src/dolphinurlnavigator.cpp

   1 /*
   2     This file is part of the KDE project
   3     SPDX-FileCopyrightText: 2020 Felix Ernst <felixernst@kde.org>
   4
   5     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
   6 */
   7
   8 #include "dolphinurlnavigator.h"
   9
  10 #include "dolphin_generalsettings.h"
  11 #include "dolphinplacesmodelsingleton.h"
  12 #include "dolphinurlnavigatorscontroller.h"
  13 #include "global.h"
  14
  15 #include <KLocalizedString>
  16 #include <KUrlComboBox>
  17
  18 #include <QAbstractButton>
  19 #include <QLabel>
  20 #include <QLayout>
  21 #include <QLineEdit>
  22
  23 DolphinUrlNavigator::DolphinUrlNavigator(QWidget *parent)
  24     : DolphinUrlNavigator(QUrl(), parent)
  25 {
  26 }
  27
  28 DolphinUrlNavigator::DolphinUrlNavigator(const QUrl &url, QWidget *parent)
  29     : KUrlNavigator(DolphinPlacesModelSingleton::instance().placesModel(), url, parent)
  30 {
  31     const GeneralSettings *settings = GeneralSettings::self();
  32     setUrlEditable(settings->editableUrl());
  33     setShowFullPath(settings->showFullPath());
  34     setHomeUrl(Dolphin::homeUrl());
  35     setPlacesSelectorVisible(DolphinUrlNavigatorsController::placesSelectorVisible());
  36     editor()->setCompletionMode(KCompletion::CompletionMode(settings->urlCompletionMode()));
  37     setWhatsThis(xi18nc("@info:whatsthis location bar",
  38                         "<para>This describes the location of the files and folders "
  39                         "displayed below.</para><para>The name of the currently viewed "
  40                         "folder can be read at the very right. To the left of it is the "
  41                         "name of the folder that contains it. The whole line is called "
  42                         "the <emphasis>path</emphasis> to the current location because "
  43                         "following these folders from left to right leads here.</para>"
  44                         "<para>This interactive path "
  45                         "is more powerful than one would expect. To learn more "
  46                         "about the basic and advanced features of the location bar "
  47                         "<link url='help:/dolphin/location-bar.html'>click here</link>. "
  48                         "This will open the dedicated page in the Handbook.</para>"));
  49
  50     DolphinUrlNavigatorsController::registerDolphinUrlNavigator(this);
  51
  52     connect(this, &KUrlNavigator::returnPressed, this, &DolphinUrlNavigator::slotReturnPressed);
  53
  54     auto readOnlyBadge = new QLabel();
  55     readOnlyBadge->setPixmap(QIcon::fromTheme(QStringLiteral("emblem-readonly")).pixmap(12, 12));
  56     readOnlyBadge->setToolTip(i18nc("@info:tooltip of a 'locked' symbol in url navigator", "This folder is not writable for you."));
  57     readOnlyBadge->hide();
  58     setBadgeWidget(readOnlyBadge);
  59 }
  60
  61 DolphinUrlNavigator::~DolphinUrlNavigator()
  62 {
  63     DolphinUrlNavigatorsController::unregisterDolphinUrlNavigator(this);
  64 }
  65
  66 QSize DolphinUrlNavigator::sizeHint() const
  67 {
  68     if (isUrlEditable()) {
  69         return editor()->lineEdit()->sizeHint();
  70     }
  71     int widthHint = 0;
  72     for (int i = 0; i < layout()->count(); ++i) {
  73         QWidget *widget = layout()->itemAt(i)->widget();
  74         const QAbstractButton *button = qobject_cast<QAbstractButton *>(widget);
  75         if (button && button->icon().isNull()) {
  76             widthHint += widget->minimumSizeHint().width();
  77         }
  78     }
  79     if (readOnlyBadgeVisible()) {
  80         widthHint += badgeWidget()->sizeHint().width();
  81     }
  82     return QSize(widthHint, KUrlNavigator::sizeHint().height());
  83 }
  84
  85 std::unique_ptr<DolphinUrlNavigator::VisualState> DolphinUrlNavigator::visualState() const
  86 {
  87     std::unique_ptr<VisualState> visualState{new VisualState};
  88     visualState->isUrlEditable = (isUrlEditable());
  89     const QLineEdit *lineEdit = editor()->lineEdit();
  90     visualState->hasFocus = lineEdit->hasFocus();
  91     visualState->text = lineEdit->text();
  92     visualState->cursorPosition = lineEdit->cursorPosition();
  93     visualState->selectionStart = lineEdit->selectionStart();
  94     visualState->selectionLength = lineEdit->selectionLength();
  95     return visualState;
  96 }
  97
  98 void DolphinUrlNavigator::setVisualState(const VisualState &visualState)
  99 {
 100     setUrlEditable(visualState.isUrlEditable);
 101     if (!visualState.isUrlEditable) {
 102         return;
 103     }
 104     editor()->lineEdit()->setText(visualState.text);
 105     if (visualState.hasFocus) {
 106         editor()->lineEdit()->setFocus();
 107         editor()->lineEdit()->setCursorPosition(visualState.cursorPosition);
 108         if (visualState.selectionStart != -1) {
 109             editor()->lineEdit()->setSelection(visualState.selectionStart, visualState.selectionLength);
 110         }
 111     }
 112 }
 113
 114 void DolphinUrlNavigator::clearText() const
 115 {
 116     editor()->lineEdit()->clear();
 117 }
 118
 119 void DolphinUrlNavigator::setPlaceholderText(const QString &text)
 120 {
 121     editor()->lineEdit()->setPlaceholderText(text);
 122 }
 123
 124 void DolphinUrlNavigator::setReadOnlyBadgeVisible(bool visible)
 125 {
 126     QWidget *readOnlyBadge = badgeWidget();
 127     if (readOnlyBadge) {
 128         readOnlyBadge->setVisible(visible);
 129     }
 130 }
 131
 132 bool DolphinUrlNavigator::readOnlyBadgeVisible() const
 133 {
 134     QWidget *readOnlyBadge = badgeWidget();
 135     if (readOnlyBadge) {
 136         return readOnlyBadge->isVisible();
 137     }
 138     return false;
 139 }
 140
 141 void DolphinUrlNavigator::slotReturnPressed()
 142 {
 143     if (!GeneralSettings::editableUrl()) {
 144         setUrlEditable(false);
 145     }
 146 }
 147
 148 #include "moc_dolphinurlnavigator.cpp"