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Using mouse wheel elm-propageted at sliders. 

When we have time, we'll research a way of signalling
mouse events from bottom up, too (or at least emulate that).
Might be useful for "trapping" mouse wheel events, what
Elementary can't do as is.



SVN revision: 55325
This commit is contained in:
Gustavo Lima Chaves 2010-12-06 12:45:49 +00:00
parent f84b6c5f52
commit 5522998e58
1 changed files with 28 additions and 9 deletions
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37
legacy/elementary/src/lib/elm_slider.c
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@ -93,17 +93,35 @@ static const Evas_Smart_Cb_Description _signals[] = {
static Eina_Bool
_event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info)
{
if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE;
Evas_Event_Key_Down *ev = event_info;
Widget_Data *wd = elm_widget_data_get(obj);
Evas_Event_Mouse_Wheel *mev;
Evas_Event_Key_Down *ev;
Widget_Data *wd;
wd = elm_widget_data_get(obj);
if (!wd) return EINA_FALSE;
if (type == EVAS_CALLBACK_KEY_DOWN) goto key_down;
else if (type != EVAS_CALLBACK_MOUSE_WHEEL) return EINA_FALSE;
mev = event_info;
if (mev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
if (elm_widget_disabled_get(obj)) return EINA_FALSE;
if (mev->z < 0) _drag_up(obj, NULL, NULL, NULL);
else _drag_down(obj, NULL, NULL, NULL);
mev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
key_down:
ev = event_info;
if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
if (elm_widget_disabled_get(obj)) return EINA_FALSE;
if ((!strcmp(ev->keyname, "Left"))
|| (!strcmp(ev->keyname, "KP_Left")))
{
if (!wd->horizontal) return EINA_FALSE;
_drag_up(obj, NULL, NULL, NULL);
if (!wd->inverted) _drag_down(obj, NULL, NULL, NULL);
else _drag_up(obj, NULL, NULL, NULL);
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
@ -111,21 +129,24 @@ _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type ty
|| (!strcmp(ev->keyname, "KP_Right")))
{
if (!wd->horizontal) return EINA_FALSE;
_drag_down(obj, NULL, NULL, NULL);
if (!wd->inverted) _drag_up(obj, NULL, NULL, NULL);
else _drag_down(obj, NULL, NULL, NULL);
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
else if ((!strcmp(ev->keyname, "Up")) || (!strcmp(ev->keyname, "KP_Up")))
{
if (wd->horizontal) return EINA_FALSE;
_drag_up(obj, NULL, NULL, NULL);
if (wd->inverted) _drag_up(obj, NULL, NULL, NULL);
else _drag_down(obj, NULL, NULL, NULL);
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
else if ((!strcmp(ev->keyname, "Down")) || (!strcmp(ev->keyname, "KP_Down")))
{
if (wd->horizontal) return EINA_FALSE;
_drag_down(obj, NULL, NULL, NULL);
if (wd->inverted) _drag_down(obj, NULL, NULL, NULL);
else _drag_up(obj, NULL, NULL, NULL);
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
@ -444,8 +465,6 @@ elm_slider_add(Evas_Object *parent)
edje_object_signal_callback_add(wd->slider, "drag,step", "*", _drag_step, obj);
edje_object_signal_callback_add(wd->slider, "drag,page", "*", _drag_stop, obj);
// edje_object_signal_callback_add(wd->slider, "drag,set", "*", _drag_stop, obj);
edje_object_signal_callback_add(wd->slider, "mouse,wheel,0,-1", "*", _drag_up, obj);
edje_object_signal_callback_add(wd->slider, "mouse,wheel,0,1", "*", _drag_down, obj);
edje_object_part_drag_value_set(wd->slider, "elm.dragable.slider", 0.0, 0.0);
wd->spacer = evas_object_rectangle_add(e);