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