diff options
Diffstat (limited to 'examples/support/config.c')
-rw-r--r-- | examples/support/config.c | 351 |
1 files changed, 0 insertions, 351 deletions
diff --git a/examples/support/config.c b/examples/support/config.c deleted file mode 100644 index 319be31a..00000000 --- a/examples/support/config.c +++ /dev/null @@ -1,351 +0,0 @@ -#ifndef _POSIX_C_SOURCE -#define _POSIX_C_SOURCE 200809L -#endif -#include <stdlib.h> -#include <limits.h> -#include <getopt.h> -#include <string.h> -#include <unistd.h> -#include <sys/param.h> -#include <wlr/config.h> -#include <wlr/util/log.h> -#include <wlr/types/wlr_box.h> -#include "support/config.h" -#include "shared.h" -#include "ini.h" - -static void usage(const char *name, int ret) { - fprintf(stderr, - "usage: %s [-C <FILE>]\n" - "\n" - " -C <FILE> Path to the configuration file\n" - " (default: wlr-example.ini).\n" - " See `rootston/rootston.ini.example` for config\n" - " file documentation.\n", name); - - exit(ret); -} - -static struct wlr_box *parse_geometry(const char *str) { - // format: {width}x{height}+{x}+{y} - if (strlen(str) > 255) { - wlr_log(L_ERROR, "cannot parse geometry string, too long"); - return NULL; - } - - char *buf = strdup(str); - struct wlr_box *box = calloc(1, sizeof(struct wlr_box)); - - bool has_width = false; - bool has_height = false; - bool has_x = false; - bool has_y = false; - - char *pch = strtok(buf, "x+"); - while (pch != NULL) { - errno = 0; - char *endptr; - long val = strtol(pch, &endptr, 0); - - if ((errno == ERANGE && (val == LONG_MAX || val == LONG_MIN)) || - (errno != 0 && val == 0)) { - goto invalid_input; - } - - if (endptr == pch) { - goto invalid_input; - } - - if (!has_width) { - box->width = val; - has_width = true; - } else if (!has_height) { - box->height = val; - has_height = true; - } else if (!has_x) { - box->x = val; - has_x = true; - } else if (!has_y) { - box->y = val; - has_y = true; - } else { - break; - } - pch = strtok(NULL, "x+"); - } - - if (!has_width || !has_height) { - goto invalid_input; - } - - free(buf); - return box; - -invalid_input: - wlr_log(L_ERROR, "could not parse geometry string: %s", str); - free(buf); - free(box); - return NULL; -} - -static const char *output_prefix = "output:"; -static const char *device_prefix = "device:"; - -static int config_ini_handler(void *user, const char *section, const char *name, - const char *value) { - struct example_config *config = user; - if (strncmp(output_prefix, section, strlen(output_prefix)) == 0) { - const char *output_name = section + strlen(output_prefix); - struct output_config *oc; - bool found = false; - - wl_list_for_each(oc, &config->outputs, link) { - if (strcmp(oc->name, output_name) == 0) { - found = true; - break; - } - } - - if (!found) { - oc = calloc(1, sizeof(struct output_config)); - oc->name = strdup(output_name); - oc->transform = WL_OUTPUT_TRANSFORM_NORMAL; - wl_list_insert(&config->outputs, &oc->link); - } - - if (strcmp(name, "x") == 0) { - oc->x = strtol(value, NULL, 10); - } else if (strcmp(name, "y") == 0) { - oc->y = strtol(value, NULL, 10); - } else if (strcmp(name, "rotate") == 0) { - if (strcmp(value, "90") == 0) { - oc->transform = WL_OUTPUT_TRANSFORM_90; - } else if (strcmp(value, "180") == 0) { - oc->transform = WL_OUTPUT_TRANSFORM_180; - } else if (strcmp(value, "270") == 0) { - oc->transform = WL_OUTPUT_TRANSFORM_270; - } else if (strcmp(value, "flipped") == 0) { - oc->transform = WL_OUTPUT_TRANSFORM_FLIPPED; - } else if (strcmp(value, "flipped-90") == 0) { - oc->transform = WL_OUTPUT_TRANSFORM_FLIPPED_90; - } else if (strcmp(value, "flipped-180") == 0) { - oc->transform = WL_OUTPUT_TRANSFORM_FLIPPED_180; - } else if (strcmp(value, "flipped-270") == 0) { - oc->transform = WL_OUTPUT_TRANSFORM_FLIPPED_270; - } else { - wlr_log(L_ERROR, "got unknown transform value: %s", value); - } - } - } else if (strcmp(section, "cursor") == 0) { - if (strcmp(name, "map-to-output") == 0) { - free(config->cursor.mapped_output); - config->cursor.mapped_output = strdup(value); - } else if (strcmp(name, "geometry") == 0) { - free(config->cursor.mapped_box); - config->cursor.mapped_box = parse_geometry(value); - } else { - wlr_log(L_ERROR, "got unknown cursor config: %s", name); - } - } else if (strncmp(device_prefix, section, strlen(device_prefix)) == 0) { - const char *device_name = section + strlen(device_prefix); - struct device_config *dc; - bool found = false; - - wl_list_for_each(dc, &config->devices, link) { - if (strcmp(dc->name, device_name) == 0) { - found = true; - break; - } - } - - if (!found) { - dc = calloc(1, sizeof(struct device_config)); - dc->name = strdup(device_name); - wl_list_insert(&config->devices, &dc->link); - } - - if (strcmp(name, "map-to-output") == 0) { - free(dc->mapped_output); - dc->mapped_output = strdup(value); - } else if (strcmp(name, "geometry") == 0) { - free(dc->mapped_box); - dc->mapped_box = parse_geometry(value); - } else { - wlr_log(L_ERROR, "got unknown device config: %s", name); - } - } else { - wlr_log(L_ERROR, "got unknown config section: %s", section); - } - - return 1; -} - -struct example_config *parse_args(int argc, char *argv[]) { - struct example_config *config = calloc(1, sizeof(struct example_config)); - wl_list_init(&config->outputs); - wl_list_init(&config->devices); - - int c; - while ((c = getopt(argc, argv, "C:h")) != -1) { - switch (c) { - case 'C': - config->config_path = strdup(optarg); - break; - case 'h': - case '?': - usage(argv[0], c != 'h'); - } - } - - if (!config->config_path) { - // get the config path from the current directory - char cwd[MAXPATHLEN]; - if (getcwd(cwd, sizeof(cwd)) != NULL) { - char buf[MAXPATHLEN]; - if (snprintf(buf, MAXPATHLEN, "%s/%s", cwd, "wlr-example.ini") >= MAXPATHLEN) { - wlr_log(L_ERROR, "config path too long"); - exit(1); - } - config->config_path = strdup(buf); - } else { - wlr_log(L_ERROR, "could not get cwd"); - exit(1); - } - } - - int result = ini_parse(config->config_path, config_ini_handler, config); - - if (result == -1) { - wlr_log(L_DEBUG, "No config file found. Using empty config."); - } else if (result == -2) { - wlr_log(L_ERROR, "Could not allocate memory to parse config file"); - exit(1); - } else if (result != 0) { - wlr_log(L_ERROR, "Could not parse config file"); - exit(1); - } - - return config; -} - -void example_config_destroy(struct example_config *config) { - struct output_config *oc, *otmp = NULL; - wl_list_for_each_safe(oc, otmp, &config->outputs, link) { - free(oc->name); - free(oc); - } - - struct device_config *dc, *dtmp = NULL; - wl_list_for_each_safe(dc, dtmp, &config->devices, link) { - free(dc->name); - if (dc->mapped_output) { - free(dc->mapped_output); - } - if (dc->mapped_box) { - free(dc->mapped_box); - } - free(dc); - } - - if (config->config_path) { - free(config->config_path); - } - if (config->cursor.mapped_output) { - free(config->cursor.mapped_output); - } - if (config->cursor.mapped_box) { - free(config->cursor.mapped_box); - } - free(config); -} - -struct output_config *example_config_get_output(struct example_config *config, - struct wlr_output *output) { - struct output_config *o_config; - wl_list_for_each(o_config, &config->outputs, link) { - if (strcmp(o_config->name, output->name) == 0) { - return o_config; - } - } - - return NULL; -} - -struct device_config *example_config_get_device(struct example_config *config, - struct wlr_input_device *device) { - struct device_config *d_config; - wl_list_for_each(d_config, &config->devices, link) { - if (strcmp(d_config->name, device->name) == 0) { - return d_config; - } - } - - return NULL; -} - -/** - * Set device output mappings to NULL and configure region mappings. - */ -static void reset_device_mappings(struct example_config *config, - struct wlr_cursor *cursor, struct wlr_input_device *device) { - struct device_config *d_config; - wlr_cursor_map_input_to_output(cursor, device, NULL); - d_config = example_config_get_device(config, device); - if (d_config) { - wlr_cursor_map_input_to_region(cursor, device, - d_config->mapped_box); - } -} - -static void set_device_output_mappings(struct example_config *config, - struct wlr_cursor *cursor, struct wlr_output *output, - struct wlr_input_device *device) { - struct device_config *d_config; - d_config = example_config_get_device(config, device); - if (d_config && - d_config->mapped_output && - strcmp(d_config->mapped_output, output->name) == 0) { - wlr_cursor_map_input_to_output(cursor, device, output); - } -} - -void example_config_configure_cursor(struct example_config *config, - struct wlr_cursor *cursor, struct compositor_state *compositor) { - struct pointer_state *p_state; - struct tablet_tool_state *tt_state; - struct touch_state *tch_state; - struct output_state *o_state; - - // reset mappings - wlr_cursor_map_to_output(cursor, NULL); - wl_list_for_each(p_state, &compositor->pointers, link) { - reset_device_mappings(config, cursor, p_state->device); - } - wl_list_for_each(tt_state, &compositor->tablet_tools, link) { - reset_device_mappings(config, cursor, tt_state->device); - } - wl_list_for_each(tch_state, &compositor->touch, link) { - reset_device_mappings(config, cursor, tch_state->device); - } - - // configure device to output mappings - char *mapped_output = config->cursor.mapped_output; - wl_list_for_each(o_state, &compositor->outputs, link) { - if (mapped_output && strcmp(mapped_output, o_state->output->name) == 0) { - wlr_cursor_map_to_output(cursor, o_state->output); - } - - wl_list_for_each(p_state, &compositor->pointers, link) { - set_device_output_mappings(config, cursor, o_state->output, - p_state->device); - } - wl_list_for_each(tt_state, &compositor->tablet_tools, link) { - set_device_output_mappings(config, cursor, o_state->output, - tt_state->device); - } - wl_list_for_each(tch_state, &compositor->touch, link) { - set_device_output_mappings(config, cursor, o_state->output, - tch_state->device); - } - } -} |