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tooltip: query tooltip on widget under pointer only

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When changing the tooltip text or markup of widget A, we simulate a
motion event on that widget to update the display.
But if there is an active tooltip on widget B, then the current code
belives we moved the pointer from B to A thus hides/shows the tooltip
of B alternatively.

Instead, simulate the motion event on the widget currently under the pointer.
This will avoid flickering if we keep the pointer over widget B.

Fixes #6674
Closes #6674
This commit is contained in:
g.willems 2024-05-07 19:32:15 +02:00
parent de5b6764bc
commit d665274eb1
1 changed files with 9 additions and 6 deletions
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15
gtk/gtktooltip.c
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@ -366,9 +366,10 @@ gtk_tooltip_trigger_tooltip_query (GtkWidget *widget)
GdkSeat *seat;
GdkDevice *device;
GdkSurface *surface;
double x, y;
graphene_point_t p;
double px, py;
int x, y;
GtkWidget *toplevel;
GtkWidget *target_widget;
g_return_if_fail (GTK_IS_WIDGET (widget));
@ -381,7 +382,7 @@ gtk_tooltip_trigger_tooltip_query (GtkWidget *widget)
else
device = NULL;
if (device)
surface = gdk_device_get_surface_at_position (device, &x, &y);
surface = gdk_device_get_surface_at_position (device, &px, &py);
else
surface = NULL;
if (!surface)
@ -395,10 +396,12 @@ gtk_tooltip_trigger_tooltip_query (GtkWidget *widget)
if (gtk_native_get_surface (GTK_NATIVE (toplevel)) != surface)
return;
if (!gtk_widget_compute_point (toplevel, widget, &GRAPHENE_POINT_INIT (x, y), &p))
graphene_point_init (&p, x, y);
x = round (px);
y = round (py);
gtk_tooltip_handle_event_internal (GDK_MOTION_NOTIFY, surface, widget, p.x, p.y);
target_widget = _gtk_widget_find_at_coords (surface, x, y, &x, &y);
gtk_tooltip_handle_event_internal (GDK_MOTION_NOTIFY, surface, target_widget, x, y);
}
static void