src/filterbar/filterbar.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2010 by Peter Penz <peter.penz19@gmail.com>        *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program 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 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program 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 this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20 #include "filterbar.h"
  21
  22 #include <QBoxLayout>
  23 #include <QKeyEvent>
  24 #include <QLabel>
  25 #include <QToolButton>
  26
  27 #include <KIcon>
  28 #include <KLocale>
  29 #include <KLineEdit>
  30 #include <KIconLoader>
  31
  32 FilterBar::FilterBar(QWidget* parent) :
  33     QWidget(parent)
  34 {
  35     // Create close button
  36     QToolButton *closeButton = new QToolButton(this);
  37     closeButton->setAutoRaise(true);
  38     closeButton->setIcon(KIcon("dialog-close"));
  39     closeButton->setToolTip(i18nc("@info:tooltip", "Hide Filter Bar"));
  40     connect(closeButton, SIGNAL(clicked()), this, SIGNAL(closeRequest()));
  41
  42     // Create label
  43     QLabel* filterLabel = new QLabel(i18nc("@label:textbox", "Filter:"), this);
  44
  45     // Create filter editor
  46     m_filterInput = new KLineEdit(this);
  47     m_filterInput->setLayoutDirection(Qt::LeftToRight);
  48     m_filterInput->setClearButtonShown(true);
  49     connect(m_filterInput, SIGNAL(textChanged(QString)),
  50             this, SIGNAL(filterChanged(QString)));
  51     setFocusProxy(m_filterInput);
  52
  53     // Apply layout
  54     QHBoxLayout* hLayout = new QHBoxLayout(this);
  55     hLayout->setMargin(0);
  56     hLayout->addWidget(closeButton);
  57     hLayout->addWidget(filterLabel);
  58     hLayout->addWidget(m_filterInput);
  59
  60     filterLabel->setBuddy(m_filterInput);
  61 }
  62
  63 FilterBar::~FilterBar()
  64 {
  65 }
  66
  67 void FilterBar::selectAll()
  68 {
  69     m_filterInput->selectAll();
  70 }
  71
  72 void FilterBar::clear()
  73 {
  74     m_filterInput->clear();
  75 }
  76
  77 void FilterBar::showEvent(QShowEvent* event)
  78 {
  79     if (!event->spontaneous()) {
  80         m_filterInput->setFocus();
  81     }
  82 }
  83
  84 void FilterBar::keyReleaseEvent(QKeyEvent* event)
  85 {
  86     QWidget::keyReleaseEvent(event);
  87
  88     switch (event->key()) {
  89     case Qt::Key_Escape:
  90         if (m_filterInput->text().isEmpty()) {
  91             emit closeRequest();
  92         } else {
  93             m_filterInput->clear();
  94         }
  95         break;
  96
  97     case Qt::Key_Enter:
  98     case Qt::Key_Return:
  99         emit focusViewRequest();
 100         break;
 101
 102     default:
 103         break;
 104     }
 105 }
 106
 107 #include "filterbar.moc"