implement ext-idle-notify-v1

This commit is contained in:
Leon Henrik Plickat
2024-01-06 21:25:26 +01:00
parent 25fcd37930
commit 2ccbfb2283
16 changed files with 682 additions and 187 deletions

View File

@@ -19,168 +19,80 @@
#endif
#include "river-layout-v3.h"
#include "ext-idle-notify-v1.h"
#include "types.h"
#include "call-layout-demand-handler.h"
#include "call-user-command-handler.h"
#include "load-script.h"
#include "riverguile.h"
#include "output.h"
#include "seat.h"
bool loop = true;
int ret = EXIT_SUCCESS;
struct Context context = {
/* Handlers are initially NULL instead of SCM_EOL because I am not sure whether
* scm_null_p() is safe to use outside of a guile context and if yes, whether
* that is intended or will disappear in the future. Special care must be taken
* to never call any scm_* function on these while they are NULL.
*/
.layout_demand_handler = NULL,
.user_command_handler = NULL,
jmp_buf skip_main_loop;
struct wl_display *wl_display = NULL;
struct wl_registry *wl_registry = NULL;
struct wl_callback *sync_callback = NULL;
struct river_layout_manager_v3 *layout_manager = NULL;
struct wl_list outputs;
/* Handlers are initially NULL instead of SCM_EOL because I am not sure whether
* scm_null_p() is safe to use outside of a guile context and if yes, whether
* that is intended or will disappear in the future. Special care must be taken
* to never call any scm_* function on these while they are NULL.
*/
SCM layout_demand_handler = NULL;
SCM user_command_handler = NULL;
static void layout_handle_layout_demand (void *data, struct river_layout_v3 *river_layout_v3,
uint32_t view_count, uint32_t width, uint32_t height, uint32_t tags, uint32_t serial)
{
struct Output *output = (struct Output *)data;
struct Call_layout_demand_handler_parameters params = {
.view_count = view_count,
.width = width,
.height = height,
.serial = serial,
.tags = tags,
.output = output,
};
void *res = scm_with_guile(call_layout_demand_handler, (void *)&params);
if ( res != NULL )
{
fputs(res, stderr);
fputs("INFO: This error is not fatal.\n", stderr);
return;
}
// TODO allow setting layout name from user installed layout demand handler
river_layout_v3_commit(output->layout, "(🐦)", serial);
}
static void layout_handle_user_command (void *data,
struct river_layout_v3 *river_layout, const char *command)
{
if ( user_command_handler == NULL )
return;
struct Output *output = (struct Output *)data;
struct Call_user_command_parameters params = {
.cmd = command,
.output = output,
};
void *res = scm_with_guile(call_user_command_handler, (void *)&params);
if ( res != NULL )
{
fputs(res, stderr);
fputs("INFO: This error is not fatal.\n", stderr);
}
}
static void layout_handle_user_command_tags (void *data,
struct river_layout_v3 *river_layout, uint32_t tags)
{
struct Output *output = (struct Output *)data;
output->user_command_tags = tags;
}
static void layout_handle_namespace_in_use (void *data, struct river_layout_v3 *river_layout_v3)
{
fputs("ERROR: Namespace already in use.\n", stderr);
ret = EXIT_FAILURE;
loop = false;
}
static const struct river_layout_v3_listener layout_listener = {
.namespace_in_use = layout_handle_namespace_in_use,
.layout_demand = layout_handle_layout_demand,
.user_command = layout_handle_user_command,
.user_command_tags = layout_handle_user_command_tags,
.loop = true,
.ret = EXIT_SUCCESS,
};
static void output_configure (struct Output *output)
{
if ( layout_manager == NULL )
return;
if (output->configured)
return;
output->layout = river_layout_manager_v3_get_layout(
layout_manager, output->wl_output, "riverguile"
);
river_layout_v3_add_listener(output->layout, &layout_listener, output);
output->configured = true;
}
static struct Output *output_create (struct wl_output *wl_output)
{
struct Output *output = calloc(1, sizeof(struct Output));
if ( output == NULL )
{
fprintf(stderr, "ERROR: calloc: %s\n", strerror(errno));
return NULL;
}
output->wl_output = wl_output;
output_configure(output);
return output;
}
static void output_destroy (struct Output *output)
{
if ( output->layout != NULL )
river_layout_v3_destroy(output->layout);
assert(output->wl_output != NULL);
wl_output_destroy(output->wl_output);
free(output);
}
jmp_buf skip_main_loop;
static void registry_handle_global (void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version)
{
if ( strcmp(interface, river_layout_manager_v3_interface.name) == 0 )
{
layout_manager = wl_registry_bind(
context.layout_manager = wl_registry_bind(
registry, name, &river_layout_manager_v3_interface, 2
);
}
else if ( strcmp(interface, ext_idle_notifier_v1_interface.name) == 0 )
{
context.idle_notifier = wl_registry_bind(
registry, name, &ext_idle_notifier_v1_interface, 1
);
}
else if ( strcmp(interface, wl_output_interface.name) == 0 )
{
struct wl_output *wl_output = wl_registry_bind(
registry, name, &wl_output_interface, 1
);
struct Output *output = output_create(wl_output);
struct Output *output = output_create(wl_output, name);
if ( output == NULL )
{
wl_output_destroy(wl_output);
ret = EXIT_FAILURE;
loop = false;
context.ret = EXIT_FAILURE;
context.loop = false;
return;
}
wl_list_insert(&outputs, &output->link);
wl_list_insert(&context.outputs, &output->link);
}
else if ( strcmp(interface, wl_seat_interface.name) == 0 )
{
struct wl_seat *wl_seat = wl_registry_bind(
registry, name, &wl_seat_interface, 1
);
struct Seat *seat = seat_create(wl_seat, name);
if ( seat == NULL )
{
wl_seat_destroy(wl_seat);
context.ret = EXIT_FAILURE;
context.loop = false;
return;
}
wl_list_insert(&context.seats, &seat->link);
}
}
static void registry_handle_global_remove (void *data, struct wl_registry *registry,
uint32_t name)
{
struct Output *output, *tmp;
wl_list_for_each_safe(output, tmp, &outputs, link)
struct Output *output, *tmp_o;
wl_list_for_each_safe(output, tmp_o, &context.outputs, link)
{
if ( output->name != name )
continue;
@@ -188,6 +100,16 @@ static void registry_handle_global_remove (void *data, struct wl_registry *regis
output_destroy(output);
return;
}
struct Seat *seat, *tmp_s;
wl_list_for_each_safe(seat, tmp_s, &context.seats, link)
{
if ( seat->name != name )
continue;
wl_list_remove(&seat->link);
seat_destroy(seat);
return;
}
}
static const struct wl_registry_listener registry_listener = {
@@ -198,22 +120,41 @@ static const struct wl_registry_listener registry_listener = {
static void sync_handle_done (void *data, struct wl_callback *wl_callback, uint32_t other_data)
{
wl_callback_destroy(wl_callback);
sync_callback = NULL;
context.sync_callback = NULL;
if ( layout_manager == NULL )
if ( context.layout_manager == NULL )
{
fputs("ERROR: Wayland server does not support river-layout-v3.\n", stderr);
ret = EXIT_FAILURE;
loop = false;
context.ret = EXIT_FAILURE;
context.loop = false;
return;
}
if ( context.idle_notifier == NULL )
{
if ( wl_list_length(&context.unconfigured_idles) > 0 )
{
fputs("ERROR: Wayland server does not support ext-idle-notify-v1.\n", stderr);
fputs("INFO: This error is not fatal.\n", stderr);
}
}
else
{
struct Seat *seat;
wl_list_for_each(seat, &context.seats, link)
break;
struct Idle *idle, *tmp_i;
wl_list_for_each_safe(idle, tmp_i, &context.unconfigured_idles, link)
idle_configure(idle, seat);
}
/* If outputs were registered before the river_layout_manager is
* available, they won't have a river_layout, so we need to create
* those here.
*/
struct Output *output;
wl_list_for_each(output, &outputs, link)
wl_list_for_each(output, &context.outputs, link)
output_configure(output);
}
@@ -224,7 +165,7 @@ static const struct wl_callback_listener sync_callback_listener = {
static void handle_interrupt (int signum)
{
fputs("Killed 💀\n", stderr);
loop = false;
context.loop = false;
longjmp(skip_main_loop, 1);
}
@@ -353,13 +294,16 @@ int main(int argc, char *argv[])
signal(SIGSEGV, handle_error);
signal(SIGFPE, handle_error);
signal(SIGINT, handle_interrupt);
wl_list_init(&outputs);
wl_list_init(&context.outputs);
wl_list_init(&context.seats);
wl_list_init(&context.unconfigured_idles);
// TODO use argv[1] if present
char *path = get_script_path();
if ( path == NULL )
{
ret = EXIT_FAILURE;
context.ret = EXIT_FAILURE;
goto early_exit;
}
@@ -367,8 +311,8 @@ int main(int argc, char *argv[])
if ( res != NULL )
{
fputs((char *)res, stderr);
ret = EXIT_FAILURE;
loop = false;
context.ret = EXIT_FAILURE;
context.loop = false;
goto early_exit;
}
@@ -381,44 +325,62 @@ int main(int argc, char *argv[])
if ( display_name == NULL )
{
fputs("ERROR: WAYLAND_DISPLAY is not set.\n", stderr);
ret = EXIT_FAILURE;
context.ret = EXIT_FAILURE;
goto early_exit;
}
wl_display = wl_display_connect(display_name);
if ( wl_display == NULL )
context.wl_display = wl_display_connect(display_name);
if ( context.wl_display == NULL )
{
fputs("ERROR: Can not connect to wayland display.\n", stderr);
ret = EXIT_FAILURE;
context.ret = EXIT_FAILURE;
goto early_exit;
}
wl_registry = wl_display_get_registry(wl_display);
wl_registry_add_listener(wl_registry, &registry_listener, NULL);
context.wl_registry = wl_display_get_registry(context.wl_display);
wl_registry_add_listener(context.wl_registry, &registry_listener, NULL);
sync_callback = wl_display_sync(wl_display);
wl_callback_add_listener(sync_callback, &sync_callback_listener, NULL);
context.sync_callback = wl_display_sync(context.wl_display);
wl_callback_add_listener(context.sync_callback, &sync_callback_listener, NULL);
if ( setjmp(skip_main_loop) == 0 )
while ( loop && wl_display_dispatch(wl_display) > 0 );
while ( context.loop && wl_display_dispatch(context.wl_display) > 0 );
struct Output *output, *tmp;
wl_list_for_each_safe(output, tmp, &outputs, link)
struct Idle *idle, *tmp_i;
wl_list_for_each_safe(idle, tmp_i, &context.unconfigured_idles, link)
{
wl_list_remove(&idle->link);
idle_destroy(idle);
}
struct Output *output, *tmp_o;
wl_list_for_each_safe(output, tmp_o, &context.outputs, link)
{
wl_list_remove(&output->link);
output_destroy(output);
}
if ( sync_callback != NULL )
wl_callback_destroy(sync_callback);
if ( wl_registry != NULL )
wl_registry_destroy(wl_registry);
wl_display_disconnect(wl_display);
struct Seat *seat, *tmp_s;
wl_list_for_each_safe(seat, tmp_s, &context.seats, link)
{
wl_list_remove(&seat->link);
seat_destroy(seat);
}
if ( context.idle_notifier != NULL )
ext_idle_notifier_v1_destroy(context.idle_notifier);
if ( context.layout_manager != NULL )
river_layout_manager_v3_destroy(context.layout_manager);
if ( context.sync_callback != NULL )
wl_callback_destroy(context.sync_callback);
if ( context.wl_registry != NULL )
wl_registry_destroy(context.wl_registry);
wl_display_disconnect(context.wl_display);
early_exit:
if ( path != NULL )
free(path);
return ret;
return context.ret;
}