add two new callbacks:

cf_cb_file_closing (called before closing a capture file) cf_cb_file_closed will be called afterwards, but both only if a file is really closed as cf_close is called more often ...

If we are closing large capture files (~20MB), the screen looks ugly while the file is closed. Change this so the screen will immediately go back to initial state and a dialog (without buttons) is shown that the file is currently closed. As the operation which takes most of the time to close the file is a single eth_clist_clear call, we can't use a progress bar here.

cf_cb_live_capture_stopping: called when the user wants to stop the capture (toolbar or menu clicked). At least on Win32, the time between this and the actual stop completed can be noticeable (1-2 seconds), so the user doesn't know if the button press did anything at all. Do something similar as above, show a dialog box without buttons to inform that the close is in progress.

svn path=/trunk/; revision=15891

4 files changed, 75 insertions, 10 deletions

diff --git a/capture.c b/capture.c
index 12f9cbe3f3..c89feea5f9 100644
--- a/capture.c
+++ b/capture.c
@@ -119,6 +119,8 @@ capture_stop(capture_options *capture_opts)
 {
   g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture Stop ...");
 
+  cf_callback_invoke(cf_cb_live_capture_stopping, capture_opts);
+
   /* stop the capture child gracefully */
   sync_pipe_stop(capture_opts);
 }
@@ -310,6 +312,7 @@ capture_input_new_packets(capture_options *capture_opts, int to_read)
 
          XXX - abort on a read error? */
          cf_callback_invoke(cf_cb_live_capture_update_continue, capture_opts->cf);
+		 /* update the main window, so we get events (e.g. from the stop toolbar button) */
          main_window_update();
       break;
 
diff --git a/file.c b/file.c
index 9b4f9977e6..aa8dc3d1f9 100644
--- a/file.c
+++ b/file.c
@@ -347,11 +347,17 @@ cf_reset_state(capture_file *cf)
 void
 cf_close(capture_file *cf)
 {
-  cf_reset_state(cf);
+  /* close things, if not already closed before */
+  if(cf->state != FILE_CLOSED) {
+
+	  cf_callback_invoke(cf_cb_file_closing, cf);
 
-  cleanup_dissection();
+	  cf_reset_state(cf);
 
-  cf_callback_invoke(cf_cb_file_closed, cf);
+	  cleanup_dissection();
+
+	  cf_callback_invoke(cf_cb_file_closed, cf);
+  }
 }
 
 cf_read_status_t
@@ -557,13 +563,13 @@ cf_continue_tail(capture_file *cf, int to_read, int *err)
     to_read--;
   }
 
-  packet_list_thaw();
-
   /* XXX - this cheats and looks inside the packet list to find the final
      row number. */
   if (auto_scroll_live && cf->plist_end != NULL)
     packet_list_moveto_end();
 
+  packet_list_thaw();
+
   if (cf->state == FILE_READ_ABORTED) {
     /* Well, the user decided to exit Ethereal.  Return CF_READ_ABORTED
        so that our caller can kill off the capture child process;
@@ -3104,10 +3110,6 @@ cf_save(capture_file *cf, const char *fname, packet_range_t *range, guint save_f
 
   packet_range_process_init(range);
 
-  /* Used to be :
-   * if (!save_filtered && !save_marked && !save_manual_range && 
-   *     !save_marked_range && !save_curr && save_format == cf->cd_t) {
-   */ 
 	
   if (packet_range_process_all(range) && save_format == cf->cd_t) {
     /* We're not filtering packets, and we're saving it in the format
diff --git a/file.h b/file.h
index 3eadec354d..f479ff5f6a 100644
--- a/file.h
+++ b/file.h
@@ -56,6 +56,7 @@ typedef enum {
 } cf_print_status_t;
 
 typedef enum {
+    cf_cb_file_closing,
     cf_cb_file_closed,
     cf_cb_file_read_start,
     cf_cb_file_read_finished,
@@ -66,6 +67,7 @@ typedef enum {
     cf_cb_live_capture_update_finished,
     cf_cb_live_capture_fixed_started,
     cf_cb_live_capture_fixed_finished,
+	cf_cb_live_capture_stopping,
 #endif
     cf_cb_packet_selected,
     cf_cb_packet_unselected,
diff --git a/gtk/main.c b/gtk/main.c
index bb54ad893b..f3cdd20c25 100644
--- a/gtk/main.c
+++ b/gtk/main.c
@@ -1229,10 +1229,26 @@ set_display_filename(capture_file *cf)
   g_free(win_name);
 }
 
+GtkWidget           *close_dlg = NULL;
 
 static void
-main_cf_cb_file_closed(capture_file *cf)
+main_cf_cb_file_closing(capture_file *cf)
 {
+
+	/* if we have more than 10000 packets, show a splash screen while closing */
+	/* XXX - don't know a better way to decide wether to show or not,
+	 * as most of the time is spend in a single eth_clist_clear function, 
+	 * so we can't use a progress bar here! */
+	if(cf->count > 10000) {
+		close_dlg = simple_dialog(ESD_TYPE_STOP, ESD_BTN_NONE, "%sClosing file!%s\n\nPlease wait ...", 
+			simple_dialog_primary_start(), simple_dialog_primary_end());
+#if GTK_MAJOR_VERSION >= 2
+		gtk_window_set_position(GTK_WINDOW(close_dlg), GTK_WIN_POS_CENTER_ON_PARENT);
+#else
+		gtk_window_set_position(GTK_WINDOW(close_dlg), GTK_WIN_POS_CENTER);
+#endif
+	}
+
     /* Destroy all windows, which refer to the
        capture file we're closing. */
     destroy_cfile_wins();
@@ -1258,6 +1274,17 @@ main_cf_cb_file_closed(capture_file *cf)
 
     /* Set up main window for no capture file. */
     main_set_for_capture_file(FALSE);
+
+	main_window_update();
+}
+
+static void
+main_cf_cb_file_closed(capture_file *cf)
+{
+  if(close_dlg != NULL) {
+	  splash_destroy(close_dlg);
+	  close_dlg = NULL;
+  }
 }
 
 static void
@@ -1370,9 +1397,16 @@ main_cf_cb_live_capture_update_continue(capture_file *cf)
     statusbar_push_file_msg(capture_msg);
 }
 
+GtkWidget * stop_dlg = NULL;
+
 static void
 main_cf_cb_live_capture_update_finished(capture_file *cf)
 {
+	if(stop_dlg != NULL) {
+		simple_dialog_close(stop_dlg);
+		stop_dlg = NULL;
+	}
+
     /* Pop the "<live capture in progress>" message off the status bar. */
     statusbar_pop_file_msg();
 
@@ -1419,6 +1453,11 @@ main_cf_cb_live_capture_fixed_started(capture_options *capture_opts)
 static void
 main_cf_cb_live_capture_fixed_finished(capture_file *cf _U_)
 {
+	if(stop_dlg != NULL) {
+		simple_dialog_close(stop_dlg);
+		stop_dlg = NULL;
+	}
+
     /* Pop the "<live capture in progress>" message off the status bar. */
     statusbar_pop_file_msg();
 
@@ -1434,6 +1473,19 @@ main_cf_cb_live_capture_fixed_finished(capture_file *cf _U_)
     /* We don't have loaded the capture file, this will be done later.
      * For now we still have simply a blank screen. */
 }
+
+static void
+main_cf_cb_live_capture_stopping(capture_file *cf _U_)
+{
+    stop_dlg = simple_dialog(ESD_TYPE_STOP, ESD_BTN_NONE, "%sCapture stop!%s\n\nPlease wait ...", 
+		simple_dialog_primary_start(), simple_dialog_primary_end());
+#if GTK_MAJOR_VERSION >= 2
+	gtk_window_set_position(GTK_WINDOW(stop_dlg), GTK_WIN_POS_CENTER_ON_PARENT);
+#else
+	gtk_window_set_position(GTK_WINDOW(stop_dlg), GTK_WIN_POS_CENTER);
+#endif
+}
+
 #endif
 
 static void
@@ -1505,6 +1557,9 @@ main_cf_cb_file_safe_reload_finished(gpointer data _U_)
 static void main_cf_callback(gint event, gpointer data, gpointer user_data _U_)
 {
     switch(event) {
+    case(cf_cb_file_closing):
+        main_cf_cb_file_closing(data);
+        break;
     case(cf_cb_file_closed):
         main_cf_cb_file_closed(data);
         break;
@@ -1533,6 +1588,9 @@ static void main_cf_callback(gint event, gpointer data, gpointer user_data _U_)
     case(cf_cb_live_capture_fixed_finished):
         main_cf_cb_live_capture_fixed_finished(data);
         break;
+    case(cf_cb_live_capture_stopping):
+        main_cf_cb_live_capture_stopping(data);
+        break;
 #endif
     case(cf_cb_packet_selected):
         main_cf_cb_packet_selected(data);