void OSDPretty::paintEvent(QPaintEvent*) {
QPainter p(this);
p.setRenderHint(QPainter::Antialiasing);
p.setRenderHint(QPainter::HighQualityAntialiasing);
QRect box(BoxBorder());
// Shadow corners
const int kShadowCornerSize = kDropShadowSize + kBorderRadius;
p.drawPixmap(0, 0, shadow_corner_[0]);
p.drawPixmap(width() - kShadowCornerSize, 0, shadow_corner_[1]);
p.drawPixmap(width() - kShadowCornerSize, height() - kShadowCornerSize,
shadow_corner_[2]);
p.drawPixmap(0, height() - kShadowCornerSize, shadow_corner_[3]);
// Shadow edges
p.drawTiledPixmap(kShadowCornerSize, 0, width() - kShadowCornerSize * 2,
kDropShadowSize, shadow_edge_[0]);
p.drawTiledPixmap(width() - kDropShadowSize, kShadowCornerSize,
kDropShadowSize, height() - kShadowCornerSize * 2,
shadow_edge_[1]);
p.drawTiledPixmap(kShadowCornerSize, height() - kDropShadowSize,
width() - kShadowCornerSize * 2, kDropShadowSize,
shadow_edge_[2]);
p.drawTiledPixmap(0, kShadowCornerSize, kDropShadowSize,
height() - kShadowCornerSize * 2, shadow_edge_[3]);
// Box background
p.setBrush(background_color_);
p.setPen(QPen());
p.setOpacity(background_opacity_);
p.drawRoundedRect(box, kBorderRadius, kBorderRadius);
// Background pattern
QPainterPath background_path;
background_path.addRoundedRect(box, kBorderRadius, kBorderRadius);
p.setClipPath(background_path);
p.setOpacity(1.0);
p.drawPixmap(box.right() - background_.width(),
box.bottom() - background_.height(), background_);
p.setClipping(false);
// Gradient overlay
QLinearGradient gradient(0, 0, 0, height());
gradient.setColorAt(0, QColor(255, 255, 255, 130));
gradient.setColorAt(1, QColor(255, 255, 255, 50));
p.setBrush(gradient);
p.drawRoundedRect(box, kBorderRadius, kBorderRadius);
// Box border
p.setBrush(QBrush());
p.setPen(QPen(background_color_.darker(150), 2));
p.drawRoundedRect(box, kBorderRadius, kBorderRadius);
}
void OSDPretty::Reposition() {
QDesktopWidget* desktop = QApplication::desktop();
// Make the OSD the proper size
layout()->activate();
resize(sizeHint());
// Work out where to place the OSD. -1 for x or y means "on the right or
// bottom edge".
QRect geometry(desktop->availableGeometry(popup_display_));
int x = popup_pos_.x() < 0 ? geometry.right() - width()
: geometry.left() + popup_pos_.x();
int y = popup_pos_.y() < 0 ? geometry.bottom() - height()
: geometry.top() + popup_pos_.y();
#ifndef Q_OS_WIN32
// windows needs negative coordinates for monitors
// to the left or above the primary
x = qBound(0, x, geometry.right() - width());
y = qBound(0, y, geometry.bottom() - height());
#endif
move(x, y);
// Create a mask for the actual area of the OSD
QBitmap mask(size());
mask.clear();
QPainter p(&mask);
p.setBrush(Qt::color1);
p.drawRoundedRect(BoxBorder().adjusted(-1, -1, 0, 0), kBorderRadius,
kBorderRadius);
p.end();
// If there's no compositing window manager running then we have to set an
// XShape mask.
if (IsTransparencyAvailable())
clearMask();
else {
setMask(mask);
}
#ifdef Q_OS_WIN32
// On windows, enable blurbehind on the masked area
QtWin::enableBlurBehindWindow(this, true, QRegion(mask));
#endif
}
