diff options
author | Carl Hetherington <carl@carlh.net> | 2011-11-23 00:57:32 +0000 |
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committer | Carl Hetherington <carl@carlh.net> | 2011-11-23 00:57:32 +0000 |
commit | e913b03fb6205589494fcc99f05917ec871e81c6 (patch) | |
tree | a3e8d6f497d180a26f535fa6f5f277881b113098 /gtk2_ardour/lxvst_plugin_ui.cc | |
parent | d325144ebc550ffe86c73a1f9bb83112bb7ddfa8 (diff) |
Missing files / renames.
git-svn-id: svn://localhost/ardour2/branches/3.0@10785 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'gtk2_ardour/lxvst_plugin_ui.cc')
-rw-r--r-- | gtk2_ardour/lxvst_plugin_ui.cc | 181 |
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); +} + |