/*
# Created by Matteo Rattotti on 13/03/06.
# Copyright (c) 2006 - 2007 Shiny Frog. All rights reserved.
# Contact matteo.rattotti@shinyfrog.net for any problem

# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/
#import "TransparentWindow.h"

@implementation TransparentWindow

- (id)initWithContentRect:(NSRect)contentRect 
                styleMask:(unsigned int)aStyle 
                  backing:(NSBackingStoreType)bufferingType 
                    defer:(BOOL)flag {
    
    if (self = [super initWithContentRect:contentRect 
                                        styleMask:NSBorderlessWindowMask 
                                          backing:NSBackingStoreBuffered 
                                   defer:NO]) {
        //[self setLevel: NSStatusWindowLevel];
        [self setLevel: NSNormalWindowLevel];
        //[self setLevel: kCGDesktopWindowLevel];// + 1];
        [self setBackgroundColor: [NSColor clearColor]];
        [self setAlphaValue:1.0];
        [self setOpaque:NO];
        [self setHasShadow:NO];
        [self setMovableByWindowBackground:YES];
        //[self setIgnoresMouseEvents:YES];

        return self;
    }
    
    return nil;
}


- (BOOL) canBecomeKeyWindow
{
    return YES;
}


- (void)mouseDragged:(NSEvent *)theEvent
{
    NSPoint currentLocation;
    NSPoint newOrigin;
    NSRect  screenFrame = [[NSScreen mainScreen] frame];
    NSRect  windowFrame = [self frame];
    
    currentLocation = [self convertBaseToScreen:[self mouseLocationOutsideOfEventStream]];
    newOrigin.x = currentLocation.x - initialLocation.x;
    newOrigin.y = currentLocation.y - initialLocation.y;
    
    if( (newOrigin.y + windowFrame.size.height) > (NSMaxY(screenFrame) - [NSMenuView menuBarHeight]) ){
        // Prevent dragging into the menu bar area
	newOrigin.y = NSMaxY(screenFrame) - windowFrame.size.height - [NSMenuView menuBarHeight];
    }
    /*
    if (newOrigin.y < NSMinY(screenFrame)) {
        // Prevent dragging off bottom of screen
        newOrigin.y = NSMinY(screenFrame);
    }
    if (newOrigin.x < NSMinX(screenFrame)) {
        // Prevent dragging off left of screen
        newOrigin.x = NSMinX(screenFrame);
    }
    if (newOrigin.x > NSMaxX(screenFrame) - windowFrame.size.width) {
        // Prevent dragging off right of screen
        newOrigin.x = NSMaxX(screenFrame) - windowFrame.size.width;
    }
    */
    
    [self setFrameOrigin:newOrigin];
}


- (void)mouseDown:(NSEvent *)theEvent
{    
    //NSLog(@"click!");
    NSRect windowFrame = [self frame];
    
    // Get mouse location in global coordinates
    initialLocation = [self convertBaseToScreen:[theEvent locationInWindow]];
    initialLocation.x -= windowFrame.origin.x;
    initialLocation.y -= windowFrame.origin.y;
}


@end