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-rw-r--r--Source/NoodleLineNumberView.m179
1 files changed, 89 insertions, 90 deletions
diff --git a/Source/NoodleLineNumberView.m b/Source/NoodleLineNumberView.m
index 1ba6e2f1..9be65981 100644
--- a/Source/NoodleLineNumberView.m
+++ b/Source/NoodleLineNumberView.m
@@ -50,13 +50,13 @@
- (id)initWithScrollView:(NSScrollView *)aScrollView
{
- if ((self = [super initWithScrollView:aScrollView orientation:NSVerticalRuler]) != nil)
- {
- [self setClientView:[aScrollView documentView]];
+ if ((self = [super initWithScrollView:aScrollView orientation:NSVerticalRuler]) != nil)
+ {
+ [self setClientView:[aScrollView documentView]];
lineIndices = nil;
}
-
- return self;
+
+ return self;
}
- (void)awakeFromNib
@@ -66,21 +66,21 @@
- (void)dealloc
{
- [[NSNotificationCenter defaultCenter] removeObserver:self];
-
- if (lineIndices) [lineIndices release];
- [font release];
-
- [super dealloc];
+ [[NSNotificationCenter defaultCenter] removeObserver:self];
+
+ if (lineIndices) [lineIndices release];
+ [font release];
+
+ [super dealloc];
}
- (void)setFont:(NSFont *)aFont
{
- if (font != aFont)
- {
- [font autorelease];
+ if (font != aFont)
+ {
+ [font autorelease];
font = [aFont retain];
- }
+ }
}
- (NSFont *)font
@@ -144,21 +144,21 @@
- (void)setClientView:(NSView *)aView
{
- id oldClientView;
-
+ id oldClientView;
+
oldClientView = [self clientView];
-
- if ((oldClientView != aView) && [oldClientView isKindOfClass:[NSTextView class]])
- {
+
+ if ((oldClientView != aView) && [oldClientView isKindOfClass:[NSTextView class]])
+ {
[[NSNotificationCenter defaultCenter] removeObserver:self name:NSTextStorageDidProcessEditingNotification object:[(NSTextView *)oldClientView textStorage]];
- }
- [super setClientView:aView];
- if ((aView != nil) && [aView isKindOfClass:[NSTextView class]])
- {
+ }
+ [super setClientView:aView];
+ if ((aView != nil) && [aView isKindOfClass:[NSTextView class]])
+ {
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textDidChange:) name:NSTextStorageDidProcessEditingNotification object:[(NSTextView *)aView textStorage]];
[self invalidateLineIndices];
- }
+ }
}
- (NSMutableArray *)lineIndices
@@ -179,8 +179,8 @@
{
// Invalidate the line indices. They will be recalculated and recached on demand.
[self invalidateLineIndices];
-
- [self setNeedsDisplay:YES];
+
+ [self setNeedsDisplay:YES];
}
- (NSUInteger)lineNumberForLocation:(CGFloat)location
@@ -231,60 +231,60 @@
- (void)calculateLines
{
- id view;
+ id view;
- view = [self clientView];
-
- if ([view isKindOfClass:[NSTextView class]])
- {
- NSUInteger index, numberOfLines, stringLength, lineEnd, contentEnd;
- NSString *text;
- CGFloat oldThickness, newThickness;
-
- text = [view string];
- stringLength = [text length];
- // Switch off line numbering if text larger than 6MB
- // for performance reasons.
- // TODO improve performance maybe via threading
- if(stringLength>6000000)
- return;
- if (lineIndices) [lineIndices release];
- lineIndices = [[NSMutableArray alloc] init];
-
- index = 0;
- numberOfLines = 0;
-
- do
- {
- [lineIndices addObject:[NSNumber numberWithUnsignedInteger:index]];
-
- index = NSMaxRange([text lineRangeForRange:NSMakeRange(index, 0)]);
- numberOfLines++;
- }
- while (index < stringLength);
+ view = [self clientView];
- // Check if text ends with a new line.
- [text getLineStart:NULL end:&lineEnd contentsEnd:&contentEnd forRange:NSMakeRange([[lineIndices lastObject] unsignedIntegerValue], 0)];
- if (contentEnd < lineEnd)
- {
- [lineIndices addObject:[NSNumber numberWithUnsignedInteger:index]];
- }
+ if ([view isKindOfClass:[NSTextView class]])
+ {
+ NSUInteger index, numberOfLines, stringLength, lineEnd, contentEnd;
+ NSString *text;
+ CGFloat oldThickness, newThickness;
+
+ text = [view string];
+ stringLength = [text length];
+ // Switch off line numbering if text larger than 6MB
+ // for performance reasons.
+ // TODO improve performance maybe via threading
+ if(stringLength>6000000)
+ return;
+ if (lineIndices) [lineIndices release];
+ lineIndices = [[NSMutableArray alloc] init];
+
+ index = 0;
+ numberOfLines = 0;
+
+ do
+ {
+ [lineIndices addObject:[NSNumber numberWithUnsignedInteger:index]];
- oldThickness = [self ruleThickness];
- newThickness = [self requiredThickness];
- if (fabs(oldThickness - newThickness) > 1)
- {
+ index = NSMaxRange([text lineRangeForRange:NSMakeRange(index, 0)]);
+ numberOfLines++;
+ }
+ while (index < stringLength);
+
+ // Check if text ends with a new line.
+ [text getLineStart:NULL end:&lineEnd contentsEnd:&contentEnd forRange:NSMakeRange([[lineIndices lastObject] unsignedIntegerValue], 0)];
+ if (contentEnd < lineEnd)
+ {
+ [lineIndices addObject:[NSNumber numberWithUnsignedInteger:index]];
+ }
+
+ oldThickness = [self ruleThickness];
+ newThickness = [self requiredThickness];
+ if (fabs(oldThickness - newThickness) > 1)
+ {
NSInvocation *invocation;
-
+
// Not a good idea to resize the view during calculations (which can happen during
// display). Do a delayed perform (using NSInvocation since arg is a float).
invocation = [NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(setRuleThickness:)]];
[invocation setSelector:@selector(setRuleThickness:)];
[invocation setTarget:self];
[invocation setArgument:&newThickness atIndex:2];
-
+
[invocation performSelector:@selector(invoke) withObject:nil afterDelay:0.0];
- }
+ }
}
}
@@ -330,26 +330,25 @@
- (CGFloat)requiredThickness
{
- NSUInteger lineCount, digits, i;
- NSMutableString *sampleString;
- NSSize stringSize;
-
- lineCount = [[self lineIndices] count];
- digits = (NSUInteger)log10(lineCount) + 1;
- sampleString = [NSMutableString string];
- for (i = 0; i < digits; i++)
- {
- // Use "8" since it is one of the fatter numbers. Anything but "1"
- // will probably be ok here. I could be pedantic and actually find the fattest
- // number for the current font but nah.
- [sampleString appendString:@"8"];
- }
-
- stringSize = [sampleString sizeWithAttributes:[self textAttributes]];
-
- // Round up the value. There is a bug on 10.4 where the display gets all wonky when scrolling if you don't
- // return an integral value here.
- return ceil(MAX(DEFAULT_THICKNESS, stringSize.width + RULER_MARGIN * 2));
+ NSUInteger lineCount = [[self lineIndices] count];
+ if(lineCount < 10)
+ return ceil(MAX(DEFAULT_THICKNESS, [[NSString stringWithString:@"8"] sizeWithAttributes:[self textAttributes]].width + RULER_MARGIN * 2));
+ else if(lineCount < 100)
+ return ceil(MAX(DEFAULT_THICKNESS, [[NSString stringWithString:@"88"] sizeWithAttributes:[self textAttributes]].width + RULER_MARGIN * 2));
+ else if(lineCount < 1000)
+ return ceil(MAX(DEFAULT_THICKNESS, [[NSString stringWithString:@"888"] sizeWithAttributes:[self textAttributes]].width + RULER_MARGIN * 2));
+ else if(lineCount < 10000)
+ return ceil(MAX(DEFAULT_THICKNESS, [[NSString stringWithString:@"8888"] sizeWithAttributes:[self textAttributes]].width + RULER_MARGIN * 2));
+ else if(lineCount < 100000)
+ return ceil(MAX(DEFAULT_THICKNESS, [[NSString stringWithString:@"88888"] sizeWithAttributes:[self textAttributes]].width + RULER_MARGIN * 2));
+ else if(lineCount < 1000000)
+ return ceil(MAX(DEFAULT_THICKNESS, [[NSString stringWithString:@"888888"] sizeWithAttributes:[self textAttributes]].width + RULER_MARGIN * 2));
+ else if(lineCount < 10000000)
+ return ceil(MAX(DEFAULT_THICKNESS, [[NSString stringWithString:@"8888888"] sizeWithAttributes:[self textAttributes]].width + RULER_MARGIN * 2));
+ else if(lineCount < 100000000)
+ return ceil(MAX(DEFAULT_THICKNESS, [[NSString stringWithString:@"88888888"] sizeWithAttributes:[self textAttributes]].width + RULER_MARGIN * 2));
+ else
+ return 100;
}
- (void)drawHashMarksAndLabelsInRect:(NSRect)aRect
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 18:47:14 +0000