2005-12-21 [colin] 1.9.100cvs101
[claws.git] / src / compose.c
index f9d5442e9a6509303917df6115c04438017bac16..cd06f1a19928dc4c49402ee26adf13593b278cec 100644 (file)
@@ -72,7 +72,9 @@
 #endif
 #include <signal.h>
 #include <errno.h>
+#ifndef G_OS_WIN32  /* fixme we should have a configure test. */
 #include <libgen.h>
+#endif
 
 #if (HAVE_WCTYPE_H && HAVE_WCHAR_H)
 #  include <wchar.h>
@@ -215,7 +217,8 @@ static gchar *compose_quote_fmt                     (Compose        *compose,
                                                 MsgInfo        *msginfo,
                                                 const gchar    *fmt,
                                                 const gchar    *qmark,
-                                                const gchar    *body);
+                                                const gchar    *body,
+                                                gboolean        rewrap);
 
 static void compose_reply_set_entry            (Compose        *compose,
                                                 MsgInfo        *msginfo,
@@ -816,6 +819,7 @@ static void compose_create_tags(GtkTextView *text, Compose *compose)
                                         "foreground-gdk", &uri_color,
                                         NULL);
        compose->no_wrap_tag = gtk_text_buffer_create_tag(buffer, "no_wrap", NULL);
+       compose->no_join_tag = gtk_text_buffer_create_tag(buffer, "no_join", NULL);
 }
 
 Compose *compose_new(PrefsAccount *account, const gchar *mailto,
@@ -926,6 +930,7 @@ Compose *compose_generic_new(PrefsAccount *account, const gchar *mailto, FolderI
        if (prefs_common.auto_exteditor)
                compose_exec_ext_editor(compose);
 
+       compose->modified = FALSE;
        compose_set_title(compose);
         return compose;
 }
@@ -1112,6 +1117,24 @@ static void compose_extract_original_charset(Compose *compose)
        }
 }
 
+#define SIGNAL_BLOCK(buffer) {                                 \
+       g_signal_handlers_block_by_func(G_OBJECT(buffer),       \
+                               G_CALLBACK(compose_changed_cb), \
+                               compose);                       \
+       g_signal_handlers_block_by_func(G_OBJECT(buffer),       \
+                               G_CALLBACK(text_inserted),      \
+                               compose);                       \
+}
+
+#define SIGNAL_UNBLOCK(buffer) {                               \
+       g_signal_handlers_unblock_by_func(G_OBJECT(buffer),     \
+                               G_CALLBACK(compose_changed_cb), \
+                               compose);                       \
+       g_signal_handlers_unblock_by_func(G_OBJECT(buffer),     \
+                               G_CALLBACK(text_inserted),      \
+                               compose);                       \
+}
+
 static Compose *compose_generic_reply(MsgInfo *msginfo, gboolean quote,
                                  gboolean to_all, gboolean to_ml,
                                  gboolean to_sender,
@@ -1198,17 +1221,21 @@ static Compose *compose_generic_reply(MsgInfo *msginfo, gboolean quote,
 
                compose_quote_fmt(compose, compose->replyinfo,
                                  prefs_common.quotefmt,
-                                 qmark, body);
+                                 qmark, body, FALSE);
        }
        if (procmime_msginfo_is_encrypted(compose->replyinfo)) {
                compose_force_encryption(compose, account, FALSE);
        }
 
+       SIGNAL_BLOCK(textbuf);
+       
        if (account->auto_sig)
                compose_insert_sig(compose, FALSE);
 
        compose_wrap_all(compose);
 
+       SIGNAL_UNBLOCK(textbuf);
+       
        gtk_widget_grab_focus(compose->text);
 
        undo_unblock(compose->undostruct);
@@ -1216,6 +1243,7 @@ static Compose *compose_generic_reply(MsgInfo *msginfo, gboolean quote,
        if (prefs_common.auto_exteditor)
                compose_exec_ext_editor(compose);
                
+       compose->modified = FALSE;
        compose_set_title(compose);
        return compose;
 }
@@ -1269,7 +1297,8 @@ Compose *compose_forward(PrefsAccount *account, MsgInfo *msginfo,
        textview = GTK_TEXT_VIEW(compose->text);
        textbuf = gtk_text_view_get_buffer(textview);
        compose_create_tags(textview, compose);
-
+       
+       undo_block(compose->undostruct);
        if (as_attach) {
                gchar *msgfile;
 
@@ -1297,17 +1326,21 @@ Compose *compose_forward(PrefsAccount *account, MsgInfo *msginfo,
 
                compose_quote_fmt(compose, full_msginfo,
                                  prefs_common.fw_quotefmt,
-                                 qmark, body);
+                                 qmark, body, FALSE);
                compose_attach_parts(compose, msginfo);
 
                procmsg_msginfo_free(full_msginfo);
        }
 
+       SIGNAL_BLOCK(textbuf);
+
        if (account->auto_sig)
                compose_insert_sig(compose, FALSE);
 
        compose_wrap_all(compose);
 
+       SIGNAL_UNBLOCK(textbuf);
+       
        gtk_text_buffer_get_start_iter(textbuf, &iter);
        gtk_text_buffer_place_cursor(textbuf, &iter);
 
@@ -1326,6 +1359,9 @@ Compose *compose_forward(PrefsAccount *account, MsgInfo *msginfo,
                g_free(folderidentifier);
        }
 
+       undo_unblock(compose->undostruct);
+       
+       compose->modified = FALSE;
        compose_set_title(compose);
         return compose;
 }
@@ -1369,7 +1405,8 @@ Compose *compose_forward_multiple(PrefsAccount *account, GSList *msginfo_list)
        textview = GTK_TEXT_VIEW(compose->text);
        textbuf = gtk_text_view_get_buffer(textview);
        compose_create_tags(textview, compose);
-
+       
+       undo_block(compose->undostruct);
        for (msginfo = msginfo_list; msginfo != NULL; msginfo = msginfo->next) {
                msgfile = procmsg_get_message_file_path((MsgInfo *)msginfo->data);
                if (!is_file_exist(msgfile))
@@ -1400,16 +1437,21 @@ Compose *compose_forward_multiple(PrefsAccount *account, GSList *msginfo_list)
                        _("Fw: multiple emails"));
        }
 
+       SIGNAL_BLOCK(textbuf);
+       
        if (account->auto_sig)
                compose_insert_sig(compose, FALSE);
 
        compose_wrap_all(compose);
 
+       SIGNAL_UNBLOCK(textbuf);
+       
        gtk_text_buffer_get_start_iter(textbuf, &iter);
        gtk_text_buffer_place_cursor(textbuf, &iter);
 
        gtk_widget_grab_focus(compose->header_last->entry);
-       
+       undo_unblock(compose->undostruct);
+       compose->modified = FALSE;
        compose_set_title(compose);
        return compose;
 }
@@ -1622,6 +1664,7 @@ void compose_reedit(MsgInfo *msginfo)
 
         if (prefs_common.auto_exteditor)
                compose_exec_ext_editor(compose);
+       compose->modified = FALSE;
        compose_set_title(compose);
 }
 
@@ -1673,7 +1716,7 @@ Compose *compose_redirect(PrefsAccount *account, MsgInfo *msginfo)
                                   msginfo->subject);
        gtk_editable_set_editable(GTK_EDITABLE(compose->subject_entry), FALSE);
 
-       compose_quote_fmt(compose, msginfo, "%M", NULL, NULL);
+       compose_quote_fmt(compose, msginfo, "%M", NULL, NULL, FALSE);
        gtk_text_view_set_editable(GTK_TEXT_VIEW(compose->text), FALSE);
 
        compose_colorize_signature(compose);
@@ -1701,6 +1744,7 @@ Compose *compose_redirect(PrefsAccount *account, MsgInfo *msginfo)
        gtk_widget_set_sensitive(compose->toolbar->linewrap_current_btn, FALSE);
        gtk_widget_set_sensitive(compose->toolbar->linewrap_all_btn, FALSE);
 
+       compose->modified = FALSE;
        compose_set_title(compose);
         return compose;
 }
@@ -2096,20 +2140,22 @@ static gchar *compose_parse_references(const gchar *ref, const gchar *msgid)
 
 static gchar *compose_quote_fmt(Compose *compose, MsgInfo *msginfo,
                                const gchar *fmt, const gchar *qmark,
-                               const gchar *body)
+                               const gchar *body, gboolean rewrap)
 {
        static MsgInfo dummyinfo;
        gchar *quote_str = NULL;
        gchar *buf;
-       gchar *p, *lastp;
-       gint len;
        gboolean prev_autowrap;
        const gchar *trimmed_body = body;
-       gint cursor_pos = 0;
+       gint cursor_pos = -1;
        GtkTextView *text = GTK_TEXT_VIEW(compose->text);
        GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
        GtkTextIter iter;
+       GtkTextMark *mark;
        
+
+       SIGNAL_BLOCK(buffer);
+
        if (!msginfo)
                msginfo = &dummyinfo;
 
@@ -2122,7 +2168,7 @@ static gchar *compose_quote_fmt(Compose *compose, MsgInfo *msginfo,
                if (buf == NULL)
                        alertpanel_error(_("Quote mark format error."));
                else
-                       Xstrdup_a(quote_str, buf, return NULL)
+                       Xstrdup_a(quote_str, buf, goto error)
        }
 
        if (fmt && *fmt != '\0') {
@@ -2137,7 +2183,7 @@ static gchar *compose_quote_fmt(Compose *compose, MsgInfo *msginfo,
                buf = quote_fmt_get_buffer();
                if (buf == NULL) {
                        alertpanel_error(_("Message reply/forward format error."));
-                       return NULL;
+                       goto error;
                }
        } else
                buf = "";
@@ -2145,57 +2191,43 @@ static gchar *compose_quote_fmt(Compose *compose, MsgInfo *msginfo,
        prev_autowrap = compose->autowrap;
        compose->autowrap = FALSE;
 
-       g_signal_handlers_block_by_func(G_OBJECT(buffer),
-                               G_CALLBACK(compose_changed_cb),
-                               compose);
-       g_signal_handlers_block_by_func(G_OBJECT(buffer),
-                               G_CALLBACK(text_inserted),
-                               compose);
-       for (p = buf; *p != '\0'; ) {
-               GtkTextMark *mark;
-               
-               mark = gtk_text_buffer_get_insert(buffer);
-               gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
-
-               lastp = strchr(p, '\n');
-               len = lastp ? lastp - p + 1 : -1;
-
-               if (g_utf8_validate(p, -1, NULL)) { 
-                       gtk_text_buffer_insert(buffer, &iter, p, len);
-               } else {
-                       gchar *tmpin = g_strdup(p);
-                       gchar *tmpout = NULL;
-                       tmpin[len] = '\0';
-                       tmpout = conv_codeset_strdup
-                               (tmpin, conv_get_locale_charset_str(),
-                                CS_INTERNAL);
-                       gtk_text_buffer_insert(buffer, &iter, tmpout, -1);
-                       g_free(tmpin);
+       mark = gtk_text_buffer_get_insert(buffer);
+       gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
+       if (g_utf8_validate(buf, -1, NULL)) { 
+               gtk_text_buffer_insert(buffer, &iter, buf, -1);
+       } else {
+               gchar *tmpout = NULL;
+               tmpout = conv_codeset_strdup
+                       (buf, conv_get_locale_charset_str(),
+                        CS_INTERNAL);
+               if (!tmpout || !g_utf8_validate(tmpout, -1, NULL)) {
                        g_free(tmpout);
+                       tmpout = g_malloc(strlen(buf)*2+1);
+                       conv_localetodisp(tmpout, strlen(buf)*2+1, buf);
                }
-
-               if (lastp)
-                       p = lastp + 1;
-               else
-                       break;
+               gtk_text_buffer_insert(buffer, &iter, tmpout, -1);
+               g_free(tmpout);
        }
 
        cursor_pos = quote_fmt_get_cursor_pos();
+       compose->set_cursor_pos = cursor_pos;
+       if (cursor_pos == -1) {
+               cursor_pos = 0;
+       }
        gtk_text_buffer_get_start_iter(buffer, &iter);
        gtk_text_buffer_get_iter_at_offset(buffer, &iter, cursor_pos);
        gtk_text_buffer_place_cursor(buffer, &iter);
-       compose->set_cursor_pos = cursor_pos;
 
        compose->autowrap = prev_autowrap;
-       if (compose->autowrap)
+       if (compose->autowrap && rewrap)
                compose_wrap_all(compose);
 
-       g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
-                               G_CALLBACK(compose_changed_cb),
-                               compose);
-       g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
-                               G_CALLBACK(text_inserted),
-                               compose);
+       goto ok;
+
+error:
+       buf = NULL;
+ok:
+       SIGNAL_UNBLOCK(buffer);
 
 
        return buf;
@@ -2529,7 +2561,7 @@ static void compose_insert_sig(Compose *compose, gboolean replace)
 
        /* put the cursor where it should be 
         * either where the quote_fmt says, either before the signature */
-       if (compose->set_cursor_pos <= 0)
+       if (compose->set_cursor_pos < 0)
                gtk_text_buffer_get_iter_at_offset(buffer, &iter, cur_pos);
        else
                gtk_text_buffer_get_iter_at_offset(buffer, &iter, 
@@ -3158,8 +3190,14 @@ static gboolean compose_join_next_line(Compose *compose,
        if (quote_len > 0)
                gtk_text_buffer_delete(buffer, &iter_, &end);
 
-       /* delete linebreak and extra spaces */
+       /* don't join line breaks put by the user */
        prev = cur = iter_;
+       gtk_text_iter_backward_char(&cur);
+       if (gtk_text_iter_has_tag(&cur, compose->no_join_tag)) {
+               return FALSE;
+       }
+       gtk_text_iter_forward_char(&cur);
+       /* delete linebreak and extra spaces */
        while (gtk_text_iter_backward_char(&cur)) {
                wc1 = gtk_text_iter_get_char(&cur);
                if (!g_unichar_isspace(wc1))
@@ -3231,9 +3269,7 @@ static void compose_beautify_paragraph(Compose *compose, GtkTextIter *par_iter,
        compose->autowrap = FALSE;
 
        buffer = gtk_text_view_get_buffer(text);
-
-       undo_block(compose->undostruct);
-       
+       undo_wrapping(compose->undostruct, TRUE);
        if (par_iter) {
                iter = *par_iter;
        } else {
@@ -3355,6 +3391,10 @@ static void compose_beautify_paragraph(Compose *compose, GtkTextIter *par_iter,
 
                        /* move iter to current line start */
                        gtk_text_iter_set_line_offset(&iter, 0);
+                       if (quote_str) {
+                               g_free(quote_str);
+                               quote_str = NULL;
+                       }
                        continue;
                } else {
                        /* move iter to next line start */
@@ -3445,11 +3485,16 @@ colorize:
 
        if (par_iter)
                *par_iter = iter;
-
-       undo_unblock(compose->undostruct);
+       undo_wrapping(compose->undostruct, FALSE);
        compose->autowrap = prev_autowrap;
 }
 
+void compose_action_cb(void *data)
+{
+       Compose *compose = (Compose *)data;
+       compose_wrap_all(compose);
+}
+
 static void compose_wrap_all(Compose *compose)
 {
        compose_wrap_all_full(compose, FALSE);
@@ -3463,13 +3508,10 @@ static void compose_wrap_all_full(Compose *compose, gboolean force)
 
        buffer = gtk_text_view_get_buffer(text);
 
-       undo_block(compose->undostruct);
-
        gtk_text_buffer_get_start_iter(buffer, &iter);
        while (!gtk_text_iter_is_end(&iter))
                compose_beautify_paragraph(compose, &iter, force);
 
-       undo_unblock(compose->undostruct);
 }
 
 static void compose_set_title(Compose *compose)
@@ -3724,6 +3766,7 @@ gint compose_send(Compose *compose)
                                   "the main window to retry."));
                if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
                        compose->sending = FALSE;
+                       compose->modified = TRUE; 
                        compose_allow_user_actions (compose, TRUE);
                }
                return 0;
@@ -3753,6 +3796,7 @@ gint compose_send(Compose *compose)
                                   "the main window to retry."));
                if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
                        compose_allow_user_actions (compose, TRUE);
+                       compose->modified = TRUE; 
                        compose->sending = FALSE;               
                }
                return -1;
@@ -3763,6 +3807,7 @@ gint compose_send(Compose *compose)
 bail:
        compose_allow_user_actions (compose, TRUE);
        compose->sending = FALSE;
+       compose->modified = TRUE; 
 
        return -1;
 }
@@ -3988,6 +4033,7 @@ static gint compose_write_to_file(Compose *compose, FILE *fp, gint action)
         mimemsg->type = MIMETYPE_MESSAGE;
         mimemsg->subtype = g_strdup("rfc822");
        mimemsg->content = MIMECONTENT_MEM;
+       mimemsg->tmp = TRUE; /* must free content later */
        mimemsg->data.mem = compose_get_header(compose);
 
        /* Create text part MimeInfo */
@@ -4092,6 +4138,7 @@ static gint compose_write_to_file(Compose *compose, FILE *fp, gint action)
 
        mimetext = procmime_mimeinfo_new();
        mimetext->content = MIMECONTENT_MEM;
+       mimetext->tmp = TRUE; /* must free content later */
        mimetext->data.mem = buf;
        mimetext->type = MIMETYPE_TEXT;
        mimetext->subtype = g_strdup("plain");
@@ -4495,6 +4542,7 @@ static void compose_add_attachments(Compose *compose, MimeInfo *parent)
                mimepart = procmime_mimeinfo_new();
                mimepart->content = MIMECONTENT_FILE;
                mimepart->data.filename = g_strdup(ainfo->file);
+               mimepart->tmp = FALSE; /* or we destroy our attachment */
                mimepart->offset = 0;
 
                stat(ainfo->file, &statbuf);
@@ -6008,7 +6056,7 @@ static void compose_template_apply(Compose *compose, Template *tmpl,
 
        if ((compose->replyinfo == NULL) && (compose->fwdinfo == NULL)) {
                parsed_str = compose_quote_fmt(compose, NULL, tmpl->value,
-                                              NULL, NULL);
+                                              NULL, NULL, FALSE);
        } else {
                if (prefs_common.quotemark && *prefs_common.quotemark)
                        qmark = prefs_common.quotemark;
@@ -6017,10 +6065,10 @@ static void compose_template_apply(Compose *compose, Template *tmpl,
 
                if (compose->replyinfo != NULL)
                        parsed_str = compose_quote_fmt(compose, compose->replyinfo,
-                                                      tmpl->value, qmark, NULL);
+                                                      tmpl->value, qmark, NULL, FALSE);
                else if (compose->fwdinfo != NULL)
                        parsed_str = compose_quote_fmt(compose, compose->fwdinfo,
-                                                      tmpl->value, qmark, NULL);
+                                                      tmpl->value, qmark, NULL, FALSE);
                else
                        parsed_str = NULL;
        }
@@ -6035,10 +6083,12 @@ static void compose_template_apply(Compose *compose, Template *tmpl,
        
        if (parsed_str) {
                cursor_pos = quote_fmt_get_cursor_pos();
+               compose->set_cursor_pos = cursor_pos;
+               if (cursor_pos == -1)
+                       cursor_pos = 0;
                gtk_text_buffer_get_start_iter(buffer, &iter);
                gtk_text_buffer_get_iter_at_offset(buffer, &iter, cursor_pos);
                gtk_text_buffer_place_cursor(buffer, &iter);
-               compose->set_cursor_pos = cursor_pos;
        }
 
        if (parsed_str)
@@ -6375,11 +6425,17 @@ static void compose_attach_property_create(gboolean *cancelled)
        strlist = NULL;
        for (; mime_type_list != NULL; mime_type_list = mime_type_list->next) {
                MimeType *type = (MimeType *) mime_type_list->data;
-               strlist = g_list_append(strlist, 
-                               g_strdup_printf("%s/%s",
-                                       type->type, type->sub_type));
+               gchar *tmp;
+
+               tmp = g_strdup_printf("%s/%s", type->type, type->sub_type);
+
+               if (g_list_find_custom(strlist, tmp, (GCompareFunc)strcmp2))
+                       g_free(tmp);
+               else
+                       strlist = g_list_insert_sorted(strlist, (gpointer)tmp,
+                                       (GCompareFunc)strcmp2);
        }
-       
+
        gtk_combo_set_popdown_strings(GTK_COMBO(mimetype_entry), strlist);
 
        for (mime_type_list = strlist; mime_type_list != NULL; 
@@ -8040,15 +8096,21 @@ static void text_inserted(GtkTextBuffer *buffer, GtkTextIter *iter,
                mark = gtk_text_buffer_create_mark(buffer, NULL, iter, FALSE);
                gtk_text_buffer_place_cursor(buffer, iter);
 
-               compose_quote_fmt(compose, NULL, "%Q", qmark, new_text);
+               compose_quote_fmt(compose, NULL, "%Q", qmark, new_text, TRUE);
                g_free(new_text);
                g_object_set_data(G_OBJECT(compose->text), "paste_as_quotation",
                                  GINT_TO_POINTER(paste_as_quotation - 1));
                                  
                gtk_text_buffer_get_iter_at_mark(buffer, iter, mark);
-       } else
-               gtk_text_buffer_insert(buffer, iter, text, len);
-
+               gtk_text_buffer_place_cursor(buffer, iter);
+       } else {
+               if (strcmp(text, "\n"))
+                       gtk_text_buffer_insert(buffer, iter, text, len);
+               else
+                       gtk_text_buffer_insert_with_tags_by_name(buffer, 
+                               iter, text, len, "no_join", NULL);
+       }
+       
        mark = gtk_text_buffer_create_mark(buffer, NULL, iter, FALSE);
        
        compose_beautify_paragraph(compose, iter, FALSE);