Recalling commands in the Lua Console now works without pressing escape.

src/graphics/gui/logGui.cpp

@@ -95,6 +95,12 @@ namespace lunarium
                 ImGui::End();
                 return;
             }
+
+            // NOTE: DID not work
+            // if (ImGui::IsWindowCollapsed())
+            // {
+            //     ImGui::SetWindowPos(ImVec2(0, height - 20), ImGuiCond_Always);
+            // }
         }
         else
         {

src/graphics/gui/luaConsole.cpp

@@ -44,6 +44,42 @@ namespace lunarium
     {
         return OpRes::OK();
     }
+
+    int LuaConsole::MyCallback(ImGuiInputTextCallbackData* data)
+    {
+        if (data->EventFlag == ImGuiInputTextFlags_CallbackHistory)
+        {
+            bool changeCommand = false;
+            if (data->EventKey == ImGuiKey_UpArrow)
+            {
+                mpInstance->mRecalledCommand--;
+                if (mpInstance->mRecalledCommand <= -1)
+                {
+                    mpInstance->mRecalledCommand = mpInstance->mCommandHistory.size() - 1;
+                }
+                changeCommand = true;
+            }
+            else if (data->EventKey == ImGuiKey_DownArrow)
+            {
+                mpInstance->mRecalledCommand++;
+                if (mpInstance->mRecalledCommand >= mpInstance->mCommandHistory.size())
+                {
+                    mpInstance->mRecalledCommand = 0;
+                }
+                changeCommand = true;
+            }
+
+            if (changeCommand)
+            {
+                memset(mpInstance->mBuffer, 0, LUA_CON_BUFFER_SIZE);
+                strcpy(mpInstance->mBuffer, mpInstance->mCommandHistory[mpInstance->mRecalledCommand].c_str());
+                data->DeleteChars(0, data->BufTextLen);
+                data->InsertChars(0, mpInstance->mBuffer);
+                data->SelectAll();
+            }
+        }
+        return 0;
+    }
     
     void LuaConsole::Show()
     {
@@ -51,6 +87,11 @@ namespace lunarium
         if (!mbShow)
             return;
 
+        if (Core::Input().IsKeyDown(KeyCode::ESCAPE, true))
+        {
+            mpInstance->mRecalledCommand = -1;
+        }
+
         int x, y;
         Core::MainWindow().GetPosition(&x, &y);
         int width, height;
@@ -86,8 +127,15 @@ namespace lunarium
         {
             const char* msg = mCommandHistory[i].c_str();
             int len = strlen(msg);
-            
-            ImGui::TextUnformatted(msg);
+
+            if (i == mRecalledCommand)
+            {
+                ImGui::TextColored(ImVec4(0.2f, 0.9f, 0.5f, 1.0f), msg);
+            }
+            else
+            {
+                ImGui::TextUnformatted(msg);
+            }
         }
 
         if (ImGui::GetScrollY() >= ImGui::GetScrollMaxY())
@@ -96,7 +144,8 @@ namespace lunarium
         ImGui::EndChild();
         ImGui::Separator();
         ImGui::BeginChild("console", ImVec2(0, 20));
-        if (ImGui::InputText("command", mBuffer, LUA_CON_BUFFER_SIZE, ImGuiInputTextFlags_EnterReturnsTrue))
+        if (ImGui::InputText("command", mBuffer, LUA_CON_BUFFER_SIZE, ImGuiInputTextFlags_EnterReturnsTrue 
+                            | ImGuiInputTextFlags_CallbackHistory, LuaConsole::MyCallback))
         {
             mCommandHistory.push_back(mBuffer);
             memset(mBuffer, 0, LUA_CON_BUFFER_SIZE);
@@ -109,44 +158,6 @@ namespace lunarium
 
         ImGui::EndChild();
         ImGui::End();
-
-        // if (Core::Input().IsKeyPressed(KeyCode::RETURN, true) && strlen(mBuffer) > 1)
-        // {
-        //     mCommandHistory.push_back(mBuffer);
-        //     memset(mBuffer, 0, LUA_CON_BUFFER_SIZE);
-        //     mbNewCommand = true;
-
-        //     // Doesn't keep the focus on the input text field
-        //     // Might be another way to do it now
-        //     ImGui::SetKeyboardFocusHere(-1);
-        // }
-
-        bool changeCommand = false;
-        if (Core::Input().IsKeyPressed(KeyCode::UP, true))
-        {
-            mRecalledCommand--;
-            if (mRecalledCommand <= -1)
-            {
-                mRecalledCommand = mCommandHistory.size() - 1;
-            }
-            changeCommand = true;
-        }
-
-        if (Core::Input().IsKeyPressed(KeyCode::DOWN, true))
-        {
-            mRecalledCommand++;
-            if (mRecalledCommand >= mCommandHistory.size())
-            {
-                mRecalledCommand = 0;
-            }
-            changeCommand = true;
-        }
-
-        if (changeCommand)
-        {
-            memset(mBuffer, 0, LUA_CON_BUFFER_SIZE);
-            strcpy(mBuffer, mCommandHistory[mRecalledCommand].c_str());
-        }
     }
 
     void LuaConsole::SetShow(bool show)

src/graphics/gui/luaConsole.h

@@ -13,6 +13,8 @@
 #include <string>
 #include <vector>
 
+struct ImGuiInputTextCallbackData;
+
 namespace lunarium
 {
     const int LUA_CON_BUFFER_SIZE = 64;
@@ -34,6 +36,7 @@ namespace lunarium
         std::string GetLastCommand();
         bool GetNewCommand(std::string& command);   // returns true if there is a new and false if not
 
+        static int MyCallback(ImGuiInputTextCallbackData* data);
 
     private:
         static LuaConsole* mpInstance;