vcs.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) :
  36     QWidget(parent) {
  37
  38     initializeUI();
  39
  40
  41     busy = false;
  42
  43     connect(searchPushButton, SIGNAL(clicked()),
  44             this, SLOT(searchPushButtonClicked()));
  45
  46     connect(searchWordLineEdit, SIGNAL(returnPressed()),
  47             this, SLOT(searchPushButtonClicked()));
  48
  49     connect(historyNextToolButton, SIGNAL(clicked()),
  50             this, SIGNAL(historyNext()));
  51
  52     connect(historyPrevToolButton, SIGNAL(clicked()),
  53             this, SIGNAL(historyPrev()));
  54
  55     connect(historyShowToolButton, SIGNAL(clicked()),
  56             this, SLOT(showHistoryButtonClicked()));
  57
  58     connect(clearSearchWordToolButton, SIGNAL(clicked()),
  59             this, SLOT(clearSearchWordToolButtonClicked()));
  60
  61
  62     connect(&delayTimer, SIGNAL(timeout()),
  63             this, SLOT(delaySearchTimeout()));
  64
  65
  66     searchWordLineEdit->setFocus();
  67
  68     historyPrevToolButton->setEnabled(false);
  69     historyNextToolButton->setEnabled(false);
  70     historyShowToolButton->setEnabled(false);
  71
  72     setEnabled(true);
  73 }
  74
  75 SearchBarWidget::~SearchBarWidget() {
  76
  77 }
  78
  79 QIcon SearchBarWidget::generateIcon(QIcon original, qreal rotation) {
  80     QPixmap p = original.pixmap(64);
  81
  82
  83     if(rotation != 0) {
  84         QMatrix m;
  85         m.rotate(rotation);
  86
  87         p = p.transformed(m);
  88     }
  89
  90     QIcon newIcon;
  91     newIcon.addPixmap(p);
  92
  93
  94     #ifdef Q_WS_MAEMO_5
  95         QImage img = p.toImage();
  96
  97         for(int i=0; i < img.width(); i++) {
  98             for(int j=0; j < img.height(); j++) {
  99                 QColor c = img.pixel(i,j);
 100                 if(c != QColor(0,0,0,255)) {
 101                     c.setRed(c.red()/2);
 102                     c.setGreen(c.green()/2);
 103                     c.setBlue(c.blue()/2);
 104                     img.setPixel(i, j, c.rgb());
 105                 }
 106             }
 107         }
 108         p = p.fromImage(img);
 109
 110         newIcon.addPixmap(p, QIcon::Disabled, QIcon::Off);
 111     #endif
 112
 113     return newIcon;
 114 }
 115
 116
 117 void SearchBarWidget::setFocus() {
 118     searchWordLineEdit->setFocus();
 119 }
 120
 121 void SearchBarWidget::initializeUI() {
 122
 123     #ifdef Q_WS_MAEMO_5
 124         setMaximumHeight(150);
 125     #else
 126         setMaximumHeight(100);
 127     #endif
 128
 129
 130     horizontalLayout = new QHBoxLayout;
 131     verticalLayout = new QVBoxLayout;
 132
 133
 134     searchPushButton = new QPushButton(tr("Search"));
 135     searchPushButton->setMinimumWidth(125);
 136
 137
 138     searchWordLineEdit = new QLineEdit;
 139     searchWordLineEdit->setMinimumWidth(250);
 140
 141
 142
 143     completerModel = new QStringListModel(this);
 144
 145
 146     lineEditCompleter = new QCompleter(searchWordLineEdit);
 147     lineEditCompleter->setModel(completerModel);
 148     lineEditCompleter->setCaseSensitivity(Qt::CaseInsensitive);
 149     lineEditCompleter->setCompletionMode(QCompleter::InlineCompletion);
 150     searchWordLineEdit->setCompleter(lineEditCompleter);
 151
 152
 153     #ifndef Q_WS_MAEMO_5
 154         searchWordLineEdit->setMinimumHeight(
 155                 searchWordLineEdit->sizeHint().height()*3/2);
 156     #endif
 157
 158
 159     //create layout for lineEdit to have clear button on it
 160     QHBoxLayout* lineEditLayout = new QHBoxLayout;
 161     searchWordLineEdit->setLayout(lineEditLayout);
 162
 163
 164     clearSearchWordToolButton = new QToolButton;
 165     #ifdef Q_WS_MAEMO_5
 166         clearSearchWordToolButton->setIcon(QIcon::fromTheme("general_stop"));
 167         clearSearchWordToolButton->setMaximumSize(
 168                 clearSearchWordToolButton->sizeHint().height()/2,
 169                 clearSearchWordToolButton->sizeHint().height()/2);
 170         lineEditLayout->setContentsMargins(0,0,15,0);
 171     #else
 172         clearSearchWordToolButton->setIcon(QIcon::fromTheme("edit-clear"));
 173         clearSearchWordToolButton->setMinimumSize(
 174                 searchWordLineEdit->sizeHint().height()*1.2,
 175                 searchWordLineEdit->sizeHint().height()*1.2);
 176         lineEditLayout->setContentsMargins(0,0,5,0);
 177     #endif
 178
 179
 180     historyNextToolButton = new QToolButton;
 181     #ifdef Q_WS_MAEMO_5
 182         historyNextToolButton->setIcon(
 183                 generateIcon(QIcon::fromTheme("general_forward")));
 184     #else
 185         historyNextToolButton->setIcon(
 186                 generateIcon(QIcon::fromTheme("go-next")));
 187     #endif
 188
 189
 190
 191     historyPrevToolButton = new QToolButton;
 192     #ifdef Q_WS_MAEMO_5
 193         historyPrevToolButton->setIcon(
 194                 generateIcon(QIcon::fromTheme("general_back")));
 195     #else
 196         historyPrevToolButton->setIcon(
 197                 generateIcon(QIcon::fromTheme("go-previous")));
 198     #endif
 199
 200
 201
 202     historyShowToolButton = new QToolButton;
 203     #ifdef Q_WS_MAEMO_5
 204         historyShowToolButton->setIcon(
 205                 generateIcon(QIcon::fromTheme("general_back"), 90));
 206     #else
 207         historyShowToolButton->setIcon(
 208                 generateIcon(QIcon::fromTheme("go-up")));
 209     #endif
 210
 211     searchingProgressBar = new QProgressBar;
 212     //progress bar has minimum and maximum values set to 0, which will effect
 213     //with "I'm alive" bar
 214     searchingProgressBar->setMinimum(0);
 215     searchingProgressBar->setMaximum(0);
 216     #ifdef Q_WS_MAEMO_5
 217         searchingProgressBar->setMaximumHeight(50);
 218     #endif
 219     searchingProgressBar->hide();
 220
 221
 222     setLayout(verticalLayout);
 223
 224     verticalLayout->addWidget(searchingProgressBar);
 225
 226     //adding widgets to layout
 227     horizontalLayout->addWidget(searchWordLineEdit);
 228     horizontalLayout->addWidget(searchPushButton);
 229     horizontalLayout->addWidget(historyPrevToolButton);
 230     horizontalLayout->addWidget(historyShowToolButton);
 231     horizontalLayout->addWidget(historyNextToolButton);
 232
 233     //adding clear toolButton to textEdit with right alignment
 234     lineEditLayout->addWidget(clearSearchWordToolButton, 0, Qt::AlignRight);
 235
 236
 237     verticalLayout->addLayout(horizontalLayout);
 238 }
 239
 240
 241 void SearchBarWidget::searchPushButtonClicked() {
 242     if(busy) {
 243         Q_EMIT stopSearching();
 244     }
 245     else {
 246         search(searchWordLineEdit->text());
 247     }
 248 }
 249
 250
 251 void SearchBarWidget::search(QString word) {
 252     if(!busy && !word.isEmpty()) {
 253         completerModel->insertRow(completerModel->rowCount());
 254         QModelIndex index =
 255                 completerModel->index(completerModel->rowCount() -1);
 256
 257         completerModel->setData(index, word);
 258
 259
 260         searchWordLineEdit->setText(word);
 261         Q_EMIT searchForTranslations(word);
 262     }
 263 }
 264
 265 void SearchBarWidget::searchDelay(QString word) {
 266     if(!busy && !word.isEmpty()) {
 267         searchWordLineEdit->setText(word);
 268
 269
 270         if(delayTimer.isActive()) {
 271             delayTimer.stop();
 272         }
 273
 274         delayString = word;
 275         delayTimer.start(500);
 276     }
 277 }
 278
 279 void SearchBarWidget::delaySearchTimeout() {
 280     delayTimer.stop();
 281     if(!busy) {
 282         Q_EMIT searchForTranslations(delayString);
 283     }
 284 }
 285
 286 void SearchBarWidget::setEnabled(bool enabled) {
 287     searchWordLineEdit->setEnabled(enabled);
 288
 289     if(!enabled) {
 290         historyPrevToolButton->setEnabled(false);
 291         historyNextToolButton->setEnabled(false);
 292         historyShowToolButton->setEnabled(false);
 293     }
 294 }
 295
 296 void SearchBarWidget::setBusy() {
 297     if(busy) return;
 298     searchingProgressBar->show();
 299     searchPushButton->setText(tr("Stop"));
 300     setEnabled(false);
 301     busy = true;
 302 }
 303
 304 void SearchBarWidget::setIdle() {
 305     if(!busy) return;
 306     searchingProgressBar->hide();
 307     searchPushButton->setText(tr("Search"));
 308     setEnabled(true);
 309     busy = false;
 310     Q_EMIT refreshHistoryButtons();
 311 }
 312
 313
 314 void SearchBarWidget::clearSearchWordToolButtonClicked() {
 315     searchWordLineEdit->clear();
 316 }
 317
 318
 319
 320 void SearchBarWidget::updateHistoryButtons(bool prev, bool next, bool list) {
 321     if(!busy) {
 322         historyPrevToolButton->setEnabled(prev);
 323         historyNextToolButton->setEnabled(next);
 324         historyShowToolButton->setEnabled(list);
 325     }
 326 }
 327
 328 void SearchBarWidget::showHistoryButtonClicked() {
 329     #ifdef Q_WS_MAEMO_5
 330         emit historyShow();
 331     #else
 332         QPoint p = historyShowToolButton->pos();
 333         p.setY(p.y());
 334         emit historyShow(mapToGlobal(p));
 335     #endif
 336 }