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337 lines
9.8 KiB
337 lines
9.8 KiB
#define _POSIX_C_SOURCE 200809L
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wlr/types/wlr_output_layout.h>
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#include "sway/input/seat.h"
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#include "sway/output.h"
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#include "sway/tree/arrange.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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#include "list.h"
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#include "log.h"
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#include "util.h"
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struct sway_container root_container;
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static void output_layout_handle_change(struct wl_listener *listener,
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void *data) {
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arrange_windows(&root_container);
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transaction_commit_dirty();
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}
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void root_create(void) {
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root_container.id = 0; // normally assigned in new_swayc()
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root_container.type = C_ROOT;
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root_container.layout = L_NONE;
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root_container.name = strdup("root");
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root_container.children = create_list();
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root_container.current.children = create_list();
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wl_signal_init(&root_container.events.destroy);
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root_container.sway_root = calloc(1, sizeof(*root_container.sway_root));
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root_container.sway_root->output_layout = wlr_output_layout_create();
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wl_list_init(&root_container.sway_root->outputs);
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#ifdef HAVE_XWAYLAND
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wl_list_init(&root_container.sway_root->xwayland_unmanaged);
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#endif
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wl_list_init(&root_container.sway_root->drag_icons);
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wl_signal_init(&root_container.sway_root->events.new_container);
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root_container.sway_root->scratchpad = create_list();
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root_container.sway_root->output_layout_change.notify =
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output_layout_handle_change;
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wl_signal_add(&root_container.sway_root->output_layout->events.change,
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&root_container.sway_root->output_layout_change);
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}
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void root_destroy(void) {
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// sway_root
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wl_list_remove(&root_container.sway_root->output_layout_change.link);
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list_free(root_container.sway_root->scratchpad);
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wlr_output_layout_destroy(root_container.sway_root->output_layout);
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free(root_container.sway_root);
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// root_container
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list_free(root_container.children);
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list_free(root_container.current.children);
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free(root_container.name);
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memset(&root_container, 0, sizeof(root_container));
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}
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void root_scratchpad_add_container(struct sway_container *con) {
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if (!sway_assert(!con->scratchpad, "Container is already in scratchpad")) {
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return;
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}
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con->scratchpad = true;
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list_add(root_container.sway_root->scratchpad, con);
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struct sway_container *parent = con->parent;
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container_set_floating(con, true);
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container_remove_child(con);
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arrange_windows(parent);
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struct sway_seat *seat = input_manager_current_seat(input_manager);
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seat_set_focus(seat, seat_get_focus_inactive(seat, parent));
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}
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void root_scratchpad_remove_container(struct sway_container *con) {
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if (!sway_assert(con->scratchpad, "Container is not in scratchpad")) {
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return;
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}
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con->scratchpad = false;
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int index = list_find(root_container.sway_root->scratchpad, con);
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if (index != -1) {
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list_del(root_container.sway_root->scratchpad, index);
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}
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}
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void root_scratchpad_show(struct sway_container *con) {
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struct sway_seat *seat = input_manager_current_seat(input_manager);
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struct sway_container *ws = seat_get_focus(seat);
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if (ws->type != C_WORKSPACE) {
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ws = container_parent(ws, C_WORKSPACE);
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}
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// If the current con or any of its parents are in fullscreen mode, we
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// first need to disable it before showing the scratchpad con.
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if (ws->sway_workspace->fullscreen) {
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container_set_fullscreen(ws->sway_workspace->fullscreen, false);
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}
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// Show the container
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if (con->parent) {
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container_remove_child(con);
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}
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workspace_add_floating(ws, con);
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// Make sure the container's center point overlaps this workspace
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double center_lx = con->x + con->width / 2;
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double center_ly = con->y + con->height / 2;
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struct wlr_box workspace_box;
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container_get_box(ws, &workspace_box);
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if (!wlr_box_contains_point(&workspace_box, center_lx, center_ly)) {
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// Maybe resize it
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if (con->width > ws->width || con->height > ws->height) {
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container_init_floating(con);
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}
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// Center it
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double new_lx = ws->x + (ws->width - con->width) / 2;
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double new_ly = ws->y + (ws->height - con->height) / 2;
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container_floating_move_to(con, new_lx, new_ly);
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}
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arrange_windows(ws);
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seat_set_focus(seat, seat_get_focus_inactive(seat, con));
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container_set_dirty(con->parent);
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}
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void root_scratchpad_hide(struct sway_container *con) {
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struct sway_seat *seat = input_manager_current_seat(input_manager);
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struct sway_container *focus = seat_get_focus(seat);
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struct sway_container *ws = container_parent(con, C_WORKSPACE);
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container_remove_child(con);
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arrange_windows(ws);
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if (con == focus) {
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seat_set_focus(seat, seat_get_focus_inactive(seat, ws));
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}
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list_move_to_end(root_container.sway_root->scratchpad, con);
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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_container *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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struct sway_container *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_container *ws = NULL;
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struct pid_workspace *pw = NULL;
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wlr_log(WLR_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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wlr_log(WLR_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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wlr_log(WLR_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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ws = workspace_create(pw->output, pw->workspace);
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}
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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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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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wlr_log(WLR_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(input_manager);
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struct sway_container *ws =
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seat_get_focus_inactive(seat, &root_container);
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if (ws && ws->type != C_WORKSPACE) {
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ws = container_parent(ws, C_WORKSPACE);
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}
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if (!ws) {
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wlr_log(WLR_DEBUG, "Bailing out, no workspace");
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return;
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}
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struct sway_container *output = ws->parent;
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if (!output) {
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wlr_log(WLR_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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wl_list_remove(&old->output_destroy.link);
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wl_list_remove(&old->link);
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free(old->workspace);
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free(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->sway_output->wlr_output->events.destroy,
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&pw->output_destroy);
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wl_list_insert(&pid_workspaces, &pw->link);
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}
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void root_for_each_workspace(void (*f)(struct sway_container *con, void *data),
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void *data) {
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for (int i = 0; i < root_container.children->length; ++i) {
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struct sway_container *output = root_container.children->items[i];
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output_for_each_workspace(output, f, data);
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}
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}
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void root_for_each_container(void (*f)(struct sway_container *con, void *data),
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void *data) {
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for (int i = 0; i < root_container.children->length; ++i) {
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struct sway_container *output = root_container.children->items[i];
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output_for_each_container(output, f, data);
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}
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// Scratchpad
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for (int i = 0; i < root_container.sway_root->scratchpad->length; ++i) {
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struct sway_container *container =
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root_container.sway_root->scratchpad->items[i];
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// If the container has a parent then it's visible on a workspace
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// and will have been iterated in the previous for loop. So we only
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// iterate the hidden scratchpad containers here.
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if (!container->parent) {
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f(container, data);
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container_for_each_child(container, f, data);
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}
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}
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}
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struct sway_container *root_find_output(
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bool (*test)(struct sway_container *con, void *data), void *data) {
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for (int i = 0; i < root_container.children->length; ++i) {
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struct sway_container *output = root_container.children->items[i];
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if (test(output, data)) {
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return output;
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}
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}
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return NULL;
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}
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struct sway_container *root_find_workspace(
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bool (*test)(struct sway_container *con, void *data), void *data) {
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struct sway_container *result = NULL;
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for (int i = 0; i < root_container.children->length; ++i) {
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struct sway_container *output = root_container.children->items[i];
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if ((result = output_find_workspace(output, test, data))) {
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return result;
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}
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}
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return NULL;
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}
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struct sway_container *root_find_container(
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bool (*test)(struct sway_container *con, void *data), void *data) {
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struct sway_container *result = NULL;
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for (int i = 0; i < root_container.children->length; ++i) {
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struct sway_container *output = root_container.children->items[i];
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if ((result = output_find_container(output, test, data))) {
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return result;
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}
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}
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// Scratchpad
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for (int i = 0; i < root_container.sway_root->scratchpad->length; ++i) {
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struct sway_container *container =
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root_container.sway_root->scratchpad->items[i];
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if (!container->parent) {
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if (test(container, data)) {
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return container;
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}
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if ((result = container_find_child(container, test, data))) {
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return result;
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}
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}
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}
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return NULL;
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}
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