mirror of
https://github.com/NickHu/sway
synced 2024-12-28 22:23:30 +01:00
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
#define _POSIX_C_SOURCE 200809L
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#include <stdbool.h>
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#include <string.h>
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#include <strings.h>
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#include "log.h"
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#include "sway/commands.h"
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#include "sway/config.h"
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#include "sway/input/input-manager.h"
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static bool parse_coords(const char *str, double *x, double *y, bool *mm) {
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*mm = false;
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char *end;
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*x = strtod(str, &end);
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if (end[0] != 'x') {
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return false;
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}
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++end;
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*y = strtod(end, &end);
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if (end[0] == 'm') {
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// Expect mm
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if (end[1] != 'm') {
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return false;
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}
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*mm = true;
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end = &end[2];
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}
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if (end[0] != '\0') {
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return false;
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}
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return true;
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}
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struct cmd_results *input_cmd_map_from_region(int argc, char **argv) {
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struct cmd_results *error = NULL;
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if ((error = checkarg(argc, "map_from_region", EXPECTED_EQUAL_TO, 2))) {
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return error;
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}
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struct input_config *ic = config->handler_context.input_config;
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if (!ic) {
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return cmd_results_new(CMD_FAILURE, "map_from_region",
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"No input device defined");
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}
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ic->mapped_from_region =
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calloc(1, sizeof(struct input_config_mapped_from_region));
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bool mm1, mm2;
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if (!parse_coords(argv[0], &ic->mapped_from_region->x1,
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&ic->mapped_from_region->y1, &mm1)) {
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free(ic->mapped_from_region);
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ic->mapped_from_region = NULL;
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return cmd_results_new(CMD_FAILURE, "map_from_region",
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"Invalid top-left coordinates");
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}
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if (!parse_coords(argv[1], &ic->mapped_from_region->x2,
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&ic->mapped_from_region->y2, &mm2)) {
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free(ic->mapped_from_region);
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ic->mapped_from_region = NULL;
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return cmd_results_new(CMD_FAILURE, "map_from_region",
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"Invalid bottom-right coordinates");
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}
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if (ic->mapped_from_region->x1 > ic->mapped_from_region->x2 ||
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ic->mapped_from_region->y1 > ic->mapped_from_region->y2) {
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free(ic->mapped_from_region);
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ic->mapped_from_region = NULL;
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return cmd_results_new(CMD_FAILURE, "map_from_region",
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"Invalid rectangle");
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}
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if (mm1 != mm2) {
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free(ic->mapped_from_region);
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ic->mapped_from_region = NULL;
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return cmd_results_new(CMD_FAILURE, "map_from_region",
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"Both coordinates must be in the same unit");
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}
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ic->mapped_from_region->mm = mm1;
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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