Add Graph.

examples/component/gallery.cpp

@@ -73,7 +73,7 @@ class MyComponent : public Component {
         separator(),
         Render(L"radiobox", radiobox),
         separator(),
-        Render(L"input", input) | size(WIDTH, EQUAL, 20)
+        Render(L"input", input) | size(WIDTH, LESS_THAN, 30)
       ) | border;
   }
 };

examples/dom/CMakeLists.txt

@@ -8,6 +8,7 @@ example(border)
 example(gauge)
 example(package_manager)
 example(separator)
+example(graph)
 example(spinner)
 example(style_blink)
 example(style_bold)

examples/dom/border.cpp

@@ -41,7 +41,7 @@ int main(int argc, const char *argv[])
       ),
       filler()
     );
-  auto screen = Screen::TerminalOutput(document);
+  auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
   Render(screen, document.get());
   std::cout << screen.ToString() << std::endl;
 }

examples/dom/dbox.cpp

@@ -16,7 +16,7 @@ int main(int argc, const char *argv[])
       ) | border,
       text(L"overlay") | border | center
     );
-  auto screen = Screen::TerminalOutput(document);
+  auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
   Render(screen, document.get());
 
   std::cout << screen.ToString();

examples/dom/graph.cpp

@@ -0,0 +1,65 @@
+#include "ftxui/dom/elements.hpp"
+#include "ftxui/dom/graph.hpp"
+#include "ftxui/screen/screen.hpp"
+#include "ftxui/screen/string.hpp"
+#include <chrono>
+#include <cmath>
+#include <iostream>
+#include <thread>
+
+class Graph : public ftxui::GraphFunction {
+ public:
+  std::vector<int> operator()(int width, int height) {
+    std::vector<int> output(width);
+    for (int i = 0; i < width; ++i) {
+      float v = 0;
+      v += 0.1 * sin((i + shift) * 0.1);
+      v += 0.2 * sin((i + shift+10) * 0.15);
+      v += 0.1 * sin((i + shift) * 0.03);
+      // v += 0.2*sin((i+shift)*0.3);
+      // v += 0.1*sin((i+shift)*0.9);
+      v *= height;
+      v += 0.5 * height;
+      output[i] = v;
+    }
+    return output;
+  }
+  int shift = 0;
+};
+
+int main(int argc, const char* argv[]) {
+  using namespace ftxui;
+  using namespace std::chrono_literals;
+
+  Graph my_graph;
+
+  std::string reset_position;
+  for (int i = 0;; ++i) {
+    auto document =
+      window(text(L"Your graphs"),
+        hbox(
+          vbox(
+            graph(my_graph), separator(),
+            graph(my_graph) | inverted
+          ) | flex,
+          separator(),
+          vbox(
+            graph(my_graph) | color(Color::BlueLight), separator(),
+            graph(my_graph) | color(Color::RedLight), separator(),
+            graph(my_graph) | color(Color::YellowLight)
+          ) | flex
+        )
+      ) | size(HEIGHT, GREATER_THAN, 40);
+
+    auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
+    Render(screen, document.get());
+    std::cout << reset_position << screen.ToString() << std::flush;
+
+    reset_position = screen.ResetPosition();
+
+    std::this_thread::sleep_for(0.03s);
+    my_graph.shift++;
+  }
+
+  return 0;
+}

examples/dom/hflow.cpp

@@ -43,7 +43,7 @@ int main(int argc, const char *argv[])
       | size(WIDTH, LESS_THAN, 50)
       ;
 
-  auto screen = Screen::TerminalOutput(document);
+  auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
   Render(screen, document.get());
   std::cout << screen.ToString() << std::endl;
 

examples/dom/html_like.cpp

@@ -39,7 +39,7 @@ int main(int argc, const char* argv[]) {
             paragraph(L" A spinner "), spinner(6, i / 10)) |
         border;
 
-    auto screen = Screen::TerminalFullscreen();
+    auto screen = Screen::Create(Dimension::Full());
     Render(screen, document.get());
     std::cout << reset_position << screen.ToString() << std::flush;
 

examples/dom/package_manager.cpp

@@ -115,7 +115,7 @@ int main(int argc, const char *argv[])
 
     // Draw.
     auto document = render();
-    auto screen = Screen::TerminalOutput(document);
+    auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
     Render(screen, document.get());
     std::cout << reset_position << screen.ToString() << std::flush;
     reset_position = screen.ResetPosition();

examples/dom/paragraph.cpp

@@ -24,7 +24,7 @@ int main(int argc, const char *argv[])
       ) | flex
     );
 
-  auto screen = Screen::TerminalFullscreen();
+  auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
   Render(screen, document.get());
   std::cout << screen.ToString();
   getchar();

examples/dom/separator.cpp

@@ -9,17 +9,18 @@ int main(int argc, const char *argv[])
     hbox(
       text(L"left-column"),
       separator(),
-      flex(vbox(
-        center(text(L"right-column")) | flex,
+      vbox(
+        center(text(L"right-top")) | flex,
         separator(),
-        center(text(L"bottom-column"))
-      ))
-    );
-  auto screen = Screen::TerminalFullscreen();
+        center(text(L"bottom-bottom"))
+      ) | flex,
+      separator(),
+      text(L"right-column")
+    ) | border;
+  auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
   Render(screen, document.get());
 
-  std::cout << screen.ToString();
-  getchar();
+  std::cout << screen.ToString() << std::endl;
 
   return 0;
 }

examples/dom/size.cpp

@@ -22,7 +22,7 @@ int main(int argc, const char *argv[])
     );
   }
   auto document = hbox(std::move(content));
-  auto screen = Screen::FitDocument(document);
+  auto screen = Screen::Create(Dimension::Fit(document));
   Render(screen, document.get());
   std::cout << screen.ToString() << std::endl;
 

examples/dom/spinner.cpp

@@ -26,7 +26,7 @@ int main(int argc, const char *argv[])
       );
     }
     auto document = hbox(vbox(std::move(entries)) | border, filler());
-    auto screen = Screen::TerminalOutput(document);
+    auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
     Render(screen, document.get());
     std::cout << reset_position << screen.ToString() << std::flush;
     reset_position = screen.ResetPosition();

examples/dom/style_blink.cpp

@@ -11,7 +11,7 @@ int main(int argc, const char *argv[])
       text(L"blink") | blink,
       text(L". Do you like it?")
     );
-  auto screen = Screen::TerminalOutput(document);
+  auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
   Render(screen, document.get());
 
   std::cout << screen.ToString();

examples/dom/style_bold.cpp

@@ -11,7 +11,7 @@ int main(int argc, const char *argv[])
       text(L"bold") | bold,
       text(L". Do you like it?")
     );
-  auto screen = Screen::TerminalOutput(document);
+  auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
   Render(screen, document.get());
 
   std::cout << screen.ToString();

examples/dom/style_color.cpp

@@ -48,7 +48,7 @@ int main(int argc, const char *argv[])
       filler()
     );
 
-  auto screen = Screen::TerminalOutput(document);
+  auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
   Render(screen, document.get());
 
   std::cout << screen.ToString();

examples/dom/style_dim.cpp

@@ -11,7 +11,7 @@ int main(int argc, const char *argv[])
       text(L"dim") | dim,
       text(L". Do you like it?")
     );
-  auto screen = Screen::TerminalOutput(document);
+  auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
   Render(screen, document.get());
 
   std::cout << screen.ToString();

examples/dom/style_gallery.cpp

@@ -16,7 +16,7 @@ int main(int argc, const char *argv[])
       text(L"color")     | color(Color::Blue)   , text(L" ") ,
       text(L"bgcolor")   | bgcolor(Color::Blue)
     );
-  auto screen = Screen::TerminalOutput(document);
+  auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
   Render(screen, document.get());
 
   std::cout << screen.ToString();

examples/dom/style_inverted.cpp

@@ -11,7 +11,7 @@ int main(int argc, const char *argv[])
       text(L"inverted") | inverted,
       text(L". Do you like it?")
     );
-  auto screen = Screen::TerminalOutput(document);
+  auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
   Render(screen, document.get());
 
   std::cout << screen.ToString();

examples/dom/style_underlined.cpp

@@ -11,7 +11,7 @@ int main(int argc, const char *argv[])
       text(L"underlined") | underlined,
       text(L". Do you like it?")
     );
-  auto screen = Screen::TerminalOutput(document);
+  auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
   Render(screen, document.get());
 
   std::cout << screen.ToString();

examples/dom/vbox_hbox.cpp

@@ -28,7 +28,7 @@ int main(int argc, const char *argv[])
         text(L"south-east")
       )
     );
-  auto screen = Screen::TerminalFullscreen();
+  auto screen = Screen::Create(Dimension::Full());
   Render(screen, document.get());
 
   std::cout << screen.ToString();