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scrolled window: Protect against nameless devices

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It seems that gdk_device_get_name() can return NULL.
We should not crash if that happens.

https://bugzilla.gnome.org/show_bug.cgi?id=756625
This commit is contained in:
Matthias Clasen 2015-10-15 16:06:15 -04:00
parent c3686838ea
commit dd3f4f2904
1 changed files with 4 additions and 2 deletions
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6
gtk/gtkscrolledwindow.c
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@ -1224,6 +1224,7 @@ captured_event_cb (GtkWidget *widget,
GdkDevice *source_device;
GtkWidget *event_widget;
gboolean on_scrollbar;
const gchar *device_name;
sw = GTK_SCROLLED_WINDOW (widget);
priv = sw->priv;
@ -1243,6 +1244,7 @@ captured_event_cb (GtkWidget *widget,
return GDK_EVENT_PROPAGATE;
input_source = gdk_device_get_source (source_device);
device_name = gdk_device_get_name (source_device);
if (input_source == GDK_SOURCE_KEYBOARD ||
input_source == GDK_SOURCE_TOUCHSCREEN)
@ -1268,8 +1270,8 @@ captured_event_cb (GtkWidget *widget,
}
else if (input_source == GDK_SOURCE_PEN ||
input_source == GDK_SOURCE_ERASER ||
strstr (gdk_device_get_name (source_device), "TrackPoint") ||
strstr (gdk_device_get_name (source_device), "DualPoint Stick"))
(device_name != NULL && strstr (device_name, "TrackPoint")) ||
(device_name != NULL && strstr (device_name, "DualPoint Stick")))
{
indicator_set_over (&priv->hindicator, TRUE);
indicator_set_over (&priv->vindicator, TRUE);