aboutsummaryrefslogtreecommitdiff
path: root/c++/cursslk.h
blob: c110a61cab4e7efc080a5dfcecc6fcbe628ed828 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
// * this is for making emacs happy: -*-Mode: C++;-*-
/****************************************************************************
 * Copyright (c) 1998-2005,2019 Free Software Foundation, Inc.              *
 *                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a  *
 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
 *                                                                          *
 * Except as contained in this notice, the name(s) of the above copyright   *
 * holders shall not be used in advertising or otherwise to promote the     *
 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/****************************************************************************
 *   Author: Juergen Pfeifer, 1997                                          *
 ****************************************************************************/

// $Id: cursslk.h,v 1.14 2019/07/28 19:55:27 tom Exp $

#ifndef NCURSES_CURSSLK_H_incl
#define NCURSES_CURSSLK_H_incl

#include <cursesw.h>

class NCURSES_IMPEXP Soft_Label_Key_Set {
public:
  // This inner class represents the attributes of a Soft Label Key (SLK)
  class NCURSES_IMPEXP Soft_Label_Key {
    friend class Soft_Label_Key_Set;
  public:
    typedef enum { Left=0, Center=1, Right=2 } Justification;

  private:
    char *label;           // The Text of the Label
    Justification format;  // The Justification
    int num;               // The number of the Label

    Soft_Label_Key() : label(NULL), format(Left), num(-1) {
    }

    virtual ~Soft_Label_Key() {
      delete[] label;
    };

  public:
    // Set the text of the Label
    Soft_Label_Key& operator=(char *text);

    // Set the Justification of the Label
    Soft_Label_Key& operator=(Justification just) {
      format = just;
      return *this;
    }

    // Retrieve the text of the label
    inline char* operator()(void) const {
      return label;
    }

    Soft_Label_Key& operator=(const Soft_Label_Key& rhs)
    {
      if (this != &rhs) {
        *this = rhs;
      }
      return *this;
    }

    Soft_Label_Key(const Soft_Label_Key& rhs)
      : label(NULL),
        format(rhs.format),
        num(rhs.num)
    {
      *this = rhs.label;
    }
  };

public:
  typedef enum {
    None                = -1,
    Three_Two_Three     = 0,
    Four_Four           = 1,
    PC_Style            = 2,
    PC_Style_With_Index = 3
  } Label_Layout;

private:
  static long NCURSES_IMPEXP count;               // Number of Key Sets
  static Label_Layout NCURSES_IMPEXP  format;     // Layout of the Key Sets
  static int  NCURSES_IMPEXP num_labels;          // Number Of Labels in Key Sets
  bool NCURSES_IMPEXP b_attrInit;                 // Are attributes initialized

  Soft_Label_Key *slk_array;       // The array of SLK's

  // Init the Key Set
  void init();

  // Activate or Deactivate Label# i, Label counting starts with 1!
  void activate_label(int i, bool bf=TRUE);

  // Activate of Deactivate all Labels
  void activate_labels(bool bf);

protected:
  inline void Error (const char* msg) const THROWS(NCursesException) {
    THROW(new NCursesException (msg));
  }

  // Remove SLK's from screen
  void clear() {
    if (ERR==::slk_clear())
      Error("slk_clear");
  }

  // Restore them
  void restore() {
    if (ERR==::slk_restore())
      Error("slk_restore");
  }

public:

  // Construct a Key Set, use the most comfortable layout as default.
  // You must create a Soft_Label_Key_Set before you create any object of
  // the NCursesWindow, NCursesPanel or derived classes. (Actually before
  // ::initscr() is called).
  Soft_Label_Key_Set(Label_Layout fmt);

  // This constructor assumes, that you already constructed a Key Set
  // with a layout by the constructor above. This layout will be reused.
  NCURSES_IMPEXP Soft_Label_Key_Set();

  Soft_Label_Key_Set& operator=(const Soft_Label_Key_Set& rhs)
  {
    if (this != &rhs) {
      *this = rhs;
      init();		// allocate a new slk_array[]
    }
    return *this;
  }

  Soft_Label_Key_Set(const Soft_Label_Key_Set& rhs)
    : b_attrInit(rhs.b_attrInit),
      slk_array(NULL)
  {
    init();		// allocate a new slk_array[]
  }

  virtual ~Soft_Label_Key_Set() THROWS(NCursesException);

  // Get Label# i. Label counting starts with 1!
  NCURSES_IMPEXP Soft_Label_Key& operator[](int i);

  // Retrieve number of Labels
  inline int labels() const { return num_labels; }

  // Refresh the SLK portion of the screen
  inline void refresh() {
    if (ERR==::slk_refresh())
      Error("slk_refresh");
  }

  // Mark the SLK portion of the screen for refresh, defer actual refresh
  // until next update call.
  inline void noutrefresh() {
    if (ERR==::slk_noutrefresh())
      Error("slk_noutrefresh");
  }

  // Mark the whole SLK portion of the screen as modified
  inline void touch() {
    if (ERR==::slk_touch())
      Error("slk_touch");
  }

  // Activate Label# i
  inline void show(int i) {
    activate_label(i,FALSE);
    activate_label(i,TRUE);
  }

  // Hide Label# i
  inline void hide(int i) {
    activate_label(i,FALSE);
  }

  // Show all Labels
  inline void show() {
    activate_labels(FALSE);
    activate_labels(TRUE);
  }

  // Hide all Labels
  inline void hide() {
    activate_labels(FALSE);
  }

  inline void attron(attr_t attrs) {
    if (ERR==::slk_attron(attrs))
      Error("slk_attron");
  }

  inline void attroff(attr_t attrs) {
    if (ERR==::slk_attroff(attrs))
      Error("slk_attroff");
  }

  inline void attrset(attr_t attrs) {
    if (ERR==::slk_attrset(attrs))
      Error("slk_attrset");
  }

  inline void color(short color_pair_number) {
    if (ERR==::slk_color(color_pair_number))
      Error("slk_color");
  }

  inline attr_t attr() const {
    return ::slk_attr();
  }
};

#endif /* NCURSES_CURSSLK_H_incl */