OBSQTDisplay::OBSQTDisplay(QWidget *parent, Qt::WindowFlags flags)
: QWidget(parent, flags)
{
setAttribute(Qt::WA_PaintOnScreen);
setAttribute(Qt::WA_StaticContents);
setAttribute(Qt::WA_NoSystemBackground);
setAttribute(Qt::WA_OpaquePaintEvent);
setAttribute(Qt::WA_DontCreateNativeAncestors);
setAttribute(Qt::WA_NativeWindow);
auto windowVisible = [this] (bool visible)
{
if (!visible)
return;
if (!display) {
CreateDisplay();
} else {
QSize size = GetPixelSize(this);
obs_display_resize(display, size.width(), size.height());
}
};
auto sizeChanged = [this] (QScreen*)
{
CreateDisplay();
QSize size = GetPixelSize(this);
obs_display_resize(display, size.width(), size.height());
};
connect(windowHandle(), &QWindow::visibleChanged, windowVisible);
connect(windowHandle(), &QWindow::screenChanged, sizeChanged);
}
void OBSQTDisplay::resizeEvent(QResizeEvent *event)
{
QWidget::resizeEvent(event);
CreateDisplay();
if (isVisible() && display) {
QSize size = GetPixelSize(this);
obs_display_resize(display, size.width(), size.height());
}
emit DisplayResized();
}
void obs_resize(uint32_t cx, uint32_t cy)
{
if (!obs || !obs->video.video || !obs->video.graphics) return;
obs_display_resize(&obs->video.main_display, cx, cy);
}