4a3ea0cede
Added Keyboard Selection Support Added Mouse Selection Support Added Keyboard Editing Support Corrected Some Bugs Abstracted the Layout System further Added Functions Button (test)
61 lines
1.7 KiB
Objective-C
61 lines
1.7 KiB
Objective-C
//
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// MPDrawable.h
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// MathPad
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//
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// Created by Kim Wittenburg on 07.08.14.
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// Copyright (c) 2014 Kim Wittenburg. All rights reserved.
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//
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@import Cocoa;
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#import "MPExpressionStorage.h"
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#define MPNull [NSNull null]
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@interface MPLayout : NSObject
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#pragma mark Creation Methods
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- (instancetype)init;
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- (instancetype)initWithElementAtPath:(NSIndexPath *)path
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inRootExpression:(MPExpression *)rootExpression
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parent:(MPLayout *)parent;
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#pragma mark Properties
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- (NSFont *)font;
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- (CGFloat)fontSize;
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- (NSFont *)normalFont;
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- (CGFloat)normalFontSize;
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- (NSFont *)smallFont;
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- (CGFloat)smallFontSize;
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#pragma mark Cache Tree
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@property (readonly, nonatomic, weak) MPLayout *parent;
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#pragma mark Cache Methods
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// Querying Caches
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- (id)cachableObjectForIndex:(NSUInteger)index
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generator:(id(^)())generator;
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// Clearing Caches
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- (void)clearCacheInRange:(NSRange)range
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replacementLength:(NSUInteger)replacementLength;
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- (void)invalidate;
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#pragma mark Calculation and Drawing Methods
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@property (nonatomic, getter = isFlipped) BOOL flipped;
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@property (nonatomic) BOOL usesSmallSize;
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- (NSRect)bounds;
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- (NSRect)boundingRectForRangePath:(MPRangePath *)rangePath; /* if rangePath.length is 0 the returned rect will have a width of 0 */
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- (void)drawAtPoint:(NSPoint)point;
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@end
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@interface MPLayout (MPSubclassImplement)
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- (MPLayout *)childLayoutAtIndex:(NSUInteger)index; // To be implemented
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- (NSRect)generateBounds; // To be implemented
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- (NSRect)boundingRectForRange:(NSRange)range; // To be implemented, use rangePath instead, this one has wrong origin
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- (NSPoint)offsetOfChildLayoutAtIndex:(NSUInteger)index;
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- (NSIndexPath *)indexPathForMousePoint:(NSPoint)point;
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- (void)draw; // To be implemented
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@end |