log.c

GNOME下的短信息发送中心

/*
 * Logging Window and handler 	
 *
 * Authors:     Gerhard Khueny <[e-mail]>
 *
 * TODO:        
 *
 * Fixes:
 *
 * For license terms, see the file COPYING in the project directory.
 */

/* log.c */


#include <config.h>
#include <glib.h>
#include "log.h"

static GtkWidget *log_text, *log_window;
static gint loglevel;

static void log_window_clear(GtkWidget * button);
static void log_set_level(GtkWidget * item, gpointer data);
static gint log_window_close(GtkWidget * window, gpointer data);


GtkWidget *
log_window_new()
{
	GtkWidget *window, *levelopt, *button, *vbox, *frame, *hboxtop,
	    *hboxtext, *vscrollbar, *label, *menu, *menuitem;
	GtkAdjustment *textadv;
	GtkTooltips *tooltips;


	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

	levelopt = gtk_option_menu_new();
	button = gtk_button_new_with_label("CLEAR TEXT");
	vbox = gtk_vbox_new(FALSE, 5);
	hboxtop = gtk_hbox_new(FALSE, 2);
	hboxtext = gtk_hbox_new(FALSE, 2);
	textadv =
	    (GtkAdjustment *) gtk_adjustment_new(0.5, 0, 1, 0.1, 0, 1);
	log_text = gtk_text_new(NULL, textadv);
	frame = gtk_frame_new("Logging");
	vscrollbar = gtk_vscrollbar_new(textadv);
	label = gtk_label_new("LOG-Level:");
	menu = gtk_menu_new();
	tooltips = gtk_tooltips_new();

	gtk_tooltips_set_tip(tooltips, levelopt,
			     "Set Level for displaying messages", NULL);

	menuitem = gtk_menu_item_new_with_label("DEBUG");
	gtk_widget_show(menuitem);
	gtk_menu_append(GTK_MENU(menu), menuitem);
	gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
			   GTK_SIGNAL_FUNC(log_set_level), (gpointer) 0);
	menuitem = gtk_menu_item_new_with_label("INFO");
	gtk_widget_show(menuitem);
	gtk_menu_append(GTK_MENU(menu), menuitem);
	gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
			   GTK_SIGNAL_FUNC(log_set_level), (gpointer) 1);
	menuitem = gtk_menu_item_new_with_label("MESSAGE");
	gtk_widget_show(menuitem);
	gtk_menu_append(GTK_MENU(menu), menuitem);
	gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
			   GTK_SIGNAL_FUNC(log_set_level), (gpointer) 2);
	menuitem = gtk_menu_item_new_with_label("WARNING");
	gtk_widget_show(menuitem);
	gtk_menu_append(GTK_MENU(menu), menuitem);
	gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
			   GTK_SIGNAL_FUNC(log_set_level), (gpointer) 3);


	gtk_option_menu_set_menu(GTK_OPTION_MENU(levelopt), menu);

	gtk_window_set_default_size(GTK_WINDOW(window), 400, 300);
	gtk_window_set_title(GTK_WINDOW(window), "Logging");
	gtk_container_add(GTK_CONTAINER(window), frame);
	gtk_container_add(GTK_CONTAINER(frame), vbox);

	gtk_box_pack_start(GTK_BOX(hboxtop), label, FALSE, FALSE, 5);
	gtk_box_pack_start(GTK_BOX(hboxtop), levelopt, FALSE, FALSE, 10);
	gtk_box_pack_start(GTK_BOX(vbox), hboxtop, FALSE, FALSE, 0);

	gtk_container_add(GTK_CONTAINER(hboxtext), log_text);
	gtk_box_pack_end(GTK_BOX(hboxtext), vscrollbar, FALSE, FALSE, 0);
	gtk_container_add(GTK_CONTAINER(vbox), hboxtext);
	gtk_box_pack_end(GTK_BOX(vbox), button, FALSE, FALSE, 0);

	/* Signals */
	gtk_signal_connect(GTK_OBJECT(button), "clicked",
			   GTK_SIGNAL_FUNC(log_window_clear), NULL);
	gtk_signal_connect(GTK_OBJECT(window), "delete_event",
			   GTK_SIGNAL_FUNC(log_window_close), NULL);

	log_window=window;
	return window;
}

void log_on()
{
	gtk_widget_show_all(log_window);
}

static gboolean
event_loop_print_text_cb(gpointer text) {
		gtk_text_insert(GTK_TEXT(log_text), 
				NULL, NULL, NULL, (gchar *) text, -1);
		g_free(text); 
		return FALSE;
}

static void 
log_window_clear(GtkWidget * button)
{
	gtk_text_freeze(GTK_TEXT(log_text));
	gtk_text_backward_delete(GTK_TEXT(log_text),
				 gtk_text_get_length(GTK_TEXT(log_text)));
	gtk_text_thaw(GTK_TEXT(log_text));
}

static void 
log_set_level(GtkWidget * item, gpointer data)
{

	loglevel = (gint) data;

}

static gint 
log_window_close(GtkWidget * window, gpointer data)
{
	gtk_widget_hide_all(window);
	return (TRUE);
}

void
gsms_log_func(const gchar * log_domain, GLogLevelFlags log_level,
	      const gchar * message, gpointer user_data)
{
	gchar *logtext = NULL;
	gint level = 0;

	switch ((int) log_level) {
	case G_LOG_LEVEL_DEBUG:
		logtext =
		    g_strdup_printf("DEBUG %s: %s\n", log_domain, message);
		level = 0;
		break;

	case G_LOG_LEVEL_INFO:
		logtext =
		    g_strdup_printf("INFO %s: %s\n", log_domain, message);
		level = 1;
		break;

	case G_LOG_LEVEL_MESSAGE:
		logtext =
		    g_strdup_printf("MESSAGE %s: %s\n", log_domain,
				    message);
		level = 2;
		break;

	case G_LOG_LEVEL_WARNING:
		logtext =
		    g_strdup_printf("WARNING %s: %s\n", log_domain,
				    message);
		level = 3;
		break;
	}

	/* we have to do it this way because this functions get called
	   through callbacks from g_log and that is called from threads
	*/
	if (level >= loglevel)
		g_idle_add(event_loop_print_text_cb, logtext);
	else
		g_free(logtext);
}