• Owen Taylor's avatar
    Add a utility function to translate coordinates relative to one widget's · 1ebe3b51
    Owen Taylor authored
    Tue Oct 16 15:50:03 2001  Owen Taylor  <otaylor@redhat.com>
    	* gtk/gtkwidget.c (gtk_widget_translate_coordinates): Add
    	a utility function to translate coordinates relative to
    	one widget's allocation to coordinates relative to another
    	widget's allocation.
    	* gtk/gtkradiobutton.c: Add a special ->focus() implementation
    	 - only accepts external focus if there is no active
       	   member of the group or the button is active.
    	 - makes arrow keys move the active button as well
    	   as the focus
    	 - make tab tab out directly.
    	This makes a radio button group act as a single focus location.
    	* gtk/gtkcontainer.c (gtk_container_focus): Remove prefiltering -
    	it was only a small optimization that didn't matter and made
    	things more complicated.
    	* gtk/gtkcontainer.c (gtk_container_focus_tab): Get rid of custom
    	sorter for FOCUS_TAB as we did for the other focus directions,
    	sort by center of widgets, not upper-left corner. (Shouldn't
    	matter in general.)
    	* gtk/gtkcontainer.c: Restructure code to remove duplicate code
    	from the different types of focusing: encapsulate sorting the
    	widgets for the focus direction into one routine
    	(gtk_container_focus_sort()) and then share the work of moving the
    	focus between the different focus directions.
    	* gtk/gtkcontainer.c: Fix bug where arrow navigation might not
    	work correctly with focus chains containing non-immediate
    	children. Sorting was being done using allocation coordinates for
    	each widget in the focus chain, and if there were intermediate
    	window-widgets, these allocations would not be in the same
    	coordinate system.
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