diff options
Diffstat (limited to 'demos/gtk-demo/clipboard.c')
| -rw-r--r-- | demos/gtk-demo/clipboard.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/demos/gtk-demo/clipboard.c b/demos/gtk-demo/clipboard.c index 51f5507c26..3da096060e 100644 --- a/demos/gtk-demo/clipboard.c +++ b/demos/gtk-demo/clipboard.c @@ -144,6 +144,19 @@ get_texture (GValue *value, } static void +prepare_drag (GtkDragSource *source, + double x, + double y, + GtkWidget *image) +{ + GdkContentProvider *content; + + content = gdk_content_provider_new_with_callback (GDK_TYPE_TEXTURE, get_texture, image); + gtk_drag_source_set_content (source, content); + g_object_unref (content); +} + +static void got_texture (GObject *source, GAsyncResult *result, gpointer data) @@ -265,7 +278,6 @@ do_clipboard (GtkWidget *do_widget) { "paste", paste_image, NULL, NULL, NULL }, }; GActionGroup *actions; - GdkContentProvider *content = NULL; GtkDragSource *source; GtkDropTarget *dest; GdkContentFormats *formats; @@ -331,10 +343,9 @@ do_clipboard (GtkWidget *do_widget) gtk_container_add (GTK_CONTAINER (hbox), image); /* make image a drag source */ - content = gdk_content_provider_new_with_callback (GDK_TYPE_TEXTURE, get_texture, image); - source = gtk_drag_source_new (content, GDK_ACTION_COPY); - g_object_unref (content); + source = gtk_drag_source_new (); gtk_drag_source_attach (source, image, GDK_BUTTON1_MASK); + g_signal_connect (source, "prepare", G_CALLBACK (prepare_drag), NULL); g_signal_connect (source, "drag-begin", G_CALLBACK (drag_begin), image); /* accept drops on image */ @@ -364,9 +375,8 @@ do_clipboard (GtkWidget *do_widget) gtk_container_add (GTK_CONTAINER (hbox), image); /* make image a drag source */ - content = gdk_content_provider_new_with_callback (GDK_TYPE_TEXTURE, get_texture, image); - source = gtk_drag_source_new (content, GDK_ACTION_COPY); - g_object_unref (content); + source = gtk_drag_source_new (); + g_signal_connect (source, "prepare", G_CALLBACK (prepare_drag), NULL); g_signal_connect (source, "drag-begin", G_CALLBACK (drag_begin), image); gtk_drag_source_attach (source, image, GDK_BUTTON1_MASK); |