Shared: Added PixmapWidget class

This class provides a basic pixmap widget with border support
and scale support. It can be used with layouts.

Signed-off-by: Adriano Rezende <adriano.rezende@openbossa.org>

1 files changed, 121 insertions, 0 deletions

diff --git a/shared/pixmapwidget.cpp b/shared/pixmapwidget.cpp
new file mode 100644
index 0000000..afac7a4
--- /dev/null
+++ b/shared/pixmapwidget.cpp
@@ -0,0 +1,121 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: openBossa - INdT (renato.chencarek@openbossa.org)
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** the openBossa stream from INdT (renato.chencarek@openbossa.org).
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QPixmap>
+#include <QPainter>
+#include <QGraphicsSceneMouseEvent>
+#include <QStyleOptionGraphicsItem>
+
+#include "pixmapwidget.h"
+#include "utils.h"
+
+
+class PixmapWidgetPrivate
+{
+public:
+    PixmapWidgetPrivate();
+
+    int topBorder;
+    int leftBorder;
+    int rightBorder;
+    int bottomBorder;
+
+    QPixmap pixmap;
+};
+
+PixmapWidgetPrivate::PixmapWidgetPrivate()
+    : topBorder(0), leftBorder(0), rightBorder(0), bottomBorder(0)
+{
+
+}
+
+
+PixmapWidget::PixmapWidget(const QPixmap &pixmap, QGraphicsItem *parent)
+    : QGraphicsWidget(parent),
+      d(new PixmapWidgetPrivate)
+{
+    setPixmap(pixmap);
+    setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+}
+
+PixmapWidget::~PixmapWidget()
+{
+    delete d;
+}
+
+QPixmap PixmapWidget::pixmap() const
+{
+    return d->pixmap;
+}
+
+void PixmapWidget::setPixmap(const QPixmap &pixmap)
+{
+    d->pixmap = pixmap;
+
+    if (pixmap.isNull())
+        setPreferredSize(QSize());
+    else
+        setPreferredSize(pixmap.size());
+
+    update();
+    updateGeometry();
+}
+
+void PixmapWidget::getBorders(int *left, int *top, int *right, int *bottom) const
+{
+    if (left)
+        *left = d->leftBorder;
+    if (top)
+        *top = d->topBorder;
+    if (right)
+        *right = d->rightBorder;
+    if (bottom)
+        *bottom = d->bottomBorder;
+}
+
+void PixmapWidget::setBorders(int left, int top, int right, int bottom)
+{
+    d->leftBorder = left;
+    d->topBorder = top;
+    d->rightBorder = right;
+    d->bottomBorder = bottom;
+    update();
+}
+
+void PixmapWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+                         QWidget *widget)
+{
+    Q_UNUSED(option);
+    Q_UNUSED(widget);
+
+    bDrawPixmap(painter, d->pixmap, boundingRect(), d->leftBorder,
+                d->topBorder, d->rightBorder, d->bottomBorder);
+}