Hi all!
This is my first independant code contribution to any FOSS project. :-)
The mixer module currently
increases or decreases the volume if mouse wheel goes up or down on
the module's panel icon. The patch provided (used svn diff) makes it
adjust the balance too when Horizontal scroll wheel is used.
Though a mouse with a horizontal scroll wheel/ scroll ball is
uncommon, there are laptops with synaptic touchpad which has
horizontal scrolling capability. It can also be emulated on
trackpoints with appropriate X configuration.
--
Laxminarayan Kamath Ammembal
http://lankerisms.blogspot.com
(+91) 9945036093
Index: e/src/modules/mixer/e_mod_main.c
===================================================================
--- e/src/modules/mixer/e_mod_main.c (revision 36088)
+++ e/src/modules/mixer/e_mod_main.c (working copy)
@@ -188,6 +188,61 @@
}
static void
+_mixer_balance_left(E_Mixer_Instance *inst)
+{
+ E_Mixer_Channel_State *state;
+
+ state = &inst->mixer_state;
+ e_mixer_system_get_volume(inst->sys, inst->channel,
+ &state->left, &state->right);
+ if (state->left >= 0)
+ {
+ if (state->left > 5)
+ state->left -= 5;
+ else
+ state->left = 0;
+ }
+ if (state->right >= 0)
+ {
+ if (state->right < 95)
+ state->right += 5;
+ else
+ state->right = 100;
+ }
+
+ e_mixer_system_set_volume(inst->sys, inst->channel,
+ state->left, state->right);
+ _mixer_gadget_update(inst);
+}
+
+static void
+_mixer_balance_right(E_Mixer_Instance *inst)
+{
+ E_Mixer_Channel_State *state;
+
+ state = &inst->mixer_state;
+ e_mixer_system_get_volume(inst->sys, inst->channel,
+ &state->left, &state->right);
+ if (state->left >= 0)
+ {
+ if (state->left < 95)
+ state->left += 5;
+ else
+ state->left = 100;
+ }
+ if (state->right >= 0)
+ {
+ if (state->right > 5)
+ state->right -= 5;
+ else
+ state->right = 0;
+ }
+ e_mixer_system_set_volume(inst->sys, inst->channel,
+ state->left, state->right);
+ _mixer_gadget_update(inst);
+}
+
+static void
_mixer_volume_increase(E_Mixer_Instance *inst)
{
E_Mixer_Channel_State *state;
@@ -663,6 +718,13 @@
else if (ev->z < 0)
_mixer_volume_increase(inst);
}
+ else if (ev->direction == 1)
+ {
+ if (ev->z > 0)
+ _mixer_balance_left(inst);
+ else if (ev->z < 0)
+ _mixer_balance_right(inst);
+ }
}
static int
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