File: remmina_log.c

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remmina 1.0.0-4%2Bdeb7u1
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/*
 * Remmina - The GTK+ Remote Desktop Client
 * Copyright (C) 2010 Vic Lee 
 *
 * 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 <gtk/gtk.h>
#include <glib/gi18n.h>
#include "remmina_public.h"
#include "remmina_log.h"

/***** Define the log window GUI *****/
#define REMMINA_TYPE_LOG_WINDOW               (remmina_log_window_get_type ())
#define REMMINA_LOG_WINDOW(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), REMMINA_TYPE_LOG_WINDOW, RemminaLogWindow))
#define REMMINA_LOG_WINDOW_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), REMMINA_TYPE_LOG_WINDOW, RemminaLogWindowClass))
#define REMMINA_IS_LOG_WINDOW(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), REMMINA_TYPE_LOG_WINDOW))
#define REMMINA_IS_LOG_WINDOW_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE ((klass), REMMINA_TYPE_LOG_WINDOW))
#define REMMINA_LOG_WINDOW_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), REMMINA_TYPE_LOG_WINDOW, RemminaLogWindowClass))

typedef struct _RemminaLogWindow
{
	GtkWindow window;

	GtkWidget *log_view;
	GtkTextBuffer *log_buffer;
} RemminaLogWindow;

typedef struct _RemminaLogWindowClass
{
	GtkWindowClass parent_class;
} RemminaLogWindowClass;

GType remmina_log_window_get_type(void)
G_GNUC_CONST;

G_DEFINE_TYPE(RemminaLogWindow, remmina_log_window, GTK_TYPE_WINDOW)

static void remmina_log_window_class_init(RemminaLogWindowClass *klass)
{
}

static void remmina_log_window_init(RemminaLogWindow *logwin)
{
	GtkWidget *scrolledwindow;
	GtkWidget *widget;

	gtk_container_set_border_width(GTK_CONTAINER(logwin), 4);

	scrolledwindow = gtk_scrolled_window_new(NULL, NULL);
	gtk_widget_show(scrolledwindow);
	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwindow), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
	gtk_container_add(GTK_CONTAINER(logwin), scrolledwindow);

	widget = gtk_text_view_new();
	gtk_widget_show(widget);
	gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(widget), GTK_WRAP_WORD_CHAR);
	gtk_text_view_set_editable(GTK_TEXT_VIEW(widget), FALSE);
	gtk_container_add(GTK_CONTAINER(scrolledwindow), widget);
	logwin->log_view = widget;
	logwin->log_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(widget));
}

static GtkWidget*
remmina_log_window_new(void)
{
	return GTK_WIDGET(g_object_new(REMMINA_TYPE_LOG_WINDOW, NULL));
}

/* We will always only have one log window per instance */
static GtkWidget *log_window = NULL;

static void remmina_log_end(GtkWidget *widget, gpointer data)
{
	log_window = NULL;
}

void remmina_log_start(void)
{
	if (log_window)
	{
		gtk_window_present(GTK_WINDOW(log_window));
	}
	else
	{
		log_window = remmina_log_window_new();
		gtk_window_set_default_size(GTK_WINDOW(log_window), 640, 480);
		g_signal_connect(G_OBJECT(log_window), "destroy", G_CALLBACK(remmina_log_end), NULL);
		gtk_widget_show(log_window);
	}
}

gboolean remmina_log_running(void)
{
	return (log_window != NULL);
}

static gboolean remmina_log_scroll_to_end(gpointer data)
{
	GtkTextIter iter;

	if (log_window)
	{
		gtk_text_buffer_get_end_iter(REMMINA_LOG_WINDOW (log_window)->log_buffer, &iter);
		gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(REMMINA_LOG_WINDOW (log_window)->log_view), &iter, 0.0, FALSE, 0.0,
				0.0);
	}
	return FALSE;
}

static gboolean remmina_log_print_real(gpointer data)
{
	GtkTextIter iter;

	if (log_window)
	{
		gtk_text_buffer_get_end_iter(REMMINA_LOG_WINDOW (log_window)->log_buffer, &iter);
		gtk_text_buffer_insert(REMMINA_LOG_WINDOW (log_window)->log_buffer, &iter, (const gchar*) data, -1);
		IDLE_ADD(remmina_log_scroll_to_end, NULL);
	}
	g_free(data);
	return FALSE;
}

void remmina_log_print(const gchar *text)
{
	if (!log_window)
		return;

	IDLE_ADD(remmina_log_print_real, g_strdup(text));
}

void remmina_log_printf(const gchar *fmt, ...)
{
	va_list args;
	gchar *text;

	if (!log_window) return;

	va_start (args, fmt);
	text = g_strdup_vprintf (fmt, args);
	va_end (args);

	IDLE_ADD (remmina_log_print_real, text);
}