sway/sway/input/seatop_down.c

139 lines
4.3 KiB
C

#define _POSIX_C_SOURCE 200809L
#include <float.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_tablet_v2.h>
#include "sway/input/cursor.h"
#include "sway/input/seat.h"
#include "sway/tree/view.h"
#include "sway/desktop/transaction.h"
#include "log.h"
struct seatop_down_event {
struct sway_container *con;
struct sway_seat *seat;
struct wl_listener surface_destroy;
struct wlr_surface *surface;
double ref_lx, ref_ly; // cursor's x/y at start of op
double ref_con_lx, ref_con_ly; // container's x/y at start of op
};
static void handle_pointer_axis(struct sway_seat *seat,
struct wlr_pointer_axis_event *event) {
struct sway_input_device *input_device =
event->pointer ? event->pointer->base.data : NULL;
struct input_config *ic =
input_device ? input_device_get_config(input_device) : NULL;
float scroll_factor =
(ic == NULL || ic->scroll_factor == FLT_MIN) ? 1.0f : ic->scroll_factor;
wlr_seat_pointer_notify_axis(seat->wlr_seat, event->time_msec,
event->orientation, scroll_factor * event->delta,
roundf(scroll_factor * event->delta_discrete), event->source);
}
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) {
seat_pointer_notify_button(seat, time_msec, button, state);
if (seat->cursor->pressed_button_count == 0) {
seatop_begin_default(seat);
}
}
static void handle_pointer_motion(struct sway_seat *seat, uint32_t time_msec) {
struct seatop_down_event *e = seat->seatop_data;
if (seat_is_input_allowed(seat, e->surface)) {
double moved_x = seat->cursor->cursor->x - e->ref_lx;
double moved_y = seat->cursor->cursor->y - e->ref_ly;
double sx = e->ref_con_lx + moved_x;
double sy = e->ref_con_ly + moved_y;
wlr_seat_pointer_notify_motion(seat->wlr_seat, time_msec, sx, sy);
}
}
static void handle_tablet_tool_tip(struct sway_seat *seat,
struct sway_tablet_tool *tool, uint32_t time_msec,
enum wlr_tablet_tool_tip_state state) {
if (state == WLR_TABLET_TOOL_TIP_UP) {
wlr_tablet_v2_tablet_tool_notify_up(tool->tablet_v2_tool);
seatop_begin_default(seat);
}
}
static void handle_tablet_tool_motion(struct sway_seat *seat,
struct sway_tablet_tool *tool, uint32_t time_msec) {
struct seatop_down_event *e = seat->seatop_data;
if (seat_is_input_allowed(seat, e->surface)) {
double moved_x = seat->cursor->cursor->x - e->ref_lx;
double moved_y = seat->cursor->cursor->y - e->ref_ly;
double sx = e->ref_con_lx + moved_x;
double sy = e->ref_con_ly + moved_y;
wlr_tablet_v2_tablet_tool_notify_motion(tool->tablet_v2_tool, sx, sy);
}
}
static void handle_destroy(struct wl_listener *listener, void *data) {
struct seatop_down_event *e =
wl_container_of(listener, e, surface_destroy);
if (e) {
seatop_begin_default(e->seat);
}
}
static void handle_unref(struct sway_seat *seat, struct sway_container *con) {
struct seatop_down_event *e = seat->seatop_data;
if (e->con == con) {
seatop_begin_default(seat);
}
}
static void handle_end(struct sway_seat *seat) {
struct seatop_down_event *e = seat->seatop_data;
wl_list_remove(&e->surface_destroy.link);
}
static const struct sway_seatop_impl seatop_impl = {
.button = handle_button,
.pointer_motion = handle_pointer_motion,
.pointer_axis = handle_pointer_axis,
.tablet_tool_tip = handle_tablet_tool_tip,
.tablet_tool_motion = handle_tablet_tool_motion,
.unref = handle_unref,
.end = handle_end,
.allow_set_cursor = true,
};
void seatop_begin_down(struct sway_seat *seat, struct sway_container *con,
uint32_t time_msec, double sx, double sy) {
seatop_begin_down_on_surface(seat, con->view->surface, time_msec, sx, sy);
struct seatop_down_event *e = seat->seatop_data;
e->con = con;
container_raise_floating(con);
transaction_commit_dirty();
}
void seatop_begin_down_on_surface(struct sway_seat *seat,
struct wlr_surface *surface, uint32_t time_msec, double sx, double sy) {
seatop_end(seat);
struct seatop_down_event *e =
calloc(1, sizeof(struct seatop_down_event));
if (!e) {
return;
}
e->con = NULL;
e->seat = seat;
e->surface = surface;
wl_signal_add(&e->surface->events.destroy, &e->surface_destroy);
e->surface_destroy.notify = handle_destroy;
e->ref_lx = seat->cursor->cursor->x;
e->ref_ly = seat->cursor->cursor->y;
e->ref_con_lx = sx;
e->ref_con_ly = sy;
seat->seatop_impl = &seatop_impl;
seat->seatop_data = e;
}