139 lines
4.3 KiB
C
139 lines
4.3 KiB
C
#define _POSIX_C_SOURCE 200809L
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#include <float.h>
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#include <wlr/types/wlr_cursor.h>
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#include <wlr/types/wlr_tablet_v2.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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#include "sway/desktop/transaction.h"
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#include "log.h"
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struct seatop_down_event {
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struct sway_container *con;
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struct sway_seat *seat;
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struct wl_listener surface_destroy;
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struct wlr_surface *surface;
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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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};
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static void handle_pointer_axis(struct sway_seat *seat,
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struct wlr_event_pointer_axis *event) {
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struct sway_input_device *input_device =
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event->device ? event->device->data : NULL;
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struct input_config *ic =
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input_device ? input_device_get_config(input_device) : NULL;
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float scroll_factor =
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(ic == NULL || ic->scroll_factor == FLT_MIN) ? 1.0f : ic->scroll_factor;
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wlr_seat_pointer_notify_axis(seat->wlr_seat, event->time_msec,
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event->orientation, scroll_factor * event->delta,
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round(scroll_factor * event->delta_discrete), event->source);
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}
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static void handle_button(struct sway_seat *seat, uint32_t time_msec,
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struct wlr_input_device *device, uint32_t button,
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enum wlr_button_state state) {
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seat_pointer_notify_button(seat, time_msec, button, state);
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if (seat->cursor->pressed_button_count == 0) {
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seatop_begin_default(seat);
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}
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}
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static void handle_pointer_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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if (seat_is_input_allowed(seat, e->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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}
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static void handle_tablet_tool_tip(struct sway_seat *seat,
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struct sway_tablet_tool *tool, uint32_t time_msec,
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enum wlr_tablet_tool_tip_state state) {
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if (state == WLR_TABLET_TOOL_TIP_UP) {
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wlr_tablet_v2_tablet_tool_notify_up(tool->tablet_v2_tool);
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seatop_begin_default(seat);
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}
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}
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static void handle_tablet_tool_motion(struct sway_seat *seat,
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struct sway_tablet_tool *tool, uint32_t time_msec) {
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struct seatop_down_event *e = seat->seatop_data;
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if (seat_is_input_allowed(seat, e->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_tablet_v2_tablet_tool_notify_motion(tool->tablet_v2_tool, sx, sy);
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}
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}
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static void handle_destroy(struct wl_listener *listener, void *data) {
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struct seatop_down_event *e =
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wl_container_of(listener, e, surface_destroy);
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if (e) {
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seatop_begin_default(e->seat);
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}
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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_begin_default(seat);
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}
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}
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static void handle_end(struct sway_seat *seat) {
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struct seatop_down_event *e = seat->seatop_data;
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wl_list_remove(&e->surface_destroy.link);
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}
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static const struct sway_seatop_impl seatop_impl = {
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.button = handle_button,
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.pointer_motion = handle_pointer_motion,
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.pointer_axis = handle_pointer_axis,
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.tablet_tool_tip = handle_tablet_tool_tip,
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.tablet_tool_motion = handle_tablet_tool_motion,
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.unref = handle_unref,
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.end = handle_end,
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.allow_set_cursor = 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, double sx, double sy) {
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seatop_begin_down_on_surface(seat, con->view->surface, time_msec, sx, sy);
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struct seatop_down_event *e = seat->seatop_data;
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e->con = con;
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container_raise_floating(con);
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transaction_commit_dirty();
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}
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void seatop_begin_down_on_surface(struct sway_seat *seat,
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struct wlr_surface *surface, uint32_t time_msec, double sx, double sy) {
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seatop_end(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 = NULL;
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e->seat = seat;
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e->surface = surface;
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wl_signal_add(&e->surface->events.destroy, &e->surface_destroy);
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e->surface_destroy.notify = handle_destroy;
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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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seat->seatop_impl = &seatop_impl;
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seat->seatop_data = e;
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}
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