зеркало из https://github.com/mozilla/pjs.git
154 строки
4.6 KiB
C++
154 строки
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2000
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "nsScreenWin.h"
|
|
|
|
|
|
nsScreenWin :: nsScreenWin ( HMONITOR inScreen )
|
|
: mScreen(inScreen)
|
|
{
|
|
#ifdef DEBUG
|
|
HDC hDCScreen = ::GetDC(nsnull);
|
|
NS_ASSERTION(hDCScreen,"GetDC Failure");
|
|
NS_ASSERTION ( ::GetDeviceCaps(hDCScreen, TECHNOLOGY) == DT_RASDISPLAY, "Not a display screen");
|
|
::ReleaseDC(nsnull,hDCScreen);
|
|
#endif
|
|
|
|
// nothing else to do. I guess we could cache a bunch of information
|
|
// here, but we want to ask the device at runtime in case anything
|
|
// has changed.
|
|
}
|
|
|
|
|
|
nsScreenWin :: ~nsScreenWin()
|
|
{
|
|
// nothing to see here.
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsScreenWin :: GetRect(PRInt32 *outLeft, PRInt32 *outTop, PRInt32 *outWidth, PRInt32 *outHeight)
|
|
{
|
|
BOOL success = FALSE;
|
|
if ( mScreen ) {
|
|
MONITORINFO info;
|
|
info.cbSize = sizeof(MONITORINFO);
|
|
success = ::GetMonitorInfoW( mScreen, &info );
|
|
if ( success ) {
|
|
*outLeft = info.rcMonitor.left;
|
|
*outTop = info.rcMonitor.top;
|
|
*outWidth = info.rcMonitor.right - info.rcMonitor.left;
|
|
*outHeight = info.rcMonitor.bottom - info.rcMonitor.top;
|
|
}
|
|
}
|
|
if (!success) {
|
|
HDC hDCScreen = ::GetDC(nsnull);
|
|
NS_ASSERTION(hDCScreen,"GetDC Failure");
|
|
|
|
*outTop = *outLeft = 0;
|
|
*outWidth = ::GetDeviceCaps(hDCScreen, HORZRES);
|
|
*outHeight = ::GetDeviceCaps(hDCScreen, VERTRES);
|
|
|
|
::ReleaseDC(nsnull, hDCScreen);
|
|
}
|
|
return NS_OK;
|
|
|
|
} // GetRect
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsScreenWin :: GetAvailRect(PRInt32 *outLeft, PRInt32 *outTop, PRInt32 *outWidth, PRInt32 *outHeight)
|
|
{
|
|
BOOL success = FALSE;
|
|
|
|
if ( mScreen ) {
|
|
MONITORINFO info;
|
|
info.cbSize = sizeof(MONITORINFO);
|
|
success = ::GetMonitorInfoW( mScreen, &info );
|
|
if ( success ) {
|
|
*outLeft = info.rcWork.left;
|
|
*outTop = info.rcWork.top;
|
|
*outWidth = info.rcWork.right - info.rcWork.left;
|
|
*outHeight = info.rcWork.bottom - info.rcWork.top;
|
|
}
|
|
}
|
|
if (!success) {
|
|
RECT workArea;
|
|
::SystemParametersInfo(SPI_GETWORKAREA, 0, &workArea, 0);
|
|
*outLeft = workArea.left;
|
|
*outTop = workArea.top;
|
|
*outWidth = workArea.right - workArea.left;
|
|
*outHeight = workArea.bottom - workArea.top;
|
|
}
|
|
|
|
return NS_OK;
|
|
|
|
} // GetAvailRect
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsScreenWin :: GetPixelDepth(PRInt32 *aPixelDepth)
|
|
{
|
|
//XXX not sure how to get this info for multiple monitors, this might be ok...
|
|
HDC hDCScreen = ::GetDC(nsnull);
|
|
NS_ASSERTION(hDCScreen,"GetDC Failure");
|
|
|
|
PRInt32 depth = ::GetDeviceCaps(hDCScreen, BITSPIXEL);
|
|
if (depth == 32) {
|
|
// If a device uses 32 bits per pixel, it's still only using 8 bits
|
|
// per color component, which is what our callers want to know.
|
|
// (Some devices report 32 and some devices report 24.)
|
|
depth = 24;
|
|
}
|
|
*aPixelDepth = depth;
|
|
|
|
::ReleaseDC(nsnull, hDCScreen);
|
|
return NS_OK;
|
|
|
|
} // GetPixelDepth
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsScreenWin :: GetColorDepth(PRInt32 *aColorDepth)
|
|
{
|
|
return GetPixelDepth(aColorDepth);
|
|
|
|
} // GetColorDepth
|
|
|
|
|