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Diffstat (limited to 'awesome/lib/wibox/widget/graph.lua')
| -rw-r--r-- | awesome/lib/wibox/widget/graph.lua | 575 |
1 files changed, 0 insertions, 575 deletions
diff --git a/awesome/lib/wibox/widget/graph.lua b/awesome/lib/wibox/widget/graph.lua deleted file mode 100644 index c03c726..0000000 --- a/awesome/lib/wibox/widget/graph.lua +++ /dev/null @@ -1,575 +0,0 @@ ---------------------------------------------------------------------------- ---- A graph widget. --- --- The graph goes from left to right. To change this to right to left, use --- a `wibox.container.mirror` widget. This can also be used to have data --- shown from top to bottom. --- --- To add text on top of the graph, use a `wibox.layout.stack` and a --- `wibox.container.align` widgets. --- --- To display the graph vertically, use a `wibox.container.rotate` widget. --- --- --- --- --- --- @usage ---wibox.widget { --- max_value = 29, --- widget = wibox.widget.graph ---} --- @author Julien Danjou <julien@danjou.info> --- @copyright 2009 Julien Danjou --- @classmod wibox.widget.graph ---------------------------------------------------------------------------- - -local setmetatable = setmetatable -local ipairs = ipairs -local math = math -local table = table -local type = type -local color = require("gears.color") -local base = require("wibox.widget.base") -local beautiful = require("beautiful") - -local graph = { mt = {} } - ---- Set the graph border color. --- If the value is nil, no border will be drawn. --- --- @property border_color --- @tparam gears.color border_color The border color to set. --- @see gears.color - ---- Set the graph foreground color. --- --- @property color --- @tparam color color The graph color. --- @see gears.color - ---- Set the graph background color. --- --- @property background_color --- @tparam gears.color background_color The graph background color. --- @see gears.color - ---- Set the maximum value the graph should handle. --- If "scale" is also set, the graph never scales up below this value, but it --- automatically scales down to make all data fit. --- --- @property max_value --- @param number - ---- The minimum value. --- Note that the min_value is not supported when used along with the stack --- property. --- @property min_value --- @param number - ---- Set the graph to automatically scale its values. Default is false. --- --- @property scale --- @param boolean - ---- Set the width or the individual steps. --- --- Note that it isn't supported when used along with stacked graphs. --- --- --- --- --- --- @usage ---wibox.widget { --- max_value = 29, --- step_width = 3, --- step_spacing = 1, --- step_shape = function(cr, width, height) --- gears.shape.rounded_rect(cr, width, height, 2) --- end, --- widget = wibox.widget.graph ---} --- --- @property step_width --- @param[opt=1] number - ---- Set the spacing between the steps. --- --- Note that it isn't supported when used along with stacked graphs. --- --- @property step_spacing --- @param[opt=0] number - ---- The step shape. --- @property step_shape --- @param[opt=rectangle] shape --- @see gears.shape - ---- Set the graph to draw stacks. Default is false. --- --- @property stack --- @param boolean - ---- Set the graph stacking colors. Order matters. --- --- @property stack_colors --- @param stack_colors A table with stacking colors. - ---- The graph background color. --- @beautiful beautiful.graph_bg - ---- The graph foreground color. --- @beautiful beautiful.graph_fg - ---- The graph border color. --- @beautiful beautiful.graph_border_color - -local properties = { "width", "height", "border_color", "stack", - "stack_colors", "color", "background_color", - "max_value", "scale", "min_value", "step_shape", - "step_spacing", "step_width" } - -function graph.draw(_graph, _, cr, width, height) - local max_value = _graph._private.max_value - local min_value = _graph._private.min_value or ( - _graph._private.scale and math.huge or 0) - local values = _graph._private.values - - local step_shape = _graph._private.step_shape - local step_spacing = _graph._private.step_spacing or 0 - local step_width = _graph._private.step_width or 1 - - cr:set_line_width(1) - - -- Draw the background first - cr:set_source(color(_graph._private.background_color or beautiful.graph_bg or "#000000aa")) - cr:paint() - - -- Account for the border width - cr:save() - if _graph._private.border_color then - cr:translate(1, 1) - width, height = width - 2, height - 2 - end - - -- Draw a stacked graph - if _graph._private.stack then - - if _graph._private.scale then - for _, v in ipairs(values) do - for _, sv in ipairs(v) do - if sv > max_value then - max_value = sv - end - if min_value > sv then - min_value = sv - end - end - end - end - - for i = 0, width do - local rel_i = 0 - local rel_x = i + 0.5 - - if _graph._private.stack_colors then - for idx, col in ipairs(_graph._private.stack_colors) do - local stack_values = values[idx] - if stack_values and i < #stack_values then - local value = stack_values[#stack_values - i] + rel_i - cr:move_to(rel_x, height * (1 - (rel_i / max_value))) - cr:line_to(rel_x, height * (1 - (value / max_value))) - cr:set_source(color(col or beautiful.graph_fg or "#ff0000")) - cr:stroke() - rel_i = value - end - end - end - end - else - if _graph._private.scale then - for _, v in ipairs(values) do - if v > max_value then - max_value = v - end - if min_value > v then - min_value = v - end - end - end - - -- Draw the background on no value - if #values ~= 0 then - -- Draw reverse - for i = 0, #values - 1 do - local value = values[#values - i] - if value >= 0 then - local x = i*step_width + ((i-1)*step_spacing) + 0.5 - value = (value - min_value) / max_value - cr:move_to(x, height * (1 - value)) - - if step_shape then - cr:translate(step_width + (i>1 and step_spacing or 0), height * (1 - value)) - step_shape(cr, step_width, height) - cr:translate(0, -(height * (1 - value))) - elseif step_width > 1 then - cr:rectangle(x, height * (1 - value), step_width, height) - else - cr:line_to(x, height) - end - end - end - cr:set_source(color(_graph._private.color or beautiful.graph_fg or "#ff0000")) - - if step_shape or step_width > 1 then - cr:fill() - else - cr:stroke() - end - end - - end - - -- Undo the cr:translate() for the border and step shapes - cr:restore() - - -- Draw the border last so that it overlaps already drawn values - if _graph._private.border_color then - -- We decremented these by two above - width, height = width + 2, height + 2 - - -- Draw the border - cr:rectangle(0.5, 0.5, width - 1, height - 1) - cr:set_source(color(_graph._private.border_color or beautiful.graph_border_color or "#ffffff")) - cr:stroke() - end -end - -function graph.fit(_graph) - return _graph._private.width, _graph._private.height -end - ---- Add a value to the graph --- --- @param value The value to be added to the graph --- @param group The stack color group index. -function graph:add_value(value, group) - value = value or 0 - local values = self._private.values - local max_value = self._private.max_value - value = math.max(0, value) - if not self._private.scale then - value = math.min(max_value, value) - end - - if self._private.stack and group then - if not self._private.values[group] - or type(self._private.values[group]) ~= "table" - then - self._private.values[group] = {} - end - values = self._private.values[group] - end - table.insert(values, value) - - local border_width = 0 - if self._private.border_color then border_width = 2 end - - -- Ensure we never have more data than we can draw - while #values > self._private.width - border_width do - table.remove(values, 1) - end - - self:emit_signal("widget::redraw_needed") - return self -end - ---- Clear the graph. -function graph:clear() - self._private.values = {} - self:emit_signal("widget::redraw_needed") - return self -end - ---- Set the graph height. --- @param height The height to set. -function graph:set_height(height) - if height >= 5 then - self._private.height = height - self:emit_signal("widget::layout_changed") - end - return self -end - ---- Set the graph width. --- @param width The width to set. -function graph:set_width(width) - if width >= 5 then - self._private.width = width - self:emit_signal("widget::layout_changed") - end - return self -end - --- Build properties function -for _, prop in ipairs(properties) do - if not graph["set_" .. prop] then - graph["set_" .. prop] = function(_graph, value) - if _graph._private[prop] ~= value then - _graph._private[prop] = value - _graph:emit_signal("widget::redraw_needed") - end - return _graph - end - end - if not graph["get_" .. prop] then - graph["get_" .. prop] = function(_graph) - return _graph._private[prop] - end - end -end - ---- Create a graph widget. --- @param args Standard widget() arguments. You should add width and height --- key to set graph geometry. --- @return A new graph widget. --- @function wibox.widget.graph -function graph.new(args) - args = args or {} - - local width = args.width or 100 - local height = args.height or 20 - - if width < 5 or height < 5 then return end - - local _graph = base.make_widget(nil, nil, {enable_properties = true}) - - _graph._private.width = width - _graph._private.height = height - _graph._private.values = {} - _graph._private.max_value = 1 - - -- Set methods - _graph.add_value = graph["add_value"] - _graph.clear = graph["clear"] - _graph.draw = graph.draw - _graph.fit = graph.fit - - for _, prop in ipairs(properties) do - _graph["set_" .. prop] = graph["set_" .. prop] - _graph["get_" .. prop] = graph["get_" .. prop] - end - - return _graph -end - -function graph.mt:__call(...) - return graph.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(graph, graph.mt) - --- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80 |