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 //! \author Mateusz Półrola <mateusz.polrola@comarch.pl>
  24
  25
  26 #include "SearchBarWidget.h"
  27 #include <QDebug>
  28 #include "../../common/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 oryginal, qreal rotation) {
  77     QPixmap p = oryginal.pixmap(64);
  78
  79     if(rotation != 0) {
  80         QMatrix m;
  81         m.rotate(rotation);
  82
  83         p = p.transformed(m);
  84     }
  85
  86     QIcon newIcon;
  87     newIcon.addPixmap(p);
  88
  89
  90     #ifdef Q_WS_MAEMO_5
  91         QPainter painter(&p);
  92         painter.fillRect(p.rect(), QColor(0,0,0,192));
  93
  94         newIcon.addPixmap(p, QIcon::Disabled, QIcon::Off);
  95     #endif
  96
  97     return newIcon;
  98 }
  99
 100
 101 void SearchBarWidget::initializeUI() {
 102
 103     #ifdef Q_WS_MAEMO_5
 104         setMaximumHeight(150);
 105     #else
 106         setMaximumHeight(100);
 107     #endif
 108
 109
 110     horizontalLayout = new QHBoxLayout;
 111     verticalLayout = new QVBoxLayout;
 112
 113
 114     searchPushButton = new QPushButton(tr("Search"));
 115     searchPushButton->setMinimumWidth(125);
 116
 117
 118     searchWordLineEdit = new QLineEdit;
 119     searchWordLineEdit->setMinimumWidth(250);
 120
 121
 122
 123     completerModel = new QStringListModel;
 124
 125
 126     lineEditCompleter = new QCompleter(searchWordLineEdit);
 127     lineEditCompleter->setModel(completerModel);
 128     lineEditCompleter->setCaseSensitivity(Qt::CaseInsensitive);
 129     lineEditCompleter->setCompletionMode(QCompleter::InlineCompletion);
 130     searchWordLineEdit->setCompleter(lineEditCompleter);
 131
 132
 133     #ifndef Q_WS_MAEMO_5
 134         searchWordLineEdit->setMinimumHeight(
 135                 searchWordLineEdit->sizeHint().height()*3/2);
 136     #endif
 137
 138
 139     //create layout for lineEdit to have clear button on it
 140     QHBoxLayout* lineEditLayout = new QHBoxLayout;
 141     searchWordLineEdit->setLayout(lineEditLayout);
 142
 143
 144     clearSearchWordToolButton = new QToolButton;
 145     #ifdef Q_WS_MAEMO_5
 146         clearSearchWordToolButton->setIcon(QIcon::fromTheme("general_stop"));
 147         clearSearchWordToolButton->setMaximumSize(
 148                 clearSearchWordToolButton->sizeHint().height()/2,
 149                 clearSearchWordToolButton->sizeHint().height()/2);
 150         lineEditLayout->setContentsMargins(0,0,10,0);
 151     #else
 152         clearSearchWordToolButton->setIcon(QIcon::fromTheme("edit-clear"));
 153         clearSearchWordToolButton->setMinimumSize(
 154                 searchWordLineEdit->sizeHint().height()*1.2,
 155                 searchWordLineEdit->sizeHint().height()*1.2);
 156         lineEditLayout->setContentsMargins(0,0,5,0);
 157     #endif
 158
 159
 160     historyNextToolButton = new QToolButton;
 161     #ifdef Q_WS_MAEMO_5
 162         historyNextToolButton->setIcon(
 163                 generateIcon(QIcon::fromTheme("general_forward")));
 164     #else
 165         historyNextToolButton->setIcon(
 166                 generateIcon(QIcon::fromTheme("go-next")));
 167     #endif
 168
 169
 170
 171     historyPrevToolButton = new QToolButton;
 172     #ifdef Q_WS_MAEMO_5
 173         historyPrevToolButton->setIcon(
 174                 generateIcon(QIcon::fromTheme("general_back")));
 175     #else
 176         historyPrevToolButton->setIcon(
 177                 generateIcon(QIcon::fromTheme("go-previous")));
 178     #endif
 179
 180
 181
 182     historyShowToolButton = new QToolButton;
 183     #ifdef Q_WS_MAEMO_5
 184         historyShowToolButton->setIcon(
 185                 generateIcon(QIcon::fromTheme("general_back"), 90));
 186     #else
 187         historyShowToolButton->setIcon(
 188                 generateIcon(QIcon::fromTheme("go-up")));
 189     #endif
 190
 191     searchingProgressBar = new QProgressBar;
 192     //progress bar have minimum and maximum values set to 0, which will effect
 193     //with "I'm alive" bar
 194     searchingProgressBar->setMinimum(0);
 195     searchingProgressBar->setMaximum(0);
 196     #ifdef Q_WS_MAEMO_5
 197         searchingProgressBar->setMaximumHeight(50);
 198     #endif
 199     searchingProgressBar->hide();
 200
 201
 202     setLayout(verticalLayout);
 203
 204     verticalLayout->addWidget(searchingProgressBar);
 205
 206     //adding widgets to layout
 207     horizontalLayout->addWidget(searchWordLineEdit);
 208     horizontalLayout->addWidget(searchPushButton);
 209     horizontalLayout->addWidget(historyPrevToolButton);
 210     horizontalLayout->addWidget(historyShowToolButton);
 211     horizontalLayout->addWidget(historyNextToolButton);
 212
 213     //adding clear toolButton to textEdit with right alignment
 214     lineEditLayout->addWidget(clearSearchWordToolButton, 0, Qt::AlignRight);
 215
 216
 217     verticalLayout->addLayout(horizontalLayout);
 218 }
 219
 220
 221 void SearchBarWidget::searchPushButtonClicked() {
 222     if(busy) {
 223         Q_EMIT stopSearching();
 224     }
 225     else {
 226         search(searchWordLineEdit->text());
 227     }
 228 }
 229
 230
 231 void SearchBarWidget::search(QString word) {
 232     if(!busy && !word.isEmpty()) {
 233         completerModel->insertRow(completerModel->rowCount());
 234         QModelIndex index =
 235                 completerModel->index(completerModel->rowCount() -1);
 236
 237         completerModel->setData(index, word);
 238
 239
 240         searchWordLineEdit->setText(word);
 241         Q_EMIT searchForTranslations(word);
 242     }
 243 }
 244
 245 void SearchBarWidget::searchDelay(QString word) {
 246     if(!busy && !word.isEmpty()) {
 247         searchWordLineEdit->setText(word);
 248
 249
 250         if(delayTimer.isActive()) {
 251             delayTimer.stop();
 252         }
 253
 254         delayString = word;
 255         delayTimer.start(500);
 256     }
 257 }
 258
 259 void SearchBarWidget::delaySearchTimeout() {
 260     delayTimer.stop();
 261     if(!busy) {
 262         Q_EMIT searchForTranslations(delayString);
 263     }
 264 }
 265
 266 void SearchBarWidget::setEnabled(bool enabled) {
 267     searchWordLineEdit->setEnabled(enabled);
 268
 269     if(!enabled) {
 270         historyPrevToolButton->setEnabled(false);
 271         historyNextToolButton->setEnabled(false);
 272         historyShowToolButton->setEnabled(false);
 273     }
 274 }
 275
 276 void SearchBarWidget::setBusy() {
 277     if(busy) return;
 278     searchingProgressBar->show();
 279     searchPushButton->setText(tr("Stop"));
 280     setEnabled(false);
 281     busy = true;
 282 }
 283
 284 void SearchBarWidget::setIdle() {
 285     if(!busy) return;
 286     searchingProgressBar->hide();
 287     searchPushButton->setText(tr("Search"));
 288     setEnabled(true);
 289     busy = false;
 290     Q_EMIT refreshHistoryButtons();
 291 }
 292
 293
 294 void SearchBarWidget::clearSearchWordToolButtonClicked() {
 295     searchWordLineEdit->clear();
 296 }
 297
 298
 299
 300 void SearchBarWidget::updateHistoryButtons(bool prev, bool next, bool list) {
 301     if(!busy) {
 302         historyPrevToolButton->setEnabled(prev);
 303         historyNextToolButton->setEnabled(next);
 304         historyShowToolButton->setEnabled(list);
 305     }
 306 }
 307
 308 void SearchBarWidget::showHistoryButtonClicked() {
 309     #ifdef Q_WS_MAEMO_5
 310         emit historyShow();
 311     #else
 312         QPoint p = historyShowToolButton->pos();
 313         p.setY(p.y());
 314         emit historyShow(mapToGlobal(p));
 315     #endif
 316 }