Import input structs and helper functions from wayland
diff --git a/src/input.c b/src/input.c
new file mode 100644
index 0000000..8ef5b2a
--- /dev/null
+++ b/src/input.c
@@ -0,0 +1,553 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose. It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "compositor.h"
+
+static void
+lose_pointer_focus(struct wl_listener *listener, void *data)
+{
+ struct wl_pointer *pointer =
+ container_of(listener, struct wl_pointer, focus_listener);
+
+ pointer->focus_resource = NULL;
+}
+
+static void
+lose_keyboard_focus(struct wl_listener *listener, void *data)
+{
+ struct wl_keyboard *keyboard =
+ container_of(listener, struct wl_keyboard, focus_listener);
+
+ keyboard->focus_resource = NULL;
+}
+
+static void
+lose_touch_focus(struct wl_listener *listener, void *data)
+{
+ struct wl_touch *touch =
+ container_of(listener, struct wl_touch, focus_listener);
+
+ touch->focus_resource = NULL;
+}
+
+static void
+default_grab_focus(struct wl_pointer_grab *grab,
+ struct wl_surface *surface, wl_fixed_t x, wl_fixed_t y)
+{
+ struct wl_pointer *pointer = grab->pointer;
+
+ if (pointer->button_count > 0)
+ return;
+
+ wl_pointer_set_focus(pointer, surface, x, y);
+}
+
+static void
+default_grab_motion(struct wl_pointer_grab *grab,
+ uint32_t time, wl_fixed_t x, wl_fixed_t y)
+{
+ struct wl_resource *resource;
+
+ resource = grab->pointer->focus_resource;
+ if (resource)
+ wl_pointer_send_motion(resource, time, x, y);
+}
+
+static void
+default_grab_button(struct wl_pointer_grab *grab,
+ uint32_t time, uint32_t button, uint32_t state_w)
+{
+ struct wl_pointer *pointer = grab->pointer;
+ struct wl_resource *resource;
+ uint32_t serial;
+ enum wl_pointer_button_state state = state_w;
+ struct wl_display *display;
+
+ resource = pointer->focus_resource;
+ if (resource) {
+ display = wl_client_get_display(resource->client);
+ serial = wl_display_next_serial(display);
+ wl_pointer_send_button(resource, serial, time, button, state_w);
+ }
+
+ if (pointer->button_count == 0 &&
+ state == WL_POINTER_BUTTON_STATE_RELEASED)
+ wl_pointer_set_focus(pointer, pointer->current,
+ pointer->current_x, pointer->current_y);
+}
+
+static const struct wl_pointer_grab_interface
+ default_pointer_grab_interface = {
+ default_grab_focus,
+ default_grab_motion,
+ default_grab_button
+};
+
+static void default_grab_touch_down(struct wl_touch_grab *grab,
+ uint32_t time,
+ int touch_id,
+ wl_fixed_t sx,
+ wl_fixed_t sy)
+{
+ struct wl_touch *touch = grab->touch;
+ struct wl_display *display;
+ uint32_t serial;
+
+ if (touch->focus_resource && touch->focus) {
+ display = wl_client_get_display(touch->focus_resource->client);
+ serial = wl_display_next_serial(display);
+ wl_touch_send_down(touch->focus_resource, serial, time,
+ &touch->focus->resource, touch_id, sx, sy);
+ }
+}
+
+static void default_grab_touch_up(struct wl_touch_grab *grab,
+ uint32_t time,
+ int touch_id)
+{
+ struct wl_touch *touch = grab->touch;
+ struct wl_display *display;
+ uint32_t serial;
+
+ if (touch->focus_resource) {
+ display = wl_client_get_display(touch->focus_resource->client);
+ serial = wl_display_next_serial(display);
+ wl_touch_send_up(touch->focus_resource, serial, time, touch_id);
+ }
+}
+
+static void default_grab_touch_motion(struct wl_touch_grab *grab,
+ uint32_t time,
+ int touch_id,
+ wl_fixed_t sx,
+ wl_fixed_t sy)
+{
+ struct wl_touch *touch = grab->touch;
+
+ if (touch->focus_resource) {
+ wl_touch_send_motion(touch->focus_resource, time,
+ touch_id, sx, sy);
+ }
+}
+
+static const struct wl_touch_grab_interface default_touch_grab_interface = {
+ default_grab_touch_down,
+ default_grab_touch_up,
+ default_grab_touch_motion
+};
+
+static void
+default_grab_key(struct wl_keyboard_grab *grab,
+ uint32_t time, uint32_t key, uint32_t state)
+{
+ struct wl_keyboard *keyboard = grab->keyboard;
+ struct wl_resource *resource;
+ struct wl_display *display;
+ uint32_t serial;
+
+ resource = keyboard->focus_resource;
+ if (resource) {
+ display = wl_client_get_display(resource->client);
+ serial = wl_display_next_serial(display);
+ wl_keyboard_send_key(resource, serial, time, key, state);
+ }
+}
+
+static struct wl_resource *
+find_resource_for_surface(struct wl_list *list, struct wl_surface *surface)
+{
+ struct wl_resource *r;
+
+ if (!surface)
+ return NULL;
+
+ wl_list_for_each(r, list, link) {
+ if (r->client == surface->resource.client)
+ return r;
+ }
+
+ return NULL;
+}
+
+static void
+default_grab_modifiers(struct wl_keyboard_grab *grab, uint32_t serial,
+ uint32_t mods_depressed, uint32_t mods_latched,
+ uint32_t mods_locked, uint32_t group)
+{
+ struct wl_keyboard *keyboard = grab->keyboard;
+ struct wl_pointer *pointer = keyboard->seat->pointer;
+ struct wl_resource *resource, *pr;
+
+ resource = keyboard->focus_resource;
+ if (!resource)
+ return;
+
+ wl_keyboard_send_modifiers(resource, serial, mods_depressed,
+ mods_latched, mods_locked, group);
+
+ if (pointer && pointer->focus && pointer->focus != keyboard->focus) {
+ pr = find_resource_for_surface(&keyboard->resource_list,
+ pointer->focus);
+ if (pr) {
+ wl_keyboard_send_modifiers(pr,
+ serial,
+ keyboard->modifiers.mods_depressed,
+ keyboard->modifiers.mods_latched,
+ keyboard->modifiers.mods_locked,
+ keyboard->modifiers.group);
+ }
+ }
+}
+
+static const struct wl_keyboard_grab_interface
+ default_keyboard_grab_interface = {
+ default_grab_key,
+ default_grab_modifiers,
+};
+
+WL_EXPORT void
+wl_pointer_init(struct wl_pointer *pointer)
+{
+ memset(pointer, 0, sizeof *pointer);
+ wl_list_init(&pointer->resource_list);
+ pointer->focus_listener.notify = lose_pointer_focus;
+ pointer->default_grab.interface = &default_pointer_grab_interface;
+ pointer->default_grab.pointer = pointer;
+ pointer->grab = &pointer->default_grab;
+ wl_signal_init(&pointer->focus_signal);
+
+ /* FIXME: Pick better co-ords. */
+ pointer->x = wl_fixed_from_int(100);
+ pointer->y = wl_fixed_from_int(100);
+}
+
+WL_EXPORT void
+wl_pointer_release(struct wl_pointer *pointer)
+{
+ /* XXX: What about pointer->resource_list? */
+ if (pointer->focus_resource)
+ wl_list_remove(&pointer->focus_listener.link);
+}
+
+WL_EXPORT void
+wl_keyboard_init(struct wl_keyboard *keyboard)
+{
+ memset(keyboard, 0, sizeof *keyboard);
+ wl_list_init(&keyboard->resource_list);
+ wl_array_init(&keyboard->keys);
+ keyboard->focus_listener.notify = lose_keyboard_focus;
+ keyboard->default_grab.interface = &default_keyboard_grab_interface;
+ keyboard->default_grab.keyboard = keyboard;
+ keyboard->grab = &keyboard->default_grab;
+ wl_signal_init(&keyboard->focus_signal);
+}
+
+WL_EXPORT void
+wl_keyboard_release(struct wl_keyboard *keyboard)
+{
+ /* XXX: What about keyboard->resource_list? */
+ if (keyboard->focus_resource)
+ wl_list_remove(&keyboard->focus_listener.link);
+ wl_array_release(&keyboard->keys);
+}
+
+WL_EXPORT void
+wl_touch_init(struct wl_touch *touch)
+{
+ memset(touch, 0, sizeof *touch);
+ wl_list_init(&touch->resource_list);
+ touch->focus_listener.notify = lose_touch_focus;
+ touch->default_grab.interface = &default_touch_grab_interface;
+ touch->default_grab.touch = touch;
+ touch->grab = &touch->default_grab;
+ wl_signal_init(&touch->focus_signal);
+}
+
+WL_EXPORT void
+wl_touch_release(struct wl_touch *touch)
+{
+ /* XXX: What about touch->resource_list? */
+ if (touch->focus_resource)
+ wl_list_remove(&touch->focus_listener.link);
+}
+
+WL_EXPORT void
+wl_seat_init(struct wl_seat *seat)
+{
+ memset(seat, 0, sizeof *seat);
+
+ wl_signal_init(&seat->destroy_signal);
+
+ seat->selection_data_source = NULL;
+ wl_list_init(&seat->base_resource_list);
+ wl_signal_init(&seat->selection_signal);
+ wl_list_init(&seat->drag_resource_list);
+ wl_signal_init(&seat->drag_icon_signal);
+}
+
+WL_EXPORT void
+wl_seat_release(struct wl_seat *seat)
+{
+ wl_signal_emit(&seat->destroy_signal, seat);
+
+ if (seat->pointer)
+ wl_pointer_release(seat->pointer);
+ if (seat->keyboard)
+ wl_keyboard_release(seat->keyboard);
+ if (seat->touch)
+ wl_touch_release(seat->touch);
+}
+
+static void
+seat_send_updated_caps(struct wl_seat *seat)
+{
+ struct wl_resource *r;
+ enum wl_seat_capability caps = 0;
+
+ if (seat->pointer)
+ caps |= WL_SEAT_CAPABILITY_POINTER;
+ if (seat->keyboard)
+ caps |= WL_SEAT_CAPABILITY_KEYBOARD;
+ if (seat->touch)
+ caps |= WL_SEAT_CAPABILITY_TOUCH;
+
+ wl_list_for_each(r, &seat->base_resource_list, link)
+ wl_seat_send_capabilities(r, caps);
+}
+
+WL_EXPORT void
+wl_seat_set_pointer(struct wl_seat *seat, struct wl_pointer *pointer)
+{
+ if (pointer && (seat->pointer || pointer->seat))
+ return; /* XXX: error? */
+ if (!pointer && !seat->pointer)
+ return;
+
+ seat->pointer = pointer;
+ if (pointer)
+ pointer->seat = seat;
+
+ seat_send_updated_caps(seat);
+}
+
+WL_EXPORT void
+wl_seat_set_keyboard(struct wl_seat *seat, struct wl_keyboard *keyboard)
+{
+ if (keyboard && (seat->keyboard || keyboard->seat))
+ return; /* XXX: error? */
+ if (!keyboard && !seat->keyboard)
+ return;
+
+ seat->keyboard = keyboard;
+ if (keyboard)
+ keyboard->seat = seat;
+
+ seat_send_updated_caps(seat);
+}
+
+WL_EXPORT void
+wl_seat_set_touch(struct wl_seat *seat, struct wl_touch *touch)
+{
+ if (touch && (seat->touch || touch->seat))
+ return; /* XXX: error? */
+ if (!touch && !seat->touch)
+ return;
+
+ seat->touch = touch;
+ if (touch)
+ touch->seat = seat;
+
+ seat_send_updated_caps(seat);
+}
+
+WL_EXPORT void
+wl_pointer_set_focus(struct wl_pointer *pointer, struct wl_surface *surface,
+ wl_fixed_t sx, wl_fixed_t sy)
+{
+ struct wl_keyboard *kbd = pointer->seat->keyboard;
+ struct wl_resource *resource, *kr;
+ struct wl_display *display;
+ uint32_t serial;
+
+ resource = pointer->focus_resource;
+ if (resource && pointer->focus != surface) {
+ display = wl_client_get_display(resource->client);
+ serial = wl_display_next_serial(display);
+ wl_pointer_send_leave(resource, serial,
+ &pointer->focus->resource);
+ wl_list_remove(&pointer->focus_listener.link);
+ }
+
+ resource = find_resource_for_surface(&pointer->resource_list,
+ surface);
+ if (resource &&
+ (pointer->focus != surface ||
+ pointer->focus_resource != resource)) {
+ display = wl_client_get_display(resource->client);
+ serial = wl_display_next_serial(display);
+ if (kbd) {
+ kr = find_resource_for_surface(&kbd->resource_list,
+ surface);
+ if (kr) {
+ wl_keyboard_send_modifiers(kr,
+ serial,
+ kbd->modifiers.mods_depressed,
+ kbd->modifiers.mods_latched,
+ kbd->modifiers.mods_locked,
+ kbd->modifiers.group);
+ }
+ }
+ wl_pointer_send_enter(resource, serial, &surface->resource,
+ sx, sy);
+ wl_signal_add(&resource->destroy_signal,
+ &pointer->focus_listener);
+ pointer->focus_serial = serial;
+ }
+
+ pointer->focus_resource = resource;
+ pointer->focus = surface;
+ pointer->default_grab.focus = surface;
+ wl_signal_emit(&pointer->focus_signal, pointer);
+}
+
+WL_EXPORT void
+wl_keyboard_set_focus(struct wl_keyboard *keyboard, struct wl_surface *surface)
+{
+ struct wl_resource *resource;
+ struct wl_display *display;
+ uint32_t serial;
+
+ if (keyboard->focus_resource && keyboard->focus != surface) {
+ resource = keyboard->focus_resource;
+ display = wl_client_get_display(resource->client);
+ serial = wl_display_next_serial(display);
+ wl_keyboard_send_leave(resource, serial,
+ &keyboard->focus->resource);
+ wl_list_remove(&keyboard->focus_listener.link);
+ }
+
+ resource = find_resource_for_surface(&keyboard->resource_list,
+ surface);
+ if (resource &&
+ (keyboard->focus != surface ||
+ keyboard->focus_resource != resource)) {
+ display = wl_client_get_display(resource->client);
+ serial = wl_display_next_serial(display);
+ wl_keyboard_send_modifiers(resource, serial,
+ keyboard->modifiers.mods_depressed,
+ keyboard->modifiers.mods_latched,
+ keyboard->modifiers.mods_locked,
+ keyboard->modifiers.group);
+ wl_keyboard_send_enter(resource, serial, &surface->resource,
+ &keyboard->keys);
+ wl_signal_add(&resource->destroy_signal,
+ &keyboard->focus_listener);
+ keyboard->focus_serial = serial;
+ }
+
+ keyboard->focus_resource = resource;
+ keyboard->focus = surface;
+ wl_signal_emit(&keyboard->focus_signal, keyboard);
+}
+
+WL_EXPORT void
+wl_keyboard_start_grab(struct wl_keyboard *keyboard,
+ struct wl_keyboard_grab *grab)
+{
+ keyboard->grab = grab;
+ grab->keyboard = keyboard;
+
+ /* XXX focus? */
+}
+
+WL_EXPORT void
+wl_keyboard_end_grab(struct wl_keyboard *keyboard)
+{
+ keyboard->grab = &keyboard->default_grab;
+}
+
+WL_EXPORT void
+wl_pointer_start_grab(struct wl_pointer *pointer, struct wl_pointer_grab *grab)
+{
+ const struct wl_pointer_grab_interface *interface;
+
+ pointer->grab = grab;
+ interface = pointer->grab->interface;
+ grab->pointer = pointer;
+
+ if (pointer->current)
+ interface->focus(pointer->grab, pointer->current,
+ pointer->current_x, pointer->current_y);
+}
+
+WL_EXPORT void
+wl_pointer_end_grab(struct wl_pointer *pointer)
+{
+ const struct wl_pointer_grab_interface *interface;
+
+ pointer->grab = &pointer->default_grab;
+ interface = pointer->grab->interface;
+ interface->focus(pointer->grab, pointer->current,
+ pointer->current_x, pointer->current_y);
+}
+
+static void
+current_surface_destroy(struct wl_listener *listener, void *data)
+{
+ struct wl_pointer *pointer =
+ container_of(listener, struct wl_pointer, current_listener);
+
+ pointer->current = NULL;
+}
+
+WL_EXPORT void
+wl_pointer_set_current(struct wl_pointer *pointer, struct wl_surface *surface)
+{
+ if (pointer->current)
+ wl_list_remove(&pointer->current_listener.link);
+
+ pointer->current = surface;
+
+ if (!surface)
+ return;
+
+ wl_signal_add(&surface->resource.destroy_signal,
+ &pointer->current_listener);
+ pointer->current_listener.notify = current_surface_destroy;
+}
+
+WL_EXPORT void
+wl_touch_start_grab(struct wl_touch *touch, struct wl_touch_grab *grab)
+{
+ touch->grab = grab;
+ grab->touch = touch;
+}
+
+WL_EXPORT void
+wl_touch_end_grab(struct wl_touch *touch)
+{
+ touch->grab = &touch->default_grab;
+}