250 lines
7.0 KiB
C++
250 lines
7.0 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 "platform/win/windows_event_filter.h"
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#include "platform/win/windows_dlls.h"
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#include "mainwindow.h"
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#include "main/main_session.h"
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#include <QtGui/QWindow>
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namespace Platform {
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namespace {
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EventFilter *instance = nullptr;
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int menuShown = 0, menuHidden = 0;
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bool IsCompositionEnabled() {
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if (!Dlls::DwmIsCompositionEnabled) {
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return false;
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}
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auto result = BOOL(FALSE);
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const auto success = (Dlls::DwmIsCompositionEnabled(&result) == S_OK);
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return success && result;
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}
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} // namespace
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EventFilter *EventFilter::CreateInstance(not_null<MainWindow*> window) {
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Expects(instance == nullptr);
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return (instance = new EventFilter(window));
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}
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EventFilter *EventFilter::GetInstance() {
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return instance;
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}
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void EventFilter::Destroy() {
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Expects(instance != nullptr);
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delete instance;
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instance = nullptr;
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}
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EventFilter::EventFilter(not_null<MainWindow*> window) : _window(window) {
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}
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bool EventFilter::nativeEventFilter(
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const QByteArray &eventType,
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void *message,
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long *result) {
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const auto msg = static_cast<MSG*>(message);
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if (msg->message == WM_ENDSESSION) {
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App::quit();
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return false;
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}
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if (msg->hwnd == _window->psHwnd()
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|| msg->hwnd && !_window->psHwnd()) {
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return mainWindowEvent(
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msg->hwnd,
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msg->message,
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msg->wParam,
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msg->lParam,
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(LRESULT*)result);
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}
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return false;
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}
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bool EventFilter::mainWindowEvent(
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HWND hWnd,
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UINT msg,
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WPARAM wParam,
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LPARAM lParam,
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LRESULT *result) {
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using ShadowsChange = MainWindow::ShadowsChange;
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if (const auto tbCreatedMsgId = Platform::MainWindow::TaskbarCreatedMsgId()) {
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if (msg == tbCreatedMsgId) {
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Platform::MainWindow::TaskbarCreated();
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}
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}
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switch (msg) {
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case WM_TIMECHANGE: {
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if (Main::Session::Exists()) {
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Auth().checkAutoLockIn(100);
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}
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} return false;
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case WM_WTSSESSION_CHANGE: {
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if (wParam == WTS_SESSION_LOGOFF || wParam == WTS_SESSION_LOCK) {
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setSessionLoggedOff(true);
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} else if (wParam == WTS_SESSION_LOGON || wParam == WTS_SESSION_UNLOCK) {
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setSessionLoggedOff(false);
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}
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} return false;
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case WM_DESTROY: {
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App::quit();
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} return false;
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case WM_ACTIVATE: {
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if (LOWORD(wParam) == WA_CLICKACTIVE) {
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_window->setInactivePress(true);
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}
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if (LOWORD(wParam) != WA_INACTIVE) {
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_window->shadowsActivate();
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} else {
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_window->shadowsDeactivate();
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}
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if (Global::started()) {
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_window->update();
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}
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} return false;
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case WM_NCPAINT: {
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if (QSysInfo::WindowsVersion >= QSysInfo::WV_WINDOWS8) return false;
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if (result) *result = 0;
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} return true;
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case WM_NCCALCSIZE: {
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WINDOWPLACEMENT wp;
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wp.length = sizeof(WINDOWPLACEMENT);
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if (GetWindowPlacement(hWnd, &wp) && wp.showCmd == SW_SHOWMAXIMIZED) {
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LPNCCALCSIZE_PARAMS params = (LPNCCALCSIZE_PARAMS)lParam;
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LPRECT r = (wParam == TRUE) ? ¶ms->rgrc[0] : (LPRECT)lParam;
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HMONITOR hMonitor = MonitorFromPoint({ (r->left + r->right) / 2, (r->top + r->bottom) / 2 }, MONITOR_DEFAULTTONEAREST);
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if (hMonitor) {
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MONITORINFO mi;
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mi.cbSize = sizeof(mi);
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if (GetMonitorInfo(hMonitor, &mi)) {
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*r = mi.rcWork;
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}
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}
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}
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if (result) *result = 0;
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return true;
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}
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case WM_NCACTIVATE: {
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if (IsCompositionEnabled()) {
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const auto res = DefWindowProc(hWnd, msg, wParam, -1);
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if (result) *result = res;
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} else {
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// Thanks https://github.com/melak47/BorderlessWindow
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if (result) *result = 1;
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}
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} return true;
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case WM_WINDOWPOSCHANGING:
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case WM_WINDOWPOSCHANGED: {
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WINDOWPLACEMENT wp;
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wp.length = sizeof(WINDOWPLACEMENT);
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if (GetWindowPlacement(hWnd, &wp) && (wp.showCmd == SW_SHOWMAXIMIZED || wp.showCmd == SW_SHOWMINIMIZED)) {
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_window->shadowsUpdate(ShadowsChange::Hidden);
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} else {
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_window->shadowsUpdate(ShadowsChange::Moved | ShadowsChange::Resized, (WINDOWPOS*)lParam);
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}
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} return false;
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case WM_SIZE: {
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if (wParam == SIZE_MAXIMIZED || wParam == SIZE_RESTORED || wParam == SIZE_MINIMIZED) {
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if (wParam != SIZE_RESTORED || _window->windowState() != Qt::WindowNoState) {
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Qt::WindowState state = Qt::WindowNoState;
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if (wParam == SIZE_MAXIMIZED) {
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state = Qt::WindowMaximized;
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} else if (wParam == SIZE_MINIMIZED) {
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state = Qt::WindowMinimized;
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}
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emit _window->windowHandle()->windowStateChanged(state);
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} else {
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_window->positionUpdated();
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}
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_window->psUpdateMargins();
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MainWindow::ShadowsChanges changes = (wParam == SIZE_MINIMIZED || wParam == SIZE_MAXIMIZED) ? ShadowsChange::Hidden : (ShadowsChange::Resized | ShadowsChange::Shown);
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_window->shadowsUpdate(changes);
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}
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} return false;
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case WM_SHOWWINDOW: {
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LONG style = GetWindowLong(hWnd, GWL_STYLE);
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auto changes = ShadowsChange::Resized | ((wParam && !(style & (WS_MAXIMIZE | WS_MINIMIZE))) ? ShadowsChange::Shown : ShadowsChange::Hidden);
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_window->shadowsUpdate(changes);
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} return false;
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case WM_MOVE: {
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_window->shadowsUpdate(ShadowsChange::Moved);
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_window->positionUpdated();
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} return false;
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case WM_NCHITTEST: {
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if (!result) return false;
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POINTS p = MAKEPOINTS(lParam);
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RECT r;
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GetWindowRect(hWnd, &r);
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auto res = _window->hitTest(QPoint(p.x - r.left + _window->deltaLeft(), p.y - r.top + _window->deltaTop()));
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switch (res) {
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case Window::HitTestResult::Client:
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case Window::HitTestResult::SysButton: *result = HTCLIENT; break;
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case Window::HitTestResult::Caption: *result = HTCAPTION; break;
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case Window::HitTestResult::Top: *result = HTTOP; break;
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case Window::HitTestResult::TopRight: *result = HTTOPRIGHT; break;
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case Window::HitTestResult::Right: *result = HTRIGHT; break;
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case Window::HitTestResult::BottomRight: *result = HTBOTTOMRIGHT; break;
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case Window::HitTestResult::Bottom: *result = HTBOTTOM; break;
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case Window::HitTestResult::BottomLeft: *result = HTBOTTOMLEFT; break;
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case Window::HitTestResult::Left: *result = HTLEFT; break;
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case Window::HitTestResult::TopLeft: *result = HTTOPLEFT; break;
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case Window::HitTestResult::None:
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default: *result = HTTRANSPARENT; break;
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};
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} return true;
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case WM_NCRBUTTONUP: {
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SendMessage(hWnd, WM_SYSCOMMAND, SC_MOUSEMENU, lParam);
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} return true;
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case WM_SYSCOMMAND: {
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if (wParam == SC_MOUSEMENU) {
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POINTS p = MAKEPOINTS(lParam);
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_window->updateSystemMenu(_window->windowHandle()->windowState());
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TrackPopupMenu(_window->psMenu(), TPM_LEFTALIGN | TPM_TOPALIGN | TPM_LEFTBUTTON, p.x, p.y, 0, hWnd, 0);
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}
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} return false;
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case WM_COMMAND: {
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if (HIWORD(wParam)) return false;
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int cmd = LOWORD(wParam);
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switch (cmd) {
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case SC_CLOSE: _window->close(); return true;
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case SC_MINIMIZE: _window->setWindowState(Qt::WindowMinimized); return true;
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case SC_MAXIMIZE: _window->setWindowState(Qt::WindowMaximized); return true;
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case SC_RESTORE: _window->setWindowState(Qt::WindowNoState); return true;
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}
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} return true;
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}
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return false;
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}
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} // namespace Platform
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