ui: add keycodemapdb repository as a GIT submodule

The https://gitlab.com/keycodemap/keycodemapdb/ repo contains a
data file mapping between all the different scancode/keycode/keysym
sets that are known, and a tool to auto-generate lookup tables for
different combinations.

It is used by GTK-VNC, SPICE-GTK and libvirt for mapping keys.
Using it in QEMU will let us replace many hand written lookup
tables with auto-generated tables from a master data source,
reducing bugs. Adding new QKeyCodes will now only require the
master table to be updated, all ~20 other tables will be
automatically updated to follow.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170929101201.21039-4-berrange@redhat.com

[ kraxel: fix build ]
[ kraxel: switch repo to qemu.git mirror ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

6 files changed, 35 insertions, 3 deletions

diff --git a/.gitignore b/.gitignore
index b5e115d96b..620eec6b47 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,7 @@
 /trace/generated-tcg-tracers.h
 /ui/shader/texture-blit-frag.h
 /ui/shader/texture-blit-vert.h
+/ui/input-keymap-*.c
 *-timestamp
 /*-softmmu
 /*-darwin-user
diff --git a/.gitmodules b/.gitmodules
index 84c54cdc49..7c981a42b6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -34,3 +34,6 @@
 [submodule "roms/QemuMacDrivers"]
 	path = roms/QemuMacDrivers
 	url = git://git.qemu.org/QemuMacDrivers.git
+[submodule "ui/keycodemapdb"]
+	path = ui/keycodemapdb
+	url = git://git.qemu.org/keycodemapdb.git
diff --git a/Makefile b/Makefile
index 9866909e08..7b9b93c3dc 100644
--- a/Makefile
+++ b/Makefile
@@ -33,7 +33,7 @@ git-submodule-update:
 endif
 endif
 
-.git-submodule-status: git-submodule-update
+.git-submodule-status: git-submodule-update config-host.mak
 
 # Check that we're not trying to do an out-of-tree build from
 # a tree that's been used for an in-tree build.
@@ -213,6 +213,28 @@ trace-dtrace-root.h: trace-dtrace-root.dtrace
 
 trace-dtrace-root.o: trace-dtrace-root.dtrace
 
+KEYCODEMAP_GEN = $(SRC_PATH)/ui/keycodemapdb/tools/keymap-gen
+KEYCODEMAP_CSV = $(SRC_PATH)/ui/keycodemapdb/data/keymaps.csv
+
+KEYCODEMAP_FILES = \
+		 $(NULL)
+
+GENERATED_FILES += $(KEYCODEMAP_FILES)
+
+ui/input-keymap-%.c: $(KEYCODEMAP_GEN) $(KEYCODEMAP_CSV) $(SRC_PATH)/ui/Makefile.objs
+	$(call quiet-command,\
+	    src=$$(echo $@ | sed -E -e "s,^ui/input-keymap-(.+)-to-(.+)\.c$$,\1,") && \
+	    dst=$$(echo $@ | sed -E -e "s,^ui/input-keymap-(.+)-to-(.+)\.c$$,\2,") && \
+	    test -e $(KEYCODEMAP_GEN) && \
+	    $(PYTHON) $(KEYCODEMAP_GEN) \
+	          --lang glib2 \
+	          --varname qemu_input_map_$${src}_to_$${dst} \
+	          code-map $(KEYCODEMAP_CSV) $${src} $${dst} \
+	        > $@ || rm -f $@, "GEN", "$@")
+
+$(KEYCODEMAP_GEN): .git-submodule-status
+$(KEYCODEMAP_CSV): .git-submodule-status
+
 # Don't try to regenerate Makefile or configure
 # We don't generate any of them
 Makefile: ;
diff --git a/configure b/configure
index 38f1710c80..06f18ea9af 100755
--- a/configure
+++ b/configure
@@ -264,7 +264,13 @@ cc_i386=i386-pc-linux-gnu-gcc
 libs_qga=""
 debug_info="yes"
 stack_protector=""
-git_submodules=""
+
+if test -e "$source_path/.git"
+then
+    git_submodules="ui/keycodemapdb"
+else
+    git_submodules=""
+fi
 
 # Don't accept a target_list environment variable.
 unset target_list
diff --git a/scripts/archive-source.sh b/scripts/archive-source.sh
index 4029de7b20..4e63774f9a 100755
--- a/scripts/archive-source.sh
+++ b/scripts/archive-source.sh
@@ -26,7 +26,7 @@ vroot_dir="${tar_file}.vroot"
 # independent of what the developer currently has initialized
 # in their checkout, because the build environment is completely
 # different to the host OS.
-submodules="dtc"
+submodules="dtc ui/keycodemapdb"
 
 trap "status=$?; rm -rf \"$list_file\" \"$vroot_dir\"; exit \$status" 0 1 2 3 15
 
diff --git a/ui/keycodemapdb b/ui/keycodemapdb
new file mode 160000
+Subproject 56ce5650d2c6ea216b4580df44b9a6dd3bc92c3