298 lines
8.4 KiB
C
298 lines
8.4 KiB
C
/*
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* Window properties
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*
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* Copyright 1995, 1996, 2001 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "wownt32.h"
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#include "wine/unicode.h"
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#include "wine/winuser16.h"
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#include "wine/server.h"
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/* size of buffer needed to store an atom string */
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#define ATOM_BUFFER_SIZE 256
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/***********************************************************************
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* get_properties
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*
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* Retrieve the list of properties of a given window.
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* Returned buffer must be freed by caller.
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*/
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static property_data_t *get_properties( HWND hwnd, int *count )
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{
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property_data_t *data;
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int total = 32;
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while (total)
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{
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int res = 0;
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if (!(data = HeapAlloc( GetProcessHeap(), 0, total * sizeof(*data) ))) break;
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*count = 0;
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SERVER_START_REQ( get_window_properties )
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{
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req->window = hwnd;
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wine_server_set_reply( req, data, total * sizeof(*data) );
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if (!wine_server_call( req )) res = reply->total;
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}
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SERVER_END_REQ;
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if (res && res <= total)
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{
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*count = res;
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return data;
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}
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HeapFree( GetProcessHeap(), 0, data );
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total = res; /* restart with larger buffer */
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}
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return NULL;
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}
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/***********************************************************************
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* EnumPropsA_relay
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*
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* relay to call the EnumProps callback function from EnumPropsEx
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*/
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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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* EnumPropsW_relay
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*
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* relay to call the EnumProps callback function from EnumPropsEx
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*/
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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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* 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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* 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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* 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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WCHAR buffer[ATOM_BUFFER_SIZE];
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if (!HIWORD(str)) return GetPropW( hwnd, (LPCWSTR)str );
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if (!MultiByteToWideChar( CP_ACP, 0, str, -1, buffer, ATOM_BUFFER_SIZE )) return 0;
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return GetPropW( hwnd, buffer );
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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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HANDLE ret = 0;
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SERVER_START_REQ( get_window_property )
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{
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req->window = hwnd;
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if (!HIWORD(str)) req->atom = LOWORD(str);
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else wine_server_add_data( req, str, strlenW(str) * sizeof(WCHAR) );
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if (!wine_server_call_err( req )) ret = reply->handle;
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}
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SERVER_END_REQ;
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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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WCHAR buffer[ATOM_BUFFER_SIZE];
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if (!HIWORD(str)) return SetPropW( hwnd, (LPCWSTR)str, handle );
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if (!MultiByteToWideChar( CP_ACP, 0, str, -1, buffer, ATOM_BUFFER_SIZE )) return FALSE;
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return SetPropW( hwnd, buffer, handle );
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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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SERVER_START_REQ( set_window_property )
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{
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req->window = hwnd;
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req->handle = handle;
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if (!HIWORD(str)) req->atom = LOWORD(str);
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else wine_server_add_data( req, str, strlenW(str) * sizeof(WCHAR) );
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ret = !wine_server_call_err( req );
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}
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SERVER_END_REQ;
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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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WCHAR buffer[ATOM_BUFFER_SIZE];
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if (!HIWORD(str)) return RemovePropW( hwnd, (LPCWSTR)str );
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if (!MultiByteToWideChar( CP_ACP, 0, str, -1, buffer, ATOM_BUFFER_SIZE )) return 0;
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return RemovePropW( hwnd, buffer );
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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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HANDLE ret = 0;
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SERVER_START_REQ( remove_window_property )
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{
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req->window = hwnd;
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if (!HIWORD(str)) req->atom = LOWORD(str);
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else wine_server_add_data( req, str, strlenW(str) * sizeof(WCHAR) );
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if (!wine_server_call_err( req )) ret = reply->handle;
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}
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SERVER_END_REQ;
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return ret;
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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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int ret = -1, i, count;
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property_data_t *list = get_properties( hwnd, &count );
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if (list)
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{
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for (i = 0; i < count; i++)
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{
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char string[ATOM_BUFFER_SIZE];
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if (!GlobalGetAtomNameA( list[i].atom, string, ATOM_BUFFER_SIZE )) continue;
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if (!(ret = func( hwnd, string, list[i].handle, lParam ))) break;
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}
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HeapFree( GetProcessHeap(), 0, list );
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}
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return ret;
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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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int ret = -1, i, count;
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property_data_t *list = get_properties( hwnd, &count );
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if (list)
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{
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for (i = 0; i < count; i++)
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{
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WCHAR string[ATOM_BUFFER_SIZE];
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if (!GlobalGetAtomNameW( list[i].atom, string, ATOM_BUFFER_SIZE )) continue;
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if (!(ret = func( hwnd, string, list[i].handle, lParam ))) break;
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}
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HeapFree( GetProcessHeap(), 0, list );
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}
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return ret;
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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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int ret = -1, i, count;
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property_data_t *list = get_properties( HWND_32(hwnd), &count );
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if (list)
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{
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char string[ATOM_BUFFER_SIZE];
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SEGPTR segptr = MapLS( string );
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WORD args[4];
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DWORD result;
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for (i = 0; i < count; i++)
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{
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if (list[i].string) /* it was a string originally */
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{
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if (!GlobalGetAtomNameA( list[i].atom, string, ATOM_BUFFER_SIZE )) continue;
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args[3] = hwnd;
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args[2] = SELECTOROF(segptr);
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args[1] = OFFSETOF(segptr);
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args[0] = LOWORD(list[i].handle);
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}
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else
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{
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args[3] = hwnd;
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args[2] = 0;
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args[1] = list[i].atom;
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args[0] = LOWORD(list[i].handle);
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}
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WOWCallback16Ex( (DWORD)func, WCB16_PASCAL, sizeof(args), args, &result );
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if (!(ret = LOWORD(result))) break;
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}
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UnMapLS( segptr );
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HeapFree( GetProcessHeap(), 0, list );
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}
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return ret;
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}
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