Cleaning up Bar.

bar.cpp

@@ -81,12 +81,13 @@ void Bar::update_bar(void) {
 
         const char *cp_len_start = cp;
         const char *cp_len = cp;
-        for (int i = 0; i < percent.length(); i++) {
+        for (int i = 0; i < (int)percent.length(); i++) {
           utf8::next(cp_len, end);
         }
 
         int unicode_len = cp_len - cp_len_start;
-        // cout << " " << std::setw(3) << unicode_pos << " " << std::setw(3) << unicode_len << " ";
+        // cout << " " << std::setw(3) << unicode_pos << " " << std::setw(3) <<
+        // unicode_len << " ";
         text.replace(unicode_pos, unicode_len, percent);
       } else {
         text.replace(pos, percent.length(), percent);
@@ -204,4 +205,20 @@ void Bar::set(unsigned long percent) {
   update_bar();
 }
 
+/**
+ * Output Bar
+ *
+ * This outputs the Progress Bar's internal line.
+  *
+ * @param os std::ostream
+ * @param b const Bar &
+ * @return std::ostream&
+ */
+std::ostream &operator<<(std::ostream &os, const Bar &b) {
+  os << b.line;
+  // reset?
+  os << door::reset;
+  return os;
+}
+
 } // namespace door

door.h

@@ -578,12 +578,21 @@ public:
 extern renderFunction rBlueYellow;
 
 /*
-Maybe I don't want to use a line for this?  It doesn't have location!
-(but if it is a line, you can put it into a panel,which does have
-location...)
+  Progress Bar Styles:
+
+  solid chars.
+  half step chars.
+  gradient (1/4 %25, %50, %75) chars.
+  percentage (solid chars, percentage is XX% or 100)
+  percent_space (solid chars, percentage is " XX% " or " 100 ")
 */
 enum class BarStyle { SOLID, HALF_STEP, GRADIENT, PERCENTAGE, PERCENT_SPACE };
 
+/*
+Progress Bar
+
+This sets up the internal "Line" to display the progress bar.
+ */
 class Bar {
 private:
   unsigned long current_percent;
@@ -599,6 +608,7 @@ public:
   void set(int value, int max);
   void set(float percent);
   void set(unsigned long percent);
+  friend std::ostream &operator<<(std::ostream &os, const Bar &b);
 };
 
 /**