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/* This file is part of the KDE libraries
Copyright (C) 1997 Mario Weilguni (mweilguni@sime.com)
This library 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.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef __KBUTTONBOX__H__
#define __KBUTTONBOX__H__
#include <kdelibs_export.h>
#include <qwidget.h>
class QPushButton;
class KGuiItem;
class KButtonBoxPrivate;
/**
* Container widget for buttons.
*
* This class uses Qt layout control to place the buttons; can handle
* both vertical and horizontal button placement. The default border
* is now @p 0 (making it easier to deal with layouts). The space
* between buttons is now more Motif compliant.
*
* @author Mario Weilguni <mweilguni@sime.com>
* @version $Id$
**/
class KDEUI_EXPORT KButtonBox : public QWidget
{
Q_OBJECT
public:
/**
* Create an empty container for buttons.
*
* If @p _orientation is @p Vertical, the buttons inserted with
* addButton() are laid out from top to bottom, otherwise they
* are laid out from left to right.
*/
KButtonBox(QWidget *parent, Orientation _orientation = Horizontal,
int border = 0, int _autoborder = 6);
/**
* Free private data field
*/
~KButtonBox();
/**
* @return The minimum size needed to fit all buttons.
*
* This size is
* calculated by the width/height of all buttons plus border/autoborder.
*/
virtual QSize sizeHint() const;
virtual QSizePolicy sizePolicy() const;
virtual void resizeEvent(QResizeEvent *);
/**
* Add a new QPushButton.
*
* @param text the text of the button to add
* @param noexpand If @p noexpand is @p false, the width
* of the button is adjusted to fit the other buttons (the maximum
* of all buttons is taken). If @p noexpand is @p true, the width of this
* button will be set to the minimum width needed for the given text).
*
* @return A pointer to the new button.
*/
QPushButton *addButton(const QString& text, bool noexpand = false);
/**
* Add a new QPushButton.
*
* @param text the text of the button to add.
* @param receiver An object to connect to.
* @param slot A Qt slot to connect the 'clicked()' signal to.
* @param noexpand If @p noexpand is @p false, the width
* of the button is adjusted to fit the other buttons (the maximum
* of all buttons is taken). If @p noexpand @p true, the width of this
* button will be set to the minimum width needed for the given text).
*
* @return A pointer to the new button.
*/
QPushButton *addButton(const QString& text, QObject * receiver, const char * slot, bool noexpand = false);
/**
* Add a new QPushButton.
*
* @param guiitem text and icon on the button
* @param noexpand If @p noexpand is @p false, the width
* of the button is adjusted to fit the other buttons (the maximum
* of all buttons is taken). If @p noexpand is @p true, the width of this
* button will be set to the minimum width needed for the given text).
*
* @return A pointer to the new button.
*
* @since 3.3
*/
QPushButton *addButton(const KGuiItem& guiitem, bool noexpand = false);
/**
* Add a new QPushButton.
*
* @param guiitem text and icon on the button
* @param receiver An object to connect to.
* @param slot A Qt slot to connect the 'clicked()' signal to.
* @param noexpand If @p noexpand is @p false, the width
* of the button is adjusted to fit the other buttons (the maximum
* of all buttons is taken). If @p noexpand @p true, the width of this
* button will be set to the minimum width needed for the given text).
*
* @return A pointer to the new button.
*
* @since 3.3
*/
QPushButton *addButton(const KGuiItem& guiitem, QObject * receiver, const char * slot, bool noexpand = false);
/**
* Add a stretch to the buttonbox.
*
* Can be used to separate buttons. That is, if you add the
* buttons OK and Cancel, add a stretch, and then add the button Help,
* the buttons OK and Cancel will be left-aligned (or top-aligned
* for vertical) whereas Help will be right-aligned (or
* bottom-aligned for vertical).
*
* @see QBoxLayout
*/
void addStretch(int scale = 1);
/**
* This function must be called @em once after all buttons have been
* inserted.
*
* It will start layout control.
*/
void layout();
public: // as PrivateData needs Item, it has to be exported
class Item;
protected:
/**
* @return the best size for a button. Checks all buttons and takes
* the maximum width/height.
*/
QSize bestButtonSize() const;
void placeButtons();
QSize buttonSizeHint(QPushButton *) const;
protected:
virtual void virtual_hook( int id, void* data );
private:
KButtonBoxPrivate* const data;
};
#endif
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