vcs.maemo.org Git - mdictionary/blob - src/mdictionary/gui/SearchBarWidget.cpp

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