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Fix bug with showing hidden wxGrid lines when resizing an adjacent one.

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Don't blindly assume that the previous line is big enough if the current one
isn't in wxGrid::PosToEdgeOfLine() (this assumption is wrong even without
taking hiding into account...).

Closes #14947.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73399 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2013-01-20 02:09:35 +00:00
parent 5af2b4e4fa
commit 71b619d7f4
2 changed files with 13 additions and 13 deletions
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25
src/generic/grid.cpp
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@@ -6663,7 +6663,7 @@ int wxGrid::XToPos(int x) const
return PosToLinePos(x, true /* clip */, wxGridColumnOperations());
}
// return the row number such that the y coord is near the edge of, or -1 if
// return the row/col number such that the pos is near the edge of, or -1 if
// not near an edge.
//
// notice that position can only possibly be near an edge if the row/column is
@@ -6672,22 +6672,21 @@ int wxGrid::XToPos(int x) const
// _never_ be considered to be near the edge).
int wxGrid::PosToEdgeOfLine(int pos, const wxGridOperations& oper) const
{
const int line = oper.PosToLine(this, pos, true);
// Get the bottom or rightmost line that could match.
int line = oper.PosToLine(this, pos, true);
if ( oper.GetLineSize(this, line) > WXGRID_LABEL_EDGE_ZONE )
// Go backwards until we find a line that is big enough.
while ( oper.GetLineSize(this, line) <= WXGRID_LABEL_EDGE_ZONE )
{
// We know that we are in this line, test whether we are close enough
// to start or end border, respectively.
if ( abs(oper.GetLineEndPos(this, line) - pos) < WXGRID_LABEL_EDGE_ZONE )
return line;
else if ( line > 0 &&
pos - oper.GetLineStartPos(this,
line) < WXGRID_LABEL_EDGE_ZONE )
{
return oper.GetLineBefore(this, line);
}
line = oper.GetLineBefore(this, line);
if ( line <= 0 )
break;
}
// If the bottom or right touches then we have a match
if ( abs(oper.GetLineEndPos(this, line) - pos) < WXGRID_LABEL_EDGE_ZONE )
return line;
return -1;
}