tdesktop/Telegram/SourceFiles/ui/widgets/popup_menu.cpp

494 lines
13 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 "ui/widgets/popup_menu.h"
#include "ui/widgets/shadow.h"
#include "platform/platform_specific.h"
#include "application.h"
#include "mainwindow.h"
#include "messenger.h"
#include "lang/lang_keys.h"
namespace Ui {
PopupMenu::PopupMenu(QWidget*, const style::PopupMenu &st)
: _st(st)
, _menu(this, _st.menu) {
init();
}
PopupMenu::PopupMenu(QWidget*, QMenu *menu, const style::PopupMenu &st)
: _st(st)
, _menu(this, menu, _st.menu) {
init();
for (auto action : actions()) {
if (auto submenu = action->menu()) {
auto it = _submenus.insert(action, new PopupMenu(nullptr, submenu, st));
it.value()->deleteOnHide(false);
}
}
}
void PopupMenu::init() {
using namespace rpl::mappers;
rpl::merge(
Messenger::Instance().passcodeLockChanges(),
Messenger::Instance().termsLockChanges()
) | rpl::start_with_next([=] {
hideMenu(true);
}, lifetime());
_menu->setResizedCallback([this] { handleMenuResize(); });
_menu->setActivatedCallback([this](QAction *action, int actionTop, TriggeredSource source) {
handleActivated(action, actionTop, source);
});
_menu->setTriggeredCallback([this](QAction *action, int actionTop, TriggeredSource source) {
handleTriggered(action, actionTop, source);
});
_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); });
handleCompositingUpdate();
setWindowFlags(Qt::WindowFlags(Qt::FramelessWindowHint) | Qt::BypassWindowManagerHint | Qt::Popup | Qt::NoDropShadowWindowHint);
setMouseTracking(true);
hide();
setAttribute(Qt::WA_NoSystemBackground, true);
setAttribute(Qt::WA_TranslucentBackground, true);
}
void PopupMenu::handleCompositingUpdate() {
_padding = _useTransparency ? _st.shadow.extend : style::margins(st::lineWidth, st::lineWidth, st::lineWidth, st::lineWidth);
_menu->moveToLeft(_padding.left() + _st.scrollPadding.left(), _padding.top() + _st.scrollPadding.top());
handleMenuResize();
}
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();
resize(newWidth, newHeight);
_inner = rect().marginsRemoved(_padding);
}
QAction *PopupMenu::addAction(const QString &text, const QObject *receiver, const char* member, const style::icon *icon, const style::icon *iconOver) {
return _menu->addAction(text, receiver, member, icon, iconOver);
}
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);
}
QAction *PopupMenu::addSeparator() {
return _menu->addSeparator();
}
void PopupMenu::clearActions() {
for (auto submenu : base::take(_submenus)) {
delete submenu;
}
return _menu->clearActions();
}
PopupMenu::Actions &PopupMenu::actions() {
return _menu->actions();
}
void PopupMenu::paintEvent(QPaintEvent *e) {
Painter p(this);
if (_useTransparency) {
Platform::StartTranslucentPaint(p, e);
}
auto ms = getms();
if (_a_show.animating(ms)) {
if (auto opacity = _a_opacity.current(ms, _hiding ? 0. : 1.)) {
_showAnimation->paintFrame(p, 0, 0, width(), _a_show.current(1.), opacity);
}
} else if (_a_opacity.animating(ms)) {
p.setOpacity(_a_opacity.current(0.));
p.drawPixmap(0, 0, _cache);
} else if (_hiding || isHidden()) {
hideFinished();
} else if (_showAnimation) {
_showAnimation->paintFrame(p, 0, 0, width(), 1., 1.);
_showAnimation.reset();
showChildren();
} else {
paintBg(p);
}
}
void PopupMenu::paintBg(Painter &p) {
if (_useTransparency) {
Shadow::paint(p, _inner, width(), _st.shadow);
App::roundRect(p, _inner, _st.menu.itemBg, ImageRoundRadius::Small);
} else {
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);
p.fillRect(_inner, _st.menu.itemBg);
}
}
void PopupMenu::handleActivated(QAction *action, int actionTop, TriggeredSource source) {
if (source == TriggeredSource::Mouse) {
if (!popupSubmenuFromAction(action, actionTop, source)) {
if (auto currentSubmenu = base::take(_activeSubmenu)) {
currentSubmenu->hideMenu(true);
}
}
}
}
void PopupMenu::handleTriggered(QAction *action, int actionTop, TriggeredSource source) {
if (!popupSubmenuFromAction(action, actionTop, source)) {
_triggering = true;
hideMenu();
emit action->trigger();
_triggering = false;
if (_deleteLater) {
_deleteLater = false;
deleteLater();
}
}
}
bool PopupMenu::popupSubmenuFromAction(QAction *action, int actionTop, TriggeredSource source) {
if (auto submenu = _submenus.value(action)) {
if (_activeSubmenu == submenu) {
submenu->hideMenu(true);
} else {
popupSubmenu(submenu, actionTop, source);
}
return true;
}
return false;
}
void PopupMenu::popupSubmenu(SubmenuPointer submenu, int actionTop, TriggeredSource source) {
if (auto currentSubmenu = base::take(_activeSubmenu)) {
currentSubmenu->hideMenu(true);
}
if (submenu) {
QPoint p(_inner.x() + (rtl() ? _padding.right() : _inner.width() - _padding.left()), _inner.y() + actionTop);
_activeSubmenu = submenu;
_activeSubmenu->showMenu(geometry().topLeft() + p, this, source);
_menu->setChildShown(true);
} else {
_menu->setChildShown(false);
}
}
void PopupMenu::forwardKeyPress(int key) {
if (!handleKeyPress(key)) {
_menu->handleKeyPress(key);
}
}
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 == (rtl() ? Qt::Key_Right : Qt::Key_Left)) {
if (_parent) {
hideMenu(true);
return true;
}
}
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::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 = SubmenuPointer();
}
if (!_hiding && !isHidden()) {
windowHandle()->requestActivate();
activateWindow();
}
}
void PopupMenu::setOrigin(PanelAnimation::Origin origin) {
_origin = origin;
}
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;
_hiding = false;
_a_opacity.finish();
hideFinished();
}
void PopupMenu::hideFinished() {
_a_show.finish();
_cache = QPixmap();
if (!isHidden()) {
hide();
}
}
void PopupMenu::prepareCache() {
if (_a_opacity.animating()) return;
auto showAnimation = base::take(_a_show);
auto showAnimationData = base::take(_showAnimation);
showChildren();
_cache = GrabWidget(this);
_showAnimation = base::take(showAnimationData);
_a_show = base::take(showAnimation);
}
void PopupMenu::startOpacityAnimation(bool hiding) {
_hiding = false;
if (!_useTransparency) {
_a_opacity.finish();
if (hiding) {
hideFinished();
} else {
update();
}
return;
}
prepareCache();
_hiding = hiding;
hideChildren();
_a_opacity.start([this] { 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.finish();
update();
return;
}
if (!_a_show.animating()) {
auto opacityAnimation = base::take(_a_opacity);
showChildren();
auto cache = grabForPanelAnimation();
_a_opacity = base::take(opacityAnimation);
_showAnimation = std::make_unique<PanelAnimation>(_st.animation, _origin);
_showAnimation->setFinalImage(std::move(cache), QRect(_inner.topLeft() * cIntRetinaFactor(), _inner.size() * cIntRetinaFactor()));
if (_useTransparency) {
auto corners = App::cornersMask(ImageRoundRadius::Small);
_showAnimation->setCornerMasks(corners[0], corners[1], corners[2], corners[3]);
} else {
_showAnimation->setSkipShadow(true);
}
_showAnimation->start();
}
hideChildren();
_a_show.start([this] { showAnimationCallback(); }, 0., 1., _st.showDuration);
}
void PopupMenu::opacityAnimationCallback() {
update();
if (!_a_opacity.animating()) {
if (_hiding) {
_hiding = false;
hideFinished();
} else {
showChildren();
}
}
}
void PopupMenu::showAnimationCallback() {
update();
}
QImage PopupMenu::grabForPanelAnimation() {
SendPendingMoveResizeEvents(this);
auto result = QImage(size() * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
result.setDevicePixelRatio(cRetinaFactor());
result.fill(Qt::transparent);
{
Painter p(&result);
if (_useTransparency) {
App::roundRect(p, _inner, _st.menu.itemBg, ImageRoundRadius::Small);
} else {
p.fillRect(_inner, _st.menu.itemBg);
}
for (auto child : children()) {
if (auto widget = qobject_cast<QWidget*>(child)) {
widget->render(&p, widget->pos(), widget->rect(), QWidget::DrawChildren | QWidget::IgnoreMask);
}
}
}
return result;
}
void PopupMenu::deleteOnHide(bool del) {
_deleteOnHide = del;
}
void PopupMenu::popup(const QPoint &p) {
showMenu(p, nullptr, TriggeredSource::Mouse);
}
void PopupMenu::showMenu(const QPoint &p, PopupMenu *parent, TriggeredSource source) {
_parent = parent;
auto origin = PanelAnimation::Origin::TopLeft;
auto w = p - QPoint(0, _padding.top());
auto r = Sandbox::screenGeometry(p);
_useTransparency = Platform::TranslucentWindowsSupported(p);
setAttribute(Qt::WA_OpaquePaintEvent, !_useTransparency);
handleCompositingUpdate();
if (rtl()) {
if (w.x() - width() < r.x() - _padding.left()) {
if (_parent && w.x() + _parent->width() - _padding.left() - _padding.right() + width() - _padding.right() <= r.x() + r.width()) {
w.setX(w.x() + _parent->width() - _padding.left() - _padding.right());
} else {
w.setX(r.x() - _padding.left());
}
} else {
w.setX(w.x() - width());
}
} else {
if (w.x() + width() - _padding.right() > r.x() + r.width()) {
if (_parent && w.x() - _parent->width() + _padding.left() + _padding.right() - width() + _padding.right() >= r.x() - _padding.left()) {
w.setX(w.x() + _padding.left() + _padding.right() - _parent->width() - width() + _padding.left() + _padding.right());
} else {
w.setX(p.x() - width() + _padding.right());
}
origin = PanelAnimation::Origin::TopRight;
}
}
if (w.y() + height() - _padding.bottom() > r.y() + r.height()) {
if (_parent) {
w.setY(r.y() + r.height() - height() + _padding.bottom());
} else {
w.setY(p.y() - height() + _padding.bottom());
origin = (origin == PanelAnimation::Origin::TopRight) ? PanelAnimation::Origin::BottomRight : PanelAnimation::Origin::BottomLeft;
}
}
if (w.x() < r.x()) {
w.setX(r.x());
}
if (w.y() < r.y()) {
w.setY(r.y());
}
move(w);
setOrigin(origin);
_menu->setShowSource(source);
startShowAnimation();
psUpdateOverlayed(this);
show();
psShowOverAll(this);
windowHandle()->requestActivate();
activateWindow();
}
PopupMenu::~PopupMenu() {
for (auto submenu : base::take(_submenus)) {
delete submenu;
}
if (auto w = App::wnd()) {
w->reActivateWindow();
}
if (_destroyedCallback) {
_destroyedCallback();
}
}
} // namespace Ui