gg: move code using C types to c.v files, add js.v files (#12873)

vlib/gg/gg.js.v

@@ -0,0 +1,228 @@
+module gg
+
+import js.dom
+
+pub enum DOMEventType {
+	invalid
+	key_down
+	key_up
+	char
+	mouse_down
+	mouse_up
+	mouse_scroll
+	mouse_move
+	mouse_enter
+	mouse_leave
+	touches_began
+	touches_moved
+	touches_ended
+	touches_cancelled
+	resized
+	iconified
+	restored
+	focused
+	unfocused
+	suspended
+	resumed
+	update_cursor
+	quit_requested
+	clipboard_pasted
+	files_droped
+	num
+}
+
+pub struct Event {
+pub mut:
+	frame_count  u64
+	typ          DOMEventType
+	key_code     DOMKeyCode
+	char_code    u32
+	key_repeat   bool
+	modifiers    u32
+	mouse_button DOMMouseButton
+	mouse_x      f32
+	mouse_y      f32
+	mouse_dx     f32
+	mouse_dy     f32
+	scroll_x     f32
+	scroll_y     f32
+	// todo(playX): add touches API support in js.dom
+	// num_touches        int
+	// touches            [8]C.sapp_touchpoint
+	window_width       int
+	window_height      int
+	framebuffer_width  int
+	framebuffer_height int
+}
+
+pub struct Context {
+mut:
+	render_text   bool = true
+	image_cache   []Image
+	needs_refresh bool = true
+	ticks         int
+pub mut:
+	scale         f32 = 1.0
+	width         int
+	height        int
+	window        JS.Window
+	config        Config
+	user_data     voidptr
+	ui_mode       bool
+	frame         u64
+	mbtn_mask     byte
+	mouse_buttons MouseButtons
+	mouse_pos_x   int
+	mouse_pos_y   int
+	mouse_dx      int
+	mouse_dy      int
+	scroll_x      int
+	scroll_y      int
+	//
+	key_modifiers     Modifier // the current key modifiers
+	key_repeat        bool     // whether the pressed key was an autorepeated one
+	pressed_keys      [key_code_max]bool // an array representing all currently pressed keys
+	pressed_keys_edge [key_code_max]bool // true when the previous state of pressed_keys,
+	// *before* the current event was different
+}
+
+pub enum DOMMouseButton {
+	invalid = -1
+	left = 0
+	right = 1
+	middle = 2
+}
+
+pub enum DOMModifier {
+	shift = 1 //(1<<0)
+	ctrl = 2 //(1<<1)
+	alt = 4 //(1<<2)
+	super = 8 //(1<<3)
+	lmb = 0x100
+	rmb = 0x200
+	mmb = 0x400
+}
+
+pub enum DOMKeyCode {
+	invalid = 0
+	space = 32
+	apostrophe = 39 //'
+	comma = 44 //,
+	minus = 45 //-
+	period = 46 //.
+	slash = 47 ///
+	_0 = 48
+	_1 = 49
+	_2 = 50
+	_3 = 51
+	_4 = 52
+	_5 = 53
+	_6 = 54
+	_7 = 55
+	_8 = 56
+	_9 = 57
+	semicolon = 59 //;
+	equal = 61 //=
+	a = 65
+	b = 66
+	c = 67
+	d = 68
+	e = 69
+	f = 70
+	g = 71
+	h = 72
+	i = 73
+	j = 74
+	k = 75
+	l = 76
+	m = 77
+	n = 78
+	o = 79
+	p = 80
+	q = 81
+	r = 82
+	s = 83
+	t = 84
+	u = 85
+	v = 86
+	w = 87
+	x = 88
+	y = 89
+	z = 90
+	left_bracket = 91 //[
+	backslash = 92 //\
+	right_bracket = 93 //]
+	grave_accent = 96 //`
+	world_1 = 161 // non-us #1
+	world_2 = 162 // non-us #2
+	escape = 256
+	enter = 257
+	tab = 258
+	backspace = 259
+	insert = 260
+	delete = 261
+	right = 262
+	left = 263
+	down = 264
+	up = 265
+	page_up = 266
+	page_down = 267
+	home = 268
+	end = 269
+	caps_lock = 280
+	scroll_lock = 281
+	num_lock = 282
+	print_screen = 283
+	pause = 284
+	f1 = 290
+	f2 = 291
+	f3 = 292
+	f4 = 293
+	f5 = 294
+	f6 = 295
+	f7 = 296
+	f8 = 297
+	f9 = 298
+	f10 = 299
+	f11 = 300
+	f12 = 301
+	f13 = 302
+	f14 = 303
+	f15 = 304
+	f16 = 305
+	f17 = 306
+	f18 = 307
+	f19 = 308
+	f20 = 309
+	f21 = 310
+	f22 = 311
+	f23 = 312
+	f24 = 313
+	f25 = 314
+	kp_0 = 320
+	kp_1 = 321
+	kp_2 = 322
+	kp_3 = 323
+	kp_4 = 324
+	kp_5 = 325
+	kp_6 = 326
+	kp_7 = 327
+	kp_8 = 328
+	kp_9 = 329
+	kp_decimal = 330
+	kp_divide = 331
+	kp_multiply = 332
+	kp_subtract = 333
+	kp_add = 334
+	kp_enter = 335
+	kp_equal = 336
+	left_shift = 340
+	left_control = 341
+	left_alt = 342
+	left_super = 343
+	right_shift = 344
+	right_control = 345
+	right_alt = 346
+	right_super = 347
+	menu = 348
+}