/* The GIMP -- an image manipulation program * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * gimphelp.c * Copyright (C) 1999-2000 Michael Natterer * * 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 #endif #ifdef HAVE_STRING_H #include #endif #include #include "gimphelp.h" #include "gimprc.h" #include "gimpui.h" #include "plug_in.h" #include "procedural_db.h" #include "libgimp/gimpenv.h" #include "libgimp/gimpintl.h" #ifndef G_OS_WIN32 #define DEBUG_HELP #endif typedef struct _GimpIdleHelp GimpIdleHelp; struct _GimpIdleHelp { gchar *help_path; gchar *help_data; }; /* local function prototypes */ static gint gimp_idle_help (gpointer data); static gboolean gimp_help_internal (const gchar *help_path, const gchar *current_locale, const gchar *help_data); static void gimp_help_netscape (const gchar *help_path, const gchar *current_locale, const gchar *help_data); /**********************/ /* public functions */ /**********************/ /* The standard help function */ void gimp_standard_help_func (const gchar *help_data) { gimp_help (NULL, help_data); } /* the main help function */ void gimp_help (const gchar *help_path, const gchar *help_data) { if (use_help) { GimpIdleHelp *idle_help; idle_help = g_new0 (GimpIdleHelp, 1); if (help_path && strlen (help_path)) idle_help->help_path = g_strdup (help_path); if (help_data && strlen (help_data)) idle_help->help_data = g_strdup (help_data); gtk_idle_add ((GtkFunction) gimp_idle_help, (gpointer) idle_help); } } /*********************/ /* local functions */ /*********************/ static gint gimp_idle_help (gpointer data) { GimpIdleHelp *idle_help; static gchar *current_locale = "C"; idle_help = (GimpIdleHelp *) data; if (idle_help->help_data == NULL && help_browser != HELP_BROWSER_GIMP) idle_help->help_data = g_strdup ("welcome.html"); #ifdef DEBUG_HELP if (idle_help->help_path) g_print ("Help Path: %s\n", idle_help->help_path); else g_print ("Help Path: NULL\n"); if (idle_help->help_data) g_print ("Help Page: %s\n", idle_help->help_data); else g_print ("Help Page: NULL\n"); g_print ("\n"); #endif /* DEBUG_HELP */ switch (help_browser) { case HELP_BROWSER_GIMP: if (gimp_help_internal (idle_help->help_path, current_locale, idle_help->help_data)) break; case HELP_BROWSER_NETSCAPE: gimp_help_netscape (idle_help->help_path, current_locale, idle_help->help_data); break; default: break; } if (idle_help->help_path) g_free (idle_help->help_path); if (idle_help->help_data) g_free (idle_help->help_data); g_free (idle_help); return FALSE; } static void gimp_help_internal_not_found_callback (GtkWidget *widget, gboolean use_netscape, gpointer data) { GList *update = NULL; GList *remove = NULL; if (use_netscape) { help_browser = HELP_BROWSER_NETSCAPE; update = g_list_append (update, "help-browser"); save_gimprc (&update, &remove); } gtk_main_quit (); } static gboolean gimp_help_internal (const gchar *help_path, const gchar *current_locale, const gchar *help_data) { ProcRecord *proc_rec; /* Check if a help browser is already running */ proc_rec = procedural_db_lookup ("extension_gimp_help_browser_temp"); if (proc_rec == NULL) { Argument *args = NULL; proc_rec = procedural_db_lookup ("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"), _("Cancel"), NULL, NULL, gimp_help_internal_not_found_callback, NULL); gtk_widget_show (not_found); gtk_main (); return (help_browser != HELP_BROWSER_NETSCAPE); } args = g_new (Argument, 4); args[0].arg_type = PDB_INT32; args[0].value.pdb_int = RUN_INTERACTIVE; args[1].arg_type = PDB_STRING; args[1].value.pdb_pointer = (gpointer) help_path; args[2].arg_type = PDB_STRING; args[2].value.pdb_pointer = (gpointer) current_locale; args[3].arg_type = PDB_STRING; args[3].value.pdb_pointer = (gpointer) help_data; plug_in_run (proc_rec, args, 4, FALSE, TRUE, 0); g_free (args); } else { Argument *return_vals; gint nreturn_vals; return_vals = procedural_db_run_proc ("extension_gimp_help_browser_temp", &nreturn_vals, PDB_STRING, help_path, PDB_STRING, current_locale, PDB_STRING, help_data, PDB_END); procedural_db_destroy_args (return_vals, nreturn_vals); } return TRUE; } static void gimp_help_netscape (const gchar *help_path, const gchar *current_locale, const gchar *help_data) { Argument *return_vals; gint nreturn_vals; gchar *url; if (help_data[0] == '/') /* _not_ g_path_is_absolute() */ { url = g_strconcat ("file:", help_data, NULL); } else { if (!help_path) { url = g_strconcat ("file:", gimp_data_directory (), "/help/", current_locale, "/", help_data, NULL); } else { url = g_strconcat ("file:", help_path, "/", current_locale, "/", help_data, NULL); } } return_vals = procedural_db_run_proc ("extension_web_browser", &nreturn_vals, PDB_INT32, RUN_NONINTERACTIVE, PDB_STRING, url, PDB_INT32, FALSE, PDB_END); procedural_db_destroy_args (return_vals, nreturn_vals); g_free (url); }