Russian Qt Forum

#include <QWidget>

class MapView;

class CreatePolyLineTool : public QWidget
{
	Q_OBJECT

protected:
	void paintEvent(QPaintEvent* ev);
	bool eventFilter(QObject *obj, QEvent *ev);
public:
	CreatePolyLineTool(QWidget* parent);
};

#include "CreatePolyLineTool.h"
#include <QPainter>

CreatePolyLineTool::CreatePolyLineTool(QWidget*parent)
	: QWidget(parent)
{
	resize(parent->size());
	parent->installEventFilter(this);
}


void CreatePolyLineTool::paintEvent(QPaintEvent* ev)
{
	QPainter painter(this);
//Рисуем, что хотим
//	painter.drawPolyline(_polygon);
}

bool CreatePolyLineTool::eventFilter(QObject* obj, QEvent* ev)
{
	if(obj==parentWidget() && ev->type()==QEvent::Resize)
		resize(parentWidget()->size());
	return false;
}

void CreatePolyLineTool::wheelEvent ( QWheelEvent * event ) 
{
     event->ignore();
}

void wheelEvent ( QWheelEvent * event ) 
{
     event->ignore();
}

#include "GraphicsLegend.h"

#include <QGraphicsScene>
#include <QGraphicsView>
#include <QGraphicsTextItem>

class GraphicsScene : public QGraphicsScene
{
public:
    GraphicsScene();
	QGraphicsView *getView() { return &view; }

private:
	QGraphicsView view;
	GraphicsLegend legend;

	void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent);

};

#include "GraphicsScene.h"

GraphicsScene::GraphicsScene()
: legend (&view)
{
	view.setScene(this);
	QGraphicsTextItem *text = this->addText("text");
	text->setPos(200,200);
}

void GraphicsScene::mousePressEvent(QGraphicsSceneMouseEvent *)
{
	exit(1);
}

#include <QWidget>
#include <QPainter>
#include <QMouseEvent>

class GraphicsLegend : public QWidget
{
	Q_OBJECT
public:
	GraphicsLegend(QWidget* parent);

protected:
	void paintEvent(QPaintEvent* ev);
	bool eventFilter(QObject *obj, QEvent *ev);

	virtual void mousePressEvent ( QMouseEvent * event )
	{
		 event->ignore();
	}

	void wheelEvent ( QWheelEvent * event )
	{
		 event->ignore();
	}
};

GraphicsLegend *legend = new GraphicsLegend(&view);

GraphicsLegend(QWidget* parent)
{
    resize(parent->size());
    parent->installEventFilter(this);
 }

class GraphicsLegend : public QWidget
{
	Q_OBJECT
public:
	GraphicsLegend(QWidget* parent)
	: QWidget (parent)
    {
        resize(parent->size());
        parent->installEventFilter(this);
    }

protected:
	void paintEvent(QPaintEvent* ev)
    {
		QPainter painter(this);
		painter.drawText(50, 50, "!!");
    }

	bool eventFilter(QObject *obj, QEvent *ev)
    {
        if(obj==parentWidget() && ev->type()==QEvent::Resize)
            resize(parentWidget()->size());
        return false;
    }
};

#include <QGraphicsView>
#include <QEvent>

class GraphicsView : public QGraphicsView
{
public:
    GraphicsView();

protected:
	virtual bool event(QEvent *event)
	{
		if (event->type() == QEvent::MouseButtonPress) {
			this->mousePressEvent((QMouseEvent *)event);
			return false;
		}
		else if ( event->type() == QEvent::Wheel ) {
			this->wheelEvent((QWheelEvent *)event);
			return false;
		}
		// else if ... и т.д.

		return QGraphicsView::event(event);
	}
};