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C++ GlMainWidget::setCursor方法代码示例

本文整理汇总了C++中GlMainWidget::setCursor方法的典型用法代码示例。如果您正苦于以下问题：C++ GlMainWidget::setCursor方法的具体用法？C++ GlMainWidget::setCursor怎么用？C++ GlMainWidget::setCursor使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GlMainWidget的用法示例。


在下文中一共展示了GlMainWidget::setCursor方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: eventFilter

//===============================================================
bool MouseElementDeleter::eventFilter(QObject *widget, QEvent *e) {
  QMouseEvent *qMouseEv = (QMouseEvent *) e;

  if(qMouseEv != NULL) {
    node tmpNode;
    edge tmpEdge;
    ElementType type;
    GlMainWidget *glMainWidget = (GlMainWidget *) widget;

    if(e->type() == QEvent::MouseMove) {
      if (glMainWidget->doSelect(qMouseEv->x(), qMouseEv->y(), type, tmpNode, tmpEdge)) {
        glMainWidget->setCursor(QCursor(QPixmap(":/i_del.png")));
      }
      else {
        glMainWidget->setCursor(Qt::ArrowCursor);
      }

      return false;
    }
    else if (e->type() == QEvent::MouseButtonPress && qMouseEv->button()==Qt::LeftButton) {
      if (glMainWidget->doSelect(qMouseEv->x(), qMouseEv->y(), type, tmpNode, tmpEdge)) {
        Observable::holdObservers();
        Graph* graph = glMainWidget->getGraph();
        // allow to undo
        graph->push();

        switch(type) {
        case NODE:
          graph->delNode(tmpNode);
          break;

        case EDGE:
          graph->delEdge(tmpEdge);
          break;
        }

        glMainWidget->redraw();
        Observable::unholdObservers();
        return true;
      }
    }
  }

  return false;
}
开发者ID:kdbanman，项目名称:browseRDF，代码行数:46，代码来源:MouseInteractors.cpp

示例2: eventFilter

//========================================================================================
bool MouseSelectionEditor::eventFilter(QObject *widget, QEvent *e) {
  QMouseEvent *qMouseEv = static_cast<QMouseEvent *>(e);
  GlMainWidget *glMainWidget = static_cast<GlMainWidget *>(widget);

  if (e->type() == QEvent::MouseButtonPress) {

    initProxies(glMainWidget);
    computeFFD(glMainWidget);

    int H;
    H = glMainWidget->height();
    editCenter = centerRect.getCenter();
    editCenter[2] = 0;
    editCenter[1] = glMainWidget->screenToViewport(H) - editCenter[1];
    // editCenter[0] = W - editCenter[0];
    editPosition[0] = qMouseEv->x();
    editPosition[1] = qMouseEv->y();
    editPosition[2] = 0;
    editLayoutCenter = _layoutCenter;

    vector<SelectedEntity> select;

    switch (qMouseEv->buttons()) {
    case Qt::LeftButton: {
      // first ensure that something is selected
      bool hasSelection = _selection->hasNonDefaultValuatedNodes(_graph) ||
                          _selection->hasNonDefaultValuatedEdges(_graph);

      if (!hasSelection ||
          (!glMainWidget->pickGlEntities(int(editPosition[0]) - 3, int(editPosition[1]) - 3, 6, 6,
                                         select, layer))) {
        // event occurs outside the selection rectangle
        // so from now we delegate the job to a MouseSelector object
        // which should intercept the event
        operation = NONE;
        glMainWidget->setCursor(QCursor(Qt::CrossCursor));

        return false;
      }

      glMainWidget->setCursor(QCursor(Qt::PointingHandCursor));

      int shapeId = -1;
      bool advShape = false;

      for (unsigned int i = 0; (i < select.size()) && (shapeId == -1); ++i) {
        for (int j = 0; j < 8; ++j) {
          if (select[i].getSimpleEntity() == &_controls[j]) {
            shapeId = i;
          }
        }

        for (int j = 0; j < 6; ++j) {
          if (select[i].getSimpleEntity() == &_advControls[j]) {
            advShape = true;
            shapeId = i;
          }
        }
      }

      if (shapeId != -1) {
        if (!advShape) {
          static_cast<GlCircle *>(select[shapeId].getSimpleEntity())
              ->setFillColor(Color(40, 255, 40, 200));
          static_cast<GlCircle *>(select[shapeId].getSimpleEntity())
              ->setOutlineColor(Color(20, 128, 20, 200));
        }

        getOperation(select[shapeId].getSimpleEntity());

        switch (operation) {
        case ALIGN_TOP:
        case ALIGN_BOTTOM:
        case ALIGN_LEFT:
        case ALIGN_RIGHT:
        case ALIGN_VERTICALLY:
        case ALIGN_HORIZONTALLY:
          mAlign(operation, glMainWidget);
          return true;

        case ROTATE_Z:
        case ROTATE_XY:
        case NONE:
        case STRETCH_X:
        case STRETCH_Y:
        case STRETCH_XY:
        case TRANSLATE:
        default:
          break;
        }
      } else {
        if (qMouseEv->modifiers() &
#if defined(__APPLE__)
            Qt::AltModifier
#else
            Qt::ControlModifier
#endif
        ) {
          operation = ROTATE_XY;
//.........这里部分代码省略.........
开发者ID:tulip5，项目名称:tulip，代码行数:101，代码来源:MouseSelectionEditor.cpp

示例3: eventFilter

bool MouseEdgeBuilder::eventFilter(QObject *widget, QEvent *e) {

    GlMainWidget *glMainWidget = static_cast<GlMainWidget *>(widget);

    if (e->type() == QEvent::MouseButtonPress) {
        QMouseEvent * qMouseEv = static_cast<QMouseEvent *>(e);

        SelectedEntity selectedEntity;
        GlGraphInputData *inputData=glMainWidget->getScene()->getGlGraphComposite()->getInputData();
        Graph * _graph = inputData->getGraph();

        LayoutProperty* mLayout = inputData->getElementLayout();

        if (qMouseEv->buttons()==Qt::LeftButton) {
            if (!_started) {
                bool result=glMainWidget->pickNodesEdges(qMouseEv->x(), qMouseEv->y(), selectedEntity);

                if (result && (selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED)) {
                    _started=true;
                    initObserver(_graph);
                    _source=node(selectedEntity.getComplexEntityId());
                    _curPos=_startPos=mLayout->getNodeValue(_source);
                    return true;
                }

                return false;
            }
            else {
                bool result = glMainWidget->pickNodesEdges(qMouseEv->x(),qMouseEv->y(),selectedEntity);

                if (result && (selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED)) {
                    Observable::holdObservers();
                    _started=false;
                    clearObserver();
                    // allow to undo
                    _graph->push();
                    addLink(widget,_source,node(selectedEntity.getComplexEntityId()));
                    Observable::unholdObservers();

                }
                else {
                    Coord point(glMainWidget->width() - qMouseEv->x(), qMouseEv->y(), 0);
                    _bends.push_back(glMainWidget->getScene()->getGraphCamera().viewportTo3DWorld(glMainWidget->screenToViewport(point)));
                    glMainWidget->redraw();
                }
            }

            return true;
        }

        if (qMouseEv->buttons()==Qt::MidButton) {
            _bends.clear();
            _started=false;
            _source=node();
            clearObserver();
            glMainWidget->draw();
            return true;
        }
    }

    if  (e->type() == QEvent::MouseMove) {
        QMouseEvent * qMouseEv = static_cast<QMouseEvent *>(e);

        if (!_started) {
            SelectedEntity selectedEntity;
            bool hoveringOverNode = glMainWidget->pickNodesEdges(qMouseEv->x(), qMouseEv->y(), selectedEntity) && selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED;

            if (!hoveringOverNode) {
                glMainWidget->setCursor(QCursor(Qt::ArrowCursor));
                return false;
            }
            else {
                glMainWidget->setCursor(QCursor(Qt::CrossCursor));
            }
        }
        else {
            SelectedEntity selectedEntity;

            if(glMainWidget->pickNodesEdges(qMouseEv->x(), qMouseEv->y(), selectedEntity) && selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED) {
                glMainWidget->setCursor(QCursor(Qt::CrossCursor));
            }
            else {
                glMainWidget->setCursor(QCursor(Qt::ArrowCursor));
            }

            Coord point(glMainWidget->width() - qMouseEv->x(), qMouseEv->y(), 0);
            point = glMainWidget->getScene()->getGraphCamera().viewportTo3DWorld(glMainWidget->screenToViewport(point));
            _curPos.set(point[0], point[1], point[2]);
            glMainWidget->redraw();
        }

        return true;
    }

    return false;
}
开发者ID:mneumann，项目名称:tulip，代码行数:96，代码来源:MouseEdgeBuilder.cpp

示例4: eventFilter

//========================================================================================
bool MouseEdgeBendEditor::eventFilter(QObject *widget, QEvent *e) {

  QMouseEvent * qMouseEv = (QMouseEvent *) e;

  if(qMouseEv == NULL)
    return false;

  // Double click to create a new control point
  if(e->type() == QEvent::MouseButtonDblClick &&  qMouseEv->button() == Qt::LeftButton && haveSelection(glMainWidget)) {
    _operation = NEW_OP;
    mMouseCreate(qMouseEv->x(), qMouseEv->y(), glMainWidget);
    return true;
  }

  if (e->type() == QEvent::MouseButtonPress) {
    if(!glMainWidget)
      glMainWidget = (GlMainWidget *) widget;

    initProxies(glMainWidget);
    bool hasSelection = haveSelection(glMainWidget);

    editPosition[0] = qMouseEv->x();
    editPosition[1] = qMouseEv->y();
    editPosition[2] = 0;

    switch(qMouseEv->buttons()) {
    case Qt::LeftButton : {

      if (!hasSelection) {
        // event occurs outside the selection rectangle
        // so from now we delegate the job to a MouseEdgeSelector object
        // which should intercept the event
        _operation = NONE_OP;
      }
      else {

        bool entityIsSelected = glMainWidget->pickGlEntities((int)editPosition[0] - 3, (int)editPosition[1] - 3, 6, 6, select, layer);

        if(!entityIsSelected) {
          // We have click outside an entity
          _operation = NONE_OP;
        }
        else {
          selectedEntity=circleString->findKey(select[0].getSimpleEntity());

          if (qMouseEv->modifiers() &
#if defined(__APPLE__)
              Qt::AltModifier
#else
              Qt::ControlModifier
#endif
             ) {
            _operation = DELETE_OP;
            mMouseDelete();
          }
          else {
            _graph->push();
            _operation = TRANSLATE_OP;
            glMainWidget->setCursor(QCursor(Qt::SizeAllCursor));
            mode = COORD;
          }

          return true;
        }
      }

      break;
    }

    default: {
      return false;
    }
    }

    glMainWidget->redraw();
  }

  if (e->type() == QEvent::MouseButtonRelease &&
      qMouseEv->button() == Qt::LeftButton &&
      _operation != NONE_OP) {
    GlMainWidget *glMainWidget = (GlMainWidget *) widget;

    if(selectedEntity=="targetTriangle") {
      SelectedEntity selectedEntity;

      if (glMainWidget->pickNodesEdges(qMouseEv->x(), qMouseEv->y(), selectedEntity) && selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED) {
        glMainWidget->getScene()->getGlGraphComposite()->getGraph()->setEnds(mEdge,glMainWidget->getScene()->getGlGraphComposite()->getGraph()->ends(mEdge).first,node(selectedEntity.getComplexEntityId()));
      }
    }
    else if(selectedEntity=="sourceCircle") {
      SelectedEntity selectedEntity;

      if (glMainWidget->pickNodesEdges(qMouseEv->x(), qMouseEv->y(), selectedEntity) && selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED) {
        glMainWidget->getScene()->getGlGraphComposite()->getGraph()->setEnds(mEdge,node(selectedEntity.getComplexEntityId()),glMainWidget->getScene()->getGlGraphComposite()->getGraph()->ends(mEdge).second);
      }
    }

    selectedEntity="";

//.........这里部分代码省略.........
开发者ID:vadivelselvaraj，项目名称:TulipGLImprovement，代码行数:101，代码来源:MouseEdgeBendEditor.cpp


注：本文中的GlMainWidget::setCursor方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。