src/dolphindockwidget.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2010 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "dolphindockwidget.h"
  21
  22 #include <QStyle>
  23
  24 namespace {
  25     // Disable the 'Floatable' feature, i.e., the possibility to drag the
  26     // dock widget out of the main window. This works around problems like
  27     // https://bugs.kde.org/show_bug.cgi?id=288629
  28     // https://bugs.kde.org/show_bug.cgi?id=322299
  29     const QDockWidget::DockWidgetFeatures DefaultDockWidgetFeatures = QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetClosable;
  30 }
  31
  32  // Empty titlebar for the dock widgets when "Lock Layout" has been activated.
  33 class DolphinDockTitleBar : public QWidget
  34 {
  35 public:
  36     DolphinDockTitleBar(QWidget* parent = 0) : QWidget(parent) {}
  37     virtual ~DolphinDockTitleBar() {}
  38
  39     virtual QSize minimumSizeHint() const
  40     {
  41         const int border = style()->pixelMetric(QStyle::PM_DockWidgetTitleBarButtonMargin);
  42         return QSize(border, border);
  43     }
  44
  45     virtual QSize sizeHint() const
  46     {
  47         return minimumSizeHint();
  48     }
  49 };
  50
  51 DolphinDockWidget::DolphinDockWidget(const QString& title, QWidget* parent, Qt::WindowFlags flags) :
  52     QDockWidget(title, parent, flags),
  53     m_locked(false),
  54     m_dockTitleBar(0)
  55 {
  56     setFeatures(DefaultDockWidgetFeatures);
  57 }
  58
  59 DolphinDockWidget::DolphinDockWidget(QWidget* parent, Qt::WindowFlags flags) :
  60     QDockWidget(parent, flags),
  61     m_locked(false),
  62     m_dockTitleBar(0)
  63 {
  64     setFeatures(DefaultDockWidgetFeatures);
  65 }
  66
  67 DolphinDockWidget::~DolphinDockWidget()
  68 {
  69 }
  70
  71 void DolphinDockWidget::setLocked(bool lock)
  72 {
  73     if (lock != m_locked) {
  74         m_locked = lock;
  75
  76         if (lock) {
  77             if (!m_dockTitleBar) {
  78                 m_dockTitleBar = new DolphinDockTitleBar(this);
  79             }
  80             setTitleBarWidget(m_dockTitleBar);
  81             setFeatures(QDockWidget::NoDockWidgetFeatures);
  82         } else {
  83             setTitleBarWidget(0);
  84             setFeatures(DefaultDockWidgetFeatures);
  85         }
  86     }
  87 }
  88
  89 bool DolphinDockWidget::isLocked() const
  90 {
  91     return m_locked;
  92 }
  93
  94 #include "dolphindockwidget.moc"