utils/themeeditor/gui/syntaxcompleter.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 Robert Bieber
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <QFile>
  23 #include <QTreeWidgetItem>
  24
  25 #include "syntaxcompleter.h"
  26 #include "codeeditor.h"
  27
  28 SyntaxCompleter::SyntaxCompleter(CodeEditor *parent) :
  29     QTreeWidget(parent)
  30 {
  31     setHeaderHidden(true);
  32     setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
  33
  34     setWordWrap(true);
  35     setColumnCount(2);
  36
  37     QObject::connect(this, SIGNAL(activated(QModelIndex)),
  38                      parent, SLOT(insertTag()));
  39
  40     QFile fin(":/resources/tagdb");
  41     fin.open(QFile::ReadOnly | QFile::Text);
  42
  43     while(!fin.atEnd())
  44     {
  45         QString line(fin.readLine());
  46         if(line.trimmed().length() == 0 || line.trimmed()[0] == '#')
  47             continue;
  48
  49         QStringList split = line.split(":");
  50         QStringList tag;
  51         tag.append(split[0].trimmed());
  52         tag.append(split[1].trimmed());
  53         tags.insertMulti(split[0].trimmed().toLower(), tag);
  54     }
  55
  56     filter("");
  57
  58 }
  59
  60 void SyntaxCompleter::filter(QString text)
  61 {
  62     clear();
  63
  64     for(QMap<QString, QStringList>::iterator i = tags.begin()
  65         ; i != tags.end(); i++)
  66     {
  67         if(text.length() == 1)
  68         {
  69             if(text[0].toLower() != i.key()[0].toLower())
  70                 continue;
  71         }
  72         else if(text.length() == 2)
  73         {
  74             if(text[0].toLower() != i.key()[0].toLower() || i.key().length() < 2
  75                || text[1].toLower() != i.key()[1].toLower())
  76                 continue;
  77         }
  78         else if(text.length() > 2)
  79         {
  80             hide();
  81         }
  82
  83         addTopLevelItem(new QTreeWidgetItem(i.value()));
  84     }
  85
  86     if(topLevelItemCount() > 0)
  87         setCurrentIndex(indexFromItem(topLevelItem(0)));
  88
  89     resizeColumnToContents(0);
  90     setColumnWidth(0, columnWidth(0) + 10); // Auto-resize is too small
  91     resizeColumnToContents(1);
  92 }