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  * Dealloc
  41  */
  42 - (void)dealloc
  43 {
  44         if (file != nil)
  45         {
  46                 [file release];
  47         }
  48 }
  49
  50 /**
  51  * Sets the file name as well as the text of the source view
  52  */
  53 - (void)setFile:(NSString *)f
  54 {
  55         [file release];
  56         file = [f retain];
  57         [textView setString:[NSString stringWithContentsOfFile:f]];
  58 }
  59
  60 /**
  61  * Flip the coordinates
  62  */
  63 - (BOOL)isFlipped
  64 {
  65         return YES;
  66 }
  67
  68 /**
  69  * Tells the text view to scroll to a certain line
  70  */
  71 - (void)scrollToLine:(int)line
  72 {
  73         // go through the document until we find the NSRange for the line we want
  74         int rangeIndex = 0;
  75         for (int i = 0; i < line; i++)
  76         {
  77                 rangeIndex = NSMaxRange([[textView string] lineRangeForRange:NSMakeRange(rangeIndex, 0)]);
  78         }
  79
  80         // now get the true start/end markers for it
  81         unsigned lineStart, lineEnd;
  82         [[textView string] getLineStart:&lineStart end:NULL contentsEnd:&lineEnd forRange:NSMakeRange(rangeIndex - 1, 0)];
  83         [textView scrollRangeToVisible:[[textView string] lineRangeForRange:NSMakeRange(lineStart, lineEnd - lineStart)]];
  84 }
  85
  86 /**
  87  * Setup all the subviews for the source metaview
  88  */
  89 - (void)setupViews
  90 {
  91         int gutterWidth = 30;
  92
  93         // setup the line number view
  94         NSRect numberFrame = [self bounds];
  95         numberFrame.origin = NSMakePoint(0.0, 0.0);
  96         numberFrame.size.width = gutterWidth;
  97         numberView = [[BSLineNumberView alloc] initWithFrame:numberFrame];
  98         [numberView setAutoresizingMask:NSViewHeightSizable];
  99         [numberView setSourceView:self];
 100         [self addSubview:numberView];
 101
 102         // create the scroll view
 103         NSRect scrollFrame = [self bounds];
 104         scrollFrame.origin.x = gutterWidth;
 105         scrollFrame.size.width = scrollFrame.size.width - gutterWidth;
 106         scrollView = [[NSScrollView alloc] initWithFrame:scrollFrame];
 107         [scrollView setHasHorizontalScroller:YES];
 108         [scrollView setHasVerticalScroller:YES];
 109         [scrollView setBorderType:NSBezelBorder];
 110         [scrollView setAutoresizingMask:(NSViewWidthSizable | NSViewHeightSizable)];
 111     [[scrollView contentView] setAutoresizesSubviews:YES];
 112         [self addSubview:scrollView];
 113
 114         // add the text view to the scroll view
 115         NSRect textFrame;
 116         textFrame.origin = NSMakePoint(0.0, 0.0);
 117         textFrame.size = [scrollView contentSize];
 118         textView = [[BSSourceViewTextView alloc] initWithFrame:textFrame];
 119         [textView setSourceView:self];
 120         [textView setEditable:NO];
 121         [textView setFont:[NSFont fontWithName:@"Monaco" size:10.0]];
 122         [textView setHorizontallyResizable:YES];
 123         [textView setVerticallyResizable:YES];
 124         [textView setMinSize:textFrame.size];
 125         [textView setMaxSize:NSMakeSize(FLT_MAX, FLT_MAX)];
 126         [[textView textContainer] setContainerSize:NSMakeSize(FLT_MAX, FLT_MAX)];
 127         [[textView textContainer] setWidthTracksTextView:NO];
 128         [[textView textContainer] setHeightTracksTextView:NO];
 129         [textView setAutoresizingMask:NSViewNotSizable];
 130         [scrollView setDocumentView:textView];
 131 }
 132
 133 @end