mirror of
https://github.com/swaywm/sway.git
synced 2024-10-31 21:47:24 +00:00
root: move the workspace matching code to its own file
This removes the pid_workspace bits from tree/root before it gets
too interesting.
No functional change.
(cherry picked from commit eb5021ef99
)
This commit is contained in:
parent
52166bc1f5
commit
25f559dcde
14
include/sway/desktop/launcher.h
Normal file
14
include/sway/desktop/launcher.h
Normal file
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@ -0,0 +1,14 @@
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#ifndef _SWAY_LAUNCHER_H
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#define _SWAY_LAUNCHER_H
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#include <stdlib.h>
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struct sway_workspace *root_workspace_for_pid(pid_t pid);
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void root_record_workspace_pid(pid_t pid);
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void root_remove_workspace_pid(pid_t pid);
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void root_rename_pid_workspaces(const char *old_name, const char *new_name);
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#endif
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@ -69,12 +69,6 @@ void root_scratchpad_show(struct sway_container *con);
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*/
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void root_scratchpad_hide(struct sway_container *con);
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struct sway_workspace *root_workspace_for_pid(pid_t pid);
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void root_record_workspace_pid(pid_t pid);
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void root_remove_workspace_pid(pid_t pid);
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void root_for_each_workspace(void (*f)(struct sway_workspace *ws, void *data),
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void *data);
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@ -92,6 +86,4 @@ struct sway_container *root_find_container(
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void root_get_box(struct sway_root *root, struct wlr_box *box);
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void root_rename_pid_workspaces(const char *old_name, const char *new_name);
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#endif
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@ -8,6 +8,7 @@
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#include "sway/commands.h"
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#include "sway/config.h"
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#include "sway/server.h"
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#include "sway/desktop/launcher.h"
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#include "sway/tree/container.h"
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#include "sway/tree/root.h"
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#include "sway/tree/workspace.h"
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@ -7,6 +7,7 @@
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#include "sway/config.h"
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#include "sway/ipc-server.h"
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#include "sway/output.h"
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#include "sway/desktop/launcher.h"
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#include "sway/tree/container.h"
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#include "sway/tree/workspace.h"
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#include "sway/tree/root.h"
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189
sway/desktop/launcher.c
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189
sway/desktop/launcher.c
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@ -0,0 +1,189 @@
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#define _POSIX_C_SOURCE 200809L
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#include <stdlib.h>
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#include <string.h>
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#include "sway/input/seat.h"
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#include "sway/output.h"
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#include "sway/desktop/launcher.h"
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#include "sway/tree/container.h"
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#include "sway/tree/workspace.h"
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#include "log.h"
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static struct wl_list pid_workspaces;
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struct pid_workspace {
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pid_t pid;
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char *workspace;
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struct timespec time_added;
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struct sway_output *output;
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struct wl_listener output_destroy;
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struct wl_list link;
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};
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/**
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* Get the pid of a parent process given the pid of a child process.
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*
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* Returns the parent pid or NULL if the parent pid cannot be determined.
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*/
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static pid_t get_parent_pid(pid_t child) {
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pid_t parent = -1;
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char file_name[100];
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char *buffer = NULL;
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const char *sep = " ";
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FILE *stat = NULL;
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size_t buf_size = 0;
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snprintf(file_name, sizeof(file_name), "/proc/%d/stat", child);
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if ((stat = fopen(file_name, "r"))) {
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if (getline(&buffer, &buf_size, stat) != -1) {
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strtok(buffer, sep); // pid
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strtok(NULL, sep); // executable name
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strtok(NULL, sep); // state
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char *token = strtok(NULL, sep); // parent pid
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parent = strtol(token, NULL, 10);
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}
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free(buffer);
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fclose(stat);
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}
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if (parent) {
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return (parent == child) ? -1 : parent;
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}
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return -1;
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}
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static void pid_workspace_destroy(struct pid_workspace *pw) {
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wl_list_remove(&pw->output_destroy.link);
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wl_list_remove(&pw->link);
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free(pw->workspace);
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free(pw);
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}
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struct sway_workspace *root_workspace_for_pid(pid_t pid) {
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if (!pid_workspaces.prev && !pid_workspaces.next) {
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wl_list_init(&pid_workspaces);
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return NULL;
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}
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struct sway_workspace *ws = NULL;
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struct pid_workspace *pw = NULL;
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sway_log(SWAY_DEBUG, "Looking up workspace for pid %d", pid);
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do {
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struct pid_workspace *_pw = NULL;
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wl_list_for_each(_pw, &pid_workspaces, link) {
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if (pid == _pw->pid) {
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pw = _pw;
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sway_log(SWAY_DEBUG,
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"found pid_workspace for pid %d, workspace %s",
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pid, pw->workspace);
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goto found;
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}
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}
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pid = get_parent_pid(pid);
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} while (pid > 1);
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found:
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if (pw && pw->workspace) {
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ws = workspace_by_name(pw->workspace);
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if (!ws) {
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sway_log(SWAY_DEBUG,
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"Creating workspace %s for pid %d because it disappeared",
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pw->workspace, pid);
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struct sway_output *output = pw->output;
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if (pw->output && !pw->output->enabled) {
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sway_log(SWAY_DEBUG,
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"Workspace output %s is disabled, trying another one",
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pw->output->wlr_output->name);
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output = NULL;
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}
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ws = workspace_create(output, pw->workspace);
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}
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pid_workspace_destroy(pw);
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}
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return ws;
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}
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static void pw_handle_output_destroy(struct wl_listener *listener, void *data) {
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struct pid_workspace *pw = wl_container_of(listener, pw, output_destroy);
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pw->output = NULL;
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wl_list_remove(&pw->output_destroy.link);
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wl_list_init(&pw->output_destroy.link);
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}
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void root_record_workspace_pid(pid_t pid) {
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sway_log(SWAY_DEBUG, "Recording workspace for process %d", pid);
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if (!pid_workspaces.prev && !pid_workspaces.next) {
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wl_list_init(&pid_workspaces);
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}
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struct sway_seat *seat = input_manager_current_seat();
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struct sway_workspace *ws = seat_get_focused_workspace(seat);
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if (!ws) {
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sway_log(SWAY_DEBUG, "Bailing out, no workspace");
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return;
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}
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struct sway_output *output = ws->output;
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if (!output) {
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sway_log(SWAY_DEBUG, "Bailing out, no output");
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return;
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}
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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// Remove expired entries
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static const int timeout = 60;
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struct pid_workspace *old, *_old;
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wl_list_for_each_safe(old, _old, &pid_workspaces, link) {
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if (now.tv_sec - old->time_added.tv_sec >= timeout) {
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pid_workspace_destroy(old);
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}
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}
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struct pid_workspace *pw = calloc(1, sizeof(struct pid_workspace));
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pw->workspace = strdup(ws->name);
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pw->output = output;
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pw->pid = pid;
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memcpy(&pw->time_added, &now, sizeof(struct timespec));
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pw->output_destroy.notify = pw_handle_output_destroy;
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wl_signal_add(&output->wlr_output->events.destroy, &pw->output_destroy);
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wl_list_insert(&pid_workspaces, &pw->link);
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}
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void root_remove_workspace_pid(pid_t pid) {
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if (!pid_workspaces.prev || !pid_workspaces.next) {
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return;
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}
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struct pid_workspace *pw, *tmp;
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wl_list_for_each_safe(pw, tmp, &pid_workspaces, link) {
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if (pid == pw->pid) {
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pid_workspace_destroy(pw);
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return;
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}
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}
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}
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void root_rename_pid_workspaces(const char *old_name, const char *new_name) {
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if (!pid_workspaces.prev && !pid_workspaces.next) {
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wl_list_init(&pid_workspaces);
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}
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struct pid_workspace *pw = NULL;
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wl_list_for_each(pw, &pid_workspaces, link) {
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if (strcmp(pw->workspace, old_name) == 0) {
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free(pw->workspace);
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pw->workspace = strdup(new_name);
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}
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}
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}
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@ -21,6 +21,7 @@ sway_sources = files(
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'desktop/surface.c',
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'desktop/transaction.c',
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'desktop/xdg_shell.c',
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'desktop/launcher.c',
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'input/input-manager.c',
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'input/cursor.c',
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180
sway/tree/root.c
180
sway/tree/root.c
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@ -184,172 +184,6 @@ void root_scratchpad_hide(struct sway_container *con) {
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ipc_event_window(con, "move");
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}
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struct pid_workspace {
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pid_t pid;
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char *workspace;
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struct timespec time_added;
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struct sway_output *output;
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struct wl_listener output_destroy;
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struct wl_list link;
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};
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static struct wl_list pid_workspaces;
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/**
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* Get the pid of a parent process given the pid of a child process.
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*
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* Returns the parent pid or NULL if the parent pid cannot be determined.
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*/
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static pid_t get_parent_pid(pid_t child) {
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pid_t parent = -1;
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char file_name[100];
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char *buffer = NULL;
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const char *sep = " ";
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FILE *stat = NULL;
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size_t buf_size = 0;
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snprintf(file_name, sizeof(file_name), "/proc/%d/stat", child);
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if ((stat = fopen(file_name, "r"))) {
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if (getline(&buffer, &buf_size, stat) != -1) {
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strtok(buffer, sep); // pid
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strtok(NULL, sep); // executable name
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strtok(NULL, sep); // state
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char *token = strtok(NULL, sep); // parent pid
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parent = strtol(token, NULL, 10);
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}
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free(buffer);
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fclose(stat);
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}
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if (parent) {
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return (parent == child) ? -1 : parent;
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}
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return -1;
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}
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static void pid_workspace_destroy(struct pid_workspace *pw) {
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wl_list_remove(&pw->output_destroy.link);
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wl_list_remove(&pw->link);
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free(pw->workspace);
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free(pw);
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}
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struct sway_workspace *root_workspace_for_pid(pid_t pid) {
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if (!pid_workspaces.prev && !pid_workspaces.next) {
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wl_list_init(&pid_workspaces);
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return NULL;
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}
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struct sway_workspace *ws = NULL;
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struct pid_workspace *pw = NULL;
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sway_log(SWAY_DEBUG, "Looking up workspace for pid %d", pid);
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do {
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struct pid_workspace *_pw = NULL;
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wl_list_for_each(_pw, &pid_workspaces, link) {
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if (pid == _pw->pid) {
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pw = _pw;
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sway_log(SWAY_DEBUG,
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"found pid_workspace for pid %d, workspace %s",
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pid, pw->workspace);
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goto found;
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}
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}
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pid = get_parent_pid(pid);
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} while (pid > 1);
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found:
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if (pw && pw->workspace) {
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ws = workspace_by_name(pw->workspace);
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if (!ws) {
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sway_log(SWAY_DEBUG,
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"Creating workspace %s for pid %d because it disappeared",
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pw->workspace, pid);
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struct sway_output *output = pw->output;
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if (pw->output && !pw->output->enabled) {
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sway_log(SWAY_DEBUG,
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"Workspace output %s is disabled, trying another one",
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pw->output->wlr_output->name);
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output = NULL;
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}
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ws = workspace_create(output, pw->workspace);
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}
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pid_workspace_destroy(pw);
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}
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return ws;
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}
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static void pw_handle_output_destroy(struct wl_listener *listener, void *data) {
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struct pid_workspace *pw = wl_container_of(listener, pw, output_destroy);
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pw->output = NULL;
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wl_list_remove(&pw->output_destroy.link);
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wl_list_init(&pw->output_destroy.link);
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}
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void root_record_workspace_pid(pid_t pid) {
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sway_log(SWAY_DEBUG, "Recording workspace for process %d", pid);
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if (!pid_workspaces.prev && !pid_workspaces.next) {
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wl_list_init(&pid_workspaces);
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}
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struct sway_seat *seat = input_manager_current_seat();
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struct sway_workspace *ws = seat_get_focused_workspace(seat);
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if (!ws) {
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sway_log(SWAY_DEBUG, "Bailing out, no workspace");
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return;
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}
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struct sway_output *output = ws->output;
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if (!output) {
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sway_log(SWAY_DEBUG, "Bailing out, no output");
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return;
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}
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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// Remove expired entries
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static const int timeout = 60;
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struct pid_workspace *old, *_old;
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wl_list_for_each_safe(old, _old, &pid_workspaces, link) {
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if (now.tv_sec - old->time_added.tv_sec >= timeout) {
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pid_workspace_destroy(old);
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}
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}
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struct pid_workspace *pw = calloc(1, sizeof(struct pid_workspace));
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pw->workspace = strdup(ws->name);
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pw->output = output;
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pw->pid = pid;
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memcpy(&pw->time_added, &now, sizeof(struct timespec));
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pw->output_destroy.notify = pw_handle_output_destroy;
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wl_signal_add(&output->wlr_output->events.destroy, &pw->output_destroy);
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wl_list_insert(&pid_workspaces, &pw->link);
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}
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void root_remove_workspace_pid(pid_t pid) {
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if (!pid_workspaces.prev || !pid_workspaces.next) {
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return;
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}
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struct pid_workspace *pw, *tmp;
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wl_list_for_each_safe(pw, tmp, &pid_workspaces, link) {
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if (pid == pw->pid) {
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pid_workspace_destroy(pw);
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return;
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}
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}
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}
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void root_for_each_workspace(void (*f)(struct sway_workspace *ws, void *data),
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void *data) {
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for (int i = 0; i < root->outputs->length; ++i) {
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@ -444,17 +278,3 @@ void root_get_box(struct sway_root *root, struct wlr_box *box) {
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box->width = root->width;
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box->height = root->height;
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}
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void root_rename_pid_workspaces(const char *old_name, const char *new_name) {
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if (!pid_workspaces.prev && !pid_workspaces.next) {
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wl_list_init(&pid_workspaces);
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}
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struct pid_workspace *pw = NULL;
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wl_list_for_each(pw, &pid_workspaces, link) {
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if (strcmp(pw->workspace, old_name) == 0) {
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free(pw->workspace);
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pw->workspace = strdup(new_name);
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}
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}
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}
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@ -19,6 +19,7 @@
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#include "sway/desktop.h"
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#include "sway/desktop/transaction.h"
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#include "sway/desktop/idle_inhibit_v1.h"
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#include "sway/desktop/launcher.h"
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#include "sway/input/cursor.h"
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#include "sway/ipc-server.h"
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#include "sway/output.h"
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