mirror of
https://github.com/lihop/godot-xterm.git
synced 2024-11-14 14:30:24 +01:00
125 lines
2.8 KiB
GDScript
125 lines
2.8 KiB
GDScript
tool
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extends Control
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const DefaultTheme = preload("../../themes/default.tres")
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signal data_sent(data)
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signal key_pressed(data, event)
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signal size_changed(new_size)
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signal bell
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enum UpdateMode {
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DISABLED,
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AUTO,
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ALL,
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ALL_NEXT_FRAME,
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}
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export (UpdateMode) var update_mode = UpdateMode.AUTO setget set_update_mode
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var cols = 2
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var rows = 2
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var _viewport: Viewport = preload("./viewport.tscn").instance()
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var _native_terminal: Control = _viewport.get_node("Terminal")
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var _screen := TextureRect.new()
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var _visibility_notifier := VisibilityNotifier2D.new()
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var _dirty := false
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var buffer := StreamPeerBuffer.new()
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var times = 0
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func set_update_mode(value):
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update_mode = value
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_native_terminal.update_mode = value
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func get_rows() -> int:
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return 0
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func get_cols() -> int:
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return 0
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func write(data) -> void:
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assert(data is String or data is PoolByteArray)
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# FIXME: This will occasionally cause a "Resumed function after yield, but class instance is gone" error after freeing the Terminal instance.
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# However, this yield is necessary to ensure the terminal state machines framebuffer is up to date when we make all the draw_* calls.
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yield(VisualServer, "frame_pre_draw")
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_native_terminal.write(data if data is String else data.get_string_from_utf8())
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_native_terminal.update()
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func _ready():
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if theme:
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_native_terminal.theme = theme
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_native_terminal.update_mode = update_mode
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_native_terminal.connect("data_sent", self, "_on_data_sent")
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_native_terminal.connect("key_pressed", self, "_on_key_pressed")
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_native_terminal.connect("size_changed", self, "_on_size_changed")
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_native_terminal.connect("bell", self, "_on_bell")
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_viewport.size = rect_size
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_viewport.render_target_update_mode = Viewport.UPDATE_ALWAYS
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_screen.set_anchors_preset(PRESET_WIDE)
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_screen.texture = _viewport.get_texture()
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_visibility_notifier.connect("screen_entered", self, "_refresh")
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add_child(_viewport)
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add_child(_screen)
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add_child(_visibility_notifier)
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_refresh()
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func _refresh():
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if update_mode == UpdateMode.AUTO:
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_native_terminal.update_mode = UpdateMode.ALL_NEXT_FRAME
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func _gui_input(event):
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_native_terminal._gui_input(event)
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func _notification(what: int) -> void:
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match what:
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NOTIFICATION_RESIZED:
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_viewport.size = rect_size
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_visibility_notifier.rect = get_rect()
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_refresh()
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NOTIFICATION_THEME_CHANGED:
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_native_terminal.theme = theme
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_refresh()
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func _on_data_sent(data: PoolByteArray):
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emit_signal("data_sent", data)
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func _on_key_pressed(data: String, event: InputEventKey):
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emit_signal("key_pressed", data, event)
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func _on_size_changed(new_size: Vector2):
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cols = new_size.x
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rows = new_size.y
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emit_signal("size_changed", new_size)
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func _on_bell():
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emit_signal("bell")
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func _set_size_warning(value):
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if value:
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push_warning(
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"Terminal cols and rows are read only and determined by the font and rect sizes."
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)
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