Add Multiple Windows Demo

misc/multiple_windows/README.md

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+# Window Management
+
+A demo showing all [`Window`](https://docs.godotengine.org/en/stable/classes/class_window.html) classes and their use within the main window.
+
+It includes:
+- Embedding/Unembedding subwindows.
+- Using a transparent window.
+- Adding physical objects to new windows.
+- Showcase of all Dialog Windows.
+- Showcase of all Popup Windows.
+- Adding elements to Popup Menu.
+- Adding an icon to system tray.
+
+Language: GDScript
+
+Renderer: Compatbility
+
+## Screenshots
+
+![Screenshot](screenshots/screenshot.webp)

misc/multiple_windows/icon.webp.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cehd300ehf1vw"
+path="res://.godot/imported/icon.webp-e94f9a68b0f625a567a797079e4d325f.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://icon.webp"
+dest_files=["res://.godot/imported/icon.webp-e94f9a68b0f625a567a797079e4d325f.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

misc/multiple_windows/project.godot

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+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[application]
+
+config/name="Multiple Windows Demo"
+config/description="A demo showing all Window classes and their use within the main window."
+run/main_scene="res://scenes/main_scene.tscn"
+config/features=PackedStringArray("4.3", "GL Compatibility")
+run/low_processor_mode=true
+config/icon="res://icon.webp"
+
+[display]
+
+window/size/viewport_width=650
+window/size/viewport_height=650
+window/stretch/mode="canvas_items"
+window/stretch/aspect="expand"
+window/per_pixel_transparency/allowed=true
+
+[rendering]
+
+renderer/rendering_method="gl_compatibility"
+renderer/rendering_method.mobile="gl_compatibility"

misc/multiple_windows/scenes/accept_dialogue/accept_dialog.tscn

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+[gd_scene format=3 uid="uid://cudrukovmha7p"]
+
+[node name="AcceptDialog" type="AcceptDialog"]
+initial_position = 2
+size = Vector2i(277, 100)
+visible = true
+dialog_text = "This is an AcceptDialog window"

misc/multiple_windows/scenes/confimation_dialogue/confirmation_dialog.tscn

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+[gd_scene format=3 uid="uid://1nswovajdv3n"]
+
+[node name="ConfirmationDialog" type="ConfirmationDialog"]
+initial_position = 2
+size = Vector2i(310, 100)
+visible = true
+dialog_text = "This is a ConfimationDialog window"

misc/multiple_windows/scenes/disable_other.gd

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+extends BaseButton
+
+@export var others: Array[BaseButton] = []
+
+enum Behavior {
+	ENABLE_OTHERS_WHEN_ENABLED,
+	ENABLE_OTHERS_WHEN_DISABLED
+}
+
+@export var behavior: Behavior = Behavior.ENABLE_OTHERS_WHEN_ENABLED
+
+func _ready() -> void:
+	var others_disabled: bool
+	if behavior == Behavior.ENABLE_OTHERS_WHEN_ENABLED:
+		others_disabled = not button_pressed
+	else:
+		others_disabled = button_pressed
+	for other in others:
+		other.disabled = others_disabled
+
+
+func _toggled(toggled_on: bool) -> void:
+	if behavior == Behavior.ENABLE_OTHERS_WHEN_ENABLED:
+		for other in others:
+			other.disabled = not toggled_on
+	else:
+		for other in others:
+			other.disabled = toggled_on

misc/multiple_windows/scenes/draggable_window/draggable_region.gd

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+extends Area2D
+
+var window_delta: Vector2i
+
+var held_down: bool = false
+
+func _input_event(_viewport, event, _shape_idx):
+	if event is InputEventMouseButton:
+		held_down = event.pressed
+		if event.pressed:
+			window_delta = get_window().position - DisplayServer.mouse_get_position()
+
+
+func _process(_delta):
+	if held_down:
+		get_window().position = DisplayServer.mouse_get_position() + window_delta
+		var mouse_state = DisplayServer.mouse_get_button_state()
+		if mouse_state & MOUSE_BUTTON_MASK_LEFT == 0:
+			held_down = false

misc/multiple_windows/scenes/draggable_window/draggable_window.tscn

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+[gd_scene load_steps=6 format=3 uid="uid://ek1fmwy87san"]
+
+[ext_resource type="Texture2D" uid="uid://pgdemhy0xqog" path="res://scenes/draggable_window/hand.svg" id="1_y4nm8"]
+[ext_resource type="Script" path="res://scenes/draggable_window/draggable_region.gd" id="2_pflw3"]
+[ext_resource type="Script" path="res://scenes/draggable_window/sprite_polygon_passthrough.gd" id="3_20753"]
+
+[sub_resource type="PlaceholderTexture2D" id="PlaceholderTexture2D_ghj85"]
+size = Vector2(256, 256)
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_cvhp1"]
+size = Vector2(128, 128)
+
+[node name="DraggableWindow" type="Window"]
+transparent_bg = true
+physics_object_picking = true
+size = Vector2i(128, 128)
+unresizable = true
+borderless = true
+always_on_top = true
+transparent = true
+
+[node name="BG" type="Sprite2D" parent="."]
+visible = false
+texture = SubResource("PlaceholderTexture2D_ghj85")
+centered = false
+
+[node name="Icon" type="Sprite2D" parent="."]
+position = Vector2(64, 64)
+texture = ExtResource("1_y4nm8")
+
+[node name="Area2D" type="Area2D" parent="Icon"]
+script = ExtResource("2_pflw3")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Icon/Area2D"]
+shape = SubResource("RectangleShape2D_cvhp1")
+
+[node name="PassthroughGenerator" type="Node" parent="." node_paths=PackedStringArray("sprite")]
+script = ExtResource("3_20753")
+sprite = NodePath("../Icon")

misc/multiple_windows/scenes/draggable_window/hand.svg.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://pgdemhy0xqog"
+path="res://.godot/imported/hand.svg-b2d702bcd7ae140c6ed485fe3d5b4a36.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://scenes/draggable_window/hand.svg"
+dest_files=["res://.godot/imported/hand.svg-b2d702bcd7ae140c6ed485fe3d5b4a36.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false

misc/multiple_windows/scenes/draggable_window/sprite_polygon_passthrough.gd

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+extends Node
+
+@export var sprite: Sprite2D
+
+# Call function when updating the sprite
+#func _ready():
+	#sprite.texture_changed.connect(generate_polygon)
+	#sprite.frame_changed.connect(generate_polygon)
+	#_on_sprite_texture_changed()
+
+
+func generate_polygon():
+	# Make a bitmap out of a sprite.
+	var bitmap = BitMap.new()
+	bitmap.create_from_image_alpha(sprite.texture.get_image())
+	# Cell size in case sprite cell is used for animation.
+	var cell_size_x = float(bitmap.get_size().x) / sprite.hframes
+	var cell_size_y = float(bitmap.get_size().y) / sprite.vframes
+	var cell_rect: Rect2 = Rect2(cell_size_x * sprite.frame_coords.x, cell_size_y * sprite.frame_coords.y, cell_size_x, cell_size_y)
+	# Grow bitmap to make sure every pixel will be captured.
+	bitmap.grow_mask(1, cell_rect)
+	# Generate array of polygons from bitmap.
+	var bitmap_polygons: Array[PackedVector2Array] = bitmap.opaque_to_polygons(cell_rect, 1.0)
+	var polygon = PackedVector2Array()
+	# Offset to position polygon correctly in relation of sprite to a window.
+	var offset: Vector2 = sprite.position + sprite.offset
+	if sprite.centered:
+		offset -= Vector2(cell_size_x, cell_size_y) / 2
+
+	# First point is used to connect multiple polygons into one big polygon.
+	var first_point: Vector2 = bitmap_polygons[0][0]
+	# Uniting all polygons into polygon for window to use.
+	for bitmap_polygon: PackedVector2Array in bitmap_polygons:
+		for point: Vector2 in bitmap_polygon:
+			polygon.append(point + offset)
+
+		polygon.append(first_point)
+		polygon.append(first_point)
+
+	# Apply passthrough mask to the window.
+	get_window().mouse_passthrough_polygon = polygon

misc/multiple_windows/scenes/file_dialogue/file_dialog.tscn

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+[gd_scene format=3 uid="uid://dx84v67isxyjv"]
+
+[node name="FileDialog" type="FileDialog"]
+initial_position = 2
+size = Vector2i(700, 400)
+visible = true