mirror of https://github.com/GNOME/gimp.git
291 lines
6.7 KiB
C
291 lines
6.7 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimphelp.c
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* Copyright (C) 1999-2000 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#include "sys/types.h"
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#include <gtk/gtk.h>
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#include "libgimpwidgets/gimpwidgets.h"
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#include "libgimp/gimpenv.h"
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#include "core/core-types.h"
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#include "gimphelp.h"
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#include "gimprc.h"
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#include "gimpui.h"
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#include "plug_in.h"
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#include "libgimp/gimpintl.h"
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#ifndef G_OS_WIN32
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#define DEBUG_HELP
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#endif
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typedef struct _GimpIdleHelp GimpIdleHelp;
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struct _GimpIdleHelp
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{
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gchar *help_path;
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gchar *help_data;
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};
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/* local function prototypes */
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static gint gimp_idle_help (gpointer data);
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static gboolean gimp_help_internal (const gchar *help_path,
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const gchar *current_locale,
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const gchar *help_data);
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static void gimp_help_netscape (const gchar *help_path,
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const gchar *current_locale,
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const gchar *help_data);
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/**********************/
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/* public functions */
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/**********************/
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/* The standard help function */
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void
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gimp_standard_help_func (const gchar *help_data)
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{
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gimp_help (NULL, help_data);
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}
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/* the main help function */
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void
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gimp_help (const gchar *help_path,
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const gchar *help_data)
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{
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if (use_help)
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{
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GimpIdleHelp *idle_help;
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idle_help = g_new0 (GimpIdleHelp, 1);
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if (help_path && strlen (help_path))
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idle_help->help_path = g_strdup (help_path);
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if (help_data && strlen (help_data))
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idle_help->help_data = g_strdup (help_data);
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gtk_idle_add ((GtkFunction) gimp_idle_help, (gpointer) idle_help);
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}
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}
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/*********************/
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/* local functions */
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/*********************/
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static gint
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gimp_idle_help (gpointer data)
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{
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GimpIdleHelp *idle_help;
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static gchar *current_locale = "C";
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idle_help = (GimpIdleHelp *) data;
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if (idle_help->help_data == NULL && help_browser != HELP_BROWSER_GIMP)
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idle_help->help_data = g_strdup ("introduction.html");
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#ifdef DEBUG_HELP
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if (idle_help->help_path)
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g_print ("Help Path: %s\n", idle_help->help_path);
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else
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g_print ("Help Path: NULL\n");
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if (idle_help->help_data)
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g_print ("Help Page: %s\n", idle_help->help_data);
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else
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g_print ("Help Page: NULL\n");
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g_print ("\n");
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#endif /* DEBUG_HELP */
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switch (help_browser)
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{
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case HELP_BROWSER_GIMP:
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if (gimp_help_internal (idle_help->help_path,
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current_locale,
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idle_help->help_data))
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break;
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case HELP_BROWSER_NETSCAPE:
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gimp_help_netscape (idle_help->help_path,
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current_locale,
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idle_help->help_data);
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break;
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default:
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break;
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}
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if (idle_help->help_path)
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g_free (idle_help->help_path);
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if (idle_help->help_data)
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g_free (idle_help->help_data);
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g_free (idle_help);
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return FALSE;
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}
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static void
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gimp_help_internal_not_found_callback (GtkWidget *widget,
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gboolean use_netscape,
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gpointer data)
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{
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GList *update = NULL;
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GList *remove = NULL;
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if (use_netscape)
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{
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help_browser = HELP_BROWSER_NETSCAPE;
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update = g_list_append (update, "help-browser");
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save_gimprc (&update, &remove);
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}
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gtk_main_quit ();
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}
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static gboolean
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gimp_help_internal (const gchar *help_path,
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const gchar *current_locale,
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const gchar *help_data)
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{
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ProcRecord *proc_rec;
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/* Check if a help browser is already running */
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proc_rec = procedural_db_lookup ("extension_gimp_help_browser_temp");
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if (proc_rec == NULL)
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{
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Argument *args = NULL;
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proc_rec = procedural_db_lookup ("extension_gimp_help_browser");
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if (proc_rec == NULL)
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{
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GtkWidget *not_found =
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gimp_query_boolean_box (_("Could not find GIMP Help Browser"),
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NULL, NULL, FALSE,
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_("Could not find the GIMP Help Browser procedure.\n"
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"It probably was not compiled because\n"
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"you don't have GtkXmHTML installed."),
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_("Use Netscape instead"),
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_("Cancel"),
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NULL, NULL,
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gimp_help_internal_not_found_callback,
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NULL);
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gtk_widget_show (not_found);
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gtk_main ();
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return (help_browser != HELP_BROWSER_NETSCAPE);
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}
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args = g_new (Argument, 4);
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args[0].arg_type = PDB_INT32;
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args[0].value.pdb_int = RUN_INTERACTIVE;
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args[1].arg_type = PDB_STRING;
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args[1].value.pdb_pointer = (gpointer) help_path;
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args[2].arg_type = PDB_STRING;
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args[2].value.pdb_pointer = (gpointer) current_locale;
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args[3].arg_type = PDB_STRING;
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args[3].value.pdb_pointer = (gpointer) help_data;
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plug_in_run (proc_rec, args, 4, FALSE, TRUE, 0);
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g_free (args);
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}
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else
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{
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Argument *return_vals;
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gint nreturn_vals;
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return_vals =
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procedural_db_run_proc ("extension_gimp_help_browser_temp",
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&nreturn_vals,
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PDB_STRING, help_path,
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PDB_STRING, current_locale,
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PDB_STRING, help_data,
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PDB_END);
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procedural_db_destroy_args (return_vals, nreturn_vals);
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}
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return TRUE;
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}
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static void
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gimp_help_netscape (const gchar *help_path,
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const gchar *current_locale,
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const gchar *help_data)
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{
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Argument *return_vals;
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gint nreturn_vals;
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gchar *url;
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if (help_data[0] == '/') /* _not_ g_path_is_absolute() */
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{
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url = g_strconcat ("file:",
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help_data,
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NULL);
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}
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else
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{
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if (!help_path)
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{
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url = g_strconcat ("file:",
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gimp_data_directory (),
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"/help/",
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current_locale, "/",
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help_data,
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NULL);
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}
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else
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{
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url = g_strconcat ("file:",
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help_path, "/",
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current_locale, "/",
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help_data,
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NULL);
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}
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}
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return_vals =
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procedural_db_run_proc ("extension_web_browser",
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&nreturn_vals,
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PDB_INT32, RUN_NONINTERACTIVE,
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PDB_STRING, url,
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PDB_INT32, FALSE,
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PDB_END);
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procedural_db_destroy_args (return_vals, nreturn_vals);
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g_free (url);
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}
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