-{
- NSString *html;
- UIFont *font;
- UIWebView *webView;
-}
-
-@property(nonatomic, retain) NSString *html;
-@property(nonatomic, retain) UIWebView *webView;
-
-- (id) initWithHTML:(NSString *)h font:(UIFont *)f;
-- (id) initWithText:(NSString *)t font:(UIFont *)f;
-- (void) setHTML:(NSString *)h;
-- (void) setText:(NSString *)t;
-- (void) sizeToFit;
-
-@end
-
-@implementation HTMLLabel
-
-@synthesize html;
-@synthesize webView;
-
-- (id) initWithHTML:(NSString *)h font:(UIFont *)f
-{
- self = [super init];
- if (! self) return 0;
- font = [f retain];
- webView = [[UIWebView alloc] init];
- webView.delegate = self;
- webView.dataDetectorTypes = UIDataDetectorTypeNone;
- self. autoresizingMask = UIViewAutoresizingNone; // we do it manually
- webView.autoresizingMask = UIViewAutoresizingNone;
- webView.scrollView.scrollEnabled = NO;
- webView.scrollView.bounces = NO;
- webView.opaque = NO;
- [webView setBackgroundColor:[UIColor clearColor]];
-
- [self addSubview: webView];
- [self setHTML: h];
- return self;
-}
-
-- (id) initWithText:(NSString *)t font:(UIFont *)f
-{
- self = [self initWithHTML:@"" font:f];
- if (! self) return 0;
- [self setText: t];
- return self;
-}
-
-
-- (void) setHTML: (NSString *)h
-{
- if (! h) return;
- [h retain];
- if (html) [html release];
- html = h;
- NSString *h2 =
- [NSString stringWithFormat:
- @""
- ""
- ""
-// ""
- ""
- ""
- ""
- "%@"
- ""
- "",
- [font fontName],
- [font pointSize],
- [font lineHeight],
- h];
- [webView stopLoading];
- [webView loadHTMLString:h2 baseURL:[NSURL URLWithString:@""]];
-}
-
-
-static char *anchorize (const char *url);
-
-- (void) setText: (NSString *)t
-{
- t = [t stringByTrimmingCharactersInSet:[NSCharacterSet
- whitespaceCharacterSet]];
- t = [t stringByReplacingOccurrencesOfString:@"&" withString:@"&"];
- t = [t stringByReplacingOccurrencesOfString:@"<" withString:@"<"];
- t = [t stringByReplacingOccurrencesOfString:@">" withString:@">"];
- t = [t stringByReplacingOccurrencesOfString:@"\n\n" withString:@" "];
- t = [t stringByReplacingOccurrencesOfString:@"
"
- withString:@"
"];
- t = [t stringByReplacingOccurrencesOfString:@"\n "
- withString:@"
"];
-
- NSString *h = @"";
- for (NSString *s in
- [t componentsSeparatedByCharactersInSet:
- [NSCharacterSet whitespaceAndNewlineCharacterSet]]) {
- if ([s hasPrefix:@"http://"] ||
- [s hasPrefix:@"https://"]) {
- char *anchor = anchorize ([s cStringUsingEncoding:NSUTF8StringEncoding]);
- NSString *a2 = [NSString stringWithCString: anchor
- encoding: NSUTF8StringEncoding];
- s = [NSString stringWithFormat: @"%@
", s, a2];
- free (anchor);
- }
- h = [NSString stringWithFormat: @"%@ %@", h, s];
- }
-
- h = [h stringByReplacingOccurrencesOfString:@"
" withString:@"
"];
- h = [h stringByReplacingOccurrencesOfString:@"
" withString:@"
"];
- h = [h stringByTrimmingCharactersInSet:[NSCharacterSet
- whitespaceAndNewlineCharacterSet]];
-
- [self setHTML: h];
-}
-
-
--(BOOL) webView:(UIWebView *)wv
- shouldStartLoadWithRequest:(NSURLRequest *)req
- navigationType:(UIWebViewNavigationType)type
-{
- // Force clicked links to open in Safari, not in this window.
- if (type == UIWebViewNavigationTypeLinkClicked) {
- [[UIApplication sharedApplication] openURL:[req URL]];
- return NO;
- }
- return YES;
-}
-
-
-- (void) setFrame: (CGRect)r
-{
- [super setFrame: r];
- r.origin.x = 0;
- r.origin.y = 0;
- [webView setFrame: r];
-}
-
-
-- (NSString *) stripTags:(NSString *)str
-{
- NSString *result = @"";
-
- // Add newlines.
- str = [str stringByReplacingOccurrencesOfString:@"
"
- withString:@"
"
- options:NSCaseInsensitiveSearch
- range:NSMakeRange(0, [str length])];
- str = [str stringByReplacingOccurrencesOfString:@"
"
- withString:@"\n"
- options:NSCaseInsensitiveSearch
- range:NSMakeRange(0, [str length])];
-
- // Remove HREFs.
- for (NSString *s in [str componentsSeparatedByString: @"<"]) {
- NSRange r = [s rangeOfString:@">"];
- if (r.length > 0)
- s = [s substringFromIndex: r.location + r.length];
- result = [result stringByAppendingString: s];
- }
-
- // Compress internal horizontal whitespace.
- str = result;
- result = @"";
- for (NSString *s in [str componentsSeparatedByCharactersInSet:
- [NSCharacterSet whitespaceCharacterSet]]) {
- if ([result length] == 0)
- result = s;
- else if ([s length] > 0)
- result = [NSString stringWithFormat: @"%@ %@", result, s];
- }
-
- return result;
-}
-
-
-- (void) sizeToFit
-{
- CGRect r = [self frame];
-
- /* It would be sensible to just ask the UIWebView how tall the page is,
- instead of hoping that NSString and UIWebView measure fonts and do
- wrapping in exactly the same way, but since UIWebView is asynchronous,
- we'd have to wait for the document to load first, e.g.:
-
- - Start the document loading;
- - return a default height to use for the UITableViewCell;
- - wait for the webViewDidFinishLoad delegate method to fire;
- - then force the UITableView to reload, to pick up the new height.
-
- But I couldn't make that work.
- */
-# if 0
- r.size.height = [[webView
- stringByEvaluatingJavaScriptFromString:
- @"document.body.offsetHeight"]
- doubleValue];
-# else
- NSString *text = [self stripTags: html];
- CGSize s = r.size;
- s.height = 999999;
- s = [text boundingRectWithSize:s
- options:NSStringDrawingUsesLineFragmentOrigin
- attributes:@{NSFontAttributeName: font}
- context:nil].size;
- r.size.height = s.height;
-# endif
-
- [self setFrame: r];
-}
-
-
-- (void) dealloc
-{
- [html release];
- [font release];
- [webView release];
- [super dealloc];
-}
-
-@end
-
-#endif // USE_IPHONE && USE_HTML_LABELS
-
-
-@interface XScreenSaverConfigSheet (Private)
-
-- (void)traverseChildren:(NSXMLNode *)node on:(NSView *)parent;
-
-# ifndef USE_IPHONE
-- (void) placeChild: (NSView *)c on:(NSView *)p right:(BOOL)r;
-- (void) placeChild: (NSView *)c on:(NSView *)p;
-static NSView *last_child (NSView *parent);
-static void layout_group (NSView *group, BOOL horiz_p);
-# else // USE_IPHONE
-- (void) placeChild: (NSObject *)c on:(NSView *)p right:(BOOL)r;
-- (void) placeChild: (NSObject *)c on:(NSView *)p;
-- (void) placeSeparator;
-- (void) bindResource:(NSObject *)ctl key:(NSString *)k reload:(BOOL)r;
-- (void) refreshTableView;
-# endif // USE_IPHONE
-
-@end
-
-
-@implementation XScreenSaverConfigSheet
-
-# define LEFT_MARGIN 20 // left edge of window
-# define COLUMN_SPACING 10 // gap between e.g. labels and text fields
-# define LEFT_LABEL_WIDTH 70 // width of all left labels
-# define LINE_SPACING 10 // leading between each line
-
-# define FONT_SIZE 17 // Magic hardcoded UITableView font size.
-
-#pragma mark Talking to the resource database
-
-
-/* Normally we read resources by looking up "KEY" in the database
- "org.jwz.xscreensaver.SAVERNAME". But in the all-in-one iPhone
- app, everything is stored in the database "org.jwz.xscreensaver"
- instead, so transform keys to "SAVERNAME.KEY".
-
- NOTE: This is duplicated in PrefsReader.m, cause I suck.
- */
-- (NSString *) makeKey:(NSString *)key
-{
-# ifdef USE_IPHONE
- NSString *prefix = [saver_name stringByAppendingString:@"."];
- if (! [key hasPrefix:prefix]) // Don't double up!
- key = [prefix stringByAppendingString:key];
-# endif
- return key;
-}
-
-
-- (NSString *) makeCKey:(const char *)key
-{
- return [self makeKey:[NSString stringWithCString:key
- encoding:NSUTF8StringEncoding]];
-}
-
-
-/* Given a command-line option, returns the corresponding resource name.
- Any arguments in the switch string are ignored (e.g., "-foo x").
- */
-- (NSString *) switchToResource:(NSString *)cmdline_switch
- opts:(const XrmOptionDescRec *)opts_array
- valRet:(NSString **)val_ret
-{
- char buf[1280];
- char *tail = 0;
- NSAssert(cmdline_switch, @"cmdline switch is null");
- if (! [cmdline_switch getCString:buf maxLength:sizeof(buf)
- encoding:NSUTF8StringEncoding]) {
- NSAssert1(0, @"unable to convert %@", cmdline_switch);
- return 0;
- }
- char *s = strpbrk(buf, " \t\r\n");
- if (s && *s) {
- *s = 0;
- tail = s+1;
- while (*tail && (*tail == ' ' || *tail == '\t'))
- tail++;
- }
-
- while (opts_array[0].option) {
- if (!strcmp (opts_array[0].option, buf)) {
- const char *ret = 0;
-
- if (opts_array[0].argKind == XrmoptionNoArg) {
- if (tail && *tail)
- NSAssert1 (0, @"expected no args to switch: \"%@\"",
- cmdline_switch);
- ret = opts_array[0].value;
- } else {
- if (!tail || !*tail)
- NSAssert1 (0, @"expected args to switch: \"%@\"",
- cmdline_switch);
- ret = tail;
- }
-
- if (val_ret)
- *val_ret = (ret
- ? [NSString stringWithCString:ret
- encoding:NSUTF8StringEncoding]
- : 0);
-
- const char *res = opts_array[0].specifier;
- while (*res && (*res == '.' || *res == '*'))
- res++;
- return [self makeCKey:res];
- }
- opts_array++;
- }
-
- NSAssert1 (0, @"\"%@\" not present in options", cmdline_switch);
- return 0;
-}
-
-
-- (NSUserDefaultsController *)controllerForKey:(NSString *)key
-{
- static NSDictionary *a = 0;
- if (! a) {
- a = UPDATER_DEFAULTS;
- [a retain];
- }
- if ([a objectForKey:key])
- // These preferences are global to all xscreensavers.
- return globalDefaultsController;
- else
- // All other preferences are per-saver.
- return userDefaultsController;
-}
-
-
-#ifdef USE_IPHONE
-
-// Called when a slider is bonked.
-//
-- (void)sliderAction:(UISlider*)sender
-{
- if ([active_text_field canResignFirstResponder])
- [active_text_field resignFirstResponder];
- NSString *pref_key = [pref_keys objectAtIndex: [sender tag]];
-
- // Hacky API. See comment in InvertedSlider.m.
- double v = ([sender isKindOfClass: [InvertedSlider class]]
- ? [(InvertedSlider *) sender transformedValue]
- : [sender value]);
-
- [[self controllerForKey:pref_key]
- setObject:((v == (int) v)
- ? [NSNumber numberWithInt:(int) v]
- : [NSNumber numberWithDouble: v])
- forKey:pref_key];
-}
-
-// Called when a checkbox/switch is bonked.
-//
-- (void)switchAction:(UISwitch*)sender
-{
- if ([active_text_field canResignFirstResponder])
- [active_text_field resignFirstResponder];
- NSString *pref_key = [pref_keys objectAtIndex: [sender tag]];
- NSString *v = ([sender isOn] ? @"true" : @"false");
- [[self controllerForKey:pref_key] setObject:v forKey:pref_key];
-}
-
-# ifdef USE_PICKER_VIEW
-// Called when a picker is bonked.
-//
-- (void)pickerView:(UIPickerView *)pv
- didSelectRow:(NSInteger)row
- inComponent:(NSInteger)column
-{
- if ([active_text_field canResignFirstResponder])
- [active_text_field resignFirstResponder];
-
- NSAssert (column == 0, @"internal error");
- NSArray *a = [picker_values objectAtIndex: [pv tag]];
- if (! a) return; // Too early?
- a = [a objectAtIndex:row];
- NSAssert (a, @"missing row");
-
-//NSString *label = [a objectAtIndex:0];
- NSString *pref_key = [a objectAtIndex:1];
- NSObject *pref_val = [a objectAtIndex:2];
- [[self controllerForKey:pref_key] setObject:pref_val forKey:pref_key];
-}
-# else // !USE_PICKER_VIEW
-
-// Called when a RadioButton is bonked.
-//
-- (void)radioAction:(RadioButton*)sender
-{
- if ([active_text_field canResignFirstResponder])
- [active_text_field resignFirstResponder];
-
- NSArray *item = [[sender items] objectAtIndex: [sender index]];
- NSString *pref_key = [item objectAtIndex:1];
- NSObject *pref_val = [item objectAtIndex:2];
- [[self controllerForKey:pref_key] setObject:pref_val forKey:pref_key];
-}
-
-- (BOOL)textFieldShouldBeginEditing:(UITextField *)tf
-{
- active_text_field = tf;
- return YES;
-}
-
-- (void)textFieldDidEndEditing:(UITextField *)tf
-{
- NSString *pref_key = [pref_keys objectAtIndex: [tf tag]];
- NSString *txt = [tf text];
- [[self controllerForKey:pref_key] setObject:txt forKey:pref_key];
-}
-
-- (BOOL)textFieldShouldReturn:(UITextField *)tf
-{
- active_text_field = nil;
- [tf resignFirstResponder];
- return YES;
-}
-
-# endif // !USE_PICKER_VIEW
-
-#endif // USE_IPHONE
-
-
-# ifndef USE_IPHONE
-
-- (void) okAction:(NSObject *)arg
-{
- // Without the setAppliesImmediately:, when the saver restarts, it's still
- // got the old settings. -[XScreenSaverConfigSheet traverseTree] sets this
- // to NO; default is YES.
-
- // #### However: I'm told that when these are set to YES, then changes to
- // 'textLiteral', 'textURL' and 'textProgram' are ignored, but 'textFile'
- // works. In StarWars, at least...
-
- [userDefaultsController setAppliesImmediately:YES];
- [globalDefaultsController setAppliesImmediately:YES];
- [userDefaultsController commitEditing];
- [globalDefaultsController commitEditing];
- [userDefaultsController save:self];
- [globalDefaultsController save:self];
- [NSApp endSheet:self returnCode:NSOKButton];
- [self close];
-}
-
-- (void) cancelAction:(NSObject *)arg
-{
- [userDefaultsController revert:self];
- [globalDefaultsController revert:self];
- [NSApp endSheet:self returnCode:NSCancelButton];
- [self close];
-}
-# endif // !USE_IPHONE
-
-
-- (void) resetAction:(NSObject *)arg
-{
-# ifndef USE_IPHONE
- [userDefaultsController revertToInitialValues:self];
- [globalDefaultsController revertToInitialValues:self];
-# else // USE_IPHONE
-
- for (NSString *key in defaultOptions) {
- NSObject *val = [defaultOptions objectForKey:key];
- [[self controllerForKey:key] setObject:val forKey:key];
- }
-
- for (UIControl *ctl in pref_ctls) {
- NSString *pref_key = [pref_keys objectAtIndex: ctl.tag];
- [self bindResource:ctl key:pref_key reload:YES];
- }
-
- [self refreshTableView];
-# endif // USE_IPHONE
-}
-
-
-/* Connects a control (checkbox, etc) to the corresponding preferences key.
- */
-- (void) bindResource:(NSObject *)control key:(NSString *)pref_key
- reload:(BOOL)reload_p
-{
- NSUserDefaultsController *prefs = [self controllerForKey:pref_key];
-# ifndef USE_IPHONE
- NSDictionary *opts_dict = nil;
- NSString *bindto = ([control isKindOfClass:[NSPopUpButton class]]
- ? @"selectedObject"
- : ([control isKindOfClass:[NSMatrix class]]
- ? @"selectedIndex"
- : @"value"));
-
- if ([control isKindOfClass:[NSMatrix class]]) {
- opts_dict = @{ NSValueTransformerNameBindingOption:
- @"TextModeTransformer" };
- }
-
- [control bind:bindto
- toObject:prefs
- withKeyPath:[@"values." stringByAppendingString: pref_key]
- options:opts_dict];
-
-# else // USE_IPHONE
- SEL sel;
- NSObject *val = [prefs objectForKey:pref_key];
- NSString *sval = 0;
- double dval = 0;
-
- if ([val isKindOfClass:[NSString class]]) {
- sval = (NSString *) val;
- if (NSOrderedSame == [sval caseInsensitiveCompare:@"true"] ||
- NSOrderedSame == [sval caseInsensitiveCompare:@"yes"] ||
- NSOrderedSame == [sval caseInsensitiveCompare:@"1"])
- dval = 1;
- else
- dval = [sval doubleValue];
- } else if ([val isKindOfClass:[NSNumber class]]) {
- // NSBoolean (__NSCFBoolean) is really NSNumber.
- dval = [(NSNumber *) val doubleValue];
- sval = [(NSNumber *) val stringValue];
- }
-
- if ([control isKindOfClass:[UISlider class]]) {
- sel = @selector(sliderAction:);
- // Hacky API. See comment in InvertedSlider.m.
- if ([control isKindOfClass:[InvertedSlider class]])
- [(InvertedSlider *) control setTransformedValue: dval];
- else
- [(UISlider *) control setValue: dval];
- } else if ([control isKindOfClass:[UISwitch class]]) {
- sel = @selector(switchAction:);
- [(UISwitch *) control setOn: ((int) dval != 0)];
-# ifdef USE_PICKER_VIEW
- } else if ([control isKindOfClass:[UIPickerView class]]) {
- sel = 0;
- [(UIPickerView *) control selectRow:((int)dval) inComponent:0
- animated:NO];
-# else // !USE_PICKER_VIEW
- } else if ([control isKindOfClass:[RadioButton class]]) {
- sel = 0; // radioAction: sent from didSelectRowAtIndexPath.
- } else if ([control isKindOfClass:[UITextField class]]) {
- sel = 0; // ####
- [(UITextField *) control setText: sval];
-# endif // !USE_PICKER_VIEW
- } else {
- NSAssert (0, @"unknown class");
- }
-
- // NSLog(@"\"%@\" = \"%@\" [%@, %.1f]", pref_key, val, [val class], dval);
-
- if (!reload_p) {
- if (! pref_keys) {
- pref_keys = [[NSMutableArray arrayWithCapacity:10] retain];
- pref_ctls = [[NSMutableArray arrayWithCapacity:10] retain];
- }
-
- [pref_keys addObject: [self makeKey:pref_key]];
- [pref_ctls addObject: control];
- ((UIControl *) control).tag = [pref_keys count] - 1;
-
- if (sel) {
- [(UIControl *) control addTarget:self action:sel
- forControlEvents:UIControlEventValueChanged];
- }
- }
-
-# endif // USE_IPHONE
-
-# if 0
- NSObject *def = [[prefs defaults] objectForKey:pref_key];
- NSString *s = [NSString stringWithFormat:@"bind: \"%@\"", pref_key];
- s = [s stringByPaddingToLength:18 withString:@" " startingAtIndex:0];
- s = [NSString stringWithFormat:@"%@ = %@", s,
- ([def isKindOfClass:[NSString class]]
- ? [NSString stringWithFormat:@"\"%@\"", def]
- : def)];
- s = [s stringByPaddingToLength:30 withString:@" " startingAtIndex:0];
- s = [NSString stringWithFormat:@"%@ %@ / %@", s,
- [def class], [control class]];
-# ifndef USE_IPHONE
- s = [NSString stringWithFormat:@"%@ / %@", s, bindto];
-# endif
- NSLog (@"%@", s);
-# endif
-}
-
-
-- (void) bindResource:(NSObject *)control key:(NSString *)pref_key
-{
- [self bindResource:(NSObject *)control key:(NSString *)pref_key reload:NO];
-}
-
-
-
-- (void) bindSwitch:(NSObject *)control
- cmdline:(NSString *)cmd
-{
- [self bindResource:control
- key:[self switchToResource:cmd opts:opts valRet:0]];
-}
-
-
-#pragma mark Text-manipulating utilities
-
-
-static NSString *
-unwrap (NSString *text)
-{
- // Unwrap lines: delete \n but do not delete \n\n.
- //
- NSArray *lines = [text componentsSeparatedByString:@"\n"];
- NSUInteger i, nlines = [lines count];
- BOOL eolp = YES;
-
- text = @"\n"; // start with one blank line
-
- // skip trailing blank lines in file
- for (i = nlines-1; i > 0; i--) {
- NSString *s = (NSString *) [lines objectAtIndex:i];
- if ([s length] > 0)
- break;
- nlines--;
- }
-
- // skip leading blank lines in file
- for (i = 0; i < nlines; i++) {
- NSString *s = (NSString *) [lines objectAtIndex:i];
- if ([s length] > 0)
- break;
- }
-
- // unwrap
- Bool any = NO;
- for (; i < nlines; i++) {
- NSString *s = (NSString *) [lines objectAtIndex:i];
- if ([s length] == 0) {
- text = [text stringByAppendingString:@"\n\n"];
- eolp = YES;
- } else if ([s characterAtIndex:0] == ' ' ||
- [s hasPrefix:@"Copyright "] ||
- [s hasPrefix:@"https://"] ||
- [s hasPrefix:@"http://"]) {
- // don't unwrap if the following line begins with whitespace,
- // or with the word "Copyright", or if it begins with a URL.
- if (any && !eolp)
- text = [text stringByAppendingString:@"\n"];
- text = [text stringByAppendingString:s];
- any = YES;
- eolp = NO;
- } else {
- if (!eolp)
- text = [text stringByAppendingString:@" "];
- text = [text stringByAppendingString:s];
- eolp = NO;
- any = YES;
- }
- }
-
- return text;
-}
-
-
-# ifndef USE_IPHONE
-/* Makes the text up to the first comma be bold.
- */
-static void
-boldify (NSText *nstext)
-{
- NSString *text = [nstext string];
- NSRange r = [text rangeOfString:@"," options:0];
- r.length = r.location+1;
-
- r.location = 0;
-
- NSFont *font = [nstext font];
- font = [NSFont boldSystemFontOfSize:[font pointSize]];
- [nstext setFont:font range:r];
-}
-# endif // !USE_IPHONE
-
-
-/* Creates a human-readable anchor to put on a URL.
- */
-static char *
-anchorize (const char *url)
-{
- const char *wiki1 = "http://en.wikipedia.org/wiki/";
- const char *wiki2 = "https://en.wikipedia.org/wiki/";
- const char *math1 = "http://mathworld.wolfram.com/";
- const char *math2 = "https://mathworld.wolfram.com/";
- if (!strncmp (wiki1, url, strlen(wiki1)) ||
- !strncmp (wiki2, url, strlen(wiki2))) {
- char *anchor = (char *) malloc (strlen(url) * 3 + 10);
- strcpy (anchor, "Wikipedia: \"");
- const char *in = url + strlen(!strncmp (wiki1, url, strlen(wiki1))
- ? wiki1 : wiki2);
- char *out = anchor + strlen(anchor);
- while (*in) {
- if (*in == '_') {
- *out++ = ' ';
- } else if (*in == '#') {
- *out++ = ':';
- *out++ = ' ';
- } else if (*in == '%') {
- char hex[3];
- hex[0] = in[1];
- hex[1] = in[2];
- hex[2] = 0;
- int n = 0;
- sscanf (hex, "%x", &n);
- *out++ = (char) n;
- in += 2;
- } else {
- *out++ = *in;
- }
- in++;
- }
- *out++ = '"';
- *out = 0;
- return anchor;
-
- } else if (!strncmp (math1, url, strlen(math1)) ||
- !strncmp (math2, url, strlen(math2))) {
- char *anchor = (char *) malloc (strlen(url) * 3 + 10);
- strcpy (anchor, "MathWorld: \"");
- const char *start = url + strlen(!strncmp (math1, url, strlen(math1))
- ? math1 : math2);
- const char *in = start;
- char *out = anchor + strlen(anchor);
- while (*in) {
- if (*in == '_') {
- *out++ = ' ';
- } else if (in != start && *in >= 'A' && *in <= 'Z') {
- *out++ = ' ';
- *out++ = *in;
- } else if (!strncmp (in, ".htm", 4)) {
- break;
- } else {
- *out++ = *in;
- }
- in++;
- }
- *out++ = '"';
- *out = 0;
- return anchor;
-
- } else {
- return strdup (url);
- }
-}
-
-
-#if !defined(USE_IPHONE) || !defined(USE_HTML_LABELS)
-
-/* Converts any http: URLs in the given text field to clickable links.
- */
-static void
-hreffify (NSText *nstext)
-{
-# ifndef USE_IPHONE
- NSString *text = [nstext string];
- [nstext setRichText:YES];
-# else
- NSString *text = [nstext text];
-# endif
-
- NSUInteger L = [text length];
- NSRange start; // range is start-of-search to end-of-string
- start.location = 0;
- start.length = L;
- while (start.location < L) {
-
- // Find the beginning of a URL...
- //
- NSRange r2 = [text rangeOfString: @"http://" options:0 range:start];
- NSRange r3 = [text rangeOfString:@"https://" options:0 range:start];
- if ((r2.location == NSNotFound &&
- r3.location != NSNotFound) ||
- (r2.location != NSNotFound &&
- r3.location != NSNotFound &&
- r3.location < r2.location))
- r2 = r3;
- if (r2.location == NSNotFound)
- break;
-
- // Next time around, start searching after this.
- start.location = r2.location + r2.length;
- start.length = L - start.location;
-
- // Find the end of a URL (whitespace or EOF)...
- //
- r3 = [text rangeOfCharacterFromSet:
- [NSCharacterSet whitespaceAndNewlineCharacterSet]
- options:0 range:start];
- if (r3.location == NSNotFound) // EOF
- r3.location = L, r3.length = 0;
-
- // Next time around, start searching after this.
- start.location = r3.location;
- start.length = L - start.location;
-
- // Set r2 to the start/length of this URL.
- r2.length = start.location - r2.location;
-
- // Extract the URL.
- NSString *nsurl = [text substringWithRange:r2];
- const char *url = [nsurl UTF8String];
-
- // If this is a Wikipedia URL, make the linked text be prettier.
- //
- char *anchor = anchorize(url);
-
-# ifndef USE_IPHONE
-
- // Construct the RTF corresponding to anchor
- //
- const char *fmt = "{\\field{\\*\\fldinst{HYPERLINK \"%s\"}}%s}";
- char *rtf = malloc (strlen (fmt) + strlen(url) + strlen(anchor) + 10);
- sprintf (rtf, fmt, url, anchor);
-
- NSData *rtfdata = [NSData dataWithBytesNoCopy:rtf length:strlen(rtf)];
- [nstext replaceCharactersInRange:r2 withRTF:rtfdata];
-
-# else // !USE_IPHONE
- // *anchor = 0; // Omit Wikipedia anchor
- text = [text stringByReplacingCharactersInRange:r2
- withString:[NSString stringWithCString:anchor
- encoding:NSUTF8StringEncoding]];
- // text = [text stringByReplacingOccurrencesOfString:@"\n\n\n"
- // withString:@"\n\n"];
-# endif // !USE_IPHONE
-
- free (anchor);
-
- NSUInteger L2 = [text length]; // might have changed
- start.location -= (L - L2);
- L = L2;
- }
-
-# ifdef USE_IPHONE
- [nstext setText:text];
- [nstext sizeToFit];
-# endif
-}
-
-#endif /* !USE_IPHONE || !USE_HTML_LABELS */
-
-
-
-#pragma mark Creating controls from XML
-
-
-/* Parse the attributes of an XML tag into a dictionary.
- For input, the dictionary should have as attributes the keys, each
- with @"" as their value.
- On output, the dictionary will set the keys to the values specified,
- and keys that were not specified will not be present in the dictionary.
- Warnings are printed if there are duplicate or unknown attributes.
- */
-- (void) parseAttrs:(NSMutableDictionary *)dict node:(NSXMLNode *)node
-{
- NSArray *attrs = [(NSXMLElement *) node attributes];
- NSUInteger n = [attrs count];
- int i;
-
- // For each key in the dictionary, fill in the dict with the corresponding
- // value. The value @"" is assumed to mean "un-set". Issue a warning if
- // an attribute is specified twice.
- //
- for (i = 0; i < n; i++) {
- NSXMLNode *attr = [attrs objectAtIndex:i];
- NSString *key = [attr name];
- NSString *val = [attr objectValue];
- NSString *old = [dict objectForKey:key];
-
- if (! old) {
- NSAssert2 (0, @"unknown attribute \"%@\" in \"%@\"", key, [node name]);
- } else if ([old length] != 0) {
- NSAssert3 (0, @"duplicate %@: \"%@\", \"%@\"", key, old, val);
- } else {
- [dict setValue:val forKey:key];
- }
- }
-
- // Remove from the dictionary any keys whose value is still @"",
- // meaning there was no such attribute specified.
- //
- NSArray *keys = [dict allKeys];
- n = [keys count];
- for (i = 0; i < n; i++) {
- NSString *key = [keys objectAtIndex:i];
- NSString *val = [dict objectForKey:key];
- if ([val length] == 0)
- [dict removeObjectForKey:key];
- }
-
-# ifdef USE_IPHONE
- // Kludge for starwars.xml:
- // If there is a "_low-label" and no "_label", but "_low-label" contains
- // spaces, divide them.
- NSString *lab = [dict objectForKey:@"_label"];
- NSString *low = [dict objectForKey:@"_low-label"];
- if (low && !lab) {
- NSArray *split =
- [[[low stringByTrimmingCharactersInSet:
- [NSCharacterSet whitespaceAndNewlineCharacterSet]]
- componentsSeparatedByString: @" "]
- filteredArrayUsingPredicate:
- [NSPredicate predicateWithFormat:@"length > 0"]];
- if (split && [split count] == 2) {
- [dict setValue:[split objectAtIndex:0] forKey:@"_label"];
- [dict setValue:[split objectAtIndex:1] forKey:@"_low-label"];
- }
- }
-# endif // USE_IPHONE
-}
-
-
-/* Handle the options on the top level tag.
- */
-- (NSString *) parseXScreenSaverTag:(NSXMLNode *)node
-{
- NSMutableDictionary *dict = [@{ @"name": @"",
- @"_label": @"",
- @"gl": @"" }
- mutableCopy];
- [self parseAttrs:dict node:node];
- NSString *name = [dict objectForKey:@"name"];
- NSString *label = [dict objectForKey:@"_label"];
- [dict release];
- dict = 0;
-
- NSAssert1 (label, @"no _label in %@", [node name]);
- NSAssert1 (name, @"no name in \"%@\"", label);
- return label;
-}
-
-
-/* Creates a label: an un-editable NSTextField displaying the given text.
- */
-- (LABEL *) makeLabel:(NSString *)text
-{
- NSRect rect;
- rect.origin.x = rect.origin.y = 0;
- rect.size.width = rect.size.height = 10;
-# ifndef USE_IPHONE
- NSTextField *lab = [[NSTextField alloc] initWithFrame:rect];
- [lab setSelectable:NO];
- [lab setEditable:NO];
- [lab setBezeled:NO];
- [lab setDrawsBackground:NO];
- [lab setStringValue:text];
- [lab sizeToFit];
-# else // USE_IPHONE
- UILabel *lab = [[UILabel alloc] initWithFrame:rect];
- [lab setText: [text stringByTrimmingCharactersInSet:
- [NSCharacterSet whitespaceAndNewlineCharacterSet]]];
- [lab setBackgroundColor:[UIColor clearColor]];
- [lab setNumberOfLines:0]; // unlimited
- // [lab setLineBreakMode:UILineBreakModeWordWrap];
- [lab setLineBreakMode:NSLineBreakByTruncatingHead];
- [lab setAutoresizingMask: (UIViewAutoresizingFlexibleWidth |
- UIViewAutoresizingFlexibleHeight)];
-# endif // USE_IPHONE
- [lab autorelease];
- return lab;
-}
-
-
-/* Creates the checkbox (NSButton) described by the given XML node.
- */
-- (void) makeCheckbox:(NSXMLNode *)node on:(NSView *)parent
-{
- NSMutableDictionary *dict = [@{ @"id": @"",
- @"_label": @"",
- @"arg-set": @"",
- @"arg-unset": @"" }
- mutableCopy];
- [self parseAttrs:dict node:node];
- NSString *label = [dict objectForKey:@"_label"];
- NSString *arg_set = [dict objectForKey:@"arg-set"];
- NSString *arg_unset = [dict objectForKey:@"arg-unset"];
- [dict release];
- dict = 0;
-
- if (!label) {
- NSAssert1 (0, @"no _label in %@", [node name]);
- return;
- }
- if (!arg_set && !arg_unset) {
- NSAssert1 (0, @"neither arg-set nor arg-unset provided in \"%@\"",
- label);
- }
- if (arg_set && arg_unset) {
- NSAssert1 (0, @"only one of arg-set and arg-unset may be used in \"%@\"",
- label);
- }
-
- // sanity-check the choice of argument names.
- //
- if (arg_set && ([arg_set hasPrefix:@"-no-"] ||
- [arg_set hasPrefix:@"--no-"]))
- NSLog (@"arg-set should not be a \"no\" option in \"%@\": %@",
- label, arg_set);
- if (arg_unset && (![arg_unset hasPrefix:@"-no-"] &&
- ![arg_unset hasPrefix:@"--no-"]))
- NSLog(@"arg-unset should be a \"no\" option in \"%@\": %@",
- label, arg_unset);
-
- NSRect rect;
- rect.origin.x = rect.origin.y = 0;
- rect.size.width = rect.size.height = 10;
-
-# ifndef USE_IPHONE
-
- NSButton *button = [[NSButton alloc] initWithFrame:rect];
- [button setButtonType:NSSwitchButton];
- [button setTitle:label];
- [button sizeToFit];
- [self placeChild:button on:parent];
-
-# else // USE_IPHONE
-
- LABEL *lab = [self makeLabel:label];
- [self placeChild:lab on:parent];
- UISwitch *button = [[UISwitch alloc] initWithFrame:rect];
- [self placeChild:button on:parent right:YES];
-
-# endif // USE_IPHONE
-
- [self bindSwitch:button cmdline:(arg_set ? arg_set : arg_unset)];
- [button release];
-}
-
-
-/* Creates the number selection control described by the given XML node.
- If "type=slider", it's an NSSlider.
- If "type=spinbutton", it's a text field with up/down arrows next to it.
- */
-- (void) makeNumberSelector:(NSXMLNode *)node on:(NSView *)parent
-{
- NSMutableDictionary *dict = [@{ @"id": @"",
- @"_label": @"",
- @"_low-label": @"",
- @"_high-label": @"",
- @"type": @"",
- @"arg": @"",
- @"low": @"",
- @"high": @"",
- @"default": @"",
- @"convert": @"" }
- mutableCopy];
- [self parseAttrs:dict node:node];
- NSString *label = [dict objectForKey:@"_label"];
- NSString *low_label = [dict objectForKey:@"_low-label"];
- NSString *high_label = [dict objectForKey:@"_high-label"];
- NSString *type = [dict objectForKey:@"type"];
- NSString *arg = [dict objectForKey:@"arg"];
- NSString *low = [dict objectForKey:@"low"];
- NSString *high = [dict objectForKey:@"high"];
- NSString *def = [dict objectForKey:@"default"];
- NSString *cvt = [dict objectForKey:@"convert"];
- [dict release];
- dict = 0;
-
- NSAssert1 (arg, @"no arg in %@", label);
- NSAssert1 (type, @"no type in %@", label);
-
- if (! low) {
- NSAssert1 (0, @"no low in %@", [node name]);
- return;
- }
- if (! high) {
- NSAssert1 (0, @"no high in %@", [node name]);
- return;
- }
- if (! def) {
- NSAssert1 (0, @"no default in %@", [node name]);
- return;
- }
- if (cvt && ![cvt isEqualToString:@"invert"]) {
- NSAssert1 (0, @"if provided, \"convert\" must be \"invert\" in %@",
- label);
- }
-
- // If either the min or max field contains a decimal point, then this
- // option may have a floating point value; otherwise, it is constrained
- // to be an integer.
- //
- NSCharacterSet *dot =
- [NSCharacterSet characterSetWithCharactersInString:@"."];
- BOOL float_p = ([low rangeOfCharacterFromSet:dot].location != NSNotFound ||
- [high rangeOfCharacterFromSet:dot].location != NSNotFound);
-
- if ([type isEqualToString:@"slider"]
-# ifdef USE_IPHONE // On iPhone, we use sliders for all numeric values.
- || [type isEqualToString:@"spinbutton"]
-# endif
- ) {
-
- NSRect rect;
- rect.origin.x = rect.origin.y = 0;
- rect.size.width = 150;
- rect.size.height = 23; // apparent min height for slider with ticks...
- NSSlider *slider;
- slider = [[InvertedSlider alloc] initWithFrame:rect
- inverted: !!cvt
- integers: !float_p];
- [slider setMaxValue:[high doubleValue]];
- [slider setMinValue:[low doubleValue]];
-
- int range = [slider maxValue] - [slider minValue] + 1;
- int range2 = range;
- int max_ticks = 21;
- while (range2 > max_ticks)
- range2 /= 10;
-
-# ifndef USE_IPHONE
- // If we have elided ticks, leave it at the max number of ticks.
- if (range != range2 && range2 < max_ticks)
- range2 = max_ticks;
-
- // If it's a float, always display the max number of ticks.
- if (float_p && range2 < max_ticks)
- range2 = max_ticks;
-
- [slider setNumberOfTickMarks:range2];
-
- [slider setAllowsTickMarkValuesOnly:
- (range == range2 && // we are showing the actual number of ticks
- !float_p)]; // and we want integer results
-# endif // !USE_IPHONE
-
- // #### Note: when the slider's range is large enough that we aren't
- // showing all possible ticks, the slider's value is not constrained
- // to be an integer, even though it should be...
- // Maybe we need to use a value converter or something?
-
- LABEL *lab;
- if (label) {
- lab = [self makeLabel:label];
- [self placeChild:lab on:parent];
-# ifdef USE_IPHONE
- if (low_label) {
- CGFloat s = [NSFont systemFontSize] + 4;
- [lab setFont:[NSFont boldSystemFontOfSize:s]];
- }
-# endif
- }
-
- if (low_label) {
- lab = [self makeLabel:low_label];
- [lab setFont:[NSFont systemFontOfSize:[NSFont smallSystemFontSize]]];
-# ifndef USE_IPHONE
- [lab setAlignment:1]; // right aligned
- rect = [lab frame];
- if (rect.size.width < LEFT_LABEL_WIDTH)
- rect.size.width = LEFT_LABEL_WIDTH; // make all left labels same size
- rect.size.height = [slider frame].size.height;
- [lab setFrame:rect];
- [self placeChild:lab on:parent];
-# else // USE_IPHONE
- [lab setTextAlignment: NSTextAlignmentRight];
- // Sometimes rotation screws up truncation.
- [lab setLineBreakMode:NSLineBreakByClipping];
- [self placeChild:lab on:parent right:(label ? YES : NO)];
-# endif // USE_IPHONE
- }
-
-# ifndef USE_IPHONE
- [self placeChild:slider on:parent right:(low_label ? YES : NO)];
-# else // USE_IPHONE
- [self placeChild:slider on:parent right:(label || low_label ? YES : NO)];
-# endif // USE_IPHONE
-
- if (low_label) {
- // Make left label be same height as slider.
- rect = [lab frame];
- rect.size.height = [slider frame].size.height;
- [lab setFrame:rect];
- }
-
- if (! low_label) {
- rect = [slider frame];
- if (rect.origin.x < LEFT_LABEL_WIDTH)
- rect.origin.x = LEFT_LABEL_WIDTH; // make unlabelled sliders line up too
- [slider setFrame:rect];
- }
-
- if (high_label) {
- lab = [self makeLabel:high_label];
- [lab setFont:[NSFont systemFontOfSize:[NSFont smallSystemFontSize]]];
- rect = [lab frame];
-
- // Make right label be same height as slider.
- rect.size.height = [slider frame].size.height;
- [lab setFrame:rect];
-# ifdef USE_IPHONE
- // Sometimes rotation screws up truncation.
- [lab setLineBreakMode:NSLineBreakByClipping];
-# endif
- [self placeChild:lab on:parent right:YES];
- }
-
- [self bindSwitch:slider cmdline:arg];
- [slider release];
-
-#ifndef USE_IPHONE // On iPhone, we use sliders for all numeric values.
-
- } else if ([type isEqualToString:@"spinbutton"]) {
-
- if (! label) {
- NSAssert1 (0, @"no _label in spinbutton %@", [node name]);
- return;
- }
- NSAssert1 (!low_label,
- @"low-label not allowed in spinbutton \"%@\"", [node name]);
- NSAssert1 (!high_label,
- @"high-label not allowed in spinbutton \"%@\"", [node name]);
- NSAssert1 (!cvt, @"convert not allowed in spinbutton \"%@\"",
- [node name]);
-
- NSRect rect;
- rect.origin.x = rect.origin.y = 0;
- rect.size.width = rect.size.height = 10;
-
- NSTextField *txt = [[NSTextField alloc] initWithFrame:rect];
- [txt setStringValue:@"0000.0"];
- [txt sizeToFit];
- [txt setStringValue:@""];
-
- if (label) {
- LABEL *lab = [self makeLabel:label];
- //[lab setFont:[NSFont systemFontOfSize:[NSFont smallSystemFontSize]]];
- [lab setAlignment:1]; // right aligned
- rect = [lab frame];
- if (rect.size.width < LEFT_LABEL_WIDTH)
- rect.size.width = LEFT_LABEL_WIDTH; // make all left labels same size
- rect.size.height = [txt frame].size.height;
- [lab setFrame:rect];
- [self placeChild:lab on:parent];
- }
-
- [self placeChild:txt on:parent right:(label ? YES : NO)];
-
- if (! label) {
- rect = [txt frame];
- if (rect.origin.x < LEFT_LABEL_WIDTH)
- rect.origin.x = LEFT_LABEL_WIDTH; // make unlabelled spinbtns line up
- [txt setFrame:rect];
- }
-
- rect.size.width = rect.size.height = 10;
- NSStepper *step = [[NSStepper alloc] initWithFrame:rect];
- [step sizeToFit];
- [self placeChild:step on:parent right:YES];
- rect = [step frame];
- rect.origin.x -= COLUMN_SPACING; // this one goes close
- rect.origin.y += ([txt frame].size.height - rect.size.height) / 2;
- [step setFrame:rect];
-
- [step setMinValue:[low doubleValue]];
- [step setMaxValue:[high doubleValue]];
- [step setAutorepeat:YES];
- [step setValueWraps:NO];
-
- double range = [high doubleValue] - [low doubleValue];
- if (range < 1.0)
- [step setIncrement:range / 10.0];
- else if (range >= 500)
- [step setIncrement:range / 100.0];
- else
- [step setIncrement:1.0];
-
- NSNumberFormatter *fmt = [[[NSNumberFormatter alloc] init] autorelease];
- [fmt setFormatterBehavior:NSNumberFormatterBehavior10_4];
- [fmt setNumberStyle:NSNumberFormatterDecimalStyle];
- [fmt setMinimum:[NSNumber numberWithDouble:[low doubleValue]]];
- [fmt setMaximum:[NSNumber numberWithDouble:[high doubleValue]]];
- [fmt setMinimumFractionDigits: (float_p ? 1 : 0)];
- [fmt setMaximumFractionDigits: (float_p ? 2 : 0)];
-
- [fmt setGeneratesDecimalNumbers:float_p];
- [[txt cell] setFormatter:fmt];
-
- [self bindSwitch:step cmdline:arg];
- [self bindSwitch:txt cmdline:arg];
-
- [step release];
- [txt release];
-
-# endif // USE_IPHONE
-
- } else {
- NSAssert2 (0, @"unknown type \"%@\" in \"%@\"", type, label);
- }
-}
-
-
-# ifndef USE_IPHONE
-static void
-set_menu_item_object (NSMenuItem *item, NSObject *obj)
-{
- /* If the object associated with this menu item looks like a boolean,
- store an NSNumber instead of an NSString, since that's what
- will be in the preferences (due to similar logic in PrefsReader).
- */
- if ([obj isKindOfClass:[NSString class]]) {
- NSString *string = (NSString *) obj;
- if (NSOrderedSame == [string caseInsensitiveCompare:@"true"] ||
- NSOrderedSame == [string caseInsensitiveCompare:@"yes"])
- obj = [NSNumber numberWithBool:YES];
- else if (NSOrderedSame == [string caseInsensitiveCompare:@"false"] ||
- NSOrderedSame == [string caseInsensitiveCompare:@"no"])
- obj = [NSNumber numberWithBool:NO];
- else
- obj = string;
- }
-
- [item setRepresentedObject:obj];
- //NSLog (@"menu item \"%@\" = \"%@\" %@", [item title], obj, [obj class]);
-}
-# endif // !USE_IPHONE
-
-
-/* Creates the popup menu described by the given XML node (and its children).
- */
-- (void) makeOptionMenu:(NSXMLNode *)node on:(NSView *)parent
-{
- NSArray *children = [node children];
- NSUInteger i, count = [children count];
-
- if (count <= 0) {
- NSAssert1 (0, @"no menu items in \"%@\"", [node name]);
- return;
- }
-
- // get the "id" attribute off the