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Merge branch 'grid-selecting'

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Fix several problems related to selecting cells from keyboard in wxGrid.

Closes https://github.com/wxWidgets/wxWidgets/pull/1719
This commit is contained in:
Vadim Zeitlin
2020-02-04 02:13:20 +01:00
parent 6e52a70582 5b797618a1
commit e171757160
3 changed files with 179 additions and 20 deletions
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95
src/generic/grid.cpp
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@@ -5563,15 +5563,80 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
break;
case WXK_HOME:
GoToCell(event.ControlDown() ? 0
: m_currentCellCoords.GetRow(),
0);
break;
case WXK_END:
GoToCell(event.ControlDown() ? m_numRows - 1
: m_currentCellCoords.GetRow(),
m_numCols - 1);
if ( m_currentCellCoords != wxGridNoCellCoords )
{
const bool goToBeginning = event.GetKeyCode() == WXK_HOME;
// Find the first or last visible row if we need to go to it
// (without Control, we keep the current row).
int row;
if ( event.ControlDown() )
{
if ( goToBeginning )
{
for ( row = 0; row < m_numRows; ++row )
{
if ( IsRowShown(row) )
break;
}
}
else
{
for ( row = m_numRows - 1; row >= 0; --row )
{
if ( IsRowShown(row) )
break;
}
}
}
else
{
// If we're selecting, continue in the same row, which
// may well be different from the one in which we
// started selecting.
if ( event.ShiftDown() &&
m_selectedBlockCorner != wxGridNoCellCoords )
{
row = m_selectedBlockCorner.GetRow();
}
else // Just use the current row.
{
row = m_currentCellCoords.GetRow();
}
}
// Also find the last or first visible column in any case.
int col;
if ( goToBeginning )
{
for ( col = 0; col < m_numCols; ++col )
{
if ( IsColShown(GetColAt(col)) )
break;
}
}
else
{
for ( col = m_numCols - 1; col >= 0; --col )
{
if ( IsColShown(GetColAt(col)) )
break;
}
}
if ( event.ShiftDown() )
{
UpdateBlockBeingSelected(m_currentCellCoords,
wxGridCellCoords(row, col));
MakeCellVisible(row, col);
}
else
{
ClearSelection();
GoToCell(row, GetColAt(col));
}
}
break;
case WXK_PAGEUP:
@@ -5822,11 +5887,16 @@ bool wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
}
void
wxGrid::UpdateBlockBeingSelected(int topRow, int leftCol,
int bottomRow, int rightCol)
wxGrid::UpdateBlockBeingSelected(int blockStartRow, int blockStartCol,
int blockEndRow, int blockEndCol)
{
m_selectedBlockCorner = wxGridCellCoords(blockEndRow, blockEndCol);
MakeCellVisible(m_selectedBlockCorner);
m_selectedBlockCorner = wxGridCellCoords(bottomRow, rightCol);
int topRow = wxMin(blockStartRow, blockEndRow);
int leftCol = wxMin(blockStartCol, blockEndCol);
int bottomRow = wxMax(blockStartRow, blockEndRow);
int rightCol = wxMax(blockStartCol, blockEndCol);
if ( m_selection )
{
@@ -5864,9 +5934,6 @@ wxGrid::UpdateBlockBeingSelected(int topRow, int leftCol,
}
}
EnsureFirstLessThanSecond(topRow, bottomRow);
EnsureFirstLessThanSecond(leftCol, rightCol);
wxGridCellCoords updateTopLeft = wxGridCellCoords(topRow, leftCol),
updateBottomRight = wxGridCellCoords(bottomRow, rightCol);