Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 219 insertions, 0 deletions

diff --git a/kmdi/kmditaskbar.h b/kmdi/kmditaskbar.h
new file mode 100644
index 000000000..f485fb864
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+++ b/kmdi/kmditaskbar.h
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+//----------------------------------------------------------------------------
+//    filename             : kmditaskbar.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 _KMDITASKBAR_H_
+#define _KMDITASKBAR_H_
+
+#include <ktoolbar.h>
+#include <qptrlist.h>
+#include <qpixmap.h>
+#include <qlabel.h>
+#include <qpushbutton.h>
+
+#include "kmdidefines.h"
+
+class KMdiMainFrm;
+class KMdiChildView;
+class KMdiTaskBar;
+
+class KMdiTaskBarButtonPrivate;
+
+/**
+  * @short Internal class.
+  *
+  * It's a special kind of QPushButton catching mouse clicks.
+  * And you have the ability to abbreviate the text that it fits in the button.
+  */
+class KMDI_EXPORT KMdiTaskBarButton : public QPushButton
+{
+	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.
+	*/
+	QString actualText() const;
+	/**
+	* Given the parameter newWidth this function possibly abbreviates the parameter string and sets a new button text.
+	*/
+	void fitText( const QString&, int newWidth );
+	/**
+	* Sets the text and avoids any abbreviation. Memorizes that text in m_actualText, too.
+	*/
+	void setText( const QString& );
+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 QString& );
+protected slots:
+	/**
+	* Reimplemented from its base class to catch right and left mouse button clicks
+	*/
+	void mousePressEvent( QMouseEvent* );
+
+	// attributes
+public:
+	/**
+	* The according MDI view
+	*/
+	KMdiChildView *m_pWindow;
+protected:
+	/**
+	* Internally we must remember the real text because the button text can be abbreviated.
+	*/
+	QString m_actualText;
+
+private:
+	KMdiTaskBarButtonPrivate *d;
+};
+
+
+class KMdiTaskBarPrivate;
+/**
+ * @short Internal class.
+ *
+ * It's a special kind of QToolBar 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 QPtrList of taskbar buttons (autodelete))
+	*/
+	KMdiTaskBar( KMdiMainFrm *parent, QMainWindow::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( QResizeEvent* );
+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).
+	*/
+	QPtrList<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
+	*/
+	QLabel* 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;
+