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_resizable(GTK_WINDOW(window), TRUE);
  65         gtk_widget_set_size_request(window, prefs_common.sourcewin_width,
  66                                     prefs_common.sourcewin_height);
  67         g_signal_connect(G_OBJECT(window), "size_allocate",
  68                          G_CALLBACK(source_window_size_alloc_cb),
  69                          sourcewin);
  70         g_signal_connect(G_OBJECT(window), "destroy",
  71                          G_CALLBACK(source_window_destroy_cb),
  72                          sourcewin);
  73         g_signal_connect(G_OBJECT(window), "key_press_event",
  74                          G_CALLBACK(key_pressed), sourcewin);
  75         gtk_widget_realize(window);
  76
  77         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
  78         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
  79                                        GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
  80         gtk_container_add(GTK_CONTAINER(window), scrolledwin);
  81         gtk_widget_show(scrolledwin);
  82
  83         text = gtk_text_view_new();
  84         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
  85         if (!font_desc && prefs_common.textfont)
  86                 font_desc = pango_font_description_from_string
  87                                         (prefs_common.textfont);
  88         if (font_desc)
  89                 gtk_widget_modify_font(text, font_desc);
  90         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
  91         gtk_widget_show(text);
  92
  93         sourcewin->window = window;
  94         sourcewin->scrolledwin = scrolledwin;
  95         sourcewin->text = text;
  96
  97         source_window_init();
  98
  99         return sourcewin;
 100 }
 101
 102 void source_window_show(SourceWindow *sourcewin)
 103 {
 104         gtk_widget_show_all(sourcewin->window);
 105 }
 106
 107 void source_window_destroy(SourceWindow *sourcewin)
 108 {
 109         g_free(sourcewin);
 110 }
 111
 112 void source_window_show_msg(SourceWindow *sourcewin, MsgInfo *msginfo)
 113 {
 114         gchar *file;
 115         gchar *title;
 116         FILE *fp;
 117         gchar buf[BUFFSIZE];
 118
 119         g_return_if_fail(msginfo != NULL);
 120
 121         file = procmsg_get_message_file(msginfo);
 122         g_return_if_fail(file != NULL);
 123
 124         if ((fp = fopen(file, "rb")) == NULL) {
 125                 FILE_OP_ERROR(file, "fopen");
 126                 g_free(file);
 127                 return;
 128         }
 129
 130         debug_print("Displaying the source of %s ...\n", file);
 131
 132         title = g_strdup_printf(_("%s - Source"), file);
 133         gtk_window_set_title(GTK_WINDOW(sourcewin->window), title);
 134         g_free(title);
 135         g_free(file);
 136
 137         while (fgets(buf, sizeof(buf), fp) != NULL)
 138                 source_window_append(sourcewin, buf);
 139
 140         fclose(fp);
 141 }
 142
 143 void source_window_append(SourceWindow *sourcewin, const gchar *str)
 144 {
 145         GtkTextView *text = GTK_TEXT_VIEW(sourcewin->text);
 146         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
 147         GtkTextIter iter;
 148         gchar *out;
 149         gint len;
 150
 151         len = strlen(str) + 1;
 152         Xalloca(out, len, return);
 153
 154         conv_localetodisp(out, len, str);
 155         if (!g_utf8_validate(out, -1, NULL)) {
 156                 gchar *buf;
 157                 gint buflen;
 158                 const gchar *src_codeset, *dest_codeset;
 159                 src_codeset = conv_get_current_charset_str();
 160                 dest_codeset = CS_UTF_8;
 161                 buf = conv_codeset_strdup(out, src_codeset, dest_codeset);
 162                 gtk_text_buffer_get_iter_at_offset(buffer, &iter, -1);
 163                 gtk_text_buffer_insert(buffer, &iter, buf, -1);
 164                 g_free(buf);
 165         } else {
 166                 gtk_text_buffer_get_iter_at_offset(buffer, &iter, -1);
 167                 gtk_text_buffer_insert(buffer, &iter, out, -1);
 168         }
 169 }
 170
 171 static void source_window_size_alloc_cb(GtkWidget *widget,
 172                                         GtkAllocation *allocation)
 173 {
 174         g_return_if_fail(allocation != NULL);
 175
 176         prefs_common.sourcewin_width  = allocation->width;
 177         prefs_common.sourcewin_height = allocation->height;
 178 }
 179
 180 static void source_window_destroy_cb(GtkWidget *widget,
 181                                      SourceWindow *sourcewin)
 182 {
 183         source_window_destroy(sourcewin);
 184 }
 185
 186 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
 187                             SourceWindow *sourcewin)
 188 {
 189
 190         if (!event || !sourcewin) return FALSE;
 191
 192         switch (event->keyval) {
 193         case GDK_A:
 194         case GDK_a:
 195                 if ((event->state & GDK_CONTROL_MASK) != 0)
 196                         gtk_editable_select_region(GTK_EDITABLE(sourcewin->text), 0, -1);
 197                 break;
 198         case GDK_W:
 199         case GDK_w:
 200                 if ((event->state & GDK_CONTROL_MASK) != 0)
 201                         gtk_widget_destroy(sourcewin->window);
 202                 break;
 203         case GDK_Escape:
 204                 gtk_widget_destroy(sourcewin->window);
 205                 break;
 206         }
 207
 208         return FALSE;
 209 }