Stop loading moduleswip/matthiasc/kill-modules

Stop loading modules. We still support print backends
and immodules, but general-purpose modules are going away.

8 files changed, 0 insertions, 544 deletions

diff --git a/gtk/gtk.h b/gtk/gtk.h
index 3143f3f7f2..bb7fc29a4b 100644
--- a/gtk/gtk.h
+++ b/gtk/gtk.h
@@ -146,7 +146,6 @@
 #include <gtk/gtkmenutoolbutton.h>
 #include <gtk/gtkmessagedialog.h>
 #include <gtk/gtkmodelbutton.h>
-#include <gtk/gtkmodules.h>
 #include <gtk/gtkmountoperation.h>
 #include <gtk/gtknativedialog.h>
 #include <gtk/gtknotebook.h>
diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index e8e74238ce..deb5810959 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -32,7 +32,6 @@
  * Before using GTK+, you need to initialize it; initialization connects to the
  * window system display, and parses some standard command line arguments. The
  * gtk_init() macro initializes GTK+. gtk_init() exits the application if errors
- * occur; to avoid this, use gtk_init_check(). gtk_init_check() allows you to
  * recover from a failed GTK+ initialization - you might start up your
  * application in text mode instead.
  *
@@ -120,8 +119,6 @@
 #include "gtkdndprivate.h"
 #include "gtkmain.h"
 #include "gtkmenu.h"
-#include "gtkmodules.h"
-#include "gtkmodulesprivate.h"
 #include "gtkprivate.h"
 #include "gtkrecentmanager.h"
 #include "gtksettingsprivate.h"
@@ -157,7 +154,6 @@ static const GDebugKey gtk_debug_keys[] = {
   { "tree", GTK_DEBUG_TREE },
   { "updates", GTK_DEBUG_UPDATES },
   { "keybindings", GTK_DEBUG_KEYBINDINGS },
-  { "modules", GTK_DEBUG_MODULES },
   { "geometry", GTK_DEBUG_GEOMETRY },
   { "icontheme", GTK_DEBUG_ICONTHEME },
   { "printing", GTK_DEBUG_PRINTING} ,
@@ -383,8 +379,6 @@ gtk_disable_setlocale (void)
 #undef gtk_init_check
 #endif
 
-static GString *gtk_modules_string = NULL;
-
 #ifdef G_OS_WIN32
 
 static char *iso639_to_check = NULL;
@@ -559,9 +553,6 @@ do_pre_parse_initialization (void)
 
   pre_initialized = TRUE;
 
-  if (_gtk_module_has_mixed_deps (NULL))
-    g_error ("GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported");
-
   gdk_pre_parse ();
   gdk_event_handler_set ((GdkEventFunc)gtk_main_do_event, NULL, NULL);
 
@@ -576,21 +567,6 @@ do_pre_parse_initialization (void)
     }
 #endif  /* G_ENABLE_DEBUG */
 
-  env_string = g_getenv ("GTK3_MODULES");
-  if (env_string)
-    gtk_modules_string = g_string_new (env_string);
-
-  env_string = g_getenv ("GTK_MODULES");
-  if (env_string)
-    {
-      if (gtk_modules_string)
-        g_string_append_c (gtk_modules_string, G_SEARCHPATH_SEPARATOR);
-      else
-        gtk_modules_string = g_string_new (NULL);
-
-      g_string_append (gtk_modules_string, env_string);
-    }
-
   env_string = g_getenv ("GTK_SLOWDOWN");
   if (env_string)
     {
@@ -647,16 +623,6 @@ do_post_parse_initialization (void)
 
   gtk_initialized = TRUE;
 
-  if (gtk_modules_string)
-    {
-      _gtk_modules_init (NULL, NULL, gtk_modules_string->str);
-      g_string_free (gtk_modules_string, TRUE);
-    }
-  else
-    {
-      _gtk_modules_init (NULL, NULL, NULL);
-    }
-
   display_manager = gdk_display_manager_get ();
   if (gdk_display_manager_get_default_display (display_manager) != NULL)
     _gtk_accessibility_init ();
diff --git a/gtk/gtkmodules.c b/gtk/gtkmodules.c
index 4db4bc2fa8..4c73f87ab0 100644
--- a/gtk/gtkmodules.c
+++ b/gtk/gtkmodules.c
@@ -20,7 +20,6 @@
 
 #include <string.h>
 
-#include "gtkmodules.h"
 #include "gtksettings.h"
 #include "gtkdebug.h"
 #include "gtkprivate.h"
@@ -28,27 +27,6 @@
 #include "gtkintl.h"
 #include "gtkutilsprivate.h"
 
-#include <gmodule.h>
-
-typedef struct _GtkModuleInfo GtkModuleInfo;
-struct _GtkModuleInfo
-{
-  GModule                 *module;
-  gint                     ref_count;
-  GtkModuleInitFunc        init_func;
-  GtkModuleDisplayInitFunc display_init_func;
-  GSList                  *names;
-};
-
-static GSList *gtk_modules = NULL;
-
-static gboolean default_display_opened = FALSE;
-
-/* Saved argc, argv for delayed module initialization
- */
-static gint    gtk_argc = 0;
-static gchar **gtk_argv = NULL;
-
 static gchar **
 get_module_path (void)
 {
@@ -206,393 +184,3 @@ _gtk_find_module (const gchar *name,
   g_strfreev (paths);
   return module_name;
 }
-
-static GModule *
-find_module (const gchar *name)
-{
-  GModule *module;
-  gchar *module_name;
-
-  module_name = _gtk_find_module (name, "modules");
-  if (!module_name)
-    {
-      /* As last resort, try loading without an absolute path (using system
-       * library path)
-       */
-      module_name = g_module_build_path (NULL, name);
-    }
-
-  module = g_module_open (module_name, G_MODULE_BIND_LOCAL | G_MODULE_BIND_LAZY);
-
-  if (_gtk_module_has_mixed_deps (module))
-    {
-      g_warning ("GTK+ module %s cannot be loaded.\n"
-                 "GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported.", module_name);
-      g_module_close (module);
-      module = NULL;
-    }
-
-  g_free (module_name);
-
-  return module;
-}
-
-static gint
-cmp_module (GtkModuleInfo *info,
-	    GModule       *module)
-{
-  return info->module != module;
-}
-
-static gboolean
-module_is_blacklisted (const gchar *name,
-                       gboolean     verbose)
-{
-  if (g_str_equal (name, "gail") ||
-      g_str_equal (name, "atk-bridge"))
-    {
-      if (verbose)
-        g_message ("Not loading module \"%s\": The functionality is provided by GTK natively. Please try to not load it.", name);
-
-      return TRUE;
-    }
-
-  return FALSE;
-}
-
-static GSList *
-load_module (GSList      *module_list,
-	     const gchar *name)
-{
-  GtkModuleInitFunc modinit_func;
-  gpointer modinit_func_ptr;
-  GtkModuleInfo *info = NULL;
-  GModule *module = NULL;
-  GSList *l;
-  gboolean success = FALSE;
-  
-  if (g_module_supported ())
-    {
-      for (l = gtk_modules; l; l = l->next)
-	{
-	  info = l->data;
-	  if (g_slist_find_custom (info->names, name,
-				   (GCompareFunc)strcmp))
-	    {
-	      info->ref_count++;
-	      
-	      success = TRUE;
-              break;
-	    }
-          info = NULL;
-	}
-
-      if (!success)
-	{
-	  module = find_module (name);
-
-	  if (module)
-	    {
-              /* Do the check this late so we only warn about existing modules,
-               * not old modules that are still in the modules path. */
-              if (module_is_blacklisted (name, TRUE))
-                {
-                  modinit_func = NULL;
-                  success = TRUE;
-                }
-              else if (g_module_symbol (module, "gtk_module_init", &modinit_func_ptr))
-		modinit_func = modinit_func_ptr;
-	      else
-		modinit_func = NULL;
-
-	      if (!modinit_func)
-		g_module_close (module);
-	      else
-		{
-		  GSList *temp;
-
-		  success = TRUE;
-		  info = NULL;
-
-		  temp = g_slist_find_custom (gtk_modules, module,
-			(GCompareFunc)cmp_module);
-		  if (temp != NULL)
-			info = temp->data;
-
-		  if (!info)
-		    {
-		      info = g_new0 (GtkModuleInfo, 1);
-		      
-		      info->names = g_slist_prepend (info->names, g_strdup (name));
-		      info->module = module;
-		      info->ref_count = 1;
-		      info->init_func = modinit_func;
-		      g_module_symbol (module, "gtk_module_display_init",
-				       (gpointer *) &info->display_init_func);
-		      
-		      gtk_modules = g_slist_append (gtk_modules, info);
-		      
-		      /* display_init == NULL indicates a non-multihead aware module.
-		       * For these, we delay the call to init_func until first display is
-		       * opened, see default_display_notify_cb().
-		       * For multihead aware modules, we call init_func immediately,
-		       * and also call display_init_func on all opened displays.
-		       */
-		      if (default_display_opened || info->display_init_func)
-			(* info->init_func) (&gtk_argc, &gtk_argv);
-		      
-		      if (info->display_init_func) 
-			{
-			  GSList *displays, *iter; 		  
-			  displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
-			  for (iter = displays; iter; iter = iter->next)
-			    {
-			      GdkDisplay *display = iter->data;
-			  (* info->display_init_func) (display);
-			    }
-			  g_slist_free (displays);
-			}
-		    }
-		  else
-		    {
-		      GTK_NOTE (MODULES, g_message ("Module already loaded, ignoring: %s", name));
-		      info->names = g_slist_prepend (info->names, g_strdup (name));
-		      info->ref_count++;
-		      /* remove new reference count on module, we already have one */
-		      g_module_close (module);
-		    }
-		}
-	    }
-	}
-    }
-
-  if (success && info)
-    {
-      if (!g_slist_find (module_list, info))
-	{
-	  module_list = g_slist_prepend (module_list, info);
-	}
-    }
-  else
-    {
-      if (!module_is_blacklisted (name, FALSE))
-        {
-          const gchar *error = g_module_error ();
-
-          g_message ("Failed to load module \"%s\"%s%s",
-                     name, error ? ": " : "", error ? error : "");
-        }
-    }
-
-  return module_list;
-}
-
-
-static void
-gtk_module_info_unref (GtkModuleInfo *info)
-{
-  GSList *l;
-
-  info->ref_count--;
-
-  if (info->ref_count == 0)
-    {
-      GTK_NOTE (MODULES,
-		g_message ("Unloading module: %s", g_module_name (info->module)));
-
-      gtk_modules = g_slist_remove (gtk_modules, info);
-      g_module_close (info->module);
-      for (l = info->names; l; l = l->next)
-	g_free (l->data);
-      g_slist_free (info->names);
-      g_free (info);
-    }
-}
-
-static GSList *
-load_modules (const char *module_str)
-{
-  gchar **module_names;
-  GSList *module_list = NULL;
-  gint i;
-
-  GTK_NOTE (MODULES, g_message ("Loading module list: %s", module_str));
-
-  module_names = gtk_split_file_list (module_str);
-  for (i = 0; module_names[i]; i++)
-    module_list = load_module (module_list, module_names[i]);
-
-  module_list = g_slist_reverse (module_list);
-  g_strfreev (module_names);
-
-  return module_list;
-}
-
-static void
-default_display_notify_cb (GdkDisplayManager *display_manager)
-{
-  GSList *slist;
-
-  /* Initialize non-multihead-aware modules when the
-   * default display is first set to a non-NULL value.
-   */
-
-  if (!gdk_display_get_default () || default_display_opened)
-    return;
-
-  default_display_opened = TRUE;
-
-  for (slist = gtk_modules; slist; slist = slist->next)
-    {
-      if (slist->data)
-	{
-	  GtkModuleInfo *info = slist->data;
-
-	  if (!info->display_init_func)
-	    (* info->init_func) (&gtk_argc, &gtk_argv);
-	}
-    }
-}
-
-static void
-display_closed_cb (GdkDisplay *display,
-		   gboolean    is_error)
-{
-  GtkSettings *settings;
-
-  settings = gtk_settings_get_for_display (display);
-
-  g_object_set_data_full (G_OBJECT (settings), I_("gtk-modules"), NULL, NULL);
-}
-
-static void
-display_opened_cb (GdkDisplayManager *display_manager,
-		   GdkDisplay        *display)
-{
-  GValue value = G_VALUE_INIT;
-  GSList *slist;
-  GtkSettings *settings;
-
-  for (slist = gtk_modules; slist; slist = slist->next)
-    {
-      if (slist->data)
-	{
-	  GtkModuleInfo *info = slist->data;
-
-	  if (info->display_init_func)
-	    (* info->display_init_func) (display);
-	}
-    }
-
-  g_value_init (&value, G_TYPE_STRING);
-
-  if (gdk_display_get_setting (display, "gtk-modules", &value))
-    {
-      settings = gtk_settings_get_for_display (display);
-      _gtk_modules_settings_changed (settings, g_value_get_string (&value));
-      g_value_unset (&value);
-    }
-
-  /* Since closing display doesn't actually release the resources yet,
-   * we have to connect to the ::closed signal.
-   */
-  g_signal_connect (display, "closed", G_CALLBACK (display_closed_cb), NULL);
-}
-
-void
-_gtk_modules_init (gint        *argc,
-		   gchar     ***argv,
-		   const gchar *gtk_modules_args)
-{
-  GdkDisplayManager *display_manager;
-  gint i;
-
-  g_assert (gtk_argv == NULL);
-
-  if (argc && argv)
-    {
-      /* store argc and argv for later use in mod initialization */
-      gtk_argc = *argc;
-      gtk_argv = g_new (gchar *, *argc + 1);
-      for (i = 0; i < gtk_argc; i++)
-	gtk_argv [i] = g_strdup ((*argv) [i]);
-      gtk_argv [*argc] = NULL;
-    }
-
-  display_manager = gdk_display_manager_get ();
-  default_display_opened = gdk_display_get_default () != NULL;
-  g_signal_connect (display_manager, "notify::default-display",
-                    G_CALLBACK (default_display_notify_cb),
-                    NULL);
-  g_signal_connect (display_manager, "display-opened",
-                    G_CALLBACK (display_opened_cb),
-                    NULL);
-
-  if (gtk_modules_args)
-    {
-      /* Modules specified in the GTK_MODULES environment variable
-       * or on the command line are always loaded, so we'll just leak
-       * the refcounts.
-       */
-      g_slist_free (load_modules (gtk_modules_args));
-    }
-}
-
-static void
-settings_destroy_notify (gpointer data)
-{
-  GSList *iter, *modules = data;
-
-  for (iter = modules; iter; iter = iter->next) 
-    {
-      GtkModuleInfo *info = iter->data;
-      gtk_module_info_unref (info);
-    }
-  g_slist_free (modules);
-}
-
-void
-_gtk_modules_settings_changed (GtkSettings *settings, 
-			       const gchar *modules)
-{
-  GSList *new_modules = NULL;
-
-  GTK_NOTE (MODULES, g_message ("gtk-modules setting changed to: %s", modules));
-
-  /* load/ref before unreffing existing */
-  if (modules && modules[0])
-    new_modules = load_modules (modules);
-
-  g_object_set_data_full (G_OBJECT (settings),
-			  I_("gtk-modules"),
-			  new_modules,
-			  settings_destroy_notify);
-}
-
-/* Return TRUE if module_to_check causes version conflicts.
- * If module_to_check is NULL, check the main module.
- */
-gboolean
-_gtk_module_has_mixed_deps (GModule *module_to_check)
-{
-  GModule *module;
-  gpointer func;
-  gboolean result;
-
-  if (!module_to_check)
-    module = g_module_open (NULL, 0);
-  else
-    module = module_to_check;
-
-  if (g_module_symbol (module, "gtk_progress_get_type", &func))
-    result = TRUE;
-  else if (g_module_symbol (module, "gtk_misc_get_type", &func))
-    result = TRUE;
-  else
-    result = FALSE;
-
-  if (!module_to_check)
-    g_module_close (module);
-
-  return result;
-}
diff --git a/gtk/gtkmodules.h b/gtk/gtkmodules.h
deleted file mode 100644
index d851cd0f4c..0000000000
--- a/gtk/gtkmodules.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* GTK - The GIMP Toolkit
- * Copyright 1998-2002 Tim Janik, Red Hat, Inc., and others.
- * Copyright (C) 2003 Alex Graveley
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef __GTK_MODULES_H__
-#define __GTK_MODULES_H__
-
-#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
-#error "Only <gtk/gtk.h> can be included directly."
-#endif
-
-#include <gdk/gdk.h>
-
-G_BEGIN_DECLS
-
-/**
- * GtkModuleInitFunc:
- * @argc: (allow-none): GTK+ always passes %NULL for this argument
- * @argv: (allow-none) (array length=argc): GTK+ always passes %NULL for this argument
- *
- * Each GTK+ module must have a function gtk_module_init() with this prototype.
- * This function is called after loading the module.
- */
-typedef void     (*GtkModuleInitFunc)        (gint        *argc,
-                                              gchar      ***argv);
-
-/**
- * GtkModuleDisplayInitFunc:
- * @display: an open #GdkDisplay
- *
- * A multihead-aware GTK+ module may have a gtk_module_display_init() function
- * with this prototype. GTK+ calls this function for each opened display.
- */
-typedef void     (*GtkModuleDisplayInitFunc) (GdkDisplay   *display);
-
-
-G_END_DECLS
-
-
-#endif /* __GTK_MODULES_H__ */
diff --git a/gtk/gtkmodulesprivate.h b/gtk/gtkmodulesprivate.h
index 11dbebfd9d..54427369f8 100644
--- a/gtk/gtkmodulesprivate.h
+++ b/gtk/gtkmodulesprivate.h
@@ -27,20 +27,10 @@
 
 G_BEGIN_DECLS
 
-#include "gtksettings.h"
-
 gchar  * _gtk_find_module              (const gchar  *name,
                                         const gchar  *type);
 gchar ** _gtk_get_module_path          (const gchar  *type);
 
-void     _gtk_modules_init             (gint          *argc,
-                                        gchar       ***argv,
-                                        const gchar   *gtk_modules_args);
-void     _gtk_modules_settings_changed (GtkSettings   *settings,
-                                        const gchar   *modules);
-
-gboolean _gtk_module_has_mixed_deps    (GModule       *module);
-
 G_END_DECLS
 
 #endif /* __GTK_MODULES_PRIVATE_H__ */
diff --git a/gtk/gtkprintbackend.c b/gtk/gtkprintbackend.c
index 38bb769ee8..bd294fca0f 100644
--- a/gtk/gtkprintbackend.c
+++ b/gtk/gtkprintbackend.c
@@ -22,7 +22,6 @@
 #include <gmodule.h>
 
 #include "gtkintl.h"
-#include "gtkmodules.h"
 #include "gtkmodulesprivate.h"
 #include "gtkmarshalers.h"
 #include "gtkprivate.h"
diff --git a/gtk/gtksettings.c b/gtk/gtksettings.c
index 98dce9066c..67e377f1ba 100644
--- a/gtk/gtksettings.c
+++ b/gtk/gtksettings.c
@@ -22,8 +22,6 @@
 
 #include "gtksettings.h"
 
-#include "gtkmodules.h"
-#include "gtkmodulesprivate.h"
 #include "gtksettingsprivate.h"
 #include "gtkintl.h"
 #include "gtkwidget.h"
@@ -154,7 +152,6 @@ enum {
   PROP_KEY_THEME_NAME,
   PROP_DND_DRAG_THRESHOLD,
   PROP_FONT_NAME,
-  PROP_MODULES,
   PROP_XFT_ANTIALIAS,
   PROP_XFT_HINTING,
   PROP_XFT_HINTSTYLE,
@@ -212,7 +209,6 @@ static guint    settings_install_property_parser (GtkSettingsClass      *class,
                                                   GParamSpec            *pspec,
                                                   GtkRcPropertyParser    parser);
 static void    settings_update_double_click      (GtkSettings           *settings);
-static void    settings_update_modules           (GtkSettings           *settings);
 
 static void    settings_update_cursor_theme      (GtkSettings           *settings);
 static void    settings_update_font_options      (GtkSettings           *settings);
@@ -456,15 +452,6 @@ gtk_settings_class_init (GtkSettingsClass *class)
   g_assert (result == PROP_FONT_NAME);
 
   result = settings_install_property_parser (class,
-                                             g_param_spec_string ("gtk-modules",
-                                                                  P_("GTK Modules"),
-                                                                  P_("List of currently active GTK modules"),
-                                                                  NULL,
-                                                                  GTK_PARAM_READWRITE),
-                                             NULL);
-  g_assert (result == PROP_MODULES);
-
-  result = settings_install_property_parser (class,
                                              g_param_spec_int ("gtk-xft-antialias",
                                                                P_("Xft Antialias"),
                                                                P_("Whether to antialias Xft fonts; 0=no, 1=yes, -1=default"),
@@ -1203,7 +1190,6 @@ gtk_settings_create_for_display (GdkDisplay *display)
 
   settings_init_style (settings);
   settings_update_xsettings (settings);
-  settings_update_modules (settings);
   settings_update_double_click (settings);
   settings_update_cursor_theme (settings);
   settings_update_font_options (settings);
@@ -1332,9 +1318,6 @@ gtk_settings_notify (GObject    *object,
 
   switch (property_id)
     {
-    case PROP_MODULES:
-      settings_update_modules (settings);
-      break;
     case PROP_DOUBLE_CLICK_TIME:
     case PROP_DOUBLE_CLICK_DISTANCE:
       settings_update_double_click (settings);
@@ -2056,20 +2039,6 @@ settings_update_double_click (GtkSettings *settings)
 }
 
 static void
-settings_update_modules (GtkSettings *settings)
-{
-  gchar *modules;
-
-  g_object_get (settings,
-                "gtk-modules", &modules,
-                NULL);
-
-  _gtk_modules_settings_changed (settings, modules);
-
-  g_free (modules);
-}
-
-static void
 settings_update_cursor_theme (GtkSettings *settings)
 {
   GtkSettingsPrivate *priv = settings->priv;
diff --git a/gtk/meson.build b/gtk/meson.build
index 92d4c0b434..4379956d86 100644
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -486,7 +486,6 @@ gtk_public_headers = files([
   'gtkmenutoolbutton.h',
   'gtkmessagedialog.h',
   'gtkmodelbutton.h',
-  'gtkmodules.h',
   'gtkmountoperation.h',
   'gtknativedialog.h',
   'gtknotebook.h',