xserver/hw/xwin/winmultiwindowclass.c

/*
 *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
 *
 *Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 *"Software"), to deal in the Software without restriction, including
 *without limitation the rights to use, copy, modify, merge, publish,
 *distribute, sublicense, and/or sell copies of the Software, and to
 *permit persons to whom the Software is furnished to do so, subject to
 *the following conditions:
 *
 *The above copyright notice and this permission notice shall be
 *included in all copies or substantial portions of the Software.
 *
 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 *Except as contained in this notice, the name of the XFree86 Project
 *shall not be used in advertising or otherwise to promote the sale, use
 *or other dealings in this Software without prior written authorization
 *from the XFree86 Project.
 *
 * Authors:     Earle F. Philhower, III
 */

#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include <X11/Xatom.h>
#include "propertyst.h"
#include "windowstr.h"
#include "winmultiwindowclass.h"
#include "win.h"

/*
 * Local function
 */

DEFINE_ATOM_HELPER(AtmWmWindowRole, "WM_WINDOW_ROLE")


int
winMultiWindowGetClassHint (WindowPtr pWin, char **res_name, char **res_class)
{
  struct _Window	*pwin;
  struct _Property	*prop;
  int			len_name, len_class;

  if (!pWin || !res_name || !res_class)
    {
      ErrorF ("winMultiWindowGetClassHint - pWin, res_name, or res_class was "
	      "NULL\n");
      return 0;  
    }
  
  pwin = (struct _Window*) pWin;

  if (pwin->optional)
    prop = (struct _Property *) pwin->optional->userProps;
  else
    prop = NULL;
  
  *res_name = *res_class = NULL;

  while (prop)
    {
      if (prop->propertyName == XA_WM_CLASS
	  && prop->type == XA_STRING
	  && prop->format == 8
	  && prop->data)
	{
	  len_name = strlen ((char *) prop->data);

	  (*res_name) = malloc (len_name + 1);
	  
	  if (!*res_name)
	    {
	      ErrorF ("winMultiWindowGetClassHint - *res_name was NULL\n");
	      return 0;
	    }

	  /* Add one to len_name to allow copying of trailing 0 */
	  strncpy ((*res_name), prop->data, len_name + 1);

	  if (len_name == prop->size)
	    len_name--;

	  len_class = strlen (((char *)prop->data) + 1 + len_name);

	  (*res_class) = malloc (len_class + 1);

	  if (!*res_class)
	    {
	      ErrorF ("winMultiWindowGetClassHint - *res_class was NULL\n");
	      
	      /* Free the previously allocated res_name */
	      free (*res_name);
	      return 0;
	    }

	  strcpy ((*res_class), ((char *)prop->data) + 1 + len_name);

	  return 1;
	}
      else
	prop = prop->next;
    }
  
  return 0;
}


int
winMultiWindowGetWMHints (WindowPtr pWin, WinXWMHints *hints)
{
  struct _Window	*pwin;
  struct _Property	*prop;

  if (!pWin || !hints)
    {
      ErrorF ("winMultiWindowGetWMHints - pWin or hints was NULL\n");
      return 0; 
    }

  pwin = (struct _Window*) pWin;

  if (pwin->optional)
    prop = (struct _Property *) pwin->optional->userProps;
  else
    prop = NULL;
  
  memset (hints, 0, sizeof (WinXWMHints));

  while (prop)
    {
      if (prop->propertyName == XA_WM_HINTS
	  && prop->data)
	{
	  memcpy (hints, prop->data, sizeof (WinXWMHints));
	  return 1;
	}
      else
	prop = prop->next;
    }
  
  return 0;
}


int
winMultiWindowGetWindowRole (WindowPtr pWin, char **res_role)
{
  struct _Window	*pwin;
  struct _Property	*prop;
  int			len_role;

  if (!pWin || !res_role) 
    return 0; 

  pwin = (struct _Window*) pWin;
  
  if (pwin->optional)
    prop = (struct _Property *) pwin->optional->userProps;
  else
    prop = NULL;
  
  *res_role = NULL;
  while (prop)
    {
      if (prop->propertyName == AtmWmWindowRole ()
	  && prop->type == XA_STRING
	  && prop->format == 8
	  && prop->data)
	{
	  len_role= prop->size;

	  (*res_role) = malloc (len_role + 1);

	  if (!*res_role)
	    {
	      ErrorF ("winMultiWindowGetWindowRole - *res_role was NULL\n");
	      return 0; 
	    }

	  strncpy ((*res_role), prop->data, len_role);
	  (*res_role)[len_role] = 0;

	  return 1;
	}
      else
	prop = prop->next;
    }
  
  return 0;
}


int
winMultiWindowGetWMNormalHints (WindowPtr pWin, WinXSizeHints *hints)
{
  struct _Window	*pwin;
  struct _Property	*prop;

  if (!pWin || !hints)
    {
      ErrorF ("winMultiWindowGetWMNormalHints - pWin or hints was NULL\n");
      return 0; 
    }

  pwin = (struct _Window*) pWin;

  if (pwin->optional)
    prop = (struct _Property *) pwin->optional->userProps;
  else
    prop = NULL;
  
  memset (hints, 0, sizeof (WinXSizeHints));

  while (prop)
    {
      if (prop->propertyName == XA_WM_NORMAL_HINTS
	  && prop->data)
	{
	  memcpy (hints, prop->data, sizeof (WinXSizeHints));
	  return 1;
	}
      else
	prop = prop->next;
    }

  return 0;
}

int
winMultiWindowGetTransientFor (WindowPtr pWin, WindowPtr *ppDaddy)
{
  struct _Window        *pwin;
  struct _Property      *prop;

  if (!pWin)
    {
      ErrorF ("winMultiWindowGetTransientFor - pWin was NULL\n");
      return 0;
    }

  pwin = (struct _Window*) pWin;

  if (pwin->optional)
    prop = (struct _Property *) pwin->optional->userProps;
  else
    prop = NULL;

  if (ppDaddy)
    *ppDaddy = NULL;

  while (prop)
    {
      if (prop->propertyName == XA_WM_TRANSIENT_FOR)
        {
          if (ppDaddy)
            memcpy (ppDaddy, prop->data, sizeof (WindowPtr));
          return 1;
        }
      else
        prop = prop->next;
    }

  return 0;
}

int
winMultiWindowGetWMName (WindowPtr pWin, char **wmName)
{
  struct _Window	*pwin;
  struct _Property	*prop;
  int			len_name;

  if (!pWin || !wmName)
    {
      ErrorF ("winMultiWindowGetClassHint - pWin, res_name, or res_class was "
	      "NULL\n");
      return 0;  
    }
  
  pwin = (struct _Window*) pWin;

  if (pwin->optional)
    prop = (struct _Property *) pwin->optional->userProps;
  else
    prop = NULL;
  
  *wmName = NULL;

  while (prop)
    {
      if (prop->propertyName == XA_WM_NAME
	  && prop->type == XA_STRING
	  && prop->data)
	{
	  len_name = prop->size;

	  (*wmName) = malloc (len_name + 1);
	  
	  if (!*wmName)
	    {
	      ErrorF ("winMultiWindowGetWMName - *wmName was NULL\n");
	      return 0;
	    }

	  strncpy ((*wmName), prop->data, len_name);
	  (*wmName)[len_name] = 0;

	  return 1;
	}
      else
	prop = prop->next;
    }
  
  return 0;
}