Hi,
I am just attaching a small patch, mostly taken from mixer module,
which allows one to change the backlight via mouse scroll on the gadget.
( Hope the attachment doesn't get stripped off :S )
--- src/modules/backlight/e_mod_main.c.old 2011-06-18 09:58:28.065248818
+0800
+++ src/modules/backlight/e_mod_main.c 2011-06-19 16:58:21.016998672 +0800
@@ -326,6 +326,46 @@
}
}
+static void
+_backlight_level_decrease(Instance *inst)
+{
+ double v = inst->val - 0.1;
+ if (v < 0.0) v = 0.0;
+ e_backlight_level_set(inst->gcc->gadcon->zone, v, 0.0);
+}
+
+static void
+_backlight_level_increase(Instance *inst)
+{
+ double v = inst->val + 0.1;
+ if (v > 1.0) v = 1.0;
+ e_backlight_level_set(inst->gcc->gadcon->zone, v, 0.0);
+}
+
+static void
+_backlight_cb_mouse_wheel(void *data, Evas *evas __UNUSED__, Evas_Object *obj
__UNUSED__, void *event)
+{
+ Eina_List *l;
+ Evas_Event_Mouse_Wheel *ev = event;
+ double v;
+ Instance *inst = data;
+
+ e_backlight_update();
+ inst->val = e_backlight_level_get(inst->gcc->gadcon->zone);
+ if (ev->z > 0)
+ _backlight_level_decrease(inst);
+ else if (ev->z < 0)
+ _backlight_level_increase(inst);
+
+ v = inst->val;
+
+ EINA_LIST_FOREACH(backlight_instances, l, inst)
+ {
+ inst->val = v;
+ _backlight_gadget_update(inst);
+ }
+}
+
static E_Gadcon_Client *
_gc_init(E_Gadcon *gc, const char *name, const char *id, const char *style)
{
@@ -354,6 +394,10 @@
EVAS_CALLBACK_MOUSE_DOWN,
_backlight_cb_mouse_down,
inst);
+ evas_object_event_callback_add(inst->o_backlight,
+ EVAS_CALLBACK_MOUSE_WHEEL,
+ _backlight_cb_mouse_wheel,
+ inst);
e_gadcon_client_util_menu_attach(gcc);
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