From Cal Turney via enhancement bug #5587: In hex or string searches …

…of the

packet data highlight the target rather than the entire field.


svn path=/trunk/; revision=35584

cfile.h

@@ -79,6 +79,7 @@ typedef struct _capture_file {
   gboolean     case_type;       /* TRUE if case-insensitive text search */
   gboolean     decode_data;     /* TRUE if searching protocol tree text */
   gboolean     summary_data;    /* TRUE if searching Info column text */
+  gboolean     search_in_progress; /* TRUE if user just clicked OK in the Find dialog or hit <control>N/B */
   /* packet data */
   union wtap_pseudo_header pseudo_header; /* Packet pseudo_header */
   guint8       pd[WTAP_MAX_PACKET_SIZE];  /* Packet data */

file.c

@@ -3992,7 +3992,10 @@ find_packet(capture_file *cf,
   if (new_fd != NULL) {
 #ifdef NEW_PACKET_LIST
     /* Find and select */
+    cf->search_in_progress = TRUE;
     row = new_packet_list_find_row_from_data(fdata, TRUE);
+    cf->search_in_progress = FALSE;
+    cf->search_pos = 0; /* Reset the position */
 #else
     /* We found a frame.  Find what row it's in. */
     row = packet_list_find_row_from_data(new_fd);

gtk/main.c

@@ -1681,14 +1681,13 @@ main_cf_cb_packet_selected(gpointer data)
     add_main_byte_views(cf->edt);
     main_proto_tree_draw(cf->edt->tree);
 
-    /* The user is searching for a string in the data or a hex value,
-     * highlight the field that is found in the tree and hex displays. */
-    if((cfile.string || cfile.hex) && cfile.search_pos != 0) {
-        highlight_field(cf->edt->tvb, cfile.search_pos,
+    /* Note: Both string and hex value searches in the packet data produce a non-zero 
+       search_pos if successful */
+    if(cf->search_in_progress && cf->search_pos != 0) {
+        highlight_field(cf->edt->tvb, cf->search_pos,
                         (GtkTreeView *)tree_view_gbl, cf->edt->tree);
-        cfile.search_pos = 0; /* Reset the position */
-    }
-
+    } 
+
     /* A packet is selected. */
     set_menus_for_selected_packet(cf);
 }

gtk/main_proto_draw.c

@@ -579,6 +579,16 @@ highlight_field(tvbuff_t *tvb, gint byte, GtkTreeView *tree_view,
     gtk_tree_selection_select_path(gtk_tree_view_get_selection(tree_view),
                                    first_path);
 
+	/* If the last search was a string or hex search within "Packet data", the entire field might 
+       not be highlighted. If the user just clicked on one of the bytes comprising that field, the
+       above call didn't trigger a 'gtk_tree_view_get_selection' event. Call redraw_packet_bytes()
+       to make the highlighting of the entire field visible. */   
+    if (!cfile.search_in_progress) {        
+        if (cfile.hex || (cfile.string && !(cfile.summary_data || cfile.decode_data))) {
+            redraw_packet_bytes(byte_nb_ptr_gbl, cfile.current_frame, cfile.finfo_selected);
+        }
+    }
+
     /* And position the window so the selection is visible.
      * Position the selection in the middle of the viewable
      * pane. */
@@ -1562,8 +1572,23 @@ packet_hex_print(GtkWidget *bv, const guint8 *pd, frame_data *fd,
 
 
     if (finfo != NULL) {
-        bstart = finfo->start;
-        blen = finfo->length;
+
+        if (cfile.search_in_progress) { 
+            if (cfile.hex || (cfile.string && !(cfile.summary_data || cfile.decode_data))) {        
+                /* In the hex view, only highlight the target bytes or string. The entire
+                   field can then be displayed by clicking on any of the bytes in the field. */
+                if (cfile.hex) {
+                    blen = strlen(cfile.sfilter)/2;
+                } else {
+                    blen = strlen(cfile.sfilter);
+                }
+                bstart = cfile.search_pos - (blen-1);
+            }
+        } else {	
+            blen = finfo->length;
+            bstart = finfo->start;
+        }
+
         /* bmask = finfo->hfinfo->bitmask << finfo->hfinfo->bitshift; */ /* (value & mask) >> shift */
         bmask = finfo->hfinfo->bitmask;
         astart = finfo->appendix_start;