linuxfb: make platformsupport convenience compile

Rename fb_base to fbconvenience in-line with the other
convenience classes.

The code only compiles, it is not known to work.

Change-Id: If51700ddf0a11ace5129af6f00f34fd895a6a4df
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>
Reviewed-by: Girish Ramakrishnan <girish.1.ramakrishnan@nokia.com>

1 files changed, 138 insertions, 0 deletions

diff --git a/src/platformsupport/fbconvenience/qfbcursor.cpp b/src/platformsupport/fbconvenience/qfbcursor.cpp
new file mode 100644
index 0000000000..712177f9ee
--- /dev/null
+++ b/src/platformsupport/fbconvenience/qfbcursor.cpp
@@ -0,0 +1,138 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qfbcursor_p.h"
+#include <QtGui/QPainter>
+
+QT_BEGIN_NAMESPACE
+
+QFbCursor::QFbCursor(QPlatformScreen *scr)
+        : screen(scr), currentRect(QRect()), prevRect(QRect())
+{
+    graphic = new QPlatformCursorImage(0, 0, 0, 0, 0, 0);
+    setCursor(Qt::ArrowCursor);
+}
+
+QRect QFbCursor::getCurrentRect()
+{
+    QRect rect = graphic->image()->rect().translated(-graphic->hotspot().x(),
+                                                     -graphic->hotspot().y());
+    rect.translate(QCursor::pos());
+    QPoint screenOffset = screen->geometry().topLeft();
+    rect.translate(-screenOffset);  // global to local translation
+    return rect;
+}
+
+
+void QFbCursor::pointerEvent(const QMouseEvent & e)
+{
+    Q_UNUSED(e);
+    QPoint screenOffset = screen->geometry().topLeft();
+    currentRect = getCurrentRect();
+    // global to local translation
+    if (onScreen || screen->geometry().intersects(currentRect.translated(screenOffset))) {
+        setDirty();
+    }
+}
+
+QRect QFbCursor::drawCursor(QPainter & painter)
+{
+    dirty = false;
+    if (currentRect.isNull())
+        return QRect();
+
+    // We need this because the cursor might be dirty due to moving off screen
+    QPoint screenOffset = screen->geometry().topLeft();
+    // global to local translation
+    if (!currentRect.translated(screenOffset).intersects(screen->geometry()))
+        return QRect();
+
+    prevRect = currentRect;
+    painter.drawImage(prevRect, *graphic->image());
+    onScreen = true;
+    return prevRect;
+}
+
+QRect QFbCursor::dirtyRect()
+{
+    if (onScreen) {
+        onScreen = false;
+        return prevRect;
+    }
+    return QRect();
+}
+
+void QFbCursor::setCursor(Qt::CursorShape shape)
+{
+    graphic->set(shape);
+}
+
+void QFbCursor::setCursor(const QImage &image, int hotx, int hoty)
+{
+    graphic->set(image, hotx, hoty);
+}
+
+void QFbCursor::setCursor(const uchar *data, const uchar *mask, int width, int height, int hotX, int hotY)
+{
+    graphic->set(data, mask, width, height, hotX, hotY);
+}
+
+void QFbCursor::changeCursor(QCursor * widgetCursor, QWindow *window)
+{
+    Q_UNUSED(window);
+    Qt::CursorShape shape = widgetCursor->shape();
+
+    if (shape == Qt::BitmapCursor) {
+        // application supplied cursor
+        QPoint spot = widgetCursor->hotSpot();
+        setCursor(widgetCursor->pixmap().toImage(), spot.x(), spot.y());
+    } else {
+        // system cursor
+        setCursor(shape);
+    }
+    currentRect = getCurrentRect();
+    QPoint screenOffset = screen->geometry().topLeft(); // global to local translation
+    if (onScreen || screen->geometry().intersects(currentRect.translated(screenOffset)))
+        setDirty();
+}
+
+QT_END_NAMESPACE
+