12 files changed, 103 insertions, 11 deletions

diff --git a/demos/misc/autoload/global.gd b/demos/misc/autoload/global.gd
index a0415c6ee0..d1bd45461f 100644
--- a/demos/misc/autoload/global.gd
+++ b/demos/misc/autoload/global.gd
@@ -4,20 +4,40 @@ extends Node
 var current_scene = null
 
 
-func goto_scene(scene):
-	#load new scene
-	var s = ResourceLoader.load(scene)
-	#queue erasing old (don't use free because that scene is calling this method)
-	current_scene.queue_free()
-	#instance the new scene
+func goto_scene(path):
+
+	# This function will usually be called from a signal callback,
+	# or some other function from the running scene.
+	# Deleting the current scene at this point might be
+	# a bad idea, because it may be inside of a callback or function of it.
+	# The worst case will be a crash or unexpected behavior.
+
+	# The way around this is deferring the load to a later time, when
+	# it is ensured that no code from the current scene is running:
+
+	call_deferred("_deferred_goto_scene",path)
+
+
+func _deferred_goto_scene(path):
+
+	# Immediately free the current scene,
+	# there is no risk here.	
+	current_scene.free()
+
+	# Load new scene
+	var s = ResourceLoader.load(path)
+
+	# Instance the new scene
 	current_scene = s.instance()
-	#add it to the active scene, as child of root
+
+	# Add it to the active scene, as child of root
 	get_tree().get_root().add_child(current_scene)
 
 
 func _ready():
-	# get the current scene
+	# Get the current scene, the first time.
 	# it is always the last child of root,
-	# after the autoloaded nodes
+	# after the autoloaded nodes.
+
 	var root = get_tree().get_root()
 	current_scene = root.get_child( root.get_child_count() -1 )
diff --git a/demos/misc/regex/engine.cfg b/demos/misc/regex/engine.cfg
new file mode 100644
index 0000000000..0a6f4f869c
--- /dev/null
+++ b/demos/misc/regex/engine.cfg
@@ -0,0 +1,4 @@
+[application]
+
+name="RegEx"
+main_scene="res://regex.scn"
diff --git a/demos/misc/regex/regex.gd b/demos/misc/regex/regex.gd
new file mode 100644
index 0000000000..e648c18093
--- /dev/null
+++ b/demos/misc/regex/regex.gd
@@ -0,0 +1,22 @@
+extends VBoxContainer
+
+var regex = RegEx.new()
+
+func update_expression():
+	regex.compile(get_node("Expression").get_text())
+	update_text()
+
+func update_text():
+	var text = get_node("Text").get_text()
+	regex.find(text)
+	var list = get_node("List")
+	for child in list.get_children():
+		child.queue_free()
+	for res in regex.get_captures():
+		var label = Label.new()
+		label.set_text(res)
+		list.add_child(label)
+
+func _ready():
+	get_node("Text").set_text("They asked me \"What's going on \\\"in the manor\\\"?\"")
+	update_expression()
diff --git a/demos/misc/regex/regex.scn b/demos/misc/regex/regex.scn
new file mode 100644
index 0000000000..2b62d6b82a
--- /dev/null
+++ b/demos/misc/regex/regex.scn
diff --git a/demos/misc/scene_changer/engine.cfg b/demos/misc/scene_changer/engine.cfg
new file mode 100644
index 0000000000..1ba1a41167
--- /dev/null
+++ b/demos/misc/scene_changer/engine.cfg
@@ -0,0 +1,4 @@
+[application]
+
+name="Scene Changer"
+main_scene="res://scene_a.scn"
diff --git a/demos/misc/scene_changer/scene_a.gd b/demos/misc/scene_changer/scene_a.gd
new file mode 100644
index 0000000000..956878b0f7
--- /dev/null
+++ b/demos/misc/scene_changer/scene_a.gd
@@ -0,0 +1,17 @@
+
+extends Panel
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+
+func _ready():
+	# Initalization here
+	pass
+
+
+
+
+func _on_goto_scene_pressed():
+	get_tree().change_scene("res://scene_b.scn")
+	pass # replace with function body
diff --git a/demos/misc/scene_changer/scene_a.scn b/demos/misc/scene_changer/scene_a.scn
new file mode 100644
index 0000000000..61727a57ba
--- /dev/null
+++ b/demos/misc/scene_changer/scene_a.scn
diff --git a/demos/misc/scene_changer/scene_b.gd b/demos/misc/scene_changer/scene_b.gd
new file mode 100644
index 0000000000..4f94d6bb8f
--- /dev/null
+++ b/demos/misc/scene_changer/scene_b.gd
@@ -0,0 +1,17 @@
+
+extends Panel
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+
+func _ready():
+	# Initalization here
+	pass
+
+
+
+
+func _on_goto_scene_pressed():
+	get_tree().change_scene("res://scene_a.scn")
+	pass # replace with function body
diff --git a/demos/misc/scene_changer/scene_b.scn b/demos/misc/scene_changer/scene_b.scn
new file mode 100644
index 0000000000..ae09eeff88
--- /dev/null
+++ b/demos/misc/scene_changer/scene_b.scn
diff --git a/demos/misc/window_management/control.gd b/demos/misc/window_management/control.gd
index 5eb5817619..1609dda699 100644
--- a/demos/misc/window_management/control.gd
+++ b/demos/misc/window_management/control.gd
@@ -1,6 +1,8 @@
 
 extends Control
 
+var mousepos
+
 func _fixed_process(delta):
 
 	var modetext = "Mode:\n"
@@ -31,7 +33,7 @@ func _fixed_process(delta):
 	
 	get_node("Label_Size").set_text(str("Size:\n", OS.get_window_size() ) )
 	
-	get_node("Label_MousePosition").set_text(str("Mouse Position:\n", Input.get_mouse_pos() ) )
+	get_node("Label_MousePosition").set_text(str("Mouse Position:\n", mousepos ) )
 	
 	get_node("Label_Screen_Count").set_text( str("Screen_Count:\n", OS.get_screen_count() ) )
 	
@@ -126,6 +128,12 @@ func check_wm_api():
 func _ready():
 	if( check_wm_api() ):
 		set_fixed_process(true)
+		set_process_input(true)
+
+
+func _input(ev):
+	if (ev.type==InputEvent.MOUSE_MOTION):
+		mousepos = ev.pos
 
 
 func _on_Button_MoveTo_pressed():
diff --git a/demos/misc/window_management/engine.cfg b/demos/misc/window_management/engine.cfg
index c53bd45fb7..0a34231673 100644
--- a/demos/misc/window_management/engine.cfg
+++ b/demos/misc/window_management/engine.cfg
@@ -1,6 +1,6 @@
 [application]
 
-name="window_management"
+name="Window Management"
 main_scene="res://window_management.scn"
 icon="icon.png"
 
diff --git a/demos/misc/window_management/window_management.scn b/demos/misc/window_management/window_management.scn
index c7d6260df6..8db43b6638 100644
--- a/demos/misc/window_management/window_management.scn
+++ b/demos/misc/window_management/window_management.scn