k3dockwidget_private.h

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/* This file is part of the KDE libraries
   Copyright (C) 2000 Max Judin <novaprint@mtu-net.ru>
   Copyright (C) 2005 Dominik Haumann <dhdev@gmx.de>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

/*
   IMPORTANT Note: This file compiles also in Qt-only mode by using the NO_KDE2 precompiler definition
*/

#ifndef KDOCKWIDGET_PRIVATE_H
#define KDOCKWIDGET_PRIVATE_H

#include <kde3support_export.h>

#include <QtCore/QPointer>
#include <QtGui/QPushButton>
#include <QtGui/QWidget>
#include <Qt3Support/Q3PtrList>

#ifndef NO_KDE2
#include <netwm_def.h>
#endif

class QFrame;
class K3DockContainer;
class K3DockWidget;


class KDE3SUPPORT_EXPORT K3DockSplitter : public QWidget
{
  // NOTE: in theory the KDE3SUPPORT_EXPORT above shouldn't be there, but it's needed for kexi,
  // which copies the whole definition of the class to be able to access separatorPosInPercent etc. 
  // This needs real fixing in KDE4.
  
  Q_OBJECT
public:
  K3DockSplitter(QWidget *parent= 0, const char *name= 0, Qt::Orientation orient= Qt::Vertical, int pos= 50);
  virtual ~K3DockSplitter(){}

  void activate(QWidget *c0, QWidget *c1 = 0L);
  void deactivate();

  int separatorPosInPercent();
  void setSeparatorPosInPercent(int percent);

  int separatorPos() const;
  void setSeparatorPos(int pos, bool do_resize = true);
  // ### please come up with a nicer name
  void setSeparatorPosX(int pos, bool do_resize=false);

  virtual bool eventFilter(QObject *, QEvent *);
  virtual bool event( QEvent * );

  QWidget* getFirst() const { return child0; }
  QWidget* getLast() const { return child1; }
  QWidget* getAnother( QWidget* w ) const;
  void updateName();

  void setOpaqueResize(bool b=true);
  bool opaqueResize() const;

  void setKeepSize(bool b=true);
  bool keepSize() const;


  void setForcedFixedWidth(K3DockWidget *dw,int w);
  void setForcedFixedHeight(K3DockWidget *dw,int h);
  void restoreFromForcedFixedSize(K3DockWidget *dw);

  Qt::Orientation orientation(){return m_orientation;}

protected:
  friend class  K3DockContainer;
  int checkValue(int position) const;
  int checkValueOverlapped(int position, QWidget* child) const;

  virtual void resizeEvent(QResizeEvent *ev);

/*
protected Q_SLOTS:
  void delayedResize();*/

private:
  void setupMinMaxSize();
  QWidget *child0, *child1;
  Qt::Orientation m_orientation;
  bool initialised;
  QFrame* divider;
  int xpos, savedXPos;
  bool mOpaqueResize, mKeepSize;
  int fixedWidth0,fixedWidth1;
  int fixedHeight0,fixedHeight1;
  bool m_dontRecalc;
  static const int factor = 100000;
};

class KDE3SUPPORT_EXPORT K3DockButton_Private : public QPushButton
{
  Q_OBJECT
public:
  K3DockButton_Private( QWidget *parent=0, const char *name=0 );
  ~K3DockButton_Private();

protected:
  virtual void drawButton( QPainter * );
  virtual void enterEvent( QEvent * );
  virtual void leaveEvent( QEvent * );
  virtual void paintEvent( QPaintEvent * );

private:
  bool moveMouse;
};

class K3DockWidgetPrivate : public QObject
{
  Q_OBJECT
public:
  K3DockWidgetPrivate();
  ~K3DockWidgetPrivate();

public Q_SLOTS:
  void slotFocusEmbeddedWidget(QWidget* w = 0L);

public:
 enum K3DockWidgetResize
{ResizeLeft,ResizeTop,ResizeRight,ResizeBottom,ResizeBottomLeft,ResizeTopLeft,ResizeBottomRight,ResizeTopRight};

  int index;
  int splitPosInPercent;
  bool pendingFocusInEvent;
  bool blockHasUndockedSignal;
  bool pendingDtor;
  int forcedWidth;
  int forcedHeight;
  bool isContainer;

#ifndef NO_KDE2
  NET::WindowType windowType;
#endif

  QWidget *_parent;
  bool transient;

  QPointer<QWidget> container;

  QPoint resizePos;
  bool resizing;
  K3DockWidgetResize resizeMode;
};

class K3DockWidgetHeaderPrivate
   : public QObject
{
public:
  K3DockWidgetHeaderPrivate( QObject* parent )
        : QObject( parent )
  {
    forceCloseButtonHidden=false;
    toDesktopButton = 0;
    showToDesktopButton = true;
    topLevel = false;
    dummy=0;
  }
  K3DockButton_Private* toDesktopButton;

  bool showToDesktopButton;
  bool topLevel;
  Q3PtrList<K3DockButton_Private> btns;
  bool forceCloseButtonHidden;
  QWidget *dummy;
};

#endif