bin/impishgdm

   1 #!/bin/bash
   2
   3 codename=$(cat /etc/os-release | grep UBUNTU_CODENAME | cut -d = -f 2)
   4
   5 if [ "$codename" == "impish" ]
   6 then
   7 source="/usr/share/gnome-shell/theme/Yaru/gnome-shell-theme.gresource"
   8 else
   9 echo "
  10 ----------------------------------------
  11 Sorry, Script is only for Ubuntu 21.10
  12 Exiting...
  13 ----------------------------------------"
  14 exit 1
  15 fi
  16
  17 pkg=$(dpkg -l | grep libglib2.0-dev >/dev/null && echo "yes" || echo "no")
  18 if [ "$pkg" == "no" ]
  19 then
  20 echo "
  21 -----------------------------------------------------------------------------------------------------
  22 Sorry, the package 'libglib2.0-dev' is not installed. Install the package and then run this Script.
  23 For now, Exiting...
  24 -----------------------------------------------------------------------------------------------------"
  25 exit 1
  26 fi
  27
  28 ############################################################################################
  29 case "$1" in ###############################################################################
  30 ############################################################################################
  31 --set)
  32 ############################################################################################
  33
  34 if [ "$UID" != "0" ]
  35 then
  36 echo "This Script must be run with sudo"
  37 exit 1
  38 fi
  39
  40 echo "
  41 -------------------------------------------------------------------------------------------------------
  42 Please note that after setting login screen background,
  43 >>>>>>>>> Reboot is highly recomonded to see the changes <<<<<<<<<<<<
  44
  45 Do you want to proceed now? [Yes/no] Type n to exit, or press enter to proceed.
  46 -------------------------------------------------------------------------------------------------------"
  47 read answer
  48
  49 if [ "$answer" == "n" ] || [ "$answer" == "N" ]
  50 then
  51 echo "Exiting..."
  52 exit 1
  53 fi
  54
  55 echo "
  56 Please Choose any one number from below.
  57 -------------
  58 1. for Image
  59 2. for Color
  60 -------------"
  61 read a
  62
  63 if [ -z $a ]
  64 then
  65 echo "Option is not selected.
  66 Exiting..."
  67 exit 1
  68 fi
  69
  70 if [ "$a" == "1" ]
  71 then
  72 echo "Enter Image Path for Login Screen
  73 ----------------------------------------------------
  74 Example1: /usr/share/backgrounds/2.jpg
  75 Example2: /usr/local/share/backgrounds/spaceship.png
  76 Example3: /home/impish/Downloads/myBG.jpeg
  77 ----------------------------------------------------"
  78 read b
  79
  80 elif [ "$a" == "2" ]
  81 then
  82 echo "
  83 Enter Hex Color Code for Login Screen (you may note down colors of your choice from this link https://www.color-hex.com/)
  84 -------------------------------------------------------------------------------------------------------------------------
  85 Example1: #00ff00
  86 Example2: #fca
  87 Example3: #456789
  88 Example4: #123
  89 Example5: #FF00FF
  90 -------------------------------------------------------------------------------------------------------------------------"
  91 read c
  92 fi
  93
  94 if [ -z $b ] && [ -z $c ]
  95 then
  96 echo "Input is not Provided.
  97 Exiting..."
  98 exit 1
  99 fi
 100
 101 if [ -z $c ]
 102 then
 103 color="#042320"
 104 else
 105 color="$c"
 106 fi
 107
 108 if ! [ -z $c ]
 109 then
 110         if ! [[ $c =~ ^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$ ]]; then
 111         echo "
 112 ------------------------------------------------------------------------------------------------------------
 113         Sorry it is not a valid Hex color, Please choose the valid HEX color first and then run this script.
 114 ------------------------------------------------------------------------------------------------------------"
 115         exit 1
 116         fi
 117 fi
 118
 119 if ! [ -z $b ]
 120 then
 121         if ! [ -e $b ]; then
 122         echo "
 123 ---------------------------------------------------------------------------------------------------
 124 Image path you entered does not exist, script defined background color is going to be used for now.
 125 Please notedown the correct file path of the Image and then run this script.
 126 ---------------------------------------------------------------------------------------------------"
 127         fi
 128 fi
 129
 130 prefix="/org/gnome/shell/theme"
 131 dest="/usr/local/share/gnome-shell/theme/impishgdm"
 132
 133 install -D /dev/null $dest/gdm.css
 134 install -D /dev/null $dest/impishgdm.gresource.xml
 135 install -d $dest/icons/scalable/actions
 136
 137 gresource extract $source $prefix/gdm.css > $dest/original.css
 138 gresource extract $source $prefix/checkbox.svg > $dest/checkbox.svg
 139 gresource extract $source $prefix/checkbox-off.svg > $dest/checkbox-off.svg
 140 gresource extract $source $prefix/checkbox-focused.svg > $dest/checkbox-focused.svg
 141 gresource extract $source $prefix/checkbox-off-focused.svg > $dest/checkbox-off-focused.svg
 142 gresource extract $source $prefix/toggle-on.svg > $dest/toggle-on.svg
 143 gresource extract $source $prefix/toggle-off.svg > $dest/toggle-off.svg
 144 gresource extract $source $prefix/icons/scalable/actions/pointer-drag-symbolic.svg > $dest/icons/scalable/actions/pointer-drag-symbolic.svg
 145 gresource extract $source $prefix/icons/scalable/actions/keyboard-enter-symbolic.svg > $dest/icons/scalable/actions/keyboard-enter-symbolic.svg
 146 gresource extract $source $prefix/icons/scalable/actions/keyboard-hide-symbolic.svg > $dest/icons/scalable/actions/keyboard-hide-symbolic.svg
 147 gresource extract $source $prefix/icons/scalable/actions/pointer-secondary-click-symbolic.svg > $dest/icons/scalable/actions/pointer-secondary-click-symbolic.svg
 148 gresource extract $source $prefix/icons/scalable/actions/keyboard-shift-filled-symbolic.svg > $dest/icons/scalable/actions/keyboard-shift-filled-symbolic.svg
 149 gresource extract $source $prefix/icons/scalable/actions/keyboard-caps-lock-filled-symbolic.svg > $dest/icons/scalable/actions/keyboard-caps-lock-filled-symbolic.svg
 150 gresource extract $source $prefix/icons/scalable/actions/pointer-primary-click-symbolic.svg > $dest/icons/scalable/actions/pointer-primary-click-symbolic.svg
 151 gresource extract $source $prefix/icons/scalable/actions/keyboard-layout-filled-symbolic.svg > $dest/icons/scalable/actions/keyboard-layout-filled-symbolic.svg
 152 gresource extract $source $prefix/icons/scalable/actions/eye-not-looking-symbolic.svg > $dest/icons/scalable/actions/eye-not-looking-symbolic.svg
 153 gresource extract $source $prefix/icons/scalable/actions/pointer-double-click-symbolic.svg > $dest/icons/scalable/actions/pointer-double-click-symbolic.svg
 154 gresource extract $source $prefix/icons/scalable/actions/eye-open-negative-filled-symbolic.svg > $dest/icons/scalable/actions/eye-open-negative-filled-symbolic.svg
 155
 156 echo '@import url("resource:///org/gnome/shell/theme/original.css");
 157   #lockDialogGroup {
 158   background: '$color' url(file://'$b');
 159   background-repeat: no-repeat;
 160   background-size: cover;
 161   background-position: center; }' > $dest/gdm.css
 162
 163 echo '<?xml version="1.0" encoding="UTF-8"?>
 164 <gresources>
 165   <gresource prefix="/org/gnome/shell/theme">
 166     <file>original.css</file>
 167     <file>gdm.css</file>
 168     <file>toggle-off.svg</file>
 169     <file>checkbox-off.svg</file>
 170     <file>toggle-on.svg</file>
 171     <file>checkbox-off-focused.svg</file>
 172     <file>checkbox-focused.svg</file>
 173     <file>checkbox.svg</file>
 174     <file>icons/scalable/actions/pointer-drag-symbolic.svg</file>
 175     <file>icons/scalable/actions/keyboard-enter-symbolic.svg</file>
 176     <file>icons/scalable/actions/keyboard-hide-symbolic.svg</file>
 177     <file>icons/scalable/actions/pointer-secondary-click-symbolic.svg</file>
 178     <file>icons/scalable/actions/keyboard-shift-filled-symbolic.svg</file>
 179     <file>icons/scalable/actions/keyboard-caps-lock-filled-symbolic.svg</file>
 180     <file>icons/scalable/actions/pointer-primary-click-symbolic.svg</file>
 181     <file>icons/scalable/actions/keyboard-layout-filled-symbolic.svg</file>
 182     <file>icons/scalable/actions/eye-not-looking-symbolic.svg</file>
 183     <file>icons/scalable/actions/pointer-double-click-symbolic.svg</file>
 184     <file>icons/scalable/actions/eye-open-negative-filled-symbolic.svg</file>
 185   </gresource>
 186 </gresources>' > $dest/impishgdm.gresource.xml
 187
 188 cd $dest
 189 glib-compile-resources impishgdm.gresource.xml
 190 mv impishgdm.gresource ..
 191 rm -r $dest
 192 update-alternatives --quiet --install /usr/share/gnome-shell/gdm-theme.gresource gdm-theme.gresource /usr/local/share/gnome-shell/theme/impishgdm.gresource 0
 193 update-alternatives --quiet --set gdm-theme.gresource /usr/local/share/gnome-shell/theme/impishgdm.gresource
 194
 195 check=$(update-alternatives --query gdm-theme.gresource | grep Value | grep /usr/local/share/gnome-shell/theme/impishgdm.gresource >/dev/null && echo "pass" || echo "fail")
 196 if [ "$check" == "pass" ]
 197 then
 198 echo "
 199                                                 ---------
 200                                                 |Success|
 201                                                 ---------"
 202 else
 203 echo Failure
 204 exit 1
 205 fi
 206 ;;
 207 ############################################################################################
 208 --reset) ###################################################################################
 209 ############################################################################################
 210
 211 if [ -e /usr/local/share/gnome-shell/theme/impishgdm.gresource ]
 212 then
 213 rm /usr/local/share/gnome-shell/theme/impishgdm.gresource
 214 update-alternatives --quiet --set gdm-theme.gresource "$source"
 215 cd /usr/local/share
 216 rmdir --ignore-fail-on-non-empty -p gnome-shell/theme
 217 echo "
 218                                                 ---------------
 219                                                 |Reset Success|
 220                                                 ---------------"
 221 else
 222 echo "
 223 -----------------------------------------------------------------------------
 224 No need, Already Reset. (or unlikely background is not set using this Script.)
 225 -----------------------------------------------------------------------------"
 226 exit 1
 227 fi
 228 ;;
 229 ############################################################################################
 230 *) #########################################################################################
 231 ############################################################################################
 232 echo "Use the parameter '--set' or '--reset'; example: './impishgdm --set' or './impishgdm --reset'"
 233 exit 1
 234 esac