more work on the controller page, made integer controller properties
2004-06-25 Michael Natterer <mitch@gimp.org> * app/gui/preferences-dialog.c: more work on the controller page, made integer controller properties editable. * modules/controller_midi.c: allow to specify the MIDI channel to generate events from. Default to -1 (all channels).
This commit is contained in:
Michael Natterer
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Michael Natterer
Michael Natterer
parent
5fe683a51e
commit
6d864c4346
@ -48,7 +48,8 @@ typedef struct
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enum
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{
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PROP_0,
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PROP_DEVICE
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PROP_DEVICE,
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PROP_CHANNEL
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};
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@ -67,6 +68,8 @@ struct _ControllerMidi
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GimpController parent_instance;
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gchar *device;
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gint midi_channel;
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GIOChannel *io;
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guint io_id;
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@ -110,6 +113,7 @@ static const gchar * midi_get_event_blurb (GimpController *controller,
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static gboolean midi_set_device (ControllerMidi *controller,
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const gchar *device);
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static void midi_event (ControllerMidi *midi,
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gint channel,
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gint event_id,
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gdouble value);
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@ -191,11 +195,20 @@ midi_class_init (ControllerMidiClass *klass)
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g_object_class_install_property (object_class, PROP_DEVICE,
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g_param_spec_string ("device",
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_("Device:"), NULL,
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_("Device:"),
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_("The name of the device to read MIDI events from."),
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NULL,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT |
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GIMP_CONTROLLER_PARAM_SERIALIZE));
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g_object_class_install_property (object_class, PROP_CHANNEL,
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g_param_spec_int ("channel",
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_("Channel:"),
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_("The MIDI channel to read events from. Set to -1 for reading from all MIDI channels."),
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-1, 15, -1,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT |
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GIMP_CONTROLLER_PARAM_SERIALIZE));
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controller_class->name = _("Midi Events");
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@ -207,16 +220,18 @@ midi_class_init (ControllerMidiClass *klass)
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static void
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midi_init (ControllerMidi *midi)
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{
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midi->device = NULL;
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midi->io = NULL;
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midi->device = NULL;
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midi->midi_channel = -1;
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midi->io = NULL;
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midi->io_id = 0;
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midi->swallow = TRUE; /* get rid of data bytes at start of stream */
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midi->command = 0x0;
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midi->channel = 0x0;
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midi->key = -1;
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midi->velocity = -1;
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midi->msb = -1;
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midi->lsb = -1;
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midi->swallow = TRUE; /* get rid of data bytes at start of stream */
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midi->command = 0x0;
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midi->channel = 0x0;
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midi->key = -1;
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midi->velocity = -1;
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midi->msb = -1;
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midi->lsb = -1;
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}
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static void
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@ -242,6 +257,9 @@ midi_set_property (GObject *object,
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case PROP_DEVICE:
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midi_set_device (midi, g_value_get_string (value));
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break;
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case PROP_CHANNEL:
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midi->midi_channel = g_value_get_int (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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@ -261,6 +279,9 @@ midi_get_property (GObject *object,
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case PROP_DEVICE:
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g_value_set_string (value, midi->device);
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break;
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case PROP_CHANNEL:
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g_value_set_int (value, midi->midi_channel);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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@ -393,21 +414,27 @@ midi_set_device (ControllerMidi *midi,
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static void
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midi_event (ControllerMidi *midi,
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gint channel,
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gint event_id,
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gdouble value)
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{
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GimpControllerEvent event = { 0, };
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if (channel == -1 ||
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midi->midi_channel == -1 ||
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channel == midi->midi_channel)
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{
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GimpControllerEvent event = { 0, };
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event.any.type = GIMP_CONTROLLER_EVENT_VALUE;
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event.any.source = GIMP_CONTROLLER (midi);
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event.any.event_id = event_id;
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event.any.type = GIMP_CONTROLLER_EVENT_VALUE;
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event.any.source = GIMP_CONTROLLER (midi);
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event.any.event_id = event_id;
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g_value_init (&event.value.value, G_TYPE_DOUBLE);
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g_value_set_double (&event.value.value, value);
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g_value_init (&event.value.value, G_TYPE_DOUBLE);
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g_value_set_double (&event.value.value, value);
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gimp_controller_event (GIMP_CONTROLLER (midi), &event);
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gimp_controller_event (GIMP_CONTROLLER (midi), &event);
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g_value_unset (&event.value.value);
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g_value_unset (&event.value.value);
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}
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}
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@ -556,7 +583,7 @@ midi_read_event (GIOChannel *io,
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midi->channel,
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midi->key, midi->velocity));
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midi_event (midi, midi->key,
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midi_event (midi, midi->channel, midi->key,
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(gdouble) midi->velocity / 127.0);
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}
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else if (midi->command == 0x8)
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@ -564,7 +591,7 @@ midi_read_event (GIOChannel *io,
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D (g_print ("MIDI (ch %02d): note off (%02x vel %02x)\n",
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midi->channel, midi->key, midi->velocity));
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midi_event (midi, midi->key + 128,
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midi_event (midi, midi->channel, midi->key + 128,
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(gdouble) midi->velocity / 127.0);
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}
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else
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@ -591,7 +618,7 @@ midi_read_event (GIOChannel *io,
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D (g_print ("MIDI (ch %02d): controller %d (value %d)\n",
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midi->channel, midi->key, midi->velocity));
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midi_event (midi, midi->key + 128 + 128,
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midi_event (midi, midi->channel, midi->key + 128 + 128,
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(gdouble) midi->velocity / 127.0);
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midi->key = -1;
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