]> git.xonotic.org Git - xonotic/netradiant.git/blobdiff - radiant/camwindow.cpp
reformat code! now the code is only ugly on the *inside*
[xonotic/netradiant.git] / radiant / camwindow.cpp
index c26bc5b58427a99ae521f47e50a8102e8c04a31e..a3ead2fdcdbb589d3a50ec6867a87edbff2f8030 100644 (file)
@@ -1,23 +1,23 @@
 /*
-Copyright (C) 1999-2006 Id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
+   Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+   For a list of contributors, see the accompanying CONTRIBUTORS file.
 
-This file is part of GtkRadiant.
+   This file is part of GtkRadiant.
 
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+   GtkRadiant is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
 
-GtkRadiant is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+   GtkRadiant is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-*/
+   You should have received a copy of the GNU General Public License
+   along with GtkRadiant; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
 
 //
 // Camera Window
@@ -27,6 +27,9 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 #include "camwindow.h"
 
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+
 #include "debugging/debugging.h"
 
 #include "iscenegraph.h"
@@ -62,39 +65,38 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 Signal0 g_cameraMoved_callbacks;
 
-void AddCameraMovedCallback(const SignalHandlerhandler)
+void AddCameraMovedCallback(const SignalHandler &handler)
 {
-  g_cameraMoved_callbacks.connectLast(handler);
+    g_cameraMoved_callbacks.connectLast(handler);
 }
 
 void CameraMovedNotify()
 {
-  g_cameraMoved_callbacks();
-}
-
-
-struct camwindow_globals_private_t
-{
-  int m_nMoveSpeed;
-  bool m_bCamLinkSpeed;
-  int m_nAngleSpeed;
-  bool m_bCamInverseMouse;
-  bool m_bCamDiscrete;
-  bool m_bCubicClipping;
-  bool m_showStats;
-  int m_nStrafeMode;
-
-  camwindow_globals_private_t() :
-    m_nMoveSpeed(100),
-    m_bCamLinkSpeed(true),
-    m_nAngleSpeed(3),
-    m_bCamInverseMouse(false),
-    m_bCamDiscrete(true),
-    m_bCubicClipping(true),
-    m_showStats(true),
-       m_nStrafeMode(0)
-  {
-  }
+    g_cameraMoved_callbacks();
+}
+
+
+struct camwindow_globals_private_t {
+    int m_nMoveSpeed;
+    bool m_bCamLinkSpeed;
+    int m_nAngleSpeed;
+    bool m_bCamInverseMouse;
+    bool m_bCamDiscrete;
+    bool m_bCubicClipping;
+    bool m_showStats;
+    int m_nStrafeMode;
+
+    camwindow_globals_private_t() :
+            m_nMoveSpeed(100),
+            m_bCamLinkSpeed(true),
+            m_nAngleSpeed(3),
+            m_bCamInverseMouse(false),
+            m_bCamDiscrete(true),
+            m_bCubicClipping(true),
+            m_showStats(true),
+            m_nStrafeMode(0)
+    {
+    }
 
 };
 
@@ -102,273 +104,264 @@ camwindow_globals_private_t g_camwindow_globals_private;
 
 
 const Matrix4 g_opengl2radiant(
-  0, 0,-1, 0,
- -1, 0, 0, 0,
-  0, 1, 0, 0,
-  0, 0, 0, 1
+        0, 0, -1, 0,
       -1, 0, 0, 0,
+        0, 1, 0, 0,
+        0, 0, 0, 1
 );
 
 const Matrix4 g_radiant2opengl(
-  0,-1, 0, 0,
-  0, 0, 1, 0,
- -1, 0, 0, 0,
-  0, 0, 0, 1
+        0, -1, 0, 0,
+        0, 0, 1, 0,
       -1, 0, 0, 0,
+        0, 0, 0, 1
 );
 
 struct camera_t;
-void Camera_mouseMove(camera_t& camera, int x, int y);
 
-enum camera_draw_mode
-{
-  cd_wire,
-  cd_solid,
-  cd_texture,
-  cd_lighting
-};
+void Camera_mouseMove(camera_t &camera, int x, int y);
 
-struct camera_t
-{
-  int width, height;
-
-  bool timing;
+enum camera_draw_mode {
+    cd_wire,
+    cd_solid,
+    cd_texture,
+    cd_lighting
+};
 
-  Vector3 origin;
-  Vector3 angles;
+struct camera_t {
+    int width, height;
 
-  Vector3 color;   // background
+    bool timing;
 
-  Vector3  forward, right; // move matrix (TTimo: used to have up but it was not updated)
-  Vector3 vup, vpn, vright; // view matrix (taken from the modelview matrix)
+    Vector3 origin;
+    Vector3 angles;
 
-  Matrix4 projection;
-  Matrix4 modelview;
+    Vector3 color; // background
 
-  bool m_strafe; // true when in strafemode toggled by the ctrl-key
-  bool m_strafe_forward; // true when in strafemode by ctrl-key and shift is pressed for forward strafing
+    Vector3 forward, right; // move matrix (TTimo: used to have up but it was not updated)
+    Vector3 vup, vpn, vright; // view matrix (taken from the modelview matrix)
 
-  unsigned int movementflags;  // movement flags
-  Timer m_keycontrol_timer;
-  guint m_keymove_handler;
+    Matrix4 projection;
+    Matrix4 modelview;
 
+    bool m_strafe; // true when in strafemode toggled by the ctrl-key
+    bool m_strafe_forward; // true when in strafemode by ctrl-key and shift is pressed for forward strafing
 
-  float fieldOfView;
+    unsigned int movementflags; // movement flags
+    Timer m_keycontrol_timer;
+    guint m_keymove_handler;
 
-  DeferredMotionDelta m_mouseMove;
 
-  static void motionDelta(int x, int y, void* data)
-  {
-    Camera_mouseMove(*reinterpret_cast<camera_t*>(data), x, y);
-  }
+    float fieldOfView;
 
-  View* m_view;
-  Callback m_update;
+    DeferredMotionDelta m_mouseMove;
 
-  static camera_draw_mode draw_mode;
+    static void motionDelta(int x, int y, void *data)
+    {
+        Camera_mouseMove(*reinterpret_cast<camera_t *>( data ), x, y);
+    }
 
-  camera_t(View* view, const Callback& update)
-    : width(0),
-    height(0),
-    timing(false),
-    origin(0, 0, 0),
-    angles(0, 0, 0),
-    color(0, 0, 0),
-    movementflags(0),
-    m_keymove_handler(0),
-    fieldOfView(90.0f),
-    m_mouseMove(motionDelta, this),
-    m_view(view),
-    m_update(update)
-  {
-  }
+    View *m_view;
+    Callback<void()> m_update;
+
+    static camera_draw_mode draw_mode;
+
+    camera_t(View *view, const Callback<void()> &update)
+            : width(0),
+              height(0),
+              timing(false),
+              origin(0, 0, 0),
+              angles(0, 0, 0),
+              color(0, 0, 0),
+              movementflags(0),
+              m_keymove_handler(0),
+              fieldOfView(90.0f),
+              m_mouseMove(motionDelta, this),
+              m_view(view),
+              m_update(update)
+    {
+    }
 };
 
 camera_draw_mode camera_t::draw_mode = cd_texture;
 
 inline Matrix4 projection_for_camera(float near_z, float far_z, float fieldOfView, int width, int height)
 {
-  const float half_width = static_cast<float>(near_z * tan(degrees_to_radians(fieldOfView * 0.5)));
-  const float half_height = half_width * (static_cast<float>(height) / static_cast<float>(width));
+    const float half_width = static_cast<float>( near_z * tan(degrees_to_radians(fieldOfView * 0.5)));
+    const float half_height = half_width * (static_cast<float>( height ) / static_cast<float>( width ));
 
-  return matrix4_frustum(
-    -half_width,
-    half_width,
-    -half_height,
-    half_height,
-    near_z,
-    far_z
-  );
+    return matrix4_frustum(
+            -half_width,
+            half_width,
+            -half_height,
+            half_height,
+            near_z,
+            far_z
+    );
 }
 
-float Camera_getFarClipPlane(camera_tcamera)
+float Camera_getFarClipPlane(camera_t &camera)
 {
-  return (g_camwindow_globals_private.m_bCubicClipping)? pow(2.0, (g_camwindow_globals.m_nCubicScale + 7) / 2.0) : 32768.0f;
+    return (g_camwindow_globals_private.m_bCubicClipping) ? pow(2.0, (g_camwindow_globals.m_nCubicScale + 7) / 2.0)
+                                                          : 32768.0f;
 }
 
-void Camera_updateProjection(camera_tcamera)
+void Camera_updateProjection(camera_t &camera)
 {
-  float farClip = Camera_getFarClipPlane(camera);
-  camera.projection = projection_for_camera(farClip / 4096.0f, farClip, camera.fieldOfView, camera.width, camera.height);
+    float farClip = Camera_getFarClipPlane(camera);
+    camera.projection = projection_for_camera(farClip / 4096.0f, farClip, camera.fieldOfView, camera.width,
+                                              camera.height);
 
-  camera.m_view->Construct(camera.projection, camera.modelview, camera.width, camera.height);
+    camera.m_view->Construct(camera.projection, camera.modelview, camera.width, camera.height);
 }
 
-void Camera_updateVectors(camera_tcamera)
+void Camera_updateVectors(camera_t &camera)
 {
-  for (int i=0 ; i<3 ; i++)
-  {
-    camera.vright[i] = camera.modelview[(i<<2)+0];
-    camera.vup[i] = camera.modelview[(i<<2)+1];
-    camera.vpn[i] = camera.modelview[(i<<2)+2];
-  }
+    for (int i = 0; i < 3; i++) {
+        camera.vright[i] = camera.modelview[(i << 2) + 0];
+        camera.vup[i] = camera.modelview[(i << 2) + 1];
+        camera.vpn[i] = camera.modelview[(i << 2) + 2];
+    }
 }
 
-void Camera_updateModelview(camera_tcamera)
+void Camera_updateModelview(camera_t &camera)
 {
-  camera.modelview = g_matrix4_identity;
+    camera.modelview = g_matrix4_identity;
 
-  // roll, pitch, yaw
-  Vector3 radiant_eulerXYZ(0, -camera.angles[CAMERA_PITCH], camera.angles[CAMERA_YAW]);
+    // roll, pitch, yaw
+    Vector3 radiant_eulerXYZ(0, -camera.angles[CAMERA_PITCH], camera.angles[CAMERA_YAW]);
 
-  matrix4_translate_by_vec3(camera.modelview, camera.origin);
-  matrix4_rotate_by_euler_xyz_degrees(camera.modelview, radiant_eulerXYZ);
-  matrix4_multiply_by_matrix4(camera.modelview, g_radiant2opengl);
-  matrix4_affine_invert(camera.modelview);
+    matrix4_translate_by_vec3(camera.modelview, camera.origin);
+    matrix4_rotate_by_euler_xyz_degrees(camera.modelview, radiant_eulerXYZ);
+    matrix4_multiply_by_matrix4(camera.modelview, g_radiant2opengl);
+    matrix4_affine_invert(camera.modelview);
 
-  Camera_updateVectors(camera);
+    Camera_updateVectors(camera);
 
-  camera.m_view->Construct(camera.projection, camera.modelview, camera.width, camera.height);
+    camera.m_view->Construct(camera.projection, camera.modelview, camera.width, camera.height);
 }
 
 
-void Camera_Move_updateAxes(camera_tcamera)
+void Camera_Move_updateAxes(camera_t &camera)
 {
-  double ya = degrees_to_radians(camera.angles[CAMERA_YAW]);
+    double ya = degrees_to_radians(camera.angles[CAMERA_YAW]);
 
-  // the movement matrix is kept 2d
-  camera.forward[0] = static_cast<float>(cos(ya));
-  camera.forward[1] = static_cast<float>(sin(ya));
-  camera.forward[2] = 0;
-  camera.right[0] = camera.forward[1];
-  camera.right[1] = -camera.forward[0];
+    // the movement matrix is kept 2d
+    camera.forward[0] = static_cast<float>( cos(ya));
+    camera.forward[1] = static_cast<float>( sin(ya));
+    camera.forward[2] = 0;
+    camera.right[0] = camera.forward[1];
+    camera.right[1] = -camera.forward[0];
 }
 
-void Camera_Freemove_updateAxes(camera_tcamera)
+void Camera_Freemove_updateAxes(camera_t &camera)
 {
-  camera.right = camera.vright;
-  camera.forward = vector3_negated(camera.vpn);
+    camera.right = camera.vright;
+    camera.forward = vector3_negated(camera.vpn);
 }
 
-const Vector3& Camera_getOrigin(camera_t& camera)
+const Vector3 &Camera_getOrigin(camera_t &camera)
 {
-  return camera.origin;
+    return camera.origin;
 }
 
-void Camera_setOrigin(camera_t& camera, const Vector3& origin)
+void Camera_setOrigin(camera_t &camera, const Vector3 &origin)
 {
-  camera.origin = origin;
-  Camera_updateModelview(camera);
-  camera.m_update();
-  CameraMovedNotify();
+    camera.origin = origin;
+    Camera_updateModelview(camera);
+    camera.m_update();
+    CameraMovedNotify();
 }
 
-const Vector3& Camera_getAngles(camera_t& camera)
+const Vector3 &Camera_getAngles(camera_t &camera)
 {
-  return camera.angles;
+    return camera.angles;
 }
 
-void Camera_setAngles(camera_t& camera, const Vector3& angles)
+void Camera_setAngles(camera_t &camera, const Vector3 &angles)
 {
-  camera.angles = angles;
-  Camera_updateModelview(camera);
-  camera.m_update();
-  CameraMovedNotify();
+    camera.angles = angles;
+    Camera_updateModelview(camera);
+    camera.m_update();
+    CameraMovedNotify();
 }
 
 
-void Camera_FreeMove(camera_tcamera, int dx, int dy)
+void Camera_FreeMove(camera_t &camera, int dx, int dy)
 {
-  // free strafe mode, toggled by the ctrl key with optional shift for forward movement
-  if(camera.m_strafe)
-  {
-    float strafespeed = 0.65f;
+    // free strafe mode, toggled by the ctrl key with optional shift for forward movement
+    if (camera.m_strafe) {
+        float strafespeed = 0.65f;
 
-    if(g_camwindow_globals_private.m_bCamLinkSpeed)
+        if (g_camwindow_globals_private.m_bCamLinkSpeed) {
+            strafespeed = (float) g_camwindow_globals_private.m_nMoveSpeed / 100;
+        }
+
+        camera.origin -= camera.vright * strafespeed * dx;
+        if (camera.m_strafe_forward) {
+            camera.origin += camera.vpn * strafespeed * dy;
+        } else {
+            camera.origin += camera.vup * strafespeed * dy;
+        }
+    } else // free rotation
     {
-      strafespeed = (float)g_camwindow_globals_private.m_nMoveSpeed / 100;
+        const float dtime = 0.1f;
+
+        if (g_camwindow_globals_private.m_bCamInverseMouse) {
+            camera.angles[CAMERA_PITCH] -= dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
+        } else {
+            camera.angles[CAMERA_PITCH] += dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
+        }
+
+        camera.angles[CAMERA_YAW] += dx * dtime * g_camwindow_globals_private.m_nAngleSpeed;
+
+        if (camera.angles[CAMERA_PITCH] > 90) {
+            camera.angles[CAMERA_PITCH] = 90;
+        } else if (camera.angles[CAMERA_PITCH] < -90) {
+            camera.angles[CAMERA_PITCH] = -90;
+        }
+
+        if (camera.angles[CAMERA_YAW] >= 360) {
+            camera.angles[CAMERA_YAW] -= 360;
+        } else if (camera.angles[CAMERA_YAW] <= 0) {
+            camera.angles[CAMERA_YAW] += 360;
+        }
     }
 
-         camera.origin -= camera.vright * strafespeed * dx;
-         if(camera.m_strafe_forward)
-           camera.origin += camera.vpn * strafespeed * dy;
-         else
-           camera.origin += camera.vup * strafespeed * dy;
-  }
-  else// free rotation
-  {
-    const float dtime = 0.1f;
-
-    if (g_camwindow_globals_private.m_bCamInverseMouse)
-        camera.angles[CAMERA_PITCH] -= dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
-    else
-        camera.angles[CAMERA_PITCH] += dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
-
-    camera.angles[CAMERA_YAW] += dx * dtime * g_camwindow_globals_private.m_nAngleSpeed;
-
-    if (camera.angles[CAMERA_PITCH] > 90)
-        camera.angles[CAMERA_PITCH] = 90;
-    else if (camera.angles[CAMERA_PITCH] < -90)
-        camera.angles[CAMERA_PITCH] = -90;
-
-    if (camera.angles[CAMERA_YAW] >= 360)
-        camera.angles[CAMERA_YAW] -=360;
-    else if (camera.angles[CAMERA_YAW] <= 0)
-        camera.angles[CAMERA_YAW] +=360;
-  }
-
-  Camera_updateModelview(camera);
-  Camera_Freemove_updateAxes(camera);
+    Camera_updateModelview(camera);
+    Camera_Freemove_updateAxes(camera);
 }
 
-void Cam_MouseControl(camera_tcamera, int x, int y)
+void Cam_MouseControl(camera_t &camera, int x, int y)
 {
-  int   xl, xh;
-  int yl, yh;
-  float xf, yf;
+    float xf = (float) (x - camera.width / 2) / (camera.width / 2);
+    float yf = (float) (y - camera.height / 2) / (camera.height / 2);
 
-  xf = (float)(x - camera.width/2) / (camera.width/2);
-  yf = (float)(y - camera.height/2) / (camera.height/2);
-
-  xl = camera.width/3;
-  xh = xl*2;
-  yl = camera.height/3;
-  yh = yl*2;
-
-  xf *= 1.0f - fabsf(yf);
-  if (xf < 0)
-  {
-    xf += 0.1f;
-    if (xf > 0)
-      xf = 0;
-  }
-  else
-  {
-    xf -= 0.1f;
-    if (xf < 0)
-      xf = 0;
-  }
+    xf *= 1.0f - fabsf(yf);
+    if (xf < 0) {
+        xf += 0.1f;
+        if (xf > 0) {
+            xf = 0;
+        }
+    } else {
+        xf -= 0.1f;
+        if (xf < 0) {
+            xf = 0;
+        }
+    }
 
-  vector3_add(camera.origin, vector3_scaled(camera.forward, yf * 0.1f* g_camwindow_globals_private.m_nMoveSpeed));
-  camera.angles[CAMERA_YAW] += xf * -0.1f * g_camwindow_globals_private.m_nAngleSpeed;
+    vector3_add(camera.origin, vector3_scaled(camera.forward, yf * 0.1f * g_camwindow_globals_private.m_nMoveSpeed));
+    camera.angles[CAMERA_YAW] += xf * -0.1f * g_camwindow_globals_private.m_nAngleSpeed;
 
-  Camera_updateModelview(camera);
+    Camera_updateModelview(camera);
 }
 
-void Camera_mouseMove(camera_tcamera, int x, int y)
+void Camera_mouseMove(camera_t &camera, int x, int y)
 {
-  //globalOutputStream() << "mousemove... ";
-  Camera_FreeMove(camera, -x, -y);
-  camera.m_update();
-  CameraMovedNotify();
+    //globalOutputStream() << "mousemove... ";
+    Camera_FreeMove(camera, -x, -y);
+    camera.m_update();
+    CameraMovedNotify();
 }
 
 const unsigned int MOVE_NONE = 0;
@@ -382,1734 +375,1801 @@ const unsigned int MOVE_UP = 1 << 6;
 const unsigned int MOVE_DOWN = 1 << 7;
 const unsigned int MOVE_PITCHUP = 1 << 8;
 const unsigned int MOVE_PITCHDOWN = 1 << 9;
-const unsigned int MOVE_ALL = MOVE_FORWARD|MOVE_BACK|MOVE_ROTRIGHT|MOVE_ROTLEFT|MOVE_STRAFERIGHT|MOVE_STRAFELEFT|MOVE_UP|MOVE_DOWN|MOVE_PITCHUP|MOVE_PITCHDOWN;
-
-void Cam_KeyControl(camera_t& camera, float dtime)
-{
-  // Update angles
-  if (camera.movementflags & MOVE_ROTLEFT)
-    camera.angles[CAMERA_YAW] += 15 * dtime* g_camwindow_globals_private.m_nAngleSpeed;
-  if (camera.movementflags & MOVE_ROTRIGHT)
-    camera.angles[CAMERA_YAW] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
-  if (camera.movementflags & MOVE_PITCHUP)
-  {
-    camera.angles[CAMERA_PITCH] += 15 * dtime* g_camwindow_globals_private.m_nAngleSpeed;
-    if(camera.angles[CAMERA_PITCH] > 90)
-      camera.angles[CAMERA_PITCH] = 90;
-  }
-  if (camera.movementflags & MOVE_PITCHDOWN)
-  {
-    camera.angles[CAMERA_PITCH] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
-    if(camera.angles[CAMERA_PITCH] < -90)
-      camera.angles[CAMERA_PITCH] = -90;
-  }
-
-  Camera_updateModelview(camera);
-  Camera_Freemove_updateAxes(camera);
-
-  // Update position
-  if (camera.movementflags & MOVE_FORWARD)
-    vector3_add(camera.origin, vector3_scaled(camera.forward, dtime * g_camwindow_globals_private.m_nMoveSpeed));
-  if (camera.movementflags & MOVE_BACK)
-    vector3_add(camera.origin, vector3_scaled(camera.forward, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
-  if (camera.movementflags & MOVE_STRAFELEFT)
-    vector3_add(camera.origin, vector3_scaled(camera.right, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
-  if (camera.movementflags & MOVE_STRAFERIGHT)
-    vector3_add(camera.origin, vector3_scaled(camera.right, dtime * g_camwindow_globals_private.m_nMoveSpeed));
-  if (camera.movementflags & MOVE_UP)
-    vector3_add(camera.origin, vector3_scaled(g_vector3_axis_z, dtime * g_camwindow_globals_private.m_nMoveSpeed));
-  if (camera.movementflags & MOVE_DOWN)
-    vector3_add(camera.origin, vector3_scaled(g_vector3_axis_z, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
-
-  Camera_updateModelview(camera);
-}
-
-void Camera_keyMove(camera_t& camera)
-{
-  camera.m_mouseMove.flush();
-
-  //globalOutputStream() << "keymove... ";
-  float time_seconds = camera.m_keycontrol_timer.elapsed_msec() / static_cast<float>(msec_per_sec);
-  camera.m_keycontrol_timer.start();
-  if(time_seconds > 0.05f)
-  {
-    time_seconds = 0.05f; // 20fps
-  }
-  Cam_KeyControl(camera, time_seconds * 5.0f);
-
-  camera.m_update();
-  CameraMovedNotify();
+const unsigned int MOVE_ALL =
+        MOVE_FORWARD | MOVE_BACK | MOVE_ROTRIGHT | MOVE_ROTLEFT | MOVE_STRAFERIGHT | MOVE_STRAFELEFT | MOVE_UP |
+        MOVE_DOWN | MOVE_PITCHUP | MOVE_PITCHDOWN;
+
+void Cam_KeyControl(camera_t &camera, float dtime)
+{
+    // Update angles
+    if (camera.movementflags & MOVE_ROTLEFT) {
+        camera.angles[CAMERA_YAW] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
+    }
+    if (camera.movementflags & MOVE_ROTRIGHT) {
+        camera.angles[CAMERA_YAW] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
+    }
+    if (camera.movementflags & MOVE_PITCHUP) {
+        camera.angles[CAMERA_PITCH] += 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
+        if (camera.angles[CAMERA_PITCH] > 90) {
+            camera.angles[CAMERA_PITCH] = 90;
+        }
+    }
+    if (camera.movementflags & MOVE_PITCHDOWN) {
+        camera.angles[CAMERA_PITCH] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
+        if (camera.angles[CAMERA_PITCH] < -90) {
+            camera.angles[CAMERA_PITCH] = -90;
+        }
+    }
+
+    Camera_updateModelview(camera);
+    Camera_Freemove_updateAxes(camera);
+
+    // Update position
+    if (camera.movementflags & MOVE_FORWARD) {
+        vector3_add(camera.origin, vector3_scaled(camera.forward, dtime * g_camwindow_globals_private.m_nMoveSpeed));
+    }
+    if (camera.movementflags & MOVE_BACK) {
+        vector3_add(camera.origin, vector3_scaled(camera.forward, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
+    }
+    if (camera.movementflags & MOVE_STRAFELEFT) {
+        vector3_add(camera.origin, vector3_scaled(camera.right, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
+    }
+    if (camera.movementflags & MOVE_STRAFERIGHT) {
+        vector3_add(camera.origin, vector3_scaled(camera.right, dtime * g_camwindow_globals_private.m_nMoveSpeed));
+    }
+    if (camera.movementflags & MOVE_UP) {
+        vector3_add(camera.origin, vector3_scaled(g_vector3_axis_z, dtime * g_camwindow_globals_private.m_nMoveSpeed));
+    }
+    if (camera.movementflags & MOVE_DOWN) {
+        vector3_add(camera.origin, vector3_scaled(g_vector3_axis_z, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
+    }
+
+    Camera_updateModelview(camera);
+}
+
+void Camera_keyMove(camera_t &camera)
+{
+    camera.m_mouseMove.flush();
+
+    //globalOutputStream() << "keymove... ";
+    float time_seconds = camera.m_keycontrol_timer.elapsed_msec() / static_cast<float>( msec_per_sec );
+    camera.m_keycontrol_timer.start();
+    if (time_seconds > 0.05f) {
+        time_seconds = 0.05f; // 20fps
+    }
+    Cam_KeyControl(camera, time_seconds * 5.0f);
+
+    camera.m_update();
+    CameraMovedNotify();
 }
 
 gboolean camera_keymove(gpointer data)
 {
-  Camera_keyMove(*reinterpret_cast<camera_t*>(data));
-  return TRUE;
+    Camera_keyMove(*reinterpret_cast<camera_t *>( data ));
+    return TRUE;
 }
 
-void Camera_setMovementFlags(camera_tcamera, unsigned int mask)
+void Camera_setMovementFlags(camera_t &camera, unsigned int mask)
 {
-  if((~camera.movementflags & mask) != 0 && camera.movementflags == 0)
-  {
-    camera.m_keymove_handler = g_idle_add(camera_keymove, &camera);
-  }
-  camera.movementflags |= mask;
+    if ((~camera.movementflags & mask) != 0 && camera.movementflags == 0) {
+        camera.m_keymove_handler = g_idle_add(camera_keymove, &camera);
+    }
+    camera.movementflags |= mask;
 }
-void Camera_clearMovementFlags(camera_t& camera, unsigned int mask)
+
+void Camera_clearMovementFlags(camera_t &camera, unsigned int mask)
 {
-  if((camera.movementflags & ~mask) == 0 && camera.movementflags != 0)
-  {
-    g_source_remove(camera.m_keymove_handler);
-    camera.m_keymove_handler = 0;
-  }
-  camera.movementflags &= ~mask;
+    if ((camera.movementflags & ~mask) == 0 && camera.movementflags != 0) {
+        g_source_remove(camera.m_keymove_handler);
+        camera.m_keymove_handler = 0;
+    }
+    camera.movementflags &= ~mask;
 }
 
-void Camera_MoveForward_KeyDown(camera_tcamera)
+void Camera_MoveForward_KeyDown(camera_t &camera)
 {
-  Camera_setMovementFlags(camera, MOVE_FORWARD);
+    Camera_setMovementFlags(camera, MOVE_FORWARD);
 }
-void Camera_MoveForward_KeyUp(camera_t& camera)
+
+void Camera_MoveForward_KeyUp(camera_t &camera)
 {
-  Camera_clearMovementFlags(camera, MOVE_FORWARD);
+    Camera_clearMovementFlags(camera, MOVE_FORWARD);
 }
-void Camera_MoveBack_KeyDown(camera_t& camera)
+
+void Camera_MoveBack_KeyDown(camera_t &camera)
 {
-  Camera_setMovementFlags(camera, MOVE_BACK);
+    Camera_setMovementFlags(camera, MOVE_BACK);
 }
-void Camera_MoveBack_KeyUp(camera_t& camera)
+
+void Camera_MoveBack_KeyUp(camera_t &camera)
 {
-  Camera_clearMovementFlags(camera, MOVE_BACK);
+    Camera_clearMovementFlags(camera, MOVE_BACK);
 }
 
-void Camera_MoveLeft_KeyDown(camera_tcamera)
+void Camera_MoveLeft_KeyDown(camera_t &camera)
 {
-  Camera_setMovementFlags(camera, MOVE_STRAFELEFT);
+    Camera_setMovementFlags(camera, MOVE_STRAFELEFT);
 }
-void Camera_MoveLeft_KeyUp(camera_t& camera)
+
+void Camera_MoveLeft_KeyUp(camera_t &camera)
 {
-  Camera_clearMovementFlags(camera, MOVE_STRAFELEFT);
+    Camera_clearMovementFlags(camera, MOVE_STRAFELEFT);
 }
-void Camera_MoveRight_KeyDown(camera_t& camera)
+
+void Camera_MoveRight_KeyDown(camera_t &camera)
 {
-  Camera_setMovementFlags(camera, MOVE_STRAFERIGHT);
+    Camera_setMovementFlags(camera, MOVE_STRAFERIGHT);
 }
-void Camera_MoveRight_KeyUp(camera_t& camera)
+
+void Camera_MoveRight_KeyUp(camera_t &camera)
 {
-  Camera_clearMovementFlags(camera, MOVE_STRAFERIGHT);
+    Camera_clearMovementFlags(camera, MOVE_STRAFERIGHT);
 }
 
-void Camera_MoveUp_KeyDown(camera_tcamera)
+void Camera_MoveUp_KeyDown(camera_t &camera)
 {
-  Camera_setMovementFlags(camera, MOVE_UP);
+    Camera_setMovementFlags(camera, MOVE_UP);
 }
-void Camera_MoveUp_KeyUp(camera_t& camera)
+
+void Camera_MoveUp_KeyUp(camera_t &camera)
 {
-  Camera_clearMovementFlags(camera, MOVE_UP);
+    Camera_clearMovementFlags(camera, MOVE_UP);
 }
-void Camera_MoveDown_KeyDown(camera_t& camera)
+
+void Camera_MoveDown_KeyDown(camera_t &camera)
 {
-  Camera_setMovementFlags(camera, MOVE_DOWN);
+    Camera_setMovementFlags(camera, MOVE_DOWN);
 }
-void Camera_MoveDown_KeyUp(camera_t& camera)
+
+void Camera_MoveDown_KeyUp(camera_t &camera)
 {
-  Camera_clearMovementFlags(camera, MOVE_DOWN);
+    Camera_clearMovementFlags(camera, MOVE_DOWN);
 }
 
-void Camera_RotateLeft_KeyDown(camera_tcamera)
+void Camera_RotateLeft_KeyDown(camera_t &camera)
 {
-  Camera_setMovementFlags(camera, MOVE_ROTLEFT);
+    Camera_setMovementFlags(camera, MOVE_ROTLEFT);
 }
-void Camera_RotateLeft_KeyUp(camera_t& camera)
+
+void Camera_RotateLeft_KeyUp(camera_t &camera)
 {
-  Camera_clearMovementFlags(camera, MOVE_ROTLEFT);
+    Camera_clearMovementFlags(camera, MOVE_ROTLEFT);
 }
-void Camera_RotateRight_KeyDown(camera_t& camera)
+
+void Camera_RotateRight_KeyDown(camera_t &camera)
 {
-  Camera_setMovementFlags(camera, MOVE_ROTRIGHT);
+    Camera_setMovementFlags(camera, MOVE_ROTRIGHT);
 }
-void Camera_RotateRight_KeyUp(camera_t& camera)
+
+void Camera_RotateRight_KeyUp(camera_t &camera)
 {
-  Camera_clearMovementFlags(camera, MOVE_ROTRIGHT);
+    Camera_clearMovementFlags(camera, MOVE_ROTRIGHT);
 }
 
-void Camera_PitchUp_KeyDown(camera_tcamera)
+void Camera_PitchUp_KeyDown(camera_t &camera)
 {
-  Camera_setMovementFlags(camera, MOVE_PITCHUP);
+    Camera_setMovementFlags(camera, MOVE_PITCHUP);
 }
-void Camera_PitchUp_KeyUp(camera_t& camera)
+
+void Camera_PitchUp_KeyUp(camera_t &camera)
 {
-  Camera_clearMovementFlags(camera, MOVE_PITCHUP);
+    Camera_clearMovementFlags(camera, MOVE_PITCHUP);
 }
-void Camera_PitchDown_KeyDown(camera_t& camera)
+
+void Camera_PitchDown_KeyDown(camera_t &camera)
 {
-  Camera_setMovementFlags(camera, MOVE_PITCHDOWN);
+    Camera_setMovementFlags(camera, MOVE_PITCHDOWN);
 }
-void Camera_PitchDown_KeyUp(camera_t& camera)
+
+void Camera_PitchDown_KeyUp(camera_t &camera)
 {
-  Camera_clearMovementFlags(camera, MOVE_PITCHDOWN);
+    Camera_clearMovementFlags(camera, MOVE_PITCHDOWN);
 }
 
 
-typedef ReferenceCaller<camera_t, &Camera_MoveForward_KeyDown> FreeMoveCameraMoveForwardKeyDownCaller;
-typedef ReferenceCaller<camera_t, &Camera_MoveForward_KeyUp> FreeMoveCameraMoveForwardKeyUpCaller;
-typedef ReferenceCaller<camera_t, &Camera_MoveBack_KeyDown> FreeMoveCameraMoveBackKeyDownCaller;
-typedef ReferenceCaller<camera_t, &Camera_MoveBack_KeyUp> FreeMoveCameraMoveBackKeyUpCaller;
-typedef ReferenceCaller<camera_t, &Camera_MoveLeft_KeyDown> FreeMoveCameraMoveLeftKeyDownCaller;
-typedef ReferenceCaller<camera_t, &Camera_MoveLeft_KeyUp> FreeMoveCameraMoveLeftKeyUpCaller;
-typedef ReferenceCaller<camera_t, &Camera_MoveRight_KeyDown> FreeMoveCameraMoveRightKeyDownCaller;
-typedef ReferenceCaller<camera_t, &Camera_MoveRight_KeyUp> FreeMoveCameraMoveRightKeyUpCaller;
-typedef ReferenceCaller<camera_t, &Camera_MoveUp_KeyDown> FreeMoveCameraMoveUpKeyDownCaller;
-typedef ReferenceCaller<camera_t, &Camera_MoveUp_KeyUp> FreeMoveCameraMoveUpKeyUpCaller;
-typedef ReferenceCaller<camera_t, &Camera_MoveDown_KeyDown> FreeMoveCameraMoveDownKeyDownCaller;
-typedef ReferenceCaller<camera_t, &Camera_MoveDown_KeyUp> FreeMoveCameraMoveDownKeyUpCaller;
+typedef ReferenceCaller<camera_t, void(), &Camera_MoveForward_KeyDown> FreeMoveCameraMoveForwardKeyDownCaller;
+typedef ReferenceCaller<camera_t, void(), &Camera_MoveForward_KeyUp> FreeMoveCameraMoveForwardKeyUpCaller;
+typedef ReferenceCaller<camera_t, void(), &Camera_MoveBack_KeyDown> FreeMoveCameraMoveBackKeyDownCaller;
+typedef ReferenceCaller<camera_t, void(), &Camera_MoveBack_KeyUp> FreeMoveCameraMoveBackKeyUpCaller;
+typedef ReferenceCaller<camera_t, void(), &Camera_MoveLeft_KeyDown> FreeMoveCameraMoveLeftKeyDownCaller;
+typedef ReferenceCaller<camera_t, void(), &Camera_MoveLeft_KeyUp> FreeMoveCameraMoveLeftKeyUpCaller;
+typedef ReferenceCaller<camera_t, void(), &Camera_MoveRight_KeyDown> FreeMoveCameraMoveRightKeyDownCaller;
+typedef ReferenceCaller<camera_t, void(), &Camera_MoveRight_KeyUp> FreeMoveCameraMoveRightKeyUpCaller;
+typedef ReferenceCaller<camera_t, void(), &Camera_MoveUp_KeyDown> FreeMoveCameraMoveUpKeyDownCaller;
+typedef ReferenceCaller<camera_t, void(), &Camera_MoveUp_KeyUp> FreeMoveCameraMoveUpKeyUpCaller;
+typedef ReferenceCaller<camera_t, void(), &Camera_MoveDown_KeyDown> FreeMoveCameraMoveDownKeyDownCaller;
+typedef ReferenceCaller<camera_t, void(), &Camera_MoveDown_KeyUp> FreeMoveCameraMoveDownKeyUpCaller;
 
 
-#define SPEED_MOVE 32
-#define SPEED_TURN 22.5
-#define MIN_CAM_SPEED 10
-#define MAX_CAM_SPEED 610
-#define CAM_SPEED_STEP 50
+const float SPEED_MOVE = 32;
+const float SPEED_TURN = 22.5;
+const float MIN_CAM_SPEED = 10;
+const float MAX_CAM_SPEED = 610;
+const float CAM_SPEED_STEP = 50;
 
-void Camera_MoveForward_Discrete(camera_tcamera)
+void Camera_MoveForward_Discrete(camera_t &camera)
 {
-  Camera_Move_updateAxes(camera);
-  Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.forward, SPEED_MOVE)));
+    Camera_Move_updateAxes(camera);
+    Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.forward, SPEED_MOVE)));
 }
-void Camera_MoveBack_Discrete(camera_t& camera)
+
+void Camera_MoveBack_Discrete(camera_t &camera)
 {
-  Camera_Move_updateAxes(camera);
-  Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.forward, -SPEED_MOVE)));
+    Camera_Move_updateAxes(camera);
+    Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.forward, -SPEED_MOVE)));
 }
 
-void Camera_MoveUp_Discrete(camera_tcamera)
+void Camera_MoveUp_Discrete(camera_t &camera)
 {
-  Vector3 origin(Camera_getOrigin(camera));
-  origin[2] += SPEED_MOVE;
-  Camera_setOrigin(camera, origin);
+    Vector3 origin(Camera_getOrigin(camera));
+    origin[2] += SPEED_MOVE;
+    Camera_setOrigin(camera, origin);
 }
-void Camera_MoveDown_Discrete(camera_t& camera)
+
+void Camera_MoveDown_Discrete(camera_t &camera)
 {
-  Vector3 origin(Camera_getOrigin(camera));
-  origin[2] -= SPEED_MOVE;
-  Camera_setOrigin(camera, origin);
+    Vector3 origin(Camera_getOrigin(camera));
+    origin[2] -= SPEED_MOVE;
+    Camera_setOrigin(camera, origin);
 }
 
-void Camera_MoveLeft_Discrete(camera_tcamera)
+void Camera_MoveLeft_Discrete(camera_t &camera)
 {
-  Camera_Move_updateAxes(camera);
-  Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.right, -SPEED_MOVE)));
+    Camera_Move_updateAxes(camera);
+    Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.right, -SPEED_MOVE)));
 }
-void Camera_MoveRight_Discrete(camera_t& camera)
+
+void Camera_MoveRight_Discrete(camera_t &camera)
 {
-  Camera_Move_updateAxes(camera);
-  Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.right, SPEED_MOVE)));
+    Camera_Move_updateAxes(camera);
+    Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.right, SPEED_MOVE)));
 }
 
-void Camera_RotateLeft_Discrete(camera_tcamera)
+void Camera_RotateLeft_Discrete(camera_t &camera)
 {
-  Vector3 angles(Camera_getAngles(camera));
-  angles[CAMERA_YAW] += SPEED_TURN;
-  Camera_setAngles(camera, angles);
+    Vector3 angles(Camera_getAngles(camera));
+    angles[CAMERA_YAW] += SPEED_TURN;
+    Camera_setAngles(camera, angles);
 }
-void Camera_RotateRight_Discrete(camera_t& camera)
+
+void Camera_RotateRight_Discrete(camera_t &camera)
 {
-  Vector3 angles(Camera_getAngles(camera));
-  angles[CAMERA_YAW] -= SPEED_TURN;
-  Camera_setAngles(camera, angles);
+    Vector3 angles(Camera_getAngles(camera));
+    angles[CAMERA_YAW] -= SPEED_TURN;
+    Camera_setAngles(camera, angles);
 }
 
-void Camera_PitchUp_Discrete(camera_tcamera)
+void Camera_PitchUp_Discrete(camera_t &camera)
 {
-  Vector3 angles(Camera_getAngles(camera));
-  angles[CAMERA_PITCH] += SPEED_TURN;
-  if (angles[CAMERA_PITCH] > 90)
-    angles[CAMERA_PITCH] = 90;
-  Camera_setAngles(camera, angles);
+    Vector3 angles(Camera_getAngles(camera));
+    angles[CAMERA_PITCH] += SPEED_TURN;
+    if (angles[CAMERA_PITCH] > 90) {
+        angles[CAMERA_PITCH] = 90;
+    }
+    Camera_setAngles(camera, angles);
 }
-void Camera_PitchDown_Discrete(camera_t& camera)
+
+void Camera_PitchDown_Discrete(camera_t &camera)
 {
-  Vector3 angles(Camera_getAngles(camera));
-  angles[CAMERA_PITCH] -= SPEED_TURN;
-  if (angles[CAMERA_PITCH] < -90)
-    angles[CAMERA_PITCH] = -90;
-  Camera_setAngles(camera, angles);
+    Vector3 angles(Camera_getAngles(camera));
+    angles[CAMERA_PITCH] -= SPEED_TURN;
+    if (angles[CAMERA_PITCH] < -90) {
+        angles[CAMERA_PITCH] = -90;
+    }
+    Camera_setAngles(camera, angles);
 }
 
 
-class RadiantCameraView : public CameraView
-{
-  camera_t& m_camera;
-  View* m_view;
-  Callback m_update;
+class RadiantCameraView : public CameraView {
+    camera_t &m_camera;
+    View *m_view;
+    Callback<void()> m_update;
 public:
-  RadiantCameraView(camera_t& camera, View* view, const Callback& update) : m_camera(camera), m_view(view), m_update(update)
-  {
-  }
-  void update()
-  {
-    m_view->Construct(m_camera.projection, m_camera.modelview, m_camera.width, m_camera.height);
-    m_update();
-  }
-  void setModelview(const Matrix4& modelview)
-  {
-    m_camera.modelview = modelview;
-    matrix4_multiply_by_matrix4(m_camera.modelview, g_radiant2opengl);
-    matrix4_affine_invert(m_camera.modelview);
-    Camera_updateVectors(m_camera);
-    update();
-  }
-  void setFieldOfView(float fieldOfView)
-  {
-    float farClip = Camera_getFarClipPlane(m_camera);
-    m_camera.projection = projection_for_camera(farClip / 4096.0f, farClip, fieldOfView, m_camera.width, m_camera.height);
-    update();
-  }
+    RadiantCameraView(camera_t &camera, View *view, const Callback<void()> &update) : m_camera(camera), m_view(view),
+                                                                                      m_update(update)
+    {
+    }
+
+    void update()
+    {
+        m_view->Construct(m_camera.projection, m_camera.modelview, m_camera.width, m_camera.height);
+        m_update();
+    }
+
+    void setModelview(const Matrix4 &modelview)
+    {
+        m_camera.modelview = modelview;
+        matrix4_multiply_by_matrix4(m_camera.modelview, g_radiant2opengl);
+        matrix4_affine_invert(m_camera.modelview);
+        Camera_updateVectors(m_camera);
+        update();
+    }
+
+    void setFieldOfView(float fieldOfView)
+    {
+        float farClip = Camera_getFarClipPlane(m_camera);
+        m_camera.projection = projection_for_camera(farClip / 4096.0f, farClip, fieldOfView, m_camera.width,
+                                                    m_camera.height);
+        update();
+    }
 };
 
 
-void Camera_motionDelta(int x, int y, unsigned int state, voiddata)
-{
-  camera_t* cam = reinterpret_cast<camera_t*>(data);
-
-  cam->m_mouseMove.motion_delta(x, y, state);
-
-       switch(g_camwindow_globals_private.m_nStrafeMode)
-       {
-               case 0:
-                       cam->m_strafe = (state & GDK_CONTROL_MASK) != 0;
-                       if(cam->m_strafe)
-                               cam->m_strafe_forward = (state & GDK_SHIFT_MASK) != 0;
-                       else
-                               cam->m_strafe_forward = false;
-                       break;
-               case 1:
-                       cam->m_strafe = (state & GDK_CONTROL_MASK) != 0 && (state & GDK_SHIFT_MASK) == 0;
-                       cam->m_strafe_forward = false;
-                       break;
-               case 2:
-                       cam->m_strafe = (state & GDK_CONTROL_MASK) != 0 && (state & GDK_SHIFT_MASK) == 0;
-                       cam->m_strafe_forward = cam->m_strafe;
-                       break;
-       }
+void Camera_motionDelta(int x, int y, unsigned int state, void *data)
+{
+    camera_t *cam = reinterpret_cast<camera_t *>( data );
+
+    cam->m_mouseMove.motion_delta(x, y, state);
+
+    switch (g_camwindow_globals_private.m_nStrafeMode) {
+        case 0:
+            cam->m_strafe = (state & GDK_CONTROL_MASK) != 0;
+            if (cam->m_strafe) {
+                cam->m_strafe_forward = (state & GDK_SHIFT_MASK) != 0;
+            } else {
+                cam->m_strafe_forward = false;
+            }
+            break;
+        case 1:
+            cam->m_strafe = (state & GDK_CONTROL_MASK) != 0 && (state & GDK_SHIFT_MASK) == 0;
+            cam->m_strafe_forward = false;
+            break;
+        case 2:
+            cam->m_strafe = (state & GDK_CONTROL_MASK) != 0 && (state & GDK_SHIFT_MASK) == 0;
+            cam->m_strafe_forward = cam->m_strafe;
+            break;
+    }
 }
 
-class CamWnd
-{
-  View m_view;
-  camera_t m_Camera;
-  RadiantCameraView m_cameraview;
+class CamWnd {
+    View m_view;
+    camera_t m_Camera;
+    RadiantCameraView m_cameraview;
 #if 0
-  int m_PositionDragCursorX;
-  int m_PositionDragCursorY;
+                                                                                                                            int m_PositionDragCursorX;
+int m_PositionDragCursorY;
 #endif
 
-  guint m_freemove_handle_focusout;
+    guint m_freemove_handle_focusout;
 
-  static Shader* m_state_select1;
-  static Shader* m_state_select2;
+    static Shader *m_state_select1;
+    static Shader *m_state_select2;
 
-  FreezePointer m_freezePointer;
+    FreezePointer m_freezePointer;
 
 public:
-  GtkWidget* m_gl_widget;
-  GtkWindow* m_parent;
+    ui::GLArea m_gl_widget;
+    ui::Window m_parent{ui::null};
+
+    SelectionSystemWindowObserver *m_window_observer;
+    XORRectangle m_XORRectangle;
+
+    DeferredDraw m_deferredDraw;
+    DeferredMotion m_deferred_motion;
+
+    guint m_selection_button_press_handler;
+    guint m_selection_button_release_handler;
+    guint m_selection_motion_handler;
+
+    guint m_freelook_button_press_handler;
+
+    guint m_sizeHandler;
+    guint m_exposeHandler;
+
+    CamWnd();
 
-  SelectionSystemWindowObserver* m_window_observer;
-  XORRectangle m_XORRectangle;
+    ~CamWnd();
 
-  DeferredDraw m_deferredDraw;
-  DeferredMotion m_deferred_motion;
+    bool m_drawing;
 
-  guint m_selection_button_press_handler;
-  guint m_selection_button_release_handler;
-  guint m_selection_motion_handler;
+    void queue_draw()
+    {
+        //ASSERT_MESSAGE(!m_drawing, "CamWnd::queue_draw(): called while draw is already in progress");
+        if (m_drawing) {
+            return;
+        }
+        //globalOutputStream() << "queue... ";
+        m_deferredDraw.draw();
+    }
 
-  guint m_freelook_button_press_handler;
+    void draw();
 
-  guint m_sizeHandler;
-  guint m_exposeHandler;
+    static void captureStates()
+    {
+        m_state_select1 = GlobalShaderCache().capture("$CAM_HIGHLIGHT");
+        m_state_select2 = GlobalShaderCache().capture("$CAM_OVERLAY");
+    }
 
-  CamWnd();
-  ~CamWnd();
+    static void releaseStates()
+    {
+        GlobalShaderCache().release("$CAM_HIGHLIGHT");
+        GlobalShaderCache().release("$CAM_OVERLAY");
+    }
 
-  bool m_drawing;
-  void queue_draw()
-  {
-    //ASSERT_MESSAGE(!m_drawing, "CamWnd::queue_draw(): called while draw is already in progress");
-    if(m_drawing)
+    camera_t &getCamera()
     {
-      return;
-    }
-    //globalOutputStream() << "queue... ";
-    m_deferredDraw.draw();
-  }
-  void draw();
-
-  static void captureStates()
-  {
-    m_state_select1 = GlobalShaderCache().capture("$CAM_HIGHLIGHT");
-    m_state_select2 = GlobalShaderCache().capture("$CAM_OVERLAY");
-  }
-  static void releaseStates()
-  {
-    GlobalShaderCache().release("$CAM_HIGHLIGHT");
-    GlobalShaderCache().release("$CAM_OVERLAY");
-  }
-
-  camera_t& getCamera()
-  {
-    return m_Camera;
-  };
-
-  void BenchMark();
-  void Cam_ChangeFloor(bool up);
-
-  void DisableFreeMove();
-  void EnableFreeMove();
-  bool m_bFreeMove;
-
-  CameraView& getCameraView()
-  {
-    return m_cameraview;
-  }
+        return m_Camera;
+    };
+
+    void BenchMark();
+
+    void Cam_ChangeFloor(bool up);
+
+    void DisableFreeMove();
+
+    void EnableFreeMove();
+
+    bool m_bFreeMove;
+
+    CameraView &getCameraView()
+    {
+        return m_cameraview;
+    }
 
 private:
-  void Cam_Draw();
+    void Cam_Draw();
 };
 
-typedef MemberCaller<CamWnd, &CamWnd::queue_draw> CamWndQueueDraw;
+typedef MemberCaller<CamWnd, void(), &CamWnd::queue_draw> CamWndQueueDraw;
 
-ShaderCamWnd::m_state_select1 = 0;
-ShaderCamWnd::m_state_select2 = 0;
+Shader *CamWnd::m_state_select1 = 0;
+Shader *CamWnd::m_state_select2 = 0;
 
-CamWndNewCamWnd()
+CamWnd *NewCamWnd()
 {
-  return new CamWnd;
+    return new CamWnd;
 }
-void DeleteCamWnd(CamWnd* camwnd)
+
+void DeleteCamWnd(CamWnd *camwnd)
 {
-  delete camwnd;
+    delete camwnd;
 }
 
 void CamWnd_constructStatic()
 {
-  CamWnd::captureStates();
+    CamWnd::captureStates();
 }
 
 void CamWnd_destroyStatic()
 {
-  CamWnd::releaseStates();
+    CamWnd::releaseStates();
 }
 
-static CamWndg_camwnd = 0;
+static CamWnd *g_camwnd = 0;
 
-void GlobalCamera_setCamWnd(CamWndcamwnd)
+void GlobalCamera_setCamWnd(CamWnd &camwnd)
 {
-  g_camwnd = &camwnd;
+    g_camwnd = &camwnd;
 }
 
 
-GtkWidget* CamWnd_getWidget(CamWnd& camwnd)
+ui::GLArea CamWnd_getWidget(CamWnd &camwnd)
 {
-  return camwnd.m_gl_widget;
+    return camwnd.m_gl_widget;
 }
 
-GtkWindow* CamWnd_getParent(CamWnd& camwnd)
+ui::Window CamWnd_getParent(CamWnd &camwnd)
 {
-  return camwnd.m_parent;
+    return camwnd.m_parent;
 }
 
 ToggleShown g_camera_shown(true);
 
-void CamWnd_setParent(CamWnd& camwnd, GtkWindow* parent)
+void CamWnd_setParent(CamWnd &camwnd, ui::Window parent)
 {
-  camwnd.m_parent = parent;
-  g_camera_shown.connect(GTK_WIDGET(camwnd.m_parent));
+    camwnd.m_parent = parent;
+    g_camera_shown.connect(camwnd.m_parent);
 }
 
-void CamWnd_Update(CamWndcamwnd)
+void CamWnd_Update(CamWnd &camwnd)
 {
-  camwnd.queue_draw();
+    camwnd.queue_draw();
 }
 
 
-
 camwindow_globals_t g_camwindow_globals;
 
-const Vector3& Camera_getOrigin(CamWnd& camwnd)
+const Vector3 &Camera_getOrigin(CamWnd &camwnd)
 {
-  return Camera_getOrigin(camwnd.getCamera());
+    return Camera_getOrigin(camwnd.getCamera());
 }
 
-void Camera_setOrigin(CamWnd& camwnd, const Vector3& origin)
+void Camera_setOrigin(CamWnd &camwnd, const Vector3 &origin)
 {
-  Camera_setOrigin(camwnd.getCamera(), origin);
+    Camera_setOrigin(camwnd.getCamera(), origin);
 }
 
-const Vector3& Camera_getAngles(CamWnd& camwnd)
+const Vector3 &Camera_getAngles(CamWnd &camwnd)
 {
-  return Camera_getAngles(camwnd.getCamera());
+    return Camera_getAngles(camwnd.getCamera());
 }
 
-void Camera_setAngles(CamWnd& camwnd, const Vector3& angles)
+void Camera_setAngles(CamWnd &camwnd, const Vector3 &angles)
 {
-  Camera_setAngles(camwnd.getCamera(), angles);
+    Camera_setAngles(camwnd.getCamera(), angles);
 }
 
 
 // =============================================================================
 // CamWnd class
 
-gboolean enable_freelook_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
+gboolean enable_freelook_button_press(ui::Widget widget, GdkEventButton *event, CamWnd *camwnd)
 {
-  if(event->type == GDK_BUTTON_PRESS && event->button == 3)
-  {
-    camwnd->EnableFreeMove();
-    return TRUE;
-  }
-  return FALSE;
+    if (event->type == GDK_BUTTON_PRESS && event->button == 3) {
+        camwnd->EnableFreeMove();
+        return TRUE;
+    }
+    return FALSE;
 }
 
-gboolean disable_freelook_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
+gboolean disable_freelook_button_press(ui::Widget widget, GdkEventButton *event, CamWnd *camwnd)
 {
-  if(event->type == GDK_BUTTON_PRESS && event->button == 3)
-  {
-    camwnd->DisableFreeMove();
-    return TRUE;
-  }
-  return FALSE;
+    if (event->type == GDK_BUTTON_PRESS && event->button == 3) {
+        camwnd->DisableFreeMove();
+        return TRUE;
+    }
+    return FALSE;
 }
 
 #if 0
-gboolean mousecontrol_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
-{
-  if(event->type == GDK_BUTTON_PRESS && event->button == 3)
-  {
-    Cam_MouseControl(camwnd->getCamera(), event->x, widget->allocation.height - 1 - event->y);
-  }
-  return FALSE;
+                                                                                                                        gboolean mousecontrol_button_press( ui::Widget widget, GdkEventButton* event, CamWnd* camwnd ){
+       if ( event->type == GDK_BUTTON_PRESS && event->button == 3 ) {
+               Cam_MouseControl( camwnd->getCamera(), event->x, widget->allocation.height - 1 - event->y );
+       }
+       return FALSE;
 }
 #endif
 
-void camwnd_update_xor_rectangle(CamWndself, rect_t area)
+void camwnd_update_xor_rectangle(CamWnd &self, rect_t area)
 {
-  if(GTK_WIDGET_VISIBLE(self.m_gl_widget))
-  {
-    self.m_XORRectangle.set(rectangle_from_area(area.min, area.max, self.getCamera().width, self.getCamera().height));
-  }
+    if (self.m_gl_widget.visible()) {
+        self.m_XORRectangle.set(
+                rectangle_from_area(area.min, area.max, self.getCamera().width, self.getCamera().height));
+    }
 }
 
 
-gboolean selection_button_press(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
+gboolean selection_button_press(ui::Widget widget, GdkEventButton *event, WindowObserver *observer)
 {
-  if(event->type == GDK_BUTTON_PRESS)
-  {
-    observer->onMouseDown(WindowVector_forDouble(event->x, event->y), button_for_button(event->button), modifiers_for_state(event->state));
-  }
-  return FALSE;
+    if (event->type == GDK_BUTTON_PRESS) {
+        observer->onMouseDown(WindowVector_forDouble(event->x, event->y), button_for_button(event->button),
+                              modifiers_for_state(event->state));
+    }
+    return FALSE;
 }
 
-gboolean selection_button_release(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
+gboolean selection_button_release(ui::Widget widget, GdkEventButton *event, WindowObserver *observer)
 {
-  if(event->type == GDK_BUTTON_RELEASE)
-  {
-    observer->onMouseUp(WindowVector_forDouble(event->x, event->y), button_for_button(event->button), modifiers_for_state(event->state));
-  }
-  return FALSE;
+    if (event->type == GDK_BUTTON_RELEASE) {
+        observer->onMouseUp(WindowVector_forDouble(event->x, event->y), button_for_button(event->button),
+                            modifiers_for_state(event->state));
+    }
+    return FALSE;
 }
 
-void selection_motion(gdouble x, gdouble y, guint state, voiddata)
+void selection_motion(gdouble x, gdouble y, guint state, void *data)
 {
-  //globalOutputStream() << "motion... ";
-  reinterpret_cast<WindowObserver*>(data)->onMouseMotion(WindowVector_forDouble(x, y), modifiers_for_state(state));
+    //globalOutputStream() << "motion... ";
+    reinterpret_cast<WindowObserver *>( data )->onMouseMotion(WindowVector_forDouble(x, y), modifiers_for_state(state));
 }
 
-inline WindowVector windowvector_for_widget_centre(GtkWidget* widget)
+inline WindowVector windowvector_for_widget_centre(ui::Widget widget)
 {
-  return WindowVector(static_cast<float>(widget->allocation.width / 2), static_cast<float>(widget->allocation.height / 2));
+    auto allocation = widget.dimensions();
+    return WindowVector(static_cast<float>( allocation.width / 2 ), static_cast<float>(allocation.height / 2 ));
 }
 
-gboolean selection_button_press_freemove(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
+gboolean selection_button_press_freemove(ui::Widget widget, GdkEventButton *event, WindowObserver *observer)
 {
-  if(event->type == GDK_BUTTON_PRESS)
-  {
-    observer->onMouseDown(windowvector_for_widget_centre(widget), button_for_button(event->button), modifiers_for_state(event->state));
-  }
-  return FALSE;
+    if (event->type == GDK_BUTTON_PRESS) {
+        observer->onMouseDown(windowvector_for_widget_centre(widget), button_for_button(event->button),
+                              modifiers_for_state(event->state));
+    }
+    return FALSE;
 }
 
-gboolean selection_button_release_freemove(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
+gboolean selection_button_release_freemove(ui::Widget widget, GdkEventButton *event, WindowObserver *observer)
 {
-  if(event->type == GDK_BUTTON_RELEASE)
-  {
-    observer->onMouseUp(windowvector_for_widget_centre(widget), button_for_button(event->button), modifiers_for_state(event->state));
-  }
-  return FALSE;
+    if (event->type == GDK_BUTTON_RELEASE) {
+        observer->onMouseUp(windowvector_for_widget_centre(widget), button_for_button(event->button),
+                            modifiers_for_state(event->state));
+    }
+    return FALSE;
 }
 
-gboolean selection_motion_freemove(GtkWidget *widget, GdkEventMotion *event, WindowObserver* observer)
+gboolean selection_motion_freemove(ui::Widget widget, GdkEventMotion *event, WindowObserver *observer)
 {
-  observer->onMouseMotion(windowvector_for_widget_centre(widget), modifiers_for_state(event->state));
-  return FALSE;
+    observer->onMouseMotion(windowvector_for_widget_centre(widget), modifiers_for_state(event->state));
+    return FALSE;
 }
 
-gboolean wheelmove_scroll(GtkWidget* widget, GdkEventScroll* event, CamWnd* camwnd)
+gboolean wheelmove_scroll(ui::Widget widget, GdkEventScroll *event, CamWnd *camwnd)
 {
-  if(event->direction == GDK_SCROLL_UP)
-  {
-    Camera_Freemove_updateAxes(camwnd->getCamera());
-    Camera_setOrigin(*camwnd, vector3_added(Camera_getOrigin(*camwnd), vector3_scaled(camwnd->getCamera().forward, static_cast<float>(g_camwindow_globals_private.m_nMoveSpeed))));
-  }
-  else if(event->direction == GDK_SCROLL_DOWN)
-  {
-    Camera_Freemove_updateAxes(camwnd->getCamera());
-    Camera_setOrigin(*camwnd, vector3_added(Camera_getOrigin(*camwnd), vector3_scaled(camwnd->getCamera().forward, -static_cast<float>(g_camwindow_globals_private.m_nMoveSpeed))));
-  }
+    if (event->direction == GDK_SCROLL_UP) {
+        Camera_Freemove_updateAxes(camwnd->getCamera());
+        Camera_setOrigin(*camwnd, vector3_added(Camera_getOrigin(*camwnd), vector3_scaled(camwnd->getCamera().forward,
+                                                                                          static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ))));
+    } else if (event->direction == GDK_SCROLL_DOWN) {
+        Camera_Freemove_updateAxes(camwnd->getCamera());
+        Camera_setOrigin(*camwnd, vector3_added(Camera_getOrigin(*camwnd), vector3_scaled(camwnd->getCamera().forward,
+                                                                                          -static_cast<float>( g_camwindow_globals_private.m_nMoveSpeed ))));
+    }
 
-  return FALSE;
+    return FALSE;
 }
 
-gboolean camera_size_allocate(GtkWidget* widget, GtkAllocation* allocation, CamWnd* camwnd)
+gboolean camera_size_allocate(ui::Widget widget, GtkAllocation *allocation, CamWnd *camwnd)
 {
-  camwnd->getCamera().width = allocation->width;
-  camwnd->getCamera().height = allocation->height;
-  Camera_updateProjection(camwnd->getCamera());
-  camwnd->m_window_observer->onSizeChanged(camwnd->getCamera().width, camwnd->getCamera().height);
-  camwnd->queue_draw();
-  return FALSE;
-}
+    camwnd->getCamera().width = allocation->width;
+    camwnd->getCamera().height = allocation->height;
+    Camera_updateProjection(camwnd->getCamera());
+    camwnd->m_window_observer->onSizeChanged(camwnd->getCamera().width, camwnd->getCamera().height);
+    camwnd->queue_draw();
+    return FALSE;
+}
 
-gboolean camera_expose(GtkWidget* widget, GdkEventExpose* event, gpointer data)
+gboolean camera_expose(ui::Widget widget, GdkEventExpose *event, gpointer data)
 {
-  reinterpret_cast<CamWnd*>(data)->draw();
-  return FALSE;
+    reinterpret_cast<CamWnd *>( data )->draw();
+    return FALSE;
 }
 
-void KeyEvent_connect(const charname)
+void KeyEvent_connect(const char *name)
 {
-  const KeyEvent& keyEvent = GlobalKeyEvents_find(name);
-  keydown_accelerators_add(keyEvent.m_accelerator, keyEvent.m_keyDown);
-  keyup_accelerators_add(keyEvent.m_accelerator, keyEvent.m_keyUp);
-}
-
-void KeyEvent_disconnect(const char* name)
-{
-  const KeyEvent& keyEvent = GlobalKeyEvents_find(name);
-  keydown_accelerators_remove(keyEvent.m_accelerator);
-  keyup_accelerators_remove(keyEvent.m_accelerator);
-}
-
-void CamWnd_registerCommands(CamWnd& camwnd)
-{
-  GlobalKeyEvents_insert("CameraForward", Accelerator(GDK_Up),
-    ReferenceCaller<camera_t, Camera_MoveForward_KeyDown>(camwnd.getCamera()),
-    ReferenceCaller<camera_t, Camera_MoveForward_KeyUp>(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraBack", Accelerator(GDK_Down),
-    ReferenceCaller<camera_t, Camera_MoveBack_KeyDown>(camwnd.getCamera()),
-    ReferenceCaller<camera_t, Camera_MoveBack_KeyUp>(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraLeft", Accelerator(GDK_Left),
-    ReferenceCaller<camera_t, Camera_RotateLeft_KeyDown>(camwnd.getCamera()),
-    ReferenceCaller<camera_t, Camera_RotateLeft_KeyUp>(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraRight", Accelerator(GDK_Right),
-    ReferenceCaller<camera_t, Camera_RotateRight_KeyDown>(camwnd.getCamera()),
-    ReferenceCaller<camera_t, Camera_RotateRight_KeyUp>(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraStrafeRight", Accelerator(GDK_period),
-    ReferenceCaller<camera_t, Camera_MoveRight_KeyDown>(camwnd.getCamera()),
-    ReferenceCaller<camera_t, Camera_MoveRight_KeyUp>(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraStrafeLeft", Accelerator(GDK_comma),
-    ReferenceCaller<camera_t, Camera_MoveLeft_KeyDown>(camwnd.getCamera()),
-    ReferenceCaller<camera_t, Camera_MoveLeft_KeyUp>(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraUp", Accelerator('D'),
-    ReferenceCaller<camera_t, Camera_MoveUp_KeyDown>(camwnd.getCamera()),
-    ReferenceCaller<camera_t, Camera_MoveUp_KeyUp>(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraDown", Accelerator('C'),
-    ReferenceCaller<camera_t, Camera_MoveDown_KeyDown>(camwnd.getCamera()),
-    ReferenceCaller<camera_t, Camera_MoveDown_KeyUp>(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraAngleDown", Accelerator('A'),
-    ReferenceCaller<camera_t, Camera_PitchDown_KeyDown>(camwnd.getCamera()),
-    ReferenceCaller<camera_t, Camera_PitchDown_KeyUp>(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraAngleUp", Accelerator('Z'),
-    ReferenceCaller<camera_t, Camera_PitchUp_KeyDown>(camwnd.getCamera()),
-    ReferenceCaller<camera_t, Camera_PitchUp_KeyUp>(camwnd.getCamera())
-  );
-
-  GlobalKeyEvents_insert("CameraFreeMoveForward", Accelerator(GDK_Up),
-    FreeMoveCameraMoveForwardKeyDownCaller(camwnd.getCamera()),
-    FreeMoveCameraMoveForwardKeyUpCaller(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraFreeMoveBack", Accelerator(GDK_Down),
-    FreeMoveCameraMoveBackKeyDownCaller(camwnd.getCamera()),
-    FreeMoveCameraMoveBackKeyUpCaller(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraFreeMoveLeft", Accelerator(GDK_Left),
-    FreeMoveCameraMoveLeftKeyDownCaller(camwnd.getCamera()),
-    FreeMoveCameraMoveLeftKeyUpCaller(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraFreeMoveRight", Accelerator(GDK_Right),
-    FreeMoveCameraMoveRightKeyDownCaller(camwnd.getCamera()),
-    FreeMoveCameraMoveRightKeyUpCaller(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraFreeMoveUp", Accelerator('D'),
-    FreeMoveCameraMoveUpKeyDownCaller(camwnd.getCamera()),
-    FreeMoveCameraMoveUpKeyUpCaller(camwnd.getCamera())
-  );
-  GlobalKeyEvents_insert("CameraFreeMoveDown", Accelerator('C'),
-    FreeMoveCameraMoveDownKeyDownCaller(camwnd.getCamera()),
-    FreeMoveCameraMoveDownKeyUpCaller(camwnd.getCamera())
-  );
-
-  GlobalCommands_insert("CameraForward", ReferenceCaller<camera_t, Camera_MoveForward_Discrete>(camwnd.getCamera()), Accelerator(GDK_Up));
-  GlobalCommands_insert("CameraBack", ReferenceCaller<camera_t, Camera_MoveBack_Discrete>(camwnd.getCamera()), Accelerator(GDK_Down));
-  GlobalCommands_insert("CameraLeft", ReferenceCaller<camera_t, Camera_RotateLeft_Discrete>(camwnd.getCamera()), Accelerator(GDK_Left));
-  GlobalCommands_insert("CameraRight", ReferenceCaller<camera_t, Camera_RotateRight_Discrete>(camwnd.getCamera()), Accelerator(GDK_Right));
-  GlobalCommands_insert("CameraStrafeRight", ReferenceCaller<camera_t, Camera_MoveRight_Discrete>(camwnd.getCamera()), Accelerator(GDK_period));
-  GlobalCommands_insert("CameraStrafeLeft", ReferenceCaller<camera_t, Camera_MoveLeft_Discrete>(camwnd.getCamera()), Accelerator(GDK_comma));
-
-  GlobalCommands_insert("CameraUp", ReferenceCaller<camera_t, Camera_MoveUp_Discrete>(camwnd.getCamera()), Accelerator('D'));
-  GlobalCommands_insert("CameraDown", ReferenceCaller<camera_t, Camera_MoveDown_Discrete>(camwnd.getCamera()), Accelerator('C'));
-  GlobalCommands_insert("CameraAngleUp", ReferenceCaller<camera_t, Camera_PitchUp_Discrete>(camwnd.getCamera()), Accelerator('A'));
-  GlobalCommands_insert("CameraAngleDown", ReferenceCaller<camera_t, Camera_PitchDown_Discrete>(camwnd.getCamera()), Accelerator('Z'));
-}
-
-void CamWnd_Move_Enable(CamWnd& camwnd)
-{
-  KeyEvent_connect("CameraForward");
-  KeyEvent_connect("CameraBack");
-  KeyEvent_connect("CameraLeft");
-  KeyEvent_connect("CameraRight");
-  KeyEvent_connect("CameraStrafeRight");
-  KeyEvent_connect("CameraStrafeLeft");
-  KeyEvent_connect("CameraUp");
-  KeyEvent_connect("CameraDown");
-  KeyEvent_connect("CameraAngleUp");
-  KeyEvent_connect("CameraAngleDown");
-}
-
-void CamWnd_Move_Disable(CamWnd& camwnd)
-{
-  KeyEvent_disconnect("CameraForward");
-  KeyEvent_disconnect("CameraBack");
-  KeyEvent_disconnect("CameraLeft");
-  KeyEvent_disconnect("CameraRight");
-  KeyEvent_disconnect("CameraStrafeRight");
-  KeyEvent_disconnect("CameraStrafeLeft");
-  KeyEvent_disconnect("CameraUp");
-  KeyEvent_disconnect("CameraDown");
-  KeyEvent_disconnect("CameraAngleUp");
-  KeyEvent_disconnect("CameraAngleDown");
-}
-
-void CamWnd_Move_Discrete_Enable(CamWnd& camwnd)
-{
-  command_connect_accelerator("CameraForward");
-  command_connect_accelerator("CameraBack");
-  command_connect_accelerator("CameraLeft");
-  command_connect_accelerator("CameraRight");
-  command_connect_accelerator("CameraStrafeRight");
-  command_connect_accelerator("CameraStrafeLeft");
-  command_connect_accelerator("CameraUp");
-  command_connect_accelerator("CameraDown");
-  command_connect_accelerator("CameraAngleUp");
-  command_connect_accelerator("CameraAngleDown");
-}
-
-void CamWnd_Move_Discrete_Disable(CamWnd& camwnd)
-{
-  command_disconnect_accelerator("CameraForward");
-  command_disconnect_accelerator("CameraBack");
-  command_disconnect_accelerator("CameraLeft");
-  command_disconnect_accelerator("CameraRight");
-  command_disconnect_accelerator("CameraStrafeRight");
-  command_disconnect_accelerator("CameraStrafeLeft");
-  command_disconnect_accelerator("CameraUp");
-  command_disconnect_accelerator("CameraDown");
-  command_disconnect_accelerator("CameraAngleUp");
-  command_disconnect_accelerator("CameraAngleDown");
-}
-
-void CamWnd_Move_Discrete_Import(CamWnd& camwnd, bool value)
-{
-  if(g_camwindow_globals_private.m_bCamDiscrete)
-  {
-    CamWnd_Move_Discrete_Disable(camwnd);
-  }
-  else
-  {
-    CamWnd_Move_Disable(camwnd);
-  }
-
-  g_camwindow_globals_private.m_bCamDiscrete = value;
-
-  if(g_camwindow_globals_private.m_bCamDiscrete)
-  {
-    CamWnd_Move_Discrete_Enable(camwnd);
-  }
-  else
-  {
-    CamWnd_Move_Enable(camwnd);
-  }
+    const KeyEvent &keyEvent = GlobalKeyEvents_find(name);
+    keydown_accelerators_add(keyEvent.m_accelerator, keyEvent.m_keyDown);
+    keyup_accelerators_add(keyEvent.m_accelerator, keyEvent.m_keyUp);
 }
 
-void CamWnd_Move_Discrete_Import(bool value)
+void KeyEvent_disconnect(const char *name)
 {
-  if(g_camwnd != 0)
-  {
-    CamWnd_Move_Discrete_Import(*g_camwnd, value);
-  }
-  else
-  {
-    g_camwindow_globals_private.m_bCamDiscrete = value;
-  }
+    const KeyEvent &keyEvent = GlobalKeyEvents_find(name);
+    keydown_accelerators_remove(keyEvent.m_accelerator);
+    keyup_accelerators_remove(keyEvent.m_accelerator);
 }
 
+void CamWnd_registerCommands(CamWnd &camwnd)
+{
+    GlobalKeyEvents_insert("CameraForward", Accelerator(GDK_KEY_Up),
+                           ReferenceCaller<camera_t, void(), Camera_MoveForward_KeyDown>(camwnd.getCamera()),
+                           ReferenceCaller<camera_t, void(), Camera_MoveForward_KeyUp>(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraBack", Accelerator(GDK_KEY_Down),
+                           ReferenceCaller<camera_t, void(), Camera_MoveBack_KeyDown>(camwnd.getCamera()),
+                           ReferenceCaller<camera_t, void(), Camera_MoveBack_KeyUp>(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraLeft", Accelerator(GDK_KEY_Left),
+                           ReferenceCaller<camera_t, void(), Camera_RotateLeft_KeyDown>(camwnd.getCamera()),
+                           ReferenceCaller<camera_t, void(), Camera_RotateLeft_KeyUp>(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraRight", Accelerator(GDK_KEY_Right),
+                           ReferenceCaller<camera_t, void(), Camera_RotateRight_KeyDown>(camwnd.getCamera()),
+                           ReferenceCaller<camera_t, void(), Camera_RotateRight_KeyUp>(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraStrafeRight", Accelerator(GDK_KEY_period),
+                           ReferenceCaller<camera_t, void(), Camera_MoveRight_KeyDown>(camwnd.getCamera()),
+                           ReferenceCaller<camera_t, void(), Camera_MoveRight_KeyUp>(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraStrafeLeft", Accelerator(GDK_KEY_comma),
+                           ReferenceCaller<camera_t, void(), Camera_MoveLeft_KeyDown>(camwnd.getCamera()),
+                           ReferenceCaller<camera_t, void(), Camera_MoveLeft_KeyUp>(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraUp", Accelerator('D'),
+                           ReferenceCaller<camera_t, void(), Camera_MoveUp_KeyDown>(camwnd.getCamera()),
+                           ReferenceCaller<camera_t, void(), Camera_MoveUp_KeyUp>(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraDown", Accelerator('C'),
+                           ReferenceCaller<camera_t, void(), Camera_MoveDown_KeyDown>(camwnd.getCamera()),
+                           ReferenceCaller<camera_t, void(), Camera_MoveDown_KeyUp>(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraAngleDown", Accelerator('A'),
+                           ReferenceCaller<camera_t, void(), Camera_PitchDown_KeyDown>(camwnd.getCamera()),
+                           ReferenceCaller<camera_t, void(), Camera_PitchDown_KeyUp>(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraAngleUp", Accelerator('Z'),
+                           ReferenceCaller<camera_t, void(), Camera_PitchUp_KeyDown>(camwnd.getCamera()),
+                           ReferenceCaller<camera_t, void(), Camera_PitchUp_KeyUp>(camwnd.getCamera())
+    );
 
+    GlobalKeyEvents_insert("CameraFreeMoveForward", Accelerator(GDK_KEY_Up),
+                           FreeMoveCameraMoveForwardKeyDownCaller(camwnd.getCamera()),
+                           FreeMoveCameraMoveForwardKeyUpCaller(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraFreeMoveBack", Accelerator(GDK_KEY_Down),
+                           FreeMoveCameraMoveBackKeyDownCaller(camwnd.getCamera()),
+                           FreeMoveCameraMoveBackKeyUpCaller(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraFreeMoveLeft", Accelerator(GDK_KEY_Left),
+                           FreeMoveCameraMoveLeftKeyDownCaller(camwnd.getCamera()),
+                           FreeMoveCameraMoveLeftKeyUpCaller(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraFreeMoveRight", Accelerator(GDK_KEY_Right),
+                           FreeMoveCameraMoveRightKeyDownCaller(camwnd.getCamera()),
+                           FreeMoveCameraMoveRightKeyUpCaller(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraFreeMoveUp", Accelerator('D'),
+                           FreeMoveCameraMoveUpKeyDownCaller(camwnd.getCamera()),
+                           FreeMoveCameraMoveUpKeyUpCaller(camwnd.getCamera())
+    );
+    GlobalKeyEvents_insert("CameraFreeMoveDown", Accelerator('C'),
+                           FreeMoveCameraMoveDownKeyDownCaller(camwnd.getCamera()),
+                           FreeMoveCameraMoveDownKeyUpCaller(camwnd.getCamera())
+    );
+
+    GlobalCommands_insert("CameraForward",
+                          ReferenceCaller<camera_t, void(), Camera_MoveForward_Discrete>(camwnd.getCamera()),
+                          Accelerator(GDK_KEY_Up));
+    GlobalCommands_insert("CameraBack", ReferenceCaller<camera_t, void(), Camera_MoveBack_Discrete>(camwnd.getCamera()),
+                          Accelerator(GDK_KEY_Down));
+    GlobalCommands_insert("CameraLeft",
+                          ReferenceCaller<camera_t, void(), Camera_RotateLeft_Discrete>(camwnd.getCamera()),
+                          Accelerator(GDK_KEY_Left));
+    GlobalCommands_insert("CameraRight",
+                          ReferenceCaller<camera_t, void(), Camera_RotateRight_Discrete>(camwnd.getCamera()),
+                          Accelerator(GDK_KEY_Right));
+    GlobalCommands_insert("CameraStrafeRight",
+                          ReferenceCaller<camera_t, void(), Camera_MoveRight_Discrete>(camwnd.getCamera()),
+                          Accelerator(GDK_KEY_period));
+    GlobalCommands_insert("CameraStrafeLeft",
+                          ReferenceCaller<camera_t, void(), Camera_MoveLeft_Discrete>(camwnd.getCamera()),
+                          Accelerator(GDK_KEY_comma));
+
+    GlobalCommands_insert("CameraUp", ReferenceCaller<camera_t, void(), Camera_MoveUp_Discrete>(camwnd.getCamera()),
+                          Accelerator('D'));
+    GlobalCommands_insert("CameraDown", ReferenceCaller<camera_t, void(), Camera_MoveDown_Discrete>(camwnd.getCamera()),
+                          Accelerator('C'));
+    GlobalCommands_insert("CameraAngleUp",
+                          ReferenceCaller<camera_t, void(), Camera_PitchUp_Discrete>(camwnd.getCamera()),
+                          Accelerator('A'));
+    GlobalCommands_insert("CameraAngleDown",
+                          ReferenceCaller<camera_t, void(), Camera_PitchDown_Discrete>(camwnd.getCamera()),
+                          Accelerator('Z'));
+}
+
+void CamWnd_Move_Enable(CamWnd &camwnd)
+{
+    KeyEvent_connect("CameraForward");
+    KeyEvent_connect("CameraBack");
+    KeyEvent_connect("CameraLeft");
+    KeyEvent_connect("CameraRight");
+    KeyEvent_connect("CameraStrafeRight");
+    KeyEvent_connect("CameraStrafeLeft");
+    KeyEvent_connect("CameraUp");
+    KeyEvent_connect("CameraDown");
+    KeyEvent_connect("CameraAngleUp");
+    KeyEvent_connect("CameraAngleDown");
+}
+
+void CamWnd_Move_Disable(CamWnd &camwnd)
+{
+    KeyEvent_disconnect("CameraForward");
+    KeyEvent_disconnect("CameraBack");
+    KeyEvent_disconnect("CameraLeft");
+    KeyEvent_disconnect("CameraRight");
+    KeyEvent_disconnect("CameraStrafeRight");
+    KeyEvent_disconnect("CameraStrafeLeft");
+    KeyEvent_disconnect("CameraUp");
+    KeyEvent_disconnect("CameraDown");
+    KeyEvent_disconnect("CameraAngleUp");
+    KeyEvent_disconnect("CameraAngleDown");
+}
+
+void CamWnd_Move_Discrete_Enable(CamWnd &camwnd)
+{
+    command_connect_accelerator("CameraForward");
+    command_connect_accelerator("CameraBack");
+    command_connect_accelerator("CameraLeft");
+    command_connect_accelerator("CameraRight");
+    command_connect_accelerator("CameraStrafeRight");
+    command_connect_accelerator("CameraStrafeLeft");
+    command_connect_accelerator("CameraUp");
+    command_connect_accelerator("CameraDown");
+    command_connect_accelerator("CameraAngleUp");
+    command_connect_accelerator("CameraAngleDown");
+}
+
+void CamWnd_Move_Discrete_Disable(CamWnd &camwnd)
+{
+    command_disconnect_accelerator("CameraForward");
+    command_disconnect_accelerator("CameraBack");
+    command_disconnect_accelerator("CameraLeft");
+    command_disconnect_accelerator("CameraRight");
+    command_disconnect_accelerator("CameraStrafeRight");
+    command_disconnect_accelerator("CameraStrafeLeft");
+    command_disconnect_accelerator("CameraUp");
+    command_disconnect_accelerator("CameraDown");
+    command_disconnect_accelerator("CameraAngleUp");
+    command_disconnect_accelerator("CameraAngleDown");
+}
+
+struct CamWnd_Move_Discrete {
+    static void Export(const Callback<void(bool)> &returnz)
+    {
+        returnz(g_camwindow_globals_private.m_bCamDiscrete);
+    }
 
-void CamWnd_Add_Handlers_Move(CamWnd& camwnd)
+    static void Import(bool value)
+    {
+        if (g_camwnd) {
+            Import_(*g_camwnd, value);
+        } else {
+            g_camwindow_globals_private.m_bCamDiscrete = value;
+        }
+    }
+
+    static void Import_(CamWnd &camwnd, bool value)
+    {
+        if (g_camwindow_globals_private.m_bCamDiscrete) {
+            CamWnd_Move_Discrete_Disable(camwnd);
+        } else {
+            CamWnd_Move_Disable(camwnd);
+        }
+
+        g_camwindow_globals_private.m_bCamDiscrete = value;
+
+        if (g_camwindow_globals_private.m_bCamDiscrete) {
+            CamWnd_Move_Discrete_Enable(camwnd);
+        } else {
+            CamWnd_Move_Enable(camwnd);
+        }
+    }
+};
+
+
+void CamWnd_Add_Handlers_Move(CamWnd &camwnd)
 {
-  camwnd.m_selection_button_press_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_press_event", G_CALLBACK(selection_button_press), camwnd.m_window_observer);
-  camwnd.m_selection_button_release_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_release_event", G_CALLBACK(selection_button_release), camwnd.m_window_observer);
-  camwnd.m_selection_motion_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "motion_notify_event", G_CALLBACK(DeferredMotion::gtk_motion), &camwnd.m_deferred_motion);
+    camwnd.m_selection_button_press_handler = camwnd.m_gl_widget.connect("button_press_event",
+                                                                         G_CALLBACK(selection_button_press),
+                                                                         camwnd.m_window_observer);
+    camwnd.m_selection_button_release_handler = camwnd.m_gl_widget.connect("button_release_event",
+                                                                           G_CALLBACK(selection_button_release),
+                                                                           camwnd.m_window_observer);
+    camwnd.m_selection_motion_handler = camwnd.m_gl_widget.connect("motion_notify_event",
+                                                                   G_CALLBACK(DeferredMotion::gtk_motion),
+                                                                   &camwnd.m_deferred_motion);
 
-  camwnd.m_freelook_button_press_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_press_event", G_CALLBACK(enable_freelook_button_press), &camwnd);
+    camwnd.m_freelook_button_press_handler = camwnd.m_gl_widget.connect("button_press_event",
+                                                                        G_CALLBACK(enable_freelook_button_press),
+                                                                        &camwnd);
 
-  if(g_camwindow_globals_private.m_bCamDiscrete)
-  {
-    CamWnd_Move_Discrete_Enable(camwnd);
-  }
-  else
-  {
-    CamWnd_Move_Enable(camwnd);
-  }
+    if (g_camwindow_globals_private.m_bCamDiscrete) {
+        CamWnd_Move_Discrete_Enable(camwnd);
+    } else {
+        CamWnd_Move_Enable(camwnd);
+    }
 }
 
-void CamWnd_Remove_Handlers_Move(CamWndcamwnd)
+void CamWnd_Remove_Handlers_Move(CamWnd &camwnd)
 {
-  g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_press_handler);
-  g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_release_handler);
-  g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_motion_handler);
+    g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_press_handler);
+    g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_release_handler);
+    g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_motion_handler);
 
-  g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_freelook_button_press_handler);
+    g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_freelook_button_press_handler);
 
-  if(g_camwindow_globals_private.m_bCamDiscrete)
-  {
-    CamWnd_Move_Discrete_Disable(camwnd);
-  }
-  else
-  {
-    CamWnd_Move_Disable(camwnd);
-  }
+    if (g_camwindow_globals_private.m_bCamDiscrete) {
+        CamWnd_Move_Discrete_Disable(camwnd);
+    } else {
+        CamWnd_Move_Disable(camwnd);
+    }
 }
 
-void CamWnd_Add_Handlers_FreeMove(CamWndcamwnd)
+void CamWnd_Add_Handlers_FreeMove(CamWnd &camwnd)
 {
-  camwnd.m_selection_button_press_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_press_event", G_CALLBACK(selection_button_press_freemove), camwnd.m_window_observer);
-  camwnd.m_selection_button_release_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_release_event", G_CALLBACK(selection_button_release_freemove), camwnd.m_window_observer);
-  camwnd.m_selection_motion_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "motion_notify_event", G_CALLBACK(selection_motion_freemove), camwnd.m_window_observer);
+    camwnd.m_selection_button_press_handler = camwnd.m_gl_widget.connect("button_press_event",
+                                                                         G_CALLBACK(selection_button_press_freemove),
+                                                                         camwnd.m_window_observer);
+    camwnd.m_selection_button_release_handler = camwnd.m_gl_widget.connect("button_release_event", G_CALLBACK(
+            selection_button_release_freemove), camwnd.m_window_observer);
+    camwnd.m_selection_motion_handler = camwnd.m_gl_widget.connect("motion_notify_event",
+                                                                   G_CALLBACK(selection_motion_freemove),
+                                                                   camwnd.m_window_observer);
 
-  camwnd.m_freelook_button_press_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_press_event", G_CALLBACK(disable_freelook_button_press), &camwnd);
+    camwnd.m_freelook_button_press_handler = camwnd.m_gl_widget.connect("button_press_event",
+                                                                        G_CALLBACK(disable_freelook_button_press),
+                                                                        &camwnd);
 
-  KeyEvent_connect("CameraFreeMoveForward");
-  KeyEvent_connect("CameraFreeMoveBack");
-  KeyEvent_connect("CameraFreeMoveLeft");
-  KeyEvent_connect("CameraFreeMoveRight");
-  KeyEvent_connect("CameraFreeMoveUp");
-  KeyEvent_connect("CameraFreeMoveDown");
+    KeyEvent_connect("CameraFreeMoveForward");
+    KeyEvent_connect("CameraFreeMoveBack");
+    KeyEvent_connect("CameraFreeMoveLeft");
+    KeyEvent_connect("CameraFreeMoveRight");
+    KeyEvent_connect("CameraFreeMoveUp");
+    KeyEvent_connect("CameraFreeMoveDown");
 }
 
-void CamWnd_Remove_Handlers_FreeMove(CamWndcamwnd)
+void CamWnd_Remove_Handlers_FreeMove(CamWnd &camwnd)
 {
-  KeyEvent_disconnect("CameraFreeMoveForward");
-  KeyEvent_disconnect("CameraFreeMoveBack");
-  KeyEvent_disconnect("CameraFreeMoveLeft");
-  KeyEvent_disconnect("CameraFreeMoveRight");
-  KeyEvent_disconnect("CameraFreeMoveUp");
-  KeyEvent_disconnect("CameraFreeMoveDown");
+    KeyEvent_disconnect("CameraFreeMoveForward");
+    KeyEvent_disconnect("CameraFreeMoveBack");
+    KeyEvent_disconnect("CameraFreeMoveLeft");
+    KeyEvent_disconnect("CameraFreeMoveRight");
+    KeyEvent_disconnect("CameraFreeMoveUp");
+    KeyEvent_disconnect("CameraFreeMoveDown");
 
-  g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_press_handler);
-  g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_release_handler);
-  g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_motion_handler);
+    g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_press_handler);
+    g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_release_handler);
+    g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_motion_handler);
 
-  g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_freelook_button_press_handler);
+    g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_freelook_button_press_handler);
 }
 
 CamWnd::CamWnd() :
-  m_view(true),
-  m_Camera(&m_view, CamWndQueueDraw(*this)),
-  m_cameraview(m_Camera, &m_view, ReferenceCaller<CamWnd, CamWnd_Update>(*this)),
-  m_gl_widget(glwidget_new(TRUE)),
-  m_window_observer(NewWindowObserver()),
-  m_XORRectangle(m_gl_widget),
-  m_deferredDraw(WidgetQueueDrawCaller(*m_gl_widget)),
-  m_deferred_motion(selection_motion, m_window_observer),
-  m_selection_button_press_handler(0),
-  m_selection_button_release_handler(0),
-  m_selection_motion_handler(0),
-  m_freelook_button_press_handler(0),
-  m_drawing(false)
+        m_view(true),
+        m_Camera(&m_view, CamWndQueueDraw(*this)),
+        m_cameraview(m_Camera, &m_view, ReferenceCaller<CamWnd, void(), CamWnd_Update>(*this)),
+        m_gl_widget(glwidget_new(TRUE)),
+        m_window_observer(NewWindowObserver()),
+        m_XORRectangle(m_gl_widget),
+        m_deferredDraw(WidgetQueueDrawCaller(m_gl_widget)),
+        m_deferred_motion(selection_motion, m_window_observer),
+        m_selection_button_press_handler(0),
+        m_selection_button_release_handler(0),
+        m_selection_motion_handler(0),
+        m_freelook_button_press_handler(0),
+        m_drawing(false)
 {
-  m_bFreeMove = false;
+    m_bFreeMove = false;
 
-  GlobalWindowObservers_add(m_window_observer);
-  GlobalWindowObservers_connectWidget(m_gl_widget);
+    GlobalWindowObservers_add(m_window_observer);
+    GlobalWindowObservers_connectWidget(m_gl_widget);
 
-  m_window_observer->setRectangleDrawCallback(ReferenceCaller1<CamWnd, rect_t, camwnd_update_xor_rectangle>(*this));
-  m_window_observer->setView(m_view);
+    m_window_observer->setRectangleDrawCallback(
+            ReferenceCaller<CamWnd, void(rect_t), camwnd_update_xor_rectangle>(*this));
+    m_window_observer->setView(m_view);
 
-  gtk_widget_ref(m_gl_widget);
+    g_object_ref(m_gl_widget._handle);
 
-  gtk_widget_set_events(m_gl_widget, GDK_DESTROY | GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_SCROLL_MASK);
-  GTK_WIDGET_SET_FLAGS (m_gl_widget, GTK_CAN_FOCUS);
+    gtk_widget_set_events(m_gl_widget,
+                          GDK_DESTROY | GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
+                          GDK_POINTER_MOTION_MASK | GDK_SCROLL_MASK);
+    gtk_widget_set_can_focus(m_gl_widget, true);
 
-  m_sizeHandler = g_signal_connect(G_OBJECT(m_gl_widget), "size_allocate", G_CALLBACK(camera_size_allocate), this);
-  m_exposeHandler = g_signal_connect(G_OBJECT(m_gl_widget), "expose_event", G_CALLBACK(camera_expose), this);
+    m_sizeHandler = m_gl_widget.connect("size_allocate", G_CALLBACK(camera_size_allocate), this);
+    m_exposeHandler = m_gl_widget.on_render(G_CALLBACK(camera_expose), this);
 
-  Map_addValidCallback(g_map, DeferredDrawOnMapValidChangedCaller(m_deferredDraw));
+    Map_addValidCallback(g_map, DeferredDrawOnMapValidChangedCaller(m_deferredDraw));
 
-  CamWnd_registerCommands(*this);
+    CamWnd_registerCommands(*this);
 
-  CamWnd_Add_Handlers_Move(*this);
+    CamWnd_Add_Handlers_Move(*this);
 
-  g_signal_connect(G_OBJECT(m_gl_widget), "scroll_event", G_CALLBACK(wheelmove_scroll), this);
+    m_gl_widget.connect("scroll_event", G_CALLBACK(wheelmove_scroll), this);
 
-  AddSceneChangeCallback(ReferenceCaller<CamWnd, CamWnd_Update>(*this));
+    AddSceneChangeCallback(ReferenceCaller<CamWnd, void(), CamWnd_Update>(*this));
 
-  PressedButtons_connect(g_pressedButtons, m_gl_widget);
+    PressedButtons_connect(g_pressedButtons, m_gl_widget);
 }
 
 CamWnd::~CamWnd()
 {
-  if(m_bFreeMove)
-  {
-    DisableFreeMove();
-  }
+    if (m_bFreeMove) {
+        DisableFreeMove();
+    }
 
-  CamWnd_Remove_Handlers_Move(*this);
+    CamWnd_Remove_Handlers_Move(*this);
 
-  g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_sizeHandler);
-  g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_exposeHandler);
+    g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_sizeHandler);
+    g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_exposeHandler);
 
-  gtk_widget_unref(m_gl_widget);
+    m_gl_widget.unref();
 
-  m_window_observer->release();
+    m_window_observer->release();
 }
 
-class FloorHeightWalker : public scene::Graph::Walker
-{
-  float m_current;
-  float& m_bestUp;
-  float& m_bestDown;
+class FloorHeightWalker : public scene::Graph::Walker {
+    float m_current;
+    float &m_bestUp;
+    float &m_bestDown;
 public:
-  FloorHeightWalker(float current, float& bestUp, float& bestDown) :
-      m_current(current), m_bestUp(bestUp), m_bestDown(bestDown)
-  {
-    bestUp = g_MaxWorldCoord;
-    bestDown = -g_MaxWorldCoord;
-  }
-  bool pre(const scene::Path& path, scene::Instance& instance) const
-  {
-    if(path.top().get().visible()
-      && Node_isBrush(path.top())) // this node is a floor
+    FloorHeightWalker(float current, float &bestUp, float &bestDown) :
+            m_current(current), m_bestUp(bestUp), m_bestDown(bestDown)
     {
-      const AABB& aabb = instance.worldAABB();
-      float floorHeight = aabb.origin.z() + aabb.extents.z();
-      if(floorHeight > m_current && floorHeight < m_bestUp)
-      {
-        m_bestUp = floorHeight;
-      }
-      if(floorHeight < m_current && floorHeight > m_bestDown)
-      {
-        m_bestDown = floorHeight;
-      }
-    }
-    return true;
-  }
+        bestUp = g_MaxWorldCoord;
+        bestDown = -g_MaxWorldCoord;
+    }
+
+    bool pre(const scene::Path &path, scene::Instance &instance) const
+    {
+        if (path.top().get().visible()
+            && Node_isBrush(path.top())) { // this node is a floor
+            const AABB &aabb = instance.worldAABB();
+            float floorHeight = aabb.origin.z() + aabb.extents.z();
+            if (floorHeight > m_current && floorHeight < m_bestUp) {
+                m_bestUp = floorHeight;
+            }
+            if (floorHeight < m_current && floorHeight > m_bestDown) {
+                m_bestDown = floorHeight;
+            }
+        }
+        return true;
+    }
 };
 
 void CamWnd::Cam_ChangeFloor(bool up)
 {
-  float current = m_Camera.origin[2] - 48;
-  float bestUp;
-  float bestDown;
-  GlobalSceneGraph().traverse(FloorHeightWalker(current, bestUp, bestDown));
+    float current = m_Camera.origin[2] - 48;
+    float bestUp;
+    float bestDown;
+    GlobalSceneGraph().traverse(FloorHeightWalker(current, bestUp, bestDown));
 
-  if(up && bestUp != g_MaxWorldCoord)
-  {
-    current = bestUp;
-  }
-  if(!up && bestDown != -g_MaxWorldCoord)
-  {
-    current = bestDown;
-  }
+    if (up && bestUp != g_MaxWorldCoord) {
+        current = bestUp;
+    }
+    if (!up && bestDown != -g_MaxWorldCoord) {
+        current = bestDown;
+    }
 
-  m_Camera.origin[2] = current + 48;
-  Camera_updateModelview(getCamera());
-  CamWnd_Update(*this);
-  CameraMovedNotify();
+    m_Camera.origin[2] = current + 48;
+    Camera_updateModelview(getCamera());
+    CamWnd_Update(*this);
+    CameraMovedNotify();
 }
 
 
 #if 0
 
-// button_press
-  Sys_GetCursorPos(&m_PositionDragCursorX, &m_PositionDragCursorY);
+                                                                                                                        // button_press
+Sys_GetCursorPos( &m_PositionDragCursorX, &m_PositionDragCursorY );
 
 // motion
-  if ( (m_bFreeMove && (buttons == (RAD_CONTROL|RAD_SHIFT)))
-    || (!m_bFreeMove && (buttons == (RAD_RBUTTON|RAD_CONTROL))) )
-  {
-    Cam_PositionDrag();
-    CamWnd_Update(camwnd);
-    CameraMovedNotify();
-    return;
-  }
-
-void CamWnd::Cam_PositionDrag()
-{
-  int x, y;
-
-  Sys_GetCursorPos(GTK_WINDOW(m_gl_widget), &x, &y);
-  if (x != m_PositionDragCursorX || y != m_PositionDragCursorY)
-  {
-    x -= m_PositionDragCursorX;
-    vector3_add(m_Camera.origin, vector3_scaled(m_Camera.vright, x));
-    y -= m_PositionDragCursorY;
-    m_Camera.origin[2] -= y;
-    Camera_updateModelview();
-    CamWnd_Update(camwnd);
-    CameraMovedNotify();
-
-    Sys_SetCursorPos(GTK_WINDOW(m_parent), m_PositionDragCursorX, m_PositionDragCursorY);
-  }
+if ( ( m_bFreeMove && ( buttons == ( RAD_CONTROL | RAD_SHIFT ) ) )
+        || ( !m_bFreeMove && ( buttons == ( RAD_RBUTTON | RAD_CONTROL ) ) ) ) {
+       Cam_PositionDrag();
+       CamWnd_Update( camwnd );
+       CameraMovedNotify();
+       return;
+}
+
+void CamWnd::Cam_PositionDrag(){
+       int x, y;
+
+       Sys_GetCursorPos( m_gl_widget, &x, &y );
+       if ( x != m_PositionDragCursorX || y != m_PositionDragCursorY ) {
+               x -= m_PositionDragCursorX;
+               vector3_add( m_Camera.origin, vector3_scaled( m_Camera.vright, x ) );
+               y -= m_PositionDragCursorY;
+               m_Camera.origin[2] -= y;
+               Camera_updateModelview();
+               CamWnd_Update( camwnd );
+               CameraMovedNotify();
+
+               Sys_SetCursorPos( m_parent, m_PositionDragCursorX, m_PositionDragCursorY );
+       }
 }
 #endif
 
 
 // NOTE TTimo if there's an OS-level focus out of the application
 //   then we can release the camera cursor grab
-static gboolean camwindow_freemove_focusout(GtkWidget* widget, GdkEventFocus* event, gpointer data)
+static gboolean camwindow_freemove_focusout(ui::Widget widget, GdkEventFocus *event, gpointer data)
 {
-  reinterpret_cast<CamWnd*>(data)->DisableFreeMove();
-  return FALSE;
+    reinterpret_cast<CamWnd *>( data )->DisableFreeMove();
+    return FALSE;
 }
 
 void CamWnd::EnableFreeMove()
 {
-  //globalOutputStream() << "EnableFreeMove\n";
+    //globalOutputStream() << "EnableFreeMove\n";
 
-  ASSERT_MESSAGE(!m_bFreeMove, "EnableFreeMove: free-move was already enabled");
-  m_bFreeMove = true;
-  Camera_clearMovementFlags(getCamera(), MOVE_ALL);
+    ASSERT_MESSAGE(!m_bFreeMove, "EnableFreeMove: free-move was already enabled");
+    m_bFreeMove = true;
+    Camera_clearMovementFlags(getCamera(), MOVE_ALL);
 
-  CamWnd_Remove_Handlers_Move(*this);
-  CamWnd_Add_Handlers_FreeMove(*this);
+    CamWnd_Remove_Handlers_Move(*this);
+    CamWnd_Add_Handlers_FreeMove(*this);
 
-  gtk_window_set_focus(m_parent, m_gl_widget);
-  m_freemove_handle_focusout = g_signal_connect(G_OBJECT(m_gl_widget), "focus_out_event", G_CALLBACK(camwindow_freemove_focusout), this);
-  m_freezePointer.freeze_pointer(m_parent, Camera_motionDelta, &m_Camera);
+    gtk_window_set_focus(m_parent, m_gl_widget);
+    m_freemove_handle_focusout = m_gl_widget.connect("focus_out_event", G_CALLBACK(camwindow_freemove_focusout), this);
+    m_freezePointer.freeze_pointer(m_parent, Camera_motionDelta, &m_Camera);
 
-  CamWnd_Update(*this);
+    CamWnd_Update(*this);
 }
 
 void CamWnd::DisableFreeMove()
 {
-  //globalOutputStream() << "DisableFreeMove\n";
+    //globalOutputStream() << "DisableFreeMove\n";
 
-  ASSERT_MESSAGE(m_bFreeMove, "DisableFreeMove: free-move was not enabled");
-  m_bFreeMove = false;
-  Camera_clearMovementFlags(getCamera(), MOVE_ALL);
+    ASSERT_MESSAGE(m_bFreeMove, "DisableFreeMove: free-move was not enabled");
+    m_bFreeMove = false;
+    Camera_clearMovementFlags(getCamera(), MOVE_ALL);
 
-  CamWnd_Remove_Handlers_FreeMove(*this);
-  CamWnd_Add_Handlers_Move(*this);
+    CamWnd_Remove_Handlers_FreeMove(*this);
+    CamWnd_Add_Handlers_Move(*this);
 
-  m_freezePointer.unfreeze_pointer(m_parent);
-  g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_freemove_handle_focusout);
+    m_freezePointer.unfreeze_pointer(m_parent);
+    g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_freemove_handle_focusout);
 
-  CamWnd_Update(*this);
+    CamWnd_Update(*this);
 }
 
 
 #include "renderer.h"
 
-class CamRenderer: public Renderer
-{
-  struct state_type
-  {
-    state_type() : m_highlight(0), m_state(0), m_lights(0)
+class CamRenderer : public Renderer {
+    struct state_type {
+        state_type() : m_highlight(0), m_state(0), m_lights(0)
+        {
+        }
+
+        unsigned int m_highlight;
+        Shader *m_state;
+        const LightList *m_lights;
+    };
+
+    std::vector<state_type> m_state_stack;
+    RenderStateFlags m_globalstate;
+    Shader *m_state_select0;
+    Shader *m_state_select1;
+    const Vector3 &m_viewer;
+
+public:
+    CamRenderer(RenderStateFlags globalstate, Shader *select0, Shader *select1, const Vector3 &viewer) :
+            m_globalstate(globalstate),
+            m_state_select0(select0),
+            m_state_select1(select1),
+            m_viewer(viewer)
     {
+        ASSERT_NOTNULL(select0);
+        ASSERT_NOTNULL(select1);
+        m_state_stack.push_back(state_type());
     }
-    unsigned int m_highlight;
-    Shader* m_state;
-    const LightList* m_lights;
-  };
 
-  std::vector<state_type> m_state_stack;
-  RenderStateFlags m_globalstate;
-  Shader* m_state_select0;
-  Shader* m_state_select1;
-  const Vector3& m_viewer;
+    void SetState(Shader *state, EStyle style)
+    {
+        ASSERT_NOTNULL(state);
+        if (style == eFullMaterials) {
+            m_state_stack.back().m_state = state;
+        }
+    }
 
-public:
-  CamRenderer(RenderStateFlags globalstate, Shader* select0, Shader* select1, const Vector3& viewer) :
-    m_globalstate(globalstate),
-    m_state_select0(select0),
-    m_state_select1(select1),
-    m_viewer(viewer)
-  {
-    ASSERT_NOTNULL(select0);
-    ASSERT_NOTNULL(select1);
-    m_state_stack.push_back(state_type());
-  }
-
-  void SetState(Shader* state, EStyle style)
-  {
-    ASSERT_NOTNULL(state);
-    if(style == eFullMaterials)
+    EStyle getStyle() const
+    {
+        return eFullMaterials;
+    }
+
+    void PushState()
+    {
+        m_state_stack.push_back(m_state_stack.back());
+    }
+
+    void PopState()
     {
-      m_state_stack.back().m_state = state;
-    }
-  }
-  const EStyle getStyle() const
-  {
-    return eFullMaterials;
-  }
-  void PushState()
-  {
-    m_state_stack.push_back(m_state_stack.back());
-  }
-  void PopState()
-  {
-    ASSERT_MESSAGE(!m_state_stack.empty(), "popping empty stack");
-    m_state_stack.pop_back();
-  }
-  void Highlight(EHighlightMode mode, bool bEnable = true)
-  {
-    (bEnable)
-      ? m_state_stack.back().m_highlight |= mode
-      : m_state_stack.back().m_highlight &= ~mode;
-  }
-  void setLights(const LightList& lights)
-  {
-    m_state_stack.back().m_lights = &lights;
-  }
-  void addRenderable(const OpenGLRenderable& renderable, const Matrix4& world)
-  {
-    if(m_state_stack.back().m_highlight & ePrimitive)
+        ASSERT_MESSAGE(!m_state_stack.empty(), "popping empty stack");
+        m_state_stack.pop_back();
+    }
+
+    void Highlight(EHighlightMode mode, bool bEnable = true)
     {
-      m_state_select0->addRenderable(renderable, world, m_state_stack.back().m_lights);
+        (bEnable)
+        ? m_state_stack.back().m_highlight |= mode
+        : m_state_stack.back().m_highlight &= ~mode;
     }
-    if(m_state_stack.back().m_highlight & eFace)
+
+    void setLights(const LightList &lights)
     {
-      m_state_select1->addRenderable(renderable, world, m_state_stack.back().m_lights);
+        m_state_stack.back().m_lights = &lights;
     }
 
-    m_state_stack.back().m_state->addRenderable(renderable, world, m_state_stack.back().m_lights);
-  }
+    void addRenderable(const OpenGLRenderable &renderable, const Matrix4 &world)
+    {
+        if (m_state_stack.back().m_highlight & ePrimitive) {
+            m_state_select0->addRenderable(renderable, world, m_state_stack.back().m_lights);
+        }
+        if (m_state_stack.back().m_highlight & eFace) {
+            m_state_select1->addRenderable(renderable, world, m_state_stack.back().m_lights);
+        }
+
+        m_state_stack.back().m_state->addRenderable(renderable, world, m_state_stack.back().m_lights);
+    }
 
-  void render(const Matrix4& modelview, const Matrix4& projection)
-  {
-    GlobalShaderCache().render(m_globalstate, modelview, projection, m_viewer);
-  }
+    void render(const Matrix4 &modelview, const Matrix4 &projection)
+    {
+        GlobalShaderCache().render(m_globalstate, modelview, projection, m_viewer);
+    }
 };
 
 /*
-==============
-Cam_Draw
-==============
-*/
+   ==============
+   Cam_Draw
+   ==============
+ */
 
 void ShowStatsToggle()
 {
-  g_camwindow_globals_private.m_showStats ^= 1;
+    g_camwindow_globals_private.m_showStats ^= 1;
 }
-typedef FreeCaller<ShowStatsToggle> ShowStatsToggleCaller;
 
-void ShowStatsExport(const BoolImportCallback& importer)
+void ShowStatsExport(const Callback<void(bool)> &importer)
 {
-  importer(g_camwindow_globals_private.m_showStats);
+    importer(g_camwindow_globals_private.m_showStats);
 }
-typedef FreeCaller1<const BoolImportCallback&, ShowStatsExport> ShowStatsExportCaller;
 
-ShowStatsExportCaller g_show_stats_caller;
-BoolExportCallback g_show_stats_callback(g_show_stats_caller);
+FreeCaller<void(const Callback<void(bool)> &), ShowStatsExport> g_show_stats_caller;
+Callback<void(const Callback<void(bool)> &)> g_show_stats_callback(g_show_stats_caller);
 ToggleItem g_show_stats(g_show_stats_callback);
 
 void CamWnd::Cam_Draw()
 {
-  glViewport(0, 0, m_Camera.width, m_Camera.height);
+    glViewport(0, 0, m_Camera.width, m_Camera.height);
 #if 0
-  GLint viewprt[4];
-  glGetIntegerv (GL_VIEWPORT, viewprt);
+                                                                                                                            GLint viewprt[4];
+       glGetIntegerv( GL_VIEWPORT, viewprt );
 #endif
 
-  // enable depth buffer writes
-  glDepthMask(GL_TRUE);
-
-  Vector3 clearColour(0, 0, 0);
-  if(m_Camera.draw_mode != cd_lighting)
-  {
-    clearColour = g_camwindow_globals.color_cameraback;
-  }
-
-  glClearColor(clearColour[0], clearColour[1], clearColour[2], 0);
-  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-  extern void Renderer_ResetStats();
-  Renderer_ResetStats();
-  extern void Cull_ResetStats();
-  Cull_ResetStats();
-
-  glMatrixMode(GL_PROJECTION);
-  glLoadMatrixf(reinterpret_cast<const float*>(&m_Camera.projection));
-
-  glMatrixMode(GL_MODELVIEW);
-  glLoadMatrixf(reinterpret_cast<const float*>(&m_Camera.modelview));
-
-
-  // one directional light source directly behind the viewer
-  {
-    GLfloat inverse_cam_dir[4], ambient[4], diffuse[4];//, material[4];
-
-    ambient[0] = ambient[1] = ambient[2] = 0.4f;
-    ambient[3] = 1.0f;
-    diffuse[0] = diffuse[1] = diffuse[2] = 0.4f;
-    diffuse[3] = 1.0f;
-    //material[0] = material[1] = material[2] = 0.8f;
-    //material[3] = 1.0f;
-
-    inverse_cam_dir[0] = m_Camera.vpn[0];
-    inverse_cam_dir[1] = m_Camera.vpn[1];
-    inverse_cam_dir[2] = m_Camera.vpn[2];
-    inverse_cam_dir[3] = 0;
-
-    glLightfv(GL_LIGHT0, GL_POSITION, inverse_cam_dir);
-
-    glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
-    glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
-
-    glEnable(GL_LIGHT0);
-  }
-
-
-  unsigned int globalstate = RENDER_DEPTHTEST|RENDER_COLOURWRITE|RENDER_DEPTHWRITE|RENDER_ALPHATEST|RENDER_BLEND|RENDER_CULLFACE|RENDER_COLOURARRAY|RENDER_OFFSETLINE|RENDER_POLYGONSMOOTH|RENDER_LINESMOOTH|RENDER_FOG|RENDER_COLOURCHANGE;
-  switch (m_Camera.draw_mode)
-  {
-  case cd_wire:
-    break;
-  case cd_solid:
-    globalstate |= RENDER_FILL
-      | RENDER_LIGHTING
-      | RENDER_SMOOTH
-      | RENDER_SCALED;
-    break;
-  case cd_texture:
-    globalstate |= RENDER_FILL
-      | RENDER_LIGHTING
-      | RENDER_TEXTURE
-      | RENDER_SMOOTH
-      | RENDER_SCALED;
-    break;
-  case cd_lighting:
-    globalstate |= RENDER_FILL
-      | RENDER_LIGHTING
-      | RENDER_TEXTURE
-      | RENDER_SMOOTH
-      | RENDER_SCALED
-      | RENDER_BUMP
-      | RENDER_PROGRAM
-      | RENDER_SCREEN;
-    break;
-  default:
-    globalstate = 0;
-    break;
-  }
-
-  if(!g_xywindow_globals.m_bNoStipple)
-  {
-    globalstate |= RENDER_LINESTIPPLE|RENDER_POLYGONSTIPPLE;
-  }
-
-  {
-    CamRenderer renderer(globalstate, m_state_select2, m_state_select1, m_view.getViewer());
-
-    Scene_Render(renderer, m_view);
-
-    renderer.render(m_Camera.modelview, m_Camera.projection);
-  }
-
-  // prepare for 2d stuff
-  glColor4f(1, 1, 1, 1);
-  glDisable(GL_BLEND);
-  glMatrixMode(GL_PROJECTION);
-  glLoadIdentity();
-  glOrtho(0, (float)m_Camera.width, 0, (float)m_Camera.height, -100, 100);
-  glScalef(1, -1, 1);
-  glTranslatef(0, -(float)m_Camera.height, 0);
-  glMatrixMode(GL_MODELVIEW);
-  glLoadIdentity();
-
-  if(GlobalOpenGL().GL_1_3())
-  {
-    glClientActiveTexture(GL_TEXTURE0);
-    glActiveTexture(GL_TEXTURE0);
-  }
-
-  glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-  glDisableClientState(GL_NORMAL_ARRAY);
-  glDisableClientState(GL_COLOR_ARRAY);
-
-  glDisable(GL_TEXTURE_2D);
-  glDisable(GL_LIGHTING);
-  glDisable(GL_COLOR_MATERIAL);
-  glDisable(GL_DEPTH_TEST);
-  glColor3f( 1.f, 1.f, 1.f );
-  glLineWidth(1);
-
-  // draw the crosshair
-  if (m_bFreeMove)
-  {
-    glBegin( GL_LINES );
-    glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 6 );
-    glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 2 );
-    glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 6 );
-    glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 2 );
-    glVertex2f( (float)m_Camera.width / 2.f + 6, (float)m_Camera.height / 2.f );
-    glVertex2f( (float)m_Camera.width / 2.f + 2, (float)m_Camera.height / 2.f );
-    glVertex2f( (float)m_Camera.width / 2.f - 6, (float)m_Camera.height / 2.f );
-    glVertex2f( (float)m_Camera.width / 2.f - 2, (float)m_Camera.height / 2.f );
-    glEnd();
-  }
-
-  if(g_camwindow_globals_private.m_showStats)
-  {
-    glRasterPos3f(1.0f, static_cast<float>(m_Camera.height) - 1.0f, 0.0f);
-    extern const char* Renderer_GetStats();
-    GlobalOpenGL().drawString(Renderer_GetStats());
-
-    glRasterPos3f(1.0f, static_cast<float>(m_Camera.height) - 11.0f, 0.0f);
-    extern const char* Cull_GetStats();
-    GlobalOpenGL().drawString(Cull_GetStats());
-  }
-
-  // bind back to the default texture so that we don't have problems
-  // elsewhere using/modifying texture maps between contexts
-  glBindTexture( GL_TEXTURE_2D, 0 );
+    // enable depth buffer writes
+    glDepthMask(GL_TRUE);
+    glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+
+    Vector3 clearColour(0, 0, 0);
+    if (m_Camera.draw_mode != cd_lighting) {
+        clearColour = g_camwindow_globals.color_cameraback;
+    }
+
+    glClearColor(clearColour[0], clearColour[1], clearColour[2], 0);
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    extern void Renderer_ResetStats();
+    Renderer_ResetStats();
+    extern void Cull_ResetStats();
+    Cull_ResetStats();
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadMatrixf(reinterpret_cast<const float *>( &m_Camera.projection ));
+
+    glMatrixMode(GL_MODELVIEW);
+    glLoadMatrixf(reinterpret_cast<const float *>( &m_Camera.modelview ));
+
+
+    // one directional light source directly behind the viewer
+    {
+        GLfloat inverse_cam_dir[4], ambient[4], diffuse[4]; //, material[4];
+
+        ambient[0] = ambient[1] = ambient[2] = 0.4f;
+        ambient[3] = 1.0f;
+        diffuse[0] = diffuse[1] = diffuse[2] = 0.4f;
+        diffuse[3] = 1.0f;
+        //material[0] = material[1] = material[2] = 0.8f;
+        //material[3] = 1.0f;
+
+        inverse_cam_dir[0] = m_Camera.vpn[0];
+        inverse_cam_dir[1] = m_Camera.vpn[1];
+        inverse_cam_dir[2] = m_Camera.vpn[2];
+        inverse_cam_dir[3] = 0;
+
+        glLightfv(GL_LIGHT0, GL_POSITION, inverse_cam_dir);
+
+        glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+        glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+
+        glEnable(GL_LIGHT0);
+    }
+
+
+    unsigned int globalstate =
+            RENDER_DEPTHTEST | RENDER_COLOURWRITE | RENDER_DEPTHWRITE | RENDER_ALPHATEST | RENDER_BLEND |
+            RENDER_CULLFACE | RENDER_COLOURARRAY | RENDER_OFFSETLINE | RENDER_POLYGONSMOOTH | RENDER_LINESMOOTH |
+            RENDER_FOG | RENDER_COLOURCHANGE;
+    switch (m_Camera.draw_mode) {
+        case cd_wire:
+            break;
+        case cd_solid:
+            globalstate |= RENDER_FILL
+                           | RENDER_LIGHTING
+                           | RENDER_SMOOTH
+                           | RENDER_SCALED;
+            break;
+        case cd_texture:
+            globalstate |= RENDER_FILL
+                           | RENDER_LIGHTING
+                           | RENDER_TEXTURE
+                           | RENDER_SMOOTH
+                           | RENDER_SCALED;
+            break;
+        case cd_lighting:
+            globalstate |= RENDER_FILL
+                           | RENDER_LIGHTING
+                           | RENDER_TEXTURE
+                           | RENDER_SMOOTH
+                           | RENDER_SCALED
+                           | RENDER_BUMP
+                           | RENDER_PROGRAM
+                           | RENDER_SCREEN;
+            break;
+        default:
+            globalstate = 0;
+            break;
+    }
+
+    if (!g_xywindow_globals.m_bNoStipple) {
+        globalstate |= RENDER_LINESTIPPLE | RENDER_POLYGONSTIPPLE;
+    }
+
+    {
+        CamRenderer renderer(globalstate, m_state_select2, m_state_select1, m_view.getViewer());
+
+        Scene_Render(renderer, m_view);
+
+        renderer.render(m_Camera.modelview, m_Camera.projection);
+    }
+
+    // prepare for 2d stuff
+    glColor4f(1, 1, 1, 1);
+    glDisable(GL_BLEND);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(0, (float) m_Camera.width, 0, (float) m_Camera.height, -100, 100);
+    glScalef(1, -1, 1);
+    glTranslatef(0, -(float) m_Camera.height, 0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+
+    if (GlobalOpenGL().GL_1_3()) {
+        glClientActiveTexture(GL_TEXTURE0);
+        glActiveTexture(GL_TEXTURE0);
+    }
+
+    glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+    glDisableClientState(GL_NORMAL_ARRAY);
+    glDisableClientState(GL_COLOR_ARRAY);
+
+    glDisable(GL_TEXTURE_2D);
+    glDisable(GL_LIGHTING);
+    glDisable(GL_COLOR_MATERIAL);
+    glDisable(GL_DEPTH_TEST);
+    glColor3f(1.f, 1.f, 1.f);
+    glLineWidth(1);
+
+    // draw the crosshair
+    if (m_bFreeMove) {
+        glBegin(GL_LINES);
+        glVertex2f((float) m_Camera.width / 2.f, (float) m_Camera.height / 2.f + 6);
+        glVertex2f((float) m_Camera.width / 2.f, (float) m_Camera.height / 2.f + 2);
+        glVertex2f((float) m_Camera.width / 2.f, (float) m_Camera.height / 2.f - 6);
+        glVertex2f((float) m_Camera.width / 2.f, (float) m_Camera.height / 2.f - 2);
+        glVertex2f((float) m_Camera.width / 2.f + 6, (float) m_Camera.height / 2.f);
+        glVertex2f((float) m_Camera.width / 2.f + 2, (float) m_Camera.height / 2.f);
+        glVertex2f((float) m_Camera.width / 2.f - 6, (float) m_Camera.height / 2.f);
+        glVertex2f((float) m_Camera.width / 2.f - 2, (float) m_Camera.height / 2.f);
+        glEnd();
+    }
+
+    if (g_camwindow_globals_private.m_showStats) {
+        glRasterPos3f(1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent(), 0.0f);
+        extern const char *Renderer_GetStats();
+        GlobalOpenGL().drawString(Renderer_GetStats());
+
+        glRasterPos3f(1.0f, static_cast<float>( m_Camera.height ) - GlobalOpenGL().m_font->getPixelDescent() -
+                            GlobalOpenGL().m_font->getPixelHeight(), 0.0f);
+        extern const char *Cull_GetStats();
+        GlobalOpenGL().drawString(Cull_GetStats());
+    }
+
+    // bind back to the default texture so that we don't have problems
+    // elsewhere using/modifying texture maps between contexts
+    glBindTexture(GL_TEXTURE_2D, 0);
 }
 
 void CamWnd::draw()
 {
-  m_drawing = true;
+    m_drawing = true;
 
-  //globalOutputStream() << "draw...\n";
-  if (glwidget_make_current(m_gl_widget) != FALSE)
-  {
-    if(Map_Valid(g_map) && ScreenUpdates_Enabled())
-    {
-      GlobalOpenGL_debugAssertNoErrors();
-      Cam_Draw();
-      GlobalOpenGL_debugAssertNoErrors();
-      //qglFinish();
+    //globalOutputStream() << "draw...\n";
+    if (glwidget_make_current(m_gl_widget) != FALSE) {
+        if (Map_Valid(g_map) && ScreenUpdates_Enabled()) {
+            GlobalOpenGL_debugAssertNoErrors();
+            Cam_Draw();
+            GlobalOpenGL_debugAssertNoErrors();
+            //qglFinish();
 
-      m_XORRectangle.set(rectangle_t());
-    }
+            m_XORRectangle.set(rectangle_t());
+        }
 
-    glwidget_swap_buffers(m_gl_widget);
-  }
+        glwidget_swap_buffers(m_gl_widget);
+    }
 
-  m_drawing = false;
+    m_drawing = false;
 }
 
 void CamWnd::BenchMark()
 {
-  double dStart = Sys_DoubleTime();
-  for (int i=0 ; i < 100 ; i++)
-  {
-    Vector3 angles;
-    angles[CAMERA_ROLL] = 0;
-    angles[CAMERA_PITCH] = 0;
-    angles[CAMERA_YAW] = static_cast<float>(i * (360.0 / 100.0));
-    Camera_setAngles(*this, angles);
-  }
-  double dEnd = Sys_DoubleTime();
-  globalOutputStream() << FloatFormat(dEnd - dStart, 5, 2) << " seconds\n";
+    double dStart = Sys_DoubleTime();
+    for (int i = 0; i < 100; i++) {
+        Vector3 angles;
+        angles[CAMERA_ROLL] = 0;
+        angles[CAMERA_PITCH] = 0;
+        angles[CAMERA_YAW] = static_cast<float>( i * (360.0 / 100.0));
+        Camera_setAngles(*this, angles);
+    }
+    double dEnd = Sys_DoubleTime();
+    globalOutputStream() << FloatFormat(dEnd - dStart, 5, 2) << " seconds\n";
 }
 
 
-void fill_view_camera_menu(GtkMenu* menu)
+void fill_view_camera_menu(ui::Menu menu)
 {
-  create_check_menu_item_with_mnemonic(menu, "Camera View", "ToggleCamera");
+    create_check_menu_item_with_mnemonic(menu, "Camera View", "ToggleCamera");
 }
 
 void GlobalCamera_ResetAngles()
 {
-  CamWnd& camwnd = *g_camwnd;
-  Vector3 angles;
-  angles[CAMERA_ROLL] = angles[CAMERA_PITCH] = 0;
-  angles[CAMERA_YAW] = static_cast<float>(22.5 * floor((Camera_getAngles(camwnd)[CAMERA_YAW]+11)/22.5));
-  Camera_setAngles(camwnd, angles);
+    CamWnd &camwnd = *g_camwnd;
+    Vector3 angles;
+    angles[CAMERA_ROLL] = angles[CAMERA_PITCH] = 0;
+    angles[CAMERA_YAW] = static_cast<float>( 22.5 * floor((Camera_getAngles(camwnd)[CAMERA_YAW] + 11) / 22.5));
+    Camera_setAngles(camwnd, angles);
 }
 
 void Camera_ChangeFloorUp()
 {
-  CamWnd& camwnd = *g_camwnd;
-  camwnd.Cam_ChangeFloor (true);
+    CamWnd &camwnd = *g_camwnd;
+    camwnd.Cam_ChangeFloor(true);
 }
 
 void Camera_ChangeFloorDown()
 {
-  CamWnd& camwnd = *g_camwnd;
-  camwnd.Cam_ChangeFloor (false);
+    CamWnd &camwnd = *g_camwnd;
+    camwnd.Cam_ChangeFloor(false);
 }
 
 void Camera_CubeIn()
 {
-  CamWnd& camwnd = *g_camwnd;
-  g_camwindow_globals.m_nCubicScale--;
-  if (g_camwindow_globals.m_nCubicScale < 1)
-    g_camwindow_globals.m_nCubicScale = 1;
-  Camera_updateProjection(camwnd.getCamera());
-  CamWnd_Update(camwnd);
-  g_pParentWnd->SetGridStatus();
+    CamWnd &camwnd = *g_camwnd;
+    g_camwindow_globals.m_nCubicScale--;
+    if (g_camwindow_globals.m_nCubicScale < 1) {
+        g_camwindow_globals.m_nCubicScale = 1;
+    }
+    Camera_updateProjection(camwnd.getCamera());
+    CamWnd_Update(camwnd);
+    g_pParentWnd->SetGridStatus();
 }
 
 void Camera_CubeOut()
 {
-  CamWnd& camwnd = *g_camwnd;
-  g_camwindow_globals.m_nCubicScale++;
-  if (g_camwindow_globals.m_nCubicScale > 23)
-    g_camwindow_globals.m_nCubicScale = 23;
-  Camera_updateProjection(camwnd.getCamera());
-  CamWnd_Update(camwnd);
-  g_pParentWnd->SetGridStatus();
+    CamWnd &camwnd = *g_camwnd;
+    g_camwindow_globals.m_nCubicScale++;
+    if (g_camwindow_globals.m_nCubicScale > 23) {
+        g_camwindow_globals.m_nCubicScale = 23;
+    }
+    Camera_updateProjection(camwnd.getCamera());
+    CamWnd_Update(camwnd);
+    g_pParentWnd->SetGridStatus();
 }
 
 bool Camera_GetFarClip()
 {
-  return g_camwindow_globals_private.m_bCubicClipping;
+    return g_camwindow_globals_private.m_bCubicClipping;
 }
 
-BoolExportCaller g_getfarclip_caller(g_camwindow_globals_private.m_bCubicClipping);
+ConstReferenceCaller<bool, void(const Callback<void(bool)> &), PropertyImpl<bool>::Export> g_getfarclip_caller(
+        g_camwindow_globals_private.m_bCubicClipping);
 ToggleItem g_getfarclip_item(g_getfarclip_caller);
 
 void Camera_SetFarClip(bool value)
 {
-  CamWnd& camwnd = *g_camwnd;
-  g_camwindow_globals_private.m_bCubicClipping = value;
-  g_getfarclip_item.update();
-  Camera_updateProjection(camwnd.getCamera());
-  CamWnd_Update(camwnd);
+    CamWnd &camwnd = *g_camwnd;
+    g_camwindow_globals_private.m_bCubicClipping = value;
+    g_getfarclip_item.update();
+    Camera_updateProjection(camwnd.getCamera());
+    CamWnd_Update(camwnd);
 }
 
+struct Camera_FarClip {
+    static void Export(const Callback<void(bool)> &returnz)
+    {
+        returnz(g_camwindow_globals_private.m_bCubicClipping);
+    }
+
+    static void Import(bool value)
+    {
+        Camera_SetFarClip(value);
+    }
+};
+
 void Camera_ToggleFarClip()
 {
-  Camera_SetFarClip(!Camera_GetFarClip());
+    Camera_SetFarClip(!Camera_GetFarClip());
 }
 
 
-void CamWnd_constructToolbar(GtkToolbar* toolbar)
+void CamWnd_constructToolbar(ui::Toolbar toolbar)
 {
-  toolbar_append_toggle_button(toolbar, "Cubic clip the camera view (\\)", "view_cubicclipping.bmp", "ToggleCubicClip");
+    toolbar_append_toggle_button(toolbar, "Cubic clip the camera view (\\)", "view_cubicclipping.png",
+                                 "ToggleCubicClip");
 }
 
 void CamWnd_registerShortcuts()
 {
-  toggle_add_accelerator("ToggleCubicClip");
+    toggle_add_accelerator("ToggleCubicClip");
 
-  if(g_pGameDescription->mGameType == "doom3")
-  {
-    command_connect_accelerator("TogglePreview");
-  }
+    if (g_pGameDescription->mGameType == "doom3") {
+        command_connect_accelerator("TogglePreview");
+    }
 
-  command_connect_accelerator("CameraSpeedInc");
-  command_connect_accelerator("CameraSpeedDec");
+    command_connect_accelerator("CameraSpeedInc");
+    command_connect_accelerator("CameraSpeedDec");
 }
 
 
 void GlobalCamera_Benchmark()
 {
-  CamWnd& camwnd = *g_camwnd;
-  camwnd.BenchMark();
+    CamWnd &camwnd = *g_camwnd;
+    camwnd.BenchMark();
 }
 
 void GlobalCamera_Update()
 {
-  CamWnd& camwnd = *g_camwnd;
-  CamWnd_Update(camwnd);
+    CamWnd &camwnd = *g_camwnd;
+    CamWnd_Update(camwnd);
 }
 
 camera_draw_mode CamWnd_GetMode()
 {
-  return camera_t::draw_mode;
+    return camera_t::draw_mode;
 }
+
 void CamWnd_SetMode(camera_draw_mode mode)
 {
-  ShaderCache_setBumpEnabled(mode == cd_lighting);
-  camera_t::draw_mode = mode;
-  if(g_camwnd != 0)
-  {
-    CamWnd_Update(*g_camwnd);
-  }
+    ShaderCache_setBumpEnabled(mode == cd_lighting);
+    camera_t::draw_mode = mode;
+    if (g_camwnd != 0) {
+        CamWnd_Update(*g_camwnd);
+    }
 }
 
 void CamWnd_TogglePreview(void)
 {
-  // gametype must be doom3 for this function to work
-  // if the gametype is not doom3 something is wrong with the
-  // global command list or somebody else calls this function.
-  ASSERT_MESSAGE(g_pGameDescription->mGameType == "doom3", "CamWnd_TogglePreview called although mGameType is not doom3 compatible");
+    // gametype must be doom3 for this function to work
+    // if the gametype is not doom3 something is wrong with the
+    // global command list or somebody else calls this function.
+    ASSERT_MESSAGE(g_pGameDescription->mGameType == "doom3",
+                   "CamWnd_TogglePreview called although mGameType is not doom3 compatible");
 
-  // switch between textured and lighting mode
-  CamWnd_SetMode((CamWnd_GetMode() == cd_lighting) ? cd_texture : cd_lighting);
+    // switch between textured and lighting mode
+    CamWnd_SetMode((CamWnd_GetMode() == cd_lighting) ? cd_texture : cd_lighting);
 }
 
 
-CameraModelg_camera_model = 0;
+CameraModel *g_camera_model = 0;
 
-void CamWnd_LookThroughCamera(CamWndcamwnd)
+void CamWnd_LookThroughCamera(CamWnd &camwnd)
 {
-  if(g_camera_model != 0)
-  {
-    CamWnd_Add_Handlers_Move(camwnd);
-    g_camera_model->setCameraView(0, Callback());
-    g_camera_model = 0;
-    Camera_updateModelview(camwnd.getCamera());
-    Camera_updateProjection(camwnd.getCamera());
-    CamWnd_Update(camwnd);
-  }
+    if (g_camera_model != 0) {
+        CamWnd_Add_Handlers_Move(camwnd);
+        g_camera_model->setCameraView(0, Callback<void()>());
+        g_camera_model = 0;
+        Camera_updateModelview(camwnd.getCamera());
+        Camera_updateProjection(camwnd.getCamera());
+        CamWnd_Update(camwnd);
+    }
 }
 
-inline CameraModel* Instance_getCameraModel(scene::Instance& instance)
+inline CameraModel *Instance_getCameraModel(scene::Instance &instance)
 {
-  return InstanceTypeCast<CameraModel>::cast(instance);
+    return InstanceTypeCast<CameraModel>::cast(instance);
 }
 
-void CamWnd_LookThroughSelected(CamWndcamwnd)
+void CamWnd_LookThroughSelected(CamWnd &camwnd)
 {
-  if(g_camera_model != 0)
-  {
-    CamWnd_LookThroughCamera(camwnd);
-  }
+    if (g_camera_model != 0) {
+        CamWnd_LookThroughCamera(camwnd);
+    }
 
-  if(GlobalSelectionSystem().countSelected() != 0)
-  {
-    scene::Instance& instance = GlobalSelectionSystem().ultimateSelected();
-    CameraModel* cameraModel = Instance_getCameraModel(instance);
-    if(cameraModel != 0)
-    {
-      CamWnd_Remove_Handlers_Move(camwnd);
-      g_camera_model = cameraModel;
-      g_camera_model->setCameraView(&camwnd.getCameraView(), ReferenceCaller<CamWnd, CamWnd_LookThroughCamera>(camwnd));
+    if (GlobalSelectionSystem().countSelected() != 0) {
+        scene::Instance &instance = GlobalSelectionSystem().ultimateSelected();
+        CameraModel *cameraModel = Instance_getCameraModel(instance);
+        if (cameraModel != 0) {
+            CamWnd_Remove_Handlers_Move(camwnd);
+            g_camera_model = cameraModel;
+            g_camera_model->setCameraView(&camwnd.getCameraView(),
+                                          ReferenceCaller<CamWnd, void(), CamWnd_LookThroughCamera>(camwnd));
+        }
     }
-  }
 }
 
 void GlobalCamera_LookThroughSelected()
 {
-  CamWnd_LookThroughSelected(*g_camwnd);
+    CamWnd_LookThroughSelected(*g_camwnd);
 }
 
 void GlobalCamera_LookThroughCamera()
 {
-  CamWnd_LookThroughCamera(*g_camwnd);
-}
-
-
-void RenderModeImport(int value)
-{
-  switch(value)
-  {
-  case 0:
-    CamWnd_SetMode(cd_wire);
-    break;
-  case 1:
-    CamWnd_SetMode(cd_solid);
-    break;
-  case 2:
-    CamWnd_SetMode(cd_texture);
-    break;
-  case 3:
-    CamWnd_SetMode(cd_lighting);
-    break;
-  default:
-    CamWnd_SetMode(cd_texture);
-  }
-}
-typedef FreeCaller1<int, RenderModeImport> RenderModeImportCaller;
-
-void RenderModeExport(const IntImportCallback& importer)
-{
-  switch(CamWnd_GetMode())
-  {
-  case cd_wire:
-    importer(0);
-    break;
-  case cd_solid:
-    importer(1);
-    break;
-  case cd_texture:
-    importer(2);
-    break;
-  case cd_lighting:
-    importer(3);
-    break;
-  }
-}
-typedef FreeCaller1<const IntImportCallback&, RenderModeExport> RenderModeExportCaller;
-
-void Camera_constructPreferences(PreferencesPage& page)
-{
-  page.appendSlider("Movement Speed", g_camwindow_globals_private.m_nMoveSpeed, TRUE, 0, 0, 100, MIN_CAM_SPEED, MAX_CAM_SPEED, 1, 10, 10);
-  page.appendCheckBox("", "Link strafe speed to movement speed", g_camwindow_globals_private.m_bCamLinkSpeed);
-  page.appendSlider("Rotation Speed", g_camwindow_globals_private.m_nAngleSpeed, TRUE, 0, 0, 3, 1, 180, 1, 10, 10);
-  page.appendCheckBox("", "Invert mouse vertical axis", g_camwindow_globals_private.m_bCamInverseMouse);
-  page.appendCheckBox(
-    "", "Discrete movement",
-    FreeCaller1<bool, CamWnd_Move_Discrete_Import>(),
-    BoolExportCaller(g_camwindow_globals_private.m_bCamDiscrete)
-  );
-  page.appendCheckBox(
-    "", "Enable far-clip plane",
-    FreeCaller1<bool, Camera_SetFarClip>(),
-    BoolExportCaller(g_camwindow_globals_private.m_bCubicClipping)
-  );
-
-  if(g_pGameDescription->mGameType == "doom3")
-  {
-    const char* render_mode[] = { "Wireframe", "Flatshade", "Textured", "Lighting" };
+    CamWnd_LookThroughCamera(*g_camwnd);
+}
 
-    page.appendCombo(
-      "Render Mode",
-      STRING_ARRAY_RANGE(render_mode),
-      IntImportCallback(RenderModeImportCaller()),
-      IntExportCallback(RenderModeExportCaller())
-    );
-  }
-  else
-  {
-    const char* render_mode[] = { "Wireframe", "Flatshade", "Textured" };
+struct RenderMode {
+    static void Export(const Callback<void(int)> &returnz)
+    {
+        switch (CamWnd_GetMode()) {
+            case cd_wire:
+                returnz(0);
+                break;
+            case cd_solid:
+                returnz(1);
+                break;
+            case cd_texture:
+                returnz(2);
+                break;
+            case cd_lighting:
+                returnz(3);
+                break;
+        }
+    }
 
-    page.appendCombo(
-      "Render Mode",
-      STRING_ARRAY_RANGE(render_mode),
-      IntImportCallback(RenderModeImportCaller()),
-      IntExportCallback(RenderModeExportCaller())
+    static void Import(int value)
+    {
+        switch (value) {
+            case 0:
+                CamWnd_SetMode(cd_wire);
+                break;
+            case 1:
+                CamWnd_SetMode(cd_solid);
+                break;
+            case 2:
+                CamWnd_SetMode(cd_texture);
+                break;
+            case 3:
+                CamWnd_SetMode(cd_lighting);
+                break;
+            default:
+                CamWnd_SetMode(cd_texture);
+        }
+    }
+};
+
+void Camera_constructPreferences(PreferencesPage &page)
+{
+    page.appendSlider("Movement Speed", g_camwindow_globals_private.m_nMoveSpeed, TRUE, 0, 0, 100, MIN_CAM_SPEED,
+                      MAX_CAM_SPEED, 1, 10);
+    page.appendCheckBox("", "Link strafe speed to movement speed", g_camwindow_globals_private.m_bCamLinkSpeed);
+    page.appendSlider("Rotation Speed", g_camwindow_globals_private.m_nAngleSpeed, TRUE, 0, 0, 3, 1, 180, 1, 10);
+    page.appendCheckBox("", "Invert mouse vertical axis", g_camwindow_globals_private.m_bCamInverseMouse);
+    page.appendCheckBox(
+            "", "Discrete movement",
+            make_property<CamWnd_Move_Discrete>()
+    );
+    page.appendCheckBox(
+            "", "Enable far-clip plane",
+            make_property<Camera_FarClip>()
     );
-  }
 
-    const char* strafe_mode[] = { "Both", "Forward", "Up" };
+    if (g_pGameDescription->mGameType == "doom3") {
+        const char *render_mode[] = {"Wireframe", "Flatshade", "Textured", "Lighting"};
+
+        page.appendCombo(
+                "Render Mode",
+                STRING_ARRAY_RANGE(render_mode),
+                make_property<RenderMode>()
+        );
+    } else {
+        const char *render_mode[] = {"Wireframe", "Flatshade", "Textured"};
+
+        page.appendCombo(
+                "Render Mode",
+                STRING_ARRAY_RANGE(render_mode),
+                make_property<RenderMode>()
+        );
+    }
+
+    const char *strafe_mode[] = {"Both", "Forward", "Up"};
 
     page.appendCombo(
-      "Strafe Mode",
-      g_camwindow_globals_private.m_nStrafeMode,
-      STRING_ARRAY_RANGE(strafe_mode)
+            "Strafe Mode",
+            g_camwindow_globals_private.m_nStrafeMode,
+            STRING_ARRAY_RANGE(strafe_mode)
     );
 }
-void Camera_constructPage(PreferenceGroup& group)
+
+void Camera_constructPage(PreferenceGroup &group)
 {
-  PreferencesPage page(group.createPage("Camera", "Camera View Preferences"));
-  Camera_constructPreferences(page);
+    PreferencesPage page(group.createPage("Camera", "Camera View Preferences"));
+    Camera_constructPreferences(page);
 }
+
 void Camera_registerPreferencesPage()
 {
-  PreferencesDialog_addSettingsPage(FreeCaller1<PreferenceGroup&, Camera_constructPage>());
+    PreferencesDialog_addSettingsPage(makeCallbackF(Camera_constructPage));
 }
 
 #include "preferencesystem.h"
 #include "stringio.h"
 #include "dialog.h"
 
-typedef FreeCaller1<bool, CamWnd_Move_Discrete_Import> CamWndMoveDiscreteImportCaller;
-
 void CameraSpeed_increase()
 {
-  if(g_camwindow_globals_private.m_nMoveSpeed <= (MAX_CAM_SPEED - CAM_SPEED_STEP - 10))
-  {
-    g_camwindow_globals_private.m_nMoveSpeed += CAM_SPEED_STEP;
-  } else {
-    g_camwindow_globals_private.m_nMoveSpeed = MAX_CAM_SPEED - 10;
-  }
+    if (g_camwindow_globals_private.m_nMoveSpeed <= (MAX_CAM_SPEED - CAM_SPEED_STEP - 10)) {
+        g_camwindow_globals_private.m_nMoveSpeed += CAM_SPEED_STEP;
+    } else {
+        g_camwindow_globals_private.m_nMoveSpeed = MAX_CAM_SPEED - 10;
+    }
 }
 
 void CameraSpeed_decrease()
 {
-  if(g_camwindow_globals_private.m_nMoveSpeed >= (MIN_CAM_SPEED + CAM_SPEED_STEP))
-  {
-    g_camwindow_globals_private.m_nMoveSpeed -= CAM_SPEED_STEP;
-  } else {
-    g_camwindow_globals_private.m_nMoveSpeed = MIN_CAM_SPEED;
-  }
+    if (g_camwindow_globals_private.m_nMoveSpeed >= (MIN_CAM_SPEED + CAM_SPEED_STEP)) {
+        g_camwindow_globals_private.m_nMoveSpeed -= CAM_SPEED_STEP;
+    } else {
+        g_camwindow_globals_private.m_nMoveSpeed = MIN_CAM_SPEED;
+    }
 }
 
 /// \brief Initialisation for things that have the same lifespan as this module.
 void CamWnd_Construct()
 {
-  GlobalCommands_insert("CenterView", FreeCaller<GlobalCamera_ResetAngles>(), Accelerator(GDK_End));
+    GlobalCommands_insert("CenterView", makeCallbackF(GlobalCamera_ResetAngles), Accelerator(GDK_KEY_End));
 
-  GlobalToggles_insert("ToggleCubicClip", FreeCaller<Camera_ToggleFarClip>(), ToggleItem::AddCallbackCaller(g_getfarclip_item), Accelerator('\\', (GdkModifierType)GDK_CONTROL_MASK));
-  GlobalCommands_insert("CubicClipZoomIn", FreeCaller<Camera_CubeIn>(), Accelerator('[', (GdkModifierType)GDK_CONTROL_MASK));
-  GlobalCommands_insert("CubicClipZoomOut", FreeCaller<Camera_CubeOut>(), Accelerator(']', (GdkModifierType)GDK_CONTROL_MASK));
+    GlobalToggles_insert("ToggleCubicClip", makeCallbackF(Camera_ToggleFarClip),
+                         ToggleItem::AddCallbackCaller(g_getfarclip_item),
+                         Accelerator('\\', (GdkModifierType) GDK_CONTROL_MASK));
+    GlobalCommands_insert("CubicClipZoomIn", makeCallbackF(Camera_CubeIn),
+                          Accelerator('[', (GdkModifierType) GDK_CONTROL_MASK));
+    GlobalCommands_insert("CubicClipZoomOut", makeCallbackF(Camera_CubeOut),
+                          Accelerator(']', (GdkModifierType) GDK_CONTROL_MASK));
 
-  GlobalCommands_insert("UpFloor", FreeCaller<Camera_ChangeFloorUp>(), Accelerator(GDK_Prior));
-  GlobalCommands_insert("DownFloor", FreeCaller<Camera_ChangeFloorDown>(), Accelerator(GDK_Next));
+    GlobalCommands_insert("UpFloor", makeCallbackF(Camera_ChangeFloorUp), Accelerator(GDK_KEY_Prior));
+    GlobalCommands_insert("DownFloor", makeCallbackF(Camera_ChangeFloorDown), Accelerator(GDK_KEY_Next));
 
-  GlobalToggles_insert("ToggleCamera", ToggleShown::ToggleCaller(g_camera_shown), ToggleItem::AddCallbackCaller(g_camera_shown.m_item), Accelerator('C', (GdkModifierType)(GDK_SHIFT_MASK|GDK_CONTROL_MASK)));
-  GlobalCommands_insert("LookThroughSelected", FreeCaller<GlobalCamera_LookThroughSelected>());
-  GlobalCommands_insert("LookThroughCamera", FreeCaller<GlobalCamera_LookThroughCamera>());
+    GlobalToggles_insert("ToggleCamera", ToggleShown::ToggleCaller(g_camera_shown),
+                         ToggleItem::AddCallbackCaller(g_camera_shown.m_item),
+                         Accelerator('C', (GdkModifierType) (GDK_SHIFT_MASK | GDK_CONTROL_MASK)));
+    GlobalCommands_insert("LookThroughSelected", makeCallbackF(GlobalCamera_LookThroughSelected));
+    GlobalCommands_insert("LookThroughCamera", makeCallbackF(GlobalCamera_LookThroughCamera));
 
-  if(g_pGameDescription->mGameType == "doom3")
-  {
-    GlobalCommands_insert("TogglePreview", FreeCaller<CamWnd_TogglePreview>(), Accelerator(GDK_F3));
-  }
-
-  GlobalCommands_insert("CameraSpeedInc", FreeCaller<CameraSpeed_increase>(), Accelerator(GDK_KP_Add, (GdkModifierType)GDK_SHIFT_MASK));
-  GlobalCommands_insert("CameraSpeedDec", FreeCaller<CameraSpeed_decrease>(), Accelerator(GDK_KP_Subtract, (GdkModifierType)GDK_SHIFT_MASK));
-
-  GlobalShortcuts_insert("CameraForward", Accelerator(GDK_Up));
-  GlobalShortcuts_insert("CameraBack", Accelerator(GDK_Down));
-  GlobalShortcuts_insert("CameraLeft", Accelerator(GDK_Left));
-  GlobalShortcuts_insert("CameraRight", Accelerator(GDK_Right));
-  GlobalShortcuts_insert("CameraStrafeRight", Accelerator(GDK_period));
-  GlobalShortcuts_insert("CameraStrafeLeft", Accelerator(GDK_comma));
-
-  GlobalShortcuts_insert("CameraUp", Accelerator('D'));
-  GlobalShortcuts_insert("CameraDown", Accelerator('C'));
-  GlobalShortcuts_insert("CameraAngleUp", Accelerator('A'));
-  GlobalShortcuts_insert("CameraAngleDown", Accelerator('Z'));
-
-  GlobalShortcuts_insert("CameraFreeMoveForward", Accelerator(GDK_Up));
-  GlobalShortcuts_insert("CameraFreeMoveBack", Accelerator(GDK_Down));
-  GlobalShortcuts_insert("CameraFreeMoveLeft", Accelerator(GDK_Left));
-  GlobalShortcuts_insert("CameraFreeMoveRight", Accelerator(GDK_Right));
-
-  GlobalToggles_insert("ShowStats", ShowStatsToggleCaller(), ToggleItem::AddCallbackCaller(g_show_stats));
-
-  GlobalPreferenceSystem().registerPreference("ShowStats", BoolImportStringCaller(g_camwindow_globals_private.m_showStats), BoolExportStringCaller(g_camwindow_globals_private.m_showStats));
-  GlobalPreferenceSystem().registerPreference("MoveSpeed", IntImportStringCaller(g_camwindow_globals_private.m_nMoveSpeed), IntExportStringCaller(g_camwindow_globals_private.m_nMoveSpeed));
-  GlobalPreferenceSystem().registerPreference("CamLinkSpeed", BoolImportStringCaller(g_camwindow_globals_private.m_bCamLinkSpeed), BoolExportStringCaller(g_camwindow_globals_private.m_bCamLinkSpeed));
-  GlobalPreferenceSystem().registerPreference("AngleSpeed", IntImportStringCaller(g_camwindow_globals_private.m_nAngleSpeed), IntExportStringCaller(g_camwindow_globals_private.m_nAngleSpeed));
-  GlobalPreferenceSystem().registerPreference("CamInverseMouse", BoolImportStringCaller(g_camwindow_globals_private.m_bCamInverseMouse), BoolExportStringCaller(g_camwindow_globals_private.m_bCamInverseMouse));
-  GlobalPreferenceSystem().registerPreference("CamDiscrete", makeBoolStringImportCallback(CamWndMoveDiscreteImportCaller()), BoolExportStringCaller(g_camwindow_globals_private.m_bCamDiscrete));
-  GlobalPreferenceSystem().registerPreference("CubicClipping", BoolImportStringCaller(g_camwindow_globals_private.m_bCubicClipping), BoolExportStringCaller(g_camwindow_globals_private.m_bCubicClipping));
-  GlobalPreferenceSystem().registerPreference("CubicScale", IntImportStringCaller(g_camwindow_globals.m_nCubicScale), IntExportStringCaller(g_camwindow_globals.m_nCubicScale));
-  GlobalPreferenceSystem().registerPreference("SI_Colors4", Vector3ImportStringCaller(g_camwindow_globals.color_cameraback), Vector3ExportStringCaller(g_camwindow_globals.color_cameraback));
-  GlobalPreferenceSystem().registerPreference("SI_Colors12", Vector3ImportStringCaller(g_camwindow_globals.color_selbrushes3d), Vector3ExportStringCaller(g_camwindow_globals.color_selbrushes3d));
-  GlobalPreferenceSystem().registerPreference("CameraRenderMode", makeIntStringImportCallback(RenderModeImportCaller()), makeIntStringExportCallback(RenderModeExportCaller()));
-  GlobalPreferenceSystem().registerPreference("StrafeMode", IntImportStringCaller(g_camwindow_globals_private.m_nStrafeMode), IntExportStringCaller(g_camwindow_globals_private.m_nStrafeMode));
-
-  CamWnd_constructStatic();
+    if (g_pGameDescription->mGameType == "doom3") {
+        GlobalCommands_insert("TogglePreview", makeCallbackF(CamWnd_TogglePreview), Accelerator(GDK_KEY_F3));
+    }
 
-  Camera_registerPreferencesPage();
+    GlobalCommands_insert("CameraSpeedInc", makeCallbackF(CameraSpeed_increase),
+                          Accelerator(GDK_KEY_KP_Add, (GdkModifierType) GDK_SHIFT_MASK));
+    GlobalCommands_insert("CameraSpeedDec", makeCallbackF(CameraSpeed_decrease),
+                          Accelerator(GDK_KEY_KP_Subtract, (GdkModifierType) GDK_SHIFT_MASK));
+
+    GlobalShortcuts_insert("CameraForward", Accelerator(GDK_KEY_Up));
+    GlobalShortcuts_insert("CameraBack", Accelerator(GDK_KEY_Down));
+    GlobalShortcuts_insert("CameraLeft", Accelerator(GDK_KEY_Left));
+    GlobalShortcuts_insert("CameraRight", Accelerator(GDK_KEY_Right));
+    GlobalShortcuts_insert("CameraStrafeRight", Accelerator(GDK_KEY_period));
+    GlobalShortcuts_insert("CameraStrafeLeft", Accelerator(GDK_KEY_comma));
+
+    GlobalShortcuts_insert("CameraUp", Accelerator('D'));
+    GlobalShortcuts_insert("CameraDown", Accelerator('C'));
+    GlobalShortcuts_insert("CameraAngleUp", Accelerator('A'));
+    GlobalShortcuts_insert("CameraAngleDown", Accelerator('Z'));
+
+    GlobalShortcuts_insert("CameraFreeMoveForward", Accelerator(GDK_KEY_Up));
+    GlobalShortcuts_insert("CameraFreeMoveBack", Accelerator(GDK_KEY_Down));
+    GlobalShortcuts_insert("CameraFreeMoveLeft", Accelerator(GDK_KEY_Left));
+    GlobalShortcuts_insert("CameraFreeMoveRight", Accelerator(GDK_KEY_Right));
+
+    GlobalToggles_insert("ShowStats", makeCallbackF(ShowStatsToggle), ToggleItem::AddCallbackCaller(g_show_stats));
+
+    GlobalPreferenceSystem().registerPreference("ShowStats",
+                                                make_property_string(g_camwindow_globals_private.m_showStats));
+    GlobalPreferenceSystem().registerPreference("MoveSpeed",
+                                                make_property_string(g_camwindow_globals_private.m_nMoveSpeed));
+    GlobalPreferenceSystem().registerPreference("CamLinkSpeed",
+                                                make_property_string(g_camwindow_globals_private.m_bCamLinkSpeed));
+    GlobalPreferenceSystem().registerPreference("AngleSpeed",
+                                                make_property_string(g_camwindow_globals_private.m_nAngleSpeed));
+    GlobalPreferenceSystem().registerPreference("CamInverseMouse",
+                                                make_property_string(g_camwindow_globals_private.m_bCamInverseMouse));
+    GlobalPreferenceSystem().registerPreference("CamDiscrete", make_property_string<CamWnd_Move_Discrete>());
+    GlobalPreferenceSystem().registerPreference("CubicClipping",
+                                                make_property_string(g_camwindow_globals_private.m_bCubicClipping));
+    GlobalPreferenceSystem().registerPreference("CubicScale", make_property_string(g_camwindow_globals.m_nCubicScale));
+    GlobalPreferenceSystem().registerPreference("SI_Colors4",
+                                                make_property_string(g_camwindow_globals.color_cameraback));
+    GlobalPreferenceSystem().registerPreference("SI_Colors12",
+                                                make_property_string(g_camwindow_globals.color_selbrushes3d));
+    GlobalPreferenceSystem().registerPreference("CameraRenderMode", make_property_string<RenderMode>());
+    GlobalPreferenceSystem().registerPreference("StrafeMode",
+                                                make_property_string(g_camwindow_globals_private.m_nStrafeMode));
+
+    CamWnd_constructStatic();
+
+    Camera_registerPreferencesPage();
 }
+
 void CamWnd_Destroy()
 {
-  CamWnd_destroyStatic();
+    CamWnd_destroyStatic();
 }