Peter Howkins
194 lines
5.1 KiB
C
194 lines
5.1 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these librararies and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* (c) Copyright 1993, 1994 Hewlett-Packard Company *
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* (c) Copyright 1993, 1994 International Business Machines Corp. *
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* (c) Copyright 1993, 1994 Sun Microsystems, Inc. *
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* (c) Copyright 1993, 1994 Novell, Inc. *
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*/
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/************************************<+>*************************************
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****************************************************************************
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**
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** File: WmBackWin.c
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**
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** RCS: $XConsortium: WmBackWin.c /main/4 1995/10/26 15:12:20 rswiston $
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** Project: DT Workspace Manager
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**
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** Description: Identify backdrop windows
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**
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** (c) Copyright 1993 by Hewlett-Packard Company
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**
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****************************************************************************
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************************************<+>*************************************/
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#include <stdio.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <Dt/Wsm.h>
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#include <Xm/Xm.h>
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#include <Xm/AtomMgr.h>
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/******** Public Function Declarations ********/
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extern Window DtWsmGetCurrentBackdropWindow(
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Display *display,
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Window root);
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extern Boolean _DtWsmIsBackdropWindow(
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Display *display,
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int screen_num,
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Window window );
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/******** End Public Function Declarations ********/
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/*************************************<->*************************************
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*
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* Window DtWsmGetCurrentBackdropWindow (display, root)
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*
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*
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* Description:
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* -----------
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* Returns the window used for the backdrop for the current workspace
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*
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*
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* Inputs:
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* ------
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* display - display
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* root - root window
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*
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* Return - window used for current workspace
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* None if no backdrop window or error
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*
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* Comments:
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* --------
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*
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*
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*************************************<->***********************************/
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Window
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DtWsmGetCurrentBackdropWindow(
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Display *display ,
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Window root )
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{
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Window wReturn = None;
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Atom aWS;
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DtWsmWorkspaceInfo *pWsInfo;
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Status status;
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status = DtWsmGetCurrentWorkspace (display, root, &aWS);
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if (status == Success)
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{
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status = DtWsmGetWorkspaceInfo(display, root, aWS, &pWsInfo);
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if (status == Success)
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{
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if (pWsInfo->numBackdropWindows > 0)
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{
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/* copy backdrop window (there should be at most one) */
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wReturn = pWsInfo->backdropWindows[0];
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}
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DtWsmFreeWorkspaceInfo (pWsInfo);
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}
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}
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return (wReturn);
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} /* END OF FUNCTION DtWsmGetCurrentBackdropWindow */
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/*************************************<->*************************************
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*
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* Boolean _DtWsmIsBackdropWindow (display, screen_num, window)
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*
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*
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* Description:
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* -----------
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* Returns true if the window passed in is a backdrop window.
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*
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*
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* Inputs:
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* ------
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* display - display
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* screen_num - number of screen we're interested in
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* window - window we want to test
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*
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* Outputs:
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* -------
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* Return - True if window is a backdrop window
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* False otherwise.
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*
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* Comments:
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* --------
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*
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*************************************<->***********************************/
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Boolean
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_DtWsmIsBackdropWindow(
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Display *display,
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int screen_num,
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Window window )
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{
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Boolean rval = False;
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Status status;
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Atom *pWorkspaceList;
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int ix, iw, numWorkspaces;
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DtWsmWorkspaceInfo *pWsInfo;
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Window root;
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root = XRootWindow (display, screen_num);
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status = DtWsmGetWorkspaceList (display, root,
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&pWorkspaceList, &numWorkspaces);
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if ((status == Success) &&
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(numWorkspaces > 0) &&
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(pWsInfo = (DtWsmWorkspaceInfo *)
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malloc (numWorkspaces * sizeof(DtWsmWorkspaceInfo))))
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{
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for (ix=0;
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(!rval) && (ix < numWorkspaces) && (status == Success);
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ix++)
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{
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status = DtWsmGetWorkspaceInfo (display,
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root,
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pWorkspaceList[ix],
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&pWsInfo);
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if (status == Success)
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{
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for (iw = 0; iw < pWsInfo->numBackdropWindows; iw++)
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{
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if (pWsInfo->backdropWindows[iw] == window)
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{
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rval = True;
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}
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}
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DtWsmFreeWorkspaceInfo(pWsInfo);
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}
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}
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XFree ((char *)pWorkspaceList);
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}
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return (rval);
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} /* END OF FUNCTION _DtWsmIsBackdropWindow */
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