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