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Fl_Text_Editor.H
1 //
2 // "$Id: Fl_Text_Editor.H 8864 2011-07-19 04:49:30Z greg.ercolano $"
3 //
4 // Header file for Fl_Text_Editor class.
5 //
6 // Copyright 2001-2010 by Bill Spitzak and others.
7 // Original code Copyright Mark Edel. Permission to distribute under
8 // the LGPL for the FLTK library granted by Mark Edel.
9 //
10 // This library is free software. Distribution and use rights are outlined in
11 // the file "COPYING" which should have been included with this file. If this
12 // file is missing or damaged, see the license at:
13 //
14 // http://www.fltk.org/COPYING.php
15 //
16 // Please report all bugs and problems on the following page:
17 //
18 // http://www.fltk.org/str.php
19 //
20
21 /* \file
22 Fl_Text_Editor widget . */
23
24
25 #ifndef FL_TEXT_EDITOR_H
26 #define FL_TEXT_EDITOR_H
27
28 #include "Fl_Text_Display.H"
29
30 // key will match in any state
31 #define FL_TEXT_EDITOR_ANY_STATE (-1L)
32
40 class FL_EXPORT Fl_Text_Editor : public Fl_Text_Display {
41 public:
43 typedef int (*Key_Func)(int key, Fl_Text_Editor* editor);
44
46 struct Key_Binding {
47 int key;
48 int state;
49 Key_Func function;
50 Key_Binding* next;
51 };
52
53 Fl_Text_Editor(int X, int Y, int W, int H, const char* l = 0);
54 ~Fl_Text_Editor() { remove_all_key_bindings(); }
55 virtual int handle(int e);
61 void insert_mode(int b) { insert_mode_ = b; }
67 int insert_mode() { return insert_mode_; }
68
69 void add_key_binding(int key, int state, Key_Func f, Key_Binding** list);
71 void add_key_binding(int key, int state, Key_Func f)
72 { add_key_binding(key, state, f, &key_bindings); }
73 void remove_key_binding(int key, int state, Key_Binding** list);
75 void remove_key_binding(int key, int state)
76 { remove_key_binding(key, state, &key_bindings); }
77 void remove_all_key_bindings(Key_Binding** list);
79 void remove_all_key_bindings() { remove_all_key_bindings(&key_bindings); }
80 void add_default_key_bindings(Key_Binding** list);
81 Key_Func bound_key_function(int key, int state, Key_Binding* list);
83 Key_Func bound_key_function(int key, int state)
84 { return bound_key_function(key, state, key_bindings); }
86 void default_key_function(Key_Func f) { default_key_function_ = f; }
87
88 // functions for the built in default bindings
89 static int kf_default(int c, Fl_Text_Editor* e);
90 static int kf_ignore(int c, Fl_Text_Editor* e);
91 static int kf_backspace(int c, Fl_Text_Editor* e);
92 static int kf_enter(int c, Fl_Text_Editor* e);
93 static int kf_move(int c, Fl_Text_Editor* e);
94 static int kf_shift_move(int c, Fl_Text_Editor* e);
95 static int kf_ctrl_move(int c, Fl_Text_Editor* e);
96 static int kf_c_s_move(int c, Fl_Text_Editor* e);
97 static int kf_meta_move(int c, Fl_Text_Editor* e);
98 static int kf_m_s_move(int c, Fl_Text_Editor* e);
99 static int kf_home(int, Fl_Text_Editor* e);
100 static int kf_end(int c, Fl_Text_Editor* e);
101 static int kf_left(int c, Fl_Text_Editor* e);
102 static int kf_up(int c, Fl_Text_Editor* e);
103 static int kf_right(int c, Fl_Text_Editor* e);
104 static int kf_down(int c, Fl_Text_Editor* e);
105 static int kf_page_up(int c, Fl_Text_Editor* e);
106 static int kf_page_down(int c, Fl_Text_Editor* e);
107 static int kf_insert(int c, Fl_Text_Editor* e);
108 static int kf_delete(int c, Fl_Text_Editor* e);
109 static int kf_copy(int c, Fl_Text_Editor* e);
110 static int kf_cut(int c, Fl_Text_Editor* e);
111 static int kf_paste(int c, Fl_Text_Editor* e);
112 static int kf_select_all(int c, Fl_Text_Editor* e);
113 static int kf_undo(int c, Fl_Text_Editor* e);
114
115 protected:
116 int handle_key();
117 void maybe_do_callback();
118
119 #ifndef FL_DOXYGEN
120 int insert_mode_;
121 Key_Binding* key_bindings;
122 static Key_Binding* global_key_bindings;
123 Key_Func default_key_function_;
124 #endif
125 };
126
127 #endif
128
129 //
130 // End of "$Id: Fl_Text_Editor.H 8864 2011-07-19 04:49:30Z greg.ercolano $".
131 //
132
Fl_Text_Editor::remove_all_key_bindings
void remove_all_key_bindings()
Removes all of the key bindings associated with the text editor or list.
Definition: Fl_Text_Editor.H:79
Fl_Text_Editor::Key_Binding::state
int state
the state of key modifiers
Definition: Fl_Text_Editor.H:48
Fl_Text_Editor::add_key_binding
void add_key_binding(int key, int state, Key_Func f)
Adds a key of state &quot;state&quot; with the function &quot;function&quot;.
Definition: Fl_Text_Editor.H:71
Fl_Text_Display::handle
virtual int handle(int e)
Event handling.
Definition: Fl_Text_Display.cxx:3554
Fl_Text_Editor::bound_key_function
Key_Func bound_key_function(int key, int state)
Returns the function associated with a key binding.
Definition: Fl_Text_Editor.H:83
Fl_Text_Editor::default_key_function
void default_key_function(Key_Func f)
Sets the default key function for unassigned keys.
Definition: Fl_Text_Editor.H:86
Fl_Text_Editor
This is the FLTK text editor widget.
Definition: Fl_Text_Editor.H:40
Fl_Text_Editor::remove_key_binding
void remove_key_binding(int key, int state)
Removes the key binding associated with the key &quot;key&quot; of state &quot;state&quot;.
Definition: Fl_Text_Editor.H:75
Fl_Text_Editor::Key_Binding
Simple linked list associating a key/state to a function.
Definition: Fl_Text_Editor.H:46
Fl_Text_Editor::Key_Binding::key
int key
the key pressed
Definition: Fl_Text_Editor.H:47
Fl_Text_Editor::Key_Binding::next
Key_Binding * next
next key binding in the list
Definition: Fl_Text_Editor.H:50
Fl_Text_Editor::insert_mode
int insert_mode()
Gets the current insert mode; if non-zero, new text is inserted before the current cursor position...
Definition: Fl_Text_Editor.H:67
Fl_Text_Editor::insert_mode
void insert_mode(int b)
Sets the current insert mode; if non-zero, new text is inserted before the current cursor position...
Definition: Fl_Text_Editor.H:61
Fl_Text_Display
Rich text display widget.
Definition: Fl_Text_Display.H:41
- © 1998-2012 by Bill Spitzak and others.