diff options
Diffstat (limited to 'src/plugins/platforms/xcb')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbwindow.cpp | 11 | ||||
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbwindow.h | 6 | ||||
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbwindowsurface.cpp | 22 |
3 files changed, 32 insertions, 7 deletions
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp index c687e4c..0a02c7e 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.cpp +++ b/src/plugins/platforms/xcb/qxcbwindow.cpp @@ -113,7 +113,8 @@ QXcbWindow::QXcbWindow(QWidget *tlw) #if defined(XCB_USE_GLX) || defined(XCB_USE_EGL) if (tlw->platformWindowFormat().windowApi() == QPlatformWindowFormat::OpenGL - && QApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL)) + && QApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL) + || tlw->platformWindowFormat().alpha()) { #if defined(XCB_USE_GLX) XVisualInfo *visualInfo = qglx_findVisualInfo(DISPLAY_FROM_XCB(m_screen),m_screen->screenNumber(), tlw->platformWindowFormat()); @@ -131,13 +132,17 @@ QXcbWindow::QXcbWindow(QWidget *tlw) visualInfo = XGetVisualInfo(DISPLAY_FROM_XCB(this), VisualIDMask, &visualInfoTemplate, &matchingCount); #endif //XCB_USE_GLX if (visualInfo) { + m_depth = visualInfo->depth; + m_format = (m_depth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32; Colormap cmap = XCreateColormap(DISPLAY_FROM_XCB(this), m_screen->root(), visualInfo->visual, AllocNone); XSetWindowAttributes a; + a.background_pixel = WhitePixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber()); + a.border_pixel = BlackPixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber()); a.colormap = cmap; m_window = XCreateWindow(DISPLAY_FROM_XCB(this), m_screen->root(), tlw->x(), tlw->y(), tlw->width(), tlw->height(), 0, visualInfo->depth, InputOutput, visualInfo->visual, - CWColormap, &a); + CWBackPixel|CWBorderPixel|CWColormap, &a); printf("created GL window: %d\n", m_window); } else { @@ -147,6 +152,8 @@ QXcbWindow::QXcbWindow(QWidget *tlw) #endif //defined(XCB_USE_GLX) || defined(XCB_USE_EGL) { m_window = xcb_generate_id(xcb_connection()); + m_depth = m_screen->screen()->root_depth; + m_format = (m_depth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32; Q_XCB_CALL(xcb_create_window(xcb_connection(), XCB_COPY_FROM_PARENT, // depth -- same as root diff --git a/src/plugins/platforms/xcb/qxcbwindow.h b/src/plugins/platforms/xcb/qxcbwindow.h index 3f4d2d2..69d0bc2 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.h +++ b/src/plugins/platforms/xcb/qxcbwindow.h @@ -44,6 +44,7 @@ #include <QtGui/QPlatformWindow> #include <QtGui/QPlatformWindowFormat> +#include <QtGui/QImage> #include <xcb/xcb.h> #include <xcb/sync.h> @@ -74,6 +75,8 @@ public: QPlatformGLContext *glContext() const; xcb_window_t window() const { return m_window; } + uint depth() const { return m_depth; } + QImage::Format format() const { return m_format; } void handleExposeEvent(const xcb_expose_event_t *event); void handleClientMessageEvent(const xcb_client_message_event_t *event); @@ -99,6 +102,9 @@ private: xcb_window_t m_window; QPlatformGLContext *m_context; + uint m_depth; + QImage::Format m_format; + xcb_sync_int64_t m_syncValue; xcb_sync_counter_t m_syncCounter; diff --git a/src/plugins/platforms/xcb/qxcbwindowsurface.cpp b/src/plugins/platforms/xcb/qxcbwindowsurface.cpp index 827a899..4fcd207 100644 --- a/src/plugins/platforms/xcb/qxcbwindowsurface.cpp +++ b/src/plugins/platforms/xcb/qxcbwindowsurface.cpp @@ -54,11 +54,12 @@ #include <stdio.h> #include <qdebug.h> +#include <qpainter.h> class QXcbShmImage : public QXcbObject { public: - QXcbShmImage(QXcbScreen *connection, const QSize &size); + QXcbShmImage(QXcbScreen *connection, const QSize &size, uint depth, QImage::Format format); ~QXcbShmImage() { destroy(); } QImage *image() { return &m_qimage; } @@ -81,7 +82,7 @@ private: QRegion m_dirty; }; -QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size) +QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size, uint depth, QImage::Format format) : QXcbObject(screen->connection()) , m_gc(0) , m_gc_window(0) @@ -91,7 +92,7 @@ QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size) size.width(), size.height(), XCB_IMAGE_FORMAT_Z_PIXMAP, - screen->depth(), + depth, 0, ~0, 0); @@ -111,7 +112,7 @@ QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size) if (shmctl(m_shm_info.shmid, IPC_RMID, 0) == -1) qWarning() << "QXcbWindowSurface: Error while marking the shared memory segment to be destroyed"; - m_qimage = QImage( (uchar*) m_xcb_image->data, m_xcb_image->width, m_xcb_image->height, m_xcb_image->stride, screen->format()); + m_qimage = QImage( (uchar*) m_xcb_image->data, m_xcb_image->width, m_xcb_image->height, m_xcb_image->stride, format); } void QXcbShmImage::destroy() @@ -189,6 +190,16 @@ QPaintDevice *QXcbWindowSurface::paintDevice() void QXcbWindowSurface::beginPaint(const QRegion ®ion) { m_image->preparePaint(region); + + if (m_image->image()->hasAlphaChannel()) { + QPainter p(m_image->image()); + p.setCompositionMode(QPainter::CompositionMode_Source); + const QVector<QRect> rects = region.rects(); + const QColor blank = Qt::transparent; + for (QVector<QRect>::const_iterator it = rects.begin(); it != rects.end(); ++it) { + p.fillRect(*it, blank); + } + } } void QXcbWindowSurface::endPaint(const QRegion &) @@ -232,9 +243,10 @@ void QXcbWindowSurface::resize(const QSize &size) QWindowSurface::resize(size); QXcbScreen *screen = static_cast<QXcbScreen *>(QPlatformScreen::platformScreenForWidget(window())); + QXcbWindow* win = static_cast<QXcbWindow *>(window()->platformWindow()); delete m_image; - m_image = new QXcbShmImage(screen, size); + m_image = new QXcbShmImage(screen, size, win->depth(), win->format()); Q_XCB_NOOP(connection()); m_syncingResize = true; |