gtk2_ardour/vst_pluginui.cc

   1 /*
   2     Copyright (C) 2004 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <fst.h>
  21 #include <gtk/gtk.h>
  22 #include <gtk/gtksocket.h>
  23 #include "ardour/plugin_insert.h"
  24 #include "ardour/vst_plugin.h"
  25
  26 #include "vst_pluginui.h"
  27
  28 #include <gdk/gdkx.h>
  29
  30 using namespace Gtk;
  31 using namespace ARDOUR;
  32 using namespace PBD;
  33
  34 VSTPluginUI::VSTPluginUI (boost::shared_ptr<PluginInsert> pi, boost::shared_ptr<VSTPlugin> vp)
  35         : PlugUIBase (pi),
  36           vst (vp)
  37 {
  38         fst_run_editor (vst->fst());
  39
  40         preset_box.set_spacing (6);
  41         preset_box.set_border_width (6);
  42         preset_box.pack_end (bypass_button, false, false, 10);
  43         preset_box.pack_end (delete_button, false, false);
  44         preset_box.pack_end (save_button, false, false);
  45         preset_box.pack_end (add_button, false, false);
  46         preset_box.pack_end (_preset_box, false, false);
  47
  48         bypass_button.set_active (!insert->active());
  49
  50         pack_start (preset_box, false, false);
  51         pack_start (socket, true, true);
  52         pack_start (plugin_analysis_expander, true, true);
  53 }
  54
  55 VSTPluginUI::~VSTPluginUI ()
  56 {
  57         // plugin destructor destroys the custom GUI, via Windows fun-and-games,
  58         // and then our PluginUIWindow does the rest
  59 }
  60
  61 void
  62 VSTPluginUI::preset_selected ()
  63 {
  64         socket.grab_focus ();
  65         PlugUIBase::preset_selected ();
  66 }
  67
  68 int
  69 VSTPluginUI::get_preferred_height ()
  70 {
  71         return vst->fst()->height;
  72 }
  73
  74 int
  75 VSTPluginUI::get_preferred_width ()
  76 {
  77         return vst->fst()->width;
  78 }
  79
  80 int
  81 VSTPluginUI::package (Gtk::Window& win)
  82 {
  83         /* forward configure events to plugin window */
  84
  85         win.signal_configure_event().connect (sigc::bind (sigc::mem_fun (*this, &VSTPluginUI::configure_handler), &socket), false);
  86
  87         /*
  88            this assumes that the window's owner understands the XEmbed protocol.
  89         */
  90
  91         socket.add_id (fst_get_XID (vst->fst()));
  92
  93         fst_move_window_into_view (vst->fst());
  94
  95         return 0;
  96 }
  97
  98 bool
  99 VSTPluginUI::configure_handler (GdkEventConfigure* ev, Gtk::Socket *socket)
 100 {
 101         XEvent event;
 102         gint x, y;
 103         GdkWindow* w;
 104
 105         if (socket == 0 || ((w = socket->gobj()->plug_window) == 0)) {
 106                 return false;
 107         }
 108
 109         event.xconfigure.type = ConfigureNotify;
 110         event.xconfigure.event = GDK_WINDOW_XWINDOW (w);
 111         event.xconfigure.window = GDK_WINDOW_XWINDOW (w);
 112
 113         /* The ICCCM says that synthetic events should have root relative
 114          * coordinates. We still aren't really ICCCM compliant, since
 115          * we don't send events when the real toplevel is moved.
 116          */
 117         gdk_error_trap_push ();
 118         gdk_window_get_origin (w, &x, &y);
 119         gdk_error_trap_pop ();
 120
 121         event.xconfigure.x = x;
 122         event.xconfigure.y = y;
 123         event.xconfigure.width = GTK_WIDGET(socket->gobj())->allocation.width;
 124         event.xconfigure.height = GTK_WIDGET(socket->gobj())->allocation.height;
 125
 126         event.xconfigure.border_width = 0;
 127         event.xconfigure.above = None;
 128         event.xconfigure.override_redirect = False;
 129
 130         gdk_error_trap_push ();
 131         XSendEvent (GDK_WINDOW_XDISPLAY (w), GDK_WINDOW_XWINDOW (w), False, StructureNotifyMask, &event);
 132         gdk_error_trap_pop ();
 133
 134         return false;
 135 }
 136
 137 typedef int (*error_handler_t)( Display *, XErrorEvent *);
 138 static Display *the_gtk_display;
 139 static error_handler_t wine_error_handler;
 140 static error_handler_t gtk_error_handler;
 141
 142 static int
 143 fst_xerror_handler( Display *disp, XErrorEvent *ev )
 144 {
 145         if (disp == the_gtk_display) {
 146                 printf ("relaying error to gtk\n");
 147                 return gtk_error_handler (disp, ev);
 148         } else {
 149                 printf( "relaying error to wine\n" );
 150                 return wine_error_handler (disp, ev);
 151         }
 152 }
 153
 154 void
 155 gui_init (int *argc, char **argv[])
 156 {
 157         wine_error_handler = XSetErrorHandler (NULL);
 158         gtk_init (argc, argv);
 159         the_gtk_display = gdk_x11_display_get_xdisplay (gdk_display_get_default());
 160         gtk_error_handler = XSetErrorHandler( fst_xerror_handler );
 161 }
 162