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Add wxGrid::GetSelectedRowBlocks() and GetSelectedColBlocks()

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These functions are much simpler to use in the application code using
wxGrid in row- or column-only selection mode than GetSelectedBlocks()
itself because they take care of deduplicating, ordering and squashing
together the adjacent ranges, so that the application can use their
results directly, unlike with GetSelectedBlocks().
This commit is contained in:
Vadim Zeitlin
2020-05-27 03:19:34 +02:00
parent 445ccb23cc
commit 3307000baa
5 changed files with 271 additions and 1 deletions
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10
include/wx/generic/grid.h
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@@ -864,6 +864,8 @@ private:
int m_rightCol;
};
typedef wxVector<wxGridBlockCoords> wxGridBlockCoordsVector;
// ----------------------------------------------------------------------------
// wxGridBlockDiffResult: The helper struct uses as a result type for difference
// functions of wxGridBlockCoords class.
@@ -882,7 +884,7 @@ struct wxGridBlockDiffResult
class wxGridBlocks
{
typedef wxVector<wxGridBlockCoords>::const_iterator iterator_impl;
typedef wxGridBlockCoordsVector::const_iterator iterator_impl;
public:
class iterator
@@ -1997,7 +1999,13 @@ public:
bool IsInSelection( const wxGridCellCoords& coords ) const
{ return IsInSelection( coords.GetRow(), coords.GetCol() ); }
// Efficient methods returning the selected blocks (there are few of those).
wxGridBlocks GetSelectedBlocks() const;
wxGridBlockCoordsVector GetSelectedRowBlocks() const;
wxGridBlockCoordsVector GetSelectedColBlocks() const;
// Less efficient (but maybe more convenient methods) returning all
// selected cells, rows or columns -- there can be many and many of those.
wxGridCellCoordsArray GetSelectedCells() const;
wxGridCellCoordsArray GetSelectionBlockTopLeft() const;
wxGridCellCoordsArray GetSelectionBlockBottomRight() const;