src/dolphinurlnavigator.cpp

   1 /*
   2     This file is part of the KDE project
   3     SPDX-FileCopyrightText: 2020 Felix Ernst <fe.a.ernst@gmail.com>
   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 "global.h"
  13
  14 #include <KUrlComboBox>
  15 #include <KLocalizedString>
  16
  17 #include <QAbstractButton>
  18 #include <QLayout>
  19 #include <QLineEdit>
  20
  21 DolphinUrlNavigator::DolphinUrlNavigator(QWidget *parent) :
  22     KUrlNavigator(DolphinPlacesModelSingleton::instance().placesModel(), QUrl(), parent)
  23 {
  24     init();
  25 }
  26
  27 DolphinUrlNavigator::DolphinUrlNavigator(const QUrl &url, QWidget *parent) :
  28     KUrlNavigator(DolphinPlacesModelSingleton::instance().placesModel(), url, parent)
  29 {
  30     init();
  31 }
  32
  33 void DolphinUrlNavigator::init()
  34 {
  35     const GeneralSettings* settings = GeneralSettings::self();
  36     setUrlEditable(settings->editableUrl());
  37     setShowFullPath(settings->showFullPath());
  38     setHomeUrl(Dolphin::homeUrl());
  39     setPlacesSelectorVisible(s_placesSelectorVisible);
  40     editor()->setCompletionMode(KCompletion::CompletionMode(settings->urlCompletionMode()));
  41     setWhatsThis(xi18nc("@info:whatsthis location bar",
  42         "<para>This describes the location of the files and folders "
  43         "displayed below.</para><para>The name of the currently viewed "
  44         "folder can be read at the very right. To the left of it is the "
  45         "name of the folder that contains it. The whole line is called "
  46         "the <emphasis>path</emphasis> to the current location because "
  47         "following these folders from left to right leads here.</para>"
  48         "<para>This interactive path "
  49         "is more powerful than one would expect. To learn more "
  50         "about the basic and advanced features of the location bar "
  51         "<link url='help:/dolphin/location-bar.html'>click here</link>. "
  52         "This will open the dedicated page in the Handbook.</para>"));
  53
  54     s_instances.push_front(this);
  55
  56     connect(this, &DolphinUrlNavigator::returnPressed,
  57             this, &DolphinUrlNavigator::slotReturnPressed);
  58     connect(editor(), &KUrlComboBox::completionModeChanged,
  59             this, DolphinUrlNavigator::setCompletionMode);
  60 }
  61
  62 DolphinUrlNavigator::~DolphinUrlNavigator()
  63 {
  64     s_instances.remove(this);
  65 }
  66
  67 QSize DolphinUrlNavigator::sizeHint() const
  68 {
  69     // Change sizeHint() in KUrlNavigator instead.
  70     if (isUrlEditable()) {
  71         return editor()->lineEdit()->sizeHint();
  72     }
  73     int widthHint = 0;
  74     for (int i = 0; i < layout()->count(); ++i) {
  75         QWidget *widget = layout()->itemAt(i)->widget();
  76         const QAbstractButton *button = qobject_cast<QAbstractButton *>(widget);
  77         if (button && button->icon().isNull()) {
  78             widthHint += widget->minimumSizeHint().width();
  79         }
  80     }
  81     return QSize(widthHint, KUrlNavigator::sizeHint().height());
  82 }
  83
  84 std::unique_ptr<DolphinUrlNavigator::VisualState> DolphinUrlNavigator::visualState() const
  85 {
  86     std::unique_ptr<VisualState> visualState{new VisualState};
  87     visualState->isUrlEditable = (isUrlEditable());
  88     const QLineEdit *lineEdit = editor()->lineEdit();
  89     visualState->hasFocus = lineEdit->hasFocus();
  90     visualState->text = lineEdit->text();
  91     visualState->cursorPosition = lineEdit->cursorPosition();
  92     visualState->selectionStart = lineEdit->selectionStart();
  93     visualState->selectionLength = lineEdit->selectionLength();
  94     return visualState;
  95 }
  96
  97 void DolphinUrlNavigator::setVisualState(const VisualState& visualState)
  98 {
  99     setUrlEditable(visualState.isUrlEditable);
 100     if (!visualState.isUrlEditable) {
 101         return;
 102     }
 103     editor()->lineEdit()->setText(visualState.text);
 104     if (visualState.hasFocus) {
 105         editor()->lineEdit()->setFocus();
 106         editor()->lineEdit()->setCursorPosition(visualState.cursorPosition);
 107         if (visualState.selectionStart != -1) {
 108             editor()->lineEdit()->setSelection(visualState.selectionStart, visualState.selectionLength);
 109         }
 110     }
 111 }
 112
 113 void DolphinUrlNavigator::slotReadSettings()
 114 {
 115     // The startup settings should (only) get applied if they have been
 116     // modified by the user. Otherwise keep the (possibly) different current
 117     // settings of the URL navigators and split view.
 118     if (GeneralSettings::modifiedStartupSettings()) {
 119         for (DolphinUrlNavigator *urlNavigator : s_instances) {
 120             urlNavigator->setUrlEditable(GeneralSettings::editableUrl());
 121             urlNavigator->setShowFullPath(GeneralSettings::showFullPath());
 122             urlNavigator->setHomeUrl(Dolphin::homeUrl());
 123         }
 124     }
 125 }
 126
 127 void DolphinUrlNavigator::slotReturnPressed()
 128 {
 129     if (!GeneralSettings::editableUrl()) {
 130         setUrlEditable(false);
 131     }
 132 }
 133
 134 void DolphinUrlNavigator::slotPlacesPanelVisibilityChanged(bool visible)
 135 {
 136     // The places-selector from the URL navigator should only be shown
 137     // if the places dock is invisible
 138     s_placesSelectorVisible = !visible;
 139
 140     for (DolphinUrlNavigator *urlNavigator : s_instances) {
 141         urlNavigator->setPlacesSelectorVisible(s_placesSelectorVisible);
 142     }
 143 }
 144
 145 void DolphinUrlNavigator::setCompletionMode(const KCompletion::CompletionMode completionMode)
 146 {
 147     if (completionMode != GeneralSettings::urlCompletionMode())
 148     {
 149         GeneralSettings::setUrlCompletionMode(completionMode);
 150         for (const DolphinUrlNavigator *urlNavigator : s_instances)
 151         {
 152             urlNavigator->editor()->setCompletionMode(completionMode);
 153         }
 154     }
 155 }
 156
 157 std::forward_list<DolphinUrlNavigator *> DolphinUrlNavigator::s_instances;
 158 bool DolphinUrlNavigator::s_placesSelectorVisible = true;