controls/widgets.c

   1 /*
   2  * Windows widgets (built-in window classes)
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5
   6 static char Copyright[] = "Copyright  Alexandre Julliard, 1993";
   7 */
   8
   9 #include "win.h"
  10 #include "button.h"
  11 #include "static.h"
  12 #include "scroll.h"
  13 #include "desktop.h"
  14 #include "mdi.h"
  15 #include "gdi.h"
  16 #include "user.h"
  17
  18 LONG ListBoxWndProc  ( HWND hwnd, WORD message, WORD wParam, LONG lParam );
  19 LONG ComboBoxWndProc ( HWND hwnd, WORD message, WORD wParam, LONG lParam );
  20 LONG EditWndProc( HWND hwnd, WORD message, WORD wParam, LONG lParam );
  21 LONG PopupMenuWndProc ( HWND hwnd, WORD message, WORD wParam, LONG lParam );
  22 LONG DesktopWndProc ( HWND hwnd, WORD message, WORD wParam, LONG lParam );
  23 LONG MDIClientWndProc ( HWND hwnd, WORD message, WORD wParam, LONG lParam );
  24
  25
  26 static WNDCLASS WIDGETS_BuiltinClasses[] =
  27 {
  28     { CS_GLOBALCLASS | CS_PARENTDC, ButtonWndProc, 0, sizeof(BUTTONINFO),
  29       0, 0, 0, 0, NULL, "BUTTON" },
  30     { CS_GLOBALCLASS | CS_PARENTDC, StaticWndProc, 0, sizeof(STATICINFO),
  31       0, 0, 0, 0, NULL, "STATIC" },
  32     { CS_GLOBALCLASS | CS_PARENTDC, ScrollBarWndProc, 0, sizeof(SCROLLINFO),
  33       0, 0, 0, 0, NULL, "SCROLLBAR" },
  34     { CS_GLOBALCLASS | CS_PARENTDC | CS_DBLCLKS, ListBoxWndProc, 0, 8,
  35       0, 0, 0, 0, NULL, "LISTBOX" },
  36     { CS_GLOBALCLASS | CS_PARENTDC | CS_DBLCLKS, ComboBoxWndProc, 0, 8,
  37       0, 0, 0, 0, NULL, "COMBOBOX" },
  38     { CS_GLOBALCLASS | CS_PARENTDC, EditWndProc, 0, sizeof(WORD),
  39       0, 0, 0, 0, NULL, "EDIT" },
  40     { CS_GLOBALCLASS | CS_SAVEBITS, PopupMenuWndProc, 0, 8,
  41       0, 0, 0, 0, NULL, POPUPMENU_CLASS_NAME },
  42     { CS_GLOBALCLASS, DesktopWndProc, 0, sizeof(DESKTOPINFO),
  43       0, 0, 0, 0, NULL, DESKTOP_CLASS_NAME },
  44     { CS_GLOBALCLASS | CS_SAVEBITS, DefDlgProc, 0, DLGWINDOWEXTRA,
  45       0, 0, 0, 0, NULL, DIALOG_CLASS_NAME },
  46     { CS_GLOBALCLASS, MDIClientWndProc, 0, sizeof(MDICLIENTINFO),
  47       0, 0, 0, STOCK_LTGRAY_BRUSH, NULL, "MDICLIENT" }
  48 };
  49
  50 #define NB_BUILTIN_CLASSES \
  51          (sizeof(WIDGETS_BuiltinClasses)/sizeof(WIDGETS_BuiltinClasses[0]))
  52
  53
  54 /***********************************************************************
  55  *           WIDGETS_Init
  56  *
  57  * Initialize the built-in window classes.
  58  */
  59 BOOL WIDGETS_Init(void)
  60 {
  61     int i;
  62     HANDLE hName;
  63     char *name;
  64     WNDCLASS *class = WIDGETS_BuiltinClasses;
  65
  66     if (!(hName = USER_HEAP_ALLOC( 20 ))) return FALSE;
  67     name = USER_HEAP_LIN_ADDR( hName );
  68     for (i = 0; i < NB_BUILTIN_CLASSES; i++, class++)
  69     {
  70         strcpy( name, class->lpszClassName );
  71         class->lpszClassName = (LPSTR)USER_HEAP_SEG_ADDR( hName );
  72         class->hCursor = LoadCursor( 0, IDC_ARROW );
  73         if (!RegisterClass( class )) return FALSE;
  74     }
  75     USER_HEAP_FREE( hName );
  76     return TRUE;
  77 }