420 lines
11 KiB
C
420 lines
11 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 Alexandre Julliard
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*/
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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 "winnls.h"
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#include "wine/winbase16.h"
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#include "wine/winuser16.h"
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#include "heap.h"
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#include "ldt.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(resource);
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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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BYTE fVirt;
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BYTE pad0;
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WORD key;
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WORD cmd;
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WORD pad1;
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} PE_ACCEL, *LPPE_ACCEL;
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/**********************************************************************
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* LoadAccelerators16 [USER.177]
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*/
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HACCEL16 WINAPI LoadAccelerators16(HINSTANCE16 instance, LPCSTR lpTableName)
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{
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HRSRC16 hRsrc;
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TRACE_(accel)("%04x %s\n", instance, debugres_a(lpTableName) );
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if (!(hRsrc = FindResource16( instance, lpTableName, RT_ACCELERATORA ))) {
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WARN_(accel)("couldn't find accelerator table resource\n");
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return 0;
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}
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TRACE_(accel)("returning HACCEL 0x%x\n", hRsrc);
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return LoadResource16(instance,hRsrc);
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}
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/**********************************************************************
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* LoadAcceleratorsW (USER32.356)
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* The image layout seems to look like this (not 100% sure):
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* 00: BYTE type type of accelerator
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* 01: BYTE pad (to WORD boundary)
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* 02: WORD event
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* 04: WORD IDval
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* 06: WORD pad (to DWORD boundary)
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*/
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HACCEL WINAPI LoadAcceleratorsW(HINSTANCE instance,LPCWSTR lpTableName)
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{
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HRSRC hRsrc;
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HACCEL hMem,hRetval=0;
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DWORD size;
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if (HIWORD(lpTableName))
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TRACE_(accel)("%p '%s'\n",
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(LPVOID)instance, (char *)( lpTableName ) );
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else
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TRACE_(accel)("%p 0x%04x\n",
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(LPVOID)instance, LOWORD(lpTableName) );
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if (!(hRsrc = FindResourceW( instance, lpTableName, RT_ACCELERATORW )))
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{
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WARN_(accel)("couldn't find accelerator table resource\n");
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} else {
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hMem = LoadResource( instance, hRsrc );
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size = SizeofResource( instance, hRsrc );
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if(size>=sizeof(PE_ACCEL))
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{
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LPPE_ACCEL accel_table = (LPPE_ACCEL) hMem;
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LPACCEL16 accel16;
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int i,nrofaccells = size/sizeof(PE_ACCEL);
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hRetval = GlobalAlloc16(0,sizeof(ACCEL16)*nrofaccells);
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accel16 = (LPACCEL16)GlobalLock16(hRetval);
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for (i=0;i<nrofaccells;i++) {
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accel16[i].fVirt = accel_table[i].fVirt;
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accel16[i].key = accel_table[i].key;
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accel16[i].cmd = accel_table[i].cmd;
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}
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accel16[i-1].fVirt |= 0x80;
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}
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}
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TRACE_(accel)("returning HACCEL 0x%x\n", hRsrc);
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return hRetval;
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}
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/***********************************************************************
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* LoadAcceleratorsA (USER32.355)
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*/
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HACCEL WINAPI LoadAcceleratorsA(HINSTANCE instance,LPCSTR lpTableName)
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{
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LPWSTR uni;
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HACCEL result;
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if (HIWORD(lpTableName))
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uni = HEAP_strdupAtoW( GetProcessHeap(), 0, lpTableName );
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else
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uni = (LPWSTR)lpTableName;
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result = LoadAcceleratorsW(instance,uni);
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if (HIWORD(uni)) HeapFree( GetProcessHeap(), 0, uni);
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return result;
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}
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/**********************************************************************
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* CopyAcceleratorTableA (USER32.58)
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*/
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INT WINAPI CopyAcceleratorTableA(HACCEL src, LPACCEL dst, INT entries)
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{
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return CopyAcceleratorTableW(src, dst, entries);
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}
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/**********************************************************************
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* CopyAcceleratorTableW (USER32.59)
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*
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* By mortene@pvv.org 980321
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*/
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INT WINAPI CopyAcceleratorTableW(HACCEL src, LPACCEL dst,
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INT entries)
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{
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int i,xsize;
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LPACCEL16 accel = (LPACCEL16)GlobalLock16(src);
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BOOL done = FALSE;
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/* Do parameter checking to avoid the explosions and the screaming
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as far as possible. */
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if((dst && (entries < 1)) || (src == (HACCEL)NULL) || !accel) {
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WARN_(accel)("Application sent invalid parameters (%p %p %d).\n",
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(LPVOID)src, (LPVOID)dst, entries);
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return 0;
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}
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xsize = GlobalSize16(src)/sizeof(ACCEL16);
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if (xsize>entries) entries=xsize;
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i=0;
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while(!done) {
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/* Spit out some debugging information. */
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TRACE_(accel)("accel %d: type 0x%02x, event '%c', IDval 0x%04x.\n",
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i, accel[i].fVirt, accel[i].key, accel[i].cmd);
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/* Copy data to the destination structure array (if dst == NULL,
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we're just supposed to count the number of entries). */
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if(dst) {
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dst[i].fVirt = accel[i].fVirt;
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dst[i].key = accel[i].key;
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dst[i].cmd = accel[i].cmd;
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/* Check if we've reached the end of the application supplied
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accelerator table. */
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if(i+1 == entries) {
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/* Turn off the high order bit, just in case. */
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dst[i].fVirt &= 0x7f;
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done = TRUE;
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}
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}
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/* The highest order bit seems to mark the end of the accelerator
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resource table, but not always. Use GlobalSize() check too. */
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if((accel[i].fVirt & 0x80) != 0) done = TRUE;
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i++;
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}
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return i;
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}
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/*********************************************************************
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* CreateAcceleratorTableA (USER32.64)
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*
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* By mortene@pvv.org 980321
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*/
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HACCEL WINAPI CreateAcceleratorTableA(LPACCEL lpaccel, INT cEntries)
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{
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HACCEL hAccel;
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LPACCEL16 accel;
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int i;
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/* Do parameter checking just in case someone's trying to be
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funny. */
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if(cEntries < 1) {
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WARN_(accel)("Application sent invalid parameters (%p %d).\n",
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lpaccel, cEntries);
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SetLastError(ERROR_INVALID_PARAMETER);
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return (HACCEL)NULL;
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}
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FIXME_(accel)("should check that the accelerator descriptions are valid,"
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" return NULL and SetLastError() if not.\n");
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/* Allocate memory and copy the table. */
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hAccel = GlobalAlloc16(0,cEntries*sizeof(ACCEL16));
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TRACE_(accel)("handle %x\n", hAccel);
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if(!hAccel) {
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ERR_(accel)("Out of memory.\n");
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return (HACCEL)NULL;
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}
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accel = GlobalLock16(hAccel);
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for (i=0;i<cEntries;i++) {
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accel[i].fVirt = lpaccel[i].fVirt;
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accel[i].key = lpaccel[i].key;
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accel[i].cmd = lpaccel[i].cmd;
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}
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/* Set the end-of-table terminator. */
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accel[cEntries-1].fVirt |= 0x80;
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TRACE_(accel)("Allocated accelerator handle %x\n", hAccel);
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return hAccel;
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}
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/*********************************************************************
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* CreateAcceleratorTableW (USER32.64)
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*
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*
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*/
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HACCEL WINAPI CreateAcceleratorTableW(LPACCEL lpaccel, INT cEntries)
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{
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HACCEL hAccel;
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LPACCEL16 accel;
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int i;
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char ckey;
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/* Do parameter checking just in case someone's trying to be
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funny. */
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if(cEntries < 1) {
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WARN_(accel)("Application sent invalid parameters (%p %d).\n",
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lpaccel, cEntries);
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SetLastError(ERROR_INVALID_PARAMETER);
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return (HACCEL)NULL;
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}
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FIXME_(accel)("should check that the accelerator descriptions are valid,"
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" return NULL and SetLastError() if not.\n");
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/* Allocate memory and copy the table. */
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hAccel = GlobalAlloc16(0,cEntries*sizeof(ACCEL16));
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TRACE_(accel)("handle %x\n", hAccel);
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if(!hAccel) {
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ERR_(accel)("Out of memory.\n");
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return (HACCEL)NULL;
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}
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accel = GlobalLock16(hAccel);
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for (i=0;i<cEntries;i++) {
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accel[i].fVirt = lpaccel[i].fVirt;
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if( !(accel[i].fVirt & FVIRTKEY) ) {
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ckey = (char) lpaccel[i].key;
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if(!MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, &ckey, 1, &accel[i].key, 1))
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WARN_(accel)("Error converting ASCII accelerator table to Unicode");
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}
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else
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accel[i].key = lpaccel[i].key;
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accel[i].cmd = lpaccel[i].cmd;
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}
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/* Set the end-of-table terminator. */
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accel[cEntries-1].fVirt |= 0x80;
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TRACE_(accel)("Allocated accelerator handle %x\n", hAccel);
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return hAccel;
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}
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/******************************************************************************
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* DestroyAcceleratorTable [USER32.130]
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* Destroys an accelerator table
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*
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* NOTES
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* By mortene@pvv.org 980321
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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 STD
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*/
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BOOL WINAPI DestroyAcceleratorTable( HACCEL handle )
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{
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return !GlobalFree16(handle);
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}
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/**********************************************************************
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* LoadString16 (USER.176)
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*/
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INT16 WINAPI LoadString16( HINSTANCE16 instance, UINT16 resource_id,
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LPSTR buffer, INT16 buflen )
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{
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HGLOBAL16 hmem;
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HRSRC16 hrsrc;
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unsigned char *p;
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int string_num;
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int i;
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TRACE("inst=%04x id=%04x buff=%08x len=%d\n",
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instance, resource_id, (int) buffer, buflen);
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hrsrc = FindResource16( instance, (LPCSTR)((resource_id>>4)+1), RT_STRINGA );
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if (!hrsrc) return 0;
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hmem = LoadResource16( instance, hrsrc );
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if (!hmem) return 0;
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p = LockResource16(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 (buffer == NULL) return *p;
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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);
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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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WARN("Dont know why caller give buflen=%d *p=%d trying to obtain string '%s'\n", buflen, *p, p + 1);
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}
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FreeResource16( hmem );
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TRACE("'%s' loaded !\n", buffer);
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return i;
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}
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/**********************************************************************
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* LoadStringW (USER32.376)
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*/
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INT WINAPI 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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if (HIWORD(resource_id)==0xFFFF) /* netscape 3 passes this */
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resource_id = (UINT)(-((INT)resource_id));
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TRACE("instance = %04x, id = %04x, buffer = %08x, "
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"length = %d\n", instance, (int)resource_id, (int) buffer, buflen);
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/* Use bits 4 - 19 (incremented by 1) as resourceid, mask out
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* 20 - 31. */
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hrsrc = FindResourceW( instance, (LPCWSTR)(((resource_id>>4)&0xffff)+1),
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RT_STRINGW );
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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 (buffer == NULL) return *p;
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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] = (WCHAR) 0;
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} else {
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if (buflen > 1) {
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buffer[0] = (WCHAR) 0;
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return 0;
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}
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#if 0
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WARN("Dont know why caller give buflen=%d *p=%d trying to obtain string '%s'\n", buflen, *p, p + 1);
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#endif
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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 (USER32.375)
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*/
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INT WINAPI LoadStringA( HINSTANCE instance, UINT resource_id,
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LPSTR buffer, INT buflen )
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{
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INT retval;
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LPWSTR wbuf;
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TRACE("instance = %04x, id = %04x, buffer = %08x, "
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"length = %d\n", instance, (int)resource_id, (int) buffer, buflen);
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if(buffer == NULL) /* asked size of string */
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return LoadStringW(instance, resource_id, NULL, 0);
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wbuf = HeapAlloc(GetProcessHeap(), 0, buflen * sizeof(WCHAR));
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if(!wbuf)
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return 0;
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retval = LoadStringW(instance, resource_id, wbuf, buflen);
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if(retval != 0)
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{
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retval = WideCharToMultiByte(CP_ACP, 0, wbuf, retval, buffer, buflen - 1, NULL, NULL);
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buffer[retval] = 0;
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TRACE("%s loaded !\n", debugstr_a(buffer));
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}
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else buffer[0] = 0; /* no check of buflen here */
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HeapFree( GetProcessHeap(), 0, wbuf );
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return retval;
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}
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