lib/widget/hline.c

   1 /* Widgets for the Midnight Commander
   2
   3    Copyright (C) 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003,
   4    2004, 2005, 2006, 2007, 2009, 2010  Free Software Foundation, Inc.
   5
   6    Authors: 1994, 1995 Radek Doulik
   7    1994, 1995 Miguel de Icaza
   8    1995 Jakub Jelinek
   9    1996 Andrej Borsenkow
  10    1997 Norbert Warmuth
  11    2009, 2010 Andrew Borodin
  12
  13    This program is free software; you can redistribute it and/or modify
  14    it under the terms of the GNU General Public License as published by
  15    the Free Software Foundation; either version 2 of the License, or
  16    (at your option) any later version.
  17
  18    This program is distributed in the hope that it will be useful,
  19    but WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21    GNU General Public License for more details.
  22
  23    You should have received a copy of the GNU General Public License
  24    along with this program; if not, write to the Free Software
  25    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  26
  27  */
  28
  29 /** \file hline.c
  30  *  \brief Source: WHLine widget (horizontal line)
  31  */
  32
  33 #include <config.h>
  34
  35 #include <stdlib.h>
  36
  37 #include "lib/global.h"
  38 #include "lib/tty/tty.h"
  39 #include "lib/tty/color.h"
  40 #include "lib/skin.h"
  41 #include "lib/widget.h"
  42
  43 /*** global variables ****************************************************************************/
  44
  45 /*** file scope macro definitions ****************************************************************/
  46
  47 /*** file scope type declarations ****************************************************************/
  48
  49 /*** file scope variables ************************************************************************/
  50
  51 /*** file scope functions ************************************************************************/
  52
  53 static cb_ret_t
  54 hline_callback (Widget * w, widget_msg_t msg, int parm)
  55 {
  56     WHLine *l = (WHLine *) w;
  57     Dlg_head *h = l->widget.owner;
  58
  59     switch (msg)
  60     {
  61     case WIDGET_INIT:
  62     case WIDGET_RESIZED:
  63         if (l->auto_adjust_cols)
  64         {
  65             if (((w->owner->flags & DLG_COMPACT) != 0))
  66             {
  67                 w->x = w->owner->x;
  68                 w->cols = w->owner->cols;
  69             }
  70             else
  71             {
  72                 w->x = w->owner->x + 1;
  73                 w->cols = w->owner->cols - 2;
  74             }
  75         }
  76
  77     case WIDGET_FOCUS:
  78         /* We don't want to get the focus */
  79         return MSG_NOT_HANDLED;
  80
  81     case WIDGET_DRAW:
  82         if (l->transparent)
  83             tty_setcolor (DEFAULT_COLOR);
  84         else
  85             tty_setcolor (h->color[DLG_COLOR_NORMAL]);
  86
  87         tty_draw_hline (w->y, w->x + 1, ACS_HLINE, w->cols - 2);
  88
  89         if (l->auto_adjust_cols)
  90         {
  91             widget_move (w, 0, 0);
  92             tty_print_alt_char (ACS_LTEE, FALSE);
  93             widget_move (w, 0, w->cols - 1);
  94             tty_print_alt_char (ACS_RTEE, FALSE);
  95         }
  96         return MSG_HANDLED;
  97
  98     default:
  99         return default_proc (msg, parm);
 100     }
 101 }
 102
 103 /* --------------------------------------------------------------------------------------------- */
 104 /*** public functions ****************************************************************************/
 105 /* --------------------------------------------------------------------------------------------- */
 106
 107 WHLine *
 108 hline_new (int y, int x, int width)
 109 {
 110     WHLine *l;
 111     int lines = 1;
 112
 113     l = g_new (WHLine, 1);
 114     init_widget (&l->widget, y, x, lines, width, hline_callback, NULL);
 115     l->auto_adjust_cols = (width < 0);
 116     l->transparent = FALSE;
 117     widget_want_cursor (l->widget, FALSE);
 118     widget_want_hotkey (l->widget, FALSE);
 119
 120     return l;
 121 }
 122
 123 /* --------------------------------------------------------------------------------------------- */