guigetrc.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 77 行

/****************************************************************************
*
*                            Open Watcom Project
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*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
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* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
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****************************************************************************/


#include "guiwind.h"
#include <stdlib.h>
#include <string.h>
#include "guigetx.h"
#include "guiscale.h"

extern WPI_TEXTMETRIC GUItm;

gui_ord GUIGetRow( gui_window * wnd, gui_point * in_pos )
{
    int         height;
    gui_ord     row;
    gui_point   pos;


    pos = *in_pos;
    GUIGetMetrics( wnd );
    height = AVGYCHAR(GUItm);

    GUIScaleToScreenRPt( &pos );
    row = pos.y / height;
    return( row );
}

gui_ord GUIGetCol( gui_window * wnd, char * text, gui_point * in_pos )
{
    int         width;
    bool        got_new;
    gui_point   pos;

    got_new = GUIGetTheDC( wnd );
    GUIGetMetrics( wnd );
    pos = *in_pos;
    GUIScaleToScreenRPt( &pos );
    width = pos.x / MAXXCHAR( GUItm );
    while( ( width < strlen( text ) ) &&
           ( GUIGetTextExtentX( wnd, text, width ) <= pos.x ) ) {
        width++ ;
    }
    if( got_new ) {
        GUIReleaseTheDC( wnd );
    }
    return( (gui_ord) ( width - 1 ) );
}