swayfx/sway/tree/root.c
Ryan Dwyer 2b5a404ac9 Replace hacky L_FLOATING container with a list
Workspaces previously had a magical `workspace->floating` container,
which had a layout of L_FLOATING and whose children were actual floating
views. This allowed some conveniences, but was a hacky solution because
the container has to be exempt from focus, coordinate transactions with
the workspace, and omit emitting IPC events (which we didn't do).

This commit changes it to be a list directly in the sway_workspace. The
L_FLOATING layout is no longer used so this has been removed as well.

* Fixes incorrect check in the swap command (it checked if the
containers had the L_FLOATING layout, but this layout applied to the
magical container).
* Introduces workspace_add_floating
2018-08-19 16:18:33 +10:00

337 lines
9.8 KiB
C

#define _POSIX_C_SOURCE 200809L
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <wlr/types/wlr_output_layout.h>
#include "sway/input/seat.h"
#include "sway/output.h"
#include "sway/tree/arrange.h"
#include "sway/tree/container.h"
#include "sway/tree/root.h"
#include "sway/tree/workspace.h"
#include "list.h"
#include "log.h"
#include "util.h"
struct sway_container root_container;
static void output_layout_handle_change(struct wl_listener *listener,
void *data) {
arrange_windows(&root_container);
transaction_commit_dirty();
}
void root_create(void) {
root_container.id = 0; // normally assigned in new_swayc()
root_container.type = C_ROOT;
root_container.layout = L_NONE;
root_container.name = strdup("root");
root_container.children = create_list();
root_container.current.children = create_list();
wl_signal_init(&root_container.events.destroy);
root_container.sway_root = calloc(1, sizeof(*root_container.sway_root));
root_container.sway_root->output_layout = wlr_output_layout_create();
wl_list_init(&root_container.sway_root->outputs);
#ifdef HAVE_XWAYLAND
wl_list_init(&root_container.sway_root->xwayland_unmanaged);
#endif
wl_list_init(&root_container.sway_root->drag_icons);
wl_signal_init(&root_container.sway_root->events.new_container);
root_container.sway_root->scratchpad = create_list();
root_container.sway_root->output_layout_change.notify =
output_layout_handle_change;
wl_signal_add(&root_container.sway_root->output_layout->events.change,
&root_container.sway_root->output_layout_change);
}
void root_destroy(void) {
// sway_root
wl_list_remove(&root_container.sway_root->output_layout_change.link);
list_free(root_container.sway_root->scratchpad);
wlr_output_layout_destroy(root_container.sway_root->output_layout);
free(root_container.sway_root);
// root_container
list_free(root_container.children);
list_free(root_container.current.children);
free(root_container.name);
memset(&root_container, 0, sizeof(root_container));
}
void root_scratchpad_add_container(struct sway_container *con) {
if (!sway_assert(!con->scratchpad, "Container is already in scratchpad")) {
return;
}
con->scratchpad = true;
list_add(root_container.sway_root->scratchpad, con);
struct sway_container *parent = con->parent;
container_set_floating(con, true);
container_remove_child(con);
arrange_windows(parent);
struct sway_seat *seat = input_manager_current_seat(input_manager);
seat_set_focus(seat, seat_get_focus_inactive(seat, parent));
}
void root_scratchpad_remove_container(struct sway_container *con) {
if (!sway_assert(con->scratchpad, "Container is not in scratchpad")) {
return;
}
con->scratchpad = false;
int index = list_find(root_container.sway_root->scratchpad, con);
if (index != -1) {
list_del(root_container.sway_root->scratchpad, index);
}
}
void root_scratchpad_show(struct sway_container *con) {
struct sway_seat *seat = input_manager_current_seat(input_manager);
struct sway_container *ws = seat_get_focus(seat);
if (ws->type != C_WORKSPACE) {
ws = container_parent(ws, C_WORKSPACE);
}
// If the current con or any of its parents are in fullscreen mode, we
// first need to disable it before showing the scratchpad con.
if (ws->sway_workspace->fullscreen) {
container_set_fullscreen(ws->sway_workspace->fullscreen, false);
}
// Show the container
if (con->parent) {
container_remove_child(con);
}
workspace_add_floating(ws, con);
// Make sure the container's center point overlaps this workspace
double center_lx = con->x + con->width / 2;
double center_ly = con->y + con->height / 2;
struct wlr_box workspace_box;
container_get_box(ws, &workspace_box);
if (!wlr_box_contains_point(&workspace_box, center_lx, center_ly)) {
// Maybe resize it
if (con->width > ws->width || con->height > ws->height) {
container_init_floating(con);
}
// Center it
double new_lx = ws->x + (ws->width - con->width) / 2;
double new_ly = ws->y + (ws->height - con->height) / 2;
container_floating_move_to(con, new_lx, new_ly);
}
arrange_windows(ws);
seat_set_focus(seat, seat_get_focus_inactive(seat, con));
container_set_dirty(con->parent);
}
void root_scratchpad_hide(struct sway_container *con) {
struct sway_seat *seat = input_manager_current_seat(input_manager);
struct sway_container *focus = seat_get_focus(seat);
struct sway_container *ws = container_parent(con, C_WORKSPACE);
container_remove_child(con);
arrange_windows(ws);
if (con == focus) {
seat_set_focus(seat, seat_get_focus_inactive(seat, ws));
}
list_move_to_end(root_container.sway_root->scratchpad, con);
}
struct pid_workspace {
pid_t pid;
char *workspace;
struct timespec time_added;
struct sway_container *output;
struct wl_listener output_destroy;
struct wl_list link;
};
static struct wl_list pid_workspaces;
struct sway_container *root_workspace_for_pid(pid_t pid) {
if (!pid_workspaces.prev && !pid_workspaces.next) {
wl_list_init(&pid_workspaces);
return NULL;
}
struct sway_container *ws = NULL;
struct pid_workspace *pw = NULL;
wlr_log(WLR_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;
wlr_log(WLR_DEBUG,
"found pid_workspace for pid %d, workspace %s",
pid, pw->workspace);
goto found;
}
}
pid = get_parent_pid(pid);
} while (pid > 1);
found:
if (pw && pw->workspace) {
ws = workspace_by_name(pw->workspace);
if (!ws) {
wlr_log(WLR_DEBUG,
"Creating workspace %s for pid %d because it disappeared",
pw->workspace, pid);
ws = workspace_create(pw->output, pw->workspace);
}
wl_list_remove(&pw->output_destroy.link);
wl_list_remove(&pw->link);
free(pw->workspace);
free(pw);
}
return ws;
}
static void pw_handle_output_destroy(struct wl_listener *listener, void *data) {
struct pid_workspace *pw = wl_container_of(listener, pw, output_destroy);
pw->output = NULL;
wl_list_remove(&pw->output_destroy.link);
wl_list_init(&pw->output_destroy.link);
}
void root_record_workspace_pid(pid_t pid) {
wlr_log(WLR_DEBUG, "Recording workspace for process %d", pid);
if (!pid_workspaces.prev && !pid_workspaces.next) {
wl_list_init(&pid_workspaces);
}
struct sway_seat *seat = input_manager_current_seat(input_manager);
struct sway_container *ws =
seat_get_focus_inactive(seat, &root_container);
if (ws && ws->type != C_WORKSPACE) {
ws = container_parent(ws, C_WORKSPACE);
}
if (!ws) {
wlr_log(WLR_DEBUG, "Bailing out, no workspace");
return;
}
struct sway_container *output = ws->parent;
if (!output) {
wlr_log(WLR_DEBUG, "Bailing out, no output");
return;
}
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
// Remove expired entries
static const int timeout = 60;
struct pid_workspace *old, *_old;
wl_list_for_each_safe(old, _old, &pid_workspaces, link) {
if (now.tv_sec - old->time_added.tv_sec >= timeout) {
wl_list_remove(&old->output_destroy.link);
wl_list_remove(&old->link);
free(old->workspace);
free(old);
}
}
struct pid_workspace *pw = calloc(1, sizeof(struct pid_workspace));
pw->workspace = strdup(ws->name);
pw->output = output;
pw->pid = pid;
memcpy(&pw->time_added, &now, sizeof(struct timespec));
pw->output_destroy.notify = pw_handle_output_destroy;
wl_signal_add(&output->sway_output->wlr_output->events.destroy,
&pw->output_destroy);
wl_list_insert(&pid_workspaces, &pw->link);
}
void root_for_each_workspace(void (*f)(struct sway_container *con, void *data),
void *data) {
for (int i = 0; i < root_container.children->length; ++i) {
struct sway_container *output = root_container.children->items[i];
output_for_each_workspace(output, f, data);
}
}
void root_for_each_container(void (*f)(struct sway_container *con, void *data),
void *data) {
for (int i = 0; i < root_container.children->length; ++i) {
struct sway_container *output = root_container.children->items[i];
output_for_each_container(output, f, data);
}
// Scratchpad
for (int i = 0; i < root_container.sway_root->scratchpad->length; ++i) {
struct sway_container *container =
root_container.sway_root->scratchpad->items[i];
// If the container has a parent then it's visible on a workspace
// and will have been iterated in the previous for loop. So we only
// iterate the hidden scratchpad containers here.
if (!container->parent) {
f(container, data);
container_for_each_child(container, f, data);
}
}
}
struct sway_container *root_find_output(
bool (*test)(struct sway_container *con, void *data), void *data) {
for (int i = 0; i < root_container.children->length; ++i) {
struct sway_container *output = root_container.children->items[i];
if (test(output, data)) {
return output;
}
}
return NULL;
}
struct sway_container *root_find_workspace(
bool (*test)(struct sway_container *con, void *data), void *data) {
struct sway_container *result = NULL;
for (int i = 0; i < root_container.children->length; ++i) {
struct sway_container *output = root_container.children->items[i];
if ((result = output_find_workspace(output, test, data))) {
return result;
}
}
return NULL;
}
struct sway_container *root_find_container(
bool (*test)(struct sway_container *con, void *data), void *data) {
struct sway_container *result = NULL;
for (int i = 0; i < root_container.children->length; ++i) {
struct sway_container *output = root_container.children->items[i];
if ((result = output_find_container(output, test, data))) {
return result;
}
}
// Scratchpad
for (int i = 0; i < root_container.sway_root->scratchpad->length; ++i) {
struct sway_container *container =
root_container.sway_root->scratchpad->items[i];
if (!container->parent) {
if (test(container, data)) {
return container;
}
if ((result = container_find_child(container, test, data))) {
return result;
}
}
}
return NULL;
}