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
  30     // Create filter editor
  31     m_filterInput = new QLineEdit(this);
  32     m_filterInput->setLayoutDirection(Qt::LeftToRight);
  33     m_filterInput->setClearButtonEnabled(true);
  34     m_filterInput->setPlaceholderText(i18n("Filter..."));
  35     connect(m_filterInput, &QLineEdit::textChanged,
  36             this, &FilterBar::filterChanged);
  37     setFocusProxy(m_filterInput);
  38
  39     // Create close button
  40     QToolButton *closeButton = new QToolButton(this);
  41     closeButton->setAutoRaise(true);
  42     closeButton->setIcon(QIcon::fromTheme(QStringLiteral("dialog-close")));
  43     closeButton->setToolTip(i18nc("@info:tooltip", "Hide Filter Bar"));
  44     connect(closeButton, &QToolButton::clicked, this, &FilterBar::closeRequest);
  45
  46     // Apply layout
  47     QHBoxLayout* hLayout = new QHBoxLayout(this);
  48     hLayout->setContentsMargins(0, 0, 0, 0);
  49     hLayout->addWidget(m_lockButton);
  50     hLayout->addWidget(m_filterInput);
  51     hLayout->addWidget(closeButton);
  52 }
  53
  54 FilterBar::~FilterBar()
  55 {
  56 }
  57
  58 void FilterBar::closeFilterBar()
  59 {
  60     hide();
  61     clear();
  62     if (m_lockButton) {
  63         m_lockButton->setChecked(false);
  64     }
  65 }
  66
  67 void FilterBar::selectAll()
  68 {
  69     m_filterInput->selectAll();
  70 }
  71
  72 void FilterBar::clear()
  73 {
  74     m_filterInput->clear();
  75 }
  76
  77 void FilterBar::clearIfUnlocked()
  78 {
  79     if (!m_lockButton || !(m_lockButton->isChecked())) {
  80         clear();
  81     }
  82 }
  83
  84 void FilterBar::slotToggleLockButton(bool checked)
  85 {
  86     if (checked) {
  87         m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-locked")));
  88     } else {
  89         m_lockButton->setIcon(QIcon::fromTheme(QStringLiteral("object-unlocked")));
  90         clear();
  91     }
  92 }
  93
  94 void FilterBar::showEvent(QShowEvent* event)
  95 {
  96     if (!event->spontaneous()) {
  97         m_filterInput->setFocus();
  98     }
  99 }
 100
 101 void FilterBar::keyReleaseEvent(QKeyEvent* event)
 102 {
 103     QWidget::keyReleaseEvent(event);
 104
 105     switch (event->key()) {
 106     case Qt::Key_Escape:
 107         if (m_filterInput->text().isEmpty()) {
 108             Q_EMIT closeRequest();
 109         } else {
 110             m_filterInput->clear();
 111         }
 112         break;
 113
 114     case Qt::Key_Enter:
 115     case Qt::Key_Return:
 116         Q_EMIT focusViewRequest();
 117         break;
 118
 119     default:
 120         break;
 121     }
 122 }
 123