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Feature: Slider in any directions. (#468)

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Add the `SliderOption` option supporting:
```cpp
{
  Ref<T> value;
  ConstRef<T> min = T(0);
  ConstRef<T> max = T(100);
  ConstRef<T> increment = (max() - min()) / 20;
  GaugeDirection direction = GaugeDirection::Right;
  Color color_active = Color::White;
  Color color_inactive = Color::GrayDark;
};
```

In particular, this supports multiple direction. This resolves:
https://github.com/ArthurSonzogni/FTXUI/issues/467

This one do not support adding a label. The old constructors can still
be used to have a label.
This commit is contained in:
Arthur Sonzogni
2022-08-30 18:52:33 +02:00
committed by GitHub
parent 8226c5aea7
commit b3ba747d82
19 changed files with 452 additions and 77 deletions
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5
include/ftxui/component/component.hpp
View File

@@ -10,7 +10,7 @@
#include "ftxui/component/component_base.hpp" // for Component, Components
#include "ftxui/component/component_options.hpp" // for ButtonOption, CheckboxOption, MenuOption
#include "ftxui/dom/elements.hpp" // for Element
#include "ftxui/util/ref.hpp" // for Ref, ConstStringRef, ConstStringListRef, StringRef
#include "ftxui/util/ref.hpp" // for ConstRef, Ref, ConstStringRef, ConstStringListRef, StringRef
namespace ftxui {
struct ButtonOption;
@@ -82,6 +82,9 @@ Component Slider(ConstStringRef label,
ConstRef<long> min = 0l,
ConstRef<long> max = 100l,
ConstRef<long> increment = 5l);
// General slider type without support for a `label`.
template <typename T> // T = {int, float, long}
Component Slider(SliderOption<T> options = {});
Component ResizableSplitLeft(Component main, Component back, int* main_size);
Component ResizableSplitRight(Component main, Component back, int* main_size);

23
include/ftxui/component/component_options.hpp
View File

@@ -3,11 +3,11 @@
#include <chrono> // for milliseconds
#include <ftxui/component/animation.hpp> // for Duration, QuadraticInOut, Function
#include <ftxui/dom/elements.hpp> // for Element
#include <ftxui/util/ref.hpp> // for Ref
#include <functional> // for function
#include <optional> // for optional
#include <string> // for string
#include <ftxui/dom/elements.hpp> // for Element, GaugeDirection, GaugeDirection::Right
#include <ftxui/util/ref.hpp> // for Ref, ConstRef
#include <functional> // for function
#include <optional> // for optional
#include <string> // for string
#include "ftxui/screen/color.hpp" // for Color, Color::GrayDark, Color::White
@@ -164,6 +164,19 @@ struct RadioboxOption {
Ref<int> focused_entry = 0;
};
// @brief Option for the `Slider` component.
// @ingroup component
template <typename T>
struct SliderOption {
Ref<T> value;
ConstRef<T> min = T(0);
ConstRef<T> max = T(100);
ConstRef<T> increment = (max() - min()) / 20;
GaugeDirection direction = GaugeDirection::Right;
Color color_active = Color::White;
Color color_inactive = Color::GrayDark;
};
} // namespace ftxui
#endif /* end of include guard: FTXUI_COMPONENT_COMPONENT_OPTIONS_HPP */