Fix samples formatting, get them working

Also deletes mxwidgets.lua because Mx is dead, and deletes
repobrowser.lua because of a GTK+ 3 override bug that I don't care about
fixing.

Author: vtrlx

samples/cairo.lua

@@ -4,12 +4,12 @@
 -- Basic clutter demo.
 --
 
-local lgi = require('lgi')
-local Clutter = lgi.require('Clutter', '1.0')
-local GObject = lgi.require('GObject', '2.0')
-local Gio = lgi.require('Gio', '2.0')
+local LuaGObject = require('LuaGObject')
+local Clutter = LuaGObject.require('Clutter', '1.0')
+local GObject = LuaGObject.require('GObject', '2.0')
+local Gio = LuaGObject.require('Gio', '2.0')
 
-local app = Gio.Application { application_id = 'org.lgi.samples.Clutter' }
+local app = Gio.Application { application_id = 'org.LuaGObject.samples.Clutter' }
 
 local stage = Clutter.Stage.get_default()
 stage.color = Clutter.Color(0, 0, 0, 255)
@@ -19,49 +19,47 @@ stage.title = 'LGI Clutter Demo'
 
 local rects = {}
 for i = 1, 6 do
-   rects[i] = Clutter.Rectangle {
-      color = Clutter.Color(
-	 256 / 6 * ((i - 1) % 6),
-	 256 / 6 * ((i + 3) % 6),
-	 256 / 6 * ((-i + 8) % 6),
-	 128),
-      width = 100, height = 100,
-      fixed_x = 200, fixed_y = 200,
-      anchor_x = 128, anchor_y = 64,
-      reactive = true,
-      on_button_press_event = function(rect) rect:raise_top() return true end,
-   }
-   stage:add_actor(rects[i])
-   rects[i]:show()
+	rects[i] = Clutter.Rectangle {
+		color = Clutter.Color(
+			256 / 6 * ((i - 1) % 6),
+			256 / 6 * ((i + 3) % 6),
+			256 / 6 * ((-i + 8) % 6),
+			128),
+		width = 100, height = 100,
+		fixed_x = 200, fixed_y = 200,
+		anchor_x = 128, anchor_y = 64,
+		reactive = true,
+		on_button_press_event = function(rect) rect:raise_top() return true end,
+	}
+	stage:add_actor(rects[i])
+	rects[i]:show()
 end
 
 local timeline = Clutter.Timeline { duration = 60, loop = true }
 local rotation, rotation_delta = 0, 0.01
 local scale, scale_delta = 1, 0.001
 function timeline:on_new_frame(frame_num)
-   rotation = rotation + rotation_delta
-   scale = scale + scale_delta
-   if scale > 2 or scale < 1 then scale_delta = -scale_delta end
-   for i = 1, #rects do
-      rects[i]:set_rotation(Clutter.RotateAxis.Z_AXIS, rotation * (#rects - i),
-			    0, 0, 0)
-      rects[i]:set_scale(scale, 3 - scale)
-   end
+	rotation = rotation + rotation_delta
+	scale = scale + scale_delta
+	if scale > 2 or scale < 1 then scale_delta = -scale_delta end
+	for i = 1, #rects do
+		rects[i]:set_rotation(Clutter.RotateAxis.Z_AXIS, rotation * (#rects - i), 0, 0, 0)
+		rects[i]:set_scale(scale, 3 - scale)
+	end
 
-   -- A bug in clutter?  If following line is not present, stage stops
-   -- redrawing itself after a while...
-   stage:queue_redraw()
+	-- A bug in clutter? If following line is not present, stage stops redrawing itself after a while...
+	stage:queue_redraw()
 end
 
 function stage:on_button_press_event(event)
-   app:release()
-   return true
+	app:release()
+	return true
 end
 
 function app:on_activate()
-   self:hold()
-   stage:show()
-   timeline:start()
+	self:hold()
+	stage:show()
+	timeline:start()
 end
 
 return app:run { arg[0], ... }