./vdo_row.lua

```
function vdo_row_init() 
```
```
end 
```
```
 
```
```
function vdo_row_cleanup() 
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end 
```
```
 
```
```
-- Inherited from Vdo_base_object 
```
```
Vdo_row = Vdo_base_object:new_base() 
```
```
 
```

COLOR_PAUSE_BUTTON_TOGGLE_TEXT_UNSELECTED = {R = 194/255, G = 201/255; B = 204/255}

COLOR_PAUSE_BUTTON_TOGGLE_TEXT_SELECTED = {R = 0/255, G = 0/255; B = 0/255}

```
 
```
```
local SELECTED_SCALE = 1.0 
```
```
local UNSELECTED_SCALE = 1.0 
```

PAUSE_ROW_ITEM_MIN_SPACING = 40 		--Spacing between columns

```
 
```
```
function Vdo_row:init() 
```
```
	self.columns = { 
```

		{h = vint_object_find("row_item_1", self.handle), x = 0, width = 0, enabled = true, alignment = ALIGN_LEFT},

		{h = vint_object_find("row_item_2", self.handle), x = 0, width = 0, enabled = true, alignment = ALIGN_LEFT},

		{h = vint_object_find("row_item_3", self.handle), x = 0, width = 0, enabled = true, alignment = ALIGN_LEFT},

		{h = vint_object_find("row_item_4", self.handle), x = 0, width = 0, enabled = true, alignment = ALIGN_LEFT},

```
	} 
```
```
	--default column count... 
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```
	self.column_count = 4 
```
```
end 
```
```
 
```

--------------------------------------------------------------------------------

```
-- Set font scale of entire row. 
```
```
-- 
```

function Vdo_row:set_font_scale(font_scale)

	for idx, val in pairs(self.columns) do

		vint_set_property(val.h, "text_scale", font_scale, font_scale)

```
	end 
```
```
end 
```
```
	 
```
```
 
```

--------------------------------------------------------------------------------

```
-- Sets the text value of each column 
```

-- only supports 4 arguments for 4 columsn

```
function Vdo_row:set_value(...) 
```
```
	for idx = 1, #self.columns do 
```
```
		local label = arg[idx] 
```
```
		local h = self.columns[idx].h 
```
```
		local col = self.columns[idx] 
```

		if label ~= nil and label ~= "" and idx <= self.column_count then

			vint_set_property(h, "text_tag", label)

			vint_set_property(h, "visible", true)

			col.width = floor(element_get_actual_size(h))

```
		else 
```

			debug_print("vint", "idx: " .. idx .. "\n")

			vint_set_property(h, "visible", false)

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			col.width = 0 
```
```
		end 
```
```
	end 
```
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end 
```
```
 
```

-------------------------------------------------------------------------------

-- Sets the position of col_2, col_3, and col_4

--	@param col_1	largest width of column 1

--	@param col_2	largest width of column 2

--	@param col_3	largest width of column 3

--	@param col_4	largest width of column 4

-------------------------------------------------------------------------------

```
function Vdo_row:format_columns(...) 
```
```
	local x = 0 
```
```
	local total_width = 0 
```
```
	local count = 0 
```
```
	 
```
```
	for idx = 1, self.column_count do 
```
```
		local col_width = arg[idx] 
```

		--this could be different depending on what come up with below, alignment means different width...

		total_width = total_width + col_width

```
		if idx > 1 then 
```

			total_width = total_width + PAUSE_ROW_ITEM_MIN_SPACING

```
		end 
```
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	end 
```
```
 
```

	--Hardcoding size of indent from left side... and an extra 5 for padding...

```
	total_width  = total_width + 45 
```
```
 
```
```
	if total_width < self.max_width then 
```

		local extra_width = self.max_width - total_width

		local extra_width_per_item = extra_width / (self.column_count)

```
		for idx = 1, self.column_count do 
```
```
			local col = arg[idx] 
```

			arg[idx] = floor(col + extra_width_per_item)

```
		end 
```
```
	end 
```
```
 
```
```
	for idx = 1, self.column_count do 
```
```
		local label = arg[idx] 
```
```
		local h = self.columns[idx].h 
```

		local alignment = self.columns[idx].alignment

```
		local new_width = 0 
```
```
		local prev_width = 0 
```
```
 
```

		local original_x, original_y = vint_get_property(h, "anchor")

```
		 
```
```
		if idx == 1 then 
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			--first item is always left aligned...

```
			x = 0 
```
```
		else 
```

			if self.columns[idx - 1].alignment == ALIGN_LEFT then

```
				if alignment == ALIGN_LEFT then 
```
```
					prev_width = arg[idx - 1] 
```
```
					x = x + prev_width 
```
```
				else 
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```
					prev_width = arg[idx - 1] 
```
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					new_width = arg[idx] 
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```
					x = x + prev_width + new_width 
```
```
				end 
```
```
			else 
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```
				--previous item is align right 
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```
				 
```
```
				if alignment == ALIGN_LEFT then 
```
```
					prev_width = arg[idx - 1] 
```
```
					x = x 
```
```
				else 
```
```
					--this item is align right... 
```
```
					new_width = arg[idx] 
```
```
					x = x + new_width 
```
```
				end 
```
```
			end 
```
```
			--Add spacing... 
```
```
			x = x + PAUSE_ROW_ITEM_MIN_SPACING 
```
```
		end 
```
```
 
```
```
		 self.columns[idx].x = x 
```

		vint_set_property(h, "anchor", x, original_y)

```
	end 
```
```
	 
```

	--make sure we include the indenting in our final width...

```
	self.width = x + 45 
```
```
end 
```
```
 
```

-------------------------------------------------------------------------------

```
-- Returns column widths of pause row 
```
```
-- @return	width of col_1 
```
```
-- @return	width of col_2 
```
```
-- @return	width of col_3 
```
```
-- @return	width of col_4 
```

-------------------------------------------------------------------------------

```
function Vdo_row:get_column_widths() 
```

	return self.columns[1].width, self.columns[2].width, self.columns[3].width, self.columns[4].width

```
end 
```
```
 
```
```
 
```

-------------------------------------------------------------------------------

-- Returns the column positions of each element...

```
-- 
```

function Vdo_row:get_column_positions()

	return self.columns[1].x, self.columns[2].x, self.columns[3].x, self.columns[4].x

```
end 
```
```
 
```

-------------------------------------------------------------------------------

-- Returns the width stored from when we formated the row.

```
-- 
```
```
function Vdo_row:get_width() 
```
```
	return self.width 
```
```
end 
```
```
 
```
```
 
```

-------------------------------------------------------------------------------

-- Sets the max width that the row could be, so we can stretch really wide

```
-- if the list requests it. 
```
```
-- 
```

function Vdo_row:set_max_width(max_width)

```
	self.max_width = max_width 
```
```
end 
```
```
 
```

-- Sets the highlighted state of the slider to on or off (will eventually have grayed out here too)

function Vdo_row:set_highlight(is_highlighted)

```
	if is_highlighted then 
```

		for idx, val in pairs(self.columns) do

			vint_set_property(val.h, "tint", COLOR_PAUSE_BUTTON_TOGGLE_TEXT_SELECTED.R, COLOR_PAUSE_BUTTON_TOGGLE_TEXT_SELECTED.G, COLOR_PAUSE_BUTTON_TOGGLE_TEXT_SELECTED.B)

			vint_set_property(val.h, "scale", SELECTED_SCALE, SELECTED_SCALE)

```
		end 
```
```
	else 
```

		for idx, val in pairs(self.columns) do

			vint_set_property(val.h, "tint", COLOR_PAUSE_BUTTON_TOGGLE_TEXT_UNSELECTED.R, COLOR_PAUSE_BUTTON_TOGGLE_TEXT_UNSELECTED.G, COLOR_PAUSE_BUTTON_TOGGLE_TEXT_UNSELECTED.B)

			vint_set_property(val.h, "scale", UNSELECTED_SCALE, UNSELECTED_SCALE)

```
		end 
```
```
	end 
```
```
end 
```
```
 
```
```
-- Sets the alignment for the columns 
```

-- arg1 = column 1, ALIGN_LEFT or ALIGN_RIGHT

```
function Vdo_row:set_alignment(...) 
```

	for idx, val in pairs(self.columns) do

```
		local alignment = arg[idx] 
```
```
		 
```
```
		local auto_offset = "w" 
```
```
		if alignment == ALIGN_RIGHT then 
```
```
			auto_offset = "e" 
```
```
		end 
```
```
		 
```

		vint_set_property(val.h, "auto_offset", auto_offset)

```
		val.alignment = alignment 
```
```
	end 
```
```
end 
```
```
 
```

-------------------------------------------------------------------------------

-- Sets the number of columns used in the mewnu...

```
-- @param	#of columns 
```
```
-- 
```

function Vdo_row:set_column_count(column_count)

```
	self.column_count = column_count 
```
```
end 
```