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/* -*-mode:c; c-style:k&r; c-basic-offset:4; -*- */
/* Balsa E-Mail Client
*
* Copyright (C) 1997-2000 Stuart Parmenter and others,
* See the file AUTHORS for a list.
*
* 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, 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"
#include "information.h"
struct information_data {
GtkWindow *parent;
LibBalsaInformationType message_type;
gchar *msg;
};
static gboolean libbalsa_information_idle_handler(struct information_data*);
LibBalsaInformationFunc libbalsa_real_information_func;
/*
* We are adding an idle handler - we do not need to hold the gdk lock
* for this.
*
* We can't just grab the GDK lock and call the real_error function
* since this runs a dialog, which has a nested g_main loop - glib
* doesn't like haveing main loops active in two threads at one
* time. When the idle handler gets run it is from the main thread.
*
*/
void
libbalsa_information_varg(GtkWindow *parent, LibBalsaInformationType type,
const char *fmt, va_list ap)
{
struct information_data *data = g_new(struct information_data, 1);
g_return_if_fail(fmt != NULL);
g_assert(libbalsa_real_information_func != NULL);
/* We format the string here. It must be free()d in the idle
* handler We parse the args here because by the time the idle
* function runs we will no longer be in this stack frame.
*/
data->parent = parent;
data->message_type = type;
data->msg = g_strdup_vprintf(fmt, ap);
if(parent)
g_object_add_weak_pointer(G_OBJECT(parent), (gpointer) &data->parent);
g_idle_add((GSourceFunc) libbalsa_information_idle_handler, data);
}
void
libbalsa_information(LibBalsaInformationType type,
const char *fmt, ...)
{
va_list va_args;
va_start(va_args, fmt);
libbalsa_information_varg(NULL, type, fmt, va_args);
va_end(va_args);
}
void
libbalsa_information_parented(GtkWindow *parent, LibBalsaInformationType type,
const char *fmt, ...)
{
va_list va_args;
va_start(va_args, fmt);
libbalsa_information_varg(parent, type, fmt, va_args);
va_end(va_args);
}
/*
* This is an idle handler, so we need to grab the GDK lock
*/
static gboolean
libbalsa_information_idle_handler(struct information_data *data)
{
gdk_threads_enter();
libbalsa_real_information_func(data->parent,
data->message_type,
data->msg);
gdk_threads_leave();
if(data->parent)
g_object_remove_weak_pointer(G_OBJECT(data->parent),
(gpointer) &data->parent);
g_free(data->msg);
g_free(data);
return FALSE;
}
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