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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* * KButtonBox class * * A container widget for buttons. Uses Qt layout control to place the * buttons, can handle both vertical and horizontal button placement. * The default border is now 0 (easier to deal with layouts). The space * between buttons is now more Motif compliant */ #ifndef __KBUTTONBOX__H__ #define __KBUTTONBOX__H__ #include <qwidget.h> #include <qpushbutton.h> #include <qlist.h> /** * This class is used internally. */ class KButtonBoxItem { public: QPushButton *button; bool noexpand; int stretch; int actual_size; }; class KButtonBox : public QWidget { Q_OBJECT public: enum { VERTICAL = 1, HORIZONTAL = 2 }; /** * Creates an empty container for buttons. If _orientation is * KButtonBox::VERTICAL, the buttons inserted with @see addButton * are layouted from top to bottom, otherwise they are layouted * from left to right. */ KButtonBox(QWidget *parent, int _orientation = HORIZONTAL, int border = 0, int _autoborder = 6); /** * The destructor is needed, otherwise gcc 2.7.2.1 may report an * internal compiler error. It does nothing. */ ~KButtonBox(); /** * @return the minimum size needed to fit all buttons. This size is * calculated by the with/height of all buttons plus border/autoborder */ virtual QSize sizeHint() const; virtual void resizeEvent(QResizeEvent *); /** * adds a new @see QPushButton and @return a pointer to the newly * created button. If noexpand is FALSE, the width of the button is * adjusted to fit the other buttons (the maximum of all buttons is * taken). If noexpand is TRUE, the width of this button will be * set to the minimum width needed for the given text). */ QPushButton *addButton(const char *text, bool noexpand = FALSE); /** * This adds a stretch to the buttonbox. @see QBoxLayout for details. * Can be used to separate buttons (i.e. if you add the buttons "OK", * "Cancel", add a stretch and then add the button "Help", "OK" and * "Cancel" will be left-aligned (or top-aligned for vertical) while * "Help" will be right-aligned (or bottom-aligned for vertical). */ void addStretch(int scale = 1); /** * This function must be called ONCE after all buttons have been * inserted. It will start layout control. */ void layout(); 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: int _border, _autoborder; int orientation; bool activated; QList<KButtonBoxItem> buttons; }; #endif
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