move SUPPRESS_DUPLICATE_KEYBOARD_EVENTS pref into cpp

docs/Core.rst

@@ -394,9 +394,6 @@ restarting DF.
 
 - ``dfhack.HIDE_ARMOK_TOOLS``: Whether to hide "armok" tools in command lists.
 
-- ``dfhack.SUPPRESS_DUPLICATE_KEYBOARD_EVENTS``: Whether to prevent DFHack
-  keybindings from producing DF key events.
-
 Miscellaneous notes
 ===================
 This section is for odd but important notes that don't fit anywhere else.

docs/dev/Lua API.rst

@@ -2857,6 +2857,12 @@ and are only documented here for completeness:
 
   Sets the system clipboard text from a CP437 string.
 
+* ``dfhack.internal.getSuppressDuplicateKeyboardEvents()``
+* ``dfhack.internal.setSuppressDuplicateKeyboardEvents(suppress)``
+
+  Gets and sets the flag for whether to suppress DF key events when a DFHack
+  keybinding is matched and a command is launched.
+
 .. _lua-core-context:
 
 Core interpreter context

library/Core.cpp

@@ -1423,14 +1423,14 @@ Core::Core() :
     memset(&(s_mods), 0, sizeof(s_mods));
 
     // set up hotkey capture
+    suppress_duplicate_keyboard_events = true;
     hotkey_set = NO;
     last_world_data_ptr = NULL;
     last_local_map_ptr = NULL;
     last_pause_state = false;
     top_viewscreen = NULL;
 
     color_ostream::log_errors_to_stderr = true;
-
 };
 
 void Core::fatal (std::string output)
@@ -2356,12 +2356,14 @@ bool Core::DFH_ncurses_key(int key)
     return ncurses_wgetch(key, dummy);
 }
 
-static bool getSuppressDuplicateKeyboardEvents() {
-    auto L = Lua::Core::State;
-    color_ostream_proxy out(Core::getInstance().getConsole());
-    Lua::StackUnwinder top(L);
-    return DFHack::Lua::PushModulePublic(out, L, "dfhack", "SUPPRESS_DUPLICATE_KEYBOARD_EVENTS") &&
-        lua_toboolean(L, -1);
+bool Core::getSuppressDuplicateKeyboardEvents() {
+    return suppress_duplicate_keyboard_events;
+}
+
+void Core::setSuppressDuplicateKeyboardEvents(bool suppress) {
+    DEBUG(keybinding).print("setting suppress_duplicate_keyboard_events to %s\n",
+        suppress ? "true" : "false");
+    suppress_duplicate_keyboard_events = suppress;
 }
 
 // returns true if the event is handled
@@ -2396,9 +2398,10 @@ bool Core::DFH_SDL_Event(SDL_Event* ev)
             DEBUG(keybinding).print("key down: sym=%d (%c)\n", sym, sym);
             bool handled = SelectHotkey(sym, modstate);
             if (handled) {
-                DEBUG(keybinding).print("inhibiting SDL key down event\n");
+                DEBUG(keybinding).print("%sinhibiting SDL key down event\n",
+                    suppress_duplicate_keyboard_events ? "" : "not ");
                 hotkey_states[sym] = true;
-                return getSuppressDuplicateKeyboardEvents();
+                return suppress_duplicate_keyboard_events;
             }
         }
         else if (ke.state == SDL_RELEASED)
@@ -2411,8 +2414,9 @@ bool Core::DFH_SDL_Event(SDL_Event* ev)
         auto &te = ev->text;
         DEBUG(keybinding).print("text input: '%s'\n", te.text);
         if (strlen(te.text) == 1 && hotkey_states[te.text[0]]) {
-            DEBUG(keybinding).print("inhibiting SDL text event\n");
-            return true;
+            DEBUG(keybinding).print("%sinhibiting SDL text event\n",
+                suppress_duplicate_keyboard_events ? "" : "not ");
+            return suppress_duplicate_keyboard_events;
         }
     }
 

library/LuaApi.cpp

@@ -3611,13 +3611,23 @@ static int internal_md5file(lua_State *L)
     }
 }
 
+static int internal_getSuppressDuplicateKeyboardEvents(lua_State *L) {
+    Lua::Push(L, Core::getInstance().getSuppressDuplicateKeyboardEvents());
+    return 1;
+}
+
+static int internal_setSuppressDuplicateKeyboardEvents(lua_State *L) {
+    bool suppress = lua_toboolean(L, 1);
+    Core::getInstance().setSuppressDuplicateKeyboardEvents(suppress);
+    return 0;
+}
+
 static const luaL_Reg dfhack_internal_funcs[] = {
     { "getPE", internal_getPE },
     { "getMD5", internal_getmd5 },
     { "getAddress", internal_getAddress },
     { "setAddress", internal_setAddress },
     { "getVTable", internal_getVTable },
-
     { "adjustOffset", internal_adjustOffset },
     { "getMemRanges", internal_getMemRanges },
     { "patchMemory", internal_patchMemory },
@@ -3639,6 +3649,8 @@ static const luaL_Reg dfhack_internal_funcs[] = {
     { "getCommandDescription", internal_getCommandDescription },
     { "threadid", internal_threadid },
     { "md5File", internal_md5file },
+    { "getSuppressDuplicateKeyboardEvents", internal_getSuppressDuplicateKeyboardEvents },
+    { "setSuppressDuplicateKeyboardEvents", internal_setSuppressDuplicateKeyboardEvents },
     { NULL, NULL }
 };
 

library/include/Core.h

@@ -159,6 +159,9 @@ namespace DFHack
         std::string findScript(std::string name);
         void getScriptPaths(std::vector<std::string> *dest);
 
+        bool getSuppressDuplicateKeyboardEvents();
+        void setSuppressDuplicateKeyboardEvents(bool suppress);
+
         bool ClearKeyBindings(std::string keyspec);
         bool AddKeyBinding(std::string keyspec, std::string cmdline);
         std::vector<std::string> ListKeyBindings(std::string keyspec);
@@ -249,6 +252,7 @@ namespace DFHack
         };
         int8_t modstate;
 
+        bool suppress_duplicate_keyboard_events;
         std::map<int, std::vector<KeyBinding> > key_bindings;
         std::string hotkey_cmd;
         enum hotkey_set_t {

library/lua/dfhack.lua

@@ -63,11 +63,6 @@ function dfhack.getHideArmokTools()
     return dfhack.HIDE_ARMOK_TOOLS
 end
 
-dfhack.SUPPRESS_DUPLICATE_KEYBOARD_EVENTS = true
-function dfhack.getSuppressDuplicateKeyboardEvents()
-    return dfhack.SUPPRESS_DUPLICATE_KEYBOARD_EVENTS
-end
-
 -- Error handling
 
 safecall = dfhack.safecall