imgui-knobs.h

#pragma once

#include <cstdlib>

#define IMGUI_DEFINE_MATH_OPERATORS
#include <imgui.h>

typedef int ImGuiKnobFlags;

enum ImGuiKnobFlags_ {
    ImGuiKnobFlags_NoTitle = 1 << 0,
    ImGuiKnobFlags_NoInput = 1 << 1,
    ImGuiKnobFlags_ValueTooltip = 1 << 2,
    ImGuiKnobFlags_DragHorizontal = 1 << 3,
    ImGuiKnobFlags_RotateRelative = 1 << 4,
    ImGuiKnobFlags_RotateAbsolute = 1 << 5,
    ImGuiKnobFlags_WrapAround = 1 << 6,
};

typedef int ImGuiKnobVariant;

enum ImGuiKnobVariant_ {
    ImGuiKnobVariant_Tick = 1 << 0,
    ImGuiKnobVariant_Dot = 1 << 1,
    ImGuiKnobVariant_Wiper = 1 << 2,
    ImGuiKnobVariant_WiperOnly = 1 << 3,
    ImGuiKnobVariant_WiperDot = 1 << 4,
    ImGuiKnobVariant_Stepped = 1 << 5,
    ImGuiKnobVariant_Space = 1 << 6,
};

namespace ImGuiKnobs {

    struct color_set {
        ImColor base;
        ImColor hovered;
        ImColor active;

        color_set(ImColor base, ImColor hovered, ImColor active) : base(base), hovered(hovered), active(active) {}

        color_set(ImColor color) {
            base = color;
            hovered = color;
            active = color;
        }
    };

    bool Knob(const char *label, float *p_value, float v_min, float v_max, float speed = 0, const char *format = NULL, ImGuiKnobVariant variant = ImGuiKnobVariant_Tick, float size = 0, ImGuiKnobFlags flags = 0, int steps = 10
              ,float aAngleMin=3.14159265358979323846f*0.75f,float aAngleMax=3.14159265358979323846f*2.25f);
    bool KnobInt(const char *label, int *p_value, int v_min, int v_max, float speed = 0, const char *format = NULL, ImGuiKnobVariant variant = ImGuiKnobVariant_Tick, float size = 0, ImGuiKnobFlags flags = 0, int steps = 10);
}// namespace ImGuiKnobs