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Fix smooth scrolling in compact view using mouse wheel. #108

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Merged
ib merged 1 commit into from
Dec 10, 2025
+6 −5
Merged

Fix smooth scrolling in compact view using mouse wheel. #108

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11 changes: 6 additions & 5 deletions src/gtk/exo/exo-icon-view.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2779,7 +2779,7 @@ exo_icon_view_scroll_event (GtkWidget *widget,
{
GtkAdjustment *adjustment;
ExoIconView *icon_view = EXO_ICON_VIEW (widget);
gdouble delta, delta_x;
gdouble delta, delta_x, delta_y;
gdouble value;

/* we don't care for scroll events in "rows" layout mode, as
Expand Down Expand Up @@ -2807,12 +2807,13 @@ exo_icon_view_scroll_event (GtkWidget *widget,

/* determine the scroll delta */
delta = pow (gtk_adjustment_get_page_size(adjustment), 2.0 / 3.0);
delta = (event->direction == GDK_SCROLL_UP) ? -delta : delta;
#if GTK_CHECK_VERSION(3, 4, 0)
if (gdk_event_get_scroll_deltas((GdkEvent *) event, &delta_x, NULL))
/* it was smooth scrolling - try to approach the usual scrolling speed */
delta = delta_x * 33.3;
if (gdk_event_get_scroll_deltas((GdkEvent *) event, &delta_x, &delta_y))
/* it is smooth scrolling - either up/down or left/right */
delta *= CLAMP(delta_y != 0.0 ? delta_y : delta_x, -1.0, 1.0);
else
#endif
delta = (event->direction == GDK_SCROLL_UP) ? -delta : delta;

/* apply the new adjustment value */
value = CLAMP (gtk_adjustment_get_value(adjustment) + delta, gtk_adjustment_get_lower(adjustment), gtk_adjustment_get_upper(adjustment) - gtk_adjustment_get_page_size(adjustment));
Expand Down