1 #define _POSIX_C_SOURCE 200809L
2 #include <stdbool.h>
3 #include <string.h>
4 #include <strings.h>
5 #include "log.h"
6 #include "sway/commands.h"
7 #include "sway/config.h"
8 #include "sway/input/input-manager.h"
9
parse_coords(const char * str,double * x,double * y,bool * mm)10 static bool parse_coords(const char *str, double *x, double *y, bool *mm) {
11 *mm = false;
12
13 char *end;
14 *x = strtod(str, &end);
15 if (end[0] != 'x') {
16 return false;
17 }
18 ++end;
19
20 *y = strtod(end, &end);
21 if (end[0] == 'm') {
22 // Expect mm
23 if (end[1] != 'm') {
24 return false;
25 }
26 *mm = true;
27 end = &end[2];
28 }
29 if (end[0] != '\0') {
30 return false;
31 }
32
33 return true;
34 }
35
input_cmd_map_from_region(int argc,char ** argv)36 struct cmd_results *input_cmd_map_from_region(int argc, char **argv) {
37 struct cmd_results *error = NULL;
38 if ((error = checkarg(argc, "map_from_region", EXPECTED_EQUAL_TO, 2))) {
39 return error;
40 }
41 struct input_config *ic = config->handler_context.input_config;
42 if (!ic) {
43 return cmd_results_new(CMD_FAILURE, "No input device defined");
44 }
45
46 ic->mapped_from_region =
47 calloc(1, sizeof(struct input_config_mapped_from_region));
48
49 bool mm1, mm2;
50 if (!parse_coords(argv[0], &ic->mapped_from_region->x1,
51 &ic->mapped_from_region->y1, &mm1)) {
52 free(ic->mapped_from_region);
53 ic->mapped_from_region = NULL;
54 return cmd_results_new(CMD_FAILURE, "Invalid top-left coordinates");
55 }
56 if (!parse_coords(argv[1], &ic->mapped_from_region->x2,
57 &ic->mapped_from_region->y2, &mm2)) {
58 free(ic->mapped_from_region);
59 ic->mapped_from_region = NULL;
60 return cmd_results_new(CMD_FAILURE, "Invalid bottom-right coordinates");
61 }
62 if (ic->mapped_from_region->x1 > ic->mapped_from_region->x2 ||
63 ic->mapped_from_region->y1 > ic->mapped_from_region->y2) {
64 free(ic->mapped_from_region);
65 ic->mapped_from_region = NULL;
66 return cmd_results_new(CMD_FAILURE, "Invalid rectangle");
67 }
68 if (mm1 != mm2) {
69 free(ic->mapped_from_region);
70 ic->mapped_from_region = NULL;
71 return cmd_results_new(CMD_FAILURE,
72 "Both coordinates must be in the same unit");
73 }
74 ic->mapped_from_region->mm = mm1;
75
76 return cmd_results_new(CMD_SUCCESS, NULL);
77 }
78