lv_txt.c long word text wrapping initial commit (refactor).

lv_conf_template.h

@@ -297,6 +297,15 @@ typedef void * lv_font_user_data_t;
  /*Can break (wrap) texts on these chars*/
 #define LV_TXT_BREAK_CHARS                  " ,.;:-_"
 
+/* If a character is at least this long, will break wherever "prettiest" */
+#define LV_TXT_LINE_BREAK_LONG_LEN          12
+
+/* Minimum number of characters of a word to put on a line before a break */
+#define LV_TXT_LINE_BREAK_LONG_PRE_MIN_LEN  3
+
+/* Minimum number of characters of a word to put on a line after a break */
+#define LV_TXT_LINE_BREAK_LONG_POST_MIN_LEN 3
+
 /*Change the built in (v)snprintf functions*/
 #define LV_SPRINTF_CUSTOM   0
 #if LV_SPRINTF_CUSTOM