src/sourcewindow.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2005 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         static GdkGeometry geometry;
  60
  61         debug_print("Creating source window...\n");
  62         sourcewin = g_new0(SourceWindow, 1);
  63
  64         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  65         gtk_window_set_title(GTK_WINDOW(window), _("Source of the message"));
  66         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
  67         gtk_widget_set_size_request(window, prefs_common.sourcewin_width,
  68                                     prefs_common.sourcewin_height);
  69
  70         if (!geometry.min_height) {
  71                 geometry.min_width = 400;
  72                 geometry.min_height = 320;
  73         }
  74         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
  75                                       GDK_HINT_MIN_SIZE);
  76
  77         g_signal_connect(G_OBJECT(window), "size_allocate",
  78                          G_CALLBACK(source_window_size_alloc_cb),
  79                          sourcewin);
  80         g_signal_connect(G_OBJECT(window), "destroy",
  81                          G_CALLBACK(source_window_destroy_cb),
  82                          sourcewin);
  83         g_signal_connect(G_OBJECT(window), "key_press_event",
  84                          G_CALLBACK(key_pressed), sourcewin);
  85         gtk_widget_realize(window);
  86
  87         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
  88         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
  89                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
  90         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
  91                                             GTK_SHADOW_IN);
  92         gtk_container_add(GTK_CONTAINER(window), scrolledwin);
  93         gtk_widget_show(scrolledwin);
  94
  95         text = gtk_text_view_new();
  96         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
  97         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
  98         if (!font_desc && prefs_common.textfont)
  99                 font_desc = pango_font_description_from_string
 100                                         (prefs_common.textfont);
 101         if (font_desc)
 102                 gtk_widget_modify_font(text, font_desc);
 103         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 104         gtk_widget_show(text);
 105
 106         sourcewin->window = window;
 107         sourcewin->scrolledwin = scrolledwin;
 108         sourcewin->text = text;
 109
 110         source_window_init();
 111
 112         return sourcewin;
 113 }
 114
 115 void source_window_show(SourceWindow *sourcewin)
 116 {
 117         gtk_widget_show_all(sourcewin->window);
 118 }
 119
 120 void source_window_destroy(SourceWindow *sourcewin)
 121 {
 122         g_free(sourcewin);
 123 }
 124
 125 void source_window_show_msg(SourceWindow *sourcewin, MsgInfo *msginfo)
 126 {
 127         gchar *file;
 128         gchar *title;
 129         FILE *fp;
 130         gchar buf[BUFFSIZE];
 131
 132         g_return_if_fail(msginfo != NULL);
 133
 134         file = procmsg_get_message_file(msginfo);
 135         g_return_if_fail(file != NULL);
 136
 137         if ((fp = fopen(file, "rb")) == NULL) {
 138                 FILE_OP_ERROR(file, "fopen");
 139                 g_free(file);
 140                 return;
 141         }
 142
 143         debug_print("Displaying the source of %s ...\n", file);
 144
 145         title = g_strdup_printf(_("%s - Source"), file);
 146         gtk_window_set_title(GTK_WINDOW(sourcewin->window), title);
 147         g_free(title);
 148         g_free(file);
 149
 150         while (fgets(buf, sizeof(buf), fp) != NULL)
 151                 source_window_append(sourcewin, buf);
 152
 153         fclose(fp);
 154 }
 155
 156 void source_window_append(SourceWindow *sourcewin, const gchar *str)
 157 {
 158         GtkTextView *text = GTK_TEXT_VIEW(sourcewin->text);
 159         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
 160         GtkTextIter iter;
 161         gchar *out;
 162         gint len;
 163
 164         len = strlen(str) + 1;
 165         Xalloca(out, len, return);
 166
 167         conv_localetodisp(out, len, str);
 168         if (!g_utf8_validate(out, -1, NULL)) {
 169                 gchar *buf;
 170                 gint buflen;
 171                 const gchar *src_codeset, *dest_codeset;
 172                 src_codeset = conv_get_current_charset_str();
 173                 dest_codeset = CS_UTF_8;
 174                 buf = conv_codeset_strdup(out, src_codeset, dest_codeset);
 175                 gtk_text_buffer_get_iter_at_offset(buffer, &iter, -1);
 176                 gtk_text_buffer_insert(buffer, &iter, buf, -1);
 177                 g_free(buf);
 178         } else {
 179                 gtk_text_buffer_get_iter_at_offset(buffer, &iter, -1);
 180                 gtk_text_buffer_insert(buffer, &iter, out, -1);
 181         }
 182 }
 183
 184 static void source_window_size_alloc_cb(GtkWidget *widget,
 185                                         GtkAllocation *allocation)
 186 {
 187         g_return_if_fail(allocation != NULL);
 188
 189         prefs_common.sourcewin_width  = allocation->width;
 190         prefs_common.sourcewin_height = allocation->height;
 191 }
 192
 193 static void source_window_destroy_cb(GtkWidget *widget,
 194                                      SourceWindow *sourcewin)
 195 {
 196         source_window_destroy(sourcewin);
 197 }
 198
 199 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
 200                             SourceWindow *sourcewin)
 201 {
 202
 203         if (!event || !sourcewin) return FALSE;
 204
 205         switch (event->keyval) {
 206         case GDK_A:
 207         case GDK_a:
 208                 if ((event->state & GDK_CONTROL_MASK) != 0)
 209                         gtk_editable_select_region(GTK_EDITABLE(sourcewin->text), 0, -1);
 210                 break;
 211         case GDK_W:
 212         case GDK_w:
 213                 if ((event->state & GDK_CONTROL_MASK) != 0)
 214                         gtk_widget_destroy(sourcewin->window);
 215                 break;
 216         case GDK_Escape:
 217                 gtk_widget_destroy(sourcewin->window);
 218                 break;
 219         }
 220
 221         return FALSE;
 222 }