release/src/router/libncurses/c++/cursesp.cc

   1 // * this is for making emacs happy: -*-Mode: C++;-*-
   2 /****************************************************************************
   3  * Copyright (c) 1998-2003,2005 Free Software Foundation, Inc.              *
   4  *                                                                          *
   5  * Permission is hereby granted, free of charge, to any person obtaining a  *
   6  * copy of this software and associated documentation files (the            *
   7  * "Software"), to deal in the Software without restriction, including      *
   8  * without limitation the rights to use, copy, modify, merge, publish,      *
   9  * distribute, distribute with modifications, sublicense, and/or sell       *
  10  * copies of the Software, and to permit persons to whom the Software is    *
  11  * furnished to do so, subject to the following conditions:                 *
  12  *                                                                          *
  13  * The above copyright notice and this permission notice shall be included  *
  14  * in all copies or substantial portions of the Software.                   *
  15  *                                                                          *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  19  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  22  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  23  *                                                                          *
  24  * Except as contained in this notice, the name(s) of the above copyright   *
  25  * holders shall not be used in advertising or otherwise to promote the     *
  26  * sale, use or other dealings in this Software without prior written       *
  27  * authorization.                                                           *
  28  ****************************************************************************/
  29
  30 /****************************************************************************
  31  *   Author: Juergen Pfeifer, 1993, 1997                                    *
  32  ****************************************************************************/
  33
  34 #include "internal.h"
  35 #include "cursesp.h"
  36
  37 MODULE_ID("$Id: cursesp.cc,v 1.25 2005/08/06 22:12:36 tom Exp $")
  38
  39 NCursesPanel* NCursesPanel::dummy = static_cast<NCursesPanel*>(0);
  40
  41 void NCursesPanel::init()
  42 {
  43   p = ::new_panel(w);
  44   if (!p)
  45     OnError(ERR);
  46
  47   UserHook* hook = new UserHook;
  48   hook->m_user  = NULL;
  49   hook->m_back  = this;
  50   hook->m_owner = p;
  51   ::set_panel_userptr(p, reinterpret_cast<void *>(hook));
  52 }
  53
  54 NCursesPanel::~NCursesPanel()
  55 {
  56   UserHook* hook = UserPointer();
  57   assert(hook != 0 && hook->m_back==this && hook->m_owner==p);
  58   delete hook;
  59   ::del_panel(p);
  60   ::update_panels();
  61 }
  62
  63 void
  64 NCursesPanel::redraw()
  65 {
  66   PANEL *pan;
  67
  68   pan = ::panel_above(NULL);
  69   while (pan) {
  70     ::touchwin(panel_window(pan));
  71     pan = ::panel_above(pan);
  72   }
  73   ::update_panels();
  74   ::doupdate();
  75 }
  76
  77 int
  78 NCursesPanel::refresh()
  79 {
  80   ::update_panels();
  81   return ::doupdate();
  82 }
  83
  84 int
  85 NCursesPanel::noutrefresh()
  86 {
  87   ::update_panels();
  88   return OK;
  89 }
  90
  91 void
  92 NCursesPanel::boldframe(const char *title, const char* btitle)
  93 {
  94   standout();
  95   frame(title, btitle);
  96   standend();
  97 }
  98
  99 void
 100 NCursesPanel::frame(const char *title,const char *btitle)
 101 {
 102   int err = OK;
 103   if (!title && !btitle) {
 104     err = box();
 105   }
 106   else {
 107     err = box();
 108     if (err==OK)
 109       label(title,btitle);
 110   }
 111   OnError(err);
 112 }
 113
 114 void
 115 NCursesPanel::label(const char *tLabel, const char *bLabel)
 116 {
 117   if (tLabel)
 118     centertext(0,tLabel);
 119   if (bLabel)
 120     centertext(maxy(),bLabel);
 121 }
 122
 123 void
 124 NCursesPanel::centertext(int row,const char *labelText)
 125 {
 126   if (labelText) {
 127     int x = (maxx() - ::strlen(labelText)) / 2;
 128     if (x<0)
 129       x=0;
 130     OnError(addstr(row, x, labelText, width()));
 131   }
 132 }
 133
 134 int
 135 NCursesPanel::getKey(void)
 136 {
 137   return getch();
 138 }