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Diffstat (limited to 'awesome/lib/wibox/container/arcchart.lua')
| -rw-r--r-- | awesome/lib/wibox/container/arcchart.lua | 566 |
1 files changed, 0 insertions, 566 deletions
diff --git a/awesome/lib/wibox/container/arcchart.lua b/awesome/lib/wibox/container/arcchart.lua deleted file mode 100644 index 3794630..0000000 --- a/awesome/lib/wibox/container/arcchart.lua +++ /dev/null @@ -1,566 +0,0 @@ ---------------------------------------------------------------------------- --- --- A circular chart (arc chart). --- --- It can contain a central widget (or not) and display multiple values. --- --- --- --- --- --- @author Emmanuel Lepage Vallee <elv1313@gmail.com> --- @copyright 2013 Emmanuel Lepage Vallee --- @classmod wibox.container.arcchart ---------------------------------------------------------------------------- - -local setmetatable = setmetatable -local base = require("wibox.widget.base") -local shape = require("gears.shape" ) -local util = require( "awful.util" ) -local color = require( "gears.color" ) -local beautiful = require("beautiful" ) - - -local arcchart = { mt = {} } - ---- The progressbar border background color. --- @beautiful beautiful.arcchart_border_color - ---- The progressbar foreground color. --- @beautiful beautiful.arcchart_color - ---- The progressbar border width. --- @beautiful beautiful.arcchart_border_width - ---- The padding between the outline and the progressbar. --- @beautiful beautiful.arcchart_paddings --- @tparam[opt=0] table|number paddings A number or a table --- @tparam[opt=0] number paddings.top --- @tparam[opt=0] number paddings.bottom --- @tparam[opt=0] number paddings.left --- @tparam[opt=0] number paddings.right - ---- The arc thickness. --- @beautiful beautiful.thickness --- @param number - -local function outline_workarea(width, height) - local x, y = 0, 0 - local size = math.min(width, height) - - return {x=x+(width-size)/2, y=y+(height-size)/2, width=size, height=size} -end - --- The child widget area -local function content_workarea(self, width, height) - local padding = self._private.paddings or {} - local border_width = self:get_border_width() or 0 - local wa = outline_workarea(width, height) - local thickness = math.max(border_width, self:get_thickness() or 5) - - wa.x = wa.x + (padding.left or 0) + thickness + 2*border_width - wa.y = wa.y + (padding.top or 0) + thickness + 2*border_width - wa.width = wa.width - (padding.left or 0) - (padding.right or 0) - - 2*thickness - 4*border_width - wa.height = wa.height - (padding.top or 0) - (padding.bottom or 0) - - 2*thickness - 4*border_width - - return wa -end - --- Draw the radial outline and progress -function arcchart:after_draw_children(_, cr, width, height) - cr:restore() - - local values = self:get_values() or {} - local border_width = self:get_border_width() or 0 - local thickness = math.max(border_width, self:get_thickness() or 5) - - local offset = thickness + 2*border_width - - -- Draw a circular background - local bg = self:get_bg() - if bg then - cr:save() - cr:translate(offset/2, offset/2) - shape.circle( - cr, - width-offset, - height-offset - ) - cr:set_line_width(thickness+2*border_width) - cr:set_source(color(bg)) - cr:stroke() - cr:restore() - end - - if #values == 0 then - return - end - - local wa = outline_workarea(width, height) - cr:translate(wa.x+border_width/2, wa.y+border_width/2) - - - -- Get the min and max value - --local min_val = self:get_min_value() or 0 --TODO support min_values - local max_val = self:get_max_value() - local sum = 0 - - if not max_val then - for _, v in ipairs(values) do - sum = sum + v - end - max_val = sum - end - - max_val = math.max(max_val, sum) - - local use_rounded_edges = sum ~= max_val and self:get_rounded_edge() - - -- Fallback to the current foreground color - local colors = self:get_colors() or {} - - -- Draw the outline - local offset_angle = self:get_start_angle() or math.pi - local start_angle, end_angle = offset_angle, offset_angle - - for k, v in ipairs(values) do - end_angle = start_angle + (v*2*math.pi) / max_val - - if colors[k] then - cr:set_source(color(colors[k])) - end - - shape.arc(cr, wa.width-border_width, wa.height-border_width, - thickness+border_width, math.pi-end_angle, math.pi-start_angle, - (use_rounded_edges and k == 1), (use_rounded_edges and k == #values) - ) - - cr:fill() - start_angle = end_angle - end - - if border_width > 0 then - local border_color = self:get_border_color() - - cr:set_source(color(border_color)) - cr:set_line_width(border_width) - - shape.arc(cr, wa.width-border_width, wa.height-border_width, - thickness+border_width, math.pi-end_angle, math.pi-offset_angle, - use_rounded_edges, use_rounded_edges - ) - cr:stroke() - end - -end - --- Set the clip -function arcchart:before_draw_children(_, cr, width, height) - cr:save() - local wa = content_workarea(self, width, height) - cr:translate(wa.x, wa.y) - shape.circle( - cr, - wa.width, - wa.height - ) - cr:clip() - cr:translate(-wa.x, -wa.y) -end - --- Layout this layout -function arcchart:layout(_, width, height) - if self._private.widget then - local wa = content_workarea(self, width, height) - - return { base.place_widget_at( - self._private.widget, wa.x, wa.y, wa.width, wa.height - ) } - end -end - --- Fit this layout into the given area -function arcchart:fit(_, width, height) - local size = math.min(width, height) - return size, size -end - ---- The widget to wrap in a radial proggressbar. --- @property widget --- @tparam widget widget The widget - -function arcchart:set_widget(widget) - if widget then - base.check_widget(widget) - end - self._private.widget = widget - self:emit_signal("widget::layout_changed") -end - ---- Get the children elements. --- @treturn table The children -function arcchart:get_children() - return {self._private.widget} -end - ---- Replace the layout children --- This layout only accept one children, all others will be ignored --- @tparam table children A table composed of valid widgets -function arcchart:set_children(children) - self._private.widget = children and children[1] - self:emit_signal("widget::layout_changed") -end - ---- Reset this layout. The widget will be removed and the rotation reset. -function arcchart:reset() - self:set_widget(nil) -end - -for _,v in ipairs {"left", "right", "top", "bottom"} do - arcchart["set_"..v.."_padding"] = function(self, val) - self._private.paddings = self._private.paddings or {} - self._private.paddings[v] = val - self:emit_signal("widget::redraw_needed") - self:emit_signal("widget::layout_changed") - end -end - ---- The padding between the outline and the progressbar. --- --- --- --- --- @property paddings --- @tparam[opt=0] table|number paddings A number or a table --- @tparam[opt=0] number paddings.top --- @tparam[opt=0] number paddings.bottom --- @tparam[opt=0] number paddings.left --- @tparam[opt=0] number paddings.right - ---- The border background color. --- --- @property border_color - ---- The border foreground color. --- --- @property color - ---- The border width. --- --- --- --- --- @property border_width --- @tparam[opt=3] number border_width - ---- The minimum value. --- @property min_value - ---- The maximum value. --- @property max_value - ---- The radial background. --- --- --- --- --- @property bg --- @param color --- @see gears.color - ---- The value. --- --- --- --- --- @property value --- @tparam number value Between min_value and max_value --- @see values - ---- The values. --- The arcchart is designed to display multiple values at once. Each will be --- shown in table order. --- --- @property values --- @tparam table values An ordered set if values. --- @see value - ---- If the chart has rounded edges. --- --- --- --- --- @property rounded_edge --- @param[opt=false] boolean - ---- The arc thickness. --- --- --- --- --- @property thickness --- @param number - ---- The (radiant) angle where the first value start. --- --- --- --- --- @property start_angle --- @param[opt=math.pi] number A number between 0 and 2*math.pi - -for _, prop in ipairs {"border_width", "border_color", "paddings", "colors", - "rounded_edge", "bg", "thickness", "values", "min_value", "max_value", - "start_angle" } do - arcchart["set_"..prop] = function(self, value) - self._private[prop] = value - self:emit_signal("property::"..prop) - self:emit_signal("widget::redraw_needed") - end - arcchart["get_"..prop] = function(self) - return self._private[prop] or beautiful["arcchart_"..prop] - end -end - -function arcchart:set_paddings(val) - self._private.paddings = type(val) == "number" and { - left = val, - right = val, - top = val, - bottom = val, - } or val or {} - self:emit_signal("property::paddings") - self:emit_signal("widget::redraw_needed") - self:emit_signal("widget::layout_changed") -end - -function arcchart:set_value(value) - self:set_values {value} -end - ---- Returns a new arcchart layout. --- @param[opt] widget The widget to display. --- @function wibox.container.arcchart -local function new(widget) - local ret = base.make_widget(nil, nil, { - enable_properties = true, - }) - - util.table.crush(ret, arcchart) - - ret:set_widget(widget) - - return ret -end - -function arcchart.mt:__call(...) - return new(...) -end - ---Imported documentation - - ---- Get a widex index. --- @param widget The widget to look for --- @param[opt] recursive Also check sub-widgets --- @param[opt] ... Aditional widgets to add at the end of the \"path\" --- @return The index --- @return The parent layout --- @return The path between \"self\" and \"widget\" --- @function index - ---- Get all direct and indirect children widgets. --- This will scan all containers recursively to find widgets --- Warning: This method it prone to stack overflow id the widget, or any of its --- children, contain (directly or indirectly) itself. --- @treturn table The children --- @function get_all_children - ---- Set a declarative widget hierarchy description. --- See [The declarative layout system](../documentation/03-declarative-layout.md.html) --- @param args An array containing the widgets disposition --- @function setup - ---- Force a widget height. --- @property forced_height --- @tparam number|nil height The height (`nil` for automatic) - ---- Force a widget width. --- @property forced_width --- @tparam number|nil width The width (`nil` for automatic) - ---- The widget opacity (transparency). --- @property opacity --- @tparam[opt=1] number opacity The opacity (between 0 and 1) - ---- The widget visibility. --- @property visible --- @param boolean - ---- Set/get a widget's buttons. --- @param _buttons The table of buttons that should bind to the widget. --- @function buttons - ---- Emit a signal and ensure all parent widgets in the hierarchies also --- forward the signal. This is useful to track signals when there is a dynamic --- set of containers and layouts wrapping the widget. --- @tparam string signal_name --- @param ... Other arguments --- @function emit_signal_recursive - ---- When the layout (size) change. --- This signal is emitted when the previous results of `:layout()` and `:fit()` --- are no longer valid. Unless this signal is emitted, `:layout()` and `:fit()` --- must return the same result when called with the same arguments. --- @signal widget::layout_changed --- @see widget::redraw_needed - ---- When the widget content changed. --- This signal is emitted when the content of the widget changes. The widget will --- be redrawn, it is not re-layouted. Put differently, it is assumed that --- `:layout()` and `:fit()` would still return the same results as before. --- @signal widget::redraw_needed --- @see widget::layout_changed - ---- When a mouse button is pressed over the widget. --- @signal button::press --- @tparam number lx The horizontal position relative to the (0,0) position in --- the widget. --- @tparam number ly The vertical position relative to the (0,0) position in the --- widget. --- @tparam number button The button number. --- @tparam table mods The modifiers (mod4, mod1 (alt), Control, Shift) --- @tparam table find_widgets_result The entry from the result of --- @{wibox.drawable:find_widgets} for the position that the mouse hit. --- @tparam wibox.drawable find_widgets_result.drawable The drawable containing --- the widget. --- @tparam widget find_widgets_result.widget The widget being displayed. --- @tparam wibox.hierarchy find_widgets_result.hierarchy The hierarchy --- managing the widget's geometry. --- @tparam number find_widgets_result.x An approximation of the X position that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.y An approximation of the Y position that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.width An approximation of the width that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.height An approximation of the height that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.widget_width The exact width of the widget --- in its local coordinate system. --- @tparam number find_widgets_result.widget_height The exact height of the widget --- in its local coordinate system. --- @see mouse - ---- When a mouse button is released over the widget. --- @signal button::release --- @tparam number lx The horizontal position relative to the (0,0) position in --- the widget. --- @tparam number ly The vertical position relative to the (0,0) position in the --- widget. --- @tparam number button The button number. --- @tparam table mods The modifiers (mod4, mod1 (alt), Control, Shift) --- @tparam table find_widgets_result The entry from the result of --- @{wibox.drawable:find_widgets} for the position that the mouse hit. --- @tparam wibox.drawable find_widgets_result.drawable The drawable containing --- the widget. --- @tparam widget find_widgets_result.widget The widget being displayed. --- @tparam wibox.hierarchy find_widgets_result.hierarchy The hierarchy --- managing the widget's geometry. --- @tparam number find_widgets_result.x An approximation of the X position that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.y An approximation of the Y position that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.width An approximation of the width that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.height An approximation of the height that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.widget_width The exact width of the widget --- in its local coordinate system. --- @tparam number find_widgets_result.widget_height The exact height of the widget --- in its local coordinate system. --- @see mouse - ---- When the mouse enter a widget. --- @signal mouse::enter --- @tparam table find_widgets_result The entry from the result of --- @{wibox.drawable:find_widgets} for the position that the mouse hit. --- @tparam wibox.drawable find_widgets_result.drawable The drawable containing --- the widget. --- @tparam widget find_widgets_result.widget The widget being displayed. --- @tparam wibox.hierarchy find_widgets_result.hierarchy The hierarchy --- managing the widget's geometry. --- @tparam number find_widgets_result.x An approximation of the X position that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.y An approximation of the Y position that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.width An approximation of the width that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.height An approximation of the height that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.widget_width The exact width of the widget --- in its local coordinate system. --- @tparam number find_widgets_result.widget_height The exact height of the widget --- in its local coordinate system. --- @see mouse - ---- When the mouse leave a widget. --- @signal mouse::leave --- @tparam table find_widgets_result The entry from the result of --- @{wibox.drawable:find_widgets} for the position that the mouse hit. --- @tparam wibox.drawable find_widgets_result.drawable The drawable containing --- the widget. --- @tparam widget find_widgets_result.widget The widget being displayed. --- @tparam wibox.hierarchy find_widgets_result.hierarchy The hierarchy --- managing the widget's geometry. --- @tparam number find_widgets_result.x An approximation of the X position that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.y An approximation of the Y position that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.width An approximation of the width that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.height An approximation of the height that --- the widget is visible at on the surface. --- @tparam number find_widgets_result.widget_width The exact width of the widget --- in its local coordinate system. --- @tparam number find_widgets_result.widget_height The exact height of the widget --- in its local coordinate system. --- @see mouse - - ---Imported documentation - - ---- Disconnect to a signal. --- @tparam string name The name of the signal --- @tparam function func The callback that should be disconnected --- @function disconnect_signal - ---- Emit a signal. --- --- @tparam string name The name of the signal --- @param ... Extra arguments for the callback functions. Each connected --- function receives the object as first argument and then any extra arguments --- that are given to emit_signal() --- @function emit_signal - ---- Connect to a signal. --- @tparam string name The name of the signal --- @tparam function func The callback to call when the signal is emitted --- @function connect_signal - ---- Connect to a signal weakly. This allows the callback function to be garbage --- collected and automatically disconnects the signal when that happens. --- --- **Warning:** --- Only use this function if you really, really, really know what you --- are doing. --- @tparam string name The name of the signal --- @tparam function func The callback to call when the signal is emitted --- @function weak_connect_signal - - -return setmetatable(arcchart, arcchart.mt) - --- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80 |