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Tsirkin" , Eric Blake , Sergio Lopez Subject: [PATCH v3 0/6] Implement virtio-multitouch and enable GTK3 to use it Date: Thu, 13 Apr 2023 17:21:14 +0200 Message-Id: <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 This series adds a virtio-multitouch device to the family of devices emulated by virtio-input implementing the Multi-touch protocol as descripted here: https://www.kernel.org/doc/html/latest/input/multi-touch-protocol.html?highlight=multi+touch It also extends the GTK UI backend to be able to receive multi-touch events and transpose them to a guest, so the latter can recognize them as gestures when appropriate. An example of this in action can be seen here: https://fosstodon.org/@slp/109545849296546767 Since v2: - Fix InputMultitouchEvent doc in qapi/ui.json (Marc-André). - Use warn_report() instead of fprintf() in gtk.c (Marc-André). - Rebase and collect R-b. Since v1: - Split 0002 patch to implement ui, virtio-input-hid and virtio-input-pci changes in different patches (Marc-André). - Fix versioning in qapi/ui.json (Marc-André). - Print a warning if touch->sequence >= INPUT_EVENT_SLOTS_MAX (Marc-André). - Only send SYN_REPORT once, if needed (Marc-André). - Rebase and collect R-b. Sergio Lopez (6): virtio-input: generalize virtio_input_key_config() ui: add the infrastructure to support MT events virtio-input: add a virtio-mulitouch device virtio-input-pci: add virtio-multitouch-pci ui: add helpers for virtio-multitouch events ui/gtk: enable backend to send multi-touch events hw/input/virtio-input-hid.c | 156 +++++++++++++++++++++++++++---- hw/virtio/virtio-input-pci.c | 25 ++++- include/hw/virtio/virtio-input.h | 9 +- include/ui/input.h | 8 ++ qapi/ui.json | 46 ++++++++- replay/replay-input.c | 18 ++++ ui/gtk.c | 92 ++++++++++++++++++ ui/input.c | 42 +++++++++ ui/trace-events | 1 + 9 files changed, 366 insertions(+), 31 deletions(-)