mirror of
https://github.com/NickHu/sway
synced 2024-12-28 22:23:30 +01:00
cab1352801
This starts up the event loop and wayland display and shims out the basic top level rendering concepts. Also includes some changes to incorporate pango into the 1.x codebase properly.
146 lines
4.3 KiB
C
146 lines
4.3 KiB
C
#define _XOPEN_SOURCE 500
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#include <assert.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <poll.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <wayland-client.h>
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#include <wlr/util/log.h>
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#include "swaybar/render.h"
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#include "swaybar/config.h"
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#include "swaybar/event_loop.h"
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#include "swaybar/bar.h"
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#include "list.h"
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#include "pango.h"
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#include "pool-buffer.h"
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#include "wlr-layer-shell-unstable-v1-client-protocol.h"
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static void bar_init(struct swaybar *bar) {
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bar->config = init_config();
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wl_list_init(&bar->outputs);
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}
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struct swaybar_output *new_output(const char *name) {
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struct swaybar_output *output = malloc(sizeof(struct swaybar_output));
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output->name = strdup(name);
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return output;
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}
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static void layer_surface_configure(void *data,
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struct zwlr_layer_surface_v1 *surface,
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uint32_t serial, uint32_t width, uint32_t height) {
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struct swaybar_output *output = data;
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output->width = width;
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output->height = height;
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zwlr_layer_surface_v1_ack_configure(surface, serial);
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render_frame(output->bar, output);
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}
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static void layer_surface_closed(void *_output,
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struct zwlr_layer_surface_v1 *surface) {
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// TODO: Deal with hotplugging
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struct swaybar_output *output = output;
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zwlr_layer_surface_v1_destroy(output->layer_surface);
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wl_surface_destroy(output->surface);
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}
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struct zwlr_layer_surface_v1_listener layer_surface_listener = {
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.configure = layer_surface_configure,
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.closed = layer_surface_closed,
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};
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static void handle_global(void *data, struct wl_registry *registry,
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uint32_t name, const char *interface, uint32_t version) {
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struct swaybar *bar = data;
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if (strcmp(interface, wl_compositor_interface.name) == 0) {
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bar->compositor = wl_registry_bind(registry, name,
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&wl_compositor_interface, 1);
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} else if (strcmp(interface, wl_shm_interface.name) == 0) {
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bar->shm = wl_registry_bind(registry, name,
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&wl_shm_interface, 1);
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} else if (strcmp(interface, wl_output_interface.name) == 0) {
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static int idx = 0;
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struct swaybar_output *output =
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calloc(1, sizeof(struct swaybar_output));
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output->bar = bar;
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output->output = wl_registry_bind(registry, name,
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&wl_output_interface, 1);
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output->idx = idx++;
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wl_list_insert(&bar->outputs, &output->link);
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} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
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bar->layer_shell = wl_registry_bind(
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registry, name, &zwlr_layer_shell_v1_interface, 1);
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}
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}
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static void handle_global_remove(void *data, struct wl_registry *registry,
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uint32_t name) {
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// who cares
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}
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static const struct wl_registry_listener registry_listener = {
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.global = handle_global,
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.global_remove = handle_global_remove,
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};
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void bar_setup(struct swaybar *bar,
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const char *socket_path, const char *bar_id) {
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bar_init(bar);
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init_event_loop();
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assert(bar->display = wl_display_connect(NULL));
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struct wl_registry *registry = wl_display_get_registry(bar->display);
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wl_registry_add_listener(registry, ®istry_listener, bar);
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wl_display_roundtrip(bar->display);
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assert(bar->compositor && bar->layer_shell && bar->shm);
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// TODO: we might not necessarily be meant to do all of the outputs
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struct swaybar_output *output;
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wl_list_for_each(output, &bar->outputs, link) {
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assert(output->surface = wl_compositor_create_surface(bar->compositor));
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output->layer_surface = zwlr_layer_shell_v1_get_layer_surface(
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bar->layer_shell, output->surface, output->output,
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ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM, "panel");
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assert(output->layer_surface);
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zwlr_layer_surface_v1_add_listener(output->layer_surface,
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&layer_surface_listener, output);
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zwlr_layer_surface_v1_set_anchor(output->layer_surface,
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bar->config->position);
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render_frame(bar, output);
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}
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}
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static void display_in(int fd, short mask, void *_bar) {
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struct swaybar *bar = (struct swaybar *)_bar;
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if (wl_display_dispatch(bar->display) == -1) {
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wlr_log(L_ERROR, "failed to dispatch wl: %d", errno);
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}
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}
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void bar_run(struct swaybar *bar) {
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add_event(wl_display_get_fd(bar->display), POLLIN, display_in, bar);
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while (1) {
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event_loop_poll();
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}
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}
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static void free_outputs(struct wl_list *list) {
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struct swaybar_output *output, *tmp;
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wl_list_for_each_safe(output, tmp, list, link) {
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wl_list_remove(&output->link);
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free(output->name);
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free(output);
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}
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}
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void bar_teardown(struct swaybar *bar) {
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free_outputs(&bar->outputs);
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if (bar->config) {
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free_config(bar->config);
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}
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}
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