mirror of
https://github.com/vincentbernat/i3wm-configuration.git
synced 2025-06-24 18:58:33 +02:00
72 lines
1.9 KiB
Text
72 lines
1.9 KiB
Text
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#!/usr/bin/python3
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"""Saver module for xsecurelock.
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It displays a background image, clock and weather. Configuration is
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done through environment variables:
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- XSECURELOCK_BACKGROUND_IMAGE: path to the background image to use
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"""
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import os
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import gi
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gi.require_version("Gtk", "3.0")
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from gi.repository import Gtk, Gdk, GdkX11, GLib, GdkPixbuf
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import cairo
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def on_win_realize(widget, position):
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"""On realization, embed into XSCREENSAVER_WINDOW and remember parent position."""
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parent_wid = int(os.getenv("XSCREENSAVER_WINDOW", 0))
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if not parent_wid:
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return
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parent = GdkX11.X11Window.foreign_new_for_display(widget.get_display(), parent_wid)
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x, y, w, h = parent.get_geometry()
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window = widget.get_window()
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window.resize(w, h)
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window.reparent(parent, 0, 0)
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[*position] = x, y
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def on_win_draw(widget, ctx, background, position):
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"""Draw background image."""
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ctx.set_operator(cairo.OPERATOR_SOURCE)
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if not background:
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ctx.set_source_rgba(0, 0, 0, opacity)
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ctx.paint()
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return
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x, y = position
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wwidth, wheight = widget.get_size()
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scale = widget.get_scale_factor()
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bg = background.new_subpixbuf(x * scale, y * scale, wwidth * scale, wheight * scale)
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ctx.scale(1 / scale, 1 / scale)
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Gdk.cairo_set_source_pixbuf(ctx, bg, 0, 0)
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ctx.paint()
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if __name__ == "__main__":
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background_image = os.getenv("XSECURELOCK_BACKGROUND_IMAGE", None)
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background = None
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if background_image:
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try:
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background = GdkPixbuf.Pixbuf.new_from_file(background_image)
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except Exception:
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pass
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position = [0, 0]
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window = Gtk.Window()
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window.set_app_paintable(True)
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window.set_visual(window.get_screen().get_rgba_visual())
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window.connect("realize", on_win_realize, position)
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window.connect("draw", on_win_draw, background, position)
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window.connect("delete-event", Gtk.main_quit)
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window.show_all()
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# Main loop
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Gtk.main()
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