Sdk/Console: Add command history

Former-commit-id: e5b437988a3f81b2724c0f1a45da0bbfc85b14b0

SDK/include/NDK/Console.hpp

@@ -9,6 +9,7 @@
 
 #include <Nazara/Graphics/Sprite.hpp>
 #include <Nazara/Graphics/TextSprite.hpp>
+#include <Nazara/Utility/Event.hpp>
 #include <Nazara/Utility/Node.hpp>
 #include <Nazara/Utility/SimpleTextDrawer.hpp>
 #include <NDK/EntityOwner.hpp>
@@ -43,6 +44,7 @@ namespace Ndk
 			inline bool IsVisible() const;
 
 			void SendCharacter(char32_t character);
+			void SendEvent(Nz::WindowEvent event);
 
 			void SetCharacterSize(unsigned int size);
 			void SetSize(const Nz::Vector2f& size);
@@ -65,6 +67,8 @@ namespace Ndk
 				Nz::String text;
 			};
 
+			std::size_t m_historyPosition;
+			std::vector<Nz::String> m_commandHistory;
 			std::vector<Line> m_historyLines;
 			EntityOwner m_historyBackground;
 			EntityOwner m_history;

SDK/src/NDK/Console.cpp

@@ -20,6 +20,7 @@ namespace Ndk
 	}
 
 	Console::Console(World& world, const Nz::Vector2f& size, Nz::LuaInstance& instance) :
+	m_historyPosition(0),
 	m_defaultFont(Nz::Font::GetDefault()),
 	m_instance(instance),
 	m_size(size),
@@ -81,10 +82,10 @@ namespace Ndk
 
 		Ndk::NodeComponent& inputNode = m_input->AddComponent<Ndk::NodeComponent>();
 		inputNode.SetParent(this);
-		
+
 		Layout();
 	}
-	
+
 	void Console::AddLine(const Nz::String& text, const Nz::Color& color)
 	{
 		AddLineInternal(text, color);
@@ -124,6 +125,40 @@ namespace Ndk
 		m_inputTextSprite->Update(m_inputDrawer);
 	}
 
+	void Console::SendEvent(Nz::WindowEvent event)
+	{
+		switch (event.type)
+		{
+			case Nz::WindowEventType_TextEntered:
+				SendCharacter(event.text.character);
+				break;
+
+			case Nz::WindowEventType_KeyPressed:
+			{
+				switch (event.key.code)
+				{
+					case Nz::Keyboard::Down:
+					case Nz::Keyboard::Up:
+						if (event.key.code == Nz::Keyboard::Up)
+							m_historyPosition = std::min<std::size_t>(m_commandHistory.size(), m_historyPosition + 1);
+						else
+						{
+							if (m_historyPosition > 1)
+								m_historyPosition--;
+							else if (m_historyPosition == 0)
+								m_historyPosition = 1;
+						}
+
+						Nz::String text = m_commandHistory[m_commandHistory.size() - m_historyPosition];
+						m_inputDrawer.SetText(s_inputPrefix + text);
+						m_inputTextSprite->Update(m_inputDrawer);
+						break;
+				}
+				break;
+			}
+		}
+	}
+
 	void Console::SetCharacterSize(unsigned int size)
 	{
 		m_characterSize = size;
@@ -162,12 +197,18 @@ namespace Ndk
 
 	void Console::ExecuteInput()
 	{
-		Nz::String input = m_inputDrawer.GetText().SubString(s_inputPrefixSize);
+		Nz::String input = m_inputDrawer.GetText();
+		Nz::String inputCmd = input.SubString(s_inputPrefixSize);;
 		m_inputDrawer.SetText(s_inputPrefix);
 
-		AddLineInternal(input);
+		if (m_commandHistory.empty() || m_commandHistory.back() != inputCmd)
+			m_commandHistory.push_back(inputCmd);
 
-		if (!m_instance.Execute(input))
+		m_historyPosition = 0;
+
+		AddLineInternal(input); //< With the input prefix
+
+		if (!m_instance.Execute(inputCmd))
 			AddLineInternal(m_instance.GetLastError(), Nz::Color::Red);
 
 		RefreshHistory();
@@ -210,7 +251,7 @@ namespace Ndk
 				m_historyDrawer.AppendText(it->text);
 				++it;
 			}
-			
+
 			m_historyDrawer.AppendText(Nz::String('\n'));
 		}