#include "config.h"
#include "gdkwin32messagesourceprivate.h"
#include "gdkevents.h"
#include <windows.h>
typedef struct _GdkWin32MessageSource GdkWin32MessageSource;
struct _GdkWin32MessageSource
{
GSource source;
GPollFD poll_fd;
} ;
static gboolean
gdk_win32_message_source_prepare (GSource *source,
int *timeout)
{
*timeout = -1 ;
return GetQueueStatus (QS_ALLINPUT) != 0 ;
}
static gboolean
gdk_win32_message_source_check (GSource *source)
{
GdkWin32MessageSource *self = (GdkWin32MessageSource *) source;
self->poll_fd.revents = 0 ;
return GetQueueStatus (QS_ALLINPUT) != 0 ;
}
static gboolean
gdk_win32_message_source_dispatch (GSource *source,
GSourceFunc callback,
gpointer user_data)
{
MSG msg;
while (PeekMessage (&msg, NULL, 0 , 0 , PM_REMOVE))
{
TranslateMessage (&msg);
DispatchMessage (&msg);
}
return G_SOURCE_CONTINUE;
}
static void
gdk_win32_message_source_finalize (GSource *source)
{
#ifdef G_WITH_CYGWIN
close (self->poll_fd.fd);
#endif
}
static GSourceFuncs gdk_win32_message_source_funcs = {
gdk_win32_message_source_prepare,
gdk_win32_message_source_check,
gdk_win32_message_source_dispatch,
gdk_win32_message_source_finalize,
};
/*
* gdk_win32_message_source_new :
*
* Creates a new source for processing events of the Windows main loop .
*
* Returns : The new source
*/
GSource *
gdk_win32_message_source_new (void )
{
GdkWin32MessageSource *self;
GSource *source;
source = g_source_new (&gdk_win32_message_source_funcs, sizeof (GdkWin32MessageSource));
g_source_set_static_name (source, "GDK Win32 message source" );
g_source_set_priority (source, GDK_PRIORITY_EVENTS);
self = (GdkWin32MessageSource *) source;
#ifdef G_WITH_CYGWIN
self->poll_fd.fd = open ("/dev/windows" , O_RDONLY);
if (self->poll_fd.fd == -1 )
g_error ("can't open \" /dev/windows\": %s" , g_strerror (errno));
#else
self->poll_fd.fd = G_WIN32_MSG_HANDLE;
#endif
self->poll_fd.events = G_IO_IN;
g_source_add_poll (source, &self->poll_fd);
g_source_set_can_recurse (source, TRUE );
return source;
}
/*
* gdk_win32_message_source_add :
* @ context : ( nullable ) : The context to add the source to
*
* Adds a message source to the default main context .
*
* Returns : the ID ( greater than 0 ) of the event source .
*/
guint
gdk_win32_message_source_add (GMainContext *context)
{
GSource *source;
guint id;
source = gdk_win32_message_source_new ();
id = g_source_attach (source, context);
g_source_unref (source);
return id;
}
Messung V0.5 in Prozent C=98 H=96 G=96
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-07-02)
¤
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