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13th December 2021, 01:00 | #1 | Link |
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Join Date: Jun 2005
Location: Last House on Slunk Street
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How to enable "glass" effect in Windows 11 (DWM) ?!
Does anybody know how to get a proper "glass" effect on Windows 11?
Every since Windows 7, I have been using this code to enable the "glass" effect on a window: Code:
bool MUtils::GUI::sheet_of_glass(QWidget *const window) { /* Code to load "dwmapi.dll" and look up the required functions is excluded*/ //Enable the "sheet of glass" effect on this window MARGINS margins = {-1, -1, -1, -1}; if(HRESULT hr = dwmExtendFrameIntoClientAreaFun(reinterpret_cast<HWND>(window->winId()), &margins)) { qWarning("DwmExtendFrameIntoClientArea function has failed! (error %d)", hr); return false; } //Create and populate the Blur Behind structure DWM_BLURBEHIND bb; memset(&bb, 0, sizeof(DWM_BLURBEHIND)); bb.fEnable = TRUE; bb.dwFlags = DWM_BB_ENABLE; if(HRESULT hr = dwmEnableBlurBehindWindowFun(reinterpret_cast<HWND>(window->winId()), &bb)) { qWarning("DwmEnableBlurBehindWindow function has failed! (error %d)", hr); return false; } //Required for Qt window->setAutoFillBackground(false); window->setAttribute(Qt::WA_TranslucentBackground); window->setAttribute(Qt::WA_NoSystemBackground); return true; } Windows 8.1 and Windows 10 still looks sort of "okay": But on Windows 11 it looks like... that: So, background is just not rendered at all on Windows 11, making the window totally transparent and looking kind of "broken". Any idea why that is? What I'd actually like to have is a semi-transparent "smoked glass" effect, as in the Windows 11 startmenu and settings menus: https://i.imgur.com/J1YaQlH.png
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23rd January 2022, 23:02 | #3 | Link |
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Join Date: Jun 2005
Location: Last House on Slunk Street
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Please note that this question is not about "third-party software" to modify the look of Windows 11 itself or that of someone else's software.
It is about getting Windows 11 to correctly render my software with the "smoked glass" effect, just as a vanilla Windows 11 already does in the Start menu or in the "Settings" app. For now, I have disabled DwmEnableBlurBehindWindow() on Windows 11, which is better than a fully transparent background...
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