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 gboolean key_pressed             (GtkWidget      *widget,
  44                                          GdkEventKey    *event,
  45                                          SourceWindow   *sourcewin);
  46
  47 static void source_window_init()
  48 {
  49 }
  50
  51 SourceWindow *source_window_create(void)
  52 {
  53         SourceWindow *sourcewin;
  54         GtkWidget *window;
  55         GtkWidget *scrolledwin;
  56         GtkWidget *text;
  57         static PangoFontDescription *font_desc = NULL;
  58
  59         debug_print("Creating source window...\n");
  60         sourcewin = g_new0(SourceWindow, 1);
  61
  62         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  63         gtk_window_set_title(GTK_WINDOW(window), _("Source of the message"));
  64         gtk_window_set_wmclass(GTK_WINDOW(window), "source_window", "Sylpheed");
  65         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
  66         gtk_widget_set_size_request(window, prefs_common.sourcewin_width,
  67                                     prefs_common.sourcewin_height);
  68         g_signal_connect(G_OBJECT(window), "size_allocate",
  69                          G_CALLBACK(source_window_size_alloc_cb),
  70                          sourcewin);
  71         g_signal_connect(G_OBJECT(window), "destroy",
  72                          G_CALLBACK(source_window_destroy_cb),
  73                          sourcewin);
  74         g_signal_connect(G_OBJECT(window), "key_press_event",
  75                          G_CALLBACK(key_pressed), sourcewin);
  76         gtk_widget_realize(window);
  77
  78         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
  79         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
  80                                        GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
  81         gtk_container_add(GTK_CONTAINER(window), scrolledwin);
  82         gtk_widget_show(scrolledwin);
  83
  84         text = gtk_text_view_new();
  85         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
  86         if (!font_desc && prefs_common.textfont)
  87                 font_desc = pango_font_description_from_string
  88                                         (prefs_common.textfont);
  89         if (font_desc)
  90                 gtk_widget_modify_font(text, font_desc);
  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         while (fgets(buf, sizeof(buf), fp) != NULL)
 139                 source_window_append(sourcewin, buf);
 140
 141         fclose(fp);
 142 }
 143
 144 void source_window_append(SourceWindow *sourcewin, const gchar *str)
 145 {
 146         GtkTextView *text = GTK_TEXT_VIEW(sourcewin->text);
 147         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
 148         GtkTextIter iter;
 149         gchar *out;
 150         gint len;
 151
 152         len = strlen(str) + 1;
 153         Xalloca(out, len, return);
 154
 155         conv_localetodisp(out, len, str);
 156         if (!g_utf8_validate(out, -1, NULL)) {
 157                 gchar *buf;
 158                 gint buflen;
 159                 const gchar *src_codeset, *dest_codeset;
 160                 src_codeset = conv_get_current_charset_str();
 161                 dest_codeset = CS_UTF_8;
 162                 buf = conv_codeset_strdup(out, src_codeset, dest_codeset);
 163                 gtk_text_buffer_get_iter_at_offset(buffer, &iter, -1);
 164                 gtk_text_buffer_insert(buffer, &iter, buf, -1);
 165                 g_free(buf);
 166         } else {
 167                 gtk_text_buffer_get_iter_at_offset(buffer, &iter, -1);
 168                 gtk_text_buffer_insert(buffer, &iter, out, -1);
 169         }
 170 }
 171
 172 static void source_window_size_alloc_cb(GtkWidget *widget,
 173                                         GtkAllocation *allocation)
 174 {
 175         g_return_if_fail(allocation != NULL);
 176
 177         prefs_common.sourcewin_width  = allocation->width;
 178         prefs_common.sourcewin_height = allocation->height;
 179 }
 180
 181 static void source_window_destroy_cb(GtkWidget *widget,
 182                                      SourceWindow *sourcewin)
 183 {
 184         source_window_destroy(sourcewin);
 185 }
 186
 187 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
 188                             SourceWindow *sourcewin)
 189 {
 190
 191         if (!event || !sourcewin) return FALSE;
 192
 193         switch (event->keyval) {
 194         case GDK_A:
 195         case GDK_a:
 196                 if ((event->state & GDK_CONTROL_MASK) != 0)
 197                         gtk_editable_select_region(GTK_EDITABLE(sourcewin->text), 0, -1);
 198                 break;
 199         case GDK_W:
 200         case GDK_w:
 201                 if ((event->state & GDK_CONTROL_MASK) != 0)
 202                         gtk_widget_destroy(sourcewin->window);
 203                 break;
 204         case GDK_Escape:
 205                 gtk_widget_destroy(sourcewin->window);
 206                 break;
 207         }
 208
 209         return FALSE;
 210 }