diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowswindow.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowswindow.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp index 4c503a2c48..c1a047e276 100644 --- a/src/plugins/platforms/windows/qwindowswindow.cpp +++ b/src/plugins/platforms/windows/qwindowswindow.cpp @@ -43,6 +43,7 @@ #include "qwindowsdrag.h" #include "qwindowsscreen.h" #include "qwindowsintegration.h" +#include "qwindowsnativeinterface.h" #include "qwindowsopenglcontext.h" #ifdef QT_NO_CURSOR # include "qwindowscursor.h" @@ -2083,8 +2084,30 @@ void QWindowsWindow::requestActivateWindow() // 'Active' state handling is based in focus since it needs to work for // child windows as well. if (m_data.hwnd) { +#ifndef Q_OS_WINCE + const DWORD currentThread = GetCurrentThreadId(); + bool attached = false; + DWORD foregroundThread = 0; + + // QTBUG-14062, QTBUG-37435: Windows normally only flashes the taskbar entry + // when activating windows of inactive applications. Attach to the input of the + // currently active window while setting the foreground window to always activate + // the window when desired. + if (QGuiApplication::applicationState() != Qt::ApplicationActive + && QWindowsNativeInterface::windowActivationBehavior() == QWindowsWindowFunctions::AlwaysActivateWindow) { + if (const HWND foregroundWindow = GetForegroundWindow()) { + foregroundThread = GetWindowThreadProcessId(foregroundWindow, NULL); + if (foregroundThread && foregroundThread != currentThread) + attached = AttachThreadInput(foregroundThread, currentThread, TRUE) == TRUE; + } + } +#endif // !Q_OS_WINCE SetForegroundWindow(m_data.hwnd); SetFocus(m_data.hwnd); +#ifndef Q_OS_WINCE + if (attached) + AttachThreadInput(foregroundThread, currentThread, FALSE); +#endif // !Q_OS_WINCE } } |