Code::Blocks has this nice Project Manager feature that will show you if a file in the project is missing.
There's a "broken file" icon that shows you a file should exist, but doesn't.
- If you load a project and one of the files is missing, you see the icon.
- If a project is already loaded and a file you are editing gets deleted, you see the icon.
- :( If a project is already loaded and a file you are not editing gets deleted, you do not see the icon.
You're told that the file doesn't exist when you double-click the icon, but you still see the "working file" icon.
Here's a one-line fix that simply sets the correct icon after C::B has already determined the file is missing:
Index: sdk/projectmanager.cpp
===================================================================
--- sdk/projectmanager.cpp (revision 4957)
+++ sdk/projectmanager.cpp (working copy)
@@ -1419,6 +1419,7 @@
wxString msg;
msg.Printf(_("Could not open the file '%s'.\nThe file does not exist."), filename.c_str());
cbMessageBox(msg, _("Error"));
+ pf->SetFileState(fvsMissing);
Manager::Get()->GetLogManager()->LogError(msg);
return;
}