swayfx/wayland/registry.c

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3.8 KiB
C
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#include <wayland-client.h>
#include <stdlib.h>
#include <string.h>
#include "wayland-desktop-shell-client-protocol.h"
#include "client/registry.h"
#include "log.h"
static void display_handle_mode(void *data, struct wl_output *wl_output,
uint32_t flags, int32_t width, int32_t height, int32_t refresh) {
struct output_state *state = data;
if (flags & WL_OUTPUT_MODE_CURRENT) {
state->flags = flags;
state->width = width;
state->height = height;
}
}
static void display_handle_geometry(void *data, struct wl_output *wl_output,
int32_t x, int32_t y, int32_t physical_width, int32_t physical_height,
int32_t subpixel, const char *make, const char *model, int32_t transform) {
// this space intentionally left blank
}
static void display_handle_done(void *data, struct wl_output *wl_output) {
// this space intentionally left blank
}
static void display_handle_scale(void *data, struct wl_output *wl_output, int32_t factor) {
// this space intentionally left blank
}
static const struct wl_output_listener output_listener = {
.mode = display_handle_mode,
.geometry = display_handle_geometry,
.done = display_handle_done,
.scale = display_handle_scale
};
static void registry_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version) {
struct registry *reg = data;
if (strcmp(interface, wl_compositor_interface.name) == 0) {
reg->compositor = wl_registry_bind(registry, name, &wl_compositor_interface, version);
} else if (strcmp(interface, wl_shm_interface.name) == 0) {
reg->shm = wl_registry_bind(registry, name, &wl_shm_interface, version);
} else if (strcmp(interface, wl_shell_interface.name) == 0) {
reg->shell = wl_registry_bind(registry, name, &wl_shell_interface, version);
} else if (strcmp(interface, wl_seat_interface.name) == 0) {
reg->seat = wl_registry_bind(registry, name, &wl_seat_interface, version);
reg->pointer = wl_seat_get_pointer(reg->seat);
} else if (strcmp(interface, wl_output_interface.name) == 0) {
struct wl_output *output = wl_registry_bind(registry, name, &wl_output_interface, version);
struct output_state *ostate = malloc(sizeof(struct output_state));
ostate->output = output;
wl_output_add_listener(output, &output_listener, ostate);
list_add(reg->outputs, ostate);
} else if (strcmp(interface, desktop_shell_interface.name) == 0) {
reg->desktop_shell = wl_registry_bind(registry, name, &desktop_shell_interface, version);
}
}
static void registry_global_remove(void *data, struct wl_registry *registry, uint32_t name) {
// this space intentionally left blank
}
static const struct wl_registry_listener registry_listener = {
.global = registry_global,
.global_remove = registry_global_remove
};
struct registry *registry_poll(void) {
struct registry *registry = malloc(sizeof(struct registry));
memset(registry, 0, sizeof(struct registry));
registry->outputs = create_list();
registry->display = wl_display_connect(NULL);
if (!registry->display) {
sway_log(L_ERROR, "Error opening display");
registry_teardown(registry);
return NULL;
}
struct wl_registry *reg = wl_display_get_registry(registry->display);
wl_registry_add_listener(reg, &registry_listener, registry);
wl_display_dispatch(registry->display);
wl_display_roundtrip(registry->display);
wl_registry_destroy(reg);
return registry;
}
void registry_teardown(struct registry *registry) {
if (registry->pointer) {
wl_pointer_destroy(registry->pointer);
}
if (registry->seat) {
wl_seat_destroy(registry->seat);
}
if (registry->shell) {
wl_shell_destroy(registry->shell);
}
if (registry->shm) {
wl_shm_destroy(registry->shm);
}
if (registry->compositor) {
wl_compositor_destroy(registry->compositor);
}
if (registry->display) {
wl_display_disconnect(registry->display);
}
if (registry->outputs) {
// TODO: Free the outputs themselves
list_free(registry->outputs);
}
}