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Diffstat (limited to 'src/plugins/platforms/fb_base/fb_base.h')
| -rw-r--r-- | src/plugins/platforms/fb_base/fb_base.h | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/src/plugins/platforms/fb_base/fb_base.h b/src/plugins/platforms/fb_base/fb_base.h new file mode 100644 index 0000000000..c5ae378723 --- /dev/null +++ b/src/plugins/platforms/fb_base/fb_base.h @@ -0,0 +1,210 @@ +/**************************************************************************** +** +** 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QLIGHTHOUSEGRAPHICSSCREEN_H +#define QLIGHTHOUSEGRAPHICSSCREEN_H + +#include <qrect.h> +#include <qimage.h> +#include <qtimer.h> +#include <qpainter.h> +#include <QPlatformCursor> +#include <QPlatformScreen> +#include <QPlatformWindow> +#include <QtGui/private/qwindowsurface_p.h> + +class QMouseEvent; +class QSize; +class QPainter; + +class QFbScreen; + +class QPlatformSoftwareCursor : public QPlatformCursor +{ +public: + QPlatformSoftwareCursor(QPlatformScreen * scr); + + // output methods + QRect dirtyRect(); + virtual QRect drawCursor(QPainter & painter); + + // input methods + virtual void pointerEvent(const QMouseEvent & event); + virtual void changeCursor(QCursor * widgetCursor, QWidget * widget); + + virtual void setDirty() { dirty = true; screen->setDirty(QRect()); } + virtual bool isDirty() { return dirty; } + virtual bool isOnScreen() { return onScreen; } + virtual QRect lastPainted() { return prevRect; } + +protected: + QPlatformCursorImage * graphic; + +private: + void setCursor(const uchar *data, const uchar *mask, int width, int height, int hotX, int hotY); + void setCursor(Qt::CursorShape shape); + void setCursor(const QImage &image, int hotx, int hoty); + QRect currentRect; // next place to draw the cursor + QRect prevRect; // last place the cursor was drawn + QRect getCurrentRect(); + bool dirty; + bool onScreen; +}; + +class QFbWindow; + +class QFbWindowSurface : public QWindowSurface +{ +public: + QFbWindowSurface(QFbScreen *screen, QWidget *window); + ~QFbWindowSurface(); + + virtual QPaintDevice *paintDevice() { return &mImage; } + virtual void flush(QWidget *widget, const QRegion ®ion, const QPoint &offset); + virtual bool scroll(const QRegion &area, int dx, int dy); + + virtual void beginPaint(const QRegion ®ion); + virtual void endPaint(const QRegion ®ion); + + + const QImage image() { return mImage; } + void resize(const QSize &size); + +protected: + friend class QFbWindow; + QFbWindow *platformWindow; + + QFbScreen *mScreen; + QImage mImage; +}; + + +class QFbWindow : public QPlatformWindow +{ +public: + + QFbWindow(QWidget *window); + ~QFbWindow(); + + + virtual void setVisible(bool visible); + virtual bool visible() { return visibleFlag; } + + virtual void raise(); + virtual void lower(); + + void setGeometry(const QRect &rect); + + virtual Qt::WindowFlags setWindowFlags(Qt::WindowFlags type); + virtual Qt::WindowFlags windowFlags() const; + + WId winId() const { return windowId; } + + virtual void repaint(const QRegion&); + +protected: + friend class QFbWindowSurface; + friend class QFbScreen; + QFbWindowSurface *surface; + QList<QFbScreen *> mScreens; + QRect oldGeometry; + bool visibleFlag; + Qt::WindowFlags flags; + + WId windowId; +}; + +class QFbScreen : public QPlatformScreen +{ + Q_OBJECT +public: + QFbScreen(); + ~QFbScreen(); + + virtual QRect geometry() const { return mGeometry; } + virtual int depth() const { return mDepth; } + virtual QImage::Format format() const { return mFormat; } + virtual QSize physicalSize() const { return mPhysicalSize; } + + virtual void setGeometry(QRect rect); + virtual void setDepth(int depth); + virtual void setFormat(QImage::Format format); + virtual void setPhysicalSize(QSize size); + + virtual void setDirty(const QRect &rect); + + virtual void removeWindow(QFbWindow * surface); + virtual void addWindow(QFbWindow * surface); + virtual void raise(QPlatformWindow * surface); + virtual void lower(QPlatformWindow * surface); + virtual QWidget * topLevelAt(const QPoint & p) const; + + QImage * image() const { return mScreenImage; } + QPaintDevice * paintDevice() const { return mScreenImage; } + +protected: + QList<QFbWindow *> windowStack; + QRegion repaintRegion; + QPlatformSoftwareCursor * cursor; + QTimer redrawTimer; + +protected slots: + virtual QRegion doRedraw(); + +protected: + QRect mGeometry; + int mDepth; + QImage::Format mFormat; + QSize mPhysicalSize; + QImage *mScreenImage; + +private: + QPainter * compositePainter; + void generateRects(); + QList<QPair<QRect, int> > cachedRects; + + void invalidateRectCache() { isUpToDate = false; } + friend class QFbWindowSurface; + friend class QFbWindow; + bool isUpToDate; +}; + +#endif // QLIGHTHOUSEGRAPHICSSCREEN_H |