git.maemo.org Git - mdictionary/blob - src/mdictionary/gui/TranslationView.cpp

   1 /*******************************************************************************
   2
   3     This file is part of mDictionary.
   4
   5     mDictionary is free software: you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation, either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     mDictionary is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with mDictionary.  If not, see <http://www.gnu.org/licenses/>.
  17
  18     Copyright 2010 Comarch S.A.
  19
  20 *******************************************************************************/
  21
  22 //! \file TranslationView.cpp
  23 //! \author Mateusz Półrola <mateusz.polrola@comarch.pl>
  24
  25 #include <QtGui>
  26 #include "TranslationView.h"
  27 #include "TranslationWidget.h"
  28
  29 TranslationView::TranslationView(QWidget *parent) :
  30     QWebView(parent)
  31 {
  32     realParent = qobject_cast<TranslationWidget*>(parent);
  33     searchSelectedAction = new QAction(tr("Search"), this);
  34     copySelectedAction = new QAction(tr("Copy"), this);
  35     selectAllAction = new QAction(tr("Select All"), this);
  36     setAcceptDrops(false);
  37
  38     #ifdef Q_WS_MAEMO_5
  39         installEventFilter(this);
  40         property("kineticScroller").value<QAbstractKineticScroller*>()->
  41                 setEnabled(true);
  42     #endif
  43
  44
  45     connect(searchSelectedAction, SIGNAL(triggered()),
  46             this, SIGNAL(search()));
  47     connect(page(), SIGNAL(selectionChanged()), this, SLOT(selection()));
  48 }
  49
  50 void TranslationView::wheelEvent(QWheelEvent *e) {
  51     if(e->modifiers() & Qt::ControlModifier) {
  52         if(e->delta()>0) {
  53             zoomIn();
  54         }
  55         else {
  56             zoomOut();
  57         }
  58         e->ignore();
  59     }
  60     else {
  61         QWebView::wheelEvent(e);
  62     }
  63 }
  64
  65 bool TranslationView::eventFilter(QObject *, QEvent *e) {
  66     switch (e->type()) {
  67     case QEvent::MouseButtonPress:
  68         if (static_cast<QMouseEvent *>(e)->button() == Qt::LeftButton)
  69             mousePressed = true;
  70         break;
  71     case QEvent::MouseButtonRelease:
  72         if (static_cast<QMouseEvent *>(e)->button() == Qt::LeftButton)
  73             mousePressed = false;
  74         break;
  75     case QEvent::MouseMove:
  76         if (mousePressed)
  77             return true;
  78     default:
  79         break;
  80     }
  81     return false;
  82 }
  83
  84
  85 void TranslationView::contextMenuEvent(QContextMenuEvent *e) {
  86     QMenu *menu = new QMenu;
  87     if(selectedText().isEmpty())
  88         searchSelectedAction->setEnabled(false);
  89     else
  90         searchSelectedAction->setEnabled(true);
  91
  92     menu->addAction(searchSelectedAction);
  93     menu->addSeparator();
  94     menu->addAction(pageAction(QWebPage::Copy));
  95     menu->addAction(pageAction(QWebPage::SelectAll));
  96
  97     menu->exec(e->globalPos());
  98     delete menu;
  99
 100     e->ignore();
 101 }
 102
 103
 104 void TranslationView::zoomIn() {
 105     if(zoomFactor() >= 3)
 106         return;
 107     setZoomFactor(zoomFactor()*1.05);
 108     realParent->updateZoom(zoomFactor());
 109
 110 }
 111
 112 void TranslationView::zoomOut() {
 113     if(zoomFactor() <= 0.5)
 114         return;
 115     setZoomFactor(zoomFactor()*0.95);
 116     realParent->updateZoom(zoomFactor());
 117 }
 118
 119 void TranslationView::copy() {
 120       pageAction(QWebPage::Copy)->trigger();
 121 }
 122
 123 void TranslationView::selection() {
 124     if(selectedText().size())
 125         Q_EMIT copyAvailable(true);
 126     else
 127         Q_EMIT copyAvailable(false);
 128 }
 129
 130
 131 void TranslationView::selectAll() {
 132     pageAction(QWebPage::SelectAll)->trigger();
 133 }
 134
 135
 136