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1377 lines
43 KiB
1377 lines
43 KiB
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/**
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* Implementation of the native Cocoa View that serves as container for the scintilla parts.
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*
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* Created by Mike Lischke.
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*
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* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
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* This file is dual licensed under LGPL v2.1 and the Scintilla license (http://www.scintilla.org/License.txt).
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*/
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#import "ScintillaView.h"
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using namespace Scintilla;
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// Two additional cursors we need, which aren't provided by Cocoa.
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static NSCursor* reverseArrowCursor;
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static NSCursor* waitCursor;
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// The scintilla indicator used for keyboard input.
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#define INPUT_INDICATOR INDIC_MAX - 1
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NSString *SCIUpdateUINotification = @"SCIUpdateUI";
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@implementation InnerView
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@synthesize owner = mOwner;
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//--------------------------------------------------------------------------------------------------
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- (NSView*) initWithFrame: (NSRect) frame
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{
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self = [super initWithFrame: frame];
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if (self != nil)
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{
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// Some initialization for our view.
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mCurrentCursor = [[NSCursor arrowCursor] retain];
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mCurrentTrackingRect = 0;
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mMarkedTextRange = NSMakeRange(NSNotFound, 0);
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[self registerForDraggedTypes: [NSArray arrayWithObjects:
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NSStringPboardType, ScintillaRecPboardType, NSFilenamesPboardType, nil]];
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}
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return self;
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* When the view is resized we need to update our tracking rectangle and let the backend know.
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*/
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- (void) setFrame: (NSRect) frame
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{
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[super setFrame: frame];
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// Make the content also a tracking rectangle for mouse events.
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if (mCurrentTrackingRect != 0)
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[self removeTrackingRect: mCurrentTrackingRect];
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mCurrentTrackingRect = [self addTrackingRect: [self bounds]
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owner: self
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userData: nil
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assumeInside: YES];
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mOwner.backend->Resize();
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Called by the backend if a new cursor must be set for the view.
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*/
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- (void) setCursor: (Window::Cursor) cursor
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{
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[mCurrentCursor autorelease];
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switch (cursor)
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{
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case Window::cursorText:
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mCurrentCursor = [NSCursor IBeamCursor];
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break;
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case Window::cursorArrow:
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mCurrentCursor = [NSCursor arrowCursor];
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break;
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case Window::cursorWait:
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mCurrentCursor = waitCursor;
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break;
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case Window::cursorHoriz:
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mCurrentCursor = [NSCursor resizeLeftRightCursor];
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break;
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case Window::cursorVert:
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mCurrentCursor = [NSCursor resizeUpDownCursor];
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break;
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case Window::cursorReverseArrow:
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mCurrentCursor = reverseArrowCursor;
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break;
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case Window::cursorUp:
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default:
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mCurrentCursor = [NSCursor arrowCursor];
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break;
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}
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[mCurrentCursor retain];
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// Trigger recreation of the cursor rectangle(s).
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[[self window] invalidateCursorRectsForView: self];
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* This method is called to give us the opportunity to define our mouse sensitive rectangle.
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*/
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- (void) resetCursorRects
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{
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[super resetCursorRects];
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// We only have one cursor rect: our bounds.
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NSRect bounds = [self bounds];
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[self addCursorRect: [self bounds] cursor: mCurrentCursor];
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[mCurrentCursor setOnMouseEntered: YES];
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Gets called by the runtime when the view needs repainting.
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*/
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- (void) drawRect: (NSRect) rect
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{
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CGContextRef context = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
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mOwner.backend->Draw(rect, context);
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Windows uses a client coordinate system where the upper left corner is the origin in a window
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* (and so does Scintilla). We have to adjust for that. However by returning YES here, we are
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* already done with that.
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* Note that because of returning YES here most coordinates we use now (e.g. for painting,
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* invalidating rectangles etc.) are given with +Y pointing down!
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*/
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- (BOOL) isFlipped
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{
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return YES;
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}
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//--------------------------------------------------------------------------------------------------
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- (BOOL) isOpaque
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{
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return YES;
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Implement the "click through" behavior by telling the caller we accept the first mouse event too.
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*/
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- (BOOL) acceptsFirstMouse: (NSEvent *) theEvent
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{
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return YES;
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Make this view accepting events as first responder.
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*/
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- (BOOL) acceptsFirstResponder
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{
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return YES;
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Called by the framework if it wants to show a context menu for the editor.
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*/
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- (NSMenu*) menuForEvent: (NSEvent*) theEvent
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{
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return mOwner.backend->CreateContextMenu(theEvent);
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}
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//--------------------------------------------------------------------------------------------------
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// Adoption of NSTextInput protocol.
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- (NSAttributedString*) attributedSubstringFromRange: (NSRange) range
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{
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return nil;
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}
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//--------------------------------------------------------------------------------------------------
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- (NSUInteger) characterIndexForPoint: (NSPoint) point
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{
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return NSNotFound;
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}
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//--------------------------------------------------------------------------------------------------
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- (NSInteger) conversationIdentifier
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{
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return (NSInteger) self;
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}
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//--------------------------------------------------------------------------------------------------
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- (void) doCommandBySelector: (SEL) selector
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{
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if ([self respondsToSelector: @selector(selector)])
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[self performSelector: selector withObject: nil];
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}
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//--------------------------------------------------------------------------------------------------
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- (NSRect) firstRectForCharacterRange: (NSRange) range
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{
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return NSZeroRect;
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}
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//--------------------------------------------------------------------------------------------------
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- (BOOL) hasMarkedText
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{
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return mMarkedTextRange.length > 0;
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* General text input. Used to insert new text at the current input position, replacing the current
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* selection if there is any.
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*/
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- (void) insertText: (id) aString
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{
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// Remove any previously marked text first.
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[self removeMarkedText];
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mOwner.backend->InsertText((NSString*) aString);
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}
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//--------------------------------------------------------------------------------------------------
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- (NSRange) markedRange
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{
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return mMarkedTextRange;
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}
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//--------------------------------------------------------------------------------------------------
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- (NSRange) selectedRange
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{
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int begin = [mOwner getGeneralProperty: SCI_GETSELECTIONSTART parameter: 0];
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int end = [mOwner getGeneralProperty: SCI_GETSELECTIONEND parameter: 0];
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return NSMakeRange(begin, end - begin);
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Called by the input manager to set text which might be combined with further input to form
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* the final text (e.g. composition of ^ and a to â).
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*
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* @param aString The text to insert, either what has been marked already or what is selected already
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* or simply added at the current insertion point. Depending on what is available.
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* @param range The range of the new text to select (given relative to the insertion point of the new text).
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*/
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- (void) setMarkedText: (id) aString selectedRange: (NSRange) range
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{
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// Since we did not return any valid attribute for marked text (see validAttributesForMarkedText)
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// we can safely assume the passed in text is an NSString instance.
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NSString* newText = (NSString*) aString;
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int currentPosition = [mOwner getGeneralProperty: SCI_GETCURRENTPOS parameter: 0];
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// Replace marked text if there is one.
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if (mMarkedTextRange.length > 0)
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{
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// We have already marked text. Replace that.
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[mOwner setGeneralProperty: SCI_SETSELECTIONSTART
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parameter: mMarkedTextRange.location
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value: 0];
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[mOwner setGeneralProperty: SCI_SETSELECTIONEND
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parameter: mMarkedTextRange.location + mMarkedTextRange.length
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value: 0];
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currentPosition = mMarkedTextRange.location;
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}
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mOwner.backend->InsertText(newText);
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mMarkedTextRange.location = currentPosition;
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mMarkedTextRange.length = [newText length];
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// Mark the just inserted text. Keep the marked range for later reset.
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[mOwner setGeneralProperty: SCI_SETINDICATORCURRENT parameter: INPUT_INDICATOR value: 0];
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[mOwner setGeneralProperty: SCI_INDICATORFILLRANGE
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parameter: mMarkedTextRange.location
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value: mMarkedTextRange.length];
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// Select the part which is indicated in the given range.
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if (range.length > 0)
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{
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[mOwner setGeneralProperty: SCI_SETSELECTIONSTART
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parameter: currentPosition + range.location
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value: 0];
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[mOwner setGeneralProperty: SCI_SETSELECTIONEND
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parameter: currentPosition + range.location + range.length
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value: 0];
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}
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}
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//--------------------------------------------------------------------------------------------------
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- (void) unmarkText
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{
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if (mMarkedTextRange.length > 0)
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{
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[mOwner setGeneralProperty: SCI_SETINDICATORCURRENT parameter: INPUT_INDICATOR value: 0];
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[mOwner setGeneralProperty: SCI_INDICATORCLEARRANGE
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parameter: mMarkedTextRange.location
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value: mMarkedTextRange.length];
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mMarkedTextRange = NSMakeRange(NSNotFound, 0);
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}
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Removes any currently marked text.
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*/
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- (void) removeMarkedText
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{
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if (mMarkedTextRange.length > 0)
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{
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// We have already marked text. Replace that.
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[mOwner setGeneralProperty: SCI_SETSELECTIONSTART
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parameter: mMarkedTextRange.location
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value: 0];
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[mOwner setGeneralProperty: SCI_SETSELECTIONEND
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parameter: mMarkedTextRange.location + mMarkedTextRange.length
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value: 0];
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mOwner.backend->InsertText(@"");
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mMarkedTextRange = NSMakeRange(NSNotFound, 0);
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}
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}
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//--------------------------------------------------------------------------------------------------
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- (NSArray*) validAttributesForMarkedText
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{
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return nil;
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}
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// End of the NSTextInput protocol adoption.
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//--------------------------------------------------------------------------------------------------
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/**
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* Generic input method. It is used to pass on keyboard input to Scintilla. The control itself only
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* handles shortcuts. The input is then forwarded to the Cocoa text input system, which in turn does
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* its own input handling (character composition via NSTextInput protocol):
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*/
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- (void) keyDown: (NSEvent *) theEvent
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{
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mOwner.backend->KeyboardInput(theEvent);
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NSArray* events = [NSArray arrayWithObject: theEvent];
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[self interpretKeyEvents: events];
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}
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//--------------------------------------------------------------------------------------------------
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- (void) mouseDown: (NSEvent *) theEvent
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{
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mOwner.backend->MouseDown(theEvent);
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}
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//--------------------------------------------------------------------------------------------------
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- (void) mouseDragged: (NSEvent *) theEvent
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{
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mOwner.backend->MouseMove(theEvent);
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}
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//--------------------------------------------------------------------------------------------------
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- (void) mouseUp: (NSEvent *) theEvent
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{
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mOwner.backend->MouseUp(theEvent);
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}
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//--------------------------------------------------------------------------------------------------
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- (void) mouseMoved: (NSEvent *) theEvent
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{
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mOwner.backend->MouseMove(theEvent);
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}
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//--------------------------------------------------------------------------------------------------
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- (void) mouseEntered: (NSEvent *) theEvent
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{
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mOwner.backend->MouseEntered(theEvent);
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}
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//--------------------------------------------------------------------------------------------------
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- (void) mouseExited: (NSEvent *) theEvent
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{
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mOwner.backend->MouseExited(theEvent);
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}
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//--------------------------------------------------------------------------------------------------
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- (void) scrollWheel: (NSEvent *) theEvent
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{
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mOwner.backend->MouseWheel(theEvent);
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* The editor is getting the foreground control (the one getting the input focus).
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*/
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- (BOOL) becomeFirstResponder
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{
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mOwner.backend->WndProc(SCI_SETFOCUS, 1, 0);
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return YES;
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* The editor is losing the input focus.
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*/
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- (BOOL) resignFirstResponder
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{
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mOwner.backend->WndProc(SCI_SETFOCUS, 0, 0);
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return YES;
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Called when an external drag operation enters the view.
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*/
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- (NSDragOperation) draggingEntered: (id <NSDraggingInfo>) sender
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{
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return mOwner.backend->DraggingEntered(sender);
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Called frequently during an external drag operation if we are the target.
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*/
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- (NSDragOperation) draggingUpdated: (id <NSDraggingInfo>) sender
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{
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return mOwner.backend->DraggingUpdated(sender);
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Drag image left the view. Clean up if necessary.
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*/
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- (void) draggingExited: (id <NSDraggingInfo>) sender
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{
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mOwner.backend->DraggingExited(sender);
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}
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//--------------------------------------------------------------------------------------------------
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- (BOOL) prepareForDragOperation: (id <NSDraggingInfo>) sender
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{
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return YES;
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}
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//--------------------------------------------------------------------------------------------------
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- (BOOL) performDragOperation: (id <NSDraggingInfo>) sender
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{
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return mOwner.backend->PerformDragOperation(sender);
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Returns operations we allow as drag source.
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*/
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- (NSDragOperation) draggingSourceOperationMaskForLocal: (BOOL) flag
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{
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return NSDragOperationCopy | NSDragOperationMove;
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Drag operation is done. Notify editor.
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*/
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- (void) concludeDragOperation: (id <NSDraggingInfo>) sender
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{
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// Clean up is the same as if we are no longer the drag target.
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mOwner.backend->DraggingExited(sender);
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}
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//--------------------------------------------------------------------------------------------------
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// NSResponder actions.
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- (void) selectAll: (id) sender
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{
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mOwner.backend->SelectAll();
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}
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- (void) deleteBackward: (id) sender
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{
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mOwner.backend->DeleteBackward();
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}
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- (void) cut: (id) sender
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{
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mOwner.backend->Cut();
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}
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- (void) copy: (id) sender
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{
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mOwner.backend->Copy();
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}
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- (void) paste: (id) sender
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{
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mOwner.backend->Paste();
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}
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- (void) undo: (id) sender
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{
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mOwner.backend->Undo();
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}
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- (void) redo: (id) sender
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{
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mOwner.backend->Redo();
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}
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//--------------------------------------------------------------------------------------------------
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- (void) dealloc
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{
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[mCurrentCursor release];
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[super dealloc];
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}
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@end
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//--------------------------------------------------------------------------------------------------
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@implementation ScintillaView
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@synthesize backend = mBackend;
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/**
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* ScintiallView is a composite control made from an NSView and an embedded NSView that is
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* used as canvas for the output (by the backend, using its CGContext), plus other elements
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* (scrollers, info bar).
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*/
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//--------------------------------------------------------------------------------------------------
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/**
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* Initialize custom cursor.
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*/
|
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+ (void) initialize
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{
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if (self == [ScintillaView class])
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{
|
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NSBundle* bundle = [NSBundle bundleForClass: [ScintillaView class]];
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NSString* path = [bundle pathForResource: @"mac_cursor_busy" ofType: @"png" inDirectory: nil];
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NSImage* image = [[[NSImage alloc] initWithContentsOfFile: path] autorelease];
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waitCursor = [[NSCursor alloc] initWithImage: image hotSpot: NSMakePoint(2, 2)];
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path = [bundle pathForResource: @"mac_cursor_flipped" ofType: @"png" inDirectory: nil];
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image = [[[NSImage alloc] initWithContentsOfFile: path] autorelease];
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reverseArrowCursor = [[NSCursor alloc] initWithImage: image hotSpot: NSMakePoint(12, 2)];
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}
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}
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|
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//--------------------------------------------------------------------------------------------------
|
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|
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/**
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* Sends a new notification of the given type to the default notification center.
|
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*/
|
|
- (void) sendNotification: (NSString*) notificationName
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{
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NSNotificationCenter* center = [NSNotificationCenter defaultCenter];
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[center postNotificationName: notificationName object: self];
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}
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|
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//--------------------------------------------------------------------------------------------------
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|
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/**
|
|
* Called by a connected compontent (usually the info bar) if something changed there.
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|
*
|
|
* @param type The type of the notification.
|
|
* @param message Carries the new status message if the type is a status message change.
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* @param location Carries the new location (e.g. caret) if the type is a caret change or similar type.
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|
* @param location Carries the new zoom value if the type is a zoom change.
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|
*/
|
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- (void) notify: (NotificationType) type message: (NSString*) message location: (NSPoint) location
|
|
value: (float) value
|
|
{
|
|
switch (type)
|
|
{
|
|
case IBNZoomChanged:
|
|
{
|
|
// Compute point increase/decrease based on default font size.
|
|
int fontSize = [self getGeneralProperty: SCI_STYLEGETSIZE parameter: STYLE_DEFAULT];
|
|
int zoom = (int) (fontSize * (value - 1));
|
|
[self setGeneralProperty: SCI_SETZOOM parameter: zoom value: 0];
|
|
break;
|
|
}
|
|
};
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (void) setCallback: (id <InfoBarCommunicator>) callback
|
|
{
|
|
// Not used. Only here to satisfy protocol.
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Notification function used by Scintilla to call us back (e.g. for handling clicks on the
|
|
* folder margin or changes in the editor).
|
|
*/
|
|
static void notification(intptr_t windowid, unsigned int iMessage, uintptr_t wParam, uintptr_t lParam)
|
|
{
|
|
// WM_NOTIFY means we got a parent notification with a special notification structure.
|
|
// Here we don't really differentiate between parent and own notifications and handle both.
|
|
ScintillaView* editor;
|
|
switch (iMessage)
|
|
{
|
|
case WM_NOTIFY:
|
|
{
|
|
// Parent notification. Details are passed as SCNotification structure.
|
|
SCNotification* scn = reinterpret_cast<SCNotification*>(lParam);
|
|
editor = reinterpret_cast<InnerView*>(scn->nmhdr.idFrom).owner;
|
|
switch (scn->nmhdr.code)
|
|
{
|
|
case SCN_MARGINCLICK:
|
|
{
|
|
if (scn->margin == 2)
|
|
{
|
|
// Click on the folder margin. Toggle the current line if possible.
|
|
int line = [editor getGeneralProperty: SCI_LINEFROMPOSITION parameter: scn->position];
|
|
[editor setGeneralProperty: SCI_TOGGLEFOLD parameter: line value: 0];
|
|
}
|
|
break;
|
|
};
|
|
case SCN_MODIFIED:
|
|
{
|
|
// Decide depending on the modification type what to do.
|
|
// There can be more than one modification carried by one notification.
|
|
if (scn->modificationType & (SC_MOD_INSERTTEXT | SC_MOD_DELETETEXT))
|
|
[editor sendNotification: NSTextDidChangeNotification];
|
|
break;
|
|
}
|
|
case SCN_ZOOM:
|
|
{
|
|
// A zoom change happend. Notify info bar if there is one.
|
|
float zoom = [editor getGeneralProperty: SCI_GETZOOM parameter: 0];
|
|
int fontSize = [editor getGeneralProperty: SCI_STYLEGETSIZE parameter: STYLE_DEFAULT];
|
|
float factor = (zoom / fontSize) + 1;
|
|
[editor->mInfoBar notify: IBNZoomChanged message: nil location: NSZeroPoint value: factor];
|
|
break;
|
|
}
|
|
case SCN_UPDATEUI:
|
|
{
|
|
// Triggered whenever changes in the UI state need to be reflected.
|
|
// These can be: caret changes, selection changes etc.
|
|
NSPoint caretPosition = editor->mBackend->GetCaretPosition();
|
|
[editor->mInfoBar notify: IBNCaretChanged message: nil location: caretPosition value: 0];
|
|
[editor sendNotification: SCIUpdateUINotification];
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case WM_COMMAND:
|
|
{
|
|
// Notifications for the editor itself.
|
|
ScintillaCocoa* backend = reinterpret_cast<ScintillaCocoa*>(lParam);
|
|
editor = backend->TopContainer();
|
|
switch (wParam >> 16)
|
|
{
|
|
case SCEN_KILLFOCUS:
|
|
[editor sendNotification: NSTextDidEndEditingNotification];
|
|
break;
|
|
case SCEN_SETFOCUS: // Nothing to do for now.
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
};
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Initialization of the view. Used to setup a few other things we need.
|
|
*/
|
|
- (id) initWithFrame: (NSRect) frame
|
|
{
|
|
self = [super initWithFrame:frame];
|
|
if (self)
|
|
{
|
|
mContent = [[[InnerView alloc] init] autorelease];
|
|
mBackend = new ScintillaCocoa(mContent);
|
|
mContent.owner = self;
|
|
[self addSubview: mContent];
|
|
|
|
// Initialize the scrollers but don't show them yet.
|
|
// Pick an arbitrary size, just to make NSScroller selecting the proper scroller direction
|
|
// (horizontal or vertical).
|
|
NSRect scrollerRect = NSMakeRect(0, 0, 100, 10);
|
|
mHorizontalScroller = [[[NSScroller alloc] initWithFrame: scrollerRect] autorelease];
|
|
[mHorizontalScroller setHidden: YES];
|
|
[mHorizontalScroller setTarget: self];
|
|
[mHorizontalScroller setAction: @selector(scrollerAction:)];
|
|
[self addSubview: mHorizontalScroller];
|
|
|
|
scrollerRect.size = NSMakeSize(10, 100);
|
|
mVerticalScroller = [[[NSScroller alloc] initWithFrame: scrollerRect] autorelease];
|
|
[mVerticalScroller setHidden: YES];
|
|
[mVerticalScroller setTarget: self];
|
|
[mVerticalScroller setAction: @selector(scrollerAction:)];
|
|
[self addSubview: mVerticalScroller];
|
|
|
|
// Establish a connection from the back end to this container so we can handle situations
|
|
// which require our attention.
|
|
mBackend->RegisterNotifyCallback(nil, notification);
|
|
|
|
// Setup a special indicator used in the editor to provide visual feedback for
|
|
// input composition, depending on language, keyboard etc.
|
|
[self setColorProperty: SCI_INDICSETFORE parameter: INPUT_INDICATOR fromHTML: @"#FF9A00"];
|
|
[self setGeneralProperty: SCI_INDICSETUNDER parameter: INPUT_INDICATOR value: 1];
|
|
[self setGeneralProperty: SCI_INDICSETSTYLE parameter: INPUT_INDICATOR value: INDIC_ROUNDBOX];
|
|
[self setGeneralProperty: SCI_INDICSETALPHA parameter: INPUT_INDICATOR value: 100];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (void) dealloc
|
|
{
|
|
[mInfoBar release];
|
|
delete mBackend;
|
|
[super dealloc];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (void) viewDidMoveToWindow
|
|
{
|
|
[super viewDidMoveToWindow];
|
|
|
|
[self layout];
|
|
|
|
// Enable also mouse move events for our window (and so this view).
|
|
[[self window] setAcceptsMouseMovedEvents: YES];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Used to position and size the parts of the editor (content, scrollers, info bar).
|
|
*/
|
|
- (void) layout
|
|
{
|
|
int scrollerWidth = [NSScroller scrollerWidth];
|
|
|
|
NSSize size = [self frame].size;
|
|
NSRect hScrollerRect = {0, 0, size.width, scrollerWidth};
|
|
NSRect vScrollerRect = {size.width - scrollerWidth, 0, scrollerWidth, size.height};
|
|
NSRect barFrame = {0, size.height - scrollerWidth, size.width, scrollerWidth};
|
|
BOOL infoBarVisible = mInfoBar != nil && ![mInfoBar isHidden];
|
|
|
|
// Horizontal offset of the content. Almost always 0 unless the vertical scroller
|
|
// is on the left side.
|
|
int contentX = 0;
|
|
|
|
// Vertical scroller frame calculation.
|
|
if (![mVerticalScroller isHidden])
|
|
{
|
|
// Consider user settings (left vs right vertical scrollbar).
|
|
BOOL isLeft = [[[NSUserDefaults standardUserDefaults] stringForKey: @"NSScrollerPosition"]
|
|
isEqualToString: @"left"];
|
|
if (isLeft)
|
|
{
|
|
vScrollerRect.origin.x = 0;
|
|
hScrollerRect.origin.x = scrollerWidth;
|
|
contentX = scrollerWidth;
|
|
};
|
|
|
|
size.width -= scrollerWidth;
|
|
hScrollerRect.size.width -= scrollerWidth;
|
|
}
|
|
|
|
// Same for horizontal scroller.
|
|
if (![mHorizontalScroller isHidden])
|
|
{
|
|
// Make room for the h-scroller.
|
|
size.height -= scrollerWidth;
|
|
vScrollerRect.size.height -= scrollerWidth;
|
|
vScrollerRect.origin.y += scrollerWidth;
|
|
};
|
|
|
|
// Info bar frame.
|
|
if (infoBarVisible)
|
|
{
|
|
// Initial value already is as if the bar is at top.
|
|
if (mInfoBarAtTop)
|
|
{
|
|
vScrollerRect.size.height -= scrollerWidth;
|
|
size.height -= scrollerWidth;
|
|
}
|
|
else
|
|
{
|
|
// Layout info bar and h-scroller side by side in a friendly manner.
|
|
int nativeWidth = mInitialInfoBarWidth;
|
|
int remainingWidth = barFrame.size.width;
|
|
|
|
barFrame.origin.y = 0;
|
|
|
|
if ([mHorizontalScroller isHidden])
|
|
{
|
|
// H-scroller is not visible, so take the full space.
|
|
vScrollerRect.origin.y += scrollerWidth;
|
|
vScrollerRect.size.height -= scrollerWidth;
|
|
size.height -= scrollerWidth;
|
|
}
|
|
else
|
|
{
|
|
// If the left offset of the h-scroller is > 0 then the v-scroller is on the left side.
|
|
// In this case we take the full width, otherwise what has been given to the h-scroller
|
|
// and content up to now.
|
|
if (hScrollerRect.origin.x == 0)
|
|
remainingWidth = size.width;
|
|
|
|
// Note: remainingWidth can become < 0, which hides the scroller.
|
|
remainingWidth -= nativeWidth;
|
|
|
|
hScrollerRect.origin.x = nativeWidth;
|
|
hScrollerRect.size.width = remainingWidth;
|
|
barFrame.size.width = nativeWidth;
|
|
}
|
|
}
|
|
}
|
|
|
|
NSRect contentRect = {contentX, vScrollerRect.origin.y, size.width, size.height};
|
|
[mContent setFrame: contentRect];
|
|
|
|
if (infoBarVisible)
|
|
[mInfoBar setFrame: barFrame];
|
|
if (![mHorizontalScroller isHidden])
|
|
[mHorizontalScroller setFrame: hScrollerRect];
|
|
if (![mVerticalScroller isHidden])
|
|
[mVerticalScroller setFrame: vScrollerRect];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Called by the backend to adjust the vertical scroller (range and page).
|
|
*
|
|
* @param range Determines the total size of the scroll area used in the editor.
|
|
* @param page Determines how many pixels a page is.
|
|
* @result Returns YES if anything changed, otherwise NO.
|
|
*/
|
|
- (BOOL) setVerticalScrollRange: (int) range page: (int) page
|
|
{
|
|
BOOL result = NO;
|
|
BOOL hideScroller = page >= range;
|
|
|
|
if ([mVerticalScroller isHidden] != hideScroller)
|
|
{
|
|
result = YES;
|
|
[mVerticalScroller setHidden: hideScroller];
|
|
if (!hideScroller)
|
|
[mVerticalScroller setFloatValue: 0];
|
|
[self layout];
|
|
}
|
|
|
|
if (!hideScroller)
|
|
{
|
|
[mVerticalScroller setEnabled: YES];
|
|
|
|
CGFloat currentProportion = [mVerticalScroller knobProportion];
|
|
CGFloat newProportion = page / (CGFloat) range;
|
|
if (currentProportion != newProportion)
|
|
{
|
|
result = YES;
|
|
[mVerticalScroller setKnobProportion: newProportion];
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Used to set the position of the vertical scroll thumb.
|
|
*
|
|
* @param position The relative position in the rang [0..1];
|
|
*/
|
|
- (void) setVerticalScrollPosition: (float) position
|
|
{
|
|
[mVerticalScroller setFloatValue: position];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Called by the backend to adjust the horizontal scroller (range and page).
|
|
*
|
|
* @param range Determines the total size of the scroll area used in the editor.
|
|
* @param page Determines how many pixels a page is.
|
|
* @result Returns YES if anything changed, otherwise NO.
|
|
*/
|
|
- (BOOL) setHorizontalScrollRange: (int) range page: (int) page
|
|
{
|
|
BOOL result = NO;
|
|
BOOL hideScroller = page >= range;
|
|
|
|
if ([mHorizontalScroller isHidden] != hideScroller)
|
|
{
|
|
result = YES;
|
|
[mHorizontalScroller setHidden: hideScroller];
|
|
[self layout];
|
|
}
|
|
|
|
if (!hideScroller)
|
|
{
|
|
[mHorizontalScroller setEnabled: YES];
|
|
|
|
CGFloat currentProportion = [mHorizontalScroller knobProportion];
|
|
CGFloat newProportion = page / (CGFloat) range;
|
|
if (currentProportion != newProportion)
|
|
{
|
|
result = YES;
|
|
[mHorizontalScroller setKnobProportion: newProportion];
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Used to set the position of the vertical scroll thumb.
|
|
*
|
|
* @param position The relative position in the rang [0..1];
|
|
*/
|
|
- (void) setHorizontalScrollPosition: (float) position
|
|
{
|
|
[mHorizontalScroller setFloatValue: position];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Triggered by one of the scrollers when it gets manipulated by the user. Notify the backend
|
|
* about the change.
|
|
*/
|
|
- (void) scrollerAction: (id) sender
|
|
{
|
|
float position = [sender floatValue];
|
|
mBackend->DoScroll(position, [sender hitPart], sender == mHorizontalScroller);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Used to reposition our content depending on the size of the view.
|
|
*/
|
|
- (void) setFrame: (NSRect) newFrame
|
|
{
|
|
[super setFrame: newFrame];
|
|
[self layout];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Getter for the currently selected text in raw form (no formatting information included).
|
|
* If there is no text available an empty string is returned.
|
|
*/
|
|
- (NSString*) selectedString
|
|
{
|
|
NSString *result = @"";
|
|
|
|
char *buffer(0);
|
|
const int length = mBackend->WndProc(SCI_GETSELTEXT, 0, 0);
|
|
if (length > 0)
|
|
{
|
|
buffer = new char[length + 1];
|
|
try
|
|
{
|
|
mBackend->WndProc(SCI_GETSELTEXT, length + 1, (sptr_t) buffer);
|
|
mBackend->WndProc(SCI_SETSAVEPOINT, 0, 0);
|
|
|
|
result = [NSString stringWithUTF8String: buffer];
|
|
delete[] buffer;
|
|
}
|
|
catch (...)
|
|
{
|
|
delete[] buffer;
|
|
buffer = 0;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Getter for the current text in raw form (no formatting information included).
|
|
* If there is no text available an empty string is returned.
|
|
*/
|
|
- (NSString*) string
|
|
{
|
|
NSString *result = @"";
|
|
|
|
char *buffer(0);
|
|
const int length = mBackend->WndProc(SCI_GETLENGTH, 0, 0);
|
|
if (length > 0)
|
|
{
|
|
buffer = new char[length + 1];
|
|
try
|
|
{
|
|
mBackend->WndProc(SCI_GETTEXT, length + 1, (sptr_t) buffer);
|
|
mBackend->WndProc(SCI_SETSAVEPOINT, 0, 0);
|
|
|
|
result = [NSString stringWithUTF8String: buffer];
|
|
delete[] buffer;
|
|
}
|
|
catch (...)
|
|
{
|
|
delete[] buffer;
|
|
buffer = 0;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Setter for the current text (no formatting included).
|
|
*/
|
|
- (void) setString: (NSString*) aString
|
|
{
|
|
const char* text = [aString UTF8String];
|
|
mBackend->WndProc(SCI_SETTEXT, 0, (long) text);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (void) insertString: (NSString*) aString atOffset: (int)offset
|
|
{
|
|
const char* text = [aString UTF8String];
|
|
mBackend->WndProc(SCI_ADDTEXT, offset, (long) text);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (void) setEditable: (BOOL) editable
|
|
{
|
|
mBackend->WndProc(SCI_SETREADONLY, editable ? 0 : 1, 0);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (BOOL) isEditable
|
|
{
|
|
return mBackend->WndProc(SCI_GETREADONLY, 0, 0) != 0;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
- (InnerView*) content
|
|
{
|
|
return mContent;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Direct call into the backend to allow uninterpreted access to it. The values to be passed in and
|
|
* the result heavily depend on the message that is used for the call. Refer to the Scintilla
|
|
* documentation to learn what can be used here.
|
|
*/
|
|
+ (sptr_t) directCall: (ScintillaView*) sender message: (unsigned int) message wParam: (uptr_t) wParam
|
|
lParam: (sptr_t) lParam
|
|
{
|
|
return ScintillaCocoa::DirectFunction(sender->mBackend, message, wParam, lParam);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* This is a helper method to set properties in the backend, with native parameters.
|
|
*
|
|
* @param property Main property like SCI_STYLESETFORE for which a value is to be set.
|
|
* @param parameter Additional info for this property like a parameter or index.
|
|
* @param value The actual value. It depends on the property what this parameter means.
|
|
*/
|
|
- (void) setGeneralProperty: (int) property parameter: (long) parameter value: (long) value
|
|
{
|
|
mBackend->WndProc(property, parameter, value);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* This is a helper method to get a property in the backend, with native parameters.
|
|
*
|
|
* @param property Main property like SCI_STYLESETFORE for which a value is to get.
|
|
* @param parameter Additional info for this property like a parameter or index.
|
|
* @param extra Yet another parameter if needed.
|
|
* @result A generic value which must be interpreted depending on the property queried.
|
|
*/
|
|
- (long) getGeneralProperty: (int) property parameter: (long) parameter extra: (long) extra
|
|
{
|
|
return mBackend->WndProc(property, parameter, extra);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Convenience function to avoid unneeded extra parameter.
|
|
*/
|
|
- (long) getGeneralProperty: (int) property parameter: (long) parameter
|
|
{
|
|
return mBackend->WndProc(property, parameter, 0);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Convenience function to avoid unneeded parameters.
|
|
*/
|
|
- (long) getGeneralProperty: (int) property
|
|
{
|
|
return mBackend->WndProc(property, 0, 0);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Use this variant if you have to pass in a reference to something (e.g. a text range).
|
|
*/
|
|
- (long) getGeneralProperty: (int) property ref: (const void*) ref
|
|
{
|
|
return mBackend->WndProc(property, 0, (sptr_t) ref);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Specialized property setter for colors.
|
|
*/
|
|
- (void) setColorProperty: (int) property parameter: (long) parameter value: (NSColor*) value
|
|
{
|
|
if ([value colorSpaceName] != NSDeviceRGBColorSpace)
|
|
value = [value colorUsingColorSpaceName: NSDeviceRGBColorSpace];
|
|
long red = [value redComponent] * 255;
|
|
long green = [value greenComponent] * 255;
|
|
long blue = [value blueComponent] * 255;
|
|
|
|
long color = (blue << 16) + (green << 8) + red;
|
|
mBackend->WndProc(property, parameter, color);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Another color property setting, which allows to specify the color as string like in HTML
|
|
* documents (i.e. with leading # and either 3 hex digits or 6).
|
|
*/
|
|
- (void) setColorProperty: (int) property parameter: (long) parameter fromHTML: (NSString*) fromHTML
|
|
{
|
|
if ([fromHTML length] > 3 && [fromHTML characterAtIndex: 0] == '#')
|
|
{
|
|
bool longVersion = [fromHTML length] > 6;
|
|
int index = 1;
|
|
|
|
char value[3] = {0, 0, 0};
|
|
value[0] = [fromHTML characterAtIndex: index++];
|
|
if (longVersion)
|
|
value[1] = [fromHTML characterAtIndex: index++];
|
|
else
|
|
value[1] = value[0];
|
|
|
|
unsigned rawRed;
|
|
[[NSScanner scannerWithString: [NSString stringWithUTF8String: value]] scanHexInt: &rawRed];
|
|
|
|
value[0] = [fromHTML characterAtIndex: index++];
|
|
if (longVersion)
|
|
value[1] = [fromHTML characterAtIndex: index++];
|
|
else
|
|
value[1] = value[0];
|
|
|
|
unsigned rawGreen;
|
|
[[NSScanner scannerWithString: [NSString stringWithUTF8String: value]] scanHexInt: &rawGreen];
|
|
|
|
value[0] = [fromHTML characterAtIndex: index++];
|
|
if (longVersion)
|
|
value[1] = [fromHTML characterAtIndex: index++];
|
|
else
|
|
value[1] = value[0];
|
|
|
|
unsigned rawBlue;
|
|
[[NSScanner scannerWithString: [NSString stringWithUTF8String: value]] scanHexInt: &rawBlue];
|
|
|
|
long color = (rawBlue << 16) + (rawGreen << 8) + rawRed;
|
|
mBackend->WndProc(property, parameter, color);
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Specialized property getter for colors.
|
|
*/
|
|
- (NSColor*) getColorProperty: (int) property parameter: (long) parameter
|
|
{
|
|
int color = mBackend->WndProc(property, parameter, 0);
|
|
float red = (color & 0xFF) / 255.0;
|
|
float green = ((color >> 8) & 0xFF) / 255.0;
|
|
float blue = ((color >> 16) & 0xFF) / 255.0;
|
|
NSColor* result = [NSColor colorWithDeviceRed: red green: green blue: blue alpha: 1];
|
|
return result;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Specialized property setter for references (pointers, addresses).
|
|
*/
|
|
- (void) setReferenceProperty: (int) property parameter: (long) parameter value: (const void*) value
|
|
{
|
|
mBackend->WndProc(property, parameter, (sptr_t) value);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Specialized property getter for references (pointers, addresses).
|
|
*/
|
|
- (const void*) getReferenceProperty: (int) property parameter: (long) parameter
|
|
{
|
|
return (const void*) mBackend->WndProc(property, parameter, 0);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Specialized property setter for string values.
|
|
*/
|
|
- (void) setStringProperty: (int) property parameter: (long) parameter value: (NSString*) value
|
|
{
|
|
const char* rawValue = [value UTF8String];
|
|
mBackend->WndProc(property, parameter, (sptr_t) rawValue);
|
|
}
|
|
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Specialized property getter for string values.
|
|
*/
|
|
- (NSString*) getStringProperty: (int) property parameter: (long) parameter
|
|
{
|
|
const char* rawValue = (const char*) mBackend->WndProc(property, parameter, 0);
|
|
return [NSString stringWithUTF8String: rawValue];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Specialized property setter for lexer properties, which are commonly passed as strings.
|
|
*/
|
|
- (void) setLexerProperty: (NSString*) name value: (NSString*) value
|
|
{
|
|
const char* rawName = [name UTF8String];
|
|
const char* rawValue = [value UTF8String];
|
|
mBackend->WndProc(SCI_SETPROPERTY, (sptr_t) rawName, (sptr_t) rawValue);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Specialized property getter for references (pointers, addresses).
|
|
*/
|
|
- (NSString*) getLexerProperty: (NSString*) name
|
|
{
|
|
const char* rawName = [name UTF8String];
|
|
const char* result = (const char*) mBackend->WndProc(SCI_SETPROPERTY, (sptr_t) rawName, 0);
|
|
return [NSString stringWithUTF8String: result];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Sets the new control which is displayed as info bar at the top or bottom of the editor.
|
|
* Set newBar to nil if you want to hide the bar again.
|
|
* When aligned to bottom position then the info bar and the horizontal scroller share the available
|
|
* space. The info bar will then only get the width it is currently set to less a minimal amount
|
|
* reserved for the scroller. At the top position it gets the full width of the control.
|
|
* The info bar's height is set to the height of the scrollbar.
|
|
*/
|
|
- (void) setInfoBar: (NSView <InfoBarCommunicator>*) newBar top: (BOOL) top
|
|
{
|
|
if (mInfoBar != newBar)
|
|
{
|
|
[mInfoBar removeFromSuperview];
|
|
|
|
mInfoBar = newBar;
|
|
mInfoBarAtTop = top;
|
|
if (mInfoBar != nil)
|
|
{
|
|
[self addSubview: mInfoBar];
|
|
[mInfoBar setCallback: self];
|
|
|
|
// Keep the initial width as reference for layout changes.
|
|
mInitialInfoBarWidth = [mInfoBar frame].size.width;
|
|
}
|
|
|
|
[self layout];
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Sets the edit's info bar status message. This call only has an effect if there is an info bar.
|
|
*/
|
|
- (void) setStatusText: (NSString*) text
|
|
{
|
|
if (mInfoBar != nil)
|
|
[mInfoBar notify: IBNStatusChanged message: text location: NSZeroPoint value: 0];
|
|
}
|
|
|
|
- (NSRange) selectedRange
|
|
{
|
|
return [mContent selectedRange];
|
|
}
|
|
|
|
- (void)insertText: (NSString*)text
|
|
{
|
|
[mContent insertText: text];
|
|
}
|
|
|
|
@end
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|