doc: Add more progressbar shape examples

lib/wibox/widget/progressbar.lua

@@ -61,11 +61,17 @@ local progressbar = { mt = {} }
 -- @tparam gears.color color The progressbar background color.
 
 --- The progressbar inner shape.
+--
+--@DOC_wibox_widget_progressbar_bar_shape_EXAMPLE@
+--
 -- @property bar_shape
 -- @tparam[opt=gears.shape.rectangle] gears.shape shape
 -- @see gears.shape
 
 --- The progressbar shape.
+--
+--@DOC_wibox_widget_progressbar_shape_EXAMPLE@
+--
 -- @property shape
 -- @tparam[opt=gears.shape.rectangle] gears.shape shape
 -- @see gears.shape

tests/examples/wibox/widget/progressbar/bar_shape.lua

@@ -0,0 +1,27 @@
+local parent = ... --DOC_HIDE
+local wibox  = require("wibox") --DOC_HIDE
+local gears  = {shape = require("gears.shape") } --DOC_HIDE
+local beautiful = require("beautiful") --DOC_HIDE
+
+
+local l = wibox.layout { --DOC_HIDE
+    forced_height = 120, --DOC_HIDE
+    forced_width  = 100, --DOC_HIDE
+    layout = wibox.layout.flex.vertical --DOC_HIDE
+} --DOC_HIDE
+
+for _, shape in ipairs {"rounded_bar", "octogon", "hexagon", "powerline" } do
+    l:add(wibox.widget {
+        value            = 0.33,
+        bar_shape        = gears.shape[shape],
+        bar_border_color = beautiful.border_color,
+        bar_border_width = 1,
+        border_width     = 2,
+        border_color     = beautiful.border_color,
+        margins          = 5, --DOC_HIDE
+        paddings         = 1,
+        widget           = wibox.widget.progressbar,
+    })
+end
+
+parent:add(l) --DOC_HIDE

tests/examples/wibox/widget/progressbar/shape.lua

@@ -0,0 +1,24 @@
+local parent = ... --DOC_HIDE
+local wibox  = require("wibox") --DOC_HIDE
+local gears  = {shape = require("gears.shape") } --DOC_HIDE
+local beautiful = require("beautiful") --DOC_HIDE
+
+
+local l = wibox.layout { --DOC_HIDE
+    forced_height = 100, --DOC_HIDE
+    forced_width  = 100, --DOC_HIDE
+    layout = wibox.layout.flex.vertical --DOC_HIDE
+} --DOC_HIDE
+
+for _, shape in ipairs {"rounded_bar", "octogon", "hexagon", "powerline" } do
+    l:add(wibox.widget {
+        value         = 0.33,
+        shape         = gears.shape[shape],
+        border_width  = 2,
+        border_color  = beautiful.border_color,
+        margins       = 5, --DOC_HIDE
+        widget        = wibox.widget.progressbar,
+    })
+end
+
+parent:add(l) --DOC_HIDE