tdesktop/Telegram/SourceFiles/chat_helpers/tabbed_panel.cpp

464 lines
11 KiB
C++

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