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