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cursor.c
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cursor.c
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#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <math.h>
#include <libevdev/libevdev.h>
#include <linux/input-event-codes.h>
#include <errno.h>
#include <strings.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_idle.h>
#include <wlr/types/wlr_tablet_v2.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/util/region.h>
#include "config.h"
#include "log.h"
#include "util.h"
#include "sway/commands.h"
#include "sway/desktop.h"
#include "sway/desktop/transaction.h"
#include "sway/input/cursor.h"
#include "sway/input/keyboard.h"
#include "sway/input/tablet.h"
#include "sway/layers.h"
#include "sway/output.h"
#include "sway/tree/container.h"
#include "sway/tree/root.h"
#include "sway/tree/view.h"
#include "sway/tree/workspace.h"
#include "wlr-layer-shell-unstable-v1-protocol.h"
static struct wlr_surface *layer_surface_at(struct sway_output *output,
struct wl_list *layer, double ox, double oy, double *sx, double *sy) {
struct sway_layer_surface *sway_layer;
wl_list_for_each_reverse(sway_layer, layer, link) {
double _sx = ox - sway_layer->geo.x;
double _sy = oy - sway_layer->geo.y;
struct wlr_surface *sub = wlr_layer_surface_v1_surface_at(
sway_layer->layer_surface, _sx, _sy, sx, sy);
if (sub) {
return sub;
}
}
return NULL;
}
static bool surface_is_xdg_popup(struct wlr_surface *surface) {
if (wlr_surface_is_xdg_surface(surface)) {
struct wlr_xdg_surface *xdg_surface =
wlr_xdg_surface_from_wlr_surface(surface);
return xdg_surface->role == WLR_XDG_SURFACE_ROLE_POPUP;
}
return false;
}
static struct wlr_surface *layer_surface_popup_at(struct sway_output *output,
struct wl_list *layer, double ox, double oy, double *sx, double *sy) {
struct sway_layer_surface *sway_layer;
wl_list_for_each_reverse(sway_layer, layer, link) {
double _sx = ox - sway_layer->geo.x;
double _sy = oy - sway_layer->geo.y;
struct wlr_surface *sub = wlr_layer_surface_v1_surface_at(
sway_layer->layer_surface, _sx, _sy, sx, sy);
if (sub && surface_is_xdg_popup(sub)) {
return sub;
}
}
return NULL;
}
/**
* Returns the node at the cursor's position. If there is a surface at that
* location, it is stored in **surface (it may not be a view).
*/
struct sway_node *node_at_coords(
struct sway_seat *seat, double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy) {
// check for unmanaged views first
#if HAVE_XWAYLAND
struct wl_list *unmanaged = &root->xwayland_unmanaged;
struct sway_xwayland_unmanaged *unmanaged_surface;
wl_list_for_each_reverse(unmanaged_surface, unmanaged, link) {
struct wlr_xwayland_surface *xsurface =
unmanaged_surface->wlr_xwayland_surface;
double _sx = lx - unmanaged_surface->lx;
double _sy = ly - unmanaged_surface->ly;
if (wlr_surface_point_accepts_input(xsurface->surface, _sx, _sy)) {
*surface = xsurface->surface;
*sx = _sx;
*sy = _sy;
return NULL;
}
}
#endif
// find the output the cursor is on
struct wlr_output *wlr_output = wlr_output_layout_output_at(
root->output_layout, lx, ly);
if (wlr_output == NULL) {
return NULL;
}
struct sway_output *output = wlr_output->data;
if (!output || !output->enabled) {
// output is being destroyed or is being enabled
return NULL;
}
double ox = lx, oy = ly;
wlr_output_layout_output_coords(root->output_layout, wlr_output, &ox, &oy);
if (root->fullscreen_global) {
// Try fullscreen container
struct sway_container *con = tiling_container_at(
&root->fullscreen_global->node, lx, ly, surface, sx, sy);
if (con) {
return &con->node;
}
return NULL;
}
// find the focused workspace on the output for this seat
struct sway_workspace *ws = output_get_active_workspace(output);
if (!ws) {
return NULL;
}
if ((*surface = layer_surface_at(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
ox, oy, sx, sy))) {
return NULL;
}
if (ws->fullscreen) {
// Try transient containers
for (int i = 0; i < ws->floating->length; ++i) {
struct sway_container *floater = ws->floating->items[i];
if (container_is_transient_for(floater, ws->fullscreen)) {
struct sway_container *con = tiling_container_at(
&floater->node, lx, ly, surface, sx, sy);
if (con) {
return &con->node;
}
}
}
// Try fullscreen container
struct sway_container *con =
tiling_container_at(&ws->fullscreen->node, lx, ly, surface, sx, sy);
if (con) {
return &con->node;
}
return NULL;
}
if ((*surface = layer_surface_popup_at(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
ox, oy, sx, sy))) {
return NULL;
}
if ((*surface = layer_surface_popup_at(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
ox, oy, sx, sy))) {
return NULL;
}
if ((*surface = layer_surface_popup_at(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
ox, oy, sx, sy))) {
return NULL;
}
if ((*surface = layer_surface_at(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
ox, oy, sx, sy))) {
return NULL;
}
struct sway_container *c;
if ((c = container_at(ws, lx, ly, surface, sx, sy))) {
return &c->node;
}
if ((*surface = layer_surface_at(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
ox, oy, sx, sy))) {
return NULL;
}
if ((*surface = layer_surface_at(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
ox, oy, sx, sy))) {
return NULL;
}
return &ws->node;
}
void cursor_rebase(struct sway_cursor *cursor) {
uint32_t time_msec = get_current_time_msec();
seatop_rebase(cursor->seat, time_msec);
}
void cursor_rebase_all(void) {
if (!root->outputs->length) {
return;
}
struct sway_seat *seat;
wl_list_for_each(seat, &server.input->seats, link) {
cursor_rebase(seat->cursor);
}
}
void cursor_update_image(struct sway_cursor *cursor,
struct sway_node *node) {
if (node && node->type == N_CONTAINER) {
// Try a node's resize edge
enum wlr_edges edge = find_resize_edge(node->sway_container, NULL, cursor);
if (edge == WLR_EDGE_NONE) {
cursor_set_image(cursor, "left_ptr", NULL);
} else if (container_is_floating(node->sway_container)) {
cursor_set_image(cursor, wlr_xcursor_get_resize_name(edge), NULL);
} else {
if (edge & (WLR_EDGE_LEFT | WLR_EDGE_RIGHT)) {
cursor_set_image(cursor, "col-resize", NULL);
} else {
cursor_set_image(cursor, "row-resize", NULL);
}
}
} else {
cursor_set_image(cursor, "left_ptr", NULL);
}
}
static void cursor_hide(struct sway_cursor *cursor) {
wlr_cursor_set_image(cursor->cursor, NULL, 0, 0, 0, 0, 0, 0);
cursor->hidden = true;
wlr_seat_pointer_notify_clear_focus(cursor->seat->wlr_seat);
}
static int hide_notify(void *data) {
struct sway_cursor *cursor = data;
cursor_hide(cursor);
return 1;
}
int cursor_get_timeout(struct sway_cursor *cursor) {
if (cursor->pressed_button_count > 0) {
// Do not hide cursor unless all buttons are released
return 0;
}
struct seat_config *sc = seat_get_config(cursor->seat);
if (!sc) {
sc = seat_get_config_by_name("*");
}
int timeout = sc ? sc->hide_cursor_timeout : 0;
if (timeout < 0) {
timeout = 0;
}
return timeout;
}
static enum sway_input_idle_source idle_source_from_device(
struct wlr_input_device *device) {
switch (device->type) {
case WLR_INPUT_DEVICE_KEYBOARD:
return IDLE_SOURCE_KEYBOARD;
case WLR_INPUT_DEVICE_POINTER:
return IDLE_SOURCE_POINTER;
case WLR_INPUT_DEVICE_TOUCH:
return IDLE_SOURCE_TOUCH;
case WLR_INPUT_DEVICE_TABLET_TOOL:
return IDLE_SOURCE_TABLET_TOOL;
case WLR_INPUT_DEVICE_TABLET_PAD:
return IDLE_SOURCE_TABLET_PAD;
case WLR_INPUT_DEVICE_SWITCH:
return IDLE_SOURCE_SWITCH;
}
abort();
}
void cursor_handle_activity(struct sway_cursor *cursor,
struct wlr_input_device *device) {
wl_event_source_timer_update(
cursor->hide_source, cursor_get_timeout(cursor));
enum sway_input_idle_source idle_source = idle_source_from_device(device);
seat_idle_notify_activity(cursor->seat, idle_source);
if (cursor->hidden && idle_source != IDLE_SOURCE_TOUCH) {
cursor_unhide(cursor);
}
}
void cursor_unhide(struct sway_cursor *cursor) {
cursor->hidden = false;
if (cursor->image_surface) {
cursor_set_image_surface(cursor,
cursor->image_surface,
cursor->hotspot_x,
cursor->hotspot_y,
cursor->image_client);
} else {
const char *image = cursor->image;
cursor->image = NULL;
cursor_set_image(cursor, image, cursor->image_client);
}
cursor_rebase(cursor);
}
static void pointer_motion(struct sway_cursor *cursor, uint32_t time_msec,
struct wlr_input_device *device, double dx, double dy,
double dx_unaccel, double dy_unaccel) {
wlr_relative_pointer_manager_v1_send_relative_motion(
server.relative_pointer_manager,
cursor->seat->wlr_seat, (uint64_t)time_msec * 1000,
dx, dy, dx_unaccel, dy_unaccel);
// Only apply pointer constraints to real pointer input.
if (cursor->active_constraint && device->type == WLR_INPUT_DEVICE_POINTER) {
struct wlr_surface *surface = NULL;
double sx, sy;
node_at_coords(cursor->seat,
cursor->cursor->x, cursor->cursor->y, &surface, &sx, &sy);
if (cursor->active_constraint->surface != surface) {
return;
}
double sx_confined, sy_confined;
if (!wlr_region_confine(&cursor->confine, sx, sy, sx + dx, sy + dy,
&sx_confined, &sy_confined)) {
return;
}
dx = sx_confined - sx;
dy = sy_confined - sy;
}
wlr_cursor_move(cursor->cursor, device, dx, dy);
seatop_pointer_motion(cursor->seat, time_msec, dx, dy);
}
static void handle_pointer_motion_relative(
struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(listener, cursor, motion);
struct wlr_event_pointer_motion *e = data;
cursor_handle_activity(cursor, e->device);
pointer_motion(cursor, e->time_msec, e->device, e->delta_x, e->delta_y,
e->unaccel_dx, e->unaccel_dy);
transaction_commit_dirty();
}
static void handle_pointer_motion_absolute(
struct wl_listener *listener, void *data) {
struct sway_cursor *cursor =
wl_container_of(listener, cursor, motion_absolute);
struct wlr_event_pointer_motion_absolute *event = data;
cursor_handle_activity(cursor, event->device);
double lx, ly;
wlr_cursor_absolute_to_layout_coords(cursor->cursor, event->device,
event->x, event->y, &lx, &ly);
double dx = lx - cursor->cursor->x;
double dy = ly - cursor->cursor->y;
pointer_motion(cursor, event->time_msec, event->device, dx, dy, dx, dy);
transaction_commit_dirty();
}
void dispatch_cursor_button(struct sway_cursor *cursor,
struct wlr_input_device *device, uint32_t time_msec, uint32_t button,
enum wlr_button_state state) {
if (time_msec == 0) {
time_msec = get_current_time_msec();
}
seatop_button(cursor->seat, time_msec, device, button, state);
}
static void handle_pointer_button(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(listener, cursor, button);
struct wlr_event_pointer_button *event = data;
cursor_handle_activity(cursor, event->device);
if (event->state == WLR_BUTTON_PRESSED) {
cursor->pressed_button_count++;
} else {
if (cursor->pressed_button_count > 0) {
cursor->pressed_button_count--;
} else {
sway_log(SWAY_ERROR, "Pressed button count was wrong");
}
}
dispatch_cursor_button(cursor, event->device,
event->time_msec, event->button, event->state);
transaction_commit_dirty();
}
void dispatch_cursor_axis(struct sway_cursor *cursor,
struct wlr_event_pointer_axis *event) {
seatop_pointer_axis(cursor->seat, event);
}
static void handle_pointer_axis(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(listener, cursor, axis);
struct wlr_event_pointer_axis *event = data;
cursor_handle_activity(cursor, event->device);
dispatch_cursor_axis(cursor, event);
transaction_commit_dirty();
}
static void handle_pointer_frame(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(listener, cursor, frame);
wlr_seat_pointer_notify_frame(cursor->seat->wlr_seat);
}
static void handle_touch_down(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(listener, cursor, touch_down);
struct wlr_event_touch_down *event = data;
cursor_handle_activity(cursor, event->device);
cursor_hide(cursor);
struct sway_seat *seat = cursor->seat;
struct wlr_seat *wlr_seat = seat->wlr_seat;
struct wlr_surface *surface = NULL;
double lx, ly;
wlr_cursor_absolute_to_layout_coords(cursor->cursor, event->device,
event->x, event->y, &lx, &ly);
double sx, sy;
struct sway_node *focused_node = node_at_coords(seat, lx, ly, &surface, &sx, &sy);
seat->touch_id = event->touch_id;
seat->touch_x = lx;
seat->touch_y = ly;
if (surface && wlr_surface_accepts_touch(wlr_seat, surface)) {
if (seat_is_input_allowed(seat, surface)) {
wlr_seat_touch_notify_down(wlr_seat, surface, event->time_msec,
event->touch_id, sx, sy);
if (focused_node) {
seat_set_focus(seat, focused_node);
}
}
} else if (!cursor->simulating_pointer_from_touch &&
(!surface || seat_is_input_allowed(seat, surface))) {
// Fallback to cursor simulation.
// The pointer_touch_id state is needed, so drags are not aborted when over
// a surface supporting touch and multi touch events don't interfere.
cursor->simulating_pointer_from_touch = true;
cursor->pointer_touch_id = seat->touch_id;
double dx, dy;
dx = lx - cursor->cursor->x;
dy = ly - cursor->cursor->y;
pointer_motion(cursor, event->time_msec, event->device, dx, dy, dx, dy);
dispatch_cursor_button(cursor, event->device, event->time_msec,
BTN_LEFT, WLR_BUTTON_PRESSED);
wlr_seat_pointer_notify_frame(wlr_seat);
transaction_commit_dirty();
}
}
static void handle_touch_up(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(listener, cursor, touch_up);
struct wlr_event_touch_up *event = data;
cursor_handle_activity(cursor, event->device);
struct wlr_seat *wlr_seat = cursor->seat->wlr_seat;
if (cursor->simulating_pointer_from_touch) {
if (cursor->pointer_touch_id == cursor->seat->touch_id) {
cursor->simulating_pointer_from_touch = false;
dispatch_cursor_button(cursor, event->device, event->time_msec,
BTN_LEFT, WLR_BUTTON_RELEASED);
wlr_seat_pointer_notify_frame(wlr_seat);
transaction_commit_dirty();
}
} else {
wlr_seat_touch_notify_up(wlr_seat, event->time_msec, event->touch_id);
}
}
static void handle_touch_motion(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor =
wl_container_of(listener, cursor, touch_motion);
struct wlr_event_touch_motion *event = data;
cursor_handle_activity(cursor, event->device);
struct sway_seat *seat = cursor->seat;
struct wlr_seat *wlr_seat = seat->wlr_seat;
struct wlr_surface *surface = NULL;
double lx, ly;
wlr_cursor_absolute_to_layout_coords(cursor->cursor, event->device,
event->x, event->y, &lx, &ly);
double sx, sy;
node_at_coords(cursor->seat, lx, ly, &surface, &sx, &sy);
if (seat->touch_id == event->touch_id) {
seat->touch_x = lx;
seat->touch_y = ly;
struct sway_drag_icon *drag_icon;
wl_list_for_each(drag_icon, &root->drag_icons, link) {
if (drag_icon->seat == seat) {
drag_icon_update_position(drag_icon);
}
}
}
if (cursor->simulating_pointer_from_touch) {
if (seat->touch_id == cursor->pointer_touch_id) {
double dx, dy;
dx = lx - cursor->cursor->x;
dy = ly - cursor->cursor->y;
pointer_motion(cursor, event->time_msec, event->device, dx, dy, dx, dy);
transaction_commit_dirty();
}
} else if (surface) {
wlr_seat_touch_notify_motion(wlr_seat, event->time_msec,
event->touch_id, sx, sy);
}
}
static double apply_mapping_from_coord(double low, double high, double value) {
if (isnan(value)) {
return value;
}
return (value - low) / (high - low);
}
static void apply_mapping_from_region(struct wlr_input_device *device,
struct input_config_mapped_from_region *region, double *x, double *y) {
double x1 = region->x1, x2 = region->x2;
double y1 = region->y1, y2 = region->y2;
if (region->mm) {
if (device->width_mm == 0 || device->height_mm == 0) {
return;
}
x1 /= device->width_mm;
x2 /= device->width_mm;
y1 /= device->height_mm;
y2 /= device->height_mm;
}
*x = apply_mapping_from_coord(x1, x2, *x);
*y = apply_mapping_from_coord(y1, y2, *y);
}
static void handle_tablet_tool_position(struct sway_cursor *cursor,
struct sway_tablet_tool *tool,
bool change_x, bool change_y,
double x, double y, double dx, double dy,
int32_t time_msec) {
if (!change_x && !change_y) {
return;
}
struct sway_tablet *tablet = tool->tablet;
struct sway_input_device *input_device = tablet->seat_device->input_device;
struct input_config *ic = input_device_get_config(input_device);
if (ic != NULL && ic->mapped_from_region != NULL) {
apply_mapping_from_region(input_device->wlr_device,
ic->mapped_from_region, &x, &y);
}
switch (tool->tablet_v2_tool->wlr_tool->type) {
case WLR_TABLET_TOOL_TYPE_MOUSE:
wlr_cursor_move(cursor->cursor, input_device->wlr_device, dx, dy);
break;
default:
wlr_cursor_warp_absolute(cursor->cursor, input_device->wlr_device,
change_x ? x : NAN, change_y ? y : NAN);
}
double sx, sy;
struct wlr_surface *surface = NULL;
struct sway_seat *seat = cursor->seat;
node_at_coords(seat, cursor->cursor->x, cursor->cursor->y, &surface, &sx, &sy);
// The logic for whether we should send a tablet event or an emulated pointer
// event is tricky. It comes down to:
// * If we began a drag on a non-tablet surface (simulating_pointer_from_tool_tip),
// then we should continue sending emulated pointer events regardless of
// whether the surface currently under us accepts tablet or not.
// * Otherwise, if we are over a surface that accepts tablet, then we should
// send tablet events.
// * If we began a drag over a tablet surface, we should continue sending
// tablet events until the drag is released, even if we are now over a
// non-tablet surface.
if (!cursor->simulating_pointer_from_tool_tip &&
((surface && wlr_surface_accepts_tablet_v2(tablet->tablet_v2, surface)) ||
wlr_tablet_tool_v2_has_implicit_grab(tool->tablet_v2_tool))) {
seatop_tablet_tool_motion(seat, tool, time_msec, dx, dy);
} else {
wlr_tablet_v2_tablet_tool_notify_proximity_out(tool->tablet_v2_tool);
pointer_motion(cursor, time_msec, input_device->wlr_device, dx, dy, dx, dy);
}
transaction_commit_dirty();
}
static void handle_tool_axis(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(listener, cursor, tool_axis);
struct wlr_event_tablet_tool_axis *event = data;
cursor_handle_activity(cursor, event->device);
struct sway_tablet_tool *sway_tool = event->tool->data;
if (!sway_tool) {
sway_log(SWAY_DEBUG, "tool axis before proximity");
return;
}
handle_tablet_tool_position(cursor, sway_tool,
event->updated_axes & WLR_TABLET_TOOL_AXIS_X,
event->updated_axes & WLR_TABLET_TOOL_AXIS_Y,
event->x, event->y, event->dx, event->dy, event->time_msec);
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_PRESSURE) {
wlr_tablet_v2_tablet_tool_notify_pressure(
sway_tool->tablet_v2_tool, event->pressure);
}
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_DISTANCE) {
wlr_tablet_v2_tablet_tool_notify_distance(
sway_tool->tablet_v2_tool, event->distance);
}
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_TILT_X) {
sway_tool->tilt_x = event->tilt_x;
}
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_TILT_Y) {
sway_tool->tilt_y = event->tilt_y;
}
if (event->updated_axes & (WLR_TABLET_TOOL_AXIS_TILT_X | WLR_TABLET_TOOL_AXIS_TILT_Y)) {
wlr_tablet_v2_tablet_tool_notify_tilt(
sway_tool->tablet_v2_tool,
sway_tool->tilt_x, sway_tool->tilt_y);
}
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_ROTATION) {
wlr_tablet_v2_tablet_tool_notify_rotation(
sway_tool->tablet_v2_tool, event->rotation);
}
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_SLIDER) {
wlr_tablet_v2_tablet_tool_notify_slider(
sway_tool->tablet_v2_tool, event->slider);
}
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_WHEEL) {
wlr_tablet_v2_tablet_tool_notify_wheel(
sway_tool->tablet_v2_tool, event->wheel_delta, 0);
}
}
static void handle_tool_tip(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(listener, cursor, tool_tip);
struct wlr_event_tablet_tool_tip *event = data;
cursor_handle_activity(cursor, event->device);
struct sway_tablet_tool *sway_tool = event->tool->data;
struct wlr_tablet_v2_tablet *tablet_v2 = sway_tool->tablet->tablet_v2;
struct sway_seat *seat = cursor->seat;
double sx, sy;
struct wlr_surface *surface = NULL;
node_at_coords(seat, cursor->cursor->x, cursor->cursor->y,
&surface, &sx, &sy);
if (cursor->simulating_pointer_from_tool_tip &&
event->state == WLR_TABLET_TOOL_TIP_UP) {
cursor->simulating_pointer_from_tool_tip = false;
dispatch_cursor_button(cursor, event->device, event->time_msec,
BTN_LEFT, WLR_BUTTON_RELEASED);
wlr_seat_pointer_notify_frame(cursor->seat->wlr_seat);
transaction_commit_dirty();
} else if (!surface || !wlr_surface_accepts_tablet_v2(tablet_v2, surface)) {
// If we started holding the tool tip down on a surface that accepts
// tablet v2, we should notify that surface if it gets released over a
// surface that doesn't support v2.
if (event->state == WLR_TABLET_TOOL_TIP_UP) {
seatop_tablet_tool_tip(seat, sway_tool, event->time_msec,
WLR_TABLET_TOOL_TIP_UP);
} else {
cursor->simulating_pointer_from_tool_tip = true;
dispatch_cursor_button(cursor, event->device, event->time_msec,
BTN_LEFT, WLR_BUTTON_PRESSED);
wlr_seat_pointer_notify_frame(cursor->seat->wlr_seat);
transaction_commit_dirty();
}
} else {
seatop_tablet_tool_tip(seat, sway_tool, event->time_msec, event->state);
}
}
static struct sway_tablet *get_tablet_for_device(struct sway_cursor *cursor,
struct wlr_input_device *device) {
struct sway_tablet *tablet;
wl_list_for_each(tablet, &cursor->tablets, link) {
if (tablet->seat_device->input_device->wlr_device == device) {
return tablet;
}
}
return NULL;
}
static void handle_tool_proximity(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor =
wl_container_of(listener, cursor, tool_proximity);
struct wlr_event_tablet_tool_proximity *event = data;
cursor_handle_activity(cursor, event->device);
struct wlr_tablet_tool *tool = event->tool;
if (!tool->data) {
struct sway_tablet *tablet = get_tablet_for_device(cursor, event->device);
if (!tablet) {
sway_log(SWAY_ERROR, "no tablet for tablet tool");
return;
}
sway_tablet_tool_configure(tablet, tool);
}
struct sway_tablet_tool *sway_tool = tool->data;
if (!sway_tool) {
sway_log(SWAY_ERROR, "tablet tool not initialized");
return;
}
if (event->state == WLR_TABLET_TOOL_PROXIMITY_OUT) {
wlr_tablet_v2_tablet_tool_notify_proximity_out(sway_tool->tablet_v2_tool);
return;
}
handle_tablet_tool_position(cursor, sway_tool, true, true, event->x, event->y,
0, 0, event->time_msec);
}
static void handle_tool_button(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(listener, cursor, tool_button);
struct wlr_event_tablet_tool_button *event = data;
cursor_handle_activity(cursor, event->device);
struct sway_tablet_tool *sway_tool = event->tool->data;
if (!sway_tool) {
sway_log(SWAY_DEBUG, "tool button before proximity");
return;
}
struct wlr_tablet_v2_tablet *tablet_v2 = sway_tool->tablet->tablet_v2;
double sx, sy;
struct wlr_surface *surface = NULL;
node_at_coords(cursor->seat, cursor->cursor->x, cursor->cursor->y,
&surface, &sx, &sy);
if (!surface || !wlr_surface_accepts_tablet_v2(tablet_v2, surface)) {
// TODO: the user may want to configure which tool buttons are mapped to
// which simulated pointer buttons
switch (event->state) {
case WLR_BUTTON_PRESSED:
if (cursor->tool_buttons == 0) {
dispatch_cursor_button(cursor, event->device,
event->time_msec, BTN_RIGHT, event->state);
}
cursor->tool_buttons++;
break;
case WLR_BUTTON_RELEASED:
if (cursor->tool_buttons == 1) {
dispatch_cursor_button(cursor, event->device,
event->time_msec, BTN_RIGHT, event->state);
}
cursor->tool_buttons--;
break;
}
wlr_seat_pointer_notify_frame(cursor->seat->wlr_seat);
transaction_commit_dirty();
return;
}
wlr_tablet_v2_tablet_tool_notify_button(sway_tool->tablet_v2_tool,
event->button, (enum zwp_tablet_pad_v2_button_state)event->state);
}
static void check_constraint_region(struct sway_cursor *cursor) {
struct wlr_pointer_constraint_v1 *constraint = cursor->active_constraint;
pixman_region32_t *region = &constraint->region;
struct sway_view *view = view_from_wlr_surface(constraint->surface);
if (cursor->active_confine_requires_warp && view) {
cursor->active_confine_requires_warp = false;
struct sway_container *con = view->container;
double sx = cursor->cursor->x - con->content_x + view->geometry.x;
double sy = cursor->cursor->y - con->content_y + view->geometry.y;
if (!pixman_region32_contains_point(region,
floor(sx), floor(sy), NULL)) {
int nboxes;
pixman_box32_t *boxes = pixman_region32_rectangles(region, &nboxes);
if (nboxes > 0) {
double sx = (boxes[0].x1 + boxes[0].x2) / 2.;
double sy = (boxes[0].y1 + boxes[0].y2) / 2.;
wlr_cursor_warp_closest(cursor->cursor, NULL,
sx + con->content_x - view->geometry.x,
sy + con->content_y - view->geometry.y);
cursor_rebase(cursor);
}
}
}
// A locked pointer will result in an empty region, thus disallowing all movement
if (constraint->type == WLR_POINTER_CONSTRAINT_V1_CONFINED) {
pixman_region32_copy(&cursor->confine, region);
} else {
pixman_region32_clear(&cursor->confine);
}
}
static void handle_constraint_commit(struct wl_listener *listener,
void *data) {
struct sway_cursor *cursor =
wl_container_of(listener, cursor, constraint_commit);
struct wlr_pointer_constraint_v1 *constraint = cursor->active_constraint;
assert(constraint->surface == data);
check_constraint_region(cursor);
}
static void handle_pointer_constraint_set_region(struct wl_listener *listener,
void *data) {
struct sway_pointer_constraint *sway_constraint =
wl_container_of(listener, sway_constraint, set_region);
struct sway_cursor *cursor = sway_constraint->cursor;
cursor->active_confine_requires_warp = true;
}
static void handle_request_pointer_set_cursor(struct wl_listener *listener,
void *data) {
struct sway_cursor *cursor =
wl_container_of(listener, cursor, request_set_cursor);
if (!seatop_allows_set_cursor(cursor->seat)) {
return;
}
struct wlr_seat_pointer_request_set_cursor_event *event = data;
struct wl_client *focused_client = NULL;
struct wlr_surface *focused_surface =
cursor->seat->wlr_seat->pointer_state.focused_surface;
if (focused_surface != NULL) {
focused_client = wl_resource_get_client(focused_surface->resource);
}
// TODO: check cursor mode
if (focused_client == NULL ||
event->seat_client->client != focused_client) {
sway_log(SWAY_DEBUG, "denying request to set cursor from unfocused client");
return;
}
cursor_set_image_surface(cursor, event->surface, event->hotspot_x,
event->hotspot_y, focused_client);
}
static void handle_pointer_pinch_begin(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(
listener, cursor, pinch_begin);
struct wlr_event_pointer_pinch_begin *event = data;
wlr_pointer_gestures_v1_send_pinch_begin(
cursor->pointer_gestures, cursor->seat->wlr_seat,
event->time_msec, event->fingers);
}
static void handle_pointer_pinch_update(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(
listener, cursor, pinch_update);
struct wlr_event_pointer_pinch_update *event = data;
wlr_pointer_gestures_v1_send_pinch_update(
cursor->pointer_gestures, cursor->seat->wlr_seat,
event->time_msec, event->dx, event->dy,
event->scale, event->rotation);
}
static void handle_pointer_pinch_end(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(
listener, cursor, pinch_end);
struct wlr_event_pointer_pinch_end *event = data;
wlr_pointer_gestures_v1_send_pinch_end(
cursor->pointer_gestures, cursor->seat->wlr_seat,
event->time_msec, event->cancelled);
}
static void handle_pointer_swipe_begin(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(
listener, cursor, swipe_begin);
struct wlr_event_pointer_swipe_begin *event = data;
wlr_pointer_gestures_v1_send_swipe_begin(
cursor->pointer_gestures, cursor->seat->wlr_seat,
event->time_msec, event->fingers);
}
static void handle_pointer_swipe_update(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(
listener, cursor, swipe_update);
struct wlr_event_pointer_swipe_update *event = data;
wlr_pointer_gestures_v1_send_swipe_update(
cursor->pointer_gestures, cursor->seat->wlr_seat,
event->time_msec, event->dx, event->dy);
}
static void handle_pointer_swipe_end(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(
listener, cursor, swipe_end);
struct wlr_event_pointer_swipe_end *event = data;
wlr_pointer_gestures_v1_send_swipe_end(
cursor->pointer_gestures, cursor->seat->wlr_seat,
event->time_msec, event->cancelled);
}
static void handle_image_surface_destroy(struct wl_listener *listener,
void *data) {
struct sway_cursor *cursor =
wl_container_of(listener, cursor, image_surface_destroy);
cursor_set_image(cursor, NULL, cursor->image_client);
cursor_rebase(cursor);
}
static void set_image_surface(struct sway_cursor *cursor,
struct wlr_surface *surface) {
wl_list_remove(&cursor->image_surface_destroy.link);
cursor->image_surface = surface;
if (surface) {
wl_signal_add(&surface->events.destroy, &cursor->image_surface_destroy);
} else {
wl_list_init(&cursor->image_surface_destroy.link);
}
}
void cursor_set_image(struct sway_cursor *cursor, const char *image,
struct wl_client *client) {
if (!(cursor->seat->wlr_seat->capabilities & WL_SEAT_CAPABILITY_POINTER)) {
return;
}
const char *current_image = cursor->image;
set_image_surface(cursor, NULL);
cursor->image = image;
cursor->hotspot_x = cursor->hotspot_y = 0;
cursor->image_client = client;
if (cursor->hidden) {
return;
}
if (!image) {
wlr_cursor_set_image(cursor->cursor, NULL, 0, 0, 0, 0, 0, 0);
} else if (!current_image || strcmp(current_image, image) != 0) {
wlr_xcursor_manager_set_cursor_image(cursor->xcursor_manager, image,
cursor->cursor);
}
}
void cursor_set_image_surface(struct sway_cursor *cursor,
struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y,
struct wl_client *client) {
if (!(cursor->seat->wlr_seat->capabilities & WL_SEAT_CAPABILITY_POINTER)) {
return;
}
set_image_surface(cursor, surface);
cursor->image = NULL;
cursor->hotspot_x = hotspot_x;
cursor->hotspot_y = hotspot_y;
cursor->image_client = client;
if (cursor->hidden) {
return;
}
wlr_cursor_set_surface(cursor->cursor, surface, hotspot_x, hotspot_y);
}
void sway_cursor_destroy(struct sway_cursor *cursor) {
if (!cursor) {
return;
}
wl_event_source_remove(cursor->hide_source);
wl_list_remove(&cursor->image_surface_destroy.link);
wl_list_remove(&cursor->pinch_begin.link);
wl_list_remove(&cursor->pinch_update.link);