/*

     File: AUControlGroup.cpp

 Abstract: AUControlGroup.h

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*/

#include <Carbon/Carbon.h>

#include "AUCarbonViewBase.h"

#include "AUCarbonViewControl.h"

#include "AUControlGroup.h"

#include "AUViewLocalizedStringKeys.h"

#define kSliderThinDimension 10

#define kLabelAndSliderSpacing  4

#if !__LP64__

static CFStringRef kStringManufacturer = kAUViewLocalizedStringKey_Manufacturer;

static bool sLocalized = false;

#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

}

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::CreatePopupMenu (AUCarbonViewBase *         auView, 

                                        const CAAUParameter &       auvp, 

                                        const Rect &                area, 

                                        const ControlFontStyleRec & inFontStyle,

                                        const bool                  inSizeToFit)

{

#if !__LP64__

    ControlRef thePopUp;

    verify_noerr(CreatePopupButtonControl (auView->GetCarbonWindow(), &area, NULL, 

                                                -12345, // DON'T GET MENU FROM RESOURCE mMenuID

                                                FALSE,  // variableWidth, 

                                                0,      // titleWidth, 

                                                0,      // titleJustification, 

                                                0,      // titleStyle, 

                                                &thePopUp));

    ControlSize small = kControlSizeSmall;

    SetControlData(thePopUp, kControlEntireControl, kControlSizeTag, sizeof(ControlSize), &small);

    MenuRef menuRef;

    verify_noerr(CreateNewMenu( 1, 0, &menuRef));

    for (int i = 0; i < auvp.GetNumIndexedParams(); ++i) {

        verify_noerr(AppendMenuItemTextWithCFString (menuRef, auvp.GetParamName(i), kMenuItemAttrIgnoreMeta, 0, 0));

    }

    verify_noerr(SetControlData(thePopUp, 0, kControlPopupButtonMenuRefTag, sizeof(menuRef), &menuRef));

    SetControl32BitMaximum(thePopUp, auvp.GetNumIndexedParams());

    verify_noerr (SetControlFontStyle (thePopUp, &inFontStyle));

    if (inSizeToFit) {

        AUCarbonViewControl::SizeControlToFit(thePopUp);

    }

    auView->AddCarbonControl(AUCarbonViewControl::kTypeDiscrete, auvp, thePopUp);

#endif

}

void    AUControlGroup::AddAUInfo (     AUCarbonViewBase *          auView, 

                                        const Point &               inLocation, 

                                        const SInt16                inRightOffset,

                                        const SInt16                inTotalWidth)

{

#if !__LP64__

   // get component info

    ComponentDescription desc;

    Handle h1 = NewHandleClear(4);

    OSStatus err = GetComponentInfo ((Component)auView->GetEditAudioUnit(), &desc, h1, 0, 0);

    if (err == noErr) {        

        // Get the manufacturer's name... look for the ':' character convention

        HLock(h1);

        char* ptr1 = *h1;

        int len = *ptr1++;

        char* displayStr = 0;

        for (int i = 0; i < len; ++i) {

            if (ptr1[i] == ':') { // found the name

                ptr1[i++] = 0;

                displayStr = ptr1;

                break;

            }

        }

        // localize as necessary:

        if (!sLocalized) {

            CFBundleRef mainBundle = CFBundleGetBundleWithIdentifier(kLocalizedStringBundle_AUView);

            if (mainBundle) {

                kStringManufacturer = CFCopyLocalizedStringFromTableInBundle(

                                            kAUViewLocalizedStringKey_Manufacturer, kLocalizedStringTable_AUView,

                                            mainBundle, CFSTR("Manufacturer title string"));

                sLocalized = true;

            }

        }

        // display strings

        ControlRef newControl;

        Rect r;

        r.top = SInt16(inLocation.v);       r.bottom = SInt16(inLocation.v) + 16;

        ControlFontStyleRec fontStyle;

        fontStyle.flags = kControlUseFontMask | kControlUseJustMask;

        fontStyle.font = kControlFontSmallBoldSystemFont;

        // display manufacturer string

        if (displayStr) {

            CFMutableStringRef mfrstring = CFStringCreateMutable(NULL, 0);

            CFStringAppend(mfrstring, kStringManufacturer);     // "Manufacturer"

            CFStringAppend(mfrstring, kAUViewUnlocalizedString_TitleSeparator);

                                                                // "Manufacturer: "

            CFStringRef mfrname = CFStringCreateWithCString(NULL, displayStr, kCFStringEncodingUTF8);

            if (mfrname) {

                CFStringAppend(mfrstring, mfrname); // "Manufacturer: MFRName"

                CFRelease (mfrname);

            }

            r.left = inLocation.h + inRightOffset;  

            r.right = inLocation.h + inTotalWidth - 28;

            fontStyle.just = teFlushRight;

            verify_noerr(CreateStaticTextControl(auView->GetCarbonWindow(), &r, mfrstring, &fontStyle, &newControl));

            verify_noerr(auView->EmbedControl(newControl));

            CFRelease (mfrstring);

            //move displayStr ptr past the manu, to the name

            // we move the characters down an index, because the handle doesn't have any room

            // at the end for the \0

            int i = strlen(displayStr), j = 0;

            while (displayStr[++i] == ' ' && i < len)

                ;

            while (i < len)

                displayStr[j++] = displayStr[i++];

            displayStr[j] = 0;

        } else {

            displayStr = ptr1;

            int i = 0, j = 0;

            do {

                displayStr[j] = displayStr[i];

                ++j; ++i;

            } while (i < len);

            displayStr[j] = 0;

        }

        // display AudioUnit string

        r.left = inLocation.h;  r.right = r.left + inRightOffset;

        fontStyle.just = 0;

        CFMutableStringRef cfstr = CFStringCreateMutable(NULL, 0);

        CFStringAppend(cfstr, kAUViewLocalizedStringKey_AudioUnit);     // "Audio Unit"

        CFStringAppend(cfstr, kAUViewUnlocalizedString_TitleSeparator);

                                                        // "Audio Unit: "

        CFStringRef auname = CFStringCreateWithCString(NULL, displayStr, kCFStringEncodingUTF8);

        CFStringAppend(cfstr, auname);              // "Audio Unit: AUName"

        CFRelease (auname);

        verify_noerr(CreateStaticTextControl(auView->GetCarbonWindow(), &r, cfstr, &fontStyle, &newControl));

        // size text control correctly

        Boolean bValue = false;

        SetControlData(newControl, kControlEntireControl, 'stim' /* kControlStaticTextIsMultilineTag */, sizeof(Boolean), &bValue);

        SInt16 baseLineOffset;

        Rect bestRect;

        err = GetBestControlRect(newControl, &bestRect, &baseLineOffset);  

        if (err == noErr)

        {

            int width = (bestRect.right - bestRect.left) + 1;

            int height = (bestRect.bottom - bestRect.top) + 1;

            SizeControl (newControl, width, height);

        }

        verify_noerr(auView->EmbedControl(newControl));

        CFRelease (cfstr);

    }

    DisposeHandle (h1);

#endif

}