How to draw on Budgie-Desktop

Budgie Desktop
1

How to draw on budgie-desktop

Just like ShowTime and WeatherShow, how can I draw on budgie-desktop using python ?

2

To have the content of a window be on the desktop, you need to set type_hint Desktop: https://valadoc.org/gdk-3.0/Gdk.WindowTypeHint.html and https://valadoc.org/gdk-3.0/Gdk.WindowTypeHint.html.
You’d also need to have a transparent window though, without decorators.
Are you coding python?

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3

Yes , I am using Python 3.8 right now and have barebone knowledge in C# ( and people told Vala is like C# ).
I learnt a bit too much of vala in thise half an hour. And I think so this will suffice.

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…Let me dig in the commits, when showtime was python…

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5

Here you are, a stripped down example. Note that the method to set font color & style is ancient history, you need to use css these days, but the principle is clear I gues:

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#!/usr/bin/env python3
import gi
gi.require_version("Gtk", "3.0")
gi.require_version("Gdk", "3.0")
from gi.repository import Gtk, Gdk, Pango
import cairo

class ShowTimeWin(Gtk.Window):
    def __init__(self):

        Gtk.Window.__init__(self, title="PrVflash")

        # window props, bindings
        self.set_type_hint(Gdk.WindowTypeHint.DESKTOP)
        self.set_decorated(False)
        self.connect("destroy", Gtk.main_quit)
        self.set_skip_taskbar_hint(True)
        # transparency
        screen = self.get_screen()
        visual = screen.get_rgba_visual()
        if all([visual, screen.is_composited()]):
            self.set_visual(visual)
        self.set_app_paintable(True)
        self.connect("draw", self.area_draw)
        # main grid
        self.timegrid = Gtk.Grid()
        self.timelabel = Gtk.Label(label="Monkey eats banana")
        self.timelabel.modify_font(Pango.FontDescription("Waree 60"))
        self.timelabel.modify_fg(Gtk.StateFlags.NORMAL, Gdk.color_parse("white"))
        self.timegrid.attach(self.timelabel, 0, 0, 1, 1)
        self.add(self.timegrid)
        self.set_position(Gtk.WindowPosition.CENTER)
        self.show_all()


    def area_draw(self, widget, cr):
        # set transparent color
        cr.set_source_rgba(0.2, 0.2, 0.2, 0)
        cr.set_operator(cairo.OPERATOR_SOURCE)
        cr.paint()
        cr.set_operator(cairo.OPERATOR_OVER)


def show():
    ShowTimeWin()
    Gtk.main()

show()
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6

So you mean the applet should behave like a seperate window ( But skipping the taskbar and being transparent ) ?

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Oh, wait, I assumed this was about drawing on desktop? But yes, it is a standalone window in all applets that show on the desktop. It is controlled from the applet though.

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