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user.c
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/*
* Misc 16-bit USER functions
*
* Copyright 1993, 1996 Alexandre Julliard
* Copyright 2002 Patrik Stridvall
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#define OEMRESOURCE
#include "wine/winuser16.h"
#include "windef.h"
#include "winbase.h"
#include "wownt32.h"
#include "user_private.h"
#include "wine/list.h"
#include "wine/debug.h"
#include "winver.h"
#define COBJMACROS
#include "shldisp.h"
#include "wine/exception.h"
WINE_DEFAULT_DEBUG_CHANNEL(user);
/* handle to handle 16 conversions */
#define HANDLE_16(h32) HWND_16(h32) /* (LOWORD(h32)) */
#define HGDIOBJ_16(h32) HDC_16(h32) /* (LOWORD(h32)) */
/* handle16 to handle conversions */
#define HANDLE_32(h16) HWND_32(h16) /* ((HANDLE)(ULONG_PTR)(h16)) */
#define HGDIOBJ_32(h16) HDC_32(h16) /* ((HGDIOBJ)(ULONG_PTR)(h16)) */
#define IS_MENU_STRING_ITEM(flags) \
(((flags) & (MF_STRING | MF_BITMAP | MF_OWNERDRAW | MF_SEPARATOR)) == MF_STRING)
/* UserSeeUserDo parameters */
#define USUD_LOCALALLOC 0x0001
#define USUD_LOCALFREE 0x0002
#define USUD_LOCALCOMPACT 0x0003
#define USUD_LOCALHEAP 0x0004
#define USUD_FIRSTCLASS 0x0005
#define CID_RESOURCE 0x0001
#define CID_WIN32 0x0004
#define CID_NONSHARED 0x0008
WORD USER_HeapSel = 0; /* USER heap selector */
static HINSTANCE16 gdi_inst;
struct gray_string_info
{
GRAYSTRINGPROC16 proc;
LPARAM param;
char str[1];
};
/* KRNL386 */
BOOL16 WINAPI IsOldWindowsTask(HINSTANCE16 hInst);
/* callback for 16-bit gray string proc with opaque pointer */
static BOOL CALLBACK gray_string_callback( HDC hdc, LPARAM param, INT len )
{
const struct gray_string_info *info = (struct gray_string_info *)param;
WORD args[4];
DWORD ret;
args[3] = HDC_16(hdc);
args[2] = HIWORD(info->param);
args[1] = LOWORD(info->param);
args[0] = len;
WOWCallback16Ex( (DWORD)info->proc, WCB16_PASCAL, sizeof(args), args, &ret );
return LOWORD(ret);
}
/* callback for 16-bit gray string proc with string pointer */
static BOOL CALLBACK gray_string_callback_ptr( HDC hdc, LPARAM param, INT len )
{
const struct gray_string_info *info = CONTAINING_RECORD( (void *)param, struct gray_string_info, str );
return gray_string_callback( hdc, (LPARAM)info, len );
}
struct draw_state_info
{
DRAWSTATEPROC16 proc;
LPARAM param;
};
/* callback for 16-bit DrawState functions */
static BOOL CALLBACK draw_state_callback( HDC hdc, LPARAM lparam, WPARAM wparam, int cx, int cy )
{
const struct draw_state_info *info = (struct draw_state_info *)lparam;
WORD args[6];
DWORD ret;
args[5] = HDC_16(hdc);
args[4] = HIWORD(info->param);
args[3] = LOWORD(info->param);
args[2] = wparam;
args[1] = cx;
args[0] = cy;
WOWCallback16Ex( (DWORD)info->proc, WCB16_PASCAL, sizeof(args), args, &ret );
return LOWORD(ret);
}
/* This function is a copy of the one in objects/font.c */
static void logfont_32_to_16( const LOGFONTA* font32, LPLOGFONT16 font16 )
{
font16->lfHeight = font32->lfHeight;
font16->lfWidth = font32->lfWidth;
font16->lfEscapement = font32->lfEscapement;
font16->lfOrientation = font32->lfOrientation;
font16->lfWeight = font32->lfWeight;
font16->lfItalic = font32->lfItalic;
font16->lfUnderline = font32->lfUnderline;
font16->lfStrikeOut = font32->lfStrikeOut;
font16->lfCharSet = font32->lfCharSet;
font16->lfOutPrecision = font32->lfOutPrecision;
font16->lfClipPrecision = font32->lfClipPrecision;
font16->lfQuality = font32->lfQuality;
font16->lfPitchAndFamily = font32->lfPitchAndFamily;
lstrcpynA( font16->lfFaceName, font32->lfFaceName, LF_FACESIZE );
//SYSTEM FONT
//lstrcpynA(font16->lfFaceName, "SYSTEM", LF_FACESIZE);
}
static int get_bitmap_width_bytes( int width, int bpp )
{
switch(bpp)
{
case 1:
return 2 * ((width+15) / 16);
case 4:
return 2 * ((width+3) / 4);
case 24:
width *= 3;
/* fall through */
case 8:
return width + (width & 1);
case 16:
case 15:
return width * 2;
case 32:
return width * 4;
default:
WARN("Unknown depth %d, please report.\n", bpp );
}
return -1;
}
static HPALETTE realizedpal = 0;
int WINAPI set_realized_palette(HDC hdc)
{
HPALETTE hpal = GetCurrentObject(hdc, OBJ_PAL);
if (!hpal)
return 0;
realizedpal = hpal;
return GetPaletteEntries(hpal, 0, 0, NULL); //TODO: adjust palette for usage
}
HPALETTE WINAPI get_realized_palette()
{
if (!realizedpal || (GetObjectType(realizedpal) != OBJ_PAL))
{
realizedpal = 0;
return GetStockObject(DEFAULT_PALETTE);
}
return realizedpal;
}
/***********************************************************************
* Helper for wsprintf16
*/
#define WPRINTF_LEFTALIGN 0x0001 /* Align output on the left ('-' prefix) */
#define WPRINTF_PREFIX_HEX 0x0002 /* Prefix hex with 0x ('#' prefix) */
#define WPRINTF_ZEROPAD 0x0004 /* Pad with zeros ('0' prefix) */
#define WPRINTF_LONG 0x0008 /* Long arg ('l' prefix) */
#define WPRINTF_SHORT 0x0010 /* Short arg ('h' prefix) */
#define WPRINTF_UPPER_HEX 0x0020 /* Upper-case hex ('X' specifier) */
typedef enum
{
WPR_UNKNOWN,
WPR_CHAR,
WPR_STRING,
WPR_SIGNED,
WPR_UNSIGNED,
WPR_HEXA
} WPRINTF_TYPE;
typedef struct
{
UINT flags;
UINT width;
UINT precision;
WPRINTF_TYPE type;
} WPRINTF_FORMAT;
static INT parse_format( LPCSTR format, WPRINTF_FORMAT *res )
{
LPCSTR p = format;
res->flags = 0;
res->width = 0;
res->precision = 0;
if (*p == '-') { res->flags |= WPRINTF_LEFTALIGN; p++; }
if (*p == '#') { res->flags |= WPRINTF_PREFIX_HEX; p++; }
if (*p == '0') { res->flags |= WPRINTF_ZEROPAD; p++; }
while ((*p >= '0') && (*p <= '9')) /* width field */
{
res->width = res->width * 10 + *p - '0';
p++;
}
if (*p == '.') /* precision field */
{
p++;
while ((*p >= '0') && (*p <= '9'))
{
res->precision = res->precision * 10 + *p - '0';
p++;
}
}
if (*p == 'l') { res->flags |= WPRINTF_LONG; p++; }
else if (*p == 'h') { res->flags |= WPRINTF_SHORT; p++; }
switch(*p)
{
case 'c':
case 'C': /* no Unicode in Win16 */
res->type = WPR_CHAR;
break;
case 's':
case 'S':
res->type = WPR_STRING;
break;
case 'd':
case 'i':
res->type = WPR_SIGNED;
break;
case 'u':
res->type = WPR_UNSIGNED;
break;
case 'p':
res->width = 8;
res->flags |= WPRINTF_ZEROPAD;
/* fall through */
case 'X':
res->flags |= WPRINTF_UPPER_HEX;
/* fall through */
case 'x':
res->type = WPR_HEXA;
break;
default: /* unknown format char */
res->type = WPR_UNKNOWN;
p--; /* print format as normal char */
break;
}
return (INT)(p - format) + 1;
}
/**********************************************************************
* Management of the 16-bit cursors and icons
*/
struct cache_entry
{
struct list entry;
HINSTANCE16 inst;
HRSRC16 rsrc;
HRSRC16 group;
HICON16 icon;
INT count;
};
static struct list icon_cache = LIST_INIT( icon_cache );
static const WORD ICON_HOTSPOT = 0x4242;
static HICON16 alloc_icon_handle( unsigned int size )
{
HGLOBAL16 handle = GlobalAlloc16( GMEM_MOVEABLE, size + sizeof(ULONG_PTR) );
char *ptr = GlobalLock16( handle );
memset( ptr + size, 0, sizeof(ULONG_PTR) );
GlobalUnlock16( handle );
FarSetOwner16( handle, 0 );
return handle;
}
static CURSORICONINFO *get_icon_ptr( HICON16 handle )
{
return GlobalLock16( handle );
}
static void release_icon_ptr( HICON16 handle, CURSORICONINFO *ptr )
{
GlobalUnlock16( handle );
}
static HICON store_icon_32( HICON16 icon16, HICON icon )
{
HICON ret = 0;
CURSORICONINFO *ptr = get_icon_ptr( icon16 );
if (ptr)
{
unsigned int and_size = ptr->nHeight * get_bitmap_width_bytes( ptr->nWidth, 1 );
unsigned int xor_size = ptr->nHeight * get_bitmap_width_bytes( ptr->nWidth, ptr->bBitsPerPixel );
if (GlobalSize16( icon16 ) >= sizeof(*ptr) + sizeof(ULONG_PTR) + and_size + xor_size )
{
memcpy( &ret, (char *)(ptr + 1) + and_size + xor_size, sizeof(ret) );
memcpy( (char *)(ptr + 1) + and_size + xor_size, &icon, sizeof(icon) );
wow_handlers32.set_icon_param( icon, icon16 );
}
release_icon_ptr( icon16, ptr );
}
return ret;
}
static int free_icon_handle( HICON16 handle )
{
HICON icon32;
if ((icon32 = wow_handlers32.get_icon_param( handle ))) DestroyIcon( icon32 );
wow_handlers32.set_icon_param( handle, 0);
return GlobalFree16( handle );
}
/* retrieve the 32-bit counterpart of a 16-bit icon, creating it if needed */
HICON get_icon_32( HICON16 icon16 )
{
HICON ret = 0;
CURSORICONINFO *ptr = get_icon_ptr( icon16 );
if (ptr)
{
unsigned int and_size = ptr->nHeight * get_bitmap_width_bytes( ptr->nWidth, 1 );
unsigned int xor_size = ptr->nHeight * get_bitmap_width_bytes( ptr->nWidth, ptr->bBitsPerPixel );
if (GlobalSize16( icon16 ) >= sizeof(*ptr) + sizeof(ULONG_PTR) + xor_size + and_size )
{
memcpy( &ret, (char *)(ptr + 1) + xor_size + and_size, sizeof(ret) );
if (!ret)
{
ICONINFO iinfo;
iinfo.fIcon = (ptr->ptHotSpot.x == ICON_HOTSPOT) && (ptr->ptHotSpot.y == ICON_HOTSPOT);
iinfo.xHotspot = ptr->ptHotSpot.x;
iinfo.yHotspot = ptr->ptHotSpot.y;
if ((ptr->bBitsPerPixel * ptr->bPlanes) > 1)
{
iinfo.hbmMask = CreateBitmap( ptr->nWidth, ptr->nHeight, 1, 1, ptr + 1 );
iinfo.hbmColor = CreateBitmap( ptr->nWidth, ptr->nHeight, ptr->bPlanes, ptr->bBitsPerPixel,
(char *)(ptr + 1) + and_size );
}
else
{
iinfo.hbmMask = CreateBitmap( ptr->nWidth, ptr->nHeight * 2, 1, 1, ptr + 1 );
iinfo.hbmColor = NULL;
}
ret = CreateIconIndirect( &iinfo );
DeleteObject( iinfo.hbmMask );
if (iinfo.hbmColor)
DeleteObject( iinfo.hbmColor );
memcpy( (char *)(ptr + 1) + xor_size + and_size, &ret, sizeof(ret) );
wow_handlers32.set_icon_param( ret, icon16 );
}
}
release_icon_ptr( icon16, ptr );
}
return ret;
}
struct hicons
{
HICON oldicon;
HICON newicon;
};
BOOL CALLBACK enum_cur_wnd(HWND hwnd, LPARAM lparam)
{
struct hicons *icons = (struct hicons *)lparam;
if (GetClassLongA(hwnd, GCL_HCURSOR) == icons->oldicon)
SetClassLongA(hwnd, GCL_HCURSOR, icons->newicon);
return TRUE;
}
void regen_icon(HICON16 icon)
{
CURSORICONINFO *ptr = get_icon_ptr( icon );
if (ptr)
{
unsigned int and_size = ptr->nHeight * get_bitmap_width_bytes( ptr->nWidth, 1 );
unsigned int xor_size = ptr->nHeight * get_bitmap_width_bytes( ptr->nWidth, ptr->bBitsPerPixel );
if (GlobalSize16( icon ) >= sizeof(*ptr) + sizeof(ULONG_PTR) + xor_size + and_size )
{
DWORD *hiconptr = (DWORD *)((char *)(ptr + 1) + xor_size + and_size);
HICON oldicon = *(HICON *)hiconptr, newicon;
if (oldicon)
{
*hiconptr = 0;
if (newicon = get_icon_32(icon))
{
struct hicons icons = {oldicon, newicon};
// TODO: all window classes
EnumThreadWindows(GetCurrentThreadId(), enum_cur_wnd, (LPARAM)&icons);
if (GetCursor() == oldicon)
SetCursor(newicon);
DestroyIcon(oldicon);
}
else
*hiconptr = oldicon;
}
}
}
}
/* retrieve the 16-bit counterpart of a 32-bit icon, creating it if needed */
HICON16 get_icon_16( HICON icon )
{
HICON16 ret = wow_handlers32.get_icon_param( icon );
if (!ret)
{
ICONINFO info;
BITMAP bm;
UINT and_size, xor_size;
void *xor_bits = NULL, *and_bits;
CURSORICONINFO cinfo;
if (!(GetIconInfo( icon, &info ))) return 0;
GetObjectW( info.hbmMask, sizeof(bm), &bm );
and_size = bm.bmHeight * bm.bmWidthBytes;
if (!(and_bits = HeapAlloc( GetProcessHeap(), 0, and_size ))) goto done;
GetBitmapBits( info.hbmMask, and_size, and_bits );
if (info.hbmColor)
{
GetObjectW( info.hbmColor, sizeof(bm), &bm );
xor_size = bm.bmHeight * bm.bmWidthBytes;
if (!(xor_bits = HeapAlloc( GetProcessHeap(), 0, xor_size ))) goto done;
GetBitmapBits( info.hbmColor, xor_size, xor_bits );
}
else
{
bm.bmHeight /= 2;
xor_bits = (char *)and_bits + and_size / 2;
}
if (!info.fIcon)
{
cinfo.ptHotSpot.x = info.xHotspot;
cinfo.ptHotSpot.y = info.yHotspot;
}
else cinfo.ptHotSpot.x = cinfo.ptHotSpot.y = ICON_HOTSPOT;
cinfo.nWidth = bm.bmWidth;
cinfo.nHeight = bm.bmHeight;
cinfo.nWidthBytes = bm.bmWidthBytes;
cinfo.bPlanes = bm.bmPlanes;
cinfo.bBitsPerPixel = bm.bmBitsPixel;
if ((ret = CreateCursorIconIndirect16( 0, &cinfo, and_bits, xor_bits )))
store_icon_32( ret, icon );
done:
if (info.hbmColor)
{
HeapFree( GetProcessHeap(), 0, xor_bits );
DeleteObject( info.hbmColor );
}
HeapFree( GetProcessHeap(), 0, and_bits );
DeleteObject( info.hbmMask );
}
return ret;
}
static void add_shared_icon( HINSTANCE16 inst, HRSRC16 rsrc, HRSRC16 group, HICON16 icon )
{
struct cache_entry *cache = HeapAlloc( GetProcessHeap(), 0, sizeof(*cache) );
if (!cache) return;
cache->inst = inst;
cache->rsrc = rsrc;
cache->group = group;
cache->icon = icon;
cache->count = 1;
list_add_tail( &icon_cache, &cache->entry );
}
static HICON16 find_shared_icon( HINSTANCE16 inst, HRSRC16 rsrc )
{
struct cache_entry *cache;
LIST_FOR_EACH_ENTRY( cache, &icon_cache, struct cache_entry, entry )
{
if (cache->inst != inst || cache->rsrc != rsrc) continue;
cache->count++;
return cache->icon;
}
return 0;
}
static int release_shared_icon( HICON16 icon )
{
struct cache_entry *cache;
LIST_FOR_EACH_ENTRY( cache, &icon_cache, struct cache_entry, entry )
{
if (cache->icon != icon) continue;
if (!cache->count) return 0;
return --cache->count;
}
return -1;
}
static void free_module_icons( HINSTANCE16 inst )
{
struct cache_entry *cache, *next;
LIST_FOR_EACH_ENTRY_SAFE( cache, next, &icon_cache, struct cache_entry, entry )
{
if (cache->inst != inst) continue;
list_remove( &cache->entry );
free_icon_handle( cache->icon );
HeapFree( GetProcessHeap(), 0, cache );
}
}
/**********************************************************************
* Management of the 16-bit clipboard formats
*/
struct clipboard_format
{
struct list entry;
UINT format;
HANDLE16 data;
};
static struct list clipboard_formats = LIST_INIT( clipboard_formats );
static void set_clipboard_format( UINT format, HANDLE16 data )
{
struct clipboard_format *fmt;
/* replace it if it exists already */
LIST_FOR_EACH_ENTRY( fmt, &clipboard_formats, struct clipboard_format, entry )
{
if (fmt->format != format) continue;
GlobalFree16( fmt->data );
fmt->data = data;
return;
}
if ((fmt = HeapAlloc( GetProcessHeap(), 0, sizeof(*fmt) )))
{
fmt->format = format;
fmt->data = data;
list_add_tail( &clipboard_formats, &fmt->entry );
}
}
static void free_clipboard_formats(void)
{
struct list *head;
while ((head = list_head( &clipboard_formats )))
{
struct clipboard_format *fmt = LIST_ENTRY( head, struct clipboard_format, entry );
list_remove( &fmt->entry );
GlobalFree16( fmt->data );
HeapFree( GetProcessHeap(), 0, fmt );
}
}
/***********************************************************************
* OldExitWindows (USER.2)
*/
void WINAPI OldExitWindows16(void)
{
ExitWindows16(0, 0);
}
HQUEUE16 hqFirst;
/**********************************************************************
* InitApp (USER.5)
*/
INT16 WINAPI InitApp16( HINSTANCE16 hInstance )
{
HGLOBAL hqueue = GlobalAlloc16(GMEM_ZEROINIT | GMEM_SHARE, 0x120);
QUEUE16 *queue;
TDB *tdb = (TDB*)GlobalLock16(GetCurrentTask());
tdb->hQueue = hqueue;
queue = (QUEUE16*)GlobalLock16(hqueue);
if (!hqFirst)
{
hqFirst = hqueue;
}
else
{
queue->next = hqFirst;
hqFirst = hqueue;
}
queue->hTask = GetCurrentTask();
queue->cbMessage = 0x16;
queue->read = 0x6e;
queue->write = 0x6e;
queue->cbSize = 0x11e;
queue->expVer = tdb->version;
void install_global_hook();
install_global_hook();
/* Create task message queue */
return (InitThreadInput16( 0, 0 ) != 0);
}
static DWORD WINAPI exit_thread(LPVOID param)
{
IShellDispatch *shelldisp;
HRESULT hres;
CoInitialize(NULL);
hres = CoCreateInstance(&CLSID_Shell, NULL, CLSCTX_INPROC_SERVER, &IID_IShellDispatch, (void **)&shelldisp);
if (SUCCEEDED(hres))
{
IShellDispatch_ShutdownWindows(shelldisp);
IShellDispatch_Release(shelldisp);
}
CoUninitialize();
return 0;
}
/***********************************************************************
* ExitWindows (USER.7)
*/
BOOL16 WINAPI ExitWindows16( DWORD dwReturnCode, UINT16 wReserved )
{
HANDLE exitth = CreateThread(NULL, 0, exit_thread, 0, 0, NULL);
WaitForSingleObject(exitth, INFINITE);
CloseHandle(exitth);
ExitProcess(0);
}
/***********************************************************************
* GetTimerResolution (USER.14)
*/
LONG WINAPI GetTimerResolution16(void)
{
return (1000);
}
/***********************************************************************
* ClipCursor (USER.16)
*/
BOOL16 WINAPI ClipCursor16( const RECT16 *rect )
{
RECT rect32;
if (!rect) return ClipCursor( NULL );
rect32.left = rect->left;
rect32.top = rect->top;
rect32.right = rect->right;
rect32.bottom = rect->bottom;
return ClipCursor( &rect32 );
}
/***********************************************************************
* GetCursorPos (USER.17)
*/
BOOL16 WINAPI GetCursorPos16( POINT16 *pt )
{
POINT pos;
if (!pt) return FALSE;
GetCursorPos(&pos);
pt->x = pos.x;
pt->y = pos.y;
return TRUE;
}
/*******************************************************************
* AnyPopup (USER.52)
*/
BOOL16 WINAPI AnyPopup16(void)
{
return AnyPopup();
}
/***********************************************************************
* SetCursor (USER.69)
*/
HCURSOR16 WINAPI SetCursor16(HCURSOR16 hCursor)
{
return get_icon_16( SetCursor( get_icon_32(hCursor) ));
}
/***********************************************************************
* SetCursorPos (USER.70)
*/
void WINAPI SetCursorPos16( INT16 x, INT16 y )
{
SetCursorPos( x, y );
}
/***********************************************************************
* ShowCursor (USER.71)
*/
INT16 WINAPI ShowCursor16(BOOL16 bShow)
{
return ShowCursor(bShow);
}
/***********************************************************************
* SetRect (USER.72)
*/
void WINAPI SetRect16( LPRECT16 rect, INT16 left, INT16 top, INT16 right, INT16 bottom )
{
rect->left = left;
rect->right = right;
rect->top = top;
rect->bottom = bottom;
}
/***********************************************************************
* SetRectEmpty (USER.73)
*/
void WINAPI SetRectEmpty16( LPRECT16 rect )
{
rect->left = rect->right = rect->top = rect->bottom = 0;
}
/***********************************************************************
* CopyRect (USER.74)
*/
BOOL16 WINAPI CopyRect16( RECT16 *dest, const RECT16 *src )
{
__TRY
{
*dest = *src;
}
__EXCEPT_ALL
{
return FALSE;
}
__ENDTRY
return TRUE;
}
/***********************************************************************
* IsRectEmpty (USER.75)
*
* Bug compat: Windows checks for 0 or negative width/height.
*/
BOOL16 WINAPI IsRectEmpty16( const RECT16 *rect )
{
BOOL16 ret;
__TRY
{
ret = ((rect->left >= rect->right) || (rect->top >= rect->bottom));
}
__EXCEPT_ALL
{
ret = TRUE;
}
__ENDTRY
return ret;
}
/***********************************************************************
* PtInRect (USER.76)
*/
BOOL16 WINAPI PtInRect16( const RECT16 *rect, POINT16 pt )
{
if (IsRectEmpty16(rect))
return FALSE;
return ((pt.x >= rect->left) && (pt.x < rect->right) &&
(pt.y >= rect->top) && (pt.y < rect->bottom));
}
/***********************************************************************
* OffsetRect (USER.77)
*/
void WINAPI OffsetRect16( LPRECT16 rect, INT16 x, INT16 y )
{
rect->left += x;
rect->right += x;
rect->top += y;
rect->bottom += y;
}
/***********************************************************************
* InflateRect (USER.78)
*/
void WINAPI InflateRect16( LPRECT16 rect, INT16 x, INT16 y )
{
rect->left -= x;
rect->top -= y;
rect->right += x;
rect->bottom += y;
}
/***********************************************************************
* IntersectRect (USER.79)
*/
BOOL16 WINAPI IntersectRect16( LPRECT16 dest, const RECT16 *src1,
const RECT16 *src2 )
{
if (IsRectEmpty16(src1) || IsRectEmpty16(src2) ||
(src1->left >= src2->right) || (src2->left >= src1->right) ||
(src1->top >= src2->bottom) || (src2->top >= src1->bottom))
{
SetRectEmpty16( dest );
return FALSE;
}
dest->left = max( src1->left, src2->left );
dest->right = min( src1->right, src2->right );
dest->top = max( src1->top, src2->top );
dest->bottom = min( src1->bottom, src2->bottom );
return TRUE;
}
/***********************************************************************
* UnionRect (USER.80)
*/
BOOL16 WINAPI UnionRect16( LPRECT16 dest, const RECT16 *src1,
const RECT16 *src2 )
{
if (IsRectEmpty16(src1))
{
if (IsRectEmpty16(src2))
{
SetRectEmpty16( dest );
return FALSE;
}
else *dest = *src2;
}
else
{
if (IsRectEmpty16(src2)) *dest = *src1;
else
{
dest->left = min( src1->left, src2->left );
dest->right = max( src1->right, src2->right );
dest->top = min( src1->top, src2->top );
dest->bottom = max( src1->bottom, src2->bottom );
}
}
return TRUE;
}
/***********************************************************************
* FillRect (USER.81)
* NOTE
* The Win16 variant doesn't support special color brushes like
* the Win32 one, despite the fact that Win16, as well as Win32,
* supports special background brushes for a window class.
*/
INT16 WINAPI FillRect16( HDC16 hdc, const RECT16 *rect, HBRUSH16 hbrush )
{
/*RECT r32;
r32.bottom = rect->bottom;
r32.left = rect->left;
r32.right = rect->right;
r32.top = rect->top;
HBRUSH hb = HBRUSH_32(hbrush);
HDC hd = HDC_32(hdc);
int ret = FillRect(hd, &r32, hb);
return ret;*/
HBRUSH prevBrush;
/* coordinates are logical so we cannot fast-check 'rect',
* it will be done later in the PatBlt().
*/
if (!(prevBrush = SelectObject( HDC_32(hdc), HBRUSH_32(hbrush) ))) return 0;
PatBlt( HDC_32(hdc), rect->left, rect->top,
rect->right - rect->left, rect->bottom - rect->top, PATCOPY );
SelectObject( HDC_32(hdc), prevBrush );
return 1;
}
/***********************************************************************
* InvertRect (USER.82)
*/
void WINAPI InvertRect16( HDC16 hdc, const RECT16 *rect )
{
PatBlt( HDC_32(hdc), rect->left, rect->top,
rect->right - rect->left, rect->bottom - rect->top, DSTINVERT );
}
/***********************************************************************
* FrameRect (USER.83)
*/
INT16 WINAPI FrameRect16( HDC16 hdc, const RECT16 *rect16, HBRUSH16 hbrush )
{
RECT rect;
rect.left = rect16->left;
rect.top = rect16->top;
rect.right = rect16->right;
rect.bottom = rect16->bottom;
return FrameRect( HDC_32(hdc), &rect, HBRUSH_32(hbrush) );
}
/***********************************************************************
* DrawIcon (USER.84)
*/
BOOL16 WINAPI DrawIcon16(HDC16 hdc, INT16 x, INT16 y, HICON16 hIcon)
{
return DrawIcon(HDC_32(hdc), x, y, get_icon_32(hIcon) );
}
/***********************************************************************
* DrawText (USER.85)
*/
INT16 WINAPI DrawText16( HDC16 hdc, LPCSTR str, INT16 count, LPRECT16 rect, UINT16 flags )
{
INT16 ret;
__TRY
{
if (rect)
{
RECT rect32;
rect32.left = rect->left;
rect32.top = rect->top;
rect32.right = rect->right;
rect32.bottom = rect->bottom;
ret = DrawTextA( HDC_32(hdc), str, count, &rect32, flags );
rect->left = rect32.left;
rect->top = rect32.top;
rect->right = rect32.right;
rect->bottom = rect32.bottom;
}
else ret = DrawTextA( HDC_32(hdc), str, count, NULL, flags);
}
__EXCEPT_ALL
{
ret = 0;
}
__ENDTRY
return ret;
}
/***********************************************************************
* IconSize (USER.86)
*
* See "Undocumented Windows". Used by W2.0 paint.exe.
*/
DWORD WINAPI IconSize16(void)
{
return MAKELONG(GetSystemMetrics(SM_CYICON), GetSystemMetrics(SM_CXICON));
}
/***********************************************************************
* AdjustWindowRect (USER.102)
*/