input_box.h

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#ifndef ASW_MODULES_UI_INPUT_BOX_H
#define ASW_MODULES_UI_INPUT_BOX_H
 
#include <functional>
#include <optional>
#include <string>
 
#include "../types.h"
#include "context.h"
#include "widget.h"
 
namespace asw::ui {
 
class InputBox : public Widget {
public:
    InputBox()
    {
        focusable = true;
    }
 
    ~InputBox() override;
 
    InputBox(const InputBox&) = delete;
    InputBox& operator=(const InputBox&) = delete;
 
    std::function<void(const std::string&)> on_change;
 
    void on_focus_changed(Context& ctx, bool focused) override;
 
    bool on_event(Context& ctx, const UIEvent& e) override;
 
    void draw(Context& ctx) override;
 
    asw::Font font;
 
    std::string value;
 
    std::string placeholder;
 
    std::optional<InputStyle> style;
 
    const InputStyle& get_style(const Context& ctx) const
    {
        return style ? *style : ctx.theme.input;
    }
 
private:
    std::size_t _cursor_pos = 0;
 
    float _scroll = 0.0F;
};
 
} // namespace asw::ui
 
#endif // ASW_MODULES_UI_INPUT_BOX_H