Re: signal

[Mark Roberts <gtkmm manumark de>]

Dear pch0317,

> Hi list
> I have problem. I can't find which signal is related to emit when I move
> cursor above widget.

> I use:
> widget.signal_button_press_event().connect(sigc::mem_fun(*this,
> &Something1)); when I want to use Something1 function when i click on
> widget and

> widget.signal_button_release_event().connect(sigc::mem_fun(*this,
> &Something2)); when I want to use Something2 function when I release
> mouse button.

> How I must type to use Something3 when I move cursor above widget.

For when mouse pointer moves from outside the widget to inside, use 
signal_enter_notify_event(). For when it moves back outside, use 
signal_leave_notify_event(). In order to catch any mouse movement within 
your widget, use signal_motion_notify_event().

Remember that your users might not all be using a mouse. In particular, 
lots of people use the keyboard to navigate dialogs.

I hope you are all having good weather (though I know it is unlikely).
Mark