gimp/plug-ins/help-browser/help-browser.c

323 lines
9.2 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* The GIMP Help Browser
* Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
* Michael Natterer <mitch@gimp.org>
* Henrik Brix Andersen <brix@gimp.org>
*
* Some code & ideas taken from the GNOME help browser.
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h> /* strlen, strcmp */
#include <gtk/gtk.h>
#include <libgimp/gimp.h>
#include "plug-ins/help/gimphelp.h"
#include "dialog.h"
#include "libgimp/stdplugins-intl.h"
/* defines */
#define GIMP_HELP_BROWSER_EXT_PROC "extension-gimp-help-browser"
#define GIMP_HELP_BROWSER_TEMP_EXT_PROC "extension-gimp-help-browser-temp"
#define PLUG_IN_BINARY "help-browser"
#define PLUG_IN_ROLE "gimp-help-browser"
/* forward declarations */
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static void temp_proc_install (void);
static void temp_proc_run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static gboolean help_browser_show_help (const gchar *help_domain,
const gchar *help_locales,
const gchar *help_id);
static GimpHelpProgress * help_browser_progress_new (void);
/* local variables */
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
MAIN ()
static void
query (void)
{
static const GimpParamDef args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0) }" },
{ GIMP_PDB_INT32, "num-domain-names", "" },
{ GIMP_PDB_STRINGARRAY, "domain-names", "" },
{ GIMP_PDB_INT32, "num-domain-uris", "" },
{ GIMP_PDB_STRINGARRAY, "domain-uris", "" }
};
gimp_install_procedure (GIMP_HELP_BROWSER_EXT_PROC,
"Browse the GIMP user manual",
"A small and simple HTML browser optimized for "
"browsing the GIMP user manual.",
"Sven Neumann <sven@gimp.org>, "
"Michael Natterer <mitch@gimp.org>"
"Henrik Brix Andersen <brix@gimp.org>",
"Sven Neumann, Michael Natterer & Henrik Brix Andersen",
"1999-2008",
NULL,
"",
GIMP_EXTENSION,
G_N_ELEMENTS (args), 0,
args, NULL);
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
GimpRunMode run_mode = param[0].data.d_int32;
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
static GimpParam values[1];
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = status;
*nreturn_vals = 1;
*return_vals = values;
INIT_I18N ();
switch (run_mode)
{
case GIMP_RUN_INTERACTIVE:
case GIMP_RUN_NONINTERACTIVE:
case GIMP_RUN_WITH_LAST_VALS:
/* Make sure all the arguments are there! */
if (nparams >= 1)
{
if (nparams == 5)
{
if (! gimp_help_init (param[1].data.d_int32,
param[2].data.d_stringarray,
param[3].data.d_int32,
param[4].data.d_stringarray))
{
status = GIMP_PDB_CALLING_ERROR;
}
}
if (status == GIMP_PDB_SUCCESS)
{
browser_dialog_open (PLUG_IN_BINARY);
temp_proc_install ();
gimp_extension_ack ();
gimp_extension_enable ();
gtk_main ();
}
}
else
{
status = GIMP_PDB_CALLING_ERROR;
}
break;
default:
status = GIMP_PDB_CALLING_ERROR;
break;
}
values[0].data.d_status = status;
}
static void
temp_proc_install (void)
{
static const GimpParamDef args[] =
{
{ GIMP_PDB_STRING, "help-domain", "Help domain to use" },
{ GIMP_PDB_STRING, "help-locales", "Language to use" },
{ GIMP_PDB_STRING, "help-id", "Help ID to open" }
};
gimp_install_temp_proc (GIMP_HELP_BROWSER_TEMP_EXT_PROC,
"DON'T USE THIS ONE",
"(Temporary procedure)",
"Sven Neumann <sven@gimp.org>, "
"Michael Natterer <mitch@gimp.org>"
"Henrik Brix Andersen <brix@gimp.org>",
"Sven Neumann, Michael Natterer & Henrik Brix Andersen",
"1999-2008",
NULL,
"",
GIMP_TEMPORARY,
G_N_ELEMENTS (args), 0,
args, NULL,
temp_proc_run);
}
static void
temp_proc_run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[1];
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
*nreturn_vals = 1;
*return_vals = values;
/* make sure all the arguments are there */
if (nparams == 3)
{
const gchar *help_domain = GIMP_HELP_DEFAULT_DOMAIN;
const gchar *help_locales = NULL;
const gchar *help_id = GIMP_HELP_DEFAULT_ID;
if (param[0].data.d_string && strlen (param[0].data.d_string))
help_domain = param[0].data.d_string;
if (param[1].data.d_string && strlen (param[1].data.d_string))
help_locales = param[1].data.d_string;
if (param[2].data.d_string && strlen (param[2].data.d_string))
help_id = param[2].data.d_string;
if (! help_browser_show_help (help_domain, help_locales, help_id))
{
gtk_main_quit ();
}
}
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = status;
}
static gboolean
help_browser_show_help (const gchar *help_domain,
const gchar *help_locales,
const gchar *help_id)
{
GimpHelpDomain *domain;
gboolean success = TRUE;
domain = gimp_help_lookup_domain (help_domain);
if (domain)
{
GimpHelpProgress *progress = NULL;
GimpHelpLocale *locale;
GList *locales;
gchar *uri;
gboolean fatal_error;
locales = gimp_help_parse_locales (help_locales);
if (! g_str_has_prefix (domain->help_uri, "file:"))
progress = help_browser_progress_new ();
uri = gimp_help_domain_map (domain, locales, help_id,
progress, &locale, &fatal_error);
if (progress)
gimp_help_progress_free (progress);
g_list_free_full (locales, (GDestroyNotify) g_free);
if (uri)
{
browser_dialog_make_index (domain, locale);
browser_dialog_load (uri);
g_free (uri);
}
else if (fatal_error)
{
success = FALSE;
}
}
return success;
}
static void
help_browser_progress_start (const gchar *message,
gboolean cancelable,
gpointer user_data)
{
gimp_progress_init (message);
}
static void
help_browser_progress_update (gdouble value,
gpointer user_data)
{
gimp_progress_update (value);
}
static void
help_browser_progress_end (gpointer user_data)
{
gimp_progress_end ();
}
static GimpHelpProgress *
help_browser_progress_new (void)
{
static const GimpHelpProgressVTable vtable =
{
help_browser_progress_start,
help_browser_progress_end,
help_browser_progress_update
};
return gimp_help_progress_new (&vtable, NULL);
}