re-implement per-folder message threading
[claws.git] / src / sourcewindow.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2001 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_destroy_cb    (GtkWidget      *widget,
40                                          SourceWindow   *sourcewin);
41 static void key_pressed                 (GtkWidget      *widget,
42                                          GdkEventKey    *event,
43                                          SourceWindow   *sourcewin);
44
45 static GdkFont *msgfont = NULL;
46
47 static void source_window_init()
48 {
49         if (!msgfont && prefs_common.textfont)
50                 msgfont = gtkut_font_load(prefs_common.textfont);
51 }
52
53 SourceWindow *source_window_create(void)
54 {
55         SourceWindow *sourcewin;
56         GtkWidget *window;
57         GtkWidget *scrolledwin;
58         GtkWidget *text;
59
60         debug_print("Creating source window...\n");
61         sourcewin = g_new0(SourceWindow, 1);
62
63         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
64         gtk_window_set_title(GTK_WINDOW(window), _("Source of the message"));
65         gtk_window_set_wmclass(GTK_WINDOW(window), "source_window", "Sylpheed");
66         gtk_window_set_policy(GTK_WINDOW(window), TRUE, TRUE, FALSE);
67         gtk_widget_set_usize(window, 600, 500);
68         gtk_signal_connect(GTK_OBJECT(window), "destroy",
69                            GTK_SIGNAL_FUNC(source_window_destroy_cb),
70                            sourcewin);
71         gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
72                            GTK_SIGNAL_FUNC(key_pressed), sourcewin);
73         gtk_widget_realize(window);
74
75         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
76         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
77                                        GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
78         gtk_container_add(GTK_CONTAINER(window), scrolledwin);
79         gtk_widget_show(scrolledwin);
80
81         text = gtk_text_new(gtk_scrolled_window_get_hadjustment
82                             (GTK_SCROLLED_WINDOW(scrolledwin)),
83                             gtk_scrolled_window_get_vadjustment
84                             (GTK_SCROLLED_WINDOW(scrolledwin)));
85         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
86         gtk_widget_show(text);
87
88         sourcewin->window = window;
89         sourcewin->scrolledwin = scrolledwin;
90         sourcewin->text = text;
91
92         source_window_init();
93
94         return sourcewin;
95 }
96
97 void source_window_show(SourceWindow *sourcewin)
98 {
99         gtk_widget_show_all(sourcewin->window);
100 }
101
102 void source_window_destroy(SourceWindow *sourcewin)
103 {
104         g_free(sourcewin);
105 }
106
107 void source_window_show_msg(SourceWindow *sourcewin, MsgInfo *msginfo)
108 {
109         gchar *file;
110         gchar *title;
111         FILE *fp;
112         gchar buf[BUFFSIZE];
113
114         g_return_if_fail(msginfo != NULL);
115
116         file = procmsg_get_message_file(msginfo);
117         g_return_if_fail(file != NULL);
118
119         if ((fp = fopen(file, "rb")) == NULL) {
120                 FILE_OP_ERROR(file, "fopen");
121                 g_free(file);
122                 return;
123         }
124
125         debug_print("Displaying the source of %s ...\n", file);
126
127         title = g_strdup_printf(_("%s - Source"), file);
128         gtk_window_set_title(GTK_WINDOW(sourcewin->window), title);
129         g_free(title);
130         g_free(file);
131
132         gtk_text_freeze(GTK_TEXT(sourcewin->text));
133
134         while (fgets(buf, sizeof(buf), fp) != NULL)
135                 source_window_append(sourcewin, buf);
136
137         gtk_text_thaw(GTK_TEXT(sourcewin->text));
138
139         fclose(fp);
140 }
141
142 void source_window_append(SourceWindow *sourcewin, const gchar *str)
143 {
144         gtk_text_insert(GTK_TEXT(sourcewin->text), msgfont, NULL, NULL,
145                         str, -1);
146 }
147
148 static void source_window_destroy_cb(GtkWidget *widget,
149                                      SourceWindow *sourcewin)
150 {
151         source_window_destroy(sourcewin);
152 }
153
154 static void key_pressed(GtkWidget *widget, GdkEventKey *event,
155                         SourceWindow *sourcewin)
156 {
157         if (event && event->keyval == GDK_Escape)
158                 gtk_widget_destroy(sourcewin->window);
159 }