mirror of
git://source.winehq.org/git/wine.git
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334 lines
9.5 KiB
C
334 lines
9.5 KiB
C
/*
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* USER resource functions
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*
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* Copyright 1993 Robert J. Amstadt
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* Copyright 1995, 2009 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 <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "winternl.h"
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#include "winnls.h"
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#include "wine/debug.h"
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#include "user_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(resource);
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WINE_DECLARE_DEBUG_CHANNEL(accel);
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/* this is the 8 byte accel struct used in Win32 resources (internal only) */
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typedef struct
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{
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WORD fVirt;
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WORD key;
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WORD cmd;
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WORD pad;
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} PE_ACCEL;
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/* the accelerator user object */
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struct accelerator
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{
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struct user_object obj;
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unsigned int count;
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PE_ACCEL table[1];
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};
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/**********************************************************************
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* LoadAcceleratorsW (USER32.@)
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*/
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HACCEL WINAPI LoadAcceleratorsW(HINSTANCE instance, LPCWSTR name)
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{
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struct accelerator *accel;
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const PE_ACCEL *table;
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HRSRC rsrc;
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HACCEL handle;
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DWORD count;
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if (!(rsrc = FindResourceW( instance, name, (LPWSTR)RT_ACCELERATOR ))) return 0;
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table = LoadResource( instance, rsrc );
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count = SizeofResource( instance, rsrc ) / sizeof(*table);
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if (!count) return 0;
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accel = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( struct accelerator, table[count] ));
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if (!accel) return 0;
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accel->count = count;
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memcpy( accel->table, table, count * sizeof(*table) );
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if (!(handle = alloc_user_handle( &accel->obj, USER_ACCEL )))
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HeapFree( GetProcessHeap(), 0, accel );
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TRACE_(accel)("%p %s returning %p\n", instance, debugstr_w(name), handle );
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return handle;
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}
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/***********************************************************************
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* LoadAcceleratorsA (USER32.@)
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*/
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HACCEL WINAPI LoadAcceleratorsA(HINSTANCE instance,LPCSTR lpTableName)
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{
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INT len;
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LPWSTR uni;
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HACCEL result = 0;
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if (IS_INTRESOURCE(lpTableName)) return LoadAcceleratorsW( instance, (LPCWSTR)lpTableName );
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len = MultiByteToWideChar( CP_ACP, 0, lpTableName, -1, NULL, 0 );
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if ((uni = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
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{
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MultiByteToWideChar( CP_ACP, 0, lpTableName, -1, uni, len );
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result = LoadAcceleratorsW(instance,uni);
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HeapFree( GetProcessHeap(), 0, uni);
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}
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return result;
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}
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/**********************************************************************
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* CopyAcceleratorTableA (USER32.@)
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*/
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INT WINAPI CopyAcceleratorTableA(HACCEL src, LPACCEL dst, INT count)
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{
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char ch;
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int i, ret = CopyAcceleratorTableW( src, dst, count );
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if (ret && dst)
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{
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for (i = 0; i < ret; i++)
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{
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if (dst[i].fVirt & FVIRTKEY) continue;
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WideCharToMultiByte( CP_ACP, 0, &dst[i].key, 1, &ch, 1, NULL, NULL );
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dst[i].key = ch;
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}
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}
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return ret;
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}
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/**********************************************************************
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* CopyAcceleratorTableW (USER32.@)
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*/
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INT WINAPI CopyAcceleratorTableW(HACCEL src, LPACCEL dst, INT count)
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{
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struct accelerator *accel;
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int i;
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if (!(accel = get_user_handle_ptr( src, USER_ACCEL ))) return 0;
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if (accel == OBJ_OTHER_PROCESS)
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{
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FIXME( "other process handle %p?\n", src );
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return 0;
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}
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if (dst)
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{
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if (count > accel->count) count = accel->count;
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for (i = 0; i < count; i++)
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{
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dst[i].fVirt = accel->table[i].fVirt & 0x7f;
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dst[i].key = accel->table[i].key;
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dst[i].cmd = accel->table[i].cmd;
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}
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}
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else count = accel->count;
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release_user_handle_ptr( accel );
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return count;
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}
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/*********************************************************************
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* CreateAcceleratorTableA (USER32.@)
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*/
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HACCEL WINAPI CreateAcceleratorTableA(LPACCEL lpaccel, INT count)
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{
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struct accelerator *accel;
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HACCEL handle;
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int i;
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if (count < 1)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return 0;
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}
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accel = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( struct accelerator, table[count] ));
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if (!accel) return 0;
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accel->count = count;
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for (i = 0; i < count; i++)
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{
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accel->table[i].fVirt = lpaccel[i].fVirt;
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accel->table[i].cmd = lpaccel[i].cmd;
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if (!(lpaccel[i].fVirt & FVIRTKEY))
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{
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char ch = lpaccel[i].key;
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MultiByteToWideChar( CP_ACP, 0, &ch, 1, &accel->table[i].key, 1 );
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}
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else accel->table[i].key = lpaccel[i].key;
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}
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if (!(handle = alloc_user_handle( &accel->obj, USER_ACCEL )))
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HeapFree( GetProcessHeap(), 0, accel );
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TRACE_(accel)("returning %p\n", handle );
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return handle;
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}
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/*********************************************************************
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* CreateAcceleratorTableW (USER32.@)
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*/
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HACCEL WINAPI CreateAcceleratorTableW(LPACCEL lpaccel, INT count)
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{
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struct accelerator *accel;
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HACCEL handle;
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int i;
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if (count < 1)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return 0;
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}
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accel = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( struct accelerator, table[count] ));
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if (!accel) return 0;
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accel->count = count;
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for (i = 0; i < count; i++)
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{
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accel->table[i].fVirt = lpaccel[i].fVirt;
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accel->table[i].key = lpaccel[i].key;
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accel->table[i].cmd = lpaccel[i].cmd;
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}
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if (!(handle = alloc_user_handle( &accel->obj, USER_ACCEL )))
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HeapFree( GetProcessHeap(), 0, accel );
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TRACE_(accel)("returning %p\n", handle );
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return handle;
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}
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/******************************************************************************
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* DestroyAcceleratorTable [USER32.@]
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* Destroys an accelerator table
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*
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* PARAMS
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* handle [I] Handle to accelerator table
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*/
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BOOL WINAPI DestroyAcceleratorTable( HACCEL handle )
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{
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struct accelerator *accel;
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if (!(accel = free_user_handle( handle, USER_ACCEL ))) return FALSE;
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if (accel == OBJ_OTHER_PROCESS)
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{
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FIXME( "other process handle %p?\n", accel );
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return FALSE;
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}
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return HeapFree( GetProcessHeap(), 0, accel );
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}
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/**********************************************************************
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* LoadStringW (USER32.@)
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*/
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INT WINAPI DECLSPEC_HOTPATCH LoadStringW( HINSTANCE instance, UINT resource_id,
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LPWSTR buffer, INT buflen )
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{
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HGLOBAL hmem;
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HRSRC hrsrc;
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WCHAR *p;
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int string_num;
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int i;
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TRACE("instance = %p, id = %04x, buffer = %p, length = %d\n",
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instance, resource_id, buffer, buflen);
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if(buffer == NULL)
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return 0;
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/* Use loword (incremented by 1) as resourceid */
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hrsrc = FindResourceW( instance, MAKEINTRESOURCEW((LOWORD(resource_id) >> 4) + 1),
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(LPWSTR)RT_STRING );
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if (!hrsrc) return 0;
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hmem = LoadResource( instance, hrsrc );
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if (!hmem) return 0;
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p = LockResource(hmem);
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string_num = resource_id & 0x000f;
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for (i = 0; i < string_num; i++)
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p += *p + 1;
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TRACE("strlen = %d\n", (int)*p );
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/*if buflen == 0, then return a read-only pointer to the resource itself in buffer
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it is assumed that buffer is actually a (LPWSTR *) */
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if(buflen == 0)
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{
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*((LPWSTR *)buffer) = p + 1;
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return *p;
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}
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i = min(buflen - 1, *p);
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if (i > 0) {
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memcpy(buffer, p + 1, i * sizeof (WCHAR));
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buffer[i] = 0;
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} else {
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if (buflen > 1) {
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buffer[0] = 0;
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return 0;
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}
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}
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TRACE("%s loaded !\n", debugstr_w(buffer));
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return i;
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}
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/**********************************************************************
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* LoadStringA (USER32.@)
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*/
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INT WINAPI DECLSPEC_HOTPATCH LoadStringA( HINSTANCE instance, UINT resource_id, LPSTR buffer, INT buflen )
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{
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HGLOBAL hmem;
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HRSRC hrsrc;
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DWORD retval = 0;
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TRACE("instance = %p, id = %04x, buffer = %p, length = %d\n",
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instance, resource_id, buffer, buflen);
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if (!buflen) return -1;
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/* Use loword (incremented by 1) as resourceid */
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if ((hrsrc = FindResourceW( instance, MAKEINTRESOURCEW((LOWORD(resource_id) >> 4) + 1),
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(LPWSTR)RT_STRING )) &&
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(hmem = LoadResource( instance, hrsrc )))
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{
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const WCHAR *p = LockResource(hmem);
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unsigned int id = resource_id & 0x000f;
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while (id--) p += *p + 1;
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RtlUnicodeToMultiByteN( buffer, buflen - 1, &retval, p + 1, *p * sizeof(WCHAR) );
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}
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buffer[retval] = 0;
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TRACE("returning %s\n", debugstr_a(buffer));
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return retval;
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}
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/**********************************************************************
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* GetGuiResources (USER32.@)
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*/
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DWORD WINAPI GetGuiResources( HANDLE hProcess, DWORD uiFlags )
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{
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static BOOL warn = TRUE;
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if (warn) {
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FIXME("(%p,%x): stub\n",hProcess,uiFlags);
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warn = FALSE;
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}
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SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
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return 0;
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}
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