gimp/app/gimphelp.c

143 lines
3.7 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimphelp.c
* Copyright (C) 1999 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 <gdk/gdkkeysyms.h>
#include <gtk/gtk.h>
#include "gimphelp.h"
#include "gimprc.h"
#include "plug_in.h"
#include "procedural_db.h"
#include "libgimp/gimpintl.h"
/* The standard help function */
void
gimp_standard_help_func (gpointer help_data)
{
gchar *help_page;
help_page = (gchar *) help_data;
gimp_help (help_page);
}
static void
gimp_help_callback (GtkWidget *widget,
gpointer data)
{
GimpHelpFunc help_function;
gpointer help_data;
help_function = (GimpHelpFunc) data;
help_data = gtk_object_get_data (GTK_OBJECT (widget),
"gimp_help_data");
if (help_function && use_help)
(* help_function) (help_data);
}
void
gimp_help_connect_help_accel (GtkWidget *widget,
GimpHelpFunc help_func,
gpointer help_data)
{
GtkAccelGroup *accel_group;
static guint help_signal_id = 0;
if (! help_func)
return;
/* create the help signal if not already done */
if (! help_signal_id)
{
help_signal_id =
gtk_object_class_user_signal_new (GTK_OBJECT (widget)->klass,
"help",
GTK_RUN_LAST,
gtk_signal_default_marshaller,
GTK_TYPE_NONE,
0,
NULL);
}
if (help_data)
{
gtk_object_set_data (GTK_OBJECT (widget), "gimp_help_data",
help_data);
}
gtk_signal_connect (GTK_OBJECT (widget), "help",
GTK_SIGNAL_FUNC (gimp_help_callback),
(gpointer) help_func);
/* a new accelerator group for this widget */
accel_group = gtk_accel_group_new ();
/* FIXME: does not work for some reason...
gtk_widget_add_accelerator (widget, "help", accel_group,
GDK_F1, 0, GTK_ACCEL_LOCKED);
*/
/* ...while using this internal stuff works */
gtk_accel_group_add (accel_group, GDK_F1, 0, 0,
GTK_OBJECT (widget), "help");
gtk_accel_group_attach (accel_group, GTK_OBJECT (widget));
}
/* the main help function */
void
gimp_help (gchar *help_page)
{
ProcRecord *proc_rec;
Argument *return_vals;
gint nreturn_vals;
/* Check if a help browser is already running */
proc_rec = procedural_db_lookup ("extension_gimp_help_browser_temp");
if (proc_rec == NULL)
{
proc_rec = procedural_db_lookup ("extension_gimp_help_browser");
if (proc_rec == NULL)
{
g_message (_("Could not find the GIMP Help Browser procedure.\n"
"It probably was not compiled because\n"
"you don't have GtkXmHTML installed."));
return;
}
return_vals =
procedural_db_run_proc ("extension_gimp_help_browser",
&nreturn_vals,
PDB_INT32, RUN_INTERACTIVE,
PDB_STRING, help_page,
PDB_END);
}
else
{
return_vals =
procedural_db_run_proc ("extension_gimp_help_browser_temp",
&nreturn_vals,
PDB_STRING, help_page,
PDB_END);
}
procedural_db_destroy_args (return_vals, nreturn_vals);
}