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@ -43,18 +43,20 @@ local Blitbuffer = require("ffi/blitbuffer")
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local ButtonTable = require("ui/widget/buttontable")
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local CenterContainer = require("ui/widget/container/centercontainer")
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local Device = require("device")
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local Font = require("ui/font")
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local FrameContainer = require("ui/widget/container/framecontainer")
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local Geom = require("ui/geometry")
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local GestureRange = require("ui/gesturerange")
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local InputContainer = require("ui/widget/container/inputcontainer")
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local LineWidget = require("ui/widget/linewidget")
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local MovableContainer = require("ui/widget/container/movablecontainer")
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local ScrollableContainer = require("ui/widget/container/scrollablecontainer")
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local Size = require("ui/size")
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local TextBoxWidget = require("ui/widget/textboxwidget")
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local UIManager = require("ui/uimanager")
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local VerticalGroup = require("ui/widget/verticalgroup")
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local VerticalSpan = require("ui/widget/verticalspan")
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local _ = require("gettext")
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local Screen = require("device").screen
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local Screen = Device.screen
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local ButtonDialog = InputContainer:extend{
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buttons = nil,
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@ -67,6 +69,17 @@ local ButtonDialog = InputContainer:extend{
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-- If scrolling, prefers using this/these numbers of buttons rows per page
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-- (depending on what the screen height allows) to compute the height.
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rows_per_page = nil, -- number or array of numbers
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title = nil,
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title_align = "left",
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title_face = Font:getFace("x_smalltfont"),
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title_padding = Size.padding.large,
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title_margin = Size.margin.title,
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use_info_style = true, -- set to false to have bold font style of the title
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info_face = Font:getFace("infofont"),
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info_padding = Size.padding.default,
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info_margin = Size.margin.default,
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dismissable = true, -- set to false if any button callback is required
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}
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function ButtonDialog:init()
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@ -76,25 +89,59 @@ function ButtonDialog:init()
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end
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self.width = math.floor(math.min(Screen:getWidth(), Screen:getHeight()) * self.width_factor)
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end
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if Device:hasKeys() then
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local close_keys = Device:hasFewKeys() and { "Back", "Left" } or Device.input.group.Back
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self.key_events.Close = { { close_keys } }
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end
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if Device:isTouchDevice() then
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self.ges_events.TapClose = {
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GestureRange:new{
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ges = "tap",
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range = Geom:new{
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x = 0, y = 0,
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w = Screen:getWidth(),
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h = Screen:getHeight(),
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if self.dismissable then
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if Device:hasKeys() then
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local close_keys = Device:hasFewKeys() and { "Back", "Left" } or Device.input.group.Back
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self.key_events.Close = { { close_keys } }
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end
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if Device:isTouchDevice() then
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self.ges_events.TapClose = {
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GestureRange:new{
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ges = "tap",
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range = Geom:new{
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x = 0, y = 0,
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w = Screen:getWidth(),
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h = Screen:getHeight(),
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}
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}
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}
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end
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end
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local content_width = self.width - 2*Size.border.window - 2*Size.padding.button
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local title_widget, title_widget_height
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if self.title then
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local title_padding, title_margin, title_face
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if self.use_info_style then
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title_padding = self.info_padding
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title_margin = self.info_margin
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title_face = self.info_face
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else
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title_padding = self.title_padding
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title_margin = self.title_margin
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title_face = self.title_face
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end
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title_widget = FrameContainer:new{
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padding = title_padding,
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margin = title_margin,
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bordersize = 0,
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TextBoxWidget:new{
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text = self.title,
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width = content_width - 2 * (title_padding + title_margin),
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face = title_face,
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alignment = self.title_align,
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},
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}
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title_widget_height = title_widget:getSize().h + Size.line.medium
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else
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title_widget = VerticalSpan:new{}
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title_widget_height = 0
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end
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self.buttontable = ButtonTable:new{
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buttons = self.buttons,
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width = self.width - 2*Size.border.window - 2*Size.padding.button,
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width = content_width,
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shrink_unneeded_width = self.shrink_unneeded_width,
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shrink_min_width = self.shrink_min_width,
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show_parent = self,
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@ -102,9 +149,9 @@ function ButtonDialog:init()
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-- If the ButtonTable ends up being taller than the screen, wrap it inside a ScrollableContainer.
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-- Ensure some small top and bottom padding, so the scrollbar stand out, and some outer margin
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-- so the this dialog does not take the full height and stand as a popup.
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local max_height = Screen:getHeight() - 2*Size.padding.buttontable - 2*Size.margin.default
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local max_height = Screen:getHeight() - 2*Size.padding.buttontable - 2*Size.margin.default - title_widget_height
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local height = self.buttontable:getSize().h
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local scontainer
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local scontainer, scrollbar_width
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if height > max_height then
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-- Adjust the ScrollableContainer to an integer multiple of the row height
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-- (assuming all rows get the same height), so when scrolling per page,
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@ -129,11 +176,12 @@ function ButtonDialog:init()
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end
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-- (Comment the next line to test ScrollableContainer behaviour when things do not fit)
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max_height = row_height * fit_rows
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scrollbar_width = ScrollableContainer:getScrollbarWidth()
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self.cropping_widget = ScrollableContainer:new{
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dimen = Geom:new{
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-- We'll be exceeding the provided width in this case (let's not bother
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-- ensuring it, we'd need to re-setup the ButtonTable...)
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w = self.buttontable:getSize().w + ScrollableContainer:getScrollbarWidth(),
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w = self.buttontable:getSize().w + scrollbar_width,
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h = max_height,
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},
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show_parent = self,
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@ -146,20 +194,36 @@ function ButtonDialog:init()
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VerticalSpan:new{ width=Size.padding.buttontable },
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}
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end
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local separator
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if self.title then
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separator = LineWidget:new{
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background = Blitbuffer.COLOR_GRAY,
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dimen = Geom:new{
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w = content_width + (scrollbar_width or 0),
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h = Size.line.medium,
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},
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}
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else
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separator = VerticalSpan:new{}
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end
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self.movable = MovableContainer:new{
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alpha = self.alpha,
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anchor = self.anchor,
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FrameContainer:new{
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alpha = self.alpha,
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anchor = self.anchor,
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FrameContainer:new{
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background = Blitbuffer.COLOR_WHITE,
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bordersize = Size.border.window,
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radius = Size.radius.window,
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padding = Size.padding.button,
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-- No padding at top or bottom to make all buttons
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-- look the same size
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padding_top = 0,
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padding_bottom = 0,
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VerticalGroup:new{
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title_widget,
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separator,
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scontainer or self.buttontable,
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background = Blitbuffer.COLOR_WHITE,
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bordersize = Size.border.window,
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radius = Size.radius.window,
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padding = Size.padding.button,
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-- No padding at top or bottom to make all buttons
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-- look the same size
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padding_top = 0,
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padding_bottom = 0,
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}
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},
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}
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}
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self[1] = CenterContainer:new{
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@ -184,6 +248,13 @@ function ButtonDialog:setScrolledOffset(offset_point)
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end
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end
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function ButtonDialog:setTitle(title)
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self.title = title
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self:free()
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self:init()
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UIManager:setDirty("all", "ui")
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end
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function ButtonDialog:onShow()
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UIManager:setDirty(self, function()
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return "ui", self.movable.dimen
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