/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.

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 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
*/

//
// Z Window
//
// Leonardo Zide (leo@lokigames.com)
//

#include "stdafx.h"
#include "zwindow.h"

// =============================================================================
// ZWnd class

ZWnd::ZWnd ()
  : GLWindow (FALSE)
{
}

ZWnd::~ZWnd()
{
}

void ZWnd::OnCreate () 
{
  g_qeglobals_gui.d_z = m_pWidget;

  if (!MakeCurrent())
    Error ("wglMakeCurrent in CZWnd::OnCreate failed");
}

void ZWnd::OnLButtonDown(guint32 nFlags, int pointx, int pointy) 
{
  SetFocus();
  SetCapture();
  Z_MouseDown (pointx, m_pWidget->allocation.height - 1 - pointy , nFlags);
}

void ZWnd::OnMButtonDown(guint32 nFlags, int pointx, int pointy) 
{
  SetFocus();
  SetCapture();
  Z_MouseDown (pointx, m_pWidget->allocation.height - 1 - pointy , nFlags);
}

void ZWnd::OnRButtonDown(guint32 nFlags, int pointx, int pointy) 
{
  SetFocus();
  SetCapture();
  Z_MouseDown (pointx, m_pWidget->allocation.height - 1 - pointy , nFlags);
}

void ZWnd::OnLButtonUp(guint32 nFlags, int pointx, int pointy) 
{
  Z_MouseUp (pointx, m_pWidget->allocation.height - 1 - pointy, nFlags);
  ReleaseCapture ();
}

void ZWnd::OnMButtonUp(guint32 nFlags, int pointx, int pointy) 
{
  Z_MouseUp (pointx, m_pWidget->allocation.height - 1 - pointy, nFlags);
  ReleaseCapture ();
}

void ZWnd::OnRButtonUp(guint32 nFlags, int pointx, int pointy) 
{
  Z_MouseUp (pointx, m_pWidget->allocation.height - 1 - pointy, nFlags);
  ReleaseCapture ();
}

void ZWnd::OnMouseMove(guint32 nFlags, int pointx, int pointy) 
{
  float fz = z.origin[2] + ((m_pWidget->allocation.height - 1 - pointy) - (z.height/2)) / z.scale;
	fz = floor(fz / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
  CString strStatus;
  strStatus.Format("Z:: %.1f", fz);
  g_pParentWnd->SetStatusText(1, strStatus);
  Z_MouseMoved (pointx, m_pWidget->allocation.height - 1 - pointy, nFlags);
}

void ZWnd::OnExpose() 
{
  if (!MakeCurrent ())
  {
    Sys_Printf("ERROR: wglMakeCurrent failed..\n ");
    Sys_Printf("Please restart Radiant if the Z view is not working\n");
  }
  else
  {
    QE_CheckOpenGLForErrors();
    Z_Draw ();
    QE_CheckOpenGLForErrors();
    SwapBuffers();
  }
}

void ZWnd::OnSize(int cx, int cy) 
{
  z.width = cx;
  z.height = cy;
  if (z.width < 10)
    z.width = 10;
  if (z.height < 10)
    z.height = 10;
  RedrawWindow ();
}