controls/widgets.c

   1 /*
   2  * Windows widgets (built-in window classes)
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  */
   6
   7 #include "win.h"
   8 #include "button.h"
   9 #include "static.h"
  10 #include "scroll.h"
  11 #include "desktop.h"
  12 #include "mdi.h"
  13 #include "gdi.h"
  14 #include "user.h"
  15 #include "module.h"
  16 #include "heap.h"
  17
  18 typedef struct
  19 {
  20     UINT16     style;
  21     INT16      wndExtra;
  22     HBRUSH16   background;
  23     LPCSTR     procName;
  24     LPCSTR     className;
  25 } BUILTIN_CLASS_INFO16;
  26
  27 static const BUILTIN_CLASS_INFO16 WIDGETS_BuiltinClasses16[] =
  28 {
  29     { CS_GLOBALCLASS | CS_PARENTDC,
  30        sizeof(STATICINFO), 0, "StaticWndProc", "STATIC" },
  31     { CS_GLOBALCLASS | CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW | CS_PARENTDC,
  32       sizeof(SCROLLINFO), 0, "ScrollBarWndProc", "SCROLLBAR" },
  33     { CS_GLOBALCLASS | CS_PARENTDC | CS_DBLCLKS,
  34       8, 0, "ListBoxWndProc", "LISTBOX" },
  35     { CS_GLOBALCLASS | CS_PARENTDC | CS_DBLCLKS,
  36       8, 0, "ComboBoxWndProc", "COMBOBOX" },
  37     { CS_GLOBALCLASS | CS_DBLCLKS | CS_SAVEBITS,
  38       8, 0, "ComboLBoxWndProc", "COMBOLBOX" },
  39     { CS_GLOBALCLASS | CS_PARENTDC | CS_DBLCLKS,
  40       sizeof(DWORD), 0, "EditWndProc", "EDIT" },
  41     { CS_GLOBALCLASS | CS_SAVEBITS,
  42       sizeof(HMENU32), 0, "PopupMenuWndProc", POPUPMENU_CLASS_NAME },
  43     { CS_GLOBALCLASS | CS_SAVEBITS,
  44       DLGWINDOWEXTRA, 0, "DefDlgProc", DIALOG_CLASS_NAME },
  45     { CS_GLOBALCLASS, sizeof(MDICLIENTINFO),
  46       STOCK_LTGRAY_BRUSH, "MDIClientWndProc", "MDICLIENT" }
  47 };
  48
  49 #define NB_BUILTIN_CLASSES16 \
  50          (sizeof(WIDGETS_BuiltinClasses16)/sizeof(WIDGETS_BuiltinClasses16[0]))
  51
  52 static WNDCLASS32A WIDGETS_BuiltinClasses32[] =
  53 {
  54     { CS_GLOBALCLASS | CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW | CS_PARENTDC,
  55           ButtonWndProc, 0, sizeof(BUTTONINFO), 0, 0, 0, 0, 0, "BUTTON" },
  56     { CS_GLOBALCLASS, DesktopWndProc, 0, sizeof(DESKTOPINFO),
  57           0, 0, 0, 0, 0, DESKTOP_CLASS_NAME }
  58 };
  59
  60 #define NB_BUILTIN_CLASSES32 \
  61          (sizeof(WIDGETS_BuiltinClasses32)/sizeof(WIDGETS_BuiltinClasses32[0]))
  62
  63
  64 /***********************************************************************
  65  *           WIDGETS_Init
  66  *
  67  * Initialize the built-in window classes.
  68  */
  69 BOOL WIDGETS_Init(void)
  70 {
  71     int i;
  72     char *name;
  73     const BUILTIN_CLASS_INFO16 *info16 = WIDGETS_BuiltinClasses16;
  74     WNDCLASS16 class16;
  75     WNDCLASS32A *class32 = WIDGETS_BuiltinClasses32;
  76
  77     if (!(name = SEGPTR_ALLOC( 20 * sizeof(char) ))) return FALSE;
  78
  79     /* Create 16-bit classes */
  80
  81     class16.cbClsExtra    = 0;
  82     class16.hInstance     = 0;
  83     class16.hIcon         = 0;
  84     class16.hCursor       = LoadCursor16( 0, IDC_ARROW );
  85     class16.lpszMenuName  = (SEGPTR)0;
  86     class16.lpszClassName = SEGPTR_GET(name);
  87     for (i = 0; i < NB_BUILTIN_CLASSES16; i++, info16++)
  88     {
  89         class16.style         = info16->style;
  90         class16.lpfnWndProc   = (WNDPROC16)MODULE_GetWndProcEntry16( info16->procName );
  91         class16.cbWndExtra    = info16->wndExtra;
  92         class16.hbrBackground = info16->background;
  93         strcpy( name, info16->className );
  94         if (!RegisterClass16( &class16 )) return FALSE;
  95     }
  96
  97     /* Create 32-bit classes */
  98
  99     for (i = 0; i < NB_BUILTIN_CLASSES32; i++, class32++)
 100     {
 101         /* Just to make sure the string is > 0x10000 */
 102         strcpy( name, (char *)class32->lpszClassName );
 103         class32->lpszClassName = name;
 104         class32->hCursor = LoadCursor16( 0, IDC_ARROW );
 105         if (!RegisterClass32A( class32 )) return FALSE;
 106     }
 107
 108     SEGPTR_FREE(name);
 109     return TRUE;
 110 }