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  *   Copyright (C) 2012 by Stuart Citrin <ctrn3e8@gmail.com>               *
   5  *                                                                         *
   6  *   This program is free software; you can redistribute it and/or modify  *
   7  *   it under the terms of the GNU General Public License as published by  *
   8  *   the Free Software Foundation; either version 2 of the License, or     *
   9  *   (at your option) any later version.                                   *
  10  *                                                                         *
  11  *   This program is distributed in the hope that it will be useful,       *
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  14  *   GNU General Public License for more details.                          *
  15  *                                                                         *
  16  *   You should have received a copy of the GNU General Public License     *
  17  *   along with this program; if not, write to the                         *
  18  *   Free Software Foundation, Inc.,                                       *
  19  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  20  ***************************************************************************/
  21 #include "filterbar.h"
  22
  23 #include <QKeyEvent>
  24 #include <QLabel>
  25 #include <QToolButton>
  26 #include <QHBoxLayout>
  27
  28 #include <QIcon>
  29 #include <KLocalizedString>
  30 #include <QLineEdit>
  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(QIcon::fromTheme(QStringLiteral("dialog-close")));
  39     closeButton->setToolTip(i18nc("@info:tooltip", "Hide Filter Bar"));
  40     connect(closeButton, &QToolButton::clicked, this, &FilterBar::closeRequest);
  41
  42     // Create button to lock text when changing folders
  43     m_lockButton = new QToolButton(this);
  44     m_lockButton->setAutoRaise(true);
  45     m_lockButton->setCheckable(true);
  46     m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-unlocked")));
  47     m_lockButton->setToolTip(i18nc("@info:tooltip", "Keep Filter When Changing Folders"));
  48     connect(m_lockButton, &QToolButton::toggled, this, &FilterBar::slotToggleLockButton);
  49
  50     // Create label
  51     QLabel* filterLabel = new QLabel(i18nc("@label:textbox", "Filter:"), this);
  52
  53     // Create filter editor
  54     m_filterInput = new QLineEdit(this);
  55     m_filterInput->setLayoutDirection(Qt::LeftToRight);
  56     m_filterInput->setClearButtonEnabled(true);
  57     connect(m_filterInput, &QLineEdit::textChanged,
  58             this, &FilterBar::filterChanged);
  59     setFocusProxy(m_filterInput);
  60
  61     // Apply layout
  62     QHBoxLayout* hLayout = new QHBoxLayout(this);
  63     hLayout->setMargin(0);
  64     hLayout->addWidget(closeButton);
  65     hLayout->addWidget(filterLabel);
  66     hLayout->addWidget(m_filterInput);
  67     hLayout->addWidget(m_lockButton);
  68
  69     filterLabel->setBuddy(m_filterInput);
  70 }
  71
  72 FilterBar::~FilterBar()
  73 {
  74 }
  75
  76 void FilterBar::closeFilterBar()
  77 {
  78     hide();
  79     clear();
  80     if (m_lockButton) {
  81         m_lockButton->setChecked(false);
  82     }
  83 }
  84
  85 void FilterBar::selectAll()
  86 {
  87     m_filterInput->selectAll();
  88 }
  89
  90 void FilterBar::clear()
  91 {
  92     m_filterInput->clear();
  93 }
  94
  95 void FilterBar::slotUrlChanged()
  96 {
  97     if (!m_lockButton || !(m_lockButton->isChecked())) {
  98         clear();
  99     }
 100 }
 101
 102 void FilterBar::slotToggleLockButton(bool checked)
 103 {
 104     if (checked) {
 105         m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-locked")));
 106     } else {
 107         m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-unlocked")));
 108         clear();
 109     }
 110 }
 111
 112 void FilterBar::showEvent(QShowEvent* event)
 113 {
 114     if (!event->spontaneous()) {
 115         m_filterInput->setFocus();
 116     }
 117 }
 118
 119 void FilterBar::keyReleaseEvent(QKeyEvent* event)
 120 {
 121     QWidget::keyReleaseEvent(event);
 122
 123     switch (event->key()) {
 124     case Qt::Key_Escape:
 125         if (m_filterInput->text().isEmpty()) {
 126             emit closeRequest();
 127         } else {
 128             m_filterInput->clear();
 129         }
 130         break;
 131
 132     case Qt::Key_Enter:
 133     case Qt::Key_Return:
 134         emit focusViewRequest();
 135         break;
 136
 137     default:
 138         break;
 139     }
 140 }
 141