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 <QBoxLayout>
  24 #include <QKeyEvent>
  25 #include <QLabel>
  26 #include <QToolButton>
  27
  28 #include <KIcon>
  29 #include <KLocale>
  30 #include <KLineEdit>
  31 #include <KIconLoader>
  32
  33 FilterBar::FilterBar(QWidget* parent) :
  34     QWidget(parent)
  35 {
  36     // Create close button
  37     QToolButton *closeButton = new QToolButton(this);
  38     closeButton->setAutoRaise(true);
  39     closeButton->setIcon(KIcon("dialog-close"));
  40     closeButton->setToolTip(i18nc("@info:tooltip", "Hide Filter Bar"));
  41     connect(closeButton, &QToolButton::clicked, this, &FilterBar::closeRequest);
  42
  43     // Create button to lock text when changing folders
  44     m_lockButton = new QToolButton(this);
  45     m_lockButton->setAutoRaise(true);
  46     m_lockButton->setCheckable(true);
  47     m_lockButton->setIcon(KIcon("object-unlocked"));
  48     m_lockButton->setToolTip(i18nc("@info:tooltip", "Keep Filter When Changing Folders"));
  49     connect(m_lockButton, &QToolButton::toggled, this, &FilterBar::slotToggleLockButton);
  50
  51     // Create label
  52     QLabel* filterLabel = new QLabel(i18nc("@label:textbox", "Filter:"), this);
  53
  54     // Create filter editor
  55     m_filterInput = new KLineEdit(this);
  56     m_filterInput->setLayoutDirection(Qt::LeftToRight);
  57     m_filterInput->setClearButtonShown(true);
  58     connect(m_filterInput, &KLineEdit::textChanged,
  59             this, &FilterBar::filterChanged);
  60     setFocusProxy(m_filterInput);
  61
  62     // Apply layout
  63     QHBoxLayout* hLayout = new QHBoxLayout(this);
  64     hLayout->setMargin(0);
  65     hLayout->addWidget(closeButton);
  66     hLayout->addWidget(filterLabel);
  67     hLayout->addWidget(m_filterInput);
  68     hLayout->addWidget(m_lockButton);
  69
  70     filterLabel->setBuddy(m_filterInput);
  71 }
  72
  73 FilterBar::~FilterBar()
  74 {
  75 }
  76
  77 void FilterBar::closeFilterBar()
  78 {
  79     hide();
  80     clear();
  81     if (m_lockButton) {
  82         m_lockButton->setChecked(false);
  83     }
  84 }
  85
  86 void FilterBar::selectAll()
  87 {
  88     m_filterInput->selectAll();
  89 }
  90
  91 void FilterBar::clear()
  92 {
  93     m_filterInput->clear();
  94 }
  95
  96 void FilterBar::slotUrlChanged()
  97 {
  98     if (!m_lockButton || !(m_lockButton->isChecked())) {
  99         clear();
 100     }
 101 }
 102
 103 void FilterBar::slotToggleLockButton(bool checked)
 104 {
 105     if (checked) {
 106         m_lockButton->setIcon(KIcon("object-locked"));
 107     } else {
 108         m_lockButton->setIcon(KIcon("object-unlocked"));
 109         clear();
 110     }
 111 }
 112
 113 void FilterBar::showEvent(QShowEvent* event)
 114 {
 115     if (!event->spontaneous()) {
 116         m_filterInput->setFocus();
 117     }
 118 }
 119
 120 void FilterBar::keyReleaseEvent(QKeyEvent* event)
 121 {
 122     QWidget::keyReleaseEvent(event);
 123
 124     switch (event->key()) {
 125     case Qt::Key_Escape:
 126         if (m_filterInput->text().isEmpty()) {
 127             emit closeRequest();
 128         } else {
 129             m_filterInput->clear();
 130         }
 131         break;
 132
 133     case Qt::Key_Enter:
 134     case Qt::Key_Return:
 135         emit focusViewRequest();
 136         break;
 137
 138     default:
 139         break;
 140     }
 141 }
 142
 143 #include "filterbar.moc"