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Event loop integration for macOS OSC Touchscreens

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This commit is contained in:
Robin Gareus 2024-11-22 00:08:56 +01:00
parent 04fe2b5aa8
commit 8efa533d6c
2 changed files with 130 additions and 1 deletions
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128
libs/tk/ydk/quartz/gdkeventloop-quartz.c
View file

@ -180,6 +180,103 @@ static gint select_thread_wakeup_pipe[2];
/* Run loop source used to wake up the main thread */
static CFRunLoopSourceRef select_main_thread_source;
#ifdef MACOSCTOUCH
#include <lo/lo.h>
static GPollFD osc_event_poll_fd;
static lo_server osc_server;
static void osc_error_callback(int num, const char *m, const char *path)
{
#ifdef G_ENABLE_DEBUG
if (_gdk_debug_flags & GDK_DEBUG_TOUCH)
g_message ("liblo server error %d in path %s: %s\n", num, path, m);
#endif
}
static gboolean
osc_event_check (GSource* source)
{
return (osc_event_poll_fd.revents & osc_event_poll_fd.events) != 0;
}
static gboolean
osc_event_dispatch (GSource* source, GSourceFunc callback, gpointer user_data)
{
GDK_THREADS_ENTER ();
if (osc_event_poll_fd.revents & G_IO_IN)
{
callback (user_data);
}
gboolean rv = (osc_event_poll_fd.revents & ~(G_IO_IN | G_IO_PRI)) ? G_SOURCE_REMOVE : G_SOURCE_CONTINUE;
GDK_THREADS_LEAVE ();
return rv;;
}
static void
osc_event_finalize (GSource* source)
{
lo_server_free (osc_server);
}
static gboolean
osc_input_handler (gpointer user_data)
{
lo_server_recv (osc_server);
}
static GSourceFuncs osc_event_funcs = {
NULL,
osc_event_check,
osc_event_dispatch,
osc_event_finalize
};
/* ***************************************************************************
* OSC Callbacks
*/
int
test_callback (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data)
{
printf ("test_callback\n");
#if 0 // TODO -> libs/tk/ydk/quartz//gdkevents-quartz.c
GdkEvent* event = gdk_event_new (GDK_TOUCH_BEGIN);
event->touch.window = NULL;
event->touch.time = 0;
event->touch.x = 0.0;
event->touch.y = 0.0;
event->touch.x_root = 0;
event->touch.y_root = 0;
event->touch.state = 0;
event->touch.sequence = 0;
event->touch.flags = 0;
event->touch.deviceid = 0;
append_event (event, TRUE);
#endif
return 0;
}
int
osc_catchall (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data)
{
#ifdef G_ENABLE_DEBUG
if (_gdk_debug_flags & GDK_DEBUG_TOUCH)
g_message ("Unhandled OSC message %s %s\n", path, types);
#endif
return 1; // unhandled
}
/* ***************************************************************************/
#endif
static void
select_thread_set_state (SelectThreadState new_state)
{
@ -1027,6 +1124,37 @@ _gdk_quartz_event_loop_init (void)
g_source_set_can_recurse (source, TRUE);
g_source_attach (source, NULL);
#ifdef MACOSCTOUCH
osc_server = lo_server_new ("7777", osc_error_callback);
//osc_server = lo_server_new_from_url ("osc.udp://127.0.0.1:7777", osc_error_callback);
if (osc_server)
{
#ifdef G_ENABLE_DEBUG
if (_gdk_debug_flags & GDK_DEBUG_TOUCH)
{
char* urlstr = lo_server_get_url (osc_server);
g_message ("OSC server: %s\n", urlstr);
free (urlstr);
}
#endif
lo_server_add_method (osc_server, "/test", "", test_callback, NULL);
lo_server_add_method (osc_server, 0, 0, osc_catchall, NULL);
GSource *osc_source;
osc_event_poll_fd.events = G_IO_IN | G_IO_HUP | G_IO_ERR;
osc_event_poll_fd.fd = lo_server_get_socket_fd (osc_server);
osc_source = g_source_new (&osc_event_funcs, sizeof (GSource));
g_source_set_callback (osc_source, osc_input_handler, osc_server, NULL);
g_source_set_name (osc_source, "GDK Quartz OSC events");
g_source_add_poll (osc_source, &osc_event_poll_fd);
g_source_set_priority (osc_source, GDK_PRIORITY_EVENTS);
g_source_set_can_recurse (osc_source, TRUE);
g_source_attach (osc_source, NULL);
}
#endif
old_poll_func = g_main_context_get_poll_func (NULL);
g_main_context_set_poll_func (NULL, poll_func);

3
libs/tk/ydk/wscript
View file

@ -187,7 +187,8 @@ def build(bld):
if sys.platform == 'darwin':
obj.source = libydk_sources + libydk_quartz_sources
obj.cflags += ['-xobjective-c']
obj.uselib += ' OSX' # -framework Cocoa -framework CoreFoundation -framework ApplicationServices
obj.uselib += ' LO OSX' # -framework Cocoa -framework CoreFoundation -framework ApplicationServices
obj.defines += [ 'MACOSCTOUCH' ] # USE during development to indicate TOUCH SCREEN CHANGE
obj.includes += ['ydk/quartz', 'ydk/quartz/gdk', 'ydk/gdk/quartz']
obj.export_includes += ['ydk/gdk']
obj.export_includes += ['ydk/quartz']