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     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     searchWordLineEdit->setFocus();
  60
  61     historyPrevToolButton->setEnabled(false);
  62     historyNextToolButton->setEnabled(false);
  63     historyShowToolButton->setEnabled(false);
  64     setEnabled(true);
  65 }
  66
  67 SearchBarWidget::~SearchBarWidget() {
  68
  69 }
  70
  71 QIcon SearchBarWidget::generateIcon(QIcon oryginal, qreal rotation) {
  72     QPixmap p = oryginal.pixmap(64);
  73
  74     if(rotation != 0) {
  75         QMatrix m;
  76         m.rotate(rotation);
  77
  78         p = p.transformed(m);
  79     }
  80
  81     QIcon newIcon;
  82     newIcon.addPixmap(p);
  83
  84     QPainter painter(&p);
  85     painter.fillRect(p.rect(), QColor(0,0,0,192));
  86
  87     newIcon.addPixmap(p, QIcon::Disabled, QIcon::Off);
  88
  89     return newIcon;
  90 }
  91
  92
  93 void SearchBarWidget::initializeUI() {
  94     horizontalLayout = new QHBoxLayout();
  95     verticalLayout = new QVBoxLayout();
  96
  97
  98     searchPushButton = new QPushButton(tr("Search"));
  99     searchPushButton->setMinimumWidth(150);
 100
 101
 102     searchWordLineEdit = new QLineEdit();
 103     searchWordLineEdit->setMinimumWidth(300);
 104
 105
 106
 107     //create layout for lineEdit to have clear button on it
 108     QHBoxLayout* lineEditLayout = new QHBoxLayout;
 109     searchWordLineEdit->setLayout(lineEditLayout);
 110
 111
 112     clearSearchWordToolButton = new QToolButton();
 113     clearSearchWordToolButton->setIcon(QIcon::fromTheme("general_stop"));
 114     //tool buttons will have size 2 times smaller
 115     clearSearchWordToolButton->setMaximumSize(
 116             clearSearchWordToolButton->sizeHint().width()/2,
 117             clearSearchWordToolButton->sizeHint().height()/2);
 118
 119
 120     historyNextToolButton = new QToolButton();
 121     historyNextToolButton->setIcon(
 122             generateIcon(QIcon::fromTheme("general_forward")));
 123
 124     historyPrevToolButton = new QToolButton();
 125     historyPrevToolButton->setIcon(
 126             generateIcon(QIcon::fromTheme("general_back")));
 127
 128     historyShowToolButton = new QToolButton();
 129     historyShowToolButton->setIcon(
 130             generateIcon(QIcon::fromTheme("general_back"), 90));
 131
 132
 133
 134     searchingProgressBar = new QProgressBar();
 135     //progress bar have minimum and maximum values set to 0, which will effect
 136     //with "I'm alive" bar
 137     searchingProgressBar->setMinimum(0);
 138     searchingProgressBar->setMaximum(0);
 139     searchingProgressBar->hide();
 140     searchingProgressBar->setMaximumHeight(50);
 141
 142
 143     setLayout(verticalLayout);
 144
 145     verticalLayout->addWidget(searchingProgressBar);
 146
 147     //adding widgets to layout
 148     horizontalLayout->addWidget(searchWordLineEdit);
 149     horizontalLayout->addWidget(searchPushButton);
 150     horizontalLayout->addWidget(historyPrevToolButton);
 151     horizontalLayout->addWidget(historyShowToolButton);
 152     horizontalLayout->addWidget(historyNextToolButton);
 153
 154     //adding clear toolButton to textEdit with right alignment
 155     lineEditLayout->addWidget(clearSearchWordToolButton, 0,
 156                               Qt::AlignRight | Qt::AlignVCenter);
 157
 158     verticalLayout->addLayout(horizontalLayout);
 159 }
 160
 161
 162 void SearchBarWidget::searchPushButtonClicked() {
 163     if(_isSearching) {
 164         emit stopSearching();
 165     }
 166     else {
 167         search(searchWordLineEdit->text());
 168     }
 169 }
 170
 171
 172 void SearchBarWidget::search(QString word) {
 173     if(!_isSearching && !word.isEmpty()) {
 174         searchWordLineEdit->setText(word);
 175         emit searchForTranslations(word);
 176     }
 177 }
 178
 179 void SearchBarWidget::setEnabled(bool enabled) {
 180     searchWordLineEdit->setEnabled(enabled);
 181
 182     if(!enabled) {
 183         historyPrevToolButton->setEnabled(false);
 184         historyNextToolButton->setEnabled(false);
 185         historyShowToolButton->setEnabled(false);
 186     }
 187 }
 188
 189 void SearchBarWidget::setBusy() {
 190     if(_isSearching) return;
 191     searchingProgressBar->show();
 192     searchPushButton->setText(tr("Stop"));
 193     setEnabled(false);
 194     _isSearching = true;
 195 }
 196
 197 void SearchBarWidget::setIdle() {
 198     if(!_isSearching) return;
 199     searchingProgressBar->hide();
 200     searchPushButton->setText(tr("Search"));
 201     setEnabled(true);
 202     _isSearching = false;
 203     emit refreshHistoryButtons();
 204 }
 205
 206
 207 void SearchBarWidget::clearSearchWordToolButtonClicked() {
 208     searchWordLineEdit->clear();
 209 }
 210
 211
 212
 213 void SearchBarWidget::updateHistoryButtons(bool prev, bool next, bool list) {
 214     if(!_isSearching) {
 215         historyPrevToolButton->setEnabled(prev);
 216         historyNextToolButton->setEnabled(next);
 217         historyShowToolButton->setEnabled(list);
 218     }
 219 }