Utils/Termlib/Editor.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2009
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   6 //     Stefan Bund <g0dil@berlios.de>
   7 //
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 2 of the License, or
  11 // (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 /** \file
  24     \brief Editor non-inline non-template implementation */
  25
  26 #include "Editor.hh"
  27 //#include "Editor.ih"
  28
  29 // Custom includes
  30 #include <senf/Utils/membind.hh>
  31 #include <senf/Scheduler/Scheduler.hh>
  32
  33 //#include "Editor.mpp"
  34 #define prefix_
  35 ///////////////////////////////cc.p////////////////////////////////////////
  36
  37 prefix_ senf::term::BaseEditor::BaseEditor(AbstractTerminal & terminal)
  38     : terminal_ (&terminal),
  39       keyTimeout_ (senf::ClockService::milliseconds(DEFAULT_KEY_TIMEOUT_MS)),
  40       timer_ ("senf::term::BaseEditor::keySequenceTimeout",
  41               senf::membind(&BaseEditor::keySequenceTimeout, this)),
  42       column_ (0u)
  43 {
  44     terminal_->setCallbacks(*this);
  45 }
  46
  47 prefix_ void senf::term::BaseEditor::newline()
  48 {
  49     write("\r\n");
  50     write(tifo_.getString(Terminfo::properties::ClrEol));
  51     column_ = 0;
  52 }
  53
  54 prefix_ void senf::term::BaseEditor::toColumn(unsigned c)
  55 {
  56     if (c >= width())
  57         c = width();
  58     if (c > column_) {
  59         if (tifo_.hasProperty(Terminfo::properties::ParmRightCursor)) {
  60             write(tifo_.formatString(Terminfo::properties::ParmRightCursor, c - column_));
  61             column_ = c;
  62         }
  63         else {
  64             char const * cuf1 (tifo_.getString(Terminfo::properties::CursorRight));
  65             while (c > column_) {
  66                 write(cuf1);
  67                 ++column_;
  68             }
  69         }
  70     }
  71     else if (c < column_) {
  72         if (tifo_.hasProperty(Terminfo::properties::ParmLeftCursor)) {
  73             write(tifo_.formatString(Terminfo::properties::ParmLeftCursor, column_ - c));
  74             column_ = c;
  75         }
  76         else {
  77             char const * cub1 (tifo_.getString(Terminfo::properties::CursorRight));
  78             while (c < column_) {
  79                 write(cub1);
  80                 --column_;
  81             }
  82         }
  83     }
  84 }
  85
  86 prefix_ void senf::term::BaseEditor::insertChar(char ch)
  87 {
  88     if (column_+1 >= width())
  89         return;
  90     if (tifo_.hasProperty(Terminfo::properties::InsertCharacter))
  91         write(tifo_.getString(Terminfo::properties::InsertCharacter));
  92     else
  93         write(tifo_.formatString(Terminfo::properties::ParmIch, 1));
  94     write(ch);
  95     ++ column_;
  96 }
  97
  98 prefix_ void senf::term::BaseEditor::overwriteChar(char ch)
  99 {
 100     write(ch);
 101     ++ column_;
 102 }
 103
 104 prefix_ void senf::term::BaseEditor::deleteChar()
 105 {
 106     if (tifo_.hasProperty(Terminfo::properties::DeleteCharacter))
 107         write(tifo_.getString(Terminfo::properties::DeleteCharacter));
 108     else
 109         write(tifo_.formatString(Terminfo::properties::ParmDch, 1));
 110 }
 111
 112 prefix_ unsigned senf::term::BaseEditor::currentColumn()
 113     const
 114 {
 115     return column_;
 116 }
 117
 118 prefix_ void senf::term::BaseEditor::cb_init()
 119 {
 120     tifo_.load(terminal_->terminalType());
 121     keyParser_.load(tifo_);
 122     if (tifo_.hasProperty(Terminfo::properties::KeypadXmit))
 123         write(tifo_.getString(Terminfo::properties::KeypadXmit));
 124 }
 125
 126 prefix_ void senf::term::BaseEditor::cb_charReceived(char c)
 127 {
 128     inputBuffer_ += c;
 129     timer_.timeout(senf::scheduler::eventTime() + keyTimeout_);
 130     processKeys();
 131 }
 132
 133 prefix_ void senf::term::BaseEditor::cb_windowSizeChanged()
 134 {
 135     if (column_ >= width())
 136         column_ = width()-1;
 137 }
 138
 139 prefix_ void senf::term::BaseEditor::keySequenceTimeout()
 140 {
 141     while (!inputBuffer_.empty()) {
 142         processKeys();
 143         v_keyReceived(keycode_t(inputBuffer_[0]));
 144         inputBuffer_.erase(0, 1);
 145     }
 146 }
 147
 148 prefix_ void senf::term::BaseEditor::processKeys()
 149 {
 150     do {
 151         std::pair<senf::term::KeyParser::keycode_t, std::string::size_type> result
 152             (keyParser_.lookup(inputBuffer_));
 153         if (result.first == senf::term::KeyParser::Incomplete)
 154             return;
 155         v_keyReceived(result.first);
 156         inputBuffer_.erase(0, result.second);
 157     } while (! inputBuffer_.empty());
 158     timer_.disable();
 159 }
 160
 161 prefix_ unsigned senf::term::BaseEditor::width()
 162 {
 163     return terminal_->width();
 164 }
 165
 166 prefix_ void senf::term::BaseEditor::write(char ch)
 167 {
 168     terminal_->write(ch);
 169 }
 170
 171 prefix_ void senf::term::BaseEditor::write(std::string const & s)
 172 {
 173     for (std::string::const_iterator i (s.begin()); i != s.end(); ++i)
 174         write(*i);
 175 }
 176
 177 ///////////////////////////////cc.e////////////////////////////////////////
 178 #undef prefix_
 179 //#include "Editor.mpp"
 180
 181 \f
 182 // Local Variables:
 183 // mode: c++
 184 // fill-column: 100
 185 // comment-column: 40
 186 // c-file-style: "senf"
 187 // indent-tabs-mode: nil
 188 // ispell-local-dictionary: "american"
 189 // compile-command: "scons -u test"
 190 // End: