/*

     File: GLEssentialsWindowController.m

 Abstract: 

 Window controller class. Necessary to switch back and forth between a fullscreen and non-fullscreen window.

 The window property on NSWindowController is connected to the window in the NIB (via Interface Builder).

  Version: 1.7

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 */

#import "GLEssentialsWindowController.h"

#import "GLEssentialsFullscreenWindow.h"

@interface GLEssentialsWindowController ()

@end

@implementation GLEssentialsWindowController

// Were we set in the background?

BOOL wasBackgroundedOutOfFullScreen;

// Fullscreen window 

GLEssentialsFullscreenWindow *fullscreenWindow;

// Non-Fullscreen window (also the initial window)

NSWindow* standardWindow;

- (id)initWithWindow:(NSWindow *)window

{

    self = [super initWithWindow:window];

    if (self)

    {

        // Initialize to nil since it indicates app is not fullscreen

        fullscreenWindow = nil;

    }

    return self;

}

- (void) goFullscreen

{

    // If app is already fullscreen...

    if(fullscreenWindow)

    {

        //...don't do anything

        return;

    }

    // Allocate a new fullscreen window

    fullscreenWindow = [[GLEssentialsFullscreenWindow alloc] init];

    // Resize the view to screensize

    NSRect viewRect = [fullscreenWindow frame];

    // Set the view to the size of the fullscreen window

    [view setFrameSize: viewRect.size];

    // Set the view in the fullscreen window

    [fullscreenWindow setContentView:view];

    standardWindow = [self window];

    // Hide non-fullscreen window so it doesn't show up when switching out

    // of this app (i.e. with CMD-TAB)

    [standardWindow orderOut:self];

    // Set controller to the fullscreen window so that all input will go to

    // this controller (self)

    [self setWindow:fullscreenWindow];

    // Show the window and make it the key window for input

    [fullscreenWindow makeKeyAndOrderFront:self];

}

- (void) goWindow

{

    // If controller doesn't have a full screen window...

    if(fullscreenWindow == nil)

    {

        //...app is already windowed so don't do anything

        return;

    }

    // Get the rectangle of the original window

    NSRect viewRect = [standardWindow frame];

    // Set the view rect to the new size

    [view setFrame:viewRect];

    // Set controller to the standard window so that all input will go to

    // this controller (self)

    [self setWindow:standardWindow];

    // Set the content of the orginal window to the view

    [[self window] setContentView:view];

    // Show the window and make it the key window for input

    [[self window] makeKeyAndOrderFront:self];

    // Release the fullscreen window

    [fullscreenWindow release];

    // Ensure we set fullscreen Window to nil so our checks for 

    // windowed vs. fullscreen mode elsewhere are correct

    fullscreenWindow = nil;

}

- (void) keyDown:(NSEvent *)event

{

    unichar c = [[event charactersIgnoringModifiers] characterAtIndex:0];

    switch (c)

    {

        // Handle [ESC] key

        case 27:

            if(fullscreenWindow != nil)

            {

                [self goWindow];

            }

            return;

        // Have f key toggle fullscreen

        case 'f':

            if(fullscreenWindow == nil)

            {

                [self goFullscreen];

            }

            else

            {

                [self goWindow];

            }

            return;

    }

    // Allow other character to be handled (or not and beep)

    [super keyDown:event];

}

@end