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

annotate command-window.h @ 9:822a2fe5bb51

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move command window to separate file and other refactoring
author John W. Eaton <jwe@octave.org>
date Thu, 23 May 2019 12:36:26 -0400
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children b652a5528fb1
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9
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1 #if ! defined (calc_command_window_h)
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2 #define calc_command_window_h 1
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3
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4 #include <string>
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5
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6 #include <QTextDocument>
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7 #include <QTextEdit>
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8
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9 #include "qt-interpreter.h"
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10
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11 namespace calc
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12 {
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13 class command_window : public QTextEdit
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14 {
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15 Q_OBJECT
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16
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17 public:
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18
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19 static command_window *the_command_window;
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20
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21 command_window (QWidget *p = nullptr);
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22
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23 virtual ~command_window (void) = default;
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24
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25 // Accept an input line, parse and possibly execute it.
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26
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27 void accept_line (const std::string& line);
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28
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29 // Redisplay current command line.
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30
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31 void insert_at_end (const std::string& text);
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32
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33 void emit_error (const std::string& msg);
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34
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35 void emit_result (double value);
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36
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37 signals:
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38
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39 void input_char_available (int key);
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40
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41 void accept_line_signal (const QString& line);
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42
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43 void redisplay_signal (void);
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44
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45 public slots:
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46
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47 void handle_input_char (int key);
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48
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49 void handle_error (const QString& msg);
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50
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51 void handle_result (double value);
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52
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53 void redisplay (void);
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54
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55 protected:
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56
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57 void keyPressEvent (QKeyEvent *event);
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58
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59 int do_arrow_key (int arrow_key);
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60
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61 // Retrieve a command from the history list and insert it on the
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62 // current command.
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63
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64 void history (bool up);
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65
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66 void erase_line (void);
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67
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68 void insert_at_cursor (const std::string& text);
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69
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70 void insert_line (const std::string& prompt, const std::string& line);
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71
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72 int set_mark (void);
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73
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74 void insert_result (double value);
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75
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76 void scroll_to_bottom (void);
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77
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78 // Child widgets:
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79
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80 QTextDocument *m_buffer;
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81
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82 calc::qt_interpreter *m_interpreter;
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83
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84 int beg_mark;
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85 int prompt_mark;
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86 };
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87
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88 extern void readline_init (void);
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89
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90 extern void readline_fini (void);
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91 }
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92
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93 #endif