swayfx/sway/commands/seat/cursor.c
Michael Weiser 30e666f171 commands: Adjust style in cursors command
Remove some unnecessary brackets in an error condition check identified
during review of the shortcuts inhibitor command code (#5021).

Signed-off-by: Michael Weiser <michael.weiser@gmx.de>
2020-03-11 23:51:37 -04:00

127 lines
3.9 KiB
C

#define _POSIX_C_SOURCE 200809L
#include <linux/input-event-codes.h>
#include <strings.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_pointer.h>
#include "sway/commands.h"
#include "sway/input/cursor.h"
static struct cmd_results *press_or_release(struct sway_cursor *cursor,
char *action, char *button_str);
static const char expected_syntax[] = "Expected 'cursor <move> <x> <y>' or "
"'cursor <set> <x> <y>' or "
"'cursor <press|release> <button[1-9]|event-name-or-code>'";
static struct cmd_results *handle_command(struct sway_cursor *cursor,
int argc, char **argv) {
if (strcasecmp(argv[0], "move") == 0) {
if (argc < 3) {
return cmd_results_new(CMD_INVALID, expected_syntax);
}
int delta_x = strtol(argv[1], NULL, 10);
int delta_y = strtol(argv[2], NULL, 10);
wlr_cursor_move(cursor->cursor, NULL, delta_x, delta_y);
cursor_rebase(cursor);
} else if (strcasecmp(argv[0], "set") == 0) {
if (argc < 3) {
return cmd_results_new(CMD_INVALID, expected_syntax);
}
// map absolute coords (0..1,0..1) to root container coords
float x = strtof(argv[1], NULL) / root->width;
float y = strtof(argv[2], NULL) / root->height;
wlr_cursor_warp_absolute(cursor->cursor, NULL, x, y);
cursor_rebase(cursor);
} else {
if (argc < 2) {
return cmd_results_new(CMD_INVALID, expected_syntax);
}
struct cmd_results *error = NULL;
if ((error = press_or_release(cursor, argv[0], argv[1]))) {
return error;
}
}
return cmd_results_new(CMD_SUCCESS, NULL);
}
struct cmd_results *seat_cmd_cursor(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "cursor", EXPECTED_AT_LEAST, 2))) {
return error;
}
struct seat_config *sc = config->handler_context.seat_config;
if (!sc) {
return cmd_results_new(CMD_FAILURE, "No seat defined");
}
if (config->reading || !config->active) {
return cmd_results_new(CMD_DEFER, NULL);
}
if (strcmp(sc->name, "*") != 0) {
struct sway_seat *seat = input_manager_get_seat(sc->name, false);
if (!seat) {
return cmd_results_new(CMD_FAILURE,
"Seat %s does not exist", sc->name);
}
error = handle_command(seat->cursor, argc, argv);
} else {
struct sway_seat *seat = NULL;
wl_list_for_each(seat, &server.input->seats, link) {
error = handle_command(seat->cursor, argc, argv);
if (error && error->status != CMD_SUCCESS) {
break;
}
}
}
return error ? error : cmd_results_new(CMD_SUCCESS, NULL);
}
static struct cmd_results *press_or_release(struct sway_cursor *cursor,
char *action, char *button_str) {
enum wlr_button_state state;
uint32_t button;
if (strcasecmp(action, "press") == 0) {
state = WLR_BUTTON_PRESSED;
} else if (strcasecmp(action, "release") == 0) {
state = WLR_BUTTON_RELEASED;
} else {
return cmd_results_new(CMD_INVALID, expected_syntax);
}
char *message = NULL;
button = get_mouse_button(button_str, &message);
if (message) {
struct cmd_results *error =
cmd_results_new(CMD_INVALID, message);
free(message);
return error;
} else if (button == SWAY_SCROLL_UP || button == SWAY_SCROLL_DOWN
|| button == SWAY_SCROLL_LEFT || button == SWAY_SCROLL_RIGHT) {
// Dispatch axis event
enum wlr_axis_orientation orientation =
(button == SWAY_SCROLL_UP || button == SWAY_SCROLL_DOWN)
? WLR_AXIS_ORIENTATION_VERTICAL
: WLR_AXIS_ORIENTATION_HORIZONTAL;
double delta = (button == SWAY_SCROLL_UP || button == SWAY_SCROLL_LEFT)
? -1 : 1;
struct wlr_event_pointer_axis event = {
.device = NULL,
.time_msec = 0,
.source = WLR_AXIS_SOURCE_WHEEL,
.orientation = orientation,
.delta = delta * 15,
.delta_discrete = delta
};
dispatch_cursor_axis(cursor, &event);
return cmd_results_new(CMD_SUCCESS, NULL);
} else if (!button) {
return cmd_results_new(CMD_INVALID, "Unknown button %s", button_str);
}
dispatch_cursor_button(cursor, NULL, 0, button, state);
return cmd_results_new(CMD_SUCCESS, NULL);
}