tests: Improve the awful example template

* Support async operations
 * Support `awful.popup`
 * Support minimized clients

tests/examples/awful/template.lua

@@ -11,6 +11,11 @@ local wibox     = require( "wibox"          )
 -- Run the test
 local args = loadfile(file_path)() or {}
 
+-- Emulate the event loop for 5 iterations
+for _ = 1, 5 do
+    awesome.emit_signal("refresh")
+end
+
 -- Draw the result
 local img = cairo.SvgSurface.create(image_path..".svg", screen._get_extents() )
 
@@ -30,6 +35,7 @@ local function draw_mouse(x, y)
 end
 
 -- Print an outline for the screens
+if not screen.no_outline then
     for _, s in ipairs(screen) do
         cr:save()
         -- Draw the screen outline
@@ -48,8 +54,9 @@ for _, s in ipairs(screen) do
         --TODO
         cr:restore()
     end
+end
 
-cr:set_line_width(beautiful.border_width)
+cr:set_line_width(beautiful.border_width/2)
 cr:set_source(color(beautiful.border_color))
 
 
@@ -124,12 +131,8 @@ local function client_widget(c, col, label)
     l.forced_height = c.height
 
     return wibox.widget {
-        {
         {
             l,
-                margins = bw + 1, -- +1 because the the SVG AA
-                layout  = wibox.container.margin
-            },
             {
                 text   = label or "",
                 align  = "center",
@@ -138,22 +141,40 @@ local function client_widget(c, col, label)
             },
             layout = wibox.layout.stack
         },
-        shape_border_width = bw*2,
+        shape_border_width = bw,
         shape_border_color = beautiful.border_color,
         shape_clip         = true,
         fg                 = beautiful.fg_normal or "#000000",
         bg                 = col,
-        forced_width       = geo.width  + 2*bw,
-        forced_height      = geo.height + 2*bw,
         shape              = function(cr2, w, h)
             return shape.rounded_rect(cr2, w, h, args.radius or 5)
         end,
 
+        forced_width  = geo.width  + 2*bw,
+        forced_height = geo.height + 2*bw,
         widget        = wibox.container.background,
     }
 end
 
 -- Add all wiboxes
+
+-- Fix the wibox geometries that have a dependency on their content
+for _, d in ipairs(drawin.get()) do
+    local w = d.get_wibox and d:get_wibox() or nil
+    if w then
+        -- Force a full layout first as widgets with as the awful.popup have
+        -- interdependencies between the content and the container
+        if w._apply_size_now then
+            w:_apply_size_now()
+        end
+    end
+end
+
+-- Emulate the event loop for another 5 iterations
+for _ = 1, 5 do
+    awesome.emit_signal("refresh")
+end
+
 for _, d in ipairs(drawin.get()) do
     local w = d.get_wibox and d:get_wibox() or nil
     if w then
@@ -164,6 +185,7 @@ end
 
 -- Loop each clients geometry history and paint it
 for _, c in ipairs(client.get()) do
+    if not c.minimized then
         local pgeo = nil
         for _, geo in ipairs(c._old_geo) do
             if not geo._hide then
@@ -203,6 +225,7 @@ for _, c in ipairs(client.get()) do
             pgeo = geo
         end
     end
+end
 
 -- Draw the wiboxes/clients on top of the screen
 wibox.widget.draw_to_cairo_context(