Support for wrapping Qt4 UIs for Gtk2 hosts and vice versa via modules.

Qt4 in Gtk2 is tested working (Float in Ingen).
Gtk2 in Qt4 is untested (and thus unlikely to work yet).


git-svn-id: http://svn.drobilla.net/lad/trunk/suil@3016 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 77 insertions, 0 deletions

diff --git a/src/gtk2_in_qt4.cpp b/src/gtk2_in_qt4.cpp
new file mode 100644
index 0000000..837cbac
--- /dev/null
+++ b/src/gtk2_in_qt4.cpp
@@ -0,0 +1,77 @@
+/* Suil, an LV2 plugin UI hosting library.
+ * Copyright 2011 David Robillard <d@drobilla.net>
+ *
+ * Suil is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Suil is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <QX11EmbedContainer>
+#undef signals
+
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+
+#include "suil_internal.h"
+
+extern "C" {
+
+SUIL_API
+int
+suil_wrap_init(const char*               host_type_uri,
+               const char*               ui_type_uri,
+               const LV2_Feature* const* features)
+{
+	return 0;
+}
+
+static void
+on_window_destroy(GtkWidget* gtk_window,
+                  gpointer*  user_data)
+{
+	//SuilInstance instance = (SuilInstance)user_data;
+	// TODO: Notify host via callback
+	printf("LV2 UI window destroyed\n");
+}
+
+
+/** Dynamic module entry point. */
+SUIL_API
+int
+suil_instance_wrap(SuilInstance instance,
+                   const char*  host_type_uri,
+                   const char*  ui_type_uri)
+{
+	GtkWidget* gtk_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+	gtk_window_set_resizable(GTK_WINDOW(gtk_window), TRUE);
+	gtk_window_set_title(GTK_WINDOW(gtk_window), "LV2 Plugin UI");
+
+	gtk_container_add(GTK_CONTAINER(gtk_window),
+	                  (GtkWidget*)instance->ui_widget);
+
+	g_signal_connect(G_OBJECT(gtk_window),
+	                 "destroy",
+	                 G_CALLBACK(on_window_destroy),
+	                 instance);
+
+	gtk_widget_show_all(gtk_window);
+
+	GdkWindow*          gdk_window = gtk_widget_get_window(gtk_window);
+	QX11EmbedContainer* wrapper    = new QX11EmbedContainer();
+	wrapper->embedClient(GDK_WINDOW_XID(gdk_window));
+
+	instance->host_widget = wrapper;
+
+	return 0;
+}
+
+} // extern "C"