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https://github.com/airstruck/luigi.git
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reorganize themes, see #42
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airstruck
251
luigi/engine/alpha.lua
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251
luigi/engine/alpha.lua
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local RESOURCE = (...):gsub('%.', '/') .. '/'
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return function (config)
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config = config or {}
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local resources = assert(config.resources, 'missing config.resources')
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local backColor = config.backColor or { 240, 240, 240 }
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local lineColor = config.lineColor or { 220, 220, 220 }
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local textColor = config.textColor or { 0, 0, 0 }
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local highlight = config.highlight or { 0x19, 0xAE, 0xFF }
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local button_pressed = resources .. 'button_pressed.png'
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local button_focused = resources .. 'button_focused.png'
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local button_hovered = resources .. 'button_hovered.png'
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local button = resources .. 'button.png'
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local check_checked_pressed = resources .. 'check_checked_pressed.png'
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local check_unchecked_pressed = resources .. 'check_unchecked_pressed.png'
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local check_checked_focused = resources .. 'check_checked_focused.png'
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local check_unchecked_focused = resources .. 'check_unchecked_focused.png'
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local check_checked = resources .. 'check_checked.png'
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local check_unchecked = resources .. 'check_unchecked.png'
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local radio_checked_pressed = resources .. 'radio_checked_pressed.png'
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local radio_unchecked_pressed = resources .. 'radio_unchecked_pressed.png'
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local radio_checked_focused = resources .. 'radio_checked_focused.png'
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local radio_unchecked_focused = resources .. 'radio_unchecked_focused.png'
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local radio_checked = resources .. 'radio_checked.png'
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local radio_unchecked = resources .. 'radio_unchecked.png'
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local triangle_left = resources .. 'triangle_left.png'
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local triangle_up = resources .. 'triangle_up.png'
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local triangle_right = resources .. 'triangle_right.png'
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local triangle_down = resources .. 'triangle_down.png'
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local text_focused = resources .. 'text_focused.png'
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local text = resources .. 'text.png'
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local function getButtonSlices (self)
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return self.pressed.left and button_pressed
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or self.focused and button_focused
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or self.hovered and button_hovered
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or button
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end
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local function getCheckIcon (self)
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if self.pressed.left then
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return self.value and check_checked_pressed
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or check_unchecked_pressed
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end
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if self.focused then
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return self.value and check_checked_focused
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or check_unchecked_focused
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end
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return self.value and check_checked or check_unchecked
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end
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local function getControlHeight (self)
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return self.flow == 'x' and self._defaultDimension
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end
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local function getControlWidth (self)
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return self.flow ~= 'x' and self._defaultDimension
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end
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local function getMenuItemBackground (self)
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return self.active and highlight
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end
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local function getRadioIcon (self)
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if self.pressed.left then
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return self.value and radio_checked_pressed
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or radio_unchecked_pressed
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end
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if self.focused then
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return self.value and radio_checked_focused
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or radio_unchecked_focused
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end
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return self.value and radio_checked or radio_unchecked
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end
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local function getSashBackground (self)
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return self.hovered and highlight or lineColor
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end
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local function getSashHeight (self)
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return self.parent and self.parent.flow ~= 'x' and 4
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end
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local function getSashWidth (self)
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return self.parent and self.parent.flow == 'x' and 4
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end
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local function getSliderThumbWidth (self)
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return self.parent.flow == 'x' and 32 or false
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end
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local function getSliderThumbHeight (self)
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return self.parent.flow ~= 'x' and 32 or false
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end
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local function getStepperBeforeIcon (self)
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return self.parent.flow == 'x' and triangle_left or triangle_up
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end
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local function getStepperAfterIcon (self)
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return self.parent.flow == 'x' and triangle_right or triangle_down
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end
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local function getTextSlices (self)
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return self.focused and text_focused or text
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end
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return {
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-- generic types for widgets to inherit
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Control = {
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flow = 'x',
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height = getControlHeight,
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width = getControlWidth,
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color = textColor,
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align = 'center middle',
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margin = 2,
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color = textColor,
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solid = true,
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_defaultDimension = 36,
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},
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Line = {
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margin = 0,
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padding = 4,
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align = 'left middle',
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_defaultDimension = 24,
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},
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-- widget types
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button = {
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type = { 'Control' },
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padding = 6,
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slices = getButtonSlices,
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focusable = true,
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},
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check = {
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type = { 'Line', 'Control' },
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focusable = true,
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icon = getCheckIcon,
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},
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label = {
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type = { 'Line', 'Control' },
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},
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menu = {
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flow = 'x',
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height = 24,
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background = backColor,
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color = textColor,
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},
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['menu.expander'] = {
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icon = resources .. 'triangle_right.png',
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},
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['menu.item'] = {
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padding = 4,
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height = 24,
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align = 'left middle',
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background = getMenuItemBackground,
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},
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panel = {
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padding = 2,
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background = backColor,
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color = textColor,
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solid = true,
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},
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progress = {
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type = { 'Control' },
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slices = resources .. 'button_pressed.png',
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},
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['progress.bar'] = {
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slices = resources .. 'progress.png',
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minwidth = 12,
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minheight = 22,
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},
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radio = {
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type = { 'Line', 'Control' },
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focusable = true,
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icon = getRadioIcon,
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},
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sash = {
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background = getSashBackground,
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height = getSashHeight,
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width = getSashWidth,
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},
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slider = {
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type = { 'Control' },
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slices = resources .. 'button_pressed.png',
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},
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['slider.thumb'] = {
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type = { 'button' },
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align = 'middle center',
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margin = 0,
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width = getSliderThumbWidth,
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height = getSliderThumbHeight,
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},
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status = {
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type = { 'Line', 'Control' },
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background = backColor,
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color = textColor,
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},
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stepper = {
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type = { 'Control' },
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slices = resources .. 'button_pressed.png',
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},
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['stepper.after'] = {
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type = { 'button' },
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icon = getStepperAfterIcon,
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margin = 0,
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minwidth = 32,
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minheight = 32,
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},
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['stepper.before'] = {
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type = { 'button' },
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icon = getStepperBeforeIcon,
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margin = 0,
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minwidth = 32,
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minheight = 32,
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},
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['stepper.item'] = {
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align = 'center middle',
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color = textColor,
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},
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['stepper.view'] = {
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margin = 4,
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},
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submenu = {
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padding = 10,
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margin = -10,
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slices = resources .. 'submenu.png',
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color = textColor,
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solid = true,
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},
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text = {
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type = { 'Control' },
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align = 'left middle',
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slices = getTextSlices,
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padding = 6,
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focusable = true,
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cursor = 'ibeam',
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highlight = highlight,
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},
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}
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end
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