Improved drawtextLines(...)

Now supports newline \n and automatic line break with hyphens, slashes and colons.

radio/src/gui/colorlcd/draw_functions.cpp

@@ -511,20 +511,42 @@ void drawTextLines(BitmapBuffer * dc, coord_t left, coord_t top, coord_t width,
   coord_t line = getFontHeight(flags & 0xFFFF);
   coord_t space = getTextWidth(" ", 1, flags);
   coord_t word;
-  const char * eos = str + strlen(str);
-  const char * nxt;
+  const char * nxt = str;
   
-  while (str < eos) {
-    nxt = strstr(str, " ");
-    if (!nxt) nxt = eos;
+  while (true) {
+    for (bool done = false; !done; nxt++) {
+      switch (nxt[0]) {        
+        case '-':
+        case '/':
+        case ':':
+          nxt++;        
+        case ' ':
+        case '\n':
+        case '\0':
+          done = true;
+      }
+    }
+    nxt--;
     word = getTextWidth(str, nxt - str, flags);
     if (x + word > left + width && x > left) {
       x = left;
       y += line;
     }
-    if (y + line > top + height) break;
+    if (y + line > top + height) return;
     dc->drawSizedText(x, y, str, nxt - str, flags);
-    str = nxt + 1;
-    x += word + space;
+    x += word;
+    switch (nxt[0]) {        
+      case '\0':
+        return;
+      case '\n':
+        x = left;
+        y += line;
+        nxt++;
+        break;
+      case ' ':
+        x += space;
+        nxt++;
+    }
+    str = nxt;
   }
 }