391 lines
9.5 KiB
C
391 lines
9.5 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 "class.h"
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#include "user.h"
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#include "nonclient.h"
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#include "winpos.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_SetText
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*
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* Set the window text.
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*/
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void DEFWND_SetText( HWND hwnd, LPSTR text )
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{
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LPSTR textPtr;
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WND *wndPtr = WIN_FindWndPtr( hwnd );
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if (!text) text = "";
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if (wndPtr->hText) USER_HEAP_FREE( wndPtr->hText );
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wndPtr->hText = USER_HEAP_ALLOC( strlen(text) + 1 );
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textPtr = (LPSTR) USER_HEAP_LIN_ADDR( wndPtr->hText );
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strcpy( textPtr, text );
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if (wndPtr->window)
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XStoreName( display, wndPtr->window, text );
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}
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/***********************************************************************
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* DefWindowProc (USER.107)
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*/
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LRESULT DefWindowProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
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{
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CLASS * classPtr;
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LPSTR textPtr;
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int len;
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WND * wndPtr = WIN_FindWndPtr( hwnd );
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SPY_EnterMessage( SPY_DEFWNDPROC, 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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CREATESTRUCT *createStruct = (CREATESTRUCT*)PTR_SEG_TO_LIN(lParam);
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if (createStruct->lpszName)
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DEFWND_SetText( hwnd,
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(LPSTR)PTR_SEG_TO_LIN(createStruct->lpszName) );
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return 1;
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}
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case WM_NCCALCSIZE:
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return NC_HandleNCCalcSize( hwnd,
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(NCCALCSIZE_PARAMS *)PTR_SEG_TO_LIN(lParam) );
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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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{
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POINT pt = { LOWORD(lParam), HIWORD(lParam) };
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return NC_HandleNCHitTest( hwnd, pt );
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}
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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( hwnd, 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->hText) USER_HEAP_FREE(wndPtr->hText);
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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->hText = 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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PAINTSTRUCT paintstruct;
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BeginPaint( hwnd, &paintstruct );
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EndPaint( 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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ValidateRect( 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 = SendMessage( 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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/* LOWORD() needed for WINELIB32 implementation. Should be fine. */
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if (LOWORD(wParam)!=WA_INACTIVE) SetFocus( hwnd );
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break;
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case WM_WINDOWPOSCHANGING:
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return WINPOS_HandleWindowPosChanging( (WINDOWPOS *)PTR_SEG_TO_LIN(lParam) );
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case WM_WINDOWPOSCHANGED:
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{
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/* Note: Windoze uses unknown SWP flags 0x1000 and 0x0800 to
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* decide whether to send WM_MOVE or/and WM_SIZE respectively
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*/
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WINDOWPOS * winPos = (WINDOWPOS *)PTR_SEG_TO_LIN(lParam);
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WPARAM wp = SIZE_RESTORED;
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if (!(winPos->flags & SWP_NOMOVE))
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SendMessage( hwnd, WM_MOVE, 0,
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MAKELONG( wndPtr->rectClient.left,
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wndPtr->rectClient.top ));
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if (!(winPos->flags & SWP_NOSIZE))
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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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SendMessage( hwnd, 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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return 0;
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}
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case WM_ERASEBKGND:
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case WM_ICONERASEBKGND:
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{
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if (!(classPtr = CLASS_FindClassPtr( wndPtr->hClass ))) return 0;
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if (!classPtr->wc.hbrBackground) return 0;
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if (classPtr->wc.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)classPtr->wc.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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classPtr->wc.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 (LONG)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 (LONG)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 (LONG)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 (LONG)sysColorObjects.hbrushWindow;
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}
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}
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case WM_GETTEXT:
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{
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if (wParam)
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{
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if (wndPtr->hText)
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{
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textPtr = (LPSTR)USER_HEAP_LIN_ADDR(wndPtr->hText);
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if ((int)wParam > (len = strlen(textPtr)))
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{
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strcpy((char *)PTR_SEG_TO_LIN(lParam), textPtr);
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return (DWORD)len;
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}
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}
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}
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return 0;
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}
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case WM_GETTEXTLENGTH:
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{
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if (wndPtr->hText)
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{
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textPtr = (LPSTR)USER_HEAP_LIN_ADDR(wndPtr->hText);
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return (DWORD)strlen(textPtr);
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}
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return 0;
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}
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case WM_SETTEXT:
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DEFWND_SetText( hwnd, (LPSTR)PTR_SEG_TO_LIN(lParam) );
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NC_HandleNCPaint( hwnd , (HRGN)1 ); /* Repaint caption */
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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 (SendMessage(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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{
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POINT pt = { LOWORD(lParam), HIWORD(lParam) };
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return NC_HandleSysCommand( hwnd, wParam, pt );
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}
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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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SendMessage( 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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SendMessage( 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 )
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break;
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if( wParam == VK_SPACE && (wndPtr->dwStyle & WS_CHILD) )
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SendMessage( wndPtr->parent->hwndSelf, msg, wParam, lParam );
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else
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SendMessage(hwnd, WM_SYSCOMMAND, (WPARAM)SC_KEYMENU, (LPARAM)(DWORD)wParam );
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}
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else
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/* check for Ctrl-Esc */
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if( wParam != VK_ESCAPE )
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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 )
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return 0;
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if( wndPtr->dwStyle & WS_VISIBLE )
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{ if( wParam ) return 0; }
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else
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if(!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_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 )
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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)
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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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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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