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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 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@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 KMDI_EXPORT 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;
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