feat(QAM): add screenshot button

assets/ui/icons/screenshot-2-fill.svg.import

@@ -0,0 +1,37 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bagy3jlijp6ta"
+path="res://.godot/imported/screenshot-2-fill.svg-88f27de4581ef5c9a924861c67ede490.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/ui/icons/screenshot-2-fill.svg"
+dest_files=["res://.godot/imported/screenshot-2-fill.svg-88f27de4581ef5c9a924861c67ede490.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

core/systems/screenshot/screenshotter.gd

@@ -0,0 +1,86 @@
+@tool
+@icon("res://assets/ui/icons/screenshot-2-fill.svg")
+extends Node
+class_name Screenshotter
+
+## Take a gamescope screenshot when a signal fires
+##
+## The [Screenshotter] can be added as a child to any node that exposes signals.
+## Upon entering the scene tree, the [Screenshotter] connects to a given signal
+## on its parent, and will take a screenshot when the given signal fires.
+
+signal screenshot_taken
+
+var gamescope := load("res://core/global/gamescope.tres") as Gamescope
+var notification_manager := load("res://core/global/notification_manager.tres") as NotificationManager
+
+## Signal on our parent to connect to. When this signal fires, the [Screenshotter] 
+## will take a screenshot with gamescope
+var on_signal: String
+## Path to move the screenshot file to
+@export var destination_folder := "user://screenshots"
+## Whether or not a notification should be shown after taking a screenshot
+@export var show_notification := true
+
+var logger := Log.get_logger("Screenshotter")
+
+
+func _ready() -> void:
+	notify_property_list_changed()
+	get_parent().connect(on_signal, _on_signal)
+
+
+func _on_signal():
+	# Take a screenshot
+	gamescope.request_screenshot()
+
+	# Wait for gamescope to write the screenshot
+	await get_tree().create_timer(3).timeout
+	var msg := "Screenshot saved"
+
+	# Move the screenshot to the destination
+	var output_file := "/tmp/gamescope.png"
+	if FileAccess.file_exists(output_file):
+		var date := Time.get_time_string_from_system()
+		var file_name := "opengamepadui-{0}.png".format([date.replace(":", "_")])
+		var dest_path := "/".join([destination_folder, file_name])
+		DirAccess.make_dir_recursive_absolute(destination_folder)
+		var err := DirAccess.rename_absolute(output_file, dest_path)
+		if err != OK:
+			msg = "Unable to save screenshot to " + ProjectSettings.globalize_path(dest_path)
+			logger.error(msg)
+		else:
+			msg = "Saved screenshot to: " + ProjectSettings.globalize_path(dest_path)
+			logger.info(msg)
+	screenshot_taken.emit()
+
+	# Send a notification if configured
+	if show_notification:
+		var notify := Notification.new(msg)
+		notification_manager.show(notify)
+
+
+# Customize editor properties that we expose. Here we dynamically look up
+# the parent node's signals so we can display them in a list.
+func _get_property_list():
+	# By default, `on_signal` is not visible in the editor.
+	var property_usage := PROPERTY_USAGE_NO_EDITOR
+
+	var parent_signals := []
+	if get_parent() != null:
+		property_usage = PROPERTY_USAGE_DEFAULT
+		for sig in get_parent().get_signal_list():
+			parent_signals.push_back(sig["name"])
+
+	var properties := []
+	properties.append(
+		{
+			"name": "on_signal",
+			"type": TYPE_STRING,
+			"usage": property_usage,  # See above assignment.
+			"hint": PROPERTY_HINT_ENUM,
+			"hint_string": ",".join(parent_signals)
+		}
+	)
+
+	return properties

core/systems/screenshot/screenshotter.tscn

@@ -0,0 +1,7 @@
+[gd_scene load_steps=2 format=3 uid="uid://c02r5ym6x7he3"]
+
+[ext_resource type="Script" path="res://core/systems/screenshot/screenshotter.gd" id="1_eqvtv"]
+
+[node name="Screenshotter" type="Node"]
+script = ExtResource("1_eqvtv")
+on_signal = ""

core/ui/card_ui/qam/quick_access_menu.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=24 format=3 uid="uid://hroo3ll4inrb"]
+[gd_scene load_steps=26 format=3 uid="uid://hroo3ll4inrb"]
 
 [ext_resource type="Script" path="res://core/ui/card_ui/qam/quick_access_menu.gd" id="1_56jo7"]
 [ext_resource type="PackedScene" uid="uid://shvyhrv5sx3v" path="res://core/systems/state/state_watcher.tscn" id="2_6rvrx"]
@@ -15,8 +15,10 @@
 [ext_resource type="Resource" uid="uid://cr544el0cqjlm" path="res://assets/state/state_machines/global_state_machine.tres" id="13_u3r8o"]
 [ext_resource type="Resource" uid="uid://d3gp85f35oiw6" path="res://assets/state/states/settings.tres" id="14_didkb"]
 [ext_resource type="Resource" uid="uid://db5gbdl3xgwlq" path="res://assets/state/states/help_menu.tres" id="14_gr3i0"]
+[ext_resource type="Texture2D" uid="uid://bagy3jlijp6ta" path="res://assets/ui/icons/screenshot-2-fill.svg" id="15_2xd16"]
 [ext_resource type="PackedScene" uid="uid://dithv38oqgy58" path="res://core/ui/components/section_label.tscn" id="15_ip4q6"]
 [ext_resource type="Texture2D" uid="uid://djy4rejy21s6g" path="res://icon.svg" id="16_5eydp"]
+[ext_resource type="PackedScene" uid="uid://c02r5ym6x7he3" path="res://core/systems/screenshot/screenshotter.tscn" id="16_8agkl"]
 [ext_resource type="PackedScene" uid="uid://b0cyl6fdqxevn" path="res://core/systems/input/scroller_joystick.tscn" id="17_qgen2"]
 [ext_resource type="Resource" uid="uid://dpc1o781f43ef" path="res://core/ui/card_ui/qam/quick_access_menu_focus.tres" id="18_4nxly"]
 [ext_resource type="PackedScene" uid="uid://bjy50kdrebgre" path="res://core/ui/card_ui/qam/notifications_card.tscn" id="19_pppbi"]
@@ -107,6 +109,14 @@ state_machine = ExtResource("13_u3r8o")
 state = ExtResource("14_gr3i0")
 on_signal = "button_up"
 
+[node name="ScreenshotButton" parent="MarginContainer/PanelContainer/MarginContainer/VBoxContainer/ButtonContainer" instance=ExtResource("9_6qs1m")]
+custom_minimum_size = Vector2(26, 26)
+layout_mode = 2
+texture = ExtResource("15_2xd16")
+
+[node name="Screenshotter" parent="MarginContainer/PanelContainer/MarginContainer/VBoxContainer/ButtonContainer/ScreenshotButton" instance=ExtResource("16_8agkl")]
+on_signal = "button_up"
+
 [node name="Spacer" type="Control" parent="MarginContainer/PanelContainer/MarginContainer/VBoxContainer/ButtonContainer"]
 layout_mode = 2
 size_flags_horizontal = 3