wine/dlls/user/user16.c
Alexandre Julliard e37c6e18d0 Fixed header dependencies to be fully compatible with the Windows
headers (with help from Dimitrie O. Paun).
2003-09-05 23:08:26 +00:00

913 lines
26 KiB
C

/*
* Misc 16-bit USER functions
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include <stdlib.h>
#include "wine/winuser16.h"
#include "windef.h"
#include "winbase.h"
#include "wownt32.h"
#include "task.h"
#include "user.h"
#include "win.h"
#include "winproc.h"
#include "cursoricon.h"
/* handle to handle 16 conversions */
#define HANDLE_16(h32) (LOWORD(h32))
/* handle16 to handle conversions */
#define HANDLE_32(h16) ((HANDLE)(ULONG_PTR)(h16))
#define HINSTANCE_32(h16) ((HINSTANCE)(ULONG_PTR)(h16))
#define IS_MENU_STRING_ITEM(flags) \
(((flags) & (MF_STRING | MF_BITMAP | MF_OWNERDRAW | MF_SEPARATOR)) == MF_STRING)
WORD WINAPI DestroyIcon32(HGLOBAL16, UINT16);
struct gray_string_info
{
GRAYSTRINGPROC16 proc;
LPARAM param;
char str[1];
};
/* 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;
char *str = (char *)param;
info = (struct gray_string_info *)(str - offsetof( 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);
}
/***********************************************************************
* SetCursor (USER.69)
*/
HCURSOR16 WINAPI SetCursor16(HCURSOR16 hCursor)
{
return HCURSOR_16(SetCursor(HCURSOR_32(hCursor)));
}
/***********************************************************************
* ShowCursor (USER.71)
*/
INT16 WINAPI ShowCursor16(BOOL16 bShow)
{
return ShowCursor(bShow);
}
/***********************************************************************
* DrawIcon (USER.84)
*/
BOOL16 WINAPI DrawIcon16(HDC16 hdc, INT16 x, INT16 y, HICON16 hIcon)
{
return DrawIcon(HDC_32(hdc), x, y, HICON_32(hIcon));
}
/***********************************************************************
* DrawText (USER.85)
*/
INT16 WINAPI DrawText16( HDC16 hdc, LPCSTR str, INT16 count, LPRECT16 rect, UINT16 flags )
{
INT16 ret;
if (rect)
{
RECT rect32;
CONV_RECT16TO32( rect, &rect32 );
ret = DrawTextA( HDC_32(hdc), str, count, &rect32, flags );
CONV_RECT32TO16( &rect32, rect );
}
else ret = DrawTextA( HDC_32(hdc), str, count, NULL, flags);
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));
}
/**********************************************************************
* CreateMenu (USER.151)
*/
HMENU16 WINAPI CreateMenu16(void)
{
return HMENU_16( CreateMenu() );
}
/**********************************************************************
* DestroyMenu (USER.152)
*/
BOOL16 WINAPI DestroyMenu16( HMENU16 hMenu )
{
return DestroyMenu( HMENU_32(hMenu) );
}
/*******************************************************************
* ChangeMenu (USER.153)
*/
BOOL16 WINAPI ChangeMenu16( HMENU16 hMenu, UINT16 pos, SEGPTR data,
UINT16 id, UINT16 flags )
{
if (flags & MF_APPEND) return AppendMenu16( hMenu, flags & ~MF_APPEND, id, data );
/* FIXME: Word passes the item id in 'pos' and 0 or 0xffff as id */
/* for MF_DELETE. We should check the parameters for all others */
/* MF_* actions also (anybody got a doc on ChangeMenu?). */
if (flags & MF_DELETE) return DeleteMenu16(hMenu, pos, flags & ~MF_DELETE);
if (flags & MF_CHANGE) return ModifyMenu16(hMenu, pos, flags & ~MF_CHANGE, id, data );
if (flags & MF_REMOVE) return RemoveMenu16(hMenu, flags & MF_BYPOSITION ? pos : id,
flags & ~MF_REMOVE );
/* Default: MF_INSERT */
return InsertMenu16( hMenu, pos, flags, id, data );
}
/*******************************************************************
* CheckMenuItem (USER.154)
*/
BOOL16 WINAPI CheckMenuItem16( HMENU16 hMenu, UINT16 id, UINT16 flags )
{
return CheckMenuItem( HMENU_32(hMenu), id, flags );
}
/**********************************************************************
* EnableMenuItem (USER.155)
*/
UINT16 WINAPI EnableMenuItem16( HMENU16 hMenu, UINT16 wItemID, UINT16 wFlags )
{
return EnableMenuItem( HMENU_32(hMenu), wItemID, wFlags );
}
/**********************************************************************
* GetSubMenu (USER.159)
*/
HMENU16 WINAPI GetSubMenu16( HMENU16 hMenu, INT16 nPos )
{
return HMENU_16( GetSubMenu( HMENU_32(hMenu), nPos ) );
}
/*******************************************************************
* GetMenuString (USER.161)
*/
INT16 WINAPI GetMenuString16( HMENU16 hMenu, UINT16 wItemID,
LPSTR str, INT16 nMaxSiz, UINT16 wFlags )
{
return GetMenuStringA( HMENU_32(hMenu), wItemID, str, nMaxSiz, wFlags );
}
/**********************************************************************
* WinHelp (USER.171)
*/
BOOL16 WINAPI WinHelp16( HWND16 hWnd, LPCSTR lpHelpFile, UINT16 wCommand,
DWORD dwData )
{
BOOL ret;
DWORD mutex_count;
/* We might call WinExec() */
ReleaseThunkLock(&mutex_count);
ret = WinHelpA(WIN_Handle32(hWnd), lpHelpFile, wCommand, (DWORD)MapSL(dwData));
RestoreThunkLock(mutex_count);
return ret;
}
/***********************************************************************
* LoadCursor (USER.173)
*/
HCURSOR16 WINAPI LoadCursor16(HINSTANCE16 hInstance, LPCSTR name)
{
return HCURSOR_16(LoadCursorA(HINSTANCE_32(hInstance), name));
}
/***********************************************************************
* LoadIcon (USER.174)
*/
HICON16 WINAPI LoadIcon16(HINSTANCE16 hInstance, LPCSTR name)
{
return HICON_16(LoadIconA(HINSTANCE_32(hInstance), name));
}
/**********************************************************************
* LoadBitmap (USER.175)
*/
HBITMAP16 WINAPI LoadBitmap16(HINSTANCE16 hInstance, LPCSTR name)
{
return HBITMAP_16(LoadBitmapA(HINSTANCE_32(hInstance), name));
}
/***********************************************************************
* GrayString (USER.185)
*/
BOOL16 WINAPI GrayString16( HDC16 hdc, HBRUSH16 hbr, GRAYSTRINGPROC16 gsprc,
LPARAM lParam, INT16 cch, INT16 x, INT16 y,
INT16 cx, INT16 cy )
{
BOOL ret;
if (!gsprc) return GrayStringA( HDC_32(hdc), HBRUSH_32(hbr), NULL,
(LPARAM)MapSL(lParam), cch, x, y, cx, cy );
if (cch == -1 || (cch && cx && cy))
{
/* lParam can be treated as an opaque pointer */
struct gray_string_info info;
info.proc = gsprc;
info.param = lParam;
ret = GrayStringA( HDC_32(hdc), HBRUSH_32(hbr), gray_string_callback,
(LPARAM)&info, cch, x, y, cx, cy );
}
else /* here we need some string conversions */
{
char *str16 = MapSL(lParam);
struct gray_string_info *info;
if (!cch) cch = strlen(str16);
if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info) + cch ))) return FALSE;
info->proc = gsprc;
info->param = lParam;
memcpy( info->str, str16, cch );
ret = GrayStringA( HDC_32(hdc), HBRUSH_32(hbr), gray_string_callback_ptr,
(LPARAM)info->str, cch, x, y, cx, cy );
HeapFree( GetProcessHeap(), 0, info );
}
return ret;
}
/***********************************************************************
* TabbedTextOut (USER.196)
*/
LONG WINAPI TabbedTextOut16( HDC16 hdc, INT16 x, INT16 y, LPCSTR lpstr,
INT16 count, INT16 nb_tabs, const INT16 *tabs16, INT16 tab_org )
{
LONG ret;
INT i, *tabs = HeapAlloc( GetProcessHeap(), 0, nb_tabs * sizeof(tabs) );
if (!tabs) return 0;
for (i = 0; i < nb_tabs; i++) tabs[i] = tabs16[i];
ret = TabbedTextOutA( HDC_32(hdc), x, y, lpstr, count, nb_tabs, tabs, tab_org );
HeapFree( GetProcessHeap(), 0, tabs );
return ret;
}
/***********************************************************************
* GetTabbedTextExtent (USER.197)
*/
DWORD WINAPI GetTabbedTextExtent16( HDC16 hdc, LPCSTR lpstr, INT16 count,
INT16 nb_tabs, const INT16 *tabs16 )
{
LONG ret;
INT i, *tabs = HeapAlloc( GetProcessHeap(), 0, nb_tabs * sizeof(tabs) );
if (!tabs) return 0;
for (i = 0; i < nb_tabs; i++) tabs[i] = tabs16[i];
ret = GetTabbedTextExtentA( HDC_32(hdc), lpstr, count, nb_tabs, tabs );
HeapFree( GetProcessHeap(), 0, tabs );
return ret;
}
/*************************************************************************
* ScrollDC (USER.221)
*/
BOOL16 WINAPI ScrollDC16( HDC16 hdc, INT16 dx, INT16 dy, const RECT16 *rect,
const RECT16 *cliprc, HRGN16 hrgnUpdate,
LPRECT16 rcUpdate )
{
RECT rect32, clipRect32, rcUpdate32;
BOOL16 ret;
if (rect) CONV_RECT16TO32( rect, &rect32 );
if (cliprc) CONV_RECT16TO32( cliprc, &clipRect32 );
ret = ScrollDC( HDC_32(hdc), dx, dy, rect ? &rect32 : NULL,
cliprc ? &clipRect32 : NULL, HRGN_32(hrgnUpdate),
&rcUpdate32 );
if (rcUpdate) CONV_RECT32TO16( &rcUpdate32, rcUpdate );
return ret;
}
/***********************************************************************
* GetCursor (USER.247)
*/
HCURSOR16 WINAPI GetCursor16(void)
{
return HCURSOR_16(GetCursor());
}
/**********************************************************************
* GetMenuState (USER.250)
*/
UINT16 WINAPI GetMenuState16( HMENU16 hMenu, UINT16 wItemID, UINT16 wFlags )
{
return GetMenuState( HMENU_32(hMenu), wItemID, wFlags );
}
/**********************************************************************
* GetMenuItemCount (USER.263)
*/
INT16 WINAPI GetMenuItemCount16( HMENU16 hMenu )
{
return GetMenuItemCount( HMENU_32(hMenu) );
}
/**********************************************************************
* GetMenuItemID (USER.264)
*/
UINT16 WINAPI GetMenuItemID16( HMENU16 hMenu, INT16 nPos )
{
return GetMenuItemID( HMENU_32(hMenu), nPos );
}
/***********************************************************************
* GlobalAddAtom (USER.268)
*/
ATOM WINAPI GlobalAddAtom16(LPCSTR lpString)
{
return GlobalAddAtomA(lpString);
}
/***********************************************************************
* GlobalDeleteAtom (USER.269)
*/
ATOM WINAPI GlobalDeleteAtom16(ATOM nAtom)
{
return GlobalDeleteAtom(nAtom);
}
/***********************************************************************
* GlobalFindAtom (USER.270)
*/
ATOM WINAPI GlobalFindAtom16(LPCSTR lpString)
{
return GlobalFindAtomA(lpString);
}
/***********************************************************************
* GlobalGetAtomName (USER.271)
*/
UINT16 WINAPI GlobalGetAtomName16(ATOM nAtom, LPSTR lpBuffer, INT16 nSize)
{
return GlobalGetAtomNameA(nAtom, lpBuffer, nSize);
}
/***********************************************************************
* GetSysColorBrush (USER.281)
*/
HBRUSH16 WINAPI GetSysColorBrush16( INT16 index )
{
return HBRUSH_16( GetSysColorBrush(index) );
}
/***********************************************************************
* SelectPalette (USER.282)
*/
HPALETTE16 WINAPI SelectPalette16( HDC16 hdc, HPALETTE16 hpal, BOOL16 bForceBackground )
{
return HPALETTE_16( SelectPalette( HDC_32(hdc), HPALETTE_32(hpal), bForceBackground ));
}
/***********************************************************************
* RealizePalette (USER.283)
*/
UINT16 WINAPI RealizePalette16( HDC16 hdc )
{
return UserRealizePalette( HDC_32(hdc) );
}
/***********************************************************************
* SignalProc (USER.314)
*/
void WINAPI SignalProc16( HANDLE16 hModule, UINT16 code,
UINT16 uExitFn, HINSTANCE16 hInstance, HQUEUE16 hQueue )
{
if (code == USIG16_DLL_UNLOAD)
{
/* HOOK_FreeModuleHooks( hModule ); */
CLASS_FreeModuleClasses( hModule );
CURSORICON_FreeModuleIcons( hModule );
}
}
/**********************************************************************
* IsMenu (USER.358)
*/
BOOL16 WINAPI IsMenu16( HMENU16 hmenu )
{
return IsMenu( HMENU_32(hmenu) );
}
/**********************************************************************
* SetMenuContextHelpId (USER.384)
*/
BOOL16 WINAPI SetMenuContextHelpId16( HMENU16 hMenu, DWORD dwContextHelpID)
{
return SetMenuContextHelpId( HMENU_32(hMenu), dwContextHelpID );
}
/**********************************************************************
* GetMenuContextHelpId (USER.385)
*/
DWORD WINAPI GetMenuContextHelpId16( HMENU16 hMenu )
{
return GetMenuContextHelpId( HMENU_32(hMenu) );
}
/***********************************************************************
* LoadImage (USER.389)
*
*/
HANDLE16 WINAPI LoadImage16(HINSTANCE16 hinst, LPCSTR name, UINT16 type,
INT16 desiredx, INT16 desiredy, UINT16 loadflags)
{
return HANDLE_16(LoadImageA(HINSTANCE_32(hinst), name, type, desiredx,
desiredy, loadflags));
}
/******************************************************************************
* CopyImage (USER.390) Creates new image and copies attributes to it
*
*/
HICON16 WINAPI CopyImage16(HANDLE16 hnd, UINT16 type, INT16 desiredx,
INT16 desiredy, UINT16 flags)
{
return HICON_16(CopyImage(HANDLE_32(hnd), (UINT)type, (INT)desiredx,
(INT)desiredy, (UINT)flags));
}
/**********************************************************************
* DrawIconEx (USER.394)
*/
BOOL16 WINAPI DrawIconEx16(HDC16 hdc, INT16 xLeft, INT16 yTop, HICON16 hIcon,
INT16 cxWidth, INT16 cyWidth, UINT16 istep,
HBRUSH16 hbr, UINT16 flags)
{
return DrawIconEx(HDC_32(hdc), xLeft, yTop, HICON_32(hIcon), cxWidth, cyWidth,
istep, HBRUSH_32(hbr), flags);
}
/**********************************************************************
* GetIconInfo (USER.395)
*/
BOOL16 WINAPI GetIconInfo16(HICON16 hIcon, LPICONINFO16 iconinfo)
{
ICONINFO ii32;
BOOL16 ret = GetIconInfo(HICON_32(hIcon), &ii32);
iconinfo->fIcon = ii32.fIcon;
iconinfo->xHotspot = ii32.xHotspot;
iconinfo->yHotspot = ii32.yHotspot;
iconinfo->hbmMask = HBITMAP_16(ii32.hbmMask);
iconinfo->hbmColor = HBITMAP_16(ii32.hbmColor);
return ret;
}
/***********************************************************************
* CreateCursor (USER.406)
*/
HCURSOR16 WINAPI CreateCursor16(HINSTANCE16 hInstance,
INT16 xHotSpot, INT16 yHotSpot,
INT16 nWidth, INT16 nHeight,
LPCVOID lpANDbits, LPCVOID lpXORbits)
{
CURSORICONINFO info;
info.ptHotSpot.x = xHotSpot;
info.ptHotSpot.y = yHotSpot;
info.nWidth = nWidth;
info.nHeight = nHeight;
info.nWidthBytes = 0;
info.bPlanes = 1;
info.bBitsPerPixel = 1;
return CreateCursorIconIndirect16(hInstance, &info, lpANDbits, lpXORbits);
}
/*******************************************************************
* InsertMenu (USER.410)
*/
BOOL16 WINAPI InsertMenu16( HMENU16 hMenu, UINT16 pos, UINT16 flags,
UINT16 id, SEGPTR data )
{
UINT pos32 = (UINT)pos;
if ((pos == (UINT16)-1) && (flags & MF_BYPOSITION)) pos32 = (UINT)-1;
if (IS_MENU_STRING_ITEM(flags) && data)
return InsertMenuA( HMENU_32(hMenu), pos32, flags, id, MapSL(data) );
return InsertMenuA( HMENU_32(hMenu), pos32, flags, id, (LPSTR)data );
}
/*******************************************************************
* AppendMenu (USER.411)
*/
BOOL16 WINAPI AppendMenu16(HMENU16 hMenu, UINT16 flags, UINT16 id, SEGPTR data)
{
return InsertMenu16( hMenu, -1, flags | MF_BYPOSITION, id, data );
}
/**********************************************************************
* RemoveMenu (USER.412)
*/
BOOL16 WINAPI RemoveMenu16( HMENU16 hMenu, UINT16 nPos, UINT16 wFlags )
{
return RemoveMenu( HMENU_32(hMenu), nPos, wFlags );
}
/**********************************************************************
* DeleteMenu (USER.413)
*/
BOOL16 WINAPI DeleteMenu16( HMENU16 hMenu, UINT16 nPos, UINT16 wFlags )
{
return DeleteMenu( HMENU_32(hMenu), nPos, wFlags );
}
/*******************************************************************
* ModifyMenu (USER.414)
*/
BOOL16 WINAPI ModifyMenu16( HMENU16 hMenu, UINT16 pos, UINT16 flags,
UINT16 id, SEGPTR data )
{
if (IS_MENU_STRING_ITEM(flags))
return ModifyMenuA( HMENU_32(hMenu), pos, flags, id, MapSL(data) );
return ModifyMenuA( HMENU_32(hMenu), pos, flags, id, (LPSTR)data );
}
/**********************************************************************
* CreatePopupMenu (USER.415)
*/
HMENU16 WINAPI CreatePopupMenu16(void)
{
return HMENU_16( CreatePopupMenu() );
}
/**********************************************************************
* SetMenuItemBitmaps (USER.418)
*/
BOOL16 WINAPI SetMenuItemBitmaps16( HMENU16 hMenu, UINT16 nPos, UINT16 wFlags,
HBITMAP16 hNewUnCheck, HBITMAP16 hNewCheck)
{
return SetMenuItemBitmaps( HMENU_32(hMenu), nPos, wFlags,
HBITMAP_32(hNewUnCheck), HBITMAP_32(hNewCheck) );
}
/*******************************************************************
* InsertMenuItem (USER.441)
*
* FIXME: untested
*/
BOOL16 WINAPI InsertMenuItem16( HMENU16 hmenu, UINT16 pos, BOOL16 byposition,
const MENUITEMINFO16 *mii )
{
MENUITEMINFOA miia;
miia.cbSize = sizeof(miia);
miia.fMask = mii->fMask;
miia.dwTypeData = (LPSTR)mii->dwTypeData;
miia.fType = mii->fType;
miia.fState = mii->fState;
miia.wID = mii->wID;
miia.hSubMenu = HMENU_32(mii->hSubMenu);
miia.hbmpChecked = HBITMAP_32(mii->hbmpChecked);
miia.hbmpUnchecked = HBITMAP_32(mii->hbmpUnchecked);
miia.dwItemData = mii->dwItemData;
miia.cch = mii->cch;
if (IS_MENU_STRING_ITEM(miia.fType))
miia.dwTypeData = MapSL(mii->dwTypeData);
return InsertMenuItemA( HMENU_32(hmenu), pos, byposition, &miia );
}
/**********************************************************************
* DrawState (USER.449)
*/
BOOL16 WINAPI DrawState16( HDC16 hdc, HBRUSH16 hbr, DRAWSTATEPROC16 func, LPARAM ldata,
WPARAM16 wdata, INT16 x, INT16 y, INT16 cx, INT16 cy, UINT16 flags )
{
struct draw_state_info info;
UINT opcode = flags & 0xf;
if (opcode == DST_TEXT || opcode == DST_PREFIXTEXT)
{
/* make sure DrawStateA doesn't try to use ldata as a pointer */
if (!wdata) wdata = strlen( MapSL(ldata) );
if (!cx || !cy)
{
SIZE s;
if (!GetTextExtentPoint32A( HDC_32(hdc), MapSL(ldata), wdata, &s )) return FALSE;
if (!cx) cx = s.cx;
if (!cy) cy = s.cy;
}
}
info.proc = func;
info.param = ldata;
return DrawStateA( HDC_32(hdc), HBRUSH_32(hbr), draw_state_callback,
(LPARAM)&info, wdata, x, y, cx, cy, flags );
}
/**********************************************************************
* CreateIconFromResourceEx (USER.450)
*
* FIXME: not sure about exact parameter types
*/
HICON16 WINAPI CreateIconFromResourceEx16(LPBYTE bits, UINT16 cbSize,
BOOL16 bIcon, DWORD dwVersion,
INT16 width, INT16 height,
UINT16 cFlag)
{
return HICON_16(CreateIconFromResourceEx(bits, cbSize, bIcon, dwVersion,
width, height, cFlag));
}
/***********************************************************************
* DestroyIcon (USER.457)
*/
BOOL16 WINAPI DestroyIcon16(HICON16 hIcon)
{
return DestroyIcon32(hIcon, 0);
}
/***********************************************************************
* DestroyCursor (USER.458)
*/
BOOL16 WINAPI DestroyCursor16(HCURSOR16 hCursor)
{
return DestroyIcon32(hCursor, 0);
}
/*******************************************************************
* DRAG_QueryUpdate16
*
* Recursively find a child that contains spDragInfo->pt point
* and send WM_QUERYDROPOBJECT. Helper for DragObject16.
*/
static BOOL DRAG_QueryUpdate16( HWND hQueryWnd, SEGPTR spDragInfo )
{
BOOL bResult = 0;
WPARAM wParam;
POINT pt, old_pt;
LPDRAGINFO16 ptrDragInfo = MapSL(spDragInfo);
RECT tempRect;
HWND child;
if (!IsWindowEnabled(hQueryWnd)) return FALSE;
old_pt.x = ptrDragInfo->pt.x;
old_pt.y = ptrDragInfo->pt.y;
pt = old_pt;
ScreenToClient( hQueryWnd, &pt );
child = ChildWindowFromPointEx( hQueryWnd, pt, CWP_SKIPINVISIBLE );
if (!child) return FALSE;
if (child != hQueryWnd)
{
wParam = 0;
if (DRAG_QueryUpdate16( child, spDragInfo )) return TRUE;
}
else
{
GetClientRect( hQueryWnd, &tempRect );
wParam = !PtInRect( &tempRect, pt );
}
ptrDragInfo->pt.x = pt.x;
ptrDragInfo->pt.y = pt.y;
ptrDragInfo->hScope = HWND_16(hQueryWnd);
bResult = SendMessage16( HWND_16(hQueryWnd), WM_QUERYDROPOBJECT, wParam, spDragInfo );
if (!bResult)
{
ptrDragInfo->pt.x = old_pt.x;
ptrDragInfo->pt.y = old_pt.y;
}
return bResult;
}
/******************************************************************************
* DragObject (USER.464)
*/
DWORD WINAPI DragObject16( HWND16 hwndScope, HWND16 hWnd, UINT16 wObj,
HANDLE16 hOfStruct, WORD szList, HCURSOR16 hCursor )
{
MSG msg;
LPDRAGINFO16 lpDragInfo;
SEGPTR spDragInfo;
HCURSOR hOldCursor=0, hBummer=0;
HGLOBAL16 hDragInfo = GlobalAlloc16( GMEM_SHARE | GMEM_ZEROINIT, 2*sizeof(DRAGINFO16));
HCURSOR hCurrentCursor = 0;
HWND16 hCurrentWnd = 0;
lpDragInfo = (LPDRAGINFO16) GlobalLock16(hDragInfo);
spDragInfo = K32WOWGlobalLock16(hDragInfo);
if( !lpDragInfo || !spDragInfo ) return 0L;
if (!(hBummer = LoadCursorA(0, MAKEINTRESOURCEA(OCR_NO))))
{
GlobalFree16(hDragInfo);
return 0L;
}
if(hCursor) hOldCursor = SetCursor(HCURSOR_32(hCursor));
lpDragInfo->hWnd = hWnd;
lpDragInfo->hScope = 0;
lpDragInfo->wFlags = wObj;
lpDragInfo->hList = szList; /* near pointer! */
lpDragInfo->hOfStruct = hOfStruct;
lpDragInfo->l = 0L;
SetCapture( HWND_32(hWnd) );
ShowCursor( TRUE );
do
{
GetMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST );
*(lpDragInfo+1) = *lpDragInfo;
lpDragInfo->pt.x = msg.pt.x;
lpDragInfo->pt.y = msg.pt.y;
/* update DRAGINFO struct */
if( DRAG_QueryUpdate16(WIN_Handle32(hwndScope), spDragInfo) > 0 )
hCurrentCursor = HCURSOR_32(hCursor);
else
{
hCurrentCursor = hBummer;
lpDragInfo->hScope = 0;
}
if( hCurrentCursor )
SetCursor(hCurrentCursor);
/* send WM_DRAGLOOP */
SendMessage16( hWnd, WM_DRAGLOOP, (WPARAM16)(hCurrentCursor != hBummer),
(LPARAM) spDragInfo );
/* send WM_DRAGSELECT or WM_DRAGMOVE */
if( hCurrentWnd != lpDragInfo->hScope )
{
if( hCurrentWnd )
SendMessage16( hCurrentWnd, WM_DRAGSELECT, 0,
(LPARAM)MAKELONG(LOWORD(spDragInfo)+sizeof(DRAGINFO16),
HIWORD(spDragInfo)) );
hCurrentWnd = lpDragInfo->hScope;
if( hCurrentWnd )
SendMessage16( hCurrentWnd, WM_DRAGSELECT, 1, (LPARAM)spDragInfo);
}
else
if( hCurrentWnd )
SendMessage16( hCurrentWnd, WM_DRAGMOVE, 0, (LPARAM)spDragInfo);
} while( msg.message != WM_LBUTTONUP && msg.message != WM_NCLBUTTONUP );
ReleaseCapture();
ShowCursor( FALSE );
if( hCursor ) SetCursor(hOldCursor);
if( hCurrentCursor != hBummer )
msg.lParam = SendMessage16( lpDragInfo->hScope, WM_DROPOBJECT,
(WPARAM16)hWnd, (LPARAM)spDragInfo );
else
msg.lParam = 0;
GlobalFree16(hDragInfo);
return (DWORD)(msg.lParam);
}
/**********************************************************************
* DrawFrameControl (USER.656)
*/
BOOL16 WINAPI DrawFrameControl16( HDC16 hdc, LPRECT16 rc, UINT16 uType, UINT16 uState )
{
RECT rect32;
BOOL ret;
CONV_RECT16TO32( rc, &rect32 );
ret = DrawFrameControl( HDC_32(hdc), &rect32, uType, uState );
CONV_RECT32TO16( &rect32, rc );
return ret;
}
/**********************************************************************
* DrawEdge (USER.659)
*/
BOOL16 WINAPI DrawEdge16( HDC16 hdc, LPRECT16 rc, UINT16 edge, UINT16 flags )
{
RECT rect32;
BOOL ret;
CONV_RECT16TO32( rc, &rect32 );
ret = DrawEdge( HDC_32(hdc), &rect32, edge, flags );
CONV_RECT32TO16( &rect32, rc );
return ret;
}
/**********************************************************************
* CheckMenuRadioItem (USER.666)
*/
BOOL16 WINAPI CheckMenuRadioItem16(HMENU16 hMenu, UINT16 first, UINT16 last,
UINT16 check, BOOL16 bypos)
{
return CheckMenuRadioItem( HMENU_32(hMenu), first, last, check, bypos );
}