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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>
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<title>CalendarView - /CalendarView.c</title>
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<center>
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<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');">CalendarView</A> >
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<table width="680" border="0" cellpadding="0" cellspacing="0">
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<td><h1><div id="pagehead">CalendarView</div></h1></td>
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<h2>/CalendarView.c</h2>
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<p><strong>View Source Code:</strong>
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<option value="listing1.html">/CalendarView.c</option>
<option value="listing2.html">/CalendarView.h</option>
<option value="listing3.html">/main.c</option>
<option value="listing4.html">/ShadeRect.c</option>
<option value="listing5.html">/ShadeRect.h</option></select>
</p>
</form>
<p><strong><a href="CalendarView.zip">Download Sample</a></strong> (“CalendarView.zip”, 22.4K)<BR>
<strong><a href="CalendarView.dmg">Download Sample</a></strong> (“CalendarView.dmg”, 80.1K)</p>
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<!--googleon: index -->
<pre class="sourcecodebox">/*
File: CalendarView.c
Version: 1.0
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.
Copyright © 2002 Apple Computer, Inc., All Rights Reserved
*/
#include <Carbon/Carbon.h>
#include "CalendarView.h"
#include "ShadeRect.h"
// -----------------------------------------------------------------------------
// constants
// -----------------------------------------------------------------------------
//
enum
{
kCalendarMonthPart = 100,
kCalendarPreviousYearPart,
kCalendarPreviousMonthPart,
kCalendarNextMonthPart,
kCalendarNextYearPart,
kCalendarSundayNamePart = 200,
kCalendarMondayNamePart,
kCalendarTuesdayNamePart,
kCalendarWednesdayNamePart,
kCalendarThursdayNamePart,
kCalendarFridayNamePart,
kCalendarSaturdayNamePart
};
#define kCalendarViewClassID CFSTR( "com.apple.CalendarView" )
const ControlPartCode kControlOpaqueRegionMetaPart = -3;
// -----------------------------------------------------------------------------
// types
// -----------------------------------------------------------------------------
//
typedef struct
{
HIViewRef view;
// Geometry
float titleRowRatio;
float dayNameRowRatio;
float dayRowRatio;
// Date stuff
CFGregorianDate date;
CFTimeZoneRef timeZone;
UInt8 firstDay;
UInt8 daysInMonth;
// Proc stuff
CalendarDrawUPP drawProc;
CalendarDrawUPP labelProc;
} CalendarViewData;
// -----------------------------------------------------------------------------
// prototypes
// -----------------------------------------------------------------------------
//
OSStatus CalendarViewRegister();
pascal OSStatus CalendarViewHandler(
EventHandlerCallRef inCallRef,
EventRef inEvent,
void* inUserData );
OSStatus CalendarViewConstruct(
EventRef inEvent );
OSStatus CalendarViewInitialize(
EventHandlerCallRef inCallRef,
EventRef inEvent,
CalendarViewData* inData );
OSStatus CalendarViewDestruct(
EventRef inEvent,
CalendarViewData* inData );
OSStatus CalendarViewDraw(
EventRef inEvent,
CalendarViewData* inData );
OSStatus CalendarViewHitTest(
EventRef inEvent,
CalendarViewData* inData );
OSStatus CalendarViewTrack(
EventRef inEvent,
CalendarViewData* inData );
OSStatus CalendarViewChanged(
EventRef inEvent,
CalendarViewData* inData );
OSStatus CalendarViewGetData(
EventRef inEvent,
CalendarViewData* inData );
OSStatus CalendarViewSetData(
EventRef inEvent,
CalendarViewData* inData );
OSStatus CalendarViewGetRegion(
EventRef inEvent,
CalendarViewData* inData );
ControlPartCode FindPart(
const HIRect* inBounds,
const HIPoint* inWhere,
CalendarViewData* inData );
pascal void DefaultDrawPart(
ControlPartCode inPart,
const HIRect* inPartRect,
const CalendarDrawData* inData );
pascal void DefaultDrawPartLabel(
ControlPartCode inPart,
const HIRect* inPartRect,
const CalendarDrawData* inData );
void SetUpDateData(
CalendarViewData* inData );
// -----------------------------------------------------------------------------
// globals
// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
// CalendarViewCreate
// -----------------------------------------------------------------------------
//
OSStatus CalendarViewCreate(
WindowRef inWindow,
const Rect* inBounds,
ControlRef* outControl )
{
OSStatus err;
ControlRef root;
EventRef event;
require_action( inWindow != NULL, BadParent, err = paramErr );
require_action( inBounds != NULL, BadBounds, err = paramErr );
// Make sure this type of view is registered
err = CalendarViewRegister();
require_noerr( err, CantRegister );
// Make the initialization event
err = CreateEvent( NULL, kEventClassHIObject, kEventHIObjectInitialize,
GetCurrentEventTime(), 0, &event );
require_noerr( err, CantCreateEvent );
// Set the bounds into the event
err = SetEventParameter( event, 'Boun', typeQDRectangle,
sizeof( Rect ), inBounds );
require_noerr( err, CantSetParameter );
err = HIObjectCreate( kCalendarViewClassID, event, (HIObjectRef*) outControl );
require_noerr( err, CantCreate );
// Get the content root
err = GetRootControl( inWindow, &root );
require_noerr( err, CantGetRootControl );
// And stick this view into it
err = HIViewAddSubview( root, *outControl );
CantCreate:
CantGetRootControl:
CantSetParameter:
CantCreateEvent:
ReleaseEvent( event );
CantRegister:
BadBounds:
BadParent:
return err;
}
// -----------------------------------------------------------------------------
// CalendarViewRegister
// -----------------------------------------------------------------------------
//
OSStatus CalendarViewRegister()
{
OSStatus err = noErr;
static HIObjectClassRef sCalendarViewClassRef = NULL;
if ( sCalendarViewClassRef == NULL )
{
EventTypeSpec eventList[] = {
{ kEventClassHIObject, kEventHIObjectConstruct },
{ kEventClassHIObject, kEventHIObjectInitialize },
{ kEventClassHIObject, kEventHIObjectDestruct },
{ kEventClassControl, kEventControlInitialize },
{ kEventClassControl, kEventControlDraw },
{ kEventClassControl, kEventControlHitTest },
{ kEventClassControl, kEventControlTrack },
{ kEventClassControl, kEventControlValueFieldChanged },
{ kEventClassControl, kEventControlHiliteChanged },
{ kEventClassControl, kEventControlGetData },
{ kEventClassControl, kEventControlSetData },
{ kEventClassControl, kEventControlGetPartRegion }};
err = HIObjectRegisterSubclass(
kCalendarViewClassID, // class ID
kHIViewClassID, // base class ID
NULL, // option bits
CalendarViewHandler, // construct proc
GetEventTypeCount( eventList ),
eventList,
NULL, // construct data,
&sCalendarViewClassRef );
}
return err;
}
// -----------------------------------------------------------------------------
// CalendarViewHandler
// -----------------------------------------------------------------------------
// This is the bottleneck for incoming events
//
pascal OSStatus CalendarViewHandler(
EventHandlerCallRef inCallRef,
EventRef inEvent,
void* inUserData )
{
OSStatus err = eventNotHandledErr;
UInt32 eventClass = GetEventClass( inEvent );
UInt32 eventKind = GetEventKind( inEvent );
CalendarViewData* data = (CalendarViewData*) inUserData;
switch ( eventClass )
{
case kEventClassHIObject:
{
switch ( eventKind )
{
case kEventHIObjectConstruct:
err = CalendarViewConstruct( inEvent );
break;
case kEventHIObjectInitialize:
err = CalendarViewInitialize( inCallRef, inEvent, data );
break;
case kEventHIObjectDestruct:
// don't CallNextEventHandler!
err = CalendarViewDestruct( inEvent, data );
break;
}
}
break;
case kEventClassControl:
{
switch ( eventKind )
{
case kEventControlInitialize:
err = noErr;
break;
case kEventControlDraw:
err = CalendarViewDraw( inEvent, data );
break;
case kEventControlHitTest:
err = CalendarViewHitTest( inEvent, data );
break;
case kEventControlTrack:
err = CalendarViewTrack( inEvent, data );
break;
case kEventControlValueFieldChanged:
case kEventControlHiliteChanged:
err = CalendarViewChanged( inEvent, data );
break;
case kEventControlGetData:
err = CalendarViewGetData( inEvent, data );
break;
case kEventControlSetData:
err = CalendarViewSetData( inEvent, data );
break;
case kEventControlGetPartRegion:
err = CalendarViewGetRegion( inEvent, data );
break;
}
}
break;
}
return err;
}
// -----------------------------------------------------------------------------
// CalendarViewConstruct
// -----------------------------------------------------------------------------
//
OSStatus CalendarViewConstruct(
EventRef inEvent )
{
OSStatus err;
CalendarViewData* data;
// don't CallNextEventHandler!
data = (CalendarViewData*) malloc( sizeof( CalendarViewData ) );
require_action( data != NULL, CantMalloc, err = memFullErr );
// Set up the row height ratios
data->titleRowRatio = 0.5; // half a row
data->dayNameRowRatio = 0.5; // half a row
data->dayRowRatio = 1.0; // full row
// Set up the current timezone
data->timeZone = CFTimeZoneCopySystem();
require_action( data->timeZone != NULL, CantGetTimeZone, err = memFullErr );
// Set up the current month
data->date = CFAbsoluteTimeGetGregorianDate( CFAbsoluteTimeGetCurrent(), data->timeZone );
data->date.day = 1;
data->date.hour = 0;
data->date.minute = 0;
data->date.second = 0;
SetUpDateData( data );
// Set up the default drawing callbacks
data->drawProc = DefaultDrawPart;
data->labelProc = DefaultDrawPartLabel;
// Keep a copy of the created HIViewRef
err = GetEventParameter( inEvent, kEventParamHIObjectInstance, typeHIObjectRef,
NULL, sizeof( HIObjectRef ), NULL, (HIObjectRef*) &data->view );
require_noerr( err, ParameterMissing );
// Set the userData that will be used with all subsequent eventHandler calls
err = SetEventParameter( inEvent, kEventParamHIObjectInstance, typeVoidPtr,
sizeof( CalendarViewData* ), &data );
ParameterMissing:
CantGetTimeZone:
if ( err != noErr )
free( data );
CantMalloc:
return err;
}
// -----------------------------------------------------------------------------
// CalendarViewDestruct
// -----------------------------------------------------------------------------
//
OSStatus CalendarViewDestruct(
EventRef inEvent,
CalendarViewData* inData )
{
#pragma unused( inEvent )
// Clean up any allocated data
CFRelease( inData->timeZone );
free( inData );
return noErr;
}
// -----------------------------------------------------------------------------
// CalendarViewInitialize
// -----------------------------------------------------------------------------
//
OSStatus CalendarViewInitialize(
EventHandlerCallRef inCallRef,
EventRef inEvent,
CalendarViewData* inData )
{
OSStatus err;
Rect bounds;
UInt32 features = kControlSupportsDataAccess;
// Let the base class initialization occur
err = CallNextEventHandler( inCallRef, inEvent );
require_noerr( err, TroubleInSuperClass );
// Extract the initial view bounds from the event
err = GetEventParameter( inEvent, 'Boun', typeQDRectangle,
NULL, sizeof( Rect ), NULL, &bounds );
require_noerr( err, ParameterMissing );
// Set up this view's feature bits
err = SetEventParameter( inEvent, kEventParamControlFeatures, typeUInt32,
sizeof( UInt32 ), &features );
SetControlBounds( inData->view, &bounds );
ParameterMissing:
TroubleInSuperClass:
return err;
}
// -----------------------------------------------------------------------------
// CalendarViewDraw
// -----------------------------------------------------------------------------
//
OSStatus CalendarViewDraw(
EventRef inEvent,
CalendarViewData* inData )
{
OSStatus err;
HIRect bounds;
float rowHeight;
float colWidth;
int cols;
float rows = 0;
HIRect drawRect;
ControlPartCode part;
UInt16 dayCount = 0;
float rowCount = 6 * inData->dayRowRatio + inData->dayNameRowRatio + inData->titleRowRatio;
CalendarDrawData drawData;
// Get ready to do the CG drawing boogaloo!
err = GetEventParameter( inEvent, kEventParamCGContextRef, typeCGContextRef,
NULL, sizeof( CGContextRef ), NULL, &drawData.context );
require_noerr( err, ParameterMissing );
err = HIViewGetBounds( inData->view, &bounds );
drawData.hilitePart = GetControlHilite( inData->view );
drawData.daysInMonth = inData->daysInMonth;
drawData.date = inData->date;
// Figure out how tall a row should be
rowHeight = bounds.size.height / rowCount;
colWidth = (int) ( bounds.size.width / 14 ); // round here instead of over and over
drawRect = bounds;
drawRect.size.width = colWidth * 14;
InvokeCalendarDrawUPP( kControlStructureMetaPart, &drawRect, &drawData, inData->drawProc );
drawRect.origin = bounds.origin;
drawRect.size.height = (int) ( rowHeight * inData->titleRowRatio );
drawRect.size.width = colWidth;
InvokeCalendarDrawUPP( kCalendarPreviousYearPart, &drawRect, &drawData, inData->drawProc );
InvokeCalendarDrawUPP( kCalendarPreviousYearPart, &drawRect, &drawData, inData->labelProc );
drawRect.origin.x += drawRect.size.width;
InvokeCalendarDrawUPP( kCalendarPreviousMonthPart, &drawRect, &drawData, inData->drawProc );
InvokeCalendarDrawUPP( kCalendarPreviousMonthPart, &drawRect, &drawData, inData->labelProc );
drawRect.origin.x += drawRect.size.width;
// Draw the month
drawRect.size.width = 10 * colWidth;
InvokeCalendarDrawUPP( kCalendarMonthPart, &drawRect, &drawData, inData->drawProc );
InvokeCalendarDrawUPP( kCalendarMonthPart, &drawRect, &drawData, inData->labelProc );
drawRect.origin.x += drawRect.size.width;
drawRect.size.width = colWidth;
InvokeCalendarDrawUPP( kCalendarNextMonthPart, &drawRect, &drawData, inData->drawProc );
InvokeCalendarDrawUPP( kCalendarNextMonthPart, &drawRect, &drawData, inData->labelProc );
drawRect.origin.x += drawRect.size.width;
InvokeCalendarDrawUPP( kCalendarNextYearPart, &drawRect, &drawData, inData->drawProc );
InvokeCalendarDrawUPP( kCalendarNextYearPart, &drawRect, &drawData, inData->labelProc );
drawRect.origin.y += drawRect.size.height; // on to the next row!
rows += inData->titleRowRatio;
drawRect.origin.x = bounds.origin.x; // reset to leftmost
// Optionally draw the week day names
if ( inData->dayNameRowRatio != 0 )
{
// Draw the weekdays
drawRect.size.width = 2 * colWidth;
drawRect.size.height = (int) ( rowHeight * inData->dayNameRowRatio );
part = kCalendarSundayNamePart;
for ( cols = 0; cols < 7; cols++ )
{
InvokeCalendarDrawUPP( part, &drawRect, &drawData, inData->drawProc );
InvokeCalendarDrawUPP( part, &drawRect, &drawData, inData->labelProc );
drawRect.origin.x += drawRect.size.width; // on to the next col!
part++;
}
drawRect.origin.y += drawRect.size.height; // on to the next row!
rows += inData->dayNameRowRatio;
}
// Set up to draw the date rows
drawRect.origin.x = bounds.origin.x; // reset to leftmost
drawRect.size.width = 2 * colWidth;
drawRect.size.height = (int) ( rowHeight * inData->dayRowRatio );
part = 0;
for ( ; rows < rowCount; rows += inData->dayRowRatio )
{
for ( cols = 0; cols < 7; cols++ )
{
if ( dayCount++ >= inData->firstDay )
part++;
InvokeCalendarDrawUPP( part > inData->daysInMonth ? 0 : part, &drawRect, &drawData, inData->drawProc );
InvokeCalendarDrawUPP( part > inData->daysInMonth ? 0 : part, &drawRect, &drawData, inData->labelProc );
drawRect.origin.x += drawRect.size.width; // on to the next col!
}
drawRect.origin.x = bounds.origin.x; // reset to leftmost
drawRect.origin.y += drawRect.size.height; // on to the next row!
}
ParameterMissing:
return err;
}
// -----------------------------------------------------------------------------
// CalendarViewHitTest
// -----------------------------------------------------------------------------
//
OSStatus CalendarViewHitTest(
EventRef inEvent,
CalendarViewData* inData )
{
OSStatus err;
HIRect bounds;
HIPoint where;
ControlPartCode part;
err = GetEventParameter( inEvent, kEventParamMouseLocation, typeHIPoint,
NULL, sizeof( HIPoint ), NULL, &where );
require_noerr( err, ParameterMissing );
err = HIViewGetBounds( inData->view, &bounds );
part = FindPart( &bounds, &where, inData );
err = SetEventParameter( inEvent, kEventParamControlPart, typeControlPartCode,
sizeof( ControlPartCode ), &part );
ParameterMissing:
return err;
}
// -----------------------------------------------------------------------------
// CalendarViewTrack
// -----------------------------------------------------------------------------
//
OSStatus CalendarViewTrack(
EventRef inEvent,
CalendarViewData* inData )
{
OSStatus err;
HIRect bounds;
HIPoint where;
ControlPartCode part;
ControlPartCode lastPart;
ControlPartCode startHilite;
Point qdPt;
MouseTrackingResult mouseResult;
PixMapHandle portPixMap;
err = GetEventParameter( inEvent, kEventParamMouseLocation, typeHIPoint,
NULL, sizeof( HIPoint ), NULL, &where );
require_noerr( err, ParameterMissing );
err = HIViewGetBounds( inData->view, &bounds );
startHilite = GetControlHilite( inData->view );
lastPart = FindPart( &bounds, &where, inData );
HiliteControl( inData->view, lastPart );
// Need the port's pixMap's bounds to convert the point
portPixMap = GetPortPixMap( GetWindowPort( GetControlOwner( inData->view ) ) );
while ( true )
{
part = FindPart( &bounds, &where, inData );
if ( lastPart != part )
HiliteControl( inData->view, part );
lastPart = part;
err = TrackMouseLocation( (GrafPtr)-1L, &qdPt, &mouseResult );
// Need to convert from global
QDGlobalToLocalPoint( GetWindowPort( GetControlOwner( inData->view ) ), &qdPt );
where.x = qdPt.h - (**portPixMap).bounds.left;
where.y = qdPt.v - (**portPixMap).bounds.top;
HIViewConvertPoint( &where, NULL, inData->view );
// bail out when the mouse is released
if ( mouseResult == kMouseTrackingMouseReleased )
break;
}
// If a day wasn't clicked, revert the highlight to the last highlit day
if ( lastPart < 1 || lastPart > inData->daysInMonth )
HiliteControl( inData->view, startHilite );
if ( lastPart >= kCalendarPreviousYearPart && lastPart <= kCalendarNextYearPart )
{
CFAbsoluteTime tempTime;
CFGregorianUnits dateChange = { 0, 0, 0, 0, 0, 0 };
tempTime = CFGregorianDateGetAbsoluteTime( inData->date, inData->timeZone );
switch( lastPart )
{
case kCalendarPreviousYearPart:
dateChange.years = -1;
break;
case kCalendarPreviousMonthPart:
dateChange.months = -1;
break;
case kCalendarNextMonthPart:
dateChange.months = 1;
break;
case kCalendarNextYearPart:
dateChange.years = 1;
break;
}
tempTime = CFAbsoluteTimeAddGregorianUnits( tempTime, inData->timeZone, dateChange );
inData->date = CFAbsoluteTimeGetGregorianDate( tempTime, inData->timeZone );
SetUpDateData( inData );
}
err = SetEventParameter( inEvent, kEventParamControlPart, typeControlPartCode,
sizeof( ControlPartCode ), &part );
ParameterMissing:
return err;
}
// -----------------------------------------------------------------------------
// CalendarViewChanged
// -----------------------------------------------------------------------------
//
OSStatus CalendarViewChanged(
EventRef inEvent,
CalendarViewData* inData )
{
#pragma unused( inEvent )
OSStatus err = noErr;
HIViewSetNeedsDisplay( inData->view, true );
return err;
}
// -----------------------------------------------------------------------------
// CalendarViewGetData
// -----------------------------------------------------------------------------
//
OSStatus CalendarViewGetData(
EventRef inEvent,
CalendarViewData* inData )
{
OSStatus err;
ControlPartCode part;
OSType tag;
Ptr ptr;
Size size;
Size outSize;
err = GetEventParameter( inEvent, kEventParamControlPart, typeControlPartCode,
NULL, sizeof( ControlPartCode ), NULL, &part );
require_noerr( err, ParameterMissing );
err = GetEventParameter( inEvent, kEventParamControlDataTag, typeEnumeration,
NULL, sizeof( OSType ), NULL, &tag );
require_noerr( err, ParameterMissing );
err = GetEventParameter( inEvent, kEventParamControlDataBuffer, typePtr,
NULL, sizeof( Ptr ), NULL, &ptr );
require_noerr( err, ParameterMissing );
err = GetEventParameter( inEvent, kEventParamControlDataBufferSize, typeLongInteger,
NULL, sizeof( Size ), NULL, &size );
require_noerr( err, ParameterMissing );
switch ( tag )
{
case kControlCalendarTitleRatioTag:
if ( size == sizeof( float ) )
*( (float*) ptr ) = inData->titleRowRatio;
else
err = errDataSizeMismatch;
outSize = sizeof( float );
break;
case kControlCalendarDayNameRatioTag:
if ( size == sizeof( float ) )
*( (float*) ptr ) = inData->dayNameRowRatio;
else
err = errDataSizeMismatch;
outSize = sizeof( float );
break;
case kControlCalendarDayRatioTag:
if ( size == sizeof( float ) )
*( (float*) ptr ) = inData->dayRowRatio;
else
err = errDataSizeMismatch;
outSize = sizeof( float );
break;
case kControlCalendarDateTag:
if ( size == sizeof( CFGregorianDate ) )
*( (CFGregorianDate*) ptr ) = inData->date;
else
err = errDataSizeMismatch;
outSize = sizeof( CFGregorianDate );
break;
case kControlCalendarDrawProcTag:
if ( size == sizeof( CalendarDrawUPP ) )
*( (CalendarDrawUPP*) ptr ) = inData->drawProc;
else
err = errDataSizeMismatch;
outSize = sizeof( CalendarDrawUPP );
break;
case kControlCalendarLabelProcTag:
if ( size == sizeof( CalendarDrawUPP ) )
*( (CalendarDrawUPP*) ptr ) = inData->labelProc;
else
err = errDataSizeMismatch;
outSize = sizeof( CalendarDrawUPP );
break;
default:
err = errDataNotSupported;
outSize = 0;
break;
}
if ( err == noErr )
err = SetEventParameter( inEvent, kEventParamControlDataBufferSize, typeLongInteger,
sizeof( Size ), &outSize );
ParameterMissing:
return err;
}
// -----------------------------------------------------------------------------
// CalendarViewSetData
// -----------------------------------------------------------------------------
//
OSStatus CalendarViewSetData(
EventRef inEvent,
CalendarViewData* inData )
{
OSStatus err;
ControlPartCode part;
OSType tag;
Ptr ptr;
Size size;
err = GetEventParameter( inEvent, kEventParamControlPart, typeControlPartCode,
NULL, sizeof( ControlPartCode ), NULL, &part );
require_noerr( err, ParameterMissing );
err = GetEventParameter( inEvent, kEventParamControlDataTag, typeEnumeration,
NULL, sizeof( OSType ), NULL, &tag );
require_noerr( err, ParameterMissing );
err = GetEventParameter( inEvent, kEventParamControlDataBuffer, typePtr,
NULL, sizeof( Ptr ), NULL, &ptr );
require_noerr( err, ParameterMissing );
err = GetEventParameter( inEvent, kEventParamControlDataBufferSize, typeLongInteger,
NULL, sizeof( Size ), NULL, &size );
require_noerr( err, ParameterMissing );
switch ( tag )
{
case kControlCalendarTitleRatioTag:
if ( size == sizeof( float ) )
inData->titleRowRatio = *( (float*) ptr );
else
err = errDataSizeMismatch;
break;
case kControlCalendarDayNameRatioTag:
if ( size == sizeof( float ) )
inData->dayNameRowRatio = *( (float*) ptr );
else
err = errDataSizeMismatch;
break;
case kControlCalendarDayRatioTag:
if ( size == sizeof( float ) )
inData->dayRowRatio = *( (float*) ptr );
else
err = errDataSizeMismatch;
break;
case kControlCalendarDateTag:
if ( size == sizeof( CFGregorianDate ) )
{
inData->date.year = ( (CFGregorianDate*) ptr )->year;
inData->date.month = ( (CFGregorianDate*) ptr )->month;
SetUpDateData( inData );
HIViewSetNeedsDisplay( inData->view, true );
}
else
{
err = errDataSizeMismatch;
}
break;
case kControlCalendarDrawProcTag:
if ( size == sizeof( CalendarDrawUPP ) )
inData->drawProc = *( (CalendarDrawUPP*) ptr );
else
err = errDataSizeMismatch;
break;
case kControlCalendarLabelProcTag:
if ( size == sizeof( CalendarDrawUPP ) )
inData->labelProc = *( (CalendarDrawUPP*) ptr );
else
err = errDataSizeMismatch;
break;
default:
err = errDataNotSupported;
break;
}
ParameterMissing:
return err;
}
// -----------------------------------------------------------------------------
// CalendarViewGetRegion
// -----------------------------------------------------------------------------
//
OSStatus CalendarViewGetRegion(
EventRef inEvent,
CalendarViewData* inData )
{
OSStatus err;
ControlPartCode part;
RgnHandle outRegion;
HIRect bounds;
Rect qdBounds;
err = GetEventParameter( inEvent, kEventParamControlPart, typeControlPartCode,
NULL, sizeof( ControlPartCode ), NULL, &part );
require_noerr( err, ParameterMissing );
err = GetEventParameter( inEvent, kEventParamControlRegion, typeQDRgnHandle,
NULL, sizeof( RgnHandle ), NULL, &outRegion );
if ( part == kControlContentMetaPart
|| part == kControlStructureMetaPart
/* || part == kControlOpaqueRegionMetaPart */ )
{
HIViewGetBounds( inData->view, &bounds );
qdBounds.top = (SInt16) CGRectGetMinY( bounds );
qdBounds.left = (SInt16) CGRectGetMinX( bounds );
qdBounds.bottom = (SInt16) CGRectGetMaxY( bounds );
qdBounds.right = (SInt16) CGRectGetMaxX( bounds );
RectRgn( outRegion, &qdBounds );
}
ParameterMissing:
return err;
}
// -----------------------------------------------------------------------------
// FindPart