123 lines
2.7 KiB
C++
123 lines
2.7 KiB
C++
#include "qt-display.hpp"
|
|
#include "qt-wrappers.hpp"
|
|
#include "display-helpers.hpp"
|
|
#include <QWindow>
|
|
#include <QScreen>
|
|
#include <QResizeEvent>
|
|
#include <QShowEvent>
|
|
|
|
static inline long long color_to_int(const QColor &color)
|
|
{
|
|
auto shift = [&](unsigned val, int shift) {
|
|
return ((val & 0xff) << shift);
|
|
};
|
|
|
|
return shift(color.red(), 0) | shift(color.green(), 8) |
|
|
shift(color.blue(), 16) | shift(color.alpha(), 24);
|
|
}
|
|
|
|
static inline QColor rgba_to_color(uint32_t rgba)
|
|
{
|
|
return QColor::fromRgb(rgba & 0xFF, (rgba >> 8) & 0xFF,
|
|
(rgba >> 16) & 0xFF, (rgba >> 24) & 0xFF);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
QColor OBSQTDisplay::GetDisplayBackgroundColor() const
|
|
{
|
|
return rgba_to_color(backgroundColor);
|
|
}
|
|
|
|
void OBSQTDisplay::SetDisplayBackgroundColor(const QColor &color)
|
|
{
|
|
uint32_t newBackgroundColor = (uint32_t)color_to_int(color);
|
|
|
|
if (newBackgroundColor != backgroundColor) {
|
|
backgroundColor = newBackgroundColor;
|
|
UpdateDisplayBackgroundColor();
|
|
}
|
|
}
|
|
|
|
void OBSQTDisplay::UpdateDisplayBackgroundColor()
|
|
{
|
|
obs_display_set_background_color(display, backgroundColor);
|
|
}
|
|
|
|
void OBSQTDisplay::CreateDisplay()
|
|
{
|
|
if (display || !windowHandle()->isExposed())
|
|
return;
|
|
|
|
QSize size = GetPixelSize(this);
|
|
|
|
gs_init_data info = {};
|
|
info.cx = size.width();
|
|
info.cy = size.height();
|
|
info.format = GS_BGRA;
|
|
info.zsformat = GS_ZS_NONE;
|
|
|
|
QTToGSWindow(winId(), info.window);
|
|
|
|
display = obs_display_create(&info, backgroundColor);
|
|
|
|
emit DisplayCreated(this);
|
|
}
|
|
|
|
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 OBSQTDisplay::paintEvent(QPaintEvent *event)
|
|
{
|
|
CreateDisplay();
|
|
|
|
QWidget::paintEvent(event);
|
|
}
|
|
|
|
QPaintEngine *OBSQTDisplay::paintEngine() const
|
|
{
|
|
return nullptr;
|
|
}
|