Add an initial setup feature for Plasma Wayland

enables IBus as the active virtual keyboard on the first login,
allowing users to input text using IBus without manual configuration

Fix boo#1084804, boo#1246423

20-ibus-plasma-setup.sh

@@ -0,0 +1,60 @@
+#!/bin/sh
+
+#
+# If the virtual keyboard of Plasma Wayland has not been configured,
+# configure it for this IM.
+#
+
+im_name="ibus"
+desktop_file="/usr/share/applications/org.freedesktop.IBus.Panel.Wayland.Gtk3.desktop"
+
+# Do nothing for X11 session
+if [ "$XDG_SESSION_TYPE" != "wayland" ]; then
+    exit 0
+fi
+
+# Do nothing if kreadconfig6 is not available
+if ! command -v kreadconfig6 >/dev/null 2>&1; then
+    exit 0
+fi
+
+# check current virtual keyboard
+current_im=$(kreadconfig6 --file kwinrc --group Wayland --key InputMethod)
+
+#
+# initialize virtual keyboard if not configured yet
+#
+
+# check if $XDG_CONFIG_HOME/plasma_wayland_input_method_configured does not exist
+config_dir="${XDG_CONFIG_HOME:-$HOME/.config}"
+stamp_file="$config_dir/plasma_wayland_input_method_configured"
+if [ ! -e "$stamp_file" ]; then
+    mkdir -p "$config_dir"
+    echo "$im_name" > "$stamp_file"
+
+    # check current virtual keyboard is None
+    if [ -z "$current_im" ]; then
+        # The virtual keyboard is not configured
+        echo "$0 is configuring the virtual keyboard for IBus."
+        current_im=$desktop_file
+        kwriteconfig6 --file kwinrc --group Wayland --key InputMethod $current_im
+    else
+        echo "$0 detected a virtual keyboard configured."
+    fi
+fi
+
+#
+# export environment variables for applications running on Xwayland
+#
+if [ "$current_im" = "$desktop_file" ]; then
+    # do not override Qt IM module settings
+    if [ -z "$QT_IM_MODULE" ] && [ -z "$QT_IM_MODULES" ]; then
+        echo "$0 is setting QT_IM_MODULES for $im_name."
+        export QT_IM_MODULES="wayland;$im_name"
+    fi
+    # do not override xim settings
+    if [ -z "$XMODIFIERS" ]; then
+        echo "$0 is setting XMODIFIERS for $im_name."
+        export XMODIFIERS="@im=$im_name"
+    fi
+fi

ibus-autostart

@@ -1,5 +1,12 @@
 #!/bin/sh
 
+#
+# Normal start process for X11 session
+# Note that INPUT_METHOD is not usually set under a Wayland session.
+#
+# For Plasma Wayland, see also /usr/etc/xdg/plasma-workspace/env/20-ibus-plasma-setup.sh.
+# To configure input method (virtual keyboard), please use KDE System Settings rather than
+# INPUT_METHOD variable.
 test x"$INPUT_METHOD" = x"ibus" || exit 0
 
 # GNOME starts ibus by itself
@@ -11,6 +18,7 @@ esac
 if [ "$XDG_SESSION_TYPE" = "wayland" ]; then
     case "$XDG_CURRENT_DESKTOP" in
         *KDE*)
+            # This will update kwinrc and set IBus for the active virtual keyboard
             ibus start --type=kde-wayland
             exit 0;;
         *)

ibus.changes

@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Mon Sep 15 13:45:03 UTC 2025 - Fuminobu Takeyama <ftake@geeko.jp>
+
+- Add an initial setup feature for Plasma Wayland
+  * enables IBus as the active virtual keyboard on the first login,
+    allowing users to input text using IBus without manual configuration
+  * Fix boo#1084804, boo#1246423
+
 -------------------------------------------------------------------
 Sat Jun 14 08:35:05 UTC 2025 - Takashi Iwai <tiwai@suse.com>
 

ibus.spec

@@ -48,6 +48,7 @@ Source7:        macros.ibus
 Source10:       ibus-autostart
 Source11:       ibus-autostart.desktop
 Source12:       20-defaults-openSUSE.conf
+Source13:       20-ibus-plasma-setup.sh
 Source99:       baselibs.conf
 # PATFH-FIX-OPENSUSE ibus-xim-fix-re-focus-after-lock.patch bnc#874869 tiwai@suse.de
 # Fix lost XIM input after screenlock
@@ -286,6 +287,9 @@ install -c -m 0644 ibus-autostart.desktop %{buildroot}%{_sysconfdir}/xdg/autosta
 mkdir -p %{buildroot}%{_userunitdir}/org.freedesktop.IBus.session.generic.service.d
 install -c -m 0644 %{SOURCE12} %{buildroot}%{_userunitdir}/org.freedesktop.IBus.session.generic.service.d
 
+# setup script for Plasma
+install -D -m 0755 %{SOURCE13} %{buildroot}%{_distconfdir}/xdg/plasma-workspace/env/20-ibus-plasma-setup.sh
+
 PRIORITY=40
 pushd %{buildroot}%{_distconfdir}/X11/xim.d/
     for lang in am ar as bn el fa gu he hi hr ja ka kk kn ko lo ml my \
@@ -360,6 +364,7 @@ rm -rf %{buildroot}%{_libdir}/libibus*
 rm -rf %{buildroot}%{_libdir}/pkgconfig
 rm -rf %{buildroot}%{_prefix}/lib/systemd
 rm -rf %{buildroot}%{_sysconfdir}/xdg
+rm -rf %{buildroot}%{_distconfdir}/xdg
 
 %post -n %{_name}-gtk4
 %{gtk4_immodule_post}
@@ -418,6 +423,9 @@ fi
 %config %{_sysconfdir}/dconf/db/ibus.d/00-upstream-settings
 %config %{_sysconfdir}/dconf/profile/ibus
 %config %{_sysconfdir}/xdg/autostart/ibus-autostart.desktop
+%dir %{_distconfdir}/xdg/plasma-workspace
+%dir %{_distconfdir}/xdg/plasma-workspace/env
+%{_distconfdir}/xdg/plasma-workspace/env/20-ibus-plasma-setup.sh
 %{_mandir}/man1/ibus.1%{ext_man}
 %{_mandir}/man1/ibus-daemon.1%{ext_man}
 %{_mandir}/man1/ibus-setup.1%{ext_man}