Definition of the internal class that was previously in slider_internal.h
| 14 | |
| 15 | // Definition of the internal class that was previously in slider_internal.h |
| 16 | class JsonUiSliderInternal : public JsonUiInternal { |
| 17 | private: |
| 18 | float mMin; |
| 19 | float mMax; |
| 20 | float mValue; |
| 21 | float mStep; |
| 22 | bool mStepExplicitlySet; |
| 23 | |
| 24 | public: |
| 25 | // Constructor: Initializes the base JsonUiInternal with name, and sets initial values. |
| 26 | JsonUiSliderInternal(const fl::string& name, float value, float min, float max, float step = -1) |
| 27 | FL_NOEXCEPT : JsonUiInternal(name), mMin(min), mMax(max), mValue(value), mStep(step), mStepExplicitlySet(false) { |
| 28 | if (fl::almost_equal(mStep, -1.f) && mMax > mMin) { |
| 29 | mStep = (mMax - mMin) / 255.0f; |
| 30 | } else if (!fl::almost_equal(mStep, -1.f)) { |
| 31 | mStepExplicitlySet = true; |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | // Override toJson to serialize the slider's data directly. |
| 36 | void toJson(fl::json& json) const FL_NOEXCEPT override { |
| 37 | json.set("name", name()); |
| 38 | json.set("type", "slider"); |
| 39 | json.set("group", groupName()); |
| 40 | json.set("id", id()); |
| 41 | json.set("value", mValue); |
| 42 | json.set("min", mMin); |
| 43 | json.set("max", mMax); |
| 44 | // Only output step if it was explicitly set by the user |
| 45 | if (mStepExplicitlySet) { |
| 46 | json.set("step", mStep); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | // Override updateInternal to handle updates from JSON. |
| 51 | void updateInternal(const fl::json& json) FL_NOEXCEPT override { |
| 52 | float value = json | 0.0f; |
| 53 | if (value < mMin) { |
| 54 | value = mMin; |
| 55 | } else if (value > mMax) { |
| 56 | value = mMax; |
| 57 | } |
| 58 | mValue = value; |
| 59 | } |
| 60 | |
| 61 | // Accessors for the slider values. |
| 62 | float value() const FL_NOEXCEPT { return mValue; } |
| 63 | float getMin() const FL_NOEXCEPT { return mMin; } |
| 64 | float getMax() const FL_NOEXCEPT { return mMax; } |
| 65 | float step() const FL_NOEXCEPT { return mStep; } |
| 66 | |
| 67 | void setValue(float value) FL_NOEXCEPT { |
| 68 | if (value < mMin) { |
| 69 | value = mMin; |
| 70 | } else if (value > mMax) { |
| 71 | value = mMax; |
| 72 | } |
| 73 | mValue = value; |