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