graphics/gimp
graphics/gimp
1
0
Fork 0
mirror of https://gitlab.gnome.org/GNOME/gimp synced 2024-10-23 04:51:44 +00:00
Code Issues Packages Projects Releases Wiki Activity
gimp/app/dialogs/module-dialog.c
Sven Neumann 018da66275 tiny nit-picky changes to some plugins and a lot of changes in the 
german translation. Hopefully the translation is now good enough
that it won't ihave to change much anymore, since the new
"Gimp kurz und gut" reference for 1.2 will go into print soon...


--Sven
2000-04-02 22:30:28 +00:00

1101 lines
26 KiB
C
Raw Blame History

/* 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 "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 */
char *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 char * 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();
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 },
{ 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;
} module_info;
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, module_info)
#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;
module_info *last_update;
GtkWidget *button;
GtkWidget *list;
GtkWidget *load_inhibit_check;
} browser_st;
/* 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 (char *filename);
static void mod_load (module_info *mod, gboolean verbose);
static void mod_unload (module_info *mod, gboolean verbose);
static module_info *module_find_by_path (const char *fullpath);
#ifdef DUMP_DB
static void print_module_info (gpointer data, gpointer user_data);
#endif
static void browser_popdown_callback (GtkWidget *w, gpointer client_data);
static void browser_destroy_callback (GtkWidget *w, gpointer client_data);
static void browser_info_update (module_info *, browser_st *);
static void browser_info_add (GimpSet *, module_info *, browser_st *);
static void browser_info_remove (GimpSet *, module_info *, browser_st *);
static void browser_info_init (browser_st *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 (module_info *mod);
static void gimp_module_unref (module_info *mod);
/**************************************************************/
/* Exported functions */
void
module_db_init (void)
{
char *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)
{
module_info *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)
{
module_info *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;
char *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;
browser_st *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 (browser_st, 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;
}
/**************************************************************/
/* module_info object glue */
typedef struct {
GtkObjectClass parent_class;
} module_infoClass;
enum {
MODIFIED,
LAST_SIGNAL
};
static guint module_info_signals[LAST_SIGNAL];
static void
module_info_destroy (GtkObject *object)
{
module_info *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 (module_infoClass *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 (module_info *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 =
{
"module_info",
sizeof (module_info),
sizeof (module_infoClass),
(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 (module_info *mod)
{
gtk_signal_emit (GTK_OBJECT (mod), module_info_signals[MODIFIED]);
}
static module_info *
module_info_new (void)
{
return MODULE_INFO (gtk_type_new (module_info_get_type ()));
}
static void
module_info_free (module_info *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 char *filename)
{
const char *basename;
int 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 char *fullpath,
const char *inhibit_list)
{
char *p;
int pathlen;
const char *start, *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 (char *filename)
{
module_info *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 == TRUE) || (no_splash == TRUE))
g_print (_("load module: \"%s\"\n"), filename);
mod_load (mod, TRUE);
}
else
{
if ((be_verbose == TRUE) || (no_splash == TRUE))
g_print (_("skipping module: \"%s\"\n"), filename);
mod->state = ST_UNLOADED_OK;
}
gimp_set_add (modules, mod);
}
static void
mod_load (module_info *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)
{
module_info *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 (module_info *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);
gimp_module_unref (mod);
}
#ifdef DUMP_DB
static void
print_module_info (gpointer data,
gpointer user_data)
{
module_info *i = data;
printf ("\n%s: %s\n",
i->fullpath, statename[i->state]);
printf (" 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)
{
printf (" 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 *w,
gpointer client_data)
{
gtk_widget_destroy (GTK_WIDGET (client_data));
}
static void
browser_destroy_callback (GtkWidget *w,
gpointer client_data)
{
gtk_signal_disconnect_by_data (GTK_OBJECT (modules), client_data);
gimp_set_remove_handler (modules, modules_handler);
g_free (client_data);
}
static void
browser_load_inhibit_callback (GtkWidget *w,
gpointer data)
{
browser_st *st = data;
gboolean new_value;
g_return_if_fail (st->last_update != NULL);
new_value = ! GTK_TOGGLE_BUTTON (w)->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 (module_info *mod,
browser_st *st)
{
int i;
const char *text[NUM_INFO_LINES - 1];
char *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 (browser_st *st,
GtkWidget *table)
{
GtkWidget *label;
int i;
char *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)
{
module_info *i;
browser_st *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)
{
browser_st *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)
{
module_info *info = data;
browser_st *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,
module_info *mod,
browser_st *st)
{
make_list_item (mod, st);
}
static void
browser_info_remove (GimpSet *set,
module_info *mod,
browser_st *st)
{
GList *dlist, *free_list;
GtkWidget *list_item;
module_info *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)
{
module_info *mod = data;
struct stat statbuf;
int ret;
int 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)
{
module_info *mod = data;
gimp_set_remove (modules, mod);
module_info_free (mod);
}
typedef struct {
const char *search_key;
module_info *found;
} find_by_path_closure;
static void
module_db_path_cmp (gpointer data,
gpointer user_data)
{
module_info *mod = data;
find_by_path_closure *cl = user_data;
if (!strcmp (mod->fullpath, cl->search_key))
cl->found = mod;
}
static module_info *
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 (module_info *mod)
{
g_return_if_fail (mod->refs >= 0);
g_return_if_fail (mod->module != NULL);
mod->refs++;
}
static void
gimp_module_unref (module_info *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 */
Reference in a new issue View git blame Copy permalink