434 lines
13 KiB
C
434 lines
13 KiB
C
/*
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* 16-bit messaging support
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*
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* Copyright 2001 Alexandre Julliard
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*/
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#include "wine/winuser16.h"
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#include "winerror.h"
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#include "hook.h"
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#include "message.h"
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#include "spy.h"
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#include "task.h"
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#include "thread.h"
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#include "win.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(msg);
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DWORD USER16_AlertableWait = 0;
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/***********************************************************************
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* SendMessage (USER.111)
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*/
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LRESULT WINAPI SendMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
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{
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LRESULT result;
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HWND hwnd = WIN_Handle32( hwnd16 );
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if (hwnd != HWND_BROADCAST && WIN_IsCurrentThread(hwnd))
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{
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/* call 16-bit window proc directly */
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WNDPROC16 winproc;
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/* first the WH_CALLWNDPROC hook */
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if (HOOK_IsHooked( WH_CALLWNDPROC ))
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{
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CWPSTRUCT16 cwp;
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SEGPTR seg_cwp;
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cwp.hwnd = hwnd16;
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cwp.message = msg;
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cwp.wParam = wparam;
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cwp.lParam = lparam;
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seg_cwp = MapLS( &cwp );
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HOOK_CallHooks16( WH_CALLWNDPROC, HC_ACTION, 1, seg_cwp );
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UnMapLS( seg_cwp );
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if (cwp.hwnd != hwnd16)
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{
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hwnd16 = cwp.hwnd;
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hwnd = WIN_Handle32( hwnd16 );
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}
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msg = cwp.message;
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wparam = cwp.wParam;
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lparam = cwp.lParam;
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}
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if (!(winproc = (WNDPROC16)GetWindowLong16( hwnd16, GWL_WNDPROC ))) return 0;
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SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wparam, lparam );
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result = CallWindowProc16( (WNDPROC16)winproc, hwnd16, msg, wparam, lparam );
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SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, result, wparam, lparam );
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}
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else /* map to 32-bit unicode for inter-thread/process message */
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{
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UINT msg32;
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WPARAM wparam32;
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if (WINPROC_MapMsg16To32W( hwnd, msg, wparam, &msg32, &wparam32, &lparam ) == -1)
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return 0;
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result = WINPROC_UnmapMsg16To32W( hwnd, msg32, wparam32, lparam,
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SendMessageW( hwnd, msg32, wparam32, lparam ) );
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}
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return result;
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}
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/***********************************************************************
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* PostMessage (USER.110)
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*/
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BOOL16 WINAPI PostMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
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{
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WPARAM wparam32;
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UINT msg32;
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HWND hwnd = WIN_Handle32( hwnd16 );
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switch (WINPROC_MapMsg16To32W( hwnd, msg, wparam, &msg32, &wparam32, &lparam ))
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{
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case 0:
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return PostMessageW( hwnd, msg32, wparam32, lparam );
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case 1:
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ERR( "16-bit message %x contains pointer, cannot post\n", msg );
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return FALSE;
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default:
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return FALSE;
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}
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}
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/***********************************************************************
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* PostAppMessage (USER.116)
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* PostAppMessage16 (USER32.@)
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*/
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BOOL16 WINAPI PostAppMessage16( HTASK16 hTask, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
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{
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WPARAM wparam32;
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UINT msg32;
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TDB *pTask = TASK_GetPtr( hTask );
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if (!pTask) return FALSE;
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switch (WINPROC_MapMsg16To32W( 0, msg, wparam, &msg32, &wparam32, &lparam ))
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{
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case 0:
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return PostThreadMessageW( (DWORD)pTask->teb->tid, msg32, wparam32, lparam );
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case 1:
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ERR( "16-bit message %x contains pointer, cannot post\n", msg );
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return FALSE;
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default:
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return FALSE;
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}
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}
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/***********************************************************************
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* InSendMessage (USER.192)
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*/
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BOOL16 WINAPI InSendMessage16(void)
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{
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return InSendMessage();
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}
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/***********************************************************************
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* ReplyMessage (USER.115)
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*/
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void WINAPI ReplyMessage16( LRESULT result )
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{
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ReplyMessage( result );
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}
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/***********************************************************************
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* PeekMessage32 (USER.819)
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*/
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BOOL16 WINAPI PeekMessage32_16( MSG32_16 *msg16, HWND16 hwnd16,
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UINT16 first, UINT16 last, UINT16 flags,
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BOOL16 wHaveParamHigh )
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{
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MSG msg;
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HWND hwnd = WIN_Handle32( hwnd16 );
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if(USER16_AlertableWait)
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MsgWaitForMultipleObjectsEx( 0, NULL, 1, 0, MWMO_ALERTABLE );
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if (!PeekMessageW( &msg, hwnd, first, last, flags )) return FALSE;
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msg16->msg.hwnd = WIN_Handle16( msg.hwnd );
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msg16->msg.lParam = msg.lParam;
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msg16->msg.time = msg.time;
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msg16->msg.pt.x = (INT16)msg.pt.x;
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msg16->msg.pt.y = (INT16)msg.pt.y;
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if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
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return (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
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&msg16->msg.message, &msg16->msg.wParam,
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&msg16->msg.lParam ) != -1);
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}
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/***********************************************************************
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* PeekMessage (USER.109)
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*/
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BOOL16 WINAPI PeekMessage16( MSG16 *msg, HWND16 hwnd,
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UINT16 first, UINT16 last, UINT16 flags )
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{
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return PeekMessage32_16( (MSG32_16 *)msg, hwnd, first, last, flags, FALSE );
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}
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/***********************************************************************
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* GetMessage32 (USER.820)
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*/
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BOOL16 WINAPI GetMessage32_16( MSG32_16 *msg16, HWND16 hwnd16, UINT16 first,
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UINT16 last, BOOL16 wHaveParamHigh )
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{
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MSG msg;
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HWND hwnd = WIN_Handle32( hwnd16 );
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do
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{
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if(USER16_AlertableWait)
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MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, 0, MWMO_ALERTABLE );
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GetMessageW( &msg, hwnd, first, last );
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msg16->msg.hwnd = WIN_Handle16( msg.hwnd );
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msg16->msg.lParam = msg.lParam;
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msg16->msg.time = msg.time;
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msg16->msg.pt.x = (INT16)msg.pt.x;
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msg16->msg.pt.y = (INT16)msg.pt.y;
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if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
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}
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while (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
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&msg16->msg.message, &msg16->msg.wParam,
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&msg16->msg.lParam ) == -1);
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TRACE( "message %04x, hwnd %04x, filter(%04x - %04x)\n",
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msg16->msg.message, hwnd, first, last );
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return msg16->msg.message != WM_QUIT;
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}
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/***********************************************************************
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* GetMessage (USER.108)
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*/
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BOOL16 WINAPI GetMessage16( MSG16 *msg, HWND16 hwnd, UINT16 first, UINT16 last )
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{
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return GetMessage32_16( (MSG32_16 *)msg, hwnd, first, last, FALSE );
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}
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/***********************************************************************
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* TranslateMessage32 (USER.821)
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*/
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BOOL16 WINAPI TranslateMessage32_16( const MSG32_16 *msg, BOOL16 wHaveParamHigh )
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{
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MSG msg32;
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msg32.hwnd = WIN_Handle32( msg->msg.hwnd );
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msg32.message = msg->msg.message;
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msg32.wParam = MAKEWPARAM( msg->msg.wParam, wHaveParamHigh ? msg->wParamHigh : 0 );
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msg32.lParam = msg->msg.lParam;
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return TranslateMessage( &msg32 );
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}
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/***********************************************************************
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* TranslateMessage (USER.113)
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*/
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BOOL16 WINAPI TranslateMessage16( const MSG16 *msg )
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{
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return TranslateMessage32_16( (MSG32_16 *)msg, FALSE );
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}
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/***********************************************************************
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* DispatchMessage (USER.114)
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*/
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LONG WINAPI DispatchMessage16( const MSG16* msg )
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{
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WND * wndPtr;
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WNDPROC16 winproc;
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LONG retval;
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int painting;
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HWND hwnd = WIN_Handle32( msg->hwnd );
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/* Process timer messages */
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if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
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{
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if (msg->lParam)
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{
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/* before calling window proc, verify whether timer is still valid;
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there's a slim chance that the application kills the timer
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between GetMessage and DispatchMessage API calls */
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if (!TIMER_IsTimerValid(hwnd, (UINT) msg->wParam, (HWINDOWPROC) msg->lParam))
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return 0; /* invalid winproc */
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return CallWindowProc16( (WNDPROC16)msg->lParam, msg->hwnd,
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msg->message, msg->wParam, GetTickCount() );
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}
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}
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if (!(wndPtr = WIN_GetPtr( msg->hwnd )))
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{
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if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
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return 0;
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}
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if (wndPtr == WND_OTHER_PROCESS)
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{
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if (IsWindow( msg->hwnd ))
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ERR( "cannot dispatch msg to other process window %x\n", msg->hwnd );
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SetLastError( ERROR_INVALID_WINDOW_HANDLE );
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return 0;
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}
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if (!(winproc = (WNDPROC16)wndPtr->winproc))
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{
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WIN_ReleasePtr( wndPtr );
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return 0;
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}
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painting = (msg->message == WM_PAINT);
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if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
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WIN_ReleasePtr( wndPtr );
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SPY_EnterMessage( SPY_DISPATCHMESSAGE16, hwnd, msg->message, msg->wParam, msg->lParam );
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retval = CallWindowProc16( winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam );
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SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg->message, retval, msg->wParam, msg->lParam );
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if (painting && (wndPtr = WIN_GetPtr( hwnd )) && (wndPtr != WND_OTHER_PROCESS))
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{
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BOOL validate = ((wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate);
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wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
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WIN_ReleasePtr( wndPtr );
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if (validate)
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{
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ERR( "BeginPaint not called on WM_PAINT for hwnd %04x!\n", msg->hwnd );
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/* Validate the update region to avoid infinite WM_PAINT loop */
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RedrawWindow( hwnd, NULL, 0,
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RDW_NOFRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT );
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}
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}
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return retval;
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}
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/***********************************************************************
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* DispatchMessage32 (USER.822)
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*/
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LONG WINAPI DispatchMessage32_16( const MSG32_16 *msg16, BOOL16 wHaveParamHigh )
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{
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if (wHaveParamHigh == FALSE)
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return DispatchMessage16( &msg16->msg );
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else
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{
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MSG msg;
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msg.hwnd = WIN_Handle32( msg16->msg.hwnd );
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msg.message = msg16->msg.message;
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msg.wParam = MAKEWPARAM( msg16->msg.wParam, msg16->wParamHigh );
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msg.lParam = msg16->msg.lParam;
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msg.time = msg16->msg.time;
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msg.pt.x = msg16->msg.pt.x;
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msg.pt.y = msg16->msg.pt.y;
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return DispatchMessageA( &msg );
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}
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}
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/***********************************************************************
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* MsgWaitForMultipleObjects (USER.640)
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*/
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DWORD WINAPI MsgWaitForMultipleObjects16( DWORD count, CONST HANDLE *handles,
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BOOL wait_all, DWORD timeout, DWORD mask )
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{
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return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
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wait_all ? MWMO_WAITALL : 0 );
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}
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/**********************************************************************
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* SetDoubleClickTime (USER.20)
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*/
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void WINAPI SetDoubleClickTime16( UINT16 interval )
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{
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SetDoubleClickTime( interval );
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}
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/**********************************************************************
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* GetDoubleClickTime (USER.21)
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*/
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UINT16 WINAPI GetDoubleClickTime16(void)
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{
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return GetDoubleClickTime();
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}
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/***********************************************************************
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* PostQuitMessage (USER.6)
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*/
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void WINAPI PostQuitMessage16( INT16 exitCode )
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{
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PostQuitMessage( exitCode );
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}
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/***********************************************************************
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* SetMessageQueue (USER.266)
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*/
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BOOL16 WINAPI SetMessageQueue16( INT16 size )
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{
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return SetMessageQueue( size );
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}
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/***********************************************************************
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* GetQueueStatus (USER.334)
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*/
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DWORD WINAPI GetQueueStatus16( UINT16 flags )
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{
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return GetQueueStatus( flags );
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}
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/***********************************************************************
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* GetInputState (USER.335)
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*/
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BOOL16 WINAPI GetInputState16(void)
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{
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return GetInputState();
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}
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/**********************************************************************
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* TranslateAccelerator (USER.178)
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*/
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INT16 WINAPI TranslateAccelerator16( HWND16 hwnd, HACCEL16 hAccel, LPMSG16 msg )
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{
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MSG msg32;
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if (!msg) return 0;
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msg32.message = msg->message;
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/* msg32.hwnd not used */
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msg32.wParam = msg->wParam;
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msg32.lParam = msg->lParam;
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return TranslateAccelerator( WIN_Handle32(hwnd), hAccel, &msg32 );
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}
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/**********************************************************************
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* TranslateMDISysAccel (USER.451)
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*/
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BOOL16 WINAPI TranslateMDISysAccel16( HWND16 hwndClient, LPMSG16 msg )
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{
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if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
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{
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MSG msg32;
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msg32.hwnd = WIN_Handle32(msg->hwnd);
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msg32.message = msg->message;
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msg32.wParam = msg->wParam;
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msg32.lParam = msg->lParam;
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/* MDICLIENTINFO is still the same for win32 and win16 ... */
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return TranslateMDISysAccel( WIN_Handle32(hwndClient), &msg32 );
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}
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return 0;
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}
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