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     setMaximumHeight(150);
  37
  38     _isSearching = 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, SIGNAL(historyShow()));
  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     setEnabled(true);
  69 }
  70
  71 SearchBarWidget::~SearchBarWidget() {
  72
  73 }
  74
  75 QIcon SearchBarWidget::generateIcon(QIcon oryginal, qreal rotation) {
  76     QPixmap p = oryginal.pixmap(64);
  77
  78     if(rotation != 0) {
  79         QMatrix m;
  80         m.rotate(rotation);
  81
  82         p = p.transformed(m);
  83     }
  84
  85
  86     QIcon newIcon;
  87     newIcon.addPixmap(p);
  88
  89     #ifdef Q_WS_MAEMO_5
  90         QPainter painter(&p);
  91         painter.fillRect(p.rect(), QColor(0,0,0,192));
  92
  93         newIcon.addPixmap(p, QIcon::Disabled, QIcon::Off);
  94     #endif
  95
  96     return newIcon;
  97 }
  98
  99
 100 void SearchBarWidget::initializeUI() {
 101     horizontalLayout = new QHBoxLayout();
 102     verticalLayout = new QVBoxLayout();
 103
 104
 105     searchPushButton = new QPushButton(tr("Search"));
 106     searchPushButton->setMinimumWidth(150);
 107     #ifndef Q_WS_MAEMO_5
 108         searchPushButton->setMinimumHeight(
 109                 searchPushButton->sizeHint().height()*2);
 110     #endif
 111
 112     searchWordLineEdit = new QLineEdit();
 113     searchWordLineEdit->setMinimumWidth(300);
 114
 115     #ifndef Q_WS_MAEMO_5
 116         searchWordLineEdit->setMinimumHeight(
 117                 searchWordLineEdit->sizeHint().height()*2);
 118     #endif
 119
 120
 121
 122     //create layout for lineEdit to have clear button on it
 123     QHBoxLayout* lineEditLayout = new QHBoxLayout;
 124     searchWordLineEdit->setLayout(lineEditLayout);
 125
 126
 127     clearSearchWordToolButton = new QToolButton();
 128
 129     #ifdef Q_WS_MAEMO_5
 130         clearSearchWordToolButton->setIcon(QIcon::fromTheme("general_stop"));
 131         //tool buttons will have size 2 times smaller
 132         clearSearchWordToolButton->setMaximumSize(
 133                 clearSearchWordToolButton->sizeHint().height()/2,
 134                 clearSearchWordToolButton->sizeHint().height()/2);
 135     #else
 136         clearSearchWordToolButton->setIcon(QIcon::fromTheme("edit-clear"));
 137         clearSearchWordToolButton->setMinimumSize(
 138                 clearSearchWordToolButton->sizeHint().height(),
 139                 clearSearchWordToolButton->sizeHint().height());
 140     #endif
 141
 142
 143     historyNextToolButton = new QToolButton();
 144     #ifdef Q_WS_MAEMO_5
 145         historyNextToolButton->setIcon(
 146                 generateIcon(QIcon::fromTheme("general_forward")));
 147     #else
 148         historyNextToolButton->setIcon(
 149                 generateIcon(QIcon::fromTheme("go-next")));
 150         historyNextToolButton->setMinimumSize(
 151                 clearSearchWordToolButton->sizeHint().height()*2,
 152                 clearSearchWordToolButton->sizeHint().height()*2);
 153     #endif
 154
 155     historyPrevToolButton = new QToolButton();
 156     #ifdef Q_WS_MAEMO_5
 157         historyPrevToolButton->setIcon(
 158                 generateIcon(QIcon::fromTheme("general_back")));
 159     #else
 160         historyPrevToolButton->setIcon(
 161                 generateIcon(QIcon::fromTheme("go-previous")));
 162         historyPrevToolButton->setMinimumSize(
 163                 clearSearchWordToolButton->sizeHint().height()*2,
 164                 clearSearchWordToolButton->sizeHint().height()*2);
 165     #endif
 166
 167     historyShowToolButton = new QToolButton();
 168     #ifdef Q_WS_MAEMO_5
 169         historyShowToolButton->setIcon(
 170                 generateIcon(QIcon::fromTheme("general_back"), 90));
 171     #else
 172         historyShowToolButton->setIcon(
 173                 generateIcon(QIcon::fromTheme("go-up")));
 174         historyShowToolButton->setMinimumSize(
 175                 clearSearchWordToolButton->sizeHint().height()*2,
 176                 clearSearchWordToolButton->sizeHint().height()*2);
 177     #endif
 178
 179
 180     searchingProgressBar = new QProgressBar();
 181     //progress bar have minimum and maximum values set to 0, which will effect
 182     //with "I'm alive" bar
 183     searchingProgressBar->setMinimum(0);
 184     searchingProgressBar->setMaximum(0);
 185     searchingProgressBar->hide();
 186     searchingProgressBar->setMaximumHeight(50);
 187
 188
 189     setLayout(verticalLayout);
 190
 191     verticalLayout->addWidget(searchingProgressBar);
 192
 193     //adding widgets to layout
 194     horizontalLayout->addWidget(searchWordLineEdit);
 195     horizontalLayout->addWidget(searchPushButton);
 196     horizontalLayout->addWidget(historyPrevToolButton);
 197     horizontalLayout->addWidget(historyShowToolButton);
 198     horizontalLayout->addWidget(historyNextToolButton);
 199
 200     //adding clear toolButton to textEdit with right alignment
 201     lineEditLayout->addWidget(clearSearchWordToolButton, 0,
 202                               Qt::AlignRight | Qt::AlignVCenter);
 203
 204     verticalLayout->addLayout(horizontalLayout);
 205 }
 206
 207
 208 void SearchBarWidget::searchPushButtonClicked() {
 209     if(_isSearching) {
 210         emit stopSearching();
 211     }
 212     else {
 213         search(searchWordLineEdit->text());
 214     }
 215 }
 216
 217
 218 void SearchBarWidget::search(QString word) {
 219     if(!_isSearching && !word.isEmpty()) {
 220         searchWordLineEdit->setText(word);
 221         emit searchForTranslations(word);
 222     }
 223 }
 224
 225 void SearchBarWidget::searchDelay(QString word) {
 226     if(!_isSearching && !word.isEmpty()) {
 227         searchWordLineEdit->setText(word);
 228
 229
 230         if(delayTimer.isActive()) {
 231             delayTimer.stop();
 232         }
 233
 234         delayString = word;
 235         delayTimer.start(500);
 236     }
 237 }
 238
 239 void SearchBarWidget::delaySearchTimeout() {
 240     delayTimer.stop();
 241     if(!_isSearching) {
 242         emit searchForTranslations(delayString);
 243     }
 244 }
 245
 246 void SearchBarWidget::setEnabled(bool enabled) {
 247     searchWordLineEdit->setEnabled(enabled);
 248
 249     if(!enabled) {
 250         historyPrevToolButton->setEnabled(false);
 251         historyNextToolButton->setEnabled(false);
 252         historyShowToolButton->setEnabled(false);
 253     }
 254 }
 255
 256 void SearchBarWidget::setBusy() {
 257     if(_isSearching) return;
 258     searchingProgressBar->show();
 259     searchPushButton->setText(tr("Stop"));
 260     setEnabled(false);
 261     _isSearching = true;
 262 }
 263
 264 void SearchBarWidget::setIdle() {
 265     if(!_isSearching) return;
 266     searchingProgressBar->hide();
 267     searchPushButton->setText(tr("Search"));
 268     setEnabled(true);
 269     _isSearching = false;
 270     emit refreshHistoryButtons();
 271 }
 272
 273
 274 void SearchBarWidget::clearSearchWordToolButtonClicked() {
 275     searchWordLineEdit->clear();
 276 }
 277
 278
 279
 280 void SearchBarWidget::updateHistoryButtons(bool prev, bool next, bool list) {
 281     if(!_isSearching) {
 282         historyPrevToolButton->setEnabled(prev);
 283         historyNextToolButton->setEnabled(next);
 284         historyShowToolButton->setEnabled(list);
 285     }
 286 }