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-rw-r--r--common/util.c12
-rw-r--r--include/sway/commands.h1
-rw-r--r--include/sway/config.h1
-rw-r--r--include/util.h6
-rw-r--r--sway/commands/input.c1
-rw-r--r--sway/commands/input/pointer_accel.c9
-rw-r--r--sway/commands/input/scroll_factor.c32
-rw-r--r--sway/config/input.c4
-rw-r--r--sway/input/cursor.c10
-rw-r--r--sway/meson.build1
-rw-r--r--sway/sway-input.5.scd10
11 files changed, 80 insertions, 7 deletions
diff --git a/common/util.c b/common/util.c
index f4588b57..0caafb39 100644
--- a/common/util.c
+++ b/common/util.c
@@ -3,6 +3,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
+#include <float.h>
#include <math.h>
#include <stdint.h>
#include <stdio.h>
@@ -140,6 +141,17 @@ bool parse_boolean(const char *boolean, bool current) {
return false;
}
+float parse_float(const char *value) {
+ errno = 0;
+ char *end;
+ float flt = strtof(value, &end);
+ if (*end || errno) {
+ wlr_log(WLR_DEBUG, "Invalid float value '%s', defaulting to NAN", value);
+ return NAN;
+ }
+ return flt;
+}
+
enum wlr_direction opposite_direction(enum wlr_direction d) {
switch (d) {
case WLR_DIRECTION_UP:
diff --git a/include/sway/commands.h b/include/sway/commands.h
index 6606775a..2fe8a631 100644
--- a/include/sway/commands.h
+++ b/include/sway/commands.h
@@ -229,6 +229,7 @@ sway_cmd input_cmd_map_to_output;
sway_cmd input_cmd_middle_emulation;
sway_cmd input_cmd_natural_scroll;
sway_cmd input_cmd_pointer_accel;
+sway_cmd input_cmd_scroll_factor;
sway_cmd input_cmd_repeat_delay;
sway_cmd input_cmd_repeat_rate;
sway_cmd input_cmd_scroll_button;
diff --git a/include/sway/config.h b/include/sway/config.h
index 79c4359b..658b4a01 100644
--- a/include/sway/config.h
+++ b/include/sway/config.h
@@ -100,6 +100,7 @@ struct input_config {
int middle_emulation;
int natural_scroll;
float pointer_accel;
+ float scroll_factor;
int repeat_delay;
int repeat_rate;
int scroll_button;
diff --git a/include/util.h b/include/util.h
index f143d0c0..84318fe7 100644
--- a/include/util.h
+++ b/include/util.h
@@ -59,6 +59,12 @@ uint32_t parse_color(const char *color);
*/
bool parse_boolean(const char *boolean, bool current);
+/**
+ * Given a string that represents a floating point value, return a float.
+ * Returns NAN on error.
+ */
+float parse_float(const char *value);
+
enum wlr_direction opposite_direction(enum wlr_direction d);
#endif
diff --git a/sway/commands/input.c b/sway/commands/input.c
index c50926a8..b5765c38 100644
--- a/sway/commands/input.c
+++ b/sway/commands/input.c
@@ -22,6 +22,7 @@ static struct cmd_handler input_handlers[] = {
{ "repeat_delay", input_cmd_repeat_delay },
{ "repeat_rate", input_cmd_repeat_rate },
{ "scroll_button", input_cmd_scroll_button },
+ { "scroll_factor", input_cmd_scroll_factor },
{ "scroll_method", input_cmd_scroll_method },
{ "tap", input_cmd_tap },
{ "tap_button_map", input_cmd_tap_button_map },
diff --git a/sway/commands/input/pointer_accel.c b/sway/commands/input/pointer_accel.c
index df487b1c..efd81ee6 100644
--- a/sway/commands/input/pointer_accel.c
+++ b/sway/commands/input/pointer_accel.c
@@ -1,8 +1,10 @@
+#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "sway/config.h"
#include "sway/commands.h"
#include "sway/input/input-manager.h"
+#include "util.h"
struct cmd_results *input_cmd_pointer_accel(int argc, char **argv) {
struct cmd_results *error = NULL;
@@ -15,8 +17,11 @@ struct cmd_results *input_cmd_pointer_accel(int argc, char **argv) {
"pointer_accel", "No input device defined.");
}
- float pointer_accel = atof(argv[0]);
- if (pointer_accel < -1 || pointer_accel > 1) {
+ float pointer_accel = parse_float(argv[0]);
+ if (isnan(pointer_accel)) {
+ return cmd_results_new(CMD_INVALID, "pointer_accel",
+ "Invalid pointer accel; expected float.");
+ } if (pointer_accel < -1 || pointer_accel > 1) {
return cmd_results_new(CMD_INVALID, "pointer_accel",
"Input out of range [-1, 1]");
}
diff --git a/sway/commands/input/scroll_factor.c b/sway/commands/input/scroll_factor.c
new file mode 100644
index 00000000..52d943b0
--- /dev/null
+++ b/sway/commands/input/scroll_factor.c
@@ -0,0 +1,32 @@
+#include <errno.h>
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+#include "sway/config.h"
+#include "sway/commands.h"
+#include "sway/input/input-manager.h"
+#include "util.h"
+
+struct cmd_results *input_cmd_scroll_factor(int argc, char **argv) {
+ struct cmd_results *error = NULL;
+ if ((error = checkarg(argc, "scroll_factor", EXPECTED_AT_LEAST, 1))) {
+ return error;
+ }
+ struct input_config *ic = config->handler_context.input_config;
+ if (!ic) {
+ return cmd_results_new(CMD_FAILURE,
+ "scroll_factor", "No input device defined.");
+ }
+
+ float scroll_factor = parse_float(argv[0]);
+ if (isnan(scroll_factor)) {
+ return cmd_results_new(CMD_INVALID, "scroll_factor",
+ "Invalid scroll factor; expected float.");
+ } else if (scroll_factor < 0) {
+ return cmd_results_new(CMD_INVALID, "scroll_factor",
+ "Scroll factor cannot be negative.");
+ }
+ ic->scroll_factor = scroll_factor;
+
+ return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
diff --git a/sway/config/input.c b/sway/config/input.c
index 794d5194..d5d2d90b 100644
--- a/sway/config/input.c
+++ b/sway/config/input.c
@@ -29,6 +29,7 @@ struct input_config *new_input_config(const char* identifier) {
input->natural_scroll = INT_MIN;
input->accel_profile = INT_MIN;
input->pointer_accel = FLT_MIN;
+ input->scroll_factor = FLT_MIN;
input->scroll_button = INT_MIN;
input->scroll_method = INT_MIN;
input->left_handed = INT_MIN;
@@ -68,6 +69,9 @@ void merge_input_config(struct input_config *dst, struct input_config *src) {
if (src->pointer_accel != FLT_MIN) {
dst->pointer_accel = src->pointer_accel;
}
+ if (src->scroll_factor != FLT_MIN) {
+ dst->scroll_factor = src->scroll_factor;
+ }
if (src->repeat_delay != INT_MIN) {
dst->repeat_delay = src->repeat_delay;
}
diff --git a/sway/input/cursor.c b/sway/input/cursor.c
index c6b7414c..d89f64d8 100644
--- a/sway/input/cursor.c
+++ b/sway/input/cursor.c
@@ -5,6 +5,7 @@
#elif __FreeBSD__
#include <dev/evdev/input-event-codes.h>
#endif
+#include <float.h>
#include <limits.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_xcursor_manager.h>
@@ -979,6 +980,8 @@ static void handle_cursor_button(struct wl_listener *listener, void *data) {
static void dispatch_cursor_axis(struct sway_cursor *cursor,
struct wlr_event_pointer_axis *event) {
struct sway_seat *seat = cursor->seat;
+ struct sway_input_device *input_device = event->device->data;
+ struct input_config *ic = input_device_get_config(input_device);
// Determine what's under the cursor
struct wlr_surface *surface = NULL;
@@ -990,6 +993,8 @@ static void dispatch_cursor_axis(struct sway_cursor *cursor,
enum wlr_edges edge = cont ? find_edge(cont, cursor) : WLR_EDGE_NONE;
bool on_border = edge != WLR_EDGE_NONE;
bool on_titlebar = cont && !on_border && !surface;
+ float scroll_factor =
+ (ic == NULL || ic->scroll_factor == FLT_MIN) ? 1.0f : ic->scroll_factor;
// Scrolling on a tabbed or stacked title bar
if (on_titlebar) {
@@ -1000,7 +1005,7 @@ static void dispatch_cursor_axis(struct sway_cursor *cursor,
seat_get_active_tiling_child(seat, tabcontainer);
list_t *siblings = container_get_siblings(cont);
int desired = list_find(siblings, active->sway_container) +
- event->delta_discrete;
+ round(scroll_factor * event->delta_discrete);
if (desired < 0) {
desired = 0;
} else if (desired >= siblings->length) {
@@ -1024,7 +1029,8 @@ static void dispatch_cursor_axis(struct sway_cursor *cursor,
}
wlr_seat_pointer_notify_axis(cursor->seat->wlr_seat, event->time_msec,
- event->orientation, event->delta, event->delta_discrete, event->source);
+ event->orientation, scroll_factor * event->delta,
+ round(scroll_factor * event->delta_discrete), event->source);
}
static void handle_cursor_axis(struct wl_listener *listener, void *data) {
diff --git a/sway/meson.build b/sway/meson.build
index cde09a02..d9bc08f3 100644
--- a/sway/meson.build
+++ b/sway/meson.build
@@ -135,6 +135,7 @@ sway_sources = files(
'commands/input/repeat_delay.c',
'commands/input/repeat_rate.c',
'commands/input/scroll_button.c',
+ 'commands/input/scroll_factor.c',
'commands/input/scroll_method.c',
'commands/input/tap.c',
'commands/input/tap_button_map.c',
diff --git a/sway/sway-input.5.scd b/sway/sway-input.5.scd
index 82273ef3..45994644 100644
--- a/sway/sway-input.5.scd
+++ b/sway/sway-input.5.scd
@@ -105,14 +105,18 @@ The following commands may only be used in the configuration file.
*input* <identifier> repeat\_rate <characters per second>
Sets the frequency of key repeats once the repeat\_delay has passed.
-*input* <identifier> scroll\_method none|two\_finger|edge|on\_button\_down
- Changes the scroll method for the specified input device.
-
*input* <identifier> scroll\_button <button\_identifier>
Sets button used for scroll\_method on\_button\_down. The button identifier
can be obtained from `libinput debug-events`.
If set to 0, it disables the scroll\_button on\_button\_down.
+*input* <identifier> scroll\_factor <floating point value>
+ Changes the scroll factor for the specified input device. Scroll speed will
+ be scaled by the given value, which must be non-negative.
+
+*input* <identifier> scroll\_method none|two\_finger|edge|on\_button\_down
+ Changes the scroll method for the specified input device.
+
*input* <identifier> tap enabled|disabled
Enables or disables tap for specified input device.
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 01:53:00 +0000