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+//----------------------------------------------------------------------------
+// filename : kmdichildarea.h
+//----------------------------------------------------------------------------
+// Project : KDE MDI extension
+//
+// begin : 07/1999 by Szymon Stefanek as part of kvirc
+// (an IRC application)
+// changes : 09/1999 by Falk Brettschneider to create an
+// - 06/2000 stand-alone Qt extension set of
+// classes and a Qt-based library
+// 2000-2003 maintained by the KDevelop project
+//
+// copyright : (C) 1999-2003 by Falk Brettschneider
+// and
+// Szymon Stefanek (stefanek@tin.it)
+// email : falkbr@kdevelop.org (Falk Brettschneider)
+//----------------------------------------------------------------------------
+//
+//----------------------------------------------------------------------------
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU Library General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+//----------------------------------------------------------------------------
+
+#ifndef _KMDI_CHILD_AREA_H_
+#define _KMDI_CHILD_AREA_H_
+
+#include <qframe.h>
+#include <qptrlist.h>
+
+#include "kmdichildfrm.h"
+#include "kmdichildview.h"
+
+class KMdiChildAreaPrivate;
+
+/**
+ * @short Internal class.
+ *
+ * The main frame widget KMdiMainFrm consists of 2 child widgets. One is this class.
+ * It's the widget where the child frames (emulated toplevel MDI views) live in.
+ * This class is the manager for the child frame widgets because it controls the
+ * Z-order widget stack of KMdiChildFrm's.
+ * It provides all placing and positioning algorithms for docked (attached) MDI views.
+ *
+ * KMdiChildArea doesn't know anything about the actual MDI views. It only knows
+ * and manages the frame widgets of attached MDI views.
+ * All actions and stuff concerning only to childframes are handled here.
+ */
+class KMDI_EXPORT KMdiChildArea : public QFrame
+{
+ friend class KMdiChildFrmCaption;
+ friend class KMdiChildFrm;
+
+Q_OBJECT
+
+ // attributes
+public:
+ /**
+ * Z Order stack of KMdiChildFrm childframe windows (top=last)
+ */
+ QPtrList<KMdiChildFrm> *m_pZ; //Auto delete enabled
+
+ /**
+ * the default size of an newly created childframe
+ */
+ QSize m_defaultChildFrmSize;
+protected:
+ /**
+ * The MDI childframe window caption font
+ */
+ QFont m_captionFont;
+
+ /**
+ * The foreground color of the active MDI childframe window caption
+ */
+ QColor m_captionActiveBackColor;
+
+ /**
+ * The background color of the active MDI childframe window captions
+ */
+ QColor m_captionActiveForeColor;
+
+ /**
+ * The foreground color of inactive MDI childframe window captions
+ */
+ QColor m_captionInactiveBackColor;
+
+ /**
+ * The background color of inactive MDI childframe window captions
+ */
+ QColor m_captionInactiveForeColor;
+
+ int m_captionFontLineSpacing;
+
+ // methods
+public:
+
+ /**
+ * Consruction. Note: This class needn't to know about KMdiMainFrm .
+ */
+ KMdiChildArea( QWidget *parent );
+
+ /**
+ * Destructor : THERE should be no child windows anymore...
+ * Howewer it simply deletes all the child widgets :)
+ */
+ ~KMdiChildArea();
+
+ /**
+ * Appends a new KMdiChildFrm to this manager.
+ * The child is shown,raised and gets focus if this window has it.
+ */
+ void manageChild( KMdiChildFrm *lpC, bool bShow = true, bool bCascade = true );
+
+ /**
+ * Destroys a managed KMdiChildFrm
+ * Also deletes the client attached to this child.
+ */
+ void destroyChild( KMdiChildFrm* child, bool focusTopChild = true );
+
+ /**
+ * Destroys a managed KMdiChildFrm
+ * Clients attached to the KMdiChildFrm are not deleted.
+ * @param child
+ */
+ void destroyChildButNotItsView( KMdiChildFrm *lpC, bool bFocusTopChild = true );
+
+ /**
+ * Brings the child @p child to the top of the stack
+ * The child is focused if @p setFocus is true. If setFocus is false, the
+ * child is just raised.
+ * @param child
+ */
+ void setTopChild( KMdiChildFrm* child, bool setFocus = false );
+
+ /**
+ * Returns the topmost child (the active one) or 0 if there are no children.
+ * Note that the topmost child may be also hidded , if ALL the windows are minimized.
+ */
+ inline KMdiChildFrm * topChild() const { return m_pZ->last(); }
+
+ /**
+ * Returns the number of visible children
+ */
+ int getVisibleChildCount() const;
+
+ /**
+ * Calculates the cascade point for the given index. If index is -1
+ * the cascade point is calculated for the window following the last window
+ * @param indexOfWindow the index of the window in relation the z-ordered window list
+ */
+ QPoint getCascadePoint( int indexOfWindow = -1 );
+
+ /**
+ * Sets the MDI childframe window caption font
+ * A relayout does not occur when using this function
+ */
+ void setMdiCaptionFont( const QFont &fnt );
+
+ /**
+ * Sets the foreground color of the active MDI childframe window caption
+ * A relayout does not occur when using this function
+ */
+ void setMdiCaptionActiveForeColor( const QColor &clr );
+
+ /**
+ * Sets the background color of the active MDI childframe window captions
+ * A relayout does not occur when using this function
+ */
+ void setMdiCaptionActiveBackColor( const QColor &clr );
+
+ /**
+ * Sets the foreground color of inactive MDI childframe window captions
+ * A relayout does not occur when using this function
+ */
+ void setMdiCaptionInactiveForeColor( const QColor &clr );
+
+ /**
+ * Sets the background color of inactive MDI childframe window captions
+ * A relayout does not occur when using this function
+ */
+ void setMdiCaptionInactiveBackColor( const QColor &clr );
+
+ /**
+ * Gets all caption colors, consistent with current WM settings
+ * (or other Desktop settings e.g. system settings for win32)
+ * This method is useful not only for KMDI child windows.
+ * Colors are returned via activeBG, activeFG, inactiveBG, inactiveFG references.
+ *
+ * @deprecated Use KGlobalSettings::activeTitleColor(), KGlobalSettings::activeTextColor(),
+ * KGlobalSettings::inactiveTitleColor() and KGlobalSettings::inactiveTextColor() instead.
+ */
+ static void getCaptionColors( const QPalette &pal, QColor &activeBG, QColor &activeFG,
+ QColor &inactiveBG, QColor &inactiveFG ) KDE_DEPRECATED;
+
+public slots:
+ /**
+ * Cascades all windows resizing them to the minimum size.
+ */
+ void cascadeWindows();
+
+ /**
+ * Cascades all windows resizing them to the maximum available size.
+ */
+ void cascadeMaximized();
+
+ /**
+ * Maximize all windows but only in vertical direction
+ */
+ void expandVertical();
+
+ /**
+ * Maximize all windows but only in horizontal direction
+ */
+ void expandHorizontal();
+
+ /**
+ * Gives focus to the topmost child if it doesn't get focus
+ * automatically or you want to wait to give it focus
+ */
+ void focusTopChild();
+
+ /**
+ * Tile Pragma
+ */
+ void tilePragma();
+
+ /**
+ * Tile Anodine
+ */
+ void tileAnodine();
+
+ /**
+ * Tile all the windows in the child area vertically
+ */
+ void tileVertically();
+
+ /**
+ * Position and layout the minimized child frames
+ */
+ void layoutMinimizedChildren();
+
+protected:
+
+ /**
+ * Internally used for the tile algorithm
+ */
+ void tileAllInternal( int maxWnds );
+
+ /**
+ * Automatically resizes a maximized MDI view and layouts the positions of minimized MDI views.
+ */
+ virtual void resizeEvent( QResizeEvent * );
+
+ /**
+ * Shows the 'Window' popup menu on right mouse button click
+ */
+ void mousePressEvent( QMouseEvent *e );
+
+ /**
+ * Internally used. Actions that are necessary when an MDI view gets minimized
+ */
+ void childMinimized( KMdiChildFrm *lpC, bool bWasMaximized );
+
+signals:
+ /**
+ * Signals that there aren't maximized child frames any more
+ */
+ void noMaximizedChildFrmLeft( KMdiChildFrm* );
+
+ /**
+ * Signals that the child frames are maximized now
+ */
+ void nowMaximized( bool );
+
+ /**
+ * Signals a KMdiMainFrm that the signal/slot connections of the system buttons in the
+ * menubar (only in Maximize mode) must be updated to another MDI view because the focused
+ * MDI view has changed
+ * @internal
+ */
+ void sysButtonConnectionsMustChange( KMdiChildFrm*, KMdiChildFrm* );
+
+ /**
+ * Signals a KMdiMainFrm that the 'Window' popup menu must be shown
+ * @internal
+ */
+ void popupWindowMenu( QPoint );
+
+ /**
+ * Signals that the last attached (docked) MDI view has been closed.
+ * Note: Detached MDI views can remain.
+ */
+ void lastChildFrmClosed();
+
+private:
+
+ KMdiChildAreaPrivate *d;
+};
+
+#endif // _KMDICHILDAREA_H_
+
+// kate: indent-mode csands; tab-width 4; auto-insert-doxygen on;