juk/searchwidget.cpp

   1 /***************************************************************************
   2     begin                : Sun Mar 6 2003
   3     copyright            : (C) 2003 by Richard Lärkäng
   4     email                : nouseforaname@home.se
   5
   6     copyright            : (C) 2003 - 2004 by Scott Wheeler
   7     email                : wheeler@kde.org
   8  ***************************************************************************/
   9
  10 /***************************************************************************
  11  *                                                                         *
  12  *   This program is free software; you can redistribute it and/or modify  *
  13  *   it under the terms of the GNU General Public License as published by  *
  14  *   the Free Software Foundation; either version 2 of the License, or     *
  15  *   (at your option) any later version.                                   *
  16  *                                                                         *
  17  ***************************************************************************/
  18
  19 #include "searchwidget.h"
  20 #include "collectionlist.h"
  21 #include "actioncollection.h"
  22 #include "searchadaptor.h"
  23
  24 #include <klocale.h>
  25 #include <klineedit.h>
  26 #include <kiconloader.h>
  27 #include <kcombobox.h>
  28 #include <kdebug.h>
  29 #include <kaction.h>
  30
  31 #include <QLayout>
  32 #include <QLabel>
  33 #include <QCheckBox>
  34 #include <QPushButton>
  35 #include <QToolButton>
  36 #include <QKeyEvent>
  37 #include <QtDBus>
  38
  39 using namespace ActionCollection;
  40
  41 ////////////////////////////////////////////////////////////////////////////////
  42 // SearchLine public methods
  43 ////////////////////////////////////////////////////////////////////////////////
  44
  45 SearchLine::SearchLine(QWidget *parent, bool simple, const char *name) :
  46     Q3HBox(parent, name),
  47     m_simple(simple),
  48     m_searchFieldsBox(0)
  49 {
  50     setSpacing(5);
  51
  52     if(!m_simple) {
  53         m_searchFieldsBox = new KComboBox(this);
  54         m_searchFieldsBox->setObjectName( "searchFields" );
  55         connect(m_searchFieldsBox, SIGNAL(activated(int)),
  56                 this, SIGNAL(signalQueryChanged()));
  57     }
  58
  59     m_lineEdit = new KLineEdit(this);
  60     m_lineEdit->setObjectName( "searchLineEdit" );
  61     m_lineEdit->installEventFilter(this);
  62     connect(m_lineEdit, SIGNAL(textChanged(const QString &)),
  63             this, SIGNAL(signalQueryChanged()));
  64     connect(m_lineEdit, SIGNAL(returnPressed()),
  65             this, SLOT(slotActivate()));
  66
  67     if(!m_simple) {
  68         m_caseSensitive = new KComboBox(this);
  69         m_caseSensitive->addItem(i18n("Normal Matching"));
  70         m_caseSensitive->addItem(i18n("Case Sensitive"));
  71         m_caseSensitive->addItem(i18n("Pattern Matching"));
  72         connect(m_caseSensitive, SIGNAL(activated(int)),
  73                 this, SIGNAL(signalQueryChanged()));
  74     }
  75     else
  76         m_caseSensitive = 0;
  77
  78     updateColumns();
  79 }
  80
  81 PlaylistSearch::Component SearchLine::searchComponent() const
  82 {
  83     QString query = m_lineEdit->text();
  84     bool caseSensitive = m_caseSensitive && m_caseSensitive->currentIndex() == CaseSensitive;
  85
  86     Playlist *playlist = CollectionList::instance();
  87
  88     QList<int> searchedColumns;
  89
  90     if(!m_searchFieldsBox || m_searchFieldsBox->currentIndex() == 0) {
  91         foreach(int column, m_columnList) {
  92             if(playlist->isColumnVisible(column))
  93                 searchedColumns.append(column);
  94         }
  95     }
  96     else
  97         searchedColumns.append(m_columnList[m_searchFieldsBox->currentIndex() - 1]);
  98
  99     if(m_caseSensitive && m_caseSensitive->currentIndex() == Pattern)
 100         return PlaylistSearch::Component(QRegExp(query), searchedColumns);
 101     else
 102         return PlaylistSearch::Component(query, caseSensitive, searchedColumns);
 103 }
 104
 105 void SearchLine::setSearchComponent(const PlaylistSearch::Component &component)
 106 {
 107     if(component == searchComponent())
 108         return;
 109
 110     if(m_simple || !component.isPatternSearch()) {
 111         m_lineEdit->setText(component.query());
 112         if(m_caseSensitive)
 113             m_caseSensitive->setCurrentIndex(component.isCaseSensitive() ? CaseSensitive : Default);
 114     }
 115     else {
 116         m_lineEdit->setText(component.pattern().pattern());
 117         if(m_caseSensitive)
 118             m_caseSensitive->setCurrentIndex(Pattern);
 119     }
 120
 121     if(!m_simple) {
 122         if(component.columns().isEmpty() || component.columns().size() > 1)
 123             m_searchFieldsBox->setCurrentIndex(0);
 124         else
 125             m_searchFieldsBox->setCurrentIndex(component.columns().front() + 1);
 126     }
 127 }
 128
 129 void SearchLine::clear()
 130 {
 131     // We don't want to emit the signal if it's already empty.
 132     if(!m_lineEdit->text().isEmpty())
 133         m_lineEdit->clear();
 134 }
 135
 136 void SearchLine::setFocus()
 137 {
 138     m_lineEdit->setFocus();
 139 }
 140
 141 bool SearchLine::eventFilter(QObject *watched, QEvent *e)
 142 {
 143     if(watched != m_lineEdit || e->type() != QEvent::KeyPress)
 144         return Q3HBox::eventFilter(watched, e);
 145
 146     QKeyEvent *key = static_cast<QKeyEvent *>(e);
 147     if(key->key() == Qt::Key_Down)
 148         emit signalDownPressed();
 149
 150     return Q3HBox::eventFilter(watched, e);
 151 }
 152
 153 void SearchLine::slotActivate()
 154 {
 155     action("stop")->trigger();
 156     action("playFirst")->trigger();
 157 }
 158
 159 void SearchLine::updateColumns()
 160 {
 161     QString currentText;
 162
 163     if(m_searchFieldsBox) {
 164         currentText = m_searchFieldsBox->currentText();
 165         m_searchFieldsBox->clear();
 166     }
 167
 168     QStringList columnHeaders;
 169
 170     columnHeaders.append(QString("<%1>").arg(i18n("All Visible")));
 171
 172     Playlist *playlist = CollectionList::instance();
 173
 174     int selection = -1;
 175     m_columnList.clear();
 176
 177     for(int i = 0; i < playlist->columns(); i++) {
 178         m_columnList.append(i);
 179         QString text = playlist->columnText(i);
 180         columnHeaders.append(text);
 181         if(currentText == text)
 182             selection = m_columnList.size() - 1;
 183     }
 184
 185     if(m_searchFieldsBox) {
 186         m_searchFieldsBox->addItems(columnHeaders);
 187         m_searchFieldsBox->setCurrentIndex(selection + 1);
 188     }
 189 }
 190
 191 ////////////////////////////////////////////////////////////////////////////////
 192 // SearchWidget public methods
 193 ////////////////////////////////////////////////////////////////////////////////
 194
 195 SearchWidget::SearchWidget(QWidget *parent, const char *name) : KToolBar(parent, name)
 196 {
 197     new SearchAdaptor(this);
 198     QDBusConnection::sessionBus().registerObject("/Search", this);
 199     setupLayout();
 200     updateColumns();
 201 }
 202
 203 SearchWidget::~SearchWidget()
 204 {
 205
 206 }
 207
 208 void SearchWidget::setSearch(const PlaylistSearch &search)
 209 {
 210     PlaylistSearch::ComponentList components = search.components();
 211
 212     if(components.isEmpty()) {
 213         clear();
 214         return;
 215     }
 216
 217     m_searchLine->setSearchComponent(*components.begin());
 218 }
 219
 220 QString SearchWidget::searchText() const
 221 {
 222     return m_searchLine->searchComponent().query();
 223 }
 224
 225 void SearchWidget::setSearchText(const QString &text)
 226 {
 227     m_searchLine->setSearchComponent(PlaylistSearch::Component(text));
 228 }
 229
 230 PlaylistSearch SearchWidget::search(const PlaylistList &playlists) const
 231 {
 232     PlaylistSearch::ComponentList components;
 233     components.append(m_searchLine->searchComponent());
 234     return PlaylistSearch(playlists, components);
 235 }
 236
 237
 238
 239 ////////////////////////////////////////////////////////////////////////////////
 240 // SearchWidget public slots
 241 ////////////////////////////////////////////////////////////////////////////////
 242
 243 void SearchWidget::clear()
 244 {
 245     m_searchLine->clear();
 246 }
 247
 248 void SearchWidget::setEnabled(bool enable)
 249 {
 250     emit signalShown(enable);
 251     setVisible(enable);
 252 }
 253
 254 void SearchWidget::setFocus()
 255 {
 256     m_searchLine->setFocus();
 257 }
 258
 259 ////////////////////////////////////////////////////////////////////////////////
 260 // SearchWidget private methods
 261 ////////////////////////////////////////////////////////////////////////////////
 262
 263 void SearchWidget::updateColumns()
 264 {
 265     m_searchLine->updateColumns();
 266 }
 267
 268 void SearchWidget::setupLayout()
 269 {
 270     /// Qt4 porting: disabled this: boxLayout()->setSpacing(5);
 271
 272     QLabel *label = new QLabel(i18n("Search:"), this );
 273     label->setObjectName( "kde toolbar widget" );
 274
 275     m_searchLine = new SearchLine(this, true );
 276     m_searchLine->setObjectName( "kde toolbar widget" );
 277
 278     label->setBuddy(m_searchLine);
 279
 280     connect(m_searchLine, SIGNAL(signalQueryChanged()), this, SIGNAL(signalQueryChanged()));
 281     connect(m_searchLine, SIGNAL(signalDownPressed()), this, SIGNAL(signalDownPressed()));
 282
 283 #ifdef __GNUC__
 284 #warning TODO Find replacement for KToolBar::setStretchableWidget
 285 #endif
 286     //setStretchableWidget(m_searchLine);
 287
 288     // I've decided that I think this is ugly, for now.
 289
 290     /*
 291       QToolButton *b = new QToolButton(this);
 292       b->setTextLabel(i18n("Advanced Search"), true);
 293       b->setIconSet(SmallIconSet("wizard"));
 294
 295       connect(b, SIGNAL(clicked()), this, SIGNAL(signalAdvancedSearchClicked()));
 296     */
 297 }
 298
 299 #include "searchwidget.moc"
 300
 301 // vim: set et sw=4 tw=0 sta: