/*

    File:       TestHIView.cp

    Contains:   Minimal application to test HIViews.

    Version:    1.0.1

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    Copyright © 2002 Apple Computer, Inc., All Rights Reserved

*/

#include <Carbon/Carbon.h>

#include "HIDoubleSlider.h"

// Common stuff to all samples

void InitToolbox(void);

void InitMenuBar(void);

pascal OSErr HandlePref(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon);

pascal OSErr HandleOapp(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon);

pascal OSErr HandleOdoc(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon);

pascal OSErr HandlePdoc(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon);

void InstallAppleEventHandlers(void);

pascal OSStatus CommandProcess(EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);

void InstallApplicationCarbonEventHandlers(void);

void DoCloseWindow(WindowRef theWind);

void RecursiveCloseWindow(WindowRef theWind);

void CloseAllWindows();

void InitApplication(void);

void TermApplication(void);

// End of common stuff

void DoAboutBox(void);

void DoPreferences(void);

void DoNewWindow(void);

int main(void)

    {

    InitToolbox();

    InitApplication();

    RunApplicationEventLoop();

    TermApplication();

   return 0;

    }

//------------------------------- Initializations ------------------------------

void InitToolbox(void)

    {

    InitCursor();

    }

void InitApplication(void)

    {

    long response;

    OSErr err;

   // Can we run this particular demo application?

    err = Gestalt(gestaltSystemVersion, &response);

    Boolean ok = ((err == noErr) && (response >= 0x00001020));

   if (!ok)

      {

        StandardAlert(kAlertStopAlert, "\pMac OS X 10.2 (minimum) is required for this application", "\p", NULL, NULL);

      ExitToShell();

      }

    InstallAppleEventHandlers();

    InstallApplicationCarbonEventHandlers();

    InitMenuBar();

    DoNewWindow();

    }

void InitMenuBar(void)

    {

    // Getting our menu bar

    Handle aHand = GetNewMBar(128);

    SetMenuBar(aHand);

    // Enabling Preferences menu item

    EnableMenuCommand(NULL, kHICommandPreferences);

    // Adding some menu item commands

    MenuHandle menu = GetMenuHandle(128);

    SetMenuItemCommandID(menu, 1, kHICommandNew);

    SetMenuItemCommandID(menu, 2, kHICommandClose);

    SetMenuItemCommandID(GetMenuHandle(1),  1, kHICommandAbout);

    // Adding a standard Window menu

    CreateStandardWindowMenu(0, &menu);

    InsertMenu(menu, 0);

    DrawMenuBar();

    DisposeHandle(aHand);

    }

//------------------------------- Apple Events ---------------------------------

void InstallAppleEventHandlers(void)

    {

    OSErr   err;

    err = AEInstallEventHandler(kCoreEventClass, kAEShowPreferences, NewAEEventHandlerUPP(HandlePref), 0, false);

    if (err) DebugStr("\pAEInstallEventHandler failed for kAEOpenApplication");

    err = AEInstallEventHandler(kCoreEventClass, kAEOpenApplication, NewAEEventHandlerUPP(HandleOapp), 0, false);

    if (err) DebugStr("\pAEInstallEventHandler failed for kAEOpenApplication");

    err = AEInstallEventHandler(kCoreEventClass, kAEOpenDocuments,   NewAEEventHandlerUPP(HandleOdoc), 0, false);

    if (err) DebugStr("\pAEInstallEventHandler failed for kAEOpenDocuments");

    err = AEInstallEventHandler(kCoreEventClass, kAEPrintDocuments,  NewAEEventHandlerUPP(HandlePdoc), 0, false);

    if (err) DebugStr("\pAEInstallEventHandler failed for kAEPrintDocuments");

    // Note: Since RunApplicationEventLoop installs a Quit AE Handler, we no longer have to do it here.

    }

pascal OSErr HandlePref(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon)

    {

    return errAEEventNotHandled;

    }

pascal OSErr HandleOapp(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon)

    {

    return noErr;

    }

pascal OSErr HandleOdoc(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon)

    {

    return errAEEventNotHandled;

    }

pascal OSErr HandlePdoc(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon)

    {

    return errAEEventNotHandled;

    }

//------------------------------- Carbon Events --------------------------------

void InstallApplicationCarbonEventHandlers(void)

    {

    EventTypeSpec eventType = {kEventClassCommand, kEventCommandProcess};

    InstallEventHandler(GetApplicationEventTarget(), NewEventHandlerUPP(CommandProcess), 1, &eventType, NULL, NULL);

    }

pascal OSStatus CommandProcess(EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)

    {

    HICommand aCommand;

    OSStatus status = noErr;

    GetEventParameter(theEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &aCommand);

    switch (aCommand.commandID)

        {

        case kHICommandAbout:

            DoAboutBox();

            break;

        case kHICommandPreferences:

            DoPreferences();

            break;

        case kHICommandNew:

            DoNewWindow();

            break;

        case kHICommandClose:

            DoCloseWindow(FrontNonFloatingWindow());

            break;

        default:

            status = eventNotHandledErr;

            break;

        }

    return status;

    }

//------------------------------- Terminating ----------------------------------

void TermApplication(void)

    {

    CloseAllWindows();

    }

void CloseAllWindows()

    {

    WindowRef theWind = FrontWindow();

    if (theWind)

        {

        RecursiveCloseWindow(theWind);

        }

    }

void RecursiveCloseWindow(WindowRef theWind)

    {

    WindowRef nextWind = GetNextWindow(theWind);

    if (nextWind) RecursiveCloseWindow(nextWind);

    DoCloseWindow(theWind);

    }

void DoCloseWindow(WindowRef theWind)

    {

    EventRef theEvent;

    CreateEvent(NULL, kEventClassWindow, kEventWindowClose, 0, 0, &theEvent);

    SetEventParameter(theEvent, kEventParamDirectObject, typeWindowRef, sizeof(WindowRef), &theWind);

    SendEventToEventTarget(theEvent, GetWindowEventTarget(theWind));

    ReleaseEvent(theEvent);

    }

//------------------------------- End of common stuff --------------------------

void DoAboutBox(void)

    {

    StandardAlert(kAlertNoteAlert, "\pHIDoubleSlider 1.2 by DTS, Apple © 2002-2003", "\p", NULL, NULL);

    }

void DoPreferences(void)

    {

    StandardAlert(kAlertNoteAlert, "\pNo Preferences yet!", "\p", NULL, NULL);

    }

pascal OSStatus WindowCommandProcess(EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)

    {

    HICommand aCommand;

    OSStatus status = eventNotHandledErr;

    GetEventParameter(theEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &aCommand);

    if ((aCommand.attributes & kHICommandFromControl) != 0)

        {

        HICommandExtended * extCom = (HICommandExtended *)&aCommand;

        ControlRef theControl = extCom->source.control;

        ControlRef theAssociatedControl = (ControlRef)GetControlReference(theControl);

        SInt32 curValue;

        switch (aCommand.commandID)

            {

            case 'SLM2':

                curValue = GetControlLoValue(theAssociatedControl);

                SetControlLoValue(theAssociatedControl, curValue - 25);

                status = noErr;

                break;

            case 'SLP2':

                curValue = GetControlLoValue(theAssociatedControl);

                SetControlLoValue(theAssociatedControl, curValue + 25);

                status = noErr;

                break;

            case 'SHP5':

                curValue = GetControlHiValue(theAssociatedControl);

                SetControlHiValue(theAssociatedControl, curValue + 50);

                status = noErr;

                break;

            case 'SHM5':

                curValue = GetControlHiValue(theAssociatedControl);

                SetControlHiValue(theAssociatedControl, curValue - 50);

                status = noErr;

                break;

            case 'MES1':

                {

                HIRect frame;

                HIViewGetFrame(theAssociatedControl, &frame);

                float delta = (frame.origin.x == 30.0)?15:-15;

                status = HIViewMoveBy(theAssociatedControl, delta, -delta);

                }

                break;

            case 'MES2':

                {

                HIRect frame;

                HIViewGetFrame(theAssociatedControl, &frame);

                float delta = (frame.origin.x == 330.0)?30:-30;

                status = HIViewMoveBy(theAssociatedControl, delta, delta);

                }

                break;

            }

        }

    return status;

    }

pascal OSStatus HiValueFieldChanged(EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)

    {

    OSStatus status = eventNotHandledErr;

    ControlRef theSlider;

    GetEventParameter(theEvent, kEventParamDirectObject, typeControlRef, NULL, sizeof(ControlRef), NULL, &theSlider);

    ControlRef theText;

    theText = (ControlRef)GetControlReference(theSlider);

    SInt32 theValue = GetControlHiValue(theSlider);

    Str255 theString;

    NumToString(theValue, theString);

    SetControlData(theText, kControlEntireControl, kControlEditTextTextTag, theString[0], &theString[1]);

    HIViewSetNeedsDisplay(theText, true);

    return status;

    }

void DoNewWindow(void)

    {

    WindowRef theWind;

    Rect bounds = {50, 10, 470, 630};

    OSStatus theStatus = CreateNewWindow(

                                    kDocumentWindowClass,

                                    kWindowCloseBoxAttribute | kWindowCollapseBoxAttribute | kWindowStandardHandlerAttribute | kWindowCompositingAttribute,

                                    &bounds, &theWind);

    if ((theStatus != noErr) || (theWind == NULL)) {DebugStr("\pCreateNewWindow failed!"); return;}

    SetWTitle(theWind, "\pHIDoubleSlider");

    EventTypeSpec eventType = {kEventClassCommand, kEventCommandProcess};

    InstallEventHandler(GetWindowEventTarget(theWind), NewEventHandlerUPP(WindowCommandProcess), 1, &eventType, NULL, NULL);

    // some labels

    ControlRef txtControl;

    Rect txtRect = {10, 20, 25, 70};

    CreateStaticTextControl(theWind, &txtRect, CFSTR("Simple"), NULL, &txtControl);

    Rect txtRect2 = {10, 110, 25, 180};

    CreateStaticTextControl(theWind, &txtRect2, CFSTR("Overrided"), NULL, &txtControl);

    ControlRef grpControl;

    Rect grpRect = {10, 330, 330, 570};

    CreateGroupBoxControl(theWind, &grpRect, CFSTR("Embedded"), true, &grpControl);

    //

    //

    // creating a simple double slider

    //

    //

    HIViewRef theSimpleSlider;

    HIRect frame = { {30.0, 30.0}, {26.0, 380.0} };

    theStatus = HICreateDoubleSlider(&frame, 0, 300, 50, 250, &theSimpleSlider);

    // place the view into the Window content view

    // we need to do this because CreateLabelSubButton needs a valid parent for our view.

    HIViewRef contentView;

    HIViewFindByID(HIViewGetRoot(theWind), kHIViewWindowContentID, &contentView);

    HIViewAddSubview(contentView, theSimpleSlider);

    // views are initially invisible, so make it visible

    HIViewSetVisible(theSimpleSlider, true);

    //

    //

    // let's create a more complex slider starting the same way

    //

    //

    HIViewRef theOverridedSlider;

    frame = CGRectOffset(frame, 100, 0);

    theStatus = HICreateDoubleSlider(&frame, 0, 300, 50, 250, &theOverridedSlider);

    HIViewAddSubview(contentView, theOverridedSlider);

    HIViewSetVisible(theOverridedSlider, true);

    // and add some new behavior (continuous display of the hi value)

    EventTypeSpec eventType2 = {kEventClassDoubleSlider, kEventControlHiValueFieldChanged};

    InstallEventHandler(GetControlEventTarget(theOverridedSlider), NewEventHandlerUPP(HiValueFieldChanged), 1, &eventType2, NULL, NULL);

    // and a static text view to display the value

    ControlRef theStaticText;

    Rect statBounds = {90, 160, 110, 290};

    CreateStaticTextControl(theWind, &statBounds, CFSTR("Move the hi slider!"), NULL, &theStaticText);

    // and link them together

    SetControlReference(theOverridedSlider, (SInt32)theStaticText);

    // let's add 4 buttons to set different lo and hi values

    SInt32 bottom = bounds.bottom - bounds.top - 20;

    SInt32 right = bounds.right - bounds.left - 320;

    Rect buttonRect = {bottom - 20, right - 110, bottom, right};

    ControlRef button;

    CreatePushButtonControl(NULL, &buttonRect, CFSTR("Set Lo to -25"), &button);

    theStatus = HIViewAddSubview(contentView, button);

    SetControlCommandID(button, 'SLM2');

    SetControlReference(button, (SInt32)theOverridedSlider);

    HIViewSetVisible(button, true);

    buttonRect.bottom = buttonRect.top - 12; buttonRect.top = buttonRect.bottom - 20;

    CreatePushButtonControl(NULL, &buttonRect, CFSTR("Set Hi to +50"), &button);

    theStatus = HIViewAddSubview(contentView, button);

    SetControlCommandID(button, 'SHP5');

    SetControlReference(button, (SInt32)theOverridedSlider);

    HIViewSetVisible(button, true);

    buttonRect.bottom = buttonRect.top - 24; buttonRect.top = buttonRect.bottom - 20;

    CreatePushButtonControl(NULL, &buttonRect, CFSTR("Set Lo to +25"), &button);

    theStatus = HIViewAddSubview(contentView, button);

    SetControlCommandID(button, 'SLP2');

    SetControlReference(button, (SInt32)theOverridedSlider);

    HIViewSetVisible(button, true);

    buttonRect.bottom = buttonRect.top - 12; buttonRect.top = buttonRect.bottom - 20;

    CreatePushButtonControl(NULL, &buttonRect, CFSTR("Set Hi to -50"), &button);

    theStatus = HIViewAddSubview(contentView, button);

    SetControlCommandID(button, 'SHM5');

    SetControlReference(button, (SInt32)theOverridedSlider);

    HIViewSetVisible(button, true);

    //

    //

    // and let's test embedding

    //

    //

    HIViewRef theEmbeddedSlider;

    HIRect embFrame = { {30.0, 45.0}, {26.0, 245.0} };

    theStatus = HICreateDoubleSlider(&embFrame, 0, 300, 50, 250, &theEmbeddedSlider);

    // place the view into the group box control

    HIViewAddSubview(grpControl, theEmbeddedSlider);

    // views are initially invisible, so make it visible

    HIViewSetVisible(theEmbeddedSlider, true);

    buttonRect.bottom = bottom; buttonRect.top = bottom - 20;

    buttonRect.right = right + 300; buttonRect.left = buttonRect.right - 130;

    CreatePushButtonControl(NULL, &buttonRect, CFSTR("Move Slider"), &button);

    theStatus = HIViewAddSubview(contentView, button);

    SetControlCommandID(button, 'MES1');

    SetControlReference(button, (SInt32)theEmbeddedSlider);

    HIViewSetVisible(button, true);

    buttonRect.left = 330; buttonRect.right = buttonRect.left + 130;

    CreatePushButtonControl(NULL, &buttonRect, CFSTR("Move Embedder"), &button);

    theStatus = HIViewAddSubview(contentView, button);

    SetControlCommandID(button, 'MES2');

    SetControlReference(button, (SInt32)grpControl);

    HIViewSetVisible(button, true);

    ShowWindow(theWind);

    }