macosx/HBOutputPanelController.m

   1 /**
   2  * @file
   3  * @date 18.5.2007
   4  *
   5  * Implementation of class HBOutputPanelController.
   6  */
   7
   8 #import "HBOutputPanelController.h"
   9 #import "HBOutputRedirect.h"
  10
  11 /// Maximum amount of characters that can be shown in the view.
  12 #define TextStorageUpperSizeLimit 20000
  13
  14 /// When old output is removed, this is the amount of characters that will be
  15 /// left in outputTextStorage.
  16 #define TextStorageLowerSizeLimit 15000
  17
  18 @implementation HBOutputPanelController
  19
  20 /**
  21  * Initializes the object, creates outputTextStorage and starts redirection of stderr.
  22  */
  23 - (id)init
  24 {
  25         if (self = [super init])
  26         {
  27                 outputTextStorage = [[NSTextStorage alloc] init];
  28                 [[HBOutputRedirect stderrRedirect] addListener:self];
  29                 [[HBOutputRedirect stdoutRedirect] addListener:self];
  30         }
  31         return self;
  32 }
  33
  34 /**
  35  * Stops redirection of stderr and releases resources.
  36  */
  37 - (void)dealloc
  38 {
  39         [[HBOutputRedirect stderrRedirect] removeListener:self];
  40         [[HBOutputRedirect stdoutRedirect] removeListener:self];
  41         [outputTextStorage release];
  42         [outputPanel release];
  43         [super dealloc];
  44 }
  45
  46 /**
  47  * Loads output panel from OutputPanel.nib and shows it.
  48  */
  49 - (IBAction)showOutputPanel:(id)sender
  50 {
  51         if (!outputPanel)
  52         {
  53                 BOOL loadSucceeded = [NSBundle loadNibNamed:@"OutputPanel" owner:self] && outputPanel;
  54                 NSAssert(loadSucceeded, @"Could not open nib file");
  55
  56                 [outputPanel setFrameAutosaveName:@"OutputPanelFrame"];
  57                 [[textView layoutManager] replaceTextStorage:outputTextStorage];
  58                 [[textView enclosingScrollView] setLineScroll:10];
  59                 [[textView enclosingScrollView] setPageScroll:20];
  60         }
  61
  62     [textView scrollRangeToVisible:NSMakeRange([outputTextStorage length], 0)];
  63         [outputPanel orderFront:nil];
  64
  65     [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"OutputPanelIsOpen"];
  66 }
  67
  68 /**
  69  * Displays text received from HBOutputRedirect in the text view.
  70  */
  71 - (void)stderrRedirect:(NSString *)text
  72 {
  73         NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:text];
  74         [outputTextStorage appendAttributedString:attributedString];
  75         [attributedString release];
  76
  77         if ([outputTextStorage length] > TextStorageUpperSizeLimit)
  78                 [outputTextStorage deleteCharactersInRange:NSMakeRange(0, [outputTextStorage length] - TextStorageLowerSizeLimit)];
  79
  80     [textView scrollRangeToVisible:NSMakeRange([outputTextStorage length], 0)];
  81 }
  82 - (void)stdoutRedirect:(NSString *)text { [self stderrRedirect:text]; }
  83
  84 /**
  85  * Clears the output window.
  86  */
  87 - (IBAction)clearOutput:(id)sender
  88 {
  89         [outputTextStorage deleteCharactersInRange:NSMakeRange(0, [outputTextStorage length])];
  90 }
  91
  92 /**
  93  * Copies all text in the output window to pasteboard.
  94  */
  95 - (IBAction)copyAllOutputToPasteboard:(id)sender
  96 {
  97         NSPasteboard *pboard = [NSPasteboard generalPasteboard];
  98         [pboard declareTypes:[NSArray arrayWithObject:NSStringPboardType] owner:nil];
  99         [pboard setString:[outputTextStorage string] forType:NSStringPboardType];
 100 }
 101
 102 - (void)windowWillClose:(NSNotification *)aNotification
 103 {
 104     [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"OutputPanelIsOpen"];
 105 }
 106
 107
 108 @end