1 files changed, 95 insertions, 0 deletions
diff --git a/macosx/HBOutputPanelController.m b/macosx/HBOutputPanelController.m
new file mode 100644
index 000000000..195498654
--- /dev/null
+++ b/macosx/HBOutputPanelController.m
@@ -0,0 +1,95 @@
+/**
+ * @file
+ * @date 18.5.2007
+ *
+ * Implementation of class HBOutputPanelController.
+ */
+
+#import "HBOutputPanelController.h"
+#import "HBOutputRedirect.h"
+
+/// Maximum amount of characters that can be shown in the view.
+#define TextStorageUpperSizeLimit 20000
+
+/// When old output is removed, this is the amount of characters that will be
+/// left in outputTextStorage.
+#define TextStorageLowerSizeLimit 15000
+
+@implementation HBOutputPanelController
+
+/**
+ * Initializes the object, creates outputTextStorage and starts redirection of stderr.
+ */
+- (id)init
+{
+	if (self = [super init])
+	{
+		outputTextStorage = [[NSTextStorage alloc] init];
+		[[HBOutputRedirect stderrRedirect] addListener:self];
+	}
+	return self;
+}
+
+/**
+ * Stops redirection of stderr and releases resources.
+ */
+- (void)dealloc
+{
+	[[HBOutputRedirect stderrRedirect] removeListener:self];	
+	[outputTextStorage release];
+	[outputPanel release];
+	[super dealloc];
+}
+
+/**
+ * Loads output panel from OutputPanel.nib and shwos it.
+ */
+- (IBAction)showOutputPanel:(id)sender
+{
+	if (!outputPanel)
+	{
+		BOOL loadSucceeded = [NSBundle loadNibNamed:@"OutputPanel" owner:self] && outputPanel;
+		NSAssert(loadSucceeded, @"Could not open nib file");
+		
+		[outputPanel setFrameAutosaveName:@"OutputPanelFrame"];
+		[[textView layoutManager] replaceTextStorage:outputTextStorage];
+	}
+		
+    [textView scrollRangeToVisible:NSMakeRange([outputTextStorage length], 0)];
+	[outputPanel orderFront:nil];
+}
+
+/**
+ * Displays text received from HBOutputRedirect in the text view.
+ */
+- (void)stderrRedirect:(NSString *)text
+{
+	NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:text];
+	[outputTextStorage appendAttributedString:attributedString];
+	[attributedString release];
+
+	if ([outputTextStorage length] > TextStorageUpperSizeLimit)
+		[outputTextStorage deleteCharactersInRange:NSMakeRange(0, [outputTextStorage length] - TextStorageLowerSizeLimit)];
+
+    [textView scrollRangeToVisible:NSMakeRange([outputTextStorage length], 0)];
+}
+
+/**
+ * Clears the output window.
+ */
+- (IBAction)clearOutput:(id)sender
+{
+	[outputTextStorage deleteCharactersInRange:NSMakeRange(0, [outputTextStorage length])];
+}
+
+/**
+ * Copies all text in the output window to pasteboard.
+ */
+- (IBAction)copyAllOutputToPasteboard:(id)sender
+{
+	NSPasteboard *pboard = [NSPasteboard generalPasteboard];
+	[pboard declareTypes:[NSArray arrayWithObject:NSStringPboardType] owner:nil];
+	[pboard setString:[outputTextStorage string] forType:NSStringPboardType];
+}
+
+@end