Preselect last loaded map in file dialog to enable easy reloads in Rviz

ethz-asl · Dec 12, 2024 · 21c91e2 · 21c91e2
1 parent 7bf1525
commit 21c91e2
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/interfaces/ros1/wavemap_rviz_plugin/src/wavemap_map_display.cc b/interfaces/ros1/wavemap_rviz_plugin/src/wavemap_map_display.cc
@@ -275,7 +275,12 @@ void WavemapMapDisplay::requestWholeMapCallback() {
 void WavemapMapDisplay::loadMapFromDiskCallback() {
   ProfilerZoneScoped;
   // Open file selection dialog
-  const auto filepath_qt = QFileDialog::getOpenFileName();
+  const bool has_last_path =
+      std::filesystem::exists(load_map_from_disk_property_.getAtRestValue());
+  const std::string last_path =
+      has_last_path ? load_map_from_disk_property_.getAtRestValue() : "";
+  const auto filepath_qt = QFileDialog::getOpenFileName(
+      nullptr, "Choose a wavemap map file", last_path.c_str());
 
   // Check if the chosen filepath is not empty
   if (filepath_qt.isEmpty()) {