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- /* The GIMP -- an image manipulation program
- * Copyright (C) 1995 Spencer Kimball and Peter Mattis
- *
- * module_db.c (C) 1999 Austin Donnelly <austin@gimp.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
- #include "config.h"
-
- #include <glib.h>
-
- #include <stdio.h>
- #include <string.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #ifdef HAVE_UNISTD_H
- #include <unistd.h>
- #endif
- #include <time.h>
-
- #include <gtk/gtk.h>
-
- #include "apptypes.h"
-
- #include "appenv.h"
- #include "module_db.h"
- #include "gimpsignal.h"
- #include "gimprc.h"
- #include "datafiles.h"
- #include "gimpset.h"
- #include "gimpui.h"
-
- #include "libgimp/gimpenv.h"
- #include "libgimp/gimpmodule.h"
-
- #include "libgimp/gimpintl.h"
-
-
- /* export this to gimprc.c */
- gchar *module_db_load_inhibit = NULL;
-
- typedef enum
- {
- ST_MODULE_ERROR, /* missing module_load function or other error */
- ST_LOADED_OK, /* happy and running (normal state of affairs) */
- ST_LOAD_FAILED, /* module_load returned GIMP_MODULE_UNLOAD */
- ST_UNLOAD_REQUESTED, /* sent unload request, waiting for callback */
- ST_UNLOADED_OK /* callback arrived, module not in memory anymore */
- } module_state;
-
- static const gchar * const statename[] =
- {
- N_("Module error"),
- N_("Loaded OK"),
- N_("Load failed"),
- N_("Unload requested"),
- N_("Unloaded OK")
- };
-
- #ifdef __EMX__
- extern void gimp_color_selector_register ();
- extern void gimp_color_selector_unregister ();
- extern void gimp_color_display_register ();
- extern void gimp_color_display_unregister ();
- extern void dialog_register ();
- extern void dialog_unregister ();
-
- static struct main_funcs_struc
- {
- gchar *name;
- void (*func) ();
- }
-
- gimp_main_funcs[] =
- {
- { "gimp_color_selector_register", gimp_color_selector_register },
- { "gimp_color_selector_unregister", gimp_color_selector_unregister },
- { "gimp_color_display_register", gimp_color_display_register },
- { "gimp_color_display_unregister", gimp_color_display_unregister },
- { "dialog_register", dialog_register },
- { "dialog_unregister", dialog_unregister },
- { NULL, NULL }
- };
- #endif
-
-
- /* one of these objects is kept per-module */
- typedef struct
- {
- GtkObject object;
-
- gchar *fullpath; /* path to the module */
- module_state state; /* what's happened to the module */
- gboolean ondisk; /* TRUE if file still exists */
- gboolean load_inhibit; /* user requests not to load at boot time */
- gint refs; /* how many time we're running in the module */
-
- /* stuff from now on may be NULL depending on the state the module is in */
- GimpModuleInfo *info; /* returned values from module_init */
- GModule *module; /* handle on the module */
- gchar *last_module_error;
-
- GimpModuleInitFunc init;
- GimpModuleUnloadFunc unload;
- } ModuleInfo;
-
-
- static guint module_info_get_type (void);
-
- #define MODULE_INFO_TYPE module_info_get_type()
- #define MODULE_INFO(obj) GTK_CHECK_CAST (obj, MODULE_INFO_TYPE, ModuleInfo)
- #define IS_MODULE_INFO(obj) GTK_CHECK_TYPE (obj, MODULE_INFO_TYPE)
-
-
- #define NUM_INFO_LINES 7
-
- typedef struct
- {
- GtkWidget *table;
- GtkWidget *label[NUM_INFO_LINES];
- GtkWidget *button_label;
- ModuleInfo *last_update;
- GtkWidget *button;
- GtkWidget *list;
- GtkWidget *load_inhibit_check;
- } BrowserState;
-
- /* global set of module_info pointers */
- static GimpSet *modules;
- static GimpSetHandlerId modules_handler;
-
- /* If the inhibit state of any modules changes, we might need to
- * re-write the modulerc. */
- static gboolean need_to_rewrite_modulerc = FALSE;
-
-
- /* debug control: */
-
- /*#define DUMP_DB*/
- /*#define DEBUG*/
-
- #ifdef DEBUG
- #undef DUMP_DB
- #define DUMP_DB
- #define TRC(x) printf x
- #else
- #define TRC(x)
- #endif
-
-
- /* prototypes */
- static void module_initialize (gchar *filename);
- static void mod_load (ModuleInfo *mod,
- gboolean verbose);
- static void mod_unload (ModuleInfo *mod,
- gboolean verbose);
- static gboolean mod_idle_unref (ModuleInfo *mod);
- static ModuleInfo * module_find_by_path (const gchar *fullpath);
-
- #ifdef DUMP_DB
- static void print_module_info (gpointer data,
- gpointer user_data);
- #endif
-
- static void browser_popdown_callback (GtkWidget *widget,
- gpointer data);
- static void browser_destroy_callback (GtkWidget *widget,
- gpointer data);
- static void browser_info_update (ModuleInfo *mod,
- BrowserState *st);
- static void browser_info_add (GimpSet *set,
- ModuleInfo *mod,
- BrowserState *st);
- static void browser_info_remove (GimpSet *set,
- ModuleInfo *mod,
- BrowserState *st);
- static void browser_info_init (BrowserState *st,
- GtkWidget *table);
- static void browser_select_callback (GtkWidget *widget,
- GtkWidget *child);
- static void browser_load_unload_callback (GtkWidget *widget,
- gpointer data);
- static void browser_refresh_callback (GtkWidget *widget,
- gpointer data);
- static void make_list_item (gpointer data,
- gpointer user_data);
-
- static void gimp_module_ref (ModuleInfo *mod);
- static void gimp_module_unref (ModuleInfo *mod);
-
-
-
- /**************************************************************/
- /* Exported functions */
-
- void
- module_db_init (void)
- {
- gchar *filename;
-
- /* load the modulerc file */
- filename = gimp_personal_rc_file ("modulerc");
- parse_gimprc_file (filename);
- g_free (filename);
-
- /* Load and initialize gimp modules */
-
- modules = gimp_set_new (MODULE_INFO_TYPE, FALSE);
-
- if (g_module_supported ())
- datafiles_read_directories (module_path,
- module_initialize, 0 /* no flags */);
- #ifdef DUMP_DB
- gimp_set_foreach (modules, print_module_info, NULL);
- #endif
- }
-
- static void
- free_a_single_module (gpointer data,
- gpointer user_data)
- {
- ModuleInfo *mod = data;
-
- if (mod->module && mod->unload && mod->state == ST_LOADED_OK)
- {
- mod_unload (mod, FALSE);
- }
- }
-
- static void
- add_to_inhibit_string (gpointer data,
- gpointer user_data)
- {
- ModuleInfo *mod = data;
- GString *str = user_data;
-
- if (mod->load_inhibit)
- {
- str = g_string_append_c (str, G_SEARCHPATH_SEPARATOR);
- str = g_string_append (str, mod->fullpath);
- }
- }
-
-
- static gboolean
- module_db_write_modulerc (void)
- {
- GString *str;
- gchar *p;
- gchar *filename;
- FILE *fp;
- gboolean saved = FALSE;
-
- str = g_string_new (NULL);
- gimp_set_foreach (modules, add_to_inhibit_string, str);
- if (str->len > 0)
- p = str->str + 1;
- else
- p = "";
-
- filename = gimp_personal_rc_file ("modulerc");
- fp = fopen (filename, "wt");
- g_free (filename);
- if (fp)
- {
- fprintf (fp, "(module-load-inhibit \"%s\")\n", p);
- fclose (fp);
- saved = TRUE;
- }
-
- g_string_free (str, TRUE);
- return (saved);
- }
-
-
- void
- module_db_free (void)
- {
- if (need_to_rewrite_modulerc)
- {
- if (module_db_write_modulerc ())
- {
- need_to_rewrite_modulerc = FALSE;
- }
- }
- gimp_set_foreach (modules, free_a_single_module, NULL);
- }
-
-
- GtkWidget *
- module_db_browser_new (void)
- {
- GtkWidget *shell;
- GtkWidget *hbox;
- GtkWidget *vbox;
- GtkWidget *listbox;
- GtkWidget *button;
- BrowserState *st;
-
- shell = gimp_dialog_new (_("Module DB"), "module_db_dialog",
- gimp_standard_help_func,
- "dialogs/module_browser.html",
- GTK_WIN_POS_NONE,
- FALSE, TRUE, FALSE,
-
- _("OK"), browser_popdown_callback,
- NULL, NULL, NULL, TRUE, TRUE,
-
- NULL);
-
- vbox = gtk_vbox_new (FALSE, 5);
- gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG (shell)->vbox), vbox);
- gtk_widget_show (vbox);
-
- listbox = gtk_scrolled_window_new (NULL, NULL);
- gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (listbox),
- GTK_POLICY_AUTOMATIC,
- GTK_POLICY_AUTOMATIC);
- gtk_box_pack_start (GTK_BOX (vbox), listbox, TRUE, TRUE, 0);
- gtk_widget_set_usize (listbox, 125, 100);
- gtk_widget_show (listbox);
-
- st = g_new0 (BrowserState, 1);
-
- st->list = gtk_list_new ();
- gtk_list_set_selection_mode (GTK_LIST (st->list), GTK_SELECTION_BROWSE);
- gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (listbox),
- st->list);
-
- gimp_set_foreach (modules, make_list_item, st);
-
- gtk_widget_show (st->list);
-
- st->table = gtk_table_new (5, NUM_INFO_LINES + 1, FALSE);
- gtk_table_set_col_spacings (GTK_TABLE (st->table), 4);
- gtk_box_pack_start (GTK_BOX (vbox), st->table, FALSE, FALSE, 0);
- gtk_widget_show (st->table);
-
- hbox = gtk_hbutton_box_new ();
- gtk_button_box_set_layout (GTK_BUTTON_BOX (hbox), GTK_BUTTONBOX_SPREAD);
-
- gtk_widget_show (hbox);
- gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, FALSE, 5);
-
- button = gtk_button_new_with_label (_("Refresh"));
- gtk_widget_show (button);
- gtk_signal_connect (GTK_OBJECT (button), "clicked",
- browser_refresh_callback, st);
- gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
-
- st->button = gtk_button_new_with_label ("");
- st->button_label = GTK_BIN (st->button)->child;
- gtk_box_pack_start (GTK_BOX (hbox), st->button, TRUE, TRUE, 0);
- gtk_widget_show (st->button);
- gtk_signal_connect (GTK_OBJECT (st->button), "clicked",
- browser_load_unload_callback, st);
-
- browser_info_init (st, st->table);
- browser_info_update (st->last_update, st);
-
- gtk_object_set_user_data (GTK_OBJECT (st->list), st);
-
- gtk_signal_connect (GTK_OBJECT (st->list), "select_child",
- browser_select_callback, NULL);
-
- /* hook the gimpset signals so we can refresh the display
- * appropriately. */
- modules_handler =
- gimp_set_add_handler (modules, "modified", browser_info_update, st);
-
- gtk_signal_connect (GTK_OBJECT (modules), "add",
- browser_info_add, st);
- gtk_signal_connect (GTK_OBJECT (modules), "remove",
- browser_info_remove, st);
-
- gtk_signal_connect (GTK_OBJECT (shell), "destroy",
- browser_destroy_callback, st);
-
- return shell;
- }
-
-
- /**************************************************************/
- /* ModuleInfo object glue */
-
-
- typedef struct
- {
- GtkObjectClass parent_class;
- } ModuleInfoClass;
-
- enum
- {
- MODIFIED,
- LAST_SIGNAL
- };
- static guint module_info_signals[LAST_SIGNAL];
-
-
- static void
- module_info_destroy (GtkObject *object)
- {
- ModuleInfo *mod = MODULE_INFO (object);
-
- /* if this trips, then we're onto some serious lossage in a moment */
- g_return_if_fail (mod->refs == 0);
-
- if (mod->last_module_error)
- g_free (mod->last_module_error);
- g_free (mod->fullpath);
- }
-
- static void
- module_info_class_init (ModuleInfoClass *klass)
- {
- GtkObjectClass *object_class;
- GtkType type;
-
- object_class = GTK_OBJECT_CLASS (klass);
-
- type = object_class->type;
-
- object_class->destroy = module_info_destroy;
-
- module_info_signals[MODIFIED] =
- gimp_signal_new ("modified", 0, type, 0, gimp_sigtype_void);
-
- gtk_object_class_add_signals (object_class, module_info_signals, LAST_SIGNAL);
- }
-
- static void
- module_info_init (ModuleInfo *mod)
- {
- /* don't need to do anything */
- }
-
- static guint
- module_info_get_type (void)
- {
- static guint module_info_type = 0;
-
- if (!module_info_type)
- {
- static const GtkTypeInfo module_info_info =
- {
- "ModuleInfo",
- sizeof (ModuleInfo),
- sizeof (ModuleInfoClass),
- (GtkClassInitFunc) module_info_class_init,
- (GtkObjectInitFunc) module_info_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- module_info_type =
- gtk_type_unique (gtk_object_get_type (), &module_info_info);
- }
-
- return module_info_type;
- }
-
- /* exported API: */
-
- static void
- module_info_modified (ModuleInfo *mod)
- {
- gtk_signal_emit (GTK_OBJECT (mod), module_info_signals[MODIFIED]);
- }
-
- static ModuleInfo *
- module_info_new (void)
- {
- return MODULE_INFO (gtk_type_new (module_info_get_type ()));
- }
-
- static void
- module_info_free (ModuleInfo *mod)
- {
- gtk_object_unref (GTK_OBJECT (mod));
- }
-
-
- /**************************************************************/
- /* helper functions */
-
-
- /* name must be of the form lib*.so (Unix) or *.dll (Win32) */
- static gboolean
- valid_module_name (const gchar *filename)
- {
- const gchar *basename;
- gint len;
-
- basename = g_basename (filename);
-
- len = strlen (basename);
-
- #if !defined(G_OS_WIN32) && !defined(G_WITH_CYGWIN) && !defined(__EMX__)
- if (len < 3 + 1 + 3)
- return FALSE;
-
- if (strncmp (basename, "lib", 3))
- return FALSE;
-
- if (strcmp (basename + len - 3, ".so"))
- return FALSE;
- #else
- if (len < 1 + 4)
- return FALSE;
-
- if (g_strcasecmp (basename + len - 4, ".dll"))
- return FALSE;
- #endif
-
- return TRUE;
- }
-
-
- static gboolean
- module_inhibited (const gchar *fullpath,
- const gchar *inhibit_list)
- {
- gchar *p;
- gint pathlen;
- const gchar *start;
- const gchar *end;
-
- /* common case optimisation: the list is empty */
- if (!inhibit_list || *inhibit_list == '\000')
- return FALSE;
-
- p = strstr (inhibit_list, fullpath);
- if (!p)
- return FALSE;
-
- /* we have a substring, but check for colons either side */
- start = p;
- while (start != inhibit_list && *start != G_SEARCHPATH_SEPARATOR)
- start--;
- if (*start == G_SEARCHPATH_SEPARATOR)
- start++;
-
- end = strchr (p, G_SEARCHPATH_SEPARATOR);
- if (!end)
- end = inhibit_list + strlen (inhibit_list);
-
- pathlen = strlen (fullpath);
- if ((end - start) == pathlen)
- return TRUE;
- else
- return FALSE;
- }
-
-
- static void
- module_initialize (gchar *filename)
- {
- ModuleInfo *mod;
-
- if (!valid_module_name (filename))
- return;
-
- /* don't load if we already know about it */
- if (module_find_by_path (filename))
- return;
-
- mod = module_info_new ();
-
- mod->fullpath = g_strdup (filename);
- mod->ondisk = TRUE;
- mod->state = ST_MODULE_ERROR;
-
- mod->info = NULL;
- mod->module = NULL;
- mod->last_module_error = NULL;
- mod->init = NULL;
- mod->unload = NULL;
-
- /* Count of times main gimp is within the module. Normally, this
- * will be 1, and we assume that the module won't call its
- * unload callback until it is satisfied that it's not in use any
- * more. refs can be 2 temporarily while we're running the module's
- * unload function, to stop the module attempting to unload
- * itself. */
- mod->refs = 0;
-
- mod->load_inhibit = module_inhibited (mod->fullpath, module_db_load_inhibit);
- if (!mod->load_inhibit)
- {
- if (be_verbose)
- g_print (_("load module: \"%s\"\n"), filename);
-
- mod_load (mod, TRUE);
- }
- else
- {
- if (be_verbose)
- g_print (_("skipping module: \"%s\"\n"), filename);
-
- mod->state = ST_UNLOADED_OK;
- }
-
- gimp_set_add (modules, mod);
- }
-
- static void
- mod_load (ModuleInfo *mod,
- gboolean verbose)
- {
- gpointer symbol;
-
- g_return_if_fail (mod->module == NULL);
-
- mod->module = g_module_open (mod->fullpath, G_MODULE_BIND_LAZY);
- if (!mod->module)
- {
- mod->state = ST_MODULE_ERROR;
-
- if (mod->last_module_error)
- g_free (mod->last_module_error);
- mod->last_module_error = g_strdup (g_module_error ());
-
- if (verbose)
- g_warning (_("module load error: %s: %s"),
- mod->fullpath, mod->last_module_error);
- return;
- }
-
- #ifdef __EMX__
- if (g_module_symbol (mod->module, "gimp_main_funcs", &symbol))
- {
- *(struct main_funcs_struc **)symbol = gimp_main_funcs;
- }
- #endif
- /* find the module_init symbol */
- if (!g_module_symbol (mod->module, "module_init", &symbol))
- {
- mod->state = ST_MODULE_ERROR;
-
- if (mod->last_module_error)
- g_free (mod->last_module_error);
- mod->last_module_error = g_strdup ("missing module_init() symbol");
-
- if (verbose)
- g_warning ("%s: module_init() symbol not found", mod->fullpath);
-
- g_module_close (mod->module);
- mod->module = NULL;
- mod->info = NULL;
- return;
- }
-
- /* run module's initialisation */
- mod->init = symbol;
- mod->info = NULL;
- gimp_module_ref (mod); /* loaded modules are assumed to have a ref of 1 */
- if (mod->init (&mod->info) == GIMP_MODULE_UNLOAD)
- {
- mod->state = ST_LOAD_FAILED;
- gimp_module_unref (mod);
- mod->info = NULL;
- return;
- }
-
- /* module is now happy */
- mod->state = ST_LOADED_OK;
- TRC (("loaded module %s, state at %p\n", mod->fullpath, mod));
-
- /* do we have an unload function? */
- if (g_module_symbol (mod->module, "module_unload", &symbol))
- mod->unload = symbol;
- else
- mod->unload = NULL;
- }
-
-
- static void
- mod_unload_completed_callback (void *data)
- {
- ModuleInfo *mod = data;
-
- g_return_if_fail (mod->state == ST_UNLOAD_REQUESTED);
-
- /* lose the ref we gave this module when we loaded it,
- * since the module's now happy to be unloaded. */
- gimp_module_unref (mod);
- mod->info = NULL;
-
- mod->state = ST_UNLOADED_OK;
-
- TRC (("module unload completed callback for %p\n", mod));
-
- module_info_modified (mod);
- }
-
- static void
- mod_unload (ModuleInfo *mod,
- gboolean verbose)
- {
- g_return_if_fail (mod->module != NULL);
- g_return_if_fail (mod->unload != NULL);
-
- if (mod->state == ST_UNLOAD_REQUESTED)
- return;
-
- mod->state = ST_UNLOAD_REQUESTED;
-
- TRC (("module unload requested for %p\n", mod));
-
- /* Send the unload request. Need to ref the module so we don't
- * accidentally unload it while this call is in progress (eg if the
- * callback is called before the unload function returns). */
- gimp_module_ref (mod);
- mod->unload (mod->info->shutdown_data, mod_unload_completed_callback, mod);
-
- gtk_idle_add ((GtkFunction) mod_idle_unref, (gpointer) mod);
- }
-
- static gboolean
- mod_idle_unref (ModuleInfo *mod)
- {
- gimp_module_unref (mod);
-
- return FALSE;
- }
-
- #ifdef DUMP_DB
- static void
- print_module_info (gpointer data,
- gpointer user_data)
- {
- ModuleInfo *i = data;
-
- g_print ("\n%s: %s\n",
- i->fullpath, statename[i->state]);
- g_print (" module:%p lasterr:%s init:%p unload:%p\n",
- i->module, i->last_module_error? i->last_module_error : "NONE",
- i->init, i->unload);
- if (i->info)
- {
- g_print (" shutdown_data: %p\n"
- " purpose: %s\n"
- " author: %s\n"
- " version: %s\n"
- " copyright: %s\n"
- " date: %s\n",
- i->info->shutdown_data,
- i->info->purpose, i->info->author, i->info->version,
- i->info->copyright, i->info->date);
- }
- }
- #endif
-
-
-
- /**************************************************************/
- /* UI functions */
-
- static void
- browser_popdown_callback (GtkWidget *widget,
- gpointer data)
- {
- gtk_widget_destroy (GTK_WIDGET (data));
- }
-
- static void
- browser_destroy_callback (GtkWidget *widget,
- gpointer data)
- {
- gtk_signal_disconnect_by_data (GTK_OBJECT (modules), data);
- gimp_set_remove_handler (modules, modules_handler);
- g_free (data);
- }
-
- static void
- browser_load_inhibit_callback (GtkWidget *widget,
- gpointer data)
- {
- BrowserState *st = data;
- gboolean new_value;
-
- g_return_if_fail (st->last_update != NULL);
-
- new_value = ! GTK_TOGGLE_BUTTON (widget)->active;
-
- if (new_value == st->last_update->load_inhibit)
- return;
-
- st->last_update->load_inhibit = new_value;
- module_info_modified (st->last_update);
-
- need_to_rewrite_modulerc = TRUE;
- }
-
- static void
- browser_info_update (ModuleInfo *mod,
- BrowserState *st)
- {
- gint i;
- const gchar *text[NUM_INFO_LINES - 1];
- gchar *status;
-
- /* only update the info if we're actually showing it */
- if (mod != st->last_update)
- return;
-
- if (!mod)
- {
- for (i=0; i < NUM_INFO_LINES; i++)
- gtk_label_set_text (GTK_LABEL (st->label[i]), "");
- gtk_label_set_text (GTK_LABEL(st->button_label), _("<No modules>"));
- gtk_widget_set_sensitive (GTK_WIDGET (st->button), FALSE);
- gtk_widget_set_sensitive (GTK_WIDGET (st->load_inhibit_check), FALSE);
- return;
- }
-
- if (mod->info)
- {
- text[0] = mod->info->purpose;
- text[1] = mod->info->author;
- text[2] = mod->info->version;
- text[3] = mod->info->copyright;
- text[4] = mod->info->date;
- text[5] = mod->ondisk? _("on disk") : _("only in memory");
- }
- else
- {
- text[0] = "--";
- text[1] = "--";
- text[2] = "--";
- text[3] = "--";
- text[4] = "--";
- text[5] = mod->ondisk? _("on disk") : _("nowhere (click 'refresh')");
- }
-
- if (mod->state == ST_MODULE_ERROR && mod->last_module_error)
- status = g_strdup_printf ("%s (%s)", gettext (statename[mod->state]),
- mod->last_module_error);
- else
- {
- status = g_strdup (gettext (statename[mod->state]));
- }
-
- for (i=0; i < NUM_INFO_LINES - 1; i++)
- {
- gtk_label_set_text (GTK_LABEL (st->label[i]), gettext (text[i]));
- }
-
- gtk_label_set_text (GTK_LABEL (st->label[NUM_INFO_LINES-1]), status);
-
- g_free (status);
-
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (st->load_inhibit_check),
- !mod->load_inhibit);
- gtk_widget_set_sensitive (GTK_WIDGET (st->load_inhibit_check), TRUE);
-
- /* work out what the button should do (if anything) */
- switch (mod->state)
- {
- case ST_MODULE_ERROR:
- case ST_LOAD_FAILED:
- case ST_UNLOADED_OK:
- gtk_label_set_text (GTK_LABEL(st->button_label), _("Load"));
- gtk_widget_set_sensitive (GTK_WIDGET (st->button), mod->ondisk);
- break;
-
- case ST_UNLOAD_REQUESTED:
- gtk_widget_set_sensitive (GTK_WIDGET (st->button), FALSE);
- break;
-
- case ST_LOADED_OK:
- gtk_label_set_text (GTK_LABEL(st->button_label), _("Unload"));
- gtk_widget_set_sensitive (GTK_WIDGET (st->button),
- mod->unload? TRUE : FALSE);
- break;
- }
- }
-
- static void
- browser_info_init (BrowserState *st,
- GtkWidget *table)
- {
- GtkWidget *label;
- gint i;
-
- gchar *text[] =
- {
- N_("Purpose:"),
- N_("Author:"),
- N_("Version:"),
- N_("Copyright:"),
- N_("Date:"),
- N_("Location:"),
- N_("State:")
- };
-
- for (i=0; i < sizeof(text) / sizeof(char *); i++)
- {
- label = gtk_label_new (gettext (text[i]));
- gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
- gtk_table_attach (GTK_TABLE (table), label, 0, 1, i, i+1,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 2);
- gtk_widget_show (label);
-
- st->label[i] = gtk_label_new ("");
- gtk_misc_set_alignment (GTK_MISC (st->label[i]), 0.0, 0.5);
- gtk_table_attach (GTK_TABLE (st->table), st->label[i], 1, 2, i, i+1,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 2);
- gtk_widget_show (st->label[i]);
- }
-
- st->load_inhibit_check =
- gtk_check_button_new_with_label (_("Autoload during startup"));
- gtk_widget_show (st->load_inhibit_check);
- gtk_table_attach (GTK_TABLE (table), st->load_inhibit_check,
- 0, 2, i, i+1,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 2);
- gtk_signal_connect (GTK_OBJECT (st->load_inhibit_check), "toggled",
- browser_load_inhibit_callback, st);
- }
-
- static void
- browser_select_callback (GtkWidget *widget,
- GtkWidget *child)
- {
- ModuleInfo *i;
- BrowserState *st;
-
- i = gtk_object_get_user_data (GTK_OBJECT (child));
- st = gtk_object_get_user_data (GTK_OBJECT (widget));
-
- if (st->last_update == i)
- return;
-
- st->last_update = i;
-
- browser_info_update (st->last_update, st);
- }
-
-
- static void
- browser_load_unload_callback (GtkWidget *widget,
- gpointer data)
- {
- BrowserState *st = data;
-
- if (st->last_update->state == ST_LOADED_OK)
- mod_unload (st->last_update, FALSE);
- else
- mod_load (st->last_update, FALSE);
-
- module_info_modified (st->last_update);
- }
-
-
- static void
- make_list_item (gpointer data,
- gpointer user_data)
- {
- ModuleInfo *info = data;
- BrowserState *st = user_data;
- GtkWidget *list_item;
-
- if (!st->last_update)
- st->last_update = info;
-
- list_item = gtk_list_item_new_with_label (info->fullpath);
-
- gtk_widget_show (list_item);
- gtk_object_set_user_data (GTK_OBJECT (list_item), info);
-
- gtk_container_add (GTK_CONTAINER (st->list), list_item);
- }
-
-
- static void
- browser_info_add (GimpSet *set,
- ModuleInfo *mod,
- BrowserState *st)
- {
- make_list_item (mod, st);
- }
-
-
- static void
- browser_info_remove (GimpSet *set,
- ModuleInfo *mod,
- BrowserState *st)
- {
- GList *dlist, *free_list;
- GtkWidget *list_item;
- ModuleInfo *i;
-
- dlist = gtk_container_children (GTK_CONTAINER (st->list));
- free_list = dlist;
-
- while (dlist)
- {
- list_item = dlist->data;
-
- i = gtk_object_get_user_data (GTK_OBJECT (list_item));
- g_return_if_fail (i != NULL);
-
- if (i == mod)
- {
- gtk_container_remove (GTK_CONTAINER (st->list), list_item);
- g_list_free(free_list);
- return;
- }
-
- dlist = dlist->next;
- }
-
- g_warning ("tried to remove module that wasn't in brower's list");
- g_list_free(free_list);
- }
-
-
-
- static void
- module_db_module_ondisk (gpointer data,
- gpointer user_data)
- {
- ModuleInfo *mod = data;
- struct stat statbuf;
- gint ret;
- gint old_ondisk = mod->ondisk;
- GSList **kill_list = user_data;
-
- ret = stat (mod->fullpath, &statbuf);
- if (ret != 0)
- mod->ondisk = FALSE;
- else
- mod->ondisk = TRUE;
-
- /* if it's not on the disk, and it isn't in memory, mark it to be
- * removed later. */
- if (!mod->ondisk && !mod->module)
- {
- *kill_list = g_slist_append (*kill_list, mod);
- mod = NULL;
- }
-
- if (mod && mod->ondisk != old_ondisk)
- module_info_modified (mod);
- }
-
-
- static void
- module_db_module_remove (gpointer data,
- gpointer user_data)
- {
- ModuleInfo *mod = data;
-
- gimp_set_remove (modules, mod);
-
- module_info_free (mod);
- }
-
-
-
- typedef struct
- {
- const gchar *search_key;
- ModuleInfo *found;
- } find_by_path_closure;
-
- static void
- module_db_path_cmp (gpointer data,
- gpointer user_data)
- {
- ModuleInfo *mod = data;
- find_by_path_closure *cl = user_data;
-
- if (!strcmp (mod->fullpath, cl->search_key))
- cl->found = mod;
- }
-
- static ModuleInfo *
- module_find_by_path (const char *fullpath)
- {
- find_by_path_closure cl;
-
- cl.found = NULL;
- cl.search_key = fullpath;
-
- gimp_set_foreach (modules, module_db_path_cmp, &cl);
-
- return cl.found;
- }
-
-
-
- static void
- browser_refresh_callback (GtkWidget *widget,
- gpointer data)
- {
- GSList *kill_list = NULL;
-
- /* remove modules we don't have on disk anymore */
- gimp_set_foreach (modules, module_db_module_ondisk, &kill_list);
- g_slist_foreach (kill_list, module_db_module_remove, NULL);
- g_slist_free (kill_list);
- kill_list = NULL;
-
- /* walk filesystem and add new things we find */
- datafiles_read_directories (module_path,
- module_initialize, 0 /* no flags */);
- }
-
-
- static void
- gimp_module_ref (ModuleInfo *mod)
- {
- g_return_if_fail (mod->refs >= 0);
- g_return_if_fail (mod->module != NULL);
- mod->refs++;
- }
-
- static void
- gimp_module_unref (ModuleInfo *mod)
- {
- g_return_if_fail (mod->refs > 0);
- g_return_if_fail (mod->module != NULL);
-
- mod->refs--;
-
- if (mod->refs == 0)
- {
- TRC (("module %p refs hit 0, g_module_closing it\n", mod));
- g_module_close (mod->module);
- mod->module = NULL;
- }
- }
-
- /* End of module_db.c */
-