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Range: Use should_invert_move() to scroll value

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This fixes RTL and/or :inverted Ranges responding to a horizontal scroll
by moving the value/slider button in the opposite direction... See prev.

https://bugzilla.gnome.org/show_bug.cgi?id=791802
This commit is contained in:
Daniel Boles
2018-01-01 14:28:16 +00:00
committed by Daniel Boles
parent 9b011081c5
commit 7ff9222600
1 changed files with 17 additions and 7 deletions
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24
gtk/gtkrange.c
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@ -3055,6 +3055,7 @@ _gtk_range_get_wheel_delta (GtkRange *range,
gdouble page_increment;
gdouble scroll_unit;
GdkScrollDirection direction;
GtkOrientation move_orientation;
page_size = gtk_adjustment_get_page_size (adjustment);
page_increment = gtk_adjustment_get_page_increment (adjustment);
@ -3070,22 +3071,31 @@ _gtk_range_get_wheel_delta (GtkRange *range,
scroll_unit = 1;
#endif
if (gtk_orientable_get_orientation (GTK_ORIENTABLE (range)) == GTK_ORIENTATION_HORIZONTAL)
delta = (dx ? dx : -dy) * scroll_unit;
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL && dx != 0)
{
move_orientation = GTK_ORIENTATION_HORIZONTAL;
delta = dx * scroll_unit;
}
else
delta = dy * scroll_unit;
{
move_orientation = GTK_ORIENTATION_VERTICAL;
delta = dy * scroll_unit;
}
}
else if (gdk_event_get_scroll_direction ((GdkEvent *) event, &direction))
{
if (direction == GDK_SCROLL_LEFT ||
(priv->orientation == GTK_ORIENTATION_VERTICAL && direction == GDK_SCROLL_UP) ||
(priv->orientation == GTK_ORIENTATION_HORIZONTAL && direction == GDK_SCROLL_DOWN))
if (direction == GDK_SCROLL_LEFT || direction == GDK_SCROLL_RIGHT)
move_orientation = GTK_ORIENTATION_HORIZONTAL;
else
move_orientation = GTK_ORIENTATION_VERTICAL;
if (direction == GDK_SCROLL_LEFT || direction == GDK_SCROLL_UP)
delta = - scroll_unit;
else
delta = scroll_unit;
}
if (priv->inverted)
if (delta != 0 && should_invert_move (range, move_orientation))
delta = - delta;
return delta;