feat: add option edge_scroller_focus_allow_speed

assets/config.conf

@@ -57,6 +57,7 @@ scroller_default_proportion=0.8
 scroller_focus_center=0
 scroller_prefer_center=0
 edge_scroller_pointer_focus=1
+edge_scroller_focus_allow_speed=0.0
 scroller_default_proportion_single=1.0
 scroller_proportion_preset=0.5,0.8,1.0
 

docs/window-management/layouts.md

@@ -38,6 +38,7 @@ The Scroller layout positions windows in a scrollable strip, similar to PaperWM.
 | `scroller_prefer_center` | `0` | Center focused window only if it was outside the view. |
 | `scroller_prefer_overspread` | `1` | Allow windows to overspread when there's extra space. |
 | `edge_scroller_pointer_focus` | `1` | Focus windows even if partially off-screen. |
+| `edge_scroller_focus_allow_speed` | `0.0` | Allow pointer focus to happen if the pointer moves at a speed greater than this value. |
 | `scroller_proportion_preset` | `0.5,0.8,1.0` | Presets for cycling window widths. |
 | `scroller_ignore_proportion_single` | `1` | Ignore proportion adjustments for single windows. |
 | `scroller_default_proportion_single` | `1.0` | Default proportion for single windows in scroller. **Requires `scroller_ignore_proportion_single=0` to take effect.** |
@@ -56,6 +57,7 @@ scroller_focus_center=0
 scroller_prefer_center=0
 scroller_prefer_overspread=1
 edge_scroller_pointer_focus=1
+edge_scroller_focus_allow_speed=0.0
 scroller_default_proportion_single=1.0
 scroller_proportion_preset=0.5,0.8,1.0
 ```

src/config/parse_config.h

@@ -216,6 +216,7 @@ typedef struct {
 	int32_t scroller_prefer_center;
 	int32_t scroller_prefer_overspread;
 	int32_t edge_scroller_pointer_focus;
+	double edge_scroller_focus_allow_speed;
 	int32_t focus_cross_monitor;
 	int32_t exchange_cross_monitor;
 	int32_t scratchpad_cross_monitor;
@@ -1396,6 +1397,8 @@ bool parse_option(Config *config, char *key, char *value) {
 		config->scroller_prefer_overspread = atoi(value);
 	} else if (strcmp(key, "edge_scroller_pointer_focus") == 0) {
 		config->edge_scroller_pointer_focus = atoi(value);
+	} else if (strcmp(key, "edge_scroller_focus_allow_speed") == 0) {
+		config->edge_scroller_focus_allow_speed = atof(value);
 	} else if (strcmp(key, "focus_cross_monitor") == 0) {
 		config->focus_cross_monitor = atoi(value);
 	} else if (strcmp(key, "exchange_cross_monitor") == 0) {
@@ -3229,6 +3232,8 @@ void override_config(void) {
 		CLAMP_INT(config.scroller_prefer_overspread, 0, 1);
 	config.edge_scroller_pointer_focus =
 		CLAMP_INT(config.edge_scroller_pointer_focus, 0, 1);
+	config.edge_scroller_focus_allow_speed =
+		CLAMP_FLOAT(config.edge_scroller_focus_allow_speed, 0.0f, 1000.0f);
 	config.scroller_structs = CLAMP_INT(config.scroller_structs, 0, 1000);
 	config.default_mfact = CLAMP_FLOAT(config.default_mfact, 0.1f, 0.9f);
 	config.default_nmaster = CLAMP_INT(config.default_nmaster, 1, 1000);
@@ -3423,6 +3428,7 @@ void set_value_default() {
 	config.scroller_prefer_center = 0;
 	config.scroller_prefer_overspread = 1;
 	config.edge_scroller_pointer_focus = 1;
+	config.edge_scroller_focus_allow_speed = 0.0f;
 	config.focus_cross_monitor = 0;
 	config.exchange_cross_monitor = 0;
 	config.scratchpad_cross_monitor = 0;

src/mango.c

@@ -4789,14 +4789,22 @@ void motionnotify(uint32_t time, struct wlr_input_device *device, double dx,
 	}
 
 	should_lock = false;
+	double speed = 0.0f;
+
+	if (config.edge_scroller_pointer_focus) {
+		speed = sqrt(dx * dx + dy * dy);
+	}
+
 	if (!scroller_focus_lock || !(c && c->mon && !INSIDEMON(c))) {
 		if (c && c->mon && is_scroller_layout(c->mon) && !INSIDEMON(c)) {
 			should_lock = true;
 		}
 
-		if (!(!config.edge_scroller_pointer_focus && c && c->mon &&
+		if (!((!config.edge_scroller_pointer_focus ||
-			  is_scroller_layout(c->mon) && !INSIDEMON(c)))
+			   speed < config.edge_scroller_focus_allow_speed) &&
+			  c && c->mon && is_scroller_layout(c->mon) && !INSIDEMON(c))) {
 			pointerfocus(c, surface, sx, sy, time);
+		}
 
 		if (should_lock && c && c->mon && ISTILED(c) && c == c->mon->sel) {
 			scroller_focus_lock = 1;