Re: [E-devel] Evas box layout doesn't guarantee items' min size.

2016-02-26 Thread The Rasterman
On Thu, 25 Feb 2016 11:08:19 +0900 Conrad Um  said:

> I am trying to bring edje box and table to elm.box and elm.table to provide
> more features.
> 
> Unlike table, each box can have its own layout function, so there are
> several issues to adopt edje box at once. So, if there are not significant
> differences between evas box layouts (builtin edje box uses them) and elm
> box layout, using evas box layouts seems a good choice. By doing that, box
> behaviors will be consistent along with evas, edje and elementary. (at this
> moment, evas = edje != elm)
> 
> BTW, even though we don't make them same, I found that something weird in
> evas box behavior. Look at this picture. http://imgur.com/zYk0HjF

awesomely done. :)

> Let's assume that there is an evas box which has three items.
> The layout function of box is "evas_object_box_layout_horizontal", and
> three items are evas rectangles having size hint min width 50px. (Items can
> be something different, for example, elm.button) The second and third
> item's horizontal weight is EVAS_HINT_EXPAND(1.0). The first one's is 0.
> 
> I expected that size hint min width of box would be 150px. (3 * 50px)
> However, evas box layout ignores expanded item's size hint min, so expanded
> items will become smaller because box doesn't have min size including them.
> 
> I think that boxes' behaviors can be different, but size hint min value of
> items should be guaranteed except that box is resized forcibly smaller than
> its own min size.
> What do you think of this? Is this a normal behavior for evas box?

we can't change the default behavior atm - but we could add new behaviors that
have to be enabled explicitly. :) new layout functions. :)

> Regards,
> conr2d
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[E-devel] Evas box layout doesn't guarantee items' min size.

2016-02-24 Thread Conrad Um
I am trying to bring edje box and table to elm.box and elm.table to provide
more features.

Unlike table, each box can have its own layout function, so there are
several issues to adopt edje box at once. So, if there are not significant
differences between evas box layouts (builtin edje box uses them) and elm
box layout, using evas box layouts seems a good choice. By doing that, box
behaviors will be consistent along with evas, edje and elementary. (at this
moment, evas = edje != elm)

BTW, even though we don't make them same, I found that something weird in
evas box behavior. Look at this picture. http://imgur.com/zYk0HjF

Let's assume that there is an evas box which has three items.
The layout function of box is "evas_object_box_layout_horizontal", and
three items are evas rectangles having size hint min width 50px. (Items can
be something different, for example, elm.button) The second and third
item's horizontal weight is EVAS_HINT_EXPAND(1.0). The first one's is 0.

I expected that size hint min width of box would be 150px. (3 * 50px)
However, evas box layout ignores expanded item's size hint min, so expanded
items will become smaller because box doesn't have min size including them.

I think that boxes' behaviors can be different, but size hint min value of
items should be guaranteed except that box is resized forcibly smaller than
its own min size.
What do you think of this? Is this a normal behavior for evas box?

Regards,
conr2d
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Re: [E-devel] Evas and layout

2009-06-24 Thread Atton Jonathan
The last try of Sachiel: http://pastebin.com/m4d2e9b00 (I don't have the
initial link)
The text is at the top - right, great but the text is display with only 1
line instead of 2 or more if necessary  (yes I use a textblock .) :(

If we use text.min: 0 1 in the edc file, evas infinite loop in the layout
methods :D


2009/6/23 Atton Jonathan jonathan.at...@gmail.com

 Sachiel found this solution :  http://pastebin.com/m30e9012f
 but the text is centered in the x axis.

 I try to play with the weight and the solution of Sachiel but the text is
 always center to the center  the left  or the right of the area's layout :/


 2009/6/23 Gustavo Sverzut Barbieri barbi...@profusion.mobi

 On Tue, Jun 23, 2009 at 4:13 PM, Atton Jonathanjonathan.at...@gmail.com
 wrote:
  If someone find how to set both items to the top, I ll give him a cookie
 !
 
  Test apps: http://watchwolf.fr/public/test_box.tar.gz

 no time to test it now, but it should be a matter of setting weight =
 0 (no weight, no expand) and align.y = 0.0


  2009/6/23 Gustavo Sverzut Barbieri barbi...@profusion.mobi
 
  On Mon, Jun 22, 2009 at 5:49 PM, Atton Jonathan
 jonathan.at...@gmail.com
  wrote:
   hey,
  
   In eyelight I use some vertical layout but I don't get what I want.
 The
   items are not set to the top but are placed to fill all the box. It
   seems
   than the layout does:
   the layout height / number of items = height of an item, each item
 has
   the
   same height !
  
   My items are created  from an edje group with a textblock inside.
  
   I have attached a screenshot of the pb, each item has the same
 height,
   consequently the last item (the bigger item) is not completely
 display !
   The
   vertical layout is not supposed to fit the item list to the top ?
  
   With the help of Sachiel I have made some tests, especially try to
 set
   the
   max size with the result of evas_object_geometry_get() but the result
 is
   0
   :/
  
   Currently my code is:
  
  Evas_Object *o_text = edje_object_add(pres-evas);
  edje_object_file_set(o_text, pres-theme,
   eyelight/item_simple_text) ;
  edje_object_part_text_set(o_text,object.text,text);
  evas_object_size_hint_align_set(o_text, -1, -1);
  evas_object_size_hint_weight_set(o_text, -1, -1);
  evas_object_show(o_text);
  evas_object_move(o_text, 0, 0);
  edje_object_part_box_append(o_area,buf,o_text);
 
 
  check out documentation at
 
 
 http://docs.enlightenment.org/api/evas/html/group__Evas__Object__Box.html#g3aebf02a2e87e43f9dcba5e73291234c
  and the other layout functions. They say what properties they expect
  from child.
 
  As for the space allocated to items: depends on your layout. If you
  choose homogeneous (not the max_size variant), that is correct. If
  you choose the max_size homogeneous, it will query the maximum
  min_size and allocate it to everyone.
 
  As for alignment within the allocated space, that's depend on the
  o_text align hint, in your case you use -1 that means justify
  (align to both top and bottom, or left and right... either centers the
  object or resize it to use the area, depends on min/max hints).
 
  Layout is complex, sorry... we tried to document it, but we could use
  some test cases and examples on various types. Anyone willing to write
  them? :-)
 
  --
  Gustavo Sverzut Barbieri
  http://profusion.mobi embedded systems
  --
  MSN: barbi...@gmail.com
  Skype: gsbarbieri
  Mobile: +55 (19) 9225-2202
 
 
 
  --
  Regards.
 



 --
 Gustavo Sverzut Barbieri
 http://profusion.mobi embedded systems
 --
 MSN: barbi...@gmail.com
 Skype: gsbarbieri
 Mobile: +55 (19) 9225-2202




 --
 Regards.




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Re: [E-devel] Evas and layout

2009-06-24 Thread Gustavo Sverzut Barbieri
On Wed, Jun 24, 2009 at 4:49 AM, Atton Jonathanjonathan.at...@gmail.com wrote:
 The last try of Sachiel: http://pastebin.com/m4d2e9b00 (I don't have the
 initial link)
 The text is at the top - right, great but the text is display with only 1
 line instead of 2 or more if necessary  (yes I use a textblock .) :(

 If we use text.min: 0 1 in the edc file, evas infinite loop in the layout
 methods :D

ouch, this is bad.

I'm quite busy this month, specially this week, so I cannot debug it
or even try the tests or to provide one based on what I think should
work, so you'll have to try  debug it yourself.

If you found a case where it loop forever, please try to fix. I can
take a look later, just ping me during the weekend or next week.

-- 
Gustavo Sverzut Barbieri
http://profusion.mobi embedded systems
--
MSN: barbi...@gmail.com
Skype: gsbarbieri
Mobile: +55 (19) 9225-2202

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Re: [E-devel] Evas and layout

2009-06-23 Thread Gustavo Sverzut Barbieri
On Mon, Jun 22, 2009 at 5:49 PM, Atton Jonathanjonathan.at...@gmail.com wrote:
 hey,

 In eyelight I use some vertical layout but I don't get what I want. The
 items are not set to the top but are placed to fill all the box. It seems
 than the layout does:
 the layout height / number of items = height of an item, each item has the
 same height !

 My items are created  from an edje group with a textblock inside.

 I have attached a screenshot of the pb, each item has the same height,
 consequently the last item (the bigger item) is not completely display ! The
 vertical layout is not supposed to fit the item list to the top ?

 With the help of Sachiel I have made some tests, especially try to set the
 max size with the result of evas_object_geometry_get() but the result is 0
 :/

 Currently my code is:

    Evas_Object *o_text = edje_object_add(pres-evas);
    edje_object_file_set(o_text, pres-theme, eyelight/item_simple_text) ;
    edje_object_part_text_set(o_text,object.text,text);
    evas_object_size_hint_align_set(o_text, -1, -1);
    evas_object_size_hint_weight_set(o_text, -1, -1);
    evas_object_show(o_text);
    evas_object_move(o_text, 0, 0);
    edje_object_part_box_append(o_area,buf,o_text);


check out documentation at
http://docs.enlightenment.org/api/evas/html/group__Evas__Object__Box.html#g3aebf02a2e87e43f9dcba5e73291234c
and the other layout functions. They say what properties they expect
from child.

As for the space allocated to items: depends on your layout. If you
choose homogeneous (not the max_size variant), that is correct. If
you choose the max_size homogeneous, it will query the maximum
min_size and allocate it to everyone.

As for alignment within the allocated space, that's depend on the
o_text align hint, in your case you use -1 that means justify
(align to both top and bottom, or left and right... either centers the
object or resize it to use the area, depends on min/max hints).

Layout is complex, sorry... we tried to document it, but we could use
some test cases and examples on various types. Anyone willing to write
them? :-)

-- 
Gustavo Sverzut Barbieri
http://profusion.mobi embedded systems
--
MSN: barbi...@gmail.com
Skype: gsbarbieri
Mobile: +55 (19) 9225-2202

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Re: [E-devel] Evas and layout

2009-06-23 Thread Atton Jonathan
If someone find how to set both items to the top, I ll give him a cookie !

Test apps: http://watchwolf.fr/public/test_box.tar.gz

2009/6/23 Gustavo Sverzut Barbieri barbi...@profusion.mobi

 On Mon, Jun 22, 2009 at 5:49 PM, Atton Jonathanjonathan.at...@gmail.com
 wrote:
  hey,
 
  In eyelight I use some vertical layout but I don't get what I want. The
  items are not set to the top but are placed to fill all the box. It seems
  than the layout does:
  the layout height / number of items = height of an item, each item has
 the
  same height !
 
  My items are created  from an edje group with a textblock inside.
 
  I have attached a screenshot of the pb, each item has the same height,
  consequently the last item (the bigger item) is not completely display !
 The
  vertical layout is not supposed to fit the item list to the top ?
 
  With the help of Sachiel I have made some tests, especially try to set
 the
  max size with the result of evas_object_geometry_get() but the result is
 0
  :/
 
  Currently my code is:
 
 Evas_Object *o_text = edje_object_add(pres-evas);
 edje_object_file_set(o_text, pres-theme, eyelight/item_simple_text)
 ;
 edje_object_part_text_set(o_text,object.text,text);
 evas_object_size_hint_align_set(o_text, -1, -1);
 evas_object_size_hint_weight_set(o_text, -1, -1);
 evas_object_show(o_text);
 evas_object_move(o_text, 0, 0);
 edje_object_part_box_append(o_area,buf,o_text);


 check out documentation at

 http://docs.enlightenment.org/api/evas/html/group__Evas__Object__Box.html#g3aebf02a2e87e43f9dcba5e73291234c
 and the other layout functions. They say what properties they expect
 from child.

 As for the space allocated to items: depends on your layout. If you
 choose homogeneous (not the max_size variant), that is correct. If
 you choose the max_size homogeneous, it will query the maximum
 min_size and allocate it to everyone.

 As for alignment within the allocated space, that's depend on the
 o_text align hint, in your case you use -1 that means justify
 (align to both top and bottom, or left and right... either centers the
 object or resize it to use the area, depends on min/max hints).

 Layout is complex, sorry... we tried to document it, but we could use
 some test cases and examples on various types. Anyone willing to write
 them? :-)

 --
 Gustavo Sverzut Barbieri
 http://profusion.mobi embedded systems
 --
 MSN: barbi...@gmail.com
 Skype: gsbarbieri
 Mobile: +55 (19) 9225-2202




-- 
Regards.
--
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Re: [E-devel] Evas and layout

2009-06-23 Thread Gustavo Sverzut Barbieri
On Tue, Jun 23, 2009 at 4:13 PM, Atton Jonathanjonathan.at...@gmail.com wrote:
 If someone find how to set both items to the top, I ll give him a cookie !

 Test apps: http://watchwolf.fr/public/test_box.tar.gz

no time to test it now, but it should be a matter of setting weight =
0 (no weight, no expand) and align.y = 0.0


 2009/6/23 Gustavo Sverzut Barbieri barbi...@profusion.mobi

 On Mon, Jun 22, 2009 at 5:49 PM, Atton Jonathanjonathan.at...@gmail.com
 wrote:
  hey,
 
  In eyelight I use some vertical layout but I don't get what I want. The
  items are not set to the top but are placed to fill all the box. It
  seems
  than the layout does:
  the layout height / number of items = height of an item, each item has
  the
  same height !
 
  My items are created  from an edje group with a textblock inside.
 
  I have attached a screenshot of the pb, each item has the same height,
  consequently the last item (the bigger item) is not completely display !
  The
  vertical layout is not supposed to fit the item list to the top ?
 
  With the help of Sachiel I have made some tests, especially try to set
  the
  max size with the result of evas_object_geometry_get() but the result is
  0
  :/
 
  Currently my code is:
 
     Evas_Object *o_text = edje_object_add(pres-evas);
     edje_object_file_set(o_text, pres-theme,
  eyelight/item_simple_text) ;
     edje_object_part_text_set(o_text,object.text,text);
     evas_object_size_hint_align_set(o_text, -1, -1);
     evas_object_size_hint_weight_set(o_text, -1, -1);
     evas_object_show(o_text);
     evas_object_move(o_text, 0, 0);
     edje_object_part_box_append(o_area,buf,o_text);


 check out documentation at

 http://docs.enlightenment.org/api/evas/html/group__Evas__Object__Box.html#g3aebf02a2e87e43f9dcba5e73291234c
 and the other layout functions. They say what properties they expect
 from child.

 As for the space allocated to items: depends on your layout. If you
 choose homogeneous (not the max_size variant), that is correct. If
 you choose the max_size homogeneous, it will query the maximum
 min_size and allocate it to everyone.

 As for alignment within the allocated space, that's depend on the
 o_text align hint, in your case you use -1 that means justify
 (align to both top and bottom, or left and right... either centers the
 object or resize it to use the area, depends on min/max hints).

 Layout is complex, sorry... we tried to document it, but we could use
 some test cases and examples on various types. Anyone willing to write
 them? :-)

 --
 Gustavo Sverzut Barbieri
 http://profusion.mobi embedded systems
 --
 MSN: barbi...@gmail.com
 Skype: gsbarbieri
 Mobile: +55 (19) 9225-2202



 --
 Regards.




-- 
Gustavo Sverzut Barbieri
http://profusion.mobi embedded systems
--
MSN: barbi...@gmail.com
Skype: gsbarbieri
Mobile: +55 (19) 9225-2202

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Re: [E-devel] Evas and layout

2009-06-23 Thread Atton Jonathan
Sachiel found this solution :  http://pastebin.com/m30e9012f
but the text is centered in the x axis.

I try to play with the weight and the solution of Sachiel but the text is
always center to the center  the left  or the right of the area's layout :/

2009/6/23 Gustavo Sverzut Barbieri barbi...@profusion.mobi

 On Tue, Jun 23, 2009 at 4:13 PM, Atton Jonathanjonathan.at...@gmail.com
 wrote:
  If someone find how to set both items to the top, I ll give him a cookie
 !
 
  Test apps: http://watchwolf.fr/public/test_box.tar.gz

 no time to test it now, but it should be a matter of setting weight =
 0 (no weight, no expand) and align.y = 0.0


  2009/6/23 Gustavo Sverzut Barbieri barbi...@profusion.mobi
 
  On Mon, Jun 22, 2009 at 5:49 PM, Atton Jonathan
 jonathan.at...@gmail.com
  wrote:
   hey,
  
   In eyelight I use some vertical layout but I don't get what I want.
 The
   items are not set to the top but are placed to fill all the box. It
   seems
   than the layout does:
   the layout height / number of items = height of an item, each item has
   the
   same height !
  
   My items are created  from an edje group with a textblock inside.
  
   I have attached a screenshot of the pb, each item has the same height,
   consequently the last item (the bigger item) is not completely display
 !
   The
   vertical layout is not supposed to fit the item list to the top ?
  
   With the help of Sachiel I have made some tests, especially try to set
   the
   max size with the result of evas_object_geometry_get() but the result
 is
   0
   :/
  
   Currently my code is:
  
  Evas_Object *o_text = edje_object_add(pres-evas);
  edje_object_file_set(o_text, pres-theme,
   eyelight/item_simple_text) ;
  edje_object_part_text_set(o_text,object.text,text);
  evas_object_size_hint_align_set(o_text, -1, -1);
  evas_object_size_hint_weight_set(o_text, -1, -1);
  evas_object_show(o_text);
  evas_object_move(o_text, 0, 0);
  edje_object_part_box_append(o_area,buf,o_text);
 
 
  check out documentation at
 
 
 http://docs.enlightenment.org/api/evas/html/group__Evas__Object__Box.html#g3aebf02a2e87e43f9dcba5e73291234c
  and the other layout functions. They say what properties they expect
  from child.
 
  As for the space allocated to items: depends on your layout. If you
  choose homogeneous (not the max_size variant), that is correct. If
  you choose the max_size homogeneous, it will query the maximum
  min_size and allocate it to everyone.
 
  As for alignment within the allocated space, that's depend on the
  o_text align hint, in your case you use -1 that means justify
  (align to both top and bottom, or left and right... either centers the
  object or resize it to use the area, depends on min/max hints).
 
  Layout is complex, sorry... we tried to document it, but we could use
  some test cases and examples on various types. Anyone willing to write
  them? :-)
 
  --
  Gustavo Sverzut Barbieri
  http://profusion.mobi embedded systems
  --
  MSN: barbi...@gmail.com
  Skype: gsbarbieri
  Mobile: +55 (19) 9225-2202
 
 
 
  --
  Regards.
 



 --
 Gustavo Sverzut Barbieri
 http://profusion.mobi embedded systems
 --
 MSN: barbi...@gmail.com
 Skype: gsbarbieri
 Mobile: +55 (19) 9225-2202




-- 
Regards.
--
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[E-devel] Evas and layout

2009-06-22 Thread Atton Jonathan
hey,

In eyelight I use some vertical layout but I don't get what I want. The
items are not set to the top but are placed to fill all the box. It seems
than the layout does:
the layout height / number of items = height of an item, each item has the
same height !

My items are created  from an edje group with a textblock inside.

I have attached a screenshot of the pb, each item has the same height,
consequently the last item (the bigger item) is not completely display ! The
vertical layout is not supposed to fit the item list to the top ?

With the help of Sachiel I have made some tests, especially try to set the
max size with the result of evas_object_geometry_get() but the result is 0
:/

Currently my code is:

Evas_Object *o_text = edje_object_add(pres-evas);
edje_object_file_set(o_text, pres-theme, eyelight/item_simple_text) ;
edje_object_part_text_set(o_text,object.text,text);
evas_object_size_hint_align_set(o_text, -1, -1);
evas_object_size_hint_weight_set(o_text, -1, -1);
evas_object_show(o_text);
evas_object_move(o_text, 0, 0);
edje_object_part_box_append(o_area,buf,o_text);

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Re: [E-devel] Evas and layout

2009-06-22 Thread Atton Jonathan
The file attached ...

http://watchwolf.fr/public/Eyelight/eyelight_item_height_bug.png

2009/6/22 Atton Jonathan jonathan.at...@gmail.com

 hey,

 In eyelight I use some vertical layout but I don't get what I want. The
 items are not set to the top but are placed to fill all the box. It seems
 than the layout does:
 the layout height / number of items = height of an item, each item has the
 same height !

 My items are created  from an edje group with a textblock inside.

 I have attached a screenshot of the pb, each item has the same height,
 consequently the last item (the bigger item) is not completely display ! The
 vertical layout is not supposed to fit the item list to the top ?

 With the help of Sachiel I have made some tests, especially try to set the
 max size with the result of evas_object_geometry_get() but the result is 0
 :/

 Currently my code is:

 Evas_Object *o_text = edje_object_add(pres-evas);
 edje_object_file_set(o_text, pres-theme, eyelight/item_simple_text)
 ;
 edje_object_part_text_set(o_text,object.text,text);
 evas_object_size_hint_align_set(o_text, -1, -1);
 evas_object_size_hint_weight_set(o_text, -1, -1);
 evas_object_show(o_text);
 evas_object_move(o_text, 0, 0);
 edje_object_part_box_append(o_area,buf,o_text);

 --
 Regards.




-- 
Regards.
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