/*

    File:       SliderPane.cp

    Contains:   Class to drive our example slider pane.

    Version:    Mac OS X

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*/

#include "AppearanceSamplePrefix.h"

#if !BUILDING_FOR_CARBON_8

    #include <Carbon/Carbon.h>

#else

    #include <Carbon.h>

#endif

#include "SliderPane.h"

#include "UDialogUtils.h"

#include "AppearanceHelpers.h"

#include "Offscreen.h"

enum

{

    kHorizontalSlider1      = 1,

    kHorizontalSlider2      = 2,

    kHorizontalSlider3      = 3,

    kVerticalSlider1        = 4,

    kVerticalSlider2        = 5,

    kVerticalSlider3        = 6,

    kLiveFeedbackCheckBox   = 7,

    kStaticText             = 8,

    kUserPane               = 9

};

#define MIN( a, b )     ( ( (a) < (b) ) ? (a) : (b) )

#define MAX( a, b )     ( ( (a) > (b) ) ? (a) : (b) )

ControlActionUPP    SliderPane::fSliderProc = NewControlActionUPP( SliderPane::SliderFeedbackProc );

ControlUserPaneDrawUPP  SliderPane::fDrawProc = NewControlUserPaneDrawUPP( SliderPane::DrawPictureProc );

SliderPane::SliderPane( DialogPtr dialog, SInt16 items ) : MegaPane( dialog, items )

{

    Rect        picFrame;

    AppendDialogItemList( dialog, 6200, overlayDITL );

    GetDialogItemAsControl( dialog, items + kHorizontalSlider1, &fHorizontalSlider1 );

    GetDialogItemAsControl( dialog, items + kHorizontalSlider2, &fHorizontalSlider2 );

    GetDialogItemAsControl( dialog, items + kHorizontalSlider3, &fHorizontalSlider3 );

    GetDialogItemAsControl( dialog, items + kVerticalSlider1, &fVerticalSlider1 );

    GetDialogItemAsControl( dialog, items + kVerticalSlider2, &fVerticalSlider2 );

    GetDialogItemAsControl( dialog, items + kVerticalSlider3, &fVerticalSlider3 );

    SetControlReference( fHorizontalSlider1, (long)this );

    SetControlReference( fHorizontalSlider2, (long)this );

    SetControlReference( fHorizontalSlider3, (long)this );

    SetControlReference( fVerticalSlider1, (long)this );

    SetControlReference( fVerticalSlider2, (long)this );

    SetControlReference( fVerticalSlider3, (long)this );

    GetDialogItemAsControl( dialog, items + kUserPane, &fUserPane );

    SetControlReference( fUserPane, (long)this );

    SetControlData( fUserPane, 0, kControlUserPaneDrawProcTag, sizeof( fDrawProc ), (Ptr)&fDrawProc );

    fPicture = GetPicture( 6002 );

    QDGetPictureBounds( fPicture, &picFrame );

    fPictWidth = picFrame.right - picFrame.left;

    fPictHeight = picFrame.bottom - picFrame.top;

}

SliderPane::~SliderPane()

{

    ShortenDITL( fDialog, CountDITL( fDialog ) - fOrigItems );

}

void

SliderPane::ItemHit( SInt16 item )

{

    SInt16          localItem;

    ControlHandle   control;

    localItem = item - fOrigItems;

    switch ( localItem )

    {

        case kHorizontalSlider1:

        case kHorizontalSlider2:

        case kHorizontalSlider3:

        case kVerticalSlider1:

        case kVerticalSlider2:

        case kVerticalSlider3:

            if ( UDialogUtils::GetItemValue( fDialog, fOrigItems + kLiveFeedbackCheckBox ) == 0 )

            {

                GetDialogItemAsControl( fDialog, item, &control );

                SliderFeedbackProc( control, kControlIndicatorPart );

            }

            break;

        case kLiveFeedbackCheckBox:

            UDialogUtils::ToggleCheckBox( fDialog, item );

            GetDialogItemAsControl( fDialog, item, &control );

            if ( GetControlValue( control ) == 0 )

            {

                SetControlAction( fHorizontalSlider1, nil );

                SetControlAction( fHorizontalSlider2, nil );

                SetControlAction( fHorizontalSlider3, nil );

                SetControlAction( fVerticalSlider1, nil );

                SetControlAction( fVerticalSlider2, nil );

                SetControlAction( fVerticalSlider3, nil );

            }

            else

            {

                SetControlAction( fHorizontalSlider1, fSliderProc );

                SetControlAction( fHorizontalSlider2, fSliderProc );

                SetControlAction( fHorizontalSlider3, fSliderProc );

                SetControlAction( fVerticalSlider1, fSliderProc );

                SetControlAction( fVerticalSlider2, fSliderProc );

                SetControlAction( fVerticalSlider3, fSliderProc );

            }

            break;

    }

}

pascal void

SliderPane::SliderFeedbackProc( ControlHandle control, SInt16 part )

{

    #pragma unused( part )

    ControlHandle       text;

    Str255              valueText;

    SliderPane*         pane;

    SInt16              startValue;

    startValue = GetControlValue( control );

    pane = (SliderPane*)GetControlReference( control );

    GetDialogItemAsControl( pane->fDialog, kStaticText + pane->fOrigItems, &text );

    NumToString( GetControlValue( control ), valueText );

    SetStaticTextText( text, valueText, true );

    if ( control == pane->fHorizontalSlider1 )

    {

        SetControlValue( pane->fHorizontalSlider2, startValue );

        SetControlValue( pane->fHorizontalSlider3, startValue );

        SetControlValue( pane->fVerticalSlider1, startValue );

        SetControlValue( pane->fVerticalSlider2, startValue );

        SetControlValue( pane->fVerticalSlider3, startValue );

    }

    else if ( control == pane->fHorizontalSlider2 )

    {

        SetControlValue( pane->fHorizontalSlider1, startValue );

        SetControlValue( pane->fHorizontalSlider3, startValue );

        SetControlValue( pane->fVerticalSlider1, startValue );

        SetControlValue( pane->fVerticalSlider2, startValue );

        SetControlValue( pane->fVerticalSlider3, startValue );

    }

    else if ( control == pane->fHorizontalSlider3 )

    {

        SetControlValue( pane->fHorizontalSlider1, startValue );

        SetControlValue( pane->fHorizontalSlider2, startValue );

        SetControlValue( pane->fVerticalSlider1, startValue );

        SetControlValue( pane->fVerticalSlider2, startValue );

        SetControlValue( pane->fVerticalSlider3, startValue );

    }

    else if ( control == pane->fVerticalSlider1 )

    {

        SetControlValue( pane->fHorizontalSlider1, startValue );

        SetControlValue( pane->fHorizontalSlider2, startValue );

        SetControlValue( pane->fHorizontalSlider3, startValue );

        SetControlValue( pane->fVerticalSlider2, startValue );

        SetControlValue( pane->fVerticalSlider3, startValue );

    }

    else if ( control == pane->fVerticalSlider2 )

    {

        SetControlValue( pane->fHorizontalSlider1, startValue );

        SetControlValue( pane->fHorizontalSlider2, startValue );

        SetControlValue( pane->fHorizontalSlider3, startValue );

        SetControlValue( pane->fVerticalSlider1, startValue );

        SetControlValue( pane->fVerticalSlider3, startValue );

    }

    else if ( control == pane->fVerticalSlider3 )

    {

        SetControlValue( pane->fHorizontalSlider1, startValue );

        SetControlValue( pane->fHorizontalSlider2, startValue );

        SetControlValue( pane->fHorizontalSlider3, startValue );

        SetControlValue( pane->fVerticalSlider1, startValue );

        SetControlValue( pane->fVerticalSlider2, startValue );

    }

    DrawPictureProc( pane->fUserPane, 0 );

}

pascal void

SliderPane::DrawPictureProc( ControlHandle control, SInt16 part )

{

    #pragma unused( part )

    GrafPtr             savePort;   

    Rect                bounds;

    RgnHandle           saveClip;

    SliderPane*         pane;

    CGrafPtr            currPort;

    GDHandle            currDevice;

    Rect                globalBounds;

    ThemeDrawingState   state;

    Offscreen           mainBuffer;

    Offscreen           pictBuffer;

    RGBColor            alphaColor;

    SInt16              value;

    SInt16              component;

    GetPort( &savePort );

    SetPortWindowPort( GetControlOwner( control ) );

    GetThemeDrawingState( &state );

    pane = (SliderPane*)GetControlReference( control );

    GetControlBounds( control, &bounds );

    FrameRect( &bounds );

    InsetRect( &bounds, 1, 1 );

    saveClip = NewRgn();

    GetClip( saveClip );

    ClipRect( &bounds );

    bounds.bottom = bounds.top + pane->fPictHeight;

    bounds.right = bounds.left + pane->fPictWidth;

    globalBounds = bounds;

    LocalToGlobal( &rectTopLeft( globalBounds ) );

    LocalToGlobal( &rectBotRight( globalBounds ) );

    GetGWorld( &currPort, &currDevice );

    value = GetControlValue( pane->fVerticalSlider1 );

    component = value << 8;

    component |= value;

    alphaColor.red = alphaColor.green = alphaColor.blue = component;

    mainBuffer.StartDrawing( bounds );

    pictBuffer.StartDrawing( bounds );

    DrawPicture( pane->fPicture, &bounds );

    pictBuffer.EndDrawingAndBlend( alphaColor );

    mainBuffer.EndDrawing();

    SetClip( saveClip );

    DisposeRgn( saveClip );

    SetThemeDrawingState( state, true );

    SetPort( savePort );

}