src/sourcewindow.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
   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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkwindow.h>
  27 #include <gtk/gtksignal.h>
  28 #include <gtk/gtkscrolledwindow.h>
  29 #include <gtk/gtktext.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33
  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 gint source_window_delete_cb     (GtkWidget      *widget,
  42                                          GdkEventAny    *event,
  43                                          SourceWindow   *sourcewin);
  44 static gboolean key_pressed             (GtkWidget      *widget,
  45                                          GdkEventKey    *event,
  46                                          SourceWindow   *sourcewin);
  47
  48 static void source_window_init()
  49 {
  50 }
  51
  52 SourceWindow *source_window_create(void)
  53 {
  54         SourceWindow *sourcewin;
  55         GtkWidget *window;
  56         GtkWidget *scrolledwin;
  57         GtkWidget *text;
  58         static PangoFontDescription *font_desc = NULL;
  59
  60         static GdkGeometry geometry;
  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_resizable(GTK_WINDOW(window), TRUE);
  68         gtk_widget_set_size_request(window, prefs_common.sourcewin_width,
  69                                     prefs_common.sourcewin_height);
  70
  71         if (!geometry.min_height) {
  72                 geometry.min_width = 400;
  73                 geometry.min_height = 320;
  74         }
  75         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
  76                                       GDK_HINT_MIN_SIZE);
  77
  78         g_signal_connect(G_OBJECT(window), "size_allocate",
  79                          G_CALLBACK(source_window_size_alloc_cb),
  80                          sourcewin);
  81         g_signal_connect(G_OBJECT(window), "delete_event",
  82                          G_CALLBACK(source_window_delete_cb), 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_AUTOMATIC,
  90                                        GTK_POLICY_AUTOMATIC);
  91         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
  92                                             GTK_SHADOW_IN);
  93         gtk_container_add(GTK_CONTAINER(window), scrolledwin);
  94         gtk_widget_show(scrolledwin);
  95
  96         text = gtk_text_view_new();
  97         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
  98         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
  99         if (!font_desc && prefs_common.textfont)
 100                 font_desc = pango_font_description_from_string
 101                                         (prefs_common.textfont);
 102         if (font_desc)
 103                 gtk_widget_modify_font(text, font_desc);
 104         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 105         gtk_widget_show(text);
 106
 107         sourcewin->window = window;
 108         sourcewin->scrolledwin = scrolledwin;
 109         sourcewin->text = text;
 110
 111         source_window_init();
 112
 113         return sourcewin;
 114 }
 115
 116 void source_window_show(SourceWindow *sourcewin)
 117 {
 118         gtk_widget_show_all(sourcewin->window);
 119 }
 120
 121 void source_window_destroy(SourceWindow *sourcewin)
 122 {
 123         gtk_widget_destroy(sourcewin->window);
 124         g_free(sourcewin);
 125 }
 126
 127 void source_window_show_msg(SourceWindow *sourcewin, MsgInfo *msginfo)
 128 {
 129         gchar *file;
 130         gchar *title;
 131         FILE *fp;
 132         gchar buf[BUFFSIZE];
 133
 134         g_return_if_fail(msginfo != NULL);
 135
 136         file = procmsg_get_message_file(msginfo);
 137         g_return_if_fail(file != NULL);
 138
 139         if ((fp = g_fopen(file, "rb")) == NULL) {
 140                 FILE_OP_ERROR(file, "fopen");
 141                 g_free(file);
 142                 return;
 143         }
 144
 145         debug_print("Displaying the source of %s ...\n", file);
 146
 147         title = g_strdup_printf(_("%s - Source"), file);
 148         gtk_window_set_title(GTK_WINDOW(sourcewin->window), title);
 149         g_free(title);
 150         g_free(file);
 151
 152         while (fgets(buf, sizeof(buf), fp) != NULL)
 153                 source_window_append(sourcewin, buf);
 154
 155         fclose(fp);
 156 }
 157
 158 void source_window_append(SourceWindow *sourcewin, const gchar *str)
 159 {
 160         GtkTextView *text = GTK_TEXT_VIEW(sourcewin->text);
 161         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
 162         GtkTextIter iter;
 163         gchar *out;
 164         gint len;
 165
 166         len = strlen(str) + 1;
 167         Xalloca(out, len, return);
 168         conv_utf8todisp(out, len, str);
 169
 170         gtk_text_buffer_get_iter_at_offset(buffer, &iter, -1);
 171         gtk_text_buffer_insert(buffer, &iter, out, -1);
 172 }
 173
 174 static void source_window_size_alloc_cb(GtkWidget *widget,
 175                                         GtkAllocation *allocation)
 176 {
 177         g_return_if_fail(allocation != NULL);
 178
 179         prefs_common.sourcewin_width  = allocation->width;
 180         prefs_common.sourcewin_height = allocation->height;
 181 }
 182
 183 static gint source_window_delete_cb(GtkWidget *widget, GdkEventAny *event,
 184                                     SourceWindow *sourcewin)
 185 {
 186         source_window_destroy(sourcewin);
 187         return TRUE;
 188 }
 189
 190 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
 191                             SourceWindow *sourcewin)
 192 {
 193
 194         if (!event || !sourcewin) return FALSE;
 195
 196         switch (event->keyval) {
 197         case GDK_A:
 198         case GDK_a:
 199                 if ((event->state & GDK_CONTROL_MASK) != 0)
 200                         gtk_editable_select_region(GTK_EDITABLE(sourcewin->text), 0, -1);
 201                 break;
 202         case GDK_W:
 203         case GDK_w:
 204                 if ((event->state & GDK_CONTROL_MASK) != 0)
 205                         gtk_widget_destroy(sourcewin->window);
 206                 break;
 207         case GDK_Escape:
 208                 source_window_destroy(sourcewin);
 209                 return TRUE;
 210                 break;
 211         }
 212
 213         return FALSE;
 214 }