windows/defwnd.c

   1 /*
   2  * Default window procedure
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5
   6 static char Copyright[] = "Copyright  Alexandre Julliard, 1993";
   7 */
   8
   9 #include <stdlib.h>
  10 #include <stdio.h>
  11 #include "windows.h"
  12 #include "win.h"
  13 #include "class.h"
  14 #include "user.h"
  15 #include "nonclient.h"
  16 #include "winpos.h"
  17 #include "syscolor.h"
  18 #include "stddebug.h"
  19 /* #define DEBUG_MESSAGE */
  20 #include "debug.h"
  21
  22   /* Last COLOR id */
  23 #define COLOR_MAX   COLOR_BTNHIGHLIGHT
  24
  25 /***********************************************************************
  26  *           DEFWND_SetText
  27  *
  28  * Set the window text.
  29  */
  30 void DEFWND_SetText( HWND hwnd, LPSTR text )
  31 {
  32     LPSTR textPtr;
  33     WND *wndPtr = WIN_FindWndPtr( hwnd );
  34
  35     if (wndPtr->hText) USER_HEAP_FREE( wndPtr->hText );
  36     wndPtr->hText = USER_HEAP_ALLOC( LMEM_MOVEABLE, strlen(text) + 1 );
  37     textPtr = (LPSTR) USER_HEAP_ADDR( wndPtr->hText );
  38     strcpy( textPtr, text );
  39 }
  40
  41 #include <assert.h>
  42
  43 /***********************************************************************
  44  *           DefWindowProc   (USER.107)
  45  */
  46 LONG DefWindowProc( HWND hwnd, WORD msg, WORD wParam, LONG lParam )
  47 {
  48         MEASUREITEMSTRUCT *measure;
  49         CLASS * classPtr;
  50         LPSTR textPtr;
  51         int len;
  52         WND * wndPtr = WIN_FindWndPtr( hwnd );
  53
  54     dprintf_message(stddeb, "DefWindowProc: %d %d %d %08lx\n",
  55                     hwnd, msg, wParam, lParam );
  56
  57     switch(msg)
  58     {
  59     case WM_NCCREATE:
  60         {
  61             CREATESTRUCT * createStruct = (CREATESTRUCT *)lParam;
  62             if (createStruct->lpszName)
  63                 DEFWND_SetText( hwnd, createStruct->lpszName );
  64             return 1;
  65         }
  66
  67     case WM_NCCALCSIZE:
  68         return NC_HandleNCCalcSize( hwnd, (NCCALCSIZE_PARAMS *)lParam );
  69
  70     case WM_PAINTICON:
  71     case WM_NCPAINT:
  72         return NC_HandleNCPaint( hwnd, (HRGN)wParam );
  73
  74     case WM_NCHITTEST:
  75         return NC_HandleNCHitTest( hwnd, MAKEPOINT(lParam) );
  76
  77     case WM_NCLBUTTONDOWN:
  78         return NC_HandleNCLButtonDown( hwnd, wParam, lParam );
  79
  80     case WM_LBUTTONDBLCLK:
  81     case WM_NCLBUTTONDBLCLK:
  82         return NC_HandleNCLButtonDblClk( hwnd, wParam, lParam );
  83
  84     case WM_NCACTIVATE:
  85         return NC_HandleNCActivate( hwnd, wParam );
  86
  87     case WM_NCDESTROY:
  88         if (wndPtr->hText) USER_HEAP_FREE(wndPtr->hText);
  89         if (wndPtr->hVScroll) USER_HEAP_FREE(wndPtr->hVScroll);
  90         if (wndPtr->hHScroll) USER_HEAP_FREE(wndPtr->hHScroll);
  91         wndPtr->hText = wndPtr->hVScroll = wndPtr->hHScroll = 0;
  92         return 0;
  93
  94     case WM_PAINT:
  95         {
  96             PAINTSTRUCT paintstruct;
  97             BeginPaint( hwnd, &paintstruct );
  98             EndPaint( hwnd, &paintstruct );
  99             return 0;
 100         }
 101
 102     case WM_SETREDRAW:
 103         if (!wParam)
 104         {
 105             ValidateRect( hwnd, NULL );
 106             wndPtr->flags |= WIN_NO_REDRAW;
 107         }
 108         else wndPtr->flags &= ~WIN_NO_REDRAW;
 109         return 0;
 110
 111     case WM_CLOSE:
 112         DestroyWindow( hwnd );
 113         return 0;
 114
 115     case WM_MOUSEACTIVATE:
 116         if (wndPtr->dwStyle & WS_CHILD)
 117         {
 118             LONG ret = SendMessage( wndPtr->hwndParent, WM_MOUSEACTIVATE,
 119                                     wParam, lParam );
 120             if (ret) return ret;
 121         }
 122         return MA_ACTIVATE;
 123
 124     case WM_ACTIVATE:
 125         if (wParam) SetFocus( hwnd );
 126         break;
 127
 128     case WM_WINDOWPOSCHANGING:
 129         return WINPOS_HandleWindowPosChanging( (WINDOWPOS *)lParam );
 130
 131     case WM_WINDOWPOSCHANGED:
 132         {
 133             WINDOWPOS * winPos = (WINDOWPOS *)lParam;
 134             if (!(winPos->flags & SWP_NOMOVE))
 135                 SendMessage( hwnd, WM_MOVE, 0,
 136                              MAKELONG( wndPtr->rectClient.left,
 137                                        wndPtr->rectClient.top ));
 138             if (!(winPos->flags & SWP_NOSIZE))
 139                 SendMessage( hwnd, WM_SIZE, SIZE_RESTORED,
 140                    MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
 141                             wndPtr->rectClient.bottom-wndPtr->rectClient.top));
 142             return 0;
 143         }
 144
 145     case WM_ERASEBKGND:
 146     case WM_ICONERASEBKGND:
 147         {
 148             if (!(classPtr = CLASS_FindClassPtr( wndPtr->hClass ))) return 1;
 149             if (!classPtr->wc.hbrBackground) return 1;
 150             if (classPtr->wc.hbrBackground <= COLOR_MAX+1)
 151             {
 152                  HBRUSH hbrush;
 153                  hbrush = CreateSolidBrush(
 154                      GetSysColor(classPtr->wc.hbrBackground-1));
 155                  FillWindow( GetParent(hwnd), hwnd, (HDC)wParam, hbrush);
 156                  DeleteObject (hbrush);
 157             }
 158             else
 159                  FillWindow( GetParent(hwnd), hwnd, (HDC)wParam,
 160                         classPtr->wc.hbrBackground );
 161             return 0;
 162         }
 163
 164     case WM_GETDLGCODE:
 165         return 0;
 166
 167     case WM_CTLCOLOR:
 168         {
 169             if (HIWORD(lParam) == CTLCOLOR_SCROLLBAR)
 170             {
 171                 SetBkColor( (HDC)wParam, RGB(255, 255, 255) );
 172                 SetTextColor( (HDC)wParam, RGB(0, 0, 0) );
 173                 UnrealizeObject( sysColorObjects.hbrushScrollbar );
 174                 return sysColorObjects.hbrushScrollbar;
 175             }
 176             else
 177             {
 178                 SetBkColor( (HDC)wParam, GetSysColor(COLOR_WINDOW) );
 179                 SetTextColor( (HDC)wParam, GetSysColor(COLOR_WINDOWTEXT) );
 180                 return sysColorObjects.hbrushWindow;
 181             }
 182         }
 183
 184     case WM_GETTEXT:
 185         {
 186             if (wParam)
 187             {
 188                 if (wndPtr->hText)
 189                 {
 190                     textPtr = (LPSTR)USER_HEAP_ADDR(wndPtr->hText);
 191                     if ((int)wParam > (len = strlen(textPtr)))
 192                     {
 193                         strcpy((char *)lParam, textPtr);
 194                         return (DWORD)len;
 195                     }
 196                 }
 197                 lParam = (DWORD)NULL;
 198             }
 199             return (0L);
 200         }
 201
 202     case WM_GETTEXTLENGTH:
 203         {
 204             if (wndPtr->hText)
 205             {
 206                 textPtr = (LPSTR)USER_HEAP_ADDR(wndPtr->hText);
 207                 return (DWORD)strlen(textPtr);
 208             }
 209             return (0L);
 210         }
 211
 212     case WM_SETTEXT:
 213         DEFWND_SetText( hwnd, (LPSTR)lParam );
 214         NC_HandleNCPaint( hwnd, (HRGN)1 );  /* Repaint caption */
 215         return 0;
 216
 217     case WM_SETCURSOR:
 218         if (wndPtr->dwStyle & WS_CHILD)
 219             if (SendMessage(wndPtr->hwndParent, WM_SETCURSOR, wParam, lParam))
 220                 return TRUE;
 221         return NC_HandleSetCursor( hwnd, wParam, lParam );
 222
 223     case WM_SYSCOMMAND:
 224         return NC_HandleSysCommand( hwnd, wParam, MAKEPOINT(lParam) );
 225
 226     case WM_SYSKEYDOWN:
 227         if (wParam == VK_MENU)
 228         {   /* Send to WS_OVERLAPPED parent. TODO: Handle MDI */
 229             HWND top;
 230             for(top=hwnd;GetParent(top)!=0;top=GetParent(top));
 231             SendMessage( top, WM_SYSCOMMAND, SC_KEYMENU, 0L );
 232         }
 233         break;
 234
 235     case WM_SYSKEYUP:
 236                 break;
 237     case WM_MEASUREITEM:
 238                 measure = (MEASUREITEMSTRUCT *)lParam;
 239                 switch(measure->CtlType) {
 240                         case ODT_BUTTON:
 241                                 break;
 242                         case ODT_COMBOBOX:
 243                                 measure->itemHeight = 10;
 244 /*                              printf("defwndproc WM_MEASUREITEM // ODT_COMBOBOX !\n");*/
 245                                 break;
 246                         case ODT_LISTBOX:
 247                                 measure->itemHeight = 10;
 248 /*                              printf("defwndproc WM_MEASUREITEM // ODT_LISTBOX !\n");*/
 249                                 break;
 250                         case ODT_MENU:
 251                                 break;
 252                         default:
 253                                 break;
 254                         }
 255         break;
 256     }
 257     return 0;
 258 }