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lightning-sunbird  0.9+nobinonly
nsScreenPh.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
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00015  * The Original Code is mozilla.org code.
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00017  * The Initial Developer of the Original Code is
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00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
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00037 
00038 #include "nsScreenPh.h"
00039 
00040 #include <Pt.h>
00041 #include "nsPhGfxLog.h"
00042 
00043 nsScreenPh :: nsScreenPh ( ) {
00044   PhSysInfo_t       SysInfo;
00045   PhRect_t          rect;
00046   char              *p;
00047   int               inp_grp;
00048   PhRid_t           rid;
00049   PhRegion_t        region;
00050   
00051        p = NULL;
00052 
00053        /* Initialize the data members */
00054        /* Get the Screen Size and Depth*/
00055        p = getenv("PHIG");
00056        if( p ) inp_grp = atoi(p);
00057        else inp_grp = 1;
00058 
00059        PhQueryRids( 0, 0, inp_grp, Ph_INPUTGROUP_REGION, 0, 0, 0, &rid, 1 );
00060        PhRegionQuery( rid, &region, &rect, NULL, 0 );
00061        inp_grp = region.input_group;
00062        PhWindowQueryVisible( Ph_QUERY_IG_POINTER, 0, inp_grp, &rect );
00063        mWidth  = rect.lr.x - rect.ul.x + 1;
00064        mHeight = rect.lr.y - rect.ul.y + 1;  
00065 
00066        /* Get the System Info for the RID */
00067        if( PhQuerySystemInfo(rid, NULL, &SysInfo ) ) {
00068               /* Make sure the "color_bits" field is valid */
00069               if( SysInfo.gfx.valid_fields & Ph_GFX_COLOR_BITS ) mPixelDepth = SysInfo.gfx.color_bits;
00070               }
00071        }
00072 
00073 nsScreenPh :: ~nsScreenPh( ) { }
00074 
00075 // addref, release, QI
00076 NS_IMPL_ISUPPORTS1(nsScreenPh, nsIScreen)
00077 
00078 NS_IMETHODIMP nsScreenPh :: GetPixelDepth( PRInt32 *aPixelDepth ) {
00079        *aPixelDepth = mPixelDepth;
00080        return NS_OK;
00081        } // GetPixelDepth
00082 
00083 
00084 NS_IMETHODIMP nsScreenPh :: GetColorDepth( PRInt32 *aColorDepth ) {
00085   return GetPixelDepth ( aColorDepth );
00086        }
00087 
00088 NS_IMETHODIMP nsScreenPh :: GetRect( PRInt32 *outLeft, PRInt32 *outTop, PRInt32 *outWidth, PRInt32 *outHeight ) {
00089   *outTop = 0;
00090   *outLeft = 0;
00091   *outWidth = mWidth;
00092   *outHeight = mHeight;
00093   return NS_OK;
00094        }
00095 
00096 NS_IMETHODIMP nsScreenPh :: GetAvailRect( PRInt32 *outLeft, PRInt32 *outTop, PRInt32 *outWidth, PRInt32 *outHeight ) {
00097   *outTop = 0;
00098   *outLeft = 0;
00099   *outWidth = mWidth;
00100   *outHeight = mHeight;
00101   return NS_OK;
00102        }