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overlay: Drop the blur support

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This was really just a demo of what gsk can do.
It can be done with public api, and has been moved
to gtk-demo.
This commit is contained in:
Matthias Clasen 2019-02-21 19:39:42 -05:00
parent d291dff0ac
commit 1818f5589d
1 changed files with 1 additions and 105 deletions
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106
gtk/gtkoverlay.c
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@ -67,7 +67,6 @@ struct _GtkOverlayChild
guint pass_through : 1;
guint measure : 1;
guint clip_overlay : 1;
double blur;
};
enum {
@ -80,7 +79,6 @@ enum
CHILD_PROP_0,
CHILD_PROP_PASS_THROUGH,
CHILD_PROP_MEASURE,
CHILD_PROP_BLUR,
CHILD_PROP_INDEX,
CHILD_PROP_CLIP_OVERLAY
};
@ -520,17 +518,6 @@ gtk_overlay_set_child_property (GtkContainer *container,
}
}
break;
case CHILD_PROP_BLUR:
if (child_info)
{
if (g_value_get_double (value) != child_info->blur)
{
child_info->blur = g_value_get_double (value);
gtk_container_child_notify (container, child, "blur");
gtk_widget_queue_draw (GTK_WIDGET (overlay));
}
}
break;
case CHILD_PROP_INDEX:
if (child_info != NULL)
gtk_overlay_reorder_overlay (GTK_OVERLAY (container),
@ -595,12 +582,6 @@ gtk_overlay_get_child_property (GtkContainer *container,
else
g_value_set_boolean (value, TRUE);
break;
case CHILD_PROP_BLUR:
if (child_info)
g_value_set_double (value, child_info->blur);
else
g_value_set_double (value, 0);
break;
case CHILD_PROP_INDEX:
for (w = _gtk_widget_get_first_child (GTK_WIDGET (container));
w != child;
@ -652,90 +633,14 @@ static void
gtk_overlay_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
{
GtkWidget *main_widget;
GskRenderNode *main_widget_node = NULL;
GtkWidget *child;
GtkAllocation main_alloc;
cairo_region_t *clip = NULL;
int i;
main_widget = gtk_bin_get_child (GTK_BIN (widget));
gtk_widget_get_allocation (widget, &main_alloc);
for (child = _gtk_widget_get_first_child (widget);
child != NULL;
child = _gtk_widget_get_next_sibling (child))
{
double blur;
gtk_container_child_get (GTK_CONTAINER (widget), child, "blur", &blur, NULL);
if (blur > 0)
{
GtkAllocation alloc;
graphene_rect_t bounds;
if (main_widget_node == NULL)
{
GtkSnapshot *child_snapshot;
child_snapshot = gtk_snapshot_new ();
gtk_widget_snapshot (main_widget, child_snapshot);
main_widget_node = gtk_snapshot_free_to_node (child_snapshot);
}
gtk_widget_get_allocation (child, &alloc);
graphene_rect_init (&bounds, alloc.x, alloc.y, alloc.width, alloc.height);
gtk_snapshot_push_blur (snapshot, blur);
gtk_snapshot_push_clip (snapshot, &bounds);
gtk_snapshot_append_node (snapshot, main_widget_node);
gtk_snapshot_pop (snapshot);
gtk_snapshot_pop (snapshot);
if (clip == NULL)
{
cairo_rectangle_int_t rect;
rect.x = rect.y = 0;
rect.width = main_alloc.width;
rect.height = main_alloc.height;
clip = cairo_region_create_rectangle (&rect);
}
cairo_region_subtract_rectangle (clip, (cairo_rectangle_int_t *)&alloc);
}
gtk_overlay_snapshot_child (widget, child, snapshot);
}
if (clip == NULL)
{
for (child = _gtk_widget_get_first_child (widget);
child != NULL;
child = _gtk_widget_get_next_sibling (child))
{
gtk_overlay_snapshot_child (widget, child, snapshot);
}
return;
}
for (i = 0; i < cairo_region_num_rectangles (clip); i++)
{
cairo_rectangle_int_t rect;
graphene_rect_t bounds;
cairo_region_get_rectangle (clip, i, &rect);
graphene_rect_init (&bounds, rect.x, rect.y, rect.width, rect.height);
gtk_snapshot_push_clip (snapshot, &bounds);
gtk_snapshot_append_node (snapshot, main_widget_node);
gtk_snapshot_pop (snapshot);
}
cairo_region_destroy (clip);
for (child = _gtk_widget_get_first_child (widget);
child != NULL;
child = _gtk_widget_get_next_sibling (child))
{
if (child != main_widget)
gtk_overlay_snapshot_child (widget, child, snapshot);
}
gsk_render_node_unref (main_widget_node);
}
static void
@ -779,15 +684,6 @@ gtk_overlay_class_init (GtkOverlayClass *klass)
FALSE,
GTK_PARAM_READWRITE));
/**
* GtkOverlay:blur:
*
* Blur the content behind this child with a Gaussian blur of this radius.
*/
gtk_container_class_install_child_property (container_class, CHILD_PROP_BLUR,
g_param_spec_double ("blur", P_("Blur Radius"), P_("Apply a blur to the content behind this child"),
0, 100, 0,
GTK_PARAM_READWRITE));
/**
* GtkOverlay:index:
*