Sweden-Number/windows/property.c

399 lines
10 KiB
C

/*
* Window properties
*
* Copyright 1995, 1996 Alexandre Julliard
*/
#include <string.h>
#include "windef.h"
#include "wingdi.h"
#include "wine/winuser16.h"
#include "win.h"
#include "heap.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(prop);
typedef struct tagPROPERTY
{
struct tagPROPERTY *next; /* Next property in window list */
HANDLE handle; /* User's data */
LPSTR string; /* Property string (or atom) */
} PROPERTY;
#define MAX_ATOM_LEN 255
/***********************************************************************
* PROP_FindProp
*/
static PROPERTY *PROP_FindProp( HWND hwnd, LPCSTR str )
{
ATOM atom;
PROPERTY *prop;
WND *pWnd = WIN_FindWndPtr( hwnd );
if (!pWnd) return NULL;
if (HIWORD(str))
{
atom = GlobalFindAtomA( str );
for (prop = pWnd->pProp; prop; prop = prop->next)
{
if (HIWORD(prop->string))
{
if (!lstrcmpiA( prop->string, str )) goto END;
}
else if (LOWORD(prop->string) == atom) goto END;
}
}
else /* atom */
{
atom = LOWORD(str);
for (prop = pWnd->pProp; (prop); prop = prop->next)
{
if (HIWORD(prop->string))
{
if (GlobalFindAtomA( prop->string ) == atom) goto END;
}
else if (LOWORD(prop->string) == atom) goto END;
}
}
prop = NULL;
END:
WIN_ReleaseWndPtr(pWnd);
return prop;
}
/***********************************************************************
* GetPropA (USER32.@)
*/
HANDLE WINAPI GetPropA( HWND hwnd, LPCSTR str )
{
PROPERTY *prop = PROP_FindProp( hwnd, str );
if (HIWORD(str))
TRACE("(%08x,'%s'): returning %08x\n",
hwnd, str, prop ? prop->handle : 0 );
else
TRACE("(%08x,#%04x): returning %08x\n",
hwnd, LOWORD(str), prop ? prop->handle : 0 );
return prop ? prop->handle : 0;
}
/***********************************************************************
* GetPropW (USER32.@)
*/
HANDLE WINAPI GetPropW( HWND hwnd, LPCWSTR str )
{
LPSTR strA;
HANDLE ret;
if (!HIWORD(str)) return GetPropA( hwnd, (LPCSTR)(UINT)LOWORD(str) );
strA = HEAP_strdupWtoA( GetProcessHeap(), 0, str );
ret = GetPropA( hwnd, strA );
HeapFree( GetProcessHeap(), 0, strA );
return ret;
}
/***********************************************************************
* SetPropA (USER32.@)
*/
BOOL WINAPI SetPropA( HWND hwnd, LPCSTR str, HANDLE handle )
{
PROPERTY *prop;
if (HIWORD(str))
TRACE("%04x '%s' %08x\n", hwnd, str, handle );
else
TRACE("%04x #%04x %08x\n",
hwnd, LOWORD(str), handle );
if (!(prop = PROP_FindProp( hwnd, str )))
{
/* We need to create it */
WND *pWnd = WIN_FindWndPtr( hwnd );
if (!pWnd) return FALSE;
if (!(prop = HeapAlloc( GetProcessHeap(), 0, sizeof(*prop) )))
{
WIN_ReleaseWndPtr(pWnd);
return FALSE;
}
if (!(prop->string = SEGPTR_STRDUP(str)))
{
HeapFree( GetProcessHeap(), 0, prop );
WIN_ReleaseWndPtr(pWnd);
return FALSE;
}
prop->next = pWnd->pProp;
pWnd->pProp = prop;
WIN_ReleaseWndPtr(pWnd);
}
prop->handle = handle;
return TRUE;
}
/***********************************************************************
* SetPropW (USER32.@)
*/
BOOL WINAPI SetPropW( HWND hwnd, LPCWSTR str, HANDLE handle )
{
BOOL ret;
LPSTR strA;
if (!HIWORD(str))
return SetPropA( hwnd, (LPCSTR)(UINT)LOWORD(str), handle );
strA = HEAP_strdupWtoA( GetProcessHeap(), 0, str );
ret = SetPropA( hwnd, strA, handle );
HeapFree( GetProcessHeap(), 0, strA );
return ret;
}
/***********************************************************************
* RemovePropA (USER32.@)
*/
HANDLE WINAPI RemovePropA( HWND hwnd, LPCSTR str )
{
ATOM atom;
HANDLE handle;
PROPERTY **pprop, *prop;
WND *pWnd = WIN_FindWndPtr( hwnd );
if (HIWORD(str))
TRACE("%04x '%s'\n", hwnd, str );
else
TRACE("%04x #%04x\n", hwnd, LOWORD(str));
if (!pWnd) return (HANDLE)0;
if (HIWORD(str))
{
atom = GlobalFindAtomA( str );
for (pprop=(PROPERTY**)&pWnd->pProp; (*pprop); pprop = &(*pprop)->next)
{
if (HIWORD((*pprop)->string))
{
if (!lstrcmpiA( (*pprop)->string, str )) break;
}
else if (LOWORD((*pprop)->string) == atom) break;
}
}
else /* atom */
{
atom = LOWORD(str);
for (pprop=(PROPERTY**)&pWnd->pProp; (*pprop); pprop = &(*pprop)->next)
{
if (HIWORD((*pprop)->string))
{
if (GlobalFindAtomA( (*pprop)->string ) == atom) break;
}
else if (LOWORD((*pprop)->string) == atom) break;
}
}
WIN_ReleaseWndPtr(pWnd);
if (!*pprop) return 0;
prop = *pprop;
handle = prop->handle;
*pprop = prop->next;
SEGPTR_FREE(prop->string);
HeapFree( GetProcessHeap(), 0, prop );
return handle;
}
/***********************************************************************
* RemovePropW (USER32.@)
*/
HANDLE WINAPI RemovePropW( HWND hwnd, LPCWSTR str )
{
LPSTR strA;
HANDLE ret;
if (!HIWORD(str))
return RemovePropA( hwnd, (LPCSTR)(UINT)LOWORD(str) );
strA = HEAP_strdupWtoA( GetProcessHeap(), 0, str );
ret = RemovePropA( hwnd, strA );
HeapFree( GetProcessHeap(), 0, strA );
return ret;
}
/***********************************************************************
* PROPERTY_RemoveWindowProps
*
* Remove all properties of a window.
*/
void PROPERTY_RemoveWindowProps( WND *pWnd )
{
PROPERTY *prop, *next;
for (prop = pWnd->pProp; (prop); prop = next)
{
next = prop->next;
SEGPTR_FREE( prop->string );
HeapFree( GetProcessHeap(), 0, prop );
}
pWnd->pProp = NULL;
}
/***********************************************************************
* EnumProps (USER.27)
*/
INT16 WINAPI EnumProps16( HWND16 hwnd, PROPENUMPROC16 func )
{
PROPERTY *prop, *next;
WND *pWnd;
INT16 ret = -1;
TRACE("%04x %08x\n", hwnd, (UINT)func );
if (!(pWnd = WIN_FindWndPtr16( hwnd ))) return -1;
for (prop = pWnd->pProp; (prop); prop = next)
{
/* Already get the next in case the callback */
/* function removes the current property. */
next = prop->next;
/* SDK docu seems to suggest that EnumProps16 does not retrieve
* the string in case of an atom handle, in contrast to Win32 */
TRACE(" Callback: handle=%08x str=%s\n",
prop->handle, debugstr_a(prop->string) );
ret = func( hwnd, SEGPTR_GET(prop->string), prop->handle );
if (!ret) break;
}
WIN_ReleaseWndPtr(pWnd);
return ret;
}
/* relay to call the EnumProps callback function from EnumPropsEx */
static BOOL CALLBACK EnumPropsA_relay( HWND hwnd, LPCSTR str, HANDLE handle, ULONG_PTR lparam )
{
PROPENUMPROCA func = (PROPENUMPROCA)lparam;
return func( hwnd, str, handle );
}
/***********************************************************************
* EnumPropsA (USER32.@)
*/
INT WINAPI EnumPropsA( HWND hwnd, PROPENUMPROCA func )
{
return EnumPropsExA( hwnd, EnumPropsA_relay, (LPARAM)func );
}
/***********************************************************************
* EnumPropsExA (USER32.@)
*/
INT WINAPI EnumPropsExA(HWND hwnd, PROPENUMPROCEXA func, LPARAM lParam)
{
PROPERTY *prop, *next;
WND *pWnd;
INT ret = -1;
char atomStr[MAX_ATOM_LEN+1];
char *pStr;
TRACE("%04x %p %08lx\n", hwnd, func, lParam);
if (!(pWnd = WIN_FindWndPtr( hwnd ))) return -1;
for (prop = pWnd->pProp; (prop); prop = next)
{
/* Already get the next in case the callback */
/* function removes the current property. */
next = prop->next;
if (!HIWORD(prop->string))
{ /* get "real" string the atom points to.
* This seems to be done for Win32 only */
if (!(GlobalGetAtomNameA((ATOM)LOWORD(prop->string), atomStr, MAX_ATOM_LEN+1)))
{
ERR("huh ? Atom %04x not an atom ??\n", LOWORD(prop->string));
atomStr[0] = '\0';
}
pStr = atomStr;
}
else
pStr = prop->string;
TRACE(" Callback: handle=%08x str='%s'\n",
prop->handle, prop->string );
ret = func( hwnd, pStr, prop->handle, lParam );
if (!ret) break;
}
WIN_ReleaseWndPtr(pWnd);
return ret;
}
/* relay to call the EnumProps callback function from EnumPropsEx */
static BOOL CALLBACK EnumPropsW_relay( HWND hwnd, LPCWSTR str, HANDLE handle, ULONG_PTR lparam )
{
PROPENUMPROCW func = (PROPENUMPROCW)lparam;
return func( hwnd, str, handle );
}
/***********************************************************************
* EnumPropsW (USER32.@)
*/
INT WINAPI EnumPropsW( HWND hwnd, PROPENUMPROCW func )
{
return EnumPropsExW( hwnd, EnumPropsW_relay, (LPARAM)func );
}
/***********************************************************************
* EnumPropsExW (USER32.@)
*/
INT WINAPI EnumPropsExW(HWND hwnd, PROPENUMPROCEXW func, LPARAM lParam)
{
PROPERTY *prop, *next;
WND *pWnd;
INT ret = -1;
char atomStr[MAX_ATOM_LEN+1];
char *pStr;
LPWSTR strW;
TRACE("%04x %p %08lx\n", hwnd, func, lParam);
if (!(pWnd = WIN_FindWndPtr( hwnd ))) return -1;
for (prop = pWnd->pProp; (prop); prop = next)
{
/* Already get the next in case the callback */
/* function removes the current property. */
next = prop->next;
if (!HIWORD(prop->string))
{ /* get "real" string the atom points to.
* This seems to be done for Win32 only */
if (!(GlobalGetAtomNameA((ATOM)LOWORD(prop->string), atomStr, MAX_ATOM_LEN+1)))
{
ERR("huh ? Atom %04x not an atom ??\n",
(ATOM)LOWORD(prop->string));
atomStr[0] = '\0';
}
pStr = atomStr;
}
else
pStr = prop->string;
TRACE(" Callback: handle=%08x str='%s'\n",
prop->handle, prop->string );
strW = HEAP_strdupAtoW( GetProcessHeap(), 0, pStr );
ret = func( hwnd, strW, prop->handle, lParam );
HeapFree( GetProcessHeap(), 0, strW );
if (!ret) break;
}
WIN_ReleaseWndPtr(pWnd);
return ret;
}