-
Notifications
You must be signed in to change notification settings - Fork 3
/
listing3.html
executable file
·549 lines (470 loc) · 19.8 KB
/
listing3.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
<!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>CarbonTransparentWindow - /CustomTransparentWindow.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');">CarbonTransparentWindow</A> >
</td>
</tr>
<tr>
<td colspan="2" scope="row"><img width="680" height="35" src="images/1dot.gif" alt=""></td>
</tr>
</table>
</div>
<!-- END BREADCRUMB -->
<!-- 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">CarbonTransparentWindow</div></h1></td>
</tr>
</table>
<!-- END TITLE GRAPHIC AND INTRO -->
<!-- START WIDE COLUMN -->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td id="scdetails">
<h2>/CustomTransparentWindow.c</h2>
<form name="scpopupmenu" onSubmit="return false;" method=post>
<p><strong>View Source Code:</strong>
<select name="gotop" onChange="JumpToNewPage();" style="width:340px"><option selected value="ingnore">Select File</option>
<option value="listing1.html">/CarbonTransparentWindow.c</option>
<option value="listing2.html">/CarbonTransparentWindow.h</option>
<option value="listing3.html">/CustomTransparentWindow.c</option>
<option value="listing4.html">/CustomTransparentWindow.h</option>
<option value="listing5.html">/main.c</option></select>
</p>
</form>
<p><strong><a href="CarbonTransparentWindow.zip">Download Sample</a></strong> (“CarbonTransparentWindow.zip”, 44.3K)<BR>
<strong><a href="CarbonTransparentWindow.dmg">Download Sample</a></strong> (“CarbonTransparentWindow.dmg”, 98.7K)</p>
<!--
<p><strong><a href="#">Download Sample</a></strong> (“filename.sit”, 500K)</p>
-->
</td>
</tr>
<tr>
<td scope="row"><img width="680" height="10" src="images/1dot.gif" alt=""><br>
<img height="1" width="680" src="images/1dot_919699.gif" alt=""><br>
<img width="680" height="20" src="images/1dot.gif" alt=""></td>
</tr>
<tr>
<td scope="row">
<!--googleon: index -->
<pre class="sourcecodebox">/*
* File: CustomTransparentWindow.c of CarbonTransparentWindow
*
* Contains: 1 custom transparent window.
*
* Version: 1.0
*
* Created: 6/20/05
*
* 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\xCDs
* 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: Copyright © 2005 Apple Computer, Inc, All Rights Reserved
*/
//****************************************************
//****************************************************
#pragma mark * compilation directives *
//****************************************************
#pragma mark -
#pragma mark * includes & imports *
#include "CustomTransparentWindow.h"
//****************************************************
#pragma mark -
#pragma mark * typedef's, struct's, enums, defines, etc. *
#define kHICustomViewClass CFSTR("com.apple.sample.dts.HICustomView")
typedef struct
{
HIViewRef view; // our view
}
HICustomViewData;
//****************************************************
#pragma mark -
#pragma mark * local (static) function prototypes *
static CFStringRef GetHICustomViewClass(void);
static OSStatus HICreateCustomView(HIViewRef * outHICustomView);
static pascal OSStatus Internal_HICustomViewHandler(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void *inUserData);
//****************************************************
#pragma mark -
#pragma mark * exported globals *
//****************************************************
#pragma mark -
#pragma mark * local (static) globals *
//****************************************************
#pragma mark -
#pragma mark * exported function implementations *
/*****************************************************
*
* Do_NewCustomCompositingWindow()
*
* Purpose: Create a custom compositing transparent window
*
* Inputs: none
*
* Returns: OSStatus - error code (0 == no error)
*/
OSStatus Do_NewCustomCompositingWindow()
{
OSStatus status;
// create a custom View
HIViewRef customView;
status = HICreateCustomView(&customView);
require_noerr(status, HICreateCustomView);
// create a custom window
Rect bounds = {0, 0, 360, 480};
WindowDefSpec def = {kWindowDefHIView, (void *)customView};
WindowRef aWindowRef;
status = CreateCustomWindow(&def, kPlainWindowClass, kWindowStandardHandlerAttribute | kWindowCompositingAttribute, &bounds, &aWindowRef);
require_noerr(status, CreateCustomWindow);
require(aWindowRef != NULL, CreateCustomWindow);
// telling the HIToolbox that our window is not opaque
UInt32 features;
status = GetWindowFeatures(aWindowRef, &features);
require_noerr(status, GetWindowFeatures);
if ( ( features & kWindowIsOpaque ) != 0 )
{
status = HIWindowChangeFeatures(aWindowRef, 0, kWindowIsOpaque);
require_noerr(status, HIWindowChangeFeatures);
}
// adding some content
Rect buttonBounds = { 50, 50, 70, 350 };
HIViewRef button;
status = CreatePushButtonControl(NULL, &buttonBounds, CFSTR("Large Text Push Button"), &button);
require_noerr(status, CreatePushButtonControl);
status = HIViewAddSubview(customView, button);
require_noerr(status, HIViewAddSubview);
MoveWindow(aWindowRef, 100, 100, true);
ShowWindow(aWindowRef);
HIViewAddSubview:
HIViewFindByID:
CreatePushButtonControl:
ReshapeCustomWindow:
HIWindowChangeFeatures:
GetWindowFeatures:
CreateCustomWindow:
HICreateCustomView:
return status;
} // Do_NewCustomCompositingWindow
//****************************************************
#pragma mark -
#pragma mark * local (static) function implementations *
/*****************************************************
*
* HICreateCustomView(outHICustomView)
*
* Purpose: Create a HICustomView
*
* Inputs: outHICustomView - returning the created HIView
*
* Returns: OSStatus - error code (0 == no error)
*/
static OSStatus HICreateCustomView(HIViewRef * outHICustomView)
{
OSStatus status = paramErr;
require(outHICustomView != NULL, paramErr);
*outHICustomView = NULL;
// create the view
HIObjectRef hiObject;
status = HIObjectCreate(GetHICustomViewClass(), 0, &hiObject);
require_noerr(status, HIObjectCreate);
// return the view
*outHICustomView = (HIViewRef)hiObject;
HIObjectCreate:
paramErr:
return status;
} // HICreateCustomView
/*****************************************************
*
* GetHICustomViewClass()
*
* Purpose: Registers our custom HICustomView view class and installs the appropriate handlers
*
* Inputs: none
*
* Returns: our class ID as a CFStringRef
*/
static CFStringRef GetHICustomViewClass(void)
{
// following code is pretty much boiler plate.
static HIObjectClassRef theClass;
if (theClass == NULL)
{
static EventTypeSpec kFactoryEvents[] =
{
{ kEventClassHIObject, kEventHIObjectConstruct },
{ kEventClassHIObject, kEventHIObjectInitialize },
{ kEventClassHIObject, kEventHIObjectDestruct },
{ kEventClassControl, kEventControlInitialize },
{ kEventClassControl, kEventControlDraw },
{ kEventClassControl, kEventControlHitTest },
{ kEventClassControl, kEventControlTrack }
};
HIObjectRegisterSubclass(kHICustomViewClass, kHIViewClassID, 0, Internal_HICustomViewHandler,
GetEventTypeCount(kFactoryEvents), kFactoryEvents, 0, &theClass);
}
return kHICustomViewClass;
} // GetHICustomViewClass
/*****************************************************
*
* Internal_HICustomViewHandler(inHandlerCallRef, inEvent, inUserData)
*
* Purpose: Event handler that implements our HICustomView custom view
*
* 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 - error code (0 == no error)
*/
static pascal OSStatus Internal_HICustomViewHandler(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void * inUserData)
{
OSStatus status = eventNotHandledErr;
HICustomViewData * myData = (HICustomViewData *)inUserData;
switch (GetEventClass(inEvent))
{
case kEventClassHIObject:
switch (GetEventKind(inEvent))
{
case kEventHIObjectConstruct:
{
// allocate some instance data
myData = (HICustomViewData *) calloc(1, sizeof(HICustomViewData));
require_action(myData != NULL, ConstructExit, status = memFullErr);
// get our superclass instance
HIViewRef epView;
status = GetEventParameter(inEvent, kEventParamHIObjectInstance, typeHIObjectRef, NULL, sizeof(epView), NULL, &epView);
require_noerr(status, ConstructExit);
// remember our superclass in our instance data
myData->view = epView;
// calloc fills our structure with all zeroes which is what we want a default value for all our fields
// so we don't need to set them to NULL or 0 one by one
// store our instance data into the event
status = SetEventParameter(inEvent, kEventParamHIObjectInstance, typeVoidPtr, sizeof(myData), &myData);
require_noerr(status, ConstructExit);
ConstructExit:
break;
}
#pragma mark * kEventHIObjectInitialize
case kEventHIObjectInitialize:
{
// always begin kEventHIObjectInitialize by calling through to the previous handler
status = CallNextEventHandler(inHandlerCallRef, inEvent);
require_noerr(status, InitializeExit);
// if that succeeded, do our own initialization
// in this sample code, there is nothing to do
InitializeExit:
break;
}
case kEventHIObjectDestruct:
{
// freeing our storage
if (myData != NULL) free(myData);
status = noErr;
break;
}
default:
break;
}
break;
case kEventClassControl:
switch (GetEventKind(inEvent))
{
#pragma mark * kEventControlInitialize
case kEventControlInitialize:
{
status = CallNextEventHandler(inHandlerCallRef, inEvent);
require_noerr(status, ControlInitializeExit);
// we need to be an embedder HIView so that others HIViews can be added in our custom window
UInt32 features = 0;
status = GetEventParameter(inEvent, kEventParamControlFeatures, typeUInt32, NULL, sizeof(features), NULL, &features);
if (status == noErr)
features |= kControlSupportsEmbedding;
else
features = kControlSupportsEmbedding;
status = SetEventParameter(inEvent, kEventParamControlFeatures, typeUInt32, sizeof features, &features);
require_noerr(status, ControlInitializeExit);
ControlInitializeExit:
break;
}
#pragma mark * kEventControlDraw
case kEventControlDraw:
{
CGContextRef context;
status = GetEventParameter(inEvent, kEventParamCGContextRef, typeCGContextRef, NULL, sizeof(context), NULL, &context);
require_noerr(status, ControlDrawExit);
HIRect bounds, viewBounds;
HIViewGetBounds(myData->view, &viewBounds);
// this will make the entire view totally transparent
CGContextClearRect(context, viewBounds);
// and now we draw with partially opaque colors only where we want
CGContextSetRGBFillColor(context, 0.7, 0, 0, 0.8);
CGContextSetRGBStrokeColor(context, 0, 0, 0.7, 0.8);
// using a line thickness of 3
CGContextSetLineWidth(context, 3);
bounds = CGRectInset(viewBounds, 3, 3);
float minDim = (bounds.size.height < bounds.size.width) ? bounds.size.height / 2 : bounds.size.width / 2;
float cx = bounds.origin.x + minDim, cy = bounds.origin.y + minDim;
// drawing an ellipse
CGContextBeginPath(context);
CGContextAddEllipseInRect(context, CGRectInset(bounds, bounds.size.width * 0.4, 0));
CGContextClosePath(context);
CGContextDrawPath(context, kCGPathFillStroke);
status = noErr;
ControlDrawExit:
break;
}
// we want our custom window to be draggable as if it were a metal window, ie. any click-and-drag in
// the content other than a subview will move the window around
// we just need to handle kEventControlHitTest and kEventControlTrack for that
#pragma mark * kEventControlHitTest
case kEventControlHitTest:
{
// the point parameter is in view-local coords.
HIPoint pt;
status = GetEventParameter(inEvent, kEventParamMouseLocation, typeHIPoint, NULL, sizeof(pt), NULL, &pt);
require_noerr(status, ControlHitTestExit);
HIRect bounds;
status = HIViewGetBounds(myData->view, &bounds);
require_noerr(status, ControlHitTestExit);
if (CGRectContainsPoint(bounds, pt))
{
ControlPartCode part = kControlButtonPart;
SetEventParameter(inEvent, kEventParamControlPart, typeControlPartCode, sizeof(part), &part);
status = noErr;
}
else status = eventNotHandledErr;
ControlHitTestExit:
break;
}
#pragma mark * kEventControlTrack
case kEventControlTrack:
{
Point pt;
status = GetEventParameter(inEvent, kEventParamMouseLocation, typeQDPoint, NULL, sizeof(pt), NULL, &pt);
require_noerr(status, ControlTrackExit);
WindowRef window = GetControlOwner(myData->view);
//
// Convert point from view coordinates to global coordinates. On Tiger and later,
// you could also use HIPointConvert to do this.
//
Rect windowBounds;
GetWindowBounds(window, kWindowStructureRgn, &windowBounds );
pt.h += windowBounds.left;
pt.v += windowBounds.top;
DragWindow(window, pt, NULL);
ControlTrackExit:
break;
}
default:
break;
}
break;
default:
break;
}
return status;
} // Internal_HICustomViewHandler
</pre>
<!--googleoff: index -->
</td>
</tr>
</table>
<!-- END WIDE COLUMN -->
<!-- END MAIN CONTENT -->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr>
<td><div style="width: 100%; height: 1px; background-color: #919699; margin-top: 5px; margin-bottom: 15px"></div></td>
</tr>
<tr>
<td align="center"><br/>
<table border="0" cellpadding="0" cellspacing="0" class="graybox">
<tr>
<th>Did this document help you?</th>
</tr>
<tr>
<td>
<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/CarbonTransparentWindow/listing3.html%3Fid%3DDTS10003751-1.0&media=dvd" target=_new>Yes</a>: Tell us what works for you.</div>
<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=2&url=/samplecode/CarbonTransparentWindow/listing3.html%3Fid%3DDTS10003751-1.0&media=dvd" target=_new>It’s good, but:</a> Report typos, inaccuracies, and so forth.</div>
<div><a href="http://developer.apple.com/feedback/?v=3&url=/samplecode/CarbonTransparentWindow/listing3.html%3Fid%3DDTS10003751-1.0&media=dvd" target=_new>It wasn’t helpful</a>: Tell us what would have helped.</div>
</td>
</tr>
</table>
</td>
</tr>
</table>
<!-- START BOTTOM APPLE NAVIGATION -->
<!--#include virtual="/includes/footer"-->
<!-- END BOTTOM APPLE NAVIGATION -->
<!-- START CENTER CLOSE -->
</center>
<!-- END CENTER CLOSE -->
</body>
</html>