src/sourcewindow.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 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 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtkwidget.h>
  25 #include <gtk/gtkwindow.h>
  26 #include <gtk/gtksignal.h>
  27 #include <gtk/gtkscrolledwindow.h>
  28 #include <gtk/gtktext.h>
  29 #include <gtk/gtkstyle.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32
  33 #include "intl.h"
  34 #include "sourcewindow.h"
  35 #include "procmsg.h"
  36 #include "utils.h"
  37 #include "gtkutils.h"
  38 #include "prefs_common.h"
  39
  40 static void source_window_destroy_cb    (GtkWidget      *widget,
  41                                          SourceWindow   *sourcewin);
  42 static void key_pressed                 (GtkWidget      *widget,
  43                                          GdkEventKey    *event,
  44                                          SourceWindow   *sourcewin);
  45
  46 static GdkFont *msgfont = NULL;
  47
  48 #define FONT_LOAD(font, s) \
  49 { \
  50         gchar *fontstr, *p; \
  51  \
  52         Xstrdup_a(fontstr, s, ); \
  53         if ((p = strchr(fontstr, ',')) != NULL) *p = '\0'; \
  54         font = gdk_font_load(fontstr); \
  55 }
  56
  57 static void source_window_init()
  58 {
  59         if (msgfont != NULL || prefs_common.textfont == NULL)
  60                 return;
  61
  62         if (MB_CUR_MAX == 1) {
  63                 FONT_LOAD(msgfont, prefs_common.textfont);
  64         } else {
  65                 msgfont = gdk_fontset_load(prefs_common.textfont);
  66         }
  67 }
  68
  69 SourceWindow *source_window_create(void)
  70 {
  71         SourceWindow *sourcewin;
  72         GtkWidget *window;
  73         GtkWidget *scrolledwin;
  74         GtkWidget *text;
  75
  76         debug_print(_("Creating source window...\n"));
  77         sourcewin = g_new0(SourceWindow, 1);
  78
  79         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  80         gtk_window_set_title(GTK_WINDOW(window), _("Source of the message"));
  81         gtk_window_set_policy(GTK_WINDOW(window), TRUE, TRUE, FALSE);
  82         gtk_widget_set_usize(window, 600, 500);
  83         gtk_signal_connect(GTK_OBJECT(window), "destroy",
  84                            GTK_SIGNAL_FUNC(source_window_destroy_cb),
  85                            sourcewin);
  86         gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
  87                            GTK_SIGNAL_FUNC(key_pressed), sourcewin);
  88         gtk_widget_realize(window);
  89
  90         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
  91         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
  92                                        GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
  93         gtk_container_add(GTK_CONTAINER(window), scrolledwin);
  94         gtk_widget_show(scrolledwin);
  95
  96         text = gtk_text_new(gtk_scrolled_window_get_hadjustment
  97                             (GTK_SCROLLED_WINDOW(scrolledwin)),
  98                             gtk_scrolled_window_get_vadjustment
  99                             (GTK_SCROLLED_WINDOW(scrolledwin)));
 100         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 101         gtk_widget_show(text);
 102
 103         sourcewin->window = window;
 104         sourcewin->scrolledwin = scrolledwin;
 105         sourcewin->text = text;
 106
 107         source_window_init();
 108
 109         return sourcewin;
 110 }
 111
 112 void source_window_show(SourceWindow *sourcewin)
 113 {
 114         gtk_widget_show_all(sourcewin->window);
 115 }
 116
 117 void source_window_destroy(SourceWindow *sourcewin)
 118 {
 119         g_free(sourcewin);
 120 }
 121
 122 void source_window_show_msg(SourceWindow *sourcewin, MsgInfo *msginfo)
 123 {
 124         gchar *file;
 125         gchar *title;
 126         FILE *fp;
 127         gchar buf[BUFFSIZE];
 128
 129         g_return_if_fail(msginfo != NULL);
 130
 131         file = procmsg_get_message_file_path(msginfo);
 132         g_return_if_fail(file != NULL);
 133
 134         if ((fp = fopen(file, "r")) == NULL) {
 135                 FILE_OP_ERROR(file, "fopen");
 136                 g_free(file);
 137                 return;
 138         }
 139
 140         debug_print(_("Displaying the source of %s ...\n"), file);
 141
 142         title = g_strdup_printf(_("%s - Source"), file);
 143         gtk_window_set_title(GTK_WINDOW(sourcewin->window), title);
 144         g_free(title);
 145         g_free(file);
 146
 147         gtk_text_freeze(GTK_TEXT(sourcewin->text));
 148
 149         while (fgets(buf, sizeof(buf), fp) != NULL)
 150                 source_window_append(sourcewin, buf);
 151
 152         gtk_text_thaw(GTK_TEXT(sourcewin->text));
 153
 154         fclose(fp);
 155 }
 156
 157 void source_window_append(SourceWindow *sourcewin, const gchar *str)
 158 {
 159         gtk_text_insert(GTK_TEXT(sourcewin->text), msgfont, NULL, NULL,
 160                         str, -1);
 161 }
 162
 163 static void source_window_destroy_cb(GtkWidget *widget,
 164                                      SourceWindow *sourcewin)
 165 {
 166         source_window_destroy(sourcewin);
 167 }
 168
 169 static void key_pressed(GtkWidget *widget, GdkEventKey *event,
 170                         SourceWindow *sourcewin)
 171 {
 172         if (event && event->keyval == GDK_Escape)
 173                 gtk_widget_destroy(sourcewin->window);
 174 }