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#define _POSIX_C_SOURCE 200809L
#include <wlr/types/wlr_cursor.h>
#include "sway/desktop.h"
#include "sway/input/cursor.h"
#include "sway/input/seat.h"
struct seatop_move_floating_event {
struct sway_container *con;
double dx, dy; // cursor offset in container
};
static void handle_button(struct sway_seat *seat, uint32_t time_msec,
struct wlr_input_device *device, uint32_t button,
enum wlr_button_state state) {
if (seat->cursor->pressed_button_count == 0) {
struct seatop_move_floating_event *e = seat->seatop_data;
// We "move" the container to its own location
// so it discovers its output again.
container_floating_move_to(e->con, e->con->x, e->con->y);
seatop_begin_default(seat);
}
}
static void handle_pointer_motion(struct sway_seat *seat, uint32_t time_msec,
double dx, double dy) {
struct seatop_move_floating_event *e = seat->seatop_data;
struct wlr_cursor *cursor = seat->cursor->cursor;
desktop_damage_whole_container(e->con);
container_floating_move_to(e->con, cursor->x - e->dx, cursor->y - e->dy);
desktop_damage_whole_container(e->con);
}
static void handle_unref(struct sway_seat *seat, struct sway_container *con) {
struct seatop_move_floating_event *e = seat->seatop_data;
if (e->con == con) {
seatop_begin_default(seat);
}
}
static const struct sway_seatop_impl seatop_impl = {
.button = handle_button,
.pointer_motion = handle_pointer_motion,
.unref = handle_unref,
};
void seatop_begin_move_floating(struct sway_seat *seat,
struct sway_container *con) {
seatop_end(seat);
struct sway_cursor *cursor = seat->cursor;
struct seatop_move_floating_event *e =
calloc(1, sizeof(struct seatop_move_floating_event));
if (!e) {
return;
}
e->con = con;
e->dx = cursor->cursor->x - con->x;
e->dy = cursor->cursor->y - con->y;
seat->seatop_impl = &seatop_impl;
seat->seatop_data = e;
container_raise_floating(con);
cursor_set_image(cursor, "grab", NULL);
wlr_seat_pointer_notify_clear_focus(seat->wlr_seat);
}
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