Merge chros73 suggestions (filter indicator, "start/stopped" view case)

- Suffix filtered view name with "(filtered)"
- Add a check to not filter "start" and "stopped" view

src/command_ui.cc

@@ -320,15 +320,15 @@ torrent::Object apply_match(rpc::target_type target, const torrent::Object::list
   std::transform(text.begin(), text.end(), text.begin(), ::tolower);
   std::transform(pattern.begin(), pattern.end(), pattern.begin(), ::tolower);
 
-  bool match = false;
+  bool isAMatch = false;
   try {
     std::regex re(pattern);
-    match = std::regex_match(text, re);
+    isAMatch = std::regex_match(text, re);
   } catch (const std::regex_error& exc) {
     control->core()->push_log_std("regex_error: " + std::string(exc.what()));
   }
 
-  return match ? (int64_t)true : (int64_t)false;
+  return isAMatch ? (int64_t)true : (int64_t)false;
 }
 
 torrent::Object

src/display/window_download_list.cc

@@ -81,7 +81,7 @@ WindowDownloadList::redraw() {
   if (m_view == NULL)
     return;
 
-  m_canvas->print(0, 0, "%s", ("[View: " + m_view->name() + "]").c_str());
+  m_canvas->print(0, 0, "%s", ("[View: " + m_view->name() + (m_view->get_temp_filter().is_empty() ? "" : " (filtered)") + "]").c_str());
 
   if (m_view->empty_visible() || m_canvas->width() < 5 || m_canvas->height() < 2)
     return;

src/ui/download_list.cc

@@ -263,6 +263,11 @@ DownloadList::receive_view_input(Input type) {
     break;
 
   case INPUT_FILTER:
+    // STARTED and STOPPED views are not allowed to being filtered: they are special
+    if (current_view()->name() == "started" || current_view()->name() == "stopped") {
+      control->core()->push_log_std("View '" + current_view()->name() + "' can't be filtered.");
+      return;
+    }
     title = "filter";
     break;
 
@@ -331,9 +336,10 @@ DownloadList::receive_exit_input(Input type) {
 
     case INPUT_FILTER:
       if (input->str().empty()) {
-        control->core()->push_log_std("Clear temporary filter.");
+        control->core()->push_log_std("Clear temporary filter on '" + current_view()->name() + "' view.");
         current_view()->set_temp_filter(torrent::Object());
         current_view()->filter();
+        current_view()->sort();
       } else {
         std::string pattern = input->str();
         if (pattern.back() != '$')
@@ -342,7 +348,7 @@ DownloadList::receive_exit_input(Input type) {
           pattern = ".*" + pattern;
         std::transform(pattern.begin(), pattern.end(), pattern.begin(), ::tolower);
         std::string tempFilter = "match={d.name=," + pattern + "}";
-        control->core()->push_log_std("Temporary filter: " + pattern);
+        control->core()->push_log_std("Temporary filter on '" + current_view()->name() + "' view: " + pattern);
         current_view()->set_temp_filter(tempFilter);
         current_view()->filter();
       }