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annotate libgui/src/m-editor/octave-qscintilla.cc @ 17655:b4783277bd11

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*octave-qscintilla.cc: fix edit function at cursor by shortcut Ctrl-E
author Torsten <ttl@justmail.de>
date Mon, 14 Oct 2013 22:27:07 +0200
parents 7945344506ae
children b7670c05731b
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rev   line source
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1 /*
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2
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3 Copyright (C) 2013 Torsten
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 // Author: Torsten <ttl@justmail.de>
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24
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25 #ifdef HAVE_CONFIG_H
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26 #include <config.h>
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27 #endif
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28
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29 #ifdef HAVE_QSCINTILLA
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30
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31 #include <Qsci/qscilexer.h>
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32
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33 #include "octave-qscintilla.h"
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34 #include "file-editor-tab.h"
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35
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36 octave_qscintilla::octave_qscintilla (QWidget *p)
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37 : QsciScintilla (p)
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38 { }
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39
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40 octave_qscintilla::~octave_qscintilla ()
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41 { }
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42
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43 void
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44 octave_qscintilla::get_global_textcursor_pos (QPoint *global_pos, QPoint *local_pos)
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45 {
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46 long position = SendScintilla (QsciScintillaBase::SCI_GETCURRENTPOS);
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47 long point_x = SendScintilla
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48 (QsciScintillaBase::SCI_POINTXFROMPOSITION,0,position);
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49 long point_y = SendScintilla
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50 (QsciScintillaBase::SCI_POINTYFROMPOSITION,0,position);
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51 *local_pos = QPoint (point_x,point_y); // local cursor position
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52 *global_pos = mapToGlobal (*local_pos); // global position of cursor
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53 }
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54
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55 // determine the actual word and whether we are in an octave or matlab script
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56 bool
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57 octave_qscintilla::get_actual_word ()
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58 {
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59 QPoint global_pos, local_pos;
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60 get_global_textcursor_pos (&global_pos, &local_pos);
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61 _word_at_cursor = wordAtPoint (local_pos);
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62 QString lexer_name = lexer ()->lexer ();
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63 return ((lexer_name == "octave" || lexer_name == "matlab")
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64 && !_word_at_cursor.isEmpty ());
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65 }
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66
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67 // call documentation or help on the current word
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68 void
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69 octave_qscintilla::context_help_doc (bool documentation)
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70 {
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71 if (get_actual_word ())
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72 contextmenu_help_doc (documentation);
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73 }
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74
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75 // call edit the function related to the current word
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76 void
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77 octave_qscintilla::context_edit ()
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78 {
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79 if (get_actual_word ())
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80 contextmenu_edit (true);
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81 }
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82
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83 // call edit the function related to the current word
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84 void
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85 octave_qscintilla::context_run ()
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86 {
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87 if (hasSelectedText ())
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88 contextmenu_run (true);
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89 }
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90
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91 #ifdef HAVE_QSCI_VERSION_2_6_0
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92 // context menu requested
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93 void
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94 octave_qscintilla::contextMenuEvent (QContextMenuEvent *e)
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95 {
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96 QMenu *context_menu = createStandardContextMenu ( ); // standard menu
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97
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98 // the menu's position
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99 QPoint global_pos, local_pos;
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100
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101 if (e->reason () == QContextMenuEvent::Mouse)
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102 { // context menu by mouse
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103 global_pos = e->globalPos (); // global mouse position
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104 local_pos = e->pos (); // local mouse position
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105 }
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106 else
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107 { // context menu by keyboard or other: get point of text cursor
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108 get_global_textcursor_pos (&global_pos, &local_pos);
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109 QRect editor_rect = geometry (); // editor rect mapped to global
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110 editor_rect.moveTopLeft
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111 (parentWidget ()->mapToGlobal (editor_rect.topLeft ()));
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112 if (!editor_rect.contains (global_pos)) // is cursor outside editor?
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113 global_pos = editor_rect.topLeft (); // yes, take top left corner
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114 }
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115
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116 // additional custom entries of the context menu
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117 context_menu->addSeparator (); // separator before custom entries
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118
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119 // help menu: get the position of the mouse or the text cursor
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120 // (only for octave files)
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121 QString lexer_name = lexer ()->lexer ();
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122 if (lexer_name == "octave" || lexer_name == "matlab")
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123 {
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124 _word_at_cursor = wordAtPoint (local_pos);
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125 if (!_word_at_cursor.isEmpty ())
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126 {
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127 context_menu->addAction (tr ("Help on") + " " + _word_at_cursor,
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128 this, SLOT (contextmenu_help (bool)));
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129 context_menu->addAction (tr ("Documentation on") + " " + _word_at_cursor,
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130 this, SLOT (contextmenu_doc (bool)));
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131 context_menu->addAction (tr ("Edit") + " " + _word_at_cursor,
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132 this, SLOT (contextmenu_edit (bool)));
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133 }
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134 context_menu->addSeparator (); // separator before custom entries
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135 if (hasSelectedText ())
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136 context_menu->addAction (tr ("&Run Selection"),
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137 this, SLOT (contextmenu_run (bool)));
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138 }
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139
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140 // finaly show the menu
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141 context_menu->exec (global_pos);
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142 }
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143 #endif
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144
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145
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146 // handle the menu entry for calling help or doc
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147 void
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148 octave_qscintilla::contextmenu_doc (bool)
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149 {
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150 contextmenu_help_doc (true);
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151 }
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152 void
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153 octave_qscintilla::contextmenu_help (bool)
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154 {
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155 contextmenu_help_doc (false);
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156 }
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157
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158 // common function with flag for documentation
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159 void
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160 octave_qscintilla::contextmenu_help_doc (bool documentation)
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161 {
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162 QString command;
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163 if (documentation)
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164 command = "doc ";
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165 else
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166 command = "help ";
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167 emit execute_command_in_terminal_signal (command + _word_at_cursor);
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168 }
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169
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170 void
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171 octave_qscintilla::contextmenu_edit (bool)
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172 {
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173 emit execute_command_in_terminal_signal (QString("edit ") + _word_at_cursor);
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174 }
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175
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176 void
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177 octave_qscintilla::contextmenu_run (bool)
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178 {
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179 QString command = selectedText ();
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180 emit execute_command_in_terminal_signal (command);
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181 }
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182
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183 #endif