simpletextview.cpp

   1 #include "common.h"
   2 #include "simpletextview.h"
   3 #include "mainwindow.h"
   4
   5 #include <QDebug>
   6 #include <QMenu>
   7 #include <QSettings>
   8 #include <QShortcut>
   9 #include <QTextCodec>
  10
  11 SimpleTextView::SimpleTextView(QWidget *parent) :
  12     QPlainTextEdit(parent),
  13     m_convEUC(NULL),
  14     m_convJIS(NULL),
  15     m_convSJIS(NULL),
  16     m_convUTF8(NULL),
  17     m_convUTF16BE(NULL),
  18     m_convUTF16LE(NULL),
  19     m_back(NULL)
  20 {
  21     setReadOnly(true);
  22
  23     QSettings settings;
  24     QPalette palette = this->palette();
  25     palette.setColor(QPalette::Base,
  26                      settings.value(IniKey_ViewColorBgNormal).value<QColor>());
  27     palette.setColor(QPalette::Text,
  28                      settings.value(IniKey_ViewColorFgNormal).value<QColor>());
  29     setPalette(palette);
  30
  31     QFont font = this->font();
  32 #ifdef Q_OS_MAC
  33     font.setFamily("Menlo");
  34 #else
  35     font.setFamily("ＭＳ ゴシック");
  36 #endif
  37     setFont(font);
  38
  39     setContextMenuPolicy(Qt::DefaultContextMenu);
  40     m_convEUC = new QAction(tr("EUC-JPで再読込"), this);
  41     m_convJIS = new QAction(tr("ISO 2022-JP(JIS)で再読込"), this);
  42     m_convSJIS = new QAction(tr("Shift-JISで再読込"), this);
  43     m_convUTF8 = new QAction(tr("UTF-8で再読込"), this);
  44     m_convUTF16BE = new QAction(tr("UTF-16BEで再読込"), this);
  45     m_convUTF16LE = new QAction(tr("UTF-16LEで再読込"), this);
  46     m_back = new QAction(tr("戻る"), this);
  47
  48     m_convEUC->setShortcut(QKeySequence("E"));
  49     m_convJIS->setShortcut(QKeySequence("J"));
  50     m_convSJIS->setShortcut(QKeySequence("S"));
  51     m_convUTF8->setShortcut(QKeySequence("U"));
  52     m_convUTF16BE->setShortcut(QKeySequence("B"));
  53     m_convUTF16LE->setShortcut(QKeySequence("L"));
  54     m_back->setShortcut(QKeySequence("Return"));
  55
  56     connect(m_convEUC, SIGNAL(triggered()), this, SLOT(convertFromEUC()));
  57     connect(m_convJIS, SIGNAL(triggered()), this, SLOT(convertFromJIS()));
  58     connect(m_convSJIS, SIGNAL(triggered()), this, SLOT(convertFromSJIS()));
  59     connect(m_convUTF8, SIGNAL(triggered()), this, SLOT(convertFromUTF8()));
  60     connect(m_convUTF16BE, SIGNAL(triggered()), this, SLOT(convertFromUTF16BE()));
  61     connect(m_convUTF16LE, SIGNAL(triggered()), this, SLOT(convertFromUTF16LE()));
  62     connect(m_back, SIGNAL(triggered()), this, SLOT(back()));
  63 }
  64
  65 void SimpleTextView::setSource(const QByteArray &source)
  66 {
  67     m_source = source;
  68 #ifdef Q_OS_MAC
  69     convertFromUTF8();
  70 #else
  71     convertFromSJIS();
  72 #endif
  73 }
  74
  75 void SimpleTextView::convertFromEUC()
  76 {
  77     QTextCodec *codec = QTextCodec::codecForName("EUC-JP");
  78     setPlainText(codec->toUnicode(m_source));
  79 }
  80
  81 void SimpleTextView::convertFromJIS()
  82 {
  83     QTextCodec *codec = QTextCodec::codecForName("ISO 2022-JP");
  84     setPlainText(codec->toUnicode(m_source));
  85 }
  86
  87 void SimpleTextView::convertFromSJIS()
  88 {
  89     QTextCodec *codec = QTextCodec::codecForName("Shift-JIS");
  90     setPlainText(codec->toUnicode(m_source));
  91 }
  92
  93 void SimpleTextView::convertFromUTF8()
  94 {
  95     QTextCodec *codec = QTextCodec::codecForName("UTF-8");
  96     setPlainText(codec->toUnicode(m_source));
  97 }
  98
  99 void SimpleTextView::convertFromUTF16BE()
 100 {
 101     QTextCodec *codec = QTextCodec::codecForName("UTF-16BE");
 102     setPlainText(codec->toUnicode(m_source));
 103 }
 104
 105 void SimpleTextView::convertFromUTF16LE()
 106 {
 107     QTextCodec *codec = QTextCodec::codecForName("UTF-16LE");
 108     setPlainText(codec->toUnicode(m_source));
 109 }
 110
 111 void SimpleTextView::back()
 112 {
 113     emit viewFinished(this);
 114 }
 115
 116 void SimpleTextView::keyPressEvent(QKeyEvent *event)
 117 {
 118     QString modifier = QString::null;
 119     if (event->modifiers() & Qt::ShiftModifier)     { modifier += "Shift+"; }
 120     if (event->modifiers() & Qt::ControlModifier)   { modifier += "Ctrl+"; }
 121     if (event->modifiers() & Qt::AltModifier)       { modifier += "Alt+"; }
 122     if (event->modifiers() & Qt::MetaModifier)      { modifier += "Meta+"; }
 123
 124     QString key = QKeySequence(event->key()).toString();
 125     QString ksq = QKeySequence(modifier + key).toString();
 126
 127     if (ksq == "Return" || ksq == "Backspace" || ksq == "W") {
 128         emit viewFinished(this);
 129         event->accept();
 130         return;
 131     }
 132
 133     if (!ksq.isEmpty()) {
 134         foreach (QObject *obj, this->children()) {
 135             QAction *action = qobject_cast<QAction*>(obj);
 136             if (action && action->isEnabled()) {
 137                 foreach (const QKeySequence &keySeq, action->shortcuts()) {
 138                     if (ksq == keySeq.toString()) {
 139                         qDebug() << "emit " << ksq << " " << action->objectName();
 140                         emit action->triggered();
 141                         event->accept();
 142                         return;
 143                     }
 144                 }
 145             }
 146         }
 147
 148         foreach (QObject *obj, getMainWnd()->children()) {
 149             QAction *action = qobject_cast<QAction*>(obj);
 150             if (action && action->isEnabled()) {
 151                 foreach (const QKeySequence &keySeq, action->shortcuts()) {
 152                     if (ksq == keySeq.toString()) {
 153                         qDebug() << "emit " << ksq << " " << action->objectName();
 154                         emit action->triggered();
 155                         event->accept();
 156                         return;
 157                     }
 158                 }
 159             }
 160         }
 161     }
 162
 163     if (ksq != "Down" && ksq != "Up") {
 164         qDebug() << ksq;
 165     }
 166
 167     QPlainTextEdit::keyPressEvent(event);
 168 }
 169
 170
 171 void SimpleTextView::contextMenuEvent(QContextMenuEvent *event)
 172 {
 173     qDebug() << "contextMenuEvent();";
 174     QMenu menu(this);
 175     menu.addAction(m_convEUC);
 176     menu.addAction(m_convJIS);
 177     menu.addAction(m_convSJIS);
 178     menu.addAction(m_convUTF8);
 179     menu.addAction(m_convUTF16BE);
 180     menu.addAction(m_convUTF16LE);
 181     menu.addAction(m_back);
 182     menu.exec(event->globalPos());
 183 }