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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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<h2>/6_HIToolbox/ExamplePrefs.c</h2>
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<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">/0_ Tutorial Start Here.html</option>
<option value="listing2.html">/0_Tutorial/Carbon Events.html</option>
<option value="listing3.html">/0_Tutorial/Classic.html</option>
<option value="listing4.html">/0_Tutorial/Conclusion.html</option>
<option value="listing5.html">/0_Tutorial/Data Browser.html</option>
<option value="listing6.html">/0_Tutorial/First Carbon.html</option>
<option value="listing7.html">/0_Tutorial/HIToolbox.html</option>
<option value="listing8.html">/0_Tutorial/Mach-O.html</option>
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<option value="listing10.html">/0_Tutorial/Universal Binary.html</option>
<option value="listing11.html">/1_Classic/ExamplePrefs.c</option>
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<option value="listing14.html">/1_Classic/Help.c</option>
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<option value="listing145.html">/7_Universal_Binary/PrefsWindow.h</option></select>
</p>
</form>
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<!--googleon: index -->
<pre class="sourcecodebox">/*
File: ExamplePrefs.c
Abstract: Demo program showing how the custom Icon Data Browser might be used in
creating a Preferences window/dialog.
Version: 6.0
Change History:
<6.0> converted the Mach-O version to use an Interface Builder
nib interface
added MacOSVersion to determine whether or not we can
use HIView/compositing mode with our data browsers
<5.0> removed GetWindowDeviceDepthAndColor
<4.0> removed all Classic code
removed handleEvents and doIdleProcessing
made HandleMenuChoice an internal function, changed the
name to handleCommand, and stopped explicitly handling
the kHICommandClose command
removed RunningInMacOSX and gMacOSX; now that we're
using Mach-O for Mac OS X and PEF for Mac OS 8/9
exclusively we can determine the environment at compile
time
changed the finalization section to send a
kHICommandClose command to close the prefs window
<3.0> converted to RunApplicationEventLoop for Carbon
much of this file has been separated into Classic and
Carbon code
added appEventHandler to support Carbon Events
<2.0> Carbonized
added RunningInMacOSX to support the Aqua appearance
<1.0> first release version, this is totally Mac OS 8.6-savvy
it's kind of cheating but we decided to use Carbon Event
HI Command IDs even though we're not using Carbon Events
(or Carbon for that matter)
© Copyright 2005 Apple Computer, Inc. All rights reserved.
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
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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
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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.
*/
#include "ExamplePrefs.h"
#include "IconDBUtilities.h"
#include "PrefsDialog.h"
#include "PrefsWindow.h"
static AEEventHandlerUPP gOpenAppAEHandler;
static AEEventHandlerUPP gQuitAppAEHandler;
static AEEventHandlerUPP gViewsFontChangedAEHandler;
static EventHandlerUPP gAppEventHandler;
static long gMacOSVersion; // in BCD
static void initialize(void);
static pascal OSStatus appEventHandler(EventHandlerCallRef nextHandler, EventRef event,
void *junk);
static OSStatus handleCommand(HICommand command);
static pascal OSErr openApplicationAEHandler(const AppleEvent *appleEvent, AppleEvent *reply,
long refcon);
static pascal OSErr quitApplicationAEHandler(const AppleEvent *appleEvent, AppleEvent *reply,
long refcon);
static pascal OSErr viewsFontChangedAEHandler(const AppleEvent *appleEvent, AppleEvent *reply,
long refcon);
// --------------------------------------------------------------------------------------
int main(void)
{
WindowRef window;
FourCharCode prefsWindowKind;
initialize(); // initialization
RunApplicationEventLoop(); // application event loop
// finalization
for (window = FrontNonFloatingWindow(); window != NULL; window = FrontNonFloatingWindow())
{
#if !TARGET_API_MAC_OSX
#pragma unused (prefsWindowKind)
if (GetWindowKind(window) == kDialogWindowKind)
ClosePrefsDialog(window);
else // kApplicationWindowKind
{
HICommand closeCommand;
closeCommand.attributes = 0; // not from a menu, control, or window
closeCommand.commandID = kHICommandClose;
ProcessHICommand(&closeCommand);
}
#else
GetWindowProperty(window, kAppSignature, kPrefsWindowKindTag, sizeof(FourCharCode),
NULL, &prefsWindowKind);
if (prefsWindowKind == kPrefsWindowKindDialog)
ClosePrefsDialog(window);
else // kPrefsWindowKindWindow
{
HICommand closeCommand;
closeCommand.attributes = 0; // not from a menu, control, or window
closeCommand.commandID = kHICommandClose;
ProcessHICommand(&closeCommand);
}
#endif
}
DisposeAEEventHandlerUPP(gOpenAppAEHandler);
DisposeAEEventHandlerUPP(gQuitAppAEHandler);
DisposeAEEventHandlerUPP(gViewsFontChangedAEHandler);
DisposeEventHandlerUPP(gAppEventHandler);
return 0;
}
// --------------------------------------------------------------------------------------
static void initialize(void)
{
MenuBarHandle menuBar;
OSStatus status;
IBNibRef nib;
OSErr error;
/* I doubt we actually need any extra master pointers but I left the call here
as a reminder for where it belongs if it is needed. */
MoreMasterPointers(64); // each call to MoreMasters allocates 64 master pointers
InitCursor();
RegisterAppearanceClient();
#if !TARGET_API_MAC_OSX
#pragma unused(status, nib)
menuBar = GetNewMBar(rMenuBar); // draw the menu bar as soon as possible
if (menuBar == NULL)
ExitToShell();
SetMenuBar(menuBar);
#else
#pragma unused(menuBar)
status = CreateNibReference(CFSTR("ExamplePrefs"), &nib);
if (status != noErr)
ExitToShell();
status = SetMenuBarFromNib(nib, CFSTR("MenuBar"));
if (status != noErr)
ExitToShell();
DisposeNibReference(nib);
#endif
DrawMenuBar();
// do non time sensitive initialization after we get the application event loop going
gOpenAppAEHandler = NewAEEventHandlerUPP(openApplicationAEHandler);
error = AEInstallEventHandler(kCoreEventClass, kAEOpenApplication, gOpenAppAEHandler, 0,
false);
if (error != noErr)
ExitToShell();
/* If we supported them, we would install open documents and print documents
handlers here and we would do most of the same initialization stuff that we
do in the open application handler */
}
// --------------------------------------------------------------------------------------
static pascal OSStatus appEventHandler(EventHandlerCallRef nextHandler, EventRef event,
void *junk)
{
#pragma unused (nextHandler, junk)
OSStatus result = eventNotHandledErr;
UInt32 eventClass, eventKind;
HICommand command;
eventClass = GetEventClass(event);
eventKind = GetEventKind(event);
switch (eventClass)
{
case kEventClassCommand:
switch (eventKind)
{
case kEventCommandProcess:
GetEventParameter(event, kEventParamDirectObject, typeHICommand, NULL,
sizeof(HICommand), NULL, &command);
result = handleCommand(command);
break;
}
break;
}
return result;
}
// --------------------------------------------------------------------------------------
OSStatus handleCommand(HICommand command)
{
OSStatus result = eventNotHandledErr;
switch (command.commandID)
{
/* Note that we're not handling the Quit HI Command here. Instead we let
the default handler process it which sends us a Quit Application Apple
Event, which we are "required" to handle anyways. Similarly we are
letting the default handler process the Close HI Command which sends a
close window Carbon Event to the appropriate window. */
case kHICommandAbout:
SysBeep(30);
result = noErr;
break;
case kCommandPrWin:
OpenPrefsWindow();
result = noErr;
break;
case kCommandPrDlg:
OpenPrefsDialog();
result = noErr;
break;
default: // there isn't a recognized command ID; see if it's a menu item we know
if ((command.attributes & kHICommandFromMenu) != 0)
{
MenuID menuID;
menuID = GetMenuID(command.menu.menuRef);
switch (menuID)
{ // all of our menu items have commands but if they didn't we
} // would further switch on command.menu.menuItemIndex
}
}
return result;
}
#pragma mark -
// --------------------------------------------------------------------------------------
static pascal OSErr openApplicationAEHandler(const AppleEvent *appleEvent, AppleEvent *reply,
long refcon)
{
#pragma unused (reply, refcon)
OSErr error;
DescType returnedType;
Size actualSize;
error = AEGetAttributePtr(appleEvent, keyMissedKeywordAttr, typeWildCard, &returnedType,
NULL, 0, &actualSize);
if (error == noErr)
error = errAEParamMissed;
else if (error == errAEDescNotFound)
{
EventTypeSpec applicationEvents[] = {
{kEventClassCommand, kEventCommandProcess}
};
/* For our program running in Carbon, a Quit Application Apple Event handler
is unnecessary because RunApplicationEventLoop installs one for us that
calls QuitApplicationEventLoop. However we will leave ours here in case
we ever need it to do something different so that we know where it
belongs. */
gQuitAppAEHandler = NewAEEventHandlerUPP(quitApplicationAEHandler);
error = AEInstallEventHandler(kCoreEventClass, kAEQuitApplication, gQuitAppAEHandler,
0, false);
if (error != noErr) // if we can't allow the user a mechanism to quit
{ // we'd better just quit right now
DisposeAEEventHandlerUPP(gOpenAppAEHandler);
DisposeAEEventHandlerUPP(gQuitAppAEHandler);
ExitToShell();
}
gViewsFontChangedAEHandler = NewAEEventHandlerUPP(viewsFontChangedAEHandler);
error = AEInstallEventHandler(kAppearanceEventClass, kAEViewsFontChanged,
gViewsFontChangedAEHandler, 0, false);
gAppEventHandler = NewEventHandlerUPP(appEventHandler);
InstallApplicationEventHandler(gAppEventHandler, GetEventTypeCount(applicationEvents),
applicationEvents, NULL, NULL);
Gestalt(gestaltSystemVersion, &gMacOSVersion); // get the version of Mac OS we're
// running on
InitIconDataBrowser();
error = noErr;
}
return error;
}
// --------------------------------------------------------------------------------------
static pascal OSErr quitApplicationAEHandler(const AppleEvent *appleEvent, AppleEvent *reply,
long refcon)
{
#pragma unused (reply, refcon)
OSErr error;
DescType returnedType;
Size actualSize;
error = AEGetAttributePtr(appleEvent, keyMissedKeywordAttr, typeWildCard, &returnedType,
NULL, 0, &actualSize);
if (error == noErr)
error = errAEParamMissed;
else if (error == errAEDescNotFound)
{
QuitApplicationEventLoop();
error = noErr;
}
return error;
}
// --------------------------------------------------------------------------------------
static pascal OSErr viewsFontChangedAEHandler(const AppleEvent *appleEvent, AppleEvent *reply,
long refcon)
{
#pragma unused (reply, refcon)
OSErr error;
DescType returnedType;
Size actualSize;
error = AEGetAttributePtr(appleEvent, keyMissedKeywordAttr, typeWildCard, &returnedType,
NULL, 0, &actualSize);
if (error == noErr)
error = errAEParamMissed;
else if (error == errAEDescNotFound)
{
WindowRef window;
FourCharCode prefsWindowKind;
for (window = GetFrontWindowOfClass(kDocumentWindowClass, false); window != NULL;
window = GetNextWindowOfClass(window, kDocumentWindowClass, false))
{
#if !TARGET_API_MAC_OSX
#pragma unused (prefsWindowKind)
if (GetWindowKind(window) == kDialogWindowKind)
RedrawPrefsDialogDataBrowser(window);
else // kApplicationWindowKind
RedrawPrefsWindowDataBrowser(window);
#else
GetWindowProperty(window, kAppSignature, kPrefsWindowKindTag, sizeof(FourCharCode),
NULL, &prefsWindowKind);
if (prefsWindowKind == kPrefsWindowKindDialog)
RedrawPrefsDialogDataBrowser(window);
else // kPrefsWindowKindWindow
RedrawPrefsWindowDataBrowser(window);
#endif
}
error = noErr;
}
return error;
}
#pragma mark -
#if TARGET_API_MAC_OSX
// --------------------------------------------------------------------------------------
long MacOSVersion(void)
{
return gMacOSVersion;
}
#endif</pre>
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