510 lines
14 KiB
C
510 lines
14 KiB
C
/*
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* Default window procedure
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*
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* Copyright 1993 Alexandre Julliard
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* 1995 Alex Korobka
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include "win.h"
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#include "user.h"
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#include "heap.h"
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#include "nonclient.h"
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#include "winpos.h"
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#include "string32.h"
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#include "syscolor.h"
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#include "stddebug.h"
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/* #define DEBUG_MESSAGE */
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#include "debug.h"
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#include "spy.h"
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/* Last COLOR id */
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#define COLOR_MAX COLOR_BTNHIGHLIGHT
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/* bits in the dwKeyData */
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#define KEYDATA_ALT 0x2000
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#define KEYDATA_PREVSTATE 0x4000
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static short iF10Key = 0;
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static short iMenuSysKey = 0;
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/***********************************************************************
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* DEFWND_InitSysMenuPopup
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*
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* Handle the WM_INITMENUPOPUP message on the system menu.
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*/
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static void DEFWND_InitSysMenuPopup( HMENU hmenu, DWORD style, DWORD clsStyle )
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{
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BOOL gray;
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gray = !(style & WS_THICKFRAME) || (style & (WS_MAXIMIZE | WS_MINIMIZE));
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EnableMenuItem( hmenu, SC_SIZE, (gray ? MF_GRAYED : MF_ENABLED) );
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gray = ((style & WS_MAXIMIZE) != 0);
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EnableMenuItem( hmenu, SC_MOVE, (gray ? MF_GRAYED : MF_ENABLED) );
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gray = !(style & WS_MINIMIZEBOX) || (style & WS_MINIMIZE);
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EnableMenuItem( hmenu, SC_MINIMIZE, (gray ? MF_GRAYED : MF_ENABLED) );
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gray = !(style & WS_MAXIMIZEBOX) || (style & WS_MAXIMIZE);
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EnableMenuItem( hmenu, SC_MAXIMIZE, (gray ? MF_GRAYED : MF_ENABLED) );
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gray = !(style & (WS_MAXIMIZE | WS_MINIMIZE));
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EnableMenuItem( hmenu, SC_RESTORE, (gray ? MF_GRAYED : MF_ENABLED) );
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gray = (clsStyle & CS_NOCLOSE) != 0;
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EnableMenuItem( hmenu, SC_CLOSE, (gray ? MF_GRAYED : MF_ENABLED) );
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}
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/***********************************************************************
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* DEFWND_HandleWindowPosChanged
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*
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* Handle the WM_WINDOWPOSCHANGED message.
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*/
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static void DEFWND_HandleWindowPosChanged( WND *wndPtr, UINT32 flags )
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{
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WPARAM16 wp = SIZE_RESTORED;
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if (!(flags & SWP_NOCLIENTMOVE))
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SendMessage16( wndPtr->hwndSelf, WM_MOVE, 0,
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MAKELONG(wndPtr->rectClient.left, wndPtr->rectClient.top));
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if (!(flags & SWP_NOCLIENTSIZE))
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{
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if (wndPtr->dwStyle & WS_MAXIMIZE) wp = SIZE_MAXIMIZED;
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else if (wndPtr->dwStyle & WS_MINIMIZE) wp = SIZE_MINIMIZED;
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SendMessage16( wndPtr->hwndSelf, WM_SIZE, wp,
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MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
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wndPtr->rectClient.bottom-wndPtr->rectClient.top));
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}
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}
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/***********************************************************************
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* DEFWND_SetText
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*
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* Set the window text.
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*/
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void DEFWND_SetText( WND *wndPtr, LPCSTR text )
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{
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if (!text) text = "";
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if (wndPtr->text) HeapFree( SystemHeap, 0, wndPtr->text );
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wndPtr->text = HEAP_strdupA( SystemHeap, 0, text );
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if (wndPtr->window) XStoreName( display, wndPtr->window, wndPtr->text );
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}
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/***********************************************************************
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* DEFWND_DefWinProc
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*
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* Default window procedure for messages that are the same in Win16 and Win32.
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*/
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static LRESULT DEFWND_DefWinProc( WND *wndPtr, UINT32 msg, WPARAM32 wParam,
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LPARAM lParam )
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{
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HWND16 hwnd = wndPtr->hwndSelf;
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switch(msg)
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{
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case WM_PAINTICON:
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case WM_NCPAINT:
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return NC_HandleNCPaint( hwnd, (HRGN)wParam );
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case WM_NCHITTEST:
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return NC_HandleNCHitTest( hwnd, MAKEPOINT16(lParam) );
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case WM_NCLBUTTONDOWN:
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return NC_HandleNCLButtonDown( hwnd, wParam, lParam );
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case WM_LBUTTONDBLCLK:
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case WM_NCLBUTTONDBLCLK:
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return NC_HandleNCLButtonDblClk( wndPtr, wParam, lParam );
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case WM_NCACTIVATE:
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return NC_HandleNCActivate( hwnd, wParam );
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case WM_NCDESTROY:
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if (wndPtr->text) HeapFree( SystemHeap, 0, wndPtr->text );
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wndPtr->text = NULL;
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if (wndPtr->hVScroll) USER_HEAP_FREE(wndPtr->hVScroll);
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if (wndPtr->hHScroll) USER_HEAP_FREE(wndPtr->hHScroll);
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wndPtr->hVScroll = wndPtr->hHScroll = 0;
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return 0;
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case WM_PAINT:
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{
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PAINTSTRUCT16 paintstruct;
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BeginPaint16( hwnd, &paintstruct );
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EndPaint16( hwnd, &paintstruct );
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return 0;
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}
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case WM_SETREDRAW:
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if (!wParam)
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{
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ValidateRect32( hwnd, NULL );
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wndPtr->flags |= WIN_NO_REDRAW;
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}
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else wndPtr->flags &= ~WIN_NO_REDRAW;
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return 0;
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case WM_CLOSE:
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DestroyWindow( hwnd );
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return 0;
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case WM_MOUSEACTIVATE:
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if (wndPtr->dwStyle & WS_CHILD)
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{
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LONG ret = SendMessage16( wndPtr->parent->hwndSelf, WM_MOUSEACTIVATE,
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wParam, lParam );
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if (ret) return ret;
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}
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return MA_ACTIVATE;
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case WM_ACTIVATE:
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if (LOWORD(wParam) != WA_INACTIVE) SetFocus( hwnd );
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break;
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case WM_ERASEBKGND:
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case WM_ICONERASEBKGND:
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{
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if (!wndPtr->class->hbrBackground) return 0;
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if (wndPtr->class->hbrBackground <= (HBRUSH)(COLOR_MAX+1))
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{
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HBRUSH hbrush;
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hbrush = CreateSolidBrush(
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GetSysColor(((DWORD)wndPtr->class->hbrBackground)-1));
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FillWindow( GetParent(hwnd), hwnd, (HDC)wParam, hbrush);
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DeleteObject (hbrush);
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}
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else
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FillWindow( GetParent(hwnd), hwnd, (HDC)wParam,
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wndPtr->class->hbrBackground );
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return 1;
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}
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case WM_GETDLGCODE:
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return 0;
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case WM_CTLCOLORMSGBOX:
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case WM_CTLCOLOREDIT:
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case WM_CTLCOLORLISTBOX:
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case WM_CTLCOLORBTN:
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case WM_CTLCOLORDLG:
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case WM_CTLCOLORSTATIC:
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SetBkColor( (HDC)wParam, GetSysColor(COLOR_WINDOW) );
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SetTextColor( (HDC)wParam, GetSysColor(COLOR_WINDOWTEXT) );
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return (LRESULT)sysColorObjects.hbrushWindow;
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case WM_CTLCOLORSCROLLBAR:
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SetBkColor( (HDC)wParam, RGB(255, 255, 255) );
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SetTextColor( (HDC)wParam, RGB(0, 0, 0) );
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UnrealizeObject( sysColorObjects.hbrushScrollbar );
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return (LRESULT)sysColorObjects.hbrushScrollbar;
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case WM_CTLCOLOR:
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{
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if (HIWORD(lParam) == CTLCOLOR_SCROLLBAR)
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{
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SetBkColor( (HDC)wParam, RGB(255, 255, 255) );
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SetTextColor( (HDC)wParam, RGB(0, 0, 0) );
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UnrealizeObject( sysColorObjects.hbrushScrollbar );
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return (LRESULT)sysColorObjects.hbrushScrollbar;
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}
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else
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{
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SetBkColor( (HDC)wParam, GetSysColor(COLOR_WINDOW) );
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SetTextColor( (HDC)wParam, GetSysColor(COLOR_WINDOWTEXT) );
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return (LRESULT)sysColorObjects.hbrushWindow;
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}
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}
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case WM_GETTEXTLENGTH:
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if (wndPtr->text) return (LRESULT)strlen(wndPtr->text);
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return 0;
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case WM_SETCURSOR:
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if (wndPtr->dwStyle & WS_CHILD)
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if (SendMessage16(wndPtr->parent->hwndSelf, WM_SETCURSOR,
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wParam, lParam))
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return TRUE;
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return NC_HandleSetCursor( hwnd, wParam, lParam );
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case WM_SYSCOMMAND:
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return NC_HandleSysCommand( hwnd, wParam, MAKEPOINT16(lParam) );
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case WM_KEYDOWN:
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if(wParam == VK_F10) iF10Key = VK_F10;
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break;
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case WM_SYSKEYDOWN:
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if( HIWORD(lParam) & KEYDATA_ALT )
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{
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/* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
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if( wParam == VK_MENU && !iMenuSysKey )
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iMenuSysKey = 1;
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else
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iMenuSysKey = 0;
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iF10Key = 0;
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}
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else if( wParam == VK_F10 )
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iF10Key = 1;
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else
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if( wParam == VK_ESCAPE && GetKeyState(VK_SHIFT) < 0 )
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SendMessage16( hwnd, WM_SYSCOMMAND, (WPARAM)SC_KEYMENU,
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(LPARAM)VK_SPACE);
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break;
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case WM_KEYUP:
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case WM_SYSKEYUP:
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/* Press and release F10 or ALT */
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if (((wParam == VK_MENU) && iMenuSysKey) ||
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((wParam == VK_F10) && iF10Key))
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SendMessage16( WIN_GetTopParent(hwnd), WM_SYSCOMMAND,
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SC_KEYMENU, 0L );
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iMenuSysKey = iF10Key = 0;
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break;
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case WM_SYSCHAR:
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iMenuSysKey = 0;
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if (wParam == VK_RETURN && (wndPtr->dwStyle & WS_MINIMIZE))
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{
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PostMessage(hwnd, WM_SYSCOMMAND, (WPARAM)SC_RESTORE, 0L );
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break;
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}
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if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
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{
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if (wParam == VK_TAB || wParam == VK_ESCAPE) break;
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if (wParam == VK_SPACE && (wndPtr->dwStyle & WS_CHILD))
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SendMessage16( wndPtr->parent->hwndSelf, msg, wParam, lParam );
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else
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SendMessage16( hwnd, WM_SYSCOMMAND, (WPARAM)SC_KEYMENU, (LPARAM)(DWORD)wParam );
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}
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else /* check for Ctrl-Esc */
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if (wParam != VK_ESCAPE) MessageBeep(0);
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break;
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case WM_SHOWWINDOW:
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if (!lParam) return 0; /* sent from ShowWindow */
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if (!(wndPtr->dwStyle & WS_POPUP) || !wndPtr->owner) return 0;
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if ((wndPtr->dwStyle & WS_VISIBLE) && wParam) return 0;
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else if (!(wndPtr->dwStyle & WS_VISIBLE) && !wParam) return 0;
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ShowWindow( hwnd, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
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break;
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case WM_INITMENUPOPUP:
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/* Not absolutely sure this belongs here -- AJ */
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if (HIWORD(lParam)) /* system menu */
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DEFWND_InitSysMenuPopup( (HMENU)wParam, wndPtr->dwStyle,
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wndPtr->class->style );
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break;
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case WM_CANCELMODE:
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/* EndMenu() should be called if in menu state but currently it's
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impossible to detect - menu code should be updated*/
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if (GetCapture() == hwnd) ReleaseCapture();
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break;
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case WM_VKEYTOITEM:
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case WM_CHARTOITEM:
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return -1;
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case WM_DROPOBJECT:
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return DRAG_FILE;
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case WM_QUERYDROPOBJECT:
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if (wndPtr->dwExStyle & WS_EX_ACCEPTFILES) return 1;
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break;
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case WM_QUERYDRAGICON:
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{
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HICON hI = 0;
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UINT16 len = 1;
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while(len < 64)
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if( (hI = LoadIcon(wndPtr->hInstance,MAKEINTRESOURCE(len))) )
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return (LRESULT)hI;
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}
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break;
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case WM_QUERYOPEN:
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case WM_QUERYENDSESSION:
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return 1;
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}
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return 0;
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}
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/***********************************************************************
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* DefWindowProc16 (USER.107)
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*/
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LRESULT DefWindowProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
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LPARAM lParam )
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{
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WND * wndPtr = WIN_FindWndPtr( hwnd );
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LRESULT result = 0;
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SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
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switch(msg)
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{
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case WM_NCCREATE:
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{
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CREATESTRUCT16 *cs = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam);
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if (cs->lpszName)
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DEFWND_SetText( wndPtr, (LPSTR)PTR_SEG_TO_LIN(cs->lpszName) );
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result = 1;
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}
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break;
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case WM_NCCALCSIZE:
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result = NC_HandleNCCalcSize(wndPtr, (RECT16 *)PTR_SEG_TO_LIN(lParam));
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break;
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case WM_WINDOWPOSCHANGING:
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result = WINPOS_HandleWindowPosChanging16( wndPtr,
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(WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam) );
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break;
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case WM_WINDOWPOSCHANGED:
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{
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WINDOWPOS16 * winPos = (WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam);
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DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
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}
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break;
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case WM_GETTEXT:
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if (wParam && wndPtr->text)
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{
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lstrcpyn( (LPSTR)PTR_SEG_TO_LIN(lParam), wndPtr->text, wParam );
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return (LRESULT)strlen( (LPSTR)PTR_SEG_TO_LIN(lParam) ) + 1;
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}
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break;
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case WM_SETTEXT:
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DEFWND_SetText( wndPtr, (LPSTR)PTR_SEG_TO_LIN(lParam) );
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NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
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break;
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default:
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result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
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break;
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}
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SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, result );
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return result;
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}
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/***********************************************************************
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* DefWindowProc32A (USER32.125)
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*/
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LRESULT DefWindowProc32A( HWND32 hwnd, UINT32 msg, WPARAM32 wParam,
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LPARAM lParam )
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{
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WND * wndPtr = WIN_FindWndPtr( hwnd );
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LRESULT result = 0;
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SPY_EnterMessage( SPY_DEFWNDPROC32, hwnd, msg, wParam, lParam );
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switch(msg)
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{
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case WM_NCCREATE:
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{
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CREATESTRUCT32A *cs = (CREATESTRUCT32A *)lParam;
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if (cs->lpszName) DEFWND_SetText( wndPtr, cs->lpszName );
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result = 1;
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}
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break;
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case WM_NCCALCSIZE:
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{
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RECT16 rect16;
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CONV_RECT32TO16( (RECT32 *)lParam, &rect16 );
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result = NC_HandleNCCalcSize( wndPtr, &rect16 );
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CONV_RECT16TO32( &rect16, (RECT32 *)lParam );
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}
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break;
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case WM_WINDOWPOSCHANGING:
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result = WINPOS_HandleWindowPosChanging32( wndPtr,
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(WINDOWPOS32 *)lParam );
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break;
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case WM_WINDOWPOSCHANGED:
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{
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WINDOWPOS32 * winPos = (WINDOWPOS32 *)lParam;
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DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
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}
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break;
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case WM_GETTEXT:
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if (wParam && wndPtr->text)
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{
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lstrcpyn( (LPSTR)lParam, wndPtr->text, wParam );
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return (LRESULT)strlen( (LPSTR)lParam ) + 1;
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}
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break;
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case WM_SETTEXT:
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DEFWND_SetText( wndPtr, (LPSTR)lParam );
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NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
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break;
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default:
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result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam );
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break;
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}
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SPY_ExitMessage( SPY_RESULT_OK32, hwnd, msg, result );
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return result;
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}
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/***********************************************************************
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* DefWindowProc32W (USER32.126)
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*/
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LRESULT DefWindowProc32W( HWND32 hwnd, UINT32 msg, WPARAM32 wParam,
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LPARAM lParam )
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{
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LRESULT result;
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switch(msg)
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{
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case WM_NCCREATE:
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{
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CREATESTRUCT32W *cs = (CREATESTRUCT32W *)lParam;
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if (cs->lpszName)
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{
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WND *wndPtr = WIN_FindWndPtr( hwnd );
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LPSTR str = STRING32_DupUniToAnsi( cs->lpszName );
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DEFWND_SetText( wndPtr, str );
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free( str );
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}
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result = 1;
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}
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case WM_GETTEXT:
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{
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LPSTR str = malloc( wParam );
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result = DefWindowProc32A( hwnd, msg, wParam, (LPARAM)str );
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STRING32_AnsiToUni( (LPWSTR)lParam, str );
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free( str );
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}
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break;
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case WM_SETTEXT:
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{
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LPSTR str = STRING32_DupUniToAnsi( (LPWSTR)lParam );
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result = DefWindowProc32A( hwnd, msg, wParam, (LPARAM)str );
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free( str );
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}
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break;
|
|
|
|
default:
|
|
result = DefWindowProc32A( hwnd, msg, wParam, lParam );
|
|
break;
|
|
}
|
|
return result;
|
|
}
|