QGraphicsView mousePressEvent -- how to setup the signal and slots?

[jiapei100]

Hi, all:

I created a class "CqtImageView" which inherits from QGraphicsView, in which I overwrite mousePressEvent

class CqtImageView : public QGraphicsView
{
...
void 					mousePressEvent(QMouseEvent *event);
...
}

class CqtImageView : public QGraphicsView
{
...
void 					mousePressEvent(QMouseEvent *event);
...
}

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One "CqtImageView" object is further created in the "Ui" of my main class,

class CMyMain : public QMainWindow
{
...
Ui::mymainClass		ui;
...
}

class CMyMain : public QMainWindow
{
...
Ui::mymainClass		ui;
...
}

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this ui contains a "CqtImageView" widget.


I would like to count the mouse pressed times over the CqtImageView in CMyMain class.
Therefore, I may need an signal-slot to inform CMyMain when mousePressEvent happens.

How to?

Cheers
JIA

[aamer4yu]

Therefore, I may need an signal-slot to inform CMyMain when mousePressEvent happens.

You are right there..
from the CqtImageView ::mousePressEvent emit a custom signal
emit viewPressed(); you can also have a internal count and may have a signal like
void viewPressed(int /*count*/);

Then in main window I guess you know how to connect signal-slots , right ?