src/dolphindockwidget.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2010 Peter Penz <peter.penz19@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #include "dolphindockwidget.h"
   8
   9 #include <QStyle>
  10
  11 namespace
  12 {
  13 // Disable the 'Floatable' feature, i.e., the possibility to drag the
  14 // dock widget out of the main window. This works around problems like
  15 // https://bugs.kde.org/show_bug.cgi?id=288629
  16 // https://bugs.kde.org/show_bug.cgi?id=322299
  17 const QDockWidget::DockWidgetFeatures DefaultDockWidgetFeatures = QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetClosable;
  18 }
  19
  20 // Empty titlebar for the dock widgets when "Lock Layout" has been activated.
  21 class DolphinDockTitleBar : public QWidget
  22 {
  23     Q_OBJECT
  24
  25 public:
  26     explicit DolphinDockTitleBar(QWidget *parent = nullptr)
  27         : QWidget(parent)
  28     {
  29     }
  30     ~DolphinDockTitleBar() override
  31     {
  32     }
  33
  34     QSize minimumSizeHint() const override
  35     {
  36         const int border = style()->pixelMetric(QStyle::PM_DockWidgetTitleBarButtonMargin);
  37         return QSize(border, border);
  38     }
  39
  40     QSize sizeHint() const override
  41     {
  42         return minimumSizeHint();
  43     }
  44 };
  45
  46 DolphinDockWidget::DolphinDockWidget(const QString &title, QWidget *parent, Qt::WindowFlags flags)
  47     : QDockWidget(title, parent, flags)
  48     , m_locked(false)
  49     , m_dockTitleBar(nullptr)
  50 {
  51     setFeatures(DefaultDockWidgetFeatures);
  52 }
  53
  54 DolphinDockWidget::~DolphinDockWidget()
  55 {
  56 }
  57
  58 void DolphinDockWidget::setLocked(bool lock)
  59 {
  60     if (lock != m_locked) {
  61         m_locked = lock;
  62
  63         if (lock) {
  64             if (!m_dockTitleBar) {
  65                 m_dockTitleBar = new DolphinDockTitleBar(this);
  66             }
  67             setTitleBarWidget(m_dockTitleBar);
  68             setFeatures(QDockWidget::NoDockWidgetFeatures);
  69         } else {
  70             setTitleBarWidget(nullptr);
  71             setFeatures(DefaultDockWidgetFeatures);
  72         }
  73     }
  74 }
  75
  76 bool DolphinDockWidget::isLocked() const
  77 {
  78     return m_locked;
  79 }
  80
  81 #include "dolphindockwidget.moc"
  82 #include "moc_dolphindockwidget.cpp"