add battery panel

theme/fly/widget/battery.lua

@@ -2,27 +2,52 @@ local icons = require("theme.assets.icons")
 local wibox = require("wibox")
 local awful = require("awful")
 local sig = require("theme.fly.signal")
+local beautiful = require("beautiful")
 local constants = require("utils.constants")
 
 local battery = {}
 
+local have_moved = false
+
+local items = {}
+local progressbars = {}
+
 function battery:init(config)
     self.widget = wibox.widget {
         image = icons.fly.battery_unknown,
         resize = true,
         forced_height = config.height,
         forced_width = config.width,
-        widget = wibox.widget.imagebox
+        widget = wibox.widget.imagebox,
+    }
+
+    self.panel_content = wibox.widget {
+        spacing = 5,
+        layout = wibox.layout.fixed.vertical
     }
 
     self.panel = awful.popup {
         widget = {
-            {
-
-            },
+            self.panel_content,
+            margins = 5,
             widget = wibox.container.margin
-        }
+        },
+        preferred_positions = "bottom",
+        preferred_anchors = "middle",
+        bg = beautiful.startup_bg,
+        visible = false,
+        ontop = true
     }
+
+    self.widget:connect_signal("button::press", function(geo, lx, ly, button, mods, w)
+        if not have_moved then
+            battery.panel:move_next_to(w)
+            have_moved = true
+        else
+            battery.panel.visible = not battery.panel.visible
+        end
+    end)
+
     awesome.connect_signal(sig.battery_manager.update_device, function(data)
         if data.type == constants.BATTERY_DEVICE_DISPLAY then
             if data.state == constants.BATTERY_DEVICE_STATE_UNKNOWN then
@@ -46,6 +71,43 @@ function battery:init(config)
                 end
             end
         else
+            if items[data.path] then
+                if progressbars[data.path] then
+                    progressbars[data.path].value = data.percentage
+                end
+            else
+                local markup = data.model
+                if data.device_type == constants.BATTERY_DEVICE_TYPE_BATTERY then
+                    markup = "Battery"
+                end
+
+                progressbars[data.path] = wibox.widget {
+                    max_value = 100,
+                    value = data.percentage,
+                    forced_height = 15,
+                    forced_width = 100,
+                    paddings = 1,
+                    border_width = 1,
+                    border_color = beautiful.border_color,
+                    widget = wibox.widget.progressbar,
+                }
+
+                items[data.path] = wibox.widget {
+                    {
+                        wibox.widget {
+                            markup = markup,
+                            align = 'center',
+                            valign = 'center',
+                            widget = wibox.widget.textbox
+                        },
+                        progressbars[data.path],
+                        layout = wibox.layout.align.vertical
+                    },
+                    widget = wibox.container.margin
+                }
+
+                battery.panel_content:add(items[data.path])
+            end
         end
     end)
 end