widget/src/qt/nsScreenQt.cpp

   1 /* ***** BEGIN LICENSE BLOCK *****
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  22  *   Lars Knoll <knoll@kde.org>
  23  *   Zack Rusin <zack@kde.org>
  24  *   John C. Griggs <johng@corel.com>
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  39
  40 #include "nsScreenQt.h"
  41
  42 #include <qcolor.h>
  43 #include <qcolormap.h>
  44 #include <qrect.h>
  45 #include <qdesktopwidget.h>
  46 #include <qapplication.h>
  47
  48 nsScreenQt::nsScreenQt(int aScreen)
  49     : mScreen(aScreen)
  50 {
  51     // nothing else to do. I guess we could cache a bunch of information
  52     // here, but we want to ask the device at runtime in case anything
  53     // has changed.
  54 }
  55
  56 nsScreenQt::~nsScreenQt()
  57 {
  58     // nothing to see here.
  59 }
  60
  61 // addref, release, QI
  62 NS_IMPL_ISUPPORTS1(nsScreenQt, nsIScreen)
  63
  64 NS_IMETHODIMP
  65 nsScreenQt::GetRect(PRInt32 *outLeft,PRInt32 *outTop,
  66                     PRInt32 *outWidth,PRInt32 *outHeight)
  67 {
  68     QRect r = QApplication::desktop()->screenGeometry(mScreen);
  69     *outTop = r.x();
  70     *outLeft = r.y();
  71     *outWidth = r.width();
  72     *outHeight = r.height();
  73
  74     return NS_OK;
  75 }
  76
  77 NS_IMETHODIMP
  78 nsScreenQt::GetAvailRect(PRInt32 *outLeft,PRInt32 *outTop,
  79                          PRInt32 *outWidth,PRInt32 *outHeight)
  80 {
  81     QRect r = QApplication::desktop()->availableGeometry(mScreen);
  82     *outTop = r.x();
  83     *outLeft = r.y();
  84     *outWidth = r.width();
  85     *outHeight = r.height();
  86
  87     return NS_OK;
  88 }
  89
  90 NS_IMETHODIMP
  91 nsScreenQt::GetPixelDepth(PRInt32 *aPixelDepth)
  92 {
  93     // #############
  94     *aPixelDepth = (PRInt32)QColormap::instance().depth();
  95     return NS_OK;
  96 }
  97
  98 NS_IMETHODIMP
  99 nsScreenQt::GetColorDepth(PRInt32 *aColorDepth)
 100 {
 101     // ###############
 102     return GetPixelDepth(aColorDepth);
 103 }