Added support for unicode charset in textfields and chat.

Conflicts:

    src/Makefile.am
    src/game.cpp
    src/gui/browserbox.cpp
    src/gui/gui.cpp
    src/gui/textfield.cpp
    src/main.cpp

(cherry picked from mainline commit 7b67e852086ad3ccd98a622f890b245ab6a0a321)

12 files changed, 731 insertions, 39 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index f270f35c..072e141e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -138,6 +138,8 @@ SET(SRCS
     gui/register.h
     gui/scrollarea.cpp
     gui/scrollarea.h
+    gui/sdlinput.cpp
+    gui/sdlinput.h
     gui/sell.cpp
     gui/sell.h
     gui/setup_audio.cpp
diff --git a/src/Makefile.am b/src/Makefile.am
index ded201b7..1d325a84 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -100,6 +100,8 @@ aethyra_SOURCES = gui/widgets/dropdown.cpp \
 	      gui/register.h \
 	      gui/scrollarea.cpp \
 	      gui/scrollarea.h \
+	      gui/sdlinput.cpp \
+	      gui/sdlinput.h \
 	      gui/sell.cpp \
 	      gui/sell.h \
 	      gui/setup.cpp \
diff --git a/src/game.cpp b/src/game.cpp
index 666820f5..2c7dd9e3 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -64,6 +64,7 @@
 #include "gui/npclistdialog.h"
 #include "gui/npc_text.h"
 #include "gui/ok_dialog.h"
+#include "gui/sdlinput.h"
 #include "gui/sell.h"
 #include "gui/setup.h"
 #include "gui/skill.h"
@@ -90,7 +91,6 @@
 #include "resources/imagewriter.h"
 
 extern Graphics *graphics;
-extern gcn::SDLInput *guiInput;
 
 class Map;
 
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index f33d9495..7cf1881c 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -24,11 +24,9 @@
 #include <guichan/imagefont.hpp>
 #include <SDL/SDL_ttf.h>
 
-// Should stay here because of Guichan being sensitive to headers order
-#include <guichan/sdl/sdlinput.hpp>
-
 #include "focushandler.h"
 #include "gui.h"
+#include "sdlinput.h"
 #include "truetypefont.h"
 #include "viewport.h"
 #include "window.h"
@@ -47,7 +45,7 @@
 // Guichan stuff
 Gui *gui;
 Viewport *viewport;                    /**< Viewport on the map. */
-gcn::SDLInput *guiInput;               /**< GUI input. */
+SDLInput *guiInput;                    /**< GUI input. */
 
 // Fonts used in showing hits
 gcn::Font *hitRedFont;
@@ -97,7 +95,7 @@ Gui::Gui(Graphics *graphics):
     gcn::Image::setImageLoader(&imageLoader);
 
     // Set input
-    guiInput = new gcn::SDLInput();
+    guiInput = new SDLInput;
     setInput(guiInput);
 
     // Set focus handler
diff --git a/src/gui/gui.h b/src/gui/gui.h
index f56b1dbf..eb81b87c 100644
--- a/src/gui/gui.h
+++ b/src/gui/gui.h
@@ -29,6 +29,7 @@
 class Graphics;
 class GuiConfigListener;
 class ImageSet;
+class SDLInput;
 class Viewport;
 
 /**
@@ -115,7 +116,7 @@ class Gui : public gcn::Gui
 
 extern Gui *gui;                              /**< The GUI system */
 extern Viewport *viewport;                    /**< The viewport */
-extern gcn::SDLInput *guiInput;               /**< GUI input */
+extern SDLInput *guiInput;                    /**< GUI input */
 
 /**
  * Fonts used in showing hits
diff --git a/src/gui/sdlinput.cpp b/src/gui/sdlinput.cpp
new file mode 100644
index 00000000..ee94b2c6
--- /dev/null
+++ b/src/gui/sdlinput.cpp
@@ -0,0 +1,429 @@
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * Copyright (c) 2004, 2005, 2006, 2007 Olof Naessén and Per Larsson
+ * Copyright 2007 The Mana World Development Team
+ *
+ *                                                         Js_./
+ * Per Larsson a.k.a finalman                          _RqZ{a<^_aa
+ * Olof Naessén a.k.a jansem/yakslem                _asww7!uY`>  )\a//
+ *                                                 _Qhm`] _f "'c  1!5m
+ * Visit: http://guichan.darkbits.org             )Qk<P ` _: :+' .'  "{[
+ *                                               .)j(] .d_/ '-(  P .   S
+ * License: (BSD)                                <Td/Z <fP"5(\"??"\a.  .L
+ * Redistribution and use in source and          _dV>ws?a-?'      ._/L  #'
+ * binary forms, with or without                 )4d[#7r, .   '     )d`)[
+ * modification, are permitted provided         _Q-5'5W..j/?'   -?!\)cam'
+ * that the following conditions are met:       j<<WP+k/);.        _W=j f
+ * 1. Redistributions of source code must       .$%w\/]Q  . ."'  .  mj$
+ *    retain the above copyright notice,        ]E.pYY(Q]>.   a     J@\
+ *    this list of conditions and the           j(]1u<sE"L,. .   ./^ ]{a
+ *    following disclaimer.                     4'_uomm\.  )L);-4     (3=
+ * 2. Redistributions in binary form must        )_]X{Z('a_"a7'<a"a,  ]"[
+ *    reproduce the above copyright notice,       #}<]m7`Za??4,P-"'7. ).m
+ *    this list of conditions and the            ]d2e)Q(<Q(  ?94   b-  LQ/
+ *    following disclaimer in the                <B!</]C)d_, '(<' .f. =C+m
+ *    documentation and/or other materials      .Z!=J ]e []('-4f _ ) -.)m]'
+ *    provided with the distribution.          .w[5]' _[ /.)_-"+?   _/ <W"
+ * 3. Neither the name of Guichan nor the      :$we` _! + _/ .        j?
+ *    names of its contributors may be used     =3)= _f  (_yQmWW$#(    "
+ *    to endorse or promote products derived     -   W,  sQQQQmZQ#Wwa]..
+ *    from this software without specific        (js, \[QQW$QWW#?!V"".
+ *    prior written permission.                    ]y:.<\..          .
+ *                                                 -]n w/ '         [.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT       )/ )/           !
+ * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY         <  (; sac    ,    '
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,               ]^ .-  %
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF            c <   r
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR            aga<  <La
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE          5%  )P'-3L
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR        _bQf` y`..)a
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,          ,J?4P'.P"_(\?d'.,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES               _Pa,)!f/<[]/  ?"
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT      _2-..:. .r+_,.. .
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,     ?a.<%"'  " -'.a_ _,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION)                     ^
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "sdlinput.h"
+
+#include <guichan/exception.hpp>
+
+SDLInput::SDLInput()
+{
+    mMouseInWindow = true;
+    mMouseDown = false;
+}
+
+bool SDLInput::isKeyQueueEmpty()
+{
+    return mKeyInputQueue.empty();
+}
+
+gcn::KeyInput SDLInput::dequeueKeyInput()
+{
+    gcn::KeyInput keyInput;
+
+    if (mKeyInputQueue.empty())
+    {
+        throw GCN_EXCEPTION("The queue is empty.");
+    }
+
+    keyInput = mKeyInputQueue.front();
+    mKeyInputQueue.pop();
+
+    return keyInput;
+}
+
+bool SDLInput::isMouseQueueEmpty()
+{
+    return mMouseInputQueue.empty();
+}
+
+gcn::MouseInput SDLInput::dequeueMouseInput()
+{
+    gcn::MouseInput mouseInput;
+
+    if (mMouseInputQueue.empty())
+    {
+        throw GCN_EXCEPTION("The queue is empty.");
+    }
+
+    mouseInput = mMouseInputQueue.front();
+    mMouseInputQueue.pop();
+
+    return mouseInput;
+}
+
+void SDLInput::pushInput(SDL_Event event)
+{
+    gcn::KeyInput keyInput;
+    gcn::MouseInput mouseInput;
+
+    switch (event.type)
+    {
+      case SDL_KEYDOWN:
+          keyInput.setKey(gcn::Key(convertKeyCharacter(event)));
+          keyInput.setType(gcn::KeyInput::PRESSED);
+          keyInput.setShiftPressed(event.key.keysym.mod & KMOD_SHIFT);
+          keyInput.setControlPressed(event.key.keysym.mod & KMOD_CTRL);
+          keyInput.setAltPressed(event.key.keysym.mod & KMOD_ALT);
+          keyInput.setMetaPressed(event.key.keysym.mod & KMOD_META);
+          keyInput.setNumericPad(event.key.keysym.sym >= SDLK_KP0
+                                 && event.key.keysym.sym <= SDLK_KP_EQUALS);
+
+          mKeyInputQueue.push(keyInput);
+          break;
+
+      case SDL_KEYUP:
+          keyInput.setKey(gcn::Key(convertKeyCharacter(event)));
+          keyInput.setType(gcn::KeyInput::RELEASED);
+          keyInput.setShiftPressed(event.key.keysym.mod & KMOD_SHIFT);
+          keyInput.setControlPressed(event.key.keysym.mod & KMOD_CTRL);
+          keyInput.setAltPressed(event.key.keysym.mod & KMOD_ALT);
+          keyInput.setMetaPressed(event.key.keysym.mod & KMOD_META);
+          keyInput.setNumericPad(event.key.keysym.sym >= SDLK_KP0
+                                 && event.key.keysym.sym <= SDLK_KP_EQUALS);
+
+          mKeyInputQueue.push(keyInput);
+          break;
+
+      case SDL_MOUSEBUTTONDOWN:
+          mMouseDown = true;
+          mouseInput.setX(event.button.x);
+          mouseInput.setY(event.button.y);
+          mouseInput.setButton(convertMouseButton(event.button.button));
+
+          if (event.button.button == SDL_BUTTON_WHEELDOWN)
+          {
+              mouseInput.setType(gcn::MouseInput::WHEEL_MOVED_DOWN);
+          }
+          else if (event.button.button == SDL_BUTTON_WHEELUP)
+          {
+              mouseInput.setType(gcn::MouseInput::WHEEL_MOVED_UP);
+          }
+          else
+          {
+              mouseInput.setType(gcn::MouseInput::PRESSED);
+          }
+          mouseInput.setTimeStamp(SDL_GetTicks());
+          mMouseInputQueue.push(mouseInput);
+          break;
+
+      case SDL_MOUSEBUTTONUP:
+          mMouseDown = false;
+          mouseInput.setX(event.button.x);
+          mouseInput.setY(event.button.y);
+          mouseInput.setButton(convertMouseButton(event.button.button));
+          mouseInput.setType(gcn::MouseInput::RELEASED);
+          mouseInput.setTimeStamp(SDL_GetTicks());
+          mMouseInputQueue.push(mouseInput);
+          break;
+
+      case SDL_MOUSEMOTION:
+          mouseInput.setX(event.button.x);
+          mouseInput.setY(event.button.y);
+          mouseInput.setButton(gcn::MouseInput::EMPTY);
+          mouseInput.setType(gcn::MouseInput::MOVED);
+          mouseInput.setTimeStamp(SDL_GetTicks());
+          mMouseInputQueue.push(mouseInput);
+          break;
+
+      case SDL_ACTIVEEVENT:
+          /*
+           * This occurs when the mouse leaves the window and the Gui-chan
+           * application loses its mousefocus.
+           */
+          if ((event.active.state & SDL_APPMOUSEFOCUS)
+              && !event.active.gain)
+          {
+              mMouseInWindow = false;
+
+              if (!mMouseDown)
+              {
+                  mouseInput.setX(-1);
+                  mouseInput.setY(-1);
+                  mouseInput.setButton(gcn::MouseInput::EMPTY);
+                  mouseInput.setType(gcn::MouseInput::MOVED);
+                  mMouseInputQueue.push(mouseInput);
+              }
+          }
+
+          if ((event.active.state & SDL_APPMOUSEFOCUS)
+              && event.active.gain)
+          {
+              mMouseInWindow = true;
+          }
+          break;
+
+    } // end switch
+}
+
+int SDLInput::convertMouseButton(int button)
+{
+    switch (button)
+    {
+      case SDL_BUTTON_LEFT:
+          return gcn::MouseInput::LEFT;
+      case SDL_BUTTON_RIGHT:
+          return gcn::MouseInput::RIGHT;
+      case SDL_BUTTON_MIDDLE:
+          return gcn::MouseInput::MIDDLE;
+      default:
+          // We have an unknown mouse type which is ignored.
+          return button;
+    }
+}
+
+int SDLInput::convertKeyCharacter(SDL_Event event)
+{
+    SDL_keysym keysym = event.key.keysym;
+    
+    int value = keysym.unicode;
+
+    switch (keysym.sym)
+    {
+      case SDLK_TAB:
+          value = Key::TAB;
+          break;
+      case SDLK_LALT:
+          value = Key::LEFT_ALT;
+          break;
+      case SDLK_RALT:
+          value = Key::RIGHT_ALT;
+          break;
+      case SDLK_LSHIFT:
+          value = Key::LEFT_SHIFT;
+          break;
+      case SDLK_RSHIFT:
+          value = Key::RIGHT_SHIFT;
+          break;
+      case SDLK_LCTRL:
+          value = Key::LEFT_CONTROL;
+          break;
+      case SDLK_RCTRL:
+          value = Key::RIGHT_CONTROL;
+          break;
+      case SDLK_BACKSPACE:
+          value = Key::BACKSPACE;
+          break;
+      case SDLK_PAUSE:
+          value = Key::PAUSE;
+          break;
+      case SDLK_SPACE:
+          // Special characters like ~ (tilde) ends up
+          // with the keysym.sym SDLK_SPACE which
+          // without this check would be lost. The check
+          // is only valid on key down events in SDL.
+          if (event.type == SDL_KEYUP || keysym.unicode == ' ')
+          {
+              value = Key::SPACE;
+          }
+          break;
+      case SDLK_ESCAPE:
+          value = Key::ESCAPE;
+          break;
+      case SDLK_DELETE:
+          value = Key::DELETE;
+          break;
+      case SDLK_INSERT:
+          value = Key::INSERT;
+          break;
+      case SDLK_HOME:
+          value = Key::HOME;
+          break;
+      case SDLK_END:
+          value = Key::END;
+          break;
+      case SDLK_PAGEUP:
+          value = Key::PAGE_UP;
+          break;
+      case SDLK_PRINT:
+          value = Key::PRINT_SCREEN;
+          break;
+      case SDLK_PAGEDOWN:
+          value = Key::PAGE_DOWN;
+          break;
+      case SDLK_F1:
+          value = Key::F1;
+          break;
+      case SDLK_F2:
+          value = Key::F2;
+          break;
+      case SDLK_F3:
+          value = Key::F3;
+          break;
+      case SDLK_F4:
+          value = Key::F4;
+          break;
+      case SDLK_F5:
+          value = Key::F5;
+          break;
+      case SDLK_F6:
+          value = Key::F6;
+          break;
+      case SDLK_F7:
+          value = Key::F7;
+          break;
+      case SDLK_F8:
+          value = Key::F8;
+          break;
+      case SDLK_F9:
+          value = Key::F9;
+          break;
+      case SDLK_F10:
+          value = Key::F10;
+          break;
+      case SDLK_F11:
+          value = Key::F11;
+          break;
+      case SDLK_F12:
+          value = Key::F12;
+          break;
+      case SDLK_F13:
+          value = Key::F13;
+          break;
+      case SDLK_F14:
+          value = Key::F14;
+          break;
+      case SDLK_F15:
+          value = Key::F15;
+          break;
+      case SDLK_NUMLOCK:
+          value = Key::NUM_LOCK;
+          break;
+      case SDLK_CAPSLOCK:
+          value = Key::CAPS_LOCK;
+          break;
+      case SDLK_SCROLLOCK:
+          value = Key::SCROLL_LOCK;
+          break;
+      case SDLK_RMETA:
+          value = Key::RIGHT_META;
+          break;
+      case SDLK_LMETA:
+          value = Key::LEFT_META;
+          break;
+      case SDLK_LSUPER:
+          value = Key::LEFT_SUPER;
+          break;
+      case SDLK_RSUPER:
+          value = Key::RIGHT_SUPER;
+          break;
+      case SDLK_MODE:
+          value = Key::ALT_GR;
+          break;
+      case SDLK_UP:
+          value = Key::UP;
+          break;
+      case SDLK_DOWN:
+          value = Key::DOWN;
+          break;
+      case SDLK_LEFT:
+          value = Key::LEFT;
+          break;
+      case SDLK_RIGHT:
+          value = Key::RIGHT;
+          break;
+      case SDLK_RETURN:
+          value = Key::ENTER;
+          break;
+      case SDLK_KP_ENTER:
+          value = Key::ENTER;
+          break;
+
+      default:
+          break;
+    }
+
+    if (!(keysym.mod & KMOD_NUM))
+    {
+        switch (keysym.sym)
+        {
+          case SDLK_KP0:
+              value = Key::INSERT;
+              break;
+          case SDLK_KP1:
+              value = Key::END;
+              break;
+          case SDLK_KP2:
+              value = Key::DOWN;
+              break;
+          case SDLK_KP3:
+              value = Key::PAGE_DOWN;
+              break;
+          case SDLK_KP4:
+              value = Key::LEFT;
+              break;
+          case SDLK_KP5:
+              value = 0;
+              break;
+          case SDLK_KP6:
+              value = Key::RIGHT;
+              break;
+          case SDLK_KP7:
+              value = Key::HOME;
+              break;
+          case SDLK_KP8:
+              value = Key::UP;
+              break;
+          case SDLK_KP9:
+              value = Key::PAGE_UP;
+              break;
+          default:
+              break;
+        }
+    }
+
+    return value;
+}
diff --git a/src/gui/sdlinput.h b/src/gui/sdlinput.h
new file mode 100644
index 00000000..72d949e1
--- /dev/null
+++ b/src/gui/sdlinput.h
@@ -0,0 +1,188 @@
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * Copyright (c) 2004, 2005, 2006, 2007 Olof Naessén and Per Larsson
+ * Copyright 2007 The Mana World Development Team
+ *
+ *                                                         Js_./
+ * Per Larsson a.k.a finalman                          _RqZ{a<^_aa
+ * Olof Naessén a.k.a jansem/yakslem                _asww7!uY`>  )\a//
+ *                                                 _Qhm`] _f "'c  1!5m
+ * Visit: http://guichan.darkbits.org             )Qk<P ` _: :+' .'  "{[
+ *                                               .)j(] .d_/ '-(  P .   S
+ * License: (BSD)                                <Td/Z <fP"5(\"??"\a.  .L
+ * Redistribution and use in source and          _dV>ws?a-?'      ._/L  #'
+ * binary forms, with or without                 )4d[#7r, .   '     )d`)[
+ * modification, are permitted provided         _Q-5'5W..j/?'   -?!\)cam'
+ * that the following conditions are met:       j<<WP+k/);.        _W=j f
+ * 1. Redistributions of source code must       .$%w\/]Q  . ."'  .  mj$
+ *    retain the above copyright notice,        ]E.pYY(Q]>.   a     J@\
+ *    this list of conditions and the           j(]1u<sE"L,. .   ./^ ]{a
+ *    following disclaimer.                     4'_uomm\.  )L);-4     (3=
+ * 2. Redistributions in binary form must        )_]X{Z('a_"a7'<a"a,  ]"[
+ *    reproduce the above copyright notice,       #}<]m7`Za??4,P-"'7. ).m
+ *    this list of conditions and the            ]d2e)Q(<Q(  ?94   b-  LQ/
+ *    following disclaimer in the                <B!</]C)d_, '(<' .f. =C+m
+ *    documentation and/or other materials      .Z!=J ]e []('-4f _ ) -.)m]'
+ *    provided with the distribution.          .w[5]' _[ /.)_-"+?   _/ <W"
+ * 3. Neither the name of Guichan nor the      :$we` _! + _/ .        j?
+ *    names of its contributors may be used     =3)= _f  (_yQmWW$#(    "
+ *    to endorse or promote products derived     -   W,  sQQQQmZQ#Wwa]..
+ *    from this software without specific        (js, \[QQW$QWW#?!V"".
+ *    prior written permission.                    ]y:.<\..          .
+ *                                                 -]n w/ '         [.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT       )/ )/           !
+ * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY         <  (; sac    ,    '
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,               ]^ .-  %
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF            c <   r
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR            aga<  <La
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE          5%  )P'-3L
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR        _bQf` y`..)a
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,          ,J?4P'.P"_(\?d'.,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES               _Pa,)!f/<[]/  ?"
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT      _2-..:. .r+_,.. .
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,     ?a.<%"'  " -'.a_ _,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION)                     ^
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _TMW_SDLINPUT_
+#define _TMW_SDLINPUT_
+
+#include <queue>
+
+#include <SDL/SDL.h>
+
+#include <guichan/input.hpp>
+#include <guichan/keyinput.hpp>
+#include <guichan/mouseinput.hpp>
+#include <guichan/platform.hpp>
+
+namespace Key
+{
+    enum
+    {
+        SPACE              = ' ',
+        TAB                = '\t',
+        ENTER              = '\n',
+        // Negative values, to avoid conflicts with higher character codes.
+        LEFT_ALT           = -1000,
+        RIGHT_ALT,
+        LEFT_SHIFT,
+        RIGHT_SHIFT,
+        LEFT_CONTROL,
+        RIGHT_CONTROL,
+        LEFT_META,
+        RIGHT_META,
+        LEFT_SUPER,
+        RIGHT_SUPER,
+        INSERT,
+        HOME,
+        PAGE_UP,
+        DELETE,
+        END,
+        PAGE_DOWN,
+        ESCAPE,
+        CAPS_LOCK,
+        BACKSPACE,
+        F1,
+        F2,
+        F3,
+        F4,
+        F5,
+        F6,
+        F7,
+        F8,
+        F9,
+        F10,
+        F11,
+        F12,
+        F13,
+        F14,
+        F15,
+        PRINT_SCREEN,
+        SCROLL_LOCK,
+        PAUSE,
+        NUM_LOCK,
+        ALT_GR,
+        LEFT,
+        RIGHT,
+        UP,
+        DOWN
+    };
+}
+
+/**
+ * SDL implementation of Input.
+ */
+class SDLInput : public gcn::Input
+{
+public:
+
+    /**
+     * Constructor.
+     */
+    SDLInput();
+
+    /**
+     * Pushes an SDL event. It should be called at least once per frame to
+     * update input with user input.
+     *
+     * @param event an event from SDL.
+     */
+    virtual void pushInput(SDL_Event event);
+
+    /**
+     * Polls all input. It exists for input driver compatibility. If you
+     * only use SDL and plan sticking with SDL you can safely ignore this
+     * function as it in the SDL case does nothing.
+     */
+    virtual void _pollInput() { }
+
+
+    // Inherited from Input
+
+    virtual bool isKeyQueueEmpty();
+
+    virtual gcn::KeyInput dequeueKeyInput();
+
+    virtual bool isMouseQueueEmpty();
+
+    virtual gcn::MouseInput dequeueMouseInput();
+
+protected:
+    /**
+     * Converts a mouse button from SDL to a Guichan mouse button
+     * representation.
+     *
+     * @param button an SDL mouse button.
+     * @return a Guichan mouse button.
+     */
+    int convertMouseButton(int button);
+
+    /**
+     * Converts an SDL event key to a key value.
+     *
+     * @param event an SDL event with a key to convert.
+     * @return a key value.
+     * @see Key
+     */
+    int convertKeyCharacter(SDL_Event event);
+
+    std::queue<gcn::KeyInput> mKeyInputQueue;
+    std::queue<gcn::MouseInput> mMouseInputQueue;
+
+    bool mMouseDown;
+    bool mMouseInWindow;
+};
+
+#endif
diff --git a/src/gui/textfield.cpp b/src/gui/textfield.cpp
index bd016a8d..d4709d3f 100644
--- a/src/gui/textfield.cpp
+++ b/src/gui/textfield.cpp
@@ -19,12 +19,15 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include "textfield.h"
+
 #include <algorithm>
 
 #include <guichan/font.hpp>
 
 #include <guichan/sdl/sdlinput.hpp>
 
+#include "sdlinput.h"
 #include "textfield.h"
 
 #include "../graphics.h"
@@ -34,6 +37,8 @@
 
 #include "../utils/dtor.h"
 
+#undef DELETE //Win32 compatibility hack
+
 int TextField::instances = 0;
 ImageRect TextField::skin;
 
@@ -123,34 +128,6 @@ void TextField::setNumeric(bool numeric)
     }
 }
 
-void TextField::keyPressed(gcn::KeyEvent &keyEvent)
-{
-    if (mNumeric)
-    {
-        while (true)
-        {
-            const gcn::Key &key = keyEvent.getKey();
-            if (key.isNumber())
-            {
-                break;
-            }
-            int value = key.getValue();
-            if (value == SDLK_LEFT || value == SDLK_RIGHT ||
-                value == SDLK_HOME || value == SDLK_END ||
-                value == SDLK_BACKSPACE || value == SDLK_DELETE)
-            {
-                break;
-            }
-            return;
-        }
-    }
-    gcn::TextField::keyPressed(keyEvent);
-    if (mListener)
-    {
-        mListener->listen(this);
-    }
-}
-
 int TextField::getValue() const
 {
     if (!mNumeric)
@@ -168,3 +145,99 @@ int TextField::getValue() const
     }
     return value;
 }
+
+void TextField::keyPressed(gcn::KeyEvent &keyEvent)
+{
+    int val = keyEvent.getKey().getValue();
+
+    if (val >= 32)
+    {
+        int l;
+        if (val < 128) l = 1;            // 0xxxxxxx
+        else if (val < 0x800) l = 2;     // 110xxxxx 10xxxxxx
+        else if (val < 0x10000) l = 3;   // 1110xxxx 10xxxxxx 10xxxxxx
+        else l = 4;                      // 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
+
+        char buf[4];
+        for (int i = 0; i < l; ++i)
+        {
+            buf[i] = val >> (6 * (l - i - 1));
+            if (i > 0) buf[i] = (buf[i] & 63) | 128;
+        }
+
+        if (l > 1) buf[0] |= 255 << (8 - l);
+
+        mText.insert(mCaretPosition, std::string(buf, buf + l));
+        mCaretPosition += l;
+    }
+
+    /* In UTF-8, 10xxxxxx is only used for inner parts of characters. So skip
+       them when processing key presses. */
+
+    switch (val)
+    {
+        case Key::LEFT:
+        {
+            while (mCaretPosition > 0)
+            {
+                --mCaretPosition;
+                if ((mText[mCaretPosition] & 192) != 128)
+                    break;
+            }
+        } break;
+
+        case Key::RIGHT:
+        {
+            unsigned sz = mText.size();
+            while (mCaretPosition < sz)
+            {
+                ++mCaretPosition;
+                if (mCaretPosition == sz ||
+                    (mText[mCaretPosition] & 192) != 128)
+                    break;
+            }
+        } break;
+
+        case Key::DELETE:
+        {
+            unsigned sz = mText.size();
+            while (mCaretPosition < sz)
+            {
+                --sz;
+                mText.erase(mCaretPosition, 1);
+                if (mCaretPosition == sz ||
+                    (mText[mCaretPosition] & 192) != 128)
+                    break;
+            }
+        } break;
+
+        case Key::BACKSPACE:
+        {
+            while (mCaretPosition > 0)
+            {
+                --mCaretPosition;
+                int v = mText[mCaretPosition];
+                mText.erase(mCaretPosition, 1);
+                if ((v & 192) != 128) break;
+            }
+        } break;
+
+        case Key::ENTER:
+            distributeActionEvent();
+            break;
+
+        case Key::HOME:
+            mCaretPosition = 0;
+            break;
+
+        case Key::END:
+            mCaretPosition = mText.size();
+            break;
+
+        case Key::TAB:
+            return;
+    }
+
+    keyEvent.consume();
+    fixScroll();
+}
diff --git a/src/gui/textfield.h b/src/gui/textfield.h
index 6def784d..38150b83 100644
--- a/src/gui/textfield.h
+++ b/src/gui/textfield.h
@@ -74,7 +74,7 @@ class TextField : public gcn::TextField {
         void setRange(int min, int max) {mMinimum = min; mMaximum = max; }
 
         /**
-         * Restrict keyboard input if numeric
+         * Processes one keypress.
          */
         void keyPressed(gcn::KeyEvent &keyEvent);
 
diff --git a/src/gui/viewport.cpp b/src/gui/viewport.cpp
index f6f9bb42..080ebddc 100644
--- a/src/gui/viewport.cpp
+++ b/src/gui/viewport.cpp
@@ -21,8 +21,6 @@
 
 #include <cassert>
 
-#include <guichan/sdl/sdlinput.hpp>
-
 #include "gui.h"
 #include "popupmenu.h"
 #include "viewport.h"
diff --git a/src/keyboardconfig.h b/src/keyboardconfig.h
index a0b67f5d..f6439795 100644
--- a/src/keyboardconfig.h
+++ b/src/keyboardconfig.h
@@ -26,6 +26,7 @@
 
 #include <guichan/sdl/sdlinput.hpp>
 
+#include "gui/sdlinput.h"
 #include "gui/setup_keyboard.h"
 
 /**
diff --git a/src/main.cpp b/src/main.cpp
index 55d295dd..c85b5aa3 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -61,8 +61,8 @@
 #include "gui/ok_dialog.h"
 #include "gui/progressbar.h"
 #include "gui/register.h"
+#include "gui/sdlinput.h"
 #include "gui/setup.h"
-#include "gui/updatewindow.h"
 #include "gui/textfield.h"
 #include "gui/updatewindow.h"