449 lines
11 KiB
C++
449 lines
11 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "chat_helpers/tabbed_panel.h"
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#include "ui/widgets/shadow.h"
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#include "ui/image/image_prepare.h"
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#include "chat_helpers/tabbed_selector.h"
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#include "window/window_session_controller.h"
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#include "mainwindow.h"
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#include "core/application.h"
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#include "core/qt_signal_producer.h"
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#include "styles/style_chat_helpers.h"
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namespace ChatHelpers {
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namespace {
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constexpr auto kHideTimeoutMs = 300;
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constexpr auto kDelayedHideTimeoutMs = 3000;
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} // namespace
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TabbedPanel::TabbedPanel(
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QWidget *parent,
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not_null<Window::SessionController*> controller)
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: TabbedPanel(
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parent,
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controller,
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object_ptr<TabbedSelector>(nullptr, controller)) {
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}
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TabbedPanel::TabbedPanel(
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QWidget *parent,
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not_null<Window::SessionController*> controller,
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object_ptr<TabbedSelector> selector)
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: RpWidget(parent)
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, _controller(controller)
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, _selector(std::move(selector))
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, _heightRatio(st::emojiPanHeightRatio)
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, _minContentHeight(st::emojiPanMinHeight)
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, _maxContentHeight(st::emojiPanMaxHeight) {
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_selector->setParent(this);
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_selector->setRoundRadius(st::buttonRadius);
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_selector->setAfterShownCallback([=](SelectorTab tab) {
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if (tab == SelectorTab::Gifs || tab == SelectorTab::Stickers) {
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_controller->enableGifPauseReason(
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Window::GifPauseReason::SavedGifs);
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}
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});
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_selector->setBeforeHidingCallback([=](SelectorTab tab) {
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if (tab == SelectorTab::Gifs || tab == SelectorTab::Stickers) {
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_controller->disableGifPauseReason(
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Window::GifPauseReason::SavedGifs);
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}
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});
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_selector->showRequests(
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) | rpl::start_with_next([=] {
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showFromSelector();
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}, lifetime());
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resize(QRect(0, 0, st::emojiPanWidth, st::emojiPanMaxHeight).marginsAdded(innerPadding()).size());
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_contentMaxHeight = st::emojiPanMaxHeight;
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_contentHeight = _contentMaxHeight;
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_selector->resize(st::emojiPanWidth, _contentHeight);
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_selector->move(innerRect().topLeft());
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_hideTimer.setCallback([this] { hideByTimerOrLeave(); });
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_selector->checkForHide(
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) | rpl::start_with_next([=] {
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if (!rect().contains(mapFromGlobal(QCursor::pos()))) {
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_hideTimer.callOnce(kDelayedHideTimeoutMs);
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}
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}, lifetime());
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_selector->cancelled(
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) | rpl::start_with_next([=] {
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hideAnimated();
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}, lifetime());
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_selector->slideFinished(
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) | rpl::start_with_next([=] {
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InvokeQueued(this, [=] {
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if (_hideAfterSlide) {
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startOpacityAnimation(true);
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}
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});
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}, lifetime());
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macWindowDeactivateEvents(
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) | rpl::filter([=] {
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return !isHidden() && !preventAutoHide();
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}) | rpl::start_with_next([=] {
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hideAnimated();
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}, lifetime());
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setAttribute(Qt::WA_OpaquePaintEvent, false);
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hideChildren();
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}
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void TabbedPanel::moveBottomRight(int bottom, int right) {
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_bottom = bottom;
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_right = right;
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updateContentHeight();
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}
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void TabbedPanel::setDesiredHeightValues(
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float64 ratio,
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int minHeight,
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int maxHeight) {
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_heightRatio = ratio;
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_minContentHeight = minHeight;
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_maxContentHeight = maxHeight;
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updateContentHeight();
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}
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void TabbedPanel::updateContentHeight() {
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if (isDestroying()) {
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return;
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}
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auto addedHeight = innerPadding().top() + innerPadding().bottom();
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auto marginsHeight = _selector->marginTop() + _selector->marginBottom();
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auto availableHeight = _bottom - marginsHeight;
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auto wantedContentHeight = qRound(_heightRatio * availableHeight) - addedHeight;
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auto contentHeight = marginsHeight + snap(
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wantedContentHeight,
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_minContentHeight,
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_maxContentHeight);
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auto resultTop = _bottom - addedHeight - contentHeight;
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if (contentHeight == _contentHeight) {
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move(x(), resultTop);
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return;
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}
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auto was = _contentHeight;
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_contentHeight = contentHeight;
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resize(QRect(0, 0, innerRect().width(), _contentHeight).marginsAdded(innerPadding()).size());
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move(x(), resultTop);
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_selector->resize(innerRect().width(), _contentHeight);
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update();
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}
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void TabbedPanel::paintEvent(QPaintEvent *e) {
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Painter p(this);
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// This call can finish _a_show animation and destroy _showAnimation.
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auto opacityAnimating = _a_opacity.animating();
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auto showAnimating = _a_show.animating();
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if (_showAnimation && !showAnimating) {
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_showAnimation.reset();
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if (!opacityAnimating && !isDestroying()) {
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showChildren();
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_selector->afterShown();
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}
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}
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if (showAnimating) {
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Assert(_showAnimation != nullptr);
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if (auto opacity = _a_opacity.value(_hiding ? 0. : 1.)) {
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_showAnimation->paintFrame(p, 0, 0, width(), _a_show.value(1.), opacity);
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}
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} else if (opacityAnimating) {
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p.setOpacity(_a_opacity.value(_hiding ? 0. : 1.));
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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 {
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if (!_cache.isNull()) _cache = QPixmap();
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Ui::Shadow::paint(p, innerRect(), width(), st::emojiPanAnimation.shadow);
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}
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}
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void TabbedPanel::moveByBottom() {
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const auto right = std::max(parentWidget()->width() - _right, 0);
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moveToRight(right, y());
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updateContentHeight();
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}
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void TabbedPanel::enterEventHook(QEvent *e) {
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Core::App().registerLeaveSubscription(this);
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showAnimated();
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}
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bool TabbedPanel::preventAutoHide() const {
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if (isDestroying()) {
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return false;
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}
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return _selector->preventAutoHide();
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}
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void TabbedPanel::leaveEventHook(QEvent *e) {
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Core::App().unregisterLeaveSubscription(this);
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if (preventAutoHide()) {
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return;
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}
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if (_a_show.animating() || _a_opacity.animating()) {
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hideAnimated();
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} else {
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_hideTimer.callOnce(kHideTimeoutMs);
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}
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return TWidget::leaveEventHook(e);
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}
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void TabbedPanel::otherEnter() {
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showAnimated();
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}
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void TabbedPanel::otherLeave() {
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if (preventAutoHide()) {
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return;
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}
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if (_a_opacity.animating()) {
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hideByTimerOrLeave();
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} else {
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_hideTimer.callOnce(0);
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}
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}
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void TabbedPanel::hideFast() {
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if (isHidden()) return;
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if (_selector && !_selector->isHidden()) {
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_selector->beforeHiding();
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}
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_hideTimer.cancel();
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_hiding = false;
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_a_opacity.stop();
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hideFinished();
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}
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void TabbedPanel::opacityAnimationCallback() {
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update();
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if (!_a_opacity.animating()) {
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if (_hiding || isDestroying()) {
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_hiding = false;
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hideFinished();
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} else if (!_a_show.animating()) {
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showChildren();
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_selector->afterShown();
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}
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}
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}
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void TabbedPanel::hideByTimerOrLeave() {
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if (isHidden() || preventAutoHide()) return;
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hideAnimated();
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}
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void TabbedPanel::prepareCacheFor(bool hiding) {
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if (_a_opacity.animating()) {
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return;
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}
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auto showAnimation = base::take(_a_show);
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auto showAnimationData = base::take(_showAnimation);
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_hiding = false;
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showChildren();
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_cache = Ui::GrabWidget(this);
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_a_show = base::take(showAnimation);
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_showAnimation = base::take(showAnimationData);
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_hiding = hiding;
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if (_a_show.animating()) {
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hideChildren();
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}
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}
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void TabbedPanel::startOpacityAnimation(bool hiding) {
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if (_selector && !_selector->isHidden()) {
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_selector->beforeHiding();
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}
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prepareCacheFor(hiding);
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hideChildren();
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_a_opacity.start(
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[=] { opacityAnimationCallback(); },
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_hiding ? 1. : 0.,
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_hiding ? 0. : 1.,
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st::emojiPanDuration);
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}
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void TabbedPanel::startShowAnimation() {
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if (!_a_show.animating()) {
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auto image = grabForAnimation();
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_showAnimation = std::make_unique<Ui::PanelAnimation>(st::emojiPanAnimation, Ui::PanelAnimation::Origin::BottomRight);
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auto inner = rect().marginsRemoved(st::emojiPanMargins);
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_showAnimation->setFinalImage(std::move(image), QRect(inner.topLeft() * cIntRetinaFactor(), inner.size() * cIntRetinaFactor()));
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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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_showAnimation->start();
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}
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hideChildren();
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_a_show.start([this] { update(); }, 0., 1., st::emojiPanShowDuration);
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}
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QImage TabbedPanel::grabForAnimation() {
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auto cache = base::take(_cache);
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auto opacityAnimation = base::take(_a_opacity);
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auto showAnimationData = base::take(_showAnimation);
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auto showAnimation = base::take(_a_show);
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showChildren();
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Ui::SendPendingMoveResizeEvents(this);
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auto result = QImage(
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size() * cIntRetinaFactor(),
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QImage::Format_ARGB32_Premultiplied);
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result.setDevicePixelRatio(cRetinaFactor());
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result.fill(Qt::transparent);
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if (_selector) {
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QPainter p(&result);
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Ui::RenderWidget(p, _selector, _selector->pos());
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}
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_a_show = base::take(showAnimation);
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_showAnimation = base::take(showAnimationData);
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_a_opacity = base::take(opacityAnimation);
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_cache = base::take(_cache);
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return result;
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}
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void TabbedPanel::hideAnimated() {
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if (isHidden() || _hiding) {
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return;
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}
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_hideTimer.cancel();
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if (!isDestroying() && _selector->isSliding()) {
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_hideAfterSlide = true;
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} else {
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startOpacityAnimation(true);
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}
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}
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void TabbedPanel::toggleAnimated() {
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if (isDestroying()) {
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return;
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}
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if (isHidden() || _hiding || _hideAfterSlide) {
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showAnimated();
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} else {
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hideAnimated();
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}
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}
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object_ptr<TabbedSelector> TabbedPanel::takeSelector() {
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if (!isHidden() && !_hiding) {
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startOpacityAnimation(true);
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}
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return std::move(_selector);
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}
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QPointer<TabbedSelector> TabbedPanel::getSelector() const {
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return _selector.data();
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}
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void TabbedPanel::hideFinished() {
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hide();
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_a_show.stop();
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_showAnimation.reset();
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_cache = QPixmap();
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_hiding = false;
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if (isDestroying()) {
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deleteLater();
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} else {
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_selector->hideFinished();
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}
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}
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void TabbedPanel::showAnimated() {
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_hideTimer.cancel();
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_hideAfterSlide = false;
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showStarted();
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}
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void TabbedPanel::showStarted() {
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if (isDestroying()) {
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return;
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}
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if (isHidden()) {
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_selector->showStarted();
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moveByBottom();
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raise();
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show();
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startShowAnimation();
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} else if (_hiding) {
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startOpacityAnimation(false);
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}
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}
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bool TabbedPanel::eventFilter(QObject *obj, QEvent *e) {
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if (isDestroying()) {
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return false;
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}
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if (e->type() == QEvent::Enter) {
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otherEnter();
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} else if (e->type() == QEvent::Leave) {
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otherLeave();
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}
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return false;
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}
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void TabbedPanel::showFromSelector() {
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if (isHidden()) {
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moveByBottom();
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startShowAnimation();
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show();
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}
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showChildren();
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showAnimated();
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}
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style::margins TabbedPanel::innerPadding() const {
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return st::emojiPanMargins;
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}
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QRect TabbedPanel::innerRect() const {
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return rect().marginsRemoved(innerPadding());
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}
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bool TabbedPanel::overlaps(const QRect &globalRect) const {
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if (isHidden() || !_cache.isNull()) return false;
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auto testRect = QRect(mapFromGlobal(globalRect.topLeft()), globalRect.size());
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auto inner = rect().marginsRemoved(st::emojiPanMargins);
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return inner.marginsRemoved(QMargins(st::buttonRadius, 0, st::buttonRadius, 0)).contains(testRect)
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|| inner.marginsRemoved(QMargins(0, st::buttonRadius, 0, st::buttonRadius)).contains(testRect);
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}
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TabbedPanel::~TabbedPanel() = default;
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} // namespace ChatHelpers
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