input: add the Keyboard abstraction object type.

src/Makefile.am

@@ -44,6 +44,7 @@ liblol_a_SOURCES = \
     math/vector.cpp math/real.cpp math/half.cpp math/trig.cpp \
     \
     input/input.cpp input/input.h \
+    input/keyboard.cpp input/keyboard.h \
     input/stick.cpp input/stick.h \
     \
     gpu/shader.cpp gpu/shader.h \

src/core.h

@@ -91,6 +91,7 @@ static inline int isnan(float f)
 #include "audio.h"
 #include "scene.h"
 #include "input/input.h"
+#include "input/keyboard.h"
 #include "input/stick.h"
 #include "profiler.h"
 

src/input/input.h

@@ -22,6 +22,7 @@
 #include "core.h"
 
 #include "lol/math/vector.h"
+#include "input/keyboard.h"
 #include "input/stick.h"
 
 namespace lol
@@ -432,10 +433,19 @@ public:
     static void UntrackMouse(WorldEntity *e);
 
     /* These methods are called by the underlying input listeners */
+    /* FIXME: this should disappear and be replaced by an input
+     * system that abstracts mice */
     static void SetMousePos(ivec2 coord);
     static void SetMouseButton(int index);
     static void UnsetMouseButton(int index);
 
+    /* Keyboard handling */
+    static Keyboard *CreateKeyboard();
+    static void DestroyKeyboard(Keyboard *keyboard);
+
+    static Keyboard *TrackKeyboard(int desired);
+    static void UntrackKeyboard(Keyboard *keyboard);
+
     /* Joystick handling */
     static Stick *CreateStick();
     static void DestroyStick(Stick *stick);

src/input/keyboard.cpp

@@ -0,0 +1,68 @@
+//
+// Lol Engine
+//
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
+//   This program is free software; you can redistribute it and/or
+//   modify it under the terms of the Do What The Fuck You Want To
+//   Public License, Version 2, as published by Sam Hocevar. See
+//   http://sam.zoy.org/projects/COPYING.WTFPL for more details.
+//
+
+#if defined HAVE_CONFIG_H
+#   include "config.h"
+#endif
+
+#include <cstdlib>
+
+#include "core.h"
+
+namespace lol
+{
+
+/*
+ * Keyboard implementation class
+ */
+
+static class KeyboardData
+{
+    friend class Keyboard;
+
+public:
+    KeyboardData() { }
+
+private:
+    Array<uint32_t> m_chars;
+}
+keyboarddata;
+
+/*
+ * Public Keyboard class
+ */
+
+Keyboard::Keyboard()
+  : m_data(new KeyboardData())
+{
+}
+
+Keyboard::~Keyboard()
+{
+    delete m_data;
+}
+
+void Keyboard::PushChar(uint32_t ch)
+{
+    m_data->m_chars.Push(ch);
+}
+
+uint32_t Keyboard::PopChar()
+{
+    if (!m_data->m_chars.Count())
+        return 0;
+
+    uint32_t ret = m_data->m_chars[0];
+    m_data->m_chars.Remove(0);
+    return ret;
+}
+
+} /* namespace lol */
+

src/input/keyboard.h

@@ -0,0 +1,43 @@
+//
+// Lol Engine
+//
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
+//   This program is free software; you can redistribute it and/or
+//   modify it under the terms of the Do What The Fuck You Want To
+//   Public License, Version 2, as published by Sam Hocevar. See
+//   http://sam.zoy.org/projects/COPYING.WTFPL for more details.
+//
+
+//
+// The Keyboard class
+// ------------------
+//
+
+#if !defined __LOL_INPUT_KEYBOARD_H__
+#define __LOL_INPUT_KEYBOARD_H__
+
+#include "entity.h"
+
+namespace lol
+{
+
+class KeyboardData;
+
+class Keyboard : public Entity
+{
+    friend class Input;
+
+public:
+    void PushChar(uint32_t ch);
+    uint32_t PopChar();
+
+private:
+    Keyboard();
+    ~Keyboard();
+    KeyboardData *m_data;
+};
+
+} /* namespace lol */
+
+#endif // __LOL_INPUT_KEYBOARD_H__
+

src/lolcore.vcxproj

@@ -266,6 +266,7 @@
     <ClCompile Include="image\codec\sdl-image.cpp" />
     <ClCompile Include="image\image.cpp" />
     <ClCompile Include="input\input.cpp" />
+    <ClCompile Include="input\keyboard.cpp" />
     <ClCompile Include="input\stick.cpp" />
     <ClCompile Include="layer.cpp" />
     <ClCompile Include="log.cpp" />
@@ -575,6 +576,7 @@
     <ClInclude Include="image\image-private.h" />
     <ClInclude Include="image\image.h" />
     <ClInclude Include="input\input.h" />
+    <ClInclude Include="input\keyboard.h" />
     <ClInclude Include="input\stick.h" />
     <ClInclude Include="layer.h" />
     <ClInclude Include="log.h" />

src/lolcore.vcxproj.filters

@@ -136,6 +136,9 @@
     <ClCompile Include="input\input.cpp">
       <Filter>src\input</Filter>
     </ClCompile>
+    <ClCompile Include="input\keyboard.cpp">
+      <Filter>src\input</Filter>
+    </ClCompile>
     <ClCompile Include="input\stick.cpp">
       <Filter>src\input</Filter>
     </ClCompile>
@@ -705,6 +708,9 @@
     <ClInclude Include="input\input.h">
       <Filter>src\input</Filter>
     </ClInclude>
+    <ClInclude Include="input\keyboard.h">
+      <Filter>src\input</Filter>
+    </ClInclude>
     <ClInclude Include="input\stick.h">
       <Filter>src\input</Filter>
     </ClInclude>

src/platform/sdl/sdlinput.cpp

@@ -55,6 +55,9 @@ SdlInput::SdlInput()
   : m_data(new SdlInputData())
 {
 #if defined USE_SDL
+    /* Enable Unicode translation of keyboard events */
+    SDL_EnableUNICODE(1);
+
     SDL_Init(SDL_INIT_TIMER | SDL_INIT_JOYSTICK);
 
 #   if SDL_FORCE_POLL_JOYSTICK
@@ -161,7 +164,8 @@ void SdlInputData::Tick(float seconds)
             break;
 #if 0
         case SDL_KEYDOWN:
-            Input::KeyPressed(event.key.keysym.sym, seconds);
+            if (event.key.keysym.unicode)
+                fprintf(stderr, "%c (0x%04X)\n", event.key.keysym.unicode, event.key.keysym.unicode);
             break;
 #endif
         case SDL_MOUSEBUTTONDOWN: