netsurf/frontends/cocoa/PSMTabBarControl/PSMTabDragAssistant.h

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//
// PSMTabDragAssistant.h
// PSMTabBarControl
//
// Created by John Pannell on 4/10/06.
// Copyright 2006 Positive Spin Media. All rights reserved.
//
/*
This class is a sigleton that manages the details of a tab drag and drop. The details were beginning to overwhelm me when keeping all of this in the control and cells :-)
*/
#import <Cocoa/Cocoa.h>
#import "PSMTabBarControl.h"
#define kPSMTabDragAnimationSteps 8
@class PSMTabBarCell, PSMTabDragWindowController;
@interface PSMTabDragAssistant : NSObject {
PSMTabBarControl *_sourceTabBar;
PSMTabBarControl *_destinationTabBar;
NSMutableSet *_participatingTabBars;
PSMTabBarCell *_draggedCell;
NSUInteger _draggedCellIndex; // for snap back
BOOL _isDragging;
// Support for dragging into new windows
PSMTabDragWindowController *_draggedTab;
PSMTabDragWindowController *_draggedView;
NSSize _dragWindowOffset;
NSTimer *_fadeTimer;
BOOL _centersDragWindows;
PSMTabBarTearOffStyle _currentTearOffStyle;
// Animation
NSTimer *_animationTimer;
NSMutableArray *_sineCurveWidths;
NSPoint _currentMouseLoc;
PSMTabBarCell *_targetCell;
}
// Creation/destruction
+ (PSMTabDragAssistant *)sharedDragAssistant;
// Accessors
- (PSMTabBarControl *)sourceTabBar;
- (void)setSourceTabBar:(PSMTabBarControl *)tabBar;
- (PSMTabBarControl *)destinationTabBar;
- (void)setDestinationTabBar:(PSMTabBarControl *)tabBar;
- (PSMTabBarCell *)draggedCell;
- (void)setDraggedCell:(PSMTabBarCell *)cell;
- (NSInteger)draggedCellIndex;
- (void)setDraggedCellIndex:(NSInteger)value;
- (BOOL)isDragging;
- (void)setIsDragging:(BOOL)value;
- (NSPoint)currentMouseLoc;
- (void)setCurrentMouseLoc:(NSPoint)point;
- (PSMTabBarCell *)targetCell;
- (void)setTargetCell:(PSMTabBarCell *)cell;
// Functionality
- (void)startDraggingCell:(PSMTabBarCell *)cell fromTabBar:(PSMTabBarControl *)control withMouseDownEvent:(NSEvent *)event;
- (void)draggingEnteredTabBar:(PSMTabBarControl *)control atPoint:(NSPoint)mouseLoc;
- (void)draggingUpdatedInTabBar:(PSMTabBarControl *)control atPoint:(NSPoint)mouseLoc;
- (void)draggingExitedTabBar:(PSMTabBarControl *)control;
- (void)performDragOperation;
- (void)draggedImageEndedAt:(NSPoint) aPoint operation:(NSDragOperation)operation;
- (void)finishDrag;
- (void)draggingBeganAt:(NSPoint)aPoint;
- (void)draggingMovedTo:(NSPoint)aPoint;
// Animation
- (void)animateDrag:(NSTimer *)timer;
- (void)calculateDragAnimationForTabBar:(PSMTabBarControl *)control;
// Placeholder
- (void)distributePlaceholdersInTabBar:(PSMTabBarControl *)control withDraggedCell:(PSMTabBarCell *)cell;
- (void)distributePlaceholdersInTabBar:(PSMTabBarControl *)control;
- (void)removeAllPlaceholdersFromTabBar:(PSMTabBarControl *)control;
@end
@interface PSMTabBarControl (DragAccessors)
- (id<PSMTabStyle>)style;
- (NSMutableArray *)cells;
- (void)setControlView:(id)view;
- (id)cellForPoint:(NSPoint) point cellFrame:(NSRectPointer)outFrame;
- (PSMTabBarCell *)lastVisibleTab;
- (NSInteger)numberOfVisibleTabs;
@end
void CGContextCopyWindowCaptureContentsToRect(void *grafport, CGRect rect, NSInteger cid, NSInteger wid, NSInteger zero);
OSStatus CGSSetWindowTransform(NSInteger cid, NSInteger wid, CGAffineTransform transform);
@interface NSApplication (CoreGraphicsUndocumented)
- (NSInteger)contextID;
@end