// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+/*
+ TODO:
+
+ - Replace use of wxINVERT with wxOverlay
+ - Make Begin/EndBatch() the same as the generic Freeze/Thaw()
+ - Review the column reordering code, it's a mess.
+ - Implement row reordering after dealing with the columns.
+ */
+
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
class WXDLLIMPEXP_ADV wxGridTypeRegistry
{
public:
- wxGridTypeRegistry() {}
+ wxGridTypeRegistry() {}
~wxGridTypeRegistry();
void RegisterDataType(const wxString& typeName,
wxGridDataTypeInfoArray m_typeinfo;
};
+// ----------------------------------------------------------------------------
+// operations classes abstracting the difference between operating on rows and
+// columns
+// ----------------------------------------------------------------------------
+
+// This class allows to write a function only once because by using its methods
+// it will apply to both columns and rows.
+//
+// This is an abstract interface definition, the two concrete implementations
+// below should be used when working with rows and columns respectively.
+class wxGridOperations
+{
+public:
+ // Returns the operations in the other direction, i.e. wxGridRowOperations
+ // if this object is a wxGridColumnOperations and vice versa.
+ virtual wxGridOperations& Dual() const = 0;
+
+ // Return the number of rows or columns.
+ virtual int GetNumberOfLines(const wxGrid *grid) const = 0;
+
+ // Return the selection mode which allows selecting rows or columns.
+ virtual wxGrid::wxGridSelectionModes GetSelectionMode() const = 0;
+
+ // Make a wxGridCellCoords from the given components: thisDir is row or
+ // column and otherDir is column or row
+ virtual wxGridCellCoords MakeCoords(int thisDir, int otherDir) const = 0;
+
+ // Calculate the scrolled position of the given abscissa or ordinate.
+ virtual int CalcScrolledPosition(wxGrid *grid, int pos) const = 0;
+
+ // Selects the horizontal or vertical component from the given object.
+ virtual int Select(const wxGridCellCoords& coords) const = 0;
+ virtual int Select(const wxPoint& pt) const = 0;
+ virtual int Select(const wxSize& sz) const = 0;
+ virtual int Select(const wxRect& r) const = 0;
+ virtual int& Select(wxRect& r) const = 0;
+
+ // Returns width or height of the rectangle
+ virtual int& SelectSize(wxRect& r) const = 0;
+
+ // Make a wxSize such that Select() applied to it returns first component
+ virtual wxSize MakeSize(int first, int second) const = 0;
+
+ // Sets the row or column component of the given cell coordinates
+ virtual void Set(wxGridCellCoords& coords, int line) const = 0;
+
+
+ // Draws a line parallel to the row or column, i.e. horizontal or vertical:
+ // pos is the vertical or horizontal position of the line and start and end
+ // are the coordinates of the line extremities in the other direction
+ virtual void
+ DrawParallelLine(wxDC& dc, int start, int end, int pos) const = 0;
+
+
+ // Return the row or column at the given pixel coordinate.
+ virtual int
+ PosToLine(const wxGrid *grid, int pos, bool clip = false) const = 0;
+
+ // Get the top/left position, in pixels, of the given row or column
+ virtual int GetLineStartPos(const wxGrid *grid, int line) const = 0;
+
+ // Get the bottom/right position, in pixels, of the given row or column
+ virtual int GetLineEndPos(const wxGrid *grid, int line) const = 0;
+
+ // Get the height/width of the given row/column
+ virtual int GetLineSize(const wxGrid *grid, int line) const = 0;
+
+ // Get wxGrid::m_rowBottoms/m_colRights array
+ virtual const wxArrayInt& GetLineEnds(const wxGrid *grid) const = 0;
+
+ // Get default height row height or column width
+ virtual int GetDefaultLineSize(const wxGrid *grid) const = 0;
+
+ // Return the minimal acceptable row height or column width
+ virtual int GetMinimalAcceptableLineSize(const wxGrid *grid) const = 0;
+
+ // Return the minimal row height or column width
+ virtual int GetMinimalLineSize(const wxGrid *grid, int line) const = 0;
+
+ // Set the row height or column width
+ virtual void SetLineSize(wxGrid *grid, int line, int size) const = 0;
+
+ // True if rows/columns can be resized by user
+ virtual bool CanResizeLines(const wxGrid *grid) const = 0;
+
+
+ // Return the index of the line at the given position
+ //
+ // NB: currently this is always identity for the rows as reordering is only
+ // implemented for the lines
+ virtual int GetLineAt(const wxGrid *grid, int line) const = 0;
+
+
+ // Get the row or column label window
+ virtual wxWindow *GetHeaderWindow(wxGrid *grid) const = 0;
+
+ // Get the width or height of the row or column label window
+ virtual int GetHeaderWindowSize(wxGrid *grid) const = 0;
+
+
+ // This class is never used polymorphically but give it a virtual dtor
+ // anyhow to suppress g++ complaints about it
+ virtual ~wxGridOperations() { }
+};
+
+class wxGridRowOperations : public wxGridOperations
+{
+public:
+ virtual wxGridOperations& Dual() const;
+
+ virtual int GetNumberOfLines(const wxGrid *grid) const
+ { return grid->GetNumberRows(); }
+
+ virtual wxGrid::wxGridSelectionModes GetSelectionMode() const
+ { return wxGrid::wxGridSelectRows; }
+
+ virtual wxGridCellCoords MakeCoords(int thisDir, int otherDir) const
+ { return wxGridCellCoords(thisDir, otherDir); }
+
+ virtual int CalcScrolledPosition(wxGrid *grid, int pos) const
+ { return grid->CalcScrolledPosition(wxPoint(pos, 0)).x; }
+
+ virtual int Select(const wxGridCellCoords& c) const { return c.GetRow(); }
+ virtual int Select(const wxPoint& pt) const { return pt.x; }
+ virtual int Select(const wxSize& sz) const { return sz.x; }
+ virtual int Select(const wxRect& r) const { return r.x; }
+ virtual int& Select(wxRect& r) const { return r.x; }
+ virtual int& SelectSize(wxRect& r) const { return r.width; }
+ virtual wxSize MakeSize(int first, int second) const
+ { return wxSize(first, second); }
+ virtual void Set(wxGridCellCoords& coords, int line) const
+ { coords.SetRow(line); }
+
+ virtual void DrawParallelLine(wxDC& dc, int start, int end, int pos) const
+ { dc.DrawLine(start, pos, end, pos); }
+
+ virtual int PosToLine(const wxGrid *grid, int pos, bool clip = false) const
+ { return grid->YToRow(pos, clip); }
+ virtual int GetLineStartPos(const wxGrid *grid, int line) const
+ { return grid->GetRowTop(line); }
+ virtual int GetLineEndPos(const wxGrid *grid, int line) const
+ { return grid->GetRowBottom(line); }
+ virtual int GetLineSize(const wxGrid *grid, int line) const
+ { return grid->GetRowHeight(line); }
+ virtual const wxArrayInt& GetLineEnds(const wxGrid *grid) const
+ { return grid->m_rowBottoms; }
+ virtual int GetDefaultLineSize(const wxGrid *grid) const
+ { return grid->GetDefaultRowSize(); }
+ virtual int GetMinimalAcceptableLineSize(const wxGrid *grid) const
+ { return grid->GetRowMinimalAcceptableHeight(); }
+ virtual int GetMinimalLineSize(const wxGrid *grid, int line) const
+ { return grid->GetRowMinimalHeight(line); }
+ virtual void SetLineSize(wxGrid *grid, int line, int size) const
+ { grid->SetRowSize(line, size); }
+ virtual bool CanResizeLines(const wxGrid *grid) const
+ { return grid->CanDragRowSize(); }
+
+ virtual int GetLineAt(const wxGrid * WXUNUSED(grid), int line) const
+ { return line; } // TODO: implement row reordering
+
+ virtual wxWindow *GetHeaderWindow(wxGrid *grid) const
+ { return grid->GetGridRowLabelWindow(); }
+ virtual int GetHeaderWindowSize(wxGrid *grid) const
+ { return grid->GetRowLabelSize(); }
+};
+
+class wxGridColumnOperations : public wxGridOperations
+{
+public:
+ virtual wxGridOperations& Dual() const;
+
+ virtual int GetNumberOfLines(const wxGrid *grid) const
+ { return grid->GetNumberCols(); }
+
+ virtual wxGrid::wxGridSelectionModes GetSelectionMode() const
+ { return wxGrid::wxGridSelectColumns; }
+
+ virtual wxGridCellCoords MakeCoords(int thisDir, int otherDir) const
+ { return wxGridCellCoords(otherDir, thisDir); }
+
+ virtual int CalcScrolledPosition(wxGrid *grid, int pos) const
+ { return grid->CalcScrolledPosition(wxPoint(0, pos)).y; }
+
+ virtual int Select(const wxGridCellCoords& c) const { return c.GetCol(); }
+ virtual int Select(const wxPoint& pt) const { return pt.y; }
+ virtual int Select(const wxSize& sz) const { return sz.y; }
+ virtual int Select(const wxRect& r) const { return r.y; }
+ virtual int& Select(wxRect& r) const { return r.y; }
+ virtual int& SelectSize(wxRect& r) const { return r.height; }
+ virtual wxSize MakeSize(int first, int second) const
+ { return wxSize(second, first); }
+ virtual void Set(wxGridCellCoords& coords, int line) const
+ { coords.SetCol(line); }
+
+ virtual void DrawParallelLine(wxDC& dc, int start, int end, int pos) const
+ { dc.DrawLine(pos, start, pos, end); }
+
+ virtual int PosToLine(const wxGrid *grid, int pos, bool clip = false) const
+ { return grid->XToCol(pos, clip); }
+ virtual int GetLineStartPos(const wxGrid *grid, int line) const
+ { return grid->GetColLeft(line); }
+ virtual int GetLineEndPos(const wxGrid *grid, int line) const
+ { return grid->GetColRight(line); }
+ virtual int GetLineSize(const wxGrid *grid, int line) const
+ { return grid->GetColWidth(line); }
+ virtual const wxArrayInt& GetLineEnds(const wxGrid *grid) const
+ { return grid->m_colRights; }
+ virtual int GetDefaultLineSize(const wxGrid *grid) const
+ { return grid->GetDefaultColSize(); }
+ virtual int GetMinimalAcceptableLineSize(const wxGrid *grid) const
+ { return grid->GetColMinimalAcceptableWidth(); }
+ virtual int GetMinimalLineSize(const wxGrid *grid, int line) const
+ { return grid->GetColMinimalWidth(line); }
+ virtual void SetLineSize(wxGrid *grid, int line, int size) const
+ { grid->SetColSize(line, size); }
+ virtual bool CanResizeLines(const wxGrid *grid) const
+ { return grid->CanDragColSize(); }
+
+ virtual int GetLineAt(const wxGrid *grid, int line) const
+ { return grid->GetColAt(line); }
+
+ virtual wxWindow *GetHeaderWindow(wxGrid *grid) const
+ { return grid->GetGridColLabelWindow(); }
+ virtual int GetHeaderWindowSize(wxGrid *grid) const
+ { return grid->GetColLabelSize(); }
+};
+
+wxGridOperations& wxGridRowOperations::Dual() const
+{
+ static wxGridColumnOperations s_colOper;
+
+ return s_colOper;
+}
+
+wxGridOperations& wxGridColumnOperations::Dual() const
+{
+ static wxGridRowOperations s_rowOper;
+
+ return s_rowOper;
+}
+
+// This class abstracts the difference between operations going forward
+// (down/right) and backward (up/left) and allows to use the same code for
+// functions which differ only in the direction of grid traversal
+//
+// Like wxGridOperations it's an ABC with two concrete subclasses below. Unlike
+// it, this is a normal object and not just a function dispatch table and has a
+// non-default ctor.
+//
+// Note: the explanation of this discrepancy is the existence of (very useful)
+// Dual() method in wxGridOperations which forces us to make wxGridOperations a
+// function dispatcher only.
+class wxGridDirectionOperations
+{
+public:
+ // The oper parameter to ctor selects whether we work with rows or columns
+ wxGridDirectionOperations(wxGrid *grid, const wxGridOperations& oper)
+ : m_grid(grid),
+ m_oper(oper)
+ {
+ }
+
+ // Check if the component of this point in our direction is at the
+ // boundary, i.e. is the first/last row/column
+ virtual bool IsAtBoundary(const wxGridCellCoords& coords) const = 0;
+
+ // Increment the component of this point in our direction
+ virtual void Advance(wxGridCellCoords& coords) const = 0;
+
+ // Find the line at the given distance, in pixels, away from this one
+ // (this uses clipping, i.e. anything after the last line is counted as the
+ // last one and anything before the first one as 0)
+ virtual int MoveByPixelDistance(int line, int distance) const = 0;
+
+ // This class is never used polymorphically but give it a virtual dtor
+ // anyhow to suppress g++ complaints about it
+ virtual ~wxGridDirectionOperations() { }
+
+protected:
+ wxGrid * const m_grid;
+ const wxGridOperations& m_oper;
+};
+
+class wxGridBackwardOperations : public wxGridDirectionOperations
+{
+public:
+ wxGridBackwardOperations(wxGrid *grid, const wxGridOperations& oper)
+ : wxGridDirectionOperations(grid, oper)
+ {
+ }
+
+ virtual bool IsAtBoundary(const wxGridCellCoords& coords) const
+ {
+ wxASSERT_MSG( m_oper.Select(coords) >= 0, "invalid row/column" );
+
+ return m_oper.Select(coords) == 0;
+ }
+
+ virtual void Advance(wxGridCellCoords& coords) const
+ {
+ wxASSERT( !IsAtBoundary(coords) );
+
+ m_oper.Set(coords, m_oper.Select(coords) - 1);
+ }
+
+ virtual int MoveByPixelDistance(int line, int distance) const
+ {
+ int pos = m_oper.GetLineStartPos(m_grid, line);
+ return m_oper.PosToLine(m_grid, pos - distance + 1, true);
+ }
+};
+
+class wxGridForwardOperations : public wxGridDirectionOperations
+{
+public:
+ wxGridForwardOperations(wxGrid *grid, const wxGridOperations& oper)
+ : wxGridDirectionOperations(grid, oper),
+ m_numLines(oper.GetNumberOfLines(grid))
+ {
+ }
+
+ virtual bool IsAtBoundary(const wxGridCellCoords& coords) const
+ {
+ wxASSERT_MSG( m_oper.Select(coords) < m_numLines, "invalid row/column" );
+
+ return m_oper.Select(coords) == m_numLines - 1;
+ }
+
+ virtual void Advance(wxGridCellCoords& coords) const
+ {
+ wxASSERT( !IsAtBoundary(coords) );
+
+ m_oper.Set(coords, m_oper.Select(coords) + 1);
+ }
+
+ virtual int MoveByPixelDistance(int line, int distance) const
+ {
+ int pos = m_oper.GetLineStartPos(m_grid, line);
+ return m_oper.PosToLine(m_grid, pos + distance, true);
+ }
+
+private:
+ const int m_numLines;
+};
+
// ----------------------------------------------------------------------------
// globals
// ----------------------------------------------------------------------------
// in these hash tables is the number of rows/columns)
static const int GRID_HASH_SIZE = 100;
+// ----------------------------------------------------------------------------
+// private helpers
+// ----------------------------------------------------------------------------
+
+namespace
+{
+
+// ensure that first is less or equal to second, swapping the values if
+// necessary
+void EnsureFirstLessThanSecond(int& first, int& second)
+{
+ if ( first > second )
+ wxSwap(first, second);
+}
+
+} // anonymous namespace
+
// ============================================================================
// implementation
// ============================================================================
wxGridCellAttr *wxGridCellAttrData::GetAttr(int row, int col) const
{
- wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
+ wxGridCellAttr *attr = NULL;
int n = FindIndex(row, col);
if ( n != wxNOT_FOUND )
wxGridCellAttr *wxGridRowOrColAttrData::GetAttr(int rowOrCol) const
{
- wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
+ wxGridCellAttr *attr = NULL;
int n = m_rowsOrCols.Index(rowOrCol);
if ( n != wxNOT_FOUND )
wxGridCellAttrProvider::wxGridCellAttrProvider()
{
- m_data = (wxGridCellAttrProviderData *)NULL;
+ m_data = NULL;
}
wxGridCellAttrProvider::~wxGridCellAttrProvider()
wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
wxGridCellAttr::wxAttrKind kind ) const
{
- wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
+ wxGridCellAttr *attr = NULL;
if ( m_data )
{
switch (kind)
wxGridTableBase::wxGridTableBase()
{
- m_view = (wxGrid *) NULL;
- m_attrProvider = (wxGridCellAttrProvider *) NULL;
+ m_view = NULL;
+ m_attrProvider = NULL;
}
wxGridTableBase::~wxGridTableBase()
if ( m_attrProvider )
return m_attrProvider->GetAttr(row, col, kind);
else
- return (wxGridCellAttr *)NULL;
+ return NULL;
}
void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
wxGridTableMessage::wxGridTableMessage()
{
- m_table = (wxGridTableBase *) NULL;
+ m_table = NULL;
m_id = -1;
m_comInt1 = -1;
m_comInt2 = -1;
event.Skip();
}
-//////////////////////////////////////////////////////////////////////
-
-// Internal Helper function for computing row or column from some
-// (unscrolled) coordinate value, using either
-// m_defaultRowHeight/m_defaultColWidth or binary search on array
-// of m_rowBottoms/m_ColRights to speed up the search!
-
-// Internal helper macros for simpler use of that function
-
-static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
- const wxArrayInt& BorderArray, int nMax,
- bool clipToMinMax);
-
#define internalXToCol(x) XToCol(x, true)
-#define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
- m_minAcceptableRowHeight, \
- m_rowBottoms, m_numRows, true)
+#define internalYToRow(y) YToRow(y, true)
/////////////////////////////////////////////////////////////////////
}
bool wxGrid::CreateGrid( int numRows, int numCols,
- wxGrid::wxGridSelectionModes selmode )
+ wxGridSelectionModes selmode )
{
wxCHECK_MSG( !m_created,
false,
wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
- m_numRows = numRows;
- m_numCols = numCols;
-
- m_table = new wxGridStringTable( m_numRows, m_numCols );
- m_table->SetView( this );
- m_ownTable = true;
- m_selection = new wxGridSelection( this, selmode );
-
- CalcDimensions();
-
- m_created = true;
-
- return m_created;
+ return SetTable(new wxGridStringTable(numRows, numCols), true, selmode);
}
-void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
+void wxGrid::SetSelectionMode(wxGridSelectionModes selmode)
{
wxCHECK_RET( m_created,
wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const
{
- wxCHECK_MSG( m_created, wxGrid::wxGridSelectCells,
+ wxCHECK_MSG( m_created, wxGridSelectCells,
wxT("Called wxGrid::GetSelectionMode() before calling CreateGrid()") );
return m_selection->GetSelectionMode();
}
-bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
- wxGrid::wxGridSelectionModes selmode )
+bool
+wxGrid::SetTable(wxGridTableBase *table,
+ bool takeOwnership,
+ wxGrid::wxGridSelectionModes selmode )
{
bool checkSelection = false;
if ( m_created )
m_canDragColMove = false;
m_cursorMode = WXGRID_CURSOR_SELECT_CELL;
- m_winCapture = (wxWindow *)NULL;
+ m_winCapture = NULL;
m_canDragRowSize = true;
m_canDragColSize = true;
m_canDragGridSize = true;
{
if (m_winCapture->HasCapture())
m_winCapture->ReleaseMouse();
- m_winCapture = (wxWindow *)NULL;
+ m_winCapture = NULL;
}
m_cursorMode = mode;
}
}
-void wxGrid::DoEndDragResizeRow()
+void wxGrid::DoEndDragResizeLine(const wxGridOperations& oper)
{
- if ( m_dragLastPos >= 0 )
- {
- // erase the last line and resize the row
- //
- int cw, ch, left, dummy;
- m_gridWin->GetClientSize( &cw, &ch );
- CalcUnscrolledPosition( 0, 0, &left, &dummy );
+ if ( m_dragLastPos == -1 )
+ return;
- wxClientDC dc( m_gridWin );
- PrepareDC( dc );
- dc.SetLogicalFunction( wxINVERT );
- dc.DrawLine( left, m_dragLastPos, left + cw, m_dragLastPos );
- HideCellEditControl();
- SaveEditControlValue();
+ const wxGridOperations& doper = oper.Dual();
- int rowTop = GetRowTop(m_dragRowOrCol);
- SetRowSize( m_dragRowOrCol,
- wxMax( m_dragLastPos - rowTop, m_minAcceptableRowHeight ) );
+ const wxSize size = m_gridWin->GetClientSize();
- if ( !GetBatchCount() )
- {
- // Only needed to get the correct rect.y:
- wxRect rect ( CellToRect( m_dragRowOrCol, 0 ) );
- rect.x = 0;
- CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
- rect.width = m_rowLabelWidth;
- rect.height = ch - rect.y;
- m_rowLabelWin->Refresh( true, &rect );
- rect.width = cw;
+ const wxPoint ptOrigin = CalcUnscrolledPosition(wxPoint(0, 0));
- // if there is a multicell block, paint all of it
- if (m_table)
- {
- int i, cell_rows, cell_cols, subtract_rows = 0;
- int leftCol = XToCol(left);
- int rightCol = internalXToCol(left + cw);
- if (leftCol >= 0)
- {
- for (i=leftCol; i<rightCol; i++)
- {
- GetCellSize(m_dragRowOrCol, i, &cell_rows, &cell_cols);
- if (cell_rows < subtract_rows)
- subtract_rows = cell_rows;
- }
- rect.y = GetRowTop(m_dragRowOrCol + subtract_rows);
- CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
- rect.height = ch - rect.y;
- }
- }
- m_gridWin->Refresh( false, &rect );
- }
+ // erase the last line we drew
+ wxClientDC dc(m_gridWin);
+ PrepareDC(dc);
+ dc.SetLogicalFunction(wxINVERT);
- ShowCellEditControl();
- }
-}
+ const int posLineStart = oper.Select(ptOrigin);
+ const int posLineEnd = oper.Select(ptOrigin) + oper.Select(size);
+ oper.DrawParallelLine(dc, posLineStart, posLineEnd, m_dragLastPos);
-void wxGrid::DoEndDragResizeCol()
-{
- if ( m_dragLastPos >= 0 )
+ // temporarily hide the edit control before resizing
+ HideCellEditControl();
+ SaveEditControlValue();
+
+ // do resize the line
+ const int lineStart = oper.GetLineStartPos(this, m_dragRowOrCol);
+ oper.SetLineSize(this, m_dragRowOrCol,
+ wxMax(m_dragLastPos - lineStart,
+ oper.GetMinimalLineSize(this, m_dragRowOrCol)));
+
+ // refresh now if we're not frozen
+ if ( !GetBatchCount() )
{
- // erase the last line and resize the col
- //
- int cw, ch, dummy, top;
- m_gridWin->GetClientSize( &cw, &ch );
- CalcUnscrolledPosition( 0, 0, &dummy, &top );
+ // we need to refresh everything beyond the resized line in the header
+ // window
- wxClientDC dc( m_gridWin );
- PrepareDC( dc );
- dc.SetLogicalFunction( wxINVERT );
- dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top + ch );
- HideCellEditControl();
- SaveEditControlValue();
+ // get the position from which to refresh in the other direction
+ wxRect rect(CellToRect(oper.MakeCoords(m_dragRowOrCol, 0)));
+ rect.SetPosition(CalcScrolledPosition(rect.GetPosition()));
- int colLeft = GetColLeft(m_dragRowOrCol);
- SetColSize( m_dragRowOrCol,
- wxMax( m_dragLastPos - colLeft,
- GetColMinimalWidth(m_dragRowOrCol) ) );
+ // we only need the ordinate (for rows) or abscissa (for columns) here,
+ // and need to cover the entire window in the other direction
+ oper.Select(rect) = 0;
- if ( !GetBatchCount() )
+ wxRect rectHeader(rect.GetPosition(),
+ oper.MakeSize
+ (
+ oper.GetHeaderWindowSize(this),
+ doper.Select(size) - doper.Select(rect)
+ ));
+
+ oper.GetHeaderWindow(this)->Refresh(true, &rectHeader);
+
+
+ // also refresh the grid window: extend the rectangle
+ if ( m_table )
{
- // Only needed to get the correct rect.x:
- wxRect rect ( CellToRect( 0, m_dragRowOrCol ) );
- rect.y = 0;
- CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
- rect.width = cw - rect.x;
- rect.height = m_colLabelHeight;
- m_colLabelWin->Refresh( true, &rect );
- rect.height = ch;
+ oper.SelectSize(rect) = oper.Select(size);
- // if there is a multicell block, paint all of it
- if (m_table)
+ int subtractLines = 0;
+ const int lineStart = oper.PosToLine(this, posLineStart);
+ if ( lineStart >= 0 )
{
- int i, cell_rows, cell_cols, subtract_cols = 0;
- int topRow = YToRow(top);
- int bottomRow = internalYToRow(top + cw);
- if (topRow >= 0)
+ // ensure that if we have a multi-cell block we redraw all of
+ // it by increasing the refresh area to cover it entirely if a
+ // part of it is affected
+ const int lineEnd = oper.PosToLine(this, posLineEnd, true);
+ for ( int line = lineStart; line < lineEnd; line++ )
{
- for (i=topRow; i<bottomRow; i++)
- {
- GetCellSize(i, m_dragRowOrCol, &cell_rows, &cell_cols);
- if (cell_cols < subtract_cols)
- subtract_cols = cell_cols;
- }
-
- rect.x = GetColLeft(m_dragRowOrCol + subtract_cols);
- CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
- rect.width = cw - rect.x;
+ int cellLines = oper.Select(
+ GetCellSize(oper.MakeCoords(m_dragRowOrCol, line)));
+ if ( cellLines < subtractLines )
+ subtractLines = cellLines;
}
}
- m_gridWin->Refresh( false, &rect );
- }
+ int startPos =
+ oper.GetLineStartPos(this, m_dragRowOrCol + subtractLines);
+ startPos = doper.CalcScrolledPosition(this, startPos);
+
+ doper.Select(rect) = startPos;
+ doper.SelectSize(rect) = doper.Select(size) - startPos;
- ShowCellEditControl();
+ m_gridWin->Refresh(false, &rect);
+ }
}
+
+ // show the edit control back again
+ ShowCellEditControl();
+}
+
+void wxGrid::DoEndDragResizeRow()
+{
+ DoEndDragResizeLine(wxGridRowOperations());
+}
+
+void wxGrid::DoEndDragResizeCol()
+{
+ DoEndDragResizeLine(wxGridColumnOperations());
}
void wxGrid::DoEndDragMoveCol()
// The behaviour of this function depends on the grid table class
// Clear() function. For the default wxGridStringTable class the
-// behavious is to replace all cell contents with wxEmptyString but
+// behaviour is to replace all cell contents with wxEmptyString but
// not to change the number of rows or cols.
//
void wxGrid::ClearGrid()
}
}
-bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
+bool
+wxGrid::DoModifyLines(bool (wxGridTableBase::*funcModify)(size_t, size_t),
+ int pos, int num, bool WXUNUSED(updateLabels) )
{
- if ( !m_created )
- {
- wxFAIL_MSG( wxT("Called wxGrid::InsertRows() before calling CreateGrid()") );
- return false;
- }
-
- if ( m_table )
- {
- if (IsCellEditControlEnabled())
- DisableCellEditControl();
-
- bool done = m_table->InsertRows( pos, numRows );
- return done;
-
- // the table will have sent the results of the insert row
- // operation to this view object as a grid table message
- }
-
- return false;
-}
+ wxCHECK_MSG( m_created, false, "must finish creating the grid first" );
-bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
-{
- if ( !m_created )
- {
- wxFAIL_MSG( wxT("Called wxGrid::AppendRows() before calling CreateGrid()") );
+ if ( !m_table )
return false;
- }
- if ( m_table )
- {
- bool done = m_table && m_table->AppendRows( numRows );
- return done;
+ if ( IsCellEditControlEnabled() )
+ DisableCellEditControl();
- // the table will have sent the results of the append row
- // operation to this view object as a grid table message
- }
+ return (m_table->*funcModify)(pos, num);
- return false;
+ // the table will have sent the results of the insert row
+ // operation to this view object as a grid table message
}
-bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
+bool
+wxGrid::DoAppendLines(bool (wxGridTableBase::*funcAppend)(size_t),
+ int num, bool WXUNUSED(updateLabels))
{
- if ( !m_created )
- {
- wxFAIL_MSG( wxT("Called wxGrid::DeleteRows() before calling CreateGrid()") );
- return false;
- }
-
- if ( m_table )
- {
- if (IsCellEditControlEnabled())
- DisableCellEditControl();
+ wxCHECK_MSG( m_created, false, "must finish creating the grid first" );
- bool done = m_table->DeleteRows( pos, numRows );
- return done;
- // the table will have sent the results of the delete row
- // operation to this view object as a grid table message
- }
+ if ( !m_table )
+ return false;
- return false;
+ return (m_table->*funcAppend)(num);
}
-bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
+//
+// ----- event handlers
+//
+
+// Generate a grid event based on a mouse event and
+// return the result of ProcessEvent()
+//
+int wxGrid::SendEvent( const wxEventType type,
+ int row, int col,
+ wxMouseEvent& mouseEv )
{
- if ( !m_created )
- {
- wxFAIL_MSG( wxT("Called wxGrid::InsertCols() before calling CreateGrid()") );
- return false;
- }
+ bool claimed, vetoed;
- if ( m_table )
- {
- if (IsCellEditControlEnabled())
- DisableCellEditControl();
-
- bool done = m_table->InsertCols( pos, numCols );
- return done;
- // the table will have sent the results of the insert col
- // operation to this view object as a grid table message
- }
-
- return false;
-}
-
-bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
-{
- if ( !m_created )
- {
- wxFAIL_MSG( wxT("Called wxGrid::AppendCols() before calling CreateGrid()") );
- return false;
- }
-
- if ( m_table )
- {
- bool done = m_table->AppendCols( numCols );
- return done;
- // the table will have sent the results of the append col
- // operation to this view object as a grid table message
- }
-
- return false;
-}
-
-bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
-{
- if ( !m_created )
- {
- wxFAIL_MSG( wxT("Called wxGrid::DeleteCols() before calling CreateGrid()") );
- return false;
- }
-
- if ( m_table )
- {
- if (IsCellEditControlEnabled())
- DisableCellEditControl();
-
- bool done = m_table->DeleteCols( pos, numCols );
- return done;
- // the table will have sent the results of the delete col
- // operation to this view object as a grid table message
- }
-
- return false;
-}
-
-//
-// ----- event handlers
-//
-
-// Generate a grid event based on a mouse event and
-// return the result of ProcessEvent()
-//
-int wxGrid::SendEvent( const wxEventType type,
- int row, int col,
- wxMouseEvent& mouseEv )
-{
- bool claimed, vetoed;
-
- if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
- {
- int rowOrCol = (row == -1 ? col : row);
+ if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
+ {
+ int rowOrCol = (row == -1 ? col : row);
wxGridSizeEvent gridEvt( GetId(),
type,
attr->DecRef();
}
-void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCol )
+void wxGrid::HighlightBlock(int topRow, int leftCol, int bottomRow, int rightCol)
{
- int temp;
wxGridCellCoords updateTopLeft, updateBottomRight;
if ( m_selection )
}
}
- if ( topRow > bottomRow )
- {
- temp = topRow;
- topRow = bottomRow;
- bottomRow = temp;
- }
-
- if ( leftCol > rightCol )
- {
- temp = leftCol;
- leftCol = rightCol;
- rightCol = temp;
- }
+ EnsureFirstLessThanSecond(topRow, bottomRow);
+ EnsureFirstLessThanSecond(leftCol, rightCol);
updateTopLeft = wxGridCellCoords( topRow, leftCol );
updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
wxCoord oldBottom = m_selectingBottomRight.GetRow();
// Determine the outer/inner coordinates.
- if (oldLeft > leftCol)
- {
- temp = oldLeft;
- oldLeft = leftCol;
- leftCol = temp;
- }
- if (oldTop > topRow )
- {
- temp = oldTop;
- oldTop = topRow;
- topRow = temp;
- }
- if (oldRight < rightCol )
- {
- temp = oldRight;
- oldRight = rightCol;
- rightCol = temp;
- }
- if (oldBottom < bottomRow)
- {
- temp = oldBottom;
- oldBottom = bottomRow;
- bottomRow = temp;
- }
+ EnsureFirstLessThanSecond(oldLeft, leftCol);
+ EnsureFirstLessThanSecond(oldTop, topRow);
+ EnsureFirstLessThanSecond(rightCol, oldRight);
+ EnsureFirstLessThanSecond(bottomRow, oldBottom);
// Now, either the stuff marked old is the outer
// rectangle or we don't have a situation where one
dc.SetBrush(*wxTRANSPARENT_BRUSH);
dc.DrawRectangle(rect);
}
-
-#if 0
- // VZ: my experiments with 3D borders...
-
- // how to properly set colours for arbitrary bg?
- wxCoord x1 = rect.x,
- y1 = rect.y,
- x2 = rect.x + rect.width - 1,
- y2 = rect.y + rect.height - 1;
-
- dc.SetPen(*wxWHITE_PEN);
- dc.DrawLine(x1, y1, x2, y1);
- dc.DrawLine(x1, y1, x1, y2);
-
- dc.DrawLine(x1 + 1, y2 - 1, x2 - 1, y2 - 1);
- dc.DrawLine(x2 - 1, y1 + 1, x2 - 1, y2);
-
- dc.SetPen(*wxBLACK_PEN);
- dc.DrawLine(x1, y2, x2, y2);
- dc.DrawLine(x2, y1, x2, y2 + 1);
-#endif
}
wxPen wxGrid::GetDefaultGridLinePen()
void wxGrid::EnableEditing( bool edit )
{
- // TODO: improve this ?
- //
if ( edit != m_editable )
{
if (!edit)
}
}
-// Internal Helper function for computing row or column from some
-// (unscrolled) coordinate value, using either
-// m_defaultRowHeight/m_defaultColWidth or binary search on array
-// of m_rowBottoms/m_ColRights to speed up the search!
-
-static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
- const wxArrayInt& BorderArray, int nMax,
- bool clipToMinMax)
+// compute row or column from some (unscrolled) coordinate value, using either
+// m_defaultRowHeight/m_defaultColWidth or binary search on array of
+// m_rowBottoms/m_colRights to do it quickly (linear search shouldn't be used
+// for large grids)
+int
+wxGrid::PosToLine(int coord,
+ bool clipToMinMax,
+ const wxGridOperations& oper) const
{
- if (coord < 0)
- return clipToMinMax && (nMax > 0) ? 0 : -1;
+ const int numLines = oper.GetNumberOfLines(this);
- if (!defaultDist)
- defaultDist = 1;
+ if ( coord < 0 )
+ return clipToMinMax && numLines > 0 ? oper.GetLineAt(this, 0) : -1;
- size_t i_max = coord / defaultDist,
- i_min = 0;
+ const int defaultLineSize = oper.GetDefaultLineSize(this);
+ wxCHECK_MSG( defaultLineSize, -1, "can't have 0 default line size" );
- if (BorderArray.IsEmpty())
- {
- if ((int) i_max < nMax)
- return i_max;
- return clipToMinMax ? nMax - 1 : -1;
- }
+ int maxPos = coord / defaultLineSize,
+ minPos = 0;
- if ( i_max >= BorderArray.GetCount())
- {
- i_max = BorderArray.GetCount() - 1;
- }
- else
+ // check for the simplest case: if we have no explicit line sizes
+ // configured, then we already know the line this position falls in
+ const wxArrayInt& lineEnds = oper.GetLineEnds(this);
+ if ( lineEnds.empty() )
{
- if ( coord >= BorderArray[i_max])
- {
- i_min = i_max;
- if (minDist)
- i_max = coord / minDist;
- else
- i_max = BorderArray.GetCount() - 1;
- }
-
- if ( i_max >= BorderArray.GetCount())
- i_max = BorderArray.GetCount() - 1;
- }
+ if ( maxPos < numLines )
+ return maxPos;
- if ( coord >= BorderArray[i_max])
- return clipToMinMax ? (int)i_max : -1;
- if ( coord < BorderArray[0] )
- return 0;
-
- while ( i_max - i_min > 0 )
- {
- wxCHECK_MSG(BorderArray[i_min] <= coord && coord < BorderArray[i_max],
- 0, _T("wxGrid: internal error in CoordToRowOrCol"));
- if (coord >= BorderArray[ i_max - 1])
- return i_max;
- else
- i_max--;
- int median = i_min + (i_max - i_min + 1) / 2;
- if (coord < BorderArray[median])
- i_max = median;
- else
- i_min = median;
+ return clipToMinMax ? numLines - 1 : -1;
}
- return i_max;
-}
-
-int wxGrid::YToRow( int y ) const
-{
- return CoordToRowOrCol(y, m_defaultRowHeight,
- m_minAcceptableRowHeight, m_rowBottoms, m_numRows, false);
-}
-
-int wxGrid::XToCol( int x, bool clipToMinMax ) const
-{
- if (x < 0)
- return clipToMinMax && (m_numCols > 0) ? GetColAt( 0 ) : -1;
-
- wxASSERT_MSG(m_defaultColWidth > 0, wxT("Default column width can not be zero"));
- int maxPos = x / m_defaultColWidth;
- int minPos = 0;
-
- if (m_colRights.IsEmpty())
+ // adjust maxPos before starting the binary search
+ if ( maxPos >= numLines )
{
- if(maxPos < m_numCols)
- return GetColAt( maxPos );
- return clipToMinMax ? GetColAt( m_numCols - 1 ) : -1;
+ maxPos = numLines - 1;
}
-
- if ( maxPos >= m_numCols)
- maxPos = m_numCols - 1;
else
{
- if ( x >= m_colRights[GetColAt( maxPos )])
+ if ( coord >= lineEnds[oper.GetLineAt(this, maxPos)])
{
minPos = maxPos;
- if (m_minAcceptableColWidth)
- maxPos = x / m_minAcceptableColWidth;
+ const int minDist = oper.GetMinimalAcceptableLineSize(this);
+ if ( minDist )
+ maxPos = coord / minDist;
else
- maxPos = m_numCols - 1;
+ maxPos = numLines - 1;
}
- if ( maxPos >= m_numCols)
- maxPos = m_numCols - 1;
+
+ if ( maxPos >= numLines )
+ maxPos = numLines - 1;
}
- //X is beyond the last column
- if ( x >= m_colRights[GetColAt( maxPos )])
- return clipToMinMax ? GetColAt( maxPos ) : -1;
+ // check if the position is beyond the last column
+ const int lineAtMaxPos = oper.GetLineAt(this, maxPos);
+ if ( coord >= lineEnds[lineAtMaxPos] )
+ return clipToMinMax ? lineAtMaxPos : -1;
- //X is before the first column
- if ( x < m_colRights[GetColAt( 0 )] )
- return GetColAt( 0 );
+ // or before the first one
+ const int lineAt0 = oper.GetLineAt(this, 0);
+ if ( coord < lineEnds[lineAt0] )
+ return lineAt0;
- //Perform a binary search
- while ( maxPos - minPos > 0 )
+
+ // finally do perform the binary search
+ while ( minPos < maxPos )
{
- wxCHECK_MSG(m_colRights[GetColAt( minPos )] <= x && x < m_colRights[GetColAt( maxPos )],
- 0, _T("wxGrid: internal error in XToCol"));
+ wxCHECK_MSG( lineEnds[oper.GetLineAt(this, minPos)] <= coord &&
+ coord < lineEnds[oper.GetLineAt(this, maxPos)],
+ -1,
+ "wxGrid: internal error in PosToLine()" );
- if (x >= m_colRights[GetColAt( maxPos - 1 )])
- return GetColAt( maxPos );
+ if ( coord >= lineEnds[oper.GetLineAt(this, maxPos - 1)] )
+ return oper.GetLineAt(this, maxPos);
else
maxPos--;
- int median = minPos + (maxPos - minPos + 1) / 2;
- if (x < m_colRights[GetColAt( median )])
+
+ const int median = minPos + (maxPos - minPos + 1) / 2;
+ if ( coord < lineEnds[oper.GetLineAt(this, median)] )
maxPos = median;
else
minPos = median;
}
- return GetColAt( maxPos );
+
+ return oper.GetLineAt(this, maxPos);
+}
+
+int wxGrid::YToRow(int y, bool clipToMinMax) const
+{
+ return PosToLine(y, clipToMinMax, wxGridRowOperations());
}
-// return the row number that that the y coord is near
-// the edge of, or -1 if not near an edge.
+int wxGrid::XToCol(int x, bool clipToMinMax) const
+{
+ return PosToLine(x, clipToMinMax, wxGridColumnOperations());
+}
+
+// return the row number that that the y coord is near the edge of, or -1 if
+// not near an edge.
+//
// coords can only possibly be near an edge if
// (a) the row/column is large enough to still allow for an "inner" area
-// that is _not_ nead the edge (i.e., if the height/width is smaller
+// that is _not_ near the edge (i.e., if the height/width is smaller
// than WXGRID_LABEL_EDGE_ZONE, coords are _never_ considered to be
// near the edge).
// and
// (b) resizing rows/columns (the thing for which edge detection is
// relevant at all) is enabled.
//
-int wxGrid::YToEdgeOfRow( int y ) const
+int wxGrid::PosToEdgeOfLine(int pos, const wxGridOperations& oper) const
{
- int i;
- i = internalYToRow(y);
+ if ( !oper.CanResizeLines(this) )
+ return -1;
- if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE && CanDragRowSize() )
+ const int line = oper.PosToLine(this, pos, true);
+
+ if ( oper.GetLineSize(this, line) > WXGRID_LABEL_EDGE_ZONE )
{
- // We know that we are in row i, test whether we are
- // close enough to lower or upper border, respectively.
- if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
- return i;
- else if ( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
- return i - 1;
+ // 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 line - 1;
}
return -1;
}
-// return the col number that that the x coord is near the edge of, or
-// -1 if not near an edge
-// See comment at YToEdgeOfRow for conditions on edge detection.
-//
-int wxGrid::XToEdgeOfCol( int x ) const
+int wxGrid::YToEdgeOfRow(int y) const
{
- int i;
- i = internalXToCol(x);
-
- if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE && CanDragColSize() )
- {
- // We know that we are in column i; test whether we are
- // close enough to right or left border, respectively.
- if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
- return i;
- else if ( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
- return i - 1;
- }
+ return PosToEdgeOfLine(y, wxGridRowOperations());
+}
- return -1;
+int wxGrid::XToEdgeOfCol(int x) const
+{
+ return PosToEdgeOfLine(x, wxGridColumnOperations());
}
wxRect wxGrid::CellToRect( int row, int col ) const
// ------ Grid cursor movement functions
//
-bool wxGrid::MoveCursorUp( bool expandSelection )
+bool
+wxGrid::DoMoveCursor(bool expandSelection,
+ const wxGridDirectionOperations& diroper)
{
- if ( m_currentCellCoords != wxGridNoCellCoords &&
- m_currentCellCoords.GetRow() >= 0 )
+ if ( m_currentCellCoords == wxGridNoCellCoords )
+ return false;
+
+ if ( expandSelection )
{
- if ( expandSelection )
- {
- if ( m_selectingKeyboard == wxGridNoCellCoords )
- m_selectingKeyboard = m_currentCellCoords;
- if ( m_selectingKeyboard.GetRow() > 0 )
- {
- m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
- MakeCellVisible( m_selectingKeyboard.GetRow(),
- m_selectingKeyboard.GetCol() );
- HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
- }
- }
- else if ( m_currentCellCoords.GetRow() > 0 )
- {
- int row = m_currentCellCoords.GetRow() - 1;
- int col = m_currentCellCoords.GetCol();
- ClearSelection();
- MakeCellVisible( row, col );
- SetCurrentCell( row, col );
- }
- else
- return false;
+ if ( m_selectingKeyboard == wxGridNoCellCoords )
+ m_selectingKeyboard = m_currentCellCoords;
- return true;
- }
+ if ( diroper.IsAtBoundary(m_selectingKeyboard) )
+ return false;
- return false;
-}
+ diroper.Advance(m_selectingKeyboard);
-bool wxGrid::MoveCursorDown( bool expandSelection )
-{
- if ( m_currentCellCoords != wxGridNoCellCoords &&
- m_currentCellCoords.GetRow() < m_numRows )
+ MakeCellVisible(m_selectingKeyboard);
+ HighlightBlock(m_currentCellCoords, m_selectingKeyboard);
+ }
+ else
{
- if ( expandSelection )
- {
- if ( m_selectingKeyboard == wxGridNoCellCoords )
- m_selectingKeyboard = m_currentCellCoords;
- if ( m_selectingKeyboard.GetRow() < m_numRows - 1 )
- {
- m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
- MakeCellVisible( m_selectingKeyboard.GetRow(),
- m_selectingKeyboard.GetCol() );
- HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
- }
- }
- else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
- {
- int row = m_currentCellCoords.GetRow() + 1;
- int col = m_currentCellCoords.GetCol();
- ClearSelection();
- MakeCellVisible( row, col );
- SetCurrentCell( row, col );
- }
- else
+ if ( diroper.IsAtBoundary(m_currentCellCoords) )
return false;
- return true;
+ ClearSelection();
+
+ wxGridCellCoords coords = m_currentCellCoords;
+ diroper.Advance(coords);
+ MakeCellVisible(coords);
+ SetCurrentCell(coords);
}
- return false;
+ return true;
}
-bool wxGrid::MoveCursorLeft( bool expandSelection )
+bool wxGrid::MoveCursorUp(bool expandSelection)
{
- if ( m_currentCellCoords != wxGridNoCellCoords &&
- m_currentCellCoords.GetCol() >= 0 )
- {
- if ( expandSelection )
- {
- if ( m_selectingKeyboard == wxGridNoCellCoords )
- m_selectingKeyboard = m_currentCellCoords;
- if ( m_selectingKeyboard.GetCol() > 0 )
- {
- m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
- MakeCellVisible( m_selectingKeyboard.GetRow(),
- m_selectingKeyboard.GetCol() );
- HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
- }
- }
- else if ( GetColPos( m_currentCellCoords.GetCol() ) > 0 )
- {
- int row = m_currentCellCoords.GetRow();
- int col = GetColAt( GetColPos( m_currentCellCoords.GetCol() ) - 1 );
- ClearSelection();
-
- MakeCellVisible( row, col );
- SetCurrentCell( row, col );
- }
- else
- return false;
-
- return true;
- }
-
- return false;
+ return DoMoveCursor(expandSelection,
+ wxGridBackwardOperations(this, wxGridRowOperations()));
}
-bool wxGrid::MoveCursorRight( bool expandSelection )
+bool wxGrid::MoveCursorDown(bool expandSelection)
{
- if ( m_currentCellCoords != wxGridNoCellCoords &&
- m_currentCellCoords.GetCol() < m_numCols )
- {
- if ( expandSelection )
- {
- if ( m_selectingKeyboard == wxGridNoCellCoords )
- m_selectingKeyboard = m_currentCellCoords;
- if ( m_selectingKeyboard.GetCol() < m_numCols - 1 )
- {
- m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
- MakeCellVisible( m_selectingKeyboard.GetRow(),
- m_selectingKeyboard.GetCol() );
- HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
- }
- }
- else if ( GetColPos( m_currentCellCoords.GetCol() ) < m_numCols - 1 )
- {
- int row = m_currentCellCoords.GetRow();
- int col = GetColAt( GetColPos( m_currentCellCoords.GetCol() ) + 1 );
- ClearSelection();
-
- MakeCellVisible( row, col );
- SetCurrentCell( row, col );
- }
- else
- return false;
+ return DoMoveCursor(expandSelection,
+ wxGridForwardOperations(this, wxGridRowOperations()));
+}
- return true;
- }
+bool wxGrid::MoveCursorLeft(bool expandSelection)
+{
+ return DoMoveCursor(expandSelection,
+ wxGridBackwardOperations(this, wxGridColumnOperations()));
+}
- return false;
+bool wxGrid::MoveCursorRight(bool expandSelection)
+{
+ return DoMoveCursor(expandSelection,
+ wxGridForwardOperations(this, wxGridColumnOperations()));
}
-bool wxGrid::MovePageUp()
+bool wxGrid::DoMoveCursorByPage(const wxGridDirectionOperations& diroper)
{
if ( m_currentCellCoords == wxGridNoCellCoords )
return false;
- int row = m_currentCellCoords.GetRow();
- if ( row > 0 )
- {
- int cw, ch;
- m_gridWin->GetClientSize( &cw, &ch );
-
- int y = GetRowTop(row);
- int newRow = internalYToRow( y - ch + 1 );
+ if ( diroper.IsAtBoundary(m_currentCellCoords) )
+ return false;
- if ( newRow == row )
- {
- // row > 0, so newRow can never be less than 0 here.
- newRow = row - 1;
- }
+ const int oldRow = m_currentCellCoords.GetRow();
+ int newRow = diroper.MoveByPixelDistance(oldRow, m_gridWin->GetClientSize().y);
+ if ( newRow == oldRow )
+ {
+ wxGridCellCoords coords(m_currentCellCoords);
+ diroper.Advance(coords);
+ newRow = coords.GetRow();
+ }
- MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
- SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
+ MakeCellVisible(newRow, m_currentCellCoords.GetCol());
+ SetCurrentCell(newRow, m_currentCellCoords.GetCol());
- return true;
- }
+ return true;
+}
- return false;
+bool wxGrid::MovePageUp()
+{
+ return DoMoveCursorByPage(
+ wxGridBackwardOperations(this, wxGridRowOperations()));
}
bool wxGrid::MovePageDown()
{
- if ( m_currentCellCoords == wxGridNoCellCoords )
- return false;
+ return DoMoveCursorByPage(
+ wxGridForwardOperations(this, wxGridColumnOperations()));
+}
- int row = m_currentCellCoords.GetRow();
- if ( (row + 1) < m_numRows )
+// helper of DoMoveCursorByBlock(): advance the cell coordinates using diroper
+// until we find a non-empty cell or reach the grid end
+void
+wxGrid::AdvanceToNextNonEmpty(wxGridCellCoords& coords,
+ const wxGridDirectionOperations& diroper)
+{
+ while ( !diroper.IsAtBoundary(coords) )
{
- int cw, ch;
- m_gridWin->GetClientSize( &cw, &ch );
-
- int y = GetRowTop(row);
- int newRow = internalYToRow( y + ch );
- if ( newRow == row )
- {
- // row < m_numRows, so newRow can't overflow here.
- newRow = row + 1;
- }
-
- MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
- SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
-
- return true;
+ diroper.Advance(coords);
+ if ( !m_table->IsEmpty(coords) )
+ break;
}
-
- return false;
}
-bool wxGrid::MoveCursorUpBlock( bool expandSelection )
+bool
+wxGrid::DoMoveCursorByBlock(bool expandSelection,
+ const wxGridDirectionOperations& diroper)
{
- if ( m_table &&
- m_currentCellCoords != wxGridNoCellCoords &&
- m_currentCellCoords.GetRow() > 0 )
- {
- int row = m_currentCellCoords.GetRow();
- int col = m_currentCellCoords.GetCol();
-
- if ( m_table->IsEmptyCell(row, col) )
- {
- // starting in an empty cell: find the next block of
- // non-empty cells
- //
- while ( row > 0 )
- {
- row--;
- if ( !(m_table->IsEmptyCell(row, col)) )
- break;
- }
- }
- else if ( m_table->IsEmptyCell(row - 1, col) )
- {
- // starting at the top of a block: find the next block
- //
- row--;
- while ( row > 0 )
- {
- row--;
- if ( !(m_table->IsEmptyCell(row, col)) )
- break;
- }
- }
- else
- {
- // starting within a block: find the top of the block
- //
- while ( row > 0 )
- {
- row--;
- if ( m_table->IsEmptyCell(row, col) )
- {
- row++;
- break;
- }
- }
- }
+ if ( !m_table || m_currentCellCoords == wxGridNoCellCoords )
+ return false;
- MakeCellVisible( row, col );
- if ( expandSelection )
- {
- m_selectingKeyboard = wxGridCellCoords( row, col );
- HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
- }
- else
- {
- ClearSelection();
- SetCurrentCell( row, col );
- }
+ if ( diroper.IsAtBoundary(m_currentCellCoords) )
+ return false;
- return true;
+ wxGridCellCoords coords(m_currentCellCoords);
+ if ( m_table->IsEmpty(coords) )
+ {
+ // we are in an empty cell: find the next block of non-empty cells
+ AdvanceToNextNonEmpty(coords, diroper);
}
-
- return false;
-}
-
-bool wxGrid::MoveCursorDownBlock( bool expandSelection )
-{
- if ( m_table &&
- m_currentCellCoords != wxGridNoCellCoords &&
- m_currentCellCoords.GetRow() < m_numRows - 1 )
+ else // current cell is not empty
{
- int row = m_currentCellCoords.GetRow();
- int col = m_currentCellCoords.GetCol();
-
- if ( m_table->IsEmptyCell(row, col) )
+ diroper.Advance(coords);
+ if ( m_table->IsEmpty(coords) )
{
- // starting in an empty cell: find the next block of
- // non-empty cells
- //
- while ( row < m_numRows - 1 )
- {
- row++;
- if ( !(m_table->IsEmptyCell(row, col)) )
- break;
- }
- }
- else if ( m_table->IsEmptyCell(row + 1, col) )
- {
- // starting at the bottom of a block: find the next block
- //
- row++;
- while ( row < m_numRows - 1 )
- {
- row++;
- if ( !(m_table->IsEmptyCell(row, col)) )
- break;
- }
+ // we started at the end of a block, find the next one
+ AdvanceToNextNonEmpty(coords, diroper);
}
- else
+ else // we're in a middle of a block
{
- // starting within a block: find the bottom of the block
- //
- while ( row < m_numRows - 1 )
+ // go to the end of it, i.e. find the last cell before the next
+ // empty one
+ while ( !diroper.IsAtBoundary(coords) )
{
- row++;
- if ( m_table->IsEmptyCell(row, col) )
- {
- row--;
+ wxGridCellCoords coordsNext(coords);
+ diroper.Advance(coordsNext);
+ if ( m_table->IsEmpty(coordsNext) )
break;
- }
- }
- }
- MakeCellVisible( row, col );
- if ( expandSelection )
- {
- m_selectingKeyboard = wxGridCellCoords( row, col );
- HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
- }
- else
- {
- ClearSelection();
- SetCurrentCell( row, col );
+ coords = coordsNext;
+ }
}
+ }
- return true;
+ MakeCellVisible(coords);
+ if ( expandSelection )
+ {
+ m_selectingKeyboard = coords;
+ HighlightBlock(m_currentCellCoords, m_selectingKeyboard);
+ }
+ else
+ {
+ ClearSelection();
+ SetCurrentCell(coords);
}
- return false;
+ return true;
}
-bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
+bool wxGrid::MoveCursorUpBlock(bool expandSelection)
{
- if ( m_table &&
- m_currentCellCoords != wxGridNoCellCoords &&
- m_currentCellCoords.GetCol() > 0 )
- {
- int row = m_currentCellCoords.GetRow();
- int col = m_currentCellCoords.GetCol();
-
- if ( m_table->IsEmptyCell(row, col) )
- {
- // starting in an empty cell: find the next block of
- // non-empty cells
- //
- while ( col > 0 )
- {
- col--;
- if ( !(m_table->IsEmptyCell(row, col)) )
- break;
- }
- }
- else if ( m_table->IsEmptyCell(row, col - 1) )
- {
- // starting at the left of a block: find the next block
- //
- col--;
- while ( col > 0 )
- {
- col--;
- if ( !(m_table->IsEmptyCell(row, col)) )
- break;
- }
- }
- else
- {
- // starting within a block: find the left of the block
- //
- while ( col > 0 )
- {
- col--;
- if ( m_table->IsEmptyCell(row, col) )
- {
- col++;
- break;
- }
- }
- }
-
- MakeCellVisible( row, col );
- if ( expandSelection )
- {
- m_selectingKeyboard = wxGridCellCoords( row, col );
- HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
- }
- else
- {
- ClearSelection();
- SetCurrentCell( row, col );
- }
+ return DoMoveCursorByBlock(
+ expandSelection,
+ wxGridBackwardOperations(this, wxGridRowOperations())
+ );
+}
- return true;
- }
+bool wxGrid::MoveCursorDownBlock( bool expandSelection )
+{
+ return DoMoveCursorByBlock(
+ expandSelection,
+ wxGridForwardOperations(this, wxGridRowOperations())
+ );
+}
- return false;
+bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
+{
+ return DoMoveCursorByBlock(
+ expandSelection,
+ wxGridBackwardOperations(this, wxGridColumnOperations())
+ );
}
bool wxGrid::MoveCursorRightBlock( bool expandSelection )
{
- if ( m_table &&
- m_currentCellCoords != wxGridNoCellCoords &&
- m_currentCellCoords.GetCol() < m_numCols - 1 )
- {
- int row = m_currentCellCoords.GetRow();
- int col = m_currentCellCoords.GetCol();
-
- if ( m_table->IsEmptyCell(row, col) )
- {
- // starting in an empty cell: find the next block of
- // non-empty cells
- //
- while ( col < m_numCols - 1 )
- {
- col++;
- if ( !(m_table->IsEmptyCell(row, col)) )
- break;
- }
- }
- else if ( m_table->IsEmptyCell(row, col + 1) )
- {
- // starting at the right of a block: find the next block
- //
- col++;
- while ( col < m_numCols - 1 )
- {
- col++;
- if ( !(m_table->IsEmptyCell(row, col)) )
- break;
- }
- }
- else
- {
- // starting within a block: find the right of the block
- //
- while ( col < m_numCols - 1 )
- {
- col++;
- if ( m_table->IsEmptyCell(row, col) )
- {
- col--;
- break;
- }
- }
- }
-
- MakeCellVisible( row, col );
- if ( expandSelection )
- {
- m_selectingKeyboard = wxGridCellCoords( row, col );
- HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
- }
- else
- {
- ClearSelection();
- SetCurrentCell( row, col );
- }
-
- return true;
- }
-
- return false;
+ return DoMoveCursorByBlock(
+ expandSelection,
+ wxGridForwardOperations(this, wxGridColumnOperations())
+ );
}
//
if ( !LookupAttr(row, col, &attr) )
{
attr = m_table ? m_table->GetAttr(row, col, wxGridCellAttr::Any)
- : (wxGridCellAttr *)NULL;
+ : NULL;
CacheAttr(row, col, attr);
}
}
wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
{
- wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
+ wxGridCellAttr *attr = NULL;
bool canHave = ((wxGrid*)this)->CanHaveAttributes();
wxCHECK_MSG( canHave, attr, _T("Cell attributes not allowed"));
// cell, row and col deselection
// ----------------------------------------------------------------------------
-void wxGrid::DeselectRow( int row )
+void wxGrid::DeselectLine(int line, const wxGridOperations& oper)
{
if ( !m_selection )
return;
- if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
+ const wxGridSelectionModes mode = m_selection->GetSelectionMode();
+ if ( mode == oper.GetSelectionMode() )
{
- if ( m_selection->IsInSelection(row, 0 ) )
- m_selection->ToggleCellSelection(row, 0);
+ const wxGridCellCoords c(oper.MakeCoords(line, 0));
+ if ( m_selection->IsInSelection(c) )
+ m_selection->ToggleCellSelection(c);
}
- else
+ else if ( mode != oper.Dual().GetSelectionMode() )
{
- int nCols = GetNumberCols();
- for ( int i = 0; i < nCols; i++ )
+ const int nOther = oper.Dual().GetNumberOfLines(this);
+ for ( int i = 0; i < nOther; i++ )
{
- if ( m_selection->IsInSelection(row, i ) )
- m_selection->ToggleCellSelection(row, i);
+ const wxGridCellCoords c(oper.MakeCoords(line, i));
+ if ( m_selection->IsInSelection(c) )
+ m_selection->ToggleCellSelection(c);
}
}
+ //else: can only select orthogonal lines so no lines in this direction
+ // could have been selected anyhow
}
-void wxGrid::DeselectCol( int col )
+void wxGrid::DeselectRow(int row)
{
- if ( !m_selection )
- return;
+ DeselectLine(row, wxGridRowOperations());
+}
- if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
- {
- if ( m_selection->IsInSelection(0, col ) )
- m_selection->ToggleCellSelection(0, col);
- }
- else
- {
- int nRows = GetNumberRows();
- for ( int i = 0; i < nRows; i++ )
- {
- if ( m_selection->IsInSelection(i, col ) )
- m_selection->ToggleCellSelection(i, col);
- }
- }
+void wxGrid::DeselectCol(int col)
+{
+ DeselectLine(col, wxGridColumnOperations());
}
void wxGrid::DeselectCell( int row, int col )
projects / wxWidgets.git / blobdiff