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Tsirkin" , Eric Blake , Sergio Lopez Subject: [PATCH v3 5/6] ui: add helpers for virtio-multitouch events Date: Thu, 13 Apr 2023 17:21:19 +0200 Message-Id: <20230413152120.53967-6-slp@redhat.com> In-Reply-To: <20230413152120.53967-1-slp@redhat.com> References: <20230413152120.53967-1-slp@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Received-SPF: pass client-ip=170.10.133.124; envelope-from=slp@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add helpers for generating Multi-touch events from the UI backends that can be sent to the guest through a virtio-multitouch device. Signed-off-by: Sergio Lopez Reviewed-by: Marc-André Lureau --- include/ui/input.h | 5 +++++ ui/input.c | 36 ++++++++++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/include/ui/input.h b/include/ui/input.h index 2a3dffd417..c37251e1e9 100644 --- a/include/ui/input.h +++ b/include/ui/input.h @@ -64,6 +64,11 @@ int qemu_input_scale_axis(int value, void qemu_input_queue_rel(QemuConsole *src, InputAxis axis, int value); void qemu_input_queue_abs(QemuConsole *src, InputAxis axis, int value, int min_in, int max_in); +void qemu_input_queue_mtt(QemuConsole *src, InputMultitouchType type, int slot, + int tracking_id); +void qemu_input_queue_mtt_abs(QemuConsole *src, InputAxis axis, int value, + int min_in, int max_in, + int slot, int tracking_id); void qemu_input_check_mode_change(void); void qemu_add_mouse_mode_change_notifier(Notifier *notify); diff --git a/ui/input.c b/ui/input.c index f788db20f7..34331b7b0b 100644 --- a/ui/input.c +++ b/ui/input.c @@ -547,6 +547,42 @@ void qemu_input_queue_abs(QemuConsole *src, InputAxis axis, int value, qemu_input_event_send(src, &evt); } +void qemu_input_queue_mtt(QemuConsole *src, InputMultitouchType type, + int slot, int tracking_id) +{ + InputMultitouchEvent mtt = { + .type = type, + .slot = slot, + .tracking_id = tracking_id, + }; + InputEvent evt = { + .type = INPUT_EVENT_KIND_MTT, + .u.mtt.data = &mtt, + }; + + qemu_input_event_send(src, &evt); +} + +void qemu_input_queue_mtt_abs(QemuConsole *src, InputAxis axis, int value, + int min_in, int max_in, int slot, int tracking_id) +{ + InputMultitouchEvent mtt = { + .type = INPUT_MULTITOUCH_TYPE_DATA, + .slot = slot, + .tracking_id = tracking_id, + .axis = axis, + .value = qemu_input_scale_axis(value, min_in, max_in, + INPUT_EVENT_ABS_MIN, + INPUT_EVENT_ABS_MAX), + }; + InputEvent evt = { + .type = INPUT_EVENT_KIND_MTT, + .u.mtt.data = &mtt, + }; + + qemu_input_event_send(src, &evt); +} + void qemu_input_check_mode_change(void) { static int current_is_absolute;