cog/Utils/DragScrollView.m

47 lines
796 B
Objective-C

//
// ScrollableTextField.m
// Cog
//
// Created by Vincent Spader on 4/30/06.
// Copyright 2006 Vincent Spader. All rights reserved.
//
#import "DragScrollView.h"
@implementation DragScrollView
- (BOOL)acceptsFirstMouse:(NSEvent *)event {
return YES;
}
- (void)mouseDown:(NSEvent *)event
{
if([event type] == NSLeftMouseDown)
{
if ([event clickCount] == 2)
{
[[self contentView] scrollToPoint:NSMakePoint(0,0)];
}
downPoint = [event locationInWindow];
downPoint = [[self contentView] convertPoint:downPoint fromView:nil];
}
}
- (void)mouseDragged:(NSEvent *)event
{
NSPoint p = [event locationInWindow];
p = [self convertPoint:p fromView:nil];
p.y = 0;
p.x = -p.x + downPoint.x;
[[self contentView] scrollToPoint:p];
[self setNeedsDisplay:YES];
}
@end