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swaynag: Add multi-seat support 

This also adds cleanup for all seat resources
This commit is contained in:
Andri Yngvason 2020-01-03 14:37:30 +00:00 committed by Simon Ser
parent b758b43085
commit 4c29a53386
2 changed files with 98 additions and 35 deletions
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10
include/swaynag/swaynag.h
View File

@ -27,6 +27,14 @@ struct swaynag_pointer {
int y;
};
struct swaynag_seat {
struct wl_seat *wl_seat;
uint32_t wl_name;
struct swaynag *swaynag;
struct swaynag_pointer pointer;
struct wl_list link;
};
struct swaynag_output {
char *name;
struct wl_output *wl_output;
@ -72,9 +80,9 @@ struct swaynag {
struct wl_compositor *compositor;
struct wl_seat *seat;
struct wl_shm *shm;
struct swaynag_pointer pointer;
struct zxdg_output_manager_v1 *xdg_output_manager;
struct wl_list outputs; // swaynag_output::link
struct wl_list seats; // swaynag_seat::link
struct swaynag_output *output;
struct zwlr_layer_shell_v1 *layer_shell;
struct zwlr_layer_surface_v1 *layer_surface;

123
swaynag/swaynag.c
View File

@ -124,10 +124,11 @@ static struct wl_surface_listener surface_listener = {
.leave = nop,
};
static void update_cursor(struct swaynag *swaynag) {
struct swaynag_pointer *pointer = &swaynag->pointer;
if (swaynag->pointer.cursor_theme) {
wl_cursor_theme_destroy(swaynag->pointer.cursor_theme);
static void update_cursor(struct swaynag_seat *seat) {
struct swaynag_pointer *pointer = &seat->pointer;
struct swaynag *swaynag = seat->swaynag;
if (pointer->cursor_theme) {
wl_cursor_theme_destroy(pointer->cursor_theme);
}
const char *cursor_theme = getenv("XCURSOR_THEME");
unsigned cursor_size = 24;
@ -158,32 +159,42 @@ static void update_cursor(struct swaynag *swaynag) {
wl_surface_commit(pointer->cursor_surface);
}
void update_all_cursors(struct swaynag *swaynag) {
struct swaynag_seat *seat;
wl_list_for_each(seat, &swaynag->seats, link) {
if (seat->pointer.pointer) {
update_cursor(seat);
}
}
}
static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, struct wl_surface *surface,
wl_fixed_t surface_x, wl_fixed_t surface_y) {
struct swaynag *swaynag = data;
struct swaynag_pointer *pointer = &swaynag->pointer;
struct swaynag_seat *seat = data;
struct swaynag_pointer *pointer = &seat->pointer;
pointer->serial = serial;
update_cursor(swaynag);
update_cursor(seat);
}
static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer,
uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
struct swaynag *swaynag = data;
swaynag->pointer.x = wl_fixed_to_int(surface_x);
swaynag->pointer.y = wl_fixed_to_int(surface_y);
struct swaynag_seat *seat = data;
seat->pointer.x = wl_fixed_to_int(surface_x);
seat->pointer.y = wl_fixed_to_int(surface_y);
}
static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, uint32_t time, uint32_t button, uint32_t state) {
struct swaynag *swaynag = data;
struct swaynag_seat *seat = data;
struct swaynag *swaynag = seat->swaynag;
if (state != WL_POINTER_BUTTON_STATE_PRESSED) {
return;
}
double x = swaynag->pointer.x * swaynag->scale;
double y = swaynag->pointer.y * swaynag->scale;
double x = seat->pointer.x * swaynag->scale;
double y = seat->pointer.y * swaynag->scale;
for (int i = 0; i < swaynag->buttons->length; i++) {
struct swaynag_button *nagbutton = swaynag->buttons->items[i];
if (x >= nagbutton->x
@ -225,12 +236,13 @@ static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
static void wl_pointer_axis(void *data, struct wl_pointer *wl_pointer,
uint32_t time, uint32_t axis, wl_fixed_t value) {
struct swaynag *swaynag = data;
struct swaynag_seat *seat = data;
struct swaynag *swaynag = seat->swaynag;
if (!swaynag->details.visible
|| swaynag->pointer.x < swaynag->details.x
|| swaynag->pointer.y < swaynag->details.y
|| swaynag->pointer.x >= swaynag->details.x + swaynag->details.width
|| swaynag->pointer.y >= swaynag->details.y + swaynag->details.height
|| seat->pointer.x < swaynag->details.x
|| seat->pointer.y < swaynag->details.y
|| seat->pointer.x >= swaynag->details.x + swaynag->details.width
|| seat->pointer.y >= swaynag->details.y + swaynag->details.height
|| swaynag->details.total_lines == swaynag->details.visible_lines) {
return;
}
@ -260,15 +272,15 @@ static struct wl_pointer_listener pointer_listener = {
static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
enum wl_seat_capability caps) {
struct swaynag *swaynag = data;
struct swaynag_seat *seat = data;
bool cap_pointer = caps & WL_SEAT_CAPABILITY_POINTER;
if (cap_pointer && !swaynag->pointer.pointer) {
swaynag->pointer.pointer = wl_seat_get_pointer(wl_seat);
wl_pointer_add_listener(swaynag->pointer.pointer, &pointer_listener,
swaynag);
} else if (!cap_pointer && swaynag->pointer.pointer) {
wl_pointer_destroy(swaynag->pointer.pointer);
swaynag->pointer.pointer = NULL;
if (cap_pointer && !seat->pointer.pointer) {
seat->pointer.pointer = wl_seat_get_pointer(wl_seat);
wl_pointer_add_listener(seat->pointer.pointer,
&pointer_listener, seat);
} else if (!cap_pointer && seat->pointer.pointer) {
wl_pointer_destroy(seat->pointer.pointer);
seat->pointer.pointer = NULL;
}
}
@ -283,7 +295,7 @@ static void output_scale(void *data, struct wl_output *output,
swaynag_output->scale = factor;
if (swaynag_output->swaynag->output == swaynag_output) {
swaynag_output->swaynag->scale = swaynag_output->scale;
update_cursor(swaynag_output->swaynag);
update_all_cursors(swaynag_output->swaynag);
render_frame(swaynag_output->swaynag);
}
}
@ -325,8 +337,20 @@ static void handle_global(void *data, struct wl_registry *registry,
swaynag->compositor = wl_registry_bind(registry, name,
&wl_compositor_interface, 4);
} else if (strcmp(interface, wl_seat_interface.name) == 0) {
swaynag->seat = wl_registry_bind(registry, name, &wl_seat_interface, 1);
wl_seat_add_listener(swaynag->seat, &seat_listener, swaynag);
struct swaynag_seat *seat =
calloc(1, sizeof(struct swaynag_seat));
if (!seat) {
return;
}
seat->swaynag = swaynag;
seat->wl_name = name;
seat->wl_seat =
wl_registry_bind(registry, name, &wl_seat_interface, 1);
wl_seat_add_listener(seat->wl_seat, &seat_listener, seat);
wl_list_insert(&swaynag->seats, &seat->link);
} else if (strcmp(interface, wl_shm_interface.name) == 0) {
swaynag->shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
} else if (strcmp(interface, wl_output_interface.name) == 0) {
@ -360,12 +384,31 @@ static void handle_global(void *data, struct wl_registry *registry,
}
}
void swaynag_seat_destroy(struct swaynag_seat *seat) {
if (seat->pointer.cursor_theme) {
wl_cursor_theme_destroy(seat->pointer.cursor_theme);
}
if (seat->pointer.pointer) {
wl_pointer_destroy(seat->pointer.pointer);
}
wl_seat_destroy(seat->wl_seat);
wl_list_remove(&seat->link);
free(seat);
}
static void handle_global_remove(void *data, struct wl_registry *registry,
uint32_t name) {
struct swaynag *swaynag = data;
if (swaynag->output->wl_name == name) {
swaynag->run_display = false;
}
struct swaynag_seat *seat, *tmpseat;
wl_list_for_each_safe(seat, tmpseat, &swaynag->seats, link) {
if (seat->wl_name == name) {
swaynag_seat_destroy(seat);
}
}
}
static const struct wl_registry_listener registry_listener = {
@ -373,6 +416,18 @@ static const struct wl_registry_listener registry_listener = {
.global_remove = handle_global_remove,
};
void swaynag_setup_cursors(struct swaynag *swaynag) {
struct swaynag_seat *seat;
wl_list_for_each(seat, &swaynag->seats, link) {
struct swaynag_pointer *p = &seat->pointer;
p->cursor_surface =
wl_compositor_create_surface(swaynag->compositor);
assert(p->cursor_surface);
}
}
void swaynag_setup(struct swaynag *swaynag) {
swaynag->display = wl_display_connect(NULL);
if (!swaynag->display) {
@ -383,6 +438,7 @@ void swaynag_setup(struct swaynag *swaynag) {
swaynag->scale = 1;
wl_list_init(&swaynag->outputs);
wl_list_init(&swaynag->seats);
struct wl_registry *registry = wl_display_get_registry(swaynag->display);
wl_registry_add_listener(registry, &registry_listener, swaynag);
@ -399,9 +455,7 @@ void swaynag_setup(struct swaynag *swaynag) {
exit(EXIT_FAILURE);
}
struct swaynag_pointer *pointer = &swaynag->pointer;
pointer->cursor_surface = wl_compositor_create_surface(swaynag->compositor);
assert(pointer->cursor_surface);
swaynag_setup_cursors(swaynag);
swaynag->surface = wl_compositor_create_surface(swaynag->compositor);
assert(swaynag->surface);
@ -460,8 +514,9 @@ void swaynag_destroy(struct swaynag *swaynag) {
wl_surface_destroy(swaynag->surface);
}
if (swaynag->pointer.cursor_theme) {
wl_cursor_theme_destroy(swaynag->pointer.cursor_theme);
struct swaynag_seat *seat, *tmpseat;
wl_list_for_each_safe(seat, tmpseat, &swaynag->seats, link) {
swaynag_seat_destroy(seat);
}
if (&swaynag->buffers[0]) {