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
  29
  30 SearchBarWidget::SearchBarWidget(Backbone* backbone, QWidget *parent) :
  31     QWidget(parent) {
  32
  33     this->backbone = backbone;
  34
  35     initializeUI();
  36
  37     setMaximumHeight(150);
  38
  39     _isSearching = false;
  40
  41     connect(searchPushButton, SIGNAL(clicked()),
  42             this, SLOT(searchPushButtonClicked()));
  43
  44     connect(searchWordLineEdit, SIGNAL(returnPressed()),
  45             this, SLOT(searchPushButtonClicked()));
  46
  47     connect(historyNextToolButton, SIGNAL(clicked()),
  48             this, SLOT(historyNextToolButtonClicked()));
  49
  50     connect(historyPrevToolButton, SIGNAL(clicked()),
  51             this, SLOT(historyPrevToolButtonClicked()));
  52
  53     connect(historyShowToolButton, SIGNAL(clicked()),
  54             this, SLOT(historyShowToolButtonClicked()));
  55
  56     connect(clearSearchWordToolButton, SIGNAL(clicked()),
  57             this, SLOT(clearSearchWordToolButtonClicked()));
  58
  59
  60     //connects request to backbone
  61     connect(this, SIGNAL(searchForTranslations(QString)),
  62             backbone, SLOT(search(QString)));
  63
  64     connect(this, SIGNAL(stopSearching()),
  65             backbone, SLOT(stopSearching()));
  66
  67     connect(backbone, SIGNAL(ready()),
  68             this, SLOT(setIdle()));
  69
  70     connect(backbone, SIGNAL(htmlReady()),
  71             this, SLOT(setIdle()));
  72
  73     searchWordLineEdit->setFocus();
  74 }
  75
  76 SearchBarWidget::~SearchBarWidget() {
  77
  78 }
  79
  80 QIcon SearchBarWidget::generateIcon(QIcon oryginal, qreal rotation) {
  81     QPixmap p = oryginal.pixmap(64);
  82
  83     if(rotation != 0) {
  84         QMatrix m;
  85         m.rotate(rotation);
  86
  87         p = p.transformed(m);
  88     }
  89
  90     QIcon newIcon;
  91     newIcon.addPixmap(p);
  92
  93     QPainter painter(&p);
  94     painter.fillRect(p.rect(), QColor(0,0,0,192));
  95
  96     newIcon.addPixmap(p, QIcon::Disabled, QIcon::Off);
  97
  98     return newIcon;
  99 }
 100
 101
 102 void SearchBarWidget::initializeUI() {
 103     horizontalLayout = new QHBoxLayout();
 104     verticalLayout = new QVBoxLayout();
 105
 106
 107     searchPushButton = new QPushButton(tr("Search"));
 108     searchPushButton->setMinimumWidth(150);
 109
 110
 111     searchWordLineEdit = new QLineEdit();
 112     searchWordLineEdit->setMinimumWidth(300);
 113     //create layout for lineEdit to have clear button on it
 114     QHBoxLayout* lineEditLayout = new QHBoxLayout;
 115     searchWordLineEdit->setLayout(lineEditLayout);
 116
 117
 118     clearSearchWordToolButton = new QToolButton();
 119     clearSearchWordToolButton->setIcon(QIcon::fromTheme("general_stop"));
 120     //tool buttons will have size 2 times smaller
 121     clearSearchWordToolButton->setMaximumSize(
 122             clearSearchWordToolButton->sizeHint().width()/2,
 123             clearSearchWordToolButton->sizeHint().height()/2);
 124
 125
 126     historyNextToolButton = new QToolButton();
 127     historyNextToolButton->setIcon(
 128             generateIcon(QIcon::fromTheme("general_forward")));
 129
 130     historyPrevToolButton = new QToolButton();
 131     historyPrevToolButton->setIcon(
 132             generateIcon(QIcon::fromTheme("general_back")));
 133
 134     historyShowToolButton = new QToolButton();
 135     historyShowToolButton->setIcon(
 136             generateIcon(QIcon::fromTheme("general_back"), 90));
 137
 138
 139
 140     searchingProgressBar = new QProgressBar();
 141     //progress bar have minimum and maximum values set to 0, which will effect
 142     //with "I'm alive" bar
 143     searchingProgressBar->setMinimum(0);
 144     searchingProgressBar->setMaximum(0);
 145     searchingProgressBar->hide();
 146     searchingProgressBar->setMaximumHeight(50);
 147
 148
 149     setLayout(verticalLayout);
 150
 151     verticalLayout->addWidget(searchingProgressBar);
 152
 153     //adding widgets to layout
 154     horizontalLayout->addWidget(searchWordLineEdit);
 155     horizontalLayout->addWidget(searchPushButton);
 156     horizontalLayout->addWidget(historyPrevToolButton);
 157     horizontalLayout->addWidget(historyShowToolButton);
 158     horizontalLayout->addWidget(historyNextToolButton);
 159
 160     //adding clear toolButton to textEdit with right alignment
 161     lineEditLayout->addWidget(clearSearchWordToolButton, 0,
 162                               Qt::AlignRight | Qt::AlignVCenter);
 163
 164     verticalLayout->addLayout(horizontalLayout);
 165
 166 }
 167
 168
 169 void SearchBarWidget::searchPushButtonClicked() {
 170     if(_isSearching) {
 171         setIdle();
 172         emit stopSearching();
 173     }
 174     else {
 175         search(searchWordLineEdit->text());
 176     }
 177 }
 178
 179
 180 void SearchBarWidget::search(QString word) {
 181     if(!_isSearching && !word.isEmpty()) {
 182         searchWordLineEdit->setText(word);
 183         setBusy();
 184         emit searchForTranslations(word);
 185     }
 186 }
 187
 188 void SearchBarWidget::setEnabled(bool enabled) {
 189     searchWordLineEdit->setEnabled(enabled);
 190     historyNextToolButton->setEnabled(enabled);
 191     historyPrevToolButton->setEnabled(enabled);
 192     historyShowToolButton->setEnabled(enabled);
 193 }
 194
 195 void SearchBarWidget::setBusy() {
 196     if(_isSearching) return;
 197     searchingProgressBar->show();
 198     searchPushButton->setText(tr("Stop"));
 199     setEnabled(false);
 200     _isSearching = true;
 201     emit busy();
 202 }
 203
 204 void SearchBarWidget::setIdle() {
 205     if(!_isSearching) return;
 206     searchingProgressBar->hide();
 207     searchPushButton->setText(tr("Search"));
 208     setEnabled(true);
 209     _isSearching = false;
 210     emit idle();
 211 }
 212
 213 void SearchBarWidget::historyNextToolButtonClicked() {
 214
 215 }
 216
 217 void SearchBarWidget::historyPrevToolButtonClicked() {
 218
 219 }
 220
 221 void SearchBarWidget::historyShowToolButtonClicked() {
 222
 223 }
 224
 225 void SearchBarWidget::clearSearchWordToolButtonClicked() {
 226     searchWordLineEdit->clear();
 227 }
 228
 229 void SearchBarWidget::showHistoryListDialog() {
 230
 231 }
 232
 233 bool SearchBarWidget::isSearching() const {
 234     return _isSearching;
 235 }