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#include <string.h>
#include "sway/commands.h"
#include "sway/config.h"
#include "log.h"
#include "stringop.h"
#include <pango/pangocairo.h>
struct cmd_results *cmd_font(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "font", EXPECTED_AT_LEAST, 1))) {
return error;
}
char *font = join_args(argv, argc);
free(config->font);
if (strncmp(font, "pango:", 6) == 0) {
config->pango_markup = true;
config->font = strdup(font + 6);
free(font);
} else {
config->pango_markup = false;
config->font = font;
}
// Parse the font early so we can reject it if it's not valid for pango.
// Also avoids re-parsing each time we render text.
PangoFontDescription *font_description = pango_font_description_from_string(config->font);
const char *family = pango_font_description_get_family(font_description);
if (family == NULL) {
pango_font_description_free(font_description);
return cmd_results_new(CMD_FAILURE, "Invalid font family.");
}
const gint size = pango_font_description_get_size(font_description);
if (size == 0) {
pango_font_description_free(font_description);
return cmd_results_new(CMD_FAILURE, "Invalid font size.");
}
if (config->font_description != NULL) {
pango_font_description_free(config->font_description);
}
config->font_description = font_description;
config_update_font_height();
return cmd_results_new(CMD_SUCCESS, NULL);
}
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