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#include "config.h"
#include "subsurfaceoverlay.h"
#include "gtkwidgetprivate.h"
#include "gtknative.h"
#include "gdksurfaceprivate.h"
#include "gdksubsurfaceprivate.h"
#include "gdkrgbaprivate.h"
struct _GtkSubsurfaceOverlay
{
GtkInspectorOverlay parent_instance;
};
struct _GtkSubsurfaceOverlayClass
{
GtkInspectorOverlayClass parent_class;
};
G_DEFINE_TYPE (GtkSubsurfaceOverlay, gtk_subsurface_overlay, GTK_TYPE_INSPECTOR_OVERLAY)
static void
gtk_subsurface_overlay_snapshot (GtkInspectorOverlay *overlay,
GtkSnapshot *snapshot,
GskRenderNode *node,
GtkWidget *widget)
{
GdkSurface *surface = gtk_widget_get_surface (widget);
double native_x, native_y;
gtk_native_get_surface_transform (GTK_NATIVE (widget), &native_x, &native_y);
gtk_snapshot_save (snapshot);
/* Subsurface positions are relative to the surface, so undo the surface
* transform that gtk_inspector_prepare_render does.
*/
gtk_snapshot_translate (snapshot, &(graphene_point_t) { - native_x, - native_y });
for (gsize i = 0; i < gdk_surface_get_n_subsurfaces (surface); i++)
{
GdkSubsurface *subsurface = gdk_surface_get_subsurface (surface, i);
graphene_rect_t rect;
GdkRGBA color;
if (gdk_subsurface_get_texture (subsurface) == NULL)
continue;
gdk_subsurface_get_texture_rect (subsurface, &rect);
if (gdk_subsurface_is_above_parent (subsurface))
color = GDK_RGBA ("DAA520"); /* goldenrod */
else
color = GDK_RGBA ("FF00FF"); /* magenta */
/* Use 4 color nodes since a border node overlaps and prevents
* the subsurface from being raised.
*/
gtk_snapshot_append_color (snapshot, &color, &GRAPHENE_RECT_INIT (rect.origin.x - 2, rect.origin.y - 2, 2, rect.size.height + 4));
gtk_snapshot_append_color (snapshot, &color, &GRAPHENE_RECT_INIT (rect.origin.x - 2, rect.origin.y - 2, rect.size.width + 4, 2));
gtk_snapshot_append_color (snapshot, &color, &GRAPHENE_RECT_INIT (rect.origin.x - 2, rect.origin.y + rect.size.height, rect.size.width + 4, 2));
gtk_snapshot_append_color (snapshot, &color, &GRAPHENE_RECT_INIT (rect.origin.x + rect.size.width, rect.origin.y - 2, 2, rect.size.height + 4));
}
gtk_snapshot_restore (snapshot);
}
static void
gtk_subsurface_overlay_init (GtkSubsurfaceOverlay *self)
{
}
static void
gtk_subsurface_overlay_class_init (GtkSubsurfaceOverlayClass *klass)
{
GtkInspectorOverlayClass *overlay_class = (GtkInspectorOverlayClass *)klass;
overlay_class->snapshot = gtk_subsurface_overlay_snapshot;
}
GtkInspectorOverlay *
gtk_subsurface_overlay_new (void)
{
return g_object_new (GTK_TYPE_SUBSURFACE_OVERLAY, NULL);
}
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