private void DeterminePopupPosition(Collection<WordInfo> c, RenderedTextInfo r, int maxWidth)
{
popUpInfo.visible = true;
popUpInfo.words = c;
WordInfo last = c[c.Count - 1];
// h: height
int h1;
int up;
int down;
if (r.Line1 == -1)
up = 0;
else
up = r.Line1;
if (r.Line2 == -1)
down = 0;
else
down = LastFullScreenLine - r.Line2;
if (r.Line1 == -1 || r.Line2 == -1)
h1 = LastFullScreenLine + 1;
else
h1 = r.Line2 - r.Line1 + 1;
int h2 = last.Line + 1;
// s: single
bool s1 = (h1 == 1);
bool s2 = (h2 == 1);
int length2 = last.X2;
popUpInfo.Y = -1;
if (s1 && s2)
{
if (down > 0)
{
if (r.X1 + length2 <= maxWidth)
SetPopUpCoordinates(r.Line2 + 1, r.X1, 1, 0);
else
SetPopUpCoordinates(r.Line2 + 1, maxWidth - length2, 1, 0);
}
else if (up > 0)
{
if (r.X1 + length2 <= maxWidth)
SetPopUpCoordinates(r.Line1 - 1, r.X1, -1, 0);
else
SetPopUpCoordinates(r.Line1 - 1, maxWidth - length2, -1, 0);
}
else if (popUpOffsetX + r.X2 + length2 <= maxWidth)
SetPopUpCoordinates(r.Line1, r.X2, 0, 1);
else if (r.X1 >= popUpOffsetX + length2)
SetPopUpCoordinates(r.Line1, r.X1 - length2, 0, -1);
}
else
{
if (h2 <= down)
SetPopUpCoordinates(r.Line2 + 1, 0, 1, 0);
else if (s2 && r.Line2 != -1 && r.Line2 <= LastFullScreenLine && r.X2 + popUpOffsetX + length2 <= maxWidth)
SetPopUpCoordinates(r.Line2, r.X2, 0, 1);
else if (h2 <= up)
if (h2 == 1)
SetPopUpCoordinates(r.Line1 - 1, maxWidth - length2, -1, 0);
else
if (r.Line1 != -1 && r.X1 >= length2 + popUpOffsetX)
SetPopUpCoordinates(r.Line1 - h2 + 1, 0, -1, 0);
else
SetPopUpCoordinates(r.Line1 - h2, 0, -1, 0);
else if (s2 && r.Line1 != -1 && r.X1 >= length2 + popUpOffsetX)
SetPopUpCoordinates(r.Line1, r.X1 - length2, 0, -1);
}
if (popUpInfo.Y == -1)
// The worst case: draw over
SetPopUpCoordinates((NumberOfScreenLines - h2 + 1) / 2, 0, 0, 0);
popUpInfo.Y2 = popUpInfo.Y + h2 - 1;
popUpInfo.X2 = popUpInfo.X + last.X2;
//DebugString = "[" + h1.ToString() + ']'
// + r.Line1.ToString() + ':' + r.X1.ToString() + '—'
// + r.Line2.ToString() + ':' + r.X2.ToString()
// + " -- > [" + h2.ToString() + ']' + popUpInfo.Y.ToString() + ':' + popUpInfo.X.ToString();
}
public TextPair()
{
Height = -1;
CurrentPos1 = 0;
CurrentPos2 = 0;
AllLinesComputed1 = false;
AllLinesComputed2 = false;
RenderedInfo1 = new RenderedTextInfo();
RenderedInfo2 = new RenderedTextInfo();
}