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303 lines
8.6 KiB
303 lines
8.6 KiB
//----------------------------------------------------------------------------
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// filename : tdemdichildarea.h
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//----------------------------------------------------------------------------
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// Project : KDE MDI extension
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//
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// begin : 07/1999 by Szymon Stefanek as part of kvirc
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// (an IRC application)
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// changes : 09/1999 by Falk Brettschneider to create an
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// - 06/2000 stand-alone Qt extension set of
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// classes and a Qt-based library
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// 2000-2003 maintained by the KDevelop project
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//
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// copyright : (C) 1999-2003 by Falk Brettschneider
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// and
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// Szymon Stefanek (stefanek@tin.it)
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// email : falkbr@kdevelop.org (Falk Brettschneider)
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//----------------------------------------------------------------------------
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//
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//----------------------------------------------------------------------------
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Library General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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//----------------------------------------------------------------------------
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#ifndef _TDEMDI_CHILD_AREA_H_
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#define _TDEMDI_CHILD_AREA_H_
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#include <tqframe.h>
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#include <tqptrlist.h>
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#include "tdemdichildfrm.h"
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#include "tdemdichildview.h"
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class KMdiChildAreaPrivate;
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/**
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* @short Internal class.
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*
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* The main frame widget KMdiMainFrm consists of 2 child widgets. One is this class.
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* It's the widget where the child frames (emulated toplevel MDI views) live in.
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* This class is the manager for the child frame widgets because it controls the
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* Z-order widget stack of KMdiChildFrm's.
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* It provides all placing and positioning algorithms for docked (attached) MDI views.
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*
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* KMdiChildArea doesn't know anything about the actual MDI views. It only knows
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* and manages the frame widgets of attached MDI views.
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* All actions and stuff concerning only to childframes are handled here.
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*/
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class KMDI_EXPORT KMdiChildArea : public TQFrame
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{
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friend class KMdiChildFrmCaption;
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friend class KMdiChildFrm;
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TQ_OBJECT
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// attributes
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public:
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/**
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* Z Order stack of KMdiChildFrm childframe windows (top=last)
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*/
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TQPtrList<KMdiChildFrm> *m_pZ; //Auto delete enabled
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/**
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* the default size of an newly created childframe
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*/
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TQSize m_defaultChildFrmSize;
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protected:
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/**
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* The MDI childframe window caption font
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*/
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TQFont m_captionFont;
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/**
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* The foreground color of the active MDI childframe window caption
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*/
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TQColor m_captionActiveBackColor;
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/**
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* The background color of the active MDI childframe window captions
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*/
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TQColor m_captionActiveForeColor;
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/**
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* The foreground color of inactive MDI childframe window captions
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*/
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TQColor m_captionInactiveBackColor;
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/**
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* The background color of inactive MDI childframe window captions
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*/
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TQColor m_captionInactiveForeColor;
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int m_captionFontLineSpacing;
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// methods
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public:
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/**
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* Consruction. Note: This class needn't to know about KMdiMainFrm .
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*/
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KMdiChildArea( TQWidget *parent );
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/**
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* Destructor : THERE should be no child windows anymore...
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* Howewer it simply deletes all the child widgets :)
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*/
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~KMdiChildArea();
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/**
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* Appends a new KMdiChildFrm to this manager.
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* The child is shown,raised and gets focus if this window has it.
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*/
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void manageChild( KMdiChildFrm *lpC, bool bShow = true, bool bCascade = true );
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/**
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* Destroys a managed KMdiChildFrm
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* Also deletes the client attached to this child.
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*/
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void destroyChild( KMdiChildFrm* child, bool focusTopChild = true );
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/**
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* Destroys a managed KMdiChildFrm
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* Clients attached to the KMdiChildFrm are not deleted.
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*/
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void destroyChildButNotItsView( KMdiChildFrm *lpC, bool bFocusTopChild = true );
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/**
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* Brings the child to the top of the stack
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* The child is focused if setFocus is true. If setFocus is false, the
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* child is just raised.
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*/
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void setTopChild( KMdiChildFrm* child, bool setFocus = false );
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/**
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* Returns the topmost child (the active one) or 0 if there are no children.
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* Note that the topmost child may be also hidded , if ALL the windows are minimized.
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*/
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inline KMdiChildFrm * topChild() const { return m_pZ->last(); }
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/**
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* Returns the number of visible children
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*/
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int getVisibleChildCount() const;
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/**
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* Calculates the cascade point for the given index. If index is -1
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* the cascade point is calculated for the window following the last window
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* @param indexOfWindow the index of the window in relation the z-ordered window list
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*/
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TQPoint getCascadePoint( int indexOfWindow = -1 );
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/**
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* Sets the MDI childframe window caption font
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* A relayout does not occur when using this function
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*/
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void setMdiCaptionFont( const TQFont &fnt );
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/**
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* Sets the foreground color of the active MDI childframe window caption
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* A relayout does not occur when using this function
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*/
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void setMdiCaptionActiveForeColor( const TQColor &clr );
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/**
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* Sets the background color of the active MDI childframe window captions
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* A relayout does not occur when using this function
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*/
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void setMdiCaptionActiveBackColor( const TQColor &clr );
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/**
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* Sets the foreground color of inactive MDI childframe window captions
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* A relayout does not occur when using this function
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*/
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void setMdiCaptionInactiveForeColor( const TQColor &clr );
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/**
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* Sets the background color of inactive MDI childframe window captions
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* A relayout does not occur when using this function
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*/
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void setMdiCaptionInactiveBackColor( const TQColor &clr );
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/**
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* Gets all caption colors, consistent with current WM settings
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* (or other Desktop settings e.g. system settings for win32)
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* This method is useful not only for KMDI child windows.
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* Colors are returned via activeBG, activeFG, inactiveBG, inactiveFG references.
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*
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* @deprecated Use TDEGlobalSettings::activeTitleColor(), TDEGlobalSettings::activeTextColor(),
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* TDEGlobalSettings::inactiveTitleColor() and TDEGlobalSettings::inactiveTextColor() instead.
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*/
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static void getCaptionColors( const TQPalette &pal, TQColor &activeBG, TQColor &activeFG,
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TQColor &inactiveBG, TQColor &inactiveFG ) KDE_DEPRECATED;
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public slots:
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/**
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* Cascades all windows resizing them to the minimum size.
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*/
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void cascadeWindows();
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/**
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* Cascades all windows resizing them to the maximum available size.
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*/
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void cascadeMaximized();
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/**
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* Maximize all windows but only in vertical direction
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*/
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void expandVertical();
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/**
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* Maximize all windows but only in horizontal direction
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*/
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void expandHorizontal();
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/**
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* Gives focus to the topmost child if it doesn't get focus
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* automatically or you want to wait to give it focus
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*/
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void focusTopChild();
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/**
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* Tile Pragma
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*/
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void tilePragma();
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/**
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* Tile Anodine
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*/
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void tileAnodine();
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/**
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* Tile all the windows in the child area vertically
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*/
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void tileVertically();
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/**
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* Position and layout the minimized child frames
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*/
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void layoutMinimizedChildren();
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protected:
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/**
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* Internally used for the tile algorithm
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*/
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void tileAllInternal( int maxWnds );
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/**
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* Automatically resizes a maximized MDI view and layouts the positions of minimized MDI views.
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*/
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virtual void resizeEvent( TQResizeEvent * );
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/**
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* Shows the 'Window' popup menu on right mouse button click
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*/
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void mousePressEvent( TQMouseEvent *e );
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/**
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* Internally used. Actions that are necessary when an MDI view gets minimized
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*/
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void childMinimized( KMdiChildFrm *lpC, bool bWasMaximized );
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signals:
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/**
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* Signals that there aren't maximized child frames any more
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*/
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void noMaximizedChildFrmLeft( KMdiChildFrm* );
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/**
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* Signals that the child frames are maximized now
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*/
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void nowMaximized( bool );
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/**
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* Signals a KMdiMainFrm that the signal/slot connections of the system buttons in the
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* menubar (only in Maximize mode) must be updated to another MDI view because the focused
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* MDI view has changed
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* @internal
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*/
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void sysButtonConnectionsMustChange( KMdiChildFrm*, KMdiChildFrm* );
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/**
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* Signals a KMdiMainFrm that the 'Window' popup menu must be shown
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* @internal
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*/
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void popupWindowMenu( TQPoint );
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/**
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* Signals that the last attached (docked) MDI view has been closed.
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* Note: Detached MDI views can remain.
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*/
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void lastChildFrmClosed();
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private:
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KMdiChildAreaPrivate *d;
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};
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#endif // _TDEMDI_CHILDAREA_H_
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