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range: Use gtk_widget_pick() to pick the mouse location

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That's rather unsuccessful so far because it requires skipping a bunch
of irrelevant widgets, but oh well...
This commit is contained in:
Benjamin Otte 2017-11-05 04:22:02 +01:00
parent 994287b71f
commit 4bb9a6360f
1 changed files with 8 additions and 18 deletions
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26
gtk/gtkrange.c
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@ -2678,33 +2678,23 @@ gtk_range_update_mouse_location (GtkRange *range)
gint x, y;
GtkWidget *old_location;
GtkWidget *widget = GTK_WIDGET (range);
GdkRectangle trough_alloc, slider_alloc, slider_trace;
GtkAllocation range_alloc;
old_location = priv->mouse_location;
x = priv->mouse_x;
y = priv->mouse_y;
gtk_widget_get_own_allocation (widget, &range_alloc);
gtk_widget_get_outer_allocation (priv->trough_widget, &trough_alloc);
gtk_widget_get_outer_allocation (priv->slider_widget, &slider_alloc);
gtk_widget_translate_coordinates (priv->trough_widget, widget,
slider_alloc.x, slider_alloc.y, &slider_alloc.x, &slider_alloc.y);
gdk_rectangle_union (&slider_alloc, &trough_alloc, &slider_trace);
if (priv->grab_location != NULL)
priv->mouse_location = priv->grab_location;
else if (gdk_rectangle_contains_point (&slider_alloc, x, y))
priv->mouse_location = priv->slider_widget;
else if (gdk_rectangle_contains_point (&slider_trace, x, y))
priv->mouse_location = priv->trough_widget;
else if (gdk_rectangle_contains_point (&range_alloc, x, y))
priv->mouse_location = widget;
else
priv->mouse_location = NULL;
priv->mouse_location = gtk_widget_pick (widget, x, y);
/* That's what you get for not attaching gestures to the correct widget */
while (priv->mouse_location &&
priv->mouse_location != priv->slider_widget &&
priv->mouse_location != priv->trough_widget &&
priv->mouse_location != widget)
priv->mouse_location = gtk_widget_get_parent (priv->mouse_location);
if (old_location != priv->mouse_location)
{