4c8b1c6285694a7760ee9d7bd277dc97f464d534
[claws.git] / 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 }