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container: Add a private api for render node propagation

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Add a function that propagates a render node for a single
child. This will be used in the box gadget to handle widgets.
This commit is contained in:
Matthias Clasen 2016-10-28 12:56:21 -04:00
parent 30a56acc7d
commit 68cc1412e5
2 changed files with 46 additions and 26 deletions
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68
gtk/gtkcontainer.c
View File

@ -3287,28 +3287,12 @@ gtk_container_get_path_for_child (GtkContainer *container,
return path;
}
typedef struct {
GtkContainer *container;
GskRenderer *renderer;
GskRenderNode *parent;
GArray *child_infos;
} RenderData;
static gboolean
should_propagate_node (GtkWidget *child,
RenderData *data)
void
gtk_container_propagate_render_node_for_child (GtkContainer *container,
GtkWidget *child,
GskRenderer *renderer,
GskRenderNode *parent)
{
if (!_gtk_widget_is_drawable (child))
return FALSE;
return TRUE;
}
static void
propagate_render_node (GtkWidget *child,
gpointer data_)
{
RenderData *data = data_;
GskRenderNode *node;
GdkWindow *window, *w;
GtkAllocation allocation;
@ -3316,14 +3300,17 @@ propagate_render_node (GtkWidget *child,
graphene_matrix_t m;
graphene_point3d_t tmp;
node = gtk_widget_get_render_node (child, data->renderer);
if (!_gtk_widget_is_drawable (child))
return;
node = gtk_widget_get_render_node (child, renderer);
if (node == NULL)
return;
/* translate coordinates. Ugly business, that. */
if (!_gtk_widget_get_has_window (GTK_WIDGET (data->container)))
if (!_gtk_widget_get_has_window (GTK_WIDGET (container)))
{
gtk_widget_get_clip (GTK_WIDGET (data->container), &allocation);
gtk_widget_get_clip (GTK_WIDGET (container), &allocation);
x = -allocation.x;
y = -allocation.y;
}
@ -3333,7 +3320,7 @@ propagate_render_node (GtkWidget *child,
y = 0;
}
window = _gtk_widget_get_window (GTK_WIDGET (data->container));
window = _gtk_widget_get_window (GTK_WIDGET (container));
for (w = _gtk_widget_get_window (child); w && w != window; w = gdk_window_get_parent (w))
{
@ -3359,10 +3346,39 @@ propagate_render_node (GtkWidget *child,
graphene_matrix_init_translate (&m, graphene_point3d_init (&tmp, x, y, 0));
gsk_render_node_set_transform (node, &m);
gsk_render_node_append_child (data->parent, node);
gsk_render_node_append_child (parent, node);
gsk_render_node_unref (node);
}
typedef struct {
GtkContainer *container;
GskRenderer *renderer;
GskRenderNode *parent;
GArray *child_infos;
} RenderData;
static gboolean
should_propagate_node (GtkWidget *child,
RenderData *data)
{
if (!_gtk_widget_is_drawable (child))
return FALSE;
return TRUE;
}
static void
propagate_render_node (GtkWidget *child,
gpointer data_)
{
RenderData *data = data_;
gtk_container_propagate_render_node_for_child (data->container,
child,
data->renderer,
data->parent);
}
static void
collect_child_infos (GtkWidget *widget,
gpointer data_)

4
gtk/gtkcontainerprivate.h
View File

@ -46,6 +46,10 @@ void gtk_container_get_children_clip (GtkContainer *container,
void gtk_container_propagate_render_node (GtkContainer *container,
GskRenderer *renderer,
GskRenderNode *parent_node);
void gtk_container_propagate_render_node_for_child (GtkContainer *container,
GtkWidget *child,
GskRenderer *renderer,
GskRenderNode *parent_node);
G_END_DECLS