vcs.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     \brief Web view with translations
  24
  25     \author Mateusz Półrola <mateusz.polrola@comarch.pl>
  26 */
  27
  28 #include <QtGui>
  29 #include "TranslationView.h"
  30 #include "TranslationWidget.h"
  31
  32 TranslationView::TranslationView(QWidget *parent) :
  33     QWebView(parent)
  34 {
  35     realParent = qobject_cast<TranslationWidget*>(parent);
  36     searchSelectedAction = new QAction(tr("Search"), this);
  37     copySelectedAction = new QAction(tr("Copy"), this);
  38     selectAllAction = new QAction(tr("Select All"), this);
  39     setAcceptDrops(false);
  40
  41     #ifdef Q_WS_MAEMO_5
  42         installEventFilter(this);
  43         property("kineticScroller").value<QAbstractKineticScroller*>()->
  44                 setEnabled(true);
  45     #endif
  46
  47
  48     connect(searchSelectedAction, SIGNAL(triggered()),
  49             this, SIGNAL(search()));
  50     connect(page(), SIGNAL(selectionChanged()), this, SLOT(selection()));
  51 }
  52
  53 void TranslationView::wheelEvent(QWheelEvent *e) {
  54     if(e->modifiers() & Qt::ControlModifier) {
  55         if(e->delta()>0) {
  56             zoomIn();
  57         }
  58         else {
  59             zoomOut();
  60         }
  61         e->ignore();
  62     }
  63     else {
  64         QWebView::wheelEvent(e);
  65     }
  66 }
  67
  68 bool TranslationView::eventFilter(QObject *, QEvent *e) {
  69     switch (e->type()) {
  70     case QEvent::MouseButtonPress:
  71         if (static_cast<QMouseEvent *>(e)->button() == Qt::LeftButton)
  72             mousePressed = true;
  73         break;
  74     case QEvent::MouseButtonRelease:
  75         if (static_cast<QMouseEvent *>(e)->button() == Qt::LeftButton)
  76             mousePressed = false;
  77         break;
  78     case QEvent::MouseMove:
  79         if (mousePressed)
  80             return true;
  81     default:
  82         break;
  83     }
  84     return false;
  85 }
  86
  87
  88 void TranslationView::contextMenuEvent(QContextMenuEvent *e) {
  89     QMenu *menu = new QMenu;
  90     if(selectedText().isEmpty())
  91         searchSelectedAction->setEnabled(false);
  92     else
  93         searchSelectedAction->setEnabled(true);
  94
  95     menu->addAction(searchSelectedAction);
  96     menu->addSeparator();
  97     menu->addAction(pageAction(QWebPage::Copy));
  98     menu->addAction(pageAction(QWebPage::SelectAll));
  99
 100     menu->exec(e->globalPos());
 101     delete menu;
 102
 103     e->ignore();
 104 }
 105
 106
 107 void TranslationView::zoomIn() {
 108     if(zoomFactor() >= 3)
 109         return;
 110     setZoomFactor(zoomFactor()*1.05);
 111     realParent->updateZoom(zoomFactor());
 112
 113 }
 114
 115 void TranslationView::zoomOut() {
 116     if(zoomFactor() <= 0.5)
 117         return;
 118     setZoomFactor(zoomFactor()*0.95);
 119     realParent->updateZoom(zoomFactor());
 120 }
 121
 122 void TranslationView::copy() {
 123       pageAction(QWebPage::Copy)->trigger();
 124 }
 125
 126 void TranslationView::selection() {
 127     if(selectedText().size())
 128         Q_EMIT copyAvailable(true);
 129     else
 130         Q_EMIT copyAvailable(false);
 131 }
 132
 133
 134 void TranslationView::selectAll() {
 135     pageAction(QWebPage::SelectAll)->trigger();
 136 }
 137
 138
 139