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 #include "stddebug.h"
  17 /* #define DEBUG_MESSAGE /* */
  18 /* #undef  DEBUG_MESSAGE /* */
  19 #include "debug.h"
  20
  21
  22   /* Last COLOR id */
  23 #define COLOR_MAX   COLOR_BTNHIGHLIGHT
  24
  25 extern LONG NC_HandleNCPaint( HWND hwnd, HRGN hrgn );
  26 extern LONG NC_HandleNCActivate( HWND hwnd, WORD wParam );
  27 extern LONG NC_HandleNCCalcSize( HWND hwnd, NCCALCSIZE_PARAMS *params );
  28 extern LONG NC_HandleNCHitTest( HWND hwnd, POINT pt );
  29 extern LONG NC_HandleNCLButtonDown( HWND hwnd, WORD wParam, LONG lParam );
  30 extern LONG NC_HandleNCLButtonDblClk( HWND hwnd, WORD wParam, LONG lParam );
  31 extern LONG NC_HandleSysCommand( HWND hwnd, WORD wParam, POINT pt );
  32 extern LONG NC_HandleSetCursor( HWND hwnd, WORD wParam, LONG lParam );
  33 extern LONG WINPOS_HandleWindowPosChanging( WINDOWPOS *winpos ); /* winpos.c */
  34
  35
  36 /***********************************************************************
  37  *           DEFWND_SetText
  38  *
  39  * Set the window text.
  40  */
  41 void DEFWND_SetText( HWND hwnd, LPSTR text )
  42 {
  43     LPSTR textPtr;
  44     WND *wndPtr = WIN_FindWndPtr( hwnd );
  45
  46     if (wndPtr->hText) USER_HEAP_FREE( wndPtr->hText );
  47     wndPtr->hText = USER_HEAP_ALLOC( LMEM_MOVEABLE, strlen(text) + 1 );
  48     textPtr = (LPSTR) USER_HEAP_ADDR( wndPtr->hText );
  49     strcpy( textPtr, text );
  50 }
  51
  52 #include <assert.h>
  53
  54 /***********************************************************************
  55  *           DefWindowProc   (USER.107)
  56  */
  57 LONG DefWindowProc( HWND hwnd, WORD msg, WORD wParam, LONG lParam )
  58 {
  59         MEASUREITEMSTRUCT *measure;
  60         CLASS * classPtr;
  61         LPSTR textPtr;
  62         int len;
  63         WND * wndPtr = WIN_FindWndPtr( hwnd );
  64
  65     dprintf_message(stddeb, "DefWindowProc: %d %d %d %08x\n",
  66                     hwnd, msg, wParam, lParam );
  67
  68     switch(msg)
  69     {
  70     case WM_NCCREATE:
  71         {
  72             CREATESTRUCT * createStruct = (CREATESTRUCT *)lParam;
  73             if (createStruct->lpszName)
  74                 DEFWND_SetText( hwnd, createStruct->lpszName );
  75             if ((createStruct->style & WS_VSCROLL) ||
  76                 (createStruct->style & WS_HSCROLL)) NC_CreateScrollBars(hwnd);
  77             return 1;
  78         }
  79
  80     case WM_NCCALCSIZE:
  81         return NC_HandleNCCalcSize( hwnd, (NCCALCSIZE_PARAMS *)lParam );
  82
  83     case WM_PAINTICON:
  84     case WM_NCPAINT:
  85         return NC_HandleNCPaint( hwnd, (HRGN)wParam );
  86
  87
  88     case WM_NCHITTEST:
  89         return NC_HandleNCHitTest( hwnd, MAKEPOINT(lParam) );
  90
  91     case WM_NCLBUTTONDOWN:
  92         return NC_HandleNCLButtonDown( hwnd, wParam, lParam );
  93
  94     case WM_LBUTTONDBLCLK:
  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_SETREDRAW:
 117         if (wParam)
 118         {
 119             ValidateRect( hwnd, NULL );
 120             wndPtr->flags |= WIN_NO_REDRAW;
 121         }
 122         else wndPtr->flags &= ~WIN_NO_REDRAW;
 123         return 0;
 124
 125     case WM_CLOSE:
 126         DestroyWindow( hwnd );
 127         return 0;
 128
 129     case WM_MOUSEACTIVATE:
 130         if (wndPtr->dwStyle & WS_CHILD)
 131         {
 132             LONG ret = SendMessage( wndPtr->hwndParent, WM_MOUSEACTIVATE,
 133                                     wParam, lParam );
 134             if (ret) return ret;
 135         }
 136         return MA_ACTIVATE;
 137
 138     case WM_ACTIVATE:
 139         if (wParam) SetFocus( hwnd );
 140         break;
 141
 142     case WM_WINDOWPOSCHANGING:
 143         return WINPOS_HandleWindowPosChanging( (WINDOWPOS *)lParam );
 144
 145     case WM_WINDOWPOSCHANGED:
 146         {
 147             WINDOWPOS * winPos = (WINDOWPOS *)lParam;
 148             if (!(winPos->flags & SWP_NOMOVE))
 149                 SendMessage( hwnd, WM_MOVE, 0,
 150                              MAKELONG( wndPtr->rectClient.left,
 151                                        wndPtr->rectClient.top ));
 152             if (!(winPos->flags & SWP_NOSIZE))
 153                 SendMessage( hwnd, WM_SIZE, SIZE_RESTORED,
 154                    MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
 155                             wndPtr->rectClient.bottom-wndPtr->rectClient.top));
 156             return 0;
 157         }
 158
 159     case WM_ERASEBKGND:
 160     case WM_ICONERASEBKGND:
 161         {
 162             if (!(classPtr = CLASS_FindClassPtr( wndPtr->hClass ))) return 1;
 163             if (!classPtr->wc.hbrBackground) return 1;
 164             if (classPtr->wc.hbrBackground <= COLOR_MAX+1)
 165             {
 166                  HBRUSH hbrush;
 167                  hbrush = CreateSolidBrush(
 168                      GetSysColor(classPtr->wc.hbrBackground-1));
 169                  FillWindow( GetParent(hwnd), hwnd, (HDC)wParam, hbrush);
 170                  DeleteObject (hbrush);
 171             }
 172             else
 173                  FillWindow( GetParent(hwnd), hwnd, (HDC)wParam,
 174                         classPtr->wc.hbrBackground );
 175             return 0;
 176         }
 177
 178     case WM_GETDLGCODE:
 179         return 0;
 180
 181     case WM_CTLCOLOR:
 182         {
 183             if (HIWORD(lParam) == CTLCOLOR_SCROLLBAR)
 184             {
 185                 SetBkColor( (HDC)wParam, RGB(255, 255, 255) );
 186                 SetTextColor( (HDC)wParam, RGB(0, 0, 0) );
 187                 UnrealizeObject( sysColorObjects.hbrushScrollbar );
 188                 return sysColorObjects.hbrushScrollbar;
 189             }
 190             else
 191             {
 192                 SetBkColor( (HDC)wParam, GetSysColor(COLOR_WINDOW) );
 193                 SetTextColor( (HDC)wParam, GetSysColor(COLOR_WINDOWTEXT) );
 194                 return sysColorObjects.hbrushWindow;
 195             }
 196         }
 197
 198     case WM_GETTEXT:
 199         {
 200             if (wParam)
 201             {
 202                 if (wndPtr->hText)
 203                 {
 204                     textPtr = (LPSTR)USER_HEAP_ADDR(wndPtr->hText);
 205                     if ((int)wParam > (len = strlen(textPtr)))
 206                     {
 207                         strcpy((char *)lParam, textPtr);
 208                         return (DWORD)len;
 209                     }
 210                 }
 211                 lParam = (DWORD)NULL;
 212             }
 213             return (0L);
 214         }
 215
 216     case WM_GETTEXTLENGTH:
 217         {
 218             if (wndPtr->hText)
 219             {
 220                 textPtr = (LPSTR)USER_HEAP_ADDR(wndPtr->hText);
 221                 return (DWORD)strlen(textPtr);
 222             }
 223             return (0L);
 224         }
 225
 226     case WM_SETTEXT:
 227         DEFWND_SetText( hwnd, (LPSTR)lParam );
 228         NC_HandleNCPaint( hwnd, (HRGN)1 );  /* Repaint caption */
 229         return 0;
 230
 231     case WM_SETCURSOR:
 232         if (wndPtr->dwStyle & WS_CHILD)
 233             if (SendMessage(wndPtr->hwndParent, WM_SETCURSOR, wParam, lParam))
 234                 return TRUE;
 235         return NC_HandleSetCursor( hwnd, wParam, lParam );
 236
 237     case WM_SYSCOMMAND:
 238         return NC_HandleSysCommand( hwnd, wParam, MAKEPOINT(lParam) );
 239
 240     case WM_SYSKEYDOWN:
 241         if (wParam == VK_MENU)
 242             SendMessage( hwnd, WM_SYSCOMMAND, SC_KEYMENU, 0L );
 243         break;
 244
 245     case WM_SYSKEYUP:
 246                 break;
 247     case WM_MEASUREITEM:
 248                 measure = (MEASUREITEMSTRUCT *)lParam;
 249                 switch(measure->CtlType) {
 250                         case ODT_BUTTON:
 251                                 break;
 252                         case ODT_COMBOBOX:
 253                                 measure->itemHeight = 10;
 254 /*                              printf("defwndproc WM_MEASUREITEM // ODT_COMBOBOX !\n");*/
 255                                 break;
 256                         case ODT_LISTBOX:
 257                                 measure->itemHeight = 10;
 258 /*                              printf("defwndproc WM_MEASUREITEM // ODT_LISTBOX !\n");*/
 259                                 break;
 260                         case ODT_MENU:
 261                                 break;
 262                         default:
 263                                 break;
 264                         }
 265         break;
 266     }
 267     return 0;
 268 }