New class pause_all_key_recorders

If declared on the stack, it will pause all key recorders as soon as
declared, then return them to their previous pausing state when it goes
out of scope.

2 files changed, 24 insertions, 0 deletions

diff --git a/crawl-ref/source/macro.cc b/crawl-ref/source/macro.cc
index 25e916430f..d1fa5f004e 100644
--- a/crawl-ref/source/macro.cc
+++ b/crawl-ref/source/macro.cc
@@ -995,6 +995,21 @@ void key_recorder::clear()
     macro_trigger_keys.clear();
 }
 
+pause_all_key_recorders::pause_all_key_recorders()
+{
+    for (unsigned int i = 0; i < recorders.size(); i++)
+    {
+        prev_pause_status.push_back(recorders[i]->paused);
+        recorders[i]->paused = true;
+    }
+}
+
+pause_all_key_recorders::~pause_all_key_recorders()
+{
+    for (unsigned int i = 0; i < recorders.size(); i++)
+        recorders[i]->paused = prev_pause_status[i];
+}
+
 void add_key_recorder(key_recorder* recorder)
 {
     for (int i = 0, size = recorders.size(); i < size; i++)
diff --git a/crawl-ref/source/macro.h b/crawl-ref/source/macro.h
index f38cd9c20f..0e847a1b55 100644
--- a/crawl-ref/source/macro.h
+++ b/crawl-ref/source/macro.h
@@ -40,6 +40,15 @@ public:
     void clear();
 };
 
+class pause_all_key_recorders {
+public:
+    pause_all_key_recorders();
+    ~pause_all_key_recorders();
+
+private:
+    std::vector<bool> prev_pause_status;
+};
+
 int getchm(int (*rgetch)() = NULL);       // keymaps applied (ie for prompts)
 int getchm(KeymapContext context, int (*rgetch)() = NULL);