6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@ethereal.com>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
33 #include "gtkglobals.h"
35 #include "capture_file_dlg.h"
37 #include "compat_macros.h"
39 #include "simple_dialog.h"
44 #include <epan/prefs.h>
50 enum { DND_TARGET_STRING, DND_TARGET_ROOTWIN, DND_TARGET_URL };
52 /* convert drag and drop URI to a local filename */
54 dnd_uri2filename(gchar *cf_name)
63 * we have to remove the prefix to get a valid filename. */
66 * On win32 (at least WinXP), this prefix looks like (UNC):
67 * file:////servername/sharename/dir1/dir2/capture-file.cap
68 * or (local filename):
69 * file:///d:/dir1/dir2/capture-file.cap
71 if (strncmp("file:////", cf_name, 9) == 0) {
72 /* win32 UNC: now becoming: //servername/sharename/dir1/dir2/capture-file.cap */
74 } else if (strncmp("file:///", cf_name, 8) == 0) {
75 /* win32 local: now becoming: d:/dir1/dir2/capture-file.cap */
80 * On UNIX (at least KDE 3.0 Konqueror), this prefix looks like:
81 * file:/dir1/dir2/capture-file.cap
83 * On UNIX (at least GNOME Nautilus 2.8.2), this prefix looks like:
84 * file:///dir1/dir2/capture-file.cap
86 if (strncmp("file:", cf_name, 5) == 0) {
87 /* now becoming: /dir1/dir2/capture-file.cap or ///dir1/dir2/capture-file.cap */
89 /* shorten //////thing to /thing */
90 for(; cf_name[1] == '/'; ++cf_name);
95 * unescape the escaped URI characters (spaces, ...)
97 * we have to replace escaped chars to their equivalents,
98 * e.g. %20 (always a two digit hexstring) -> ' '
99 * the percent character '%' is escaped be a double one "%%"
101 * we do this conversation "in place" as the result is always
102 * equal or smaller in size.
110 /* this is an escaped '%' char (was: "%%") */
115 /* convert escaped hexnumber to unscaped character */
119 ret = sscanf(esc, "%x", &i);
125 /* somethings wrong, just jump over that char
126 * this will result in a wrong string, but we might get
127 * user feedback and can fix it later ;-) */
143 dnd_merge_files(int in_file_count, char **in_filenames)
146 cf_status_t merge_status;
149 /* merge the files in chonological order */
151 merge_status = cf_merge_files(&tmpname, in_file_count, in_filenames,
152 WTAP_FILE_PCAP, FALSE);
154 if (merge_status != CF_OK) {
162 /* Try to open the merged capture file. */
163 if (cf_open(&cfile, tmpname, TRUE /* temporary file */, &err) != CF_OK) {
164 /* We couldn't open it; don't dismiss the open dialog box,
165 just leave it around so that the user can, after they
166 dismiss the alert box popped up for the open error,
173 switch (cf_read(&cfile)) {
177 /* Just because we got an error, that doesn't mean we were unable
178 to read any of the file; we handle what we could get from the
182 case CF_READ_ABORTED:
183 /* The user bailed out of re-reading the capture file; the
184 capture file has been closed - just free the capture file name
185 string and return (without changing the last containing
190 gtk_widget_grab_focus(packet_list);
193 /* open/merge the dnd file */
195 dnd_open_file_cmd(gchar *cf_names_freeme)
201 GString *dialog_text;
206 /* DND_TARGET_URL on Win32:
207 * The cf_name_freeme is a single string, containing one or more URI's,
208 * seperated by CR/NL chars. The length of the whole field can be found
209 * in the selection_data->length field. If it contains one file, simply open it,
210 * If it contains more than one file, ask to merge these files. */
212 /* count the number of input files */
213 cf_name = cf_names_freeme;
214 for(in_files = 0; (cf_name = strstr(cf_name, "\r\n")) != NULL; ) {
219 in_filenames = g_malloc(sizeof(char*) * in_files);
221 /* store the starts of the file entries in a gchar array */
222 cf_name = cf_names_freeme;
223 in_filenames[0] = cf_name;
224 for(files_work = 1; (cf_name = strstr(cf_name, "\r\n")) != NULL && files_work < in_files; ) {
226 in_filenames[files_work] = cf_name;
230 /* replace trailing CR NL simply with zeroes (in place), so we get valid terminated strings */
231 cf_name = cf_names_freeme;
232 g_strdelimit(cf_name, "\r\n", '\0');
234 /* convert all filenames from URI to local filename (in place) */
235 for(files_work = 0; files_work < in_files; files_work++) {
236 in_filenames[files_work] = dnd_uri2filename(in_filenames[files_work]);
241 /* shouldn't happen */
244 /* open and read the capture file (this will close an existing file) */
245 if (cf_open(&cfile, in_filenames[0], FALSE, &err) == CF_OK) {
246 /* XXX - add this to the menu if the read fails? */
248 add_menu_recent_capture_file(in_filenames[0]);
250 /* the capture file couldn't be read (doesn't exist, file format unknown, ...) */
254 /* build and show the info dialog */
255 dialog_text = g_string_sized_new(200);
256 g_string_append(dialog_text, PRIMARY_TEXT_START
257 "Merging the following files:" PRIMARY_TEXT_END "\n\n");
258 for(files_work = 0; files_work < in_files; files_work++) {
259 g_string_append(dialog_text, in_filenames[files_work]);
260 g_string_append(dialog_text, "\n");
262 g_string_append(dialog_text, "\nThe packets in these files will be merged chronologically into a new temporary file.");
263 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
266 g_string_free(dialog_text, TRUE);
268 /* actually merge the files now */
269 dnd_merge_files(in_files, in_filenames);
272 g_free(in_filenames);
273 g_free(cf_names_freeme);
276 /* ask the user to save current unsaved file, before opening the dnd file */
278 dnd_save_file_answered_cb(gpointer dialog _U_, gint btn, gpointer data)
282 /* save file first */
283 file_save_as_cmd(after_save_open_dnd_file, data);
285 case(ESD_BTN_DONT_SAVE):
287 dnd_open_file_cmd(data);
289 case(ESD_BTN_CANCEL):
292 g_assert_not_reached();
297 /* we have received some drag and drop data */
298 /* (as we only registered to "text/uri-list", we will only get a file list here) */
300 dnd_data_received(GtkWidget *widget _U_, GdkDragContext *dc _U_, gint x _U_, gint y _U_,
301 GtkSelectionData *selection_data, guint info, guint t _U_, gpointer data _U_)
304 gchar *cf_names_freeme;
306 if (info == DND_TARGET_URL) {
307 /* Usually we block incoming events by disabling the corresponding menu/toolbar items.
308 * This is the only place where an incoming event won't be blocked in such a way,
309 * so we have to take care of NOT loading a new file while a different process
310 * (e.g. capture/load/...) is still in progress. */
313 /* if a capture is running, do nothing but warn the user */
314 if((capture_opts->state != CAPTURE_STOPPED)) {
315 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
317 PRIMARY_TEXT_START "Drag and Drop currently not possible!" PRIMARY_TEXT_END "\n\n"
318 "Dropping a file isn't possible while a capture is in progress.");
323 /* if another file read is still in progress, do nothing but warn the user */
324 if((cfile.state == FILE_READ_IN_PROGRESS)) {
325 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
327 PRIMARY_TEXT_START "Drag and Drop currently not possible!" PRIMARY_TEXT_END "\n\n"
328 "Dropping a file isn't possible while loading another capture file.");
332 /* the selection_data will soon be gone, make a copy first */
333 /* the data string is not zero terminated -> make a zero terminated "copy" of it */
334 cf_names_freeme = g_malloc(selection_data->length + 1);
335 memcpy(cf_names_freeme, selection_data->data, selection_data->length);
336 cf_names_freeme[selection_data->length] = '\0';
338 /* ask the user to save it's current capture file first */
339 if((cfile.state != FILE_CLOSED) && !cfile.user_saved && prefs.gui_ask_unsaved) {
340 /* user didn't saved his current file, ask him */
341 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
342 ESD_BTNS_SAVE_DONTSAVE_CANCEL,
343 PRIMARY_TEXT_START "Save capture file before opening a new one?" PRIMARY_TEXT_END "\n\n"
344 "If you open a new capture file without saving, your current capture data will be discarded.");
345 simple_dialog_set_cb(dialog, dnd_save_file_answered_cb, cf_names_freeme );
348 dnd_open_file_cmd( cf_names_freeme );
353 /* init the drag and drop functionality */
355 dnd_init(GtkWidget *w)
357 /* we are only interested in the URI list containing filenames */
358 static GtkTargetEntry target_entry[] = {
359 /*{"STRING", 0, DND_TARGET_STRING},*/
360 /*{"text/plain", 0, DND_TARGET_STRING},*/
361 {"text/uri-list", 0, DND_TARGET_URL}
364 /* set this window as a dnd destination */
366 w, GTK_DEST_DEFAULT_ALL, target_entry,
367 sizeof(target_entry) / sizeof(GtkTargetEntry),
368 (GdkDragAction)(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
370 /* get notified, if some dnd coming in */
371 gtk_signal_connect(GTK_OBJECT(w), "drag_data_received",
372 GTK_SIGNAL_FUNC(dnd_data_received), NULL);