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