Platform-independent support for zooming around session list by typing

in the session name box.  Thwarted on Unix by GTK not automatically
scrolling the listbox to the selected item, but we can fix that in
the platform-specific side later.

git-svn-id: svn://svn.tartarus.org/sgt/putty@6337 cda61777-01e9-0310-a592-d414129be87e

diff --git a/config.c b/config.c
index 0a47080..39da6c2 100644 (file)
--- a/config.c
+++ b/config.c
@@ -350,9 +350,25 @@ static void sessionsaver_handler(union control *ctrl, void *dlg,
            dlg_update_done(ctrl, dlg);
        }
     } else if (event == EVENT_VALCHANGE) {
+        int top, bottom, halfway, i;
        if (ctrl == ssd->editbox) {
            dlg_editbox_get(ctrl, dlg, savedsession,
                            SAVEDSESSION_LEN);
+           top = ssd->sesslist.nsessions;
+           bottom = -1;
+           while (top-bottom > 1) {
+               halfway = (top+bottom)/2;
+               i = strcmp(savedsession, ssd->sesslist.sessions[halfway]);
+               if (i <= 0 ) {
+                   top = halfway;
+               } else {
+                   bottom = halfway;
+               }
+           }
+           if (top == ssd->sesslist.nsessions) {
+               top -= 1;
+           }
+           dlg_listbox_select(ssd->listbox, dlg, top);
        }
     } else if (event == EVENT_ACTION) {
        if (!ssd->midsession &&