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 <QHBoxLayout>
  14 #include <QKeyEvent>
  15 #include <QLineEdit>
  16 #include <QToolButton>
  17
  18 FilterBar::FilterBar(QWidget *parent)
  19     : QWidget(parent)
  20 {
  21     // Create button to lock text when changing folders
  22     m_lockButton = new QToolButton(this);
  23     m_lockButton->setAutoRaise(true);
  24     m_lockButton->setCheckable(true);
  25     m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-unlocked")));
  26     m_lockButton->setToolTip(i18nc("@info:tooltip", "Keep Filter When Changing Folders"));
  27     connect(m_lockButton, &QToolButton::toggled, this, &FilterBar::slotToggleLockButton);
  28
  29     // Create filter editor
  30     m_filterInput = new QLineEdit(this);
  31     m_filterInput->setLayoutDirection(Qt::LeftToRight);
  32     m_filterInput->setClearButtonEnabled(true);
  33     m_filterInput->setPlaceholderText(i18n("Filter..."));
  34     connect(m_filterInput, &QLineEdit::textChanged, this, &FilterBar::filterChanged);
  35     setFocusProxy(m_filterInput);
  36
  37     // Create close button
  38     QToolButton *closeButton = new QToolButton(this);
  39     closeButton->setAutoRaise(true);
  40     closeButton->setIcon(QIcon::fromTheme(QStringLiteral("dialog-close")));
  41     closeButton->setToolTip(i18nc("@info:tooltip", "Hide Filter Bar"));
  42     connect(closeButton, &QToolButton::clicked, this, &FilterBar::closeRequest);
  43
  44     // Apply layout
  45     QHBoxLayout *hLayout = new QHBoxLayout(this);
  46     hLayout->setContentsMargins(0, 0, 0, 0);
  47     hLayout->addWidget(m_lockButton);
  48     hLayout->addWidget(m_filterInput);
  49     hLayout->addWidget(closeButton);
  50 }
  51
  52 FilterBar::~FilterBar()
  53 {
  54 }
  55
  56 void FilterBar::closeFilterBar()
  57 {
  58     hide();
  59     clear();
  60     if (m_lockButton) {
  61         m_lockButton->setChecked(false);
  62     }
  63 }
  64
  65 void FilterBar::selectAll()
  66 {
  67     m_filterInput->selectAll();
  68 }
  69
  70 void FilterBar::clear()
  71 {
  72     m_filterInput->clear();
  73 }
  74
  75 void FilterBar::clearIfUnlocked()
  76 {
  77     if (!m_lockButton || !(m_lockButton->isChecked())) {
  78         clear();
  79     }
  80 }
  81
  82 void FilterBar::slotToggleLockButton(bool checked)
  83 {
  84     if (checked) {
  85         m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-locked")));
  86     } else {
  87         m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-unlocked")));
  88         clear();
  89     }
  90 }
  91
  92 void FilterBar::showEvent(QShowEvent *event)
  93 {
  94     if (!event->spontaneous()) {
  95         m_filterInput->setFocus();
  96     }
  97 }
  98
  99 void FilterBar::keyReleaseEvent(QKeyEvent *event)
 100 {
 101     QWidget::keyReleaseEvent(event);
 102
 103     switch (event->key()) {
 104     case Qt::Key_Escape:
 105         if (m_filterInput->text().isEmpty()) {
 106             Q_EMIT closeRequest();
 107         } else {
 108             m_filterInput->clear();
 109         }
 110         break;
 111
 112     case Qt::Key_Enter:
 113     case Qt::Key_Return:
 114         Q_EMIT focusViewRequest();
 115         break;
 116
 117     default:
 118         break;
 119     }
 120 }