Clean source code. Add to_wstring<T> T={int, float, double, ...}

examples/dom/frame.cpp

@@ -10,7 +10,7 @@ int main(int argc, const char *argv[])
   using namespace ftxui::dom;
   auto document =
     hbox(
-			window(hcenter(text(L" main frame ")),
+      window(text(L" main frame ") | hcenter,
         vbox(
           text(L"Line 1"),
           text(L"Line 2"),

examples/dom/package_manager.cpp

@@ -44,7 +44,7 @@ int main(int argc, const char *argv[])
   int nb_done = 0;
 
   auto to_text = [](int number) {
-    std::wstring t = to_wstring(std::to_string(number));
+    std::wstring t = to_wstring(number);
     while(t.size() < 3)
       t = L" " + t;
     return text(t);

ftxui/include/ftxui/dom/elements.hpp

@@ -52,20 +52,8 @@ Element nothing(Element element);
 Element operator|(Element, Decorator);
 Decorator operator|(Decorator, Decorator);
 
-// Make container able to take several children.
-template <class... Args>
-Children unpack(Args... args) {
-  Children vec;
-  (vec.push_back(std::forward<Args>(args)), ...);
-  return vec;
-}
-
-#define TAKE_ANY_ARGS(container) \
-  template <class... Args> \
-  Element container(Args... children) { \
-    return container(unpack(std::forward<Args>(children)...)); \
-  } \
-
+// Make container able to take any number of children as input.
+#include "take_any_args.hpp"
 TAKE_ANY_ARGS(vbox)
 TAKE_ANY_ARGS(hbox)
 TAKE_ANY_ARGS(dbox)

ftxui/include/ftxui/requirement.hpp

@@ -4,23 +4,11 @@
 namespace ftxui {
 
 struct Requirement {
-  // Minimal dimensions.
-  struct {
-    int x = 0;
-    int y = 0;
-  } min;
+  // The required size to fully draw the element.
+  struct { int x = 0; int y = 0; } min;
 
-  // Maximal dimensions.
-  struct {
-    int x = -1;
-    int y = -1;
-  } max;
-
-  // Flex.
-  struct {
-    int x = 0;
-    int y = 0;
-  } flex;
+  // How much flexibility is given to the component.
+  struct { int x = 0; int y = 0; } flex;
 };
 
 };  // namespace ftxui

ftxui/include/ftxui/util/string.hpp

@@ -2,3 +2,8 @@
 
 std::string to_string(const std::wstring& s);
 std::wstring to_wstring(const std::string& s);
+
+template<typename T>
+std::wstring to_wstring(T s) {
+  return to_wstring(std::to_string(s));
+}

ftxui/src/ftxui/dom/gauge_test.cpp

@@ -18,7 +18,7 @@ TEST(GaugeTest, half) {
   Screen screen(11,1);
   Render(screen, root.get());
 
-  EXPECT_EQ("█████▏▋    ", screen.ToString());
+  EXPECT_EQ("█████▍     ", screen.ToString());
   //"  ▏▎▍▌▊▉█";
 }
 

ftxui/src/ftxui/dom/vbox_test.cpp

@@ -10,7 +10,7 @@ TEST(VBoxTest, ScreenSmaller1) {
   Screen screen(6, 1);
   Render(screen, root.get());
 
-  EXPECT_EQ("text_1", screen.ToString());
+  EXPECT_EQ("text_2", screen.ToString());
 }
 
 TEST(VBoxTest, ScreenFit) {