path: root/prop.c

/* $Xorg: prop.c,v 1.4 2001/02/09 02:06:01 xorgcvs Exp $ */
/******************************************************************************

Copyright 1993, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
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******************************************************************************/
/* $XFree86: xc/programs/xsm/prop.c,v 1.5 2001/12/14 20:02:26 dawes Exp $ */

#include "xsm.h"
#include "info.h"
#include "prop.h"
#include <X11/Xaw/List.h>

extern Widget clientListWidget;


void
FreePropValues(List *propValues)
{
    List	*pv;
    PropValue	*pval;

    for (pv = ListFirst (propValues); pv; pv = ListNext (pv))
    {
	pval = (PropValue *) pv->thing;
	XtFree ((char *) pval->value);
	XtFree ((char *) pval);
    }

    ListFreeAll (propValues);
}



void
FreeProp(Prop *prop)
{
    FreePropValues (prop->values);
    XtFree (prop->name);
    XtFree (prop->type);
    XtFree ((char *) prop);
}



void
SetInitialProperties(ClientRec *client, List *props)
{
    List *pl;

    if (verbose)
	printf("Setting initial properties for %s\n", client->clientId);

    if (client->props)
    {
	/*
	 * The only way client->props could be non-NULL is if the list
	 * was initialized, but nothing was added yet.  So we just free
	 * the head of the list.
	 */

	XtFree ((char *) client->props);
    }

    client->props = props;

    for (pl = ListFirst (props); pl; pl = ListNext (pl))
    {
	Prop		*pprop;
	PropValue	*pval;
	List		*vl;

	pprop = (Prop *) pl->thing;

	if (strcmp (pprop->name, SmDiscardCommand) == 0)
	{
	    if (client->discardCommand)
		XtFree (client->discardCommand);

	    vl = ListFirst (pprop->values);
	    pval = (PropValue *) vl->thing;

	    client->discardCommand = (char *) XtNewString (
		(char *) pval->value);
	}
	else if (strcmp (pprop->name, SmRestartStyleHint) == 0)
	{
	    int hint;

	    vl = ListFirst (pprop->values);
	    pval = (PropValue *) vl->thing;

	    hint = (int) *((char *) (pval->value));

	    if (hint == SmRestartIfRunning || hint == SmRestartAnyway ||
		hint == SmRestartImmediately || hint == SmRestartNever)
	    {
		client->restartHint = hint;
	    }
	}
    }
}



void
SetProperty(ClientRec *client, SmProp *theProp, Bool freeIt)
{
    List 	*pl;
    Prop	*pprop = NULL;
    int		found = 0, i;

    /*
     * If the property exists, delete the property values.  We can
     * re-use the actual property header.
     */

    for (pl = ListFirst (client->props); pl; pl = ListNext (pl))
    {
	pprop = (Prop *) pl->thing;

	if (strcmp (theProp->name, pprop->name) == 0 &&
	    strcmp (theProp->type, pprop->type) == 0)
	{
	    FreePropValues (pprop->values);
	    found = 1;
	    break;
	}
    }


    /*
     * Add the new property
     */

    if (!found)
    {
	pprop = (Prop *) XtMalloc (sizeof (Prop));
	pprop->name = XtNewString (theProp->name);
	pprop->type = XtNewString (theProp->type);
    }

    pprop->values = ListInit ();

    for (i = 0; i < theProp->num_vals; i++)
    {
	PropValue *pval = (PropValue *) XtMalloc (sizeof (PropValue));

	pval->length = theProp->vals[i].length;
	pval->value = (XtPointer) XtMalloc (theProp->vals[i].length + 1);
	memcpy (pval->value, theProp->vals[i].value, theProp->vals[i].length);
	((char *) pval->value)[theProp->vals[i].length] = '\0';

	ListAddLast (pprop->values, (char *) pval);
    }

    if (pl)
	pl->thing = (char *) pprop;
    else
	ListAddLast (client->props, (char *) pprop);

    if (strcmp (theProp->name, SmDiscardCommand) == 0)
    {
	if (saveInProgress)
	{
	    /*
	     * We are in the middle of a save yourself.  We save the
	     * discard command we get now, and make it the current discard
	     * command when the save is over.
	     */

	    if (client->saveDiscardCommand)
		XtFree (client->saveDiscardCommand);
	    client->saveDiscardCommand =
		(char *) XtNewString (theProp->vals[0].value);

	    client->receivedDiscardCommand = True;
	}
	else
	{
	    if (client->discardCommand)
		XtFree (client->discardCommand);
	    client->discardCommand =
		(char *) XtNewString (theProp->vals[0].value);
	}
    }
    else if (strcmp (theProp->name, SmRestartStyleHint) == 0)
    {
	int hint = (int) *((char *) (theProp->vals[0].value));

	if (hint == SmRestartIfRunning || hint == SmRestartAnyway ||
	    hint == SmRestartImmediately || hint == SmRestartNever)
	{
	    client->restartHint = hint;
	}
    }

    if (freeIt)
	SmFreeProperty (theProp);
}



void
DeleteProperty(ClientRec *client, char *propname)
{
    List *pl;

    for (pl = ListFirst (client->props); pl; pl = ListNext (pl))
    {
	Prop *pprop = (Prop *) pl->thing;

	if (strcmp (pprop->name, propname) == 0)
	{
	    FreeProp (pprop);
	    ListFreeOne (pl);

	    if (strcmp (propname, SmDiscardCommand) == 0)
	    {
		if (client->discardCommand)
		{
		    XtFree (client->discardCommand);
		    client->discardCommand = NULL;
		}

		if (client->saveDiscardCommand)
		{
		    XtFree (client->saveDiscardCommand);
		    client->saveDiscardCommand = NULL;
		}
	    }
	    break;
	}
    }
}



void
SetPropertiesProc(SmsConn smsConn, SmPointer managerData, int numProps, 
		  SmProp **props)
{
    ClientRec	*client = (ClientRec *) managerData;
    int		updateList, i;

    if (verbose)
    {
	printf ("Client Id = %s, received SET PROPERTIES ", client->clientId);
	printf ("[Num props = %d]\n", numProps);
    }

    updateList = (ListCount (client->props) == 0) &&
	numProps > 0 && client_info_visible;

    for (i = 0; i < numProps; i++)
    {
	SetProperty (client, props[i], True /* free it */);
    }

    free ((char *) props);

    if (updateList)
    {
	/*
	 * We have enough info from the client to display it in our list.
	 */

	UpdateClientList ();
	XawListHighlight (clientListWidget, current_client_selected);
    }
    else if (client_prop_visible && clientListRecs &&
	clientListRecs[current_client_selected] == client)
    {
	DisplayProps (client);
    }
}



void
DeletePropertiesProc(SmsConn smsConn, SmPointer managerData, 
		     int numProps, char **propNames)

{
    ClientRec	*client = (ClientRec *) managerData;
    int		i;

    if (verbose) {
	printf ("Client Id = %s, received DELETE PROPERTIES ",
	    client->clientId);
	printf ("[Num props = %d]\n", numProps);
    }

    for (i = 0; i < numProps; i++)
    {
	if (verbose)
	    printf ("   Name:	%s\n", propNames[i]);

	DeleteProperty (client, propNames[i]);

	free (propNames[i]);
    }

    free ((char *) propNames);
}



void
GetPropertiesProc(SmsConn smsConn, SmPointer managerData)
{
    ClientRec	*client = (ClientRec *) managerData;
    SmProp	**propsRet, *propRet;
    SmPropValue *propValRet;
    Prop	*pprop;
    PropValue	*pval;
    List	*pl, *pj;
    int		numProps;
    int		index, i;

    if (verbose)
    {
	printf ("Client Id = %s, received GET PROPERTIES\n", client->clientId);
	printf ("\n");
    }

    /*
     * Unfortunately, we store the properties in a format different
     * from the one required by SMlib.
     */

    numProps = ListCount (client->props);
    propsRet = (SmProp **) XtMalloc (numProps * sizeof (SmProp *));

    index = 0;
    for (pl = ListFirst (client->props); pl; pl = ListNext (pl))
    {
	propsRet[index] = propRet = (SmProp *) XtMalloc (sizeof (SmProp));

	pprop = (Prop *) pl->thing;

	propRet->name = XtNewString (pprop->name);
	propRet->type = XtNewString (pprop->type);
	propRet->num_vals = ListCount (pprop->values);
	propRet->vals = propValRet = (SmPropValue *) XtMalloc (
	    propRet->num_vals * sizeof (SmPropValue));

	for (pj = ListFirst (pprop->values); pj; pj = ListNext (pj))
	{
	    pval = (PropValue *) pj->thing;

	    propValRet->length = pval->length;
	    propValRet->value = (SmPointer) XtMalloc (pval->length);
	    memcpy (propValRet->value, pval->value, pval->length);

	    propValRet++;
	}

	index++;
    }

    SmsReturnProperties (smsConn, numProps, propsRet);

    if (verbose)
    {
	printf ("Client Id = %s, sent PROPERTIES REPLY [Num props = %d]\n",
		client->clientId, numProps);
    }

    for (i = 0; i < numProps; i++)
	SmFreeProperty (propsRet[i]);
    XtFree ((char *) propsRet);
}