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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/">
<link rel="stylesheet" type="text/css" href="../../documentation/css/adcstyle.css" title="fonts">
<script language="JavaScript" src="../../documentation/js/adc.js" type="text/javascript"></script>
<!-- END META TAG INFO -->
<!-- BEGIN TITLE -->
<title>RecentItems - /main.c</title>
<!-- END TITLE -->
<script language="JavaScript">
function JumpToNewPage() {
window.location=document.scpopupmenu.gotop.value;
return true;
}
</script>
</head>
<!-- BEGIN BODY OPEN -->
<body>
<!--END BODY OPEN -->
<!-- START CENTER OPEN -->
<center>
<!-- END CENTER OPEN -->
<!-- BEGIN LOGO AND SEARCH -->
<!--#include virtual="/includes/adcnavbar"-->
<!-- END LOGO AND SEARCH -->
<!-- START BREADCRUMB -->
<div id="breadcrumb">
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr>
<td scope="row"><img width="340" height="10" src="images/1dot.gif" alt=""></td>
<td><img width="340" height="10" src="images/1dot.gif" alt=""></td>
</tr>
<tr valign="middle">
<td align="left" colspan="2">
<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');">RecentItems</A> >
</td>
</tr>
<tr>
<td colspan="2" scope="row"><img width="680" height="35" src="images/1dot.gif" alt=""></td>
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</table>
</div>
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<!-- START MAIN CONTENT -->
<!-- START TITLE GRAPHIC AND INTRO-->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td><h1><div id="pagehead">RecentItems</div></h1></td>
</tr>
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<h2>/main.c</h2>
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<p><strong>View Source Code:</strong>
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<option value="listing1.html">/main.c</option>
<option value="listing2.html">/RecentItems.c</option>
<option value="listing3.html">/RecentItems.h</option></select>
</p>
</form>
<p><strong><a href="RecentItems.zip">Download Sample</a></strong> (“RecentItems.zip”, 68.9K)<BR>
<strong><a href="RecentItems.dmg">Download Sample</a></strong> (“RecentItems.dmg”, 133.6K)</p>
<!--
<p><strong><a href="#">Download Sample</a></strong> (“filename.sit”, 500K)</p>
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<!--googleon: index -->
<pre class="sourcecodebox">//
// File: main.c of RecentItems
//
// Contains: A skeleton of modern nib-based and Carbon Events-based Carbon application.
//
// Version: 1.0
//
// Created: 5 / 15 / 06
//
// Copyright: Copyright 2006 Apple Computer, Inc., All Rights Reserved
//
// Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, 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 Apple's 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 Computer, 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.
//
//****************************************************
#pragma mark * complation directives *
#define USE_DRAG_N_DROP TRUE
//****************************************************
#pragma mark -
#pragma mark * includes & imports *
//----------------------------------------------------
#include <Carbon/Carbon.h>
#include "RecentItems.h"
//****************************************************
#pragma mark -
#pragma mark * typedef's, struct's, enums, defines, etc. *
//----------------------------------------------------
#if DEBUG_ASSERT_PRODUCTION_CODE
#define require_orelse_continue( assertion ) \
{ \
if ( !( assertion ) ) \
continue; \
}
#else
#define require_orelse_continue( assertion ) { \
if ( !( assertion ) ) { \
DEBUG_ASSERT_MESSAGE( DEBUG_ASSERT_COMPONENT_NAME_STRING, \
#assertion, \
0, \
0, \
__FILE__, \
__LINE__, \
0 ); \
continue; \
} \
}
#endif
#define require_orelse_continue_quiet( assertion ) \
{ \
if ( !( assertion ) ) \
continue; \
}
#if USE_DRAG_N_DROP
typedef struct dnd_data_struct {
HIViewRef fHIViewRef;
HIPoint fHIPoint;
Boolean fDragging;
} dnd_data_rec, *dnd_data_ptr;
#endif USE_DRAG_N_DROP
// Application preference keys
#define kOpenFolderContentsPrefKey CFSTR( "Open Folders?" )
#define kOpenFolderRecursivePrefKey CFSTR( "Open Folders Recursive?" )
#define kResolveAliasesContentsPrefKey CFSTR( "Resolve Aliases?" )
#define kResolveAliasesChainsPrefKey CFSTR( "Resolve Aliases Chains?" )
#define kRecentAppsPrefKey CFSTR( "Recent Apps" )
#define kRecentFoldersPrefKey CFSTR( "Recent Folders" )
#define kRecentDocsPrefKey CFSTR( "Recent Docs" )
// Preferences window's command ID's
#define kOpenFoldersHICommand 'OFld'
#define kOpenFoldersRecursiveHICommand 'OFRc'
#define kResolveAliasesHICommand 'RAls'
#define kResolveAliasesChainsHICommand 'RARc'
// The commands send by our recent menu items
#define kRecentAppsMenuCMD 'RecA'
#define kRecentFoldersMenuCMD 'RecF'
#define kRecentDocsMenuCMD 'RecD'
#define kRecentClearMenuCMD 'RecC'
//****************************************************
#pragma mark -
#pragma mark * local ( static ) function prototypes *
//----------------------------------------------------
static pascal OSErr Handle_OpenApplicationAE( const AppleEvent * inAppleEvent, AppleEvent * outAppleEvent, long inHandlerRefcon );
static pascal OSErr Handle_ReopenApplicationAE( const AppleEvent * inAppleEvent, AppleEvent * outAppleEvent, long inHandlerRefcon );
static pascal OSErr Handle_OpenDocumentsAE( const AppleEvent * inAppleEvent, AppleEvent * outAppleEvent, long inHandlerRefcon );
static pascal OSErr Handle_PrintDocumentsAE( const AppleEvent * inAppleEvent, AppleEvent * outAppleEvent, long inHandlerRefcon );
static OSErr Install_AppleEventHandlers( void );
static OSStatus Handle_AppEvents( EventHandlerCallRef inCaller, EventRef inEvent, void * inRefcon );
static OSStatus Handle_NewWindow( void );
static OSStatus Handle_WindowEvents( EventHandlerCallRef inCaller, EventRef inEvent, void * inRefcon );
#if USE_DRAG_N_DROP
static OSStatus Handle_DragEvents( EventHandlerCallRef inCaller, EventRef inEvent, void * inRefcon );
#endif USE_DRAG_N_DROP
static void Handle_NewPrefWindow( void );
static pascal OSStatus Handle_PrefCommandProcess( EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void * inUserData );
static pascal OSStatus Handle_PrefWindowIsAboutToClose( EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void * inUserData );
static void Get_Preferences( void );
static OSStatus Set_Preferences( void );
static OSStatus Do_OpenDocs( AEDescList inDocumentsList );
static void Append_ContainerItemsToAEDescList( const FSRef * inFSRef, AEDescList inDocumentsList );
static OSErr Get_ContainerItems( const FSRef * inContainerFSRef, FSRef * **outFSRefHandle, ItemCount * outNumRefs, Boolean * outContainerChanged );
//****************************************************
#pragma mark -
#pragma mark * exported globals *
//----------------------------------------------------
//****************************************************
#pragma mark -
#pragma mark * local ( static ) globals *
//----------------------------------------------------
static FSRef gApplicationBundleFSRef;
static IBNibRef gMainIBNibRef = NULL;
static Boolean gAutoQuit = FALSE; // if this is TRUE we auto-quit after a drag-n-drop ( 'odoc' ) launch
// our preferences
static WindowRef gPreferencesWindow = NULL;
static Boolean gOpenFolderContents = TRUE;
static Boolean gOpenFolderRecursive = TRUE;
static Boolean gResolveAliases = TRUE;
static Boolean gResolveAliasesChains = TRUE;
// Preferences window's checkboxes' IDs
static const HIViewID kOpenFoldersHID = { kOpenFoldersHICommand, 100 };
static const HIViewID kOpenFoldersRecursiveHID = { kOpenFoldersRecursiveHICommand, 100 };
static const HIViewID kResolveAliasesHID = { kResolveAliasesHICommand, 100 };
static const HIViewID kResolveAliasesChainsHID = { kResolveAliasesChainsHICommand, 100 };
#if USE_DRAG_N_DROP
// Our Drag-N-Drop HIView ( user pane )
static const HIViewID kDragNDropHID = { 'DnDv', 0 };
#endif USE_DRAG_N_DROP
static MenuRef gRecentAppsMenuRef = NULL;
static MenuRef gRecentFoldersMenuRef = NULL;
static MenuRef gRecentDocsMenuRef = NULL;
//****************************************************
#pragma mark -
#pragma mark * exported function implementations *
//----------------------------------------------------
/*****************************************************
*
* Routine: main ( argc, argv )
*
* Purpose: main program entry point
*
* 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 result;
Get_Preferences( ); // load user preferences
ProcessSerialNumber psn = { 0, kCurrentProcess };
result = GetProcessBundleLocation( &psn, &gApplicationBundleFSRef );
require_noerr( result, Oops );
// Create a Nib reference, passing the name of the nib file ( without the .nib extension ).
// CreateNibReference only searches into the application bundle.
result = CreateNibReference( CFSTR( "main" ), &gMainIBNibRef );
require_noerr( result, Oops );
// 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.
result = SetMenuBarFromNib( gMainIBNibRef, CFSTR( "MenuBar" ) );
require_noerr( result, Oops );
// Install the Apple Event handlers
Install_AppleEventHandlers( );
// Install our handler for common commands on the application target
const EventTypeSpec kAppEvents[] = {
{ kEventClassCommand, kEventCommandProcess }, { kEventClassCommand, kEventCommandUpdateStatus }, };
InstallApplicationEventHandler( NewEventHandlerUPP( Handle_AppEvents ), GetEventTypeCount( kAppEvents ), kAppEvents, 0, NULL );
// setup the recent menus
MenuRef tMenuRef;
MenuItemIndex tMenuItemIndex;
// Applications
do {
result = GetIndMenuItemWithCommandID( NULL, kRecentAppsMenuCMD, 1, &tMenuRef, &tMenuItemIndex );
if ( noErr != result ) break;
result = GetMenuItemHierarchicalMenu( tMenuRef, tMenuItemIndex, &gRecentAppsMenuRef );
if ( noErr != result ) break;
result = RecentItems_SetMaxItems( gRecentAppsMenuRef, 10 );
if ( noErr != result ) break;
result = RecentItems_PopulateMenu( gRecentAppsMenuRef, kRecentAppsPrefKey, kRecentAppsMenuCMD );
if ( noErr != result ) break;
} while ( FALSE );
// Folders
do {
result = GetIndMenuItemWithCommandID( NULL, kRecentFoldersMenuCMD, 1, &tMenuRef, &tMenuItemIndex );
if ( noErr != result ) break;
result = GetMenuItemHierarchicalMenu( tMenuRef, tMenuItemIndex, &gRecentFoldersMenuRef );
if ( noErr != result ) break;
result = RecentItems_SetMaxItems( gRecentFoldersMenuRef, 20 );
if ( noErr != result ) break;
result = RecentItems_PopulateMenu( gRecentFoldersMenuRef, kRecentFoldersPrefKey, kRecentFoldersMenuCMD );
if ( noErr != result ) break;
} while ( FALSE );
// Documents
do {
result = GetIndMenuItemWithCommandID( NULL, kRecentDocsMenuCMD, 1, &tMenuRef, &tMenuItemIndex );
if ( noErr != result ) break;
result = GetMenuItemHierarchicalMenu( tMenuRef, tMenuItemIndex, &gRecentDocsMenuRef );
if ( noErr != result ) break;
result = RecentItems_SetMaxItems( gRecentDocsMenuRef, 30 );
if ( noErr != result ) break;
result = RecentItems_PopulateMenu( gRecentDocsMenuRef, kRecentDocsPrefKey, kRecentDocsMenuCMD );
if ( noErr != result ) break;
// result = RecentItems_DisableOpenItems( gRecentDocsMenuRef );
} while ( FALSE );
result = noErr;
// Run the event loop
RunApplicationEventLoop( );
Oops: ;
return result;
} // main
/*****************************************************/
#pragma mark -
#pragma mark * local ( static ) function implementations *
//----------------------------------------------------
#pragma mark * AppleEvent Handlers *
/*****************************************************
*
* Routine: Handle_OpenApplicationAE( 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_OpenApplicationAE( const AppleEvent * inAppleEvent, AppleEvent * outAppleEvent, long inHandlerRefcon )
{
gAutoQuit = FALSE; // this is NOT a drag-n-drop launch; disable auto-quit
// if no windows are open then...
WindowRef tWindowRef = GetFrontWindowOfClass( kDocumentWindowClass, TRUE );
if ( !tWindowRef )
Handle_NewWindow( ); // create an empty window
return noErr;
} // Handle_OpenApplicationAE
/*****************************************************
*
* Routine: Handle_ReopenApplicationAE( 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_ReopenApplicationAE( const AppleEvent * inAppleEvent, AppleEvent * outAppleEvent, long inHandlerRefcon )
{
// We were already running but with no windows so we create an empty one.
WindowRef tWindowRef = GetFrontWindowOfClass( kDocumentWindowClass, TRUE );
if ( !tWindowRef )
Handle_NewWindow( );
return noErr;
} // Handle_ReopenApplicationAE
/*****************************************************
*
* Routine: Handle_OpenDocumentsAE( 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_OpenDocumentsAE( const AppleEvent * inAppleEvent, AppleEvent * outAppleEvent, long inHandlerRefcon )
{
AEDescList documentsList;
OSErr err = AEGetParamDesc( inAppleEvent, keyDirectObject, typeAEList, &documentsList );
require_noerr( err, Oops );
err = Do_OpenDocs( documentsList );
AEDisposeDesc( &documentsList );
Oops: ;
if ( gAutoQuit ) {
printf( "Handle_OpenDocumentsAE, gAutoQuit.\n" );
QuitApplicationEventLoop( );
}
return err;
} // Handle_OpenDocumentsAE
/*****************************************************
*
* Routine: Handle_PrintDocumentsAE( 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_PrintDocumentsAE( const AppleEvent * inAppleEvent, AppleEvent * outAppleEvent, long inHandlerRefcon )
{
return errAEEventNotHandled;
} // Handle_PrintDocumentsAE
/*****************************************************
*
* Routine: Install_AppleEventHandlers( void )
*
* Purpose: installs the AppleEvent handlers
*
* Inputs: none
*
* Returns: OSErr - error code ( 0 == no error )
*
*/
static OSErr Install_AppleEventHandlers( void )
{
OSErr result;
result = AEInstallEventHandler( kCoreEventClass, kAEOpenApplication, Handle_OpenApplicationAE, 0, FALSE );
require_noerr( result, Oops );
result = AEInstallEventHandler( kCoreEventClass, kAEReopenApplication, Handle_ReopenApplicationAE, 0, FALSE );
require_noerr( result, Oops );
result = AEInstallEventHandler( kCoreEventClass, kAEOpenDocuments, Handle_OpenDocumentsAE, 0, FALSE );
require_noerr( result, Oops );
result = AEInstallEventHandler( kCoreEventClass, kAEPrintDocuments, Handle_PrintDocumentsAE, 0, FALSE );
require_noerr( result, Oops );
// Note: Since RunApplicationEventLoop installs a Quit AE Handler, there is no need to do it here.
Oops: ;
return result;
} // Install_AppleEventHandlers
#pragma mark -
#pragma mark * CarbonEvent Handlers *
//----------------------------------------------------
/*****************************************************
*
* Routine: Handle_AppEvents( inCaller, inEvent, inRefcon )
*
* Purpose: called to process commands from Carbon events
*
* Inputs: inCaller - reference to the current handler call chain
* inEvent - the event
* inRefcon - app - specified data you passed in the call to InstallApplicationEventHandler ( NULL )
*
* Returns: OSStatus - noErr indicates the event was handled
* eventNotHandledErr indicates the event was not handled and the Toolbox should take over
*
*/
static OSStatus Handle_AppEvents( EventHandlerCallRef inCaller, EventRef inEvent, void * inRefcon )
{
OSStatus result = eventNotHandledErr;
UInt32 eventClass = GetEventClass( inEvent );
UInt32 eventKind = GetEventKind( inEvent );
switch ( eventClass ) {
case kEventClassCommand: {
HICommand tHICommand;
verify_noerr( GetEventParameter( inEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof( tHICommand ), NULL, &tHICommand ) );
switch ( eventKind ) {
case kEventCommandProcess: {
switch ( tHICommand.commandID ) {
case kHICommandPreferences:
Handle_NewPrefWindow( );
break;
case kHICommandNew: {
result = Handle_NewWindow( );
break;
}
case kRecentAppsMenuCMD:
case kRecentFoldersMenuCMD:
case kRecentDocsMenuCMD: {
if ( kHICommandFromMenu & tHICommand.attributes ) {
FSRef tFSRef;
OSStatus status = RecentItems_GetMenuItemFile( tHICommand.menu.menuRef, tHICommand.menu.menuItemIndex, &tFSRef );
if ( noErr == status ) {
HFSUniStr255 tHFSUniStr255;
FSGetCatalogInfo( &tFSRef, kFSCatInfoNone, NULL, &tHFSUniStr255, NULL, NULL );
CFStringRef tCFStringRef = CFStringCreateWithCharacters( kCFAllocatorDefault, tHFSUniStr255.unicode, tHFSUniStr255.length );
if ( tCFStringRef ) {
char buffer[256];
CFStringGetCString( tCFStringRef, buffer, 256, kCFStringEncodingMacRoman );
switch ( tHICommand.commandID ) {
case kRecentAppsMenuCMD: {
printf( "Recent app menu item #%d: <%s > .\n", tHICommand.menu.menuItemIndex, buffer );
break;
}
case kRecentFoldersMenuCMD: {
printf( "Recent folder menu item #%d: <%s > .\n", tHICommand.menu.menuItemIndex, buffer );
break;
}
case kRecentDocsMenuCMD: {
printf( "Recent file menu item #%d: <%s > .\n", tHICommand.menu.menuItemIndex, buffer );
break;
}
}
CFRelease( tCFStringRef );
result = noErr;
}
}
}
break;
}
#if TRUE
case kRecentClearMenuCMD: {
// clear all our recent items ( ignoring errors )
( void ) RecentItems_Clear( kRecentAppsPrefKey );
( void ) RecentItems_Clear( kRecentFoldersPrefKey );
( void ) RecentItems_Clear( kRecentDocsPrefKey );
// after we've cleared all our prefs we repopulate our menus ( ignoring errors )
( void ) RecentItems_PopulateMenu( gRecentAppsMenuRef, kRecentAppsPrefKey, kRecentAppsMenuCMD );
( void ) RecentItems_PopulateMenu( gRecentFoldersMenuRef, kRecentFoldersPrefKey, kRecentFoldersMenuCMD );
( void ) RecentItems_PopulateMenu( gRecentDocsMenuRef, kRecentDocsPrefKey, kRecentDocsMenuCMD );
break;
}
#endif
case kHICommandAbout:
case kHICommandOpen:
case kHICommandQuit:
{
// these are just here to prevent them from logging the "unhandled commandID" error below
break;
}
// Add your own command handling cases here
default: {
if ( tHICommand.commandID < ' ' ) {
fprintf( stderr, "%s: Unhandled commandID: %ld ( 0x % 08lX ).\n", __PRETTY_FUNCTION__, tHICommand.commandID, tHICommand.commandID );
} else {
fprintf( stderr, "%s: Unhandled commandID: '%.4s'.\n", __PRETTY_FUNCTION__, &tHICommand.commandID );
}
break;
}
}
break;
}
case kEventCommandUpdateStatus: {
// Note: You'll only get here if there aren't any windows open OR
// if Handle_WindowEvents returns eventNotHandledErr.
switch ( tHICommand.commandID ) {
case kHICommandAbout:
case kHICommandPreferences:
{
EnableMenuItem( tHICommand.menu.menuRef, tHICommand.menu.menuItemIndex );
break;
}
case kHICommandClose:
case kHICommandSave:
case kHICommandSaveAs:
case kHICommandRevert:
case kHICommandPageSetup:
case kHICommandPrint:
case kHICommandUndo:
case kHICommandRedo:
case kHICommandCut:
case kHICommandCopy:
case kHICommandPaste:
case kHICommandClear:
case kHICommandSelectAll:
{
DisableMenuItem( tHICommand.menu.menuRef, tHICommand.menu.menuItemIndex );
break;
}
}
break;
}
default: {
fprintf( stderr, "%s: Unhandled event { class: '%.4s', kind: '%.4s' }.\n", __PRETTY_FUNCTION__, &eventClass, &eventKind );
break;
}
}
break;
}
default: {
fprintf( stderr, "%s: Unhandled event { class: '%.4s', kind: '%.4s' }.\n", __PRETTY_FUNCTION__, &eventClass, &eventKind );
break;
}
}
return result;
} // Handle_AppEvents
#pragma mark -
#pragma mark * Windows *
//----------------------------------------------------
/*****************************************************
*
* Routine: Handle_NewWindow( )
*
* Purpose: called create a new window
*
* Inputs: none
*
* Returns: OSErr - error code ( 0 == no error )
*
*/
static OSStatus Handle_NewWindow( void )
{
OSStatus result;
const EventTypeSpec kWindowEvents[] = {
{ kEventClassCommand, kEventCommandProcess }, { kEventClassCommand, kEventCommandUpdateStatus }, };
static EventHandlerUPP sWindowEventHandlerUPP = NULL;
if ( !sWindowEventHandlerUPP ) {
sWindowEventHandlerUPP = NewEventHandlerUPP( Handle_WindowEvents );
assert( sWindowEventHandlerUPP );
}
// Create a window. "MainWindow" is the name of the window object. This name is set in
// InterfaceBuilder when the nib is created.
WindowRef tWindowRef;
result = CreateWindowFromNib( gMainIBNibRef, CFSTR( "MainWindow" ), &tWindowRef );
require_noerr( result, Oops );
// Install a command handler on the window. We don't use this handler yet, but nearly all
// Carbon apps will need to handle commands, so this saves everyone a little typing.
result = InstallWindowEventHandler( tWindowRef, sWindowEventHandlerUPP, GetEventTypeCount( kWindowEvents ), kWindowEvents, tWindowRef, NULL );
require_noerr( result, Oops );
#if USE_DRAG_N_DROP
OSStatus status = noErr;
do { // basicly a TRY block
HIViewRef tHIViewRef;
status = HIViewFindByID( HIViewGetRoot( tWindowRef ), kDragNDropHID, &tHIViewRef );
if ( noErr != status ) break;
dnd_data_ptr dnd_ptr = ( dnd_data_ptr ) malloc( sizeof( dnd_data_rec ) );
if ( !dnd_ptr ) break;
SetControlReference( tHIViewRef, ( SInt32 ) dnd_ptr );
EventTypeSpec tDragEvents[] = {
{ kEventClassControl, kEventControlDraw }, { kEventClassControl, kEventControlDragEnter }, // { kEventClassControl, kEventControlDragWithin }, { kEventClassControl, kEventControlDragLeave }, { kEventClassControl, kEventControlDragReceive }
};
status = HIViewInstallEventHandler( tHIViewRef, Handle_DragEvents, GetEventTypeCount( tDragEvents ), tDragEvents, tHIViewRef, NULL );
if ( noErr != status ) break;
status = SetControlDragTrackingEnabled( tHIViewRef, TRUE );
if ( noErr != status ) break;
} while ( FALSE );
// We want window and thus our custom view to be able to respond to drops
status = SetAutomaticControlDragTrackingEnabledForWindow( tWindowRef, TRUE );
require_noerr( status, Oops );
#endif USE_DRAG_N_DROP
// Position new windows in a staggered arrangement on the main screen
RepositionWindow( tWindowRef, NULL, kWindowCascadeOnMainScreen );
// mark window as not modified
SetWindowModified( tWindowRef, FALSE );
// The window was created hidden, so show it
ShowWindow( tWindowRef );
Oops: ;
return result;
}
/*****************************************************
*
* Routine: Handle_WindowEvents( inCaller, inEvent, inRefcon )
*
* Purpose: called to process our window events
*
* Inputs: inCaller - reference to the current handler call chain
* inEvent - the event
* inRefcon - app - specified data you passed in the call to InstallApplicationEventHandler ( NULL )
*
* Returns: OSStatus - noErr indicates the event was handled
* eventNotHandledErr indicates the event was not handled and the Toolbox should take over
*
*/
static OSStatus Handle_WindowEvents( EventHandlerCallRef inCaller, EventRef inEvent, void * inRefcon )
{
WindowRef tWindowRef = ( WindowRef ) inRefcon;
OSStatus result = eventNotHandledErr;
UInt32 eventClass = GetEventClass( inEvent );
UInt32 eventKind = GetEventKind( inEvent );
switch ( eventClass ) {
case kEventClassCommand: {
HICommand tHICommand;
verify_noerr( GetEventParameter( inEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof( tHICommand ), NULL, &tHICommand ) );
// Note: any command class events that return eventNotHandledErr here will be proprogated to Handle_AppEvents
switch ( eventKind ) {
case kEventCommandProcess: {
switch ( tHICommand.commandID ) {
// Add your own command handling cases here
case kHICommandAbout:
case kHICommandPreferences:
case kHICommandSelectWindow:
case kHICommandOpen:
case kHICommandClose:
case kHICommandQuit:
{
// these are just here to prevent them from logging the "unhandled commandID" error below
break;
}
default: {
if ( tHICommand.commandID < ' ' ) {
fprintf( stderr, "%s: Unhandled commandID: %ld ( 0x % 08lX ).\n", __PRETTY_FUNCTION__, tHICommand.commandID, tHICommand.commandID );
} else {
fprintf( stderr, "%s: Unhandled commandID: '%.4s'.\n", __PRETTY_FUNCTION__, &tHICommand.commandID );
}
break;
}
}
break;
}
case kEventCommandUpdateStatus: {
switch ( tHICommand.commandID ) {
case kHICommandClose:
case kHICommandSaveAs:
case kHICommandPageSetup:
case kHICommandPrint:
{
EnableMenuItem( tHICommand.menu.menuRef, tHICommand.menu.menuItemIndex );
result = noErr;
break;
}
case kHICommandSave:
case kHICommandRevert:
{
if ( IsWindowModified( tWindowRef ) ) {
EnableMenuItem( tHICommand.menu.menuRef, tHICommand.menu.menuItemIndex );
} else {
DisableMenuItem( tHICommand.menu.menuRef, tHICommand.menu.menuItemIndex );
}
result = noErr;
break;
}
case kHICommandUndo:
case kHICommandRedo:
{
if ( FALSE ) {
EnableMenuItem( tHICommand.menu.menuRef, tHICommand.menu.menuItemIndex );
} else {
DisableMenuItem( tHICommand.menu.menuRef, tHICommand.menu.menuItemIndex );
}
result = noErr;
break;
}
}
// FYI: the Edit menu is handled automatically by MLTE
break;
}
default: {
fprintf( stderr, "%s: Unhandled event { class: '%.4s', kind: '%.4s' }.\n", __PRETTY_FUNCTION__, &eventClass, &eventKind );
break;
}
}
break;
}
default: {
fprintf( stderr, "%s: Unhandled event { class: '%.4s', kind: '%.4s' }.\n", __PRETTY_FUNCTION__, &eventClass, &eventKind );
break;
}
}
return result;
} // Handle_WindowEvents
#if USE_DRAG_N_DROP
/*****************************************************
*
* Routine: Handle_DragEvents( inCaller, inEvent, inRefcon )
*
* Purpose: called to process commands from Carbon events
*
* Inputs: inCaller - reference to the current handler call chain
* inEvent - the event
* inRefcon - data you passed in the call to InstallApplicationEventHandler ( our HIViewRef )
*
* Returns: OSStatus - noErr indicates the event was handled
* eventNotHandledErr indicates the event was not handled and the Toolbox should take over
*
*/
static OSStatus Handle_DragEvents( EventHandlerCallRef inCaller, EventRef inEvent, void * inRefcon )
{
HIViewRef tHIViewRef = ( HIViewRef ) inRefcon;
OSStatus result = eventNotHandledErr, status;
dnd_data_ptr dnd_ptr = ( dnd_data_ptr ) GetControlReference( tHIViewRef );
HIRect bounds;
HIViewGetBounds( tHIViewRef, &bounds );
UInt32 eventClass = GetEventClass( inEvent );
UInt32 eventKind = GetEventKind( inEvent );
switch ( eventClass ) {
case kEventClassControl: {
switch ( eventKind ) {
case kEventControlDraw: {
CGContextRef tCGContextRef;
status = GetEventParameter( inEvent, kEventParamCGContextRef, typeCGContextRef, NULL, sizeof( tCGContextRef ), NULL, &tCGContextRef );
require_noerr( status, Oops );
if ( dnd_ptr->fDragging ) {
CGContextSetRGBFillColor( tCGContextRef, 0.875f, 1.0f, 0.875f, 1.0f );
CGContextFillRect( tCGContextRef, bounds );
HIRect focusHIRect = CGRectInset( bounds, 2, 2 );
HIThemeDrawFocusRect( &focusHIRect, TRUE, tCGContextRef, kHIThemeOrientationNormal );
} else {
CGContextSetRGBFillColor( tCGContextRef, 1.0f, 1.0f, 0.875f, 1.0f );
CGContextFillRect( tCGContextRef, bounds );
}
result = noErr;
break;
} // case kEventControlDraw:
case kEventControlDragEnter: {
printf( "kEventControlDragEnter\n" );
Boolean accept = TRUE;
status = SetEventParameter( inEvent, kEventParamControlWouldAcceptDrop, typeBoolean, sizeof( accept ), &accept );
require_noerr( status, Oops );
HIViewSetNeedsDisplay( tHIViewRef, TRUE );
dnd_ptr->fDragging = TRUE;
result = noErr;
break;
} // case kEventControlDragEnter:
case kEventControlDragWithin: {
printf( "kEventControlDragWithin\n" );
// the drag is being moved around within our custom view bounds
// we determine the location in the view's local coordinate system and
// ask for a refresh
DragRef dragRef;
status = GetEventParameter( inEvent, kEventParamDragRef, typeDragRef, NULL, sizeof( dragRef ), NULL, &dragRef );
require_noerr( status, Oops );
Point mouse, globalMouse;
status = GetDragMouse( dragRef, &mouse, &globalMouse );
require_noerr( status, Oops );
dnd_ptr->fHIPoint = CGPointMake( globalMouse.h, globalMouse.v );
HIPointConvert( &dnd_ptr->fHIPoint, kHICoordSpace72DPIGlobal, NULL, kHICoordSpaceView, tHIViewRef );
if ( CGRectContainsPoint( bounds, dnd_ptr->fHIPoint ) ) {
// myData->dragSpot = hiPoint;
HIViewSetNeedsDisplay( tHIViewRef, true );
}
result = noErr;
break;
} // case kEventControlDragWithin:
case kEventControlDragLeave: {
printf( "kEventControlDragLeave\n" );
dnd_ptr->fDragging = FALSE;
HIViewSetNeedsDisplay( tHIViewRef, TRUE );
result = noErr;
break;
} // case kEventControlDragLeave:
case kEventControlDragReceive: {
printf( "kEventControlDragReceive\n" );
HIViewSetNeedsDisplay( tHIViewRef, TRUE );
DragRef dragRef;
status = GetEventParameter( inEvent, kEventParamDragRef, typeDragRef, NULL, sizeof( dragRef ), NULL, &dragRef );
require_noerr( status, Oops );
PasteboardRef pasteBoard;
status = GetDragPasteboard( dragRef, &pasteBoard );
require_noerr( status, Oops );
// how many items in the pasteboard?
ItemCount i, itemCount;
status = PasteboardGetItemCount( pasteBoard, &itemCount );
require_noerr( status, Oops );
// create an empty list
AEDescList itemAEDescList;
status = AECreateList( NULL, 0, FALSE, &itemAEDescList );
require_noerr( status, Oops );
// let's loop on the items...
for ( i = 1 ; i <= itemCount ; i++ ) {
PasteboardItemID itemID;
CFArrayRef flavorTypeArray = NULL;
CFIndex j, flavorCount = 0;
status = PasteboardGetItemIdentifier( pasteBoard, i, &itemID );
require_noerr( status, Oops );
// how many flavors in this item?
status = PasteboardCopyItemFlavors( pasteBoard, itemID, &flavorTypeArray );
require_noerr( status, Oops );
if ( flavorTypeArray ) {
flavorCount = CFArrayGetCount( flavorTypeArray );
// let's loop on the flavors
for( j = 0; j < flavorCount ; j++ ) {
CFDataRef flavorData;
CFStringRef flavorType = ( CFStringRef )CFArrayGetValueAtIndex( flavorTypeArray, j );
require_orelse_continue( flavorType );
// CFShow( flavorType );