ST 1148: a preselected filename will also be selected in the file chooser when popping up. I put a lot of effort into trying to make the chooser behave as it previously did in all other situations, e.g. to choose a directory

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@4875 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 52 insertions, 1 deletions

diff --git a/src/Fl_File_Chooser2.cxx b/src/Fl_File_Chooser2.cxx
index 648d8a7ab..8de0f4d61 100644
--- a/src/Fl_File_Chooser2.cxx
+++ b/src/Fl_File_Chooser2.cxx
@@ -854,6 +854,57 @@ Fl_File_Chooser::rescan()
   update_preview();
 }
 
+//
+// 'Fl_File_Chooser::rescan_keep_filename()' - Rescan the current directory
+// without clearing the filename, then select the file if it is in the list
+//
+
+void
+Fl_File_Chooser::rescan_keep_filename()
+{
+  // if no filename was set, this is likely a diretory browser
+  const char *fn = fileName->value();
+  if (!fn || !*fn || fn[strlen(fn) - 1]=='/') {
+    rescan();
+    return;
+  }
+
+  int   i;
+  char	pathname[1024];		// New pathname for filename field
+  strlcpy(pathname, fn, sizeof(pathname));
+
+  // Build the file list...
+  fileList->load(directory_, sort);
+
+  // Update the preview box...
+  update_preview();
+
+  // and select the chosen file
+  char found = 0;
+  char *slash = strrchr(pathname, '/');
+  if (slash) 
+    slash++;
+  else
+    slash = pathname;
+  for (i = 1; i <= fileList->size(); i ++)
+#if defined(WIN32) || defined(__EMX__)
+    if (strcasecmp(fileList->text(i), slash) == 0) {
+#else
+    if (strcmp(fileList->text(i), slash) == 0) {
+#endif // WIN32 || __EMX__
+      fileList->topline(i);
+      fileList->select(i);
+      found = 1;
+      break;
+    }
+
+  // update OK button activity
+  if (found || type_ & CREATE)
+    okButton->activate();
+  else
+    okButton->deactivate();
+}
+
 
 //
 // 'Fl_File_Chooser::showChoiceCB()' - Handle show selections.
@@ -889,7 +940,7 @@ Fl_File_Chooser::showChoiceCB()
 
   if (shown()) {
     // Rescan the directory...
-    rescan();
+    rescan_keep_filename();
   }
 }