#include <cstring>
#include <iostream>

#include "IupCameraSetupDlg.h"


int IupCameraSetupDlg::_okCB(Ihandle* self)
{
  IupCameraSetupDlg* dlg;
  dlg = (IupCameraSetupDlg*)IupGetAttribute(self, "this");
  if(!dlg) return IUP_DEFAULT;

  dlg->readAttrs();

  return IUP_CLOSE;
}

int IupCameraSetupDlg::_cancelCB(Ihandle* self)
{
  return IUP_CLOSE;
}

Ihandle* createTextBox()
{
  Ihandle* textBox = IupText(0);
  IupSetAttribute(textBox, IUP_SIZE, "40x");
  return textBox;
}

IupCameraSetupDlg::IupCameraSetupDlg()
{
  Ihandle *okbtn, *cancelbtn, *eyeBox, *atBox, *distBox, *imgBox;

  ex_ = -45.0f;
  ey_ = -45.0f;
  ez_ = 10.0f;
  ax_ = 0.0f;
  ay_ = 0.0f;
  az_ = 0.0f;
  distEyes_ = 2.0f;
  width_ = 480;
  height_ = 240;

  exText_ = createTextBox();
  eyText_ = createTextBox();
  ezText_ = createTextBox();
  axText_ = createTextBox();
  ayText_ = createTextBox();
  azText_ = createTextBox();
  distEyesText_ = createTextBox();
  widthText_ = createTextBox();
  heightText_ = createTextBox();

  eyeBox = IupFrame(
			IupHbox(
				IupFill(),
				IupVbox(
					IupHbox(
						IupLabel("X: "),
						exText_,
						0),
					IupHbox(
						IupLabel("Y: "),
						eyText_,
						0),
					IupHbox(
						IupLabel("Z: "),
						ezText_,
						0),
					0),
				IupFill(),
				0)
			);
  IupSetAttribute(eyeBox, IUP_TITLE, "Eye");

  atBox = IupFrame(
			IupHbox(
				IupFill(),
				IupVbox(
					IupHbox(
						IupLabel("X: "),
						axText_,
						0),
					IupHbox(
						IupLabel("Y: "),
						ayText_,
						0),
					IupHbox(
						IupLabel("Z: "),
						azText_,
						0),
					0),
				IupFill(),
				0)
			);
  IupSetAttribute(atBox, IUP_TITLE, "At");

  distBox = IupFrame(
				IupHbox(
					IupFill(),
					IupLabel("Dist: "),
					distEyesText_,
					IupFill(),
					0)
				);
  IupSetAttribute(distBox, IUP_TITLE, "Dist Eyes");

  imgBox = IupFrame(
			IupHbox(
				IupFill(),
				IupVbox(
					IupHbox(
						IupLabel("Width: "),
						widthText_,
						0),
					IupHbox(
						IupLabel("Height: "),
						heightText_,
						0),
					0),
				IupFill(),
				0)
			);
  IupSetAttribute(imgBox, IUP_TITLE, "Img Dimensions");

  okbtn = IupButton("Ok", "cameraSetup_okCB");
  IupSetFunction("cameraSetup_okCB", (Icallback)_okCB);
  IupSetAttribute(okbtn, "this", (char*)this);
 
  cancelbtn = IupButton("Cancel", "cameraSetup_cancelCB");
  IupSetFunction("cameraSetup_cancelCB", (Icallback)_cancelCB);
  IupSetAttribute(cancelbtn, "this", (char*)this);
 
  dlg = IupDialog(
		IupVbox(
			IupHbox(
				eyeBox, 
				atBox,
				0),
			IupHbox(
				distBox, 
				imgBox,
				0),
			IupFill(),
			IupHbox(
				IupFill(),
				okbtn, 
				cancelbtn, 
				0), 
			0)
		);

  IupStoreAttribute(dlg, "this", (char*)this);
  IupStoreAttribute(dlg, IUP_MAXBOX, IUP_NO);
  IupStoreAttribute(dlg, IUP_RESIZE, IUP_NO);
  IupSetAttribute(dlg, IUP_SIZE, "200x120");

  IupSetAttribute(dlg, IUP_TITLE, "Camera Setup");

  IupStoreAttribute(dlg, IUP_CLOSE_CB, "cameraSetup_close");
  IupSetFunction("cameraSetup_close", (Icallback)_cancelCB);

  IupMap(dlg);
}

IupCameraSetupDlg::~IupCameraSetupDlg()
{
  IupDestroy(dlg);
}

float getAttr(Ihandle* ih)
{
  float val = (float)atof(IupGetAttribute(ih, IUP_VALUE));
  return val;
}

void IupCameraSetupDlg::readAttrs()
{
  ex_ = getAttr(exText_);
  ey_ = getAttr(eyText_);
  ez_ = getAttr(ezText_);
  ax_ = getAttr(axText_);
  ay_ = getAttr(ayText_);
  az_ = getAttr(azText_);
  distEyes_ = getAttr(distEyesText_);
  width_ = (int)getAttr(widthText_);
  height_ = (int)getAttr(heightText_);
}

void setAttr(Ihandle* ih, float val)
{
  char str[10];
  sprintf(str, "%6.2f", val);
  IupSetAttribute(ih, IUP_VALUE, str);
}

void IupCameraSetupDlg::writeAttrs()
{
  setAttr(exText_, ex_);
  setAttr(eyText_, ey_);
  setAttr(ezText_, ez_);
  setAttr(axText_, ax_);
  setAttr(ayText_, ay_);
  setAttr(azText_, az_);
  setAttr(distEyesText_, distEyes_);
  setAttr(widthText_, width_);
  setAttr(heightText_, height_);
}

void IupCameraSetupDlg::getEye(float& x, float& y, float& z)
{
  x = ex_; y = ey_; z = ez_;
}

void IupCameraSetupDlg::getAt(float& x, float& y, float& z)
{
  x = ax_; y = ay_; z = az_;
}

void IupCameraSetupDlg::getDistEyes(float& distEyes)
{
  distEyes = distEyes_;
}

void IupCameraSetupDlg::getImgDim(int& w, int& h)
{
  w = width_; h = height_;
}

void IupCameraSetupDlg::show()
{
  writeAttrs();
  IupPopup(dlg, IUP_CENTER, IUP_CENTER);
//  IupShowXY(dlg, IUP_CENTER, IUP_CENTER);
}