[Spice-devel] [PATCH 2/2] usb-device-widget: Add counter of free channels
Fabiano Fidêncio
fidencio at redhat.com
Wed Jan 20 01:11:58 PST 2016
On Wed, Jan 20, 2016 at 9:59 AM, Victor Toso <lists at victortoso.com> wrote:
> Hi,
>
> On Tue, Jan 19, 2016 at 10:36:38PM +0100, Fabiano Fidêncio wrote:
>> As the message showed when the last usbredir channel is taken can be a
>> bit confusing, let's add a counter of free channels to the widget's
>> label.
>> In order to add the counter, two new helper functions got introduced
>> spice_usb_device_manager_get_{free,total}_channels().
>>
>> Related: rhbz#1298772
>> ---
>> src/map-file | 2 ++
>> src/spice-glib-sym-file | 2 ++
>> src/usb-device-manager.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++
>> src/usb-device-manager.h | 6 ++++++
>> src/usb-device-widget.c | 34 +++++++++++++++++++++++--------
>> 5 files changed, 88 insertions(+), 8 deletions(-)
>>
>> diff --git a/src/map-file b/src/map-file
>> index 62cdb51..babe0be 100644
>> --- a/src/map-file
>> +++ b/src/map-file
>> @@ -130,6 +130,8 @@ spice_usb_device_manager_disconnect_device;
>> spice_usb_device_manager_get;
>> spice_usb_device_manager_get_devices;
>> spice_usb_device_manager_get_devices_with_filter;
>> +spice_usb_device_manager_get_total_channels;
>> +spice_usb_device_manager_get_free_channels;
>> spice_usb_device_manager_get_type;
>> spice_usb_device_manager_is_device_connected;
>> spice_usb_device_widget_get_type;
>> diff --git a/src/spice-glib-sym-file b/src/spice-glib-sym-file
>> index ae365cd..784f50e 100644
>> --- a/src/spice-glib-sym-file
>> +++ b/src/spice-glib-sym-file
>> @@ -107,6 +107,8 @@ spice_usb_device_manager_disconnect_device
>> spice_usb_device_manager_get
>> spice_usb_device_manager_get_devices
>> spice_usb_device_manager_get_devices_with_filter
>> +spice_usb_device_manager_get_total_channels
>> +spice_usb_device_manager_get_free_channels
>> spice_usb_device_manager_get_type
>> spice_usb_device_manager_is_device_connected
>> spice_usbredir_channel_get_type
>> diff --git a/src/usb-device-manager.c b/src/usb-device-manager.c
>> index a22d926..21d3a25 100644
>> --- a/src/usb-device-manager.c
>> +++ b/src/usb-device-manager.c
>> @@ -1689,6 +1689,58 @@ spice_usb_device_manager_can_redirect_device(SpiceUsbDeviceManager *self,
>> }
>>
>> /**
>> + * spice_usb_device_manager_get_total_channels:
>> + * @self: the #SpiceUsbDeviceManager manager
>> + *
>> + * Get the total number of redirecting channels.
>> + *
>> + * Returns: The total number of redirecting channels.
>> + */
>> +int
>> +spice_usb_device_manager_get_total_channels(SpiceUsbDeviceManager *self)
>> +{
>> +#ifdef USE_USBREDIR
>> + SpiceUsbDeviceManagerPrivate *priv = self->priv;
>
> Here you are accessing priv before the check bellow.
>
>> +
>> + g_return_val_if_fail(SPICE_IS_USB_DEVICE_MANAGER(self), FALSE);
>> +
>> + return priv->channels->len;
>> +#else
>> + return 0;
>> +#endif
>> +}
>> +
>> +/**
>> + * spice_usb_device_manager_get_total_channels:
>> + * @self: the #SpiceUsbDeviceManager manager
>> + *
>> + * Get the number of redirecting channels that are available.
>> + *
>> + * Returns: The number of redirecting channels that are available.
>> + */
>> +int
>> +spice_usb_device_manager_get_free_channels(SpiceUsbDeviceManager *self)
>> +{
>> +#ifdef USE_USBREDIR
>> + SpiceUsbDeviceManagerPrivate *priv = self->priv;
>
> Ditto
I will incorporate these suggestions and send a v2 (as soon as we have
more comments).
>
> Looks good otherwise
I still don't like that much the string being used (%d of %d channels
free) doesn't sound clear enough for me, but I don't have a better
idea either :-\
>
>> + int i, free_channels = 0;
>> +
>> + g_return_val_if_fail(SPICE_IS_USB_DEVICE_MANAGER(self), FALSE);
>> +
>> + for (i = 0; i < priv->channels->len; i++) {
>> + SpiceUsbredirChannel *channel = g_ptr_array_index(priv->channels, i);
>> +
>> + if (!spice_usbredir_channel_get_device(channel))
>> + free_channels++;
>> + }
>> +
>> + return free_channels;
>> +#else
>> + return 0;
>> +#endif
>> +}
>> +
>> +/**
>> * spice_usb_device_get_description:
>> * @device: #SpiceUsbDevice to get the description of
>> * @format: (allow-none): an optional printf() format string with
>> diff --git a/src/usb-device-manager.h b/src/usb-device-manager.h
>> index e05ebae..90fa413 100644
>> --- a/src/usb-device-manager.h
>> +++ b/src/usb-device-manager.h
>> @@ -127,6 +127,12 @@ spice_usb_device_manager_can_redirect_device(SpiceUsbDeviceManager *self,
>> SpiceUsbDevice *device,
>> GError **err);
>>
>> +int
>> +spice_usb_device_manager_get_total_channels(SpiceUsbDeviceManager *self);
>> +
>> +int
>> +spice_usb_device_manager_get_free_channels(SpiceUsbDeviceManager *self);
>> +
>> G_END_DECLS
>>
>> #endif /* __SPICE_USB_DEVICE_MANAGER_H__ */
>> diff --git a/src/usb-device-widget.c b/src/usb-device-widget.c
>> index 830bdce..fffee44 100644
>> --- a/src/usb-device-widget.c
>> +++ b/src/usb-device-widget.c
>> @@ -72,6 +72,7 @@ struct _SpiceUsbDeviceWidgetPrivate {
>> gchar *device_format_string;
>> SpiceUsbDeviceManager *manager;
>> GtkWidget *info_bar;
>> + GtkWidget *label;
>> gchar *err_msg;
>> gsize device_count;
>> gboolean is_info_message;
>> @@ -182,8 +183,7 @@ static GObject *spice_usb_device_widget_constructor(
>> SpiceUsbDeviceWidgetPrivate *priv;
>> GPtrArray *devices = NULL;
>> GError *err = NULL;
>> - GtkWidget *label;
>> - gchar *str;
>> + gchar *str, *markup_str;
>> int i;
>>
>> {
>> @@ -198,12 +198,12 @@ static GObject *spice_usb_device_widget_constructor(
>> if (!priv->session)
>> g_error("SpiceUsbDeviceWidget constructed without a session");
>>
>> - label = gtk_label_new(NULL);
>> - str = g_strdup_printf("<b>%s</b>", _("Select USB devices to redirect"));
>> - gtk_label_set_markup(GTK_LABEL (label), str);
>> - g_free(str);
>> - gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
>> - gtk_box_pack_start(GTK_BOX(self), label, FALSE, FALSE, 0);
>> + priv->label = gtk_label_new(NULL);
>> + markup_str = g_strdup_printf("<b>%s</b>", _("Select USB devices to redirect"));
>> + gtk_label_set_markup(GTK_LABEL (priv->label), markup_str);
>> + g_free(markup_str);
>> + gtk_misc_set_alignment(GTK_MISC(priv->label), 0.0, 0.5);
>> + gtk_box_pack_start(GTK_BOX(self), priv->label, FALSE, FALSE, 0);
>>
>> priv->manager = spice_usb_device_manager_get(priv->session, &err);
>> if (err) {
>> @@ -214,6 +214,14 @@ static GObject *spice_usb_device_widget_constructor(
>> return obj;
>> }
>>
>> + str = g_strdup_printf(_("Select USB devices to redirect (%d of %d channels free)"),
>> + spice_usb_device_manager_get_free_channels(priv->manager),
>> + spice_usb_device_manager_get_total_channels(priv->manager));
>> + markup_str = g_strdup_printf("<b>%s</b>", str);
>> + gtk_label_set_markup(GTK_LABEL (priv->label), markup_str);
>> + g_free(markup_str);
>> + g_free(str);
>> +
>> g_signal_connect(priv->manager, "device-added",
>> G_CALLBACK(device_added_cb), self);
>> g_signal_connect(priv->manager, "device-removed",
>> @@ -469,6 +477,7 @@ static void checkbox_clicked_cb(GtkWidget *check, gpointer user_data)
>> SpiceUsbDeviceWidget *self = SPICE_USB_DEVICE_WIDGET(user_data);
>> SpiceUsbDeviceWidgetPrivate *priv = self->priv;
>> SpiceUsbDevice *device;
>> + gchar *str, *markup_str;
>>
>> device = g_object_get_data(G_OBJECT(check), "usb-device");
>>
>> @@ -485,6 +494,15 @@ static void checkbox_clicked_cb(GtkWidget *check, gpointer user_data)
>> spice_usb_device_manager_disconnect_device(priv->manager,
>> device);
>> }
>> +
>> + str = g_strdup_printf(_("Select USB devices to redirect (%d of %d channels free)"),
>> + spice_usb_device_manager_get_free_channels(priv->manager),
>> + spice_usb_device_manager_get_total_channels(priv->manager));
>> + markup_str = g_strdup_printf("<b>%s</b>", str);
>> + gtk_label_set_markup(GTK_LABEL (priv->label), markup_str);
>> + g_free(markup_str);
>> + g_free(str);
>> +
>> spice_usb_device_widget_update_status(self);
>> }
>>
>> --
>> 2.5.0
>>
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