contrib/ncurses-5.4/c++/cursslk.cc

   1 // * this is for making emacs happy: -*-Mode: C++;-*-
   2 /****************************************************************************
   3  * Copyright (c) 1998-2002,2003 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, 1997                                          *
  32  ****************************************************************************/
  33
  34 #include "internal.h"
  35 #include "cursslk.h"
  36 #include "cursesapp.h"
  37 #include <string.h>
  38
  39 MODULE_ID("$Id: cursslk.cc,v 1.11 2003/10/25 15:04:46 tom Exp $")
  40
  41 void Soft_Label_Key_Set::Soft_Label_Key::operator=(char *text)  {
  42   delete[] label;
  43   label = new char[1 + ::strlen(text)];
  44   (::strcpy)(label,text);
  45 }
  46
  47 long Soft_Label_Key_Set::count      = 0L;
  48 int  Soft_Label_Key_Set::num_labels = 0;
  49
  50 Soft_Label_Key_Set::Label_Layout
  51   Soft_Label_Key_Set::format = None;
  52
  53 void Soft_Label_Key_Set::init() {
  54   slk_array = new Soft_Label_Key[num_labels];
  55   for(int i=0; i < num_labels; i++) {
  56     slk_array[i].num = i+1;
  57   }
  58   b_attrInit = FALSE;
  59 }
  60
  61 Soft_Label_Key_Set::Soft_Label_Key_Set() {
  62   if (format==None)
  63     Error("No default SLK layout");
  64   init();
  65 }
  66
  67 Soft_Label_Key_Set::Soft_Label_Key_Set(Soft_Label_Key_Set::Label_Layout fmt) {
  68   if (fmt==None)
  69     Error("Invalid SLK Layout");
  70   if (count++==0) {
  71     format = fmt;
  72     if (ERR == ::slk_init((int)fmt))
  73       Error("slk_init");
  74     num_labels = (fmt>=PC_Style?12:8);
  75   }
  76   else if (fmt!=format)
  77     Error("All SLKs must have same layout");
  78   init();
  79 }
  80
  81 Soft_Label_Key_Set::~Soft_Label_Key_Set() {
  82   if (!::isendwin())
  83     clear();
  84   delete[] slk_array;
  85   count--;
  86 }
  87
  88 Soft_Label_Key_Set::Soft_Label_Key& Soft_Label_Key_Set::operator[](int i) {
  89   if (i<1 || i>num_labels)
  90     Error("Invalid Label index");
  91   return slk_array[i-1];
  92 }
  93
  94 void Soft_Label_Key_Set::activate_label(int i, bool bf) {
  95   if (!b_attrInit) {
  96     NCursesApplication* A = NCursesApplication::getApplication();
  97     if (A) attrset(A->labels());
  98     b_attrInit = TRUE;
  99   }
 100   Soft_Label_Key& K = (*this)[i];
 101   if (ERR==::slk_set(K.num,bf?K.label:"",K.format))
 102     Error("slk_set");
 103   noutrefresh();
 104 }
 105
 106 void Soft_Label_Key_Set::activate_labels(bool bf) {
 107   if (!b_attrInit) {
 108     NCursesApplication* A = NCursesApplication::getApplication();
 109     if (A) attrset(A->labels());
 110     b_attrInit = TRUE;
 111   }
 112   for(int i=1; i <= num_labels; i++) {
 113     Soft_Label_Key& K = (*this)[i];
 114     if (ERR==::slk_set(K.num,bf?K.label:"",K.format))
 115       Error("slk_set");
 116   }
 117   if (bf)
 118     restore();
 119   else
 120     clear();
 121   noutrefresh();
 122 }