git.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
  37     _isSearching = false;
  38
  39     connect(searchPushButton, SIGNAL(clicked()),
  40             this, SLOT(searchPushButtonClicked()));
  41
  42     connect(searchWordLineEdit, SIGNAL(returnPressed()),
  43             this, SLOT(searchPushButtonClicked()));
  44
  45     connect(historyNextToolButton, SIGNAL(clicked()),
  46             this, SIGNAL(historyNext()));
  47
  48     connect(historyPrevToolButton, SIGNAL(clicked()),
  49             this, SIGNAL(historyPrev()));
  50
  51     connect(historyShowToolButton, SIGNAL(clicked()),
  52             this, SIGNAL(historyShow()));
  53
  54     connect(clearSearchWordToolButton, SIGNAL(clicked()),
  55             this, SLOT(clearSearchWordToolButtonClicked()));
  56
  57
  58     connect(&delayTimer, SIGNAL(timeout()),
  59             this, SLOT(delaySearchTimeout()));
  60
  61
  62     searchWordLineEdit->setFocus();
  63
  64     historyPrevToolButton->setEnabled(false);
  65     historyNextToolButton->setEnabled(false);
  66     historyShowToolButton->setEnabled(false);
  67     setEnabled(true);
  68 }
  69
  70 SearchBarWidget::~SearchBarWidget() {
  71
  72 }
  73
  74 QIcon SearchBarWidget::generateIcon(QIcon oryginal, qreal rotation) {
  75     QPixmap p = oryginal.pixmap(64);
  76
  77     if(rotation != 0) {
  78         QMatrix m;
  79         m.rotate(rotation);
  80
  81         p = p.transformed(m);
  82     }
  83
  84
  85     QIcon newIcon;
  86     newIcon.addPixmap(p);
  87
  88     #ifdef Q_WS_MAEMO_5
  89         QPainter painter(&p);
  90         painter.fillRect(p.rect(), QColor(0,0,0,192));
  91
  92         newIcon.addPixmap(p, QIcon::Disabled, QIcon::Off);
  93     #endif
  94
  95     return newIcon;
  96 }
  97
  98
  99 void SearchBarWidget::initializeUI() {
 100
 101     #ifdef Q_WS_MAEMO_5
 102         setMaximumHeight(150);
 103     #else
 104         setMaximumHeight(100);
 105     #endif
 106
 107
 108     horizontalLayout = new QHBoxLayout();
 109     verticalLayout = new QVBoxLayout();
 110
 111
 112     searchPushButton = new QPushButton(tr("Search"));
 113     searchPushButton->setMinimumWidth(150);
 114     #ifndef Q_WS_MAEMO_5
 115         searchPushButton->setMinimumHeight(
 116                 searchPushButton->sizeHint().height()*2);
 117     #endif
 118
 119     searchWordLineEdit = new QLineEdit();
 120     searchWordLineEdit->setMinimumWidth(300);
 121
 122     #ifndef Q_WS_MAEMO_5
 123         searchWordLineEdit->setMinimumHeight(
 124                 searchWordLineEdit->sizeHint().height()*2);
 125     #endif
 126
 127
 128     //create layout for lineEdit to have clear button on it
 129     QHBoxLayout* lineEditLayout = new QHBoxLayout;
 130     searchWordLineEdit->setLayout(lineEditLayout);
 131
 132
 133     clearSearchWordToolButton = new QToolButton();
 134     #ifdef Q_WS_MAEMO_5
 135         clearSearchWordToolButton->setIcon(QIcon::fromTheme("general_stop"));
 136         //tool buttons will have size 2 times smaller
 137         clearSearchWordToolButton->setMaximumSize(
 138                 clearSearchWordToolButton->sizeHint().height()/2,
 139                 clearSearchWordToolButton->sizeHint().height()/2);
 140     #else
 141         clearSearchWordToolButton->setIcon(QIcon::fromTheme("edit-clear"));
 142         clearSearchWordToolButton->setMinimumSize(
 143                 clearSearchWordToolButton->sizeHint().height(),
 144                 clearSearchWordToolButton->sizeHint().height());
 145     #endif
 146
 147
 148     historyNextToolButton = new QToolButton();
 149     #ifdef Q_WS_MAEMO_5
 150         historyNextToolButton->setIcon(
 151                 generateIcon(QIcon::fromTheme("general_forward")));
 152     #else
 153         historyNextToolButton->setIcon(
 154                 generateIcon(QIcon::fromTheme("go-next")));
 155         historyNextToolButton->setMinimumSize(
 156                 clearSearchWordToolButton->sizeHint().height()*2,
 157                 clearSearchWordToolButton->sizeHint().height()*2);
 158     #endif
 159
 160
 161
 162     historyPrevToolButton = new QToolButton();
 163     #ifdef Q_WS_MAEMO_5
 164         historyPrevToolButton->setIcon(
 165                 generateIcon(QIcon::fromTheme("general_back")));
 166     #else
 167         historyPrevToolButton->setIcon(
 168                 generateIcon(QIcon::fromTheme("go-previous")));
 169         historyPrevToolButton->setMinimumSize(
 170                 clearSearchWordToolButton->sizeHint().height()*2,
 171                 clearSearchWordToolButton->sizeHint().height()*2);
 172     #endif
 173
 174
 175
 176     historyShowToolButton = new QToolButton();
 177     #ifdef Q_WS_MAEMO_5
 178         historyShowToolButton->setIcon(
 179                 generateIcon(QIcon::fromTheme("general_back"), 90));
 180     #else
 181         historyShowToolButton->setIcon(
 182                 generateIcon(QIcon::fromTheme("go-up")));
 183         historyShowToolButton->setMinimumSize(
 184                 clearSearchWordToolButton->sizeHint().height()*2,
 185                 clearSearchWordToolButton->sizeHint().height()*2);
 186     #endif
 187
 188
 189     searchingProgressBar = new QProgressBar();
 190     //progress bar have minimum and maximum values set to 0, which will effect
 191     //with "I'm alive" bar
 192     searchingProgressBar->setMinimum(0);
 193     searchingProgressBar->setMaximum(0);
 194     searchingProgressBar->hide();
 195     #ifdef Q_WS_MAEMO_5
 196         searchingProgressBar->setMaximumHeight(50);
 197     #endif
 198
 199
 200     setLayout(verticalLayout);
 201
 202     verticalLayout->addWidget(searchingProgressBar);
 203
 204     //adding widgets to layout
 205     horizontalLayout->addWidget(searchWordLineEdit);
 206     horizontalLayout->addWidget(searchPushButton);
 207     horizontalLayout->addWidget(historyPrevToolButton);
 208     horizontalLayout->addWidget(historyShowToolButton);
 209     horizontalLayout->addWidget(historyNextToolButton);
 210
 211     //adding clear toolButton to textEdit with right alignment
 212     lineEditLayout->addWidget(clearSearchWordToolButton, 0,
 213                               Qt::AlignRight | Qt::AlignVCenter);
 214
 215     verticalLayout->addLayout(horizontalLayout);
 216 }
 217
 218
 219 void SearchBarWidget::searchPushButtonClicked() {
 220     if(_isSearching) {
 221         emit stopSearching();
 222     }
 223     else {
 224         search(searchWordLineEdit->text());
 225     }
 226 }
 227
 228
 229 void SearchBarWidget::search(QString word) {
 230     if(!_isSearching && !word.isEmpty()) {
 231         searchWordLineEdit->setText(word);
 232         emit searchForTranslations(word);
 233     }
 234 }
 235
 236 void SearchBarWidget::searchDelay(QString word) {
 237     if(!_isSearching && !word.isEmpty()) {
 238         searchWordLineEdit->setText(word);
 239
 240
 241         if(delayTimer.isActive()) {
 242             delayTimer.stop();
 243         }
 244
 245         delayString = word;
 246         delayTimer.start(500);
 247     }
 248 }
 249
 250 void SearchBarWidget::delaySearchTimeout() {
 251     delayTimer.stop();
 252     if(!_isSearching) {
 253         emit searchForTranslations(delayString);
 254     }
 255 }
 256
 257 void SearchBarWidget::setEnabled(bool enabled) {
 258     searchWordLineEdit->setEnabled(enabled);
 259
 260     if(!enabled) {
 261         historyPrevToolButton->setEnabled(false);
 262         historyNextToolButton->setEnabled(false);
 263         historyShowToolButton->setEnabled(false);
 264     }
 265 }
 266
 267 void SearchBarWidget::setBusy() {
 268     if(_isSearching) return;
 269     searchingProgressBar->show();
 270     searchPushButton->setText(tr("Stop"));
 271     setEnabled(false);
 272     _isSearching = true;
 273 }
 274
 275 void SearchBarWidget::setIdle() {
 276     if(!_isSearching) return;
 277     searchingProgressBar->hide();
 278     searchPushButton->setText(tr("Search"));
 279     setEnabled(true);
 280     _isSearching = false;
 281     emit refreshHistoryButtons();
 282 }
 283
 284
 285 void SearchBarWidget::clearSearchWordToolButtonClicked() {
 286     searchWordLineEdit->clear();
 287 }
 288
 289
 290
 291 void SearchBarWidget::updateHistoryButtons(bool prev, bool next, bool list) {
 292     if(!_isSearching) {
 293         historyPrevToolButton->setEnabled(prev);
 294         historyNextToolButton->setEnabled(next);
 295         historyShowToolButton->setEnabled(list);
 296     }
 297 }