/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtGui 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 #include #include #include #include #include #include #include #include #include QT_BEGIN_NAMESPACE static QCursor cursorSprite; static int cursorSpriteVisible; //pos and setpos are required whether cursors are configured or not. QPoint QCursor::pos() { return S60->lastCursorPos; } void QCursor::setPos(int x, int y) { //clip to screen size (window server allows a sprite hotspot to be outside the screen) if (x < 0) x=0; else if (x >= S60->screenWidthInPixels) x = S60->screenWidthInPixels - 1; if (y < 0) y = 0; else if (y >= S60->screenHeightInPixels) y = S60->screenHeightInPixels - 1; #ifndef QT_NO_CURSOR #ifndef Q_SYMBIAN_FIXED_POINTER_CURSORS if (S60->brokenPointerCursors && cursorSpriteVisible) cursorSprite.d->scurs.SetPosition(TPoint(x,y)); else #endif S60->wsSession().SetPointerCursorPosition(TPoint(x, y)); #endif S60->lastCursorPos = QPoint(x, y); //send a fake mouse move event, so that enter/leave events go to the widget hierarchy QWidget *w = QApplication::topLevelAt(S60->lastCursorPos); if (w) { CCoeControl* ctrl = w->effectiveWinId(); TPoint epos(x, y); TPoint cpos = epos - ctrl->PositionRelativeToScreen(); TPointerEvent fakeEvent; fakeEvent.iType = TPointerEvent::EMove; fakeEvent.iModifiers = 0U; fakeEvent.iPosition = cpos; fakeEvent.iParentPosition = epos; ctrl->HandlePointerEventL(fakeEvent); } } #ifndef QT_NO_CURSOR /* * Request cursor to be turned on or off. * Reference counted, so 2 on + 1 off = on, for example */ void qt_symbian_set_cursor_visible(bool visible) { if (visible) cursorSpriteVisible++; else cursorSpriteVisible--; Q_ASSERT(cursorSpriteVisible >=0); if (cursorSpriteVisible && !S60->mouseInteractionEnabled) { #ifndef Q_SYMBIAN_FIXED_POINTER_CURSORS if (S60->brokenPointerCursors) qt_symbian_show_pointer_sprite(); else #endif S60->wsSession().SetPointerCursorMode(EPointerCursorNormal); } else if (!cursorSpriteVisible && S60->mouseInteractionEnabled) { #ifndef Q_SYMBIAN_FIXED_POINTER_CURSORS if (S60->brokenPointerCursors) qt_symbian_hide_pointer_sprite(); else #endif S60->wsSession().SetPointerCursorMode(EPointerCursorNone); } S60->mouseInteractionEnabled = ((cursorSpriteVisible > 0) ? true : false); } /* * Check if the cursor is on or off */ bool qt_symbian_is_cursor_visible() { return S60->mouseInteractionEnabled; } QCursorData::QCursorData(Qt::CursorShape s) : cshape(s), bm(0), bmm(0), hx(0), hy(0), pcurs() { ref = 1; } QCursorData::~QCursorData() { for(int i=0;iiBitmap; delete nativeSpriteMembers[i]->iMaskBitmap; } nativeSpriteMembers.ResetAndDestroy(); pcurs.Close(); delete bm; delete bmm; } /* Create a bitmap cursor, this is called by public constructors in the * generic QCursor code. */ QCursorData *QCursorData::setBitmap(const QBitmap &bitmap, const QBitmap &mask, int hotX, int hotY) { if (!QCursorData::initialized) QCursorData::initialize(); if (bitmap.depth() != 1 || mask.depth() != 1 || bitmap.size() != mask.size()) { qWarning("QCursor: Cannot create bitmap cursor; invalid bitmap(s)"); QCursorData *c = qt_cursorTable[0]; c->ref.ref(); return c; } QCursorData *d = new QCursorData; d->bm = new QBitmap(bitmap); d->bmm = new QBitmap(mask); d->cshape = Qt::BitmapCursor; d->hx = hotX >= 0 ? hotX : bitmap.width() / 2; d->hy = hotY >= 0 ? hotY : bitmap.height() / 2; return d; } /* * returns an opaque native handle to a cursor. * It happens to be the address of the native handle, as window server handles * are not POD types. Note there is no QCursor(HANDLE) constructor on Symbian, * Mac or QWS. */ Qt::HANDLE QCursor::handle() const { if (d->pcurs.WsHandle()) return reinterpret_cast (&(d->pcurs)); #ifdef Q_SYMBIAN_HAS_SYSTEM_CURSORS // don't construct shape cursors, QApplication_s60 will use the system cursor instead if (!(d->bm)) return 0; #endif d->pcurs = RWsPointerCursor(S60->wsSession()); d->pcurs.Construct(0); d->constructCursorSprite(d->pcurs); d->pcurs.Activate(); return reinterpret_cast (&(d->pcurs)); } #ifndef Q_SYMBIAN_HAS_SYSTEM_CURSORS /* * Loads a single cursor shape from resources and appends it to a native sprite. * Animated cursors (e.g. the busy cursor) have multiple members. */ void QCursorData::loadShapeFromResource(RWsSpriteBase& target, QString resource, int hx, int hy, int interval) { QPixmap pix; CFbsBitmap* native; QScopedPointer member(new TSpriteMember); member->iInterval = interval; member->iInvertMask = false; member->iMaskBitmap = 0; // all shapes are RGBA member->iDrawMode = CGraphicsContext::EDrawModePEN; member->iOffset = TPoint(-hx, -hy); QString res(QLatin1String(":/trolltech/symbian/cursors/images/%1.png")); pix.load(res.arg(resource)); native = pix.toSymbianCFbsBitmap(); member->iBitmap = native; qt_symbian_throwIfError(nativeSpriteMembers.Append(member.data())); target.AppendMember(*(member.take())); } //TODO: after 4.6, connect with style & skins? /* * Constructs the native cursor from resources compiled into QtGui * This is needed only when the platform doesn't have system cursors. * * System cursors are higher performance, since they are constructed once * and shared by all applications by specifying the shape number. * Due to symbian platform security considerations, and the fact most * existing phones have a broken RWsPointerCursor, system cursors are not * being used. */ void QCursorData::constructShapeSprite(RWsSpriteBase& target) { int i; switch (cshape) { default: qWarning("QCursorData::constructShapeSprite unknown shape %d", cshape); //fall through and give arrow cursor case Qt::ArrowCursor: loadShapeFromResource(target, QLatin1String("pointer"), 1, 1); break; case Qt::UpArrowCursor: loadShapeFromResource(target, QLatin1String("uparrow"), 4, 0); break; case Qt::CrossCursor: loadShapeFromResource(target, QLatin1String("cross"), 7, 7); break; case Qt::WaitCursor: for (i = 1; i <= 12; i++) { loadShapeFromResource(target, QString(QLatin1String("wait%1")).arg(i), 7, 7, 1000000); } break; case Qt::IBeamCursor: loadShapeFromResource(target, QLatin1String("ibeam"), 3, 10); break; case Qt::SizeVerCursor: loadShapeFromResource(target, QLatin1String("sizever"), 4, 8); break; case Qt::SizeHorCursor: loadShapeFromResource(target, QLatin1String("sizehor"), 8, 4); break; case Qt::SizeBDiagCursor: loadShapeFromResource(target, QLatin1String("sizebdiag"), 8, 8); break; case Qt::SizeFDiagCursor: loadShapeFromResource(target, QLatin1String("sizefdiag"), 8, 8); break; case Qt::SizeAllCursor: loadShapeFromResource(target, QLatin1String("sizeall"), 7, 7); break; case Qt::BlankCursor: loadShapeFromResource(target, QLatin1String("blank"), 0, 0); break; case Qt::SplitVCursor: loadShapeFromResource(target, QLatin1String("splitv"), 7, 7); break; case Qt::SplitHCursor: loadShapeFromResource(target, QLatin1String("splith"), 7, 7); break; case Qt::PointingHandCursor: loadShapeFromResource(target, QLatin1String("handpoint"), 5, 0); break; case Qt::ForbiddenCursor: loadShapeFromResource(target, QLatin1String("forbidden"), 7, 7); break; case Qt::WhatsThisCursor: loadShapeFromResource(target, QLatin1String("whatsthis"), 1, 1); break; case Qt::BusyCursor: loadShapeFromResource(target, QLatin1String("busy3"), 1, 1, 1000000); loadShapeFromResource(target, QLatin1String("busy6"), 1, 1, 1000000); loadShapeFromResource(target, QLatin1String("busy9"), 1, 1, 1000000); loadShapeFromResource(target, QLatin1String("busy12"), 1, 1, 1000000); break; case Qt::OpenHandCursor: loadShapeFromResource(target, QLatin1String("openhand"), 7, 7); break; case Qt::ClosedHandCursor: loadShapeFromResource(target, QLatin1String("closehand"), 7, 7); break; } } #endif /* * Common code between the sprite workaround and standard modes of operation. * RWsSpriteBase is the base class for both RWsSprite and RWsPointerCursor. * It is called from both handle() and qt_s60_show_pointer_sprite() */ void QCursorData::constructCursorSprite(RWsSpriteBase& target) { int count = nativeSpriteMembers.Count(); if (count) { // already constructed for (int i = 0; i < count; i++) target.AppendMember(*(nativeSpriteMembers[i])); return; } if (pixmap.isNull() && !bm) { #ifndef Q_SYMBIAN_HAS_SYSTEM_CURSORS //shape cursor constructShapeSprite(target); #endif return; } QScopedPointer member(new TSpriteMember); if (pixmap.isNull()) { //construct mono cursor member->iBitmap = bm->toSymbianCFbsBitmap(); member->iMaskBitmap = bmm->toSymbianCFbsBitmap(); } else { //construct normal cursor member->iBitmap = pixmap.toSymbianCFbsBitmap(); if (pixmap.hasAlphaChannel()) { member->iMaskBitmap = 0; //use alpha blending } else if (pixmap.hasAlpha()) { member->iMaskBitmap = pixmap.mask().toSymbianCFbsBitmap(); } else { member->iMaskBitmap = pixmap.createHeuristicMask().toSymbianCFbsBitmap(); } } member->iDrawMode = CGraphicsContext::EDrawModePEN; member->iInvertMask = EFalse; member->iInterval = 0; member->iOffset = TPoint(-(hx), -(hy)); //Symbian hotspot coordinates are negative qt_symbian_throwIfError(nativeSpriteMembers.Append(member.data())); target.AppendMember(*(member.take())); } /* * shows the pointer sprite by constructing a native handle, and registering * it with the window server. * Only used when the sprite workaround is in use. */ void qt_symbian_show_pointer_sprite() { if (cursorSprite.d) { if (cursorSprite.d->scurs.WsHandle()) cursorSprite.d->scurs.Close(); } else { cursorSprite = QCursor(Qt::ArrowCursor); } cursorSprite.d->scurs = RWsSprite(S60->wsSession()); QPoint pos = QCursor::pos(); cursorSprite.d->scurs.Construct(S60->windowGroup(), TPoint(pos.x(), pos.y()), ESpriteNoChildClip | ESpriteNoShadows); cursorSprite.d->constructCursorSprite(cursorSprite.d->scurs); cursorSprite.d->scurs.Activate(); } /* * hides the pointer sprite by closing the native handle. * Only used when the sprite workaround is in use. */ void qt_symbian_hide_pointer_sprite() { if (cursorSprite.d) { cursorSprite.d->scurs.Close(); } } /* * Changes the cursor sprite to the cursor specified. * Only used when the sprite workaround is in use. */ void qt_symbian_set_pointer_sprite(const QCursor& cursor) { if (S60->mouseInteractionEnabled) qt_symbian_hide_pointer_sprite(); cursorSprite = cursor; if (S60->mouseInteractionEnabled) qt_symbian_show_pointer_sprite(); } /* * When using sprites as a workaround on phones that have a broken * RWsPointerCursor, this function is called in response to pointer events * and when QCursor::setPos() is called. * Performance is worse than a real pointer cursor, due to extra context * switches vs. the window server moving the cursor by itself. */ void qt_symbian_move_cursor_sprite() { if (S60->mouseInteractionEnabled) { cursorSprite.d->scurs.SetPosition(TPoint(S60->lastCursorPos.x(), S60->lastCursorPos.y())); } } /* * Translate from Qt::CursorShape to OS system pointer cursor list index. * Currently we control the implementation of the system pointer cursor list, * so this function is trivial. That may not always be the case. */ TInt qt_symbian_translate_cursor_shape(Qt::CursorShape shape) { return (TInt) shape; } /* Internal function called from QWidget::setCursor() force is true if this function is called from dispatchEnterLeave, it means that the mouse is actually directly under this widget. */ void qt_symbian_set_cursor(QWidget *w, bool force) { static QPointer lastUnderMouse = 0; if (force) { lastUnderMouse = w; } else if (w->testAttribute(Qt::WA_WState_Created) && lastUnderMouse && lastUnderMouse->effectiveWinId() == w->effectiveWinId()) { w = lastUnderMouse; } if (!S60->curWin && w && w->internalWinId()) return; QWidget* cW = w && !w->internalWinId() ? w : QWidget::find(S60->curWin); if (!cW || cW->window() != w->window() || !cW->isVisible() || !cW->underMouse() || QApplication::overrideCursor()) return; #ifndef Q_SYMBIAN_FIXED_POINTER_CURSORS if (S60->brokenPointerCursors) qt_symbian_set_pointer_sprite(cW->cursor()); else #endif qt_symbian_setWindowCursor(cW->cursor(), w->effectiveWinId()); } /* * Makes the specified cursor appear above a specific native window group * Called from QSymbianControl and QApplication::restoreOverrideCursor * * Window server is needed for this, so there is no equivalent when using * the sprite workaround. */ void qt_symbian_setWindowGroupCursor(const QCursor &cursor, RWindowTreeNode &node) { Qt::HANDLE handle = cursor.handle(); if (handle) { RWsPointerCursor *pcurs = reinterpret_cast (handle); node.SetCustomPointerCursor(*pcurs); } #ifdef Q_SYMBIAN_HAS_SYSTEM_CURSORS else { TInt shape = qt_symbian_translate_cursor_shape(cursor.shape()); node.SetPointerCursor(shape); } #else qWarning("qt_s60_setWindowGroupCursor - null handle"); #endif } /* * Makes the specified cursor appear above a specific native window * Called from QSymbianControl and QApplication::restoreOverrideCursor * * Window server is needed for this, so there is no equivalent when using * the sprite workaround. */ void qt_symbian_setWindowCursor(const QCursor &cursor, const CCoeControl* wid) { //find the window for this control while (!wid->OwnsWindow()) { wid = wid->Parent(); if (!wid) return; } RWindowTreeNode *node = wid->DrawableWindow(); qt_symbian_setWindowGroupCursor(cursor, *node); } /* * Makes the specified cursor appear everywhere. * Called from QApplication::setOverrideCursor */ void qt_symbian_setGlobalCursor(const QCursor &cursor) { #ifndef Q_SYMBIAN_FIXED_POINTER_CURSORS if (S60->brokenPointerCursors) { qt_symbian_set_pointer_sprite(cursor); } else #endif { //because of the internals of window server, we need to force the cursor //to be set in all child windows too, otherwise when the cursor is over //the child window it may show a widget cursor or arrow cursor instead, //depending on construction order. QListIterator iter(QWidgetPrivate::mapper->uniqueKeys()); while(iter.hasNext()) { CCoeControl *ctrl = iter.next(); RWindowTreeNode *node = ctrl->DrawableWindow(); qt_symbian_setWindowGroupCursor(cursor, *node); } } } QT_END_NAMESPACE #endif // QT_NO_CURSOR