89 lines
1.8 KiB
C++
89 lines
1.8 KiB
C++
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#include "qt-display.hpp"
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#include "qt-wrappers.hpp"
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#include "display-helpers.hpp"
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#include <QWindow>
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#include <QScreen>
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#include <QResizeEvent>
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#include <QShowEvent>
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OBSQTDisplay::OBSQTDisplay(QWidget *parent, Qt::WindowFlags flags)
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: QWidget(parent, flags)
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{
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setAttribute(Qt::WA_PaintOnScreen);
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setAttribute(Qt::WA_StaticContents);
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setAttribute(Qt::WA_NoSystemBackground);
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setAttribute(Qt::WA_OpaquePaintEvent);
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setAttribute(Qt::WA_DontCreateNativeAncestors);
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setAttribute(Qt::WA_NativeWindow);
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auto windowVisible = [this] (bool visible)
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{
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if (!visible)
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return;
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if (!display) {
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CreateDisplay();
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} else {
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QSize size = GetPixelSize(this);
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obs_display_resize(display, size.width(), size.height());
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}
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};
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auto sizeChanged = [this] (QScreen*)
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{
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CreateDisplay();
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QSize size = GetPixelSize(this);
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obs_display_resize(display, size.width(), size.height());
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};
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connect(windowHandle(), &QWindow::visibleChanged, windowVisible);
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connect(windowHandle(), &QWindow::screenChanged, sizeChanged);
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}
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void OBSQTDisplay::CreateDisplay()
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{
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if (display || !windowHandle()->isExposed())
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return;
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QSize size = GetPixelSize(this);
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gs_init_data info = {};
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info.cx = size.width();
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info.cy = size.height();
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info.format = GS_RGBA;
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info.zsformat = GS_ZS_NONE;
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QTToGSWindow(winId(), info.window);
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display = obs_display_create(&info);
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emit DisplayCreated(this);
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}
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void OBSQTDisplay::resizeEvent(QResizeEvent *event)
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{
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QWidget::resizeEvent(event);
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CreateDisplay();
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if (isVisible() && display) {
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QSize size = GetPixelSize(this);
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obs_display_resize(display, size.width(), size.height());
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}
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emit DisplayResized();
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}
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void OBSQTDisplay::paintEvent(QPaintEvent *event)
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{
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CreateDisplay();
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QWidget::paintEvent(event);
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}
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QPaintEngine *OBSQTDisplay::paintEngine() const
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{
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return nullptr;
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}
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