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apple2ix/Apple2Mac/Classes/OSX/EmulatorDiskController.m
Aaron Culliney 227098ec52 Refactor video/display rendering 
- Import NTSC video display modes
    - Migrate to using full-color framebuffers
    - Mac and Android builds somewhat working
    - TODO : likely breaks display testing
2018-11-04 14:07:30 -08:00

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/*
* Apple // emulator for *ix
*
* This software package is subject to the GNU General Public License
* version 3 or later (your choice) as published by the Free Software
* Foundation.
*
* Copyright 2014, 2015 Aaron Culliney
*
*/
#import "EmulatorDiskController.h"
#import "EmulatorPrefsController.h"
#import "common.h"
#define READONLY_CHOICE_INDEX 0
#define NO_DISK_INSERTED @"(No Disk Inserted)"
#define DSK_PROPERTIES @".dsk 143360 bytes"
#define NIB_PROPERTIES @".nib 232960 bytes"
#define kApple2DisksURL @"kApple2DisksURL"
@interface EmulatorDiskController ()
@property (assign) IBOutlet NSWindow *disksWindow;
@property (assign) IBOutlet NSTextField *diskInA;
@property (assign) IBOutlet NSTextField *diskInB;
@property (assign) IBOutlet NSTextField *diskAProperties;
@property (assign) IBOutlet NSTextField *diskBProperties;
@property (assign) IBOutlet NSMatrix *diskAProtection;
@property (assign) IBOutlet NSMatrix *diskBProtection;
@property (assign) IBOutlet NSButton *chooseDiskA;
@property (assign) IBOutlet NSButton *chooseDiskB;
@property (assign) IBOutlet NSButton *startupLoadDiskA;
@property (assign) IBOutlet NSButton *startupLoadDiskB;
@property (assign) IBOutlet NSButton *okButton;
- (void)loadPrefsForDomain:(const char *)domain;
@end
static EmulatorDiskController *diskInstance = nil;
static void prefsChangeCallback(const char *domain)
{
(void)domain;
assert(diskInstance);
[diskInstance loadPrefsForDomain:domain];
}
@implementation EmulatorDiskController
- (void)awakeFromNib
{
#if CRASH_APP_ON_LOAD_BECAUSE_YAY_GJ_APPLE
glGetError();
#endif
assert(!diskInstance);
diskInstance = self;
prefs_registerListener(PREF_DOMAIN_VM, prefsChangeCallback);
[self.diskInA setStringValue:NO_DISK_INSERTED];
[self.diskAProperties setStringValue:@""];
[self.diskInB setStringValue:NO_DISK_INSERTED];
[self.diskBProperties setStringValue:@""];
[self.chooseDiskA setKeyEquivalent:@"\r"];
[self.chooseDiskA setBezelStyle:NSRoundedBezelStyle];
[self.startupLoadDiskA setState:NSOffState];
[self.startupLoadDiskB setState:NSOffState];
}
- (void)loadPrefsForDomain:(const char *)domain
{
assert(strcmp(domain, PREF_DOMAIN_VM) == 0);
(void)domain;
{
NSString *startupDiskA = nil;
char *pathA = NULL;
startupDiskA = prefs_copyStringValue(PREF_DOMAIN_VM, PREF_DISK_PATH_A, &pathA) ? [NSString stringWithUTF8String:pathA] : nil;
FREE(pathA);
bool bVal = false;
BOOL readOnlyA = prefs_parseBoolValue(PREF_DOMAIN_VM, PREF_DISK_PATH_A_RO, &bVal) ? bVal : true;
if (startupDiskA)
{
const char *path = [startupDiskA UTF8String];
int fdA = -1;
TEMP_FAILURE_RETRY(fdA = open(path, readOnlyA ? O_RDONLY : O_RDWR));
const char *err = disk6_insert(fdA, 0, path, readOnlyA);
if (fdA >= 0) {
TEMP_FAILURE_RETRY(close(fdA));
}
if (!err)
{
[self.diskInA setStringValue:[[startupDiskA pathComponents] lastObject]];
[self.startupLoadDiskA setState:NSOnState];
[self.diskAProtection setState:(readOnlyA ? NSOnState : NSOffState) atRow:0 column:0];
[self.diskAProtection setState:(!readOnlyA ? NSOnState : NSOffState) atRow:0 column:1];
}
}
}
{
NSString *startupDiskB = nil;
char *pathB = NULL;
startupDiskB = prefs_copyStringValue(PREF_DOMAIN_VM, PREF_DISK_PATH_B, &pathB) ? [NSString stringWithUTF8String:pathB] : nil;
FREE(pathB);
bool bVal = false;
BOOL readOnlyB = prefs_parseBoolValue(PREF_DOMAIN_VM, PREF_DISK_PATH_B_RO, &bVal) ? bVal : true;
if (startupDiskB)
{
const char *path = [startupDiskB UTF8String];
int fdB = -1;
TEMP_FAILURE_RETRY(fdB = open(path, readOnlyB ? O_RDONLY : O_RDWR));
const char *err = disk6_insert(fdB, 1, path, readOnlyB);
if (fdB >= 0) {
TEMP_FAILURE_RETRY(close(fdB));
}
if (!err)
{
[self.diskInB setStringValue:[[startupDiskB pathComponents] lastObject]];
[self.startupLoadDiskB setState:NSOnState];
[self.diskBProtection setState:(readOnlyB ? NSOnState : NSOffState) atRow:0 column:0];
[self.diskBProtection setState:(!readOnlyB ? NSOnState : NSOffState) atRow:0 column:1];
}
}
}
}
- (void)_savePrefs
{
if (([self.startupLoadDiskA state] == NSOnState) && (disk6.disk[0].fd >= 0))
{
prefs_setStringValue(PREF_DOMAIN_VM, PREF_DISK_PATH_A, disk6.disk[0].file_name);
NSButtonCell *readOnlyChoice = (NSButtonCell *)[[[self diskAProtection] cells] firstObject];
prefs_setBoolValue(PREF_DOMAIN_VM, PREF_DISK_PATH_A_RO, ([readOnlyChoice state] == NSOnState));
}
else
{
prefs_setStringValue(PREF_DOMAIN_VM, PREF_DISK_PATH_A, "");
prefs_setBoolValue(PREF_DOMAIN_VM, PREF_DISK_PATH_A_RO, true);
}
if (([self.startupLoadDiskB state] == NSOnState) && (disk6.disk[1].fd >= 0))
{
prefs_setStringValue(PREF_DOMAIN_VM, PREF_DISK_PATH_B, disk6.disk[1].file_name);
NSButtonCell *readOnlyChoice = (NSButtonCell *)[[[self diskBProtection] cells] firstObject];
prefs_setBoolValue(PREF_DOMAIN_VM, PREF_DISK_PATH_B_RO, ([readOnlyChoice state] == NSOnState) );
}
else
{
prefs_setStringValue(PREF_DOMAIN_VM, PREF_DISK_PATH_B, "");
prefs_setBoolValue(PREF_DOMAIN_VM, PREF_DISK_PATH_B_RO, true);
}
prefs_sync(PREF_DOMAIN_VM);
prefs_save();
}
- (void)_protectionChangedForDrive:(int)drive
{
if (disk6.disk[drive].fd < 0)
{
return;
}
// HACK NOTE : dispatch so that state of outlet property is set properly
dispatch_async(dispatch_get_main_queue(), ^{
NSButtonCell *readOnlyChoice = (NSButtonCell *)[[(drive == 0 ? [self diskAProtection] : [self diskBProtection]) cells] firstObject];
NSString *path = [NSString stringWithUTF8String:disk6.disk[drive].file_name];
[self _insertDisketteInDrive:drive path:path type:[EmulatorDiskController extensionForPath:path] readOnly:([readOnlyChoice state] == NSOnState)];
[self _savePrefs];
});
}
- (IBAction)diskAProtectionChanged:(id)sender
{
[self _protectionChangedForDrive:0];
}
- (IBAction)diskBProtectionChanged:(id)sender
{
[self _protectionChangedForDrive:1];
}
- (BOOL)_insertDisketteInDrive:(int)drive path:(NSString *)path type:(NSString *)type readOnly:(BOOL)readOnly
{
disk6_eject(drive);
int fd = -1;
TEMP_FAILURE_RETRY(fd = open([path UTF8String], readOnly ? O_RDONLY : O_RDWR));
const char *errMsg = disk6_insert(fd, drive, [path UTF8String], readOnly);
if (fd >= 0) {
TEMP_FAILURE_RETRY(close(fd));
}
if (errMsg)
{
NSAlert *alert = [NSAlert alertWithError:[NSError errorWithDomain:[NSString stringWithUTF8String:errMsg] code:-1 userInfo:nil]];
[alert beginSheetModalForWindow:[self disksWindow] completionHandler:nil];
if (!drive)
{
[[self diskInA] setStringValue:NO_DISK_INSERTED];
[[self diskAProperties] setStringValue:@""];
}
else
{
[[self diskInB] setStringValue:NO_DISK_INSERTED];
[[self diskBProperties] setStringValue:@""];
}
return NO;
}
path = [NSString stringWithUTF8String:disk6.disk[drive].file_name];
NSString *imageName = [[path pathComponents] lastObject];
if (drive == 0)
{
[[self diskInA] setStringValue:imageName];
bool isStartupDiskA = false;
{
char *pathA = NULL;
if (prefs_copyStringValue(PREF_DOMAIN_VM, PREF_DISK_PATH_A, &pathA)) {
isStartupDiskA = (strcmp(pathA, disk6.disk[drive].file_name) == 0);
}
FREE(pathA);
}
if (isStartupDiskA)
{
[self.startupLoadDiskA setState:NSOnState];
//[self.diskAProtection setState:(readOnly ? NSOnState : NSOffState) atRow:0 column:0];
//[self.diskAProtection setState:(!readOnly ? NSOnState : NSOffState) atRow:0 column:1];
}
}
else
{
[[self diskInB] setStringValue:imageName];
bool isStartupDiskB = false;
{
char *pathB = NULL;
if (prefs_copyStringValue(PREF_DOMAIN_VM, PREF_DISK_PATH_B, &pathB)) {
isStartupDiskB = (strcmp(pathB, disk6.disk[drive].file_name) == 0);
}
FREE(pathB);
}
if (isStartupDiskB)
{
[self.startupLoadDiskB setState:NSOnState];
//[self.diskBProtection setState:(readOnly ? NSOnState : NSOffState) atRow:0 column:0];
//[self.diskBProtection setState:(!readOnly ? NSOnState : NSOffState) atRow:0 column:1];
}
}
if ([type isEqualToString:@"dsk"] || [type isEqualToString:@"do"] || [type isEqualToString:@"po"])
{
if (!drive)
{
[[self diskAProperties] setStringValue:DSK_PROPERTIES];
}
else
{
[[self diskBProperties] setStringValue:DSK_PROPERTIES];
}
}
else
{
if (!drive)
{
[[self diskAProperties] setStringValue:NIB_PROPERTIES];
}
else
{
[[self diskBProperties] setStringValue:NIB_PROPERTIES];
}
}
return YES;
}
+ (NSSet *)emulatorFileTypes
{
static NSSet *set = nil;
static dispatch_once_t onceToken = 0L;
dispatch_once(&onceToken, ^{
set = [[NSSet alloc] initWithObjects:@"dsk", @"nib", @"do", @"po", @"gz", nil];
});
return [[set retain] autorelease];
}
+ (NSString *)extensionForPath:(NSString *)path
{
NSString *extension0 = [path pathExtension];
NSString *extension1 = [[path stringByDeletingPathExtension] pathExtension];
if ([extension0 isEqualToString:@"gz"])
{
extension0 = extension1;
}
return extension0;
}
+ (void)chooseDiskForWindow:(NSWindow *)window completionHandler:(DiskCompletionHandler)handler
{
NSOpenPanel *openPanel = [[NSOpenPanel openPanel] retain];
[openPanel setTitle:@"Choose a disk image"];
NSURL *url = [[NSUserDefaults standardUserDefaults] URLForKey:kApple2DisksURL];
if (!url)
{
url = [[NSBundle mainBundle] URLForResource:@"images" withExtension:nil];
}
[openPanel setDirectoryURL:url];
[openPanel setShowsResizeIndicator:YES];
[openPanel setShowsHiddenFiles:NO];
[openPanel setCanChooseFiles:YES];
[openPanel setCanChooseDirectories:NO];
[openPanel setCanCreateDirectories:NO];
[openPanel setAllowsMultipleSelection:NO];
// NOTE : Doesn't appear to be a way to specify ".dsk.gz" ... so we may inadvertently allow files of ".foo.gz" here
NSSet *fileTypes = [EmulatorDiskController emulatorFileTypes];
[openPanel setAllowedFileTypes:[fileTypes allObjects]];
handler = Block_copy(handler);
[openPanel beginSheetModalForWindow:window completionHandler:^(NSInteger result) {
handler(openPanel, result);
Block_release(handler);
[openPanel autorelease];
}];
}
- (void)_chooseDisk:(int)drive readOnly:(BOOL)readOnly
{
[EmulatorDiskController chooseDiskForWindow:[self disksWindow] completionHandler:^(NSOpenPanel *openPanel, NSInteger result) {
if (result == NSOKButton)
{
NSURL *selection = [[openPanel URLs] firstObject];
NSString *path = [[selection path] stringByResolvingSymlinksInPath];
NSString *extension = [EmulatorDiskController extensionForPath:path];
NSSet *fileTypes = [EmulatorDiskController emulatorFileTypes];
NSString *directory = [path stringByDeletingLastPathComponent];
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults setURL:[NSURL URLWithString:directory] forKey:kApple2DisksURL];
if (![fileTypes containsObject:extension])
{
NSAlert *alert = [NSAlert alertWithError:[NSError errorWithDomain:@"Disk image must have file extension of .dsk, .do, .po, or .nib only" code:-1 userInfo:nil]];
[alert beginSheetModalForWindow:[self disksWindow] completionHandler:nil];
return;
}
[self.chooseDiskA setKeyEquivalent:@""];
[self.okButton setKeyEquivalent:@"\r"];
[(drive == 0) ? self.startupLoadDiskA : self.startupLoadDiskB setState:NSOffState];
[self _insertDisketteInDrive:drive path:path type:extension readOnly:readOnly];
}
}];
}
- (IBAction)chooseDriveA:(id)sender
{
NSButtonCell *readOnlyChoice = (NSButtonCell *)[[[self diskAProtection] cells] firstObject];
[self _chooseDisk:0 readOnly:([readOnlyChoice state] == NSOnState)];
}
- (IBAction)chooseDriveB:(id)sender
{
NSButtonCell *readOnlyChoice = (NSButtonCell *)[[[self diskBProtection] cells] firstObject];
[self _chooseDisk:1 readOnly:([readOnlyChoice state] == NSOnState)];
}
- (IBAction)startupDiskAChoiceChanged:(id)sender
{
[self _savePrefs];
}
- (IBAction)startupDiskBChoiceChanged:(id)sender
{
[self _savePrefs];
}
- (IBAction)disksOK:(id)sender
{
[self.chooseDiskA setKeyEquivalent:@"\r"];
[self.okButton setKeyEquivalent:@""];
[[self disksWindow] close];
}
@end
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