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gimp/app/widgets/gimphelp.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimphelp.c
* Copyright (C) 1999-2000 Michael Natterer <mitch@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"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include "sys/types.h"
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "config/gimpguiconfig.h"
#include "core/gimp.h"
#include "pdb/procedural_db.h"
#include "plug-in/plug-ins.h"
#include "plug-in/plug-in-run.h"
#include "gimphelp.h"
#include "gimphelp-ids.h"
#include "gimp-intl.h"
#ifndef G_OS_WIN32
#define DEBUG_HELP
#endif
typedef struct _GimpIdleHelp GimpIdleHelp;
struct _GimpIdleHelp
{
Gimp *gimp;
gchar *help_domain;
gchar *help_locale;
gchar *help_id;
};
/* local function prototypes */
static gint gimp_idle_help (gpointer data);
static gboolean gimp_help_internal (Gimp *gimp,
const gchar *help_domain,
const gchar *help_locale,
const gchar *help_id);
static void gimp_help_netscape (Gimp *gimp,
const gchar *help_domain,
const gchar *help_locale,
const gchar *help_id);
/* public functions */
void
gimp_help (Gimp *gimp,
const gchar *help_domain,
const gchar *help_id)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
if (GIMP_GUI_CONFIG (gimp->config)->use_help)
{
GimpIdleHelp *idle_help;
idle_help = g_new0 (GimpIdleHelp, 1);
idle_help->gimp = gimp;
if (help_domain && strlen (help_domain))
idle_help->help_domain = g_strdup (help_domain);
idle_help->help_locale = g_strdup ("C");
if (help_id && strlen (help_id))
idle_help->help_id = g_strdup (help_id);
g_idle_add (gimp_idle_help, idle_help);
}
}
/* private functions */
static gboolean
gimp_idle_help (gpointer data)
{
GimpIdleHelp *idle_help;
GimpHelpBrowserType browser;
idle_help = (GimpIdleHelp *) data;
browser = GIMP_GUI_CONFIG (idle_help->gimp->config)->help_browser;
#ifdef DEBUG_HELP
if (idle_help->help_domain)
g_print ("Help Domain: %s\n", idle_help->help_domain);
else
g_print ("Help Domain: NULL\n");
if (idle_help->help_id)
g_print ("Help ID: %s\n", idle_help->help_id);
else
g_print ("Help ID: NULL\n");
g_print ("\n");
#endif /* DEBUG_HELP */
switch (browser)
{
case GIMP_HELP_BROWSER_GIMP:
if (gimp_help_internal (idle_help->gimp,
idle_help->help_domain,
idle_help->help_locale,
idle_help->help_id))
break;
case GIMP_HELP_BROWSER_NETSCAPE:
gimp_help_netscape (idle_help->gimp,
idle_help->help_domain,
idle_help->help_locale,
idle_help->help_id);
break;
default:
break;
}
g_free (idle_help->help_domain);
g_free (idle_help->help_locale);
g_free (idle_help->help_id);
g_free (idle_help);
return FALSE;
}
static void
gimp_help_internal_not_found_callback (GtkWidget *widget,
gboolean use_netscape,
gpointer data)
{
Gimp *gimp = GIMP (data);
if (use_netscape)
g_object_set (gimp->config,
"help-browser", GIMP_HELP_BROWSER_NETSCAPE,
NULL);
gtk_main_quit ();
}
static gboolean
gimp_help_internal (Gimp *gimp,
const gchar *help_domain,
const gchar *help_locale,
const gchar *help_id)
{
ProcRecord *proc_rec;
static gboolean busy = FALSE;
if (busy)
return TRUE;
busy = TRUE;
/* Check if a help browser is already running */
proc_rec = procedural_db_lookup (gimp, "extension_gimp_help_browser_temp");
if (proc_rec == NULL)
{
Argument *args = NULL;
gint n_domains = 0;
gchar **help_domains = NULL;
gchar **help_uris = NULL;
proc_rec = procedural_db_lookup (gimp, "extension_gimp_help_browser");
if (proc_rec == NULL)
{
GtkWidget *not_found =
gimp_query_boolean_box (_("Could not find GIMP Help Browser"),
NULL, NULL, FALSE,
_("Could not find the GIMP Help Browser procedure.\n"
"It probably was not compiled because\n"
"you don't have GtkXmHTML installed."),
_("Use Netscape instead"),
GTK_STOCK_CANCEL,
NULL, NULL,
gimp_help_internal_not_found_callback,
gimp);
gtk_widget_show (not_found);
gtk_main ();
busy = FALSE;
return (GIMP_GUI_CONFIG (gimp->config)->help_browser
!= GIMP_HELP_BROWSER_NETSCAPE);
}
n_domains = plug_ins_help_domains (gimp, &help_domains, &help_uris);
args = g_new (Argument, 5);
args[0].arg_type = GIMP_PDB_INT32;
args[0].value.pdb_int = GIMP_RUN_INTERACTIVE;
args[1].arg_type = GIMP_PDB_INT32;
args[1].value.pdb_int = n_domains;
args[2].arg_type = GIMP_PDB_STRINGARRAY;
args[2].value.pdb_pointer = help_domains;
args[3].arg_type = GIMP_PDB_INT32;
args[3].value.pdb_int = n_domains;
args[4].arg_type = GIMP_PDB_STRINGARRAY;
args[4].value.pdb_pointer = help_uris;
plug_in_run (gimp, proc_rec, args, 5, FALSE, TRUE, -1);
procedural_db_destroy_args (args, 5);
}
/* Check if the help browser started properly */
proc_rec = procedural_db_lookup (gimp, "extension_gimp_help_browser_temp");
if (proc_rec == NULL)
{
GtkWidget *not_found =
gimp_query_boolean_box (_("Could not start GIMP Help Browser"),
NULL, NULL, FALSE,
_("Could not start the GIMP Help Browser."),
_("Use Netscape instead"),
GTK_STOCK_CANCEL,
NULL, NULL,
gimp_help_internal_not_found_callback,
gimp);
gtk_widget_show (not_found);
gtk_main ();
busy = FALSE;
return (GIMP_GUI_CONFIG (gimp->config)->help_browser
!= GIMP_HELP_BROWSER_NETSCAPE);
}
else
{
Argument *return_vals;
gint nreturn_vals;
return_vals =
procedural_db_run_proc (gimp,
"extension_gimp_help_browser_temp",
&nreturn_vals,
GIMP_PDB_STRING, help_domain,
GIMP_PDB_STRING, help_locale,
GIMP_PDB_STRING, help_id,
GIMP_PDB_END);
procedural_db_destroy_args (return_vals, nreturn_vals);
}
busy = FALSE;
return TRUE;
}
static void
gimp_help_netscape (Gimp *gimp,
const gchar *help_domain,
const gchar *help_locale,
const gchar *help_id)
{
Argument *return_vals;
gint nreturn_vals;
gchar *url;
if (! help_id)
help_id = GIMP_HELP_MAIN;
if (! help_domain)
{
url = g_strconcat ("file:",
gimp_data_directory (), "/help/",
help_locale, "/",
help_id,
NULL);
}
else
{
url = g_strconcat ("file:",
help_domain, "/",
help_locale, "/",
help_id,
NULL);
}
return_vals =
procedural_db_run_proc (gimp,
"plug_in_web_browser",
&nreturn_vals,
GIMP_PDB_INT32, GIMP_RUN_NONINTERACTIVE,
GIMP_PDB_STRING, url,
GIMP_PDB_INT32, FALSE,
GIMP_PDB_END);
procedural_db_destroy_args (return_vals, nreturn_vals);
g_free (url);
}
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