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clutter: Do not throttle motion events on tablet tools
Events from tablets must not be filtered out, as the event coalescing results in precision loss. https://bugzilla.gnome.org/show_bug.cgi?id=783535
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@ -962,6 +962,7 @@ _clutter_stage_process_queued_events (ClutterStage *stage)
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ClutterEvent *next_event;
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ClutterInputDevice *device;
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ClutterInputDevice *next_device;
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ClutterInputDeviceType device_type;
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gboolean check_device = FALSE;
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event = l->data;
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@ -977,8 +978,16 @@ _clutter_stage_process_queued_events (ClutterStage *stage)
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if (device != NULL && next_device != NULL)
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check_device = TRUE;
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/* Skip consecutive motion events coming from the same device */
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if (priv->throttle_motion_events && next_event != NULL)
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device_type = clutter_input_device_get_device_type (device);
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/* Skip consecutive motion events coming from the same device,
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* except those of tablet tools, since users of these events
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* want no precision loss.
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*/
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if (priv->throttle_motion_events && next_event != NULL &&
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device_type != CLUTTER_TABLET_DEVICE &&
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device_type != CLUTTER_PEN_DEVICE &&
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device_type != CLUTTER_ERASER_DEVICE)
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{
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if (event->type == CLUTTER_MOTION &&
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(next_event->type == CLUTTER_MOTION ||
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