Implementing what is needed for rel axis renaming.

6 files changed, 83 insertions, 46 deletions

diff --git a/src/config/parameters/compatibility.c b/src/config/parameters/compatibility.c
index cc65c7f..9f605ac 100644
--- a/src/config/parameters/compatibility.c
+++ b/src/config/parameters/compatibility.c
@@ -32,7 +32,16 @@ int relabsd_parameters_are_compatible_with
       {
          rel_code = relabsd_axis_name_to_evdev_rel((enum relabsd_axis_name) i);
 
-         if (!libevdev_has_event_code(libevdev, EV_REL, rel_code))
+         if
+         (
+            (!libevdev_has_event_code(libevdev, EV_REL, rel_code))
+            &&
+            (
+               relabsd_axis_get_convert_to(parameters->axes + i)
+               ==
+               RELABSD_UNKNOWN
+            )
+         )
          {
             RELABSD_ERROR
             (
diff --git a/src/device/axis/axis.c b/src/device/axis/axis.c
index 1cdb856..ada6fa3 100644
--- a/src/device/axis/axis.c
+++ b/src/device/axis/axis.c
@@ -46,6 +46,15 @@ void relabsd_axis_enable
    axis->is_enabled = 1;
 }
 
+int relabsd_axis_has_flag
+(
+   const struct relabsd_axis axis [const restrict static 1],
+   const enum relabsd_axis_flag flag
+)
+{
+   return axis->flags[flag];
+}
+
 int relabsd_axis_is_enabled
 (
    const struct relabsd_axis axis [const restrict static 1]
diff --git a/src/device/axis/axis_filter.c b/src/device/axis/axis_filter.c
index 04dfdb7..6258ad9 100644
--- a/src/device/axis/axis_filter.c
+++ b/src/device/axis/axis_filter.c
@@ -122,6 +122,11 @@ int relabsd_axis_filter_new_value
       return 0;
    }
 
+   if (axis->flags[RELABSD_NOT_ABS])
+   {
+      return 1;
+   }
+
    if (axis->flags[RELABSD_DIRECT])
    {
       return direct_filter(axis, value);
diff --git a/src/device/axis/axis_option.c b/src/device/axis/axis_option.c
index 8e52fe1..7796eb7 100644
--- a/src/device/axis/axis_option.c
+++ b/src/device/axis/axis_option.c
@@ -57,6 +57,10 @@ int relabsd_axis_enable_option_from_name
          );
       }
    }
+   else if (RELABSD_IS_PREFIX("notabs", option_name))
+   {
+      axis->flags[RELABSD_NOT_ABS] = 1;
+   }
    else if (RELABSD_IS_PREFIX("convert_to=", option_name))
    {
       axis->convert_to =
diff --git a/src/device/virtual/virtual_device.c b/src/device/virtual/virtual_device.c
index 5ec06f5..0b92804 100644
--- a/src/device/virtual/virtual_device.c
+++ b/src/device/virtual/virtual_device.c
@@ -29,6 +29,7 @@ static void replace_rel_axes
 )
 {
    int i;
+
    for (i = 0; i < RELABSD_AXIS_VALID_AXES_COUNT; i++)
    {
       enum relabsd_axis_name axis_name;
@@ -37,7 +38,18 @@ static void replace_rel_axes
       axis_name = ((enum relabsd_axis_name) i);
       axis = relabsd_parameters_get_axis(axis_name, parameters);
 
-      if (relabsd_axis_is_enabled(axis))
+      axis_name = relabsd_axis_get_convert_to(axis);
+
+      if (axis_name == RELABSD_UNKNOWN)
+      {
+         axis_name = ((enum relabsd_axis_name) i);
+      }
+
+      if
+      (
+         relabsd_axis_is_enabled(axis)
+         && !relabsd_axis_has_flag(axis, RELABSD_NOT_ABS)
+      )
       {
          (void) relabsd_virtual_device_update_axis_absinfo
          (
@@ -160,20 +172,23 @@ int relabsd_virtual_device_update_axis_absinfo
     * Might want to add an option to see if people want to use the tool to
     * alter existing EV_ABS axes instead of converting from EV_REL to EV_ABS.
     */
-   (void) libevdev_disable_event_code
-   (
-      device->libevdev,
-      EV_REL,
-      relabsd_axis_name_to_evdev_rel(axis_name)
-   );
+   if (!relabsd_axis_has_flag(axis, RELABSD_NOT_ABS))
+   {
+      (void) libevdev_disable_event_code
+      (
+         device->libevdev,
+         EV_REL,
+         relabsd_axis_name_to_evdev_rel(axis_name)
+      );
 
-   (void) libevdev_enable_event_code
-   (
-      device->libevdev,
-      EV_ABS,
-      relabsd_axis_name_to_evdev_abs(target_axis_name),
-      &absinfo
-   );
+      (void) libevdev_enable_event_code
+      (
+         device->libevdev,
+         EV_ABS,
+         relabsd_axis_name_to_evdev_abs(target_axis_name),
+         &absinfo
+      );
+   }
 
    return 0;
 }
@@ -392,6 +407,11 @@ void relabsd_virtual_device_set_axes_to_zero
       axis =
          relabsd_parameters_get_axis((enum relabsd_axis_name) i, parameters);
 
+      if (relabsd_axis_has_flag(axis, RELABSD_NOT_ABS))
+      {
+         continue;
+      }
+
       if (relabsd_axis_is_enabled(axis))
       {
          relabsd_virtual_device_write_evdev_event
diff --git a/src/server/conversion_main_loop.c b/src/server/conversion_main_loop.c
index f9af4f8..fd12408 100644
--- a/src/server/conversion_main_loop.c
+++ b/src/server/conversion_main_loop.c
@@ -43,9 +43,10 @@ static void convert_input
    if (input_type == EV_REL)
    {
       struct relabsd_axis * axis;
-      unsigned int abs_code;
+      unsigned int abs_type, abs_code;
       enum relabsd_axis_name axis_name;
 
+      abs_type = EV_ABS;
       axis_name =
          relabsd_axis_name_and_evdev_abs_from_evdev_rel(input_code, &abs_code);
 
@@ -57,9 +58,25 @@ static void convert_input
       axis = relabsd_parameters_get_axis(axis_name, &(server->parameters));
       axis_name = relabsd_axis_get_convert_to(axis);
 
-      if (axis_name != RELABSD_UNKNOWN)
+      if (relabsd_axis_has_flag(axis, RELABSD_NOT_ABS))
       {
-         abs_code = relabsd_axis_name_to_evdev_abs(axis_name);
+         abs_type = EV_REL;
+
+         if (axis_name == RELABSD_UNKNOWN)
+         {
+            abs_code = input_code;
+         }
+         else
+         {
+            abs_code = relabsd_axis_name_to_evdev_rel(axis_name);
+         }
+      }
+      else
+      {
+         if (axis_name != RELABSD_UNKNOWN)
+         {
+            abs_code = relabsd_axis_name_to_evdev_abs(axis_name);
+         }
       }
 
       switch (relabsd_axis_filter_new_value(axis, &value))
@@ -72,7 +89,7 @@ static void convert_input
             (void) relabsd_virtual_device_write_evdev_event
             (
                &(server->virtual_device),
-               EV_ABS,
+               abs_type,
                abs_code,
                value
             );
@@ -95,33 +112,6 @@ static void convert_input
             return;
       }
    }
-   else if (input_type == EV_ABS)
-   {
-      enum relabsd_axis_name axis_name;
-
-      axis_name = relabsd_axis_name_from_evdev_abs(input_code);
-
-      if (axis_name != RELABSD_UNKNOWN)
-      {
-         struct relabsd_axis * axis;
-
-         axis = relabsd_parameters_get_axis(axis_name, &(server->parameters));
-         axis_name = relabsd_axis_get_convert_to(axis);
-
-         if (axis_name != RELABSD_UNKNOWN)
-         {
-            input_code = relabsd_axis_name_to_evdev_abs(axis_name);
-         }
-      }
-
-      (void) relabsd_virtual_device_write_evdev_event
-      (
-         &(server->virtual_device),
-         input_type,
-         input_code,
-         value
-      );
-   }
    else
    {
       /* Any other event is retransmitted as is. */