Disable scroll in text edit
[mdictionary] / trunk / src / base / gui / TranslationWidget.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 //Created by Mateusz Półrola
23
24 #include "TranslationWidget.h"
25 #include "TranslationWidgetAutoResizer.h"
26 #include <QDebug>
27 #ifdef Q_WS_MAEMO_5
28     #include <QtGui/QX11Info>
29     #include <X11/Xlib.h>
30     #include <X11/Xatom.h>
31 #endif
32
33 TranslationWidget::TranslationWidget(QWidget *parent):
34     QScrollArea(parent) {
35
36     #ifdef Q_WS_MAEMO_5
37         setAttribute(Qt::WA_Maemo5StackedWindow);
38         setWindowFlags(windowFlags() | Qt::Window);
39     #endif
40
41
42     initializeUI();
43
44     setWindowTitle("mDictionary");
45
46     connect(textEdit, SIGNAL(search()),
47            this, SLOT(searchSelected()));
48
49 }
50
51
52 void TranslationWidget::show() {
53     QScrollArea::show();
54 }
55
56
57 void TranslationWidget::show(QStringList translations) {
58
59     showMaximized();
60
61     #ifdef Q_WS_MAEMO_5
62         if(!buttonsInitialized)
63             initButtons();
64     #endif
65
66     textEdit->clear();
67
68     QString trans;
69     QString t;
70     foreach(t, translations) {
71         trans += t + "\n";
72     }
73
74  //   qDebug()<<trans;
75
76     trans=tr("<?xml version=\"1.0\" encoding=\"UTF-8\"?>") + tr("\n <ar>") + trans + tr("\n </ar>");
77     trans=XslConversion(trans);
78     textEdit->insertHtml(trans);
79  //   textEdit->setPlainText(trans);
80
81     textEdit->repaint(this->rect());
82
83     update(this->rect());
84
85     emit updateSize();
86 }
87
88 QString TranslationWidget::XslConversion(QString translation)
89 {
90     QXmlQuery myQuery(QXmlQuery::XSLT20);
91     myQuery.setFocus(translation);
92
93     QFile file(":/xsl/xsl.xsl");
94     if(!file.open(QFile::ReadOnly)){
95         qDebug()<<"can't open a xslt file";
96         return translation;
97     }
98     QString xslt;
99     xslt=file.readAll();
100     myQuery.setQuery(xslt);
101     QString result("");
102     myQuery.evaluateTo(&result);
103     return result;
104 }
105
106
107 #ifdef Q_WS_MAEMO_5
108 void TranslationWidget::initButtons() {
109
110         int x = width() - showButtonsButton->sizeHint().width();
111         int y = height() - showButtonsButton->sizeHint().height();
112
113         showButtonsButton->move(QPoint(x,y));
114         showButtonsButton->show();
115 //==================================================================
116
117         x = width() - zoomOutButton->sizeHint().width();
118         y = height() - 2*zoomOutButton->sizeHint().height();
119         zoomOutButton->move(QPoint(x, height()));
120
121         zoomOutButtonAnimation =
122                 new QPropertyAnimation(zoomOutButton, "pos", this);
123
124         zoomOutButtonAnimation->setStartValue(QPoint(x, height()));
125         zoomOutButtonAnimation->setEndValue(QPoint(x,y));
126         zoomOutButtonAnimation->setDuration(200);
127         zoomOutButtonAnimation->setEasingCurve(QEasingCurve::InOutBack);
128 //==================================================================
129         x = width() - zoomInButton->sizeHint().width();
130         y = height() - 3*zoomInButton->sizeHint().height();
131         zoomInButton->move(QPoint(x, height()));
132
133         zoomInButtonAnimation =
134                 new QPropertyAnimation(zoomInButton, "pos", this);
135
136         zoomInButtonAnimation->setStartValue(QPoint(x, height()));
137         zoomInButtonAnimation->setEndValue(QPoint(x,y));
138         zoomInButtonAnimation->setDuration(400);
139         zoomInButtonAnimation->setEasingCurve(QEasingCurve::InOutBack);
140 //==================================================================
141         x = 0;
142         y = height() - copyButton->sizeHint().height();
143
144         copyButton->move(QPoint(x, height()));
145
146         copyButtonAnimation =
147                 new QPropertyAnimation(copyButton, "pos", this);
148
149         copyButtonAnimation->setStartValue(QPoint(x, height()));
150         copyButtonAnimation->setEndValue(QPoint(x,y));
151         copyButtonAnimation->setDuration(200);
152         copyButtonAnimation->setEasingCurve(QEasingCurve::InOutBack);
153 //==================================================================
154         x = 0;
155         y = height() - 2*copyButton->sizeHint().height();
156
157         selectAllButton->move(QPoint(x, height()));
158
159         selectAllButtonAnimation =
160                 new QPropertyAnimation(selectAllButton, "pos", this);
161
162         selectAllButtonAnimation->setStartValue(QPoint(x, height()));
163         selectAllButtonAnimation->setEndValue(QPoint(x,y));
164         selectAllButtonAnimation->setDuration(400);
165         selectAllButtonAnimation->setEasingCurve(QEasingCurve::InOutBack);
166 //==================================================================
167         x = 0;
168         y = height() - 3*copyButton->sizeHint().height();
169
170         searchButton->move(QPoint(x, height()));
171
172         searchButtonAnimation =
173                 new QPropertyAnimation(searchButton, "pos", this);
174
175         searchButtonAnimation->setStartValue(QPoint(x, height()));
176         searchButtonAnimation->setEndValue(QPoint(x,y));
177         searchButtonAnimation->setDuration(600);
178         searchButtonAnimation->setEasingCurve(QEasingCurve::InOutBack);
179 //==================================================================
180
181         buttonsAnimation = new QParallelAnimationGroup(this);
182         buttonsAnimation->addAnimation(zoomInButtonAnimation);
183         buttonsAnimation->addAnimation(zoomOutButtonAnimation);
184         buttonsAnimation->addAnimation(selectAllButtonAnimation);
185         buttonsAnimation->addAnimation(copyButtonAnimation);
186         buttonsAnimation->addAnimation(searchButtonAnimation);
187         buttonsInitialized = true;
188         buttonsVisible = false;
189
190         connect(showButtonsButton, SIGNAL(clicked()),
191                 this, SLOT(showButtons()));
192 }
193 #endif
194
195 void TranslationWidget::initializeUI() {
196
197     textEdit = new TranslationTextEdit;
198     textEdit->setReadOnly(true);
199
200     resizer = new TranslationWidgetAutoResizer(textEdit);
201     connect(this, SIGNAL(updateSize()),
202             resizer, SLOT(textEditChanged()));
203
204     QWidget*w = new QWidget;
205     verticalLayout = new QVBoxLayout(w);
206     verticalLayout->addWidget(textEdit);
207
208     textEdit->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
209     textEdit->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
210
211     this->setWidget(w);
212     this->setWidgetResizable(true);
213
214     #ifdef Q_WS_MAEMO_5
215         zoomInButton = new QToolButton(this);
216         zoomInButton->setIcon(QIcon::fromTheme("pdf_zoomin"));
217         zoomInButton->setMinimumSize(zoomInButton->sizeHint());
218
219         zoomOutButton = new QToolButton(this);
220         zoomOutButton->setIcon(QIcon::fromTheme("pdf_zoomout"));
221         zoomOutButton->setMinimumSize(zoomOutButton->sizeHint());
222
223         selectAllButton = new QToolButton(this);
224         selectAllButton->setIcon(QIcon(":/icons/48x48/edit-select-all.png"));
225         selectAllButton->setMinimumSize(selectAllButton->sizeHint());
226
227         copyButton = new QToolButton(this);
228         copyButton->setIcon(QIcon::fromTheme("general_notes"));
229         copyButton->setMinimumSize(copyButton->sizeHint());
230         copyButton->setEnabled(false);
231
232         searchButton = new QToolButton(this);
233         searchButton->setIcon(QIcon::fromTheme("general_search"));
234         searchButton->setMinimumSize(searchButton->sizeHint());
235         searchButton->setEnabled(false);
236
237         showButtonsButton = new QToolButton(this);
238         showButtonsButton->setIcon(QIcon::fromTheme("general_sent"));
239         showButtonsButton->setMinimumSize(searchButton->sizeHint());
240
241         connect(zoomInButton, SIGNAL(clicked()),
242                 textEdit, SLOT(zoomIn()));
243
244         connect(zoomOutButton, SIGNAL(clicked()),
245                 textEdit, SLOT(zoomOut()));
246
247
248         connect(searchButton, SIGNAL(clicked()),
249                 this, SLOT(searchSelected()));
250
251         connect(copyButton, SIGNAL(clicked()),
252                 textEdit, SLOT(copy()));
253
254         connect(textEdit, SIGNAL(copyAvailable(bool)),
255                 searchButton, SLOT(setEnabled(bool)));
256
257         connect(textEdit, SIGNAL(copyAvailable(bool)),
258                 copyButton, SLOT(setEnabled(bool)));
259
260         connect(selectAllButton, SIGNAL(clicked()),
261                 textEdit, SLOT(selectAll()));
262
263         buttonsInitialized = false;
264
265
266
267         grabZoomKeys(true);
268     #endif
269 }
270
271 void TranslationWidget::searchSelected() {
272     #ifdef Q_WS_MAEMO_5
273         hide();
274     #endif
275     emit search(textEdit->textCursor().selectedText());
276 }
277
278 #ifdef Q_WS_MAEMO_5
279 void TranslationWidget::showButtons() {
280     if(!buttonsVisible) {
281         buttonsAnimation->setDirection(QAbstractAnimation::Forward);
282         buttonsAnimation->start();
283         buttonsVisible = true;
284
285         showButtonsButton->setIcon(QIcon::fromTheme("general_received"));
286     }
287     else if(buttonsVisible) {
288         buttonsAnimation->setDirection(QAbstractAnimation::Backward);
289         buttonsAnimation->start();
290         buttonsVisible = false;
291         showButtonsButton->setIcon(QIcon::fromTheme("general_sent"));
292     }
293 }
294
295 void TranslationWidget::grabZoomKeys(bool grab) {
296      if (!winId()) {
297          return;
298      }
299
300     unsigned long val = (grab) ? 1 : 0;
301     Atom atom = XInternAtom(QX11Info::display(),
302                             "_HILDON_ZOOM_KEY_ATOM", False);
303     if (!atom) {
304         return;
305     }
306
307     XChangeProperty (QX11Info::display(),
308          winId(),
309          atom,
310          XA_INTEGER,
311          32,
312          PropModeReplace,
313          reinterpret_cast<unsigned char *>(&val),
314          1);
315 }
316
317 void TranslationWidget::hideEvent(QHideEvent* e) {
318     if(buttonsVisible)
319         showButtons();
320
321     QScrollArea::hideEvent(e);
322 }
323
324 void TranslationWidget::keyPressEvent(QKeyEvent* event) {
325     switch (event->key()) {
326         case Qt::Key_F7:
327         textEdit->zoomIn();
328         event->accept();
329         break;
330
331         case Qt::Key_F8:
332         textEdit->zoomOut();
333         event->accept();
334         break;
335     }
336     QWidget::keyPressEvent(event);
337 }
338 #endif
339
340
341