Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
source/WindowCode.c
/* |
File: WindowCode.c |
Description:Code for dealing with windows and the memory associated with each window. |
Author: MC |
Copyright: © Copyright 1999-2000 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 AppleÕs |
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. |
Change History (most recent first): |
*/ |
#define TARGET_API_MAC_CARBON 1 |
#include <LowMem.h> |
#include <TextUtils.h> |
#include <TextServices.h> |
#include "WindowCode.h" |
#include "MovieCode.h" |
#include "GraphicImportDrawCode.h" |
extern long gSleepTime; |
extern Boolean gInForeground; |
void DisplayAbout (void) { |
Alert (500, nil); |
} |
OSErr DispatchWindowUpdate (WindowPtr theWindow) { |
OSErr err; |
WindowInfoHandle winInfo; |
err = noErr; |
if (theWindow != nil) { |
winInfo = (WindowInfoHandle)GetWRefCon (theWindow); |
} |
if (winInfo != nil && (**winInfo).sig == kMySig) { |
BeginUpdate (theWindow); |
if ((**winInfo).winType == kGraphPicWinType) { |
err = UpdateGraphWindow (theWindow, nil); |
} else if ((**winInfo).winType == kMovieWinType) { |
err = UpdateMovieWindow (theWindow); |
} |
EndUpdate (theWindow); |
} |
return err; |
} |
void DoActivate (EventRecord *event, Boolean kindOfActivate) { |
WindowPtr theWindow; |
WindowInfoHandle winInfo; |
short activateWindow, |
activateProgram; |
Boolean moviePlaying; |
OSErr err; |
SInt8 hState; |
if (kindOfActivate == true) { |
// It is a Activate/Deactivate event |
activateWindow = (short)(event->modifiers & activeFlag); |
theWindow = (WindowPtr)event->message; |
if (theWindow != nil) { |
winInfo = (WindowInfoHandle)GetWRefCon (theWindow); |
} |
if (winInfo != nil && (**winInfo).sig == kMySig) { |
hState = HGetState ((Handle)winInfo); |
HLock ((Handle)winInfo); |
if (activateWindow) { |
// Make this window the active window |
if ((**winInfo).winType == kMovieWinType) { |
if ((**winInfo).winMovieController == nil) { |
// Movie has been disposed, get it back |
err = DrawMovie (&((**winInfo).winSpec), theWindow, (**winInfo).winMovieTime); |
} |
MCActivate ((**winInfo).winMovieController, theWindow, true); |
} |
} else { |
// Make this window no longer the active window |
// To save memory we close the component when the window goes into the background. |
if ((**winInfo).winMovieController != nil) { |
MCActivate ((**winInfo).winMovieController, theWindow, false); |
DisposeMovieController ((**winInfo).winMovieController); |
(**winInfo).winMovieController = nil; |
} |
if ((**winInfo).winMovie != nil) { |
DisposeMovie ((**winInfo).winMovie); |
(**winInfo).winMovie = nil; |
} |
if ((**winInfo).winGraphicImporter != nil) { |
CloseComponent ((**winInfo).winGraphicImporter); |
(**winInfo).winGraphicImporter = nil; |
} |
} |
HSetState ((Handle)winInfo, hState); |
} |
} else { |
// It is a Suspend/Resume event |
activateProgram = (short)(event->message & suspendResumeMessage); |
// Turn off any menu hilite to correct a bug with AMO |
HiliteMenu (0); |
theWindow = FrontWindow (); |
if (activateProgram) { |
gInForeground = true; |
gSleepTime = kForegroundIdleSleepTime; |
while (theWindow != nil) { |
winInfo = (WindowInfoHandle)GetWRefCon (theWindow); |
if (winInfo != nil && (**winInfo).sig == kMySig) { |
hState = HGetState ((Handle)winInfo); |
HLock ((Handle)winInfo); |
if ((**winInfo).winMovieController != nil) { |
if (theWindow == FrontWindow ()) { |
MCActivate ((**winInfo).winMovieController, theWindow, true); |
} |
} |
HSetState ((Handle)winInfo, hState); |
} |
theWindow = GetNextWindow (theWindow); |
} |
} else { |
gInForeground = false; |
while (theWindow != nil) { |
winInfo = (WindowInfoHandle)GetWRefCon (theWindow); |
if (winInfo != nil && (**winInfo).sig == kMySig) { |
hState = HGetState ((Handle)winInfo); |
HLock ((Handle)winInfo); |
if ((**winInfo).winMovieController != nil) { |
if (GetMovieRate ((**winInfo).winMovie)) { |
moviePlaying = true; |
} |
MCActivate ((**winInfo).winMovieController, theWindow, false); |
} |
HSetState ((Handle)winInfo, hState); |
} |
theWindow = GetNextWindow (theWindow); |
} |
if (!moviePlaying) { |
gSleepTime = kBackgroundIdleSleepTime; |
} else { |
gSleepTime = kBackgroundBusySleepTime; // Keep the movies playing well |
} |
} |
} |
return; |
} |
void ReleaseMemory (WindowInfoHandle winInfo, Boolean fullDispose) { |
SInt8 hState; |
if (winInfo != nil && (**winInfo).sig == kMySig && ((**winInfo).winType == kGraphPicWinType || (**winInfo).winType == kMovieWinType)) { |
hState = HGetState ((Handle)winInfo); |
HLock ((Handle)winInfo); |
if ((**winInfo).winGraphicImporter != nil) { |
(void)CloseComponent ((**winInfo).winGraphicImporter); |
(**winInfo).winGraphicImporter = nil; |
} |
if ((**winInfo).winMovieController != nil) { |
DisposeMovieController ((**winInfo).winMovieController); |
(**winInfo).winMovieController = nil; |
} |
if ((**winInfo).winMovie != nil) { |
DisposeMovie ((**winInfo).winMovie); |
(**winInfo).winMovie = nil; |
} |
if ((**winInfo).winGWorld != nil) { |
DisposeGWorld ((**winInfo).winGWorld); |
(**winInfo).winGWorld = nil; |
} |
if ((**winInfo).winDataHandle != nil) { |
DisposeHandle ((**winInfo).winDataHandle); |
(**winInfo).winDataHandle = nil; |
} |
if ((**winInfo).flatPageFormatHandle != nil) { |
DisposeHandle ((**winInfo).flatPageFormatHandle); |
(**winInfo).flatPageFormatHandle = nil; |
} |
if ((**winInfo).flatPrintSettingsHandle != nil) { |
DisposeHandle ((**winInfo).flatPrintSettingsHandle); |
(**winInfo).flatPrintSettingsHandle = nil; |
} |
if (fullDispose == true) { |
DisposeHandle ((Handle)winInfo); |
winInfo = nil; |
} |
HSetState ((Handle)winInfo, hState); |
} |
} |
void CloseThisWindow (WindowPtr theWindow) { |
RgnHandle grayRgn; |
WindowInfoHandle winInfo; |
Boolean hasPalette, |
redrawMenuBar; |
if (theWindow != nil) { |
winInfo = (WindowInfoHandle)GetWRefCon (theWindow); |
if (winInfo != nil && (**winInfo).sig == kMySig) { |
hasPalette = false; |
} |
ReleaseMemory (winInfo, true); |
SetPalette (theWindow, nil, false); |
DisposeWindow (theWindow); |
} |
if (FrontWindow () == nil) { |
MenuHandle theFileMenu; |
ShowCursor (); |
theFileMenu = GetMenuHandle (mFile); |
if (theFileMenu != nil) { |
DisableMenuItem (theFileMenu, iClose); |
DisableMenuItem (theFileMenu, iPageSetup); |
DisableMenuItem (theFileMenu, iPrint); |
} |
if (hasPalette == true) { |
// Cause all background windows to redraw with the default palette |
grayRgn = GetGrayRgn (); |
PaintBehind (nil, grayRgn); |
redrawMenuBar = true; |
} |
} |
if (redrawMenuBar == true) { |
// Redraw the menu bar |
DrawMenuBar (); |
} |
} |
OSErr MakeNewWindow (Str255 name, Boolean visible, WindowPtr behindWindow, WindowPtr *theWindow) { |
OSErr err; |
WindowInfoHandle winInfo; |
WindowPtr newWindow; |
Str255 title; |
GetIndString (title, 130, 1); |
if (name != nil) { |
BlockMoveData (name, title, name[0]+1); |
} |
winInfo = (WindowInfoHandle)NewHandleClear (sizeof (WindowInfoRec)); |
if (winInfo != nil) { |
Rect boundsRect = {0, 7, 250, 210}; |
(**winInfo).sig = kMySig; |
(**winInfo).winType = kGraphPicWinType; |
(**winInfo).winScale = 0.0; |
boundsRect.top = (short)(GetMBarHeight () + 22); |
newWindow = NewCWindow (nil, &boundsRect, title, visible, documentProc, behindWindow, true, (long)winInfo); |
} |
if (newWindow != nil) { |
MenuHandle theFileMenu; |
theFileMenu = GetMenuHandle (mFile); |
if (theFileMenu != nil) { |
EnableMenuItem (theFileMenu, iClose); |
EnableMenuItem (theFileMenu, iPageSetup); |
EnableMenuItem (theFileMenu, iPrint); |
} |
*theWindow = newWindow; |
err = noErr; |
} else { |
err = memFullErr; |
} |
return err; |
} |
static OSErr DeleteFile (FSSpec * file) { |
return FSpDelete (file); |
} |
OSErr MoveFrontWindowFileToTrash (void) { |
OSErr err; |
WindowPtr theWindow; |
WindowInfoHandle winInfo; |
FSSpec fileToDelete; |
theWindow = FrontWindow (); |
if (theWindow != nil) { |
winInfo = (WindowInfoHandle)GetWRefCon (theWindow); |
} |
if (winInfo != nil && (**winInfo).sig == kMySig) { |
BlockMoveData (&(**winInfo).winSpec, &fileToDelete, sizeof (FSSpec)); |
CloseThisWindow (theWindow); |
err = DeleteFile (&fileToDelete); |
} else { |
err = paramErr; |
} |
return err; |
} |
Copyright © 2003 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2003-01-14