From 01ec18e80228739bbc099ccb35356d198729ab42 Mon Sep 17 00:00:00 2001 From: Sergei Dolgov Date: Mon, 17 Jun 2019 11:38:41 +0200 Subject: Add calibration_matrix config option Can be used to change the orientation of a touchscreen. Example usage with swaymsg: # identity swaymsg input type:touch calibration_matrix '"1 0 0 0 1 0"' # 90 degree clockwise swaymsg input type:touch calibration_matrix '"0 -1 1 1 0 0"' # 180 degree clockwise swaymsg input type:touch calibration_matrix '"-1 0 1 0 -1 1"' # 270 degree clockwise swaymsg input type:touch calibration_matrix '"0 1 0 -1 0 1"' Documentation: https://wayland.freedesktop.org/libinput/doc/latest/absolute-axes.html#calibration-of-absolute-devices --- sway/commands/input/calibration_matrix.c | 40 ++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 sway/commands/input/calibration_matrix.c (limited to 'sway/commands/input') diff --git a/sway/commands/input/calibration_matrix.c b/sway/commands/input/calibration_matrix.c new file mode 100644 index 00000000..ac15d152 --- /dev/null +++ b/sway/commands/input/calibration_matrix.c @@ -0,0 +1,40 @@ +#define _POSIX_C_SOURCE 200809L +#include +#include +#include "sway/config.h" +#include "sway/commands.h" +#include "sway/input/input-manager.h" +#include "log.h" +#include "stringop.h" +#include "util.h" + +struct cmd_results *input_cmd_calibration_matrix(int argc, char **argv) { + struct cmd_results *error = NULL; + if ((error = checkarg(argc, "calibration_matrix", EXPECTED_EQUAL_TO, 1))) { + return error; + } + struct input_config *ic = config->handler_context.input_config; + if (!ic) { + return cmd_results_new(CMD_FAILURE, "No input device defined."); + } + + list_t *split = split_string(argv[0], " "); + if (split->length != 6) { + return cmd_results_new(CMD_FAILURE, "calibration_matrix should be a space-separated list of length 6"); + } + + float parsed[6]; + for (int i = 0; i < split->length; ++i) { + char *item = split->items[i]; + float x = parse_float(item); + if (x != x) { + return cmd_results_new(CMD_FAILURE, "calibration_matrix: unable to parse float: %s", item); + } + parsed[i] = x; + } + + ic->calibration_matrix.configured = true; + memcpy(ic->calibration_matrix.matrix, parsed, sizeof(ic->calibration_matrix.matrix)); + + return cmd_results_new(CMD_SUCCESS, NULL); +} -- cgit v1.2.3