IPlugExamples/MoreExamples/IPlugMouseTest/IPlugMouseTestControls.h

   1 class IXYPad : public IControl
   2 {
   3 public:
   4   IXYPad(IPlugBase *pPlug, IRECT pR, int handleRadius, int paramA, int paramB)
   5   : IControl(pPlug, pR)
   6   , mHandleRadius(handleRadius)
   7   , mHandleColor(COLOR_WHITE)
   8   {
   9     AddAuxParam(paramA);
  10     AddAuxParam(paramB);
  11   }
  12
  13   bool Draw(IGraphics* pGraphics)
  14   {
  15     double xpos = GetAuxParam(0)->mValue * mRECT.W();
  16     double ypos = GetAuxParam(1)->mValue * mRECT.H();
  17
  18     pGraphics->DrawLine(&mHandleColor, xpos+mRECT.L, mRECT.T, xpos+mRECT.L, mRECT.B, 0, false);
  19     pGraphics->DrawLine(&mHandleColor, mRECT.L, ypos+mRECT.T, mRECT.R, ypos+mRECT.T, 0, false);
  20     pGraphics->FillCircle(&mHandleColor, xpos+mRECT.L, ypos+mRECT.T, mHandleRadius, 0, true);
  21
  22     return true;
  23   }
  24
  25 //  void OnMouseOver(int x, int y, IMouseMod* pMod)
  26 //  {
  27 //    return SnapToMouse(x, y);
  28 //  }
  29 //
  30   void OnMouseDown(int x, int y, IMouseMod* pMod)
  31   {
  32     mHandleColor = COLOR_BLACK;
  33     return SnapToMouse(x, y);
  34   }
  35
  36   void OnMouseUp(int x, int y, IMouseMod* pMod)
  37   {
  38     mHandleColor = COLOR_WHITE;
  39   }
  40
  41   void OnMouseDrag(int x, int y, int dX, int dY, IMouseMod* pMod)
  42   {
  43     return SnapToMouse(x, y);
  44   }
  45
  46   void SnapToMouse(int x, int y)
  47   {
  48     GetAuxParam(0)->mValue = BOUNDED((double)x / (double)mRECT.W(), 0, 1);
  49     GetAuxParam(1)->mValue = BOUNDED((double)y / (double)mRECT.H(), 0, 1);
  50
  51     SetDirty();
  52   }
  53
  54   void SetDirty(bool pushParamToPlug = true)
  55   {
  56     mDirty = true;
  57
  58     if (pushParamToPlug && mPlug)
  59     {
  60       SetAllAuxParamsFromGUI();
  61     }
  62   }
  63 private:
  64   int mHandleRadius;
  65   IColor mHandleColor;
  66 };