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Trackball rewrite (#600)

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- Implement generic trackball settings
- Refactor T-Deck trackball driver into generic driver at `Drivers/gpio-trackball-module`
- Automatically bind/unbind trackball devices with LVGL
- Automatically load settings for trackball devices on boot
This commit is contained in:
Ken Van Hoeylandt
2026-07-30 13:38:19 +02:00
committed by GitHub
parent de6fc3b346
commit c729e8340f
39 changed files with 1194 additions and 666 deletions
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Tactility/Source/settings/TrackballSettings.cpp
+17 -21
View File
@@ -23,7 +23,7 @@ constexpr uint8_t MAX_ENCODER_SENSITIVITY = 10;
constexpr uint8_t MIN_POINTER_SENSITIVITY = 1;
constexpr uint8_t MAX_POINTER_SENSITIVITY = 10;
bool load(TrackballSettings& settings) {
bool load(LvglTrackballSettings& settings) {
auto settings_path = getSettingsFilePath();
if (!file::isFile(settings_path)) {
return false;
@@ -55,41 +55,37 @@ bool load(TrackballSettings& settings) {
auto isTrueValue = [](const std::string& s) {
return s == "1" || s == "true" || s == "True" || s == "TRUE";
};
settings.trackballEnabled = (tb_enabled != map.end()) ? isTrueValue(tb_enabled->second) : true;
settings.trackballMode = (tb_mode != map.end() && tb_mode->second == "1") ? TrackballMode::Pointer : TrackballMode::Encoder;
settings.encoderSensitivity = (enc_sens != map.end()) ? safeParseUint8(enc_sens->second, MIN_ENCODER_SENSITIVITY) : MIN_ENCODER_SENSITIVITY;
settings.pointerSensitivity = (ptr_sens != map.end()) ? safeParseUint8(ptr_sens->second, MAX_POINTER_SENSITIVITY) : MAX_POINTER_SENSITIVITY;
settings.enabled = (tb_enabled != map.end()) ? isTrueValue(tb_enabled->second) : true;
settings.mode = (tb_mode != map.end() && tb_mode->second == "1") ? LVGL_TRACKBALL_MODE_POINTER : LVGL_TRACKBALL_MODE_ENCODER;
auto default_settings = lvgl_trackball_settings_get_default();
settings.encoder_sensitivity = (enc_sens != map.end()) ? safeParseUint8(enc_sens->second, default_settings.encoder_sensitivity) : default_settings.encoder_sensitivity;
settings.pointer_sensitivity = (ptr_sens != map.end()) ? safeParseUint8(ptr_sens->second, default_settings.pointer_sensitivity) : default_settings.pointer_sensitivity;
// Clamp values to valid ranges
settings.encoderSensitivity = std::clamp(settings.encoderSensitivity, MIN_ENCODER_SENSITIVITY, MAX_ENCODER_SENSITIVITY);
settings.pointerSensitivity = std::clamp(settings.pointerSensitivity, MIN_POINTER_SENSITIVITY, MAX_POINTER_SENSITIVITY);
settings.encoder_sensitivity = std::clamp(settings.encoder_sensitivity, MIN_ENCODER_SENSITIVITY, MAX_ENCODER_SENSITIVITY);
settings.pointer_sensitivity = std::clamp(settings.pointer_sensitivity, MIN_POINTER_SENSITIVITY, MAX_POINTER_SENSITIVITY);
return true;
}
TrackballSettings getDefault() {
return TrackballSettings{
.trackballEnabled = true,
.trackballMode = TrackballMode::Encoder,
.encoderSensitivity = MIN_ENCODER_SENSITIVITY,
.pointerSensitivity = MAX_POINTER_SENSITIVITY
};
LvglTrackballSettings getDefault() {
return lvgl_trackball_settings_get_default();
}
TrackballSettings loadOrGetDefault() {
TrackballSettings s;
LvglTrackballSettings loadOrGetDefault() {
LvglTrackballSettings s;
if (!load(s)) {
s = getDefault();
}
return s;
}
bool save(const TrackballSettings& settings) {
bool save(const LvglTrackballSettings& settings) {
std::map<std::string, std::string> map;
map[KEY_TRACKBALL_ENABLED] = settings.trackballEnabled ? "1" : "0";
map[KEY_TRACKBALL_MODE] = (settings.trackballMode == TrackballMode::Pointer) ? "1" : "0";
map[KEY_ENCODER_SENSITIVITY] = std::to_string(std::clamp(settings.encoderSensitivity, MIN_ENCODER_SENSITIVITY, MAX_ENCODER_SENSITIVITY));
map[KEY_POINTER_SENSITIVITY] = std::to_string(std::clamp(settings.pointerSensitivity, MIN_POINTER_SENSITIVITY, MAX_POINTER_SENSITIVITY));
map[KEY_TRACKBALL_ENABLED] = settings.enabled ? "1" : "0";
map[KEY_TRACKBALL_MODE] = (settings.mode == LVGL_TRACKBALL_MODE_POINTER) ? "1" : "0";
map[KEY_ENCODER_SENSITIVITY] = std::to_string(std::clamp(settings.encoder_sensitivity, MIN_ENCODER_SENSITIVITY, MAX_ENCODER_SENSITIVITY));
map[KEY_POINTER_SENSITIVITY] = std::to_string(std::clamp(settings.pointer_sensitivity, MIN_POINTER_SENSITIVITY, MAX_POINTER_SENSITIVITY));
auto settings_path = getSettingsFilePath();
if (!file::findOrCreateParentDirectory(settings_path, 0755)) {
return false;