From 2fafa24305286bbeb1f29d7ced8c9bff51a29ab5 Mon Sep 17 00:00:00 2001 From: Carlos Garnacho Date: Wed, 22 Jul 2015 16:46:55 +0200 Subject: wayland: Implement the wl_pointer_gesture_pinch interface The pinch gesture resources are part of the MetaWaylandPointerClient, which will be used during the propagation of CLUTTER_TOUCHPAD_PINCH events. --- src/Makefile.am | 2 + src/wayland/meta-wayland-pointer-gesture-pinch.c | 160 +++++++++++++++++++++++ src/wayland/meta-wayland-pointer-gesture-pinch.h | 39 ++++++ src/wayland/meta-wayland-pointer.c | 13 +- src/wayland/meta-wayland-pointer.h | 2 + src/wayland/meta-wayland-seat.c | 1 + 6 files changed, 216 insertions(+), 1 deletion(-) create mode 100644 src/wayland/meta-wayland-pointer-gesture-pinch.c create mode 100644 src/wayland/meta-wayland-pointer-gesture-pinch.h diff --git a/src/Makefile.am b/src/Makefile.am index cde939499..74b5a33b1 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -257,6 +257,8 @@ libmutter_la_SOURCES += \ wayland/meta-wayland-data-device-private.h \ wayland/meta-wayland-pointer-gesture-swipe.c \ wayland/meta-wayland-pointer-gesture-swipe.h \ + wayland/meta-wayland-pointer-gesture-pinch.c \ + wayland/meta-wayland-pointer-gesture-pinch.h \ wayland/meta-wayland-keyboard.c \ wayland/meta-wayland-keyboard.h \ wayland/meta-wayland-pointer.c \ diff --git a/src/wayland/meta-wayland-pointer-gesture-pinch.c b/src/wayland/meta-wayland-pointer-gesture-pinch.c new file mode 100644 index 000000000..37022c9d1 --- /dev/null +++ b/src/wayland/meta-wayland-pointer-gesture-pinch.c @@ -0,0 +1,160 @@ +/* + * Wayland Support + * + * Copyright (C) 2015 Red Hat + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + * + * Author: Carlos Garnacho + */ + +#define _GNU_SOURCE + +#include "config.h" + +#include + +#include "meta-wayland-pointer-gesture-pinch.h" +#include "meta-wayland-pointer.h" +#include "meta-wayland-surface.h" +#include "pointer-gestures-server-protocol.h" + +static void +handle_pinch_begin (MetaWaylandPointer *pointer, + const ClutterEvent *event) +{ + MetaWaylandPointerClient *pointer_client; + struct wl_resource *resource; + uint32_t serial; + + pointer_client = pointer->focus_client; + serial = wl_display_next_serial (pointer->display); + + wl_resource_for_each (resource, &pointer_client->pinch_gesture_resources) + { + _wl_pointer_gesture_pinch_send_begin (resource, serial, + clutter_event_get_time (event), + pointer->focus_surface->resource, + 2); + } +} + +static void +handle_pinch_update (MetaWaylandPointer *pointer, + const ClutterEvent *event) +{ + MetaWaylandPointerClient *pointer_client; + struct wl_resource *resource; + gdouble dx, dy, scale, rotation; + + pointer_client = pointer->focus_client; + clutter_event_get_gesture_motion_delta (event, &dx, &dy); + rotation = clutter_event_get_gesture_pinch_angle_delta (event); + scale = clutter_event_get_gesture_pinch_scale (event); + + wl_resource_for_each (resource, &pointer_client->pinch_gesture_resources) + { + _wl_pointer_gesture_pinch_send_update (resource, + clutter_event_get_time (event), + wl_fixed_from_double (dx), + wl_fixed_from_double (dy), + wl_fixed_from_double (scale), + wl_fixed_from_double (rotation)); + } +} + +static void +handle_pinch_end (MetaWaylandPointer *pointer, + const ClutterEvent *event) +{ + MetaWaylandPointerClient *pointer_client; + struct wl_resource *resource; + gboolean cancelled = FALSE; + uint32_t serial; + + pointer_client = pointer->focus_client; + serial = wl_display_next_serial (pointer->display); + + if (event->touchpad_pinch.phase == CLUTTER_TOUCHPAD_GESTURE_PHASE_CANCEL) + cancelled = TRUE; + + wl_resource_for_each (resource, &pointer_client->pinch_gesture_resources) + { + _wl_pointer_gesture_pinch_send_end (resource, serial, + clutter_event_get_time (event), + cancelled); + } +} + +gboolean +meta_wayland_pointer_gesture_pinch_handle_event (MetaWaylandPointer *pointer, + const ClutterEvent *event) +{ + if (event->type != CLUTTER_TOUCHPAD_PINCH) + return FALSE; + + if (!pointer->focus_client) + return FALSE; + + switch (event->touchpad_pinch.phase) + { + case CLUTTER_TOUCHPAD_GESTURE_PHASE_BEGIN: + handle_pinch_begin (pointer, event); + break; + case CLUTTER_TOUCHPAD_GESTURE_PHASE_UPDATE: + handle_pinch_update (pointer, event); + break; + case CLUTTER_TOUCHPAD_GESTURE_PHASE_END: + case CLUTTER_TOUCHPAD_GESTURE_PHASE_CANCEL: + handle_pinch_end (pointer, event); + break; + default: + return FALSE; + } + + return TRUE; +} + +static void +pointer_gesture_pinch_destroy (struct wl_client *client, + struct wl_resource *resource) +{ + wl_resource_destroy (resource); +} + +static const struct _wl_pointer_gesture_pinch_interface pointer_gesture_pinch_interface = { + pointer_gesture_pinch_destroy +}; + +void +meta_wayland_pointer_gesture_pinch_create_new_resource (MetaWaylandPointer *pointer, + struct wl_client *client, + struct wl_resource *gestures_resource, + uint32_t id) +{ + MetaWaylandPointerClient *pointer_client; + struct wl_resource *res; + + pointer_client = meta_wayland_pointer_get_pointer_client (pointer, client); + g_return_if_fail (pointer_client != NULL); + + res = wl_resource_create (client, &_wl_pointer_gesture_pinch_interface, + wl_resource_get_version (gestures_resource), id); + wl_resource_set_implementation (res, &pointer_gesture_pinch_interface, pointer, + meta_wayland_pointer_unbind_pointer_client_resource); + wl_list_insert (&pointer_client->pinch_gesture_resources, + wl_resource_get_link (res)); +} diff --git a/src/wayland/meta-wayland-pointer-gesture-pinch.h b/src/wayland/meta-wayland-pointer-gesture-pinch.h new file mode 100644 index 000000000..9c4c691eb --- /dev/null +++ b/src/wayland/meta-wayland-pointer-gesture-pinch.h @@ -0,0 +1,39 @@ +/* + * Wayland Support + * + * Copyright (C) 2015 Red Hat + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see . + * + * Author: Carlos Garnacho + */ + +#ifndef META_WAYLAND_POINTER_GESTURE_PINCH_H +#define META_WAYLAND_POINTER_GESTURE_PINCH_H + +#include +#include +#include + +#include "meta-wayland-types.h" + +gboolean meta_wayland_pointer_gesture_pinch_handle_event (MetaWaylandPointer *pointer, + const ClutterEvent *event); + +void meta_wayland_pointer_gesture_pinch_create_new_resource (MetaWaylandPointer *pointer, + struct wl_client *client, + struct wl_resource *gestures_resource, + uint32_t id); + +#endif /* META_WAYLAND_POINTER_GESTURE_PINCH_H */ diff --git a/src/wayland/meta-wayland-pointer.c b/src/wayland/meta-wayland-pointer.c index 6269d9b83..0de7a61d9 100644 --- a/src/wayland/meta-wayland-pointer.c +++ b/src/wayland/meta-wayland-pointer.c @@ -66,6 +66,7 @@ meta_wayland_pointer_client_new (void) pointer_client = g_slice_new0 (MetaWaylandPointerClient); wl_list_init (&pointer_client->pointer_resources); wl_list_init (&pointer_client->swipe_gesture_resources); + wl_list_init (&pointer_client->pinch_gesture_resources); return pointer_client; } @@ -89,6 +90,11 @@ meta_wayland_pointer_client_free (MetaWaylandPointerClient *pointer_client) wl_list_remove (wl_resource_get_link (resource)); wl_list_init (wl_resource_get_link (resource)); } + wl_resource_for_each (resource, &pointer_client->pinch_gesture_resources) + { + wl_list_remove (wl_resource_get_link (resource)); + wl_list_init (wl_resource_get_link (resource)); + } g_slice_free (MetaWaylandPointerClient, pointer_client); } @@ -97,7 +103,8 @@ static gboolean meta_wayland_pointer_client_is_empty (MetaWaylandPointerClient *pointer_client) { return (wl_list_empty (&pointer_client->pointer_resources) && - wl_list_empty (&pointer_client->swipe_gesture_resources)); + wl_list_empty (&pointer_client->swipe_gesture_resources) && + wl_list_empty (&pointer_client->pinch_gesture_resources)); } MetaWaylandPointerClient * @@ -546,6 +553,10 @@ meta_wayland_pointer_handle_event (MetaWaylandPointer *pointer, meta_wayland_pointer_gesture_swipe_handle_event (pointer, event); break; + case CLUTTER_TOUCHPAD_PINCH: + meta_wayland_pointer_gesture_pinch_handle_event (pointer, event); + break; + default: break; } diff --git a/src/wayland/meta-wayland-pointer.h b/src/wayland/meta-wayland-pointer.h index 744d9e480..8dfbf627f 100644 --- a/src/wayland/meta-wayland-pointer.h +++ b/src/wayland/meta-wayland-pointer.h @@ -26,6 +26,7 @@ #include "meta-wayland-types.h" #include "meta-wayland-pointer-gesture-swipe.h" +#include "meta-wayland-pointer-gesture-pinch.h" #include @@ -49,6 +50,7 @@ struct _MetaWaylandPointerClient { struct wl_list pointer_resources; struct wl_list swipe_gesture_resources; + struct wl_list pinch_gesture_resources; }; struct _MetaWaylandPointer diff --git a/src/wayland/meta-wayland-seat.c b/src/wayland/meta-wayland-seat.c index ec9c6c8cb..58f2697b0 100644 --- a/src/wayland/meta-wayland-seat.c +++ b/src/wayland/meta-wayland-seat.c @@ -333,6 +333,7 @@ meta_wayland_seat_handle_event (MetaWaylandSeat *seat, case CLUTTER_BUTTON_RELEASE: case CLUTTER_SCROLL: case CLUTTER_TOUCHPAD_SWIPE: + case CLUTTER_TOUCHPAD_PINCH: return meta_wayland_pointer_handle_event (&seat->pointer, event); case CLUTTER_KEY_PRESS: -- cgit v1.2.1