diff --git a/kometa-xdg.spec b/kometa-xdg.spec
index 2698fc1..1cd89cd 100644
--- a/kometa-xdg.spec
+++ b/kometa-xdg.spec
@@ -3,7 +3,7 @@ Summary: XDG desktop settings for Kometa distros
 Summary(ru): Настройки рабочего окружения дистрибутивов Комета
 License: GPL-3.0
 Group: Graphical desktop/Other
-Version: 1.3
+Version: 1.4
 Release: alt1
 Source0: kometa-xdg-%version.tar
 Source1: COPYING
@@ -18,19 +18,26 @@ XDG desktop settings for Kometa distros
 #--------------------------------------------------------------
 
 %package core
-Summary: DE-agnostic desktop settings for Kometa distros
-Summary(ru): DE-независимые настройки рабочих окружений дистрибутивов Комета
+Summary: Engine to set distribution-specific desktop settings
+Summary(ru): Движок установки дистрибутиво-специфичных настроек рабочего стола
 Group: Graphical desktop/Other
 Requires: sed
 
 %description core
-DE-agnostic desktop settings for Kometa distros
+Engine to set distribution-specific desktop settings.
+Sets environmental variables $XDG_CONFIG_DIRS and $XDG_DATA_DIRS,
+adding /etc/xdg/kometa and /usr/share/kometa into them.
+Can be used separately from Kometa.
 %description -l ru_RU.UTF-8 core
-DE-независимые настройки рабочих окружений дистрибутивов Комета
+Движок установки дистрибутиво-специфичных настроек рабочего стола.
+Устонавливает переменные окружения $XDG_CONFIG_DIRS и $XDG_DATA_DIRS,
+добавляя в них /etc/xdg/kometa и /usr/share/kometa.
+Может быть использован вне кометы.
 
 %files core
 %doc COPYING
 %dir /etc/xdg/kometa
+%dir /usr/share/kometa
 %_bindir/kometa-xdg-env
 %_user_env_gen_dir/10-kometa-xdg.sh
 /etc/profile.d/10-kometa-xdg.sh
@@ -57,6 +64,9 @@ KDE 5 desktop settings for classic variant of Kometa
 /etc/xdg/kometa/kcminputrc
 /etc/xdg/kometa/kdeglobals
 /etc/xdg/kometa/kxkbrc
+%dir /usr/share/kometa/kxmlgui5
+%dir /usr/share/kometa/kxmlgui5/dolphin
+/usr/share/kometa/kxmlgui5/dolphin/dolphinui.rc
 
 #--------------------------------------------------------------
 
@@ -152,7 +162,9 @@ install -m0755 scripts/profile.sh %buildroot/etc/profile.d/10-kometa-xdg.sh
 install -m0755 scripts/systemd.sh %buildroot%_user_env_gen_dir/10-kometa-xdg.sh
 
 mkdir -p %buildroot/etc/xdg/kometa
-install -m0644 plasma5/* %buildroot/etc/xdg/kometa
+cp -rv plasma5/XDG_CONFIG_DIRS/* %buildroot/etc/xdg/kometa
+mkdir -p %buildroot/usr/share/kometa
+cp -rv plasma5/XDG_DATA_DIRS/* %buildroot/usr/share/kometa
 
 mkdir -p %buildroot%_datadir
 echo QT_QPA_PLATFORMTHEME=gtk3 > %buildroot/%_datadir/kometa-pam-env
@@ -162,6 +174,10 @@ cd scripts
 ./test.sh
 
 %changelog
+* Fri Dec 24 2021 Mikhail Novosyolov <mikhailnov@altlinux.org> 1.4-alt1
+- Add setting $XDG_DATA_DIRS, enable "Show Previews" button in Dolphin
+- Tune description: note that kometa-xdg-core can be used just to set env outside of Kometa
+
 * Thu Dec 16 2021 Mikhail Novosyolov <mikhailnov@altlinux.org> 1.3-alt1
 - Turn off NumLock by default in KDE 5
 
diff --git a/plasma5/dolphinrc b/plasma5/XDG_CONFIG_DIRS/dolphinrc
similarity index 100%
rename from plasma5/dolphinrc
rename to plasma5/XDG_CONFIG_DIRS/dolphinrc
diff --git a/plasma5/kcminputrc b/plasma5/XDG_CONFIG_DIRS/kcminputrc
similarity index 100%
rename from plasma5/kcminputrc
rename to plasma5/XDG_CONFIG_DIRS/kcminputrc
diff --git a/plasma5/kdeglobals b/plasma5/XDG_CONFIG_DIRS/kdeglobals
similarity index 100%
rename from plasma5/kdeglobals
rename to plasma5/XDG_CONFIG_DIRS/kdeglobals
diff --git a/plasma5/kxkbrc b/plasma5/XDG_CONFIG_DIRS/kxkbrc
similarity index 100%
rename from plasma5/kxkbrc
rename to plasma5/XDG_CONFIG_DIRS/kxkbrc
diff --git a/plasma5/XDG_DATA_DIRS/kxmlgui5/dolphin/dolphinui.rc b/plasma5/XDG_DATA_DIRS/kxmlgui5/dolphin/dolphinui.rc
new file mode 100644
index 0000000..c6682c6
--- /dev/null
+++ b/plasma5/XDG_DATA_DIRS/kxmlgui5/dolphin/dolphinui.rc
@@ -0,0 +1,203 @@
+<!DOCTYPE gui>
+<gui name="dolphin" version="35" translationDomain="kxmlgui5">
+ <MenuBar>
+  <Menu name="file" noMerge="1">
+   <text translationDomain="kxmlgui5">&amp;File</text>
+   <Action name="file_new"/>
+   <Separator weakSeparator="1"/>
+   <Action name="new_menu"/>
+   <Action name="file_new"/>
+   <Action name="new_tab"/>
+   <Action name="file_close"/>
+   <Action name="undo_close_tab"/>
+   <Separator/>
+   <Action name="add_to_places"/>
+   <Separator/>
+   <Action name="renamefile"/>
+   <Action name="duplicate"/>
+   <Action name="movetotrash"/>
+   <Action name="deletefile"/>
+   <Separator/>
+   <Action name="show_target"/>
+   <Separator/>
+   <Action name="properties"/>
+   <Separator weakSeparator="1"/>
+   <Action name="file_close"/>
+   <Separator weakSeparator="1"/>
+   <Action name="file_quit"/>
+  </Menu>
+  <Menu name="edit" noMerge="1">
+   <text translationDomain="kxmlgui5">&amp;Edit</text>
+   <Action name="edit_undo"/>
+   <Separator weakSeparator="1"/>
+   <Action name="edit_cut"/>
+   <Action name="edit_copy"/>
+   <Action name="edit_paste"/>
+   <Separator weakSeparator="1"/>
+   <Action name="edit_select_all"/>
+   <Separator weakSeparator="1"/>
+   <Action name="edit_find"/>
+   <Separator weakSeparator="1"/>
+   <Action name="edit_undo"/>
+   <Separator/>
+   <Action name="edit_cut"/>
+   <Action name="edit_copy"/>
+   <Action name="copy_location"/>
+   <Action name="edit_paste"/>
+   <Separator/>
+   <Action name="show_filter_bar"/>
+   <Action name="edit_find"/>
+   <Separator/>
+   <Action name="copy_to_inactive_split_view"/>
+   <Action name="move_to_inactive_split_view"/>
+   <Action name="edit_select_all"/>
+   <Action name="invert_selection"/>
+  </Menu>
+  <Menu name="view" noMerge="1">
+   <text translationDomain="kxmlgui5">&amp;View</text>
+   <Action name="view_zoom_in"/>
+   <Action name="view_zoom_out"/>
+   <Separator weakSeparator="1"/>
+   <Action name="view_redisplay"/>
+   <Separator weakSeparator="1"/>
+   <Action name="view_zoom_in"/>
+   <Action name="view_zoom_reset"/>
+   <Action name="view_zoom_out"/>
+   <Separator/>
+   <Action name="sort"/>
+   <Action name="view_mode"/>
+   <Action name="additional_info"/>
+   <Action name="show_preview"/>
+   <Action name="show_in_groups"/>
+   <Action name="show_hidden_files"/>
+   <Separator/>
+   <Action name="split_view"/>
+   <Action name="split_stash"/>
+   <Action name="redisplay"/>
+   <Action name="stop"/>
+   <Separator/>
+   <Action name="panels"/>
+   <Menu name="location_bar" noMerge="1" icon="edit-select-text">
+    <text translationDomain="dolphin" context="@title:menu">Location Bar</text>
+    <Action name="editable_location"/>
+    <Action name="replace_location"/>
+   </Menu>
+   <Separator/>
+   <Action name="view_properties"/>
+  </Menu>
+  <Menu name="go" noMerge="1">
+   <text translationDomain="kxmlgui5">&amp;Go</text>
+   <Action name="go_up"/>
+   <Action name="go_back"/>
+   <Action name="go_forward"/>
+   <Action name="go_home"/>
+   <Separator weakSeparator="1"/>
+   <Action name="bookmarks"/>
+   <Action name="closed_tabs"/>
+  </Menu>
+  <Menu name="tools" noMerge="1">
+   <text translationDomain="kxmlgui5">&amp;Tools</text>
+   <Action name="open_preferred_search_tool"/>
+   <Action name="open_terminal"/>
+   <Action name="focus_terminal_panel"/>
+   <Action name="compare_files"/>
+   <Action name="change_remote_encoding"/>
+  </Menu>
+  <Menu name="settings" noMerge="1">
+   <text translationDomain="kxmlgui5">&amp;Settings</text>
+   <Action name="options_show_menubar"/>
+   <Merge name="StandardToolBarMenuHandler"/>
+   <Merge name="KMDIViewActions"/>
+   <Separator weakSeparator="1"/>
+   <Action name="switch_application_language"/>
+   <Action name="options_configure_keybinding"/>
+   <Action name="options_configure_toolbars"/>
+   <Action name="options_configure"/>
+  </Menu>
+  <Separator weakSeparator="1"/>
+  <Menu name="help" noMerge="1">
+   <text translationDomain="kxmlgui5">&amp;Help</text>
+   <Action name="help_contents"/>
+   <Action name="help_whats_this"/>
+   <Separator weakSeparator="1"/>
+   <Action name="help_report_bug"/>
+   <Separator weakSeparator="1"/>
+   <Action name="help_donate"/>
+   <Separator weakSeparator="1"/>
+   <Action name="help_about_app"/>
+   <Action name="help_about_kde"/>
+  </Menu>
+ </MenuBar>
+ <ToolBar name="mainToolBar" noMerge="1">
+  <text translationDomain="dolphin" context="@title:menu">Main Toolbar</text>
+  <Action name="go_back"/>
+  <Action name="go_up"/>
+  <Action name="go_forward"/>
+  <Separator name="separator_0"/>
+  <Action name="icons"/>
+  <Action name="compact"/>
+  <Action name="details"/>
+  <Action name="url_navigators"/>
+  <Action name="show_preview"/>
+  <Action name="split_view"/>
+  <Action name="split_stash"/>
+  <Action name="toggle_search"/>
+  <Action name="hamburger_menu"/>
+ </ToolBar>
+ <State name="new_file">
+  <disable>
+   <Action name="edit_undo"/>
+   <Action name="edit_redo"/>
+   <Action name="edit_cut"/>
+   <Action name="edit_copy"/>
+   <Action name="renamefile"/>
+   <Action name="movetotrash"/>
+   <Action name="deletefile"/>
+   <Action name="invert_selection"/>
+   <Separator/>
+   <Action name="go_back"/>
+   <Action name="go_forward"/>
+  </disable>
+ </State>
+ <State name="has_selection">
+  <enable>
+   <Action name="edit_cut"/>
+   <Action name="edit_copy"/>
+   <Action name="renamefile"/>
+   <Action name="duplicate"/>
+   <Action name="movetotrash"/>
+   <Action name="deletefile"/>
+   <Action name="invert_selection"/>
+  </enable>
+ </State>
+ <State name="has_no_selection">
+  <disable>
+   <Action name="edit_cut"/>
+   <Action name="edit_copy"/>
+   <Action name="renamefile"/>
+   <Action name="duplicate"/>
+   <Action name="movetotrash"/>
+   <Action name="deletefile"/>
+   <Action name="delete_shortcut"/>
+   <Action name="invert_selection"/>
+  </disable>
+ </State>
+ <ActionProperties scheme="Default">
+  <Action name="go_back" priority="0"/>
+  <Action name="go_forward" priority="0"/>
+  <Action name="go_up" priority="0"/>
+  <Action name="go_home" priority="0"/>
+  <Action name="stop" priority="0"/>
+  <Action name="icons" priority="0"/>
+  <Action name="compact" priority="0"/>
+  <Action name="details" priority="0"/>
+  <Action name="view_zoom_in" priority="0"/>
+  <Action name="view_zoom_reset" priority="0"/>
+  <Action name="view_zoom_out" priority="0"/>
+  <Action name="edit_cut" priority="0"/>
+  <Action name="edit_copy" priority="0"/>
+  <Action name="edit_paste" priority="0"/>
+  <Action name="toggle_search" priority="0"/>
+  <Action name="toggle_filter" priority="0"/>
+ </ActionProperties>
+</gui>
diff --git a/scripts/kometa-xdg-env b/scripts/kometa-xdg-env
index 25a6e18..76de56b 100755
--- a/scripts/kometa-xdg-env
+++ b/scripts/kometa-xdg-env
@@ -1,7 +1,8 @@
 #!/bin/sh
 KOMETA_XDG_TESTING="${KOMETA_XDG_TESTING:-0}"
 KOMETA_XDG_TYPE="${KOMETA_XDG_TYPE:-}"
-KOMETA_XDG_DIR=/etc/xdg/kometa
+KOMETA_XDG_CONFIG_DIR=/etc/xdg/kometa
+KOMETA_XDG_DATA_DIR=/usr/share/kometa
 XDG_CONFIG_DIRS="${XDG_CONFIG_DIRS:-}"
 
 _check_runability(){
@@ -26,44 +27,51 @@ _check_runability(){
 # * is not a mess and is a valid value
 # * does not have repeated directories (if it has, we will probably still be OK)
 # $1: current value of $XDG_CONFIG_DIRS
-_mk_xdg_config_dirs(){
+_mk_xdg_dirs(){
     local tmp
+    # current value
     tmp="$1"
+    # /etc/xdg, /usr/share
+    root1="$2"
+    # /etc/kf5/xdg, /usr/share/kf5
+    root2="$3"
+    # /etc/xdg/kometa, /usr/share/kometa
+    add="$4"
     case "$tmp" in
         "" )
             # https://bugzilla.altlinux.org/show_bug.cgi?id=41566
-            tmp=/etc/kf5/xdg:/etc/xdg
+            tmp="$root2":"$root1"
         ;;
-        :/etc/xdg )
+        :"$root1" )
             # not a valid value!
-            tmp=/etc/xdg
+            tmp="$root1"
         ;;
-        /etc/xdg )
+        "$root1" )
             :
         ;;
-        */etc/xdg )
+        *"$root1" )
             :
         ;;
         * )
-            # not a valid values - does not end with /etc/xdg
-            tmp="$tmp:/etc/xdg"
+            # not a valid values - does not end with /etc/xdg or /usr/share
+            tmp="$tmp":"$root1"
         ;;
     esac
     case "$tmp" in
-        *:/etc/xdg/kometa:* | /etc/xdg/kometa:* )
+        *:"$root1"/kometa:* | "$root1"/kometa:* )
             :
         ;;
-        *:/etc/kf5/xdg:* )
-            tmp="$(echo "$tmp" | sed -e "s,:/etc/kf5/xdg:,:$KOMETA_XDG_DIR:/etc/kf5/xdg:,")"
+        *:"$root2":* )
+            tmp="$(echo "$tmp" | sed -e "s,:${root2}:,:${add}:${root2}:,")"
         ;;
-        /etc/kf5/xdg:* )
-            tmp="$(echo "$tmp" | sed -e "s,^/etc/kf5/xdg:,$KOMETA_XDG_DIR:/etc/kf5/xdg:,")"
+        "$root2":* )
+            tmp="$(echo "$tmp" | sed -e "s,^${root2}:,${add}:${root2}:,")"
         ;;
-        *:/etc/xdg )
-            tmp="$(echo "$tmp" | sed -e "s,:/etc/xdg,:$KOMETA_XDG_DIR:/etc/xdg,")"
+        *:"$root1" )
+            tmp="$(echo "$tmp" | sed -e "s,:${root1},:${add}:${root1},")"
         ;;
-        /etc/xdg )
-            tmp="$(echo "$tmp" | sed -e "s,^/etc/xdg,$KOMETA_XDG_DIR:/etc/xdg,")"
+        "$root1" )
+            tmp="$(echo "$tmp" | sed -e "s,^${root1},${add}:${root1},")"
         ;;
     esac
     echo "$tmp"
@@ -73,13 +81,17 @@ _main(){
     _check_runability "$1"
     # $XDG_DATA_DIRS may be added
     local result_xdg_config_dirs
-    result_xdg_config_dirs="$(_mk_xdg_config_dirs "$XDG_CONFIG_DIRS")"
+    result_xdg_config_dirs="$(_mk_xdg_dirs "$XDG_CONFIG_DIRS" /etc/xdg /etc/kf5/xdg "$KOMETA_XDG_CONFIG_DIR")"
+    local result_xdg_data_dirs
+    result_xdg_data_dirs="$(_mk_xdg_dirs "$XDG_DATA_DIRS" /usr/share /usr/share/kf5 "$KOMETA_XDG_DATA_DIR")"
     case "$1" in
         systemd )
             echo XDG_CONFIG_DIRS="$result_xdg_config_dirs"
+            echo XDG_DATA_DIRS="$result_xdg_data_dirs"
         ;;
         profile )
             export XDG_CONFIG_DIRS="$result_xdg_config_dirs"
+            export XDG_DATA_DIRS="$result_xdg_data_dirs"
         ;;
     esac
 }
diff --git a/scripts/test.sh b/scripts/test.sh
index 524da12..1c8f223 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -3,13 +3,19 @@ set -x
 set -e
 trap 'if [ $? != 0 ]; then echo "ERROR!!!"; fi' EXIT
 KOMETA_XDG_TESTING=1
-KOMETA_XDG_DIR=/etc/xdg/kometa
+KOMETA_XDG_CONFIG_DIR=/etc/xdg/kometa
+KOMETA_XDG_DATA_DIR=/usr/share/kometa
 export PATH="$PWD:$PATH"
 . ./kometa-xdg-env
-[ "$(_mk_xdg_config_dirs /etc/xdg)" = $KOMETA_XDG_DIR:/etc/xdg ]
-[ "$(_mk_xdg_config_dirs /etc/foo)" = /etc/foo:$KOMETA_XDG_DIR:/etc/xdg ]
-[ "$(_mk_xdg_config_dirs /etc/foo:/etc/xdg)" = /etc/foo:$KOMETA_XDG_DIR:/etc/xdg ]
-[ "$(_mk_xdg_config_dirs /etc/foo:$KOMETA_XDG_DIR:/etc/kf5/xdg:/etc/xdg)" = /etc/foo:$KOMETA_XDG_DIR:/etc/kf5/xdg:/etc/xdg ]
-[ "$(_mk_xdg_config_dirs /home/user/.config/kdedefaults:/etc/kf5/xdg:/etc/xdg)" = /home/user/.config/kdedefaults:$KOMETA_XDG_DIR:/etc/kf5/xdg:/etc/xdg ]
+
+# $XDG_CONFIG_DIRS
+[ "$(_mk_xdg_dirs /etc/xdg /etc/xdg /etc/kf5/xdg "$KOMETA_XDG_CONFIG_DIR")" = $KOMETA_XDG_CONFIG_DIR:/etc/xdg ]
+[ "$(_mk_xdg_dirs /etc/foo /etc/xdg /etc/kf5/xdg "$KOMETA_XDG_CONFIG_DIR")" = /etc/foo:$KOMETA_XDG_CONFIG_DIR:/etc/xdg ]
+[ "$(_mk_xdg_dirs /etc/foo:/etc/xdg /etc/xdg /etc/kf5/xdg "$KOMETA_XDG_CONFIG_DIR")" = /etc/foo:$KOMETA_XDG_CONFIG_DIR:/etc/xdg ]
+[ "$(_mk_xdg_dirs /etc/foo:$KOMETA_XDG_CONFIG_DIR:/etc/kf5/xdg:/etc/xdg /etc/xdg /etc/kf5/xdg "$KOMETA_XDG_CONFIG_DIR")" = /etc/foo:$KOMETA_XDG_CONFIG_DIR:/etc/kf5/xdg:/etc/xdg ]
+[ "$(_mk_xdg_dirs /home/user/.config/kdedefaults:/etc/kf5/xdg:/etc/xdg /etc/xdg /etc/kf5/xdg "$KOMETA_XDG_CONFIG_DIR")" = /home/user/.config/kdedefaults:$KOMETA_XDG_CONFIG_DIR:/etc/kf5/xdg:/etc/xdg ]
 # https://bugzilla.altlinux.org/show_bug.cgi?id=41566
-[ "$(_mk_xdg_config_dirs "")" = $KOMETA_XDG_DIR:/etc/kf5/xdg:/etc/xdg ]
+[ "$(_mk_xdg_dirs "" /etc/xdg /etc/kf5/xdg "$KOMETA_XDG_CONFIG_DIR")" = $KOMETA_XDG_CONFIG_DIR:/etc/kf5/xdg:/etc/xdg ]
+
+# $XDG_DATA_DIRS
+[ "$(_mk_xdg_dirs /usr/share /usr/share /usr/share/kf5 "$KOMETA_XDG_DATA_DIR")" = $KOMETA_XDG_DATA_DIR:/usr/share ]