IRC log of #maemo-devel for Sunday, 2011-01-02

« Saturday, 2011-01-01 Index Monday, 2011-01-03 »
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Ken-YoungRunning on maemo 5, how can an application know when it has been minimized?13:57
pH5Ken-Young: it loses input focus, for example14:08
Ken-YoungpH5, Yes, that's what I mean - if the little pair of boxes on the upper left is clicked, so that the current app is shunk and becomes part of the matirx of running apps.   I want to detect that condition, and stop updating the app's display to lower power usage.14:11
Ken-Youngs/shunk/shrunk/14:12
pH5Ken-Young: which toolkit? have a look at http://library.gnome.org/devel/gtk/stable/GtkWidget.html#GtkWidget-focus-out-event or http://doc.qt.nokia.com/4.7/qwidget.html#focusOutEvent14:20
Ken-YoungpH5, Thanks.   I'm using C and gtk.14:21
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Ken-YoungpH5 - I still can't get it to work.   Do you know if a specific event is sent to the application when it is minimized or maximized?   If so, do you know the name of that event?14:48
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pH5Ken-Young: you have to connect to the "focus-out-event" signal of your top level window15:03
Ken-YoungpH5,  on the gtk_widget_set_events call, do I enable GDK_FOCUS_CHANGE ?15:04
pH5I think so, but it works here without doing that explicitly.15:05
Ken-YoungpH5 - hmmm, I'm doing something wrong.   I call g_signal_connect with "focus_out_event", but my service routine never gets called.15:07
pH5dashes vs underscores?15:07
Ken-YoungI'm using underscores, because I also use expose_event, button_release_event, button_press_event, and more, and all those events get properly delivered, and they all use underscores, so I assumed focus_out_event used underscores too.15:09
Ken-YoungI just tried dashes - it still doesn't get the event.15:10
pH5strange. simple example that works here: http://pastebin.com/Zw1mT9Fu15:11
Ken-YoungpH5, Thanks, that helped.   I was not enabling the signal on the outermost widget, and that seems to have been the problem (even though it isn't a problem for other signals).   I get the signal now - thanks again!15:19
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