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libweston: explicitly cancel start_drag if no matching input device is found
Otherwise, the client will assume that dragging is in progress and remains in that state forever. This can happen when weston processes the mouse up event just before the start_drag() arrives. Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
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@ -1057,13 +1057,17 @@ data_device_start_drag(struct wl_client *client, struct wl_resource *resource,
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touch->focus &&
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touch->focus->surface == origin;
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if (!is_pointer_grab && !is_touch_grab)
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return;
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/* FIXME: Check that the data source type array isn't empty. */
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if (source_resource)
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source = wl_resource_get_user_data(source_resource);
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if (!is_pointer_grab && !is_touch_grab) {
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if (source)
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wl_data_source_send_cancelled(source->resource);
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return;
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}
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if (icon_resource)
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icon = wl_resource_get_user_data(icon_resource);
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