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Merge branch 'fix-grid-resizing'

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Fix bugs in wxGrid mouse handling and simplify the code.

See https://github.com/wxWidgets/wxWidgets/pull/2018
This commit is contained in:
Vadim Zeitlin
2020-08-31 14:53:37 +02:00
parent 82f7cb6e9b 0e8ca0c8f9
commit d41539ef05
2 changed files with 85 additions and 79 deletions
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1
include/wx/generic/grid.h
View File

@@ -3003,7 +3003,6 @@ private:
void DoGridProcessTab(wxKeyboardState& kbdState);
// common implementations of methods defined for both rows and columns
bool DoEndDragResizeLine(const wxGridOperations& oper, wxGridWindow *gridWindow);
int PosToLinePos(int pos, bool clipToMinMax,
const wxGridOperations& oper,
wxGridWindow *gridWindow) const;

163
src/generic/grid.cpp
View File

@@ -4551,91 +4551,98 @@ wxGrid::DoGridCellLeftDown(wxMouseEvent& event,
return;
}
if ( event.ShiftDown() && !event.CmdDown() )
// Process the mouse down event depending on the current cursor mode. Note
// that this assumes m_cursorMode was set in the mouse move event hendler.
switch ( m_cursorMode )
{
if ( m_selection )
{
m_selection->ExtendCurrentBlock(m_currentCellCoords, coords, event);
MakeCellVisible(coords);
}
}
else
{
// Clicking on (or very near) the separating lines shouldn't change the
// selection when it's used for resizing -- but should still do it if
// resizing is disabled (notice that we intentionally don't check for
// it being disabled for a particular row/column as it would be
// surprising to have different mouse behaviour in different parts of
// the same grid, so we only check for it being globally disabled).
int dragRowOrCol = wxNOT_FOUND;
if ( CanDragGridColEdges() )
dragRowOrCol = XToEdgeOfCol(pos.x);
if ( dragRowOrCol == wxNOT_FOUND && CanDragGridRowEdges() )
dragRowOrCol = YToEdgeOfRow(pos.y);
if ( dragRowOrCol != wxNOT_FOUND )
{
DoStartResizeRowOrCol(dragRowOrCol);
return;
}
DisableCellEditControl();
MakeCellVisible( coords );
if ( event.CmdDown() && !event.ShiftDown() )
{
if ( m_selection )
case WXGRID_CURSOR_RESIZE_ROW:
case WXGRID_CURSOR_RESIZE_COL:
{
if ( !m_selection->IsInSelection(coords) )
int dragRowOrCol = wxNOT_FOUND;
if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
dragRowOrCol = XToEdgeOfCol(pos.x);
else
dragRowOrCol = YToEdgeOfRow(pos.y);
wxCHECK_RET( dragRowOrCol != -1, "Can't determine row or column in resizing mode" );
DoStartResizeRowOrCol(dragRowOrCol);
}
break;
case WXGRID_CURSOR_SELECT_CELL:
case WXGRID_CURSOR_SELECT_ROW:
case WXGRID_CURSOR_SELECT_COL:
DisableCellEditControl();
MakeCellVisible(coords);
if (event.ShiftDown() && !event.CmdDown())
{
if (m_selection)
{
// If the cell is not selected, select it.
m_selection->SelectBlock(coords.GetRow(), coords.GetCol(),
coords.GetRow(), coords.GetCol(),
event);
m_selection->ExtendCurrentBlock(m_currentCellCoords, coords, event);
}
}
else
{
if ( event.CmdDown() && !event.ShiftDown() )
{
if ( m_selection )
{
if ( !m_selection->IsInSelection(coords) )
{
// If the cell is not selected, select it.
m_selection->SelectBlock(coords.GetRow(), coords.GetCol(),
coords.GetRow(), coords.GetCol(),
event);
}
else
{
// Otherwise deselect it.
m_selection->DeselectBlock(
wxGridBlockCoords(coords.GetRow(), coords.GetCol(),
coords.GetRow(), coords.GetCol()),
event);
}
}
}
else
{
// Otherwise deselect it.
m_selection->DeselectBlock(
wxGridBlockCoords(coords.GetRow(), coords.GetCol(),
coords.GetRow(), coords.GetCol()),
event);
ClearSelection();
if ( m_selection )
{
// In row or column selection mode just clicking on the cell
// should select the row or column containing it: this is more
// convenient for the kinds of controls that use such selection
// mode and is compatible with 2.8 behaviour (see #12062).
switch ( m_selection->GetSelectionMode() )
{
case wxGridSelectCells:
case wxGridSelectRowsOrColumns:
// nothing to do in these cases
break;
case wxGridSelectRows:
m_selection->SelectRow(coords.GetRow());
break;
case wxGridSelectColumns:
m_selection->SelectCol(coords.GetCol());
break;
}
}
m_waitForSlowClick = m_currentCellCoords == coords &&
coords != wxGridNoCellCoords;
}
SetCurrentCell(coords);
}
}
else
{
ClearSelection();
break;
if ( m_selection )
{
// In row or column selection mode just clicking on the cell
// should select the row or column containing it: this is more
// convenient for the kinds of controls that use such selection
// mode and is compatible with 2.8 behaviour (see #12062).
switch ( m_selection->GetSelectionMode() )
{
case wxGridSelectCells:
case wxGridSelectRowsOrColumns:
// nothing to do in these cases
break;
case wxGridSelectRows:
m_selection->SelectRow(coords.GetRow());
break;
case wxGridSelectColumns:
m_selection->SelectCol(coords.GetCol());
break;
}
}
m_waitForSlowClick = m_currentCellCoords == coords &&
coords != wxGridNoCellCoords;
}
SetCurrentCell(coords);
case WXGRID_CURSOR_MOVE_COL:
// Nothing to do here for this case.
break;
}
}
@@ -4707,14 +4714,14 @@ wxGrid::DoGridMouseMoveEvent(wxMouseEvent& WXUNUSED(event),
// cell corner, as this is a more common operation.
if ( dragCol >= 0 && CanDragGridColEdges() && CanDragColSize(dragCol) )
{
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
if ( m_cursorMode != WXGRID_CURSOR_RESIZE_COL )
{
ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, gridWindow, false);
}
}
else if ( dragRow >= 0 && CanDragGridRowEdges() && CanDragRowSize(dragRow) )
{
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
if ( m_cursorMode != WXGRID_CURSOR_RESIZE_ROW)
{
ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, gridWindow, false);
}