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/** \file
* \brief Ihandle <-> Name table manager.
*
* See Copyright Notice in "iup.h"
*/
#include <stdlib.h>
#include "iup.h"
#include "iup_str.h"
#include "iup_table.h"
#include "iup_names.h"
#include "iup_object.h"
#include "iup_class.h"
#include "iup_assert.h"
#include "iup_attrib.h"
#include "iup_str.h"
static Itable *inames_strtable = NULL; /* table indexed by name containing Ihandle* address */
void iupNamesInit(void)
{
inames_strtable = iupTableCreate(IUPTABLE_STRINGINDEXED);
}
void iupNamesFinish(void)
{
iupTableDestroy(inames_strtable);
inames_strtable = NULL;
}
static Ihandle* iNameGetTopParent(Ihandle* ih)
{
Ihandle* parent = ih;
while (parent->parent)
parent = parent->parent;
return parent;
}
static int iNameCheckArray(Ihandle** ih_array, int count, Ihandle* ih)
{
int i;
for (i = 0; i < count; i++)
{
if (ih_array[i] == ih)
return 0;
}
return 1;
}
void iupNamesDestroyHandles(void)
{
char *name;
Ihandle** ih_array, *ih;
int count, i = 0;
count = iupTableCount(inames_strtable);
if (!count)
return;
ih_array = (Ihandle**)malloc(count * sizeof(Ihandle*));
/* store the names before updating so we can remove elements in the loop */
name = iupTableFirst(inames_strtable);
while (name)
{
ih = (Ihandle*)iupTableGetCurr(inames_strtable);
if (iupObjectCheck(ih)) /* here must be a handle */
{
ih = iNameGetTopParent(ih);
if (iNameCheckArray(ih_array, i, ih))
{
ih_array[i] = ih;
i++;
}
}
name = iupTableNext(inames_strtable);
}
count = i;
for (i = 0; i < count; i++)
{
if (iupObjectCheck(ih_array[i])) /* here must be a handle */
IupDestroy(ih_array[i]);
}
free(ih_array);
}
void iupRemoveNames(Ihandle* ih)
{
char *name;
/* clear the cache */
name = iupAttribGet(ih, "_IUP_LASTHANDLENAME");
if (name)
iupTableRemove(inames_strtable, name);
/* check for an internal name */
name = iupAttribGetHandleName(ih);
if (name)
iupTableRemove(inames_strtable, name);
/* Do NOT search for other names */
}
Ihandle *IupGetHandle(const char *name)
{
if (!name) /* no iupASSERT needed here */
return NULL;
return (Ihandle*)iupTableGet (inames_strtable, name);
}
Ihandle* IupSetHandle(const char *name, Ihandle *ih)
{
Ihandle *old_ih;
iupASSERT(name!=NULL);
if (!name)
return NULL;
old_ih = iupTableGet(inames_strtable, name);
if (ih != NULL)
{
iupTableSet(inames_strtable, name, ih, IUPTABLE_POINTER);
/* save the name in the cache if it is a valid handle */
if (iupObjectCheck(ih))
iupAttribStoreStr(ih, "_IUP_LASTHANDLENAME", name);
}
else
{
iupTableRemove(inames_strtable, name);
/* clear the name from the cache if it is a valid handle */
if (iupObjectCheck(old_ih))
iupAttribSetStr(old_ih, "_IUP_LASTHANDLENAME", NULL);
}
return old_ih;
}
int IupGetAllNames(char** names, int n)
{
int i = 0;
char* name;
if (!names || !n)
return iupTableCount(inames_strtable);
name = iupTableFirst(inames_strtable);
while (name)
{
names[i] = name;
i++;
if (i == n)
break;
name = iupTableNext(inames_strtable);
}
return i;
}
static int iNamesCountDialogs(void)
{
int i = 0;
char* name = iupTableFirst(inames_strtable);
while (name)
{
Ihandle* dlg = (Ihandle*)iupTableGetCurr(inames_strtable);
if (iupObjectCheck(dlg) && /* here must be a handle */
dlg->iclass->nativetype == IUP_TYPEDIALOG)
i++;
name = iupTableNext(inames_strtable);
}
return i;
}
int IupGetAllDialogs(char** names, int n)
{
int i = 0;
char* name;
if (!names || !n)
return iNamesCountDialogs();
name = iupTableFirst(inames_strtable);
while (name)
{
Ihandle* dlg = (Ihandle*)iupTableGetCurr(inames_strtable);
if (iupObjectCheck(dlg) && /* here must be a handle */
dlg->iclass->nativetype == IUP_TYPEDIALOG)
{
names[i] = name;
i++;
if (i == n)
break;
}
name = iupTableNext(inames_strtable);
}
return i;
}
char* IupGetName(Ihandle* ih)
{
char *name;
if (!ih) /* no iupASSERT needed here */
return NULL;
if (iupObjectCheck(ih))
{
/* check the cache first, but must be a handle */
name = iupAttribGet(ih, "_IUP_LASTHANDLENAME");
if (name)
return name;
}
/* check for an internal name */
name = iupAttribGetHandleName(ih);
if (name)
return name;
/* search for the name */
name = iupTableFirst(inames_strtable);
while (name)
{
if ((Ihandle*)iupTableGetCurr(inames_strtable) == ih)
return name;
name = iupTableNext(inames_strtable);
}
return NULL;
}
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