From bad4e22f3be658f8688f308e54a48b65c071a952 Mon Sep 17 00:00:00 2001 From: Mikkel Oscar Lyderik Date: Tue, 23 Feb 2016 14:25:09 +0100 Subject: [PATCH] Make sway spawn only one bar per bar config --- include/config.h | 4 +-- include/container.h | 4 +-- sway/commands.c | 2 +- sway/config.c | 70 +++++++++++++++++---------------------------- sway/container.c | 5 ---- 5 files changed, 31 insertions(+), 54 deletions(-) diff --git a/include/config.h b/include/config.h index 655d0a9cf..0b19580c3 100644 --- a/include/config.h +++ b/include/config.h @@ -125,6 +125,7 @@ struct bar_config { bool strip_workspace_numbers; bool binding_mode_indicator; bool verbose; + pid_t pid; struct { char background[10]; char statusline[10]; @@ -226,8 +227,7 @@ int sway_mouse_binding_cmp_qsort(const void *a, const void *b); int sway_mouse_binding_cmp_buttons(const void *a, const void *b); void free_sway_mouse_binding(struct sway_mouse_binding *smb); -void load_swaybars(swayc_t *output, int output_idx); -void terminate_swaybars(list_t *pids); +void load_swaybars(swayc_t *output); void terminate_swaybg(pid_t pid); /** diff --git a/include/container.h b/include/container.h index d5126e746..a96beab91 100644 --- a/include/container.h +++ b/include/container.h @@ -82,9 +82,7 @@ struct sway_container { char *class; char *app_id; - // Used by output containers to keep track of swaybar/swaybg child - // processes. - list_t *bar_pids; + // Used by output containers to keep track of swaybg child processes. pid_t bg_pid; int gaps; diff --git a/sway/commands.c b/sway/commands.c index c4b7f6ab5..548b7d9fc 100644 --- a/sway/commands.c +++ b/sway/commands.c @@ -1531,7 +1531,7 @@ static struct cmd_results *cmd_reload(int argc, char **argv) { for (i = 0; i < root_container.children->length; ++i) { cont = root_container.children->items[i]; if (cont->type == C_OUTPUT) { - load_swaybars(cont, i); + load_swaybars(cont); } } diff --git a/sway/config.c b/sway/config.c index 65dba365e..c34a660ec 100644 --- a/sway/config.c +++ b/sway/config.c @@ -23,6 +23,8 @@ struct sway_config *config = NULL; +static void terminate_swaybar(pid_t pid); + static void free_variable(struct sway_variable *var) { free(var->name); free(var->value); @@ -60,6 +62,11 @@ static void free_bar(struct bar_config *bar) { if (bar->outputs) { free_flat_list(bar->outputs); } + + if (bar->pid != 0) { + terminate_swaybar(bar->pid); + } + free(bar); } @@ -471,32 +478,23 @@ void merge_output_config(struct output_config *dst, struct output_config *src) { } } -static void invoke_swaybar(swayc_t *output, struct bar_config *bar, int output_i) { - sway_log(L_DEBUG, "Invoking swaybar for output %s[%d] and bar %s", output->name, output_i, bar->id); - - size_t bufsize = 4; - char output_id[bufsize]; - snprintf(output_id, bufsize, "%d", output_i); - output_id[bufsize-1] = 0; - - pid_t *pid = malloc(sizeof(pid_t)); - *pid = fork(); - if (*pid == 0) { +static void invoke_swaybar(struct bar_config *bar) { + bar->pid = fork(); + if (bar->pid == 0) { if (!bar->swaybar_command) { char *const cmd[] = { "swaybar", "-b", bar->id, - output_id, NULL, }; execvp(cmd[0], cmd); } else { // run custom swaybar - int len = strlen(bar->swaybar_command) + strlen(bar->id) + strlen(output_id) + 6; + int len = strlen(bar->swaybar_command) + strlen(bar->id) + 5; char *command = malloc(len * sizeof(char)); - snprintf(command, len, "%s -b %s %s", bar->swaybar_command, bar->id, output_id); + snprintf(command, len, "%s -b %s", bar->swaybar_command, bar->id); char *const cmd[] = { "sh", @@ -509,30 +507,15 @@ static void invoke_swaybar(swayc_t *output, struct bar_config *bar, int output_i free(command); } } - - // add swaybar pid to output - list_add(output->bar_pids, pid); } -void terminate_swaybars(list_t *pids) { - int i, ret; - pid_t *pid; - for (i = 0; i < pids->length; ++i) { - pid = pids->items[i]; - ret = kill(*pid, SIGTERM); - if (ret != 0) { - sway_log(L_ERROR, "Unable to terminate swaybar [pid: %d]", *pid); - } else { - int status; - waitpid(*pid, &status, 0); - } - } - - // empty pids list - for (i = 0; i < pids->length; ++i) { - pid = pids->items[i]; - list_del(pids, i); - free(pid); +static void terminate_swaybar(pid_t pid) { + int ret = kill(pid, SIGTERM); + if (ret != 0) { + sway_log(L_ERROR, "Unable to terminate swaybar [pid: %d]", pid); + } else { + int status; + waitpid(pid, &status, 0); } } @@ -546,7 +529,7 @@ void terminate_swaybg(pid_t pid) { } } -void load_swaybars(swayc_t *output, int output_idx) { +void load_swaybars(swayc_t *output) { // Check for bars list_t *bars = create_list(); struct bar_config *bar = NULL; @@ -571,13 +554,13 @@ void load_swaybars(swayc_t *output, int output_idx) { } } - // terminate swaybar processes previously spawned for this - // output. - terminate_swaybars(output->bar_pids); - for (i = 0; i < bars->length; ++i) { bar = bars->items[i]; - invoke_swaybar(output, bar, output_idx); + if (bar->pid != 0) { + terminate_swaybar(bar->pid); + } + sway_log(L_DEBUG, "Invoking swaybar for output %s and bar '%s'", output->name, bar->id); + invoke_swaybar(bar); } list_free(bars); @@ -701,7 +684,7 @@ void apply_output_config(struct output_config *oc, swayc_t *output) { } // load swaybars for output - load_swaybars(output, output_i); + load_swaybars(output); } char *do_var_replacement(char *str) { @@ -889,6 +872,7 @@ struct bar_config *default_bar_config(void) { bar->strip_workspace_numbers = false; bar->binding_mode_indicator = true; bar->tray_padding = 2; + bar->pid = 0; // set default colors strcpy(bar->colors.background, "#000000ff"); strcpy(bar->colors.statusline, "#ffffffff"); diff --git a/sway/container.c b/sway/container.c index 746890c97..2db7b218b 100644 --- a/sway/container.c +++ b/sway/container.c @@ -61,10 +61,6 @@ static void free_swayc(swayc_t *cont) { if (cont->app_id) { free(cont->app_id); } - if (cont->bar_pids) { - terminate_swaybars(cont->bar_pids); - free_flat_list(cont->bar_pids); - } if (cont->bg_pid != 0) { terminate_swaybg(cont->bg_pid); } @@ -123,7 +119,6 @@ swayc_t *new_output(wlc_handle handle) { output->width = size->w; output->height = size->h; output->unmanaged = create_list(); - output->bar_pids = create_list(); output->bg_pid = 0; apply_output_config(oc, output);