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     QIcon newIcon;
  86     newIcon.addPixmap(p);
  87
  88     QPainter painter(&p);
  89     painter.fillRect(p.rect(), QColor(0,0,0,192));
  90
  91     newIcon.addPixmap(p, QIcon::Disabled, QIcon::Off);
  92
  93     return newIcon;
  94 }
  95
  96
  97 void SearchBarWidget::initializeUI() {
  98     horizontalLayout = new QHBoxLayout();
  99     verticalLayout = new QVBoxLayout();
 100
 101
 102     searchPushButton = new QPushButton(tr("Search"));
 103     searchPushButton->setMinimumWidth(150);
 104
 105
 106     searchWordLineEdit = new QLineEdit();
 107     searchWordLineEdit->setMinimumWidth(300);
 108
 109
 110
 111     //create layout for lineEdit to have clear button on it
 112     QHBoxLayout* lineEditLayout = new QHBoxLayout;
 113     searchWordLineEdit->setLayout(lineEditLayout);
 114
 115
 116     clearSearchWordToolButton = new QToolButton();
 117     clearSearchWordToolButton->setIcon(QIcon::fromTheme("general_stop"));
 118     //tool buttons will have size 2 times smaller
 119     clearSearchWordToolButton->setMaximumSize(
 120             clearSearchWordToolButton->sizeHint().width()/2,
 121             clearSearchWordToolButton->sizeHint().height()/2);
 122
 123
 124     historyNextToolButton = new QToolButton();
 125     historyNextToolButton->setIcon(
 126             generateIcon(QIcon::fromTheme("general_forward")));
 127
 128     historyPrevToolButton = new QToolButton();
 129     historyPrevToolButton->setIcon(
 130             generateIcon(QIcon::fromTheme("general_back")));
 131
 132     historyShowToolButton = new QToolButton();
 133     historyShowToolButton->setIcon(
 134             generateIcon(QIcon::fromTheme("general_back"), 90));
 135
 136
 137
 138     searchingProgressBar = new QProgressBar();
 139     //progress bar have minimum and maximum values set to 0, which will effect
 140     //with "I'm alive" bar
 141     searchingProgressBar->setMinimum(0);
 142     searchingProgressBar->setMaximum(0);
 143     searchingProgressBar->hide();
 144     searchingProgressBar->setMaximumHeight(50);
 145
 146
 147     setLayout(verticalLayout);
 148
 149     verticalLayout->addWidget(searchingProgressBar);
 150
 151     //adding widgets to layout
 152     horizontalLayout->addWidget(searchWordLineEdit);
 153     horizontalLayout->addWidget(searchPushButton);
 154     horizontalLayout->addWidget(historyPrevToolButton);
 155     horizontalLayout->addWidget(historyShowToolButton);
 156     horizontalLayout->addWidget(historyNextToolButton);
 157
 158     //adding clear toolButton to textEdit with right alignment
 159     lineEditLayout->addWidget(clearSearchWordToolButton, 0,
 160                               Qt::AlignRight | Qt::AlignVCenter);
 161
 162     verticalLayout->addLayout(horizontalLayout);
 163 }
 164
 165
 166 void SearchBarWidget::searchPushButtonClicked() {
 167     if(_isSearching) {
 168         emit stopSearching();
 169     }
 170     else {
 171         search(searchWordLineEdit->text());
 172     }
 173 }
 174
 175
 176 void SearchBarWidget::search(QString word) {
 177     if(!_isSearching && !word.isEmpty()) {
 178         searchWordLineEdit->setText(word);
 179         emit searchForTranslations(word);
 180     }
 181 }
 182
 183 void SearchBarWidget::searchDelay(QString word) {
 184     if(!_isSearching && !word.isEmpty()) {
 185         searchWordLineEdit->setText(word);
 186
 187
 188         if(delayTimer.isActive()) {
 189             delayTimer.stop();
 190         }
 191
 192         delayString = word;
 193         delayTimer.start(500);
 194     }
 195 }
 196
 197 void SearchBarWidget::delaySearchTimeout() {
 198     delayTimer.stop();
 199     if(!_isSearching) {
 200         emit searchForTranslations(delayString);
 201     }
 202 }
 203
 204 void SearchBarWidget::setEnabled(bool enabled) {
 205     searchWordLineEdit->setEnabled(enabled);
 206
 207     if(!enabled) {
 208         historyPrevToolButton->setEnabled(false);
 209         historyNextToolButton->setEnabled(false);
 210         historyShowToolButton->setEnabled(false);
 211     }
 212 }
 213
 214 void SearchBarWidget::setBusy() {
 215     if(_isSearching) return;
 216     searchingProgressBar->show();
 217     searchPushButton->setText(tr("Stop"));
 218     setEnabled(false);
 219     _isSearching = true;
 220 }
 221
 222 void SearchBarWidget::setIdle() {
 223     if(!_isSearching) return;
 224     searchingProgressBar->hide();
 225     searchPushButton->setText(tr("Search"));
 226     setEnabled(true);
 227     _isSearching = false;
 228     emit refreshHistoryButtons();
 229 }
 230
 231
 232 void SearchBarWidget::clearSearchWordToolButtonClicked() {
 233     searchWordLineEdit->clear();
 234 }
 235
 236
 237
 238 void SearchBarWidget::updateHistoryButtons(bool prev, bool next, bool list) {
 239     if(!_isSearching) {
 240         historyPrevToolButton->setEnabled(prev);
 241         historyNextToolButton->setEnabled(next);
 242         historyShowToolButton->setEnabled(list);
 243     }
 244 }