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-rw-r--r--kdeui/karrowbutton.cpp113
1 files changed, 113 insertions, 0 deletions
diff --git a/kdeui/karrowbutton.cpp b/kdeui/karrowbutton.cpp
new file mode 100644
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+++ b/kdeui/karrowbutton.cpp
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+/* This file is part of the KDE libraries
+ Copyright (C) 2001 Frerich Raabe <raabe@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License version 2 as published by the Free Software Foundation.
+
+ 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.
+*/
+
+#include "karrowbutton.h"
+
+#include <qstyle.h>
+#include <qpainter.h>
+
+class KArrowButtonPrivate
+{
+ public:
+ Qt::ArrowType arrow;
+};
+
+KArrowButton::KArrowButton(QWidget *parent, Qt::ArrowType arrow,
+ const char *name)
+ : QPushButton(parent, name)
+{
+ d = new KArrowButtonPrivate();
+ d->arrow = arrow;
+}
+
+KArrowButton::~KArrowButton()
+{
+ delete d;
+}
+
+QSize KArrowButton::sizeHint() const
+{
+ return QSize( 12, 12 );
+}
+
+void KArrowButton::setArrowType(Qt::ArrowType a)
+{
+ if (d->arrow != a) {
+ d->arrow = a;
+ repaint();
+ }
+}
+Qt::ArrowType KArrowButton::arrowType() const
+{
+ return d->arrow;
+}
+
+void KArrowButton::drawButton(QPainter *p)
+{
+ const unsigned int arrowSize = 8;
+ const unsigned int margin = 2;
+
+ p->fillRect( rect(), colorGroup().brush( QColorGroup::Background ) );
+ style().drawPrimitive( QStyle::PE_Panel, p, QRect( 0, 0, width(), height() ),
+ colorGroup(),
+ isDown() ? QStyle::Style_Sunken : QStyle::Style_Default,
+ QStyleOption( 2, 0 ) );
+
+ if (static_cast<unsigned int>(width()) < arrowSize + margin ||
+ static_cast<unsigned int>(height()) < arrowSize + margin)
+ return; // don't draw arrows if we are too small
+
+ unsigned int x = 0, y = 0;
+ if (d->arrow == DownArrow) {
+ x = (width() - arrowSize) / 2;
+ y = height() - (arrowSize + margin);
+ } else if (d->arrow == UpArrow) {
+ x = (width() - arrowSize) / 2;
+ y = margin;
+ } else if (d->arrow == RightArrow) {
+ x = width() - (arrowSize + margin);
+ y = (height() - arrowSize) / 2;
+ } else { // arrowType == LeftArrow
+ x = margin;
+ y = (height() - arrowSize) / 2;
+ }
+
+ if (isDown()) {
+ x++;
+ y++;
+ }
+
+ QStyle::PrimitiveElement e = QStyle::PE_ArrowLeft;
+ switch (d->arrow)
+ {
+ case Qt::LeftArrow: e = QStyle::PE_ArrowLeft; break;
+ case Qt::RightArrow: e = QStyle::PE_ArrowRight; break;
+ case Qt::UpArrow: e = QStyle::PE_ArrowUp; break;
+ case Qt::DownArrow: e = QStyle::PE_ArrowDown; break;
+ }
+ int flags = QStyle::Style_Enabled;
+ if ( isDown() )
+ flags |= QStyle::Style_Down;
+ style().drawPrimitive( e, p, QRect( QPoint( x, y ), QSize( arrowSize, arrowSize ) ),
+ colorGroup(), flags );
+}
+
+void KArrowButton::virtual_hook( int, void* )
+{ /*BASE::virtual_hook( id, data );*/ }
+
+#include "karrowbutton.moc"