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//
// MTextGutterView.m
// MySQLGUICommon
//
// Created by Alfredo Kojima on 5/19/05.
// Copyright 2005 MySQL AB. All rights reserved.
//
#import "MTextGutterView.h"
#import "mxUtils.h"
@implementation MTextGutterView
- (id)initWithFrame:(NSRect)frame
{
self= [super initWithFrame:frame];
if (self)
{
_attributes= [[NSMutableDictionary alloc] init];
[self setAutoresizingMask:NSViewHeightSizable|NSViewWidthSizable];
_lineHeight= 20.0;
[_attributes setObject:[NSFont systemFontOfSize:9] forKey:@"Font"];
[_attributes setObject:[NSColor colorWithDeviceWhite:0.93 alpha:1.0] forKey:@"BackgroundColor"];
[_attributes setObject:[NSColor colorWithDeviceWhite:0.34 alpha:1.0] forKey:@"TextColor"];
[_attributes setObject:[NSNumber numberWithInt:_lineHeight] forKey:@"LineHeight"];
_textAttr= [[NSMutableDictionary alloc] init];
[_textAttr setObject:[_attributes objectForKey:@"TextColor"] forKey:NSForegroundColorAttributeName];
[_textAttr setObject:[_attributes objectForKey:@"Font"] forKey:NSFontAttributeName];
}
return self;
}
- (void)dealloc
{
[_attributes release];
[_textAttr release];
[super dealloc];
}
- (void)setDelegate:(id)deleg
{
_delegate= deleg;
}
- (void)drawRect:(NSRect)rect
{
unsigned int i;
char numbuf[32];
int firstLine, lastLine;
NSRect myRect= [self bounds];
NSFont *font= [_attributes objectForKey:@"Font"];
float y;
float yOffset= [font descender];
BOOL callDelegate= [_delegate respondsToSelector:@selector(gutterView:drawLine:rect:)];
[[_attributes objectForKey:@"BackgroundColor"] set];
NSRectFill(rect);
firstLine= NSMinY(rect) / _lineHeight;
lastLine= MAX(MIN(NSMaxY(rect) / _lineHeight, _numberOfLines-1), 0);
for (i= firstLine; i <= lastLine; i++)
{
NSString *s;
y= floor(i * _lineHeight - yOffset);
sprintf(numbuf, "%i", i+1);
s= [[NSString alloc] initWithBytesNoCopy:numbuf length:strlen(numbuf) encoding:NSUTF8StringEncoding freeWhenDone:NO];
[s drawAtPoint:NSMakePoint(floor(NSWidth(myRect)-[font widthOfString:s])-2, y) withAttributes:_textAttr];
[s release];
if (callDelegate)
[_delegate gutterView:self
drawLine:i
rect:NSMakeRect(1, (i+1)*_lineHeight, NSWidth(myRect)-2, _lineHeight)];
}
}
- (BOOL)mouseDown:(NSEvent*)event
{
float y= [self convertPoint:[event locationInWindow]
fromView:nil].y;
unsigned int line= y / _lineHeight;
if (line < _numberOfLines)
[_delegate gutterView:self clickedLine:line];
return YES;
}
- (BOOL)isFlipped
{
// textview is flipped, so we flip too
return YES;
}
- (void)setLineHeight:(float)height
{
_lineHeight= height;
}
- (void)setNumberOfLines:(int)count
{
if (_numberOfLines != count)
{
_numberOfLines= count;
[self setNeedsDisplay:YES];
}
}
@end
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