Re: [gtk-list] Re: proposals

[Damon Chaplin <damon karuna freeserve co uk>]

Conrad Steenberg wrote:
> 
> Hi
> 
> With all this discussion about mouse-button actions with keys pressed and
> whatnot, I have related programming question:
> 
> How can I implement testing for the shift/ctrl/ etc. ? Can I do this in a
> button_press_event handler in some way? Or do I have to have a
> key_pressed_event handler that watches for keypresses and sets flags that
> the button_press_event handlers can test for?

A lot of the GdkEventXXX structs contain a 'state' field which tells you which
modifiers are currently pressed.

So you normally do:

  if (event->state & GDK_CONTROL_MASK)

Look at GdkModifierType in gdk/gdktypes.h for a list of modifiers/buttons
available.

Damon