./vdo_cell_menu.lua

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local MAX_COL = 2 
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local MAX_ROW = 2 
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function vdo_cell_menu_init() 
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end 
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function vdo_cell_menu_cleanup() 
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end 
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-- Inherited from Vdo_base_object 
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Vdo_cell_menu = Vdo_base_object:new_base()

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function Vdo_cell_menu:init() 
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```
	local time_offset = 0 
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	self.menu_btn = {} 
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```
	 
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	--Declare and populate buttons with data

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	for i = 0,MAX_ROW,1 do 
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		for j = 0,MAX_COL,1 do 
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			self.menu_btn[i ..j] = Vdo_cell_menu_button:new("menu_btn" ..i ..j, self.handle, self.doc_handle)

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			time_offset = time_offset + .05			 
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			self.menu_btn[i ..j]:animate_in(time_offset)

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		end		 
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	end	 
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```
	 
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	self.menu_grp = Vdo_base_object:new( "menu_grp", self.handle, self.doc_handle )

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	self.cursor_x = 0 
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	self.cursor_y = 0 
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	self:set_alpha(1) 
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```
	 
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	local div_intro_anim_h = vint_object_find("div_intro_anim", self.handle, self.doc_handle)

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	lua_play_anim(div_intro_anim_h, 0) 
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end 
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function Vdo_cell_menu:cleanup() 
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end 
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function Vdo_cell_menu:populate_menu(data, cur_selection, animate_highlight)

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	local index = 0 
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	local hidden_btn = { 
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		label = "", 
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		icon = nil, 
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		is_enabled = false, 
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		is_visible = false, 
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	} 
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```
	 
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```
	--populate buttons with data	 
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	for i = 0,MAX_ROW,1 do 
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		for j = 0,MAX_COL,1 do 
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			local btn_data = hidden_btn 
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			if index <= #data then 
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				btn_data = data[index] 
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			end 
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			self.menu_btn[j ..i]:populate_button(btn_data.label, btn_data.icon, btn_data.is_enabled, btn_data.new_items, btn_data.is_visible, btn_data.can_wrap, btn_data.progress)

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			index = index + 1 
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			self.menu_btn[j ..i]:set_highlight(false)

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		end	 
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	end 
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```
	 
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	if cur_selection ~= nil and cur_selection > -1 and cur_selection < 9 then

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		self:set_id(cur_selection) 
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	else 
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```
		-- get first non-disabled button 
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```
		local found = false 
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		for i = 0,MAX_ROW,1 do 
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			for j = 0,MAX_COL,1 do 
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				if self.menu_btn[j ..i].is_enabled ~= false then

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					if found == false then 
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						found = true 
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```
						 
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						self.cursor_x = j 
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						self.cursor_y = i						 
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					end 
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				end 
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			end 
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		end 
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	end 
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	self:set_highlight(self.cursor_x, self.cursor_y)

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end 
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function Vdo_cell_menu:set_highlight(position_x, position_y)

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	local previous_x = self.cursor_x 
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	local previous_y = self.cursor_y	 
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	--Unhighlight previous option... 
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	self.menu_btn[previous_x .. previous_y]:set_highlight(false)

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	--Highlight new option... 
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	self.menu_btn[position_x .. position_y]:set_highlight(true)

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	--Store positions to self. 
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	self.cursor_x = position_x 
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	self.cursor_y = position_y	 
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end 
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function Vdo_cell_menu:show_highlight(show)

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	local previous_x = self.cursor_x 
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	local previous_y = self.cursor_y	 
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```
		 
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	--Unhighlight previous option... 
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	self.menu_btn[previous_x .. previous_y]:set_highlight(show)

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end 
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-- navigation helper function 
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```
function row_down_wrap(cur_y) 
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	return abs((cur_y + 1) % (MAX_ROW + 1))

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end 
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function row_up_wrap(cur_y) 
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	return abs((cur_y + MAX_ROW) % (MAX_ROW + 1))

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end 
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function column_right_wrap(cur_x) 
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	return abs((cur_x + 1) % (MAX_COL + 1))

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end 
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function column_left_wrap(cur_x) 
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	return abs((cur_x + MAX_COL) % (MAX_COL + 1))

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end 
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function identity(cur) 
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	return cur 
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end 
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-- check if cell button in row / column enabled

function Vdo_cell_menu:search_enabled_cell(cur_x, cur_y, update_x, update_y, try_count)

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	for i = 1, try_count, 1 do 
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		if self.menu_btn[cur_x ..cur_y].is_enabled ~= false then

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			return true, cur_x, cur_y 
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		end 
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		cur_x = update_x(cur_x) 
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		cur_y = update_y(cur_y) 
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	end 
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	return false, 0, 0 
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end 
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function Vdo_cell_menu:nav_up(event, acceleration)

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```

	ui_audio_post_event("UI_Hub_Navigate")

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```
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	local cur_x = self.cursor_x 
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	local cur_y = self.cursor_y 
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	local orig_y = cur_y 
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```
 
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	-- check start column 
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```
	local try_count = MAX_ROW 
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```
	cur_y = row_up_wrap(cur_y) 
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	local found, found_x, found_y = self:search_enabled_cell(cur_x, cur_y, identity, row_up_wrap, try_count)

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	if found then 
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		self:set_highlight(found_x, found_y) 
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		--self:animate_menu(0) 
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		return 
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	end 
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	-- move column left and try again 
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	for i = 1, MAX_COL, 1 do 
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		cur_x = column_left_wrap(cur_x) 
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		cur_y = MAX_COL 
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		try_count = MAX_ROW + 1 
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		found, found_x, found_y = self:search_enabled_cell(cur_x, cur_y, identity, row_up_wrap, try_count)

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		if found then 
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			self:set_highlight(found_x, found_y)

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			--self:animate_menu(0) 
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			return 
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		end 
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	end 
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end 
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function Vdo_cell_menu:nav_down(event, acceleration)

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	ui_audio_post_event("UI_Hub_Navigate")

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	local cur_x = self.cursor_x 
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	local cur_y = self.cursor_y 
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	-- check start column 
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```
	local try_count = MAX_ROW 
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	cur_y = row_down_wrap(cur_y) 
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	local found, found_x, found_y = self:search_enabled_cell(cur_x, cur_y, identity, row_down_wrap, try_count)

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	if found then 
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		self:set_highlight(found_x, found_y) 
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		--self:animate_menu(2) 
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		return 
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	end 
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	-- move column left and try again 
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	for i = 1, MAX_COL, 1 do 
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		cur_x = column_right_wrap(cur_x) 
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		cur_y = 0 
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		try_count = MAX_ROW + 1 
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		found, found_x, found_y = self:search_enabled_cell(cur_x, cur_y, identity, row_up_wrap, try_count)

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		if found then 
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			self:set_highlight(found_x, found_y)

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			--self:animate_menu(2) 
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			return 
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		end 
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	end 
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end 
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function Vdo_cell_menu:nav_left(event, acceleration)

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	ui_audio_post_event("UI_Hub_Navigate")

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```
	local cur_x = self.cursor_x 
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	local cur_y = self.cursor_y 
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```
	 
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	-- check start row 
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```
	local try_count = MAX_COL 
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	cur_x = column_left_wrap(cur_x) 
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	local found, found_x, found_y = self:search_enabled_cell(cur_x, cur_y, column_left_wrap, identity, try_count)

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	if found then 
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		self:set_highlight(found_x, found_y) 
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		--self:animate_menu(3) 
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		return 
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	end 
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```
	 
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	-- move row up and try again 
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	for i = 1, MAX_ROW, 1 do 
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		cur_x = MAX_ROW 
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		cur_y = row_up_wrap(cur_y) 
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		try_count = MAX_ROW + 1 
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		found, found_x, found_y = self:search_enabled_cell(cur_x, cur_y, column_left_wrap, identity, try_count)

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		if found then 
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			self:set_highlight(found_x, found_y)

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			--self:animate_menu(3) 
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			return 
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		end 
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	end 
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end 
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function Vdo_cell_menu:nav_right(event, acceleration)

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	ui_audio_post_event("UI_Hub_Navigate")

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	local cur_x = self.cursor_x 
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	local cur_y = self.cursor_y 
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```
	 
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	-- check start row 
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	local try_count = MAX_COL 
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	cur_x = column_right_wrap(cur_x) 
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	local found, found_x, found_y = self:search_enabled_cell(cur_x, cur_y, column_right_wrap, identity, try_count)

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	if found then 
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		self:set_highlight(found_x, found_y) 
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		--self:animate_menu(1) 
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		return 
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	end 
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```
	 
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	-- move row down and try again 
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```
	for i = 1, MAX_ROW, 1 do 
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```
		cur_x = 0 
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		cur_y = row_down_wrap(cur_y) 
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```
		try_count = MAX_ROW + 1 
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		found, found_x, found_y = self:search_enabled_cell(cur_x, cur_y, column_right_wrap, identity, try_count)

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		if found then 
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			self:set_highlight(found_x, found_y)

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			--self:animate_menu(1) 
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			return 
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		end 
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	end 
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end 
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function Vdo_cell_menu:animate_menu(direction)

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	-- 0 up 
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	-- 1 right 
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	-- 2 down 
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	-- 3 left 
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	local cur_x,cur_y = self.menu_grp:get_anchor()

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	local distance = 10 
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	--[[if direction == 0 then 
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		self.menu_tween:set_start_value(0,cur_y)

		self.menu_tween:set_end_value(0,-1*distance)

		self.menu_tween2:set_start_value(0,-1*distance)

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	elseif direction == 1 then 
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		self.menu_tween:set_start_value(cur_x,0)

		self.menu_tween:set_end_value(distance,0)

		self.menu_tween2:set_start_value(distance,0)

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	elseif direction == 2 then 
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		self.menu_tween:set_start_value(0,cur_y)

		self.menu_tween:set_end_value(0,distance)

		self.menu_tween2:set_start_value(0,distance)

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	elseif direction == 3 then 
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		self.menu_tween:set_start_value(cur_x,0)

		self.menu_tween:set_end_value(-1*distance,0)

		self.menu_tween2:set_start_value(-1*distance,0)

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	end]]-- 
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end 
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function Vdo_cell_menu:get_id() 
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	local max_col_id = MAX_COL + 1 
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	return (self.cursor_y * max_col_id + self.cursor_x)

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end 
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function Vdo_cell_menu:set_id(id) 
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	local max_col_id = MAX_COL + 1 
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	self.cursor_y = abs(floor(id / max_col_id))

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	self.cursor_x = abs(id % max_col_id	) 
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```
		 
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end 
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function Vdo_cell_menu:animate_in() 
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	local div_intro_anim_h = vint_object_find("div_intro_anim", self.handle, self.doc_handle)

	lua_play_anim(div_intro_anim_h, 0, self.doc_handle)

```
	 
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	--Animated Buttons 
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```
	local time_offset = 0 
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	for i = 0,MAX_ROW,1 do 
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		for j = 0,MAX_COL,1 do 
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```
			time_offset = time_offset + .05			 
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			self.menu_btn[i .. j]:animate_in(time_offset)

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		end		 
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	end	 
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end 
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-- =====================================

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--       Mouse Specific Functions 
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-- =====================================

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-- Returns true and sets the highlight to the button if the target_handle matches its image

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-- and if the button is not disabled 
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```
-- 
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function Vdo_cell_menu:select_button(target_handle)

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	for i = 0,MAX_ROW,1 do 
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		for j = 0,MAX_COL,1 do 
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			local button = self.menu_btn[j ..i] 
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			if (button ~= nil) and (button.is_enabled ~= false) and (button.btn_bg_img_h == target_handle) then

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				self:set_highlight(j, i) 
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				return true 
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			end 
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		end 
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	end 
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	return false 
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end 
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function Vdo_cell_menu:add_mouse_inputs(func_prefix, input_tracker, priority)

	if (func_prefix == nil) or (input_tracker == nil) then

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		return 
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	end 
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```
	 
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	-- Set default priority value to 50 
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```
	priority = priority or 50 
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```
	 
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	local mouse_click_function	= func_prefix.."_mouse_click"

	local mouse_move_function	= func_prefix.."_mouse_move"

```
	 
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	-- Add mouse inputs to each of the cell phone button's images

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	for i = 0,MAX_ROW,1 do 
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		for j = 0,MAX_COL,1 do 
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```
			if self.menu_btn[j ..i] ~= nil then 
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				input_tracker:add_mouse_input("mouse_click", mouse_click_function, priority, self.menu_btn[j ..i].btn_bg_img_h)

				input_tracker:add_mouse_input("mouse_move", mouse_move_function, priority, self.menu_btn[j ..i].btn_bg_img_h)

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			end 
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		end 
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	end 
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end 
```