ctltype.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 97 行

#include <windows.h>
#include "ctltype.h"

extern ctl_action Ctl_user_actions[];   // from ctluser.c
extern ctl_action Ctl_int_actions[];    // from ctluser.c

BOOL ctl_dlg_init( HANDLE inst, HWND dlg, void *ptr, void *ctl_ptr )
/******************************************************************/
/* initialize a data control. Returns TRUE if it gets up OK. Could return
   FALSE if a data error occurs */

{
    int                 num;
    ctl_elt             *elt;
    clt_def             *ctl;

    ctl = ctl_ptr;      // so app doesn't have to do type cast

    for( num = ctl->num_ctls, elt = ctl->elts; num > 0; --num, ++elt ) {
        if( elt->type < CTL_USER ) {
            if( !(Ctl_int_actions[elt->type].setup)( elt, inst, dlg, ptr ) ) {
                return( FALSE );
            }
        } else {
            if( !(Ctl_user_actions[elt->type - CTL_USER].setup)
                                                ( elt, inst, dlg, ptr ) ) {
                return( FALSE );
            }
        }
        elt->modified = FALSE;
    }

    return( TRUE );
}

BOOL ctl_dlg_done( HANDLE inst, HWND dlg, void *ptr, void *ctl_ptr )
/******************************************************************/
/* finalize a data control. Returns TRUE if all field verification is ok,
   FALSE otherwise */

{
    int                 num;
    ctl_elt             *elt;
    clt_def             *ctl;

    ctl = ctl_ptr;      // so app doesn't have to do type cast

    for( num = ctl->num_ctls, elt = ctl->elts; num > 0; --num, ++elt ) {
        if( elt->modified ) {
            if( elt->type < CTL_USER ) {
                if( !(Ctl_int_actions[elt->type].finish)( elt, inst,
                                                                dlg, ptr ) ) {
                    return( FALSE );
                }
            } else {
                if( !(Ctl_user_actions[elt->type - CTL_USER].finish)
                                                    ( elt, inst, dlg, ptr ) ) {
                    return( FALSE );
                }
            }
        }
    }

    return( TRUE );
}

void ctl_dlg_process( void *ctl_ptr, WORD parm1, LONG parm2 )
/***********************************************************/
/* this routine must be called for all WM_COMMAND events sent to the
   dialog. */

{
    clt_def             *ctl;
    ctl_elt             *elt;
    int                 num;
    BOOL                mod;

    ctl = ctl_ptr;      // so app doesn't have to do type cast

    for( num = ctl->num_ctls, elt = ctl->elts; num > 0; --num, ++elt ) {
        if( elt->type < CTL_USER ) {
            mod = (Ctl_int_actions[elt->type].modified)( elt, parm1, parm2 );
            elt->modified |= mod;
            if( mod ) {
                break;
            }
        } else {
            mod = (Ctl_user_actions[elt->type - CTL_USER].modified)
                                                        ( elt, parm1, parm2 );
            elt->modified |= mod;
            if( mod ) {
                break;
            }
        }
    }
}