wine/dlls/user32/defwnd.c
2014-02-10 20:11:02 +01:00

1000 lines
29 KiB
C

/*
* Default window procedure
*
* Copyright 1993, 1996 Alexandre Julliard
* 1995 Alex Korobka
*
* 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 "config.h"
#include "wine/port.h"
#include <string.h>
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winnls.h"
#include "imm.h"
#include "win.h"
#include "user_private.h"
#include "controls.h"
#include "wine/unicode.h"
#include "wine/server.h"
#include "wine/exception.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(win);
/* bits in the dwKeyData */
#define KEYDATA_ALT 0x2000
#define KEYDATA_PREVSTATE 0x4000
#define DRAG_FILE 0x454C4946
static short iF10Key = 0;
static short iMenuSysKey = 0;
/***********************************************************************
* DEFWND_HandleWindowPosChanged
*
* Handle the WM_WINDOWPOSCHANGED message.
*/
static void DEFWND_HandleWindowPosChanged( HWND hwnd, const WINDOWPOS *winpos )
{
RECT rect;
WIN_GetRectangles( hwnd, COORDS_PARENT, NULL, &rect );
if (!(winpos->flags & SWP_NOCLIENTMOVE))
SendMessageW( hwnd, WM_MOVE, 0, MAKELONG(rect.left, rect.top));
if (!(winpos->flags & SWP_NOCLIENTSIZE) || (winpos->flags & SWP_STATECHANGED))
{
if (IsIconic( hwnd ))
{
SendMessageW( hwnd, WM_SIZE, SIZE_MINIMIZED, 0 );
}
else
{
WPARAM wp = IsZoomed( hwnd ) ? SIZE_MAXIMIZED : SIZE_RESTORED;
SendMessageW( hwnd, WM_SIZE, wp, MAKELONG(rect.right-rect.left, rect.bottom-rect.top) );
}
}
}
/***********************************************************************
* DEFWND_SetTextA
*
* Set the window text.
*/
static void DEFWND_SetTextA( HWND hwnd, LPCSTR text )
{
int count;
WCHAR *textW;
WND *wndPtr;
if (!text) text = "";
count = MultiByteToWideChar( CP_ACP, 0, text, -1, NULL, 0 );
if (!(wndPtr = WIN_GetPtr( hwnd ))) return;
if ((textW = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR))))
{
HeapFree(GetProcessHeap(), 0, wndPtr->text);
wndPtr->text = textW;
MultiByteToWideChar( CP_ACP, 0, text, -1, textW, count );
SERVER_START_REQ( set_window_text )
{
req->handle = wine_server_user_handle( hwnd );
wine_server_add_data( req, textW, (count-1) * sizeof(WCHAR) );
wine_server_call( req );
}
SERVER_END_REQ;
}
else
ERR("Not enough memory for window text\n");
WIN_ReleasePtr( wndPtr );
USER_Driver->pSetWindowText( hwnd, textW );
}
/***********************************************************************
* DEFWND_SetTextW
*
* Set the window text.
*/
static void DEFWND_SetTextW( HWND hwnd, LPCWSTR text )
{
static const WCHAR empty_string[] = {0};
WND *wndPtr;
int count;
if (!text) text = empty_string;
count = strlenW(text) + 1;
if (!(wndPtr = WIN_GetPtr( hwnd ))) return;
HeapFree(GetProcessHeap(), 0, wndPtr->text);
if ((wndPtr->text = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR))))
{
strcpyW( wndPtr->text, text );
SERVER_START_REQ( set_window_text )
{
req->handle = wine_server_user_handle( hwnd );
wine_server_add_data( req, wndPtr->text, (count-1) * sizeof(WCHAR) );
wine_server_call( req );
}
SERVER_END_REQ;
}
else
ERR("Not enough memory for window text\n");
text = wndPtr->text;
WIN_ReleasePtr( wndPtr );
USER_Driver->pSetWindowText( hwnd, text );
}
/***********************************************************************
* DEFWND_ControlColor
*
* Default colors for control painting.
*/
HBRUSH DEFWND_ControlColor( HDC hDC, UINT ctlType )
{
if( ctlType == CTLCOLOR_SCROLLBAR)
{
HBRUSH hb = GetSysColorBrush(COLOR_SCROLLBAR);
COLORREF bk = GetSysColor(COLOR_3DHILIGHT);
SetTextColor( hDC, GetSysColor(COLOR_3DFACE));
SetBkColor( hDC, bk);
/* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT
* we better use 0x55aa bitmap brush to make scrollbar's background
* look different from the window background.
*/
if (bk == GetSysColor(COLOR_WINDOW))
return SYSCOLOR_Get55AABrush();
UnrealizeObject( hb );
return hb;
}
SetTextColor( hDC, GetSysColor(COLOR_WINDOWTEXT));
if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
else {
SetBkColor( hDC, GetSysColor(COLOR_3DFACE) );
return GetSysColorBrush(COLOR_3DFACE);
}
return GetSysColorBrush(COLOR_WINDOW);
}
/***********************************************************************
* DEFWND_Print
*
* This method handles the default behavior for the WM_PRINT message.
*/
static void DEFWND_Print( HWND hwnd, HDC hdc, ULONG uFlags)
{
/*
* Visibility flag.
*/
if ( (uFlags & PRF_CHECKVISIBLE) &&
!IsWindowVisible(hwnd) )
return;
/*
* Unimplemented flags.
*/
if ( (uFlags & PRF_CHILDREN) ||
(uFlags & PRF_OWNED) ||
(uFlags & PRF_NONCLIENT) )
{
WARN("WM_PRINT message with unsupported flags\n");
}
/*
* Background
*/
if ( uFlags & PRF_ERASEBKGND)
SendMessageW(hwnd, WM_ERASEBKGND, (WPARAM)hdc, 0);
/*
* Client area
*/
if ( uFlags & PRF_CLIENT)
SendMessageW(hwnd, WM_PRINTCLIENT, (WPARAM)hdc, uFlags);
}
/***********************************************************************
* DEFWND_DefWinProc
*
* Default window procedure for messages that are the same in Ansi and Unicode.
*/
static LRESULT DEFWND_DefWinProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
switch(msg)
{
case WM_NCPAINT:
return NC_HandleNCPaint( hwnd, (HRGN)wParam );
case WM_NCHITTEST:
{
POINT pt;
pt.x = (short)LOWORD(lParam);
pt.y = (short)HIWORD(lParam);
return NC_HandleNCHitTest( hwnd, pt );
}
case WM_NCCALCSIZE:
return NC_HandleNCCalcSize( hwnd, wParam, (RECT *)lParam );
case WM_WINDOWPOSCHANGING:
return WINPOS_HandleWindowPosChanging( hwnd, (WINDOWPOS *)lParam );
case WM_WINDOWPOSCHANGED:
DEFWND_HandleWindowPosChanged( hwnd, (const WINDOWPOS *)lParam );
break;
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_MBUTTONDOWN:
iF10Key = iMenuSysKey = 0;
break;
case WM_NCLBUTTONDOWN:
return NC_HandleNCLButtonDown( hwnd, wParam, lParam );
case WM_LBUTTONDBLCLK:
return NC_HandleNCLButtonDblClk( hwnd, HTCLIENT, lParam );
case WM_NCLBUTTONDBLCLK:
return NC_HandleNCLButtonDblClk( hwnd, wParam, lParam );
case WM_NCRBUTTONDOWN:
return NC_HandleNCRButtonDown( hwnd, wParam, lParam );
case WM_RBUTTONUP:
{
POINT pt;
pt.x = (short)LOWORD(lParam);
pt.y = (short)HIWORD(lParam);
ClientToScreen(hwnd, &pt);
SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM)hwnd, MAKELPARAM(pt.x, pt.y) );
}
break;
case WM_NCRBUTTONUP:
/*
* FIXME : we must NOT send WM_CONTEXTMENU on a WM_NCRBUTTONUP (checked
* in Windows), but what _should_ we do? According to MSDN :
* "If it is appropriate to do so, the system sends the WM_SYSCOMMAND
* message to the window". When is it appropriate?
*/
break;
case WM_CONTEXTMENU:
if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
SendMessageW( GetParent(hwnd), msg, wParam, lParam );
else
{
LONG hitcode;
POINT pt;
WND *wndPtr = WIN_GetPtr( hwnd );
HMENU hMenu = wndPtr->hSysMenu;
WIN_ReleasePtr( wndPtr );
if (!hMenu) return 0;
pt.x = (short)LOWORD(lParam);
pt.y = (short)HIWORD(lParam);
hitcode = NC_HandleNCHitTest(hwnd, pt);
/* Track system popup if click was in the caption area. */
if (hitcode==HTCAPTION || hitcode==HTSYSMENU)
TrackPopupMenu(GetSystemMenu(hwnd, FALSE),
TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
pt.x, pt.y, 0, hwnd, NULL);
}
break;
case WM_POPUPSYSTEMMENU:
{
/* This is an undocumented message used by the windows taskbar to
display the system menu of windows that belong to other processes. */
HMENU menu = GetSystemMenu(hwnd, FALSE);
if (menu)
TrackPopupMenu(menu, TPM_LEFTBUTTON|TPM_RIGHTBUTTON,
LOWORD(lParam), HIWORD(lParam), 0, hwnd, NULL);
return 0;
}
case WM_NCACTIVATE:
return NC_HandleNCActivate( hwnd, wParam, lParam );
case WM_NCDESTROY:
{
WND *wndPtr = WIN_GetPtr( hwnd );
if (!wndPtr) return 0;
HeapFree( GetProcessHeap(), 0, wndPtr->text );
wndPtr->text = NULL;
HeapFree( GetProcessHeap(), 0, wndPtr->pScroll );
wndPtr->pScroll = NULL;
WIN_ReleasePtr( wndPtr );
return 0;
}
case WM_PRINT:
DEFWND_Print(hwnd, (HDC)wParam, lParam);
return 0;
case WM_PAINTICON:
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hdc = BeginPaint( hwnd, &ps );
if( hdc )
{
HICON hIcon;
if (IsIconic(hwnd) && ((hIcon = (HICON)GetClassLongPtrW( hwnd, GCLP_HICON))) )
{
RECT rc;
int x, y;
GetClientRect( hwnd, &rc );
x = (rc.right - rc.left - GetSystemMetrics(SM_CXICON))/2;
y = (rc.bottom - rc.top - GetSystemMetrics(SM_CYICON))/2;
TRACE("Painting class icon: vis rect=(%s)\n",
wine_dbgstr_rect(&ps.rcPaint));
DrawIcon( hdc, x, y, hIcon );
}
EndPaint( hwnd, &ps );
}
return 0;
}
case WM_SYNCPAINT:
RedrawWindow ( hwnd, NULL, 0, RDW_ERASENOW | RDW_ERASE | RDW_ALLCHILDREN );
return 0;
case WM_SETREDRAW:
if (wParam) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
else
{
RedrawWindow( hwnd, NULL, 0, RDW_ALLCHILDREN | RDW_VALIDATE );
WIN_SetStyle( hwnd, 0, WS_VISIBLE );
}
return 0;
case WM_CLOSE:
DestroyWindow( hwnd );
return 0;
case WM_MOUSEACTIVATE:
if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
{
LONG ret = SendMessageW( GetParent(hwnd), WM_MOUSEACTIVATE, wParam, lParam );
if (ret) return ret;
}
/* Caption clicks are handled by NC_HandleNCLButtonDown() */
return MA_ACTIVATE;
case WM_ACTIVATE:
/* The default action in Windows is to set the keyboard focus to
* the window, if it's being activated and not minimized */
if (LOWORD(wParam) != WA_INACTIVE) {
if (!IsIconic(hwnd)) SetFocus(hwnd);
}
break;
case WM_MOUSEWHEEL:
if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
return SendMessageW( GetParent(hwnd), WM_MOUSEWHEEL, wParam, lParam );
break;
case WM_ERASEBKGND:
case WM_ICONERASEBKGND:
{
RECT rect;
HDC hdc = (HDC)wParam;
HBRUSH hbr = (HBRUSH)GetClassLongPtrW( hwnd, GCLP_HBRBACKGROUND );
if (!hbr) return 0;
if (GetClassLongW( hwnd, GCL_STYLE ) & CS_PARENTDC)
{
/* can't use GetClipBox with a parent DC or we fill the whole parent */
GetClientRect( hwnd, &rect );
DPtoLP( hdc, (LPPOINT)&rect, 2 );
}
else GetClipBox( hdc, &rect );
FillRect( hdc, &rect, hbr );
return 1;
}
case WM_GETDLGCODE:
return 0;
case WM_CTLCOLORMSGBOX:
case WM_CTLCOLOREDIT:
case WM_CTLCOLORLISTBOX:
case WM_CTLCOLORBTN:
case WM_CTLCOLORDLG:
case WM_CTLCOLORSTATIC:
case WM_CTLCOLORSCROLLBAR:
return (LRESULT)DEFWND_ControlColor( (HDC)wParam, msg - WM_CTLCOLORMSGBOX );
case WM_CTLCOLOR:
return (LRESULT)DEFWND_ControlColor( (HDC)wParam, HIWORD(lParam) );
case WM_SETCURSOR:
if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
{
/* with the exception of the border around a resizable wnd,
* give the parent first chance to set the cursor */
if ((LOWORD(lParam) < HTSIZEFIRST) || (LOWORD(lParam) > HTSIZELAST))
{
HWND parent = GetParent( hwnd );
if (parent != GetDesktopWindow() &&
SendMessageW( parent, WM_SETCURSOR, wParam, lParam )) return TRUE;
}
}
NC_HandleSetCursor( hwnd, wParam, lParam );
break;
case WM_SYSCOMMAND:
return NC_HandleSysCommand( hwnd, wParam, lParam );
case WM_KEYDOWN:
if(wParam == VK_F10) iF10Key = VK_F10;
break;
case WM_SYSKEYDOWN:
if( HIWORD(lParam) & KEYDATA_ALT )
{
/* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
if ( (wParam == VK_MENU || wParam == VK_LMENU
|| wParam == VK_RMENU) && !iMenuSysKey )
iMenuSysKey = 1;
else
iMenuSysKey = 0;
iF10Key = 0;
if( wParam == VK_F4 ) /* try to close the window */
{
HWND top = GetAncestor( hwnd, GA_ROOT );
if (!(GetClassLongW( top, GCL_STYLE ) & CS_NOCLOSE))
PostMessageW( top, WM_SYSCOMMAND, SC_CLOSE, 0 );
}
}
else if( wParam == VK_F10 )
{
if (GetKeyState(VK_SHIFT) & 0x8000)
SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM)hwnd, -1 );
iF10Key = 1;
}
else if( wParam == VK_ESCAPE && (GetKeyState(VK_SHIFT) & 0x8000))
SendMessageW( hwnd, WM_SYSCOMMAND, SC_KEYMENU, ' ' );
break;
case WM_KEYUP:
case WM_SYSKEYUP:
/* Press and release F10 or ALT */
if (((wParam == VK_MENU || wParam == VK_LMENU || wParam == VK_RMENU)
&& iMenuSysKey) || ((wParam == VK_F10) && iF10Key))
SendMessageW( GetAncestor( hwnd, GA_ROOT ), WM_SYSCOMMAND, SC_KEYMENU, 0L );
iMenuSysKey = iF10Key = 0;
break;
case WM_SYSCHAR:
{
iMenuSysKey = 0;
if (wParam == '\r' && IsIconic(hwnd))
{
PostMessageW( hwnd, WM_SYSCOMMAND, SC_RESTORE, 0L );
break;
}
if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
{
if (wParam == '\t' || wParam == '\x1b') break;
if (wParam == ' ' && (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD))
SendMessageW( GetParent(hwnd), msg, wParam, lParam );
else
SendMessageW( hwnd, WM_SYSCOMMAND, SC_KEYMENU, wParam );
}
else /* check for Ctrl-Esc */
if (wParam != '\x1b') MessageBeep(0);
break;
}
case WM_SHOWWINDOW:
{
LONG style = GetWindowLongW( hwnd, GWL_STYLE );
WND *pWnd;
if (!lParam) return 0; /* sent from ShowWindow */
if ((style & WS_VISIBLE) && wParam) return 0;
if (!(style & WS_VISIBLE) && !wParam) return 0;
if (!GetWindow( hwnd, GW_OWNER )) return 0;
if (!(pWnd = WIN_GetPtr( hwnd ))) return 0;
if (pWnd == WND_OTHER_PROCESS) return 0;
if (wParam)
{
if (!(pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP))
{
WIN_ReleasePtr( pWnd );
return 0;
}
pWnd->flags &= ~WIN_NEEDS_SHOW_OWNEDPOPUP;
}
else pWnd->flags |= WIN_NEEDS_SHOW_OWNEDPOPUP;
WIN_ReleasePtr( pWnd );
ShowWindow( hwnd, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
break;
}
case WM_CANCELMODE:
iMenuSysKey = 0;
MENU_EndMenu( hwnd );
if (GetCapture() == hwnd) ReleaseCapture();
break;
case WM_VKEYTOITEM:
case WM_CHARTOITEM:
return -1;
case WM_DROPOBJECT:
return DRAG_FILE;
case WM_QUERYDROPOBJECT:
return (GetWindowLongA( hwnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES) != 0;
case WM_QUERYDRAGICON:
{
UINT len;
HICON hIcon = (HICON)GetClassLongPtrW( hwnd, GCLP_HICON );
HINSTANCE instance = (HINSTANCE)GetWindowLongPtrW( hwnd, GWLP_HINSTANCE );
if (hIcon) return (LRESULT)hIcon;
for(len=1; len<64; len++)
if((hIcon = LoadIconW(instance, MAKEINTRESOURCEW(len))))
return (LRESULT)hIcon;
return (LRESULT)LoadIconW(0, (LPWSTR)IDI_APPLICATION);
}
break;
case WM_ISACTIVEICON:
{
WND *wndPtr = WIN_GetPtr( hwnd );
BOOL ret = (wndPtr->flags & WIN_NCACTIVATED) != 0;
WIN_ReleasePtr( wndPtr );
return ret;
}
case WM_NOTIFYFORMAT:
if (IsWindowUnicode(hwnd)) return NFR_UNICODE;
else return NFR_ANSI;
case WM_QUERYOPEN:
case WM_QUERYENDSESSION:
return 1;
case WM_SETICON:
{
HICON ret;
WND *wndPtr = WIN_GetPtr( hwnd );
switch(wParam)
{
case ICON_SMALL:
ret = wndPtr->hIconSmall;
wndPtr->hIconSmall = (HICON)lParam;
break;
case ICON_BIG:
ret = wndPtr->hIcon;
wndPtr->hIcon = (HICON)lParam;
break;
default:
ret = 0;
break;
}
WIN_ReleasePtr( wndPtr );
USER_Driver->pSetWindowIcon( hwnd, wParam, (HICON)lParam );
if( (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CAPTION) == WS_CAPTION )
NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
return (LRESULT)ret;
}
case WM_GETICON:
{
HICON ret;
WND *wndPtr = WIN_GetPtr( hwnd );
switch(wParam)
{
case ICON_SMALL:
ret = wndPtr->hIconSmall;
break;
case ICON_BIG:
ret = wndPtr->hIcon;
break;
case ICON_SMALL2:
ret = wndPtr->hIconSmall;
if (!ret) ret = (HICON)GetClassLongPtrW( hwnd, GCLP_HICONSM );
/* FIXME: should have a default here if class icon is null */
break;
default:
ret = 0;
break;
}
WIN_ReleasePtr( wndPtr );
return (LRESULT)ret;
}
case WM_HELP:
SendMessageW( GetParent(hwnd), msg, wParam, lParam );
break;
case WM_STYLECHANGED:
if (wParam == GWL_STYLE && (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_LAYERED))
{
STYLESTRUCT *style = (STYLESTRUCT *)lParam;
if ((style->styleOld ^ style->styleNew) & (WS_CAPTION|WS_THICKFRAME|WS_VSCROLL|WS_HSCROLL))
SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOZORDER |
SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE );
}
break;
case WM_APPCOMMAND:
{
HWND parent = GetParent(hwnd);
if(!parent)
HOOK_CallHooks(WH_SHELL, HSHELL_APPCOMMAND, wParam, lParam, TRUE);
else
SendMessageW( parent, msg, wParam, lParam );
break;
}
case WM_KEYF1:
{
HELPINFO hi;
hi.cbSize = sizeof(HELPINFO);
GetCursorPos( &hi.MousePos );
if (MENU_IsMenuActive())
{
hi.iContextType = HELPINFO_MENUITEM;
hi.hItemHandle = MENU_IsMenuActive();
hi.iCtrlId = MenuItemFromPoint( hwnd, hi.hItemHandle, hi.MousePos );
hi.dwContextId = GetMenuContextHelpId( hi.hItemHandle );
}
else
{
hi.iContextType = HELPINFO_WINDOW;
hi.hItemHandle = hwnd;
hi.iCtrlId = GetWindowLongPtrA( hwnd, GWLP_ID );
hi.dwContextId = GetWindowContextHelpId( hwnd );
}
SendMessageW( hwnd, WM_HELP, 0, (LPARAM)&hi );
break;
}
case WM_INPUTLANGCHANGEREQUEST:
ActivateKeyboardLayout( (HKL)lParam, 0 );
break;
case WM_INPUTLANGCHANGE:
{
int count = 0;
HWND *win_array = WIN_ListChildren( hwnd );
if (!win_array)
break;
while (win_array[count])
SendMessageW( win_array[count++], WM_INPUTLANGCHANGE, wParam, lParam);
HeapFree(GetProcessHeap(),0,win_array);
break;
}
}
return 0;
}
static LPARAM DEFWND_GetTextA( WND *wndPtr, LPSTR dest, WPARAM wParam )
{
LPARAM result = 0;
__TRY
{
if (wndPtr->text)
{
if (!WideCharToMultiByte( CP_ACP, 0, wndPtr->text, -1,
dest, wParam, NULL, NULL )) dest[wParam-1] = 0;
result = strlen( dest );
}
else dest[0] = '\0';
}
__EXCEPT_PAGE_FAULT
{
return 0;
}
__ENDTRY
return result;
}
/***********************************************************************
* DefWindowProcA (USER32.@)
*
* See DefWindowProcW.
*/
LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
LRESULT result = 0;
HWND full_handle;
if (!(full_handle = WIN_IsCurrentProcess( hwnd )))
{
if (!IsWindow( hwnd )) return 0;
ERR( "called for other process window %p\n", hwnd );
return 0;
}
hwnd = full_handle;
SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
switch(msg)
{
case WM_NCCREATE:
if (lParam)
{
CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
/* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
* may have child window IDs instead of window name */
if (!IS_INTRESOURCE(cs->lpszName))
DEFWND_SetTextA( hwnd, cs->lpszName );
result = 1;
if(cs->style & (WS_HSCROLL | WS_VSCROLL))
{
SCROLLINFO si = {sizeof si, SIF_ALL, 0, 100, 0, 0, 0};
SetScrollInfo( hwnd, SB_HORZ, &si, FALSE );
SetScrollInfo( hwnd, SB_VERT, &si, FALSE );
}
}
break;
case WM_GETTEXTLENGTH:
{
WND *wndPtr = WIN_GetPtr( hwnd );
if (wndPtr && wndPtr->text)
result = WideCharToMultiByte( CP_ACP, 0, wndPtr->text, strlenW(wndPtr->text),
NULL, 0, NULL, NULL );
WIN_ReleasePtr( wndPtr );
}
break;
case WM_GETTEXT:
if (wParam)
{
LPSTR dest = (LPSTR)lParam;
WND *wndPtr = WIN_GetPtr( hwnd );
if (!wndPtr) break;
result = DEFWND_GetTextA( wndPtr, dest, wParam );
WIN_ReleasePtr( wndPtr );
}
break;
case WM_SETTEXT:
DEFWND_SetTextA( hwnd, (LPCSTR)lParam );
if( (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CAPTION) == WS_CAPTION )
NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
result = 1; /* success. FIXME: check text length */
break;
case WM_IME_CHAR:
if (HIBYTE(wParam)) PostMessageA( hwnd, WM_CHAR, HIBYTE(wParam), lParam );
PostMessageA( hwnd, WM_CHAR, LOBYTE(wParam), lParam );
break;
case WM_IME_KEYDOWN:
result = PostMessageA( hwnd, WM_KEYDOWN, wParam, lParam );
break;
case WM_IME_KEYUP:
result = PostMessageA( hwnd, WM_KEYUP, wParam, lParam );
break;
case WM_IME_STARTCOMPOSITION:
case WM_IME_COMPOSITION:
case WM_IME_ENDCOMPOSITION:
case WM_IME_SELECT:
case WM_IME_NOTIFY:
{
HWND hwndIME = ImmGetDefaultIMEWnd( hwnd );
if (hwndIME)
result = SendMessageA( hwndIME, msg, wParam, lParam );
}
break;
case WM_IME_SETCONTEXT:
{
HWND hwndIME = ImmGetDefaultIMEWnd( hwnd );
if (hwndIME) result = ImmIsUIMessageA( hwndIME, msg, wParam, lParam );
}
break;
case WM_SYSCHAR:
{
CHAR ch = LOWORD(wParam);
WCHAR wch;
MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wch, 1);
wParam = MAKEWPARAM( wch, HIWORD(wParam) );
}
/* fall through */
default:
result = DEFWND_DefWinProc( hwnd, msg, wParam, lParam );
break;
}
SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );
return result;
}
static LPARAM DEFWND_GetTextW( WND *wndPtr, LPWSTR dest, WPARAM wParam )
{
LPARAM result = 0;
__TRY
{
if (wndPtr->text)
{
lstrcpynW( dest, wndPtr->text, wParam );
result = strlenW( dest );
}
else dest[0] = '\0';
}
__EXCEPT_PAGE_FAULT
{
return 0;
}
__ENDTRY
return result;
}
/***********************************************************************
* DefWindowProcW (USER32.@) Calls default window message handler
*
* Calls default window procedure for messages not processed
* by application.
*
* RETURNS
* Return value is dependent upon the message.
*/
LRESULT WINAPI DefWindowProcW(
HWND hwnd, /* [in] window procedure receiving message */
UINT msg, /* [in] message identifier */
WPARAM wParam, /* [in] first message parameter */
LPARAM lParam ) /* [in] second message parameter */
{
LRESULT result = 0;
HWND full_handle;
if (!(full_handle = WIN_IsCurrentProcess( hwnd )))
{
if (!IsWindow( hwnd )) return 0;
ERR( "called for other process window %p\n", hwnd );
return 0;
}
hwnd = full_handle;
SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
switch(msg)
{
case WM_NCCREATE:
if (lParam)
{
CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
/* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
* may have child window IDs instead of window name */
if (!IS_INTRESOURCE(cs->lpszName))
DEFWND_SetTextW( hwnd, cs->lpszName );
result = 1;
if(cs->style & (WS_HSCROLL | WS_VSCROLL))
{
SCROLLINFO si = {sizeof si, SIF_ALL, 0, 100, 0, 0, 0};
SetScrollInfo( hwnd, SB_HORZ, &si, FALSE );
SetScrollInfo( hwnd, SB_VERT, &si, FALSE );
}
}
break;
case WM_GETTEXTLENGTH:
{
WND *wndPtr = WIN_GetPtr( hwnd );
if (wndPtr && wndPtr->text) result = (LRESULT)strlenW(wndPtr->text);
WIN_ReleasePtr( wndPtr );
}
break;
case WM_GETTEXT:
if (wParam)
{
LPWSTR dest = (LPWSTR)lParam;
WND *wndPtr = WIN_GetPtr( hwnd );
if (!wndPtr) break;
result = DEFWND_GetTextW( wndPtr, dest, wParam );
WIN_ReleasePtr( wndPtr );
}
break;
case WM_SETTEXT:
DEFWND_SetTextW( hwnd, (LPCWSTR)lParam );
if( (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CAPTION) == WS_CAPTION )
NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
result = 1; /* success. FIXME: check text length */
break;
case WM_IME_CHAR:
PostMessageW( hwnd, WM_CHAR, wParam, lParam );
break;
case WM_IME_KEYDOWN:
result = PostMessageW( hwnd, WM_KEYDOWN, wParam, lParam );
break;
case WM_IME_KEYUP:
result = PostMessageW( hwnd, WM_KEYUP, wParam, lParam );
break;
case WM_IME_SETCONTEXT:
{
HWND hwndIME = ImmGetDefaultIMEWnd( hwnd );
if (hwndIME) result = ImmIsUIMessageW( hwndIME, msg, wParam, lParam );
}
break;
case WM_IME_STARTCOMPOSITION:
case WM_IME_COMPOSITION:
case WM_IME_ENDCOMPOSITION:
case WM_IME_SELECT:
case WM_IME_NOTIFY:
{
HWND hwndIME = ImmGetDefaultIMEWnd( hwnd );
if (hwndIME)
result = SendMessageW( hwndIME, msg, wParam, lParam );
}
break;
default:
result = DEFWND_DefWinProc( hwnd, msg, wParam, lParam );
break;
}
SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );
return result;
}