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initial implementation of keyboard event forwarding for LXVST

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This commit is contained in:
Paul Davis 2018-08-11 13:50:42 -04:00
parent 9ba09caa9b
commit a0e75893e0
1 changed files with 54 additions and 3 deletions
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57
gtk2_ardour/lxvst_plugin_ui.cc
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@ -17,11 +17,13 @@
*/ */
#include "gtkmm2ext/gui_thread.h" #include "gtkmm2ext/gui_thread.h"
#include "ardour/lxvst_plugin.h" #include "ardour/lxvst_plugin.h"
#include "ardour/linux_vst_support.h" #include "ardour/linux_vst_support.h"
#include "lxvst_plugin_ui.h" #include "lxvst_plugin_ui.h"
#include <gdk/gdkx.h>
#include <gdk/gdkx.h> /* must come later than glibmm/object.h */
#define LXVST_H_FIDDLE 40 #define LXVST_H_FIDDLE 40
@ -93,9 +95,58 @@ LXVSTPluginUI::package (Gtk::Window& win)
} }
void void
LXVSTPluginUI::forward_key_event (GdkEventKey*) LXVSTPluginUI::forward_key_event (GdkEventKey* gdk_key)
{ {
std::cerr << "LXVSTPluginUI : keypress forwarding to linuxVSTs unsupported" << std::endl; if (!_vst->state()->gtk_window_parent) {
return;
}
Glib::RefPtr<Gdk::Window> gdk_window = ((Gtk::Window*) _vst->state()->gtk_window_parent)->get_window();
if (!gdk_window) {
return;
}
XEvent xev;
int mask;
switch (gdk_key->type) {
case GDK_KEY_PRESS:
xev.xany.type = KeyPress;
mask = KeyPressMask;
break;
case GDK_KEY_RELEASE:
xev.xany.type = KeyPress;
mask = KeyReleaseMask;
break;
default:
return;
}
/* XXX relies on GDK using X11 definitions for these fields */
xev.xkey.state = gdk_key->state;
xev.xkey.keycode = gdk_key->hardware_keycode; /* see gdk/x11/gdkevents-x11.c:translate_key_event() */
xev.xkey.x = 0;
xev.xkey.y = 0;
xev.xkey.x_root = 0;
xev.xkey.y_root = 0;
xev.xkey.root = gdk_x11_get_default_root_xwindow();
xev.xkey.window = _vst->state()->xid;
xev.xkey.subwindow = None;
xev.xkey.time = gdk_key->time;
xev.xany.serial = 0; /* we don't have one */
xev.xany.send_event = true; /* pretend we are using XSendEvent */
xev.xany.display = GDK_WINDOW_XDISPLAY (gdk_window->gobj());
xev.xany.window = _vst->state()->xid;
if (!_vst->state()->eventProc) {
XSendEvent (xev.xany.display, xev.xany.window, TRUE, mask, &xev);
} else {
_vst->state()->eventProc (&xev);
}
} }
int int