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livetrax/gtk2_ardour/windows_vst_plugin_ui.cc

203 lines
5.0 KiB
C++

/*
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 <gtkmm.h>
#include <gtk/gtk.h>
#include <gtk/gtksocket.h>
#include "gtkmm2ext/gui_thread.h"
#include "fst.h"
#include "ardour/plugin_insert.h"
#include "ardour/windows_vst_plugin.h"
#include "windows_vst_plugin_ui.h"
#ifdef PLATFORM_WINDOWS
#include <gdk/gdkwin32.h>
#elif defined __APPLE__
// TODO
#else
#include <gdk/gdkx.h>
#endif
using namespace Gtk;
using namespace ARDOUR;
using namespace PBD;
WindowsVSTPluginUI::WindowsVSTPluginUI (boost::shared_ptr<PluginInsert> pi, boost::shared_ptr<VSTPlugin> vp, GtkWidget *parent)
: VSTPluginUI (pi, vp)
{
#ifdef GDK_WINDOWING_WIN32
gtk_widget_realize(parent);
void* hWndHost = gdk_win32_drawable_get_handle(parent->window);
fst_run_editor (_vst->state(), hWndHost);
// TODO pack a placeholder (compare to VSTPluginUI::VSTPluginUI X11 socket)
// have placeholder use VSTPluginUI::get_preferred_height(), width()
// TODO pack plugin_analysis_expander at the bottom.
#else
fst_run_editor (_vst->state(), NULL);
pack_start (plugin_analysis_expander, true, true);
#endif
}
WindowsVSTPluginUI::~WindowsVSTPluginUI ()
{
fst_destroy_editor (_vst->state());
// plugin destructor destroys the custom GUI, via Windows fun-and-games,
// and then our PluginUIWindow does the rest
}
void
WindowsVSTPluginUI::top_box_allocated (Gtk::Allocation& a)
{
int h = a.get_height() + 12; // 2 * 6px spacing
if (_vst->state()->voffset != h) {
#ifndef NDEBUG
printf("WindowsVSTPluginUI:: update voffset to %d px\n", h);
#endif
_vst->state()->voffset = h;
resize_callback ();
}
}
void
WindowsVSTPluginUI::resize_callback ()
{
void* gtk_parent_window = _vst->state()->gtk_window_parent;
if (gtk_parent_window) {
int width = _vst->state()->width + _vst->state()->hoffset;
int height = _vst->state()->height + _vst->state()->voffset;
#ifndef NDEBUG
printf ("WindowsVSTPluginUI::resize_callback %d x %d\n", width, height);
#endif
set_size_request (width, height);
((Gtk::Window*) gtk_parent_window)->set_size_request (width, height);
((Gtk::Window*) gtk_parent_window)->resize (width, height);
fst_move_window_into_view (_vst->state ());
}
}
int
WindowsVSTPluginUI::package (Gtk::Window& win)
{
#ifndef NDEBUG
printf ("WindowsVSTPluginUI::package\n");
#endif
VSTPluginUI::package (win);
_vst->state()->gtk_window_parent = (void*) (&win);
_vst->VSTSizeWindow.connect (_resize_connection, invalidator (*this), boost::bind (&WindowsVSTPluginUI::resize_callback, this), gui_context());
resize_callback ();
return 0;
}
void
WindowsVSTPluginUI::forward_key_event (GdkEventKey* ev)
{
if (dispatch_effeditkey (ev)) {
return;
}
#ifndef PLATFORM_WINDOWS /* linux + wine ; libs/fst/vstwin.c */
if (ev->type != GDK_KEY_PRESS) {
return;
}
VSTState* fst = _vst->state ();
pthread_mutex_lock (&fst->lock);
if (fst->n_pending_keys == (sizeof (fst->pending_keys) * sizeof (VSTKey))) {
/* buffer full */
return;
}
int special_windows_key = 0;
int character_windows_key = 0;
switch (ev->keyval) {
case GDK_Left:
special_windows_key = 0x25;
break;
case GDK_Right:
special_windows_key = 0x27;
break;
case GDK_Up:
special_windows_key = 0x26;
break;
case GDK_Down:
special_windows_key = 0x28;
break;
case GDK_Return:
case GDK_KP_Enter:
special_windows_key = 0xd;
break;
default:
character_windows_key = ev->keyval;
break;
}
fst->pending_keys[fst->n_pending_keys].special = special_windows_key;
fst->pending_keys[fst->n_pending_keys].character = character_windows_key;
fst->n_pending_keys++;
pthread_mutex_unlock (&fst->lock);
#endif
}
int
WindowsVSTPluginUI::get_XID ()
{
return _vst->state()->xid;
}
#ifdef GDK_WINDOWING_X11
typedef int (*error_handler_t)( Display *, XErrorEvent *);
static Display *the_gtk_display;
static error_handler_t wine_error_handler;
static error_handler_t gtk_error_handler;
static int
fst_xerror_handler (Display* disp, XErrorEvent* ev)
{
if (disp == the_gtk_display) {
printf ("relaying error to gtk\n");
return gtk_error_handler (disp, ev);
} else {
printf( "relaying error to wine\n" );
return wine_error_handler (disp, ev);
}
}
#endif
void
windows_vst_gui_init (int *argc, char **argv[])
{
gtk_init (argc, argv);
#ifdef GDK_WINDOWING_X11
wine_error_handler = XSetErrorHandler (NULL);
the_gtk_display = gdk_x11_display_get_xdisplay (gdk_display_get_default());
gtk_error_handler = XSetErrorHandler (fst_xerror_handler);
#endif
}