add icon to destop entry and about dialog

auto-cpufreq-installer

@@ -64,6 +64,7 @@ function install {
   mkdir -p /usr/local/share/auto-cpufreq/
   cp -r scripts/ /usr/local/share/auto-cpufreq/
   cp -r images/ /usr/local/share/auto-cpufreq/
+  cp images/icon.png /usr/share/pixmaps/auto-cpufreq.png
 
   # this is necessary since we need this script before we can run auto-cpufreq itself
   cp scripts/auto-cpufreq-venv-wrapper /usr/local/bin/auto-cpufreq

auto_cpufreq/gui/objects.py

@@ -206,14 +206,20 @@ def __init__(self, parent):
         self.box.set_spacing(10)
         self.add_button("Close", Gtk.ResponseType.CLOSE)
         self.set_default_size(400, 350)
-
+        img_buffer = GdkPixbuf.Pixbuf.new_from_file_at_scale(
+                    filename="/usr/local/share/auto-cpufreq/images/icon.png",
+                    width=150,
+                    height=150,
+                    preserve_aspect_ratio=True)
+        self.image = Gtk.Image.new_from_pixbuf(img_buffer)
         self.title = Gtk.Label(label="auto-cpufreq", name="bold")
         self.version = Gtk.Label(label=app_version)
         self.python = Gtk.Label(label=f"Python {pl.python_version()}")
         self.github = Gtk.Label(label="https://github.com/AdnanHodzic/auto-cpufreq")
         self.license = Gtk.Label(label="Licensed under LGPL3", name="small")
         self.love = Gtk.Label(label="Made with <3", name="small")
 
+        self.box.pack_start(self.image, False, False, 0)
         self.box.pack_start(self.title, False, False, 0)
         self.box.pack_start(self.version, False, False, 0)
         self.box.pack_start(self.python, False, False, 0)

scripts/auto-cpufreq-gtk.desktop

@@ -3,4 +3,5 @@ Name=auto-cpufreq
 Exec=auto-cpufreq-gtk
 Type=Application
 Terminal=false
+Icon=auto-cpufreq
 Categories=System;