src/sourcewindow.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 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 "utils.h"
  36 #include "gtkutils.h"
  37 #include "prefs_common.h"
  38
  39 static void source_window_size_alloc_cb (GtkWidget      *widget,
  40                                          GtkAllocation  *allocation);
  41 static void source_window_destroy_cb    (GtkWidget      *widget,
  42                                          SourceWindow   *sourcewin);
  43 static void key_pressed                 (GtkWidget      *widget,
  44                                          GdkEventKey    *event,
  45                                          SourceWindow   *sourcewin);
  46
  47 static GdkFont *msgfont = NULL;
  48
  49 static void source_window_init()
  50 {
  51         if (!msgfont && prefs_common.textfont)
  52                 msgfont = gtkut_font_load(prefs_common.textfont);
  53 }
  54
  55 SourceWindow *source_window_create(void)
  56 {
  57         SourceWindow *sourcewin;
  58         GtkWidget *window;
  59         GtkWidget *scrolledwin;
  60         GtkWidget *text;
  61
  62         debug_print("Creating source window...\n");
  63         sourcewin = g_new0(SourceWindow, 1);
  64
  65         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  66         gtk_window_set_title(GTK_WINDOW(window), _("Source of the message"));
  67         gtk_window_set_wmclass(GTK_WINDOW(window), "source_window", "Sylpheed");
  68         gtk_window_set_policy(GTK_WINDOW(window), TRUE, TRUE, FALSE);
  69         gtk_widget_set_usize(window, prefs_common.sourcewin_width,
  70                              prefs_common.sourcewin_height);
  71         gtk_signal_connect(GTK_OBJECT(window), "size_allocate",
  72                            GTK_SIGNAL_FUNC(source_window_size_alloc_cb),
  73                            sourcewin);
  74         gtk_signal_connect(GTK_OBJECT(window), "destroy",
  75                            GTK_SIGNAL_FUNC(source_window_destroy_cb),
  76                            sourcewin);
  77         gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
  78                            GTK_SIGNAL_FUNC(key_pressed), sourcewin);
  79         gtk_widget_realize(window);
  80
  81         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
  82         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
  83                                        GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
  84         gtk_container_add(GTK_CONTAINER(window), scrolledwin);
  85         gtk_widget_show(scrolledwin);
  86
  87         text = gtk_text_new(gtk_scrolled_window_get_hadjustment
  88                             (GTK_SCROLLED_WINDOW(scrolledwin)),
  89                             gtk_scrolled_window_get_vadjustment
  90                             (GTK_SCROLLED_WINDOW(scrolledwin)));
  91         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
  92         gtk_widget_show(text);
  93
  94         sourcewin->window = window;
  95         sourcewin->scrolledwin = scrolledwin;
  96         sourcewin->text = text;
  97
  98         source_window_init();
  99
 100         return sourcewin;
 101 }
 102
 103 void source_window_show(SourceWindow *sourcewin)
 104 {
 105         gtk_widget_show_all(sourcewin->window);
 106 }
 107
 108 void source_window_destroy(SourceWindow *sourcewin)
 109 {
 110         g_free(sourcewin);
 111 }
 112
 113 void source_window_show_msg(SourceWindow *sourcewin, MsgInfo *msginfo)
 114 {
 115         gchar *file;
 116         gchar *title;
 117         FILE *fp;
 118         gchar buf[BUFFSIZE];
 119
 120         g_return_if_fail(msginfo != NULL);
 121
 122         file = procmsg_get_message_file(msginfo);
 123         g_return_if_fail(file != NULL);
 124
 125         if ((fp = fopen(file, "rb")) == NULL) {
 126                 FILE_OP_ERROR(file, "fopen");
 127                 g_free(file);
 128                 return;
 129         }
 130
 131         debug_print("Displaying the source of %s ...\n", file);
 132
 133         title = g_strdup_printf(_("%s - Source"), file);
 134         gtk_window_set_title(GTK_WINDOW(sourcewin->window), title);
 135         g_free(title);
 136         g_free(file);
 137
 138         gtk_text_freeze(GTK_TEXT(sourcewin->text));
 139
 140         while (fgets(buf, sizeof(buf), fp) != NULL)
 141                 source_window_append(sourcewin, buf);
 142
 143         gtk_text_thaw(GTK_TEXT(sourcewin->text));
 144
 145         fclose(fp);
 146 }
 147
 148 void source_window_append(SourceWindow *sourcewin, const gchar *str)
 149 {
 150         gchar *out;
 151         gint len;
 152
 153         len = strlen(str) + 1;
 154         Xalloca(out, len, return);
 155         conv_localetodisp(out, len, str);
 156         gtk_text_insert(GTK_TEXT(sourcewin->text), msgfont, NULL, NULL,
 157                         out, -1);
 158 }
 159
 160 static void source_window_size_alloc_cb(GtkWidget *widget,
 161                                         GtkAllocation *allocation)
 162 {
 163         g_return_if_fail(allocation != NULL);
 164
 165         prefs_common.sourcewin_width  = allocation->width;
 166         prefs_common.sourcewin_height = allocation->height;
 167 }
 168
 169 static void source_window_destroy_cb(GtkWidget *widget,
 170                                      SourceWindow *sourcewin)
 171 {
 172         source_window_destroy(sourcewin);
 173 }
 174
 175 static void key_pressed(GtkWidget *widget, GdkEventKey *event,
 176                         SourceWindow *sourcewin)
 177 {
 178         if (event && event->keyval == GDK_Escape)
 179                 gtk_widget_destroy(sourcewin->window);
 180 }