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Fix Shift-click/arrow behaviour for column/row selection

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Extend the current block to the entire line when the corresponding
header is Shift-clicked and, importantly, keep the full-line selection
when using Shift-arrows later to make the selection behave in the
expected way.
This commit is contained in:
Vadim Zeitlin
2020-04-12 02:13:09 +02:00
parent c90bed6f8e
commit 32bb5e9157
2 changed files with 63 additions and 42 deletions
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12
include/wx/generic/gridsel.h
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@@ -67,17 +67,19 @@ public:
void UpdateRows( size_t pos, int numRows );
void UpdateCols( size_t pos, int numCols );
// Extend (or shrink) the current selection block or create a new one.
// blockStart and blockEnd specifies the opposite corners of the currently
// edited selection block. In almost all cases blockStart equals to
// wxGrid::m_currentCellCoords (the exception is when we scrolled out from
// Extend (or shrink) the current selection block to the one specified by
// the start and end coordinates of its opposite corners (which don't have
// to be in top/bottom left/right order).
//
// Note that blockStart is equal to wxGrid::m_currentCellCoords almost
// always, but not always (the exception is when we scrolled out from
// the top of the grid and select a column or scrolled right and select
// a row: in this case the lowest visible row/column will be set as
// current, not the first one).
//
// Both components of both blockStart and blockEnd must be valid.
//
// Return true if the current block was actually changed or created.
// Return true if the current block was actually changed.
bool ExtendOrCreateCurrentBlock(const wxGridCellCoords& blockStart,
const wxGridCellCoords& blockEnd,
const wxKeyboardState& kbd);