tdesktop/Telegram/SourceFiles/window/main_window.cpp

859 lines
24 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 "window/main_window.h"
#include "storage/localstorage.h"
#include "platform/platform_specific.h"
#include "platform/platform_window_title.h"
#include "base/platform/base_platform_info.h"
#include "ui/platform/ui_platform_utility.h"
#include "history/history.h"
#include "window/window_session_controller.h"
#include "window/window_lock_widgets.h"
#include "window/window_outdated_bar.h"
#include "window/window_controller.h"
#include "main/main_account.h" // Account::sessionValue.
#include "core/application.h"
#include "core/sandbox.h"
#include "lang/lang_keys.h"
#include "data/data_session.h"
#include "main/main_session.h"
#include "main/main_session_settings.h"
#include "base/crc32hash.h"
#include "base/call_delayed.h"
#include "ui/toast/toast.h"
#include "ui/widgets/shadow.h"
#include "ui/ui_utility.h"
#include "apiwrap.h"
#include "mainwindow.h"
#include "mainwidget.h" // session->content()->windowShown().
#include "facades.h"
#include "app.h"
#include "styles/style_widgets.h"
#include "styles/style_window.h"
#include <QtWidgets/QDesktopWidget>
#include <QtCore/QMimeData>
#include <QtGui/QGuiApplication>
#include <QtGui/QWindow>
#include <QtGui/QScreen>
#include <QtGui/QDrag>
namespace Window {
namespace {
constexpr auto kSaveWindowPositionTimeout = crl::time(1000);
} // namespace
QImage LoadLogo() {
return QImage(qsl(":/gui/art/logo_256.png"));
}
QImage LoadLogoNoMargin() {
return QImage(qsl(":/gui/art/logo_256_no_margin.png"));
}
void ConvertIconToBlack(QImage &image) {
if (image.format() != QImage::Format_ARGB32_Premultiplied) {
image = std::move(image).convertToFormat(
QImage::Format_ARGB32_Premultiplied);
}
//const auto gray = red * 0.299 + green * 0.587 + blue * 0.114;
//const auto result = (gray - 100 < 0) ? 0 : (gray - 100) * 255 / 155;
constexpr auto scale = 255 / 155.;
constexpr auto red = 0.299;
constexpr auto green = 0.587;
constexpr auto blue = 0.114;
static constexpr auto shift = (1 << 24);
auto shifter = [](double value) {
return uint32(value * shift);
};
constexpr auto iscale = shifter(scale);
constexpr auto ired = shifter(red);
constexpr auto igreen = shifter(green);
constexpr auto iblue = shifter(blue);
constexpr auto threshold = 100;
const auto width = image.width();
const auto height = image.height();
const auto data = reinterpret_cast<uint32*>(image.bits());
const auto intsPerLine = image.bytesPerLine() / 4;
const auto intsPerLineAdded = intsPerLine - width;
auto pixel = data;
for (auto j = 0; j != height; ++j) {
for (auto i = 0; i != width; ++i) {
const auto value = *pixel;
const auto gray = (((value >> 16) & 0xFF) * ired
+ ((value >> 8) & 0xFF) * igreen
+ (value & 0xFF) * iblue) >> 24;
const auto small = gray - threshold;
const auto test = ~small;
const auto result = (test >> 31) * small * iscale;
const auto component = (result >> 24) & 0xFF;
*pixel++ = (value & 0xFF000000U)
| (component << 16)
| (component << 8)
| component;
}
pixel += intsPerLineAdded;
}
}
QIcon CreateOfficialIcon(Main::Session *session) {
auto image = Core::IsAppLaunched() ? Core::App().logo() : LoadLogo();
if (session && session->supportMode()) {
ConvertIconToBlack(image);
}
return QIcon(Ui::PixmapFromImage(std::move(image)));
}
QIcon CreateIcon(Main::Session *session) {
auto result = CreateOfficialIcon(session);
#if defined Q_OS_UNIX && !defined Q_OS_MAC
const auto iconFromTheme = QIcon::fromTheme(
Platform::GetIconName(),
result);
result = QIcon();
static const auto iconSizes = {
16,
22,
32,
48,
64,
128,
256,
};
// Qt's standard QIconLoaderEngine sets availableSizes
// to XDG directories sizes, since svg icons are scalable,
// they could be only in one XDG folder (like 48x48)
// and Qt will set only a 48px icon to the window
// even though the icon could be scaled to other sizes.
// Thus, scale it manually to the most widespread sizes.
for (const auto iconSize : iconSizes) {
// We can't use QIcon::actualSize here
// since it works incorrectly with svg icon themes
const auto iconPixmap = iconFromTheme.pixmap(iconSize);
const auto iconPixmapSize = iconPixmap.size()
/ iconPixmap.devicePixelRatio();
// Not a svg icon, don't scale it
if (iconPixmapSize.width() != iconSize) {
return iconFromTheme;
}
result.addPixmap(iconPixmap);
}
#endif
return result;
}
MainWindow::MainWindow(not_null<Controller*> controller)
: _controller(controller)
, _positionUpdatedTimer([=] { savePosition(); })
, _outdated(CreateOutdatedBar(this))
, _body(this)
, _titleText(qsl("Telegram")) {
style::PaletteChanged(
) | rpl::start_with_next([=] {
updatePalette();
}, lifetime());
Core::App().unreadBadgeChanges(
) | rpl::start_with_next([=] {
updateUnreadCounter();
}, lifetime());
Core::App().settings().workModeChanges(
) | rpl::start_with_next([=](Core::Settings::WorkMode mode) {
workmodeUpdated(mode);
}, lifetime());
Ui::Toast::SetDefaultParent(_body.data());
if (_outdated) {
_outdated->heightValue(
) | rpl::filter([=] {
return window()->windowHandle() != nullptr;
}) | rpl::start_with_next([=](int height) {
if (!height) {
crl::on_main(this, [=] { _outdated.destroy(); });
}
updateControlsGeometry();
}, _outdated->lifetime());
}
}
Main::Account &MainWindow::account() const {
return _controller->account();
}
Window::SessionController *MainWindow::sessionController() const {
return _controller->sessionController();
}
bool MainWindow::hideNoQuit() {
if (App::quitting()) {
return false;
}
const auto workMode = Core::App().settings().workMode();
if (workMode == Core::Settings::WorkMode::TrayOnly
|| workMode == Core::Settings::WorkMode::WindowAndTray) {
if (minimizeToTray()) {
if (const auto controller = sessionController()) {
Ui::showChatsList(&controller->session());
}
return true;
}
} else if (Platform::IsMac()) {
closeWithoutDestroy();
controller().updateIsActiveBlur();
updateGlobalMenu();
if (const auto controller = sessionController()) {
Ui::showChatsList(&controller->session());
}
return true;
}
return false;
}
void MainWindow::clearWidgets() {
clearWidgetsHook();
updateGlobalMenu();
}
void MainWindow::updateIsActive() {
const auto isActive = computeIsActive();
if (_isActive != isActive) {
_isActive = isActive;
activeChangedHook();
}
}
bool MainWindow::computeIsActive() const {
return isActiveWindow() && isVisible() && !(windowState() & Qt::WindowMinimized);
}
void MainWindow::updateWindowIcon() {
const auto session = sessionController()
? &sessionController()->session()
: nullptr;
const auto supportIcon = session && session->supportMode();
if (supportIcon != _usingSupportIcon || _icon.isNull()) {
_icon = CreateIcon(session);
_usingSupportIcon = supportIcon;
}
setWindowIcon(_icon);
}
QRect MainWindow::desktopRect() const {
const auto now = crl::now();
if (!_monitorLastGot || now >= _monitorLastGot + crl::time(1000)) {
_monitorLastGot = now;
_monitorRect = computeDesktopRect();
}
return _monitorRect;
}
void MainWindow::init() {
Expects(!windowHandle());
createWinId();
initHook();
updateWindowIcon();
// Non-queued activeChanged handlers must use QtSignalProducer.
connect(
windowHandle(),
&QWindow::activeChanged,
this,
[=] { handleActiveChanged(); },
Qt::QueuedConnection);
connect(
windowHandle(),
&QWindow::windowStateChanged,
this,
[=](Qt::WindowState state) { handleStateChanged(state); });
connect(
windowHandle(),
&QWindow::visibleChanged,
this,
[=](bool visible) { handleVisibleChanged(visible); });
updatePalette();
if (Platform::AllowNativeWindowFrameToggle()) {
Core::App().settings().nativeWindowFrameChanges(
) | rpl::start_with_next([=](bool native) {
refreshTitleWidget();
recountGeometryConstraints();
}, lifetime());
}
refreshTitleWidget();
initSize();
updateUnreadCounter();
}
void MainWindow::handleStateChanged(Qt::WindowState state) {
stateChangedHook(state);
updateShadowSize();
updateControlsGeometry();
if (state == Qt::WindowMinimized) {
controller().updateIsActiveBlur();
} else {
controller().updateIsActiveFocus();
}
Core::App().updateNonIdle();
using WorkMode = Core::Settings::WorkMode;
if (state == Qt::WindowMinimized
&& (Core::App().settings().workMode() == WorkMode::TrayOnly)) {
minimizeToTray();
}
savePosition(state);
}
void MainWindow::handleActiveChanged() {
if (isActiveWindow()) {
Core::App().checkMediaViewActivation();
}
base::call_delayed(1, this, [this] {
handleActiveChangedHook();
});
}
void MainWindow::handleVisibleChanged(bool visible) {
if (visible) {
if (_maximizedBeforeHide) {
DEBUG_LOG(("Window Pos: Window was maximized before hidding, setting maximized."));
setWindowState(Qt::WindowMaximized);
}
} else {
_maximizedBeforeHide = Core::App().settings().windowPosition().maximized;
}
handleVisibleChangedHook(visible);
}
void MainWindow::showFromTray() {
base::call_delayed(1, this, [this] {
updateGlobalMenu();
});
activate();
updateUnreadCounter();
}
void MainWindow::quitFromTray() {
App::quit();
}
void MainWindow::activate() {
bool wasHidden = !isVisible();
setWindowState(windowState() & ~Qt::WindowMinimized);
setVisible(true);
psActivateProcess();
raise();
activateWindow();
controller().updateIsActiveFocus();
if (wasHidden) {
if (const auto session = sessionController()) {
session->content()->windowShown();
}
}
}
void MainWindow::updatePalette() {
Ui::ForceFullRepaint(this);
auto p = palette();
p.setColor(QPalette::Window, st::windowBg->c);
setPalette(p);
}
HitTestResult MainWindow::hitTest(const QPoint &p) const {
auto titleResult = _title ? _title->hitTest(p - _title->geometry().topLeft()) : Window::HitTestResult::None;
if (titleResult != Window::HitTestResult::None) {
return titleResult;
} else if (rect().contains(p)) {
return Window::HitTestResult::Client;
}
return Window::HitTestResult::None;
}
bool MainWindow::hasShadow() const {
const auto center = geometry().center();
return Ui::Platform::WindowExtentsSupported()
&& Ui::Platform::TranslucentWindowsSupported(center)
&& _title;
}
QRect MainWindow::inner() const {
return rect().marginsRemoved(_padding);
}
int MainWindow::computeMinWidth() const {
auto result = st::windowMinWidth;
if (const auto session = _controller->sessionController()) {
if (const auto add = session->filtersWidth()) {
result += add;
}
}
if (_rightColumn) {
result += _rightColumn->width();
}
return result + _padding.left() + _padding.right();
}
int MainWindow::computeMinHeight() const {
const auto title = _title ? _title->height() : 0;
const auto outdated = [&] {
if (!_outdated) {
return 0;
}
_outdated->resizeToWidth(st::windowMinWidth - _padding.left() - _padding.right());
return _outdated->height();
}();
return title + outdated + st::windowMinHeight + _padding.top() + _padding.bottom();
}
void MainWindow::refreshTitleWidget() {
if (Platform::AllowNativeWindowFrameToggle()
&& Core::App().settings().nativeWindowFrame()) {
_title.destroy();
if (Platform::NativeTitleRequiresShadow()) {
_titleShadow.create(this);
_titleShadow->show();
}
} else if ((_title = Platform::CreateTitleWidget(this))) {
_title->show();
_title->init();
_titleShadow.destroy();
}
const auto withShadow = hasShadow();
windowHandle()->setFlag(Qt::NoDropShadowWindowHint, withShadow);
setAttribute(Qt::WA_OpaquePaintEvent, !withShadow);
}
void MainWindow::updateMinimumSize() {
setMinimumWidth(computeMinWidth());
setMinimumHeight(computeMinHeight());
}
void MainWindow::updateShadowSize() {
_padding = hasShadow() && !isMaximized()
? st::callShadow.extend
: style::margins();
}
void MainWindow::recountGeometryConstraints() {
updateShadowSize();
updateMinimumSize();
updateControlsGeometry();
fixOrder();
}
void MainWindow::initSize() {
updateShadowSize();
updateMinimumSize();
if (initSizeFromSystem()) {
return;
}
auto position = Core::App().settings().windowPosition();
DEBUG_LOG(("Window Pos: Initializing first %1, %2, %3, %4 "
"(scale %5%, maximized %6)")
.arg(position.x)
.arg(position.y)
.arg(position.w)
.arg(position.h)
.arg(position.scale)
.arg(Logs::b(position.maximized)));
if (position.scale != 0) {
const auto scaleFactor = cScale() / float64(position.scale);
position.x *= scaleFactor;
position.y *= scaleFactor;
position.w *= scaleFactor;
position.h *= scaleFactor;
}
const auto primaryScreen = QGuiApplication::primaryScreen();
const auto available = primaryScreen
? primaryScreen->availableGeometry()
: QRect(0, 0, st::windowDefaultWidth, st::windowDefaultHeight);
const auto initialWidth = Core::Settings::ThirdColumnByDefault()
? st::windowBigDefaultWidth
: st::windowDefaultWidth;
const auto initialHeight = Core::Settings::ThirdColumnByDefault()
? st::windowBigDefaultHeight
: st::windowDefaultHeight;
auto geometry = QRect(
available.x() + std::max(
(available.width() - initialWidth) / 2,
0),
available.y() + std::max(
(available.height() - initialHeight) / 2,
0),
initialWidth,
initialHeight);
if (position.w && position.h) {
for (auto screen : QGuiApplication::screens()) {
if (position.moncrc == screenNameChecksum(screen->name())) {
auto screenGeometry = screen->geometry();
auto availableGeometry = screen->availableGeometry();
DEBUG_LOG(("Window Pos: Screen found, screen geometry: %1, %2, %3, %4").arg(screenGeometry.x()).arg(screenGeometry.y()).arg(screenGeometry.width()).arg(screenGeometry.height()));
const auto x = availableGeometry.x() - screenGeometry.x();
const auto y = availableGeometry.y() - screenGeometry.y();
const auto w = availableGeometry.width();
const auto h = availableGeometry.height();
if (w >= st::windowMinWidth && h >= st::windowMinHeight) {
if (position.x < x) position.x = x;
if (position.y < y) position.y = y;
if (position.w > w) position.w = w;
if (position.h > h) position.h = h;
const auto rightPoint = position.x + position.w;
const auto screenRightPoint = x + w;
if (rightPoint > screenRightPoint) {
const auto distance = rightPoint - screenRightPoint;
const auto newXPos = position.x - distance;
if (newXPos >= x) {
position.x = newXPos;
} else {
position.x = x;
const auto newRightPoint = position.x + position.w;
const auto newDistance = newRightPoint - screenRightPoint;
position.w -= newDistance;
}
}
const auto bottomPoint = position.y + position.h;
const auto screenBottomPoint = y + h;
if (bottomPoint > screenBottomPoint) {
const auto distance = bottomPoint - screenBottomPoint;
const auto newYPos = position.y - distance;
if (newYPos >= y) {
position.y = newYPos;
} else {
position.y = y;
const auto newBottomPoint = position.y + position.h;
const auto newDistance = newBottomPoint - screenBottomPoint;
position.h -= newDistance;
}
}
position.x += screenGeometry.x();
position.y += screenGeometry.y();
if (position.x + st::windowMinWidth <= screenGeometry.x() + screenGeometry.width() &&
position.y + st::windowMinHeight <= screenGeometry.y() + screenGeometry.height()) {
DEBUG_LOG(("Window Pos: Resulting geometry is %1, %2, %3, %4").arg(position.x).arg(position.y).arg(position.w).arg(position.h));
geometry = QRect(position.x, position.y, position.w, position.h);
}
}
break;
}
}
}
geometry += _padding;
DEBUG_LOG(("Window Pos: Setting first %1, %2, %3, %4").arg(geometry.x()).arg(geometry.y()).arg(geometry.width()).arg(geometry.height()));
setGeometry(geometry);
}
void MainWindow::positionUpdated() {
_positionUpdatedTimer.callOnce(kSaveWindowPositionTimeout);
}
bool MainWindow::titleVisible() const {
return _title && !_title->isHidden();
}
void MainWindow::setTitleVisible(bool visible) {
if (_title && (_title->isHidden() == visible)) {
_title->setVisible(visible);
updateControlsGeometry();
}
titleVisibilityChangedHook();
}
int32 MainWindow::screenNameChecksum(const QString &name) const {
const auto bytes = name.toUtf8();
return base::crc32(bytes.constData(), bytes.size());
}
void MainWindow::setPositionInited() {
_positionInited = true;
}
void MainWindow::attachToTrayIcon(not_null<QSystemTrayIcon*> icon) {
icon->setToolTip(AppName.utf16());
connect(icon, &QSystemTrayIcon::activated, this, [=](
QSystemTrayIcon::ActivationReason reason) {
Core::Sandbox::Instance().customEnterFromEventLoop([&] {
handleTrayIconActication(reason);
});
});
}
void MainWindow::paintEvent(QPaintEvent *e) {
if (hasShadow() && !isMaximized()) {
QPainter p(this);
Ui::Shadow::paint(p, inner(), width(), st::callShadow);
}
}
void MainWindow::resizeEvent(QResizeEvent *e) {
updateShadowSize();
updateControlsGeometry();
}
rpl::producer<> MainWindow::leaveEvents() const {
return _leaveEvents.events();
}
void MainWindow::leaveEventHook(QEvent *e) {
_leaveEvents.fire({});
}
void MainWindow::updateControlsGeometry() {
const auto inner = this->inner();
auto bodyLeft = inner.x();
auto bodyTop = inner.y();
auto bodyWidth = inner.width();
if (_title && !_title->isHidden()) {
_title->setGeometry(inner.x(), bodyTop, inner.width(), _title->height());
bodyTop += _title->height();
}
if (_titleShadow) {
_titleShadow->setGeometry(inner.x(), bodyTop, inner.width(), st::lineWidth);
}
if (_outdated) {
Ui::SendPendingMoveResizeEvents(_outdated.data());
_outdated->resizeToWidth(inner.width());
_outdated->moveToLeft(inner.x(), bodyTop);
bodyTop += _outdated->height();
}
if (_rightColumn) {
bodyWidth -= _rightColumn->width();
_rightColumn->setGeometry(bodyWidth, bodyTop, inner.width() - bodyWidth, inner.height() - (bodyTop - inner.y()));
}
_body->setGeometry(bodyLeft, bodyTop, bodyWidth, inner.height() - (bodyTop - inner.y()));
}
void MainWindow::updateUnreadCounter() {
if (App::quitting()) {
return;
}
const auto counter = Core::App().unreadBadge();
_titleText = (counter > 0) ? qsl("Telegram (%1)").arg(counter) : qsl("Telegram");
unreadCounterChangedHook();
}
QRect MainWindow::computeDesktopRect() const {
return QApplication::desktop()->availableGeometry(this);
}
void MainWindow::savePosition(Qt::WindowState state) {
if (state == Qt::WindowActive) {
state = windowHandle()->windowState();
}
if (state == Qt::WindowMinimized
|| !isVisible()
|| !positionInited()) {
return;
}
const auto &savedPosition = Core::App().settings().windowPosition();
auto realPosition = savedPosition;
if (state == Qt::WindowMaximized) {
realPosition.maximized = 1;
DEBUG_LOG(("Window Pos: Saving maximized position."));
} else {
auto r = geometry().marginsRemoved(_padding);
realPosition.x = r.x();
realPosition.y = r.y();
realPosition.w = r.width() - (_rightColumn ? _rightColumn->width() : 0);
realPosition.h = r.height();
realPosition.scale = cScale();
realPosition.maximized = 0;
realPosition.moncrc = 0;
DEBUG_LOG(("Window Pos: Saving non-maximized position: %1, %2, %3, %4").arg(realPosition.x).arg(realPosition.y).arg(realPosition.w).arg(realPosition.h));
auto centerX = realPosition.x + realPosition.w / 2;
auto centerY = realPosition.y + realPosition.h / 2;
int minDelta = 0;
QScreen *chosen = nullptr;
const auto screens = QGuiApplication::screens();
for (auto screen : screens) {
auto delta = (screen->geometry().center() - QPoint(centerX, centerY)).manhattanLength();
if (!chosen || delta < minDelta) {
minDelta = delta;
chosen = screen;
}
}
if (chosen) {
auto screenGeometry = chosen->geometry();
DEBUG_LOG(("Window Pos: Screen found, geometry: %1, %2, %3, %4"
).arg(screenGeometry.x()
).arg(screenGeometry.y()
).arg(screenGeometry.width()
).arg(screenGeometry.height()));
realPosition.x -= screenGeometry.x();
realPosition.y -= screenGeometry.y();
realPosition.moncrc = screenNameChecksum(chosen->name());
}
}
if (realPosition.w >= st::windowMinWidth && realPosition.h >= st::windowMinHeight) {
if (realPosition.x != savedPosition.x
|| realPosition.y != savedPosition.y
|| realPosition.w != savedPosition.w
|| realPosition.h != savedPosition.h
|| realPosition.scale != savedPosition.scale
|| realPosition.moncrc != savedPosition.moncrc
|| realPosition.maximized != savedPosition.maximized) {
DEBUG_LOG(("Window Pos: Writing: %1, %2, %3, %4 (scale %5%, maximized %6)")
.arg(realPosition.x)
.arg(realPosition.y)
.arg(realPosition.w)
.arg(realPosition.h)
.arg(realPosition.scale)
.arg(Logs::b(realPosition.maximized)));
Core::App().settings().setWindowPosition(realPosition);
Core::App().saveSettingsDelayed();
}
}
}
bool MainWindow::minimizeToTray() {
if (App::quitting() || !hasTrayIcon()) return false;
closeWithoutDestroy();
controller().updateIsActiveBlur();
updateGlobalMenu();
showTrayTooltip();
return true;
}
void MainWindow::reActivateWindow() {
#if defined Q_OS_UNIX && !defined Q_OS_MAC
const auto weak = Ui::MakeWeak(this);
const auto reActivate = [=] {
if (const auto w = weak.data()) {
if (auto f = QApplication::focusWidget()) {
f->clearFocus();
}
w->activate();
if (auto f = QApplication::focusWidget()) {
f->clearFocus();
}
w->setInnerFocus();
}
};
crl::on_main(this, reActivate);
base::call_delayed(200, this, reActivate);
#endif // Q_OS_UNIX && !Q_OS_MAC
}
void MainWindow::showRightColumn(object_ptr<TWidget> widget) {
const auto wasWidth = width();
const auto wasRightWidth = _rightColumn ? _rightColumn->width() : 0;
_rightColumn = std::move(widget);
if (_rightColumn) {
_rightColumn->setParent(this);
_rightColumn->show();
_rightColumn->setFocus();
} else {
setInnerFocus();
}
const auto nowRightWidth = _rightColumn ? _rightColumn->width() : 0;
const auto wasMinimumWidth = minimumWidth();
const auto nowMinimumWidth = computeMinWidth();
const auto firstResize = (nowMinimumWidth < wasMinimumWidth);
if (firstResize) {
setMinimumWidth(nowMinimumWidth);
}
if (!isMaximized()) {
tryToExtendWidthBy(wasWidth + nowRightWidth - wasRightWidth - width());
} else {
updateControlsGeometry();
}
if (!firstResize) {
setMinimumWidth(nowMinimumWidth);
}
}
int MainWindow::maximalExtendBy() const {
auto desktop = QDesktopWidget().availableGeometry(this);
return std::max(desktop.width() - inner().width(), 0);
}
bool MainWindow::canExtendNoMove(int extendBy) const {
auto desktop = QDesktopWidget().availableGeometry(this);
auto inner = geometry().marginsRemoved(_padding);
auto innerRight = (inner.x() + inner.width() + extendBy);
auto desktopRight = (desktop.x() + desktop.width());
return innerRight <= desktopRight;
}
int MainWindow::tryToExtendWidthBy(int addToWidth) {
auto desktop = QDesktopWidget().availableGeometry(this);
auto inner = geometry();
accumulate_min(
addToWidth,
std::max(desktop.width() - inner.width(), 0));
auto newWidth = inner.width() + addToWidth;
auto newLeft = std::min(
inner.x(),
desktop.x() + desktop.width() - newWidth);
if (inner.x() != newLeft || inner.width() != newWidth) {
setGeometry(newLeft, inner.y(), newWidth, inner.height());
} else {
updateControlsGeometry();
}
return addToWidth;
}
void MainWindow::launchDrag(
std::unique_ptr<QMimeData> data,
Fn<void()> &&callback) {
auto drag = std::make_unique<QDrag>(this);
drag->setMimeData(data.release());
drag->exec(Qt::CopyAction);
// We don't receive mouseReleaseEvent when drag is finished.
ClickHandler::unpressed();
callback();
}
MainWindow::~MainWindow() {
_title.destroy();
// Otherwise:
// ~QWidget
// QWidgetPrivate::close_helper
// QWidgetPrivate::setVisible
// QWidgetPrivate::hide_helper
// QWidgetPrivate::hide_sys
// QWindowPrivate::setVisible
// QMetaObject::activate
// Window::MainWindow::handleVisibleChanged on a destroyed MainWindow.
hide();
}
} // namespace Window