kopia lustrzana https://github.com/jamescoxon/dl-fldigi
144 wiersze
5.5 KiB
C++
144 wiersze
5.5 KiB
C++
//
|
|
// "$Id: Fl_Text_Editor_mod.H 7903 2010-11-28 21:06:39Z matt $"
|
|
//
|
|
// Header file for Fl_Text_Editor_mod class.
|
|
//
|
|
// Copyright 2001-2010 by Bill Spitzak and others.
|
|
// Original code Copyright Mark Edel. Permission to distribute under
|
|
// the LGPL for the FLTK library granted by Mark Edel.
|
|
//
|
|
// This library is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Library General Public
|
|
// License as published by the Free Software Foundation; either
|
|
// version 2 of the License, or (at your option) any later version.
|
|
//
|
|
// This library 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
|
|
// Library General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Library General Public
|
|
// License along with this library; if not, write to the
|
|
//
|
|
// Free Software Foundation, Inc.
|
|
// 51 Franklin Street, Fifth Floor
|
|
// Boston, MA 02110-1301 USA.
|
|
//
|
|
// Please report all bugs and problems on the following page:
|
|
//
|
|
// http://www.fltk.org/str.php
|
|
//
|
|
|
|
/* \file
|
|
Fl_Text_Editor_mod widget . */
|
|
|
|
|
|
#ifndef Fl_Text_Editor_mod_H
|
|
#define Fl_Text_Editor_mod_H
|
|
|
|
#include "Fl_Text_Display_mod.H"
|
|
|
|
// key will match in any state
|
|
#define Fl_Text_Editor_mod_ANY_STATE (-1L)
|
|
|
|
/**
|
|
This is the FLTK text editor widget. It allows the user to
|
|
edit multiple lines of text and supports highlighting and
|
|
scrolling. The buffer that is displayed in the widget is managed
|
|
by the Fl_Text_Buffer_mod
|
|
class.
|
|
*/
|
|
class FL_EXPORT Fl_Text_Editor_mod : public Fl_Text_Display_mod {
|
|
public:
|
|
/** Key function binding callback type */
|
|
typedef int (*Key_Func)(int key, Fl_Text_Editor_mod* editor);
|
|
|
|
/** Simple linked list associating a key/state to a function */
|
|
struct Key_Binding {
|
|
int key; ///< the key pressed
|
|
int state; ///< the state of key modifiers
|
|
Key_Func function; ///< associated function
|
|
Key_Binding* next; ///< next key binding in the list
|
|
};
|
|
|
|
Fl_Text_Editor_mod(int X, int Y, int W, int H, const char* l = 0);
|
|
~Fl_Text_Editor_mod() { remove_all_key_bindings(); }
|
|
virtual int handle(int e);
|
|
/**
|
|
Sets the current insert mode; if non-zero, new text
|
|
is inserted before the current cursor position. Otherwise, new
|
|
text replaces text at the current cursor position.
|
|
*/
|
|
void insert_mode(int b) { insert_mode_ = b; }
|
|
/**
|
|
Gets the current insert mode; if non-zero, new text
|
|
is inserted before the current cursor position. Otherwise, new
|
|
text replaces text at the current cursor position.
|
|
*/
|
|
int insert_mode() { return insert_mode_; }
|
|
|
|
void add_key_binding(int key, int state, Key_Func f, Key_Binding** list);
|
|
/** Adds a key of state "state" with the function "function" */
|
|
void add_key_binding(int key, int state, Key_Func f)
|
|
{ add_key_binding(key, state, f, &key_bindings); }
|
|
void remove_key_binding(int key, int state, Key_Binding** list);
|
|
/** Removes the key binding associated with the key "key" of state "state". */
|
|
void remove_key_binding(int key, int state)
|
|
{ remove_key_binding(key, state, &key_bindings); }
|
|
void remove_all_key_bindings(Key_Binding** list);
|
|
/** Removes all of the key bindings associated with the text editor or list. */
|
|
void remove_all_key_bindings() { remove_all_key_bindings(&key_bindings); }
|
|
void add_default_key_bindings(Key_Binding** list);
|
|
Key_Func bound_key_function(int key, int state, Key_Binding* list);
|
|
/** Returns the function associated with a key binding. */
|
|
Key_Func bound_key_function(int key, int state)
|
|
{ return bound_key_function(key, state, key_bindings); }
|
|
/** Sets the default key function for unassigned keys. */
|
|
void default_key_function(Key_Func f) { default_key_function_ = f; }
|
|
|
|
// functions for the built in default bindings
|
|
static int kf_default(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_ignore(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_backspace(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_enter(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_move(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_shift_move(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_ctrl_move(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_c_s_move(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_meta_move(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_m_s_move(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_home(int, Fl_Text_Editor_mod* e);
|
|
static int kf_end(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_left(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_up(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_right(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_down(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_page_up(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_page_down(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_insert(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_delete(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_copy(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_cut(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_paste(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_select_all(int c, Fl_Text_Editor_mod* e);
|
|
static int kf_undo(int c, Fl_Text_Editor_mod* e);
|
|
|
|
protected:
|
|
int handle_key();
|
|
void maybe_do_callback();
|
|
|
|
#ifndef FL_DOXYGEN
|
|
int insert_mode_;
|
|
Key_Binding* key_bindings;
|
|
static Key_Binding* global_key_bindings;
|
|
Key_Func default_key_function_;
|
|
#endif
|
|
};
|
|
|
|
#endif
|
|
|
|
//
|
|
// End of "$Id: Fl_Text_Editor_mod.H 7903 2010-11-28 21:06:39Z matt $".
|
|
//
|
|
|