Update packaging and README

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
         run: |
           sudo add-apt-repository -y ppa:rockowitz/ddcutil
           sudo apt-get update
-          sudo apt-get install -y libgtk-3-dev ddcutil libddcutil-dev libglib2.0-dev gcc
+          sudo apt-get install -y gcc libglib2.0-dev libgtk-4-dev libadwaita-1-dev ddcutil libddcutil-dev
 
       - name: Set up Git repository
         uses: actions/checkout@v2
@@ -44,7 +44,7 @@ jobs:
     steps:
       - name: Install dependencies
         run: |
-          sudo dnf install -y git-all ddcutil libddcutil libddcutil-devel gtk3-devel fedora-packager rpmdevtools gcc
+          sudo dnf install -y git-all gcc gtk4-devel libadwaita-devel ddcutil libddcutil libddcutil-devel fedora-packager rpmdevtools
 
       - name: Set up Git repository
         uses: actions/checkout@v2

README.md

@@ -42,18 +42,17 @@ Latest rpm release is available on the releases page https://github.com/sidevesh
 
     ##### Arch Linux:
     ```
-    pacman -S --needed ddcutil gtk3
+    pacman -S --needed gtk4 libadwaita ddcutil
     ```
     
     ##### Ubuntu-based distros (credit @aidengilmartin):
     ```
-    sudo apt install libgtk3-dev gcc
     sudo add-apt-repository ppa:rockowitz/ddcutil # add ddcutil repo
-    sudo apt install ddcutil libddcutil-dev
+    sudo apt install gcc libglib2.0-dev libgtk-4-dev libadwaita-1-dev ddcutil libddcutil-dev
     ```
     ##### Fedora:
     ```
-    sudo dnf install ddcutil libddcutil libddcutil-devel gtk3-devel gcc
+    sudo dnf install gcc gtk4-devel libadwaita-devel ddcutil libddcutil libddcutil-devel
     ```
 
 2. Ensure that your user has access to the i2c devices:

rpm/com.sidevesh.Luminance.spec

@@ -10,6 +10,7 @@ BuildArch:      x86_64
 # Define the BuildRequires and Requires packages
 BuildRequires:  pkgconfig(glib-2.0)
 BuildRequires:  pkgconfig(gtk4)
+BuildRequires:  pkgconfig(libadwaita-1)
 
 Requires:       gtk4
 Requires:       libadwaita