forgot to add the module

xpra/gtk/configure/encodings.py

@@ -0,0 +1,130 @@
+# This file is part of Xpra.
+# Copyright (C) 2023 Antoine Martin <[email protected]>
+# Xpra is released under the terms of the GNU GPL v2, or, at your option, any
+# later version. See the file COPYING for details.
+
+from xpra.gtk.dialogs.base_gui_window import BaseGUIWindow
+from xpra.gtk.configure.common import update_config_attribute, with_config
+from xpra.gtk.widget import label
+from xpra.os_util import gi_import
+from xpra.log import Logger
+
+Gtk = gi_import("Gtk")
+GLib = gi_import("GLib")
+
+log = Logger("util")
+
+
+def adj1_100(value: int) -> Gtk.Adjustment:
+    return Gtk.Adjustment(value=value, lower=1, upper=100, step_increment=5, page_increment=0, page_size=0)
+
+
+def make_scale(adjust, marks: dict) -> Gtk.Scale:
+    scale = Gtk.Scale(orientation=Gtk.Orientation.HORIZONTAL, adjustment=adjust)
+    for value, text in marks.items():
+        scale.add_mark(value=value, position=Gtk.PositionType.TOP, markup=text)
+    scale.set_digits(0)
+    scale.set_draw_value(True)
+    scale.set_has_origin(True)
+    return scale
+
+
+class ConfigureGUI(BaseGUIWindow):
+
+    def __init__(self, parent: Gtk.Window | None = None):
+        self.subsystem_switch = {}
+        super().__init__(
+            "Configure Xpra's Picture Compression",
+            "encoding.png",
+            wm_class=("xpra-configure-encodings-gui", "Xpra Configure Encodings GUI"),
+            default_size=(640, 500),
+            header_bar=(True, False),
+            parent=parent,
+        )
+
+    def populate(self):
+        with_config(self.do_populate)
+
+    def do_populate(self, config):
+        self.clear_vbox()
+        self.add_widget(label("Configure Xpra's Picture Compression", font="sans 20"))
+        url = "https://github.com/Xpra-org/xpra/blob/master/docs/Usage/Encodings.md#tuning"
+        lines = (
+            f"Please read <a href='{url}'>the documentation</a>.",
+        )
+        text = "\n".join(lines)
+        lbl = label(text, font="Sans 14")
+        lbl.set_line_wrap(True)
+        lbl.set_use_markup(True)
+        self.add_widget(lbl)
+        self.add_widget(Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL))
+        self.add_widget(label("Minimum Speed (percentage)"))
+        scale = make_scale(adj1_100(config.min_speed), {
+            1 : "Lowest",
+            50 : "Average",
+            100 : "Highest",
+        })
+        scale.connect("value-changed", self.speed_changed)
+        self.add_widget(scale)
+        self.add_widget(Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL))
+        self.add_widget(label("Minimum Quality (percentage)"))
+        scale = make_scale(adj1_100(config.min_quality), {
+            1 : "Lowest",
+            50 : "Average",
+            100 : "Highest",
+        })
+        scale.connect("value-changed", self.quality_changed)
+        self.add_widget(scale)
+        self.add_widget(Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL))
+        self.add_widget(label("Auto Refresh Delay (milliseconds)"))
+        adjust = Gtk.Adjustment(value=config.auto_refresh_delay, lower=0, upper=1000,
+                                step_increment=50, page_increment=0, page_size=0)
+        scale = make_scale(adjust, {
+            0 : "Disabled",
+            50 : "Fast",
+            500 : "Average",
+            1000: "Slow",
+        })
+        scale.connect("value-changed", self.ar_changed)
+        self.add_widget(scale)
+        self.add_widget(Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL))
+        grid = Gtk.Grid()
+        grid.set_margin_start(40)
+        grid.set_margin_end(40)
+        grid.set_row_homogeneous(True)
+        grid.set_column_homogeneous(False)
+        self.add_widget(grid)
+        switch = Gtk.Switch()
+        switch.set_state(config.encoding == "grayscale")
+        switch.connect("state-set", self.toggle_grayscale)
+        lbl = label("Grayscale Mode")
+        lbl.set_hexpand(True)
+        grid.attach(lbl, 0, 0, 1, 1)
+        grid.attach(switch, 1, 0, 1, 1)
+        self.show_all()
+
+    @staticmethod
+    def speed_changed(widget):
+        update_config_attribute("min-speed", int(widget.get_value()))
+
+    @staticmethod
+    def quality_changed(widget):
+        update_config_attribute("min-quality", int(widget.get_value()))
+
+    @staticmethod
+    def ar_changed(widget):
+        update_config_attribute("auto-refresh-delay", int(widget.get_value())/1000)
+
+    @staticmethod
+    def toggle_grayscale(_widget, state):
+        update_config_attribute("encoding", "grayscale" if state else "auto")
+
+
+def main(_args) -> int:
+    from xpra.gtk.configure.main import run_gui
+    return run_gui(ConfigureGUI)
+
+
+if __name__ == "__main__":
+    import sys
+    sys.exit(main(sys.argv[1:]))