From f36bc80bd71175b78342307043c8d048e1da6236 Mon Sep 17 00:00:00 2001
From: Norman Feske <norman.feske@genode-labs.com>
Date: Mon, 20 Nov 2017 21:28:18 +0100
Subject: [PATCH] driver_manager-pc: numlock handling

This patch incorporates key remapping rules for the input filter that
depend on the global numlock state.
---
 .../recipes/raw/drivers_managed-pc/content.mk |  5 ++--
 .../raw/drivers_managed-pc/drivers.config     | 16 +++++++++++--
 .../drivers_managed-pc/input_filter.config    | 24 +++++++++++--------
 .../drivers_managed-pc/numlock_remap.config   | 24 +++++++++++++++++++
 4 files changed, 55 insertions(+), 14 deletions(-)
 create mode 100644 repos/gems/recipes/raw/drivers_managed-pc/numlock_remap.config

diff --git a/repos/gems/recipes/raw/drivers_managed-pc/content.mk b/repos/gems/recipes/raw/drivers_managed-pc/content.mk
index fb737425d..0aad7234d 100644
--- a/repos/gems/recipes/raw/drivers_managed-pc/content.mk
+++ b/repos/gems/recipes/raw/drivers_managed-pc/content.mk
@@ -1,6 +1,7 @@
-content: drivers.config fb_drv.config input_filter.config en_us.chargen
+content: drivers.config fb_drv.config input_filter.config en_us.chargen \
+         numlock_remap.config
 
-drivers.config:
+drivers.config numlock_remap.config:
 	cp $(REP_DIR)/recipes/raw/drivers_managed-pc/$@ $@
 
 fb_drv.config input_filter.config:
diff --git a/repos/gems/recipes/raw/drivers_managed-pc/drivers.config b/repos/gems/recipes/raw/drivers_managed-pc/drivers.config
index c840b4bb2..58657dc84 100644
--- a/repos/gems/recipes/raw/drivers_managed-pc/drivers.config
+++ b/repos/gems/recipes/raw/drivers_managed-pc/drivers.config
@@ -179,12 +179,24 @@
 		</route>
 	</start>
 
+	<!-- toggle key mappings depending on the numlock state -->
+	<start name="numlock_remap_rom" priority="-1">
+		<binary name="rom_filter"/>
+		<resource name="RAM" quantum="1M"/>
+		<provides> <service name="ROM"/> </provides>
+		<route>
+			<service name="ROM" label="config">  <parent label="numlock_remap.config"/> </service>
+			<service name="ROM" label="numlock"> <parent label="numlock"/> </service>
+			<any-service> <parent/> </any-service>
+		</route>
+	</start>
+
 	<start name="input_filter" caps="90" priority="-1">
 		<resource name="RAM" quantum="2M"/>
 		<provides> <service name="Input"/> </provides>
 		<route>
 			<service name="ROM" label="config">        <parent label="input_filter.config"/> </service>
-			<service name="ROM" label="en_us.chargen"> <parent label="en_us.chargen"/> </service>
+			<service name="ROM" label="numlock.remap"> <child name="numlock_remap_rom"/> </service>
 			<service name="ROM" label="capslock">      <parent label="capslock"/> </service>
 			<service name="Input" label="ps2"> <child name="ps2_drv"/> </service>
 			<service name="Input" label="usb"> <child name="usb_drv"/> </service>
@@ -220,7 +232,7 @@
 		</route>
 	</start>
 
-	<start name="dynamic" caps="800" priority="0">
+	<start name="dynamic" caps="1000" priority="0">
 		<binary name="init"/>
 		<resource name="RAM" quantum="1G"/>
 		<provides>
diff --git a/repos/gems/recipes/raw/drivers_managed-pc/input_filter.config b/repos/gems/recipes/raw/drivers_managed-pc/input_filter.config
index 3b56908e8..c848ea329 100644
--- a/repos/gems/recipes/raw/drivers_managed-pc/input_filter.config
+++ b/repos/gems/recipes/raw/drivers_managed-pc/input_filter.config
@@ -3,16 +3,20 @@
 	<input label="usb"/>
 	<output>
 		<chargen>
-			<merge>
-				<accelerate max="50" sensitivity_percent="1000" curve="127">
-					<button-scroll>
-						<input name="ps2"/>
-						<vertical   button="BTN_MIDDLE" speed_percent="-10"/>
-						<horizontal button="BTN_MIDDLE" speed_percent="-10"/>
-					</button-scroll>
-				</accelerate>
-				<input name="usb"/>
-			</merge>
+			<remap>
+				<!-- <key name="KEY_CAPSLOCK" to="KEY_ESC"/> -->
+				<include rom="numlock.remap"/>
+				<merge>
+					<accelerate max="50" sensitivity_percent="1000" curve="127">
+						<button-scroll>
+							<input name="ps2"/>
+							<vertical   button="BTN_MIDDLE" speed_percent="-10"/>
+							<horizontal button="BTN_MIDDLE" speed_percent="-10"/>
+						</button-scroll>
+					</accelerate>
+					<input name="usb"/>
+				</merge>
+			</remap>
 			<mod1>
 				<key name="KEY_LEFTSHIFT"/> <key name="KEY_RIGHTSHIFT"/>
 				<rom name="capslock"/>
diff --git a/repos/gems/recipes/raw/drivers_managed-pc/numlock_remap.config b/repos/gems/recipes/raw/drivers_managed-pc/numlock_remap.config
new file mode 100644
index 000000000..063556219
--- /dev/null
+++ b/repos/gems/recipes/raw/drivers_managed-pc/numlock_remap.config
@@ -0,0 +1,24 @@
+<config>
+	<input name="numlock_enabled" rom="numlock" node="numlock">
+		<attribute name="enabled" /> </input>
+
+	<output node="remap">
+		<if>
+			<has_value input="numlock_enabled" value="yes" />
+			<then>
+				<inline>
+					<key name="KEY_KP0"     to="KEY_INSERT"/>
+					<key name="KEY_KP1"     to="KEY_END"/>
+					<key name="KEY_KP2"     to="KEY_DOWN"/>
+					<key name="KEY_KP3"     to="KEY_PAGEDOWN"/>
+					<key name="KEY_KP4"     to="KEY_LEFT"/>
+					<key name="KEY_KP6"     to="KEY_RIGHT"/>
+					<key name="KEY_KP7"     to="KEY_HOME"/>
+					<key name="KEY_KP8"     to="KEY_UP"/>
+					<key name="KEY_KP9"     to="KEY_PAGEUP"/>
+					<key name="KEY_KPCOMMA" to="KEY_DELETE"/>
+				</inline>
+			</then>
+		</if>
+	</output>
+</config>