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annotate AccessiblePeakMeter_controls.h @ 0:4606bd505630 tip

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author Fiore Martin <f.martin@qmul.ac.uk>
date Sat, 13 Jun 2015 15:08:10 +0100
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f@0 1 //
f@0 2 // AccessiblePeakMeter_controls.h
f@0 3 //
f@0 4 // Author: Fiore Martin
f@0 5 // Started from IPlugMultiTargets example in WDL-OL, by Oli Larkin - https://github.com/olilarkin/wdl-ol
f@0 6 //
f@0 7 // Licensed under the Cockos WDL License, see README.txt
f@0 8 //
f@0 9
f@0 10
f@0 11 /* Knob with a text label and a text displaying the current value */
f@0 12 class IKnobMultiControlText : public IKnobControl
f@0 13 {
f@0 14 private:
f@0 15 IRECT mDisplayRECT, mImgRECT, mNameRECT, mLabelRECT;
f@0 16 IBitmap mBitmap;
f@0 17
f@0 18 public:
f@0 19 IKnobMultiControlText(IPlugBase* pPlug, IRECT pR, int paramIdx, IBitmap* pBitmap, IText* pText, int indent = 10)
f@0 20 : IKnobControl(pPlug, pR, paramIdx), mBitmap(*pBitmap)
f@0 21 {
f@0 22 mText = *pText;
f@0 23 /* mRECT is the bounding rectangle of the whole KnobMultiControlText */
f@0 24 mNameRECT = IRECT(mRECT.L, mRECT.T,mRECT.R, mRECT.T+16);
f@0 25 mDisplayRECT = IRECT(mRECT.L, mRECT.B-25, mRECT.R-21, mRECT.B); // left, top, right, bottom
f@0 26 mLabelRECT = mDisplayRECT;
f@0 27 mLabelRECT.L = mDisplayRECT.R; // shift it to the right of the diplay RECT
f@0 28 mLabelRECT.R = mLabelRECT.L+indent; // how much the display is indented
f@0 29 mImgRECT = IRECT(mRECT.L, mRECT.T+16, &mBitmap);
f@0 30 mDisablePrompt = false;
f@0 31 }
f@0 32
f@0 33 ~IKnobMultiControlText() {}
f@0 34
f@0 35 bool Draw(IGraphics* pGraphics)
f@0 36 {
f@0 37 int i = 1 + int(0.5 + mValue * (double) (mBitmap.N - 1));
f@0 38 i = BOUNDED(i, 1, mBitmap.N);
f@0 39
f@0 40 /* draw the knob */
f@0 41 pGraphics->DrawBitmap(&mBitmap, &mImgRECT, i, &mBlend);
f@0 42
f@0 43 /* draw displayed value for host, that is the value as represented in the host */
f@0 44 char displayedValue[20];
f@0 45 mPlug->GetParam(mParamIdx)->GetDisplayForHost(displayedValue);
f@0 46
f@0 47 bool dispDrawn = true;
f@0 48 if (CSTR_NOT_EMPTY(displayedValue)) {
f@0 49 dispDrawn = pGraphics->DrawIText(&mText, displayedValue, &mDisplayRECT);
f@0 50 }
f@0 51
f@0 52 /* name of the parameter */
f@0 53 if (CSTR_NOT_EMPTY(mPlug->GetParam(mParamIdx)->GetNameForHost())){
f@0 54 char nameDisp[MAX_PARAM_NAME_LEN];
f@0 55 strcpy(nameDisp, mPlug->GetParam(mParamIdx)->GetNameForHost());
f@0 56
f@0 57 if (CSTR_NOT_EMPTY(mPlug->GetParam(mParamIdx)->GetLabelForHost())){
f@0 58 char label[MAX_PARAM_LABEL_LEN];
f@0 59 strcpy(label, mPlug->GetParam(mParamIdx)->GetLabelForHost());
f@0 60 pGraphics->DrawIText(&mText, label, &mLabelRECT);
f@0 61 }
f@0 62
f@0 63 return dispDrawn && pGraphics->DrawIText(&mText, nameDisp, &mNameRECT);
f@0 64 }
f@0 65
f@0 66 return dispDrawn;
f@0 67 }
f@0 68
f@0 69 void OnMouseDown(int x, int y, IMouseMod* pMod)
f@0 70 {
f@0 71 OnMouseDrag(x, y, 0, 0, pMod);
f@0 72 }
f@0 73
f@0 74 /* double click puts it back to default value */
f@0 75 void OnMouseDblClick(int x, int y, IMouseMod* pMod)
f@0 76 {
f@0 77 if (mDefaultValue >= 0.0)
f@0 78 {
f@0 79 mValue = mDefaultValue;
f@0 80 SetDirty();
f@0 81 }
f@0 82 }
f@0 83
f@0 84 };
f@0 85
f@0 86 /* Fader for the vertical peak level meter. It includes a text displaying the fader's current value in dB */
f@0 87 class IFaderVertText : public IFaderControl
f@0 88 {
f@0 89 ITextControl *mDisplayText;
f@0 90
f@0 91 public :
f@0 92 IFaderVertText(IPlugBase *pPlug, int x, int y, int len, int paramIdx, IBitmap *pBitmap, ITextControl* pText)
f@0 93 : IFaderControl(pPlug, x, y, len, paramIdx, pBitmap), mDisplayText(pText)
f@0 94 {
f@0 95 makeDisplayText();
f@0 96 }
f@0 97
f@0 98 ~IFaderVertText() {}
f@0 99
f@0 100 void OnMouseDown(int x, int y, IMouseMod* pMod)
f@0 101 {
f@0 102 // empty method override avoids IFaderControl::SnapToMouse(x, y);
f@0 103 }
f@0 104
f@0 105 void OnMouseDblClick(int x, int y, IMouseMod *pMod){
f@0 106 IFaderControl::OnMouseDblClick(x, y, pMod);
f@0 107 makeDisplayText();
f@0 108 }
f@0 109
f@0 110 void OnMouseDrag(int x, int y, int dX, int dY, IMouseMod* pMod){
f@0 111 IFaderControl::OnMouseDrag(x, y, dX, dY, pMod);
f@0 112 makeDisplayText();
f@0 113 }
f@0 114
f@0 115 /* changes the display text upon mouse dragging. If a value is passed
f@0 116 it is used for display else it's retrieved from the member value of this control.
f@0 117 Passing an explicit value fixes an uncorrect update in SetValueFromPlug.
f@0 118 The GUI update was in fact one step behind the update in the Daw.
f@0 119 */
f@0 120 void makeDisplayText(const double* value = NULL) {
f@0 121 char textDisplay[MAX_PARAM_LABEL_LEN + MAX_PARAM_DISPLAY_LEN+1];
f@0 122
f@0 123 if (value == NULL){
f@0 124 mPlug->GetParam(mParamIdx)->GetDisplayForHost(textDisplay);
f@0 125 }
f@0 126 else{
f@0 127 mPlug->GetParam(mParamIdx)->GetDisplayForHost(*value, true, textDisplay, true);
f@0 128 }
f@0 129 strcat(textDisplay, " ");
f@0 130 strcat(textDisplay, mPlug->GetParam(mParamIdx)->GetLabelForHost());
f@0 131 mDisplayText->SetTextFromPlug(textDisplay);
f@0 132 }
f@0 133
f@0 134 /* This updates the GUI when the parameter is set from the Daw */
f@0 135 virtual void SetValueFromPlug(double value) {
f@0 136 IFaderControl::SetValueFromPlug(value);
f@0 137
f@0 138 makeDisplayText(&value);
f@0 139 }
f@0 140 };
f@0 141
f@0 142 /* Peak meter gauge. Doesn't control any parameter,
f@0 143 only shows the audio level in dB. Orientation is vertical
f@0 144 */
f@0 145 class IPeakMeterVert : public IControl
f@0 146 {
f@0 147
f@0 148 public:
f@0 149
f@0 150 IPeakMeterVert(IPlugBase* pPlug, IRECT pR, double defaultValueNormalized)
f@0 151 : IControl(pPlug, pR)
f@0 152 {
f@0 153 mColor = IColor (255, 0, 35, 150);
f@0 154 mDefaultValue = defaultValueNormalized;
f@0 155 }
f@0 156
f@0 157 ~IPeakMeterVert() {}
f@0 158
f@0 159
f@0 160
f@0 161 bool Draw(IGraphics* pGraphics)
f@0 162 {
f@0 163
f@0 164 /* big rectangle for the border */
f@0 165 IRECT paddedRect = mRECT.GetPadded(1);
f@0 166 pGraphics->DrawRect(&COLOR_GRAY, &(paddedRect));
f@0 167
f@0 168 /* now fill everything red*/
f@0 169 pGraphics->FillIRect(&COLOR_RED, &mRECT);
f@0 170
f@0 171 /* now fill with blue the part where the peak meter doesn't reach */
f@0 172 IRECT filledBit = IRECT(mRECT.L, mRECT.T, mRECT.R, mRECT.B - (mValue * mRECT.H()));
f@0 173 pGraphics->FillIRect(&mColor, &filledBit);
f@0 174 IRECT shade = IRECT(mRECT.L, mRECT.T, mRECT.L+1, mRECT.B - (mValue * mRECT.H()));
f@0 175 pGraphics->FillIRect(&COLOR_BLUE, &shade);
f@0 176
f@0 177 pGraphics->DrawHorizontalLine(&COLOR_YELLOW, mRECT.B + 1 - (mDefaultValue * mRECT.H()), mRECT.L, mRECT.R - 1);
f@0 178 return true;
f@0 179 }
f@0 180
f@0 181 bool IsDirty() { return true;}
f@0 182
f@0 183 protected:
f@0 184 IColor mColor;
f@0 185 };
f@0 186