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tablet: after three valid prox out events, unload the forced prox plugin

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Once we receive three valid proximity out events for the pen, unload the
plugin that generates forced proximity in events for tablets that
don't send BTN_TOOL_PEN.

Closes #1222

Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1370>
This commit is contained in:
Peter Hutterer 2025-11-26 10:55:03 +10:00
parent 1e8901d009
commit 49d9528bdf
1 changed files with 18 additions and 0 deletions
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18
src/libinput-plugin-tablet-forced-tool.c
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@ -54,6 +54,7 @@ struct plugin_device {
struct libinput_device *device;
bitmask_t tool_state;
bool pen_forced_into_proximity;
size_t pen_prox_out_events;
};
struct plugin_data {
@ -121,6 +122,23 @@ forced_tool_plugin_device_handle_frame(struct libinput_plugin *libinput_plugin,
} else {
bitmask_clear_bit(&device->tool_state, BTN_TOOL_PEN);
device->pen_forced_into_proximity = false;
/* If we get three valid pen proximity out events, let's
* assume this device works fine and disable our plugin
*/
if (++device->pen_prox_out_events > 2) {
plugin_log_debug(
libinput_plugin,
"%s: forced tool handling unloaded\n",
libinput_device_get_name(
device->device));
libinput_plugin_enable_device_event_frame(
libinput_plugin,
device->device,
false);
plugin_device_destroy(device);
return;
}
}
return; /* Nothing to do */
case EVDEV_BTN_TOOL_RUBBER: