| /* |
| * Message queues related functions |
| * |
| * Copyright 1993, 1994 Alexandre Julliard |
| * |
| * 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 "config.h" |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <ctype.h> |
| #ifdef HAVE_SYS_TIME_H |
| # include <sys/time.h> |
| #endif |
| #include <sys/types.h> |
| |
| #include "winbase.h" |
| #include "wingdi.h" |
| #include "winuser.h" |
| #include "message.h" |
| #include "winerror.h" |
| #include "wine/server.h" |
| #include "controls.h" |
| #include "dde.h" |
| #include "message.h" |
| #include "thread.h" |
| #include "user.h" |
| #include "win.h" |
| #include "winpos.h" |
| #include "winproc.h" |
| #include "wine/debug.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(msg); |
| WINE_DECLARE_DEBUG_CHANNEL(key); |
| |
| #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE |
| #define WM_NCMOUSELAST WM_NCMBUTTONDBLCLK |
| |
| |
| /*********************************************************************** |
| * is_keyboard_message |
| */ |
| inline static BOOL is_keyboard_message( UINT message ) |
| { |
| return (message >= WM_KEYFIRST && message <= WM_KEYLAST); |
| } |
| |
| |
| /*********************************************************************** |
| * is_mouse_message |
| */ |
| inline static BOOL is_mouse_message( UINT message ) |
| { |
| return ((message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST) || |
| (message >= WM_MOUSEFIRST && message <= WM_MOUSELAST)); |
| } |
| |
| |
| /*********************************************************************** |
| * check_message_filter |
| */ |
| inline static BOOL check_message_filter( const MSG *msg, HWND hwnd, UINT first, UINT last ) |
| { |
| if (hwnd) |
| { |
| if (msg->hwnd != hwnd && !IsChild( hwnd, msg->hwnd )) return FALSE; |
| } |
| if (first || last) |
| { |
| return (msg->message >= first && msg->message <= last); |
| } |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * process_sent_messages |
| * |
| * Process all pending sent messages. |
| */ |
| inline static void process_sent_messages(void) |
| { |
| MSG msg; |
| MSG_peek_message( &msg, 0, 0, 0, GET_MSG_REMOVE | GET_MSG_SENT_ONLY ); |
| } |
| |
| |
| /*********************************************************************** |
| * queue_hardware_message |
| * |
| * store a hardware message in the thread queue |
| */ |
| #if 0 |
| static void queue_hardware_message( MSG *msg, ULONG_PTR extra_info ) |
| { |
| SERVER_START_REQ( send_message ) |
| { |
| req->type = MSG_HARDWARE; |
| req->id = GetWindowThreadProcessId( msg->hwnd, NULL ); |
| req->win = msg->hwnd; |
| req->msg = msg->message; |
| req->wparam = msg->wParam; |
| req->lparam = msg->lParam; |
| req->x = msg->pt.x; |
| req->y = msg->pt.y; |
| req->time = msg->time; |
| req->info = extra_info; |
| req->timeout = 0; |
| wine_server_call( req ); |
| } |
| SERVER_END_REQ; |
| } |
| #endif |
| |
| |
| /*********************************************************************** |
| * MSG_SendParentNotify |
| * |
| * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless |
| * the window has the WS_EX_NOPARENTNOTIFY style. |
| */ |
| static void MSG_SendParentNotify( HWND hwnd, WORD event, WORD idChild, POINT pt ) |
| { |
| /* pt has to be in the client coordinates of the parent window */ |
| MapWindowPoints( 0, hwnd, &pt, 1 ); |
| for (;;) |
| { |
| HWND parent; |
| |
| if (!(GetWindowLongA( hwnd, GWL_STYLE ) & WS_CHILD)) break; |
| if (GetWindowLongA( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break; |
| if (!(parent = GetParent(hwnd))) break; |
| MapWindowPoints( hwnd, parent, &pt, 1 ); |
| hwnd = parent; |
| SendMessageA( hwnd, WM_PARENTNOTIFY, |
| MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) ); |
| } |
| } |
| |
| |
| #if 0 /* this is broken for now, will require proper support in the server */ |
| |
| /*********************************************************************** |
| * MSG_JournalPlayBackMsg |
| * |
| * Get an EVENTMSG struct via call JOURNALPLAYBACK hook function |
| */ |
| void MSG_JournalPlayBackMsg(void) |
| { |
| EVENTMSG tmpMsg; |
| MSG msg; |
| LRESULT wtime; |
| int keyDown,i; |
| |
| wtime=HOOK_CallHooks( WH_JOURNALPLAYBACK, HC_GETNEXT, 0, (LPARAM)&tmpMsg, TRUE ); |
| /* TRACE(msg,"Playback wait time =%ld\n",wtime); */ |
| if (wtime<=0) |
| { |
| wtime=0; |
| msg.message = tmpMsg.message; |
| msg.hwnd = tmpMsg.hwnd; |
| msg.time = tmpMsg.time; |
| if ((tmpMsg.message >= WM_KEYFIRST) && (tmpMsg.message <= WM_KEYLAST)) |
| { |
| msg.wParam = tmpMsg.paramL & 0xFF; |
| msg.lParam = MAKELONG(tmpMsg.paramH&0x7ffff,tmpMsg.paramL>>8); |
| if (tmpMsg.message == WM_KEYDOWN || tmpMsg.message == WM_SYSKEYDOWN) |
| { |
| for (keyDown=i=0; i<256 && !keyDown; i++) |
| if (InputKeyStateTable[i] & 0x80) |
| keyDown++; |
| if (!keyDown) |
| msg.lParam |= 0x40000000; |
| InputKeyStateTable[msg.wParam] |= 0x80; |
| AsyncKeyStateTable[msg.wParam] |= 0x80; |
| } |
| else /* WM_KEYUP, WM_SYSKEYUP */ |
| { |
| msg.lParam |= 0xC0000000; |
| InputKeyStateTable[msg.wParam] &= ~0x80; |
| } |
| if (InputKeyStateTable[VK_MENU] & 0x80) |
| msg.lParam |= 0x20000000; |
| if (tmpMsg.paramH & 0x8000) /*special_key bit*/ |
| msg.lParam |= 0x01000000; |
| |
| msg.pt.x = msg.pt.y = 0; |
| queue_hardware_message( &msg, 0 ); |
| } |
| else if ((tmpMsg.message>= WM_MOUSEFIRST) && (tmpMsg.message <= WM_MOUSELAST)) |
| { |
| switch (tmpMsg.message) |
| { |
| case WM_LBUTTONDOWN: |
| InputKeyStateTable[VK_LBUTTON] |= 0x80; |
| AsyncKeyStateTable[VK_LBUTTON] |= 0x80; |
| break; |
| case WM_LBUTTONUP: |
| InputKeyStateTable[VK_LBUTTON] &= ~0x80; |
| break; |
| case WM_MBUTTONDOWN: |
| InputKeyStateTable[VK_MBUTTON] |= 0x80; |
| AsyncKeyStateTable[VK_MBUTTON] |= 0x80; |
| break; |
| case WM_MBUTTONUP: |
| InputKeyStateTable[VK_MBUTTON] &= ~0x80; |
| break; |
| case WM_RBUTTONDOWN: |
| InputKeyStateTable[VK_RBUTTON] |= 0x80; |
| AsyncKeyStateTable[VK_RBUTTON] |= 0x80; |
| break; |
| case WM_RBUTTONUP: |
| InputKeyStateTable[VK_RBUTTON] &= ~0x80; |
| break; |
| } |
| SetCursorPos(tmpMsg.paramL,tmpMsg.paramH); |
| msg.lParam=MAKELONG(tmpMsg.paramL,tmpMsg.paramH); |
| msg.wParam=0; |
| if (InputKeyStateTable[VK_LBUTTON] & 0x80) msg.wParam |= MK_LBUTTON; |
| if (InputKeyStateTable[VK_MBUTTON] & 0x80) msg.wParam |= MK_MBUTTON; |
| if (InputKeyStateTable[VK_RBUTTON] & 0x80) msg.wParam |= MK_RBUTTON; |
| |
| msg.pt.x = tmpMsg.paramL; |
| msg.pt.y = tmpMsg.paramH; |
| queue_hardware_message( &msg, 0 ); |
| } |
| HOOK_CallHooks( WH_JOURNALPLAYBACK, HC_SKIP, 0, (LPARAM)&tmpMsg, TRUE ); |
| } |
| else |
| { |
| if( tmpMsg.message == WM_QUEUESYNC ) HOOK_CallHooks( WH_CBT, HCBT_QS, 0, 0, TRUE ); |
| } |
| } |
| #endif |
| |
| |
| /*********************************************************************** |
| * process_raw_keyboard_message |
| * |
| * returns TRUE if the contents of 'msg' should be passed to the application |
| */ |
| static void process_raw_keyboard_message( MSG *msg ) |
| { |
| EVENTMSG event; |
| |
| event.message = msg->message; |
| event.hwnd = msg->hwnd; |
| event.time = msg->time; |
| event.paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8); |
| event.paramH = msg->lParam & 0x7FFF; |
| if (HIWORD(msg->lParam) & 0x0100) event.paramH |= 0x8000; /* special_key - bit */ |
| HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE ); |
| } |
| |
| |
| /*********************************************************************** |
| * process_cooked_keyboard_message |
| * |
| * returns TRUE if the contents of 'msg' should be passed to the application |
| */ |
| static BOOL process_cooked_keyboard_message( MSG *msg, BOOL remove ) |
| { |
| if (remove) |
| { |
| /* Handle F1 key by sending out WM_HELP message */ |
| if ((msg->message == WM_KEYUP) && |
| (msg->wParam == VK_F1) && |
| (msg->hwnd != GetDesktopWindow()) && |
| !MENU_IsMenuActive()) |
| { |
| HELPINFO hi; |
| hi.cbSize = sizeof(HELPINFO); |
| hi.iContextType = HELPINFO_WINDOW; |
| hi.iCtrlId = GetWindowLongA( msg->hwnd, GWL_ID ); |
| hi.hItemHandle = msg->hwnd; |
| hi.dwContextId = GetWindowContextHelpId( msg->hwnd ); |
| hi.MousePos = msg->pt; |
| SendMessageA(msg->hwnd, WM_HELP, 0, (LPARAM)&hi); |
| } |
| } |
| |
| if (HOOK_CallHooks( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE, |
| LOWORD(msg->wParam), msg->lParam, TRUE )) |
| { |
| /* skip this message */ |
| HOOK_CallHooks( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam, TRUE ); |
| return FALSE; |
| } |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * process_raw_mouse_message |
| */ |
| static void process_raw_mouse_message( MSG *msg, BOOL remove ) |
| { |
| static MSG clk_msg; |
| |
| POINT pt; |
| INT hittest; |
| EVENTMSG event; |
| GUITHREADINFO info; |
| HWND hWndScope = msg->hwnd; |
| |
| /* find the window to dispatch this mouse message to */ |
| |
| hittest = HTCLIENT; |
| GetGUIThreadInfo( GetCurrentThreadId(), &info ); |
| if (!(msg->hwnd = info.hwndCapture)) |
| { |
| /* If no capture HWND, find window which contains the mouse position. |
| * Also find the position of the cursor hot spot (hittest) */ |
| if (!IsWindow(hWndScope)) hWndScope = 0; |
| if (!(msg->hwnd = WINPOS_WindowFromPoint( hWndScope, msg->pt, &hittest ))) |
| msg->hwnd = GetDesktopWindow(); |
| } |
| |
| event.message = msg->message; |
| event.time = msg->time; |
| event.hwnd = msg->hwnd; |
| event.paramL = msg->pt.x; |
| event.paramH = msg->pt.y; |
| HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE ); |
| |
| /* translate double clicks */ |
| |
| if ((msg->message == WM_LBUTTONDOWN) || |
| (msg->message == WM_RBUTTONDOWN) || |
| (msg->message == WM_MBUTTONDOWN)) |
| { |
| BOOL update = remove; |
| /* translate double clicks - |
| * note that ...MOUSEMOVEs can slip in between |
| * ...BUTTONDOWN and ...BUTTONDBLCLK messages */ |
| |
| if ((info.flags & (GUI_INMENUMODE|GUI_INMOVESIZE)) || |
| hittest != HTCLIENT || |
| (GetClassLongA( msg->hwnd, GCL_STYLE ) & CS_DBLCLKS)) |
| { |
| if ((msg->message == clk_msg.message) && |
| (msg->hwnd == clk_msg.hwnd) && |
| (msg->time - clk_msg.time < GetDoubleClickTime()) && |
| (abs(msg->pt.x - clk_msg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) && |
| (abs(msg->pt.y - clk_msg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2)) |
| { |
| msg->message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN); |
| if (remove) |
| { |
| clk_msg.message = 0; |
| update = FALSE; |
| } |
| } |
| } |
| /* update static double click conditions */ |
| if (update) clk_msg = *msg; |
| } |
| |
| pt = msg->pt; |
| /* Note: windows has no concept of a non-client wheel message */ |
| if (hittest != HTCLIENT && msg->message != WM_MOUSEWHEEL) |
| { |
| msg->message += WM_NCMOUSEMOVE - WM_MOUSEMOVE; |
| msg->wParam = hittest; |
| } |
| else |
| { |
| /* coordinates don't get translated while tracking a menu */ |
| /* FIXME: should differentiate popups and top-level menus */ |
| if (!(info.flags & GUI_INMENUMODE)) ScreenToClient( msg->hwnd, &pt ); |
| } |
| msg->lParam = MAKELONG( pt.x, pt.y ); |
| } |
| |
| |
| /*********************************************************************** |
| * process_cooked_mouse_message |
| * |
| * returns TRUE if the contents of 'msg' should be passed to the application |
| */ |
| static BOOL process_cooked_mouse_message( MSG *msg, ULONG_PTR extra_info, BOOL remove ) |
| { |
| MOUSEHOOKSTRUCT hook; |
| INT hittest = HTCLIENT; |
| UINT raw_message = msg->message; |
| BOOL eatMsg; |
| |
| if (msg->message >= WM_NCMOUSEFIRST && msg->message <= WM_NCMOUSELAST) |
| { |
| raw_message += WM_MOUSEFIRST - WM_NCMOUSEFIRST; |
| hittest = msg->wParam; |
| } |
| if (raw_message == WM_LBUTTONDBLCLK || |
| raw_message == WM_RBUTTONDBLCLK || |
| raw_message == WM_MBUTTONDBLCLK) |
| { |
| raw_message += WM_LBUTTONDOWN - WM_LBUTTONDBLCLK; |
| } |
| |
| hook.pt = msg->pt; |
| hook.hwnd = msg->hwnd; |
| hook.wHitTestCode = hittest; |
| hook.dwExtraInfo = extra_info; |
| if (HOOK_CallHooks( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE, |
| msg->message, (LPARAM)&hook, TRUE )) |
| { |
| hook.pt = msg->pt; |
| hook.hwnd = msg->hwnd; |
| hook.wHitTestCode = hittest; |
| hook.dwExtraInfo = extra_info; |
| HOOK_CallHooks( WH_CBT, HCBT_CLICKSKIPPED, msg->message, (LPARAM)&hook, TRUE ); |
| return FALSE; |
| } |
| |
| if ((hittest == HTERROR) || (hittest == HTNOWHERE)) |
| { |
| SendMessageA( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, |
| MAKELONG( hittest, raw_message )); |
| return FALSE; |
| } |
| |
| if (!remove || GetCapture()) return TRUE; |
| |
| eatMsg = FALSE; |
| |
| if ((raw_message == WM_LBUTTONDOWN) || |
| (raw_message == WM_RBUTTONDOWN) || |
| (raw_message == WM_MBUTTONDOWN)) |
| { |
| /* Send the WM_PARENTNOTIFY, |
| * note that even for double/nonclient clicks |
| * notification message is still WM_L/M/RBUTTONDOWN. |
| */ |
| MSG_SendParentNotify( msg->hwnd, raw_message, 0, msg->pt ); |
| |
| /* Activate the window if needed */ |
| |
| if (msg->hwnd != GetActiveWindow()) |
| { |
| HWND hwndTop = msg->hwnd; |
| while (hwndTop) |
| { |
| if ((GetWindowLongW( hwndTop, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) != WS_CHILD) break; |
| hwndTop = GetParent( hwndTop ); |
| } |
| |
| if (hwndTop && hwndTop != GetDesktopWindow()) |
| { |
| LONG ret = SendMessageA( msg->hwnd, WM_MOUSEACTIVATE, (WPARAM)hwndTop, |
| MAKELONG( hittest, raw_message ) ); |
| switch(ret) |
| { |
| case MA_NOACTIVATEANDEAT: |
| eatMsg = TRUE; |
| /* fall through */ |
| case MA_NOACTIVATE: |
| break; |
| case MA_ACTIVATEANDEAT: |
| eatMsg = TRUE; |
| /* fall through */ |
| case MA_ACTIVATE: |
| case 0: |
| if (!FOCUS_MouseActivate( hwndTop )) eatMsg = TRUE; |
| break; |
| default: |
| WARN( "unknown WM_MOUSEACTIVATE code %ld\n", ret ); |
| break; |
| } |
| } |
| } |
| } |
| |
| /* send the WM_SETCURSOR message */ |
| |
| /* Windows sends the normal mouse message as the message parameter |
| in the WM_SETCURSOR message even if it's non-client mouse message */ |
| SendMessageA( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, |
| MAKELONG( hittest, raw_message )); |
| |
| return !eatMsg; |
| } |
| |
| |
| /*********************************************************************** |
| * process_hardware_message |
| * |
| * returns TRUE if the contents of 'msg' should be passed to the application |
| */ |
| BOOL MSG_process_raw_hardware_message( MSG *msg, ULONG_PTR extra_info, HWND hwnd_filter, |
| UINT first, UINT last, BOOL remove ) |
| { |
| if (is_keyboard_message( msg->message )) |
| { |
| process_raw_keyboard_message( msg ); |
| } |
| else if (is_mouse_message( msg->message )) |
| { |
| process_raw_mouse_message( msg, remove ); |
| } |
| else |
| { |
| ERR( "unknown message type %x\n", msg->message ); |
| return FALSE; |
| } |
| return check_message_filter( msg, hwnd_filter, first, last ); |
| } |
| |
| |
| /*********************************************************************** |
| * MSG_process_cooked_hardware_message |
| * |
| * returns TRUE if the contents of 'msg' should be passed to the application |
| */ |
| BOOL MSG_process_cooked_hardware_message( MSG *msg, ULONG_PTR extra_info, BOOL remove ) |
| { |
| if (is_keyboard_message( msg->message )) |
| return process_cooked_keyboard_message( msg, remove ); |
| |
| if (is_mouse_message( msg->message )) |
| return process_cooked_mouse_message( msg, extra_info, remove ); |
| |
| ERR( "unknown message type %x\n", msg->message ); |
| return FALSE; |
| } |
| |
| |
| /*********************************************************************** |
| * WaitMessage (USER.112) Suspend thread pending messages |
| * WaitMessage (USER32.@) Suspend thread pending messages |
| * |
| * WaitMessage() suspends a thread until events appear in the thread's |
| * queue. |
| */ |
| BOOL WINAPI WaitMessage(void) |
| { |
| return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED); |
| } |
| |
| |
| /*********************************************************************** |
| * MsgWaitForMultipleObjectsEx (USER32.@) |
| */ |
| DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, CONST HANDLE *pHandles, |
| DWORD timeout, DWORD mask, DWORD flags ) |
| { |
| HANDLE handles[MAXIMUM_WAIT_OBJECTS]; |
| DWORD i, ret, lock; |
| MESSAGEQUEUE *msgQueue; |
| |
| if (count > MAXIMUM_WAIT_OBJECTS-1) |
| { |
| SetLastError( ERROR_INVALID_PARAMETER ); |
| return WAIT_FAILED; |
| } |
| |
| if (!(msgQueue = QUEUE_Current())) return WAIT_FAILED; |
| |
| /* set the queue mask */ |
| SERVER_START_REQ( set_queue_mask ) |
| { |
| req->wake_mask = (flags & MWMO_INPUTAVAILABLE) ? mask : 0; |
| req->changed_mask = mask; |
| req->skip_wait = 0; |
| wine_server_call( req ); |
| } |
| SERVER_END_REQ; |
| |
| /* Add the thread event to the handle list */ |
| for (i = 0; i < count; i++) handles[i] = pHandles[i]; |
| handles[count] = msgQueue->server_queue; |
| |
| ReleaseThunkLock( &lock ); |
| if (USER_Driver.pMsgWaitForMultipleObjectsEx) |
| { |
| ret = USER_Driver.pMsgWaitForMultipleObjectsEx( count+1, handles, timeout, mask, flags ); |
| if (ret == count+1) ret = count; /* pretend the msg queue is ready */ |
| } |
| else |
| ret = WaitForMultipleObjectsEx( count+1, handles, flags & MWMO_WAITALL, |
| timeout, flags & MWMO_ALERTABLE ); |
| if (lock) RestoreThunkLock( lock ); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * MsgWaitForMultipleObjects (USER32.@) |
| */ |
| DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, CONST HANDLE *handles, |
| BOOL wait_all, DWORD timeout, DWORD mask ) |
| { |
| return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask, |
| wait_all ? MWMO_WAITALL : 0 ); |
| } |
| |
| |
| /*********************************************************************** |
| * WaitForInputIdle (USER32.@) |
| */ |
| DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut ) |
| { |
| DWORD start_time, elapsed, ret; |
| HANDLE idle_event = (HANDLE)-1; |
| |
| SERVER_START_REQ( wait_input_idle ) |
| { |
| req->handle = hProcess; |
| req->timeout = dwTimeOut; |
| if (!(ret = wine_server_call_err( req ))) idle_event = reply->event; |
| } |
| SERVER_END_REQ; |
| if (ret) return WAIT_FAILED; /* error */ |
| if (!idle_event) return 0; /* no event to wait on */ |
| |
| start_time = GetTickCount(); |
| elapsed = 0; |
| |
| TRACE("waiting for %p\n", idle_event ); |
| do |
| { |
| ret = MsgWaitForMultipleObjects ( 1, &idle_event, FALSE, dwTimeOut - elapsed, QS_SENDMESSAGE ); |
| switch (ret) |
| { |
| case WAIT_OBJECT_0+1: |
| process_sent_messages(); |
| break; |
| case WAIT_TIMEOUT: |
| case WAIT_FAILED: |
| TRACE("timeout or error\n"); |
| return ret; |
| default: |
| TRACE("finished\n"); |
| return 0; |
| } |
| if (dwTimeOut != INFINITE) |
| { |
| elapsed = GetTickCount() - start_time; |
| if (elapsed > dwTimeOut) |
| break; |
| } |
| } |
| while (1); |
| |
| return WAIT_TIMEOUT; |
| } |
| |
| |
| /*********************************************************************** |
| * UserYield (USER.332) |
| */ |
| void WINAPI UserYield16(void) |
| { |
| DWORD count; |
| |
| /* Handle sent messages */ |
| process_sent_messages(); |
| |
| /* Yield */ |
| ReleaseThunkLock(&count); |
| if (count) |
| { |
| RestoreThunkLock(count); |
| /* Handle sent messages again */ |
| process_sent_messages(); |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * TranslateMessage (USER32.@) |
| * |
| * Implementation of TranslateMessage. |
| * |
| * TranslateMessage translates virtual-key messages into character-messages, |
| * as follows : |
| * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message. |
| * ditto replacing WM_* with WM_SYS* |
| * This produces WM_CHAR messages only for keys mapped to ASCII characters |
| * by the keyboard driver. |
| * |
| * If the message is WM_KEYDOWN, WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP, the |
| * return value is nonzero, regardless of the translation. |
| * |
| */ |
| BOOL WINAPI TranslateMessage( const MSG *msg ) |
| { |
| UINT message; |
| WCHAR wp[2]; |
| BOOL rc = FALSE; |
| BYTE state[256]; |
| |
| if (msg->message >= WM_KEYFIRST && msg->message <= WM_KEYLAST) |
| { |
| TRACE_(key)("(%s, %04X, %08lX)\n", |
| SPY_GetMsgName(msg->message, msg->hwnd), msg->wParam, msg->lParam ); |
| |
| /* Return code must be TRUE no matter what! */ |
| rc = TRUE; |
| } |
| |
| if ((msg->message != WM_KEYDOWN) && (msg->message != WM_SYSKEYDOWN)) return rc; |
| |
| TRACE_(key)("Translating key %s (%04x), scancode %02x\n", |
| SPY_GetVKeyName(msg->wParam), msg->wParam, LOBYTE(HIWORD(msg->lParam))); |
| |
| GetKeyboardState( state ); |
| /* FIXME : should handle ToUnicode yielding 2 */ |
| switch (ToUnicode(msg->wParam, HIWORD(msg->lParam), state, wp, 2, 0)) |
| { |
| case 1: |
| message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR; |
| TRACE_(key)("1 -> PostMessageW(%p,%s,%04x,%08lx)\n", |
| msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam); |
| PostMessageW( msg->hwnd, message, wp[0], msg->lParam ); |
| break; |
| |
| case -1: |
| message = (msg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR; |
| TRACE_(key)("-1 -> PostMessageW(%p,%s,%04x,%08lx)\n", |
| msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam); |
| PostMessageW( msg->hwnd, message, wp[0], msg->lParam ); |
| return TRUE; |
| } |
| return rc; |
| } |
| |
| |
| /*********************************************************************** |
| * DispatchMessageA (USER32.@) |
| */ |
| LONG WINAPI DispatchMessageA( const MSG* msg ) |
| { |
| WND * wndPtr; |
| LONG retval; |
| int painting; |
| WNDPROC winproc; |
| |
| /* Process timer messages */ |
| if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER)) |
| { |
| if (msg->lParam) |
| { |
| /* HOOK_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */ |
| |
| /* before calling window proc, verify whether timer is still valid; |
| there's a slim chance that the application kills the timer |
| between GetMessage and DispatchMessage API calls */ |
| if (!TIMER_IsTimerValid(msg->hwnd, (UINT) msg->wParam, (WNDPROC)msg->lParam)) |
| return 0; /* invalid winproc */ |
| |
| return CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd, |
| msg->message, msg->wParam, GetTickCount() ); |
| } |
| } |
| |
| if (!(wndPtr = WIN_GetPtr( msg->hwnd ))) |
| { |
| if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE ); |
| return 0; |
| } |
| if (wndPtr == WND_OTHER_PROCESS) |
| { |
| if (IsWindow( msg->hwnd )) |
| ERR( "cannot dispatch msg to other process window %p\n", msg->hwnd ); |
| SetLastError( ERROR_INVALID_WINDOW_HANDLE ); |
| return 0; |
| } |
| if (!(winproc = wndPtr->winproc)) |
| { |
| WIN_ReleasePtr( wndPtr ); |
| return 0; |
| } |
| painting = (msg->message == WM_PAINT); |
| if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT; |
| WIN_ReleasePtr( wndPtr ); |
| /* hook_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */ |
| |
| SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message, |
| msg->wParam, msg->lParam ); |
| retval = CallWindowProcA( winproc, msg->hwnd, msg->message, |
| msg->wParam, msg->lParam ); |
| SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval, |
| msg->wParam, msg->lParam ); |
| |
| if (painting && (wndPtr = WIN_GetPtr( msg->hwnd )) && (wndPtr != WND_OTHER_PROCESS)) |
| { |
| BOOL validate = ((wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate); |
| wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT; |
| WIN_ReleasePtr( wndPtr ); |
| if (validate) |
| { |
| ERR( "BeginPaint not called on WM_PAINT for hwnd %p!\n", msg->hwnd ); |
| /* Validate the update region to avoid infinite WM_PAINT loop */ |
| RedrawWindow( msg->hwnd, NULL, 0, |
| RDW_NOFRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT ); |
| } |
| } |
| return retval; |
| } |
| |
| |
| /*********************************************************************** |
| * DispatchMessageW (USER32.@) Process Message |
| * |
| * Process the message specified in the structure *_msg_. |
| * |
| * If the lpMsg parameter points to a WM_TIMER message and the |
| * parameter of the WM_TIMER message is not NULL, the lParam parameter |
| * points to the function that is called instead of the window |
| * procedure. |
| * |
| * The message must be valid. |
| * |
| * RETURNS |
| * |
| * DispatchMessage() returns the result of the window procedure invoked. |
| * |
| * CONFORMANCE |
| * |
| * ECMA-234, Win32 |
| * |
| */ |
| LONG WINAPI DispatchMessageW( const MSG* msg ) |
| { |
| WND * wndPtr; |
| LONG retval; |
| int painting; |
| WNDPROC winproc; |
| |
| /* Process timer messages */ |
| if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER)) |
| { |
| if (msg->lParam) |
| { |
| /* HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */ |
| |
| /* before calling window proc, verify whether timer is still valid; |
| there's a slim chance that the application kills the timer |
| between GetMessage and DispatchMessage API calls */ |
| if (!TIMER_IsTimerValid(msg->hwnd, (UINT) msg->wParam, (WNDPROC)msg->lParam)) |
| return 0; /* invalid winproc */ |
| |
| return CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd, |
| msg->message, msg->wParam, GetTickCount() ); |
| } |
| } |
| |
| if (!(wndPtr = WIN_GetPtr( msg->hwnd ))) |
| { |
| if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE ); |
| return 0; |
| } |
| if (wndPtr == WND_OTHER_PROCESS) |
| { |
| if (IsWindow( msg->hwnd )) |
| ERR( "cannot dispatch msg to other process window %p\n", msg->hwnd ); |
| SetLastError( ERROR_INVALID_WINDOW_HANDLE ); |
| return 0; |
| } |
| if (!(winproc = wndPtr->winproc)) |
| { |
| WIN_ReleasePtr( wndPtr ); |
| return 0; |
| } |
| painting = (msg->message == WM_PAINT); |
| if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT; |
| WIN_ReleasePtr( wndPtr ); |
| /* HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */ |
| |
| SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message, |
| msg->wParam, msg->lParam ); |
| retval = CallWindowProcW( winproc, msg->hwnd, msg->message, |
| msg->wParam, msg->lParam ); |
| SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval, |
| msg->wParam, msg->lParam ); |
| |
| if (painting && (wndPtr = WIN_GetPtr( msg->hwnd )) && (wndPtr != WND_OTHER_PROCESS)) |
| { |
| BOOL validate = ((wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate); |
| wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT; |
| WIN_ReleasePtr( wndPtr ); |
| if (validate) |
| { |
| ERR( "BeginPaint not called on WM_PAINT for hwnd %p!\n", msg->hwnd ); |
| /* Validate the update region to avoid infinite WM_PAINT loop */ |
| RedrawWindow( msg->hwnd, NULL, 0, |
| RDW_NOFRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT ); |
| } |
| } |
| return retval; |
| } |
| |
| |
| /*********************************************************************** |
| * RegisterWindowMessage (USER.118) |
| * RegisterWindowMessageA (USER32.@) |
| */ |
| WORD WINAPI RegisterWindowMessageA( LPCSTR str ) |
| { |
| TRACE("%s\n", str ); |
| return GlobalAddAtomA( str ); |
| } |
| |
| |
| /*********************************************************************** |
| * RegisterWindowMessageW (USER32.@) |
| */ |
| WORD WINAPI RegisterWindowMessageW( LPCWSTR str ) |
| { |
| TRACE("%p\n", str ); |
| return GlobalAddAtomW( str ); |
| } |
| |
| |
| /*********************************************************************** |
| * BroadcastSystemMessage (USER32.@) |
| * BroadcastSystemMessageA (USER32.@) |
| */ |
| LONG WINAPI BroadcastSystemMessage( |
| DWORD dwFlags,LPDWORD recipients,UINT uMessage,WPARAM wParam, |
| LPARAM lParam ) |
| { |
| if ((*recipients & BSM_APPLICATIONS)|| |
| (*recipients == BSM_ALLCOMPONENTS)) |
| { |
| FIXME("(%08lx,%08lx,%08x,%08x,%08lx): semi-stub!\n", |
| dwFlags,*recipients,uMessage,wParam,lParam); |
| PostMessageA(HWND_BROADCAST,uMessage,wParam,lParam); |
| return 1; |
| } |
| else |
| { |
| FIXME("(%08lx,%08lx,%08x,%08x,%08lx): stub!\n", |
| dwFlags,*recipients,uMessage,wParam,lParam); |
| return -1; |
| } |
| } |
| |
| /*********************************************************************** |
| * BroadcastSystemMessageW (USER32.@) |
| */ |
| LONG WINAPI BroadcastSystemMessageW( |
| DWORD dwFlags,LPDWORD recipients,UINT uMessage,WPARAM wParam, |
| LPARAM lParam ) |
| { |
| if ((*recipients & BSM_APPLICATIONS)|| |
| (*recipients == BSM_ALLCOMPONENTS)) |
| { |
| FIXME("(%08lx,%08lx,%08x,%08x,%08lx): semi-stub!\n", |
| dwFlags,*recipients,uMessage,wParam,lParam); |
| PostMessageW(HWND_BROADCAST,uMessage,wParam,lParam); |
| return 1; |
| } |
| else |
| { |
| FIXME("(%08lx,%08lx,%08x,%08x,%08lx): stub!\n", |
| dwFlags,*recipients,uMessage,wParam,lParam); |
| return -1; |
| } |
| } |
