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Use a linked list instead of a DPA to manage pixmaps.

This commit is contained in:
Alexandre Julliard 2000-01-26 02:21:30 +00:00
parent 617f6908de
commit 96ebf15edd
1 changed files with 29 additions and 53 deletions
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82
windows/x11drv/clipboard.c
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@ -64,7 +64,6 @@
#include "windef.h"
#include "x11drv.h"
#include "bitmap.h"
#include "commctrl.h"
#include "heap.h"
#include "options.h"
#include "debugtools.h"
@ -90,12 +89,14 @@ static unsigned long cSelectionTargets = 0; /* Number of target formats repor
static Atom selectionCacheSrc = XA_PRIMARY; /* The selection source from which the clipboard cache was filled */
static HANDLE selectionClearEvent = 0;/* Synchronization object used to block until server is started */
/*
* Dynamic pointer arrays to manage destruction of Pixmap resources
*/
static HDPA PropDPA = NULL;
static HDPA PixmapDPA = NULL;
typedef struct tagPROPERTY
{
struct tagPROPERTY *next;
Atom atom;
Pixmap pixmap;
} PROPERTY;
static PROPERTY *prop_head;
/**************************************************************************
@ -833,22 +834,13 @@ void X11DRV_CLIPBOARD_Release()
}
/* Get rid of any Pixmap resources we may still have */
if (PropDPA)
DPA_Destroy( PropDPA );
if (PixmapDPA)
while (prop_head)
{
int i;
Pixmap pixmap;
for( i = 0; ; i++ )
{
if ( (pixmap = ((Pixmap)DPA_GetPtr(PixmapDPA, i))) )
XFreePixmap(display, pixmap);
else
break;
}
DPA_Destroy( PixmapDPA );
PROPERTY *prop = prop_head;
prop_head = prop->next;
XFreePixmap( display, prop->pixmap );
HeapFree( GetProcessHeap(), 0, prop );
}
PixmapDPA = PropDPA = NULL;
}
/**************************************************************************
@ -895,12 +887,6 @@ void X11DRV_CLIPBOARD_Acquire()
if (selectionAcquired)
{
/* Create dynamic pointer arrays to manage Pixmap resources we may expose */
if (!PropDPA)
PropDPA = DPA_CreateEx( 2, SystemHeap );
if (!PixmapDPA)
PixmapDPA = DPA_CreateEx( 2, SystemHeap );
selectionWindow = owner;
TRACE("Grabbed X selection, owner=(%08x)\n", (unsigned) owner);
}
@ -1217,13 +1203,13 @@ END:
*/
BOOL X11DRV_CLIPBOARD_RegisterPixmapResource( Atom property, Pixmap pixmap )
{
if ( -1 == DPA_InsertPtr( PropDPA, 0, (void*)property ) )
return FALSE;
if ( -1 == DPA_InsertPtr( PixmapDPA, 0, (void*)pixmap ) )
return FALSE;
return TRUE;
PROPERTY *prop = HeapAlloc( GetProcessHeap(), 0, sizeof(*prop) );
if (!prop) return FALSE;
prop->atom = property;
prop->pixmap = pixmap;
prop->next = prop_head;
prop_head = prop;
return TRUE;
}
/**************************************************************************
@ -1237,28 +1223,18 @@ void X11DRV_CLIPBOARD_FreeResources( Atom property )
/* Do a simple linear search to see if we have a Pixmap resource
* associated with this property and release it.
*/
int i;
Pixmap pixmap;
Atom cacheProp = 0;
for( i = 0; ; i++ )
{
if ( !(cacheProp = ((Atom)DPA_GetPtr(PropDPA, i))) )
break;
if ( cacheProp == property )
{
/* Lookup the associated Pixmap and free it */
pixmap = (Pixmap)DPA_GetPtr(PixmapDPA, i);
TRACE("Releasing pixmap %ld for Property %s\n",
(long)pixmap, TSXGetAtomName(display, cacheProp));
XFreePixmap(display, pixmap);
PROPERTY **prop = &prop_head;
/* Free the entries from the table */
DPA_DeletePtr(PropDPA, i);
DPA_DeletePtr(PixmapDPA, i);
while (*prop)
{
if ((*prop)->atom == property)
{
PROPERTY *next = (*prop)->next;
XFreePixmap( display, (*prop)->pixmap );
HeapFree( GetProcessHeap(), 0, *prop );
*prop = next;
}
else prop = &(*prop)->next;
}
}