git.maemo.org Git - mdictionary/blob - src/mdictionary/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 /*! \file SearchBarWidget.cpp
  23     \brief Displays search bar
  24
  25     \author Mateusz Półrola <mateusz.polrola@comarch.pl>
  26 */
  27
  28
  29 #include "SearchBarWidget.h"
  30 #include <QDebug>
  31 #include "../../include/DictDialog.h"
  32 #include "HistoryListDialog.h"
  33
  34
  35 SearchBarWidget::SearchBarWidget(QWidget *parent) : QWidget(parent) {
  36
  37     initializeUI();
  38
  39
  40     busy = false;
  41
  42     connect(searchPushButton, SIGNAL(clicked()),
  43             this, SLOT(searchPushButtonClicked()));
  44
  45     connect(searchWordLineEdit, SIGNAL(returnPressed()),
  46             this, SLOT(searchPushButtonClicked()));
  47
  48     connect(historyNextToolButton, SIGNAL(clicked()),
  49             this, SIGNAL(historyNext()));
  50
  51     connect(historyPrevToolButton, SIGNAL(clicked()),
  52             this, SIGNAL(historyPrev()));
  53
  54     connect(historyShowToolButton, SIGNAL(clicked()),
  55             this, SLOT(showHistoryButtonClicked()));
  56
  57     connect(clearSearchWordToolButton, SIGNAL(clicked()),
  58             this, SLOT(clearSearchWordToolButtonClicked()));
  59
  60
  61     connect(&delayTimer, SIGNAL(timeout()),
  62             this, SLOT(delaySearchTimeout()));
  63
  64
  65     searchWordLineEdit->setFocus();
  66
  67     historyPrevToolButton->setEnabled(false);
  68     historyNextToolButton->setEnabled(false);
  69     historyShowToolButton->setEnabled(false);
  70
  71     setEnabled(true);
  72 }
  73
  74 SearchBarWidget::~SearchBarWidget() {
  75
  76 }
  77
  78 QIcon SearchBarWidget::generateIcon(QIcon original, qreal rotation) {
  79     QPixmap p = original.pixmap(64);
  80
  81
  82     if(rotation != 0) {
  83         QMatrix m;
  84         m.rotate(rotation);
  85
  86         p = p.transformed(m);
  87     }
  88
  89     QIcon newIcon;
  90     newIcon.addPixmap(p);
  91
  92
  93     #ifdef Q_WS_MAEMO_5
  94         QImage img = p.toImage();
  95
  96         for(int i=0; i < img.width(); i++) {
  97             for(int j=0; j < img.height(); j++) {
  98                 QColor c = img.pixel(i,j);
  99                 if(c != QColor(0,0,0,255)) {
 100                     c.setRed(c.red()/2);
 101                     c.setGreen(c.green()/2);
 102                     c.setBlue(c.blue()/2);
 103                     img.setPixel(i, j, c.rgb());
 104                 }
 105             }
 106         }
 107         p = p.fromImage(img);
 108
 109         newIcon.addPixmap(p, QIcon::Disabled, QIcon::Off);
 110     #endif
 111
 112     return newIcon;
 113 }
 114
 115
 116 void SearchBarWidget::setFocus() {
 117     searchWordLineEdit->setFocus();
 118 }
 119
 120 void SearchBarWidget::initializeUI() {
 121
 122     #ifdef Q_WS_MAEMO_5
 123         setMaximumHeight(150);
 124     #else
 125         setMaximumHeight(100);
 126     #endif
 127
 128
 129     horizontalLayout = new QHBoxLayout;
 130     verticalLayout = new QVBoxLayout;
 131
 132
 133     searchPushButton = new QPushButton(tr("Search"));
 134     searchPushButton->setMinimumWidth(125);
 135
 136
 137     searchWordLineEdit = new QLineEdit;
 138     searchWordLineEdit->setMinimumWidth(250);
 139
 140
 141
 142     completerModel = new QStringListModel(this);
 143
 144
 145     lineEditCompleter = new QCompleter(searchWordLineEdit);
 146     lineEditCompleter->setModel(completerModel);
 147     lineEditCompleter->setCaseSensitivity(Qt::CaseInsensitive);
 148     lineEditCompleter->setCompletionMode(QCompleter::InlineCompletion);
 149     searchWordLineEdit->setCompleter(lineEditCompleter);
 150
 151
 152     #ifndef Q_WS_MAEMO_5
 153         searchWordLineEdit->setMinimumHeight(
 154                 searchWordLineEdit->sizeHint().height()*3/2);
 155     #endif
 156
 157
 158     //create layout for lineEdit to have clear button on it
 159     QHBoxLayout* lineEditLayout = new QHBoxLayout;
 160     searchWordLineEdit->setLayout(lineEditLayout);
 161
 162
 163     clearSearchWordToolButton = new QToolButton;
 164     #ifdef Q_WS_MAEMO_5
 165         clearSearchWordToolButton->setIcon(QIcon::fromTheme("general_stop"));
 166         clearSearchWordToolButton->setMaximumSize(
 167                 clearSearchWordToolButton->sizeHint().height()/2,
 168                 clearSearchWordToolButton->sizeHint().height()/2);
 169         lineEditLayout->setContentsMargins(0,0,15,0);
 170     #else
 171         clearSearchWordToolButton->setIcon(QIcon::fromTheme("edit-clear"));
 172         clearSearchWordToolButton->setMinimumSize(
 173                 searchWordLineEdit->sizeHint().height()*1.2,
 174                 searchWordLineEdit->sizeHint().height()*1.2);
 175         lineEditLayout->setContentsMargins(0,0,5,0);
 176     #endif
 177
 178
 179     historyNextToolButton = new QToolButton;
 180     #ifdef Q_WS_MAEMO_5
 181         historyNextToolButton->setIcon(
 182                 generateIcon(QIcon::fromTheme("general_forward")));
 183     #else
 184         historyNextToolButton->setIcon(
 185                 generateIcon(QIcon::fromTheme("go-next")));
 186     #endif
 187
 188
 189
 190     historyPrevToolButton = new QToolButton;
 191     #ifdef Q_WS_MAEMO_5
 192         historyPrevToolButton->setIcon(
 193                 generateIcon(QIcon::fromTheme("general_back")));
 194     #else
 195         historyPrevToolButton->setIcon(
 196                 generateIcon(QIcon::fromTheme("go-previous")));
 197     #endif
 198
 199
 200
 201     historyShowToolButton = new QToolButton;
 202     #ifdef Q_WS_MAEMO_5
 203         historyShowToolButton->setIcon(
 204                 generateIcon(QIcon::fromTheme("general_back"), 90));
 205     #else
 206         historyShowToolButton->setIcon(
 207                 generateIcon(QIcon::fromTheme("go-up")));
 208     #endif
 209
 210     searchingProgressBar = new QProgressBar;
 211     //progress bar has minimum and maximum values set to 0, which will effect
 212     //with "I'm alive" bar
 213     searchingProgressBar->setMinimum(0);
 214     searchingProgressBar->setMaximum(0);
 215     #ifdef Q_WS_MAEMO_5
 216         searchingProgressBar->setMaximumHeight(50);
 217     #endif
 218     searchingProgressBar->hide();
 219
 220
 221     setLayout(verticalLayout);
 222
 223     verticalLayout->addWidget(searchingProgressBar);
 224
 225     //adding widgets to layout
 226     horizontalLayout->addWidget(searchWordLineEdit);
 227     horizontalLayout->addWidget(searchPushButton);
 228     horizontalLayout->addWidget(historyPrevToolButton);
 229     horizontalLayout->addWidget(historyShowToolButton);
 230     horizontalLayout->addWidget(historyNextToolButton);
 231
 232     //adding clear toolButton to textEdit with right alignment
 233     lineEditLayout->addWidget(clearSearchWordToolButton, 0, Qt::AlignRight);
 234
 235
 236     verticalLayout->addLayout(horizontalLayout);
 237 }
 238
 239
 240 void SearchBarWidget::searchPushButtonClicked() {
 241     if(busy) {
 242         Q_EMIT stopSearching();
 243     }
 244     else {
 245         search(searchWordLineEdit->text());
 246     }
 247 }
 248
 249
 250 void SearchBarWidget::search(QString word) {
 251     if(!busy && !word.isEmpty()) {
 252         completerModel->insertRow(completerModel->rowCount());
 253         QModelIndex index =
 254                 completerModel->index(completerModel->rowCount() -1);
 255
 256         completerModel->setData(index, word);
 257
 258
 259         searchWordLineEdit->setText(word);
 260         Q_EMIT searchForTranslations(word);
 261     }
 262 }
 263
 264 void SearchBarWidget::searchDelay(QString word) {
 265     if(!busy && !word.isEmpty()) {
 266         searchWordLineEdit->setText(word);
 267
 268
 269         if(delayTimer.isActive()) {
 270             delayTimer.stop();
 271         }
 272
 273         delayString = word;
 274         delayTimer.start(500);
 275     }
 276 }
 277
 278 void SearchBarWidget::delaySearchTimeout() {
 279     delayTimer.stop();
 280     if(!busy) {
 281         Q_EMIT searchForTranslations(delayString);
 282     }
 283 }
 284
 285 void SearchBarWidget::setEnabled(bool enabled) {
 286     searchWordLineEdit->setEnabled(enabled);
 287
 288     if(!enabled) {
 289         historyPrevToolButton->setEnabled(false);
 290         historyNextToolButton->setEnabled(false);
 291         historyShowToolButton->setEnabled(false);
 292     }
 293 }
 294
 295 void SearchBarWidget::setBusy() {
 296     if(busy) return;
 297     searchingProgressBar->show();
 298     searchPushButton->setText(tr("Stop"));
 299     setEnabled(false);
 300     busy = true;
 301 }
 302
 303 void SearchBarWidget::setIdle() {
 304     if(!busy) return;
 305     searchingProgressBar->hide();
 306     searchPushButton->setText(tr("Search"));
 307     setEnabled(true);
 308     busy = false;
 309     Q_EMIT refreshHistoryButtons();
 310 }
 311
 312
 313 void SearchBarWidget::clearSearchWordToolButtonClicked() {
 314     searchWordLineEdit->clear();
 315 }
 316
 317
 318
 319 void SearchBarWidget::updateHistoryButtons(bool prev, bool next, bool list) {
 320     if(!busy) {
 321         historyPrevToolButton->setEnabled(prev);
 322         historyNextToolButton->setEnabled(next);
 323         historyShowToolButton->setEnabled(list);
 324     }
 325 }
 326
 327 void SearchBarWidget::showHistoryButtonClicked() {
 328     #ifdef Q_WS_MAEMO_5
 329         emit historyShow();
 330     #else
 331         QPoint p = historyShowToolButton->pos();
 332         p.setY(p.y());
 333         emit historyShow(mapToGlobal(p));
 334     #endif
 335 }