C++ QCursor::shape方法代码示例

SetWaitCursor::~SetWaitCursor()
{
    if (m_guiApp) {

        RG_DEBUG << "SetWaitCursor::SetWaitCursor() : restoring normal cursor\n";
        QWidget* viewport = 0;
        QCursor currentCompositionViewCursor;

        if ((m_guiApp->getView() &&
                m_guiApp->getView()->getTrackEditor() &&
                m_guiApp->getView()->getTrackEditor()->getCompositionView() &&
                m_guiApp->getView()->getTrackEditor()->getCompositionView()->viewport())) {
            viewport = m_guiApp->getView()->getTrackEditor()->getCompositionView()->viewport();
            currentCompositionViewCursor = viewport->cursor();
        }

        m_guiApp->setCursor(m_saveCursor);

        if (viewport) {
            if (currentCompositionViewCursor.shape() == Qt::WaitCursor) {
                viewport->setCursor(m_saveCompositionViewCursor);
            } else {
                viewport->setCursor(currentCompositionViewCursor); // because m_guiApp->setCursor() has replaced it
            }
        }

        // otherwise, it's been modified elsewhere, so leave it as is

    }

}

void MainDialog::onStateChanged(int state, short disconnectStatus)
{
    QColor clr = BTN_RED;
    if( state == CloseWaitState || state == ProgressState ) {
        QCursor* ovrCur = QApplication::overrideCursor();
        if( ovrCur == NULL || ovrCur->shape() != Qt::WaitCursor )
            QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
        clr = BTN_YELLOW;
    }
    if( state == EstablishState ) {
        QApplication::restoreOverrideCursor();
        startButton_->setEnabled( false );
        stopButton_->setEnabled( true );
        clr = BTN_GREEN;
    }
    else {
        QApplication::restoreOverrideCursor();
        startButton_->setEnabled(true);
        stopButton_->setEnabled(false);
    }

    QPalette pal;
    pal.setColor(QPalette::Button, clr);
    colorButton_->setPalette(pal);
}

void QDragManager::updateCursor()
{
#ifndef QT_NO_CURSOR
    if (willDrop) {
        if (qt_qws_dnd_deco)
            qt_qws_dnd_deco->show();
        if (currentActionForOverrideCursor != global_accepted_action) {
            QApplication::changeOverrideCursor(QCursor(dragCursor(global_accepted_action), 0, 0));
            currentActionForOverrideCursor = global_accepted_action;
        }
    } else {
        QCursor *overrideCursor = QApplication::overrideCursor();
        if (!overrideCursor || overrideCursor->shape() != Qt::ForbiddenCursor) {
            QApplication::changeOverrideCursor(QCursor(Qt::ForbiddenCursor));
            currentActionForOverrideCursor = Qt::IgnoreAction;
        }
#ifndef EMSCRIPTEN
        // Hiding the pixmap feels weird, and doesn't match the desktop behaving;
        // so I've disabled it for Emscripten.
        if (qt_qws_dnd_deco)
            qt_qws_dnd_deco->hide();
#endif
    }
#endif
}

void GenericCodeEditor::hideMouseCursor()
{
#ifdef Q_OS_MAC
    return; // LATER: for some reason this crashes on osx. we should try to figure out why
#endif
    QCursor * overrideCursor = QApplication::overrideCursor();
    if (!overrideCursor || overrideCursor->shape() != Qt::BlankCursor)
        QApplication::setOverrideCursor( Qt::BlankCursor );
}

int QtCursorDatabase::cursorToValue(const QCursor &cursor) const
{
#ifndef QT_NO_CURSOR
    Qt::CursorShape shape = cursor.shape();
    if (m_cursorShapeToValue.contains(shape))
        return m_cursorShapeToValue[shape];
#endif
    return -1;
}

bool LLWebView::event(QEvent* event)
{
    if (window && event->type() == QEvent::CursorChange) {
        QCursor cursor = this->cursor();
        if (currentShape != cursor.shape()) {
            currentShape = cursor.shape();
            LLQtWebKit::ECursor llcursor;
            switch(currentShape)
            {
                case Qt::ArrowCursor:
                    llcursor = LLQtWebKit::C_ARROW;
                break;
                case Qt::PointingHandCursor:
                    llcursor = LLQtWebKit::C_POINTINGHAND;
                break;
                case Qt::IBeamCursor:
                    llcursor = LLQtWebKit::C_IBEAM;
                break;
                case Qt::SplitVCursor:
                    llcursor = LLQtWebKit::C_SPLITV;
                break;
                case Qt::SplitHCursor:
                    llcursor = LLQtWebKit::C_SPLITH;
                break;
                default:
                    qWarning() << "Unhandled cursor shape:" << currentShape;
                    llcursor = LLQtWebKit::C_ARROW;
            }

            LLEmbeddedBrowserWindowEvent event(window->getWindowId());
			event.setEventUri(window->getCurrentUri());
			event.setIntValue((int)llcursor);
            window->d->mEventEmitter.update(&LLEmbeddedBrowserWindowObserver::onCursorChanged, event);
        }
		
		return true;
    }
    return QGraphicsWebView::event(event);
}

QXcbCursorCacheKey::QXcbCursorCacheKey(const QCursor &c)
    : shape(c.shape()), bitmapCacheKey(0), maskCacheKey(0)
{
    if (shape == Qt::BitmapCursor) {
        const qint64 pixmapCacheKey = c.pixmap().cacheKey();
        if (pixmapCacheKey) {
            bitmapCacheKey = pixmapCacheKey;
        } else {
            Q_ASSERT(c.bitmap());
            Q_ASSERT(c.mask());
            bitmapCacheKey = c.bitmap()->cacheKey();
            maskCacheKey = c.mask()->cacheKey();
        }
    }
}

/*
 * 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<RWsPointerCursor *> (handle);
        node.SetCustomPointerCursor(*pcurs);
    } else
#ifdef Q_SYMBIAN_HAS_SYSTEM_CURSORS
    {
        TInt shape = qt_symbian_translate_cursor_shape(cursor.shape());
        node.SetPointerCursor(shape);
    }
#else
    qWarning("qt_s60_setWindowGroupCursor - null handle");
#endif
}

// static
QCursor MapEditorTool::scaledToScreen(const QCursor& unscaled_cursor)
{
	auto scale = Settings::getInstance().getSetting(Settings::General_PixelsPerInch).toReal() / 96.0;
	if (unscaled_cursor.shape() == Qt::BitmapCursor
	    && scale > 1.5)
	{
		// Need to scale our low res image for high DPI screen
		const auto unscaled_pixmap = unscaled_cursor.pixmap();
		const auto scaled_hotspot = QPointF{ unscaled_cursor.hotSpot() } * scale;
		return QCursor{ unscaled_pixmap.scaledToWidth(unscaled_pixmap.width() * scale, Qt::SmoothTransformation),
		                qRound(scaled_hotspot.x()), qRound(scaled_hotspot.y()) };
	}
	else
	{
		return unscaled_cursor;
	}
}

bool EditPickPointsPlugin::StartEdit(MeshModel &mm, GLArea *gla )
{
	//qDebug() << "StartEdit Pick Points: " << mm.fileName.c_str() << " ..." << mm.cm.fn;
	
	//if there are no faces then we cant do anything with this plugin
	if(mm.cm.fn < 1)
	{
		if(NULL != pickPointsDialog)
		{
			pickPointsDialog->hide();
		}
		
		//show message
		QMessageBox::warning(gla->window(), "Edit Pick Points",
				"Sorry, this mesh has no faces on which picked points can sit.",
						QMessageBox::Ok, QMessageBox::Ok);
		return false;
	}
	
	//get the cursor
	QCursor *cursor = QApplication::overrideCursor();	
	if(cursor) overrideCursorShape = cursor->shape();
	else overrideCursorShape = Qt::ArrowCursor;
	
	//set this so redraw can use it
	glArea = gla;
	
	//Create GUI window if we dont already have one
	if(pickPointsDialog == 0)
	{
		pickPointsDialog = new PickPointsDialog(this, gla->window());
	}
	
	currentModel = &mm;
	
	//set the current mesh
	pickPointsDialog->setCurrentMeshModel(&mm, gla);
	
	//show the dialog
	pickPointsDialog->show();
	return true;
}

void QDragManager::updateCursor()
{
#ifndef QT_NO_CURSOR
    if (willDrop) {
        if (qt_qws_dnd_deco)
            qt_qws_dnd_deco->show();
        if (currentActionForOverrideCursor != global_accepted_action) {
            QApplication::changeOverrideCursor(QCursor(dragCursor(global_accepted_action), 0, 0));
            currentActionForOverrideCursor = global_accepted_action;
        }
    } else {
        QCursor *overrideCursor = QApplication::overrideCursor();
        if (!overrideCursor || overrideCursor->shape() != Qt::ForbiddenCursor) {
            QApplication::changeOverrideCursor(QCursor(Qt::ForbiddenCursor));
            currentActionForOverrideCursor = Qt::IgnoreAction;
        }
        if (qt_qws_dnd_deco)
            qt_qws_dnd_deco->hide();
    }
#endif
}

void MainDialog::onStateChanged(quint8 state, const QString& reason)
{
    QColor clr = BTN_RED;
    if( state == EngineClosingState || state == ProgressState ) {
        QCursor* ovrCur = QApplication::overrideCursor();
        if( ovrCur == NULL || ovrCur->shape() != Qt::WaitCursor )
            QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
        clr = BTN_YELLOW;
    }
    if( state == EstablishState || state == EstablishWarnState ) {
        QApplication::restoreOverrideCursor();
        startButton_->setEnabled( false );
        stopButton_->setEnabled( true );
        clr = BTN_GREEN;
    }
    else {
        QApplication::restoreOverrideCursor();
        startButton_->setEnabled(true);
        stopButton_->setEnabled(false);
    }

    QPalette pal;
    pal.setColor(QPalette::Button, clr);
    colorButton_->setPalette(pal);

    if( state == ProgressState )
        statusBar_->connecting(netman_->model()->value(ServerParam));
    else if( state == ReconnectingState )
        statusBar_->reconnecting();
    else if( state == EstablishState || state == EstablishWarnState )
        statusBar_->established(reason);
    else if( state == ForcedClosingState)
        statusBar_->loggedOut(reason);
    else if( state == ClosedFailureState || state == ClosedRemoteState ) {
        statusBar_->disconnected(reason);
        netman_->reconnect();
    }
}

void QBasicDrag::updateCursor(Qt::DropAction action)
{
#ifndef QT_NO_CURSOR
    Qt::CursorShape cursorShape = Qt::ForbiddenCursor;
    if (canDrop()) {
        switch (action) {
        case Qt::CopyAction:
            cursorShape = Qt::DragCopyCursor;
            break;
        case Qt::LinkAction:
            cursorShape = Qt::DragLinkCursor;
            break;
        default:
            cursorShape = Qt::DragMoveCursor;
            break;
        }
    }

    QCursor *cursor = QGuiApplication::overrideCursor();
    QPixmap pixmap = m_drag->dragCursor(action);
    if (!cursor) {
        QGuiApplication::changeOverrideCursor((pixmap.isNull()) ? QCursor(cursorShape) : QCursor(pixmap));
    } else {
        if (!pixmap.isNull()) {
            if ((cursor->pixmap().cacheKey() != pixmap.cacheKey())) {
                QGuiApplication::changeOverrideCursor(QCursor(pixmap));
            }
        } else {
            if (cursorShape != cursor->shape()) {
                QGuiApplication::changeOverrideCursor(QCursor(cursorShape));
            }
        }
    }
#endif
    updateAction(action);
}

//.........这里部分代码省略.........
					Indent -= (MouseX - m->x()) / Scaling;
					if (Indent < 0)
						Indent = 0;
					if (Indent > ColWidth-1)
						Indent  = ColWidth-1;
					First = oldInd - Indent;
					emit MarkerMoved(textBase(), Indent);
					repaint();
					break;
				case rc_rightMargin:
					RMargin -= (MouseX - m->x()) / Scaling;
					if (RMargin < 0)
						RMargin = 0;
					if (RMargin > ColWidth-1)
						RMargin  = ColWidth-1;
					emit MarkerMoved(textBase(), RMargin);
					repaint();
					break;
				case rc_tab:
					TabValues[ActTab].tabPosition -= (MouseX - m->x()) / Scaling;
					if (TabValues[ActTab].tabPosition < 0)
						TabValues[ActTab].tabPosition = 0;
					if (TabValues[ActTab].tabPosition > ColWidth-1)
						TabValues[ActTab].tabPosition  = ColWidth-1;
					emit MarkerMoved(textBase(), TabValues[ActTab].tabPosition);
					UpdateTabList();
					repaint();
					break;
				default:
					break;
			}
			MouseX = m->x();
/*			if (RulerCode != rc_none)
			{
				QPoint py = currView->viewport()->mapFromGlobal(m->globalPos());
				QPainter p;
				p.begin(currView->viewport());
				p.setCompositionMode(QPainter::CompositionMode_Xor);
				p.setPen(QPen(Qt::white, 1, Qt::DotLine, Qt::FlatCap, Qt::MiterJoin));
				QPoint out = currView->contentsToViewport(QPoint(0, qRound(currDoc->currentPage()->yOffset() * Scaling)));
				p.drawLine(Markp, out.y(), Markp, out.y()+qRound(currDoc->currentPage()->height() * Scaling));
				p.drawLine(py.x(), out.y(), py.x(), out.y()+qRound(currDoc->currentPage()->height() * Scaling));
				p.end();
				Markp = py.x();
			}*/
			return;
		}
		if ((!Mpressed) && (m->y() < height()) && (m->y() > 0) && (m->x() > ColStart - 2*currDoc->guidesSettings.grabRad) && (m->x() < ColEnd + 2*currDoc->guidesSettings.grabRad))
		{
			qApp->changeOverrideCursor(QCursor(loadIcon("tab.png"), 3));
			switch(findRulerHandle(m->pos(), currDoc->guidesSettings.grabRad))
			{
				case rc_leftFrameDist:
					qApp->changeOverrideCursor(QCursor(Qt::SplitHCursor));
					break;
				case rc_rightFrameDist:
					qApp->changeOverrideCursor(QCursor(Qt::SplitHCursor));
					break;
				case rc_indentFirst:
					qApp->changeOverrideCursor(QCursor(Qt::SizeHorCursor));
					break;
				case rc_leftMargin:
					qApp->changeOverrideCursor(QCursor(Qt::SizeHorCursor));
					break;
				case rc_rightMargin:
					qApp->changeOverrideCursor(QCursor(Qt::SizeHorCursor));
					break;
				case rc_tab:
					qApp->changeOverrideCursor(QCursor(Qt::SizeHorCursor));
					break;
			}
			Draw(m->x());
			double marker = localToTextPos(m->x());
			emit MarkerMoved(textBase(), marker);
			return;
		}
		if ((Mpressed) && (RulerCode == rc_tab) && ((m->y() > height()) || (m->y() < 0)))
		{
			qApp->changeOverrideCursor(QCursor(loadIcon("DelPoint.png"), 1, 1));
			return;
		}
		qApp->changeOverrideCursor(QCursor(Qt::ArrowCursor));
	}
	else
	{
		if (Mpressed)
		{
			rulerGesture->mouseMoveEvent(m);
		}
		else
		{
			QCursor* cursor = qApp->overrideCursor();
			Qt::CursorShape shape = cursor ? cursor->shape() : Qt::ArrowCursor;
			if ((shape == Qt::SplitHCursor) || (shape == Qt::SplitVCursor))
			{
				qApp->changeOverrideCursor(QCursor(Qt::ArrowCursor));
			}
		}
	}
}

//.........这里部分代码省略.........
			  for(uint i= 1; i < st.count(); i++)t+='/'+st.at(i);
			  att2->setText(1,t);
			}
			else if(val.type() == QVariant::String)att2->setText(1,'"'+val.toString()+'"');
			else if(val.type() == QVariant::CString)att2->setText(1,'"'+val.toCString()+'"');
			else if(val.type() == QVariant::Bool){
			  if(val.toBool())att2->setText(1,"True");
			  else att2->setText(1,"False");
			}
			else if(val.type() == QVariant::Int)att2->setText(1,QString::number(val.toInt()));
			else if(val.type() == QVariant::UInt)att2->setText(1,QString::number(val.toUInt()));
			else if(val.type() == QVariant::Double)att2->setText(1,QString::number(val.toDouble()));
			else if(val.type() == QVariant::Rect){
			  const QRect r = val.toRect();
			  att2->setText(1,'[' + QString::number(r.left())  + ',' + QString::number(r.top())+
				',' + QString::number(r.right()) + ',' + QString::number(r.bottom())+']');
			}
			else if(val.type() == QVariant::Region){
			  const QRegion reg = val.toRegion();
			  QRect r = reg.boundingRect();
			  att2->setText(1,'[' + QString::number(r.left())  + ',' + QString::number(r.top())+
				',' + QString::number(r.right()) + ',' + QString::number(r.bottom())+"],");
			}
			else if(val.type() == QVariant::Size){
			  const QSize s = val.toSize();
			  att2->setText(1,'[' + QString::number(s.width())  + ',' + QString::number(s.height())+']');
			}
			else if(val.type() == QVariant::Point){
			  const QPoint p = val.toPoint();
			  att2->setText(1,'[' + QString::number(p.x())  + ',' + QString::number(p.y())+']');
			}
			else if(val.type() == QVariant::Color){
			  const QColor c = val.toColor();
			  att2->setText(1,'[' + QString::number(c.red())   + ',' +
				QString::number(c.green()) + ',' +
				QString::number(c.blue())  + ']');
			}
			else if(val.type() == QVariant::ColorGroup){
			  const QColorGroup cg = val.toColorGroup();
			  QColor c  = cg.base();
			  att2->setText(1,'[' + QString::number(c.red())   + ',' +
				QString::number(c.green()) + ',' +
				QString::number(c.blue())  + "], ...");
			}
			else if(val.type() == QVariant::Font){
			  const QFont f = val.toFont();
			  QString text = '\'' + f.family()   + "', " + QString::number(f.pointSize())
				+ ", " + QString::number(f.weight());
			  if(f.italic())text+=", italic";
			  att2->setText(1,text);
			}
			else if(val.type() == QVariant::SizePolicy){
			  QSizePolicy sp = val.toSizePolicy();
			  QString text;
			  if(sp.horData() == QSizePolicy::Fixed)text+="Fixed";
			  else if(sp.horData() == QSizePolicy::Minimum )text+="Minimum";
			  else if(sp.horData() == QSizePolicy::Maximum )text+="Maximum";
			  else if(sp.horData() == QSizePolicy::Preferred )text+="Preferred";
			  else if(sp.horData() == QSizePolicy::MinimumExpanding )text+="MinimumExpanding";
			  else if(sp.horData() == QSizePolicy::Expanding )text+="Expanding";
			  text +='/';
			  if(sp.verData() == QSizePolicy::Fixed)text+="Fixed";
			  else if(sp.verData() == QSizePolicy::Minimum )text+="Minimum";
			  else if(sp.verData() == QSizePolicy::Maximum )text+="Maximum";
			  else if(sp.verData() == QSizePolicy::Preferred )text+="Preferred";
			  else if(sp.verData() == QSizePolicy::MinimumExpanding )text+="MinimumExpanding";
			  else if(sp.verData() == QSizePolicy::Expanding )text+="Expanding";
			  
			  att2->setText(1,text);
			}
			else if(val.type() == QVariant::Pixmap){
			  QPixmap pix = val.toPixmap();
			  if(!pix.isNull())att2->setPixmap(1,pix);
			}
			else if(val.type() == QVariant::Cursor){
			  const QCursor cur = val.toCursor();
			  const QBitmap * pix = cur.bitmap();
			  if(pix && !pix->isNull())att2->setPixmap(1,*pix);
			  else att2->setText(1,QString::number(cur.shape()));
			}
		  }
		}
       }

	   const QObjectList * roots = obj->children();
	   if(roots != NULL){
		 __current = new QListViewItem(__current,att,"children","ptr="+QString::number((unsigned long)roots),
		   "List<QObject>["+QString::number(roots->count())+"]");
		 __current->setPixmap(0,__pixappe);
		 QObjectList r(*roots);
		 uint size = r.count();
		 for(uint i = 0; i < size; i++ ){
		   QObject * _obj = r.at(i);
		   process(_obj);
		 }
		 
	   }
	   __current = buf;
       }
    }