// ShaderAutoCompleteDlg.cpp : implementation file
//

#include "stdafx.h"
#include "mplayerc.h"
#include "ShaderAutoCompleteDlg.h"


// CShaderAutoCompleteDlg dialog

CShaderAutoCompleteDlg::CShaderAutoCompleteDlg(CWnd* pParent /*=NULL*/)
	: CResizableDialog(CShaderAutoCompleteDlg::IDD, pParent)
{
	m_text[0] = 0;

	m_inst[_T("abs")] = _T("abs(value a)|Absolute value (per component). ");
	m_inst[_T("acos")] = _T("acos(x)|Returns the arccosine of each component of x. Each component should be in the range [-1, 1]. ");
	m_inst[_T("all")] = _T("all(x)|Test if all components of x are nonzero. ");
	m_inst[_T("any")] = _T("any(x)|Test is any component of x is nonzero. ");
	m_inst[_T("asin")] = _T("asin(x)|Returns the arcsine of each component of x. Each component should be in the range [-pi/2, pi/2]. ");
	m_inst[_T("atan")] = _T("atan(x)|Returns the arctangent of x. The return values are in the range [-pi/2, pi/2]. ");
	m_inst[_T("atan2")] = _T("atan2(y, x)|Returns the arctangent of y/x. The signs of y and x are used to determine the quadrant of the return values in the range [-pi, pi]. atan2 is well-defined for every point other than the origin, even if x equals 0 and y does not equal 0. ");
	m_inst[_T("ceil")] = _T("ceil(x)|Returns the smallest integer which is greater than or equal to x. ");
	m_inst[_T("clamp")] = _T("clamp(x, min, max)|Clamps x to the range [min, max]. ");
	m_inst[_T("clip")] = _T("clip(x)|Discards the current pixel, if any component of x is less than zero. This can be used to simulate clip planes, if each component of x represents the distance from a plane. ");
	m_inst[_T("cos")] = _T("cos(x)|Returns the cosine of x. ");
	m_inst[_T("cosh")] = _T("cosh(x)|Returns the hyperbolic cosine of x. ");
	m_inst[_T("cross")] = _T("cross(a, b)|Returns the cross product of two 3-D vectors a and b. ");
	m_inst[_T("d3dcolortoubyte4")] = _T("D3DCOLORtoUBYTE4(x)|Swizzles and scales components of the 4-D vector x to compensate for the lack of UBYTE4 support in some hardware. ");
	m_inst[_T("ddx")] = _T("ddx(x)|Returns the partial derivative of x with respect to the screen-space x-coordinate. ");
	m_inst[_T("ddy")] = _T("ddy(x)|Returns the partial derivative of x with respect to the screen-space y-coordinate. ");
	m_inst[_T("degrees")] = _T("degrees(x)|Converts x from radians to degrees. ");
	m_inst[_T("determinant")] = _T("determinant(m)|Returns the determinant of the square matrix m. ");
	m_inst[_T("distance")] = _T("distance(a, b)|Returns the distance between two points a and b. ");
	m_inst[_T("dot")] = _T("dot(a, b)|Returns the dot product of two vectors a and b. ");
	m_inst[_T("exp")] = _T("exp(x)|Returns the base-e exponent ex. ");
	m_inst[_T("exp2")] = _T("exp2(value a)|Base 2 Exp (per component). ");
	m_inst[_T("faceforward")] = _T("faceforward(n, i, ng)|Returns -n * sign(dot(i, ng)). ");
	m_inst[_T("floor")] = _T("floor(x)|Returns the greatest integer which is less than or equal to x. ");
	m_inst[_T("fmod")] = _T("fmod(a, b)|Returns the floating point remainder f of a / b such that a = i * b + f, where i is an integer, f has the same sign as x, and the absolute value of f is less than the absolute value of b. ");
	m_inst[_T("frac")] = _T("frac(x)|Returns the fractional part f of x, such that f is a value greater than or equal to 0, and less than 1. ");
	m_inst[_T("frc")] = _T("frc(value a)|Fractional part (per component). ");
	m_inst[_T("frexp")] = _T("frexp(x, out exp)|Returns the mantissa and exponent of x. frexp returns the mantissa, and the exponent is stored in the output parameter exp. If x is 0, the function returns 0 for both the mantissa and the exponent. ");
	m_inst[_T("fwidth")] = _T("fwidth(x)|Returns abs(ddx(x))+abs(ddy(x)). ");
	m_inst[_T("isfinite")] = _T("isfinite(x)|Returns true if x is finite, false otherwise. ");
	m_inst[_T("isinf")] = _T("isinf(x)|Returns true if x is +INF or -INF, false otherwise. ");
	m_inst[_T("isnan")] = _T("isnan(x)|Returns true if x is NAN or QNAN, false otherwise. ");
	m_inst[_T("ldexp")] = _T("ldexp(x, exp)|Returns x * 2exp. ");
	m_inst[_T("len")] = _T("len(value a)|Vector length. ");
	m_inst[_T("length")] = _T("length(v)|Returns the length of the vector v. ");
	m_inst[_T("lerp")] = _T("lerp(a, b, s)|Returns a + s(b - a). This linearly interpolates between a and b, such that the return value is a when s is 0, and b when s is 1. ");
	m_inst[_T("lit")] = _T("lit(ndotl, ndoth, m)|Returns a lighting vector (ambient, diffuse, specular, 1): ambient = 1; diffuse = (ndotl < 0) ? 0 : ndotl; specular = (ndotl < 0) || (ndoth < 0) ? 0 : (ndoth * m); ");
	m_inst[_T("log")] = _T("log(x)|Returns the base-e logarithm of x. If x is negative, the function returns indefinite. If x is 0, the function returns +INF. ");
	m_inst[_T("log10")] = _T("log10(x)|Returns the base-10 logarithm of x. If x is negative, the function returns indefinite. If x is 0, the function returns +INF. ");
	m_inst[_T("log2")] = _T("log2(x)|Returns the base-2 logarithm of x. If x is negative, the function returns indefinite. If x is 0, the function returns +INF. ");
	m_inst[_T("max")] = _T("max(a, b)|Selects the greater of a and b. ");
	m_inst[_T("min")] = _T("min(a, b)|Selects the lesser of a and b. ");
	m_inst[_T("modf")] = _T("modf(x, out ip)|Splits the value x into fractional and integer parts, each of which has the same sign and x. The signed fractional portion of x is returned. The integer portion is stored in the output parameter ip. ");
	m_inst[_T("mul")] = _T("mul(a, b)|Performs matrix multiplication between a and b. If a is a vector, it treated as a row vector. If b is a vector, it is treated as a column vector. The inner dimension acolumns and brows must be equal. The result has the dimension arows x bcolumns. ");
	m_inst[_T("noise")] = _T("noise(x)|Not yet implemented. ");
	m_inst[_T("normalize")] = _T("normalize(v)|Returns the normalized vector v / length(v). If the length of v is 0, the result is indefinite. ");
	m_inst[_T("pow")] = _T("pow(x, y)|Returns xy. ");
	m_inst[_T("radians")] = _T("radians(x)|Converts x from degrees to radians. ");
	m_inst[_T("reflect")] = _T("reflect(i, n)|Returns the reflection vector v, given the entering ray direction i, and the surface normal n. Such that v = i - 2 * dot(i, n) * n ");
	m_inst[_T("refract")] = _T("refract(i, n, eta)|Returns the refraction vector v, given the entering ray direction i, the surface normal n, and the relative index of refraction eta. If the angle between i and n is too great for a given eta, refract returns (0,0,0). ");
	m_inst[_T("round")] = _T("round(x)|Rounds x to the nearest integer. ");
	m_inst[_T("rsqrt")] = _T("rsqrt(x)|Returns 1 / sqrt(x). ");
	m_inst[_T("saturate")] = _T("saturate(x)|Clamps x to the range [0, 1]. ");
	m_inst[_T("sign")] = _T("sign(x)|Computes the sign of x. Returns -1 if x is less than 0, 0 if x equals 0, and 1 if x is greater than zero. ");
	m_inst[_T("sin")] = _T("sin(x)|Returns the sine of x. ");
	m_inst[_T("sincos")] = _T("sincos(x, out s, out c)|Returns the sine and cosine of x. sin(x) is stored in the output parameter s. cos(x) is stored in the output parameter c. ");
	m_inst[_T("sinh")] = _T("sinh(x)|Returns the hyperbolic sine of x. ");
	m_inst[_T("smoothstep")] = _T("smoothstep(min, max, x)|Returns 0 if x < min. Returns 1 if x > max. Returns a smooth Hermite interpolation between 0 and 1, if x is in the range [min, max]. ");
	m_inst[_T("sqrt")] = _T("sqrt(value a)|Square root (per component). ");
	m_inst[_T("step")] = _T("step(a, x)|Returns (x >= a) ? 1 : 0. ");
	m_inst[_T("tan")] = _T("tan(x)|Returns the tangent of x. ");
	m_inst[_T("tanh")] = _T("tanh(x)|Returns the hyperbolic tangent of x. ");
	m_inst[_T("tex1d")] = _T("tex1D(s, t)|1-D texture lookup. s is a sampler or a sampler1D object. t is a scalar. ");
	m_inst[_T("tex1d(")] = _T("tex1D(s, t, ddx, ddy)|1-D texture lookup, with derivatives. s is a sampler or sampler1D object. t, ddx, and ddy are scalars. ");
	m_inst[_T("tex1dproj")] = _T("tex1Dproj(s, t)|1-D projective texture lookup. s is a sampler or sampler1D object. t is a 4-D vector. t is divided by its last component before the lookup takes place. ");
	m_inst[_T("tex1dbias")] = _T("tex1Dbias(s, t)|1-D biased texture lookup. s is a sampler or sampler1D object. t is a 4-D vector. The mip level is biased by t.w before the lookup takes place. ");
	m_inst[_T("tex2d")] = _T("tex2D(s, t)|2-D texture lookup. s is a sampler or a sampler2D object. t is a 2-D texture coordinate. ");
	m_inst[_T("tex2d(")] = _T("tex2D(s, t, ddx, ddy)|2-D texture lookup, with derivatives. s is a sampler or sampler2D object. t, ddx, and ddy are 2-D vectors. ");
	m_inst[_T("tex2dproj")] = _T("tex2Dproj(s, t)|2-D projective texture lookup. s is a sampler or sampler2D object. t is a 4-D vector. t is divided by its last component before the lookup takes place. ");
	m_inst[_T("tex2dbias")] = _T("tex2Dbias(s, t)|2-D biased texture lookup. s is a sampler or sampler2D object. t is a 4-D vector. The mip level is biased by t.w before the lookup takes place. ");
	m_inst[_T("tex3d")] = _T("tex3D(s, t)|3-D volume texture lookup. s is a sampler or a sampler3D object. t is a 3-D texture coordinate. ");
	m_inst[_T("tex3d(")] = _T("tex3D(s, t, ddx, ddy)|3-D volume texture lookup, with derivatives. s is a sampler or sampler3D object. t, ddx, and ddy are 3-D vectors. ");
	m_inst[_T("tex3dproj")] = _T("tex3Dproj(s, t)|3-D projective volume texture lookup. s is a sampler or sampler3D object. t is a 4-D vector. t is divided by its last component before the lookup takes place. ");
	m_inst[_T("tex3dbias")] = _T("tex3Dbias(s, t)|3-D biased texture lookup. s is a sampler or sampler3D object. t is a 4-D vector. The mip level is biased by t.w before the lookup takes place. ");
	m_inst[_T("texcube")] = _T("texCUBE(s, t)|3-D cube texture lookup. s is a sampler or a samplerCUBE object. t is a 3-D texture coordinate. ");
	m_inst[_T("texcube(")] = _T("texCUBE(s, t, ddx, ddy)|3-D cube texture lookup, with derivatives. s is a sampler or samplerCUBE object. t, ddx, and ddy are 3-D vectors. ");
	m_inst[_T("texcubeproj")] = _T("texCUBEproj(s, t)|3-D projective cube texture lookup. s is a sampler or samplerCUBE object. t is a 4-D vector. t is divided by its last component before the lookup takes place. ");
	m_inst[_T("texcubebias")] = _T("texCUBEbias(s, t)|3-D biased cube texture lookup. s is a sampler or samplerCUBE object. t is a 4-dimensional vector. The mip level is biased by t.w before the lookup takes place.  ");
	m_inst[_T("transpose")] = _T("transpose(m)|Returns the transpose of the matrix m. If the source is dimension mrows x mcolumns, the result is dimension mcolumns x mrows. ");
}

CShaderAutoCompleteDlg::~CShaderAutoCompleteDlg()
{
}

void CShaderAutoCompleteDlg::DoDataExchange(CDataExchange* pDX)
{
	__super::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_LIST1, m_list);
}


BEGIN_MESSAGE_MAP(CShaderAutoCompleteDlg, CResizableDialog)
	ON_WM_SETFOCUS()
	ON_LBN_SELCHANGE(IDC_LIST1, OnLbnSelchangeList1)
	ON_WM_SHOWWINDOW()
END_MESSAGE_MAP()


// CShaderAutoCompleteDlg message handlers

BOOL CShaderAutoCompleteDlg::OnInitDialog()
{
	CResizableDialog::OnInitDialog();

	AddAnchor(IDC_LIST1, TOP_LEFT, BOTTOM_RIGHT);

	m_hToolTipWnd = CreateWindowEx(
		WS_EX_TOPMOST, TOOLTIPS_CLASS, NULL, TTS_NOPREFIX | TTS_ALWAYSTIP,
		CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
		NULL, NULL, NULL, NULL);

	memset(&m_ti, 0, sizeof(m_ti));
	m_ti.cbSize = sizeof(TOOLINFO);
	m_ti.uFlags = TTF_ABSOLUTE|TTF_TRACK;
	m_ti.hwnd = m_hWnd;
	m_ti.lpszText = m_text;

	::SendMessage(m_hToolTipWnd, TTM_ADDTOOL, 0, (LPARAM)&m_ti);
	::SendMessage(m_hToolTipWnd, TTM_SETMAXTIPWIDTH, 0, (LPARAM)400);

	return TRUE;  // return TRUE unless you set the focus to a control
	// EXCEPTION: OCX Property Pages should return FALSE
}

void CShaderAutoCompleteDlg::OnSetFocus(CWnd* pOldWnd)
{
	__super::OnSetFocus(pOldWnd);

	GetParent()->SetFocus();
}

void CShaderAutoCompleteDlg::OnLbnSelchangeList1()
{
	::SendMessage(m_hToolTipWnd, TTM_TRACKACTIVATE, FALSE, (LPARAM)&m_ti);

	int i = m_list.GetCurSel();
	if(i < 0) return;

	if(POSITION pos = (POSITION)m_list.GetItemData(i))
	{
		CString str, desc;
		m_inst.GetNextAssoc(pos, str, desc);
		CList<CString> sl;
		Explode(desc, sl, '|', 2);
		if(sl.GetCount() != 2) return;
		_tcscpy(m_ti.lpszText, sl.RemoveTail());
		CRect r;
		GetWindowRect(r);
		::SendMessage(m_hToolTipWnd, TTM_UPDATETIPTEXT, 0, (LPARAM)&m_ti);
		::SendMessage(m_hToolTipWnd, TTM_TRACKPOSITION, 0, (LPARAM)MAKELONG(r.left, r.bottom+1));
		::SendMessage(m_hToolTipWnd, TTM_TRACKACTIVATE, TRUE, (LPARAM)&m_ti);
	}
}

void CShaderAutoCompleteDlg::OnShowWindow(BOOL bShow, UINT nStatus)
{
	CResizableDialog::OnShowWindow(bShow, nStatus);

	if(!bShow)
	{
		::SendMessage(m_hToolTipWnd, TTM_TRACKACTIVATE, FALSE, (LPARAM)&m_ti);
	}
}
