lib_ui/ui/widgets/popup_menu.cpp
2023-02-03 19:31:57 +04:00

1093 lines
28 KiB
C++

// This file is part of Desktop App Toolkit,
// a set of libraries for developing nice desktop applications.
//
// For license and copyright information please follow this link:
// https://github.com/desktop-app/legal/blob/master/LEGAL
//
#include "ui/widgets/popup_menu.h"
#include "ui/image/image_prepare.h"
#include "ui/platform/ui_platform_utility.h"
#include "ui/widgets/shadow.h"
#include "ui/widgets/menu/menu_item_base.h"
#include "ui/widgets/scroll_area.h"
#include "ui/wrap/padding_wrap.h"
#include "ui/ui_utility.h"
#include "ui/delayed_activation.h"
#include "ui/painter.h"
#include "base/invoke_queued.h"
#include "base/platform/base_platform_info.h"
#include <QtGui/QtEvents>
#include <QtGui/QPainter>
#include <QtGui/QScreen>
#include <QtGui/QWindow>
#include <QtWidgets/QApplication>
#include <private/qapplication_p.h>
namespace Ui {
namespace {
constexpr auto kShadowCornerMultiplier = 3;
[[nodiscard]] not_null<QImage*> PrepareCachedShadow(
style::margins padding,
not_null<const style::Shadow*> shadow,
not_null<const RoundRect*> body,
rpl::lifetime &lifetime) {
const auto radius = st::roundRadiusSmall;
const auto side = radius * kShadowCornerMultiplier;
const auto middle = radius;
const auto size = side * 2 + middle;
const auto rect = QRect(0, 0, size, size);
const auto result = lifetime.make_state<QImage>(
rect.marginsAdded(padding).size() * style::DevicePixelRatio(),
QImage::Format_ARGB32_Premultiplied);
result->setDevicePixelRatio(style::DevicePixelRatio());
const auto render = [=] {
result->fill(Qt::transparent);
auto p = QPainter(result);
const auto inner = QRect(padding.left(), padding.top(), size, size);
const auto outerWidth = padding.left() + size + padding.right();
Shadow::paint(p, inner, outerWidth, *shadow);
p.setCompositionMode(QPainter::CompositionMode_DestinationOut);
body->paint(p, inner);
};
render();
style::PaletteChanged(
) | rpl::start_with_next(render, lifetime);
return result;
}
void PaintCachedShadow(
QPainter &p,
QSize outer,
style::margins padding,
const QImage &cached) {
const auto fill = [&](
int dstx, int dsty, int dstw, int dsth,
int srcx, int srcy, int srcw, int srch) {
p.drawImage(
QRect(dstx, dsty, dstw, dsth),
cached,
QRect(
QPoint(srcx, srcy) * style::DevicePixelRatio(),
QSize(srcw, srch) * style::DevicePixelRatio()));
};
const auto paintCorner = [&](
int width, int height,
int dstx, int dsty,
int srcx, int srcy) {
fill(dstx, dsty, width, height, srcx, srcy, width, height);
};
const auto radius = st::roundRadiusSmall;
const auto side = radius * kShadowCornerMultiplier;
const auto middle = radius;
const auto size = side * 2 + middle;
paintCorner( // Top-Left
padding.left() + side,
padding.top() + side,
0,
0,
0,
0);
paintCorner( // Top-Right
side + padding.right(),
padding.top() + side,
outer.width() - side - padding.right(),
0,
padding.left() + size - side,
0);
paintCorner( // Bottom-Right
side + padding.right(),
side + padding.bottom(),
outer.width() - side - padding.right(),
outer.height() - side - padding.bottom(),
padding.left() + size - side,
padding.top() + size - side);
paintCorner( // Bottom-Left
padding.left() + side,
side + padding.bottom(),
0,
outer.height() - side - padding.bottom(),
0,
padding.top() + size - side);
const auto fillx = outer.width()
- padding.left()
- padding.right()
- 2 * side;
fill( // Top
padding.left() + side,
0,
fillx,
padding.top(),
padding.left() + side + (middle / 2),
0,
1,
padding.top());
fill( // Bottom
padding.left() + side,
outer.height() - padding.bottom(),
fillx,
padding.bottom(),
padding.left() + side + (middle / 2),
padding.top() + size,
1,
padding.bottom());
const auto filly = outer.height()
- padding.top()
- padding.bottom()
- 2 * side;
fill( // Left
0,
padding.top() + side,
padding.left(),
filly,
0,
padding.top() + side + (middle / 2),
padding.left(),
1);
fill( // Right
outer.width() - padding.right(),
padding.top() + side,
padding.right(),
filly,
padding.left() + size,
padding.top() + side + (middle / 2),
padding.right(),
1);
}
} // namespace
PopupMenu::PopupMenu(QWidget *parent, const style::PopupMenu &st)
: RpWidget(parent)
, _st(st)
, _roundRect(ImageRoundRadius::Small, _st.menu.itemBg)
, _scroll(this, st::defaultMultiSelect.scroll)
, _menu(_scroll->setOwnedWidget(
object_ptr<PaddingWrap<Menu::Menu>>(
_scroll.data(),
object_ptr<Menu::Menu>(_scroll.data(), _st.menu),
_st.scrollPadding))->entity()) {
init();
}
PopupMenu::PopupMenu(QWidget *parent, QMenu *menu, const style::PopupMenu &st)
: RpWidget(parent)
, _st(st)
, _roundRect(ImageRoundRadius::Small, _st.menu.itemBg)
, _scroll(this, st::defaultMultiSelect.scroll)
, _menu(_scroll->setOwnedWidget(
object_ptr<PaddingWrap<Menu::Menu>>(
_scroll.data(),
object_ptr<Menu::Menu>(_scroll.data(), menu, _st.menu),
_st.scrollPadding))->entity()) {
init();
for (const auto &action : actions()) {
if (const auto submenu = action->menu()) {
_submenus.emplace(
action,
base::make_unique_q<PopupMenu>(parentWidget(), submenu, st)
).first->second->deleteOnHide(false);
}
}
}
void PopupMenu::init() {
using namespace rpl::mappers;
Integration::Instance().forcePopupMenuHideRequests(
) | rpl::start_with_next([=] {
hideMenu(true);
}, lifetime());
installEventFilter(this);
const auto paddingWrap = static_cast<PaddingWrap<Menu::Menu>*>(
_menu->parentWidget());
paddingWrap->paintRequest(
) | rpl::start_with_next([=](QRect clip) {
const auto top = clip.intersected(
QRect(0, 0, paddingWrap->width(), _st.scrollPadding.top()));
const auto bottom = clip.intersected(QRect(
0,
paddingWrap->height() - _st.scrollPadding.bottom(),
paddingWrap->width(),
_st.scrollPadding.bottom()));
auto p = QPainter(paddingWrap);
if (!top.isEmpty()) {
p.fillRect(top, _st.menu.itemBg);
}
if (!bottom.isEmpty()) {
p.fillRect(bottom, _st.menu.itemBg);
}
}, paddingWrap->lifetime());
_menu->scrollToRequests(
) | rpl::start_with_next([=](ScrollToRequest request) {
_scroll->scrollTo({
request.ymin ? (_st.scrollPadding.top() + request.ymin) : 0,
(request.ymax == _menu->height()
? paddingWrap->height()
: (_st.scrollPadding.top() + request.ymax)),
});
}, _menu->lifetime());
_menu->resizesFromInner(
) | rpl::start_with_next([=] {
handleMenuResize();
}, _menu->lifetime());
_menu->setActivatedCallback([this](const Menu::CallbackData &data) {
handleActivated(data);
});
_menu->setTriggeredCallback([this](const Menu::CallbackData &data) {
handleTriggered(data);
});
_menu->setKeyPressDelegate([this](int key) { return handleKeyPress(key); });
_menu->setMouseMoveDelegate([this](QPoint globalPosition) { handleMouseMove(globalPosition); });
_menu->setMousePressDelegate([this](QPoint globalPosition) { handleMousePress(globalPosition); });
_menu->setMouseReleaseDelegate([this](QPoint globalPosition) { handleMouseRelease(globalPosition); });
setWindowFlags(Qt::WindowFlags(Qt::FramelessWindowHint) | Qt::BypassWindowManagerHint | Qt::Popup | Qt::NoDropShadowWindowHint);
setMouseTracking(true);
hide();
setAttribute(Qt::WA_NoSystemBackground, true);
_useTransparency = Platform::TranslucentWindowsSupported();
if (_useTransparency) {
setAttribute(Qt::WA_TranslucentBackground, true);
} else {
setAttribute(Qt::WA_TranslucentBackground, false);
setAttribute(Qt::WA_OpaquePaintEvent, true);
}
}
not_null<PopupMenu*> PopupMenu::ensureSubmenu(
not_null<QAction*> action,
const style::PopupMenu &st) {
const auto &list = actions();
const auto i = ranges::find(list, action);
Assert(i != end(list));
const auto j = _submenus.find(action);
if (j != end(_submenus)) {
return j->second.get();
}
const auto result = _submenus.emplace(
action,
base::make_unique_q<PopupMenu>(parentWidget(), st)
).first->second.get();
result->deleteOnHide(false);
return result;
}
void PopupMenu::removeSubmenu(not_null<QAction*> action) {
const auto menu = _submenus.take(action);
if (menu && menu->get() == _activeSubmenu) {
base::take(_activeSubmenu)->hideMenu(true);
}
}
void PopupMenu::checkSubmenuShow() {
if (_activeSubmenu) {
return;
} else if (const auto item = _menu->findSelectedAction()) {
if (item->lastTriggeredSource() == Menu::TriggeredSource::Mouse) {
if (_submenus.contains(item->action())) {
item->setClicked(Menu::TriggeredSource::Mouse);
}
}
}
}
void PopupMenu::validateCompositingSupport() {
const auto line = st::lineWidth;
const auto &additional = _additionalMenuPadding;
if (!_useTransparency) {
_padding = QMargins(
std::max(line, additional.left()),
std::max(line, additional.top()),
std::max(line, additional.right()),
std::max(line, additional.bottom()));
_extents = QMargins();
} else {
_padding = QMargins(
std::max(_st.shadow.extend.left(), additional.left()),
std::max(_st.shadow.extend.top(), additional.top()),
std::max(_st.shadow.extend.right(), additional.right()),
std::max(_st.shadow.extend.bottom(), additional.bottom()));
_extents = _padding - (additional - _additionalMenuExtents);
}
if (windowHandle()) {
if (_extents.isNull()) {
Platform::UnsetWindowExtents(this);
} else {
Platform::SetWindowExtents(this, _extents);
}
}
_scroll->moveToLeft(_padding.left(), _padding.top());
handleMenuResize();
updateRoundingOverlay();
}
void PopupMenu::updateRoundingOverlay() {
if (!_useTransparency) {
_roundingOverlay.destroy();
return;
} else if (_roundingOverlay) {
return;
}
_roundingOverlay.create(this);
sizeValue(
) | rpl::start_with_next([=](QSize size) {
_roundingOverlay->setGeometry(QRect(QPoint(), size));
}, _roundingOverlay->lifetime());
const auto shadow = PrepareCachedShadow(
_padding,
&_st.shadow,
&_roundRect,
_roundingOverlay->lifetime());
_roundingOverlay->paintRequest(
) | rpl::start_with_next([=](QRect clip) {
auto p = QPainter(_roundingOverlay.data());
auto hq = PainterHighQualityEnabler(p);
p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
_roundRect.paint(p, _inner, RectPart::AllCorners);
if (!_grabbingForPanelAnimation) {
p.setCompositionMode(QPainter::CompositionMode_SourceOver);
PaintCachedShadow(p, size(), _padding, *shadow);
}
}, _roundingOverlay->lifetime());
_roundingOverlay->setAttribute(Qt::WA_TransparentForMouseEvents);
}
void PopupMenu::handleMenuResize() {
auto newWidth = _padding.left() + _st.scrollPadding.left() + _menu->width() + _st.scrollPadding.right() + _padding.right();
auto newHeight = _padding.top() + _st.scrollPadding.top() + _menu->height() + _st.scrollPadding.bottom() + _padding.bottom();
const auto wantedHeight = newHeight - _padding.top() - _padding.bottom();
const auto scrollHeight = _st.maxHeight
? std::min(_st.maxHeight, wantedHeight)
: wantedHeight;
_scroll->resize(
newWidth - _padding.left() - _padding.right(),
scrollHeight);
{
const auto newSize = QSize(
newWidth,
_padding.top() + scrollHeight + _padding.bottom());
if (::Platform::IsMac()) {
setMaximumSize(newSize);
setMinimumSize(newSize);
}
resize(newSize);
}
_inner = rect().marginsRemoved(_padding);
}
not_null<QAction*> PopupMenu::addAction(
base::unique_qptr<Menu::ItemBase> widget) {
return _menu->addAction(std::move(widget));
}
not_null<QAction*> PopupMenu::addAction(
const QString &text,
Fn<void()> callback,
const style::icon *icon,
const style::icon *iconOver) {
return _menu->addAction(text, std::move(callback), icon, iconOver);
}
not_null<QAction*> PopupMenu::addAction(
const QString &text,
std::unique_ptr<PopupMenu> submenu,
const style::icon *icon,
const style::icon *iconOver) {
const auto action = _menu->addAction(
text,
std::make_unique<QMenu>(),
icon,
iconOver);
const auto saved = _submenus.emplace(
action,
base::unique_qptr<PopupMenu>(submenu.release())
).first->second.get();
saved->setParent(parentWidget());
saved->deleteOnHide(false);
return action;
}
not_null<QAction*> PopupMenu::addSeparator(const style::MenuSeparator *st) {
return _menu->addSeparator(st);
}
not_null<QAction*> PopupMenu::insertAction(
int position,
base::unique_qptr<Menu::ItemBase> widget) {
return _menu->insertAction(position, std::move(widget));
}
void PopupMenu::clearActions() {
_submenus.clear();
return _menu->clearActions();
}
void PopupMenu::setTopShift(int topShift) {
_topShift = topShift;
}
void PopupMenu::setForceWidth(int forceWidth) {
_menu->setForceWidth(forceWidth);
}
const std::vector<not_null<QAction*>> &PopupMenu::actions() const {
return _menu->actions();
}
bool PopupMenu::empty() const {
return _menu->empty();
}
void PopupMenu::paintEvent(QPaintEvent *e) {
QPainter p(this);
if (_a_show.animating()) {
const auto opacity = _a_opacity.value(_hiding ? 0. : 1.);
const auto progress = _a_show.value(1.);
const auto state = (opacity > 0.)
? _showAnimation->paintFrame(p, 0, 0, width(), progress, opacity)
: PanelAnimation::PaintState();
_showStateChanges.fire({
.opacity = state.opacity,
.widthProgress = state.widthProgress,
.heightProgress = state.heightProgress,
.appearingWidth = state.width,
.appearingHeight = state.height,
.appearing = true,
});
} else if (_a_opacity.animating()) {
if (_showAnimation) {
_showAnimation.reset();
_showStateChanges.fire({
.toggling = true,
});
}
p.setOpacity(_a_opacity.value(0.));
p.drawPixmap(0, 0, _cache);
} else if (_hiding || isHidden()) {
hideFinished();
} else if (_showAnimation) {
_showAnimation->paintFrame(p, 0, 0, width(), 1., 1.);
_showAnimation.reset();
_showStateChanges.fire({});
PostponeCall(this, [=] {
showChildren();
_animatePhase = AnimatePhase::Shown;
});
} else {
paintBg(p);
}
}
void PopupMenu::paintBg(QPainter &p) {
if (!_useTransparency) {
p.fillRect(0, 0, width() - _padding.right(), _padding.top(), _st.shadow.fallback);
p.fillRect(width() - _padding.right(), 0, _padding.right(), height() - _padding.bottom(), _st.shadow.fallback);
p.fillRect(_padding.left(), height() - _padding.bottom(), width() - _padding.left(), _padding.bottom(), _st.shadow.fallback);
p.fillRect(0, _padding.top(), _padding.left(), height() - _padding.top(), _st.shadow.fallback);
}
}
void PopupMenu::handleActivated(const Menu::CallbackData &data) {
if (data.source == TriggeredSource::Mouse) {
if (!popupSubmenuFromAction(data)) {
if (const auto currentSubmenu = base::take(_activeSubmenu)) {
currentSubmenu->hideMenu(true);
}
}
}
}
void PopupMenu::handleTriggered(const Menu::CallbackData &data) {
if (!popupSubmenuFromAction(data)) {
_triggering = true;
hideMenu();
data.action->trigger();
_triggering = false;
if (_deleteLater) {
_deleteLater = false;
deleteLater();
}
}
}
bool PopupMenu::popupSubmenuFromAction(const Menu::CallbackData &data) {
if (!data.action) {
return false;
}
if (const auto i = _submenus.find(data.action); i != end(_submenus)) {
const auto submenu = i->second.get();
if (_activeSubmenu != submenu) {
popupSubmenu(data.action, submenu, data.actionTop, data.source);
}
return true;
}
return false;
}
void PopupMenu::popupSubmenu(
not_null<QAction*> action,
not_null<PopupMenu*> submenu,
int actionTop,
TriggeredSource source) {
if (auto currentSubmenu = base::take(_activeSubmenu)) {
currentSubmenu->hideMenu(true);
}
if (submenu) {
const auto padding = _useTransparency
? _st.shadow.extend
: QMargins(st::lineWidth, 0, st::lineWidth, 0);
QPoint p(_inner.x() + (style::RightToLeft() ? padding.right() : (_inner.width() - padding.left())), _inner.y() + actionTop);
_activeSubmenu = submenu;
if (_activeSubmenu->prepareGeometryFor(geometry().topLeft() + p, this)) {
_activeSubmenu->showPrepared(source);
_menu->setChildShownAction(action);
} else {
_activeSubmenu = nullptr;
}
}
}
void PopupMenu::forwardKeyPress(not_null<QKeyEvent*> e) {
if (!handleKeyPress(e->key())) {
_menu->handleKeyPress(e);
}
}
bool PopupMenu::handleKeyPress(int key) {
if (_activeSubmenu) {
_activeSubmenu->handleKeyPress(key);
return true;
} else if (key == Qt::Key_Escape) {
hideMenu(_parent ? true : false);
return true;
} else if (key == (style::RightToLeft() ? Qt::Key_Right : Qt::Key_Left)) {
if (_parent) {
hideMenu(true);
return true;
}
} else if (key == (style::RightToLeft() ? Qt::Key_Left : Qt::Key_Right)) {
if (const auto item = _menu->findSelectedAction()) {
if (_submenus.contains(item->action())) {
item->setClicked(Menu::TriggeredSource::Keyboard);
}
}
}
return false;
}
void PopupMenu::handleMouseMove(QPoint globalPosition) {
if (_parent) {
_parent->forwardMouseMove(globalPosition);
}
}
void PopupMenu::handleMousePress(QPoint globalPosition) {
if (_parent) {
_parent->forwardMousePress(globalPosition);
} else {
hideMenu();
}
}
void PopupMenu::handleMouseRelease(QPoint globalPosition) {
if (_parent) {
_parent->forwardMouseRelease(globalPosition);
} else {
hideMenu();
}
}
void PopupMenu::focusOutEvent(QFocusEvent *e) {
hideMenu();
}
void PopupMenu::hideEvent(QHideEvent *e) {
if (_deleteOnHide) {
if (_triggering) {
_deleteLater = true;
} else {
deleteLater();
}
}
}
void PopupMenu::keyPressEvent(QKeyEvent *e) {
forwardKeyPress(e);
}
void PopupMenu::mouseMoveEvent(QMouseEvent *e) {
forwardMouseMove(e->globalPos());
}
void PopupMenu::mousePressEvent(QMouseEvent *e) {
forwardMousePress(e->globalPos());
}
bool PopupMenu::eventFilter(QObject *o, QEvent *e) {
const auto type = e->type();
if (type == QEvent::TouchBegin
|| type == QEvent::TouchUpdate
|| type == QEvent::TouchEnd) {
if (o == windowHandle() && isActiveWindow()) {
const auto event = static_cast<QTouchEvent*>(e);
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
e->setAccepted(
QApplicationPrivate::translateRawTouchEvent(
this,
event->device(),
event->touchPoints(),
event->timestamp()));
#elif QT_VERSION < QT_VERSION_CHECK(6, 3, 0) // Qt < 6.0.0
e->setAccepted(
QApplicationPrivate::translateRawTouchEvent(
this,
event->pointingDevice(),
const_cast<QList<QEventPoint> &>(event->points()),
event->timestamp()));
#else // Qt < 6.3.0
e->setAccepted(
QApplicationPrivate::translateRawTouchEvent(this, event));
#endif
return e->isAccepted();
}
}
return false;
}
void PopupMenu::hideMenu(bool fast) {
if (isHidden()) {
return;
}
if (_parent && !_a_opacity.animating()) {
_parent->childHiding(this);
}
if (fast) {
hideFast();
} else {
hideAnimated();
if (_parent) {
_parent->hideMenu();
}
}
if (_activeSubmenu) {
_activeSubmenu->hideMenu(fast);
}
}
void PopupMenu::childHiding(PopupMenu *child) {
if (_activeSubmenu && _activeSubmenu == child) {
_activeSubmenu = nullptr;
}
if (!_activeSubmenu) {
_menu->setChildShownAction(nullptr);
}
if (!_hiding && !isHidden()) {
raise();
activateWindow();
}
}
void PopupMenu::setOrigin(PanelAnimation::Origin origin) {
_origin = _forcedOrigin.value_or(origin);
}
void PopupMenu::setForcedOrigin(PanelAnimation::Origin origin) {
_forcedOrigin = origin;
}
void PopupMenu::setForcedVerticalOrigin(VerticalOrigin origin) {
_forcedVerticalOrigin = origin;
}
void PopupMenu::setAdditionalMenuPadding(
QMargins padding,
QMargins extents) {
Expects(padding.left() >= extents.left()
&& padding.right() >= extents.right()
&& padding.top() >= extents.top()
&& padding.bottom() >= extents.bottom());
if (_additionalMenuPadding != padding
|| _additionalMenuExtents != extents) {
_additionalMenuPadding = padding;
_additionalMenuExtents = extents;
_roundingOverlay = nullptr;
}
}
void PopupMenu::showAnimated(PanelAnimation::Origin origin) {
setOrigin(origin);
showStarted();
}
void PopupMenu::hideAnimated() {
if (isHidden()) return;
if (_hiding) return;
startOpacityAnimation(true);
}
void PopupMenu::hideFast() {
if (isHidden()) return;
_a_opacity.stop();
hideFinished();
}
void PopupMenu::hideFinished() {
_hiding = false;
_a_show.stop();
_cache = QPixmap();
_animatePhase = AnimatePhase::Hidden;
if (!isHidden()) {
hide();
}
}
void PopupMenu::prepareCache() {
if (_a_opacity.animating()) return;
auto showAnimation = base::take(_a_show);
auto showAnimationData = base::take(_showAnimation);
if (showAnimation.animating()) {
_showStateChanges.fire({});
}
showChildren();
_cache = GrabWidget(this);
_showAnimation = base::take(showAnimationData);
_a_show = base::take(showAnimation);
if (_a_show.animating()) {
fireCurrentShowState();
}
}
void PopupMenu::startOpacityAnimation(bool hiding) {
if (!_useTransparency) {
_a_opacity.stop();
_hiding = hiding;
if (_hiding) {
InvokeQueued(this, [=] {
if (_hiding) {
hideFinished();
}
});
} else {
update();
}
return;
}
_hiding = false;
prepareCache();
_hiding = hiding;
_animatePhase = hiding
? AnimatePhase::StartHide
: AnimatePhase::StartShow;
hideChildren();
_a_opacity.start(
[=] { opacityAnimationCallback(); },
_hiding ? 1. : 0.,
_hiding ? 0. : 1.,
_st.duration);
}
void PopupMenu::showStarted() {
if (isHidden()) {
show();
startShowAnimation();
return;
} else if (!_hiding) {
return;
}
startOpacityAnimation(false);
}
void PopupMenu::startShowAnimation() {
if (!_useTransparency) {
_a_show.stop();
update();
return;
}
if (!_a_show.animating()) {
auto opacityAnimation = base::take(_a_opacity);
showChildren();
auto cache = grabForPanelAnimation();
_a_opacity = base::take(opacityAnimation);
const auto pixelRatio = style::DevicePixelRatio();
_showAnimation = std::make_unique<PanelAnimation>(_st.animation, _origin);
_showAnimation->setFinalImage(std::move(cache), QRect(_inner.topLeft() * pixelRatio, _inner.size() * pixelRatio));
if (_useTransparency) {
_showAnimation->setCornerMasks(
Images::CornersMask(ImageRoundRadius::Small));
} else {
_showAnimation->setSkipShadow(true);
}
_showAnimation->start();
}
_animatePhase = AnimatePhase::StartShow;
hideChildren();
_a_show.start([this] { showAnimationCallback(); }, 0., 1., _st.showDuration);
fireCurrentShowState();
}
void PopupMenu::fireCurrentShowState() {
const auto state = _showAnimation->computeState(
_a_show.value(1.),
_a_opacity.value(1.));
_showStateChanges.fire({
.opacity = state.opacity,
.widthProgress = state.widthProgress,
.heightProgress = state.heightProgress,
.appearingWidth = state.width,
.appearingHeight = state.height,
.appearing = true,
});
}
void PopupMenu::opacityAnimationCallback() {
update();
if (!_a_opacity.animating()) {
if (_hiding) {
hideFinished();
} else {
showChildren();
_animatePhase = AnimatePhase::Shown;
}
}
}
void PopupMenu::showAnimationCallback() {
update();
}
QImage PopupMenu::grabForPanelAnimation() {
SendPendingMoveResizeEvents(this);
const auto pixelRatio = style::DevicePixelRatio();
auto result = QImage(size() * pixelRatio, QImage::Format_ARGB32_Premultiplied);
result.setDevicePixelRatio(pixelRatio);
result.fill(Qt::transparent);
{
QPainter p(&result);
_grabbingForPanelAnimation = true;
p.fillRect(_inner, _st.menu.itemBg);
for (const auto child : children()) {
if (const auto widget = qobject_cast<QWidget*>(child)) {
RenderWidget(p, widget, widget->pos());
}
}
_grabbingForPanelAnimation = false;
}
return result;
}
void PopupMenu::deleteOnHide(bool del) {
_deleteOnHide = del;
}
void PopupMenu::popup(const QPoint &p) {
if (_clearLastSeparator) {
_menu->clearLastSeparator();
for (const auto &[action, submenu] : _submenus) {
submenu->menu()->clearLastSeparator();
}
}
if (prepareGeometryFor(p)) {
popupPrepared();
return;
}
_hiding = false;
_a_opacity.stop();
_a_show.stop();
_cache = QPixmap();
hide();
if (_deleteOnHide) {
deleteLater();
}
}
void PopupMenu::popupPrepared() {
showPrepared(TriggeredSource::Mouse);
}
PanelAnimation::Origin PopupMenu::preparedOrigin() const {
return _origin;
}
QMargins PopupMenu::preparedPadding() const {
return _padding;
}
QMargins PopupMenu::preparedExtents() const {
return _extents;
}
bool PopupMenu::useTransparency() const {
return _useTransparency;
}
rpl::producer<PopupMenu::ShowState> PopupMenu::showStateValue() const {
return _showStateChanges.events();
}
bool PopupMenu::prepareGeometryFor(const QPoint &p) {
return prepareGeometryFor(p, nullptr);
}
bool PopupMenu::prepareGeometryFor(const QPoint &p, PopupMenu *parent) {
const auto usingScreenGeometry = !::Platform::IsWayland();
const auto screen = usingScreenGeometry
? QGuiApplication::screenAt(p)
: nullptr;
if ((usingScreenGeometry && !screen)
|| (!parent
&& ::Platform::IsMac()
&& !Platform::IsApplicationActive())) {
return false;
}
_parent = parent;
createWinId();
windowHandle()->removeEventFilter(this);
windowHandle()->installEventFilter(this);
if (_parent) {
windowHandle()->setScreen(_parent->screen());
} else if (screen) {
windowHandle()->setScreen(screen);
}
validateCompositingSupport();
using Origin = PanelAnimation::Origin;
auto origin = Origin::TopLeft;
const auto forceLeft = _forcedOrigin
&& (*_forcedOrigin == Origin::TopLeft
|| *_forcedOrigin == Origin::BottomLeft);
const auto forceTop = (_forcedVerticalOrigin
&& (*_forcedVerticalOrigin == VerticalOrigin::Top))
|| (_forcedOrigin
&& (*_forcedOrigin == Origin::TopLeft
|| *_forcedOrigin == Origin::TopRight));
const auto forceRight = _forcedOrigin
&& (*_forcedOrigin == Origin::TopRight
|| *_forcedOrigin == Origin::BottomRight);
const auto forceBottom = (_forcedVerticalOrigin
&& (*_forcedVerticalOrigin == VerticalOrigin::Bottom))
|| (_forcedOrigin
&& (*_forcedOrigin == Origin::BottomLeft
|| *_forcedOrigin == Origin::BottomRight));
auto w = p - QPoint(
std::max(
_additionalMenuPadding.left() - _st.shadow.extend.left(),
0),
_padding.top() - _topShift);
auto r = screen ? screen->availableGeometry() : QRect();
const auto parentWidth = _parent ? _parent->inner().width() : 0;
if (style::RightToLeft()) {
const auto badLeft = !r.isNull() && w.x() - width() < r.x() - _extents.left();
if (forceRight || (badLeft && !forceLeft)) {
if (_parent && (r.isNull() || w.x() + parentWidth - _extents.left() - _extents.right() + width() - _extents.right() <= r.x() + r.width())) {
w.setX(w.x() + parentWidth - _extents.left() - _extents.right());
} else {
w.setX(r.x() - _extents.left());
}
} else {
w.setX(w.x() - width());
}
} else {
const auto badLeft = !r.isNull() && w.x() + width() - _extents.right() > r.x() + r.width();
if (forceRight || (badLeft && !forceLeft)) {
if (_parent && (r.isNull() || w.x() - parentWidth + _extents.left() + _extents.right() - width() + _extents.right() >= r.x() - _extents.left())) {
w.setX(w.x() + _extents.left() + _extents.right() - parentWidth - width() + _extents.left() + _extents.right());
} else {
w.setX(p.x() - width() + std::max(
_additionalMenuPadding.right() - _st.shadow.extend.right(),
0));
}
origin = PanelAnimation::Origin::TopRight;
}
}
const auto badTop = !r.isNull() && w.y() + height() - _extents.bottom() > r.y() + r.height();
if (forceBottom || (badTop && !forceTop)) {
if (_parent) {
w.setY(r.y() + r.height() - height() + _extents.bottom());
} else {
w.setY(p.y() - height() + _extents.bottom());
origin = (origin == PanelAnimation::Origin::TopRight)
? PanelAnimation::Origin::BottomRight
: PanelAnimation::Origin::BottomLeft;
}
}
if (!r.isNull()) {
if (w.x() + width() - _extents.right() > r.x() + r.width()) {
w.setX(r.x() + r.width() + _extents.right() - width());
}
if (w.x() + _extents.left() < r.x()) {
w.setX(r.x() - _extents.left());
}
if (w.y() + height() - _extents.bottom() > r.y() + r.height()) {
w.setY(r.y() + r.height() + _extents.bottom() - height());
}
if (w.y() + _extents.top() < r.y()) {
w.setY(r.y() - _extents.top());
}
}
move(w);
setOrigin(origin);
return true;
}
void PopupMenu::showPrepared(TriggeredSource source) {
Expects(windowHandle() != nullptr);
_menu->setShowSource(source);
startShowAnimation();
Platform::UpdateOverlayed(this);
show();
Platform::ShowOverAll(this);
raise();
activateWindow();
}
void PopupMenu::setClearLastSeparator(bool clear) {
_clearLastSeparator = clear;
}
PopupMenu::~PopupMenu() {
for (const auto &[action, submenu] : base::take(_submenus)) {
delete submenu;
}
if (const auto parent = parentWidget()) {
const auto focused = QApplication::focusWidget();
if (_reactivateParent
&& focused != nullptr
&& Ui::InFocusChain(parent->window())) {
ActivateWindowDelayed(parent);
}
}
if (_destroyedCallback) {
_destroyedCallback();
}
}
} // namespace Ui