mirror of https://github.com/swaywm/sway.git
86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
#define _POSIX_C_SOURCE 200809L
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#include <wlr/types/wlr_cursor.h>
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#include "sway/input/cursor.h"
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#include "sway/input/seat.h"
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#include "sway/tree/view.h"
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struct seatop_down_event {
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struct sway_container *con;
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double ref_lx, ref_ly; // cursor's x/y at start of op
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double ref_con_lx, ref_con_ly; // container's x/y at start of op
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bool moved;
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};
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static void handle_motion(struct sway_seat *seat, uint32_t time_msec) {
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struct seatop_down_event *e = seat->seatop_data;
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struct sway_container *con = e->con;
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if (seat_is_input_allowed(seat, con->view->surface)) {
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double moved_x = seat->cursor->cursor->x - e->ref_lx;
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double moved_y = seat->cursor->cursor->y - e->ref_ly;
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double sx = e->ref_con_lx + moved_x;
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double sy = e->ref_con_ly + moved_y;
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wlr_seat_pointer_notify_motion(seat->wlr_seat, time_msec, sx, sy);
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}
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e->moved = true;
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}
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static void handle_finish(struct sway_seat *seat, uint32_t time_msec) {
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struct seatop_down_event *e = seat->seatop_data;
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struct sway_cursor *cursor = seat->cursor;
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// Set the cursor's previous coords to the x/y at the start of the
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// operation, so the container change will be detected if using
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// focus_follows_mouse and the cursor moved off the original container
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// during the operation.
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cursor->previous.x = e->ref_lx;
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cursor->previous.y = e->ref_ly;
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if (e->moved) {
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struct wlr_surface *surface = NULL;
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double sx, sy;
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struct sway_node *node = node_at_coords(seat,
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cursor->cursor->x, cursor->cursor->y, &surface, &sx, &sy);
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cursor_send_pointer_motion(cursor, 0, node, surface, sx, sy);
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}
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}
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static void handle_abort(struct sway_seat *seat) {
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cursor_set_image(seat->cursor, "left_ptr", NULL);
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}
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static void handle_unref(struct sway_seat *seat, struct sway_container *con) {
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struct seatop_down_event *e = seat->seatop_data;
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if (e->con == con) {
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seatop_abort(seat);
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}
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}
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static const struct sway_seatop_impl seatop_impl = {
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.motion = handle_motion,
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.finish = handle_finish,
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.abort = handle_abort,
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.unref = handle_unref,
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.allows_events = true,
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};
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void seatop_begin_down(struct sway_seat *seat, struct sway_container *con,
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uint32_t time_msec, uint32_t button, int sx, int sy) {
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seatop_abort(seat);
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struct seatop_down_event *e =
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calloc(1, sizeof(struct seatop_down_event));
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if (!e) {
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return;
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}
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e->con = con;
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e->ref_lx = seat->cursor->cursor->x;
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e->ref_ly = seat->cursor->cursor->y;
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e->ref_con_lx = sx;
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e->ref_con_ly = sy;
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e->moved = false;
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seat->seatop_impl = &seatop_impl;
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seat->seatop_data = e;
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seat->seatop_button = button;
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container_raise_floating(con);
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}
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