Mercurial > jwe > qt-gui-with-push-parser

comparison gui-main.h @ 0:dff751fb985c

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initial revision
author John W. Eaton <jwe@octave.org>
date Mon, 13 May 2019 09:48:06 -0500
parents
children 08df60a01bc1
comparison
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-1:000000000000 0:dff751fb985c
1 #if ! defined (gui_main_h)
2 #define gui_main_h 1
3
4 #include <iostream>
5 #include <sstream>
6 #include <string>
7
8 #include <cstdlib>
9 #include <cstring>
10
11 #include <QApplication>
12 #include <QTextDocument>
13 #include <QTextEdit>
14
15 namespace gui
16 {
17 class command_window : public QTextEdit
18 {
19 Q_OBJECT
20
21 public:
22
23 command_window (QWidget *p = nullptr);
24
25 virtual ~command_window (void) = default;
26
27 // Accept an input line, parse and possibly execute it.
28
29 void accept (const std::string& line);
30
31 // Redisplay current command line.
32
33 void redisplay (void);
34
35 void insert_at_end (const std::string& text);
36
37 void emit_result (double value);
38
39 signals:
40
41 void result_available (double value);
42
43 public slots:
44
45 void handle_result (double value);
46
47 protected:
48
49 void keyPressEvent (QKeyEvent *event);
50
51 int do_arrow_key (int arrow_key);
52
53 // Retrieve a command from the history list and insert it on the
54 // current command.
55
56 void history (bool up);
57
58 void erase_line (void);
59
60 void insert_at_cursor (const std::string& text);
61
62 void insert_line (const std::string& prompt, const std::string& line);
63
64 int set_mark (void);
65
66 void insert_result (double value);
67
68 void scroll_to_bottom (void);
69
70 // Child widgets:
71
72 QTextDocument *m_buffer;
73
74 int beg_mark;
75 int prompt_mark;
76 };
77
78 extern int main (int argc, char **argv);
79
80 extern void emit_result (double value);
81 }
82
83 #endif