outfoxxed/layer-shell-qt-nokde
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Use the QScreen of the QWindow as default output

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If the Window::setDesiredOutput API was not called for the QWindow, use
QWindow::screen(). This allows assigning QWindows to specific screens using
the plain Qt API.

Passing nullptr to Window::setDesiredOutput explicitly results in nil as
desired output for the layer, which lets the compositor select a screen.
This commit is contained in:
Fabian Vogt 2023-02-21 16:03:51 +01:00
parent b9f8f6447d
commit 3c85e2e889
1 changed files with 8 additions and 2 deletions
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10
src/interfaces/window.cpp
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@ -8,6 +8,7 @@
#include <layershellqt_logging.h> #include <layershellqt_logging.h>
#include <QPointer> #include <QPointer>
#include <optional>
using namespace LayerShellQt; using namespace LayerShellQt;
@ -26,7 +27,7 @@ public:
Window::KeyboardInteractivity keyboardInteractivity = Window::KeyboardInteractivityExclusive; Window::KeyboardInteractivity keyboardInteractivity = Window::KeyboardInteractivityExclusive;
Window::Layer layer = Window::LayerTop; Window::Layer layer = Window::LayerTop;
QMargins margins; QMargins margins;
QPointer<QScreen> desiredOutput; std::optional<QPointer<QScreen>> desiredOutput;
}; };
static QMap<QWindow *, Window *> s_map; static QMap<QWindow *, Window *> s_map;
@ -103,7 +104,12 @@ Window::Layer Window::layer() const
QScreen *Window::desiredOutput() const QScreen *Window::desiredOutput() const
{ {
return d->desiredOutput; // Don't use .value_or here to avoid a temporary QPointer
if (d->desiredOutput.has_value()) {
return d->desiredOutput.value();
}
return d->parentWindow->screen();
} }
void Window::setDesiredOutput(QScreen *output) void Window::setDesiredOutput(QScreen *output)