diff options
Diffstat (limited to 'src/plugins/platforms/wayland/qwaylandcursor.cpp')
| -rw-r--r-- | src/plugins/platforms/wayland/qwaylandcursor.cpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/plugins/platforms/wayland/qwaylandcursor.cpp b/src/plugins/platforms/wayland/qwaylandcursor.cpp new file mode 100644 index 0000000000..614686f971 --- /dev/null +++ b/src/plugins/platforms/wayland/qwaylandcursor.cpp @@ -0,0 +1,191 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qwaylandcursor.h" + +#include "qwaylanddisplay.h" +#include "qwaylandinputdevice.h" +#include "qwaylandshmsurface.h" +#include "qwaylandscreen.h" + +#include <QtGui/QImageReader> + +#define DATADIR "/usr/share" + +static const struct pointer_image { + const char *filename; + int hotspot_x, hotspot_y; +} pointer_images[] = { + /* FIXME: Half of these are wrong... */ + /* Qt::ArrowCursor */ + { DATADIR "/wayland/left_ptr.png", 10, 5 }, + /* Qt::UpArrowCursor */ + { DATADIR "/wayland/top_side.png", 18, 8 }, + /* Qt::CrossCursor */ + { DATADIR "/wayland/top_side.png", 18, 8 }, + /* Qt::WaitCursor */ + { DATADIR "/wayland/top_side.png", 18, 8 }, + /* Qt::IBeamCursor */ + { DATADIR "/wayland/xterm.png", 15, 15 }, + /* Qt::SizeVerCursor */ + { DATADIR "/wayland/top_side.png", 18, 8 }, + /* Qt::SizeHorCursor */ + { DATADIR "/wayland/bottom_left_corner.png", 6, 30 }, + /* Qt::SizeBDiagCursor */ + { DATADIR "/wayland/bottom_right_corner.png", 28, 28 }, + /* Qt::SizeFDiagCursor */ + { DATADIR "/wayland/bottom_side.png", 16, 20 }, + /* Qt::SizeAllCursor */ + { DATADIR "/wayland/left_side.png", 10, 20 }, + /* Qt::BlankCursor */ + { DATADIR "/wayland/right_side.png", 30, 19 }, + /* Qt::SplitVCursor */ + { DATADIR "/wayland/sb_v_double_arrow.png", 15, 15 }, + /* Qt::SplitHCursor */ + { DATADIR "/wayland/sb_h_double_arrow.png", 15, 15 }, + /* Qt::PointingHandCursor */ + { DATADIR "/wayland/hand2.png", 14, 8 }, + /* Qt::ForbiddenCursor */ + { DATADIR "/wayland/top_right_corner.png", 26, 8 }, + /* Qt::WhatsThisCursor */ + { DATADIR "/wayland/top_right_corner.png", 26, 8 }, + /* Qt::BusyCursor */ + { DATADIR "/wayland/top_right_corner.png", 26, 8 }, + /* Qt::OpenHandCursor */ + { DATADIR "/wayland/hand1.png", 18, 11 }, + /* Qt::ClosedHandCursor */ + { DATADIR "/wayland/grabbing.png", 20, 17 }, + /* Qt::DragCopyCursor */ + { DATADIR "/wayland/dnd-copy.png", 13, 13 }, + /* Qt::DragMoveCursor */ + { DATADIR "/wayland/dnd-move.png", 13, 13 }, + /* Qt::DragLinkCursor */ + { DATADIR "/wayland/dnd-link.png", 13, 13 }, +}; + +QWaylandCursor::QWaylandCursor(QWaylandScreen *screen) + : QPlatformCursor(screen) + , mBuffer(0) + , mDisplay(screen->display()) +{ +} + +void QWaylandCursor::changeCursor(QCursor *cursor, QWidget *widget) +{ + const struct pointer_image *p; + + if (widget == NULL) + return; + + p = NULL; + + switch (cursor->shape()) { + case Qt::ArrowCursor: + p = &pointer_images[cursor->shape()]; + break; + case Qt::UpArrowCursor: + case Qt::CrossCursor: + case Qt::WaitCursor: + break; + case Qt::IBeamCursor: + p = &pointer_images[cursor->shape()]; + break; + case Qt::SizeVerCursor: /* 5 */ + case Qt::SizeHorCursor: + case Qt::SizeBDiagCursor: + case Qt::SizeFDiagCursor: + case Qt::SizeAllCursor: + case Qt::BlankCursor: /* 10 */ + break; + case Qt::SplitVCursor: + case Qt::SplitHCursor: + case Qt::PointingHandCursor: + p = &pointer_images[cursor->shape()]; + break; + case Qt::ForbiddenCursor: + case Qt::WhatsThisCursor: /* 15 */ + case Qt::BusyCursor: + break; + case Qt::OpenHandCursor: + case Qt::ClosedHandCursor: + case Qt::DragCopyCursor: + case Qt::DragMoveCursor: /* 20 */ + case Qt::DragLinkCursor: + p = &pointer_images[cursor->shape()]; + break; + + default: + case Qt::BitmapCursor: + break; + } + + if (!p) { + p = &pointer_images[0]; + qWarning("unhandled cursor %d", cursor->shape()); + } + + QImageReader reader(p->filename); + + if (!reader.canRead()) + return; + + if (mBuffer == NULL || mBuffer->size() != reader.size()) { + if (mBuffer) + delete mBuffer; + + mBuffer = new QWaylandShmBuffer(mDisplay, reader.size(), + QImage::Format_ARGB32); + } + + reader.read(mBuffer->image()); + + mDisplay->setCursor(mBuffer, p->hotspot_x, p->hotspot_y); +} + +void QWaylandDisplay::setCursor(QWaylandBuffer *buffer, int32_t x, int32_t y) +{ + /* Qt doesn't tell us which input device we should set the cursor + * for, so set it for all devices. */ + for (int i = 0; i < mInputDevices.count(); i++) { + QWaylandInputDevice *inputDevice = mInputDevices.at(i); + inputDevice->attach(buffer, x, y); + } +} |