src/logwindow.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999,2000 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include <glib.h>
  25 #include <gdk/gdkkeysyms.h>
  26 #include <gtk/gtkwidget.h>
  27 #include <gtk/gtkwindow.h>
  28 #include <gtk/gtksignal.h>
  29 #include <gtk/gtkscrolledwindow.h>
  30 #include <gtk/gtktext.h>
  31 #include <gtk/gtkstyle.h>
  32
  33 #include "intl.h"
  34 #include "logwindow.h"
  35 #include "utils.h"
  36 #include "gtkutils.h"
  37 #include "prefs_common.h"
  38
  39 static LogWindow *logwindow;
  40
  41 static void key_pressed(GtkWidget *widget, GdkEventKey *event,
  42                         LogWindow *logwin);
  43 void log_window_clear(GtkWidget *text);
  44
  45 LogWindow *log_window_create(void)
  46 {
  47         LogWindow *logwin;
  48         GtkWidget *window;
  49         GtkWidget *scrolledwin;
  50         GtkWidget *text;
  51
  52         debug_print(_("Creating log window...\n"));
  53         logwin = g_new0(LogWindow, 1);
  54
  55         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  56         gtk_window_set_title(GTK_WINDOW(window), _("Protocol log"));
  57         gtk_window_set_wmclass(GTK_WINDOW(window), "log_window", "Sylpheed");
  58         gtk_window_set_policy(GTK_WINDOW(window), TRUE, TRUE, FALSE);
  59         gtk_widget_set_usize(window, 520, 400);
  60         gtk_signal_connect(GTK_OBJECT(window), "delete_event",
  61                            GTK_SIGNAL_FUNC(gtk_widget_hide_on_delete), NULL);
  62         gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
  63                            GTK_SIGNAL_FUNC(key_pressed), logwin);
  64         gtk_widget_realize(window);
  65
  66         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
  67         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
  68                                        GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
  69         gtk_container_add(GTK_CONTAINER(window), scrolledwin);
  70         gtk_widget_show(scrolledwin);
  71
  72         text = gtk_text_new(gtk_scrolled_window_get_hadjustment
  73                             (GTK_SCROLLED_WINDOW(scrolledwin)),
  74                             gtk_scrolled_window_get_vadjustment
  75                             (GTK_SCROLLED_WINDOW(scrolledwin)));
  76         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
  77         gtk_widget_show(text);
  78
  79         logwin->window = window;
  80         logwin->scrolledwin = scrolledwin;
  81         logwin->text = text;
  82
  83         logwindow = logwin;
  84
  85         return logwin;
  86 }
  87
  88 void log_window_init(LogWindow *logwin)
  89 {
  90         GdkColormap *colormap;
  91         GdkColor color[3] =
  92                 {{0, 0, 0xafff, 0}, {0, 0xefff, 0, 0}, {0, 0xefff, 0, 0}};
  93         gboolean success[3];
  94         gint i;
  95
  96         gtkut_widget_disable_theme_engine(logwin->text);
  97
  98         logwin->msg_color   = color[0];
  99         logwin->warn_color  = color[1];
 100         logwin->error_color = color[2];
 101
 102         colormap = gdk_window_get_colormap(logwin->window->window);
 103         gdk_colormap_alloc_colors(colormap, color, 3, FALSE, TRUE, success);
 104
 105         for (i = 0; i < 3; i++) {
 106                 if (success[i] == FALSE) {
 107                         GtkStyle *style;
 108
 109                         g_warning("LogWindow: color allocation failed\n");
 110                         style = gtk_widget_get_style(logwin->window);
 111                         logwin->msg_color = logwin->warn_color =
 112                         logwin->error_color = style->black;
 113                         break;
 114                 }
 115         }
 116 }
 117
 118 void log_window_show(LogWindow *logwin)
 119 {
 120         gtk_widget_hide(logwin->window);
 121         gtk_widget_show(logwin->window);
 122 }
 123
 124 void log_window_append(const gchar *str, LogType type)
 125 {
 126         GtkText *text;
 127         GdkColor *color = NULL;
 128         gchar *head = NULL;
 129
 130         g_return_if_fail(logwindow != NULL);
 131
 132         text = GTK_TEXT(logwindow->text);
 133
 134         switch (type) {
 135         case LOG_WARN:
 136                 color = &logwindow->warn_color;
 137                 head = "*** ";
 138                 break;
 139         case LOG_ERROR:
 140                 color = &logwindow->error_color;
 141                 head = "*** ";
 142                 break;
 143         case LOG_MSG:
 144                 color = &logwindow->msg_color;
 145                 break;
 146         default:
 147                 break;
 148         }
 149
 150         if (head) gtk_text_insert(text, NULL, color, NULL, head, -1);
 151         gtk_text_insert(text, NULL, color, NULL, str, -1);
 152         if (prefs_common.cliplog)
 153                log_window_clear (GTK_WIDGET (text));
 154 }
 155
 156 static void key_pressed(GtkWidget *widget, GdkEventKey *event,
 157                         LogWindow *logwin)
 158 {
 159         if (event && event->keyval == GDK_Escape)
 160                 gtk_widget_hide(logwin->window);
 161 }
 162
 163 #define LOG_AVG_LINE_LEN 80
 164 void log_window_clear(GtkWidget *text)
 165 {
 166         guint length;
 167         guint point;
 168         gchar *str;
 169
 170         length = gtk_text_get_length (GTK_TEXT (text));
 171         debug_print(_("Log window length: %u\n"), length);
 172
 173         if (length > prefs_common.loglength) {
 174                 gchar *lf;
 175                 /* find the end of the first line after the cut off
 176                  * point */
 177                 point = length - prefs_common.loglength;
 178
 179                 do {
 180                         str = gtk_editable_get_chars (GTK_EDITABLE (text),
 181                                         point, point + LOG_AVG_LINE_LEN);
 182                         if ((lf = strchr(str, '\n')) != NULL)
 183                                 point += lf - str;
 184                         else
 185                                 point += LOG_AVG_LINE_LEN;
 186                         g_free(str);
 187                 } while (lf == NULL);
 188
 189                 gtk_text_freeze (GTK_TEXT (text));
 190
 191                 /* erase the text */
 192                 gtk_text_set_point (GTK_TEXT (text), 0);
 193                 if (!gtk_text_forward_delete (GTK_TEXT (text), point + 1))
 194                         debug_print (_("Error clearing log\n"));
 195                 gtk_text_thaw (GTK_TEXT (text));
 196                 gtk_text_set_point (GTK_TEXT (text),
 197                                     gtk_text_get_length (GTK_TEXT (text)));
 198         }
 199
 200 }
 201
 202