зеркало из https://github.com/mozilla/pjs.git
150 строки
4.1 KiB
C++
150 строки
4.1 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 "nsScreenOS2.h"
|
|
|
|
nsScreenOS2 :: nsScreenOS2 ( )
|
|
{
|
|
// 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.
|
|
}
|
|
|
|
|
|
nsScreenOS2 :: ~nsScreenOS2()
|
|
{
|
|
// nothing to see here.
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsScreenOS2 :: GetRect(PRInt32 *outLeft, PRInt32 *outTop, PRInt32 *outWidth, PRInt32 *outHeight)
|
|
{
|
|
LONG alArray[2];
|
|
|
|
HPS hps = ::WinGetScreenPS( HWND_DESKTOP);
|
|
HDC hdc = ::GpiQueryDevice (hps);
|
|
::DevQueryCaps(hdc, CAPS_WIDTH, 2, alArray);
|
|
::WinReleasePS(hps);
|
|
|
|
*outTop = 0;
|
|
*outLeft = 0;
|
|
*outWidth = alArray[0];
|
|
*outHeight = alArray[1];
|
|
|
|
|
|
return NS_OK;
|
|
|
|
} // GetRect
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsScreenOS2 :: GetAvailRect(PRInt32 *outLeft, PRInt32 *outTop, PRInt32 *outWidth, PRInt32 *outHeight)
|
|
{
|
|
static APIRET rc = 0;
|
|
static BOOL (APIENTRY * pfnQueryDesktopWorkArea)(HWND hwndDesktop, PWRECT pwrcWorkArea) = NULL;
|
|
|
|
GetRect(outLeft, outTop, outWidth, outHeight);
|
|
|
|
// This height is different based on whether or not
|
|
// "Show on top of maximed windows" is checked
|
|
LONG lWorkAreaHeight = *outHeight;
|
|
|
|
if ( !rc && !pfnQueryDesktopWorkArea )
|
|
{
|
|
HMODULE hmod = 0;
|
|
rc = DosQueryModuleHandle( "PMMERGE", &hmod );
|
|
if ( !rc )
|
|
{
|
|
rc = DosQueryProcAddr( hmod, 5469, NULL, (PFN*) &pfnQueryDesktopWorkArea ); // WinQueryDesktopWorkArea
|
|
}
|
|
}
|
|
if ( pfnQueryDesktopWorkArea && !rc )
|
|
{
|
|
RECTL rectl;
|
|
pfnQueryDesktopWorkArea( HWND_DESKTOP, &rectl );
|
|
lWorkAreaHeight = rectl.yTop - rectl.yBottom;
|
|
}
|
|
|
|
HWND hwndWarpCenter = WinWindowFromID( HWND_DESKTOP, 0x555 );
|
|
if (hwndWarpCenter) {
|
|
/* If "Show on top of maximized windows is checked" */
|
|
if (lWorkAreaHeight != *outHeight) {
|
|
SWP swp;
|
|
WinQueryWindowPos( hwndWarpCenter, &swp );
|
|
if (swp.y != 0) {
|
|
/* WarpCenter is at the top */
|
|
*outTop += swp.cy;
|
|
}
|
|
*outHeight -= swp.cy;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
|
|
} // GetAvailRect
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsScreenOS2 :: GetPixelDepth(PRInt32 *aPixelDepth)
|
|
{
|
|
LONG lCap;
|
|
|
|
HPS hps = ::WinGetScreenPS( HWND_DESKTOP);
|
|
HDC hdc = ::GpiQueryDevice (hps);
|
|
|
|
::DevQueryCaps(hdc, CAPS_COLOR_BITCOUNT, 1, &lCap);
|
|
|
|
*aPixelDepth = (PRInt32)lCap;
|
|
|
|
|
|
::WinReleasePS(hps);
|
|
|
|
return NS_OK;
|
|
|
|
} // GetPixelDepth
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsScreenOS2 :: GetColorDepth(PRInt32 *aColorDepth)
|
|
{
|
|
return GetPixelDepth ( aColorDepth );
|
|
|
|
} // GetColorDepth
|
|
|
|
|