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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/Carbon/index.html">Carbon</a> > <a href="../../samplecode/Carbon/idxHumanInterfaceToolbox-date.html">Human Interface Toolbox</a> > <A HREF="javascript:location.replace('index.html');">HIDoubleSlider</A> >
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<h2>/TestHIView.cp</h2>
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<pre class="sourcecodebox">/* File: TestHIView.cp Contains: Minimal application to test HIViews. Version: 1.0.1 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 "HIDoubleSlider.h"// Common stuff to all samplesvoid InitToolbox(void);void InitMenuBar(void);pascal OSErr HandlePref(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon);pascal OSErr HandleOapp(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon);pascal OSErr HandleOdoc(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon);pascal OSErr HandlePdoc(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon);void InstallAppleEventHandlers(void);pascal OSStatus CommandProcess(EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);void InstallApplicationCarbonEventHandlers(void);void DoCloseWindow(WindowRef theWind);void RecursiveCloseWindow(WindowRef theWind);void CloseAllWindows();void InitApplication(void);void TermApplication(void);// End of common stuffvoid DoAboutBox(void);void DoPreferences(void);void DoNewWindow(void);int main(void) { InitToolbox(); InitApplication(); RunApplicationEventLoop(); TermApplication(); return 0; }//------------------------------- Initializations ------------------------------void InitToolbox(void) { InitCursor(); }void InitApplication(void) { long response; OSErr err; // Can we run this particular demo application? err = Gestalt(gestaltSystemVersion, &response); Boolean ok = ((err == noErr) && (response >= 0x00001020)); if (!ok) { StandardAlert(kAlertStopAlert, "\pMac OS X 10.2 (minimum) is required for this application", "\p", NULL, NULL); ExitToShell(); } InstallAppleEventHandlers(); InstallApplicationCarbonEventHandlers(); InitMenuBar(); DoNewWindow(); }void InitMenuBar(void) { // Getting our menu bar Handle aHand = GetNewMBar(128); SetMenuBar(aHand); // Enabling Preferences menu item EnableMenuCommand(NULL, kHICommandPreferences); // Adding some menu item commands MenuHandle menu = GetMenuHandle(128); SetMenuItemCommandID(menu, 1, kHICommandNew); SetMenuItemCommandID(menu, 2, kHICommandClose); SetMenuItemCommandID(GetMenuHandle(1), 1, kHICommandAbout); // Adding a standard Window menu CreateStandardWindowMenu(0, &menu); InsertMenu(menu, 0); DrawMenuBar(); DisposeHandle(aHand); }//------------------------------- Apple Events ---------------------------------void InstallAppleEventHandlers(void) { OSErr err; err = AEInstallEventHandler(kCoreEventClass, kAEShowPreferences, NewAEEventHandlerUPP(HandlePref), 0, false); if (err) DebugStr("\pAEInstallEventHandler failed for kAEOpenApplication"); err = AEInstallEventHandler(kCoreEventClass, kAEOpenApplication, NewAEEventHandlerUPP(HandleOapp), 0, false); if (err) DebugStr("\pAEInstallEventHandler failed for kAEOpenApplication"); err = AEInstallEventHandler(kCoreEventClass, kAEOpenDocuments, NewAEEventHandlerUPP(HandleOdoc), 0, false); if (err) DebugStr("\pAEInstallEventHandler failed for kAEOpenDocuments"); err = AEInstallEventHandler(kCoreEventClass, kAEPrintDocuments, NewAEEventHandlerUPP(HandlePdoc), 0, false); if (err) DebugStr("\pAEInstallEventHandler failed for kAEPrintDocuments"); // Note: Since RunApplicationEventLoop installs a Quit AE Handler, we no longer have to do it here. }pascal OSErr HandlePref(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon) { return errAEEventNotHandled; }pascal OSErr HandleOapp(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon) { return noErr; }pascal OSErr HandleOdoc(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon) { return errAEEventNotHandled; }pascal OSErr HandlePdoc(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon) { return errAEEventNotHandled; }//------------------------------- Carbon Events --------------------------------void InstallApplicationCarbonEventHandlers(void) { EventTypeSpec eventType = {kEventClassCommand, kEventCommandProcess}; InstallEventHandler(GetApplicationEventTarget(), NewEventHandlerUPP(CommandProcess), 1, &eventType, NULL, NULL); }pascal OSStatus CommandProcess(EventHandlerCallRef nextHandler, EventRef theEvent, void* userData) { HICommand aCommand; OSStatus status = noErr; GetEventParameter(theEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &aCommand); switch (aCommand.commandID) { case kHICommandAbout: DoAboutBox(); break; case kHICommandPreferences: DoPreferences(); break; case kHICommandNew: DoNewWindow(); break; case kHICommandClose: DoCloseWindow(FrontNonFloatingWindow()); break; default: status = eventNotHandledErr; break; } return status; }//------------------------------- Terminating ----------------------------------void TermApplication(void) { CloseAllWindows(); }void CloseAllWindows() { WindowRef theWind = FrontWindow(); if (theWind) { RecursiveCloseWindow(theWind); } }void RecursiveCloseWindow(WindowRef theWind) { WindowRef nextWind = GetNextWindow(theWind); if (nextWind) RecursiveCloseWindow(nextWind); DoCloseWindow(theWind); }void DoCloseWindow(WindowRef theWind) { EventRef theEvent; CreateEvent(NULL, kEventClassWindow, kEventWindowClose, 0, 0, &theEvent); SetEventParameter(theEvent, kEventParamDirectObject, typeWindowRef, sizeof(WindowRef), &theWind); SendEventToEventTarget(theEvent, GetWindowEventTarget(theWind)); ReleaseEvent(theEvent); }//------------------------------- End of common stuff --------------------------void DoAboutBox(void) { StandardAlert(kAlertNoteAlert, "\pHIDoubleSlider 1.2 by DTS, Apple © 2002-2003", "\p", NULL, NULL); }void DoPreferences(void) { StandardAlert(kAlertNoteAlert, "\pNo Preferences yet!", "\p", NULL, NULL); }pascal OSStatus WindowCommandProcess(EventHandlerCallRef nextHandler, EventRef theEvent, void* userData) { HICommand aCommand; OSStatus status = eventNotHandledErr; GetEventParameter(theEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &aCommand); if ((aCommand.attributes & kHICommandFromControl) != 0) { HICommandExtended * extCom = (HICommandExtended *)&aCommand; ControlRef theControl = extCom->source.control; ControlRef theAssociatedControl = (ControlRef)GetControlReference(theControl); SInt32 curValue; switch (aCommand.commandID) { case 'SLM2': curValue = GetControlLoValue(theAssociatedControl); SetControlLoValue(theAssociatedControl, curValue - 25); status = noErr; break; case 'SLP2': curValue = GetControlLoValue(theAssociatedControl); SetControlLoValue(theAssociatedControl, curValue + 25); status = noErr; break; case 'SHP5': curValue = GetControlHiValue(theAssociatedControl); SetControlHiValue(theAssociatedControl, curValue + 50); status = noErr; break; case 'SHM5': curValue = GetControlHiValue(theAssociatedControl); SetControlHiValue(theAssociatedControl, curValue - 50); status = noErr; break; case 'MES1': { HIRect frame; HIViewGetFrame(theAssociatedControl, &frame); float delta = (frame.origin.x == 30.0)?15:-15; status = HIViewMoveBy(theAssociatedControl, delta, -delta); } break; case 'MES2': { HIRect frame; HIViewGetFrame(theAssociatedControl, &frame); float delta = (frame.origin.x == 330.0)?30:-30; status = HIViewMoveBy(theAssociatedControl, delta, delta); } break; } } return status; }pascal OSStatus HiValueFieldChanged(EventHandlerCallRef nextHandler, EventRef theEvent, void* userData) { OSStatus status = eventNotHandledErr; ControlRef theSlider; GetEventParameter(theEvent, kEventParamDirectObject, typeControlRef, NULL, sizeof(ControlRef), NULL, &theSlider); ControlRef theText; theText = (ControlRef)GetControlReference(theSlider); SInt32 theValue = GetControlHiValue(theSlider); Str255 theString; NumToString(theValue, theString); SetControlData(theText, kControlEntireControl, kControlEditTextTextTag, theString[0], &theString[1]); HIViewSetNeedsDisplay(theText, true); return status; }void DoNewWindow(void) { WindowRef theWind; Rect bounds = {50, 10, 470, 630}; OSStatus theStatus = CreateNewWindow( kDocumentWindowClass, kWindowCloseBoxAttribute | kWindowCollapseBoxAttribute | kWindowStandardHandlerAttribute | kWindowCompositingAttribute, &bounds, &theWind); if ((theStatus != noErr) || (theWind == NULL)) {DebugStr("\pCreateNewWindow failed!"); return;} SetWTitle(theWind, "\pHIDoubleSlider"); EventTypeSpec eventType = {kEventClassCommand, kEventCommandProcess}; InstallEventHandler(GetWindowEventTarget(theWind), NewEventHandlerUPP(WindowCommandProcess), 1, &eventType, NULL, NULL); // some labels ControlRef txtControl; Rect txtRect = {10, 20, 25, 70}; CreateStaticTextControl(theWind, &txtRect, CFSTR("Simple"), NULL, &txtControl); Rect txtRect2 = {10, 110, 25, 180}; CreateStaticTextControl(theWind, &txtRect2, CFSTR("Overrided"), NULL, &txtControl); ControlRef grpControl; Rect grpRect = {10, 330, 330, 570}; CreateGroupBoxControl(theWind, &grpRect, CFSTR("Embedded"), true, &grpControl); // // // creating a simple double slider // // HIViewRef theSimpleSlider; HIRect frame = { {30.0, 30.0}, {26.0, 380.0} }; theStatus = HICreateDoubleSlider(&frame, 0, 300, 50, 250, &theSimpleSlider); // place the view into the Window content view // we need to do this because CreateLabelSubButton needs a valid parent for our view. HIViewRef contentView; HIViewFindByID(HIViewGetRoot(theWind), kHIViewWindowContentID, &contentView); HIViewAddSubview(contentView, theSimpleSlider); // views are initially invisible, so make it visible HIViewSetVisible(theSimpleSlider, true); // // // let's create a more complex slider starting the same way // // HIViewRef theOverridedSlider; frame = CGRectOffset(frame, 100, 0); theStatus = HICreateDoubleSlider(&frame, 0, 300, 50, 250, &theOverridedSlider); HIViewAddSubview(contentView, theOverridedSlider); HIViewSetVisible(theOverridedSlider, true); // and add some new behavior (continuous display of the hi value) EventTypeSpec eventType2 = {kEventClassDoubleSlider, kEventControlHiValueFieldChanged}; InstallEventHandler(GetControlEventTarget(theOverridedSlider), NewEventHandlerUPP(HiValueFieldChanged), 1, &eventType2, NULL, NULL); // and a static text view to display the value ControlRef theStaticText; Rect statBounds = {90, 160, 110, 290}; CreateStaticTextControl(theWind, &statBounds, CFSTR("Move the hi slider!"), NULL, &theStaticText); // and link them together SetControlReference(theOverridedSlider, (SInt32)theStaticText); // let's add 4 buttons to set different lo and hi values SInt32 bottom = bounds.bottom - bounds.top - 20; SInt32 right = bounds.right - bounds.left - 320; Rect buttonRect = {bottom - 20, right - 110, bottom, right}; ControlRef button; CreatePushButtonControl(NULL, &buttonRect, CFSTR("Set Lo to -25"), &button); theStatus = HIViewAddSubview(contentView, button); SetControlCommandID(button, 'SLM2'); SetControlReference(button, (SInt32)theOverridedSlider); HIViewSetVisible(button, true); buttonRect.bottom = buttonRect.top - 12; buttonRect.top = buttonRect.bottom - 20; CreatePushButtonControl(NULL, &buttonRect, CFSTR("Set Hi to +50"), &button); theStatus = HIViewAddSubview(contentView, button); SetControlCommandID(button, 'SHP5'); SetControlReference(button, (SInt32)theOverridedSlider); HIViewSetVisible(button, true); buttonRect.bottom = buttonRect.top - 24; buttonRect.top = buttonRect.bottom - 20; CreatePushButtonControl(NULL, &buttonRect, CFSTR("Set Lo to +25"), &button); theStatus = HIViewAddSubview(contentView, button); SetControlCommandID(button, 'SLP2'); SetControlReference(button, (SInt32)theOverridedSlider); HIViewSetVisible(button, true); buttonRect.bottom = buttonRect.top - 12; buttonRect.top = buttonRect.bottom - 20; CreatePushButtonControl(NULL, &buttonRect, CFSTR("Set Hi to -50"), &button); theStatus = HIViewAddSubview(contentView, button); SetControlCommandID(button, 'SHM5'); SetControlReference(button, (SInt32)theOverridedSlider); HIViewSetVisible(button, true); // // // and let's test embedding // // HIViewRef theEmbeddedSlider; HIRect embFrame = { {30.0, 45.0}, {26.0, 245.0} }; theStatus = HICreateDoubleSlider(&embFrame, 0, 300, 50, 250, &theEmbeddedSlider); // place the view into the group box control HIViewAddSubview(grpControl, theEmbeddedSlider); // views are initially invisible, so make it visible HIViewSetVisible(theEmbeddedSlider, true); buttonRect.bottom = bottom; buttonRect.top = bottom - 20; buttonRect.right = right + 300; buttonRect.left = buttonRect.right - 130; CreatePushButtonControl(NULL, &buttonRect, CFSTR("Move Slider"), &button); theStatus = HIViewAddSubview(contentView, button); SetControlCommandID(button, 'MES1'); SetControlReference(button, (SInt32)theEmbeddedSlider); HIViewSetVisible(button, true); buttonRect.left = 330; buttonRect.right = buttonRect.left + 130; CreatePushButtonControl(NULL, &buttonRect, CFSTR("Move Embedder"), &button); theStatus = HIViewAddSubview(contentView, button); SetControlCommandID(button, 'MES2'); SetControlReference(button, (SInt32)grpControl); HIViewSetVisible(button, true); ShowWindow(theWind); }</pre>
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