// Project: fullscreen_with_nk 
// Created: 2021-11-03

// plugins
#import_plugin Nuklear as nk

// show all errors
SetErrorMode(2)

//
#option_explicit

//
#constant WINDOW_W 1024
#constant WINDOW_H 768
#constant FPS_MAX 30
#constant KEY_F4 115

// set window properties
SetWindowTitle( "fullscreen" )
SetWindowSize( WINDOW_W, WINDOW_H, 0 )
SetWindowAllowResize( 1 ) // allow the user to resize the window

// set display properties
SetVirtualResolution( WINDOW_W, WINDOW_H ) // doesn't have to match the window
SetOrientationAllowed( 1, 1, 1, 1 ) // allow both portrait and landscape on mobile devices
SetSyncRate( FPS_MAX, 0 ) // 30fps instead of 60 to save battery
SetScissor( 0,0,0,0 ) // use the maximum available screen space, no black borders
UseNewDefaultFonts( 1 ) // since version 2.0.22 we can use nicer default fonts

#insert "Nuklear.agc"
nkInit()

global flg_winfull as integer
flg_winfull = 0

CreateBgImage()

do
	nk.HandleInput()
    // anything nk script ...

    //Print( ScreenFPS() )
    Print("Press F4 key.")
    ToogleWindowSize()
    nkSync()
loop


function ToogleWindowSize()
	if GetRawKeyReleased(KEY_F4)
		if flg_winfull = 0
			flg_winfull = 1
			SetWindowSize(WINDOW_W, WINDOW_H, 1)
		else
			flg_winfull = 0
			SetWindowSize(WINDOW_W, WINDOW_H, 0)
		endif
	endif
endfunction


function CreateBgImage()
	cr as integer
	cr = MakeColor(0, 0, 255)
	
	DrawBox(0, 0, WINDOW_W, WINDOW_H, cr, cr, cr, cr, 1)
	Render()
	GetImage(1, 0, 0, WINDOW_W, WINDOW_H)
	CreateSprite(1, 1)
	SetSpritePosition(1, 0, 0)
endfunction