/**
 * Declaration of the native Cocoa View that serves as container for the scintilla parts.
 *
 * Created by Mike Lischke.
 *
 * Copyright 2011, 2013, Oracle and/or its affiliates. All rights reserved.
 * Copyright 2009, 2011 Sun Microsystems, Inc. All rights reserved.
 * This file is dual licensed under LGPL v2.1 and the Scintilla license (http://www.scintilla.org/License.txt).
 */

#import <Cocoa/Cocoa.h>

#import "Platform.h"
#import "Scintilla.h"
#import "SciLexer.h"

#import "InfoBarCommunicator.h"
#import "ScintillaCocoa.h"

@class ScintillaView;

extern NSString *SCIUpdateUINotification;

@protocol ScintillaNotificationProtocol
- (void)notification: (Scintilla::SCNotification*)notification;
@end

/**
 * MarginView draws line numbers and other margins next to the text view.
 */
@interface MarginView : NSRulerView
{
@private
  int marginWidth;
  ScintillaView *owner;
  NSMutableArray *currentCursors;
}

@property (assign) int marginWidth;
@property (assign) ScintillaView *owner;

- (id)initWithScrollView:(NSScrollView *)aScrollView;

@end

/**
 * InnerView is the Cocoa interface to the Scintilla backend. It handles text input and
 * provides a canvas for painting the output.
 */
@interface InnerView : NSView <NSTextInputClient, NSUserInterfaceValidations>
{
@private
  ScintillaView* mOwner;
  NSCursor* mCurrentCursor;
  NSTrackingRectTag mCurrentTrackingRect;

  // Set when we are in composition mode and partial input is displayed.
  NSRange mMarkedTextRange;
  BOOL undoCollectionWasActive;
}

@property (nonatomic, assign) ScintillaView* owner;

- (void) dealloc;
- (void) removeMarkedText;
- (void) setCursor: (Scintilla::Window::Cursor) cursor;

- (BOOL) canUndo;
- (BOOL) canRedo;

@end

@interface ScintillaView : NSView <InfoBarCommunicator>
{
@private
  // The back end is kind of a controller and model in one.
  // It uses the content view for display.
  Scintilla::ScintillaCocoa* mBackend;
  
  // This is the actual content to which the backend renders itself.
  InnerView* mContent;
  
  NSScrollView *scrollView;
  MarginView *marginView;
  
  CGFloat zoomDelta;
  
  // Area to display additional controls (e.g. zoom info, caret position, status info).
  NSView <InfoBarCommunicator>* mInfoBar;
  BOOL mInfoBarAtTop;
  int mInitialInfoBarWidth;

  id<ScintillaNotificationProtocol> mDelegate;
}

@property (nonatomic, readonly) Scintilla::ScintillaCocoa* backend;
@property (nonatomic, assign) id<ScintillaNotificationProtocol> delegate;
@property (nonatomic, readonly) NSScrollView *scrollView;

- (void) dealloc;
- (void) positionSubViews;

- (void) sendNotification: (NSString*) notificationName;
- (void) notify: (NotificationType) type message: (NSString*) message location: (NSPoint) location
          value: (float) value;
- (void) setCallback: (id <InfoBarCommunicator>) callback;

- (void) suspendDrawing: (BOOL) suspend;

// Scroller handling
- (void) setMarginWidth: (int) width;
- (void) scrollerAction: (id) sender;
- (InnerView*) content;

// NSTextView compatibility layer.
- (NSString*) string;
- (void) setString: (NSString*) aString;
- (void) insertText: (NSString*) aString;
- (void) setEditable: (BOOL) editable;
- (BOOL) isEditable;
- (NSRange) selectedRange;

- (NSString*) selectedString;

- (void)setFontName: (NSString*) font
               size: (int) size
               bold: (BOOL) bold
             italic: (BOOL) italic;

// Native call through to the backend.
+ (sptr_t) directCall: (ScintillaView*) sender message: (unsigned int) message wParam: (uptr_t) wParam
               lParam: (sptr_t) lParam;
- (sptr_t) message: (unsigned int) message wParam: (uptr_t) wParam lParam: (sptr_t) lParam;
- (sptr_t) message: (unsigned int) message wParam: (uptr_t) wParam;
- (sptr_t) message: (unsigned int) message;

// Back end properties getters and setters.
- (void) setGeneralProperty: (int) property parameter: (long) parameter value: (long) value;
- (void) setGeneralProperty: (int) property value: (long) value;

- (long) getGeneralProperty: (int) property;
- (long) getGeneralProperty: (int) property parameter: (long) parameter;
- (long) getGeneralProperty: (int) property parameter: (long) parameter extra: (long) extra;
- (long) getGeneralProperty: (int) property ref: (const void*) ref;
- (void) setColorProperty: (int) property parameter: (long) parameter value: (NSColor*) value;
- (void) setColorProperty: (int) property parameter: (long) parameter fromHTML: (NSString*) fromHTML;
- (NSColor*) getColorProperty: (int) property parameter: (long) parameter;
- (void) setReferenceProperty: (int) property parameter: (long) parameter value: (const void*) value;
- (const void*) getReferenceProperty: (int) property parameter: (long) parameter;
- (void) setStringProperty: (int) property parameter: (long) parameter value: (NSString*) value;
- (NSString*) getStringProperty: (int) property parameter: (long) parameter;
- (void) setLexerProperty: (NSString*) name value: (NSString*) value;
- (NSString*) getLexerProperty: (NSString*) name;

- (void) registerNotifyCallback: (intptr_t) windowid value: (Scintilla::SciNotifyFunc) callback;

- (void) setInfoBar: (NSView <InfoBarCommunicator>*) aView top: (BOOL) top;
- (void) setStatusText: (NSString*) text;

- (BOOL) findAndHighlightText: (NSString*) searchText
                    matchCase: (BOOL) matchCase
                    wholeWord: (BOOL) wholeWord
                     scrollTo: (BOOL) scrollTo
                         wrap: (BOOL) wrap;

- (BOOL) findAndHighlightText: (NSString*) searchText
                    matchCase: (BOOL) matchCase
                    wholeWord: (BOOL) wholeWord
                     scrollTo: (BOOL) scrollTo
                         wrap: (BOOL) wrap
                    backwards: (BOOL) backwards;

- (int) findAndReplaceText: (NSString*) searchText
                    byText: (NSString*) newText
                 matchCase: (BOOL) matchCase
                 wholeWord: (BOOL) wholeWord
                     doAll: (BOOL) doAll;

@end