310 lines
8.2 KiB
Lua
310 lines
8.2 KiB
Lua
---------------------------------------------------------------------------
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-- A boolean display widget.
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--
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-- If necessary, themes can implement custom shape:
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--
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--@DOC_wibox_widget_checkbox_custom_EXAMPLE@
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--
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--@DOC_wibox_widget_defaults_checkbox_EXAMPLE@
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-- @author Emmanuel Lepage Valle
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-- @copyright 2010 Emmanuel Lepage Vallee
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-- @widgetmod wibox.widget.checkbox
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-- @supermodule wibox.widget.base
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---------------------------------------------------------------------------
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local color = require( "gears.color" )
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local base = require( "wibox.widget.base" )
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local beautiful = require( "beautiful" )
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local shape = require( "gears.shape" )
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local gtable = require( "gears.table" )
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local checkbox = {}
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--- The outer (unchecked area) border width.
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--
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-- @beautiful beautiful.checkbox_border_width
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-- @param number
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--- The outer (unchecked area) background color, pattern or gradient.
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--
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-- @beautiful beautiful.checkbox_bg
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-- @param color
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--- The outer (unchecked area) border color.
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--
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-- @beautiful beautiful.checkbox_border_color
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-- @param color
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--- The checked part border color.
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--
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-- @beautiful beautiful.checkbox_check_border_color
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-- @param color
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--- The checked part border width.
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--
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-- @beautiful beautiful.checkbox_check_border_width
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-- @param number
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--- The checked part filling color.
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--
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-- @beautiful beautiful.checkbox_check_color
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-- @param number
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--- The outer (unchecked area) shape.
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--
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-- @beautiful beautiful.checkbox_shape
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-- @tparam gears.shape|function shape
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-- @see gears.shape
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--- The checked part shape.
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--
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-- If none is set, then the `shape` property will be used.
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-- @beautiful beautiful.checkbox_check_shape
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-- @tparam gears.shape|function shape
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-- @see gears.shape
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--- The padding between the outline and the progressbar.
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--
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-- @beautiful beautiful.checkbox_paddings
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-- @tparam[opt=0] table|number paddings A number or a table
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-- @tparam[opt=0] number paddings.top
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-- @tparam[opt=0] number paddings.bottom
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-- @tparam[opt=0] number paddings.left
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-- @tparam[opt=0] number paddings.right
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--- The checkbox color.
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--
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-- This will be used for the unchecked part border color and the checked part
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-- filling color. Note that `check_color` and `border_color` have priority
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-- over this property.
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-- @beautiful beautiful.checkbox_color
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-- @param color
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--- The outer (unchecked area) border width.
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--
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-- @property border_width
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-- @tparam number border_width
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-- @propbeautiful
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-- @propemits true false
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--- The outer (unchecked area) background color, pattern or gradient.
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--
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--@DOC_wibox_widget_checkbox_bg_EXAMPLE@
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-- @property bg
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-- @tparam color bg
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-- @propbeautiful
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-- @propemits true false
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--- The outer (unchecked area) border color.
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--
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-- @property border_color
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-- @tparam color border_color
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-- @propbeautiful
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-- @propemits true false
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--- The checked part border color.
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--
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-- @property check_border_color
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-- @tparam color check_border_color
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-- @propbeautiful
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-- @propemits true false
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--- The checked part border width.
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--
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-- @property check_border_width
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-- @tparam number check_border_width
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-- @propbeautiful
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-- @propemits true false
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--- The checked part filling color.
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--
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-- @property check_color
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-- @tparam color check_color
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-- @propbeautiful
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-- @propemits true false
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--- The outer (unchecked area) shape.
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--
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--@DOC_wibox_widget_checkbox_shape_EXAMPLE@
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-- @property shape
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-- @tparam gears.shape shape
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-- @propbeautiful
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-- @propemits true false
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-- @see gears.shape
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--- The checked part shape.
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--
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-- If none is set, then the `shape` property will be used.
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--@DOC_wibox_widget_checkbox_check_shape_EXAMPLE@
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-- @property check_shape
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-- @tparam gears.shape shape
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-- @propbeautiful
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-- @propemits true false
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-- @see gears.shape
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--- The padding between the outline and the progressbar.
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--
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-- @property paddings
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-- @tparam[opt=0] table|number paddings A number or a table
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-- @tparam[opt=0] number paddings.top
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-- @tparam[opt=0] number paddings.bottom
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-- @tparam[opt=0] number paddings.left
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-- @tparam[opt=0] number paddings.right
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-- @propbeautiful
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-- @propemits false false
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--- The checkbox color.
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--
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-- This will be used for the unchecked part border color and the checked part
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-- filling color. Note that `check_color` and `border_color` have priority
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-- over this property.
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-- @property color
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-- @tparam color color
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-- @propbeautiful
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-- @propemits true false
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local function outline_workarea(self, width, height)
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local offset = (self._private.border_width or
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beautiful.checkbox_border_width or 1)/2
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return {
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x = offset,
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y = offset,
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width = width-2*offset,
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height = height-2*offset
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}
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end
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-- The child widget area
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local function content_workarea(self, width, height)
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local padding = self._private.paddings or {}
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local offset = self:get_check_border_width() or 0
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local wa = outline_workarea(self, width, height)
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wa.x = offset + wa.x + (padding.left or 1)
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wa.y = offset + wa.y + (padding.top or 1)
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wa.width = wa.width - (padding.left or 1) - (padding.right or 1) - 2*offset
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wa.height = wa.height - (padding.top or 1) - (padding.bottom or 1) - 2*offset
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return wa
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end
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local function draw(self, _, cr, width, height)
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local size = math.min(width, height)
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local background_shape = self:get_shape() or shape.rectangle
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local border_width = self:get_border_width() or 1
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local main_color = self:get_color()
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local bg = self:get_bg()
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local border_color = self:get_border_color()
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-- If no color is set, it will fallback to the default one
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if border_color or main_color then
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cr:set_source(color(border_color or main_color))
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end
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local wa = outline_workarea(self, size, size)
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cr:translate(wa.x, wa.y)
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background_shape(cr, wa.width, wa.height)
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cr:set_line_width(border_width)
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if bg then
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cr:save()
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cr:set_source(color(bg))
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cr:fill_preserve()
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cr:restore()
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end
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cr:stroke()
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cr:translate(-wa.x, -wa.y)
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-- Draw the checked part
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if self._private.checked then
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local col = self:get_check_color() or main_color
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border_color = self:get_check_border_color()
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border_width = self:get_check_border_width() or 0
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local check_shape = self:get_check_shape() or background_shape
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wa = content_workarea(self, size, size)
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cr:translate(wa.x, wa.y)
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check_shape(cr, wa.width, wa.height)
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if col then
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cr:set_source(color(col))
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end
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if border_width > 0 then
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cr:fill_preserve()
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cr:set_line_width(border_width)
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cr:set_source(color(border_color))
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cr:stroke()
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else
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cr:fill()
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end
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end
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end
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local function fit(_, _, w, h)
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local size = math.min(w, h)
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return size, size
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end
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--- If the checkbox is checked.
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-- @property checked
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-- @param boolean
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for _, prop in ipairs {"border_width", "bg", "border_color", "check_border_color",
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"check_border_width", "check_color", "shape", "check_shape", "paddings",
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"checked", "color" } do
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checkbox["set_"..prop] = function(self, value)
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self._private[prop] = value
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self:emit_signal("property::"..prop, value)
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self:emit_signal("widget::redraw_needed")
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end
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checkbox["get_"..prop] = function(self)
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return self._private[prop] or beautiful["checkbox_"..prop]
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end
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end
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function checkbox:set_paddings(val)
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self._private.paddings = type(val) == "number" and {
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left = val,
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right = val,
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top = val,
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bottom = val,
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} or val or {}
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self:emit_signal("property::paddings")
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self:emit_signal("widget::redraw_needed")
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end
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--- Create a new checkbox.
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-- @constructorfct wibox.widget.checkbox
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-- @tparam[opt=false] boolean checked
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-- @tparam[opt] table args
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-- @tparam gears.color args.color The color.
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local function new(checked, args)
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checked, args = checked or false, args or {}
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local ret = base.make_widget(nil, nil, {
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enable_properties = true,
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})
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gtable.crush(ret, checkbox)
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ret._private.checked = checked
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ret._private.color = args.color and color(args.color) or nil
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rawset(ret, "fit" , fit )
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rawset(ret, "draw", draw)
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return ret
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end
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return setmetatable({}, { __call = function(_, ...) return new(...) end})
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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