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//
// MGenericCanvasView.h
// GenericCanvas
//
// Created by Alfredo Kojima on 05/6/16.
// Copyright 2005 MySQL AB. All rights reserved.
//
#import <Cocoa/Cocoa.h>
class MGCVListener;
class CGenericCanvas;
class CGCView;
@class MCanvasScrollView;
@class MGenericCanvasView;
@interface NSObject(MGenericCanvasDelegate)
- (BOOL)canvas:(MGenericCanvasView*)canvas handleMouseUp:(int)button atPoint:(NSPoint)pos modifiers:(int)state;
- (BOOL)canvas:(MGenericCanvasView*)canvas handleMouseDown:(int)button atPoint:(NSPoint)pos modifiers:(int)state;
- (BOOL)canvas:(MGenericCanvasView*)canvas handleMouseDrag:(NSPoint)pos modifiers:(int)state;
- (void)canvas:(MGenericCanvasView*)canvas handleChange:(int)reason;
@end
@interface MGenericCanvasView : NSOpenGLView
{
CGenericCanvas *_canvas;
MGCVListener *_listener;
NSEvent *_lastEvent;
NSSize _baseSize;
NSPoint _offset;
NSPoint _lastClickPoint;
NSTimeInterval _lastClickTime;
NSCursor *_cursor;
NSTimer *_timer;
NSRect _viewport;
float _zoom;
int _currentZoomStep;
int _autoScrollInterval;
float _autoScrollDelay;
id _delegate;
BOOL _autoCenterZoom;
BOOL _grabPanning;
float _lastFPS;
struct {
unsigned panning:1;
} _state;
}
+ (void)registerSystemColors;
- (void)setZoom:(float)zoom withCenter:(NSPoint)center;
- (void)setZoomLevel:(int)level;
- (int)zoomLevel;
- (void)toggleOverview:(id)sender;
- (void)setDelegate:(id)delegate;
- (void)setCursor:(NSCursor*)cursor;
- (void)setOffset:(NSPoint)offset;
- (void)setBaseSize:(NSSize)size;
- (NSSize)baseSize;
- (NSPoint)convertToCanvasPoint:(NSPoint)point;
- (NSPoint)convertFromCanvasPoint:(NSPoint)point;
- (NSSize)actualSize;
- (NSRect)actualVisibleRect;
- (void)zoomInAt:(NSPoint)center;
- (void)zoomOutAt:(NSPoint)center;
- (void)setZoom:(float)zoom;
- (BOOL)loadLayoutsFromFile:(NSString*)file;
- (BOOL)loadStylesFromFile:(NSString*)file withVariables:(NSDictionary*)variables;
- (void)renderScene;
- (void)updateScrollers;
- (void)setGrabPanning:(BOOL)flag;
- (void)createCanvasView:(NSString*)viewName;
- (void)createCanvasViewWithView:(CGCView*)view;
- (void)setGridEnabled:(BOOL)flag;
- (BOOL)gridEnabled;
- (void)switchToCanvasView:(CGCView*)view;
- (void)startAreaSelectionAt:(NSPoint)point;
- (NSRect)finishAreaSelection;
- (CGenericCanvas*)canvas;
- (NSArray*)getZoomSteps;
- (NSEvent*)lastEvent;
@end
#define DEFAULT_CANVAS_ZOOM_LEVEL 12
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