FLTK 1.3.0
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00001 // 00002 // "$Id$" 00003 // 00004 // Header file for Fl_Text_Editor class. 00005 // 00006 // Copyright 2001-2010 by Bill Spitzak and others. 00007 // Original code Copyright Mark Edel. Permission to distribute under 00008 // the LGPL for the FLTK library granted by Mark Edel. 00009 // 00010 // This library is free software; you can redistribute it and/or 00011 // modify it under the terms of the GNU Library General Public 00012 // License as published by the Free Software Foundation; either 00013 // version 2 of the License, or (at your option) any later version. 00014 // 00015 // This library is distributed in the hope that it will be useful, 00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00018 // Library General Public License for more details. 00019 // 00020 // You should have received a copy of the GNU Library General Public 00021 // License along with this library; if not, write to the Free Software 00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00023 // USA. 00024 // 00025 // Please report all bugs and problems on the following page: 00026 // 00027 // http://www.fltk.org/str.php 00028 // 00029 00030 /* \file 00031 Fl_Text_Editor widget . */ 00032 00033 00034 #ifndef FL_TEXT_EDITOR_H 00035 #define FL_TEXT_EDITOR_H 00036 00037 #include "Fl_Text_Display.H" 00038 00039 // key will match in any state 00040 #define FL_TEXT_EDITOR_ANY_STATE (-1L) 00041 00049 class FL_EXPORT Fl_Text_Editor : public Fl_Text_Display { 00050 public: 00052 typedef int (*Key_Func)(int key, Fl_Text_Editor* editor); 00053 00055 struct Key_Binding { 00056 int key; 00057 int state; 00058 Key_Func function; 00059 Key_Binding* next; 00060 }; 00061 00062 Fl_Text_Editor(int X, int Y, int W, int H, const char* l = 0); 00063 ~Fl_Text_Editor() { remove_all_key_bindings(); } 00064 virtual int handle(int e); 00070 void insert_mode(int b) { insert_mode_ = b; } 00076 int insert_mode() { return insert_mode_; } 00077 00078 void add_key_binding(int key, int state, Key_Func f, Key_Binding** list); 00080 void add_key_binding(int key, int state, Key_Func f) 00081 { add_key_binding(key, state, f, &key_bindings); } 00082 void remove_key_binding(int key, int state, Key_Binding** list); 00084 void remove_key_binding(int key, int state) 00085 { remove_key_binding(key, state, &key_bindings); } 00086 void remove_all_key_bindings(Key_Binding** list); 00088 void remove_all_key_bindings() { remove_all_key_bindings(&key_bindings); } 00089 void add_default_key_bindings(Key_Binding** list); 00090 Key_Func bound_key_function(int key, int state, Key_Binding* list); 00092 Key_Func bound_key_function(int key, int state) 00093 { return bound_key_function(key, state, key_bindings); } 00095 void default_key_function(Key_Func f) { default_key_function_ = f; } 00096 00097 // functions for the built in default bindings 00098 static int kf_default(int c, Fl_Text_Editor* e); 00099 static int kf_ignore(int c, Fl_Text_Editor* e); 00100 static int kf_backspace(int c, Fl_Text_Editor* e); 00101 static int kf_enter(int c, Fl_Text_Editor* e); 00102 static int kf_move(int c, Fl_Text_Editor* e); 00103 static int kf_shift_move(int c, Fl_Text_Editor* e); 00104 static int kf_ctrl_move(int c, Fl_Text_Editor* e); 00105 static int kf_c_s_move(int c, Fl_Text_Editor* e); 00106 static int kf_meta_move(int c, Fl_Text_Editor* e); 00107 static int kf_m_s_move(int c, Fl_Text_Editor* e); 00108 static int kf_home(int, Fl_Text_Editor* e); 00109 static int kf_end(int c, Fl_Text_Editor* e); 00110 static int kf_left(int c, Fl_Text_Editor* e); 00111 static int kf_up(int c, Fl_Text_Editor* e); 00112 static int kf_right(int c, Fl_Text_Editor* e); 00113 static int kf_down(int c, Fl_Text_Editor* e); 00114 static int kf_page_up(int c, Fl_Text_Editor* e); 00115 static int kf_page_down(int c, Fl_Text_Editor* e); 00116 static int kf_insert(int c, Fl_Text_Editor* e); 00117 static int kf_delete(int c, Fl_Text_Editor* e); 00118 static int kf_copy(int c, Fl_Text_Editor* e); 00119 static int kf_cut(int c, Fl_Text_Editor* e); 00120 static int kf_paste(int c, Fl_Text_Editor* e); 00121 static int kf_select_all(int c, Fl_Text_Editor* e); 00122 static int kf_undo(int c, Fl_Text_Editor* e); 00123 00124 protected: 00125 int handle_key(); 00126 void maybe_do_callback(); 00127 00128 #ifndef FL_DOXYGEN 00129 int insert_mode_; 00130 Key_Binding* key_bindings; 00131 static Key_Binding* global_key_bindings; 00132 Key_Func default_key_function_; 00133 #endif 00134 }; 00135 00136 #endif 00137 00138 // 00139 // End of "$Id$". 00140 // 00141