From 77d17d054b8baff411613206a099af36f8e0bc43 Mon Sep 17 00:00:00 2001
From: Paul Olav Tvete <paul.tvete@nokia.com>
Date: Wed, 21 Jul 2010 16:07:34 +0200
Subject: Quick-and-dirty grabWindoe() implementation for the VNC plugin
---
src/plugins/platforms/vnc/qvncintegration.cpp | 44 +++++++++++++++++++++------
src/plugins/platforms/vnc/qvncintegration.h | 2 ++
2 files changed, 36 insertions(+), 10 deletions(-)
diff --git a/src/plugins/platforms/vnc/qvncintegration.cpp b/src/plugins/platforms/vnc/qvncintegration.cpp
index 16fa5bb..331c16a 100644
--- a/src/plugins/platforms/vnc/qvncintegration.cpp
+++ b/src/plugins/platforms/vnc/qvncintegration.cpp
@@ -156,16 +156,6 @@ QPixmapData *QVNCIntegration::createPixmapData(QPixmapData::PixelType type) cons
return new QRasterPixmapData(type);
}
-// QWindowSurface *QVNCIntegration::createWindowSurface(QWidget *widget) const
-// {
-// if (widget->windowType() == Qt::Desktop)
-// return 0; // Don't create an explicit window surface for the destkop.
-// QFbWindowSurface * surface;
-// surface = new QFbWindowSurface(mPrimaryScreen, widget);
-// mPrimaryScreen->addWindowSurface(surface);
-// return surface;
-// }
-
QWindowSurface *QVNCIntegration::createWindowSurface(QWidget *widget, WId) const
{
QFbWindowSurface * surface;
@@ -192,6 +182,40 @@ QPlatformWindow *QVNCIntegration::createPlatformWindow(QWidget *widget, WId /*wi
return w;
}
+QPixmap QVNCIntegration::grabWindow(WId window, int x, int y, int width, int height) const
+{
+// qDebug() << "QVNCIntegration::grabWindow" << window << x << y << width << height;
+
+ if (window == 0) { //desktop
+ QImage *desktopImage = mPrimaryScreen->image();
+ if (x==0 && y == 0 && width < 0 && height < 0) {
+ return QPixmap::fromImage(*desktopImage);
+ }
+ if (width < 0)
+ width = desktopImage->width() - x;
+ if (height < 0)
+ height = desktopImage->height() - y;
+ int bytesPerPixel = desktopImage->depth()/8; //We don't support 1, 2, or 4 bpp
+ QImage img(desktopImage->scanLine(y) + bytesPerPixel*x, width, height, desktopImage->bytesPerLine(), desktopImage->format());
+ return QPixmap::fromImage(img);
+ }
+ QWidget *win = QWidget::find(window);
+ if (win) {
+ QRect r = win->geometry();
+ if (width < 0)
+ width = r.width() - x;
+ if (height < 0)
+ height = r.height() - y;
+ QImage *desktopImage = mPrimaryScreen->image();
+ int bytesPerPixel = desktopImage->depth()/8; //We don't support 1, 2, or 4 bpp
+
+ QImage img(desktopImage->scanLine(r.top() + y) + bytesPerPixel*(r.left()+x), width, height, desktopImage->bytesPerLine(), desktopImage->format());
+ return QPixmap::fromImage(img);
+ }
+ return QPixmap();
+}
+
+
void QVNCIntegration::moveToScreen(QWidget *window, int screen)
{
if (virtualDesktop) { // all windows exist on all screens in virtual desktop mode
diff --git a/src/plugins/platforms/vnc/qvncintegration.h b/src/plugins/platforms/vnc/qvncintegration.h
index d49e051..241993d 100644
--- a/src/plugins/platforms/vnc/qvncintegration.h
+++ b/src/plugins/platforms/vnc/qvncintegration.h
@@ -84,6 +84,8 @@ public:
QPlatformWindow *createPlatformWindow(QWidget *widget, WId winId) const;
QWindowSurface *createWindowSurface(QWidget *widget, WId winId) const;
+ QPixmap grabWindow(WId window, int x, int y, int width, int height) const;
+
QList<QPlatformScreen *> screens() const { return mScreens; }
bool isVirtualDesktop() { return virtualDesktop; }
--
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