Add Gtk2 and X11 in Qt5 wrappers.

git-svn-id: http://svn.drobilla.net/lad/trunk/suil@5725 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 165 insertions, 0 deletions

diff --git a/src/x11_in_qt5.cpp b/src/x11_in_qt5.cpp
new file mode 100644
index 0000000..1f62796
--- /dev/null
+++ b/src/x11_in_qt5.cpp
@@ -0,0 +1,165 @@
+/*
+  Copyright 2011-2015 David Robillard <http://drobilla.net>
+  Copyright 2015 Rui Nuno Capela <rncbc@rncbc.org>
+
+  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 <QWidget>
+
+#include <QTimerEvent>
+
+#undef signals
+
+#include "./suil_config.h"
+#include "./suil_internal.h"
+
+#ifndef HAVE_LV2_1_6_0
+typedef struct _LV2UI_Idle_Interface LV2UI_Idle_Interface;
+#endif
+
+extern "C" {
+
+typedef struct {
+	QWidget* host_widget;
+	QWidget* parent;
+} SuilX11InQt5Wrapper;
+
+class SuilQX11Widget : public QWidget
+{
+public:
+	SuilQX11Widget(QWidget* parent, Qt::WindowFlags wflags)
+		: QWidget(parent, wflags)
+#ifdef HAVE_LV2_1_6_0
+		, _instance(NULL)
+		, _idle_iface(NULL)
+		, _ui_timer(0)
+#endif
+	{}
+
+#ifdef HAVE_LV2_1_6_0
+	void start_idle(SuilInstance*               instance,
+	                const LV2UI_Idle_Interface* idle_iface) {
+		_instance   = instance;
+		_idle_iface = idle_iface;
+		if (_idle_iface && _ui_timer == 0) {
+			_ui_timer = this->startTimer(30);
+		}
+	}
+
+protected:
+	void timerEvent(QTimerEvent* event) {
+		if (event->timerId() == _ui_timer && _idle_iface) {
+			_idle_iface->idle(_instance->handle);
+		}
+		QWidget::timerEvent(event);
+	}
+
+private:
+	SuilInstance*               _instance;
+	const LV2UI_Idle_Interface* _idle_iface;
+	int                         _ui_timer;
+#endif
+};
+
+static void
+wrapper_free(SuilWrapper* wrapper)
+{
+	SuilX11InQt5Wrapper* impl = (SuilX11InQt5Wrapper*)wrapper->impl;
+
+	if (impl->parent) {
+		delete impl->parent;
+	}
+/*
+	if (impl->host_widget) {
+		delete impl->host_widget;
+	}
+*/
+	free(impl);
+}
+
+static int
+wrapper_wrap(SuilWrapper*  wrapper,
+             SuilInstance* instance)
+{
+	SuilX11InQt5Wrapper* const impl = (SuilX11InQt5Wrapper*)wrapper->impl;
+	SuilQX11Widget* const      ew   = (SuilQX11Widget*)impl->parent;
+
+#ifdef HAVE_LV2_1_6_0
+	if (instance->descriptor->extension_data) {
+		const LV2UI_Idle_Interface* idle_iface
+			= (const LV2UI_Idle_Interface*)
+				instance->descriptor->extension_data(LV2_UI__idleInterface);
+		ew->start_idle(instance, idle_iface);
+	}
+#endif
+
+	impl->host_widget = ew;
+
+	instance->host_widget = impl->host_widget;
+
+	return 0;
+}
+
+static int
+wrapper_resize(LV2UI_Feature_Handle handle, int width, int height)
+{
+	QWidget* const ew = (QWidget*)handle;
+	ew->resize(width, height);
+	return 0;
+}
+
+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)
+{
+	SuilX11InQt5Wrapper* const impl = (SuilX11InQt5Wrapper*)
+		calloc(1, sizeof(SuilX11InQt5Wrapper));
+
+	SuilWrapper* wrapper = (SuilWrapper*)malloc(sizeof(SuilWrapper));
+	wrapper->wrap = wrapper_wrap;
+	wrapper->free = wrapper_free;
+
+	Qt::WindowFlags wflags = Qt::Window
+		| Qt::CustomizeWindowHint
+		| Qt::WindowTitleHint
+		| Qt::WindowSystemMenuHint
+		| Qt::WindowMinMaxButtonsHint
+		| Qt::WindowCloseButtonHint;
+
+	QWidget* const ew = new SuilQX11Widget(NULL, wflags);
+
+	impl->parent = ew;
+
+	wrapper->impl             = impl;
+	wrapper->resize.handle    = ew;
+	wrapper->resize.ui_resize = wrapper_resize;
+
+	suil_add_feature(features, &n_features, LV2_UI__parent,
+	                 (void*)(intptr_t)ew->winId());
+
+	suil_add_feature(features, &n_features, LV2_UI__resize,
+	                 &wrapper->resize);
+
+#ifdef HAVE_LV2_1_6_0
+	suil_add_feature(features, &n_features, LV2_UI__idleInterface, NULL);
+#endif
+
+	return wrapper;
+}
+
+}  // extern "C"