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iconbrowser: Make image dnd work again

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We need to drag a texture, not a paintable.

Fixes: #3648
This commit is contained in:
Matthias Clasen 2021-02-04 20:46:51 -05:00
parent 482b73c376
commit 15c36aaa1e
1 changed files with 21 additions and 1 deletions
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22
demos/icon-browser/iconbrowserwin.c
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@ -279,11 +279,31 @@ drag_prepare_texture (GtkDragSource *source,
GtkWidget *widget)
{
GdkPaintable *paintable = get_image_paintable (GTK_IMAGE (widget));
GtkSnapshot *snapshot;
double width, height;
GskRenderNode *node;
GskRenderer *renderer;
GdkTexture *texture;
GdkContentProvider *ret;
if (!GDK_IS_PAINTABLE (paintable))
return NULL;
return gdk_content_provider_new_typed (GDK_TYPE_PAINTABLE, paintable);
snapshot = gtk_snapshot_new ();
width = gdk_paintable_get_intrinsic_width (paintable);
height = gdk_paintable_get_intrinsic_height (paintable);
gdk_paintable_snapshot (paintable, snapshot, width, height);
node = gtk_snapshot_free_to_node (snapshot);
renderer = gtk_native_get_renderer (gtk_widget_get_native (widget));
texture = gsk_renderer_render_texture (renderer, node, &GRAPHENE_RECT_INIT (0, 0, width, height));
ret = gdk_content_provider_new_typed (GDK_TYPE_TEXTURE, texture);
g_object_unref (texture);
gsk_render_node_unref (node);
return ret;
}
static GdkContentProvider *