From d75c9f9722389d441fd24bd490c5cf12c4bef39a Mon Sep 17 00:00:00 2001 From: Ronan Pigott Date: Wed, 16 Nov 2022 15:50:34 -0700 Subject: [PATCH] launcher: rename pid_workspace to launcher_ctx Soon we will match views with more than just a pid. --- include/sway/desktop/launcher.h | 6 +- sway/commands/exec_always.c | 2 +- sway/desktop/launcher.c | 190 +++++++++++++++++--------------- sway/tree/view.c | 4 +- 4 files changed, 106 insertions(+), 96 deletions(-) diff --git a/include/sway/desktop/launcher.h b/include/sway/desktop/launcher.h index bbc4a2c3..7802bee1 100644 --- a/include/sway/desktop/launcher.h +++ b/include/sway/desktop/launcher.h @@ -3,10 +3,10 @@ #include -struct sway_workspace *root_workspace_for_pid(pid_t pid); +struct sway_workspace *workspace_for_pid(pid_t pid); -void root_record_workspace_pid(pid_t pid); +void launcher_ctx_create(pid_t pid); -void root_remove_workspace_pid(pid_t pid); +void remove_workspace_pid(pid_t pid); #endif diff --git a/sway/commands/exec_always.c b/sway/commands/exec_always.c index fab9a402..d67e416f 100644 --- a/sway/commands/exec_always.c +++ b/sway/commands/exec_always.c @@ -91,7 +91,7 @@ struct cmd_results *cmd_exec_process(int argc, char **argv) { waitpid(pid, NULL, 0); if (child > 0) { sway_log(SWAY_DEBUG, "Child process created with pid %d", child); - root_record_workspace_pid(child); + launcher_ctx_create(child); } else { return cmd_results_new(CMD_FAILURE, "Second fork() failed"); } diff --git a/sway/desktop/launcher.c b/sway/desktop/launcher.c index 532d22ac..337ca975 100644 --- a/sway/desktop/launcher.c +++ b/sway/desktop/launcher.c @@ -11,9 +11,9 @@ #include "sway/tree/root.h" #include "log.h" -static struct wl_list pid_workspaces; +static struct wl_list launcher_ctxs; -struct pid_workspace { +struct launcher_ctx { pid_t pid; char *name; struct wlr_xdg_activation_token_v1 *token; @@ -59,106 +59,121 @@ static pid_t get_parent_pid(pid_t child) { return -1; } -static void pid_workspace_destroy(struct pid_workspace *pw) { - wl_list_remove(&pw->node_destroy.link); - wl_list_remove(&pw->token_destroy.link); - wl_list_remove(&pw->link); - wlr_xdg_activation_token_v1_destroy(pw->token); - free(pw->name); - free(pw); +static void launcher_ctx_destroy(struct launcher_ctx *ctx) { + if (ctx == NULL) { + return; + } + wl_list_remove(&ctx->node_destroy.link); + wl_list_remove(&ctx->token_destroy.link); + wl_list_remove(&ctx->link); + wlr_xdg_activation_token_v1_destroy(ctx->token); + free(ctx->name); + free(ctx); } -struct sway_workspace *root_workspace_for_pid(pid_t pid) { - if (!pid_workspaces.prev && !pid_workspaces.next) { - wl_list_init(&pid_workspaces); +static struct launcher_ctx *launcher_ctx_find_pid(pid_t pid) { + if (!launcher_ctxs.prev && !launcher_ctxs.next) { + wl_list_init(&launcher_ctxs); return NULL; } - struct sway_workspace *ws = NULL; - struct sway_output *output = NULL; - struct pid_workspace *pw = NULL; - + struct launcher_ctx *ctx = NULL; sway_log(SWAY_DEBUG, "Looking up workspace for pid %d", pid); do { - struct pid_workspace *_pw = NULL; - wl_list_for_each(_pw, &pid_workspaces, link) { - if (pid == _pw->pid) { - pw = _pw; + struct launcher_ctx *_ctx = NULL; + wl_list_for_each(_ctx, &launcher_ctxs, link) { + if (pid == _ctx->pid) { + ctx = _ctx; sway_log(SWAY_DEBUG, "found %s match for pid %d: %s", - node_type_to_str(pw->node->type), pid, node_get_name(pw->node)); + node_type_to_str(ctx->node->type), pid, node_get_name(ctx->node)); break; } } pid = get_parent_pid(pid); } while (pid > 1); - if (pw) { - switch (pw->node->type) { - case N_CONTAINER: - // Unimplemented - // TODO: add container matching? - ws = pw->node->sway_container->pending.workspace; - break; - case N_WORKSPACE: - ws = pw->node->sway_workspace; - break; - case N_OUTPUT: - output = pw->node->sway_output; - ws = workspace_by_name(pw->name); - if (!ws) { + return ctx; +} + +static struct sway_workspace *launcher_ctx_get_workspace( + struct launcher_ctx *ctx) { + struct sway_workspace *ws = NULL; + struct sway_output *output = NULL; + + switch (ctx->node->type) { + case N_CONTAINER: + // Unimplemented + // TODO: add container matching? + ws = ctx->node->sway_container->pending.workspace; + break; + case N_WORKSPACE: + ws = ctx->node->sway_workspace; + break; + case N_OUTPUT: + output = ctx->node->sway_output; + ws = workspace_by_name(ctx->name); + if (!ws) { + sway_log(SWAY_DEBUG, + "Creating workspace %s for pid %d because it disappeared", + ctx->name, ctx->pid); + if (!output->enabled) { sway_log(SWAY_DEBUG, - "Creating workspace %s for pid %d because it disappeared", - pw->name, pid); - if (!output->enabled) { - sway_log(SWAY_DEBUG, - "Workspace output %s is disabled, trying another one", - output->wlr_output->name); - output = NULL; - } - ws = workspace_create(output, pw->name); + "Workspace output %s is disabled, trying another one", + output->wlr_output->name); + output = NULL; } - break; - case N_ROOT: - ws = workspace_create(NULL, pw->name); - break; + ws = workspace_create(output, ctx->name); } - pid_workspace_destroy(pw); + break; + case N_ROOT: + ws = workspace_create(NULL, ctx->name); + break; } return ws; } -static void pw_handle_node_destroy(struct wl_listener *listener, void *data) { - struct pid_workspace *pw = wl_container_of(listener, pw, node_destroy); - switch (pw->node->type) { +struct sway_workspace *workspace_for_pid(pid_t pid) { + struct launcher_ctx *ctx = launcher_ctx_find_pid(pid); + if (ctx == NULL) { + return NULL; + } + struct sway_workspace *ws = launcher_ctx_get_workspace(ctx); + launcher_ctx_destroy(ctx); + return ws; +} + +static void ctx_handle_node_destroy(struct wl_listener *listener, void *data) { + struct launcher_ctx *ctx = wl_container_of(listener, ctx, node_destroy); + switch (ctx->node->type) { case N_CONTAINER: // Unimplemented break; case N_WORKSPACE:; - struct sway_workspace *ws = pw->node->sway_workspace; - wl_list_remove(&pw->node_destroy.link); - wl_list_init(&pw->node_destroy.link); + struct sway_workspace *ws = ctx->node->sway_workspace; + wl_list_remove(&ctx->node_destroy.link); + wl_list_init(&ctx->node_destroy.link); // We want to save this ws name to recreate later, hopefully on the // same output - free(pw->name); - pw->name = strdup(ws->name); + free(ctx->name); + ctx->name = strdup(ws->name); if (!ws->output || ws->output->node.destroying) { // If the output is being destroyed it would be pointless to track // If the output is being disabled, we'll find out if it's still // disabled when we try to match it. - pw->node = &root->node; + ctx->node = &root->node; break; } - pw->node = &ws->output->node; - wl_signal_add(&pw->node->events.destroy, &pw->node_destroy); + ctx->node = &ws->output->node; + wl_signal_add(&ctx->node->events.destroy, &ctx->node_destroy); break; case N_OUTPUT: - wl_list_remove(&pw->node_destroy.link); - wl_list_init(&pw->node_destroy.link); - // We'll make the ws pw->name somewhere else - pw->node = &root->node; + wl_list_remove(&ctx->node_destroy.link); + wl_list_init(&ctx->node_destroy.link); + // We'll make the ws ctx->name somewhere else + ctx->node = &root->node; break; case N_ROOT: // Unreachable @@ -167,15 +182,15 @@ static void pw_handle_node_destroy(struct wl_listener *listener, void *data) { } static void token_handle_destroy(struct wl_listener *listener, void *data) { - struct pid_workspace *pw = wl_container_of(listener, pw, token_destroy); - pw->token = NULL; - pid_workspace_destroy(pw); + struct launcher_ctx *ctx = wl_container_of(listener, ctx, token_destroy); + ctx->token = NULL; + launcher_ctx_destroy(ctx); } -void root_record_workspace_pid(pid_t pid) { +void launcher_ctx_create(pid_t pid) { sway_log(SWAY_DEBUG, "Recording workspace for process %d", pid); - if (!pid_workspaces.prev && !pid_workspaces.next) { - wl_list_init(&pid_workspaces); + if (!launcher_ctxs.prev && !launcher_ctxs.next) { + wl_list_init(&launcher_ctxs); } struct sway_seat *seat = input_manager_current_seat(); @@ -185,34 +200,29 @@ void root_record_workspace_pid(pid_t pid) { return; } - struct pid_workspace *pw = calloc(1, sizeof(struct pid_workspace)); + struct launcher_ctx *ctx = calloc(1, sizeof(struct launcher_ctx)); struct wlr_xdg_activation_token_v1 *token = wlr_xdg_activation_token_v1_create(server.xdg_activation_v1); - token->data = pw; - pw->name = strdup(ws->name); - pw->token = token; - pw->node = &ws->node; - pw->pid = pid; + token->data = ctx; + ctx->name = strdup(ws->name); + ctx->token = token; + ctx->node = &ws->node; + ctx->pid = pid; - pw->node_destroy.notify = pw_handle_node_destroy; - wl_signal_add(&pw->node->events.destroy, &pw->node_destroy); + ctx->node_destroy.notify = ctx_handle_node_destroy; + wl_signal_add(&ctx->node->events.destroy, &ctx->node_destroy); - pw->token_destroy.notify = token_handle_destroy; - wl_signal_add(&token->events.destroy, &pw->token_destroy); + ctx->token_destroy.notify = token_handle_destroy; + wl_signal_add(&token->events.destroy, &ctx->token_destroy); - wl_list_insert(&pid_workspaces, &pw->link); + wl_list_insert(&launcher_ctxs, &ctx->link); } -void root_remove_workspace_pid(pid_t pid) { - if (!pid_workspaces.prev || !pid_workspaces.next) { +void remove_workspace_pid(pid_t pid) { + if (!launcher_ctxs.prev || !launcher_ctxs.next) { return; } - struct pid_workspace *pw, *tmp; - wl_list_for_each_safe(pw, tmp, &pid_workspaces, link) { - if (pid == pw->pid) { - pid_workspace_destroy(pw); - return; - } - } + struct launcher_ctx *ctx = launcher_ctx_find_pid(pid); + launcher_ctx_destroy(ctx); } diff --git a/sway/tree/view.c b/sway/tree/view.c index edc3e2af..7482e7a4 100644 --- a/sway/tree/view.c +++ b/sway/tree/view.c @@ -569,12 +569,12 @@ static struct sway_workspace *select_workspace(struct sway_view *view) { } list_free(criterias); if (ws) { - root_remove_workspace_pid(view->pid); + remove_workspace_pid(view->pid); return ws; } // Check if there's a PID mapping - ws = root_workspace_for_pid(view->pid); + ws = workspace_for_pid(view->pid); if (ws) { return ws; }