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livetrax/gtk2_ardour/windows_vst_plugin_ui.cc
Robin Gareus 4050ca5633
Update GPL boilerplate and (C)
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

203 lines
5.1 KiB
C++

/*
* Copyright (C) 2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2014-2018 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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
}