void AUControlGroup::CreateLabelledSliderAndEditText(
AUCarbonViewBase * auView,
const CAAUParameter & auvp,
const Rect & area,
Point labelSize,
Point editTextSize,
const ControlFontStyleRec & inFontStyle)
{
#if !__LP64__
ControlFontStyleRec fontStyle = inFontStyle;
Rect sliderArea, textArea;
ControlRef newControl;
int width = area.right - area.left, height = area.bottom - area.top;
bool horizontal = (width > height);
sliderArea = area;
textArea = area;
if (horizontal) {
textArea.left = area.right - editTextSize.h;
// provide a large text box if param is generic and its values have strings...
if (auvp.ValuesHaveStrings() && (auvp.ParamInfo().unit == kAudioUnitParameterUnit_Generic))
{
textArea.right += 30;
}
sliderArea.right = textArea.left - kLabelAndSliderSpacing;
textArea.top = area.top + (height - editTextSize.v) / 2;
textArea.bottom = textArea.top + editTextSize.v;
} else {
textArea.top = area.bottom - editTextSize.v;
sliderArea.bottom = textArea.top - kLabelAndSliderSpacing;
textArea.left = area.left + (width - editTextSize.h) / 2;
textArea.right = textArea.left + editTextSize.h;
}
CreateLabelledSlider(auView, auvp, sliderArea, labelSize, fontStyle);
verify_noerr(CreateEditUnicodeTextControl(auView->GetCarbonWindow(), &textArea, CFSTR(""), false,
&fontStyle, &newControl));
auView->AddCarbonControl(AUCarbonViewControl::kTypeText, auvp, newControl);
#endif
}
void AUControlGroup::CreateLabelledSlider(
AUCarbonViewBase * auView,
const CAAUParameter & auvp,
const Rect & area,
Point labelSize,
const ControlFontStyleRec & inFontStyle)
{
#if !__LP64__
ControlFontStyleRec fontStyle = inFontStyle;
Rect minValRect, maxValRect, sliderRect;
ControlRef newControl;
int width = area.right - area.left, height = area.bottom - area.top;
CFStringRef cfstr;
int sliderValueMax, sliderValueMin, sliderValueDefault;
AUCarbonViewControl::ControlType sliderType;
bool horizontal = (width > height);
if (horizontal) {
maxValRect.top = minValRect.top = area.top + (height - labelSize.v) / 2;
minValRect.left = area.left;
maxValRect.left = area.right - labelSize.h;
minValRect.bottom = minValRect.top + labelSize.v;
minValRect.right = minValRect.left + labelSize.h;
maxValRect.bottom = maxValRect.top + labelSize.v;
maxValRect.right = maxValRect.left + labelSize.h;
sliderRect.left = minValRect.right + kLabelAndSliderSpacing;
sliderRect.right = maxValRect.left - kLabelAndSliderSpacing;
sliderRect.top = area.top + (height - kSliderThinDimension) / 2;
sliderRect.bottom = sliderRect.top + kSliderThinDimension + 4;
if (auvp.IsIndexedParam ()) {
sliderValueMin = sliderValueDefault = int(auvp.ParamInfo().minValue);
sliderValueMax = int(auvp.ParamInfo().maxValue);
sliderType = AUCarbonViewControl::kTypeDiscrete;
} else {
sliderValueMin = sliderValueDefault = 0;
sliderValueMax = sliderRect.right - sliderRect.left;
sliderType = AUCarbonViewControl::kTypeContinuous;
}
} else {
maxValRect.left = minValRect.left = area.left + (width - labelSize.h) / 2;
maxValRect.top = area.top;
minValRect.top = area.bottom - labelSize.v;
minValRect.bottom = minValRect.top + labelSize.v;
minValRect.right = minValRect.left + labelSize.h;
maxValRect.bottom = maxValRect.top + labelSize.v;
maxValRect.right = maxValRect.left + labelSize.h;
sliderRect.left = area.left + (width - kSliderThinDimension) / 2;
sliderRect.right = sliderRect.left + kSliderThinDimension + 4;
sliderRect.top = maxValRect.bottom + kLabelAndSliderSpacing;
sliderRect.bottom = minValRect.top - kLabelAndSliderSpacing;
if (auvp.IsIndexedParam ()) {
sliderValueMin = sliderValueDefault = int(auvp.ParamInfo().minValue);
sliderValueMax = int(auvp.ParamInfo().maxValue);
sliderType = AUCarbonViewControl::kTypeDiscrete;
} else {
sliderValueMin = sliderValueDefault = 0;
sliderValueMax = sliderRect.bottom - sliderRect.top;
sliderType = AUCarbonViewControl::kTypeContinuous;
}
}
// minimum value label
if (labelSize.v > 0 && labelSize.h > 0) {
// check to see if the minimum value has a label
cfstr = auvp.GetStringFromValueCopy(&auvp.ParamInfo().minValue);
fontStyle.just = horizontal ? teFlushRight : teCenter;
verify_noerr(CreateStaticTextControl(auView->GetCarbonWindow(), &minValRect, cfstr, &fontStyle, &newControl));
CFRelease(cfstr);
verify_noerr(auView->EmbedControl(newControl));
// maximum value label
cfstr = auvp.GetStringFromValueCopy(&auvp.ParamInfo().maxValue);
fontStyle.just = horizontal ? teFlushLeft : teCenter;
verify_noerr(CreateStaticTextControl(auView->GetCarbonWindow(), &maxValRect, cfstr, &fontStyle, &newControl));
CFRelease(cfstr);
verify_noerr(auView->EmbedControl(newControl));
}
// slider
verify_noerr(CreateSliderControl(auView->GetCarbonWindow(), &sliderRect, sliderValueDefault, sliderValueMin, sliderValueMax, kControlSliderDoesNotPoint, 0, true, AUCarbonViewControl::SliderTrackProc, &newControl));
ControlSize small = kControlSizeSmall;
SetControlData(newControl, kControlEntireControl, kControlSizeTag, sizeof(ControlSize), &small);
auView->AddCarbonControl(sliderType, auvp, newControl);
#endif
}
AUParamInfo::AUParamInfo (AudioUnit inAU,
bool inIncludeExpert,
bool inIncludeReadOnly,
AudioUnitScope inScope,
AudioUnitElement inElement)
: mAU (inAU),
mNumParams (0),
mParamListID(NULL),
mScope (inScope),
mElement (inElement)
{
UInt32 size;
OSStatus result = AudioUnitGetPropertyInfo(mAU, kAudioUnitProperty_ParameterList, inScope, mElement, &size, NULL);
if (size == 0 || result) return;
int nparams = size / sizeof(AudioUnitPropertyID);
mParamListID = new AudioUnitParameterID[nparams];
memset (mParamListID, 0xFF, size);
AudioUnitParameterID *paramList = new AudioUnitParameterID[nparams];
result = AudioUnitGetProperty(mAU, kAudioUnitProperty_ParameterList, mScope, mElement, paramList, &size);
if (result) {
delete [] mParamListID;
delete [] paramList;
mParamListID = NULL;
return;
}
ParameterMap params;
for (int i = 0; i < nparams; ++i)
{
CAAUParameter auvp (mAU, paramList[i], mScope, mElement); // took out only using global scope in CAAUParameter creation
const AudioUnitParameterInfo ¶mInfo = auvp.ParamInfo();
// don't include if parameter can't be read or written
if (!(paramInfo.flags & kAudioUnitParameterFlag_IsWritable)
&& !(paramInfo.flags & kAudioUnitParameterFlag_IsReadable))
continue;
// only include if expert params wanted
if (!inIncludeExpert && auvp.IsExpert())
continue;
// only include if read only params are wanted
if (!(paramInfo.flags & kAudioUnitParameterFlag_IsWritable)
&& (paramInfo.flags & kAudioUnitParameterFlag_IsReadable))
{
if (!inIncludeReadOnly)
continue;
}
mParamListID[mNumParams] = paramList[i];
mNumParams++;
// ok - if we're here, then we have a parameter we are going to display.
UInt32 clump = 0;
auvp.GetClumpID (clump);
mParams[clump].push_back (auvp);
}
delete [] paramList;
}