// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license that can be found in the LICENSE file.

module gg

import gx

pub type FNCb = fn (data voidptr)

pub type FNEvent = fn (e &Event, data voidptr)

pub type FNFail = fn (msg string, data voidptr)

pub type FNKeyDown = fn (c KeyCode, m Modifier, data voidptr)

pub type FNKeyUp = fn (c KeyCode, m Modifier, data voidptr)

pub type FNMove = fn (x f32, y f32, data voidptr)

pub type FNClick = fn (x f32, y f32, button MouseButton, data voidptr)

pub type FNUnClick = fn (x f32, y f32, button MouseButton, data voidptr)

pub type FNChar = fn (c u32, data voidptr)

pub struct Config {
pub:
	width         int
	height        int
	use_ortho     bool // unused, still here just for backwards compatibility
	retina        bool
	resizable     bool
	user_data     voidptr
	font_size     int
	create_window bool
	// window_user_ptr voidptr
	window_title      string
	borderless_window bool
	always_on_top     bool
	bg_color          gx.Color
	init_fn           FNCb   = voidptr(0)
	frame_fn          FNCb   = voidptr(0)
	native_frame_fn   FNCb   = voidptr(0)
	cleanup_fn        FNCb   = voidptr(0)
	fail_fn           FNFail = voidptr(0)
	//
	event_fn FNEvent = voidptr(0)
	quit_fn  FNEvent = voidptr(0)
	//
	keydown_fn FNKeyDown = voidptr(0)
	keyup_fn   FNKeyUp   = voidptr(0)
	char_fn    FNChar    = voidptr(0)
	//
	move_fn    FNMove    = voidptr(0)
	click_fn   FNClick   = voidptr(0)
	unclick_fn FNUnClick = voidptr(0)
	leave_fn   FNEvent   = voidptr(0)
	enter_fn   FNEvent   = voidptr(0)
	resized_fn FNEvent   = voidptr(0)
	scroll_fn  FNEvent   = voidptr(0)
	// wait_events       bool // set this to true for UIs, to save power
	fullscreen    bool
	scale         f32 = 1.0
	sample_count  int
	swap_interval int = 1 // 1 = 60fps, 2 = 30fps etc. The preferred swap interval (ignored on some platforms)
	// ved needs this
	// init_text bool
	font_path             string
	custom_bold_font_path string
	ui_mode               bool // refreshes only on events to save CPU usage
	// font bytes for embedding
	font_bytes_normal []byte
	font_bytes_bold   []byte
	font_bytes_mono   []byte
	font_bytes_italic []byte
	native_rendering  bool // Cocoa on macOS/iOS, GDI+ on Windows
	// drag&drop
	enable_dragndrop             bool // enable file dropping (drag'n'drop), default is false
	max_dropped_files            int = 1 // max number of dropped files to process (default: 1)
	max_dropped_file_path_length int = 2048 // max length in bytes of a dropped UTF-8 file path (default: 2048)
}

pub struct PenConfig {
	color     gx.Color
	line_type PenLineType = .solid
	thickness int = 1
}

pub struct Size {
pub:
	width  int
	height int
}