Mikkel Oscar Lyderik
9 years ago
parent
c6fc0033e1
commit
aa6ad09183
@ -0,0 +1,185 @@
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include "ipc-client.h"
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#include "list.h"
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#include "log.h"
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#include "ipc.h"
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#include "render.h"
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#include "config.h"
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#include "status_line.h"
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#include "bar.h"
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static void bar_init(struct bar *bar) {
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bar->config = init_config();
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bar->status = init_status_line();
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bar->output = malloc(sizeof(struct output));
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bar->output->window = NULL;
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bar->output->registry = NULL;
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bar->output->workspaces = create_list();
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bar->output->name = NULL;
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}
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static void spawn_status_cmd_proc(struct bar *bar) {
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if (bar->config->status_command) {
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int pipefd[2];
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pipe(pipefd);
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bar->status_command_pid = fork();
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if (bar->status_command_pid == 0) {
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close(pipefd[0]);
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dup2(pipefd[1], STDOUT_FILENO);
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close(pipefd[1]);
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char *const cmd[] = {
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"sh",
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"-c",
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bar->config->status_command,
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NULL,
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};
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execvp(cmd[0], cmd);
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return;
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}
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close(pipefd[1]);
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bar->status_read_fd = pipefd[0];
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fcntl(bar->status_read_fd, F_SETFL, O_NONBLOCK);
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}
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}
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void bar_setup(struct bar *bar, const char *socket_path, const char *bar_id, int desired_output) {
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/* initialize bar with default values */
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bar_init(bar);
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bar->output->registry = registry_poll();
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if (!bar->output->registry->desktop_shell) {
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sway_abort("swaybar requires the compositor to support the desktop-shell extension.");
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}
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/* connect to sway ipc */
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bar->ipc_socketfd = ipc_open_socket(socket_path);
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bar->ipc_event_socketfd = ipc_open_socket(socket_path);
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ipc_bar_init(bar, desired_output, bar_id);
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struct output_state *output = bar->output->registry->outputs->items[desired_output];
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bar->output->window = window_setup(bar->output->registry, output->width, 30, false);
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if (!bar->output->window) {
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sway_abort("Failed to create window.");
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}
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desktop_shell_set_panel(bar->output->registry->desktop_shell, output->output, bar->output->window->surface);
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desktop_shell_set_panel_position(bar->output->registry->desktop_shell, bar->config->position);
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/* set font */
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bar->output->window->font = bar->config->font;
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/* set window height */
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set_window_height(bar->output->window, bar->config->height);
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/* spawn status command */
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spawn_status_cmd_proc(bar);
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}
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void bar_run(struct bar *bar) {
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fd_set readfds;
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int activity;
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bool dirty = true;
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while (1) {
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if (dirty) {
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struct output *output = bar->output;
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if (window_prerender(output->window) && output->window->cairo) {
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render(output, bar->config, bar->status);
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window_render(output->window);
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if (wl_display_dispatch(output->registry->display) == -1) {
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break;
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}
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}
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}
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dirty = false;
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FD_ZERO(&readfds);
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FD_SET(bar->ipc_event_socketfd, &readfds);
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FD_SET(bar->status_read_fd, &readfds);
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activity = select(FD_SETSIZE, &readfds, NULL, NULL, NULL);
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if (activity < 0) {
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sway_log(L_ERROR, "polling failed: %d", errno);
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}
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if (FD_ISSET(bar->ipc_event_socketfd, &readfds)) {
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sway_log(L_DEBUG, "Got IPC event.");
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dirty = handle_ipc_event(bar);
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}
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if (bar->config->status_command && FD_ISSET(bar->status_read_fd, &readfds)) {
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sway_log(L_DEBUG, "Got update from status command.");
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dirty = handle_status_line(bar);
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}
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}
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}
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void free_workspaces(list_t *workspaces) {
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int i;
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for (i = 0; i < workspaces->length; ++i) {
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struct workspace *ws = workspaces->items[i];
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free(ws->name);
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free(ws);
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}
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list_free(workspaces);
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}
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static void free_output(struct output *output) {
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window_teardown(output->window);
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if (output->registry) {
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registry_teardown(output->registry);
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}
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free(output->name);
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if (output->workspaces) {
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free_workspaces(output->workspaces);
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}
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free(output);
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}
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static void terminate_status_command(pid_t pid) {
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if (pid) {
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// terminate status_command process
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int ret = kill(pid, SIGTERM);
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if (ret != 0) {
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sway_log(L_ERROR, "Unable to terminate status_command [pid: %d]", pid);
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} else {
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int status;
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waitpid(pid, &status, 0);
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}
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}
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}
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void bar_teardown(struct bar *bar) {
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free_config(bar->config);
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free_output(bar->output);
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free_status_line(bar->status);
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/* close sockets/pipes */
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if (bar->status_read_fd) {
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close(bar->status_read_fd);
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}
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if (bar->ipc_socketfd) {
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close(bar->ipc_socketfd);
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}
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if (bar->ipc_event_socketfd) {
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close(bar->ipc_event_socketfd);
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}
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/* terminate status command process */
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terminate_status_command(bar->status_command_pid);
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}
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@ -1,17 +1,17 @@
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#ifndef _SWAYBAR_IPC_H
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#define _SWAYBAR_IPC_H
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#include "state.h"
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#include "bar.h"
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/**
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* Initialize ipc connection to sway and get sway state, outputs, bar_config.
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*/
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void ipc_bar_init(struct swaybar_state *state, int outputi, const char *bar_id);
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void ipc_bar_init(struct bar *bar, int outputi, const char *bar_id);
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/**
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* Handle ipc event from sway.
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*/
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bool handle_ipc_event(struct swaybar_state *state);
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bool handle_ipc_event(struct bar *bar);
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#endif /* _SWAYBAR_IPC_H */
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@ -1,185 +0,0 @@
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include "ipc-client.h"
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#include "list.h"
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#include "log.h"
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#include "ipc.h"
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#include "render.h"
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#include "config.h"
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#include "status_line.h"
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#include "state.h"
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static void state_init(struct swaybar_state *state) {
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state->config = init_config();
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state->status = init_status_line();
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state->output = malloc(sizeof(struct output));
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state->output->window = NULL;
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state->output->registry = NULL;
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state->output->workspaces = create_list();
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state->output->name = NULL;
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}
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static void spawn_status_cmd_proc(struct swaybar_state *state) {
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if (state->config->status_command) {
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int pipefd[2];
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pipe(pipefd);
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state->status_command_pid = fork();
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if (state->status_command_pid == 0) {
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close(pipefd[0]);
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dup2(pipefd[1], STDOUT_FILENO);
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close(pipefd[1]);
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char *const cmd[] = {
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"sh",
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"-c",
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state->config->status_command,
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NULL,
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};
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execvp(cmd[0], cmd);
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return;
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}
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close(pipefd[1]);
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state->status_read_fd = pipefd[0];
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fcntl(state->status_read_fd, F_SETFL, O_NONBLOCK);
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}
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}
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void state_setup(struct swaybar_state *state, const char *socket_path, const char *bar_id, int desired_output) {
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/* initialize state with default values */
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state_init(state);
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state->output->registry = registry_poll();
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if (!state->output->registry->desktop_shell) {
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sway_abort("swaybar requires the compositor to support the desktop-shell extension.");
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}
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/* connect to sway ipc */
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state->ipc_socketfd = ipc_open_socket(socket_path);
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state->ipc_event_socketfd = ipc_open_socket(socket_path);
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ipc_bar_init(state, desired_output, bar_id);
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struct output_state *output = state->output->registry->outputs->items[desired_output];
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state->output->window = window_setup(state->output->registry, output->width, 30, false);
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if (!state->output->window) {
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sway_abort("Failed to create window.");
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}
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desktop_shell_set_panel(state->output->registry->desktop_shell, output->output, state->output->window->surface);
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desktop_shell_set_panel_position(state->output->registry->desktop_shell, state->config->position);
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/* set font */
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state->output->window->font = state->config->font;
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/* set window height */
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set_window_height(state->output->window, state->config->height);
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/* spawn status command */
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spawn_status_cmd_proc(state);
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}
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void state_run(struct swaybar_state *state) {
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fd_set readfds;
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int activity;
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bool dirty = true;
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while (1) {
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if (dirty) {
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struct output *output = state->output;
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if (window_prerender(output->window) && output->window->cairo) {
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render(output, state->config, state->status);
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window_render(output->window);
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if (wl_display_dispatch(output->registry->display) == -1) {
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break;
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}
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}
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}
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dirty = false;
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FD_ZERO(&readfds);
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FD_SET(state->ipc_event_socketfd, &readfds);
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FD_SET(state->status_read_fd, &readfds);
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activity = select(FD_SETSIZE, &readfds, NULL, NULL, NULL);
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if (activity < 0) {
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sway_log(L_ERROR, "polling failed: %d", errno);
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}
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if (FD_ISSET(state->ipc_event_socketfd, &readfds)) {
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sway_log(L_DEBUG, "Got IPC event.");
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dirty = handle_ipc_event(state);
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}
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if (state->config->status_command && FD_ISSET(state->status_read_fd, &readfds)) {
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sway_log(L_DEBUG, "Got update from status command.");
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dirty = handle_status_line(state);
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}
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}
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}
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void free_workspaces(list_t *workspaces) {
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int i;
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for (i = 0; i < workspaces->length; ++i) {
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struct workspace *ws = workspaces->items[i];
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free(ws->name);
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free(ws);
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}
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list_free(workspaces);
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}
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static void free_output(struct output *output) {
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window_teardown(output->window);
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if (output->registry) {
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registry_teardown(output->registry);
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}
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free(output->name);
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if (output->workspaces) {
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free_workspaces(output->workspaces);
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}
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free(output);
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}
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static void terminate_status_command(pid_t pid) {
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if (pid) {
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// terminate status_command process
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int ret = kill(pid, SIGTERM);
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if (ret != 0) {
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sway_log(L_ERROR, "Unable to terminate status_command [pid: %d]", pid);
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} else {
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int status;
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waitpid(pid, &status, 0);
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}
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}
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}
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void state_teardown(struct swaybar_state *state) {
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free_config(state->config);
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free_output(state->output);
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free_status_line(state->status);
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/* close sockets/pipes */
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if (state->status_read_fd) {
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close(state->status_read_fd);
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}
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if (state->ipc_socketfd) {
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close(state->ipc_socketfd);
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}
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if (state->ipc_event_socketfd) {
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close(state->ipc_event_socketfd);
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}
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/* terminate status command process */
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terminate_status_command(state->status_command_pid);
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}
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