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
  22 #include "filterbar.h"
  23
  24 #include <KLocalizedString>
  25
  26 #include <QHBoxLayout>
  27 #include <QKeyEvent>
  28 #include <QLabel>
  29 #include <QLineEdit>
  30 #include <QToolButton>
  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
  51     // Create filter editor
  52     m_filterInput = new QLineEdit(this);
  53     m_filterInput->setLayoutDirection(Qt::LeftToRight);
  54     m_filterInput->setClearButtonEnabled(true);
  55     m_filterInput->setPlaceholderText(i18n("Filter..."));
  56     connect(m_filterInput, &QLineEdit::textChanged,
  57             this, &FilterBar::filterChanged);
  58     setFocusProxy(m_filterInput);
  59
  60     // Apply layout
  61     QHBoxLayout* hLayout = new QHBoxLayout(this);
  62     hLayout->setContentsMargins(0, 0, 0, 0);
  63     hLayout->addWidget(closeButton);
  64     hLayout->addWidget(m_lockButton);
  65     hLayout->addWidget(m_filterInput);
  66 }
  67
  68 FilterBar::~FilterBar()
  69 {
  70 }
  71
  72 void FilterBar::closeFilterBar()
  73 {
  74     hide();
  75     clear();
  76     if (m_lockButton) {
  77         m_lockButton->setChecked(false);
  78     }
  79 }
  80
  81 void FilterBar::selectAll()
  82 {
  83     m_filterInput->selectAll();
  84 }
  85
  86 void FilterBar::clear()
  87 {
  88     m_filterInput->clear();
  89 }
  90
  91 void FilterBar::slotUrlChanged()
  92 {
  93     if (!m_lockButton || !(m_lockButton->isChecked())) {
  94         clear();
  95     }
  96 }
  97
  98 void FilterBar::slotToggleLockButton(bool checked)
  99 {
 100     if (checked) {
 101         m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-locked")));
 102     } else {
 103         m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-unlocked")));
 104         clear();
 105     }
 106 }
 107
 108 void FilterBar::showEvent(QShowEvent* event)
 109 {
 110     if (!event->spontaneous()) {
 111         m_filterInput->setFocus();
 112     }
 113 }
 114
 115 void FilterBar::keyReleaseEvent(QKeyEvent* event)
 116 {
 117     QWidget::keyReleaseEvent(event);
 118
 119     switch (event->key()) {
 120     case Qt::Key_Escape:
 121         if (m_filterInput->text().isEmpty()) {
 122             emit closeRequest();
 123         } else {
 124             m_filterInput->clear();
 125         }
 126         break;
 127
 128     case Qt::Key_Enter:
 129     case Qt::Key_Return:
 130         emit focusViewRequest();
 131         break;
 132
 133     default:
 134         break;
 135     }
 136 }
 137