TestHIView.cp

/*
    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 "HICustomLeftRightSwitch.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)
    {
#pragma unused (theAppleEvent, reply, handlerRefcon)
    return errAEEventNotHandled;
    }
 
pascal OSErr HandleOapp(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon)
    {
#pragma unused (theAppleEvent, reply, handlerRefcon)
    return noErr;
    }
 
pascal OSErr HandleOdoc(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon)
    {
#pragma unused (theAppleEvent, reply, handlerRefcon)
    return errAEEventNotHandled;
    }
 
pascal OSErr HandlePdoc(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon)
    {
#pragma unused (theAppleEvent, reply, 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)
    {
#pragma unused (nextHandler, 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));
    }
 
//------------------------------- End of common stuff --------------------------
 
void DoAboutBox(void)
    {
    StandardAlert(kAlertNoteAlert, "\pHICustomLeftRightSwitch 1.1 by DTS, Apple © 2002", "\p", NULL, NULL);
    }
 
void DoPreferences(void)
    {
    StandardAlert(kAlertNoteAlert, "\pNo Preferences yet!", "\p", NULL, NULL);
    }
 
void DoNewWindow(void)
    {
    WindowRef theWind;
    Rect bounds = {50, 50, 550, 550};
    OSStatus theStatus = CreateNewWindow(
                                    kDocumentWindowClass,
                                    kWindowStandardDocumentAttributes | kWindowStandardHandlerAttribute | kWindowCompositingAttribute,
                                    &bounds, &theWind);
    if ((theStatus != noErr) || (theWind == NULL)) {DebugStr("\pCreateNewWindow failed!"); return;}
    
    SetWTitle(theWind, "\pHICustomLeftRightSwitch");
    
    HIViewRef theSwitch;
    HIRect frame = { {10.0, 30.0}, {300.0, 18.0} };
    theStatus = HICreateCustomLeftRightSwitch(theWind, &frame, CFSTR("Left"), CFSTR("Right"), true, &theSwitch);
    
    // give the button a command so that it does something when pressed
    SetControlCommandID(theSwitch, kHICommandAbout);
    
    // views are initially invisible, so make it visible
    ShowControl(theSwitch);
 
    ShowWindow(theWind);
    }