windows/defwnd.c

   1 /*
   2  * Default window procedure
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  */
   6
   7 static char Copyright[] = "Copyright  Alexandre Julliard, 1993";
   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 "syscolor.h"
  16
  17   /* Last COLOR id */
  18 #define COLOR_MAX   COLOR_BTNHIGHLIGHT
  19
  20 extern LONG NC_HandleNCPaint( HWND hwnd, HRGN hrgn );
  21 extern LONG NC_HandleNCActivate( HWND hwnd, WORD wParam );
  22 extern LONG NC_HandleNCCalcSize( HWND hwnd, NCCALCSIZE_PARAMS *params );
  23 extern LONG NC_HandleNCHitTest( HWND hwnd, POINT pt );
  24 extern LONG NC_HandleNCLButtonDown( HWND hwnd, WORD wParam, LONG lParam );
  25 extern LONG NC_HandleNCLButtonDblClk( HWND hwnd, WORD wParam, LONG lParam );
  26 extern LONG NC_HandleSysCommand( HWND hwnd, WORD wParam, POINT pt );
  27 extern LONG NC_HandleSetCursor( HWND hwnd, WORD wParam, LONG lParam );
  28 extern LONG WINPOS_HandleWindowPosChanging( WINDOWPOS *winpos ); /* winpos.c */
  29 extern void NC_TrackSysMenu( HWND hwnd ); /* menu.c */
  30 extern BOOL ActivateMenuBarFocus(HWND hWnd); /* menu.c */
  31
  32
  33
  34 /***********************************************************************
  35  *           DEFWND_SetText
  36  *
  37  * Set the window text.
  38  */
  39 void DEFWND_SetText( HWND hwnd, LPSTR text )
  40 {
  41     LPSTR textPtr;
  42     WND *wndPtr = WIN_FindWndPtr( hwnd );
  43
  44     if (wndPtr->hText) USER_HEAP_FREE( wndPtr->hText );
  45     wndPtr->hText = USER_HEAP_ALLOC( LMEM_MOVEABLE, strlen(text) + 1 );
  46     textPtr = (LPSTR) USER_HEAP_ADDR( wndPtr->hText );
  47     strcpy( textPtr, text );
  48 }
  49
  50
  51 /***********************************************************************
  52  *           DefWindowProc   (USER.107)
  53  */
  54 LONG DefWindowProc( HWND hwnd, WORD msg, WORD wParam, LONG lParam )
  55 {
  56         MEASUREITEMSTRUCT *measure;
  57         CLASS * classPtr;
  58         LPSTR textPtr;
  59         int len;
  60         WND * wndPtr = WIN_FindWndPtr( hwnd );
  61
  62 #ifdef DEBUG_MESSAGE
  63     printf( "DefWindowProc: %d %d %d %08x\n", hwnd, msg, wParam, lParam );
  64 #endif
  65
  66     switch(msg)
  67     {
  68     case WM_NCCREATE:
  69         {
  70             CREATESTRUCT * createStruct = (CREATESTRUCT *)lParam;
  71             if (createStruct->lpszName)
  72                 DEFWND_SetText( hwnd, createStruct->lpszName );
  73             if ((createStruct->style & WS_VSCROLL) ||
  74                 (createStruct->style & WS_HSCROLL)) NC_CreateScrollBars(hwnd);
  75             return 1;
  76         }
  77
  78     case WM_NCCALCSIZE:
  79         return NC_HandleNCCalcSize( hwnd, (NCCALCSIZE_PARAMS *)lParam );
  80
  81     case WM_NCPAINT:
  82         return NC_HandleNCPaint( hwnd, (HRGN)wParam );
  83
  84     case WM_PAINTICON:
  85         printf("going to call NC_HandleNCPaintIcon\n");
  86         return NC_HandleNCPaintIcon( hwnd );
  87
  88
  89     case WM_NCHITTEST:
  90         return NC_HandleNCHitTest( hwnd, MAKEPOINT(lParam) );
  91
  92     case WM_NCLBUTTONDOWN:
  93         return NC_HandleNCLButtonDown( hwnd, wParam, lParam );
  94
  95     case WM_NCLBUTTONDBLCLK:
  96         return NC_HandleNCLButtonDblClk( hwnd, wParam, lParam );
  97
  98     case WM_NCACTIVATE:
  99         return NC_HandleNCActivate( hwnd, wParam );
 100
 101     case WM_NCDESTROY:
 102         if (wndPtr->hText) USER_HEAP_FREE(wndPtr->hText);
 103         wndPtr->hText = 0;
 104         if (wndPtr->VScroll) free(wndPtr->VScroll);
 105         if (wndPtr->HScroll) free(wndPtr->HScroll);
 106         return 0;
 107
 108     case WM_PAINT:
 109         {
 110             PAINTSTRUCT paintstruct;
 111             BeginPaint( hwnd, &paintstruct );
 112             EndPaint( hwnd, &paintstruct );
 113             return 0;
 114         }
 115
 116     case WM_CLOSE:
 117         DestroyWindow( hwnd );
 118         return 0;
 119
 120     case WM_MOUSEACTIVATE:
 121         if (wndPtr->dwStyle & WS_CHILD)
 122         {
 123             LONG ret = SendMessage( wndPtr->hwndParent, WM_MOUSEACTIVATE,
 124                                     wParam, lParam );
 125             if (ret) return ret;
 126         }
 127         return MA_ACTIVATE;
 128
 129     case WM_ACTIVATE:
 130         if (wParam) SetFocus( hwnd );
 131         break;
 132
 133     case WM_WINDOWPOSCHANGING:
 134         return WINPOS_HandleWindowPosChanging( (WINDOWPOS *)lParam );
 135
 136     case WM_WINDOWPOSCHANGED:
 137         {
 138             WINDOWPOS * winPos = (WINDOWPOS *)lParam;
 139             if (!(winPos->flags & SWP_NOMOVE))
 140                 SendMessage( hwnd, WM_MOVE, 0,
 141                              MAKELONG( wndPtr->rectClient.left,
 142                                        wndPtr->rectClient.top ));
 143             if (!(winPos->flags & SWP_NOSIZE))
 144                 SendMessage( hwnd, WM_SIZE, SIZE_RESTORED,
 145                    MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
 146                             wndPtr->rectClient.bottom-wndPtr->rectClient.top));
 147             return 0;
 148         }
 149
 150     case WM_ERASEBKGND:
 151     case WM_ICONERASEBKGND:
 152         {
 153             if (!(classPtr = CLASS_FindClassPtr( wndPtr->hClass ))) return 1;
 154             if (!classPtr->wc.hbrBackground) return 1;
 155             if (classPtr->wc.hbrBackground <= COLOR_MAX+1)
 156             {
 157                  HBRUSH hbrush;
 158                  hbrush = CreateSolidBrush(
 159                      GetSysColor(classPtr->wc.hbrBackground-1));
 160                  FillWindow( GetParent(hwnd), hwnd, (HDC)wParam, hbrush);
 161                  DeleteObject (hbrush);
 162             }
 163             else
 164                  FillWindow( GetParent(hwnd), hwnd, (HDC)wParam,
 165                         classPtr->wc.hbrBackground );
 166             return 0;
 167         }
 168
 169     case WM_GETDLGCODE:
 170         return 0;
 171
 172     case WM_CTLCOLOR:
 173         {
 174             if (HIWORD(lParam) == CTLCOLOR_SCROLLBAR)
 175             {
 176                 SetBkColor( (HDC)wParam, RGB(255, 255, 255) );
 177                 SetTextColor( (HDC)wParam, RGB(0, 0, 0) );
 178                 UnrealizeObject( sysColorObjects.hbrushScrollbar );
 179                 return sysColorObjects.hbrushScrollbar;
 180             }
 181             else
 182             {
 183                 SetBkColor( (HDC)wParam, GetSysColor(COLOR_WINDOW) );
 184                 SetTextColor( (HDC)wParam, GetSysColor(COLOR_WINDOWTEXT) );
 185                 return sysColorObjects.hbrushWindow;
 186             }
 187         }
 188
 189     case WM_GETTEXT:
 190         {
 191             if (wParam)
 192             {
 193                 if (wndPtr->hText)
 194                 {
 195                     textPtr = (LPSTR)USER_HEAP_ADDR(wndPtr->hText);
 196                     if ((int)wParam > (len = strlen(textPtr)))
 197                     {
 198                         strcpy((char *)lParam, textPtr);
 199                         return (DWORD)len;
 200                     }
 201                 }
 202                 lParam = (DWORD)NULL;
 203             }
 204             return (0L);
 205         }
 206
 207     case WM_GETTEXTLENGTH:
 208         {
 209             if (wndPtr->hText)
 210             {
 211                 textPtr = (LPSTR)USER_HEAP_ADDR(wndPtr->hText);
 212                 return (DWORD)strlen(textPtr);
 213             }
 214             return (0L);
 215         }
 216
 217     case WM_SETTEXT:
 218         DEFWND_SetText( hwnd, (LPSTR)lParam );
 219         NC_HandleNCPaint( hwnd, (HRGN)1 );  /* Repaint caption */
 220         return 0;
 221
 222     case WM_SETCURSOR:
 223         if (wndPtr->dwStyle & WS_CHILD)
 224             if (SendMessage(wndPtr->hwndParent, WM_SETCURSOR, wParam, lParam))
 225                 return TRUE;
 226         return NC_HandleSetCursor( hwnd, wParam, lParam );
 227
 228     case WM_SYSCOMMAND:
 229         return NC_HandleSysCommand( hwnd, wParam, MAKEPOINT(lParam) );
 230
 231     case WM_SYSKEYDOWN:
 232                 if (wParam == VK_MENU) ActivateMenuBarFocus(hwnd);
 233                 break;
 234     case WM_SYSKEYUP:
 235                 break;
 236     case WM_MENUCHAR:
 237                 MessageBeep(0);
 238                 break;
 239     case WM_MEASUREITEM:
 240                 measure = (MEASUREITEMSTRUCT *)lParam;
 241                 switch(measure->CtlType) {
 242                         case ODT_BUTTON:
 243                                 break;
 244                         case ODT_COMBOBOX:
 245                                 measure->itemHeight = 10;
 246 /*                              printf("defwndproc WM_MEASUREITEM // ODT_COMBOBOX !\n");*/
 247                                 break;
 248                         case ODT_LISTBOX:
 249                                 measure->itemHeight = 10;
 250 /*                              printf("defwndproc WM_MEASUREITEM // ODT_LISTBOX !\n");*/
 251                                 break;
 252                         case ODT_MENU:
 253                                 break;
 254                         default:
 255                                 break;
 256                         }
 257         break;
 258     }
 259     return 0;
 260 }