update colorpicker to use kdialog

wayland/bin/wl-color-picker.sh

@@ -45,9 +45,8 @@ done
 
 # Check if running under wayland.
 if [ "$WAYLAND_DISPLAY" = "" ]; then
-    zenity  --error --width 400 \
+  kdialog --error "This color picker must be run under a valid wayland session." \
-        --title "No wayland session found." \
+    --title "No wayland session found."
-        --text "This color picker must be run under a valid wayland session."
 
   exit 1
 fi
@@ -61,18 +60,20 @@ sleep 1
 
 # Store the hex color value using graphicsmagick or imagemagick.
 if command -v /usr/bin/gm &>/dev/null; then
-    color=$(grim -g "$position" -t png - \
+  color=$(
-        | /usr/bin/gm convert - -format '%[pixel:p{0,0}]' txt:- \
+    grim -g "$position" -t png - |
-        | tail -n 1 \
+      /usr/bin/gm convert - -format '%[pixel:p{0,0}]' txt:- |
-        | rev \
+      tail -n 1 |
-        | cut -d ' ' -f 1 \
+      rev |
-        | rev
+      cut -d ' ' -f 1 |
+      rev
   )
 else
-    color=$(grim -g "$position" -t png - \
+  color=$(
-        | convert - -format '%[pixel:p{0,0}]' txt:- \
+    grim -g "$position" -t png - |
-        | tail -n 1 \
+      convert - -format '%[pixel:p{0,0}]' txt:- |
-        | cut -d ' ' -f 4
+      tail -n 1 |
+      cut -d ' ' -f 4
   )
 fi
 
@@ -83,9 +84,10 @@ if [ $CLIPBOARD -eq 1 ]; then
   fi
 else
   # Display a color picker and store the returned rgb color
-    rgb_color=$(zenity --color-selection \
+  rgb_color=$(
+    kdialog --getcolor \
       --title="Copy color to Clipboard" \
-        --color="${color}"
+      --default "${color}"
   )
 
   # Execute if user didn't click cancel