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

   1 // * this is for making emacs happy: -*-Mode: C++;-*-
   2 /****************************************************************************
   3  * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
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  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  *
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  24  * Except as contained in this notice, the name(s) of the above copyright   *
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  29
  30 /****************************************************************************
  31  *   Author: Juergen Pfeifer, 1997                                          *
  32  *      and: Thomas E. Dickey                                               *
  33  ****************************************************************************/
  34
  35 #include "internal.h"
  36 #include "cursesapp.h"
  37
  38 MODULE_ID("$Id: cursesapp.cc,v 1.15 2008/08/16 17:15:35 tom Exp $")
  39
  40 void
  41 NCursesApplication::init(bool bColors)
  42 {
  43   if (bColors)
  44     NCursesWindow::useColors();
  45
  46   if (Root_Window->colors() > 1) {
  47     b_Colors = TRUE;
  48     Root_Window->setcolor(1);
  49     Root_Window->setpalette(COLOR_YELLOW,COLOR_BLUE);
  50     Root_Window->setcolor(2);
  51     Root_Window->setpalette(COLOR_CYAN,COLOR_BLUE);
  52     Root_Window->setcolor(3);
  53     Root_Window->setpalette(COLOR_BLACK,COLOR_BLUE);
  54     Root_Window->setcolor(4);
  55     Root_Window->setpalette(COLOR_BLACK,COLOR_CYAN);
  56     Root_Window->setcolor(5);
  57     Root_Window->setpalette(COLOR_BLUE,COLOR_YELLOW);
  58     Root_Window->setcolor(6);
  59     Root_Window->setpalette(COLOR_BLACK,COLOR_GREEN);
  60   }
  61   else
  62     b_Colors = FALSE;
  63
  64   Root_Window->bkgd(' '|window_backgrounds());
  65 }
  66
  67 NCursesApplication* NCursesApplication::theApp = 0;
  68 NCursesWindow* NCursesApplication::titleWindow = 0;
  69 NCursesApplication::SLK_Link* NCursesApplication::slk_stack = 0;
  70
  71 NCursesApplication::~NCursesApplication()
  72 {
  73   Soft_Label_Key_Set* S;
  74
  75   delete titleWindow;
  76   titleWindow = 0;
  77
  78   while( (S=top()) ) {
  79     pop();
  80     delete S;
  81   }
  82
  83   delete Root_Window;
  84   Root_Window = 0;
  85
  86   ::endwin();
  87 }
  88
  89 int NCursesApplication::rinit(NCursesWindow& w)
  90 {
  91   titleWindow = &w;
  92   return OK;
  93 }
  94
  95 void NCursesApplication::push(Soft_Label_Key_Set& S)
  96 {
  97   SLK_Link* L = new SLK_Link;
  98   assert(L != 0);
  99   L->prev = slk_stack;
 100   L->SLKs = &S;
 101   slk_stack = L;
 102   if (Root_Window)
 103     S.show();
 104 }
 105
 106 bool NCursesApplication::pop()
 107 {
 108   if (slk_stack) {
 109     SLK_Link* L = slk_stack;
 110     slk_stack = slk_stack->prev;
 111     delete L;
 112     if (Root_Window) {
 113       Soft_Label_Key_Set* xx = top();
 114       if (xx != 0)
 115         xx->show();
 116     }
 117   }
 118   return (slk_stack ? FALSE : TRUE);
 119 }
 120
 121 Soft_Label_Key_Set* NCursesApplication::top() const
 122 {
 123   if (slk_stack)
 124     return slk_stack->SLKs;
 125   else
 126     return static_cast<Soft_Label_Key_Set*>(0);
 127 }
 128
 129 int NCursesApplication::operator()(void)
 130 {
 131   bool bColors = b_Colors;
 132   Soft_Label_Key_Set* S = 0;
 133
 134   int ts = titlesize();
 135   if (ts>0)
 136     NCursesWindow::ripoffline(ts,rinit);
 137   Soft_Label_Key_Set::Label_Layout fmt = useSLKs();
 138   if (fmt!=Soft_Label_Key_Set::None) {
 139     S = new Soft_Label_Key_Set(fmt);
 140     assert(S != 0);
 141     init_labels(*S);
 142   }
 143
 144   Root_Window = new NCursesWindow(::stdscr);
 145   init(bColors);
 146
 147   if (ts>0)
 148     title();
 149   if (fmt!=Soft_Label_Key_Set::None) {
 150     push(*S);
 151   }
 152
 153   return run();
 154 }
 155
 156 NCursesApplication::NCursesApplication(bool bColors)
 157   : b_Colors(bColors),
 158     Root_Window(NULL)
 159 {
 160   if (theApp)
 161     THROW(new NCursesException("Application object already created."));
 162   else
 163     theApp = this;
 164 }