Add menu styles.

2025-09-24 06:28:12 +08:00 · 2019-01-03 00:35:59 +01:00
parent 13e04176a4
commit 178feaa6a9
20 changed files with 241 additions and 46 deletions
--- a/examples/component/menu_style.cpp
+++ b/examples/component/menu_style.cpp
@@ -0,0 +1,87 @@
+#include <iostream>
+#include <thread>
+
+#include "ftxui/component/component_horizontal.hpp"
+#include "ftxui/component/menu.hpp"
+#include "ftxui/screen_interactive.hpp"
+#include "ftxui/util/string.hpp"
+
+using namespace ftxui;
+using namespace ftxui::component;
+using namespace ftxui::dom;
+
+class MyComponent : ComponentHorizontal {
+  public:
+   MyComponent(ftxui::component::Delegate* delegate)
+       : ComponentHorizontal(delegate),
+         menu_1(delegate->NewChild()),
+         menu_2(delegate->NewChild()),
+         menu_3(delegate->NewChild()),
+         menu_4(delegate->NewChild()),
+         menu_5(delegate->NewChild()),
+         menu_6(delegate->NewChild()) {
+
+     for(Menu* menu : {&menu_1, &menu_2, &menu_3, &menu_4, &menu_5, &menu_6}) {
+       menu->entries = {
+         L"Monkey",
+         L"Dog",
+         L"Cat",
+         L"Bird",
+         L"Elephant",
+       };
+       menu->on_enter = [this]() { on_enter(); };
+     }
+
+     menu_2.selected_style = color(Color::Blue);
+     menu_2.active_style = compose(bold, color(Color::Blue));
+
+     menu_3.selected_style = color(Color::Blue);
+     menu_3.active_style = bgcolor(Color::Blue);
+
+     menu_4.selected_style = bgcolor(Color::Blue);
+     menu_4.active_style = bgcolor(Color::BlueLight);
+
+     menu_5.normal_style = bgcolor(Color::Blue);
+     menu_5.selected_style = bgcolor(Color::Yellow);
+     menu_5.active_style = bgcolor(Color::Red);
+
+     menu_6.normal_style = compose(dim, color(Color::Blue));
+     menu_6.selected_style = compose(nothing, color(Color::Blue));
+     menu_6.active_style = compose(bold, color(Color::Blue));
+
+     Focus(&menu_1);
+   }
+
+   std::function<void()> on_enter = [](){};
+  private:
+   Menu menu_1;
+   Menu menu_2;
+   Menu menu_3;
+   Menu menu_4;
+   Menu menu_5;
+   Menu menu_6;
+
+   Element Render() override {
+     return
+      vbox(
+        hbox(
+          flex(frame(center(text(L" menu_1 ")), menu_1.Render())),
+          flex(frame(center(text(L" menu_2 ")), menu_2.Render())),
+          flex(frame(center(text(L" menu_3 ")), menu_3.Render()))
+        ),
+        hbox(
+          flex(frame(center(text(L" menu_4 ")), menu_4.Render())),
+          flex(frame(center(text(L" menu_5 ")), menu_5.Render())),
+          flex(frame(center(text(L" menu_6 ")), menu_6.Render()))
+        )
+      );
+   }
+};
+
+int main(int argc, const char *argv[])
+{
+  ftxui::ScreenInteractive screen(90,14);
+  MyComponent component(screen.delegate());
+  component.on_enter = screen.ExitLoopClosure();
+  screen.Loop();
+}