Cadabra
Computer algebra system for field theory problems
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CodeInput.hh
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1
2#pragma once
3
4#include "DataCell.hh"
5#include "DocumentThread.hh"
6#include <gtkmm/box.h>
7#include <gtkmm/textview.h>
8#include <gtkmm/separator.h>
9
10namespace cadabra {
11
16
17 class CodeInput : public Gtk::VBox {
18 public:
25
26 CodeInput(DTree::iterator, Glib::RefPtr<Gtk::TextBuffer>, double scale, const Prefs& prefs);
27
31
32 CodeInput(DTree::iterator, const std::string&, double scale, const Prefs& prefs);
33
35
36 class exp_input_tv : public Gtk::TextView {
37 public:
38 exp_input_tv(DTree::iterator, Glib::RefPtr<Gtk::TextBuffer>, double scale);
39 virtual bool on_key_press_event(GdkEventKey*) override;
40 virtual bool on_draw(const Cairo::RefPtr<Cairo::Context>&) override;
41 virtual bool on_focus_in_event(GdkEventFocus *) override;
42 virtual void on_show() override;
43
45 void on_textbuf_change();
46
47 sigc::signal1<bool, DTree::iterator> content_execute;
48 sigc::signal1<bool, DTree::iterator> content_changed;
49 sigc::signal3<bool, std::string, int, DTree::iterator> content_insert;
50 sigc::signal3<bool, int, int, DTree::iterator> content_erase;
51 sigc::signal1<bool, DTree::iterator> cell_got_focus;
52 sigc::signal2<bool, DTree::iterator, int> complete_request;
53
54 friend CodeInput;
55
56 private:
57 double scale_;
58 DTree::iterator datacell;
59 };
60
62
63 void enable_highlighting(DataCell::CellType cell_type, const Prefs& prefs);
65
66 void relay_cursor_pos(std::function<void(int, int)> callback);
67
69
70 bool handle_button_press(GdkEventButton *);
71
77
78 void handle_insert(const Gtk::TextIter& pos, const Glib::ustring& text, int bytes);
79
84
85 void handle_erase(const Gtk::TextIter& start, const Gtk::TextIter& end);
86
89
90 void update_buffer();
91
94
95 void slice_cell(std::string& before, std::string& after);
96
101
102 Glib::RefPtr<Gtk::TextBuffer> buffer;
103
105
106 private:
107 void init(const Prefs& prefs);
108
109 void highlight_python();
110 void highlight_latex();
111
112 sigc::connection hl_conn; // Connection holding the syntax highlighting signal
113 };
114
115 }
The actual text widget used by CodeInput.
Definition CodeInput.hh:36
virtual bool on_key_press_event(GdkEventKey *) override
Definition CodeInput.cc:514
DTree::iterator datacell
Definition CodeInput.hh:58
sigc::signal2< bool, DTree::iterator, int > complete_request
Definition CodeInput.hh:52
friend CodeInput
Definition CodeInput.hh:54
void shift_enter_pressed()
Definition CodeInput.cc:600
virtual bool on_focus_in_event(GdkEventFocus *) override
Definition CodeInput.cc:708
virtual void on_show() override
Definition CodeInput.cc:714
sigc::signal3< bool, int, int, DTree::iterator > content_erase
Definition CodeInput.hh:50
sigc::signal3< bool, std::string, int, DTree::iterator > content_insert
Definition CodeInput.hh:49
void on_textbuf_change()
Definition CodeInput.cc:609
virtual bool on_draw(const Cairo::RefPtr< Cairo::Context > &) override
Definition CodeInput.cc:658
sigc::signal1< bool, DTree::iterator > content_execute
Definition CodeInput.hh:47
double scale_
Definition CodeInput.hh:57
sigc::signal1< bool, DTree::iterator > cell_got_focus
Definition CodeInput.hh:51
sigc::signal1< bool, DTree::iterator > content_changed
Definition CodeInput.hh:48
exp_input_tv(DTree::iterator, Glib::RefPtr< Gtk::TextBuffer >, double scale)
Definition CodeInput.cc:24
A text cell editor widget with support for editing Python and LaTeX.
Definition CodeInput.hh:17
void highlight_latex()
Definition CodeInput.cc:345
void update_buffer()
Ensure that the visual representation matches the DTree cell.
Definition CodeInput.cc:720
sigc::connection hl_conn
Definition CodeInput.hh:112
void enable_highlighting(DataCell::CellType cell_type, const Prefs &prefs)
Set highlighting modes.
Definition CodeInput.cc:444
void disable_highlighting()
Definition CodeInput.cc:491
void relay_cursor_pos(std::function< void(int, int)> callback)
Definition CodeInput.cc:504
exp_input_tv edit
Definition CodeInput.hh:104
Glib::RefPtr< Gtk::TextBuffer > buffer
We cannot edit the content of the DataCell directly, because Gtk needs a Gtk::TextBuffer.
Definition CodeInput.hh:102
void handle_erase(const Gtk::TextIter &start, const Gtk::TextIter &end)
Handle an erase event.
Definition CodeInput.cc:754
void init(const Prefs &prefs)
Definition CodeInput.cc:53
void handle_insert(const Gtk::TextIter &pos, const Glib::ustring &text, int bytes)
Handle an insert event, which can consist of one or more inserted characters.
Definition CodeInput.cc:733
void highlight_python()
Definition CodeInput.cc:116
CodeInput(DTree::iterator, Glib::RefPtr< Gtk::TextBuffer >, double scale, const Prefs &prefs)
Initialise with existing TextBuffer and a pointer to the Datacell corresponding to this CodeInput wid...
Definition CodeInput.cc:40
void slice_cell(std::string &before, std::string &after)
Return two strings corresponding to the text before and after the current cursor position.
Definition CodeInput.cc:768
bool handle_button_press(GdkEventButton *)
Handle mouse buttons.
Definition CodeInput.cc:618
CellType
Cells are labelled with the data type of its contents, which is stored in a textural representation b...
Definition DataCell.hh:34
Definition DocumentThread.hh:105
Functions to handle the exchange properties of two or more symbols in a product.
Definition Adjform.cc:83