On Fri, 31 Jan 2014 16:39:26 -0500 Robert Heller <hel...@deepsoft.com> said:

> At Sat, 1 Feb 2014 06:28:50 +0900 Carsten Haitzler (The Rasterman)
> <ras...@rasterman.com> wrote:
> 
> > 
> > On Fri, 31 Jan 2014 12:47:22 -0500 Robert Heller <hel...@deepsoft.com> said:
> > 
> > > At Fri, 31 Jan 2014 14:12:35 -0200 Enlightenment users discussion &
> > > support <enlightenment-users@lists.sourceforge.net> wrote:
> > > 
> > > > 
> > > > On Fri, Jan 31, 2014 at 12:56 PM, Robert Heller <hel...@deepsoft.com>
> > > > wrote:
> > > > > Where is this argument documented?  Specificly, which Evas event
> > > > > structure is passed for an elementary button widget for a "clicked"
> > > > > event?  I would like to get various event information, such as the x
> > > > > and y position of the mouse (I know this information is there
> > > > > somewhere, since it is part of the underlying X11 event).  Can I just
> > > > > cast the event_info pointer to a Evas_Event_Mouse_Down object?  Or is
> > > > > the event_info something else?  Nowhere in the elementary docs for
> > > > > the button widget
> > > > > (http://docs.enlightenment.org/stable/elementary/group__Button.html)
> > > > > says what is passed.  ALL of the examples totally ignore the third
> > > > > argument to the event callbacks and *nowhere* is this parameter
> > > > > documented, other than in the Evas docs which just say that it
> > > > > contains some event specific structure.
> > > > >
> > > > 
> > > > As a general rule, if the documentation for the widget doesn't say
> > > > what event_info is,
> > > > you can assume there's nothing there.
> > > 
> > > Well, that kind of sucks...
> > > 
> > > Second question: given an Evas_Object (what is passed into the "clicked"
> > > event callback -- I am assuming this is the elm_button object), is it
> > > possible to get the *root* x & y position?  I know that I can get the
> > > object's *relative* [to its parent] x and y via evas_object_geometry_get
> > > (), but how would I get the root window position?  I presume I would have
> > > to walk up the tree, but would this work correctly?
> > 
> > there i think you have a misunderstanding. evas_object_geometry_get() never
> > gets relative geometry. evas has no concept of relative geometry...
> > everything is absolute in canvas geomtery. (relative to canvas top-left)
> 
> What I *meant* by "relative geometry" was "relative to canvas top-left".
> What I *want* is the *absolute* x and y on the root window.  Is it possible
> to get this?

you will have to query the window location yourself. elm_win provides one of
these for you :) elm_win_screen_position_get()

> > > static
> > > void event_cb(void *data, Evas_Object *obj, void
> > > *event_info) {    
> > >     Evas_Coord relx, rely, topx, topy, rootx, rooty, w,
> > > h; Evas_Object *top = elm_object_top_widget_get ( obj
> > > ); 
> > >     evas_object_geometry_get (obj, &relx, &rely, &w,
> > > &h); evas_object_geometry_get (top, &topx, &topy, NULL,
> > > NULL); rootx = topx +
> > > relx; rooty = topy + rely;                                
> > > 
> > >     ...
> > > }
> > > 
> > > Evas_Object *button = elm_button_add(win);
> > > evas_object_smart_callback_add(button, "clicked", event_cb, mumble);    
> > > 
> > > > 
> > > > > --
> > > > > Robert Heller             -- 978-544-6933 / hel...@deepsoft.com
> > > > > Deepwoods Software        -- http://www.deepsoft.com/
> > > > > ()  ascii ribbon campaign -- against html e-mail
> > > > > /\  www.asciiribbon.org   -- against proprietary attachments
> > > > >
> > > > >
> > > > >
> > > > >
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> > > >                                                                         
> > > >                          
> > > 
> > > -- 
> > > Robert Heller             -- 978-544-6933 / hel...@deepsoft.com
> > > Deepwoods Software        -- http://www.deepsoft.com/
> > > ()  ascii ribbon campaign -- against html e-mail
> > > /\  www.asciiribbon.org   -- against proprietary attachments
> > > 
> > > 
> > >                                                                           
> > >                                                   
> > > 
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> > > 
> > 
> > 
> 
> -- 
> Robert Heller             -- 978-544-6933 / hel...@deepsoft.com
> Deepwoods Software        -- http://www.deepsoft.com/
> ()  ascii ribbon campaign -- against html e-mail
> /\  www.asciiribbon.org   -- against proprietary attachments
> 
> 
>                           
> 
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> security issues and trends.  Skip the complicated setup - simply import
> a virtual appliance and go from zero to informed in seconds.
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-- 
------------- Codito, ergo sum - "I code, therefore I am" --------------
The Rasterman (Carsten Haitzler)    ras...@rasterman.com


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