CC input

- Add an EditValue in the knob
- Shade the knobs when editing
- Right-click on the knob allows to change from low resolution to high resolution CC

plugins/editor/src/editor/Editor.cpp

@@ -162,11 +162,11 @@ struct Editor::Impl : EditorController::Receiver,
     SharedPointer<CBitmap> backgroundBitmap_;
     SharedPointer<CBitmap> defaultBackgroundBitmap_;
 
-    CControl* getSecondaryCCControl(unsigned cc)
+    SKnobCCBox* getSecondaryCCKnob(unsigned cc)
     {
         switch (cc) {
-        case 7: return volumeCCKnob_ ? volumeCCKnob_->getControl() : nullptr;
-        case 10: return panCCKnob_ ? panCCKnob_->getControl() : nullptr;
+        case 7: return volumeCCKnob_ ? volumeCCKnob_ : nullptr;
+        case 10: return panCCKnob_ ? panCCKnob_ : nullptr;
         default: return nullptr;
         }
     }
@@ -906,6 +906,10 @@ void Editor::Impl::createFrameContents()
             box->setCCLabelFont(font);
             OnThemeChanged.push_back([box, palette]() {
                 box->setNameLabelFontColor(palette->knobText);
+                box->setValueEditFontColor(palette->knobText);
+                auto shadingColor = palette->knobText;
+                shadingColor.alpha = 70;
+                box->setShadingRectangleColor(shadingColor);
                 box->setCCLabelFontColor(palette->knobLabelText);
                 box->setCCLabelBackColor(palette->knobLabelBackground);
                 box->setKnobFontColor(palette->knobText);
@@ -913,10 +917,6 @@ void Editor::Impl::createFrameContents()
                 box->setKnobActiveTrackColor(palette->knobActiveTrack);
                 box->setKnobInactiveTrackColor(palette->knobInactiveTrack);
             });
-            box->setValueToStringFunction([](float value, std::string& text) -> bool {
-                text = std::to_string(std::lround(value * 127));
-                return true;
-            });
             return box;
         };
         auto createBackground = [&background](const CRect& bounds, int, const char*, CHoriTxtAlign, int) {
@@ -932,6 +932,10 @@ void Editor::Impl::createFrameContents()
             panel->setCCLabelFont(font);
             OnThemeChanged.push_back([panel, palette]() {
                 panel->setNameLabelFontColor(palette->knobText);
+                panel->setValueEditFontColor(palette->knobText);
+                auto shadingColor = palette->knobText;
+                shadingColor.alpha = 70;
+                panel->setShadingRectangleColor(shadingColor);
                 panel->setCCLabelFontColor(palette->knobLabelText);
                 panel->setCCLabelBackColor(palette->knobLabelBackground);
                 panel->setKnobFontColor(palette->knobText);
@@ -1665,7 +1669,7 @@ void Editor::Impl::updateCCValue(unsigned cc, float value)
     if (SControlsPanel* panel = controlsPanel_)
         panel->setControlValue(cc, value);
 
-    if (CControl* other = getSecondaryCCControl(cc)) {
+    if (SKnobCCBox* other = getSecondaryCCKnob(cc)) {
         other->setValue(value);
         other->invalid();
     }
@@ -1676,7 +1680,7 @@ void Editor::Impl::updateCCDefaultValue(unsigned cc, float value)
     if (SControlsPanel* panel = controlsPanel_)
         panel->setControlDefaultValue(cc, value);
 
-    if (CControl* other = getSecondaryCCControl(cc))
+    if (SKnobCCBox* other = getSecondaryCCKnob(cc))
         other->setDefaultValue(value);
 }
 

plugins/editor/src/editor/GUIComponents.cpp

@@ -15,6 +15,7 @@
 #include "vstgui/lib/cvstguitimer.h"
 #include "vstgui/lib/cframe.h"
 #include "utility/vstgui_after.h"
+#include "absl/strings/numbers.h"
 
 ///
 SBoxContainer::SBoxContainer(const CRect& size)
@@ -517,12 +518,6 @@ void SStyledKnob::setFontColor(CColor fontColor)
     invalid();
 }
 
-void SStyledKnob::setValueToStringFunction(ValueToStringFunction func)
-{
-    valueToStringFunction_ = std::move(func);
-    invalid();
-}
-
 void SStyledKnob::draw(CDrawContext* dc)
 {
     const CCoord lineWidth = 4.0;
@@ -581,14 +576,18 @@ void SStyledKnob::draw(CDrawContext* dc)
         dc->setLineStyle(kLineSolid);
         dc->drawLine(p1, p2);
     }
+}
 
-    if (valueToStringFunction_ && fontColor_.alpha > 0) {
-        std::string text;
-        if (valueToStringFunction_(getValue(), text)) {
-            dc->setFont(font_);
-            dc->setFontColor(fontColor_);
-            dc->drawString(text.c_str(), bounds);
-        }
+void CFilledRect::draw(CDrawContext* dc)
+{
+    CRect bounds = getViewSize();
+    dc->setFillColor(color_);
+    bool isRounded = radius_ > 0.0;
+    if (isRounded) {
+        auto roundRect = owned(dc->createRoundRectGraphicsPath(bounds, radius_));
+        dc->drawGraphicsPath(roundRect, CDrawContext::kPathFilled);
+    } else {
+        dc->drawRect(bounds, kDrawFilled);
     }
 }
 
@@ -596,8 +595,12 @@ void SStyledKnob::draw(CDrawContext* dc)
 SKnobCCBox::SKnobCCBox(const CRect& size, IControlListener* listener, int32_t tag)
     : CViewContainer(size),
       label_(makeOwned<CTextLabel>(CRect())),
+      valueEdit_(makeOwned<CTextEdit>(CRect(), listener, tag)),
       knob_(makeOwned<SStyledKnob>(CRect(), listener, tag)),
-      ccLabel_(makeOwned<CTextLabel>(CRect()))
+      ccLabel_(makeOwned<CTextLabel>(CRect())),
+      shadingRectangle_(makeOwned<CFilledRect>(CRect())),
+      menuEntry_(makeOwned<CMenuItem>("Use HDCC", tag)),
+      menuListener_(owned(new MenuListener(*this)))
 {
     setBackgroundColor(CColor(0x00, 0x00, 0x00, 0x00));
 
@@ -614,17 +617,118 @@ SKnobCCBox::SKnobCCBox(const CRect& size, IControlListener* listener, int32_t ta
     ccLabel_->setFrameColor(CColor(0x00, 0x00, 0x00, 0x00));
     ccLabel_->setFontColor(CColor(0xff, 0xff, 0xff));
 
+    valueEdit_->setBackColor(CColor(0x00, 0x00, 0x00, 0x00));
+    valueEdit_->setFrameColor(CColor(0x00, 0x00, 0x00, 0x00));
+    valueEdit_->setFontColor(CColor(0x00, 0x00, 0x00, 0xff));
+    valueEdit_->registerViewListener(this);
+    setHDMode(false);
+    valueEdit_->setVisible(true);
+
+    shadingRectangle_->setVisible(false);
+
     addView(label_);
     label_->remember();
     addView(knob_);
     knob_->remember();
+    addView(shadingRectangle_);
+    shadingRectangle_->remember();
+    addView(valueEdit_);
+    valueEdit_->remember();
     addView(ccLabel_);
     ccLabel_->remember();
-
     updateViewColors();
     updateViewSizes();
 }
 
+SKnobCCBox::~SKnobCCBox()
+{
+    valueEdit_->unregisterViewListener(this);
+}
+
+void SKnobCCBox::setHDMode(bool mode)
+{
+    if (mode) {
+        valueEdit_->setValueToStringFunction2([](float value, std::string& text, VSTGUI::CParamDisplay*) -> bool {
+            std::string s = std::to_string(value + 0.005f);
+            text = s.substr(0, 4);
+            return true;
+        });
+        valueEdit_->setStringToValueFunction([](UTF8StringPtr txt, float& result, CTextEdit*) -> bool {
+            float value;
+            if (absl::SimpleAtof(txt, &value)) {
+                result = value;
+                return true;
+            }
+
+            return false;
+        });
+        menuEntry_->setTitle("Use low-res. CC");
+    } else {
+        valueEdit_->setValueToStringFunction2([](float value, std::string& text, VSTGUI::CParamDisplay*) -> bool {
+            text = std::to_string(std::lround(value * 127));
+            return true;
+        });
+        valueEdit_->setStringToValueFunction([](UTF8StringPtr txt, float& result, CTextEdit*) -> bool {
+            float value;
+            if (absl::SimpleAtof(txt, &value)) {
+                result = value / 127.0f;
+                return true;
+            }
+
+            return false;
+        });
+        menuEntry_->setTitle("Use high-res. CC");
+    }
+
+    hdMode_ = mode;
+    valueEdit_->setValue(valueEdit_->getValue());
+    invalid();
+}
+
+CMouseEventResult SKnobCCBox::onMouseDown(CPoint& where, const CButtonState& buttons)
+{
+    if (buttons.isRightButton()) {
+        CFrame* frame = getFrame();
+        CPoint frameWhere = where;
+        frameWhere.offset(-getViewSize().left, -getViewSize().top);
+        this->localToFrame(frameWhere);
+
+        auto self = shared(this);
+        frame->doAfterEventProcessing([self, frameWhere]() {
+            if (CFrame* frame = self->getFrame()) {
+                SharedPointer<COptionMenu> menu =
+                    owned(new COptionMenu(CRect(), self->menuListener_, -1, nullptr, nullptr, COptionMenu::kPopupStyle));
+                menu->addEntry(self->menuEntry_);
+                self->menuEntry_->remember(); // above call does not increment refcount
+
+                menu->setFont(self->getValueEditFont());
+                menu->setFontColor(self->getValueEditFontColor());
+                menu->setBackColor(self->getValueEditBackColor());
+                menu->popup(frame, frameWhere);
+            }
+        });
+        return kMouseEventHandled;
+    }
+
+    return CViewContainer::onMouseDown(where, buttons);
+}
+
+void SKnobCCBox::viewLostFocus (CView* view)
+{
+    if (view == valueEdit_.get()) {
+        shadingRectangle_->setVisible(false);
+        invalid();
+    }
+}
+
+void SKnobCCBox::viewTookFocus (CView* view)
+{
+    if (view == valueEdit_.get()) {
+        shadingRectangle_->setVisible(true);
+        invalid();
+    }
+}
+
 void SKnobCCBox::setHue(float hue)
 {
     hue_ = hue;
@@ -637,12 +741,33 @@ void SKnobCCBox::setNameLabelFont(CFontRef font)
     updateViewSizes();
 }
 
+void SKnobCCBox::setValueEditFont(CFontRef font)
+{
+    label_->setFont(font);
+    updateViewSizes();
+}
+
 void SKnobCCBox::setCCLabelFont(CFontRef font)
 {
     ccLabel_->setFont(font);
     updateViewSizes();
 }
 
+void SKnobCCBox::setValue(float value)
+{
+    float oldValue = knob_->getValue();
+    knob_->setValue(value);
+    valueEdit_->setValue(value);
+    if (value != oldValue)
+        invalid();
+}
+
+void SKnobCCBox::setDefaultValue(float value)
+{
+    knob_->setDefaultValue(value);
+    valueEdit_->setDefaultValue(value);
+}
+
 void SKnobCCBox::updateViewSizes()
 {
     const CRect size = getViewSize();
@@ -650,10 +775,17 @@ void SKnobCCBox::updateViewSizes()
 
     const CFontRef nameFont = label_->getFont();
     const CFontRef ccFont = ccLabel_->getFont();
+    const CFontRef valueFont = valueEdit_->getFont();
 
     nameLabelSize_ = CRect(0.0, 0.0, size.getWidth(), nameFont->getSize() + 2 * ypad);
     ccLabelSize_ = CRect(0.0, size.getHeight() - ccFont->getSize() - 2 * ypad, size.getWidth(), size.getHeight());
     knobSize_ = CRect(0.0, nameLabelSize_.bottom, size.getWidth(), ccLabelSize_.top);
+    valueEditSize_ = CRect(
+        size.getWidth() / 2 - valueFont->getSize(),
+        size.getHeight() / 2 - valueFont->getSize() / 2,
+        size.getWidth() / 2 + valueFont->getSize(),
+        size.getHeight() / 2 + valueFont->getSize() / 2
+    );
 
     // remove knob side areas
     CCoord side = std::max(0.0, knobSize_.getWidth() - knobSize_.getHeight());
@@ -663,6 +795,8 @@ void SKnobCCBox::updateViewSizes()
     label_->setViewSize(nameLabelSize_);
     knob_->setViewSize(knobSize_);
     ccLabel_->setViewSize(ccLabelSize_);
+    valueEdit_->setViewSize(valueEditSize_);
+    shadingRectangle_->setViewSize(knobSize_);
 
     invalid();
 }
@@ -746,11 +880,6 @@ SControlsPanel::ControlSlot* SControlsPanel::getOrCreateSlot(uint32_t index)
     slot->box = box;
     slot->box->setCCLabelText(("CC " + std::to_string(index)).c_str());
 
-    slot->box->setValueToStringFunction([](float value, std::string& text) -> bool {
-        text = std::to_string(std::lround(value * 127));
-        return true;
-    });
-
     syncSlotStyle(index);
 
     return slot;
@@ -760,10 +889,9 @@ void SControlsPanel::setControlValue(uint32_t index, float value)
 {
     ControlSlot* slot = getOrCreateSlot(index);
     SKnobCCBox* box = slot->box;
-    auto* control = box->getControl();
-    float oldValue = control->getValue();
-    control->setValue(value);
-    if (control->getValue() != oldValue)
+    float oldValue = box->getValue();
+    box->setValue(value);
+    if (box->getValue() != oldValue)
         box->invalid();
 }
 
@@ -771,7 +899,7 @@ void SControlsPanel::setControlDefaultValue(uint32_t index, float value)
 {
     ControlSlot* slot = getOrCreateSlot(index);
     SKnobCCBox* box = slot->box;
-    box->getControl()->setDefaultValue(value);
+    box->setDefaultValue(value);
 }
 
 void SControlsPanel::setControlLabelText(uint32_t index, UTF8StringPtr text)
@@ -788,12 +916,14 @@ void SControlsPanel::setControlLabelText(uint32_t index, UTF8StringPtr text)
 void SControlsPanel::setNameLabelFont(CFontRef font)
 {
     slots_[0]->box->setNameLabelFont(font);
+    slots_[0]->box->setValueEditFont(font);
     syncAllSlotStyles();
 }
 
 void SControlsPanel::setNameLabelFontColor(CColor color)
 {
     slots_[0]->box->setNameLabelFontColor(color);
+    slots_[0]->box->setValueEditFontColor(color);
     syncAllSlotStyles();
 }
 
@@ -815,6 +945,24 @@ void SControlsPanel::setCCLabelFontColor(CColor color)
     syncAllSlotStyles();
 }
 
+void SControlsPanel::setValueEditBackColor(CColor color)
+{
+    slots_[0]->box->setValueEditBackColor(color);
+    syncAllSlotStyles();
+}
+
+void SControlsPanel::setShadingRectangleColor(CColor color)
+{
+    slots_[0]->box->setShadingRectangleColor(color);
+    syncAllSlotStyles();
+}
+
+void SControlsPanel::setValueEditFontColor(CColor color)
+{
+    slots_[0]->box->setValueEditFontColor(color);
+    syncAllSlotStyles();
+}
+
 void SControlsPanel::setKnobActiveTrackColor(CColor color)
 {
     slots_[0]->box->setKnobActiveTrackColor(color);
@@ -947,6 +1095,11 @@ void SControlsPanel::syncSlotStyle(uint32_t index)
         cur->setNameLabelFont(ref->getNameLabelFont());
         cur->setNameLabelFontColor(ref->getNameLabelFontColor());
 
+        cur->setValueEditFont(ref->getValueEditFont());
+        cur->setValueEditFontColor(ref->getValueEditFontColor());
+
+        cur->setShadingRectangleColor(ref->getShadingRectangleColor());
+
         cur->setCCLabelFont(ref->getCCLabelFont());
         cur->setCCLabelFontColor(ref->getCCLabelFontColor());
         cur->setCCLabelBackColor(ref->getCCLabelBackColor());

plugins/editor/src/editor/GUIComponents.h

@@ -14,6 +14,7 @@
 #include "vstgui/lib/controls/cslider.h"
 #include "vstgui/lib/controls/cknob.h"
 #include "vstgui/lib/controls/ctextlabel.h"
+#include "vstgui/lib/controls/ctextedit.h"
 #include "vstgui/lib/controls/cbuttons.h"
 #include "vstgui/lib/controls/coptionmenu.h"
 #include "vstgui/lib/controls/cscrollbar.h"
@@ -230,9 +231,6 @@ public:
     void setFontColor(CColor fontColor);
     CColor getFontColor() const { return fontColor_; }
 
-    using ValueToStringFunction = std::function<bool(float value, std::string& result)>;
-    void setValueToStringFunction(ValueToStringFunction func);
-
     CLASS_METHODS(SStyledKnob, CKnobBase)
 protected:
     void draw(CDrawContext* dc) override;
@@ -244,16 +242,37 @@ private:
 
     SharedPointer<CFontDesc> font_ = kNormalFont;
     CColor fontColor_ { 0x00, 0x00, 0x00 };
+};
 
-    ValueToStringFunction valueToStringFunction_;
+class CFilledRect : public CView
+{
+public:
+    explicit CFilledRect(const CRect& size)
+    : CView(size) {}
+
+    void setRadius(CCoord radius) { radius_ = radius; invalid(); }
+    CCoord getRadius() const { return radius_; }
+
+    void setColor(CColor color){ color_ = color; invalid(); }
+    CColor getColor() { return color_; }
+protected:
+    void draw(CDrawContext* dc) override;
+private:
+    CCoord radius_  { 5.0 };
+    CColor color_  { 0, 0, 0, 70 };
 };
 
 ///
-class SKnobCCBox : public CViewContainer {
+class SKnobCCBox : public CViewContainer, ViewListenerAdapter {
 public:
     SKnobCCBox(const CRect& size, IControlListener* listener, int32_t tag);
+    ~SKnobCCBox();
     void setHue(float hue);
-    SStyledKnob* getControl() const { return knob_; }
+
+    float getValue() const { return knob_->getValue(); }
+    float getDefaultValue() const { return knob_->getDefaultValue(); }
+    void setValue(float value);
+    void setDefaultValue(float value);
 
     void setNameLabelText(const UTF8String& name) { label_->setText(name); label_->invalid(); }
     void setCCLabelText(const UTF8String& name) { ccLabel_->setText(name); ccLabel_->invalid(); }
@@ -264,6 +283,18 @@ public:
     void setNameLabelFontColor(CColor color) { label_->setFontColor(color); label_->invalid(); }
     CColor getNameLabelFontColor() const { return label_->getFontColor(); }
 
+    void setValueEditFont(CFontRef font);
+    CFontRef getValueEditFont() const { return label_->getFont(); }
+
+    void setValueEditFontColor(CColor color) { valueEdit_->setFontColor(color); valueEdit_->invalid(); }
+    CColor getValueEditFontColor() const { return valueEdit_->getFontColor(); }
+
+    void setValueEditBackColor(CColor color) { valueEdit_->setBackColor(color); valueEdit_->invalid(); }
+    CColor getValueEditBackColor() const { return valueEdit_->getBackColor(); }
+
+    void setShadingRectangleColor(CColor color) { shadingRectangle_->setColor(color); shadingRectangle_->invalid(); }
+    CColor getShadingRectangleColor() const { return shadingRectangle_->getColor(); }
+
     void setCCLabelFont(CFontRef font);
     CFontRef getCCLabelFont() const { return ccLabel_->getFont(); }
 
@@ -288,21 +319,43 @@ public:
     void setKnobFontColor(CColor color) { knob_->setFontColor(color); knob_->invalid(); }
     CColor getKnobFontColor() const { return knob_->getFontColor(); }
 
-    using ValueToStringFunction = SStyledKnob::ValueToStringFunction;
-    void setValueToStringFunction(ValueToStringFunction f) { knob_->setValueToStringFunction(std::move(f)); knob_->invalid(); }
+	void viewLostFocus (CView* view) override;
+	void viewTookFocus (CView* view) override;
+
+    bool isHD() const noexcept { return hdMode_; }
+    void setHDMode(bool mode);
+
+protected:
+    CMouseEventResult onMouseDown(CPoint& where, const CButtonState& buttons) override;
 
 private:
     void updateViewSizes();
     void updateViewColors();
-
-private:
     SharedPointer<CTextLabel> label_;
+    SharedPointer<CTextEdit> valueEdit_;
     SharedPointer<SStyledKnob> knob_;
     SharedPointer<CTextLabel> ccLabel_;
+    SharedPointer<CFilledRect> shadingRectangle_;
+    SharedPointer<CMenuItem> menuEntry_;
     CRect nameLabelSize_;
     CRect knobSize_;
     CRect ccLabelSize_;
+    CRect valueEditSize_;
+    CRect rectangleSize_;
     float hue_ = 0.35;
+
+    class MenuListener : public IControlListener, public NonAtomicReferenceCounted {
+    public:
+        explicit MenuListener(SKnobCCBox& box) : box_(box) {}
+        void valueChanged(CControl*) override
+        {
+            box_.setHDMode(!box_.isHD());
+        }
+    private:
+        SKnobCCBox& box_;
+    };
+    SharedPointer<MenuListener> menuListener_;
+    bool hdMode_ { false };
 };
 
 ///
@@ -320,6 +373,9 @@ public:
     void setCCLabelFont(CFontRef font);
     void setCCLabelBackColor(CColor color);
     void setCCLabelFontColor(CColor color);
+    void setValueEditBackColor(CColor color);
+    void setValueEditFontColor(CColor color);
+    void setShadingRectangleColor(CColor color);
     void setKnobActiveTrackColor(CColor color);
     void setKnobInactiveTrackColor(CColor color);
     void setKnobLineIndicatorColor(CColor color);

plugins/editor/src/editor/GUIPiano.cpp

@@ -188,7 +188,7 @@ void SPiano::draw(CDrawContext* dc)
             case KeyRole::Switch:
                 hcy.h = impl.keySwitchHue_;
                 break;
-            default: whiteKeyDefault:
+            default:
                 hcy.y = 1.0;
                 if (impl.keyval_[key])
                     hcy.c = 0.0;
@@ -226,7 +226,7 @@ void SPiano::draw(CDrawContext* dc)
             case KeyRole::Switch:
                 hcy.h = impl.keySwitchHue_;
                 break;
-            default: blackKeyDefault:
+            default:
                 hcy.c = 0.0;
                 break;
             }