Missing files / renames.

git-svn-id: svn://localhost/ardour2/branches/3.0@10785 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 181 insertions, 0 deletions

diff --git a/gtk2_ardour/lxvst_plugin_ui.cc b/gtk2_ardour/lxvst_plugin_ui.cc
new file mode 100644
index 0000000000..31bb6c879b
--- /dev/null
+++ b/gtk2_ardour/lxvst_plugin_ui.cc
@@ -0,0 +1,181 @@
+/*
+    Copyright (C) 2004 Paul Davis 
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "ardour/lxvst_plugin.h"
+#include "ardour/vstfx.h"
+#include "lxvst_plugin_ui.h"
+#include "ardour_ui.h"
+#include <gdk/gdkx.h>
+
+#define LXVST_H_FIDDLE 40
+
+using namespace std;
+using namespace Gtk;
+using namespace ARDOUR;
+using namespace PBD;
+
+LXVSTPluginUI::LXVSTPluginUI (boost::shared_ptr<PluginInsert> pi, boost::shared_ptr<VSTPlugin> lxvp)
+	: VSTPluginUI (pi, lxvp)
+{
+	vstfx_run_editor (_vst->state ());
+}
+
+LXVSTPluginUI::~LXVSTPluginUI ()
+{
+	_screen_update_connection.disconnect();	
+	
+	// plugin destructor destroys the custom GUI, via the vstfx engine,
+	// and then our PluginUIWindow does the rest
+}
+
+
+bool
+LXVSTPluginUI::start_updating (GdkEventAny* ignored)
+{
+	_screen_update_connection.disconnect();
+	_screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect (mem_fun(*this, &LXVSTPluginUI::resize_callback));
+	return false;
+}
+
+bool
+LXVSTPluginUI::stop_updating (GdkEventAny* ignored)
+{
+	_screen_update_connection.disconnect();
+	return false;
+}
+
+
+void
+LXVSTPluginUI::resize_callback ()
+{
+	/* We could maybe use this to resize the plugin GTK parent window
+	   if required
+	*/
+	
+	if (!_vst->state()->want_resize) {
+		return;
+	}
+
+	int new_height = _vst->state()->height;
+	int new_width = _vst->state()->width;
+	
+	void* gtk_parent_window = _vst->state()->extra_data;
+	
+	if (gtk_parent_window) {
+		((Gtk::Window*) gtk_parent_window)->resize (new_width, new_height + LXVST_H_FIDDLE);
+	}
+	
+	_vst->state()->want_resize = 0;
+}
+
+int
+LXVSTPluginUI::get_preferred_height ()
+{	
+	/* XXX: FIXME */
+	
+	/* We have to return the required height of the plugin UI window +  a fiddle factor
+	   because we can't know how big the preset menu bar is until the window is realised
+	   and we can't realise it until we have told it how big we would like it to be
+	   which we can't do until it is realised etc
+	*/
+
+	// May not be 40 for all screen res etc	
+	return VSTPluginUI::get_preferred_height () + LXVST_H_FIDDLE;
+}
+
+int
+LXVSTPluginUI::package (Gtk::Window& win)
+{
+	VSTPluginUI::package (win);
+	
+	/* Map the UI start and stop updating events to 'Map' events on the Window */
+	
+	win.signal_map_event().connect (mem_fun (*this, &LXVSTPluginUI::start_updating));
+	win.signal_unmap_event().connect (mem_fun (*this, &LXVSTPluginUI::stop_updating));
+
+	_vst->state()->extra_data = (void*) (&win);
+	_vst->state()->want_resize = 0;
+
+	return 0;
+}
+
+void
+LXVSTPluginUI::forward_key_event (GdkEventKey* ev)
+{
+	std::cerr << "LXVSTPluginUI : keypress forwarding to linuxVSTs unsupported" << std::endl;
+}
+
+int
+LXVSTPluginUI::get_XID ()
+{
+	/* Wait for the lock to become free - otherwise
+	   the window might be in the process of being
+	   created and we get bad Window errors when trying
+	   to embed it in the GTK UI
+	*/
+	
+	pthread_mutex_lock (&(_vst->state()->lock));
+	
+	/* The Window may be scheduled for creation
+	   but not actually created by the gui_event_loop yet - 
+	   spin here until it has been activated.  Possible
+	   deadlock if the window never gets activated but
+	   should not be called here if the window doesn't
+	   exist or will never exist
+	*/
+	
+	while (!(_vst->state()->been_activated)) {
+		usleep (1000);
+	}
+	
+	int const id = _vst->state()->xid;
+	
+	pthread_mutex_unlock (&(_vst->state()->lock));
+	
+	/* Finally it might be safe to return the ID - 
+	   problems will arise if we return either a zero ID
+	   and GTK tries to socket it or if we return an ID
+	   which hasn't yet become real to the server
+	*/
+	
+	return id;
+}
+
+typedef int (*error_handler_t)( Display *, XErrorEvent *);
+static Display *the_gtk_display;
+static error_handler_t vstfx_error_handler;
+static error_handler_t gtk_error_handler;
+
+static int 
+gtk_xerror_handler (Display* disp, XErrorEvent* ev)
+{
+	std::cerr << "** ERROR ** LXVSTPluginUI : Trapped an X Window System Error" << std::endl;
+	
+	return 0;
+}
+
+void
+gui_init (int* argc, char** argv[])
+{
+	vstfx_error_handler = XSetErrorHandler (NULL);
+	gtk_init (argc, argv);
+	the_gtk_display = gdk_x11_display_get_xdisplay (gdk_display_get_default());
+	gtk_error_handler = XSetErrorHandler (gtk_xerror_handler);
+}
+