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Sweden-Number/windows/defwnd.c

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/*
* Default window procedure
*
* Copyright 1993, 1996 Alexandre Julliard
* 1995 Alex Korobka
*/
#include <string.h>
#include "class.h"
#include "win.h"
#include "user.h"
#include "heap.h"
#include "nonclient.h"
#include "winpos.h"
#include "dce.h"
#include "debugtools.h"
#include "spy.h"
#include "tweak.h"
#include "cache.h"
#include "windef.h"
#include "wingdi.h"
#include "winnls.h"
#include "wine/unicode.h"
#include "wine/winuser16.h"
DEFAULT_DEBUG_CHANNEL(win);
/* bits in the dwKeyData */
#define KEYDATA_ALT 0x2000
#define KEYDATA_PREVSTATE 0x4000
static short iF10Key = 0;
static short iMenuSysKey = 0;
/***********************************************************************
* DEFWND_HandleWindowPosChanged
*
* Handle the WM_WINDOWPOSCHANGED message.
*/
static void DEFWND_HandleWindowPosChanged( WND *wndPtr, UINT flags )
{
WPARAM16 wp = SIZE_RESTORED;
if (!(flags & SWP_NOCLIENTMOVE))
SendMessage16( wndPtr->hwndSelf, WM_MOVE, 0,
MAKELONG(wndPtr->rectClient.left, wndPtr->rectClient.top));
if (!(flags & SWP_NOCLIENTSIZE))
{
if (wndPtr->dwStyle & WS_MAXIMIZE) wp = SIZE_MAXIMIZED;
else if (wndPtr->dwStyle & WS_MINIMIZE) wp = SIZE_MINIMIZED;
SendMessage16( wndPtr->hwndSelf, WM_SIZE, wp,
MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
wndPtr->rectClient.bottom-wndPtr->rectClient.top));
}
}
/***********************************************************************
* DEFWND_SetTextA
*
* Set the window text.
*/
void DEFWND_SetTextA( WND *wndPtr, LPCSTR text )
{
int count;
if (!text) text = "";
count = MultiByteToWideChar( CP_ACP, 0, text, -1, NULL, 0 );
if (wndPtr->text) HeapFree(SystemHeap, 0, wndPtr->text);
if ((wndPtr->text = HeapAlloc(SystemHeap, 0, count * sizeof(WCHAR))))
MultiByteToWideChar( CP_ACP, 0, text, -1, wndPtr->text, count );
else
ERR("Not enough memory for window text");
wndPtr->pDriver->pSetText(wndPtr, wndPtr->text);
}
/***********************************************************************
* DEFWND_SetTextW
*
* Set the window text.
*/
void DEFWND_SetTextW( WND *wndPtr, LPCWSTR text )
{
static const WCHAR empty_string[] = {0};
int count;
if (!text) text = empty_string;
count = strlenW(text) + 1;
if (wndPtr->text) HeapFree(SystemHeap, 0, wndPtr->text);
if ((wndPtr->text = HeapAlloc(SystemHeap, 0, count * sizeof(WCHAR))))
lstrcpyW( wndPtr->text, text );
else
ERR("Not enough memory for window text");
wndPtr->pDriver->pSetText(wndPtr, wndPtr->text);
}
/***********************************************************************
* DEFWND_ControlColor
*
* Default colors for control painting.
*/
HBRUSH DEFWND_ControlColor( HDC hDC, UINT16 ctlType )
{
if( ctlType == CTLCOLOR_SCROLLBAR)
{
HBRUSH hb = GetSysColorBrush(COLOR_SCROLLBAR);
if (TWEAK_WineLook == WIN31_LOOK) {
SetTextColor( hDC, RGB(0, 0, 0) );
SetBkColor( hDC, RGB(255, 255, 255) );
} else {
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 CACHE_GetPattern55AABrush();
}
}
UnrealizeObject( hb );
return hb;
}
SetTextColor( hDC, GetSysColor(COLOR_WINDOWTEXT));
if (TWEAK_WineLook > WIN31_LOOK) {
if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
else {
SetBkColor( hDC, GetSysColor(COLOR_3DFACE) );
return GetSysColorBrush(COLOR_3DFACE);
}
}
else
SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
return GetSysColorBrush(COLOR_WINDOW);
}
/***********************************************************************
* DEFWND_SetRedraw
*/
static void DEFWND_SetRedraw( WND* wndPtr, WPARAM wParam )
{
BOOL bVisible = wndPtr->dwStyle & WS_VISIBLE;
TRACE("%04x %i\n", wndPtr->hwndSelf, (wParam!=0) );
if( wParam )
{
if( !bVisible )
{
wndPtr->dwStyle |= WS_VISIBLE;
DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
}
}
else if( bVisible )
{
if( wndPtr->dwStyle & WS_MINIMIZE ) wParam = RDW_VALIDATE;
else wParam = RDW_ALLCHILDREN | RDW_VALIDATE;
PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, 0, wParam, 0 );
DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
wndPtr->dwStyle &= ~WS_VISIBLE;
}
}
/***********************************************************************
* DEFWND_Print
*
* This method handles the default behavior for the WM_PRINT message.
*/
static void DEFWND_Print(
WND* wndPtr,
HDC hdc,
ULONG uFlags)
{
/*
* Visibility flag.
*/
if ( (uFlags & PRF_CHECKVISIBLE) &&
!IsWindowVisible(wndPtr->hwndSelf) )
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)
SendMessageA(wndPtr->hwndSelf, WM_ERASEBKGND, (WPARAM)hdc, 0);
/*
* Client area
*/
if ( uFlags & PRF_CLIENT)
SendMessageA(wndPtr->hwndSelf, WM_PRINTCLIENT, (WPARAM)hdc, PRF_CLIENT);
}
/***********************************************************************
* DEFWND_DefWinProc
*
* Default window procedure for messages that are the same in Win16 and Win32.
*/
static LRESULT DEFWND_DefWinProc( WND *wndPtr, UINT msg, WPARAM wParam,
LPARAM lParam )
{
switch(msg)
{
case WM_NCPAINT:
return NC_HandleNCPaint( wndPtr->hwndSelf, (HRGN)wParam );
case WM_NCHITTEST:
return NC_HandleNCHitTest( wndPtr->hwndSelf, MAKEPOINT16(lParam) );
case WM_NCLBUTTONDOWN:
return NC_HandleNCLButtonDown( wndPtr, wParam, lParam );
case WM_LBUTTONDBLCLK:
case WM_NCLBUTTONDBLCLK:
return NC_HandleNCLButtonDblClk( wndPtr, wParam, lParam );
case WM_RBUTTONUP:
case WM_NCRBUTTONUP:
if ((wndPtr->flags & WIN_ISWIN32) || (TWEAK_WineLook > WIN31_LOOK))
{
ClientToScreen16(wndPtr->hwndSelf, (LPPOINT16)&lParam);
SendMessageA( wndPtr->hwndSelf, WM_CONTEXTMENU,
wndPtr->hwndSelf, lParam);
}
break;
case WM_CONTEXTMENU:
if( wndPtr->dwStyle & WS_CHILD )
SendMessageA( wndPtr->parent->hwndSelf, msg, wParam, lParam );
else if (wndPtr->hSysMenu)
{
LONG hitcode;
POINT16 pt = MAKEPOINT16(lParam);
ScreenToClient16(wndPtr->hwndSelf, &pt);
hitcode = NC_HandleNCHitTest(wndPtr->hwndSelf, pt);
/* Track system popup if click was in the caption area. */
if (hitcode==HTCAPTION || hitcode==HTSYSMENU)
TrackPopupMenu(GetSystemMenu(wndPtr->hwndSelf, FALSE),
TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
pt.x, pt.y, 0, wndPtr->hwndSelf, NULL);
}
break;
case WM_NCACTIVATE:
return NC_HandleNCActivate( wndPtr, wParam );
case WM_NCDESTROY:
if (wndPtr->text) HeapFree( SystemHeap, 0, wndPtr->text );
wndPtr->text = NULL;
if (wndPtr->pVScroll) HeapFree( SystemHeap, 0, wndPtr->pVScroll );
if (wndPtr->pHScroll) HeapFree( SystemHeap, 0, wndPtr->pHScroll );
wndPtr->pVScroll = wndPtr->pHScroll = NULL;
return 0;
case WM_PRINT:
DEFWND_Print(wndPtr, (HDC)wParam, lParam);
return 0;
case WM_PAINTICON:
case WM_PAINT:
{
PAINTSTRUCT16 ps;
HDC16 hdc = BeginPaint16( wndPtr->hwndSelf, &ps );
if( hdc )
{
if( (wndPtr->dwStyle & WS_MINIMIZE) && wndPtr->class->hIcon )
{
int x = (wndPtr->rectWindow.right - wndPtr->rectWindow.left -
GetSystemMetrics(SM_CXICON))/2;
int y = (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top -
GetSystemMetrics(SM_CYICON))/2;
TRACE("Painting class icon: vis rect=(%i,%i - %i,%i)\n",
ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom );
DrawIcon( hdc, x, y, wndPtr->class->hIcon );
}
EndPaint16( wndPtr->hwndSelf, &ps );
}
return 0;
}
case WM_SETREDRAW:
DEFWND_SetRedraw( wndPtr, wParam );
return 0;
case WM_CLOSE:
DestroyWindow( wndPtr->hwndSelf );
return 0;
case WM_MOUSEACTIVATE:
if (wndPtr->dwStyle & WS_CHILD)
{
LONG ret = SendMessage16( wndPtr->parent->hwndSelf,
WM_MOUSEACTIVATE, wParam, lParam );
if (ret) return ret;
}
/* Caption clicks are handled by the NC_HandleNCLButtonDown() */
return (LOWORD(lParam) >= HTCLIENT) ? MA_ACTIVATE : MA_NOACTIVATE;
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 (!(wndPtr->dwStyle & WS_MINIMIZE))
SetFocus(wndPtr->hwndSelf);
}
break;
case WM_MOUSEWHEEL:
if (wndPtr->dwStyle & WS_CHILD)
{
return SendMessageA( wndPtr->parent->hwndSelf,
WM_MOUSEWHEEL, wParam, lParam );
}
break;
case WM_ERASEBKGND:
case WM_ICONERASEBKGND:
{
RECT rect;
if (!wndPtr->class->hbrBackground) return 0;
/* Since WM_ERASEBKGND may receive either a window dc or a */
/* client dc, the area to be erased has to be retrieved from */
/* the device context. */
GetClipBox( (HDC)wParam, &rect );
/* Always call the Win32 variant of FillRect even on Win16,
* since despite the fact that Win16, as well as Win32,
* supports special background brushes for a window class,
* the Win16 variant of FillRect does not.
*/
FillRect( (HDC) wParam, &rect, wndPtr->class->hbrBackground);
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_GETTEXTLENGTH:
if (wndPtr->text) return (LRESULT)strlenW(wndPtr->text);
return 0;
case WM_SETCURSOR:
if (wndPtr->dwStyle & WS_CHILD)
if (SendMessage16(wndPtr->parent->hwndSelf, WM_SETCURSOR,
wParam, lParam))
return TRUE;
return NC_HandleSetCursor( wndPtr->hwndSelf, wParam, lParam );
case WM_SYSCOMMAND:
return NC_HandleSysCommand( wndPtr->hwndSelf, wParam,
MAKEPOINT16(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 && !iMenuSysKey )
iMenuSysKey = 1;
else
iMenuSysKey = 0;
iF10Key = 0;
if( wParam == VK_F4 ) /* try to close the window */
{
HWND hWnd = WIN_GetTopParent( wndPtr->hwndSelf );
wndPtr = WIN_FindWndPtr( hWnd );
if( wndPtr && !(wndPtr->class->style & CS_NOCLOSE) )
PostMessage16( hWnd, WM_SYSCOMMAND, SC_CLOSE, 0 );
WIN_ReleaseWndPtr(wndPtr);
}
}
else if( wParam == VK_F10 )
iF10Key = 1;
else
if( wParam == VK_ESCAPE && (GetKeyState(VK_SHIFT) & 0x8000))
SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
(WPARAM16)SC_KEYMENU, (LPARAM)VK_SPACE);
break;
case WM_KEYUP:
case WM_SYSKEYUP:
/* Press and release F10 or ALT */
if (((wParam == VK_MENU) && iMenuSysKey) ||
((wParam == VK_F10) && iF10Key))
SendMessage16( WIN_GetTopParent(wndPtr->hwndSelf),
WM_SYSCOMMAND, SC_KEYMENU, 0L );
iMenuSysKey = iF10Key = 0;
break;
case WM_SYSCHAR:
iMenuSysKey = 0;
if (wParam == VK_RETURN && (wndPtr->dwStyle & WS_MINIMIZE))
{
PostMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
(WPARAM16)SC_RESTORE, 0L );
break;
}
if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
{
if (wParam == VK_TAB || wParam == VK_ESCAPE) break;
if (wParam == VK_SPACE && (wndPtr->dwStyle & WS_CHILD))
SendMessage16( wndPtr->parent->hwndSelf, msg, wParam, lParam );
else
SendMessage16( wndPtr->hwndSelf, WM_SYSCOMMAND,
(WPARAM16)SC_KEYMENU, (LPARAM)(DWORD)wParam );
}
else /* check for Ctrl-Esc */
if (wParam != VK_ESCAPE) MessageBeep(0);
break;
case WM_SHOWWINDOW:
if (!lParam) return 0; /* sent from ShowWindow */
if (!(wndPtr->dwStyle & WS_POPUP) || !wndPtr->owner) return 0;
if ((wndPtr->dwStyle & WS_VISIBLE) && wParam) return 0;
else if (!(wndPtr->dwStyle & WS_VISIBLE) && !wParam) return 0;
ShowWindow( wndPtr->hwndSelf, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
break;
case WM_CANCELMODE:
if (wndPtr->parent == WIN_GetDesktop()) EndMenu();
if (GetCapture() == wndPtr->hwndSelf) ReleaseCapture();
WIN_ReleaseDesktop();
break;
case WM_VKEYTOITEM:
case WM_CHARTOITEM:
return -1;
case WM_DROPOBJECT:
return DRAG_FILE;
case WM_QUERYDROPOBJECT:
if (wndPtr->dwExStyle & WS_EX_ACCEPTFILES) return 1;
break;
case WM_QUERYDRAGICON:
{
HICON16 hIcon=0;
UINT16 len;
if( (hIcon=wndPtr->class->hCursor) ) return (LRESULT)hIcon;
for(len=1; len<64; len++)
if((hIcon=LoadIcon16(wndPtr->hInstance,MAKEINTRESOURCE16(len))))
return (LRESULT)hIcon;
return (LRESULT)LoadIcon16(0,IDI_APPLICATION16);
}
break;
case WM_ISACTIVEICON:
return ((wndPtr->flags & WIN_NCACTIVATED) != 0);
case WM_NOTIFYFORMAT:
if (IsWindowUnicode(wndPtr->hwndSelf)) return NFR_UNICODE;
else return NFR_ANSI;
case WM_QUERYOPEN:
case WM_QUERYENDSESSION:
return 1;
case WM_SETICON:
{
int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
HICON16 hOldIcon = GetClassLongA(wndPtr->hwndSelf, index);
SetClassLongA(wndPtr->hwndSelf, index, lParam);
SetWindowPos(wndPtr->hwndSelf, 0, 0, 0, 0, 0, SWP_FRAMECHANGED
| SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE
| SWP_NOZORDER);
if( wndPtr->flags & WIN_NATIVE )
wndPtr->pDriver->pSetHostAttr(wndPtr, HAK_ICONS, 0);
return hOldIcon;
}
case WM_GETICON:
{
int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
return GetClassLongA(wndPtr->hwndSelf, index);
}
case WM_HELP:
SendMessageA( wndPtr->parent->hwndSelf, msg, wParam, lParam );
break;
}
return 0;
}
/***********************************************************************
* DefWindowProc16 (USER.107)
*/
LRESULT WINAPI DefWindowProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
LPARAM lParam )
{
WND * wndPtr = WIN_FindWndPtr( hwnd );
LRESULT result = 0;
if (!wndPtr) return 0;
SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
switch(msg)
{
case WM_NCCREATE:
{
CREATESTRUCT16 *cs = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam);
if (cs->lpszName)
DEFWND_SetTextA( wndPtr, (LPCSTR)PTR_SEG_TO_LIN(cs->lpszName) );
result = 1;
}
break;
case WM_NCCALCSIZE:
{
RECT rect32;
CONV_RECT16TO32( (RECT16 *)PTR_SEG_TO_LIN(lParam), &rect32 );
result = NC_HandleNCCalcSize( wndPtr, &rect32 );
CONV_RECT32TO16( &rect32, (RECT16 *)PTR_SEG_TO_LIN(lParam) );
}
break;
case WM_WINDOWPOSCHANGING:
result = WINPOS_HandleWindowPosChanging16( wndPtr,
(WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam) );
break;
case WM_WINDOWPOSCHANGED:
{
WINDOWPOS16 * winPos = (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam);
DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
}
break;
case WM_GETTEXT:
if (wParam && wndPtr->text)
{
lstrcpynWtoA( (LPSTR)PTR_SEG_TO_LIN(lParam), wndPtr->text, wParam );
result = (LRESULT)strlen( (LPSTR)PTR_SEG_TO_LIN(lParam) );
}
break;
case WM_SETTEXT:
DEFWND_SetTextA( wndPtr, (LPCSTR)PTR_SEG_TO_LIN(lParam) );
if( wndPtr->dwStyle & WS_CAPTION ) NC_HandleNCPaint( hwnd , (HRGN)1 );
break;
default:
result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
break;
}
WIN_ReleaseWndPtr(wndPtr);
SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result );
return result;
}
/***********************************************************************
* DefWindowProcA [USER32.126]
*
*/
LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam )
{
WND * wndPtr = WIN_FindWndPtr( hwnd );
LRESULT result = 0;
if (!wndPtr) return 0;
SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
switch(msg)
{
case WM_NCCREATE:
{
CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
if (cs->lpszName) DEFWND_SetTextA( wndPtr, cs->lpszName );
result = 1;
}
break;
case WM_NCCALCSIZE:
result = NC_HandleNCCalcSize( wndPtr, (RECT *)lParam );
break;
case WM_WINDOWPOSCHANGING:
result = WINPOS_HandleWindowPosChanging( wndPtr,
(WINDOWPOS *)lParam );
break;
case WM_WINDOWPOSCHANGED:
{
WINDOWPOS * winPos = (WINDOWPOS *)lParam;
DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
}
break;
case WM_GETTEXT:
if (wParam && wndPtr->text)
{
lstrcpynWtoA( (LPSTR)lParam, wndPtr->text, wParam );
result = (LRESULT)strlen( (LPSTR)lParam );
}
break;
case WM_SETTEXT:
DEFWND_SetTextA( wndPtr, (LPCSTR)lParam );
NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
break;
default:
result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
break;
}
WIN_ReleaseWndPtr(wndPtr);
SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result );
return result;
}
/***********************************************************************
* DefWindowProcW [USER32.127] 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 recieving message */
UINT msg, /* [in] message identifier */
WPARAM wParam, /* [in] first message parameter */
LPARAM lParam ) /* [in] second message parameter */
{
WND * wndPtr = WIN_FindWndPtr( hwnd );
LRESULT result = 0;
if (!wndPtr) return 0;
switch(msg)
{
case WM_NCCREATE:
{
CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
if (cs->lpszName) DEFWND_SetTextW( wndPtr, cs->lpszName );
result = 1;
}
break;
case WM_GETTEXT:
if (wParam && wndPtr->text)
{
lstrcpynW( (LPWSTR)lParam, wndPtr->text, wParam );
result = strlenW( (LPWSTR)lParam );
}
break;
case WM_SETTEXT:
DEFWND_SetTextW( wndPtr, (LPCWSTR)lParam );
NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
break;
default:
result = DefWindowProcA( hwnd, msg, wParam, lParam );
break;
}
WIN_ReleaseWndPtr(wndPtr);
return result;
}
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