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 <KLocalizedString>
  29 #include <QLineEdit>
  30
  31 FilterBar::FilterBar(QWidget* parent) :
  32     QWidget(parent)
  33 {
  34     // Create close button
  35     QToolButton *closeButton = new QToolButton(this);
  36     closeButton->setAutoRaise(true);
  37     closeButton->setIcon(QIcon::fromTheme(QStringLiteral("dialog-close")));
  38     closeButton->setToolTip(i18nc("@info:tooltip", "Hide Filter Bar"));
  39     connect(closeButton, &QToolButton::clicked, this, &FilterBar::closeRequest);
  40
  41     // Create button to lock text when changing folders
  42     m_lockButton = new QToolButton(this);
  43     m_lockButton->setAutoRaise(true);
  44     m_lockButton->setCheckable(true);
  45     m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-unlocked")));
  46     m_lockButton->setToolTip(i18nc("@info:tooltip", "Keep Filter When Changing Folders"));
  47     connect(m_lockButton, &QToolButton::toggled, this, &FilterBar::slotToggleLockButton);
  48
  49     // Create label
  50     QLabel* filterLabel = new QLabel(i18nc("@label:textbox", "Filter:"), this);
  51
  52     // Create filter editor
  53     m_filterInput = new QLineEdit(this);
  54     m_filterInput->setLayoutDirection(Qt::LeftToRight);
  55     m_filterInput->setClearButtonEnabled(true);
  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->setMargin(0);
  63     hLayout->addWidget(closeButton);
  64     hLayout->addWidget(filterLabel);
  65     hLayout->addWidget(m_filterInput);
  66     hLayout->addWidget(m_lockButton);
  67
  68     filterLabel->setBuddy(m_filterInput);
  69 }
  70
  71 FilterBar::~FilterBar()
  72 {
  73 }
  74
  75 void FilterBar::closeFilterBar()
  76 {
  77     hide();
  78     clear();
  79     if (m_lockButton) {
  80         m_lockButton->setChecked(false);
  81     }
  82 }
  83
  84 void FilterBar::selectAll()
  85 {
  86     m_filterInput->selectAll();
  87 }
  88
  89 void FilterBar::clear()
  90 {
  91     m_filterInput->clear();
  92 }
  93
  94 void FilterBar::slotUrlChanged()
  95 {
  96     if (!m_lockButton || !(m_lockButton->isChecked())) {
  97         clear();
  98     }
  99 }
 100
 101 void FilterBar::slotToggleLockButton(bool checked)
 102 {
 103     if (checked) {
 104         m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-locked")));
 105     } else {
 106         m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-unlocked")));
 107         clear();
 108     }
 109 }
 110
 111 void FilterBar::showEvent(QShowEvent* event)
 112 {
 113     if (!event->spontaneous()) {
 114         m_filterInput->setFocus();
 115     }
 116 }
 117
 118 void FilterBar::keyReleaseEvent(QKeyEvent* event)
 119 {
 120     QWidget::keyReleaseEvent(event);
 121
 122     switch (event->key()) {
 123     case Qt::Key_Escape:
 124         if (m_filterInput->text().isEmpty()) {
 125             emit closeRequest();
 126         } else {
 127             m_filterInput->clear();
 128         }
 129         break;
 130
 131     case Qt::Key_Enter:
 132     case Qt::Key_Return:
 133         emit focusViewRequest();
 134         break;
 135
 136     default:
 137         break;
 138     }
 139 }
 140