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feat: add libinput scroll_button

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This MR adds a option to set a button for when scroll_on_button_down is enabled as the scroll method. The user can define a different button to the enable the scroll event. By default the middle mouse button (274) is used, but with the `scroll_button` setting any other mouse button can be set, like the right mouse button (273) or a lateral button like back and forward buttons.
This commit is contained in:
ren2r
2025-07-03 17:15:55 -03:00
parent 7c175051b7
commit d1bea3ae34
3 changed files with 9 additions and 0 deletions
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5
src/config/parse_config.h
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@@ -205,6 +205,7 @@ typedef struct {
unsigned int accel_profile;
double accel_speed;
unsigned int scroll_method;
unsigned int scroll_button;
unsigned int click_method;
unsigned int send_events_mode;
unsigned int button_map;
@@ -1170,6 +1171,8 @@ void parse_config_line(Config *config, const char *line) {
config->accel_speed = atof(value);
} else if (strcmp(key, "scroll_method") == 0) {
config->scroll_method = atoi(value);
} else if (strcmp(key, "scroll_button") == 0) {
config->scroll_button = atoi(value);
} else if (strcmp(key, "click_method") == 0) {
config->click_method = atoi(value);
} else if (strcmp(key, "send_events_mode") == 0) {
@@ -2174,6 +2177,7 @@ void override_config(void) {
accel_profile = CLAMP_INT(config.accel_profile, 0, 2);
accel_speed = CLAMP_FLOAT(config.accel_speed, -1.0f, 1.0f);
scroll_method = CLAMP_INT(config.scroll_method, 0, 4);
scroll_button = CLAMP_INT(config.scroll_button, 272, 276);
click_method = CLAMP_INT(config.click_method, 0, 2);
send_events_mode = CLAMP_INT(config.send_events_mode, 0, 2);
button_map = CLAMP_INT(config.button_map, 0, 1);
@@ -2318,6 +2322,7 @@ void set_value_default() {
config.accel_profile = accel_profile;
config.accel_speed = accel_speed;
config.scroll_method = scroll_method;
config.scroll_button = scroll_button;
config.click_method = click_method;
config.send_events_mode = send_events_mode;
config.button_map = button_map;

1
src/config/preset.h
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@@ -134,6 +134,7 @@ LIBINPUT_CONFIG_SCROLL_EDGE
LIBINPUT_CONFIG_SCROLL_ON_BUTTON_DOWN
*/
enum libinput_config_scroll_method scroll_method = LIBINPUT_CONFIG_SCROLL_2FG;
unsigned int scroll_button = 274;
/* You can choose between:
LIBINPUT_CONFIG_CLICK_METHOD_NONE