src/filterbar/filterbar.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2006-2010 Peter Penz <peter.penz19@gmail.com>
   3  * SPDX-FileCopyrightText: 2006 Gregor Kališnik <gregor@podnapisi.net>
   4  * SPDX-FileCopyrightText: 2012 Stuart Citrin <ctrn3e8@gmail.com>
   5  *
   6  * SPDX-License-Identifier: GPL-2.0-or-later
   7  */
   8
   9 #include "filterbar.h"
  10
  11 #include <KLocalizedString>
  12
  13 #include <QApplication>
  14 #include <QHBoxLayout>
  15 #include <QKeyEvent>
  16 #include <QLineEdit>
  17 #include <QToolButton>
  18
  19 FilterBar::FilterBar(QWidget *parent)
  20     : AnimatedHeightWidget{parent}
  21 {
  22     QWidget *contentsContainer = prepareContentsContainer();
  23
  24     // Create button to lock text when changing folders
  25     m_lockButton = new QToolButton(contentsContainer);
  26     m_lockButton->setAutoRaise(true);
  27     m_lockButton->setCheckable(true);
  28     m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-unlocked")));
  29     m_lockButton->setToolTip(i18nc("@info:tooltip", "Keep Filter When Changing Folders"));
  30     connect(m_lockButton, &QToolButton::toggled, this, &FilterBar::slotToggleLockButton);
  31
  32     // Create filter editor
  33     m_filterInput = new QLineEdit(contentsContainer);
  34     m_filterInput->setLayoutDirection(Qt::LeftToRight);
  35     m_filterInput->setClearButtonEnabled(true);
  36     m_filterInput->setPlaceholderText(i18n("Filter…"));
  37     connect(m_filterInput, &QLineEdit::textChanged, this, &FilterBar::filterChanged);
  38     setFocusProxy(m_filterInput);
  39
  40     // Create close button
  41     QToolButton *closeButton = new QToolButton(contentsContainer);
  42     closeButton->setAutoRaise(true);
  43     closeButton->setIcon(QIcon::fromTheme(QStringLiteral("dialog-close")));
  44     closeButton->setToolTip(i18nc("@info:tooltip", "Hide Filter Bar"));
  45     connect(closeButton, &QToolButton::clicked, this, &FilterBar::closeRequest);
  46
  47     // Apply layout
  48     QHBoxLayout *hLayout = new QHBoxLayout(contentsContainer);
  49     hLayout->setContentsMargins(0, 0, 0, 0);
  50     hLayout->addWidget(m_lockButton);
  51     hLayout->addWidget(m_filterInput);
  52     hLayout->addWidget(closeButton);
  53
  54     setTabOrder(m_lockButton, closeButton);
  55     setTabOrder(closeButton, m_filterInput);
  56 }
  57
  58 FilterBar::~FilterBar()
  59 {
  60 }
  61
  62 void FilterBar::closeFilterBar()
  63 {
  64     setVisible(false, WithAnimation);
  65     clear();
  66     if (m_lockButton) {
  67         m_lockButton->setChecked(false);
  68     }
  69 }
  70
  71 void FilterBar::selectAll()
  72 {
  73     m_filterInput->selectAll();
  74 }
  75
  76 void FilterBar::clear()
  77 {
  78     m_filterInput->clear();
  79 }
  80
  81 void FilterBar::clearIfUnlocked()
  82 {
  83     if (!m_lockButton || !(m_lockButton->isChecked())) {
  84         clear();
  85     }
  86 }
  87
  88 void FilterBar::slotToggleLockButton(bool checked)
  89 {
  90     if (checked) {
  91         m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-locked")));
  92     } else {
  93         m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-unlocked")));
  94         clear();
  95     }
  96 }
  97
  98 void FilterBar::showEvent(QShowEvent *event)
  99 {
 100     if (!event->spontaneous()) {
 101         m_filterInput->setFocus();
 102     }
 103 }
 104
 105 void FilterBar::keyPressEvent(QKeyEvent *event)
 106 {
 107     switch (event->key()) {
 108     case Qt::Key_Escape:
 109         if (m_filterInput->text().isEmpty()) {
 110             Q_EMIT closeRequest();
 111         } else {
 112             m_filterInput->clear();
 113         }
 114         return;
 115
 116     case Qt::Key_Enter:
 117     case Qt::Key_Return:
 118         Q_EMIT focusViewRequest();
 119         return;
 120
 121     case Qt::Key_Down:
 122     case Qt::Key_PageDown:
 123     case Qt::Key_Up:
 124     case Qt::Key_PageUp: {
 125         Q_EMIT focusViewRequest();
 126         QWidget *focusWidget = QApplication::focusWidget();
 127         if (focusWidget && focusWidget != this) {
 128             QApplication::sendEvent(focusWidget, event);
 129         }
 130         return;
 131     }
 132
 133     default:
 134         break;
 135     }
 136
 137     QWidget::keyPressEvent(event);
 138 }
 139
 140 int FilterBar::preferredHeight() const
 141 {
 142     return std::max(m_filterInput->sizeHint().height(), m_lockButton->sizeHint().height());
 143 }
 144
 145 #include "moc_filterbar.cpp"