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+//----------------------------------------------------------------------------
+// filename : tdemditaskbar.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 TQt extension set of
+// classes and a TQt-based library
+// 2000-2003 maintained by the KDevelop project
+//
+// copyright : (C) 1999-2003 by Falk Brettschneider
+// and
+// Szymon Stefanek (stefanek@tin.it)
+// email : falkbr@tdevelop.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 _KMDITASKBAR_H_
+#define _KMDITASKBAR_H_
+
+#include <ktoolbar.h>
+#include <tqptrlist.h>
+#include <tqpixmap.h>
+#include <tqlabel.h>
+#include <tqpushbutton.h>
+
+#include "tdemdidefines.h"
+
+class KMdiMainFrm;
+class KMdiChildView;
+class KMdiTaskBar;
+
+class KMdiTaskBarButtonPrivate;
+
+/**
+ * @short Internal class.
+ *
+ * It's a special kind of TQPushButton catching mouse clicks.
+ * And you have the ability to abbreviate the text that it fits in the button.
+ */
+class KMdiTaskBarButton : public TQPushButton
+{
+ Q_OBJECT
+
+ // methods
+public:
+ /**
+ * Constructor (sets to toggle button, adds a tooltip (caption) and sets to NoFocus
+ */
+ KMdiTaskBarButton( KMdiTaskBar *pTaskBar, KMdiChildView *win_ptr );
+ /**
+ * Destructor
+ */
+ ~KMdiTaskBarButton();
+ /**
+ * text() returns the possibly abbreviated text including the dots in it. But actualText() returns the full text.
+ */
+ TQString actualText() const;
+ /**
+ * Given the parameter newWidth this function possibly abbreviates the parameter string and sets a new button text.
+ */
+ void fitText( const TQString&, int newWidth );
+ /**
+ * Sets the text and avoids any abbreviation. Memorizes that text in m_actualText, too.
+ */
+ void setText( const TQString& );
+signals:
+ /**
+ * Emitted when the button has been clicked. Internally connected to setFocus of the according MDI view.
+ */
+ void clicked( KMdiChildView* );
+ /**
+ * Internally connected with KMdiMainFrm::activateView
+ */
+ void leftMouseButtonClicked( KMdiChildView* );
+ /**
+ * Internally connected with KMdiMainFrm::taskbarButtonRightClicked
+ */
+ void rightMouseButtonClicked( KMdiChildView* );
+ /**
+ * Emitted when the button text has changed. Internally connected with KMdiTaskBar::layoutTaskBar
+ */
+ void buttonTextChanged( int );
+public slots:
+ /**
+ * A slot version of setText
+ */
+ void setNewText( const TQString& );
+protected slots:
+ /**
+ * Reimplemented from its base class to catch right and left mouse button clicks
+ */
+ void mousePressEvent( TQMouseEvent* );
+
+ // attributes
+public:
+ /**
+ * The according MDI view
+ */
+ KMdiChildView *m_pWindow;
+protected:
+ /**
+ * Internally we must remember the real text because the button text can be abbreviated.
+ */
+ TQString m_actualText;
+
+private:
+ KMdiTaskBarButtonPrivate *d;
+};
+
+
+class KMdiTaskBarPrivate;
+/**
+ * @short Internal class.
+ *
+ * It's a special kind of TQToolBar that acts as taskbar for child views.
+ * KMdiTaskBarButtons can be added or removed dynamically.<br>
+ * The button sizes are adjusted dynamically, as well.
+ */
+class KMDI_EXPORT KMdiTaskBar : public KToolBar
+{
+ Q_OBJECT
+
+public:
+ /**
+ * Constructor (NoFocus, minimum width = 1, an internal TQPtrList of taskbar buttons (autodelete))
+ */
+ KMdiTaskBar( KMdiMainFrm *parent, TQMainWindow::ToolBarDock dock );
+ /**
+ * Destructor (deletes the taskbar button list)
+ */
+ ~KMdiTaskBar();
+ /**
+ *Add a new KMdiTaskBarButton . The width doesn't change.
+ * If there's not enough space, all taskbar buttons will be resized to a new smaller size.
+ * Probably button texts must be abbreviated now.
+ */
+ KMdiTaskBarButton * addWinButton( KMdiChildView *win_ptr );
+ /**
+ * Removes a KMdiTaskBarButton and deletes it. If the rest of the buttons are smaller
+ * than they usually are, all those buttons will be resized in a way that the new free size is used as well.
+ */
+ void removeWinButton( KMdiChildView *win_ptr, bool haveToLayoutTaskBar = true );
+ /**
+ * Returns the neighbor taskbar button of the taskbar button of the MDI view given by parameter
+ * bRight specifies the side, of course left is used if bRight is false.
+ */
+ KMdiTaskBarButton * getNextWindowButton( bool bRight, KMdiChildView *win_ptr );
+ /**
+ * Get the button belonging to the MDI view given as parameter.
+ */
+ KMdiTaskBarButton * getButton( KMdiChildView *win_ptr );
+ /**
+ * Switch it on or off.
+ */
+ void switchOn( bool bOn );
+ /**
+ * @return whether switched on or off.
+ */
+ bool isSwitchedOn() const
+ {
+ return m_bSwitchedOn;
+ };
+protected:
+ /**
+ * Reimplemented from its base class to call layoutTaskBar, additionally.
+ */
+ void resizeEvent( TQResizeEvent* );
+protected slots:
+ /**
+ * Checks if all buttons fits into this. If not, it recalculates all button widths
+ * in a way that all buttons fits into the taskbar and have got equal width.
+ * The text of the buttons will be abbreviated when nessecary, all buttons get a
+ * fixed width and show() is called for each one.
+ * If one drags the taskbar to a vertical orientation, the button width is set to 80 pixel.
+ */
+ void layoutTaskBar( int taskBarWidth = 0 );
+public slots:
+ /**
+ * Pushes the desired taskbar button down (switch on), the old one is released (switched off).
+ * Actually it's a radiobutton group behavior.
+ */
+ void setActiveButton( KMdiChildView *win_ptr );
+protected:
+ /**
+ * A list of taskbar buttons.
+ * Note: Each button stands for one MDI view (toolviews doesn't have got a taskbar button).
+ */
+ TQPtrList<KMdiTaskBarButton>* m_pButtonList;
+ /**
+ * The belonging MDI mainframe (parent widget of this)
+ */
+ KMdiMainFrm* m_pFrm;
+ /**
+ * The MDI view belonging to the currently pressed taskbar button
+ */
+ KMdiChildView* m_pCurrentFocusedWindow;
+ /**
+ * A stretchable widget used as 'space' at the end of a half filled taskbar
+ */
+ TQLabel* m_pStretchSpace;
+ bool m_layoutIsPending;
+ bool m_bSwitchedOn;
+
+private:
+ KMdiTaskBarPrivate *d;
+};
+
+#endif //_KMDITASKBAR_H_
+// kate: space-indent off; tab-width 4; replace-tabs off; indent-mode csands;
+