Split shell object out from compositor.c into its own file
diff --git a/compositor/Makefile.am b/compositor/Makefile.am
index 56a2e7e..89ea443 100644
--- a/compositor/Makefile.am
+++ b/compositor/Makefile.am
@@ -31,6 +31,7 @@
compositor_SOURCES = \
compositor.c \
compositor.h \
+ shell.c \
screenshooter.c \
screenshooter-protocol.c \
screenshooter-server-protocol.h \
diff --git a/compositor/compositor.c b/compositor/compositor.c
index cd13e4d..31f70cf 100644
--- a/compositor/compositor.c
+++ b/compositor/compositor.c
@@ -32,7 +32,7 @@
#include <math.h>
#include <linux/input.h>
-#include "wayland-server-protocol.h"
+#include "wayland-server.h"
#include "compositor.h"
/* The plan here is to generate a random anonymous socket name and
@@ -157,7 +157,7 @@
return surface;
}
-static uint32_t
+uint32_t
get_time(void)
{
struct timeval tv;
@@ -359,7 +359,7 @@
wl_list_insert(&compositor->surface_list, &surface->link);
}
-static void
+void
wlsc_surface_update_matrix(struct wlsc_surface *es)
{
wlsc_matrix_init(&es->matrix);
@@ -511,7 +511,7 @@
}
-static void
+void
wlsc_input_device_set_pointer_image(struct wlsc_input_device *device,
enum wlsc_pointer_type type)
{
@@ -524,248 +524,6 @@
pointer_images[type].hotspot_y);
}
-struct wlsc_move_grab {
- struct wl_grab grab;
- int32_t dx, dy;
-};
-
-static void
-move_grab_motion(struct wl_grab *grab,
- uint32_t time, int32_t x, int32_t y)
-{
- struct wlsc_move_grab *move = (struct wlsc_move_grab *) grab;
- struct wlsc_surface *es =
- (struct wlsc_surface *) grab->input_device->pointer_focus;
-
- es->x = x + move->dx;
- es->y = y + move->dy;
- wlsc_surface_update_matrix(es);
-}
-
-static void
-move_grab_button(struct wl_grab *grab,
- uint32_t time, int32_t button, int32_t state)
-{
-}
-
-static void
-move_grab_end(struct wl_grab *grab, uint32_t time)
-{
- free(grab);
-}
-
-static const struct wl_grab_interface move_grab_interface = {
- move_grab_motion,
- move_grab_button,
- move_grab_end
-};
-
-static void
-shell_move(struct wl_client *client, struct wl_shell *shell,
- struct wl_surface *surface,
- struct wl_input_device *device, uint32_t time)
-{
- struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
- struct wlsc_surface *es = (struct wlsc_surface *) surface;
- struct wlsc_move_grab *move;
-
- move = malloc(sizeof *move);
- if (!move) {
- wl_client_post_no_memory(client);
- return;
- }
-
- move->grab.interface = &move_grab_interface;
- move->dx = es->x - wd->input_device.grab_x;
- move->dy = es->y - wd->input_device.grab_y;
-
- if (wl_input_device_update_grab(&wd->input_device,
- &move->grab, surface, time) < 0)
- return;
-
- wlsc_input_device_set_pointer_image(wd, WLSC_POINTER_DRAGGING);
-}
-
-struct wlsc_resize_grab {
- struct wl_grab grab;
- uint32_t edges;
- int32_t dx, dy, width, height;
-};
-
-static void
-resize_grab_motion(struct wl_grab *grab,
- uint32_t time, int32_t x, int32_t y)
-{
- struct wlsc_resize_grab *resize = (struct wlsc_resize_grab *) grab;
- struct wl_input_device *device = grab->input_device;
- struct wlsc_compositor *ec =
- (struct wlsc_compositor *) device->compositor;
- struct wl_surface *surface = device->pointer_focus;
- int32_t width, height;
-
- if (resize->edges & WL_GRAB_RESIZE_LEFT) {
- width = device->grab_x - x + resize->width;
- } else if (resize->edges & WL_GRAB_RESIZE_RIGHT) {
- width = x - device->grab_x + resize->width;
- } else {
- width = resize->width;
- }
-
- if (resize->edges & WL_GRAB_RESIZE_TOP) {
- height = device->grab_y - y + resize->height;
- } else if (resize->edges & WL_GRAB_RESIZE_BOTTOM) {
- height = y - device->grab_y + resize->height;
- } else {
- height = resize->height;
- }
-
- wl_client_post_event(surface->client, &ec->shell.object,
- WL_SHELL_CONFIGURE, time, resize->edges,
- surface, width, height);
-}
-
-static void
-resize_grab_button(struct wl_grab *grab,
- uint32_t time, int32_t button, int32_t state)
-{
-}
-
-static void
-resize_grab_end(struct wl_grab *grab, uint32_t time)
-{
- free(grab);
-}
-
-static const struct wl_grab_interface resize_grab_interface = {
- resize_grab_motion,
- resize_grab_button,
- resize_grab_end
-};
-
-static void
-shell_resize(struct wl_client *client, struct wl_shell *shell,
- struct wl_surface *surface,
- struct wl_input_device *device, uint32_t time, uint32_t edges)
-{
- struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
- struct wlsc_resize_grab *resize;
- enum wlsc_pointer_type pointer = WLSC_POINTER_LEFT_PTR;
- struct wlsc_surface *es = (struct wlsc_surface *) surface;
-
- resize = malloc(sizeof *resize);
- if (!resize) {
- wl_client_post_no_memory(client);
- return;
- }
-
- resize->grab.interface = &resize_grab_interface;
- resize->edges = edges;
- resize->dx = es->x - wd->input_device.grab_x;
- resize->dy = es->y - wd->input_device.grab_y;
- resize->width = es->width;
- resize->height = es->height;
-
- if (edges == 0 || edges > 15 ||
- (edges & 3) == 3 || (edges & 12) == 12)
- return;
-
- switch (edges) {
- case WL_GRAB_RESIZE_TOP:
- pointer = WLSC_POINTER_TOP;
- break;
- case WL_GRAB_RESIZE_BOTTOM:
- pointer = WLSC_POINTER_BOTTOM;
- break;
- case WL_GRAB_RESIZE_LEFT:
- pointer = WLSC_POINTER_LEFT;
- break;
- case WL_GRAB_RESIZE_TOP_LEFT:
- pointer = WLSC_POINTER_TOP_LEFT;
- break;
- case WL_GRAB_RESIZE_BOTTOM_LEFT:
- pointer = WLSC_POINTER_BOTTOM_LEFT;
- break;
- case WL_GRAB_RESIZE_RIGHT:
- pointer = WLSC_POINTER_RIGHT;
- break;
- case WL_GRAB_RESIZE_TOP_RIGHT:
- pointer = WLSC_POINTER_TOP_RIGHT;
- break;
- case WL_GRAB_RESIZE_BOTTOM_RIGHT:
- pointer = WLSC_POINTER_BOTTOM_RIGHT;
- break;
- }
-
- if (wl_input_device_update_grab(&wd->input_device,
- &resize->grab, surface, time) < 0)
- return;
-
- wlsc_input_device_set_pointer_image(wd, pointer);
-}
-
-static void
-wl_drag_set_pointer_focus(struct wl_drag *drag,
- struct wl_surface *surface, uint32_t time,
- int32_t x, int32_t y, int32_t sx, int32_t sy);
-
-static void
-destroy_drag(struct wl_resource *resource, struct wl_client *client)
-{
- struct wl_drag *drag =
- container_of(resource, struct wl_drag, resource);
-
- wl_list_remove(&drag->drag_focus_listener.link);
- if (drag->grab.input_device)
- wl_input_device_end_grab(drag->grab.input_device, get_time());
-
- free(drag);
-}
-
-const static struct wl_drag_interface drag_interface;
-
-static void
-drag_handle_surface_destroy(struct wl_listener *listener,
- struct wl_surface *surface, uint32_t time)
-{
- struct wl_drag *drag =
- container_of(listener, struct wl_drag, drag_focus_listener);
-
- if (drag->drag_focus == surface)
- wl_drag_set_pointer_focus(drag, NULL, time, 0, 0, 0, 0);
-}
-
-static void
-shell_create_drag(struct wl_client *client,
- struct wl_shell *shell, uint32_t id)
-{
- struct wl_drag *drag;
-
- drag = malloc(sizeof *drag);
- if (drag == NULL) {
- wl_client_post_no_memory(client);
- return;
- }
-
- memset(drag, 0, sizeof *drag);
- drag->resource.object.id = id;
- drag->resource.object.interface = &wl_drag_interface;
- drag->resource.object.implementation =
- (void (**)(void)) &drag_interface;
-
- drag->resource.destroy = destroy_drag;
-
- drag->drag_focus_listener.func = drag_handle_surface_destroy;
- wl_list_init(&drag->drag_focus_listener.link);
-
- wl_client_add_resource(client, &drag->resource);
-}
-
-const static struct wl_shell_interface shell_interface = {
- shell_move,
- shell_resize,
- shell_create_drag
-};
-
static void
compositor_create_surface(struct wl_client *client,
struct wl_compositor *compositor, uint32_t id)
@@ -805,7 +563,7 @@
*sy = v.f[1] * surface->height;
}
-static struct wlsc_surface *
+struct wlsc_surface *
pick_surface(struct wl_input_device *device, int32_t *sx, int32_t *sy)
{
struct wlsc_compositor *ec =
@@ -1010,202 +768,6 @@
}
static void
-wl_drag_set_pointer_focus(struct wl_drag *drag,
- struct wl_surface *surface, uint32_t time,
- int32_t x, int32_t y, int32_t sx, int32_t sy)
-{
- char **p, **end;
-
- if (drag->drag_focus == surface)
- return;
-
- if (drag->drag_focus &&
- (!surface || drag->drag_focus->client != surface->client))
- wl_client_post_event(drag->drag_focus->client,
- &drag->drag_offer.object,
- WL_DRAG_OFFER_POINTER_FOCUS,
- time, NULL, 0, 0, 0, 0);
-
- if (surface &&
- (!drag->drag_focus ||
- drag->drag_focus->client != surface->client)) {
- wl_client_post_global(surface->client,
- &drag->drag_offer.object);
-
- end = drag->types.data + drag->types.size;
- for (p = drag->types.data; p < end; p++)
- wl_client_post_event(surface->client,
- &drag->drag_offer.object,
- WL_DRAG_OFFER_OFFER, *p);
- }
-
- if (surface) {
- wl_client_post_event(surface->client,
- &drag->drag_offer.object,
- WL_DRAG_OFFER_POINTER_FOCUS,
- time, surface,
- x, y, sx, sy);
-
- }
-
- drag->drag_focus = surface;
- drag->pointer_focus_time = time;
- drag->target = NULL;
-
- wl_list_remove(&drag->drag_focus_listener.link);
- if (surface)
- wl_list_insert(surface->destroy_listener_list.prev,
- &drag->drag_focus_listener.link);
-}
-
-static void
-drag_offer_accept(struct wl_client *client,
- struct wl_drag_offer *offer, uint32_t time, const char *type)
-{
- struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer);
- char **p, **end;
-
- /* If the client responds to drag pointer_focus or motion
- * events after the pointer has left the surface, we just
- * discard the accept requests. The drag source just won't
- * get the corresponding 'target' events and eventually the
- * next surface/root will start sending events. */
- if (time < drag->pointer_focus_time)
- return;
-
- drag->target = client;
- drag->type = NULL;
- end = drag->types.data + drag->types.size;
- for (p = drag->types.data; p < end; p++)
- if (type && strcmp(*p, type) == 0)
- drag->type = *p;
-
- wl_client_post_event(drag->source->client, &drag->resource.object,
- WL_DRAG_TARGET, drag->type);
-}
-
-static void
-drag_offer_receive(struct wl_client *client,
- struct wl_drag_offer *offer, int fd)
-{
- struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer);
-
- wl_client_post_event(drag->source->client, &drag->resource.object,
- WL_DRAG_FINISH, fd);
- close(fd);
-}
-
-static void
-drag_offer_reject(struct wl_client *client, struct wl_drag_offer *offer)
-{
- struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer);
-
- wl_client_post_event(drag->source->client, &drag->resource.object,
- WL_DRAG_REJECT);
-}
-
-static const struct wl_drag_offer_interface drag_offer_interface = {
- drag_offer_accept,
- drag_offer_receive,
- drag_offer_reject
-};
-
-static void
-drag_offer(struct wl_client *client, struct wl_drag *drag, const char *type)
-{
- char **p;
-
- p = wl_array_add(&drag->types, sizeof *p);
- if (p)
- *p = strdup(type);
- if (!p || !*p)
- wl_client_post_no_memory(client);
-}
-
-static void
-drag_grab_motion(struct wl_grab *grab,
- uint32_t time, int32_t x, int32_t y)
-{
- struct wl_drag *drag = container_of(grab, struct wl_drag, grab);
- struct wlsc_surface *es;
- int32_t sx, sy;
-
- es = pick_surface(grab->input_device, &sx, &sy);
- wl_drag_set_pointer_focus(drag, &es->surface, time, x, y, sx, sy);
- if (es)
- wl_client_post_event(es->surface.client,
- &drag->drag_offer.object,
- WL_DRAG_OFFER_MOTION,
- time, x, y, sx, sy);
-}
-
-static void
-drag_grab_button(struct wl_grab *grab,
- uint32_t time, int32_t button, int32_t state)
-{
-}
-
-static void
-drag_grab_end(struct wl_grab *grab, uint32_t time)
-{
- struct wl_drag *drag = container_of(grab, struct wl_drag, grab);
-
- if (drag->target)
- wl_client_post_event(drag->target,
- &drag->drag_offer.object,
- WL_DRAG_OFFER_DROP);
-
- wl_drag_set_pointer_focus(drag, NULL, time, 0, 0, 0, 0);
-}
-
-static const struct wl_grab_interface drag_grab_interface = {
- drag_grab_motion,
- drag_grab_button,
- drag_grab_end
-};
-
-static void
-drag_activate(struct wl_client *client,
- struct wl_drag *drag,
- struct wl_surface *surface,
- struct wl_input_device *device, uint32_t time)
-{
- struct wl_display *display = wl_client_get_display (client);
- struct wlsc_surface *target;
- int32_t sx, sy;
-
- if (wl_input_device_update_grab(device,
- &drag->grab, surface, time) < 0)
- return;
-
- drag->grab.interface = &drag_grab_interface;
-
- drag->source = surface;
-
- drag->drag_offer.object.interface = &wl_drag_offer_interface;
- drag->drag_offer.object.implementation =
- (void (**)(void)) &drag_offer_interface;
-
- wl_display_add_object(display, &drag->drag_offer.object);
-
- target = pick_surface(device, &sx, &sy);
- wl_drag_set_pointer_focus(drag, &target->surface, time,
- device->x, device->y, sx, sy);
-}
-
-static void
-drag_destroy(struct wl_client *client, struct wl_drag *drag)
-{
- wl_resource_destroy(&drag->resource, client);
-}
-
-static const struct wl_drag_interface drag_interface = {
- drag_offer,
- drag_activate,
- drag_destroy,
-};
-
-static void
input_device_attach(struct wl_client *client,
struct wl_input_device *device_base,
uint32_t time,
@@ -1410,11 +972,7 @@
wlsc_shm_init(ec);
- ec->shell.object.interface = &wl_shell_interface;
- ec->shell.object.implementation = (void (**)(void)) &shell_interface;
- wl_display_add_object(display, &ec->shell.object);
- if (wl_display_add_global(display, &ec->shell.object, NULL))
- return -1;
+ wlsc_shell_init(ec);
wl_list_init(&ec->surface_list);
wl_list_init(&ec->input_device_list);
diff --git a/compositor/compositor.h b/compositor/compositor.h
index dd7f534..6ca7242 100644
--- a/compositor/compositor.h
+++ b/compositor/compositor.h
@@ -142,6 +142,9 @@
};
void
+wlsc_surface_update_matrix(struct wlsc_surface *es);
+
+void
notify_motion(struct wl_input_device *device,
uint32_t time, int x, int y);
void
@@ -156,6 +159,15 @@
void
wlsc_compositor_schedule_repaint(struct wlsc_compositor *compositor);
+void
+wlsc_input_device_set_pointer_image(struct wlsc_input_device *device,
+ enum wlsc_pointer_type type);
+struct wlsc_surface *
+pick_surface(struct wl_input_device *device, int32_t *sx, int32_t *sy);
+
+uint32_t
+get_time(void);
+
struct wl_buffer *
wlsc_drm_buffer_create(struct wlsc_compositor *ec,
int width, int height,
@@ -175,6 +187,19 @@
int
wlsc_shm_init(struct wlsc_compositor *ec);
+int
+wlsc_shell_init(struct wlsc_compositor *ec);
+
+void
+shell_move(struct wl_client *client, struct wl_shell *shell,
+ struct wl_surface *surface,
+ struct wl_input_device *device, uint32_t time);
+
+void
+shell_resize(struct wl_client *client, struct wl_shell *shell,
+ struct wl_surface *surface,
+ struct wl_input_device *device, uint32_t time, uint32_t edges);
+
struct wl_buffer *
wl_buffer_create_drm(struct wlsc_compositor *compositor,
struct wl_visual *visual);
diff --git a/compositor/shell.c b/compositor/shell.c
new file mode 100644
index 0000000..a0331e2
--- /dev/null
+++ b/compositor/shell.c
@@ -0,0 +1,479 @@
+/*
+ * Copyright © 2010 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 <string.h>
+#include <unistd.h>
+
+#include "wayland-server.h"
+#include "compositor.h"
+
+struct wlsc_move_grab {
+ struct wl_grab grab;
+ int32_t dx, dy;
+};
+
+static void
+move_grab_motion(struct wl_grab *grab,
+ uint32_t time, int32_t x, int32_t y)
+{
+ struct wlsc_move_grab *move = (struct wlsc_move_grab *) grab;
+ struct wlsc_surface *es =
+ (struct wlsc_surface *) grab->input_device->pointer_focus;
+
+ es->x = x + move->dx;
+ es->y = y + move->dy;
+ wlsc_surface_update_matrix(es);
+}
+
+static void
+move_grab_button(struct wl_grab *grab,
+ uint32_t time, int32_t button, int32_t state)
+{
+}
+
+static void
+move_grab_end(struct wl_grab *grab, uint32_t time)
+{
+ free(grab);
+}
+
+static const struct wl_grab_interface move_grab_interface = {
+ move_grab_motion,
+ move_grab_button,
+ move_grab_end
+};
+
+void
+shell_move(struct wl_client *client, struct wl_shell *shell,
+ struct wl_surface *surface,
+ struct wl_input_device *device, uint32_t time)
+{
+ struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
+ struct wlsc_surface *es = (struct wlsc_surface *) surface;
+ struct wlsc_move_grab *move;
+
+ move = malloc(sizeof *move);
+ if (!move) {
+ wl_client_post_no_memory(client);
+ return;
+ }
+
+ move->grab.interface = &move_grab_interface;
+ move->dx = es->x - wd->input_device.grab_x;
+ move->dy = es->y - wd->input_device.grab_y;
+
+ if (wl_input_device_update_grab(&wd->input_device,
+ &move->grab, surface, time) < 0)
+ return;
+
+ wlsc_input_device_set_pointer_image(wd, WLSC_POINTER_DRAGGING);
+}
+
+struct wlsc_resize_grab {
+ struct wl_grab grab;
+ uint32_t edges;
+ int32_t dx, dy, width, height;
+};
+
+static void
+resize_grab_motion(struct wl_grab *grab,
+ uint32_t time, int32_t x, int32_t y)
+{
+ struct wlsc_resize_grab *resize = (struct wlsc_resize_grab *) grab;
+ struct wl_input_device *device = grab->input_device;
+ struct wlsc_compositor *ec =
+ (struct wlsc_compositor *) device->compositor;
+ struct wl_surface *surface = device->pointer_focus;
+ int32_t width, height;
+
+ if (resize->edges & WL_GRAB_RESIZE_LEFT) {
+ width = device->grab_x - x + resize->width;
+ } else if (resize->edges & WL_GRAB_RESIZE_RIGHT) {
+ width = x - device->grab_x + resize->width;
+ } else {
+ width = resize->width;
+ }
+
+ if (resize->edges & WL_GRAB_RESIZE_TOP) {
+ height = device->grab_y - y + resize->height;
+ } else if (resize->edges & WL_GRAB_RESIZE_BOTTOM) {
+ height = y - device->grab_y + resize->height;
+ } else {
+ height = resize->height;
+ }
+
+ wl_client_post_event(surface->client, &ec->shell.object,
+ WL_SHELL_CONFIGURE, time, resize->edges,
+ surface, width, height);
+}
+
+static void
+resize_grab_button(struct wl_grab *grab,
+ uint32_t time, int32_t button, int32_t state)
+{
+}
+
+static void
+resize_grab_end(struct wl_grab *grab, uint32_t time)
+{
+ free(grab);
+}
+
+static const struct wl_grab_interface resize_grab_interface = {
+ resize_grab_motion,
+ resize_grab_button,
+ resize_grab_end
+};
+
+void
+shell_resize(struct wl_client *client, struct wl_shell *shell,
+ struct wl_surface *surface,
+ struct wl_input_device *device, uint32_t time, uint32_t edges)
+{
+ struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
+ struct wlsc_resize_grab *resize;
+ enum wlsc_pointer_type pointer = WLSC_POINTER_LEFT_PTR;
+ struct wlsc_surface *es = (struct wlsc_surface *) surface;
+
+ resize = malloc(sizeof *resize);
+ if (!resize) {
+ wl_client_post_no_memory(client);
+ return;
+ }
+
+ resize->grab.interface = &resize_grab_interface;
+ resize->edges = edges;
+ resize->dx = es->x - wd->input_device.grab_x;
+ resize->dy = es->y - wd->input_device.grab_y;
+ resize->width = es->width;
+ resize->height = es->height;
+
+ if (edges == 0 || edges > 15 ||
+ (edges & 3) == 3 || (edges & 12) == 12)
+ return;
+
+ switch (edges) {
+ case WL_GRAB_RESIZE_TOP:
+ pointer = WLSC_POINTER_TOP;
+ break;
+ case WL_GRAB_RESIZE_BOTTOM:
+ pointer = WLSC_POINTER_BOTTOM;
+ break;
+ case WL_GRAB_RESIZE_LEFT:
+ pointer = WLSC_POINTER_LEFT;
+ break;
+ case WL_GRAB_RESIZE_TOP_LEFT:
+ pointer = WLSC_POINTER_TOP_LEFT;
+ break;
+ case WL_GRAB_RESIZE_BOTTOM_LEFT:
+ pointer = WLSC_POINTER_BOTTOM_LEFT;
+ break;
+ case WL_GRAB_RESIZE_RIGHT:
+ pointer = WLSC_POINTER_RIGHT;
+ break;
+ case WL_GRAB_RESIZE_TOP_RIGHT:
+ pointer = WLSC_POINTER_TOP_RIGHT;
+ break;
+ case WL_GRAB_RESIZE_BOTTOM_RIGHT:
+ pointer = WLSC_POINTER_BOTTOM_RIGHT;
+ break;
+ }
+
+ if (wl_input_device_update_grab(&wd->input_device,
+ &resize->grab, surface, time) < 0)
+ return;
+
+ wlsc_input_device_set_pointer_image(wd, pointer);
+}
+
+static void
+wl_drag_set_pointer_focus(struct wl_drag *drag,
+ struct wl_surface *surface, uint32_t time,
+ int32_t x, int32_t y, int32_t sx, int32_t sy);
+
+static void
+destroy_drag(struct wl_resource *resource, struct wl_client *client)
+{
+ struct wl_drag *drag =
+ container_of(resource, struct wl_drag, resource);
+
+ wl_list_remove(&drag->drag_focus_listener.link);
+ if (drag->grab.input_device)
+ wl_input_device_end_grab(drag->grab.input_device, get_time());
+
+ free(drag);
+}
+
+
+static void
+wl_drag_set_pointer_focus(struct wl_drag *drag,
+ struct wl_surface *surface, uint32_t time,
+ int32_t x, int32_t y, int32_t sx, int32_t sy)
+{
+ char **p, **end;
+
+ if (drag->drag_focus == surface)
+ return;
+
+ if (drag->drag_focus &&
+ (!surface || drag->drag_focus->client != surface->client))
+ wl_client_post_event(drag->drag_focus->client,
+ &drag->drag_offer.object,
+ WL_DRAG_OFFER_POINTER_FOCUS,
+ time, NULL, 0, 0, 0, 0);
+
+ if (surface &&
+ (!drag->drag_focus ||
+ drag->drag_focus->client != surface->client)) {
+ wl_client_post_global(surface->client,
+ &drag->drag_offer.object);
+
+ end = drag->types.data + drag->types.size;
+ for (p = drag->types.data; p < end; p++)
+ wl_client_post_event(surface->client,
+ &drag->drag_offer.object,
+ WL_DRAG_OFFER_OFFER, *p);
+ }
+
+ if (surface) {
+ wl_client_post_event(surface->client,
+ &drag->drag_offer.object,
+ WL_DRAG_OFFER_POINTER_FOCUS,
+ time, surface,
+ x, y, sx, sy);
+
+ }
+
+ drag->drag_focus = surface;
+ drag->pointer_focus_time = time;
+ drag->target = NULL;
+
+ wl_list_remove(&drag->drag_focus_listener.link);
+ if (surface)
+ wl_list_insert(surface->destroy_listener_list.prev,
+ &drag->drag_focus_listener.link);
+}
+
+static void
+drag_offer_accept(struct wl_client *client,
+ struct wl_drag_offer *offer, uint32_t time, const char *type)
+{
+ struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer);
+ char **p, **end;
+
+ /* If the client responds to drag pointer_focus or motion
+ * events after the pointer has left the surface, we just
+ * discard the accept requests. The drag source just won't
+ * get the corresponding 'target' events and eventually the
+ * next surface/root will start sending events. */
+ if (time < drag->pointer_focus_time)
+ return;
+
+ drag->target = client;
+ drag->type = NULL;
+ end = drag->types.data + drag->types.size;
+ for (p = drag->types.data; p < end; p++)
+ if (type && strcmp(*p, type) == 0)
+ drag->type = *p;
+
+ wl_client_post_event(drag->source->client, &drag->resource.object,
+ WL_DRAG_TARGET, drag->type);
+}
+
+static void
+drag_offer_receive(struct wl_client *client,
+ struct wl_drag_offer *offer, int fd)
+{
+ struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer);
+
+ wl_client_post_event(drag->source->client, &drag->resource.object,
+ WL_DRAG_FINISH, fd);
+ close(fd);
+}
+
+static void
+drag_offer_reject(struct wl_client *client, struct wl_drag_offer *offer)
+{
+ struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer);
+
+ wl_client_post_event(drag->source->client, &drag->resource.object,
+ WL_DRAG_REJECT);
+}
+
+static const struct wl_drag_offer_interface drag_offer_interface = {
+ drag_offer_accept,
+ drag_offer_receive,
+ drag_offer_reject
+};
+
+static void
+drag_offer(struct wl_client *client, struct wl_drag *drag, const char *type)
+{
+ char **p;
+
+ p = wl_array_add(&drag->types, sizeof *p);
+ if (p)
+ *p = strdup(type);
+ if (!p || !*p)
+ wl_client_post_no_memory(client);
+}
+
+static void
+drag_grab_motion(struct wl_grab *grab,
+ uint32_t time, int32_t x, int32_t y)
+{
+ struct wl_drag *drag = container_of(grab, struct wl_drag, grab);
+ struct wlsc_surface *es;
+ int32_t sx, sy;
+
+ es = pick_surface(grab->input_device, &sx, &sy);
+ wl_drag_set_pointer_focus(drag, &es->surface, time, x, y, sx, sy);
+ if (es)
+ wl_client_post_event(es->surface.client,
+ &drag->drag_offer.object,
+ WL_DRAG_OFFER_MOTION,
+ time, x, y, sx, sy);
+}
+
+static void
+drag_grab_button(struct wl_grab *grab,
+ uint32_t time, int32_t button, int32_t state)
+{
+}
+
+static void
+drag_grab_end(struct wl_grab *grab, uint32_t time)
+{
+ struct wl_drag *drag = container_of(grab, struct wl_drag, grab);
+
+ if (drag->target)
+ wl_client_post_event(drag->target,
+ &drag->drag_offer.object,
+ WL_DRAG_OFFER_DROP);
+
+ wl_drag_set_pointer_focus(drag, NULL, time, 0, 0, 0, 0);
+}
+
+static const struct wl_grab_interface drag_grab_interface = {
+ drag_grab_motion,
+ drag_grab_button,
+ drag_grab_end
+};
+
+static void
+drag_activate(struct wl_client *client,
+ struct wl_drag *drag,
+ struct wl_surface *surface,
+ struct wl_input_device *device, uint32_t time)
+{
+ struct wl_display *display = wl_client_get_display (client);
+ struct wlsc_surface *target;
+ int32_t sx, sy;
+
+ if (wl_input_device_update_grab(device,
+ &drag->grab, surface, time) < 0)
+ return;
+
+ drag->grab.interface = &drag_grab_interface;
+
+ drag->source = surface;
+
+ drag->drag_offer.object.interface = &wl_drag_offer_interface;
+ drag->drag_offer.object.implementation =
+ (void (**)(void)) &drag_offer_interface;
+
+ wl_display_add_object(display, &drag->drag_offer.object);
+
+ target = pick_surface(device, &sx, &sy);
+ wl_drag_set_pointer_focus(drag, &target->surface, time,
+ device->x, device->y, sx, sy);
+}
+
+static void
+drag_destroy(struct wl_client *client, struct wl_drag *drag)
+{
+ wl_resource_destroy(&drag->resource, client);
+}
+
+static const struct wl_drag_interface drag_interface = {
+ drag_offer,
+ drag_activate,
+ drag_destroy,
+};
+
+static void
+drag_handle_surface_destroy(struct wl_listener *listener,
+ struct wl_surface *surface, uint32_t time)
+{
+ struct wl_drag *drag =
+ container_of(listener, struct wl_drag, drag_focus_listener);
+
+ if (drag->drag_focus == surface)
+ wl_drag_set_pointer_focus(drag, NULL, time, 0, 0, 0, 0);
+}
+
+static void
+shell_create_drag(struct wl_client *client,
+ struct wl_shell *shell, uint32_t id)
+{
+ struct wl_drag *drag;
+
+ drag = malloc(sizeof *drag);
+ if (drag == NULL) {
+ wl_client_post_no_memory(client);
+ return;
+ }
+
+ memset(drag, 0, sizeof *drag);
+ drag->resource.object.id = id;
+ drag->resource.object.interface = &wl_drag_interface;
+ drag->resource.object.implementation =
+ (void (**)(void)) &drag_interface;
+
+ drag->resource.destroy = destroy_drag;
+
+ drag->drag_focus_listener.func = drag_handle_surface_destroy;
+ wl_list_init(&drag->drag_focus_listener.link);
+
+ wl_client_add_resource(client, &drag->resource);
+}
+
+const static struct wl_shell_interface shell_interface = {
+ shell_move,
+ shell_resize,
+ shell_create_drag
+};
+
+int
+wlsc_shell_init(struct wlsc_compositor *ec)
+{
+ struct wl_shell *shell = &ec->shell;
+
+ shell->object.interface = &wl_shell_interface;
+ shell->object.implementation = (void (**)(void)) &shell_interface;
+ wl_display_add_object(ec->wl_display, &shell->object);
+ if (wl_display_add_global(ec->wl_display, &shell->object, NULL))
+ return -1;
+
+ return 0;
+}