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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** 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 "qxlibcursor.h"
#include "qxlibintegration.h"
#include "qxlibscreen.h"
#include "qxlibwindow.h"
#include "qxlibdisplay.h"
#include <QtGui/QBitmap>
#include <X11/cursorfont.h>
QT_BEGIN_NAMESPACE
QXlibCursor::QXlibCursor(QXlibScreen *screen)
: QPlatformCursor(screen)
{
}
void QXlibCursor::changeCursor(QCursor *cursor, QWidget *widget)
{
QXlibWindow *w = 0;
if (widget) {
QWidget *window = widget->window();
w = static_cast<QXlibWindow*>(window->platformWindow());
} else {
// No X11 cursor control when there is no widget under the cursor
return;
}
if (!w)
return;
int id = cursor->handle();
Cursor c;
if (!cursorMap.contains(id)) {
if (cursor->shape() == Qt::BitmapCursor)
c = createCursorBitmap(cursor);
else
c = createCursorShape(cursor->shape());
if (!c) {
return;
}
cursorMap.insert(id, c);
} else {
c = cursorMap.value(id);
}
w->setCursor(c);
}
Cursor QXlibCursor::createCursorBitmap(QCursor * cursor)
{
XColor bg, fg;
bg.red = 255 << 8;
bg.green = 255 << 8;
bg.blue = 255 << 8;
fg.red = 0;
fg.green = 0;
fg.blue = 0;
QPoint spot = cursor->hotSpot();
Window rootwin = testLiteScreen()->rootWindow();
QImage mapImage = cursor->bitmap()->toImage().convertToFormat(QImage::Format_MonoLSB);
QImage maskImage = cursor->mask()->toImage().convertToFormat(QImage::Format_MonoLSB);
int width = cursor->bitmap()->width();
int height = cursor->bitmap()->height();
int bytesPerLine = mapImage.bytesPerLine();
int destLineSize = width / 8;
if (width % 8)
destLineSize++;
const uchar * map = mapImage.bits();
const uchar * mask = maskImage.bits();
char * mapBits = new char[height * destLineSize];
char * maskBits = new char[height * destLineSize];
for (int i = 0; i < height; i++) {
memcpy(mapBits + (destLineSize * i),map + (bytesPerLine * i), destLineSize);
memcpy(maskBits + (destLineSize * i),mask + (bytesPerLine * i), destLineSize);
}
Pixmap cp = XCreateBitmapFromData(testLiteScreen()->display()->nativeDisplay(), rootwin, mapBits, width, height);
Pixmap mp = XCreateBitmapFromData(testLiteScreen()->display()->nativeDisplay(), rootwin, maskBits, width, height);
Cursor c = XCreatePixmapCursor(testLiteScreen()->display()->nativeDisplay(), cp, mp, &fg, &bg, spot.x(), spot.y());
XFreePixmap(testLiteScreen()->display()->nativeDisplay(), cp);
XFreePixmap(testLiteScreen()->display()->nativeDisplay(), mp);
delete[] mapBits;
delete[] maskBits;
return c;
}
Cursor QXlibCursor::createCursorShape(int cshape)
{
Cursor cursor = 0;
if (cshape < 0 || cshape > Qt::LastCursor)
return 0;
switch (cshape) {
case Qt::ArrowCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_left_ptr);
break;
case Qt::UpArrowCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_center_ptr);
break;
case Qt::CrossCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_crosshair);
break;
case Qt::WaitCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_watch);
break;
case Qt::IBeamCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_xterm);
break;
case Qt::SizeAllCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_fleur);
break;
case Qt::PointingHandCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_hand2);
break;
case Qt::SizeBDiagCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_top_right_corner);
break;
case Qt::SizeFDiagCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_bottom_right_corner);
break;
case Qt::SizeVerCursor:
case Qt::SplitVCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_sb_v_double_arrow);
break;
case Qt::SizeHorCursor:
case Qt::SplitHCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_sb_h_double_arrow);
break;
case Qt::WhatsThisCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_question_arrow);
break;
case Qt::ForbiddenCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_circle);
break;
case Qt::BusyCursor:
cursor = XCreateFontCursor(testLiteScreen()->display()->nativeDisplay(), XC_watch);
break;
default: //default cursor for all the rest
break;
}
return cursor;
}
QXlibScreen * QXlibCursor::testLiteScreen() const
{
return static_cast<QXlibScreen *>(screen);
}
QT_END_NAMESPACE
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