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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<head>
<!-- BEGIN META TAG INFO -->
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="home" href="http://developer.apple.com/">
<link rel="find" href="http://developer.apple.com/search/">
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<title>HIFleetingControls - /main.c</title>
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<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/Carbon/index.html">Carbon</a> > <a href="../../samplecode/Carbon/idxHumanInterfaceToolbox-date.html">Human Interface Toolbox</a> > <A HREF="javascript:location.replace('index.html');">HIFleetingControls</A> >
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<td><h1><div id="pagehead">HIFleetingControls</div></h1></td>
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<h2>/main.c</h2>
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<option value="listing1.html">/HIFleetingControlsView.cp</option>
<option value="listing2.html">/HIFleetingControlsView.h</option>
<option value="listing3.html">/HIVeryBasicView.cp</option>
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<p><strong><a href="HIFleetingControls.zip">Download Sample</a></strong> (“HIFleetingControls.zip”, 25.9K)<BR>
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<!--googleon: index -->
<pre class="sourcecodebox">/*
* File: main.c of HIFleetingControls
*
* Contains: A skeleton of modern nib-based and Carbon Events-based Carbon application.
*
* Note: The project is set up so that the DEBUG macro is set to one when the "Development"
* build style is chosen and not at all when the "Deployment" build style is chosen.
* Thus, all the require asserts "fire" only in "Development".
*
* Version: 1.0
*
* Created: 2/9/07
*
* Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple, Inc.
* ("Apple") in consideration of your agreement to the following terms, and your
* use, installation, modification or redistribution of this Apple software
* constitutes acceptance of these terms. If you do not agree with these terms,
* please do not use, install, modify or redistribute this Apple software.
*
* In consideration of your agreement to abide by the following terms, and subject
* to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs
* copyrights in this original Apple software (the "Apple Software"), to use,
* reproduce, modify and redistribute the Apple Software, with or without
* modifications, in source and/or binary forms; provided that if you redistribute
* the Apple Software in its entirety and without modifications, you must retain
* this notice and the following text and disclaimers in all such redistributions of
* the Apple Software. Neither the name, trademarks, service marks or logos of
* Apple, Inc. may be used to endorse or promote products derived from the
* Apple Software without specific prior written permission from Apple. Except as
* expressly stated in this notice, no other rights or licenses, express or implied,
* are granted by Apple herein, including but not limited to any patent rights that
* may be infringed by your derivative works or by other works in which the Apple
* Software may be incorporated.
*
* The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
* WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
* WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
* COMBINATION WITH YOUR PRODUCTS.
*
* IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
* OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
* (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright: Copyright © 2007 Apple, Inc, All Rights Reserved
*/
//****************************************************
#pragma mark * compilation directives *
//****************************************************
#pragma mark -
#pragma mark * includes & imports *
#include <Carbon/Carbon.h>
#include "HIFleetingControlsView.h"
#include "HIVeryBasicView.h"
//****************************************************
#pragma mark -
#pragma mark * typedef's, struct's, enums, defines, etc. *
const HIViewID kHotZoneViewID = { 'OFCV', 100 };
//****************************************************
#pragma mark -
#pragma mark * local (static) function prototypes *
static pascal OSErr Handle_OpenApplication(const AppleEvent *inAppleEvent, AppleEvent *outAppleEvent, long inHandlerRefcon);
static pascal OSErr Handle_ReopenApplication(const AppleEvent *inAppleEvent, AppleEvent *outAppleEvent, long inHandlerRefcon);
static pascal OSErr Handle_OpenDocuments(const AppleEvent *inAppleEvent, AppleEvent *outAppleEvent, long inHandlerRefcon);
static pascal OSErr Handle_PrintDocuments(const AppleEvent *inAppleEvent, AppleEvent *outAppleEvent, long inHandlerRefcon);
static void Install_AppleEventHandlers(void);
static pascal OSStatus Handle_CommandUpdateStatus(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void *inUserData);
static pascal OSStatus Handle_CommandProcess(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void *inUserData);
static pascal OSStatus Handle_WindowCommandProcess(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void *inUserData);
static void Do_Preferences(void);
static OSStatus Do_NewWindow(WindowRef *outWindow);
static OSStatus Do_CleanUp(void);
//****************************************************
#pragma mark -
#pragma mark * exported globals *
//****************************************************
#pragma mark -
#pragma mark * local (static) globals *
static IBNibRef gIBNibRef;
static UInt32 gWindowCount = 0;
//****************************************************
#pragma mark -
#pragma mark * exported function implementations *
/*****************************************************
*
* main (argc, argv)
*
* Purpose: main program entry point
*
* Notes: You might want to change this to something more verbose
*
* Inputs: argc - the number of elements in the argv array
* argv - an array of pointers to the parameters to this application
*
* Returns: int - error code (0 == no error)
*/
int main(int argc, char* argv[])
{
OSStatus status;
// Can we run this particular demo application?
long response;
status = Gestalt(gestaltSystemVersion, &response);
Boolean ok = ((status == noErr) && (response >= 0x00001040));
if (!ok)
{
DialogRef theAlert;
CreateStandardAlert(kAlertStopAlert, CFSTR("Mac OS X 10.4 (minimum) is required for this application"), NULL, NULL, &theAlert);
RunStandardAlert(theAlert, NULL, NULL);
ExitToShell();
}
// Create a Nib reference passing the name of the nib file (without the .nib extension)
// CreateNibReference only searches into the application bundle.
status = CreateNibReference(CFSTR("main"), &gIBNibRef);
require_noerr(status, CreateNibReference);
// Once the nib reference is created, set the menu bar. "MainMenu" is the name of the menu bar
// object. This name is set in InterfaceBuilder when the nib is created.
status = SetMenuBarFromNib(gIBNibRef, CFSTR("MenuBar"));
require_noerr(status, SetMenuBarFromNib);
// Enabling Preferences menu item
EnableMenuCommand(NULL, kHICommandPreferences);
// Let's react to User's commands.
Install_AppleEventHandlers();
EventTypeSpec eventTypeCP = {kEventClassCommand, kEventCommandProcess};
status = InstallEventHandler(GetApplicationEventTarget(), Handle_CommandProcess, 1, &eventTypeCP, NULL, NULL);
require_noerr(status, InstallEventHandler);
EventTypeSpec eventTypeCUS = {kEventClassCommand, kEventCommandUpdateStatus};
status = InstallEventHandler(GetApplicationEventTarget(), Handle_CommandUpdateStatus, 1, &eventTypeCUS, NULL, NULL);
require_noerr(status, InstallEventHandler);
// Call the event loop
RunApplicationEventLoop();
InstallEventHandler:
SetMenuBarFromNib:
CreateNibReference:
return status;
} // main
/*****************************************************/
#pragma mark -
#pragma mark * local (static) function implementations *
#pragma mark * AppleEvent Handlers *
/*****************************************************
*
* Handle_OpenApplication(inAppleEvent, reply, inHandlerRefcon)
*
* Purpose: AppleEvent handler for the kAEOpenApplication event
*
* Inputs: inAppleEvent - the Apple event
* reply - our reply to the Apple event
* inHandlerRefcon - refcon passed to AEInstallEventHandler when this hander was installed
*
* Returns: OSErr - error code (0 == no error)
*/
static pascal OSErr Handle_OpenApplication(const AppleEvent *inAppleEvent, AppleEvent *outAppleEvent, long inHandlerRefcon)
{
return Do_NewWindow(NULL); // create an empty window
} // Handle_OpenApplication
/*****************************************************
*
* Handle_ReopenApplication(inAppleEvent, reply, inHandlerRefcon)
*
* Purpose: AppleEvent handler for the kAEReopenApplication event
*
* Inputs: inAppleEvent - the Apple event
* reply - our reply to the Apple event
* inHandlerRefcon - refcon passed to AEInstallEventHandler when this hander was installed
*
* Returns: OSErr - error code (0 == no error)
*/
static pascal OSErr Handle_ReopenApplication(const AppleEvent *inAppleEvent, AppleEvent *outAppleEvent, long inHandlerRefcon)
{
// We were already running but with no windows so we create an empty one.
WindowRef theWindow = GetFrontWindowOfClass(kDocumentWindowClass, true);
if (theWindow == NULL)
return Do_NewWindow(NULL);
else
return noErr;
} // Handle_ReopenApplication
/*****************************************************
*
* Handle_OpenDocuments(inAppleEvent, reply, inHandlerRefcon)
*
* Purpose: AppleEvent handler for the kAEOpenDocuments event
*
* Inputs: inAppleEvent - the Apple event
* reply - our reply to the Apple event
* inHandlerRefcon - refcon passed to AEInstallEventHandler when this hander was installed
*
* Returns: OSErr - error code (0 == no error)
*/
static pascal OSErr Handle_OpenDocuments(const AppleEvent *inAppleEvent, AppleEvent *outAppleEvent, long inHandlerRefcon)
{
return errAEEventNotHandled;
} // Handle_OpenDocuments
/*****************************************************
*
* Handle_PrintDocuments(inAppleEvent, reply, inHandlerRefcon)
*
* Purpose: AppleEvent handler for the kAEPrintDocuments event
*
* Inputs: inAppleEvent - the Apple event
* reply - our reply to the Apple event
* inHandlerRefcon - refcon passed to AEInstallEventHandler when this hander was installed
*
* Returns: OSErr - error code (0 == no error)
*/
static pascal OSErr Handle_PrintDocuments(const AppleEvent *inAppleEvent, AppleEvent *outAppleEvent, long inHandlerRefcon)
{
return errAEEventNotHandled;
} // Handle_PrintDocuments
/*****************************************************
*
* Install_AppleEventHandlers(void)
*
* Purpose: installs the AppleEvent handlers
*
* Inputs: none
*
* Returns: none
*/
static void Install_AppleEventHandlers(void)
{
OSErr status;
status = AEInstallEventHandler(kCoreEventClass, kAEOpenApplication, Handle_OpenApplication, 0, false);
require_noerr(status, CantInstallAppleEventHandlerOpenAppl);
status = AEInstallEventHandler(kCoreEventClass, kAEReopenApplication, Handle_ReopenApplication, 0, false);
require_noerr(status, CantInstallAppleEventHandlerReOpenAppl);
status = AEInstallEventHandler(kCoreEventClass, kAEOpenDocuments, Handle_OpenDocuments, 0, false);
require_noerr(status, CantInstallAppleEventHandlerOpenDocs);
status = AEInstallEventHandler(kCoreEventClass, kAEPrintDocuments, Handle_PrintDocuments, 0, false);
require_noerr(status, CantInstallAppleEventHandlerPrintDocs);
// Note: Since RunApplicationEventLoop installs a Quit AE Handler, there is no need to do it here.
CantInstallAppleEventHandlerOpenAppl:
CantInstallAppleEventHandlerReOpenAppl:
CantInstallAppleEventHandlerOpenDocs:
CantInstallAppleEventHandlerPrintDocs:
return;
} // Install_AppleEventHandlers
#pragma mark -
#pragma mark * CarbonEvent Handlers *
/*****************************************************
*
* Handle_CommandUpdateStatus(inHandlerCallRef, inEvent, inUserData)
*
* Purpose: called to update status of the commands, enabling or disabling the menu items
*
* Inputs: inHandlerCallRef - reference to the current handler call chain
* inEvent - the event
* inUserData - app-specified data you passed in the call to InstallEventHandler
*
* Returns: OSStatus - noErr indicates the event was handled
* eventNotHandledErr indicates the event was not handled and the Toolbox should take over
*/
static pascal OSStatus Handle_CommandUpdateStatus(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void *inUserData)
{
OSStatus status = eventNotHandledErr;
HICommand aCommand;
GetEventParameter(inEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &aCommand);
WindowRef aWindowRef = GetFrontWindowOfClass(kDocumentWindowClass, true);
if (aWindowRef == NULL)
{
switch (aCommand.commandID)
{
case kHICommandClose:
DisableMenuItem(aCommand.menu.menuRef, aCommand.menu.menuItemIndex);
break;
}
}
else
{
switch (aCommand.commandID)
{
case kHICommandClose:
EnableMenuItem(aCommand.menu.menuRef, aCommand.menu.menuItemIndex);
break;
}
}
return status;
} // Handle_CommandUpdateStatus
/*****************************************************
*
* Handle_CommandProcess(inHandlerCallRef, inEvent, inUserData)
*
* Purpose: called to process commands from Carbon events
*
* Inputs: inHandlerCallRef - reference to the current handler call chain
* inEvent - the event
* inUserData - app-specified data you passed in the call to InstallEventHandler
*
* Returns: OSStatus - noErr indicates the event was handled
* eventNotHandledErr indicates the event was not handled and the Toolbox should take over
*/
static pascal OSStatus Handle_CommandProcess(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void *inUserData)
{
OSStatus status = eventNotHandledErr;
HICommand aCommand;
GetEventParameter(inEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &aCommand);
switch (aCommand.commandID)
{
case kHICommandPreferences:
Do_Preferences();
break;
case kHICommandNew:
status = Do_NewWindow(NULL);
break;
case kHICommandQuit:
status = Do_CleanUp();
break;
default:
{
// last resort catching commands
UInt32 commandCharacters = CFSwapInt32HostToBig(aCommand.commandID);
char * p = (char *)&commandCharacters;
printf("got command '%c%c%c%c', %ld\n", p[0], p[1], p[2], p[3], aCommand.commandID);
break;
}
}
return status;
} // Handle_CommandProcess
/*****************************************************
*
* Handle_WindowCommandProcess(inHandlerCallRef, inEvent, inUserData)
*
* Purpose: called to process commands from the window controls
*
* Inputs: inHandlerCallRef - reference to the current handler call chain
* inEvent - the event
* inUserData - app-specified data you passed in the call to InstallEventHandler
*
* Returns: OSStatus - noErr indicates the event was handled
* eventNotHandledErr indicates the event was not handled and the Toolbox should take over
*/
static pascal OSStatus Handle_WindowCommandProcess(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void *inUserData)
{
OSStatus status = eventNotHandledErr;
WindowRef aWindowRef = (WindowRef)inUserData;
HICommand aCommand;
GetEventParameter(inEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &aCommand);
switch (aCommand.commandID)
{
case kHICommandOK:
DisposeWindow(aWindowRef);
status = noErr;
break;
case 'bas1':
case 'bas2':
case 'bas3':
{
// So that something happens when we click on the buttons...
CFStringRef theCFString = CFStringCreateWithFormat(NULL, NULL, CFSTR("Got a click on Button #%ld"), aCommand.commandID - 'bas0');
DialogRef theAlert;
CreateStandardAlert(kAlertStopAlert, theCFString, NULL, NULL, &theAlert);
RunStandardAlert(theAlert, NULL, NULL);
CFRelease(theCFString);
status = noErr;
break;
}
}
return status;
} // Handle_WindowCommandProcess
#pragma mark -
#pragma mark * Windows *
/*****************************************************
*
* Do_Preferences(void)
*
* Purpose: routine to display dialog to set our applications preferences
*
* Inputs: none
*
* Returns: none
*/
static void Do_Preferences(void)
{
DialogRef theAlert;
CreateStandardAlert(kAlertStopAlert, CFSTR("No Preferences yet!"), NULL, NULL, &theAlert);
RunStandardAlert(theAlert, NULL, NULL);
} // Do_Preferences
/*****************************************************
*
* Do_NewWindow(outWindow)
*
* Purpose: called to create a new window that has been constructed with Interface Builder
*
* Notes: called by Handle_CommandProcess() ("File/New" menu item), Handle_OpenApplication(). Handle_ReopenApplication()
*
* Inputs: outWindow - if not NULL, the address where to return the WindowRef
* - if not NULL, the callee will have to ShowWindow
*
* Returns: OSStatus - error code (0 == no error)
*/
static OSStatus Do_NewWindow(WindowRef * outWindow)
{
OSStatus status;
WindowRef aWindowRef = NULL;
CFStringRef theTitle = NULL;
CFMutableStringRef theNewTitle = NULL;
// Create a window. "MainWindow" is the name of the window object. This name is set in
// InterfaceBuilder when the nib is created.
status = CreateWindowFromNib(gIBNibRef, CFSTR("MainWindow"), &aWindowRef);
require_noerr(status, CreateWindowFromNib);
require(aWindowRef != NULL, CreateWindowFromNib);
// Setting up the window title
status = CopyWindowTitleAsCFString(aWindowRef, &theTitle);
require_noerr(status, CopyWindowTitleAsCFString);
theNewTitle = CFStringCreateMutableCopy(NULL, 0, theTitle);
require(theNewTitle != NULL, CFStringCreateMutableCopy);
CFStringAppendFormat(theNewTitle, NULL, CFSTR(" %ld"), ++gWindowCount);
status = SetWindowTitleWithCFString(aWindowRef, theNewTitle);
require_noerr(status, SetWindowTitleWithCFString);
// Reacting to events
EventTypeSpec eventTypeCP = {kEventClassCommand, kEventCommandProcess};
status = InstallWindowEventHandler(aWindowRef, Handle_WindowCommandProcess, 1, &eventTypeCP, (void *)aWindowRef, NULL);
require_noerr(status, CantInstallEventHandler);
// Creating and setting up the HIFleetingControlsView
HIViewRef hotZone;
status = HIViewFindByID(HIViewGetRoot(aWindowRef), kHotZoneViewID, &hotZone);
require_noerr(status, HIViewFindByID);
HIViewRef contentView;
status = HIViewFindByID(HIViewGetRoot(aWindowRef), kHIViewWindowContentID, &contentView);
require_noerr(status, HIViewFindByID);
HIViewRef fleetingControls;
status = HIFleetingControlsViewCreate(&fleetingControls);
require_noerr(status, HIFleetingControlsViewCreate);
status = HIViewAddSubview(contentView, fleetingControls);
require_noerr(status, HIViewAddSubview);
HIRect zoneRect;
status = HIViewGetFrame(hotZone, &zoneRect);
require_noerr(status, HIViewGetFrame);
zoneRect.size.width -= 20;
zoneRect.size.height = 60;
zoneRect.origin.x += 10;
zoneRect.origin.y += 170;
status = HIViewSetFrame(fleetingControls, &zoneRect);
require_noerr(status, HIViewSetFrame);
status = HIViewSetVisible(fleetingControls, true);
require_noerr(status, HIViewSetVisible);
status = HIFleetingControlsViewSetHotZone(fleetingControls, hotZone);
require_noerr(status, HIFleetingControlsViewSetHotZone);
// Creating and embedding 3 subviews in our HIFleetingControlsView
zoneRect.size.width = 40;
zoneRect.size.height = 40;
zoneRect.origin.x = 10;
zoneRect.origin.y = 10;
HIViewRef basicView;
int i;
for (i = 1; i <= 3; i++)
{
status = HIVeryBasicViewCreate(&basicView);
require_noerr(status, HIVeryBasicViewCreate);
zoneRect.origin.x += 60;
status = HIViewSetFrame(basicView, &zoneRect);
require_noerr(status, HIViewSetFrame);
status = HIViewSetVisible(basicView, true);
require_noerr(status, HIViewSetVisible);
status = HIViewSetCommandID(basicView, 'bas0' + i);
require_noerr(status, HIViewSetCommandID);
status = HIViewAddSubview(fleetingControls, basicView);
require_noerr(status, HIViewAddSubview);
}
// The window was created hidden so show it if the outWindow parameter is NULL,
// if it's not, it will be the responsibility of the caller to show it.
if (outWindow == NULL)
ShowWindow(aWindowRef);
HIViewSetCommandID:
HIVeryBasicViewCreate:
HIFleetingControlsViewSetHotZone:
HIViewSetVisible:
HIViewSetFrame:
HIViewGetFrame:
HIViewAddSubview:
HIFleetingControlsViewCreate:
HIViewFindByID:
CantInstallEventHandler:
SetWindowTitleWithCFString:
CFStringCreateMutableCopy:
CopyWindowTitleAsCFString:
if (theTitle != NULL)
CFRelease(theTitle);
if (theNewTitle != NULL)
CFRelease(theNewTitle);
CantAllocateWindowData:
CreateWindowFromNib:
if (outWindow != NULL)
*outWindow = aWindowRef;
return status;
} // Do_NewWindowFromIB
/*****************************************************
*
* Do_CleanUp(void)
*
* Purpose: called when we get the quit event, closes all the windows.
*
* Inputs: none
*
* Returns: OSStatus - eventNotHandledErr indicates that the quit process can continue
*/
static OSStatus Do_CleanUp(void)
{
WindowRef windowToDispose, aWindowRef = GetFrontWindowOfClass(kDocumentWindowClass, true);
for ( ; aWindowRef != NULL; )
{
windowToDispose = aWindowRef;
aWindowRef = GetNextWindowOfClass(aWindowRef, kDocumentWindowClass, true);
DisposeWindow(windowToDispose);
}
return eventNotHandledErr;
} // Do_CleanUp
</pre>
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