Window decorateWindow(Display *display, Drawable window, Window root, GC gc, int x, int y, int width, int height, Window *resizer) {
Window newParent;
XSetWindowAttributes attrib;
XWindowAttributes attr;
XWindowAttributes incomingAttribs;
char *title;
// This is entirely for window border compensation
// FIXME: This _works_, but looks like crap for anything with more than a 1px border, in the future this should do up to one pixel and start adjusting the container window for the remainder
XGetWindowAttributes(display, window, &incomingAttribs);
attr.width = width;
attr.height = height + TITLEBAR_THICKNESS;
// Flag as override_redirect, so that we don't decorate decorations
attrib.override_redirect = 1;
// Create New Parent
newParent = XCreateWindow(display, root, x, y, width + 3, height + 2 + TITLEBAR_THICKNESS, 0, CopyFromParent, InputOutput, CopyFromParent, CWOverrideRedirect, &attrib);
XReparentWindow(display, window, newParent, 1 - incomingAttribs.border_width, TITLEBAR_THICKNESS - incomingAttribs.border_width);
// Create Resize Button Window
*resizer = XCreateWindow(display, newParent, RECT_RESIZE_BTN, 0, CopyFromParent, CopyFromParent, CopyFromParent, 0, 0);
XMapRaised(display, *resizer);
// Set Cursor
Cursor cur = XCreateFontCursor(display, XC_left_ptr);
XDefineCursor(display, newParent, cur);
// Readjust attributes to now refer to the decoration window (these are the same magic numbers as above, fix this sometime)
attr.width += 3;
attr.height += 2;
// Draw Time
XMapWindow(display, newParent);
XFetchName(display, window, &title);
drawDecorations(display, newParent, gc, title, attr);
drawResizeButton(display, *resizer, gc, RECT_RESIZE_DRAW);
if (title) {
XFree(title);
}
return newParent;
}
void KisQPainterCanvas::paintEvent(QPaintEvent * ev)
{
KisImageWSP image = canvas()->image();
if (image == 0) return;
setAutoFillBackground(false);
if (m_buffer.size() != size()) {
m_buffer = QImage(size(), QImage::Format_ARGB32_Premultiplied);
}
QPainter gc(&m_buffer);
// we double buffer, so we paint on an image first, then from the image onto the canvas,
// so copy the clip region since otherwise we're filling the whole buffer every time with
// the background color _and_ the transparent squares.
gc.setClipRegion(ev->region());
KisCoordinatesConverter *converter = coordinatesConverter();
QTransform imageTransform = converter->viewportToWidgetTransform();
gc.save();
gc.setCompositionMode(QPainter::CompositionMode_Source);
gc.fillRect(QRect(QPoint(0, 0), size()), borderColor());
QTransform checkersTransform;
QPointF brushOrigin;
QPolygonF polygon;
converter->getQPainterCheckersInfo(&checkersTransform, &brushOrigin, &polygon);
gc.setPen(Qt::NoPen);
gc.setBrush(m_d->checkBrush);
gc.setBrushOrigin(brushOrigin);
gc.setTransform(checkersTransform);
gc.drawPolygon(polygon);
gc.setTransform(imageTransform);
gc.setRenderHint(QPainter::SmoothPixmapTransform, true);
QRectF viewportRect = converter->widgetToViewport(ev->rect());
gc.setCompositionMode(QPainter::CompositionMode_SourceOver);
gc.drawImage(viewportRect, m_d->prescaledProjection->prescaledQImage(),
viewportRect);
gc.restore();
#ifdef DEBUG_REPAINT
QColor color = QColor(random() % 255, random() % 255, random() % 255, 150);
gc.fillRect(ev->rect(), color);
#endif
drawDecorations(gc, ev->rect());
gc.end();
QPainter painter(this);
painter.drawImage(ev->rect(), m_buffer, ev->rect());
}
void KisOpenGLCanvas2::renderDecorations(QPainter *painter)
{
QRect boundingRect = coordinatesConverter()->imageRectInWidgetPixels().toAlignedRect();
drawDecorations(*painter, boundingRect);
}
