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