medit/moo/mooutils/moolog.c

279 lines
8.3 KiB
C

/*
* mooutils/moolog.c
*
* Copyright (C) 2004-2005 by Yevgen Muntyan <muntyan@math.tamu.edu>
*
* 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.
*
* See COPYING file that comes with this distribution.
*/
#include <stdio.h>
#ifdef __WIN32__
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif /* __WIN32__ */
#include "mooutils/moolog.h"
#include <gtk/gtk.h>
typedef struct _MooLogWindow MooLogWindow;
struct _MooLogWindow {
GtkWidget *window;
GtkTextTag *message_tag;
GtkTextTag *warning_tag;
GtkTextTag *critical_tag;
GtkTextBuffer *buf;
GtkTextView *textview;
GtkTextMark *insert;
};
MooLogWindow *moo_log_window (void);
GtkWidget *moo_log_window_get_widget (void);
static MooLogWindow *moo_log_window_new (void)
{
MooLogWindow *log;
GtkWidget *vbox, *scrolledwindow;
PangoFontDescription *font;
log = g_new (MooLogWindow, 1);
log->window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (log->window), "Log Window");
gtk_window_set_default_size (GTK_WINDOW (log->window), 400, 300);
vbox = gtk_vbox_new (FALSE, 0);
gtk_widget_show (vbox);
gtk_container_add (GTK_CONTAINER (log->window), vbox);
scrolledwindow = gtk_scrolled_window_new (NULL, NULL);
gtk_widget_show (scrolledwindow);
gtk_box_pack_start (GTK_BOX (vbox), scrolledwindow, TRUE, TRUE, 0);
GTK_WIDGET_UNSET_FLAGS (scrolledwindow, GTK_CAN_FOCUS);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledwindow),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolledwindow),
GTK_SHADOW_ETCHED_IN);
log->textview = GTK_TEXT_VIEW (gtk_text_view_new ());
gtk_widget_show (GTK_WIDGET (log->textview));
gtk_container_add (GTK_CONTAINER (scrolledwindow), GTK_WIDGET (log->textview));
GTK_WIDGET_UNSET_FLAGS (GTK_WIDGET (log->textview), GTK_CAN_FOCUS);
gtk_text_view_set_editable (log->textview, FALSE);
gtk_text_view_set_wrap_mode (log->textview, GTK_WRAP_WORD);
g_signal_connect (log->window, "delete-event",
G_CALLBACK (gtk_widget_hide_on_delete), NULL);
log->buf = gtk_text_view_get_buffer (log->textview);
log->insert = gtk_text_buffer_get_insert (log->buf);
log->message_tag =
gtk_text_buffer_create_tag (log->buf, "message", "foreground", "blue", NULL);
log->warning_tag =
gtk_text_buffer_create_tag (log->buf, "warning", "foreground", "red", NULL);
log->critical_tag =
gtk_text_buffer_create_tag (log->buf, "critical", "foreground", "red",
"weight", PANGO_WEIGHT_BOLD, NULL);
font = pango_font_description_from_string ("Courier New 9");
if (font) {
gtk_widget_modify_font (GTK_WIDGET (log->textview), font);
pango_font_description_free (font);
}
return log;
}
void moo_log_window_write (const gchar *log_domain,
GLogLevelFlags flags,
const gchar *message)
{
char *text;
GtkTextTag *tag = NULL;
GtkTextIter end;
MooLogWindow *log = moo_log_window ();
#ifdef __WIN32__
if (flags & (G_LOG_LEVEL_ERROR | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION)) {
moo_show_fatal_error (log_domain, message);
return;
}
#endif /* __WIN32__ */
if (log_domain)
text = g_strdup_printf ("%s: %s\n", log_domain, message);
else
text = g_strdup_printf ("%s\n", message);
if (flags >= G_LOG_LEVEL_MESSAGE)
tag = log->message_tag;
else if (flags >= G_LOG_LEVEL_WARNING)
tag = log->warning_tag;
else
tag = log->critical_tag;
gtk_text_buffer_get_end_iter (log->buf, &end);
gtk_text_buffer_insert_with_tags (log->buf, &end, text, -1, tag, NULL);
gtk_text_view_scroll_mark_onscreen (log->textview, log->insert);
}
MooLogWindow *moo_log_window (void)
{
static MooLogWindow *log = NULL;
if (!log) log = moo_log_window_new ();
return log;
}
GtkWidget *moo_log_window_get_widget (void)
{
MooLogWindow *log = moo_log_window ();
return log->window;
}
void moo_log_window_show (void)
{
gtk_window_present (GTK_WINDOW (moo_log_window()->window));
}
void moo_log_window_hide (void)
{
gtk_widget_hide (moo_log_window()->window);
}
/****************************************************************************/
#define PLEASE_REPORT \
"Please report it to emuntyan@sourceforge.net and provide "\
"steps needed to reproduce this error."
#ifdef __WIN32__
void moo_show_fatal_error (const char *logdomain, const char *logmsg)
{
char *msg = NULL;
if (logdomain)
msg = g_strdup_printf ("Fatal GGAP error:\n---\n%s: %s\n---\n"
PLEASE_REPORT, logdomain, logmsg);
else
msg = g_strdup_printf ("Fatal GGAP error:\n---\n%s\n---\n"
PLEASE_REPORT, logmsg);
MessageBox (NULL, msg, "Error", MB_ICONERROR | MB_APPLMODAL | MB_SETFOREGROUND);
g_free (msg);
}
#endif /* __WIN32__ */
static void log_func_file (const gchar *log_domain,
G_GNUC_UNUSED GLogLevelFlags flags,
const gchar *message,
gpointer filename)
{
static gboolean firsttime = TRUE;
static char *name = NULL;
FILE *logfile;
g_return_if_fail (filename != NULL);
#ifdef __WIN32__
if (flags & (G_LOG_LEVEL_ERROR | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION)) {
moo_show_fatal_error (log_domain, message);
return;
}
#endif /* __WIN32__ */
if (firsttime) {
name = g_strdup ((char*)filename);
logfile = fopen (name, "w+");
firsttime = FALSE;
}
else
logfile = fopen (name, "a+");
if (logfile) {
if (log_domain)
fprintf (logfile, "%s: %s\r\n", log_domain, message);
else
fprintf (logfile, "%s\r\n", message);
fclose (logfile);
}
else {
/* TODO ??? */
}
}
static void log_func_silent (G_GNUC_UNUSED const gchar *log_domain,
G_GNUC_UNUSED GLogLevelFlags flags,
G_GNUC_UNUSED const gchar *message,
G_GNUC_UNUSED gpointer data_unused)
{
#ifdef __WIN32__
if (flags & (G_LOG_LEVEL_ERROR | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION)) {
moo_show_fatal_error (log_domain, message);
return;
}
#endif /* __WIN32__ */
}
typedef void (*LogFunc) (const gchar *log_domain,
GLogLevelFlags flags,
const gchar *message,
gpointer data);
static void set_handler (LogFunc func, gpointer data)
{
#if !GLIB_CHECK_VERSION(2,6,0)
g_log_set_handler ("Glib",
G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
func, data);
g_log_set_handler ("Gtk",
G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
func, data);
g_log_set_handler ("Pango",
G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
func, data);
g_log_set_handler (NULL,
G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
func, data);
#else /* GLIB_CHECK_VERSION(2,6,0) */
g_log_set_default_handler (func, data);
#endif /* GLIB_CHECK_VERSION(2,6,0) */
}
void moo_set_log_func_window (int show)
{
if (show) moo_log_window_show ();
set_handler ((LogFunc)moo_log_window_write, NULL);
}
void moo_set_log_func_file (const char *log_file)
{
g_return_if_fail (log_file != NULL);
set_handler (log_func_file, (char*)log_file);
}
void moo_set_log_func (int show_log)
{
if (!show_log)
set_handler (log_func_silent, NULL);
else {
#ifdef __WIN32__
moo_set_log_func_window (FALSE);
#endif /* __WIN32__ */
}
}