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tablet-shell: Remove 

The tablet-shell is unmaintained and unused.  It is currently
dead-weight and a burden when we make changes to weston.  Let's
drop it for now, we can pull it out of git if we find a need for it later.
This commit is contained in:
Kristian Høgsberg 2013-12-03 16:32:01 -08:00
parent cae1f0ff2d
commit 873b515aee
7 changed files with 0 additions and 1157 deletions
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13
clients/Makefile.am
View File

@ -17,7 +17,6 @@ endif
libexec_PROGRAMS = \
$(desktop_shell) \
$(tablet_shell) \
$(screenshooter) \
$(screensaver) \
$(keyboard) \
@ -85,10 +84,6 @@ clients_programs = \
desktop_shell = weston-desktop-shell
if ENABLE_TABLET_SHELL
tablet_shell = weston-tablet-shell
endif
screenshooter = weston-screenshooter
noinst_LTLIBRARIES = libtoytoolkit.la
@ -210,12 +205,6 @@ weston_desktop_shell_SOURCES = \
desktop-shell-protocol.c
weston_desktop_shell_LDADD = libtoytoolkit.la
weston_tablet_shell_SOURCES = \
tablet-shell.c \
tablet-shell-client-protocol.h \
tablet-shell-protocol.c
weston_tablet_shell_LDADD = libtoytoolkit.la
BUILT_SOURCES = \
screenshooter-client-protocol.h \
screenshooter-protocol.c \
@ -227,8 +216,6 @@ BUILT_SOURCES = \
input-method-client-protocol.h \
desktop-shell-client-protocol.h \
desktop-shell-protocol.c \
tablet-shell-client-protocol.h \
tablet-shell-protocol.c \
workspaces-client-protocol.h \
workspaces-protocol.c

478
clients/tablet-shell.c
View File

@ -1,478 +0,0 @@
/*
* Copyright © 2011, 2012 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 <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/wait.h>
#include "window.h"
#include "../shared/cairo-util.h"
#include "../shared/config-parser.h"
#include "tablet-shell-client-protocol.h"
struct tablet {
struct display *display;
struct tablet_shell *tablet_shell;
struct rectangle allocation;
struct window *switcher;
struct homescreen *homescreen;
struct lockscreen *lockscreen;
};
struct homescreen {
struct window *window;
struct widget *widget;
struct wl_list launcher_list;
};
struct lockscreen {
struct window *window;
struct widget *widget;
};
struct launcher {
struct widget *widget;
struct homescreen *homescreen;
cairo_surface_t *icon;
int focused, pressed;
char *path;
struct wl_list link;
};
static char *key_lockscreen_icon;
static char *key_lockscreen_background;
static char *key_homescreen_background;
static void
sigchild_handler(int s)
{
int status;
pid_t pid;
while (pid = waitpid(-1, &status, WNOHANG), pid > 0)
fprintf(stderr, "child %d exited\n", pid);
}
static void
paint_background(cairo_t *cr, const char *path, struct rectangle *allocation)
{
cairo_surface_t *image = NULL;
cairo_pattern_t *pattern;
cairo_matrix_t matrix;
double sx, sy;
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
if (path)
image = load_cairo_surface(path);
if (image) {
pattern = cairo_pattern_create_for_surface(image);
sx = (double) cairo_image_surface_get_width(image) /
allocation->width;
sy = (double) cairo_image_surface_get_height(image) /
allocation->height;
cairo_matrix_init_scale(&matrix, sx, sy);
cairo_pattern_set_matrix(pattern, &matrix);
cairo_set_source(cr, pattern);
cairo_pattern_destroy (pattern);
cairo_surface_destroy(image);
cairo_paint(cr);
} else {
fprintf(stderr, "couldn't load background image: %s\n", path);
cairo_set_source_rgb(cr, 0.2, 0, 0);
cairo_paint(cr);
}
}
static void
homescreen_draw(struct widget *widget, void *data)
{
struct homescreen *homescreen = data;
cairo_surface_t *surface;
struct rectangle allocation;
cairo_t *cr;
struct launcher *launcher;
const int rows = 4, columns = 5, icon_width = 128, icon_height = 128;
int x, y, i, width, height, vmargin, hmargin, vpadding, hpadding;
surface = window_get_surface(homescreen->window);
cr = cairo_create(surface);
widget_get_allocation(widget, &allocation);
paint_background(cr, key_homescreen_background, &allocation);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
width = allocation.width - columns * icon_width;
hpadding = width / (columns + 1);
hmargin = (width - hpadding * (columns - 1)) / 2;
height = allocation.height - rows * icon_height;
vpadding = height / (rows + 1);
vmargin = (height - vpadding * (rows - 1)) / 2;
x = hmargin;
y = vmargin;
i = 0;
wl_list_for_each(launcher, &homescreen->launcher_list, link) {
widget_set_allocation(launcher->widget,
x, y, icon_width, icon_height);
x += icon_width + hpadding;
i++;
if (i == columns) {
x = hmargin;
y += icon_height + vpadding;
i = 0;
}
}
cairo_destroy(cr);
cairo_surface_destroy(surface);
}
static void
lockscreen_draw(struct widget *widget, void *data)
{
struct lockscreen *lockscreen = data;
cairo_surface_t *surface;
cairo_surface_t *icon;
struct rectangle allocation;
cairo_t *cr;
int width, height;
surface = window_get_surface(lockscreen->window);
cr = cairo_create(surface);
widget_get_allocation(widget, &allocation);
paint_background(cr, key_lockscreen_background, &allocation);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
icon = load_cairo_surface(key_lockscreen_icon);
if (icon) {
width = cairo_image_surface_get_width(icon);
height = cairo_image_surface_get_height(icon);
cairo_set_source_surface(cr, icon,
allocation.x + (allocation.width - width) / 2,
allocation.y + (allocation.height - height) / 2);
} else {
fprintf(stderr, "couldn't load lockscreen icon: %s\n",
key_lockscreen_icon);
cairo_set_source_rgb(cr, 0.2, 0, 0);
}
cairo_paint(cr);
cairo_destroy(cr);
cairo_surface_destroy(icon);
cairo_surface_destroy(surface);
}
static void
lockscreen_button_handler(struct widget *widget,
struct input *input, uint32_t time,
uint32_t button,
enum wl_pointer_button_state state, void *data)
{
struct lockscreen *lockscreen = data;
if (state == WL_POINTER_BUTTON_STATE_PRESSED && lockscreen->window) {
window_destroy(lockscreen->window);
lockscreen->window = NULL;
}
}
static struct homescreen *
homescreen_create(struct tablet *tablet)
{
struct homescreen *homescreen;
homescreen = zalloc (sizeof *homescreen);
homescreen->window = window_create_custom(tablet->display);
homescreen->widget =
window_add_widget(homescreen->window, homescreen);
window_set_user_data(homescreen->window, homescreen);
window_set_title(homescreen->window, "homescreen");
widget_set_redraw_handler(homescreen->widget, homescreen_draw);
return homescreen;
}
static struct lockscreen *
lockscreen_create(struct tablet *tablet)
{
struct lockscreen *lockscreen;
lockscreen = zalloc (sizeof *lockscreen);
lockscreen->window = window_create_custom(tablet->display);
lockscreen->widget =
window_add_widget(lockscreen->window, lockscreen);
window_set_user_data(lockscreen->window, lockscreen);
window_set_title(lockscreen->window, "lockscreen");
widget_set_redraw_handler(lockscreen->widget, lockscreen_draw);
widget_set_button_handler(lockscreen->widget,
lockscreen_button_handler);
return lockscreen;
}
static void
show_lockscreen(void *data, struct tablet_shell *tablet_shell)
{
struct tablet *tablet = data;
tablet->lockscreen = lockscreen_create(tablet);
tablet_shell_set_lockscreen(tablet->tablet_shell,
window_get_wl_surface(tablet->lockscreen->window));
widget_schedule_resize(tablet->lockscreen->widget,
tablet->allocation.width,
tablet->allocation.height);
}
static void
show_switcher(void *data, struct tablet_shell *tablet_shell)
{
struct tablet *tablet = data;
tablet->switcher = window_create_custom(tablet->display);
window_set_user_data(tablet->switcher, tablet);
tablet_shell_set_switcher(tablet->tablet_shell,
window_get_wl_surface(tablet->switcher));
}
static void
hide_switcher(void *data, struct tablet_shell *tablet_shell)
{
}
static const struct tablet_shell_listener tablet_shell_listener = {
show_lockscreen,
show_switcher,
hide_switcher
};
static int
launcher_enter_handler(struct widget *widget, struct input *input,
float x, float y, void *data)
{
struct launcher *launcher = data;
launcher->focused = 1;
widget_schedule_redraw(widget);
return CURSOR_LEFT_PTR;
}
static void
launcher_leave_handler(struct widget *widget,
struct input *input, void *data)
{
struct launcher *launcher = data;
launcher->focused = 0;
widget_schedule_redraw(widget);
}
static void
launcher_activate(struct launcher *widget)
{
pid_t pid;
pid = fork();
if (pid < 0) {
fprintf(stderr, "fork failed: %m\n");
return;
}
if (pid)
return;
if (execl(widget->path, widget->path, NULL) < 0) {
fprintf(stderr, "execl '%s' failed: %m\n", widget->path);
exit(1);
}
}
static void
launcher_button_handler(struct widget *widget,
struct input *input, uint32_t time,
uint32_t button,
enum wl_pointer_button_state state, void *data)
{
struct launcher *launcher;
launcher = widget_get_user_data(widget);
widget_schedule_redraw(widget);
if (state == WL_POINTER_BUTTON_STATE_RELEASED) {
launcher_activate(launcher);
launcher->pressed = 0;
} else if (state == WL_POINTER_BUTTON_STATE_PRESSED)
launcher->pressed = 1;
}
static void
launcher_redraw_handler(struct widget *widget, void *data)
{
struct launcher *launcher = data;
cairo_surface_t *surface;
struct rectangle allocation;
cairo_t *cr;
surface = window_get_surface(launcher->homescreen->window);
cr = cairo_create(surface);
widget_get_allocation(widget, &allocation);
if (launcher->pressed) {
allocation.x++;
allocation.y++;
}
cairo_set_source_surface(cr, launcher->icon,
allocation.x, allocation.y);
cairo_paint(cr);
if (launcher->focused) {
cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 0.4);
cairo_mask_surface(cr, launcher->icon,
allocation.x, allocation.y);
}
cairo_destroy(cr);
}
static void
tablet_shell_add_launcher(struct tablet *tablet,
const char *icon, const char *path)
{
struct launcher *launcher;
struct homescreen *homescreen = tablet->homescreen;
launcher = xmalloc(sizeof *launcher);
launcher->icon = load_cairo_surface(icon);
if ( !launcher->icon ||
cairo_surface_status (launcher->icon) != CAIRO_STATUS_SUCCESS) {
fprintf(stderr, "couldn't load %s\n", icon);
free(launcher);
return;
}
launcher->path = strdup(path);
launcher->homescreen = homescreen;
launcher->widget = widget_add_widget(homescreen->widget, launcher);
widget_set_enter_handler(launcher->widget,
launcher_enter_handler);
widget_set_leave_handler(launcher->widget,
launcher_leave_handler);
widget_set_button_handler(launcher->widget,
launcher_button_handler);
widget_set_redraw_handler(launcher->widget,
launcher_redraw_handler);
wl_list_insert(&homescreen->launcher_list, &launcher->link);
}
static void
global_handler(struct display *display, uint32_t name,
const char *interface, uint32_t version, void *data)
{
struct tablet *tablet = data;
if (!strcmp(interface, "tablet_shell")) {
tablet->tablet_shell =
display_bind(display, name,
&tablet_shell_interface, 1);
tablet_shell_add_listener(tablet->tablet_shell,
&tablet_shell_listener, tablet);
}
}
int main(int argc, char *argv[])
{
struct tablet tablet = { 0 };
struct display *display;
struct output *output;
struct weston_config *config;
struct weston_config_section *s;
char *icon, *path;
const char *name;
display = display_create(&argc, argv);
if (display == NULL) {
fprintf(stderr, "failed to create display: %m\n");
return -1;
}
tablet.display = display;
display_set_user_data(tablet.display, &tablet);
display_set_global_handler(tablet.display, global_handler);
tablet.homescreen = homescreen_create(&tablet);
tablet_shell_set_homescreen(tablet.tablet_shell,
window_get_wl_surface(tablet.homescreen->window));
wl_display_roundtrip (display_get_display(tablet.display));
wl_list_init(&tablet.homescreen->launcher_list);
config = weston_config_parse("weston.ini");
s = weston_config_get_section(config, "shell", NULL, NULL);
weston_config_section_get_string(s, "lockscreen-icon",
&key_lockscreen_icon, NULL);
weston_config_section_get_string(s, "lockscreen",
&key_lockscreen_background, NULL);
weston_config_section_get_string(s, "homescreen",
&key_homescreen_background, NULL);
s = NULL;
while (weston_config_next_section(config, &s, &name)) {
if (strcmp(name, "launcher") != 0)
continue;
weston_config_section_get_string(s, "icon", &icon, NULL);
weston_config_section_get_string(s, "path", &path, NULL);
if (icon != NULL && path != NULL)
tablet_shell_add_launcher(&tablet, icon, path);
else
fprintf(stderr, "invalid launcher section\n");
free(icon);
free(path);
}
weston_config_destroy(config);
signal(SIGCHLD, sigchild_handler);
output = display_get_output(tablet.display);
output_get_allocation(output, &tablet.allocation);
widget_schedule_resize(tablet.homescreen->widget,
tablet.allocation.width,
tablet.allocation.height);
display_run(display);
return 0;
}

8
configure.ac
View File

@ -362,13 +362,6 @@ AM_CONDITIONAL(BUILD_SUBSURFACES_CLIENT,
AM_CONDITIONAL(ENABLE_DESKTOP_SHELL, true)
AC_ARG_ENABLE(tablet-shell,
AS_HELP_STRING([--disable-tablet-shell],
[do not build tablet-shell server plugin and client]),,
enable_tablet_shell=yes)
AM_CONDITIONAL(ENABLE_TABLET_SHELL,
test "x$enable_tablet_shell" = "xyes")
# CMS modules
AC_ARG_ENABLE(colord,
AS_HELP_STRING([--disable-colord],
@ -520,7 +513,6 @@ AC_MSG_RESULT([
dbus ${enable_dbus}
Build wcap utility ${enable_wcap_tools}
Build Tablet Shell ${enable_tablet_shell}
weston-launch utility ${enable_weston_launch}
systemd-login support ${have_systemd_login}

1
protocol/Makefile.am
View File

@ -1,7 +1,6 @@
protocol_sources = \
desktop-shell.xml \
screenshooter.xml \
tablet-shell.xml \
xserver.xml \
text.xml \
input-method.xml \

40
protocol/tablet-shell.xml
View File

@ -1,40 +0,0 @@
<protocol name="tablet">
<interface name="tablet_shell" version="1">
<request name="set_lockscreen">
<arg name="surface" type="object" interface="wl_surface"/>
</request>
<request name="set_switcher">
<arg name="surface" type="object" interface="wl_surface"/>
</request>
<request name="set_homescreen">
<arg name="surface" type="object" interface="wl_surface"/>
</request>
<request name="show_grid">
<arg name="surface" type="object" interface="wl_surface"/>
</request>
<request name="show_panels">
<arg name="surface" type="object" interface="wl_surface"/>
</request>
<request name="create_client">
<arg name="id" type="new_id" interface="tablet_client"/>
<arg name="name" type="string"/>
<arg name="fd" type="fd"/>
</request>
<event name="show_lockscreen"/>
<event name="show_switcher"/>
<event name="hide_switcher"/>
</interface>
<interface name="tablet_client" version="1">
<request name="destroy" type="destructor"/>
<request name="activate"/>
</interface>
</protocol>

14
src/Makefile.am
View File

@ -115,7 +115,6 @@ westoninclude_HEADERS = \
moduledir = $(libdir)/weston
module_LTLIBRARIES = \
$(desktop_shell) \
$(tablet_shell) \
$(cms_static) \
$(cms_colord) \
$(gl_renderer) \
@ -299,17 +298,6 @@ desktop_shell_la_SOURCES = \
xdg-shell-server-protocol.h
endif
if ENABLE_TABLET_SHELL
tablet_shell = tablet-shell.la
tablet_shell_la_LDFLAGS = -module -avoid-version
tablet_shell_la_LIBADD = $(COMPOSITOR_LIBS)
tablet_shell_la_CFLAGS = $(GCC_CFLAGS) $(COMPOSITOR_CFLAGS)
tablet_shell_la_SOURCES = \
tablet-shell.c \
tablet-shell-protocol.c \
tablet-shell-server-protocol.h
endif
if HAVE_LCMS
cms_static = cms-static.la
cms_static_la_LDFLAGS = -module -avoid-version
@ -347,8 +335,6 @@ BUILT_SOURCES = \
screenshooter-protocol.c \
text-cursor-position-server-protocol.h \
text-cursor-position-protocol.c \
tablet-shell-protocol.c \
tablet-shell-server-protocol.h \
desktop-shell-protocol.c \
desktop-shell-server-protocol.h \
text-protocol.c \

603
src/tablet-shell.c
View File

@ -1,603 +0,0 @@
/*
* Copyright © 2011 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 "config.h"
#include <sys/wait.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <linux/input.h>
#include <assert.h>
#include "compositor.h"
#include "tablet-shell-server-protocol.h"
/*
* TODO: Don't fade back from black until we've received a lockscreen
* attachment.
*/
enum {
STATE_STARTING,
STATE_LOCKED,
STATE_HOME,
STATE_SWITCHER,
STATE_TASK
};
struct tablet_shell {
struct wl_resource *resource;
struct wl_listener lock_listener;
struct wl_listener unlock_listener;
struct wl_listener destroy_listener;
struct weston_compositor *compositor;
struct weston_process process;
struct wl_client *client;
struct weston_surface *surface;
struct weston_surface *lockscreen_surface;
struct wl_listener lockscreen_listener;
struct weston_layer lockscreen_layer;
struct weston_layer application_layer;
struct weston_surface *home_surface;
struct weston_layer homescreen_layer;
struct weston_surface *switcher_surface;
struct wl_listener switcher_listener;
struct tablet_client *current_client;
int state, previous_state;
int long_press_active;
struct wl_event_source *long_press_source;
};
struct tablet_client {
struct wl_resource *resource;
struct tablet_shell *shell;
struct wl_client *client;
struct weston_surface *surface;
char *name;
};
static void
tablet_shell_destroy(struct wl_listener *listener, void *data);
static struct tablet_shell *
get_shell(struct weston_compositor *compositor)
{
struct wl_listener *l;
l = wl_signal_get(&compositor->destroy_signal, tablet_shell_destroy);
if (l)
return container_of(l, struct tablet_shell, destroy_listener);
return NULL;
}
static void
tablet_shell_sigchld(struct weston_process *process, int status)
{
struct tablet_shell *shell =
container_of(process, struct tablet_shell, process);
shell->process.pid = 0;
weston_log("weston-tablet-shell crashed, exit code %d\n", status);
}
static void
tablet_shell_set_state(struct tablet_shell *shell, int state)
{
static const char *states[] = {
"STARTING", "LOCKED", "HOME", "SWITCHER", "TASK"
};
weston_log("switching to state %s (from %s)\n",
states[state], states[shell->state]);
shell->previous_state = shell->state;
shell->state = state;
}
static struct weston_view *
get_surface_view(struct weston_surface *surface, int create)
{
if (!surface)
return NULL;
if (wl_list_empty(&surface->views)) {
if (create)
return weston_view_create(surface);
else
return NULL;
}
return container_of(surface->views.next, struct weston_view, surface_link);
}
static void
tablet_shell_surface_configure(struct weston_surface *surface,
int32_t sx, int32_t sy)
{
struct tablet_shell *shell = get_shell(surface->compositor);
struct weston_view *view = get_surface_view(surface, 0);
assert(view);
if (weston_surface_is_mapped(surface) || surface->width == 0)
return;
if (surface == shell->lockscreen_surface) {
wl_list_insert(&shell->lockscreen_layer.view_list,
&view->layer_link);
} else if (surface == shell->switcher_surface) {
/* */
} else if (surface == shell->home_surface) {
if (shell->state == STATE_STARTING) {
/* homescreen always visible, at the bottom */
wl_list_insert(&shell->homescreen_layer.view_list,
&view->layer_link);
tablet_shell_set_state(shell, STATE_LOCKED);
shell->previous_state = STATE_HOME;
tablet_shell_send_show_lockscreen(shell->resource);
}
} else if (shell->current_client &&
shell->current_client->surface != surface &&
shell->current_client->client == wl_resource_get_client(surface->resource)) {
tablet_shell_set_state(shell, STATE_TASK);
shell->current_client->surface = surface;
weston_zoom_run(view, 0.3, 1.0, NULL, NULL);
wl_list_insert(&shell->application_layer.view_list,
&view->layer_link);
}
if (view) {
weston_view_set_position(view, 0, 0);
weston_view_update_transform(view);
}
}
static void
handle_lockscreen_surface_destroy(struct wl_listener *listener, void *data)
{
struct tablet_shell *shell =
container_of(listener,
struct tablet_shell, lockscreen_listener);
shell->lockscreen_surface = NULL;
tablet_shell_set_state(shell, shell->previous_state);
}
static void
tablet_shell_set_lockscreen(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *surface_resource)
{
struct tablet_shell *shell = wl_resource_get_user_data(resource);
struct weston_surface *es = wl_resource_get_user_data(surface_resource);
struct weston_view *view;
view = weston_view_create(es);
weston_view_set_position(view, 0, 0);
shell->lockscreen_surface = es;
es->configure = tablet_shell_surface_configure;
shell->lockscreen_listener.notify = handle_lockscreen_surface_destroy;
wl_signal_add(&es->destroy_signal, &shell->lockscreen_listener);
}
static void
handle_switcher_surface_destroy(struct wl_listener *listener, void *data)
{
struct tablet_shell *shell =
container_of(listener,
struct tablet_shell, switcher_listener);
shell->switcher_surface = NULL;
if (shell->state != STATE_LOCKED)
tablet_shell_set_state(shell, shell->previous_state);
}
static void
tablet_shell_set_switcher(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *surface_resource)
{
struct tablet_shell *shell = wl_resource_get_user_data(resource);
struct weston_surface *es = wl_resource_get_user_data(surface_resource);
struct weston_view *view;
/* FIXME: Switcher should be centered and the compositor
* should do the tinting of the background. With the cache
* layer idea, we should be able to hit the framerate on the
* fade/zoom in. */
view = weston_view_create(es);
weston_view_set_position(view, 0, 0);
shell->switcher_surface = es;
shell->switcher_listener.notify = handle_switcher_surface_destroy;
wl_signal_add(&es->destroy_signal, &shell->switcher_listener);
}
static void
tablet_shell_set_homescreen(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *surface_resource)
{
struct tablet_shell *shell = wl_resource_get_user_data(resource);
struct weston_surface *es = wl_resource_get_user_data(surface_resource);
struct weston_view *view;
view = weston_view_create(es);
weston_view_set_position(view, 0, 0);
shell->home_surface = es;
es->configure = tablet_shell_surface_configure;
}
static void
minimize_zoom_done(struct weston_view_animation *zoom, void *data)
{
struct tablet_shell *shell = data;
struct weston_compositor *compositor = shell->compositor;
struct weston_seat *seat;
wl_list_for_each(seat, &compositor->seat_list, link)
weston_surface_activate(shell->home_surface, seat);
}
static void
tablet_shell_switch_to(struct tablet_shell *shell,
struct weston_surface *surface)
{
struct weston_compositor *compositor = shell->compositor;
struct weston_seat *seat;
struct weston_surface *current;
struct weston_view *view = get_surface_view(surface, 1);
if (shell->state == STATE_SWITCHER) {
wl_list_remove(&shell->switcher_listener.link);
shell->switcher_surface = NULL;
};
if (surface == shell->home_surface) {
tablet_shell_set_state(shell, STATE_HOME);
if (shell->current_client && shell->current_client->surface) {
current = shell->current_client->surface;
weston_zoom_run(get_surface_view(current, 0), 1.0, 0.3,
minimize_zoom_done, shell);
}
} else {
fprintf(stderr, "switch to %p\n", view);
wl_list_for_each(seat, &compositor->seat_list, link)
weston_surface_activate(view->surface, seat);
tablet_shell_set_state(shell, STATE_TASK);
weston_zoom_run(view, 0.3, 1.0, NULL, NULL);
}
}
static void
tablet_shell_show_grid(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *surface_resource)
{
struct tablet_shell *shell = wl_resource_get_user_data(resource);
struct weston_surface *es = wl_resource_get_user_data(surface_resource);
tablet_shell_switch_to(shell, es);
}
static void
tablet_shell_show_panels(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *surface_resource)
{
struct tablet_shell *shell = wl_resource_get_user_data(resource);
struct weston_surface *es = wl_resource_get_user_data(surface_resource);
tablet_shell_switch_to(shell, es);
}
static void
destroy_tablet_client(struct wl_resource *resource)
{
struct tablet_client *tablet_client =
wl_resource_get_user_data(resource);
free(tablet_client->name);
free(tablet_client);
}
static void
tablet_client_destroy(struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static void
tablet_client_activate(struct wl_client *client, struct wl_resource *resource)
{
struct tablet_client *tablet_client = wl_resource_get_user_data(resource);
struct tablet_shell *shell = tablet_client->shell;
shell->current_client = tablet_client;
if (!tablet_client->surface)
return;
tablet_shell_switch_to(shell, tablet_client->surface);
}
static const struct tablet_client_interface tablet_client_implementation = {
tablet_client_destroy,
tablet_client_activate
};
static void
tablet_shell_create_client(struct wl_client *client,
struct wl_resource *resource,
uint32_t id, const char *name, int fd)
{
struct tablet_shell *shell = wl_resource_get_user_data(resource);
struct weston_compositor *compositor = shell->compositor;
struct tablet_client *tablet_client;
tablet_client = malloc(sizeof *tablet_client);
if (tablet_client == NULL) {
wl_resource_post_no_memory(resource);
return;
}
tablet_client->client = wl_client_create(compositor->wl_display, fd);
tablet_client->shell = shell;
tablet_client->name = strdup(name);
tablet_client->resource =
wl_resource_create(client, &tablet_client_interface, 1, id);
wl_resource_set_implementation(tablet_client->resource,
&tablet_client_implementation,
tablet_client, destroy_tablet_client);
tablet_client->surface = NULL;
shell->current_client = tablet_client;
weston_log("created client %p, id %d, name %s, fd %d\n",
tablet_client->client, id, name, fd);
}
static const struct tablet_shell_interface tablet_shell_implementation = {
tablet_shell_set_lockscreen,
tablet_shell_set_switcher,
tablet_shell_set_homescreen,
tablet_shell_show_grid,
tablet_shell_show_panels,
tablet_shell_create_client
};
static void
launch_ux_daemon(struct tablet_shell *shell)
{
const char *shell_exe = LIBEXECDIR "/weston-tablet-shell";
shell->client = weston_client_launch(shell->compositor,
&shell->process,
shell_exe, tablet_shell_sigchld);
}
static void
toggle_switcher(struct tablet_shell *shell)
{
switch (shell->state) {
case STATE_SWITCHER:
tablet_shell_send_hide_switcher(shell->resource);
break;
default:
tablet_shell_send_show_switcher(shell->resource);
tablet_shell_set_state(shell, STATE_SWITCHER);
break;
}
}
static void
tablet_shell_lock(struct wl_listener *listener, void *data)
{
struct tablet_shell *shell =
container_of(listener, struct tablet_shell, lock_listener);
if (shell->state == STATE_LOCKED)
return;
if (shell->state == STATE_SWITCHER)
tablet_shell_send_hide_switcher(shell->resource);
tablet_shell_send_show_lockscreen(shell->resource);
tablet_shell_set_state(shell, STATE_LOCKED);
}
static void
tablet_shell_unlock(struct wl_listener *listener, void *data)
{
struct tablet_shell *shell =
container_of(listener, struct tablet_shell, unlock_listener);
tablet_shell_set_state(shell, STATE_HOME);
}
static void
go_home(struct tablet_shell *shell, struct weston_seat *seat)
{
if (shell->state == STATE_SWITCHER)
tablet_shell_send_hide_switcher(shell->resource);
weston_surface_activate(shell->home_surface, seat);
tablet_shell_set_state(shell, STATE_HOME);
}
static int
long_press_handler(void *data)
{
struct tablet_shell *shell = data;
shell->long_press_active = 0;
toggle_switcher(shell);
return 1;
}
static void
menu_key_binding(struct weston_seat *seat, uint32_t time, uint32_t key, void *data)
{
struct tablet_shell *shell = data;
if (shell->state == STATE_LOCKED)
return;
toggle_switcher(shell);
}
static void
home_key_binding(struct weston_seat *seat, uint32_t time, uint32_t key, void *data)
{
struct tablet_shell *shell = data;
if (shell->state == STATE_LOCKED)
return;
if (1) {
wl_event_source_timer_update(shell->long_press_source, 500);
shell->long_press_active = 1;
} else if (shell->long_press_active) {
/* This code has never been run ... */
wl_event_source_timer_update(shell->long_press_source, 0);
shell->long_press_active = 0;
switch (shell->state) {
case STATE_HOME:
case STATE_SWITCHER:
toggle_switcher(shell);
break;
default:
go_home(shell, (struct weston_seat *) seat);
break;
}
}
}
static void
destroy_tablet_shell(struct wl_resource *resource)
{
}
static void
bind_tablet_shell(struct wl_client *client, void *data, uint32_t version,
uint32_t id)
{
struct tablet_shell *shell = data;
if (shell->client != client)
/* Throw an error or just let the client fail when it
* tries to access the object?. */
return;
shell->resource =
wl_resource_create(client, &tablet_shell_interface, 1, id);
wl_resource_set_implementation(shell->resource,
&tablet_shell_implementation,
shell, destroy_tablet_shell);
}
static void
tablet_shell_destroy(struct wl_listener *listener, void *data)
{
struct tablet_shell *shell =
container_of(listener, struct tablet_shell, destroy_listener);
if (shell->home_surface)
shell->home_surface->configure = NULL;
if (shell->lockscreen_surface)
shell->lockscreen_surface->configure = NULL;
wl_event_source_remove(shell->long_press_source);
free(shell);
}
WL_EXPORT int
module_init(struct weston_compositor *compositor,
int *argc, char *argv[])
{
struct tablet_shell *shell;
struct wl_event_loop *loop;
shell = zalloc(sizeof *shell);
if (shell == NULL)
return -1;
shell->compositor = compositor;
shell->destroy_listener.notify = tablet_shell_destroy;
wl_signal_add(&compositor->destroy_signal, &shell->destroy_listener);
shell->lock_listener.notify = tablet_shell_lock;
wl_signal_add(&compositor->idle_signal, &shell->lock_listener);
shell->unlock_listener.notify = tablet_shell_unlock;
wl_signal_add(&compositor->wake_signal, &shell->unlock_listener);
/* FIXME: This will make the object available to all clients. */
wl_global_create(compositor->wl_display, &tablet_shell_interface, 1,
shell, bind_tablet_shell);
loop = wl_display_get_event_loop(compositor->wl_display);
shell->long_press_source =
wl_event_loop_add_timer(loop, long_press_handler, shell);
weston_compositor_add_key_binding(compositor, KEY_LEFTMETA, 0,
home_key_binding, shell);
weston_compositor_add_key_binding(compositor, KEY_RIGHTMETA, 0,
home_key_binding, shell);
weston_compositor_add_key_binding(compositor, KEY_LEFTMETA,
MODIFIER_SUPER, home_key_binding,
shell);
weston_compositor_add_key_binding(compositor, KEY_RIGHTMETA,
MODIFIER_SUPER, home_key_binding,
shell);
weston_compositor_add_key_binding(compositor, KEY_COMPOSE, 0,
menu_key_binding, shell);
weston_layer_init(&shell->homescreen_layer,
&compositor->cursor_layer.link);
weston_layer_init(&shell->application_layer,
&compositor->cursor_layer.link);
weston_layer_init(&shell->lockscreen_layer,
&compositor->cursor_layer.link);
launch_ux_daemon(shell);
tablet_shell_set_state(shell, STATE_STARTING);
return 0;
}