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)

1 files changed, 429 insertions, 0 deletions

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;
+}