diff options
Diffstat (limited to 'src/platformsupport/fb_base/fb_base.cpp')
-rw-r--r-- | src/platformsupport/fb_base/fb_base.cpp | 507 |
1 files changed, 507 insertions, 0 deletions
diff --git a/src/platformsupport/fb_base/fb_base.cpp b/src/platformsupport/fb_base/fb_base.cpp new file mode 100644 index 0000000000..aa395fec29 --- /dev/null +++ b/src/platformsupport/fb_base/fb_base.cpp @@ -0,0 +1,507 @@ +/**************************************************************************** +** +** 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 "fb_base_p.h" +#include <qpainter.h> +#include <qdebug.h> +#include <qbitmap.h> +#include <QPlatformCursor> +#include <QWindowSystemInterface> + +QPlatformSoftwareCursor::QPlatformSoftwareCursor(QPlatformScreen *scr) + : QPlatformCursor(scr), currentRect(QRect()), prevRect(QRect()) +{ + graphic = new QPlatformCursorImage(0, 0, 0, 0, 0, 0); + setCursor(Qt::ArrowCursor); +} + +QRect QPlatformSoftwareCursor::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 QPlatformSoftwareCursor::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 QPlatformSoftwareCursor::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 QPlatformSoftwareCursor::dirtyRect() +{ + if (onScreen) { + onScreen = false; + return prevRect; + } + return QRect(); +} + +void QPlatformSoftwareCursor::setCursor(Qt::CursorShape shape) +{ + graphic->set(shape); +} + +void QPlatformSoftwareCursor::setCursor(const QImage &image, int hotx, int hoty) +{ + graphic->set(image, hotx, hoty); +} + +void QPlatformSoftwareCursor::setCursor(const uchar *data, const uchar *mask, int width, int height, int hotX, int hotY) +{ + graphic->set(data, mask, width, height, hotX, hotY); +} + +void QPlatformSoftwareCursor::changeCursor(QCursor * widgetCursor, QWidget * widget) +{ + Q_UNUSED(widget); + 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(); +} + +QFbScreen::QFbScreen() : cursor(0), mGeometry(), mDepth(16), mFormat(QImage::Format_RGB16), mScreenImage(0), compositePainter(0), isUpToDate(false) +{ + mScreenImage = new QImage(mGeometry.size(), mFormat); + redrawTimer.setSingleShot(true); + redrawTimer.setInterval(0); + QObject::connect(&redrawTimer, SIGNAL(timeout()), this, SLOT(doRedraw())); +} + +void QFbScreen::setGeometry(QRect rect) +{ + delete mScreenImage; + mGeometry = rect; + mScreenImage = new QImage(mGeometry.size(), mFormat); + delete compositePainter; + compositePainter = 0; + invalidateRectCache(); +} + +void QFbScreen::setDepth(int depth) +{ + mDepth = depth; +} + +void QFbScreen::setPhysicalSize(QSize size) +{ + mPhysicalSize = size; +} + +void QFbScreen::setFormat(QImage::Format format) +{ + mFormat = format; + delete mScreenImage; + mScreenImage = new QImage(mGeometry.size(), mFormat); + delete compositePainter; + compositePainter = 0; +} + +QFbScreen::~QFbScreen() +{ + delete compositePainter; + delete mScreenImage; +} + +void QFbScreen::setDirty(const QRect &rect) +{ + QRect intersection = rect.intersected(mGeometry); + QPoint screenOffset = mGeometry.topLeft(); + repaintRegion += intersection.translated(-screenOffset); // global to local translation + if (!redrawTimer.isActive()) { + redrawTimer.start(); + } +} + +void QFbScreen::generateRects() +{ + cachedRects.clear(); + QPoint screenOffset = mGeometry.topLeft(); + QRegion remainingScreen(mGeometry.translated(-screenOffset)); // global to local translation + + for (int i = 0; i < windowStack.length(); i++) { + if (remainingScreen.isEmpty()) + break; + if (!windowStack[i]->visible()) + continue; + if (windowStack[i]->widget()->isMinimized()) + continue; + + if (!windowStack[i]->widget()->testAttribute(Qt::WA_TranslucentBackground)) { + QRect localGeometry = windowStack.at(i)->geometry().translated(-screenOffset); // global to local translation + remainingScreen -= localGeometry; + QRegion windowRegion(localGeometry); + windowRegion -= remainingScreen; + foreach(QRect rect, windowRegion.rects()) { + cachedRects += QPair<QRect, int>(rect, i); + } + } + } + foreach (QRect rect, remainingScreen.rects()) + cachedRects += QPair<QRect, int>(rect, -1); + isUpToDate = true; + return; +} + + + +QRegion QFbScreen::doRedraw() +{ + QPoint screenOffset = mGeometry.topLeft(); + + QRegion touchedRegion; + if (cursor && cursor->isDirty() && cursor->isOnScreen()) { + QRect lastCursor = cursor->dirtyRect(); + repaintRegion += lastCursor; + } + if (repaintRegion.isEmpty() && (!cursor || !cursor->isDirty())) { + return touchedRegion; + } + + QVector<QRect> rects = repaintRegion.rects(); + + if (!isUpToDate) + generateRects(); + + if (!compositePainter) + compositePainter = new QPainter(mScreenImage); + for (int rectIndex = 0; rectIndex < repaintRegion.numRects(); rectIndex++) { + QRegion rectRegion = rects[rectIndex]; + + for(int i = 0; i < cachedRects.length(); i++) { + QRect screenSubRect = cachedRects[i].first; + int layer = cachedRects[i].second; + QRegion intersect = rectRegion.intersected(screenSubRect); + + if (intersect.isEmpty()) + continue; + + rectRegion -= intersect; + + // we only expect one rectangle, but defensive coding... + foreach (QRect rect, intersect.rects()) { + bool firstLayer = true; + if (layer == -1) { + compositePainter->fillRect(rect, Qt::black); + firstLayer = false; + layer = windowStack.size() - 1; + } + + for (int layerIndex = layer; layerIndex != -1; layerIndex--) { + if (!windowStack[layerIndex]->visible()) + continue; + if (windowStack[layerIndex]->widget()->isMinimized()) + continue; + QRect windowRect = windowStack[layerIndex]->geometry().translated(-screenOffset); + QRect windowIntersect = rect.translated(-windowRect.left(), + -windowRect.top()); + compositePainter->drawImage(rect, windowStack[layerIndex]->surface->image(), + windowIntersect); + if (firstLayer) { + firstLayer = false; + } + } + } + } + } + + QRect cursorRect; + if (cursor && (cursor->isDirty() || repaintRegion.intersects(cursor->lastPainted()))) { + cursorRect = cursor->drawCursor(*compositePainter); + touchedRegion += cursorRect; + } + touchedRegion += repaintRegion; + repaintRegion = QRegion(); + + + +// qDebug() << "QFbScreen::doRedraw" << windowStack.size() << mScreenImage->size() << touchedRegion; + + + return touchedRegion; +} + +void QFbScreen::addWindow(QFbWindow *surface) +{ + windowStack.prepend(surface); + surface->mScreens.append(this); + invalidateRectCache(); + setDirty(surface->geometry()); +} + +void QFbScreen::removeWindow(QFbWindow * surface) +{ + windowStack.removeOne(surface); + surface->mScreens.removeOne(this); + invalidateRectCache(); + setDirty(surface->geometry()); +} + +void QFbWindow::raise() +{ + QList<QFbScreen *>::const_iterator i = mScreens.constBegin(); + QList<QFbScreen *>::const_iterator end = mScreens.constEnd(); + while (i != end) { + (*i)->raise(this); + ++i; + } +} + +void QFbScreen::raise(QPlatformWindow * surface) +{ + QFbWindow *s = static_cast<QFbWindow *>(surface); + int index = windowStack.indexOf(s); + if (index <= 0) + return; + windowStack.move(index, 0); + invalidateRectCache(); + setDirty(s->geometry()); +} + +void QFbWindow::lower() +{ + QList<QFbScreen *>::const_iterator i = mScreens.constBegin(); + QList<QFbScreen *>::const_iterator end = mScreens.constEnd(); + while (i != end) { + (*i)->lower(this); + ++i; + } +} + +void QFbScreen::lower(QPlatformWindow * surface) +{ + QFbWindow *s = static_cast<QFbWindow *>(surface); + int index = windowStack.indexOf(s); + if (index == -1 || index == (windowStack.size() - 1)) + return; + windowStack.move(index, windowStack.size() - 1); + invalidateRectCache(); + setDirty(s->geometry()); +} + +QWidget * QFbScreen::topLevelAt(const QPoint & p) const +{ + for(int i = 0; i < windowStack.size(); i++) { + if (windowStack[i]->geometry().contains(p, false) && + windowStack[i]->visible() && + !windowStack[i]->widget()->isMinimized()) { + return windowStack[i]->widget(); + } + } + return 0; +} + +QFbWindow::QFbWindow(QWidget *window) + :QPlatformWindow(window), + visibleFlag(false) +{ + static QAtomicInt winIdGenerator(1); + windowId = winIdGenerator.fetchAndAddRelaxed(1); +} + + +QFbWindow::~QFbWindow() +{ + QList<QFbScreen *>::const_iterator i = mScreens.constBegin(); + QList<QFbScreen *>::const_iterator end = mScreens.constEnd(); + while (i != end) { + (*i)->removeWindow(this); + ++i; + } +} + + +QFbWindowSurface::QFbWindowSurface(QFbScreen *screen, QWidget *window) + : QWindowSurface(window), + mScreen(screen) +{ + mImage = QImage(window->size(), mScreen->format()); + + platformWindow = static_cast<QFbWindow*>(window->platformWindow()); + platformWindow->surface = this; +} + +QFbWindowSurface::~QFbWindowSurface() +{ +} + +void QFbWindowSurface::flush(QWidget *widget, const QRegion ®ion, const QPoint &offset) +{ + Q_UNUSED(widget); + Q_UNUSED(offset); + + +// qDebug() << "QFbWindowSurface::flush" << region; + + + platformWindow->repaint(region); +} + + +void QFbWindow::repaint(const QRegion ®ion) +{ + QRect currentGeometry = geometry(); + + QRect dirtyClient = region.boundingRect(); + QRect dirtyRegion(currentGeometry.left() + dirtyClient.left(), + currentGeometry.top() + dirtyClient.top(), + dirtyClient.width(), + dirtyClient.height()); + QList<QFbScreen *>::const_iterator i = mScreens.constBegin(); + QList<QFbScreen *>::const_iterator end = mScreens.constEnd(); + QRect oldGeometryLocal = oldGeometry; + oldGeometry = currentGeometry; + while (i != end) { + // If this is a move, redraw the previous location + if (oldGeometryLocal != currentGeometry) { + (*i)->setDirty(oldGeometryLocal); + } + (*i)->setDirty(dirtyRegion); + ++i; + } +} + +void QFbWindowSurface::resize(const QSize &size) +{ + // change the widget's QImage if this is a resize + if (mImage.size() != size) + mImage = QImage(size, mScreen->format()); + QWindowSurface::resize(size); +} + +void QFbWindow::setGeometry(const QRect &rect) +{ +// store previous geometry for screen update + oldGeometry = geometry(); + + + QList<QFbScreen *>::const_iterator i = mScreens.constBegin(); + QList<QFbScreen *>::const_iterator end = mScreens.constEnd(); + while (i != end) { + (*i)->invalidateRectCache(); + ++i; + } +//### QWindowSystemInterface::handleGeometryChange(window(), rect); + + QPlatformWindow::setGeometry(rect); +} + +bool QFbWindowSurface::scroll(const QRegion &area, int dx, int dy) +{ + return QWindowSurface::scroll(area, dx, dy); +} + +void QFbWindowSurface::beginPaint(const QRegion ®ion) +{ + Q_UNUSED(region); +} + +void QFbWindowSurface::endPaint(const QRegion ®ion) +{ + Q_UNUSED(region); +} + +void QFbWindow::setVisible(bool visible) +{ + visibleFlag = visible; + QList<QFbScreen *>::const_iterator i = mScreens.constBegin(); + QList<QFbScreen *>::const_iterator end = mScreens.constEnd(); + while (i != end) { + (*i)->invalidateRectCache(); + (*i)->setDirty(geometry()); + ++i; + } +} + +Qt::WindowFlags QFbWindow::setWindowFlags(Qt::WindowFlags type) +{ + flags = type; + QList<QFbScreen *>::const_iterator i = mScreens.constBegin(); + QList<QFbScreen *>::const_iterator end = mScreens.constEnd(); + while (i != end) { + (*i)->invalidateRectCache(); + ++i; + } + return flags; +} + +Qt::WindowFlags QFbWindow::windowFlags() const +{ + return flags; +} |