move to GTK+3 (>= 3.14), drop GTK+2 code and --with-gtk build option

1 files changed, 0 insertions, 264 deletions

diff --git a/src/core/errors.c b/src/core/errors.c
index c2cf82d0..19d2e015 100644
--- a/src/core/errors.c
+++ b/src/core/errors.c
@@ -30,23 +30,6 @@
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
-#if !GTK_CHECK_VERSION (3, 0, 0)
-static int x_error_handler    (Display     *display,
-                               XErrorEvent *error);
-static int x_io_error_handler (Display     *display);
-#endif
-
-void
-meta_errors_init (void)
-{
-#if !GTK_CHECK_VERSION (3, 0, 0)
-  XSetErrorHandler (x_error_handler);
-  XSetIOErrorHandler (x_io_error_handler);
-#endif
-}
-
-#if GTK_CHECK_VERSION (3, 0, 0)
-
 void
 meta_error_trap_push (MetaDisplay *display)
 {
@@ -73,250 +56,3 @@ meta_error_trap_pop_with_return  (MetaDisplay *display,
   return gdk_error_trap_pop ();
 }
 
-#else
-
-typedef struct ForeignDisplay ForeignDisplay;
-
-struct ForeignDisplay
-{
-    Display *dpy;
-    ErrorHandler handler;
-    gpointer data;
-    ForeignDisplay *next;
-};
-
-static ForeignDisplay *foreign_displays;
-
-void
-meta_errors_register_foreign_display (Display      *foreign_dpy,
-				      ErrorHandler  handler,
-				      gpointer      data)
-{
-    ForeignDisplay *info = g_new0 (ForeignDisplay, 1);
-    info->dpy = foreign_dpy;
-    info->handler = handler;
-    info->data = data;
-    info->next = foreign_displays;
-    foreign_displays = info;
-}
-
-static void
-meta_error_trap_push_internal (MetaDisplay *display,
-                               gboolean     need_sync)
-{
-  /* GDK resets the error handler on each push */
-  int (* old_error_handler) (Display     *,
-                             XErrorEvent *);
-
-  if (need_sync)
-    {
-      XSync (display->xdisplay, False);
-    }
-
-  gdk_error_trap_push ();
-
-  /* old_error_handler will just be equal to x_error_handler
-   * for nested traps
-   */
-  old_error_handler = XSetErrorHandler (x_error_handler);
-
-  /* Replace GDK handler, but save it so we can chain up */
-  if (display->error_trap_handler == NULL)
-    {
-      g_assert (display->error_traps == 0);
-      display->error_trap_handler = old_error_handler;
-      g_assert (display->error_trap_handler != x_error_handler);
-    }
-
-  display->error_traps += 1;
-
-  meta_topic (META_DEBUG_ERRORS, "%d traps remain\n", display->error_traps);
-}
-
-static int
-meta_error_trap_pop_internal  (MetaDisplay *display,
-                               gboolean     need_sync)
-{
-  int result;
-
-  g_assert (display->error_traps > 0);
-
-  if (need_sync)
-    {
-      XSync (display->xdisplay, False);
-    }
-
-  result = gdk_error_trap_pop ();
-
-  display->error_traps -= 1;
-
-  if (display->error_traps == 0)
-    {
-      /* check that GDK put our handler back; this
-       * assumes that there are no pending GDK traps from GDK itself
-       */
-
-      XSetErrorHandler (x_error_handler);
-
-      /* remove this */
-      display->error_trap_handler = NULL;
-    }
-
-  meta_topic (META_DEBUG_ERRORS, "%d traps\n", display->error_traps);
-
-  return result;
-}
-
-void
-meta_error_trap_push (MetaDisplay *display)
-{
-  meta_error_trap_push_internal (display, FALSE);
-}
-
-void
-meta_error_trap_pop (MetaDisplay *display,
-                     gboolean     last_request_was_roundtrip)
-{
-  gboolean need_sync;
-
-  /* we only have to sync when popping the outermost trap */
-  need_sync = (display->error_traps == 1 && !last_request_was_roundtrip);
-
-  if (need_sync)
-    meta_topic (META_DEBUG_SYNC, "Syncing on error_trap_pop, traps = %d, roundtrip = %d\n",
-                display->error_traps, last_request_was_roundtrip);
-
-  display->error_trap_synced_at_last_pop = need_sync || last_request_was_roundtrip;
-
-  meta_error_trap_pop_internal (display, need_sync);
-}
-
-void
-meta_error_trap_push_with_return (MetaDisplay *display)
-{
-  gboolean need_sync;
-
-  /* We don't sync on push_with_return if there are no traps
-   * currently, because we assume that any errors were either covered
-   * by a previous pop, or were fatal.
-   *
-   * More generally, we don't sync if we were synchronized last time
-   * we popped. This is known to be the case if there are no traps,
-   * but we also keep a flag so we know whether it's the case otherwise.
-   */
-
-  if (!display->error_trap_synced_at_last_pop)
-    need_sync = TRUE;
-  else
-    need_sync = FALSE;
-
-  if (need_sync)
-    meta_topic (META_DEBUG_SYNC, "Syncing on error_trap_push_with_return, traps = %d\n",
-                display->error_traps);
-
-  meta_error_trap_push_internal (display, FALSE);
-}
-
-int
-meta_error_trap_pop_with_return  (MetaDisplay *display,
-                                  gboolean     last_request_was_roundtrip)
-{
-  if (!last_request_was_roundtrip)
-    meta_topic (META_DEBUG_SYNC, "Syncing on error_trap_pop_with_return, traps = %d, roundtrip = %d\n",
-                display->error_traps, last_request_was_roundtrip);
-
-  display->error_trap_synced_at_last_pop = TRUE;
-
-  return meta_error_trap_pop_internal (display,
-                                       !last_request_was_roundtrip);
-}
-
-static int
-x_error_handler (Display     *xdisplay,
-                 XErrorEvent *error)
-{
-  int retval;
-  gchar buf[64];
-  MetaDisplay *display;
-  ForeignDisplay *foreign;
-
-  for (foreign = foreign_displays; foreign != NULL; foreign = foreign->next)
-  {
-      if (foreign->dpy == xdisplay)
-      {
-	  foreign->handler (xdisplay, error, foreign->data);
-
-	  return 0;
-      }
-  }
-
-  XGetErrorText (xdisplay, error->error_code, buf, 63);
-
-  display = meta_display_for_x_display (xdisplay);
-
-  /* Display can be NULL here because the compositing manager
-   * has its own Display, but Xlib only has one global error handler
-   */
-  if (display->error_traps > 0)
-    {
-      /* we're in an error trap, chain to the trap handler
-       * saved from GDK
-       */
-      meta_verbose ("X error: %s serial %ld error_code %d request_code %d minor_code %d)\n",
-                    buf,
-                    error->serial,
-                    error->error_code,
-                    error->request_code,
-                    error->minor_code);
-
-      g_assert (display->error_trap_handler != NULL);
-      g_assert (display->error_trap_handler != x_error_handler);
-
-      retval = (* display->error_trap_handler) (xdisplay, error);
-    }
-  else
-    {
-      meta_bug ("Unexpected X error: %s serial %ld error_code %d request_code %d minor_code %d)\n",
-                buf,
-                error->serial,
-                error->error_code,
-                error->request_code,
-                error->minor_code);
-
-      retval = 1; /* compiler warning */
-    }
-
-  return retval;
-}
-
-static int
-x_io_error_handler (Display *xdisplay)
-{
-  MetaDisplay *display;
-
-  display = meta_display_for_x_display (xdisplay);
-
-  if (display == NULL)
-    meta_bug ("IO error received for unknown display?\n");
-
-  if (errno == EPIPE)
-    {
-      meta_warning (_("Lost connection to the display '%s';\n"
-                      "most likely the X server was shut down or you killed/destroyed\n"
-                      "the window manager.\n"),
-                    display->name);
-    }
-  else
-    {
-      meta_warning (_("Fatal IO error %d (%s) on display '%s'.\n"),
-                    errno, g_strerror (errno),
-                    display->name);
-    }
-
-  /* Xlib would force an exit anyhow */
-  exit (1);
-
-  return 0;
-}
-
-#endif