1 files changed, 154 insertions, 0 deletions
diff --git a/src/qt4_in_gtk2.cpp b/src/qt4_in_gtk2.cpp
new file mode 100644
index 0000000..fbec381
--- /dev/null
+++ b/src/qt4_in_gtk2.cpp
@@ -0,0 +1,154 @@
+/*
+  Copyright 2011-2017 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#include <gtk/gtk.h>
+
+#include <QApplication>
+#include <QVBoxLayout>
+#include <QX11EmbedWidget>
+
+#include "./suil_internal.h"
+
+extern "C" {
+
+#define SUIL_TYPE_QT_WRAPPER (suil_qt_wrapper_get_type())
+#define SUIL_QT_WRAPPER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), SUIL_TYPE_QT_WRAPPER, SuilQtWrapper))
+
+typedef struct _SuilQtWrapper      SuilQtWrapper;
+typedef struct _SuilQtWrapperClass SuilQtWrapperClass;
+
+struct _SuilQtWrapper {
+	GtkSocket        socket;
+	QApplication*    app;
+	QX11EmbedWidget* qembed;
+	SuilWrapper*     wrapper;
+	SuilInstance*    instance;
+};
+
+struct _SuilQtWrapperClass {
+	GtkSocketClass parent_class;
+};
+
+GType suil_qt_wrapper_get_type(void);  // Accessor for SUIL_TYPE_QT_WRAPPER
+
+G_DEFINE_TYPE(SuilQtWrapper, suil_qt_wrapper, GTK_TYPE_SOCKET)
+
+static void
+suil_qt_wrapper_finalize(GObject* gobject)
+{
+	SuilQtWrapper* const self = SUIL_QT_WRAPPER(gobject);
+
+	if (self->instance->handle) {
+		self->instance->descriptor->cleanup(self->instance->handle);
+		self->instance->handle = NULL;
+	}
+
+	delete self->qembed;
+
+	self->qembed        = NULL;
+	self->app           = NULL;
+	self->wrapper->impl = NULL;
+
+	G_OBJECT_CLASS(suil_qt_wrapper_parent_class)->finalize(gobject);
+}
+
+static void
+suil_qt_wrapper_class_init(SuilQtWrapperClass* klass)
+{
+	GObjectClass* const gobject_class = G_OBJECT_CLASS(klass);
+
+	gobject_class->finalize = suil_qt_wrapper_finalize;
+}
+
+static void
+suil_qt_wrapper_init(SuilQtWrapper* self)
+{
+	self->app      = NULL;
+	self->qembed   = NULL;
+	self->instance = NULL;
+}
+
+static void
+suil_qt_wrapper_realize(GtkWidget* w, gpointer data)
+{
+	SuilQtWrapper* const wrap = SUIL_QT_WRAPPER(w);
+	GtkSocket* const     s    = GTK_SOCKET(w);
+
+	gtk_socket_add_id(s, wrap->qembed->winId());
+	wrap->qembed->show();
+}
+
+static int
+wrapper_wrap(SuilWrapper*  wrapper,
+             SuilInstance* instance)
+{
+	SuilQtWrapper* const wrap = SUIL_QT_WRAPPER(wrapper->impl);
+
+	wrap->qembed   = new QX11EmbedWidget();
+	wrap->wrapper  = wrapper;
+	wrap->instance = instance;
+
+	QWidget*     qwidget = (QWidget*)instance->ui_widget;
+	QVBoxLayout* layout  = new QVBoxLayout(wrap->qembed);
+	layout->addWidget(qwidget);
+
+	qwidget->setParent(wrap->qembed);
+
+	g_signal_connect_after(G_OBJECT(wrap), "realize",
+	                       G_CALLBACK(suil_qt_wrapper_realize), NULL);
+
+	instance->host_widget = GTK_WIDGET(wrap);
+
+	return 0;
+}
+
+static void
+wrapper_free(SuilWrapper* wrapper)
+{
+	if (wrapper->impl) {
+		SuilQtWrapper* const wrap = SUIL_QT_WRAPPER(wrapper->impl);
+		gtk_object_destroy(GTK_OBJECT(wrap));
+	}
+}
+
+SUIL_LIB_EXPORT
+SuilWrapper*
+suil_wrapper_new(SuilHost*      host,
+                 const char*    host_type_uri,
+                 const char*    ui_type_uri,
+                 LV2_Feature*** features,
+                 unsigned       n_features)
+{
+	SuilWrapper* wrapper = (SuilWrapper*)calloc(1, sizeof(SuilWrapper));
+	wrapper->wrap = wrapper_wrap;
+	wrapper->free = wrapper_free;
+
+	SuilQtWrapper* const wrap = SUIL_QT_WRAPPER(
+		g_object_new(SUIL_TYPE_QT_WRAPPER, NULL));
+
+	if (qApp) {
+		wrap->app = qApp;
+	} else {
+		wrap->app = new QApplication(host->argc, host->argv, true);
+	}
+
+	wrap->wrapper = NULL;
+	wrapper->impl = wrap;
+
+	return wrapper;
+}
+
+}  // extern "C"