PopupMenu::addAction(const QString &text, base::lambda<void()> callback, const style::icon *icon, const style::icon *iconOver) {
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return _menu->addAction(text, std::move(callback), icon, iconOver);
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}
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QAction *PopupMenu::addSeparator() {
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return _menu->addSeparator();
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}
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void PopupMenu::clearActions() {
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for (auto submenu : base::take(_submenus)) {
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delete submenu;
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}
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return _menu->clearActions();
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}
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PopupMenu::Actions &PopupMenu::actions() {
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return _menu->actions();
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}
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void PopupMenu::paintEvent(QPaintEvent *e) {
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Painter p(this);
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if (_useTransparency) {
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Platform::StartTranslucentPaint(p, e);
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}
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auto ms = getms();
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if (_a_show.animating(ms)) {
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if (auto opacity = _a_opacity.current(ms, _hiding ? 0. : 1.)) {
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_showAnimation->paintFrame(p, 0, 0, width(), _a_show.current(1.), opacity);
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}
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} else if (_a_opacity.animating(ms)) {
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p.setOpacity(_a_opacity.current(0.));
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p.drawPixmap(0, 0, _cache);
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} else if (_hiding || isHidden()) {
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hideFinished();
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} else if (_showAnimation) {
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_showAnimation->paintFrame(p, 0, 0, width(), 1., 1.);
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_showAnimation.reset();
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showChildren();
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} else {
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paintBg(p);
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}
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}
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void PopupMenu::paintBg(Painter &p) {
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if (_useTransparency) {
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Shadow::paint(p, _inner, width(), _st.shadow);
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App::roundRect(p, _inner, _st.menu.itemBg, ImageRoundRadius::Small);
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} else {
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p.fillRect(0, 0, width() - _padding.right(), _padding.top(), _st.shadow.fallback);
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p.fillRect(width() - _padding.right(), 0, _padding.right(), height() - _padding.bottom(), _st.shadow.fallback);
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p.fillRect(_padding.left(), height() - _padding.bottom(), width() - _padding.left(), _padding.bottom(), _st.shadow.fallback);
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p.fillRect(0, _padding.top(), _padding.left(), height() - _padding.top(), _st.shadow.fallback);
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p.fillRect(_inner, _st.menu.itemBg);
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}
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}
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void PopupMenu::handleActivated(QAction *action, int actionTop, TriggeredSource source) {
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if (source == TriggeredSource::Mouse) {
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if (!popupSubmenuFromAction(action, actionTop, source)) {
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if (auto currentSubmenu = base::take(_activeSubmenu)) {
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currentSubmenu->hideMenu(true);
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}
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}
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}
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}
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void PopupMenu::handleTriggered(QAction *action, int actionTop, TriggeredSource source) {
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if (!popupSubmenuFromAction(action, actionTop, source)) {
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_triggering = true;
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hideMenu();
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emit action->trigger();
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_triggering = false;
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if (_deleteLater) {
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_deleteLater = false;
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deleteLater();
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}
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}
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}
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bool PopupMenu::popupSubmenuFromAction(QAction *action, int actionTop, TriggeredSource source) {
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if (auto submenu = _submenus.value(action)) {
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if (_activeSubmenu == submenu) {
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submenu->hideMenu(true);
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} else {
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popupSubmenu(submenu, actionTop, source);
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}
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return true;
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}
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return false;
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}
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void PopupMenu::popupSubmenu(SubmenuPointer submenu, int actionTop, TriggeredSource source) {
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if (auto currentSubmenu = base::take(_activeSubmenu)) {
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currentSubmenu->hideMenu(true);
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}
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if (submenu) {
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QPoint p(_inner.x() + (rtl() ? _padding.right() : _inner.width() - _padding.left()), _inner.y() + actionTop);
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_activeSubmenu = submenu;
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_activeSubmenu->showMenu(geometry().topLeft() + p, this, source);
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_menu->setChildShown(true);
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} else {
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_menu->setChildShown(false);
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}
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}
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void PopupMenu::forwardKeyPress(int key) {
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if (!handleKeyPress(key)) {
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_menu->handleKeyPress(key);
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}
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}
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bool PopupMenu::handleKeyPress(int key) {
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if (_activeSubmenu) {
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_activeSubmenu->handleKeyPress(key);
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return true;
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} else if (key == Qt::Key_Escape) {
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hideMenu(_parent ? true : false);
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return true;
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} else if (key == (rtl() ? Qt::Key_Right : Qt::Key_Left)) {
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if (_parent) {
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hideMenu(true);
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return true;
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}
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}
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return false;
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}
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void PopupMenu::handleMouseMove(QPoint globalPosition) {
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if (_parent) {
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_parent->forwardMouseMove(globalPosition);
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}
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}
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void PopupMenu::handleMousePress(QPoint globalPosition) {
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if (_parent) {
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_parent->forwardMousePress(globalPosition);
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} else {
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hideMenu();
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}
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}
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void PopupMenu::handleMouseRelease(QPoint globalPosition) {
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if (_parent) {
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_parent->forwardMouseRelease(globalPosition);
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} else {
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hideMenu();
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}
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}
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void PopupMenu::focusOutEvent(QFocusEvent *e) {
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hideMenu();
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}
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void PopupMenu::hideEvent(QHideEvent *e) {
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if (_deleteOnHide) {
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if (_triggering) {
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_deleteLater = true;
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} else {
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deleteLater();
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}
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}
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}
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void PopupMenu::hideMenu(bool fast) {
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if (isHidden()) return;
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if (_parent && !_a_opacity.animating()) {
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_parent->childHiding(this);
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}
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if (fast) {
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hideFast();
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} else {
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hideAnimated();
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if (_parent) {
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_parent->hideMenu();
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}
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}
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if (_activeSubmenu) {
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_activeSubmenu->hideMenu(fast);
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}
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}
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void PopupMenu::childHiding(PopupMenu *child) {
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if (_activeSubmenu && _activeSubmenu == child) {
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_activeSubmenu = SubmenuPointer();
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}
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}
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void PopupMenu::setOrigin(PanelAnimation::Origin origin) {
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_origin = origin;
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}
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void PopupMenu::showAnimated(PanelAnimation::Origin origin) {
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setOrigin(origin);
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showStarted();
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}
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void PopupMenu::hideAnimated() {
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if (isHidden()) return;
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if (_hiding) return;
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startOpacityAnimation(true);
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}
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void PopupMenu::hideFast() {
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if (isHidden()) return;
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_hiding = false;
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_a_opacity.finish();
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hideFinished();
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}
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void PopupMenu::hideFinished() {
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_a_show.finish();
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_cache = QPixmap();
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if (!isHidden()) {
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hide();
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}
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}
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void PopupMenu::prepareCache() {
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if (_a_opacity.animating()) return;
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auto showAnimation = base::take(_a_show);
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auto showAnimationData = base::take(_showAnimation);
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showChildren();
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_cache = myGrab(this);
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_showAnimation = base::take(showAnimationData);
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_a_show = base::take(showAnimation);
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}
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void PopupMenu::startOpacityAnimation(bool hiding) {
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_hiding = false;
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if (!_useTransparency) {
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_a_opacity.finish();
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if (hiding) {
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hideFinished();
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} else {
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update();
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}
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return;
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}
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prepareCache();
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_hiding = hiding;
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hideChildren();
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_a_opacity.start([this] { opacityAnimationCallback(); }, _hiding ? 1. : 0., _hiding ? 0. : 1., _st.duration);
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}
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void PopupMenu::showStarted() {
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if (isHidden()) {
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show();
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startShowAnimation();
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return;
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} else if (!_hiding) {
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return;
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}
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startOpacityAnimation(false);
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}
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void PopupMenu::startShowAnimation() {
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if (!_useTransparency) {
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_a_show.finish();
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update();
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return;
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}
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if (!_a_show.animating()) {
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auto opacityAnimation = base::take(_a_opacity);
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showChildren();
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auto cache = grabForPanelAnimation();
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_a_opacity = base::take(opacityAnimation);
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_showAnimation = std::make_unique<PanelAnimation>(_st.animation, _origin);
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_showAnimation->setFinalImage(std::move(cache), QRect(_inner.topLeft() * cIntRetinaFactor(), _inner.size() * cIntRetinaFactor()));
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if (_useTransparency) {
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auto corners = App::cornersMask(ImageRoundRadius::Small);
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_showAnimation->setCornerMasks(corners[0], corners[1], corners[2], corners[3]);
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} else {
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_showAnimation->setSkipShadow(true);
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}
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_showAnimation->start();
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}
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hideChildren();
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_a_show.start([this] { showAnimationCallback(); }, 0., 1., _st.showDuration);
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}
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void PopupMenu::opacityAnimationCallback() {
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update();
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if (!_a_opacity.animating()) {
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if (_hiding) {
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_hiding = false;
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hideFinished();
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} else {
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showChildren();
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}
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}
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}
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void PopupMenu::showAnimationCallback() {
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update();
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}
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QImage PopupMenu::grabForPanelAnimation() {
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myEnsureResized(this);
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auto result = QImage(size() * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
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result.setDevicePixelRatio(cRetinaFactor());
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result.fill(Qt::transparent);
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{
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Painter p(&result);
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if (_useTransparency) {
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App::roundRect(p, _inner, _st.menu.itemBg, ImageRoundRadius::Small);
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} else {
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p.fillRect(_inner, _st.menu.itemBg);
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}
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for (auto child : children()) {
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if (auto widget = qobject_cast<QWidget*>(child)) {
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widget->render(&p, widget->pos(), widget->rect(), QWidget::DrawChildren | QWidget::IgnoreMask);
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}
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}
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}
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return result;
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}
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void PopupMenu::deleteOnHide(bool del) {
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_deleteOnHide = del;
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}
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void PopupMenu::popup(const QPoint &p) {
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showMenu(p, nullptr, TriggeredSource::Mouse);
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}
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void PopupMenu::showMenu(const QPoint &p, PopupMenu *parent, TriggeredSource source) {
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_parent = parent;
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auto origin = PanelAnimation::Origin::TopLeft;
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auto w = p - QPoint(0, _padding.top());
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auto r = Sandbox::screenGeometry(p);
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_useTransparency = Platform::TranslucentWindowsSupported(p);
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setAttribute(Qt::WA_OpaquePaintEvent, !_useTransparency);
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handleCompositingUpdate();
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if (rtl()) {
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if (w.x() - width() < r.x() - _padding.left()) {
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if (_parent && w.x() + _parent->width() - _padding.left() - _padding.right() + width() - _padding.right() <= r.x() + r.width()) {
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w.setX(w.x() + _parent->width() - _padding.left() - _padding.right());
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} else {
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w.setX(r.x() - _padding.left());
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}
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} else {
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w.setX(w.x() - width());
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}
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} else {
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if (w.x() + width() - _padding.right() > r.x() + r.width()) {
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if (_parent && w.x() - _parent->width() + _padding.left() + _padding.right() - width() + _padding.right() >= r.x() - _padding.left()) {
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w.setX(w.x() + _padding.left() + _padding.right() - _parent->width() - width() + _padding.left() + _padding.right());
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} else {
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w.setX(p.x() - width() + _padding.right());
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}
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origin = PanelAnimation::Origin::TopRight;
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}
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}
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if (w.y() + height() - _padding.bottom() > r.y() + r.height()) {
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if (_parent) {
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w.setY(r.y() + r.height() - height() + _padding.bottom());
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} else {
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w.setY(p.y() - height() + _padding.bottom());
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origin = (origin == PanelAnimation::Origin::TopRight) ? PanelAnimation::Origin::BottomRight : PanelAnimation::Origin::BottomLeft;
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}
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}
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if (w.x() < r.x()) {
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w.setX(r.x());
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}
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if (w.y() < r.y()) {
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w.setY(r.y());
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}
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move(w);
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setOrigin(origin);
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_menu->setShowSource(source);
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startShowAnimation();
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psUpdateOverlayed(this);
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show();
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psShowOverAll(this);
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windowHandle()->requestActivate();
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activateWindow();
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}
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PopupMenu::~PopupMenu() {
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for (auto submenu : base::take(_submenus)) {
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delete submenu;
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}
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if (auto w = App::wnd()) {
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w->reActivateWindow();
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}
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if (_destroyedCallback) {
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_destroyedCallback();
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}
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}
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} // namespace Ui
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