1 files changed, 11 insertions, 2 deletions
diff --git a/src/tsar.c b/src/tsar.c
index 8799421..ae54107 100644
--- a/src/tsar.c
+++ b/src/tsar.c
@@ -35,6 +35,15 @@ void die(const char* fmt, ...) {
   exit(err_code);
 }
 
+int utf8_strlen(const char *s) {
+    int len = 0;
+    while (*s) {
+        if ((*s & 0xC0) != 0x80) len++;
+        s++;
+    }
+    return len;
+}
+
 void load_font(const char* font_name) {
   XftFont* new_font = XftFontOpenName(display, DefaultScreen(display), font_name);
   if (new_font == NULL) {
@@ -125,7 +134,7 @@ void draw_comp_set(float pos_ratio, comp_t **set, int size) {
   int width = 0;
   for (int i = 0; i < size; i++) {
     comp_t *comp = set[i];
-    width += font->max_advance_width * strlen(comp->data);
+    width += font->max_advance_width * utf8_strlen(comp->data);
   }
 
   int x = (bar_width - width) * pos_ratio;
@@ -136,7 +145,7 @@ void draw_comp_set(float pos_ratio, comp_t **set, int size) {
     comp_t *comp = set[i];
 
     draw_text(comp->data, x, y);
-    x += font->max_advance_width * strlen(comp->data);
+    x += font->max_advance_width * utf8_strlen(comp->data);
   }
 }