vcs.maemo.org Git - mdictionary/blob - trunk/src/base/gui/SearchBarWidget.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
  25 #include "SearchBarWidget.h"
  26 #include <QDebug>
  27 #include "../../includes/DictDialog.h"
  28 #include "HistoryListDialog.h"
  29
  30
  31 SearchBarWidget::SearchBarWidget(QWidget *parent) :
  32     QWidget(parent) {
  33
  34     initializeUI();
  35
  36
  37     _isSearching = false;
  38
  39     connect(searchPushButton, SIGNAL(clicked()),
  40             this, SLOT(searchPushButtonClicked()));
  41
  42     connect(searchWordLineEdit, SIGNAL(returnPressed()),
  43             this, SLOT(searchPushButtonClicked()));
  44
  45     connect(historyNextToolButton, SIGNAL(clicked()),
  46             this, SIGNAL(historyNext()));
  47
  48     connect(historyPrevToolButton, SIGNAL(clicked()),
  49             this, SIGNAL(historyPrev()));
  50
  51     connect(historyShowToolButton, SIGNAL(clicked()),
  52             this, SIGNAL(historyShow()));
  53
  54     connect(clearSearchWordToolButton, SIGNAL(clicked()),
  55             this, SLOT(clearSearchWordToolButtonClicked()));
  56
  57
  58     connect(&delayTimer, SIGNAL(timeout()),
  59             this, SLOT(delaySearchTimeout()));
  60
  61
  62     searchWordLineEdit->setFocus();
  63
  64     historyPrevToolButton->setEnabled(false);
  65     historyNextToolButton->setEnabled(false);
  66     historyShowToolButton->setEnabled(false);
  67     setEnabled(true);
  68 }
  69
  70 SearchBarWidget::~SearchBarWidget() {
  71
  72 }
  73
  74 QIcon SearchBarWidget::generateIcon(QIcon oryginal, qreal rotation) {
  75     QPixmap p = oryginal.pixmap(64);
  76
  77     if(rotation != 0) {
  78         QMatrix m;
  79         m.rotate(rotation);
  80
  81         p = p.transformed(m);
  82     }
  83
  84     QIcon newIcon;
  85     newIcon.addPixmap(p);
  86
  87
  88     #ifdef Q_WS_MAEMO_5
  89         QPainter painter(&p);
  90         painter.fillRect(p.rect(), QColor(0,0,0,192));
  91
  92         newIcon.addPixmap(p, QIcon::Disabled, QIcon::Off);
  93     #endif
  94
  95     return newIcon;
  96 }
  97
  98
  99 void SearchBarWidget::initializeUI() {
 100
 101     #ifdef Q_WS_MAEMO_5
 102         setMaximumHeight(150);
 103     #else
 104         setMaximumHeight(100);
 105     #endif
 106
 107
 108     horizontalLayout = new QHBoxLayout;
 109     verticalLayout = new QVBoxLayout;
 110
 111
 112     searchPushButton = new QPushButton(tr("Search"));
 113     searchPushButton->setMinimumWidth(125);
 114
 115
 116     searchWordLineEdit = new QLineEdit;
 117     searchWordLineEdit->setMinimumWidth(250);
 118
 119
 120
 121     completerModel = new QStringListModel;
 122
 123
 124     lineEditCompleter = new QCompleter(searchWordLineEdit);
 125     lineEditCompleter->setModel(completerModel);
 126     lineEditCompleter->setCaseSensitivity(Qt::CaseInsensitive);
 127     lineEditCompleter->setCompletionMode(QCompleter::InlineCompletion);
 128     searchWordLineEdit->setCompleter(lineEditCompleter);
 129
 130
 131     #ifndef Q_WS_MAEMO_5
 132         searchWordLineEdit->setMinimumHeight(
 133                 searchWordLineEdit->sizeHint().height()*3/2);
 134     #endif
 135
 136
 137     //create layout for lineEdit to have clear button on it
 138     QHBoxLayout* lineEditLayout = new QHBoxLayout;
 139     searchWordLineEdit->setLayout(lineEditLayout);
 140
 141
 142     clearSearchWordToolButton = new QToolButton;
 143     #ifdef Q_WS_MAEMO_5
 144         clearSearchWordToolButton->setIcon(QIcon::fromTheme("general_stop"));
 145         //tool buttons will have size 2 times smaller
 146         clearSearchWordToolButton->setMaximumSize(
 147                 clearSearchWordToolButton->sizeHint().height()/2,
 148                 clearSearchWordToolButton->sizeHint().height()/2);
 149         lineEditLayout->setContentsMargins(0,0,10,0);
 150     #else
 151         clearSearchWordToolButton->setIcon(QIcon::fromTheme("edit-clear"));
 152         clearSearchWordToolButton->setMinimumSize(
 153                 searchWordLineEdit->sizeHint().height()*1.2,
 154                 searchWordLineEdit->sizeHint().height()*1.2);
 155         lineEditLayout->setContentsMargins(0,0,5,0);
 156     #endif
 157
 158
 159     historyNextToolButton = new QToolButton;
 160     #ifdef Q_WS_MAEMO_5
 161         historyNextToolButton->setIcon(
 162                 generateIcon(QIcon::fromTheme("general_forward")));
 163     #else
 164         historyNextToolButton->setIcon(
 165                 generateIcon(QIcon::fromTheme("go-next")));
 166     #endif
 167
 168
 169
 170     historyPrevToolButton = new QToolButton;
 171     #ifdef Q_WS_MAEMO_5
 172         historyPrevToolButton->setIcon(
 173                 generateIcon(QIcon::fromTheme("general_back")));
 174     #else
 175         historyPrevToolButton->setIcon(
 176                 generateIcon(QIcon::fromTheme("go-previous")));
 177     #endif
 178
 179
 180
 181     historyShowToolButton = new QToolButton;
 182     #ifdef Q_WS_MAEMO_5
 183         historyShowToolButton->setIcon(
 184                 generateIcon(QIcon::fromTheme("general_back"), 90));
 185     #else
 186         historyShowToolButton->setIcon(
 187                 generateIcon(QIcon::fromTheme("go-up")));
 188     #endif
 189
 190     searchingProgressBar = new QProgressBar;
 191     //progress bar have minimum and maximum values set to 0, which will effect
 192     //with "I'm alive" bar
 193     searchingProgressBar->setMinimum(0);
 194     searchingProgressBar->setMaximum(0);
 195     #ifdef Q_WS_MAEMO_5
 196         searchingProgressBar->setMaximumHeight(50);
 197     #endif
 198     searchingProgressBar->hide();
 199
 200
 201     setLayout(verticalLayout);
 202
 203     verticalLayout->addWidget(searchingProgressBar);
 204
 205     //adding widgets to layout
 206     horizontalLayout->addWidget(searchWordLineEdit);
 207     horizontalLayout->addWidget(searchPushButton);
 208     horizontalLayout->addWidget(historyPrevToolButton);
 209     horizontalLayout->addWidget(historyShowToolButton);
 210     horizontalLayout->addWidget(historyNextToolButton);
 211
 212     //adding clear toolButton to textEdit with right alignment
 213     lineEditLayout->addWidget(clearSearchWordToolButton, 0, Qt::AlignRight);
 214
 215
 216     verticalLayout->addLayout(horizontalLayout);
 217 }
 218
 219
 220 void SearchBarWidget::searchPushButtonClicked() {
 221     if(_isSearching) {
 222         Q_EMIT stopSearching();
 223     }
 224     else {
 225         search(searchWordLineEdit->text());
 226     }
 227 }
 228
 229
 230 void SearchBarWidget::search(QString word) {
 231     if(!_isSearching && !word.isEmpty()) {
 232         completerModel->insertRow(completerModel->rowCount());
 233         QModelIndex index =
 234                 completerModel->index(completerModel->rowCount() -1);
 235
 236         completerModel->setData(index, word);
 237
 238
 239         searchWordLineEdit->setText(word);
 240         Q_EMIT searchForTranslations(word);
 241     }
 242 }
 243
 244 void SearchBarWidget::searchDelay(QString word) {
 245     if(!_isSearching && !word.isEmpty()) {
 246         searchWordLineEdit->setText(word);
 247
 248
 249         if(delayTimer.isActive()) {
 250             delayTimer.stop();
 251         }
 252
 253         delayString = word;
 254         delayTimer.start(500);
 255     }
 256 }
 257
 258 void SearchBarWidget::delaySearchTimeout() {
 259     delayTimer.stop();
 260     if(!_isSearching) {
 261         Q_EMIT searchForTranslations(delayString);
 262     }
 263 }
 264
 265 void SearchBarWidget::setEnabled(bool enabled) {
 266     searchWordLineEdit->setEnabled(enabled);
 267
 268     if(!enabled) {
 269         historyPrevToolButton->setEnabled(false);
 270         historyNextToolButton->setEnabled(false);
 271         historyShowToolButton->setEnabled(false);
 272     }
 273 }
 274
 275 void SearchBarWidget::setBusy() {
 276     if(_isSearching) return;
 277     searchingProgressBar->show();
 278     searchPushButton->setText(tr("Stop"));
 279     setEnabled(false);
 280     _isSearching = true;
 281 }
 282
 283 void SearchBarWidget::setIdle() {
 284     if(!_isSearching) return;
 285     searchingProgressBar->hide();
 286     searchPushButton->setText(tr("Search"));
 287     setEnabled(true);
 288     _isSearching = false;
 289     Q_EMIT refreshHistoryButtons();
 290 }
 291
 292
 293 void SearchBarWidget::clearSearchWordToolButtonClicked() {
 294     searchWordLineEdit->clear();
 295 }
 296
 297
 298
 299 void SearchBarWidget::updateHistoryButtons(bool prev, bool next, bool list) {
 300     if(!_isSearching) {
 301         historyPrevToolButton->setEnabled(prev);
 302         historyNextToolButton->setEnabled(next);
 303         historyShowToolButton->setEnabled(list);
 304     }
 305 }