Source/BSSourceView.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2008, Blue Static <http://www.bluestatic.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
   6  * General Public License as published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
  10  * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with this program; if not,
  14  * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  15  */
  16
  17 #import "BSSourceView.h"
  18
  19 @interface BSSourceView (Private)
  20 - (void)setupViews;
  21 @end
  22
  23 @implementation BSSourceView
  24
  25 @synthesize numberView, textView, scrollView, markedLine, delegate, file;
  26
  27 /**
  28  * Initializes the source view with the path of a file
  29  */
  30 - (id)initWithFrame:(NSRect)frame
  31 {
  32         if (self = [super initWithFrame:frame])
  33         {
  34                 [self setupViews];
  35         }
  36         return self;
  37 }
  38
  39 /**
  40  * Sets the file name as well as the text of the source view
  41  */
  42 - (void)setFile:(NSString *)f
  43 {
  44         file = f;
  45         [textView setString:[NSString stringWithContentsOfFile:f]];
  46 }
  47
  48 /**
  49  * Flip the coordinates
  50  */
  51 - (BOOL)isFlipped
  52 {
  53         return YES;
  54 }
  55
  56 /**
  57  * Tells the text view to scroll to a certain line
  58  */
  59 - (void)scrollToLine:(int)line
  60 {
  61         // go through the document until we find the NSRange for the line we want
  62         int rangeIndex = 0;
  63         for (int i = 0; i < line; i++)
  64         {
  65                 rangeIndex = NSMaxRange([[textView string] lineRangeForRange:NSMakeRange(rangeIndex, 0)]);
  66         }
  67
  68         // now get the true start/end markers for it
  69         unsigned lineStart, lineEnd;
  70         [[textView string] getLineStart:&lineStart end:NULL contentsEnd:&lineEnd forRange:NSMakeRange(rangeIndex - 1, 0)];
  71         [textView scrollRangeToVisible:[[textView string] lineRangeForRange:NSMakeRange(lineStart, lineEnd - lineStart)]];
  72 }
  73
  74 /**
  75  * Setup all the subviews for the source metaview
  76  */
  77 - (void)setupViews
  78 {
  79         int gutterWidth = 30;
  80
  81         // setup the line number view
  82         NSRect numberFrame = [self bounds];
  83         numberFrame.origin = NSMakePoint(0.0, 0.0);
  84         numberFrame.size.width = gutterWidth;
  85         numberView = [[BSLineNumberView alloc] initWithFrame:numberFrame];
  86         [numberView setAutoresizingMask:NSViewHeightSizable];
  87         [numberView setSourceView:self];
  88         [self addSubview:numberView];
  89
  90         // create the scroll view
  91         NSRect scrollFrame = [self bounds];
  92         scrollFrame.origin.x = gutterWidth;
  93         scrollFrame.size.width = scrollFrame.size.width - gutterWidth;
  94         scrollView = [[NSScrollView alloc] initWithFrame:scrollFrame];
  95         [scrollView setHasHorizontalScroller:YES];
  96         [scrollView setHasVerticalScroller:YES];
  97         [scrollView setBorderType:NSBezelBorder];
  98         [scrollView setAutoresizingMask:(NSViewWidthSizable | NSViewHeightSizable)];
  99     [[scrollView contentView] setAutoresizesSubviews:YES];
 100         [self addSubview:scrollView];
 101
 102         // add the text view to the scroll view
 103         NSRect textFrame;
 104         textFrame.origin = NSMakePoint(0.0, 0.0);
 105         textFrame.size = [scrollView contentSize];
 106         textView = [[BSSourceViewTextView alloc] initWithFrame:textFrame];
 107         [textView setSourceView:self];
 108         [textView setEditable:NO];
 109         [textView setFont:[NSFont fontWithName:@"Monaco" size:10.0]];
 110         [textView setHorizontallyResizable:YES];
 111         [textView setVerticallyResizable:YES];
 112         [textView setMinSize:textFrame.size];
 113         [textView setMaxSize:NSMakeSize(FLT_MAX, FLT_MAX)];
 114         [[textView textContainer] setContainerSize:NSMakeSize(FLT_MAX, FLT_MAX)];
 115         [[textView textContainer] setWidthTracksTextView:NO];
 116         [[textView textContainer] setHeightTracksTextView:NO];
 117         [textView setAutoresizingMask:NSViewNotSizable];
 118         [scrollView setDocumentView:textView];
 119 }
 120
 121 @end