Onboard: Add onboard virtual keyboard

recipes-support/onboard/files/0001-add-xfce-to-autostart-onlyshowin.patch

@@ -0,0 +1,10 @@
+diff --git a/data/onboard-autostart.desktop.in b/data/onboard-autostart.desktop.in
+index 8fb55ac..cf022a0 100644
+--- a/data/onboard-autostart.desktop.in
++++ b/data/onboard-autostart.desktop.in
+@@ -9,4 +9,4 @@ NoDisplay=true
+ X-Ubuntu-Gettext-Domain=onboard
+ AutostartCondition=GSettings org.gnome.desktop.a11y.applications screen-keyboard-enabled
+ X-GNOME-AutoRestart=true
+-OnlyShowIn=GNOME;Unity;MATE;
++OnlyShowIn=GNOME;Unity;MATE;XFCE;

recipes-support/onboard/files/01-gnome-accessibility

@@ -0,0 +1,3 @@
+# We need accessibility on in order to use Onboard's auto-show.
+[org/gnome/desktop/interface]
+toolkit-accessibility=true

recipes-support/onboard/files/NI.colors

@@ -0,0 +1,62 @@
+<?xml version="1.0"?>
+<!--
+    Copyright (c) 2022 National Instruments
+
+    SPDX-License-Identifier: GPL-3.0
+-->
+<color_scheme name="NI" format="2.1">
+    <window type="key-popup">
+        <color element="border" rgb="#044123" opacity="0.0"/>
+    </window>
+
+    <layer> <color element="background" rgb="#044123" opacity="1.0"/> </layer>
+    <layer> <color element="background" rgb="#044123" opacity="0.9"/> </layer>
+    <layer> <color element="background" rgb="#044123" opacity="0.9"/> </layer>
+
+    <key_group>
+        <color element="fill"   rgb="#f4f4f4"/>
+        <color element="stroke" rgb="#000000" opacity="0.0" />
+        <color element="label"  rgb="#044123"/>
+        icon0
+
+        <key_group>
+            <color element="fill" rgb="#ffffff"/>
+            icon1, icon2
+        </key_group>
+
+        <!-- dark keys -->
+        <key_group>
+            <color element="fill" rgb="#cddcc8"/>
+            <color element="label" rgb="#044123"/>
+            icon3,
+            RCTL, LCTL, RALT, LALT, LWIN, CAPS, 
+            LFSH, RTSH, NMLK,
+            MENU, RWIN, BKSP, TAB, RTRN, 
+            KPDL, KPEN, KPSU, KPDV, KPAD, KPMU,
+            LEFT, RGHT, UP, DOWN, INS, DELE, HOME, END, PGUP, PGDN,
+            F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12,
+            Prnt, Pause, ESC, Scroll,
+            secondaryclick, middleclick, doubleclick, dragclick, hoverclick,
+            hide, showclick, move, layer,
+            quit
+
+            <!-- word suggestions -->
+            <key_group>
+                <color element="fill" rgb="#cddcc8"/>
+                wordlist, prediction, pause-learning.wordlist, language.wordlist, hide.wordlist
+            </key_group>
+        </key_group>
+
+        <!-- snippets -->
+        <key_group>
+            <color element="fill" rgb="#f4f4f4"/>
+            m0, m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11, m12, m13, m14, m15
+        </key_group>
+
+        <!-- red preferences -->
+        <key_group>
+            <color element="fill" rgb="#eb8768"/>
+            settings
+        </key_group>
+    </key_group>
+</color_scheme>

recipes-support/onboard/files/NI.theme

@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+<!--
+    Copyright (c) 2022 National Instruments
+
+    SPDX-License-Identifier: GPL-3.0
+-->
+<theme name="NI" format="1.3">
+    <color_scheme>NI</color_scheme>
+    <key_style>flat</key_style>
+    <roundrect_radius>20</roundrect_radius>
+    <key_fill_gradient>30</key_fill_gradient>
+    <key_stroke_gradient>70</key_stroke_gradient>
+    <key_gradient_direction>-3</key_gradient_direction>
+    <key_label_font></key_label_font>
+    <key_label_overrides></key_label_overrides>
+</theme>

recipes-support/onboard/files/onboard-defaults.conf

@@ -0,0 +1,13 @@
+[main]
+layout=Compact
+theme=NI
+key-label-font=DejaVu Sans
+
+[window]
+force-to-top=True
+
+[auto-show]
+# Enable autoshow when there's no keyboard detected.
+enabled=True
+keyboard-device-detection-enabled=True
+keyboard-device-detection-exceptions=['::noserial']

recipes-support/onboard/onboard_%.bbappend

@@ -0,0 +1,39 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
+
+
+SRC_URI += " \
+	file://0001-add-xfce-to-autostart-onlyshowin.patch \
+	file://01-gnome-accessibility \
+	file://NI.colors \
+	file://NI.theme \
+	file://onboard-defaults.conf \
+"
+
+CXXFLAGS += "-Werror=declaration-after-statement"
+
+do_install:append () {
+	install -d ${D}${sysconfdir}/dconf/db/local.d
+	install -d ${D}${sysconfdir}/onboard
+	install -d ${D}${datadir}/onboard/themes
+
+	install -m 644 ${WORKDIR}/01-gnome-accessibility ${D}${sysconfdir}/dconf/db/local.d/
+	install -m 644 ${WORKDIR}/onboard-defaults.conf ${D}${sysconfdir}/onboard/
+
+	install -m 644 ${WORKDIR}/NI.colors ${D}${datadir}/onboard/themes/
+	install -m 644 ${WORKDIR}/NI.theme ${D}${datadir}/onboard/themes/
+}
+
+pkg_postinst:${PN} () {
+	dconf update
+}
+
+
+CONFFILES:${PN}:append := " \
+	${sysconfdir}/onboard/onboard-defaults.conf \
+	${sysconfdir}/dconf/db/local.d/01-gnome-accessibility \
+"
+
+RDEPENDS:${PN}:append = " dconf"
+# Onboard uses unicode glyphs in its key_defs.xml file, which means
+# we need a font that has those glyphs present.
+RDEPENDS:${PN}:append = " ttf-dejavu-sans"