summaryrefslogtreecommitdiffstats
path: root/src/editor.h
blob: 9fb6836f72de2b0d7d8d4db853a080eb5336736f (plain)
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
/* This file was part of the SpeedCrunch project
   Copyright (C) 2004,2005 Ariya Hidayat <[email protected]>

   And is now part of abakus.
   Copyright (c) 2005 Michael Pyne <[email protected]>

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; either version 2
   of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */


#ifndef ABAKUS_EDITOR_H
#define ABAKUS_EDITOR_H

#include <tqobject.h>
#include <tqstringlist.h>
#include <tqtextedit.h>

#include "hmath.h"

class TQEvent;
class TQKeyEvent;
class TQWidget;
class Evaluator;

class Editor : public TQTextEdit
{
  TQ_OBJECT
  
  
  public:
  
    typedef enum 
    {
      Number, FunctionName, Variable, MatchedPar
    } ColorType;
  
    Editor( TQWidget* parent = 0, const char* name = 0 );
    ~Editor();

    TQSize sizeHint() const;
    TQSize xminimumSizeHint() const;

    TQStringList history() const;
    void setHistory( const TQStringList& history );
    
    bool autoCompleteEnabled() const;
    void setAutoCompleteEnabled( bool enable );
    
    bool autoCalcEnabled() const;
    void setAutoCalcEnabled( bool enable );
    void setFormat( char format );
    void setDecimalDigits( int digits );
    
    void setSyntaxHighlight( bool enable );
    bool isSyntaxHighlightEnabled() const;
    void setHighlightColor( ColorType type, TQColor color );
    TQColor highlightColor( ColorType type );
    
  public slots:
    void appendHistory( const TQString& text );
    void clearHistory();

    // Stop the timer from going off.
    void squelchNextAutoCalc();

    void setText(const TQString &txt);
    
  protected slots:   
    void checkAutoComplete();
    void triggerAutoComplete();
    void autoComplete( const TQString& item );
    void checkAutoCalc();
    void autoCalc();
    void checkMatching();
    void doMatchingLeft();
    void doMatchingRight();
    void historyBack();
    void historyForward();
    
  protected:
    void keyPressEvent( TQKeyEvent* );
    void wheelEvent( TQWheelEvent* );
    TQString formatNumber( const Abakus::number_t &value ) const;
    
  private:
    class Private;
    Private* d;
    Editor( const Editor& );
    Editor& operator=( const Editor& );
};


class EditorCompletion : public TQObject
{
  TQ_OBJECT
  
  
  public:
    EditorCompletion( Editor* editor );
    ~EditorCompletion();
    
    bool eventFilter( TQObject *o, TQEvent *e );
    void doneCompletion();
    void showCompletion( const TQStringList &choices );

  protected slots:
    void moveCompletionPopup();
    
  signals:
    void selectedCompletion( const TQString& item );
    
  private:
    class Private;
    Private* d;
    EditorCompletion( const EditorCompletion& );
    EditorCompletion& operator=( const EditorCompletion& );    
};

#endif // ABAKUS_EDITOR_H