currently evas_object_event_callback_call checks _evas_event_counter
for preventing object's callback called several times in one evas event.
but it use global variable(_evas_event_counter), it can be changed while
procssing same event.
for example , evas_event_feed_mouse_up.
If there are several object in e->pointer.object.in and object 1's callback
create new evas event, object 2 cannot now event id.
so I change callback call api, and object callbacks can decide wheather it deal with that event.
SVN revision: 66234
in most cases, it is performed twice inside and outside of the function in inefficient way.
and calling of events_frozen in the passes_through() is not understable in the view of functional consistency.
Check is separately would be better.
SVN revision: 65269
Subject: [E-devel] [Patch][Evas] Fix wrong location of
_evas_touch_point_remove()
I have a small patch to fix the wrong location of _evas_touch_point_remove().
_evas_touch_point_remove() should be called in the evas_event_feed_mouse_up(),
but it is called in the evas_event_feed_mouse_cancel() in the current code.
Would you apply attached patch?
SVN revision: 65005
Subject: [E-devel] [Patch] [Evas] Patch to provide information of
touched points
Hello,
I made a new patch to get information of current touched point instead
of Touch Event.
I added touch_points (Eina_List) to the Evas structure and it maintains touched points on the evas.
New touched point is added to the touch_points when we get Mouse_Down and Multi_Down,
touched point is updated when we get Mouse_Move and Mult_Move,
and touched point is removed when we get Mouse_Up and Multi_Up.
The each touch point has coordinate, id and state information as follows:
id - identifier. 0 for Mouse Event and device id for Multi Event. coordinate - (x, y) coordinate of point.
state - state of point. type is Evas_Touch_Point_State enum.
(EVAS_TOUCH_POINT_DOWN, EVAS_TOUCH_POINT_UP, EVAS_TOUCH_POINT_MOVE,
EVAS_TOUCH_POINT_STILL, EVAS_TOUCH_POINT_CANCEL)
There are 4 new APIs to get touch point's information as follows:
unsigned int evas_touch_point_list_count(Evas *e);
void evas_touch_point_list_nth_xy_get(Evas *e, unsigned int n, Evas_Coord *x, Evas_Coord *y);
int evas_touch_point_list_nth_id_get(Evas *e, unsigned int n);
Evas_Touch_Point_State evas_touch_point_list_nth_state_get(Evas *e, unsigned int n);
I added APIs to get each information instead of exposing whole
structure to make it easy to expand in the future as you mentioned in
the below e-mail :)
SVN revision: 64373
Subject: [E-devel] [Patch] Evas touch event patch.
Nice to meet you.
I'm Eunmi Lee, developing mobile web browser and working on WebKit EFL port.
I need new type of event for touch, so I've made patch to add
EVAS_CALLBACK_TOUCH event to the evas.
I will explain history of this patch.
Currently, many web applications and sites use TouchEvent and they can
do everything(scrolling, zooming and so on) like native application
using TouchEvent.
So, I'm also want to provide TouchEvent for web in the WebKit EFL port,
but I got a problem during making TouchEvent because EFL's touch
event's structure (Mouse, Multi Event) is different from Web
TouchEvent's one.
Let me explain about Web TouchEvent firstly.
Web TouchEvent is consist of type and touch points list simply.
There are 3 kinds of type.
TouchStart: Happens every time a finger is placed on the screen.
TouchEnd: Happens every time a finger is removed from the screen.
TouchMove: Happens as a finger already placed on the screen is moved
across the screen.
for example, we can make (1 finger starts to touch), (2 fingers are
moving), (1 finger is released duirng 3 fingers are moving) and so on.
You can see the detailed information in the following url:
http://www.sitepen.com/blog/2008/07/10/touching-and-gesturing-on-the-iphone
However, EFL's touch event is consist of six kinds of type :
MOUSE_DOWN, MOUSE_UP, MOUSE_MOVE, MULTI_DOWN, MULTI_UP, MULTI_MOVE.
So, I have to make a converter to make web touch event from EFL's
touch event.
You can reference attatched image file : evas_touch_event.png.
To tell the truth, converting code is not a big one.
But, I want to reduce this additional job and make code simple.
In the WebKit QT port, they don't have to make converting code for
TouchEvent,
because they have QTouchEvent, it has type and touchPoints list and
they can be mapped to Web TouchEvent one by one.
I think iPhone and Android also have such kind of event.
That's all why I want to add new touch event type to the evas.
about my patch:
- EVAS_CALLBACK_TOUCH event is added
- touch_points Eina_List is added to the Evas structure to maintain
current touch lists.
- process MOUSE/MULTI UP, DOWN, MOVE to make TOUCH event.
It is my first time to modify eves codes and actually I don't know too
much about evas.
So, I will be grateful if you send any feedback and comments.
SVN revision: 63796
We want to free the grab even if mouse up happened outside of the
object's region (that's the whole point of grabbing...). Also, we don't
want to update the grabbed list anywhere but in mouse down.
SVN revision: 60788
We only need to change the list of grabbed objects if we are initiating
a new grab, and not if are already in a grab because of multi touch.
SVN revision: 60787
ATTENTION: if you find any weird issues, please let me know. After testing
here, reading the code and discussing it with raster I decided to commit it,
but this is a very sensitive area. :P
SVN revision: 60651
Make this function recursive, so it can adjust the coords for all
parent objects. It starts with the grand-grand-grand-...-parent and goes
down until the same object.
SVN revision: 52407
Carsten Haitzler
ChunEon Park
Jiyoun Park
EunMi Lee
Lucas De Marchi
Tom Hacohen
Vincent Torri
Mike Blumenkrantz