wldesk

wldesk.conf

[Defaults]
columns=2
style=wldesk.css
wallpaper=wldesk.jpg

[Firefox]
# icon=/usr/share/icons/hicolor/48x48/apps/firefox.png
icon=/usr/share/icons/HighContrast/48x48/apps/firefox.png
exec=/usr/bin/firejail --disable-mnt --dns=9.9.9.9 --hostname=host --name=firefox --netfilter /usr/lib/firefox/firefox

[Termite]
icon=/usr/share/icons/HighContrast/48x48/apps/utilities-terminal.png
exec=/usr/bin/termite

wldesk.css

.icon {
  background-color: rgba(250,250,250,.6);
  border-radius: 15px;
  border-width: 0px;
  padding: 0px 20px 10px 20px;
}
.icon label{
  color: #222;
  font-size: 48px;
  padding-left: 10px;
}
.icon:hover {
  background-color: rgba(220,220,220,1);
}
.icon:hover label{
  color: #222;
}

wldesk.py

#!/usr/bin/python
import os,sys,gi
import configparser
import shlex, subprocess
gi.require_version('Gdk', '3.0')
gi.require_version('Gtk', '3.0')
from gi.repository import Gdk as gdk
from gi.repository import Gtk as gtk
from gi.repository import GdkPixbuf as gdkpixbuf

have_display = os.environ.get('WAYLAND_DISPLAY')
config = configparser.ConfigParser()
config.read(os.path.join(os.path.dirname(sys.argv[0]),'wldesk.conf'))

class Window(gtk.Window):
    def __init__(self):
        super().__init__(title='wldesk')
        self.overlay = gtk.Overlay()
        self.add(self.overlay)
        self.background = gtk.Image.new_from_file(config['Defaults']['wallpaper'])
        self.overlay.add(self.background)

        screen    = gdk.Display.get_default().get_default_screen()
        userstyle = gtk.CssProvider()
        gtk.StyleContext.add_provider_for_screen(
            screen, userstyle, gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
        )
        userstyle.load_from_path(
            os.path.join(os.path.dirname(sys.argv[0]),config['Defaults']['style'])
        )
        self.grid   = gtk.Grid(
            orientation=gtk.Orientation.VERTICAL,
            valign = gtk.Align.CENTER,
            halign = gtk.Align.CENTER,
            # valign = gtk.Align.FILL,
            # halign = gtk.Align.FILL,
            column_homogeneous = 1,
            column_spacing = 30,
            row_homogeneous = 1,
            row_spacing = 20,
            border_width = 40,
            # height = 46,
        )

        def popen(event,section):
            print(event)
            subprocess.Popen(shlex.split(config[section]['exec']))

        row=1
        column=0
        for section in config.sections():
            if section != 'Defaults':
                ico = gtk.Image.new_from_file(config[section]['icon'])
                b = gtk.Button(label=section)
                b.get_style_context().add_class("icon")
                b.set_always_show_image(True)
                b.set_image(ico)
                b.connect('clicked', popen, section)
                if column < int(config['Defaults']['columns']):
                    column+=1
                else:
                    column=0
                    row+=1
                self.grid.attach(b, column, row, 1, 1)
        self.overlay.add_overlay(self.grid)

if __name__ == '__main__':
    if not have_display:
        print('WAYLAND_DISPLAY is not set')
    win = Window()
    win.connect("destroy", gtk.main_quit)
    win.show_all()
    gtk.main()