Changes

1,268 bytes added , 08:43, 17 July 2012

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There are some things related with <tt>gtk.DrawingArea</tt> that we have to change when we are porting an activity to Gtk3. The names of the signals change and the way that they work as well.

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== Get allocation size ==

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''self.allocation'' property is no longer available and we should use <tt>self.get_allocation_width</tt> to get the allocation size:

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self.allocation.width

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self.allocation.height

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should be replaced by:

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self.get_allocated_width()

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self.get_allocated_height()

== Signals ==

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def _configure_event_cb(self, widget, event):

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~~I just used the ''size-allocate'' signal to save the the dimensions of the widget (width and height), so I can use them later on the '''draw''' signal.~~

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~~def _size_allocate_cb(self, widget, rect):~~

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~~self.width = rect.width~~

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~~self.height = rect.height~~

== Focus ==

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Rsvg.Handle.new_from_data(data)

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= Invalidate rectangle =

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<tt>Gdk.Window.invalidate_rect</tt> takes a ''Gdk.Rectangle'' instead a tuple in Gtk3.

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rect = Gdk.Rectangle()

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rect.x, rect.y, rect.width, rect.height = (0, 0, width, height)

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self.get_window().invalidate_rect(rect, True)

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= Notes =

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* I had to add a third argument (None) to Gtk.Notebook.append_page but I don't know why

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* Use '''json''' instead of ''simplejson'' or so

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* Replace <tt>gtk.VISIBLE</tt> by '''Gtk.AccelFlags.VISIBLE'''

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= Missing things (not ported yet) =

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* ''sugarless.py'' is not working. The board is not shown. Do we update this to keep it working? I mean, do we need to maintain this code?

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* [<span style="color: green;">DONE</span>] <del>help dialogue is not working. It shows the example board but it's one pixel size when it opens</del>

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* When the help dialogue is shown and you hover the animation with the mouse something strange happens and it starts to flap. [http://bugs.sugarlabs.org/attachment/ticket/3715/53.png Screenshot]

= Useful Links =

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* http://developer.gnome.org/gtk3/3.5/GtkWidget.html#GtkWidget-configure-event

* http://developer.gnome.org/rsvg/stable/

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* http://developer.gnome.org/gdk3/stable/gdk3-Windows.html#gdk-window-invalidate-rect

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* http://developer.gnome.org/gtk3/3.5/GtkWidget.html#gtk-widget-get-allocated-width

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* http://developer.gnome.org/gtk3/3.5/GtkNotebook.html#gtk-notebook-append-page

Humitos

266

edits

Changes

Features/GTK3/Porting/Implode (view source)

Revision as of 08:43, 17 July 2012