swayfx/sway/input/seat.c
Jonathan Buch ec713125c6
Simplify raising a container in seat
* Factor out raising a floating window into s separate function to
  enable reuse.
2018-10-03 16:23:14 +02:00

1187 lines
35 KiB
C

#define _XOPEN_SOURCE 700
#define _POSIX_C_SOURCE 199309L
#include <assert.h>
#include <errno.h>
#ifdef __linux__
#include <linux/input-event-codes.h>
#elif __FreeBSD__
#include <dev/evdev/input-event-codes.h>
#endif
#include <strings.h>
#include <time.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include "log.h"
#include "config.h"
#include "sway/debug.h"
#include "sway/desktop.h"
#include "sway/input/cursor.h"
#include "sway/input/input-manager.h"
#include "sway/input/keyboard.h"
#include "sway/input/seat.h"
#include "sway/ipc-server.h"
#include "sway/layers.h"
#include "sway/output.h"
#include "sway/tree/arrange.h"
#include "sway/tree/container.h"
#include "sway/tree/root.h"
#include "sway/tree/view.h"
#include "sway/tree/workspace.h"
static void seat_device_destroy(struct sway_seat_device *seat_device) {
if (!seat_device) {
return;
}
sway_keyboard_destroy(seat_device->keyboard);
wlr_cursor_detach_input_device(seat_device->sway_seat->cursor->cursor,
seat_device->input_device->wlr_device);
wl_list_remove(&seat_device->link);
free(seat_device);
}
void seat_destroy(struct sway_seat *seat) {
struct sway_seat_device *seat_device, *next;
wl_list_for_each_safe(seat_device, next, &seat->devices, link) {
seat_device_destroy(seat_device);
}
sway_cursor_destroy(seat->cursor);
wl_list_remove(&seat->new_node.link);
wl_list_remove(&seat->new_drag_icon.link);
wl_list_remove(&seat->link);
wlr_seat_destroy(seat->wlr_seat);
}
static struct sway_seat_node *seat_node_from_node(
struct sway_seat *seat, struct sway_node *node);
static void seat_node_destroy(struct sway_seat_node *seat_node) {
wl_list_remove(&seat_node->destroy.link);
wl_list_remove(&seat_node->link);
free(seat_node);
}
/**
* Activate all views within this container recursively.
*/
static void seat_send_activate(struct sway_node *node, struct sway_seat *seat) {
if (node_is_view(node)) {
if (!seat_is_input_allowed(seat, node->sway_container->view->surface)) {
wlr_log(WLR_DEBUG, "Refusing to set focus, input is inhibited");
return;
}
view_set_activated(node->sway_container->view, true);
} else {
list_t *children = node_get_children(node);
for (int i = 0; i < children->length; ++i) {
struct sway_container *child = children->items[i];
seat_send_activate(&child->node, seat);
}
}
}
/**
* If con is a view, set it as active and enable keyboard input.
* If con is a container, set all child views as active and don't enable
* keyboard input on any.
*/
static void seat_send_focus(struct sway_node *node, struct sway_seat *seat) {
seat_send_activate(node, seat);
struct sway_view *view = node->type == N_CONTAINER ?
node->sway_container->view : NULL;
if (view && seat_is_input_allowed(seat, view->surface)) {
#ifdef HAVE_XWAYLAND
if (view->type == SWAY_VIEW_XWAYLAND) {
struct wlr_xwayland *xwayland =
seat->input->server->xwayland.wlr_xwayland;
wlr_xwayland_set_seat(xwayland, seat->wlr_seat);
}
#endif
struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(seat->wlr_seat);
if (keyboard) {
wlr_seat_keyboard_notify_enter(seat->wlr_seat,
view->surface, keyboard->keycodes,
keyboard->num_keycodes, &keyboard->modifiers);
} else {
wlr_seat_keyboard_notify_enter(
seat->wlr_seat, view->surface, NULL, 0, NULL);
}
}
}
void seat_for_each_node(struct sway_seat *seat,
void (*f)(struct sway_node *node, void *data), void *data) {
struct sway_seat_node *current = NULL;
wl_list_for_each(current, &seat->focus_stack, link) {
f(current->node, data);
}
}
struct sway_container *seat_get_focus_inactive_view(struct sway_seat *seat,
struct sway_node *ancestor) {
if (ancestor->type == N_CONTAINER && ancestor->sway_container->view) {
return ancestor->sway_container;
}
struct sway_seat_node *current;
wl_list_for_each(current, &seat->focus_stack, link) {
struct sway_node *node = current->node;
if (node->type == N_CONTAINER && node->sway_container->view &&
node_has_ancestor(node, ancestor)) {
return node->sway_container;
}
}
return NULL;
}
static void handle_seat_node_destroy(struct wl_listener *listener, void *data) {
struct sway_seat_node *seat_node =
wl_container_of(listener, seat_node, destroy);
struct sway_seat *seat = seat_node->seat;
struct sway_node *node = seat_node->node;
struct sway_node *parent = node_get_parent(node);
struct sway_node *focus = seat_get_focus(seat);
if (node->type == N_WORKSPACE) {
seat_node_destroy(seat_node);
return;
}
// Even though the container being destroyed might be nowhere near the
// focused container, we still need to set focus_inactive on a sibling of
// the container being destroyed.
bool needs_new_focus = focus &&
(focus == node || node_has_ancestor(focus, node));
seat_node_destroy(seat_node);
// Find new focus_inactive (ie. sibling, or workspace if no siblings left)
struct sway_node *next_focus = NULL;
while (next_focus == NULL) {
struct sway_container *con =
seat_get_focus_inactive_view(seat, parent);
next_focus = con ? &con->node : NULL;
if (next_focus == NULL && parent->type == N_WORKSPACE) {
next_focus = parent;
break;
}
parent = node_get_parent(parent);
}
if (needs_new_focus) {
// The structure change might have caused it to move up to the top of
// the focus stack without sending focus notifications to the view
seat_send_focus(next_focus, seat);
seat_set_focus(seat, next_focus);
} else {
// Setting focus_inactive
seat_set_focus_warp(seat, next_focus, false, false);
seat_set_focus_warp(seat, focus, false, false);
}
}
static struct sway_seat_node *seat_node_from_node(
struct sway_seat *seat, struct sway_node *node) {
if (node->type == N_ROOT || node->type == N_OUTPUT) {
// these don't get seat nodes ever
return NULL;
}
struct sway_seat_node *seat_node = NULL;
wl_list_for_each(seat_node, &seat->focus_stack, link) {
if (seat_node->node == node) {
return seat_node;
}
}
seat_node = calloc(1, sizeof(struct sway_seat_node));
if (seat_node == NULL) {
wlr_log(WLR_ERROR, "could not allocate seat node");
return NULL;
}
seat_node->node = node;
seat_node->seat = seat;
wl_list_insert(seat->focus_stack.prev, &seat_node->link);
wl_signal_add(&node->events.destroy, &seat_node->destroy);
seat_node->destroy.notify = handle_seat_node_destroy;
return seat_node;
}
static void handle_new_node(struct wl_listener *listener, void *data) {
struct sway_seat *seat = wl_container_of(listener, seat, new_node);
struct sway_node *node = data;
seat_node_from_node(seat, node);
}
static void drag_icon_damage_whole(struct sway_drag_icon *icon) {
if (!icon->wlr_drag_icon->mapped) {
return;
}
desktop_damage_surface(icon->wlr_drag_icon->surface, icon->x, icon->y, true);
}
void drag_icon_update_position(struct sway_drag_icon *icon) {
drag_icon_damage_whole(icon);
struct wlr_drag_icon *wlr_icon = icon->wlr_drag_icon;
struct sway_seat *seat = icon->seat;
struct wlr_cursor *cursor = seat->cursor->cursor;
if (wlr_icon->is_pointer) {
icon->x = cursor->x;
icon->y = cursor->y;
} else {
struct wlr_touch_point *point =
wlr_seat_touch_get_point(seat->wlr_seat, wlr_icon->touch_id);
if (point == NULL) {
return;
}
icon->x = seat->touch_x;
icon->y = seat->touch_y;
}
drag_icon_damage_whole(icon);
}
static void drag_icon_handle_surface_commit(struct wl_listener *listener,
void *data) {
struct sway_drag_icon *icon =
wl_container_of(listener, icon, surface_commit);
drag_icon_update_position(icon);
}
static void drag_icon_handle_map(struct wl_listener *listener, void *data) {
struct sway_drag_icon *icon = wl_container_of(listener, icon, map);
drag_icon_damage_whole(icon);
}
static void drag_icon_handle_unmap(struct wl_listener *listener, void *data) {
struct sway_drag_icon *icon = wl_container_of(listener, icon, unmap);
drag_icon_damage_whole(icon);
}
static void drag_icon_handle_destroy(struct wl_listener *listener, void *data) {
struct sway_drag_icon *icon = wl_container_of(listener, icon, destroy);
icon->wlr_drag_icon->data = NULL;
wl_list_remove(&icon->link);
wl_list_remove(&icon->surface_commit.link);
wl_list_remove(&icon->unmap.link);
wl_list_remove(&icon->destroy.link);
free(icon);
}
static void handle_new_drag_icon(struct wl_listener *listener, void *data) {
struct sway_seat *seat = wl_container_of(listener, seat, new_drag_icon);
struct wlr_drag_icon *wlr_drag_icon = data;
struct sway_drag_icon *icon = calloc(1, sizeof(struct sway_drag_icon));
if (icon == NULL) {
wlr_log(WLR_ERROR, "Allocation failed");
return;
}
icon->seat = seat;
icon->wlr_drag_icon = wlr_drag_icon;
wlr_drag_icon->data = icon;
icon->surface_commit.notify = drag_icon_handle_surface_commit;
wl_signal_add(&wlr_drag_icon->surface->events.commit, &icon->surface_commit);
icon->unmap.notify = drag_icon_handle_unmap;
wl_signal_add(&wlr_drag_icon->events.unmap, &icon->unmap);
icon->map.notify = drag_icon_handle_map;
wl_signal_add(&wlr_drag_icon->events.map, &icon->map);
icon->destroy.notify = drag_icon_handle_destroy;
wl_signal_add(&wlr_drag_icon->events.destroy, &icon->destroy);
wl_list_insert(&root->drag_icons, &icon->link);
drag_icon_update_position(icon);
seat_end_mouse_operation(seat);
}
static void collect_focus_iter(struct sway_node *node, void *data) {
struct sway_seat *seat = data;
struct sway_seat_node *seat_node = seat_node_from_node(seat, node);
if (!seat_node) {
return;
}
wl_list_remove(&seat_node->link);
wl_list_insert(&seat->focus_stack, &seat_node->link);
}
static void collect_focus_workspace_iter(struct sway_workspace *workspace,
void *data) {
collect_focus_iter(&workspace->node, data);
}
static void collect_focus_container_iter(struct sway_container *container,
void *data) {
collect_focus_iter(&container->node, data);
}
struct sway_seat *seat_create(struct sway_input_manager *input,
const char *seat_name) {
struct sway_seat *seat = calloc(1, sizeof(struct sway_seat));
if (!seat) {
return NULL;
}
seat->wlr_seat = wlr_seat_create(input->server->wl_display, seat_name);
if (!sway_assert(seat->wlr_seat, "could not allocate seat")) {
free(seat);
return NULL;
}
seat->wlr_seat->data = seat;
seat->cursor = sway_cursor_create(seat);
if (!seat->cursor) {
wlr_seat_destroy(seat->wlr_seat);
free(seat);
return NULL;
}
// init the focus stack
wl_list_init(&seat->focus_stack);
root_for_each_workspace(collect_focus_workspace_iter, seat);
root_for_each_container(collect_focus_container_iter, seat);
wl_signal_add(&root->events.new_node, &seat->new_node);
seat->new_node.notify = handle_new_node;
wl_signal_add(&seat->wlr_seat->events.new_drag_icon, &seat->new_drag_icon);
seat->new_drag_icon.notify = handle_new_drag_icon;
seat->input = input;
wl_list_init(&seat->devices);
wl_list_insert(&input->seats, &seat->link);
return seat;
}
static void seat_update_capabilities(struct sway_seat *seat) {
uint32_t caps = 0;
struct sway_seat_device *seat_device;
wl_list_for_each(seat_device, &seat->devices, link) {
switch (seat_device->input_device->wlr_device->type) {
case WLR_INPUT_DEVICE_KEYBOARD:
caps |= WL_SEAT_CAPABILITY_KEYBOARD;
break;
case WLR_INPUT_DEVICE_POINTER:
caps |= WL_SEAT_CAPABILITY_POINTER;
break;
case WLR_INPUT_DEVICE_TOUCH:
caps |= WL_SEAT_CAPABILITY_TOUCH;
break;
case WLR_INPUT_DEVICE_TABLET_TOOL:
caps |= WL_SEAT_CAPABILITY_POINTER;
break;
case WLR_INPUT_DEVICE_TABLET_PAD:
break;
}
}
wlr_seat_set_capabilities(seat->wlr_seat, caps);
// Hide cursor if seat doesn't have pointer capability
if ((caps & WL_SEAT_CAPABILITY_POINTER) == 0) {
cursor_set_image(seat->cursor, NULL, NULL);
} else {
cursor_set_image(seat->cursor, "left_ptr", NULL);
}
}
static void seat_apply_input_config(struct sway_seat *seat,
struct sway_seat_device *sway_device) {
const char *mapped_to_output = NULL;
struct input_config *ic = input_device_get_config(
sway_device->input_device);
if (ic != NULL) {
wlr_log(WLR_DEBUG, "Applying input config to %s",
sway_device->input_device->identifier);
mapped_to_output = ic->mapped_to_output;
}
if (mapped_to_output == NULL) {
mapped_to_output = sway_device->input_device->wlr_device->output_name;
}
if (mapped_to_output != NULL) {
wlr_log(WLR_DEBUG, "Mapping input device %s to output %s",
sway_device->input_device->identifier, mapped_to_output);
struct sway_output *output = output_by_name(mapped_to_output);
if (output) {
wlr_cursor_map_input_to_output(seat->cursor->cursor,
sway_device->input_device->wlr_device, output->wlr_output);
wlr_log(WLR_DEBUG, "Mapped to output %s", output->wlr_output->name);
}
}
}
static void seat_configure_pointer(struct sway_seat *seat,
struct sway_seat_device *sway_device) {
seat_configure_xcursor(seat);
wlr_cursor_attach_input_device(seat->cursor->cursor,
sway_device->input_device->wlr_device);
seat_apply_input_config(seat, sway_device);
}
static void seat_configure_keyboard(struct sway_seat *seat,
struct sway_seat_device *seat_device) {
if (!seat_device->keyboard) {
sway_keyboard_create(seat, seat_device);
}
struct wlr_keyboard *wlr_keyboard =
seat_device->input_device->wlr_device->keyboard;
sway_keyboard_configure(seat_device->keyboard);
wlr_seat_set_keyboard(seat->wlr_seat,
seat_device->input_device->wlr_device);
struct sway_node *focus = seat_get_focus(seat);
if (focus && node_is_view(focus)) {
// force notify reenter to pick up the new configuration
wlr_seat_keyboard_clear_focus(seat->wlr_seat);
wlr_seat_keyboard_notify_enter(seat->wlr_seat,
focus->sway_container->view->surface, wlr_keyboard->keycodes,
wlr_keyboard->num_keycodes, &wlr_keyboard->modifiers);
}
}
static void seat_configure_touch(struct sway_seat *seat,
struct sway_seat_device *sway_device) {
wlr_cursor_attach_input_device(seat->cursor->cursor,
sway_device->input_device->wlr_device);
seat_apply_input_config(seat, sway_device);
}
static void seat_configure_tablet_tool(struct sway_seat *seat,
struct sway_seat_device *sway_device) {
wlr_cursor_attach_input_device(seat->cursor->cursor,
sway_device->input_device->wlr_device);
seat_apply_input_config(seat, sway_device);
}
static struct sway_seat_device *seat_get_device(struct sway_seat *seat,
struct sway_input_device *input_device) {
struct sway_seat_device *seat_device = NULL;
wl_list_for_each(seat_device, &seat->devices, link) {
if (seat_device->input_device == input_device) {
return seat_device;
}
}
return NULL;
}
void seat_configure_device(struct sway_seat *seat,
struct sway_input_device *input_device) {
struct sway_seat_device *seat_device = seat_get_device(seat, input_device);
if (!seat_device) {
return;
}
switch (input_device->wlr_device->type) {
case WLR_INPUT_DEVICE_POINTER:
seat_configure_pointer(seat, seat_device);
break;
case WLR_INPUT_DEVICE_KEYBOARD:
seat_configure_keyboard(seat, seat_device);
break;
case WLR_INPUT_DEVICE_TOUCH:
seat_configure_touch(seat, seat_device);
break;
case WLR_INPUT_DEVICE_TABLET_TOOL:
seat_configure_tablet_tool(seat, seat_device);
break;
case WLR_INPUT_DEVICE_TABLET_PAD:
wlr_log(WLR_DEBUG, "TODO: configure tablet pad");
break;
}
}
void seat_add_device(struct sway_seat *seat,
struct sway_input_device *input_device) {
if (seat_get_device(seat, input_device)) {
seat_configure_device(seat, input_device);
return;
}
struct sway_seat_device *seat_device =
calloc(1, sizeof(struct sway_seat_device));
if (!seat_device) {
wlr_log(WLR_DEBUG, "could not allocate seat device");
return;
}
wlr_log(WLR_DEBUG, "adding device %s to seat %s",
input_device->identifier, seat->wlr_seat->name);
seat_device->sway_seat = seat;
seat_device->input_device = input_device;
wl_list_insert(&seat->devices, &seat_device->link);
seat_configure_device(seat, input_device);
seat_update_capabilities(seat);
}
void seat_remove_device(struct sway_seat *seat,
struct sway_input_device *input_device) {
struct sway_seat_device *seat_device = seat_get_device(seat, input_device);
if (!seat_device) {
return;
}
wlr_log(WLR_DEBUG, "removing device %s from seat %s",
input_device->identifier, seat->wlr_seat->name);
seat_device_destroy(seat_device);
seat_update_capabilities(seat);
}
void seat_configure_xcursor(struct sway_seat *seat) {
// TODO configure theme and size
const char *cursor_theme = NULL;
if (!seat->cursor->xcursor_manager) {
seat->cursor->xcursor_manager =
wlr_xcursor_manager_create(cursor_theme, 24);
if (sway_assert(seat->cursor->xcursor_manager,
"Cannot create XCursor manager for theme %s",
cursor_theme)) {
return;
}
}
for (int i = 0; i < root->outputs->length; ++i) {
struct sway_output *sway_output = root->outputs->items[i];
struct wlr_output *output = sway_output->wlr_output;
bool result =
wlr_xcursor_manager_load(seat->cursor->xcursor_manager,
output->scale);
sway_assert(!result,
"Cannot load xcursor theme for output '%s' with scale %f",
// TODO: Fractional scaling
output->name, (double)output->scale);
}
cursor_set_image(seat->cursor, "left_ptr", NULL);
wlr_cursor_warp(seat->cursor->cursor, NULL, seat->cursor->cursor->x,
seat->cursor->cursor->y);
}
bool seat_is_input_allowed(struct sway_seat *seat,
struct wlr_surface *surface) {
struct wl_client *client = wl_resource_get_client(surface->resource);
return !seat->exclusive_client || seat->exclusive_client == client;
}
static void send_unfocus(struct sway_container *con, void *data) {
if (con->view) {
view_set_activated(con->view, false);
}
}
// Unfocus the container and any children (eg. when leaving `focus parent`)
static void seat_send_unfocus(struct sway_node *node, struct sway_seat *seat) {
wlr_seat_keyboard_clear_focus(seat->wlr_seat);
if (node->type == N_WORKSPACE) {
workspace_for_each_container(node->sway_workspace, send_unfocus, seat);
} else {
send_unfocus(node->sway_container, seat);
container_for_each_child(node->sway_container, send_unfocus, seat);
}
}
static int handle_urgent_timeout(void *data) {
struct sway_view *view = data;
view_set_urgent(view, false);
return 0;
}
static void container_raise_floating(struct sway_container *con) {
// Bring container to front by putting it at the end of the floating list.
struct sway_container *floater = con;
while (floater->parent) {
floater = floater->parent;
}
if (container_is_floating(floater)) {
list_move_to_end(floater->workspace->floating, floater);
node_set_dirty(&floater->workspace->node);
}
}
void seat_set_focus_warp(struct sway_seat *seat, struct sway_node *node,
bool warp, bool notify) {
if (seat->focused_layer) {
return;
}
struct sway_node *last_focus = seat_get_focus(seat);
if (last_focus == node) {
return;
}
struct sway_workspace *last_workspace = seat_get_focused_workspace(seat);
if (node == NULL) {
// Close any popups on the old focus
if (node_is_view(last_focus)) {
view_close_popups(last_focus->sway_container->view);
}
seat_send_unfocus(last_focus, seat);
seat->has_focus = false;
update_debug_tree();
return;
}
struct sway_workspace *new_workspace = node->type == N_WORKSPACE ?
node->sway_workspace : node->sway_container->workspace;
struct sway_container *container = node->type == N_CONTAINER ?
node->sway_container : NULL;
// Deny setting focus to a view which is hidden by a fullscreen container
if (new_workspace && new_workspace->fullscreen && container &&
!container_is_fullscreen_or_child(container)) {
return;
}
struct sway_output *last_output = last_workspace ?
last_workspace->output : NULL;
struct sway_output *new_output = new_workspace->output;
if (last_workspace != new_workspace && new_output) {
node_set_dirty(&new_output->node);
}
// find new output's old workspace, which might have to be removed if empty
struct sway_workspace *new_output_last_ws = NULL;
if (new_output && last_output != new_output) {
new_output_last_ws = output_get_active_workspace(new_output);
}
// Unfocus the previous focus
if (last_focus) {
seat_send_unfocus(last_focus, seat);
node_set_dirty(last_focus);
struct sway_node *parent = node_get_parent(last_focus);
if (parent) {
node_set_dirty(parent);
}
}
// Put the container parents on the focus stack, then the workspace, then
// the focused container.
if (container) {
struct sway_container *parent = container->parent;
while (parent) {
struct sway_seat_node *seat_node =
seat_node_from_node(seat, &parent->node);
wl_list_remove(&seat_node->link);
wl_list_insert(&seat->focus_stack, &seat_node->link);
node_set_dirty(&parent->node);
parent = parent->parent;
}
}
if (new_workspace) {
struct sway_seat_node *seat_node =
seat_node_from_node(seat, &new_workspace->node);
wl_list_remove(&seat_node->link);
wl_list_insert(&seat->focus_stack, &seat_node->link);
node_set_dirty(&new_workspace->node);
}
if (container) {
struct sway_seat_node *seat_node =
seat_node_from_node(seat, &container->node);
wl_list_remove(&seat_node->link);
wl_list_insert(&seat->focus_stack, &seat_node->link);
node_set_dirty(&container->node);
seat_send_focus(&container->node, seat);
}
// emit ipc events
if (notify && new_workspace && last_workspace != new_workspace) {
ipc_event_workspace(last_workspace, new_workspace, "focus");
}
if (container && container->view) {
ipc_event_window(container, "focus");
}
if (new_output_last_ws) {
workspace_consider_destroy(new_output_last_ws);
}
// Close any popups on the old focus
if (last_focus && node_is_view(last_focus)) {
view_close_popups(last_focus->sway_container->view);
}
// If urgent, either unset the urgency or start a timer to unset it
if (container && container->view && view_is_urgent(container->view) &&
!container->view->urgent_timer) {
struct sway_view *view = container->view;
if (last_workspace && last_workspace != new_workspace &&
config->urgent_timeout > 0) {
view->urgent_timer = wl_event_loop_add_timer(server.wl_event_loop,
handle_urgent_timeout, view);
if (view->urgent_timer) {
wl_event_source_timer_update(view->urgent_timer,
config->urgent_timeout);
} else {
wlr_log(WLR_ERROR, "Unable to create urgency timer (%s)",
strerror(errno));
handle_urgent_timeout(view);
}
} else {
view_set_urgent(view, false);
}
}
// If we've focused a floating container, bring it to the front.
if (container && config->raise_floating) {
container_raise_floating(container);
}
if (last_focus) {
if (last_workspace) {
workspace_consider_destroy(last_workspace);
}
if (config->mouse_warping && warp && new_output != last_output) {
double x = 0;
double y = 0;
if (container) {
x = container->x + container->width / 2.0;
y = container->y + container->height / 2.0;
} else {
x = new_workspace->x + new_workspace->width / 2.0;
y = new_workspace->y + new_workspace->height / 2.0;
}
if (!wlr_output_layout_contains_point(root->output_layout,
new_output->wlr_output, seat->cursor->cursor->x,
seat->cursor->cursor->y)) {
wlr_cursor_warp(seat->cursor->cursor, NULL, x, y);
cursor_send_pointer_motion(seat->cursor, 0, true);
}
}
}
seat->has_focus = true;
if (config->smart_gaps) {
// When smart gaps is on, gaps may change when the focus changes so
// the workspace needs to be arranged
arrange_workspace(new_workspace);
}
update_debug_tree();
}
void seat_set_focus(struct sway_seat *seat, struct sway_node *node) {
seat_set_focus_warp(seat, node, true, true);
}
void seat_set_focus_container(struct sway_seat *seat,
struct sway_container *con) {
seat_set_focus_warp(seat, con ? &con->node : NULL, true, true);
}
void seat_set_focus_workspace(struct sway_seat *seat,
struct sway_workspace *ws) {
seat_set_focus_warp(seat, ws ? &ws->node : NULL, true, true);
}
void seat_set_focus_surface(struct sway_seat *seat,
struct wlr_surface *surface, bool unfocus) {
if (seat->focused_layer != NULL) {
return;
}
if (seat->has_focus && unfocus) {
struct sway_node *focus = seat_get_focus(seat);
seat_send_unfocus(focus, seat);
seat->has_focus = false;
}
struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(seat->wlr_seat);
if (keyboard) {
wlr_seat_keyboard_notify_enter(seat->wlr_seat, surface,
keyboard->keycodes, keyboard->num_keycodes, &keyboard->modifiers);
} else {
wlr_seat_keyboard_notify_enter(seat->wlr_seat, surface, NULL, 0, NULL);
}
}
void seat_set_focus_layer(struct sway_seat *seat,
struct wlr_layer_surface_v1 *layer) {
if (!layer && seat->focused_layer) {
seat->focused_layer = NULL;
struct sway_node *previous = seat_get_focus_inactive(seat, &root->node);
if (previous) {
// Hack to get seat to re-focus the return value of get_focus
seat_set_focus(seat, NULL);
seat_set_focus(seat, previous);
}
return;
} else if (!layer || seat->focused_layer == layer) {
return;
}
seat_set_focus_surface(seat, layer->surface, true);
if (layer->layer >= ZWLR_LAYER_SHELL_V1_LAYER_TOP) {
seat->focused_layer = layer;
}
}
void seat_set_exclusive_client(struct sway_seat *seat,
struct wl_client *client) {
if (!client) {
seat->exclusive_client = client;
// Triggers a refocus of the topmost surface layer if necessary
// TODO: Make layer surface focus per-output based on cursor position
for (int i = 0; i < root->outputs->length; ++i) {
struct sway_output *output = root->outputs->items[i];
arrange_layers(output);
}
return;
}
if (seat->focused_layer) {
if (wl_resource_get_client(seat->focused_layer->resource) != client) {
seat_set_focus_layer(seat, NULL);
}
}
if (seat->has_focus) {
struct sway_node *focus = seat_get_focus(seat);
if (node_is_view(focus) && wl_resource_get_client(
focus->sway_container->view->surface->resource) != client) {
seat_set_focus(seat, NULL);
}
}
if (seat->wlr_seat->pointer_state.focused_client) {
if (seat->wlr_seat->pointer_state.focused_client->client != client) {
wlr_seat_pointer_clear_focus(seat->wlr_seat);
}
}
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
struct wlr_touch_point *point;
wl_list_for_each(point, &seat->wlr_seat->touch_state.touch_points, link) {
if (point->client->client != client) {
wlr_seat_touch_point_clear_focus(seat->wlr_seat,
now.tv_nsec / 1000, point->touch_id);
}
}
seat->exclusive_client = client;
}
struct sway_node *seat_get_focus_inactive(struct sway_seat *seat,
struct sway_node *node) {
if (node_is_view(node)) {
return node;
}
struct sway_seat_node *current;
wl_list_for_each(current, &seat->focus_stack, link) {
if (node_has_ancestor(current->node, node)) {
return current->node;
}
}
if (node->type == N_WORKSPACE) {
return node;
}
return NULL;
}
struct sway_container *seat_get_focus_inactive_tiling(struct sway_seat *seat,
struct sway_workspace *workspace) {
if (!workspace->tiling->length) {
return NULL;
}
struct sway_seat_node *current;
wl_list_for_each(current, &seat->focus_stack, link) {
struct sway_node *node = current->node;
if (node->type == N_CONTAINER &&
!container_is_floating_or_child(node->sway_container) &&
node->sway_container->workspace == workspace) {
return node->sway_container;
}
}
return NULL;
}
struct sway_container *seat_get_focus_inactive_floating(struct sway_seat *seat,
struct sway_workspace *workspace) {
if (!workspace->floating->length) {
return NULL;
}
struct sway_seat_node *current;
wl_list_for_each(current, &seat->focus_stack, link) {
struct sway_node *node = current->node;
if (node->type == N_CONTAINER &&
container_is_floating_or_child(node->sway_container) &&
node->sway_container->workspace == workspace) {
return node->sway_container;
}
}
return NULL;
}
struct sway_node *seat_get_active_tiling_child(struct sway_seat *seat,
struct sway_node *parent) {
if (node_is_view(parent)) {
return parent;
}
struct sway_seat_node *current;
wl_list_for_each(current, &seat->focus_stack, link) {
struct sway_node *node = current->node;
if (node_get_parent(node) != parent) {
continue;
}
if (parent->type == N_WORKSPACE) {
// Only consider tiling children
struct sway_workspace *ws = parent->sway_workspace;
if (list_find(ws->tiling, node->sway_container) == -1) {
continue;
}
}
return node;
}
return NULL;
}
struct sway_node *seat_get_focus(struct sway_seat *seat) {
if (!seat->has_focus) {
return NULL;
}
if (wl_list_length(&seat->focus_stack) == 0) {
return NULL;
}
struct sway_seat_node *current =
wl_container_of(seat->focus_stack.next, current, link);
return current->node;
}
struct sway_workspace *seat_get_focused_workspace(struct sway_seat *seat) {
struct sway_node *focus = seat_get_focus(seat);
if (!focus) {
return NULL;
}
if (focus->type == N_CONTAINER) {
return focus->sway_container->workspace;
}
if (focus->type == N_WORKSPACE) {
return focus->sway_workspace;
}
return NULL; // unreachable
}
struct sway_container *seat_get_focused_container(struct sway_seat *seat) {
struct sway_node *focus = seat_get_focus(seat);
if (focus && focus->type == N_CONTAINER) {
return focus->sway_container;
}
return NULL;
}
void seat_apply_config(struct sway_seat *seat,
struct seat_config *seat_config) {
struct sway_seat_device *seat_device = NULL;
if (!seat_config) {
return;
}
wl_list_for_each(seat_device, &seat->devices, link) {
seat_configure_device(seat, seat_device->input_device);
}
}
struct seat_config *seat_get_config(struct sway_seat *seat) {
struct seat_config *seat_config = NULL;
for (int i = 0; i < config->seat_configs->length; ++i ) {
seat_config = config->seat_configs->items[i];
if (strcmp(seat->wlr_seat->name, seat_config->name) == 0) {
return seat_config;
}
}
return NULL;
}
void seat_begin_down(struct sway_seat *seat, struct sway_container *con,
uint32_t button, double sx, double sy) {
seat->operation = OP_DOWN;
seat->op_container = con;
seat->op_button = button;
seat->op_ref_lx = seat->cursor->cursor->x;
seat->op_ref_ly = seat->cursor->cursor->y;
seat->op_ref_con_lx = sx;
seat->op_ref_con_ly = sy;
seat->op_moved = false;
// In case the container was not raised by gaining focus, raise on click
if (con && !config->raise_floating) {
container_raise_floating(con);
}
}
void seat_begin_move_floating(struct sway_seat *seat,
struct sway_container *con, uint32_t button) {
if (!seat->cursor) {
wlr_log(WLR_DEBUG, "Ignoring move request due to no cursor device");
return;
}
seat->operation = OP_MOVE_FLOATING;
seat->op_container = con;
seat->op_button = button;
cursor_set_image(seat->cursor, "grab", NULL);
}
void seat_begin_move_tiling(struct sway_seat *seat,
struct sway_container *con, uint32_t button) {
seat->operation = OP_MOVE_TILING;
seat->op_container = con;
seat->op_button = button;
seat->op_target_node = NULL;
seat->op_target_edge = 0;
cursor_set_image(seat->cursor, "grab", NULL);
}
void seat_begin_resize_floating(struct sway_seat *seat,
struct sway_container *con, uint32_t button, enum wlr_edges edge) {
if (!seat->cursor) {
wlr_log(WLR_DEBUG, "Ignoring resize request due to no cursor device");
return;
}
struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(seat->wlr_seat);
seat->operation = OP_RESIZE_FLOATING;
seat->op_container = con;
seat->op_resize_preserve_ratio = keyboard &&
(wlr_keyboard_get_modifiers(keyboard) & WLR_MODIFIER_SHIFT);
seat->op_resize_edge = edge == WLR_EDGE_NONE ?
WLR_EDGE_BOTTOM | WLR_EDGE_RIGHT : edge;
seat->op_button = button;
seat->op_ref_lx = seat->cursor->cursor->x;
seat->op_ref_ly = seat->cursor->cursor->y;
seat->op_ref_con_lx = con->x;
seat->op_ref_con_ly = con->y;
seat->op_ref_width = con->width;
seat->op_ref_height = con->height;
const char *image = edge == WLR_EDGE_NONE ?
"se-resize" : wlr_xcursor_get_resize_name(edge);
cursor_set_image(seat->cursor, image, NULL);
}
void seat_begin_resize_tiling(struct sway_seat *seat,
struct sway_container *con, uint32_t button, enum wlr_edges edge) {
seat->operation = OP_RESIZE_TILING;
seat->op_container = con;
seat->op_resize_edge = edge;
seat->op_button = button;
seat->op_ref_lx = seat->cursor->cursor->x;
seat->op_ref_ly = seat->cursor->cursor->y;
seat->op_ref_con_lx = con->x;
seat->op_ref_con_ly = con->y;
seat->op_ref_width = con->width;
seat->op_ref_height = con->height;
}
static bool is_parallel(enum sway_container_layout layout,
enum wlr_edges edge) {
bool layout_is_horiz = layout == L_HORIZ || layout == L_TABBED;
bool edge_is_horiz = edge == WLR_EDGE_LEFT || edge == WLR_EDGE_RIGHT;
return layout_is_horiz == edge_is_horiz;
}
static void seat_end_move_tiling(struct sway_seat *seat) {
struct sway_container *con = seat->op_container;
struct sway_container *old_parent = con->parent;
struct sway_workspace *old_ws = con->workspace;
struct sway_node *target_node = seat->op_target_node;
struct sway_workspace *new_ws = target_node->type == N_WORKSPACE ?
target_node->sway_workspace : target_node->sway_container->workspace;
enum wlr_edges edge = seat->op_target_edge;
int after = edge != WLR_EDGE_TOP && edge != WLR_EDGE_LEFT;
container_detach(con);
if (old_parent) {
container_reap_empty(old_parent);
}
// Moving container into empty workspace
if (target_node->type == N_WORKSPACE && edge == WLR_EDGE_NONE) {
workspace_add_tiling(new_ws, con);
} else if (target_node->type == N_CONTAINER) {
// Moving container before/after another
struct sway_container *target = target_node->sway_container;
enum sway_container_layout layout = container_parent_layout(target);
if (edge && !is_parallel(layout, edge)) {
enum sway_container_layout new_layout = edge == WLR_EDGE_TOP ||
edge == WLR_EDGE_BOTTOM ? L_VERT : L_HORIZ;
container_split(target, new_layout);
}
container_add_sibling(target, con, after);
} else {
// Target is a workspace which requires splitting
enum sway_container_layout new_layout = edge == WLR_EDGE_TOP ||
edge == WLR_EDGE_BOTTOM ? L_VERT : L_HORIZ;
workspace_split(new_ws, new_layout);
workspace_insert_tiling(new_ws, con, after);
}
// This is a bit dirty, but we'll set the dimensions to that of a sibling.
// I don't think there's any other way to make it consistent without
// changing how we auto-size containers.
list_t *siblings = container_get_siblings(con);
if (siblings->length > 1) {
int index = list_find(siblings, con);
struct sway_container *sibling = index == 0 ?
siblings->items[1] : siblings->items[index - 1];
con->width = sibling->width;
con->height = sibling->height;
}
arrange_workspace(old_ws);
if (new_ws != old_ws) {
arrange_workspace(new_ws);
}
}
void seat_end_mouse_operation(struct sway_seat *seat) {
enum sway_seat_operation operation = seat->operation;
if (seat->operation == OP_MOVE_FLOATING) {
// We "move" the container to its own location so it discovers its
// output again.
struct sway_container *con = seat->op_container;
container_floating_move_to(con, con->x, con->y);
} else if (seat->operation == OP_MOVE_TILING && seat->op_target_node) {
seat_end_move_tiling(seat);
}
seat->operation = OP_NONE;
seat->op_container = NULL;
if (operation == OP_DOWN) {
// Set the cursor's previous coords to the x/y at the start of the
// operation, so the container change will be detected if using
// focus_follows_mouse and the cursor moved off the original container
// during the operation.
seat->cursor->previous.x = seat->op_ref_lx;
seat->cursor->previous.y = seat->op_ref_ly;
if (seat->op_moved) {
cursor_send_pointer_motion(seat->cursor, 0, true);
}
} else {
cursor_set_image(seat->cursor, "left_ptr", NULL);
}
}
void seat_pointer_notify_button(struct sway_seat *seat, uint32_t time_msec,
uint32_t button, enum wlr_button_state state) {
seat->last_button = button;
seat->last_button_serial = wlr_seat_pointer_notify_button(seat->wlr_seat,
time_msec, button, state);
}