X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4403ced6fc3f98873884ed0731e765a0b9af0a0f..8b3fddc49326c0b6019cd7082218726aa17a5727:/src/generic/grid.cpp diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp index 96af491707..b6afb0c214 100644 --- a/src/generic/grid.cpp +++ b/src/generic/grid.cpp @@ -2,7 +2,7 @@ // Name: generic/grid.cpp // Purpose: wxGrid and related classes // Author: Michael Bedward (based on code by Julian Smart, Robin Dunn) -// Modified by: +// Modified by: Robin Dunn, Vadim Zeitlin // Created: 1/08/1999 // RCS-ID: $Id$ // Copyright: (c) Michael Bedward (mbedward@ozemail.com.au) @@ -185,7 +185,7 @@ private: DECLARE_EVENT_TABLE() }; -class WXDLLEXPORT wxGridWindow : public wxPanel +class WXDLLEXPORT wxGridWindow : public wxWindow { public: wxGridWindow() @@ -388,13 +388,31 @@ wxRect wxGridNoCellRect( -1, -1, -1, -1 ); // The scroll bars may be a little flakey once in a while, but that is // surely much less horrible than having scroll lines of only 1!!! // -- Robin -static const size_t GRID_SCROLL_LINE = 15; // 1; - +// +// Well, it's still seriously broken so it might be better but needs +// fixing anyhow +// -- Vadim +static const size_t GRID_SCROLL_LINE_X = 15; // 1; +static const size_t GRID_SCROLL_LINE_Y = GRID_SCROLL_LINE_X; // the size of hash tables used a bit everywhere (the max number of elements // in these hash tables is the number of rows/columns) static const int GRID_HASH_SIZE = 100; +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- + +static inline int GetScrollX(int x) +{ + return (x + GRID_SCROLL_LINE_X - 1) / GRID_SCROLL_LINE_X; +} + +static inline int GetScrollY(int y) +{ + return (y + GRID_SCROLL_LINE_Y - 1) / GRID_SCROLL_LINE_Y; +} + // ============================================================================ // implementation // ============================================================================ @@ -1880,9 +1898,24 @@ void wxGridCellBoolRenderer::Draw(wxGrid& grid, // wxGridCellAttr // ---------------------------------------------------------------------------- +void wxGridCellAttr::Init(wxGridCellAttr *attrDefault) +{ + m_nRef = 1; + + m_isReadOnly = Unset; + + m_renderer = NULL; + m_editor = NULL; + + m_attrkind = wxGridCellAttr::Cell; + + SetDefAttr(attrDefault); +} + wxGridCellAttr *wxGridCellAttr::Clone() const { - wxGridCellAttr *attr = new wxGridCellAttr; + wxGridCellAttr *attr = new wxGridCellAttr(m_defGridAttr); + if ( HasTextColour() ) attr->SetTextColour(GetTextColour()); if ( HasBackgroundColour() ) @@ -1908,8 +1941,6 @@ wxGridCellAttr *wxGridCellAttr::Clone() const attr->SetKind( m_attrkind ); - attr->SetDefAttr(m_defGridAttr); - return attr; } @@ -1953,7 +1984,7 @@ const wxColour& wxGridCellAttr::GetTextColour() const { return m_colText; } - else if (m_defGridAttr != this) + else if (m_defGridAttr && m_defGridAttr != this) { return m_defGridAttr->GetTextColour(); } @@ -1969,7 +2000,7 @@ const wxColour& wxGridCellAttr::GetBackgroundColour() const { if (HasBackgroundColour()) return m_colBack; - else if (m_defGridAttr != this) + else if (m_defGridAttr && m_defGridAttr != this) return m_defGridAttr->GetBackgroundColour(); else { @@ -1983,7 +2014,7 @@ const wxFont& wxGridCellAttr::GetFont() const { if (HasFont()) return m_font; - else if (m_defGridAttr != this) + else if (m_defGridAttr && m_defGridAttr != this) return m_defGridAttr->GetFont(); else { @@ -2000,7 +2031,7 @@ void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const if ( hAlign ) *hAlign = m_hAlign; if ( vAlign ) *vAlign = m_vAlign; } - else if (m_defGridAttr != this) + else if (m_defGridAttr && m_defGridAttr != this) m_defGridAttr->GetAlignment(hAlign, vAlign); else { @@ -2018,59 +2049,96 @@ void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const wxGridCellRenderer* wxGridCellAttr::GetRenderer(wxGrid* grid, int row, int col) const { - wxGridCellRenderer* renderer = NULL; + wxGridCellRenderer *renderer; - if ( m_defGridAttr != this || grid == NULL ) + if ( m_renderer && this != m_defGridAttr ) { - renderer = m_renderer; // use local attribute - if ( renderer ) - renderer->IncRef(); + // use the cells renderer if it has one + renderer = m_renderer; + renderer->IncRef(); } - - if ( !renderer && grid ) // get renderer for the data type + else // no non default cell renderer { - // GetDefaultRendererForCell() will do IncRef() for us - renderer = grid->GetDefaultRendererForCell(row, col); - } + // get default renderer for the data type + if ( grid ) + { + // GetDefaultRendererForCell() will do IncRef() for us + renderer = grid->GetDefaultRendererForCell(row, col); + } + else + { + renderer = NULL; + } - if ( !renderer ) - { - // if we still don't have one then use the grid default - // (no need for IncRef() here neither) - renderer = m_defGridAttr->GetRenderer(NULL,0,0); + if ( !renderer ) + { + if (m_defGridAttr && this != m_defGridAttr ) + { + // if we still don't have one then use the grid default + // (no need for IncRef() here neither) + renderer = m_defGridAttr->GetRenderer(NULL, 0, 0); + } + else // default grid attr + { + // use m_renderer which we had decided not to use initially + renderer = m_renderer; + if ( renderer ) + renderer->IncRef(); + } + } } - if ( !renderer) - { - wxFAIL_MSG(wxT("Missing default cell attribute")); - } + // we're supposed to always find something + wxASSERT_MSG(renderer, wxT("Missing default cell renderer")); return renderer; } +// same as above, except for s/renderer/editor/g wxGridCellEditor* wxGridCellAttr::GetEditor(wxGrid* grid, int row, int col) const { - wxGridCellEditor* editor = NULL; + wxGridCellEditor *editor; - if ( m_defGridAttr != this || grid == NULL ) + if ( m_editor && this != m_defGridAttr ) { - editor = m_editor; // use local attribute - if ( editor ) - editor->IncRef(); + // use the cells editor if it has one + editor = m_editor; + editor->IncRef(); } - - if ( !editor && grid ) // get renderer for the data type - editor = grid->GetDefaultEditorForCell(row, col); - - if ( !editor ) - // if we still don't have one then use the grid default - editor = m_defGridAttr->GetEditor(NULL,0,0); - - if ( !editor ) + else // no non default cell editor { - wxFAIL_MSG(wxT("Missing default cell attribute")); + // get default editor for the data type + if ( grid ) + { + // GetDefaultEditorForCell() will do IncRef() for us + editor = grid->GetDefaultEditorForCell(row, col); + } + else + { + editor = NULL; + } + + if ( !editor ) + { + if ( m_defGridAttr && this != m_defGridAttr ) + { + // if we still don't have one then use the grid default + // (no need for IncRef() here neither) + editor = m_defGridAttr->GetEditor(NULL, 0, 0); + } + else // default grid attr + { + // use m_editor which we had decided not to use initially + editor = m_editor; + if ( editor ) + editor->IncRef(); + } + } } + // we're supposed to always find something + wxASSERT_MSG(editor, wxT("Missing default cell editor")); + return editor; } @@ -2088,6 +2156,9 @@ void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col) } else { + // free the old attribute + m_attrs[(size_t)n].attr->DecRef(); + if ( attr ) { // change the attribute @@ -3415,9 +3486,9 @@ void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event ) ////////////////////////////////////////////////////////////////////// -IMPLEMENT_DYNAMIC_CLASS( wxGridWindow, wxPanel ) +IMPLEMENT_DYNAMIC_CLASS( wxGridWindow, wxWindow ) -BEGIN_EVENT_TABLE( wxGridWindow, wxPanel ) +BEGIN_EVENT_TABLE( wxGridWindow, wxWindow ) EVT_PAINT( wxGridWindow::OnPaint ) EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel) EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent ) @@ -3430,7 +3501,7 @@ wxGridWindow::wxGridWindow( wxGrid *parent, wxGridRowLabelWindow *rowLblWin, wxGridColLabelWindow *colLblWin, wxWindowID id, const wxPoint &pos, const wxSize &size ) - : wxPanel( parent, id, pos, size, wxWANTS_CHARS, "grid window" ) + : wxWindow( parent, id, pos, size, wxWANTS_CHARS, "grid window" ) { m_owner = parent; m_rowLabelWin = rowLblWin; @@ -3461,7 +3532,7 @@ void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect ) { - wxPanel::ScrollWindow( dx, dy, rect ); + wxWindow::ScrollWindow( dx, dy, rect ); m_rowLabelWin->ScrollWindow( 0, dy, rect ); m_colLabelWin->ScrollWindow( dx, 0, rect ); } @@ -3558,17 +3629,17 @@ void wxGrid::Create() m_cellEditCtrlEnabled = FALSE; - m_defaultCellAttr = new wxGridCellAttr; - m_defaultCellAttr->SetDefAttr(m_defaultCellAttr); + m_defaultCellAttr = new wxGridCellAttr(); // Set default cell attributes + m_defaultCellAttr->SetDefAttr(m_defaultCellAttr); m_defaultCellAttr->SetKind(wxGridCellAttr::Default); m_defaultCellAttr->SetFont(GetFont()); m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP); m_defaultCellAttr->SetTextColour( - wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT)); + wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT)); m_defaultCellAttr->SetBackgroundColour( - wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); + wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer); m_defaultCellAttr->SetEditor(new wxGridCellTextEditor); @@ -3607,6 +3678,8 @@ void wxGrid::Create() wxDefaultSize ); SetTargetWindow( m_gridWin ); + + Init(); } @@ -3624,7 +3697,9 @@ bool wxGrid::CreateGrid( int numRows, int numCols, m_table->SetView( this ); m_ownTable = TRUE; m_selection = new wxGridSelection( this, selmode ); - Init(); + + CalcDimensions(); + m_created = TRUE; return m_created; @@ -3632,12 +3707,10 @@ bool wxGrid::CreateGrid( int numRows, int numCols, void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode) { - if ( !m_created ) - { - wxFAIL_MSG( wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") ); - } - else - m_selection->SetSelectionMode( selmode ); + wxCHECK_RET( m_created, + wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") ); + + m_selection->SetSelectionMode( selmode ); } bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership, @@ -3664,7 +3737,9 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership, if (takeOwnership) m_ownTable = TRUE; m_selection = new wxGridSelection( this, selmode ); - Init(); + + CalcDimensions(); + m_created = TRUE; } @@ -3736,8 +3811,8 @@ void wxGrid::Init() m_selectingTopLeft = wxGridNoCellCoords; m_selectingBottomRight = wxGridNoCellCoords; - m_selectionBackground = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT); - m_selectionForeground = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHTTEXT); + m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT); + m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT); m_editable = TRUE; // default for whole grid @@ -3745,9 +3820,7 @@ void wxGrid::Init() m_batchCount = 0; m_extraWidth = - m_extraHeight = 50; - - CalcDimensions(); + m_extraHeight = 0; } // ---------------------------------------------------------------------------- @@ -3832,9 +3905,9 @@ void wxGrid::CalcDimensions() int cw, ch; GetClientSize( &cw, &ch ); - if ( m_colLabelWin->IsShown() ) - cw -= m_rowLabelWidth; if ( m_rowLabelWin->IsShown() ) + cw -= m_rowLabelWidth; + if ( m_colLabelWin->IsShown() ) ch -= m_colLabelHeight; // grid total size @@ -3844,32 +3917,34 @@ void wxGrid::CalcDimensions() // preserve (more or less) the previous position int x, y; GetViewStart( &x, &y ); - // maybe we don't need scrollbars at all? and if we do, transform w and h - // from pixels into logical units + + // maybe we don't need scrollbars at all? + // + // also adjust the position to be valid for the new scroll rangs if ( w <= cw ) { - w = 0; x= 0; + w = x = 0; } else { - w = (w + GRID_SCROLL_LINE - 1)/GRID_SCROLL_LINE; if ( x >= w ) x = w - 1; } + if ( h <= ch ) { - h = 0; y = 0; + h = y = 0; } else { - h = (h + GRID_SCROLL_LINE - 1)/GRID_SCROLL_LINE; if ( y >= h ) y = h - 1; } // do set scrollbar parameters - SetScrollbars( GRID_SCROLL_LINE, GRID_SCROLL_LINE, - w, h, x, y, (GetBatchCount() != 0)); + SetScrollbars( GRID_SCROLL_LINE_X, GRID_SCROLL_LINE_Y, + GetScrollX(w), GetScrollY(h), x, y, + GetBatchCount() != 0); } @@ -4202,8 +4277,8 @@ wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg ) wxRegionIterator iter( reg ); wxRect r; - wxArrayInt rowlabels; - + wxArrayInt rowlabels; + int top, bottom; while ( iter ) { @@ -5449,66 +5524,80 @@ bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) ) // Generate a grid event based on a mouse event and // return the result of ProcessEvent() // -bool wxGrid::SendEvent( const wxEventType type, +int wxGrid::SendEvent( const wxEventType type, int row, int col, wxMouseEvent& mouseEv ) { - if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE ) - { - int rowOrCol = (row == -1 ? col : row); - - wxGridSizeEvent gridEvt( GetId(), - type, - this, - rowOrCol, - mouseEv.GetX() + GetRowLabelSize(), - mouseEv.GetY() + GetColLabelSize(), - mouseEv.ControlDown(), - mouseEv.ShiftDown(), - mouseEv.AltDown(), - mouseEv.MetaDown() ); - return GetEventHandler()->ProcessEvent(gridEvt); - } - else if ( type == wxEVT_GRID_RANGE_SELECT ) - { - // Right now, it should _never_ end up here! - wxGridRangeSelectEvent gridEvt( GetId(), - type, - this, - m_selectingTopLeft, - m_selectingBottomRight, - TRUE, - mouseEv.ControlDown(), - mouseEv.ShiftDown(), - mouseEv.AltDown(), - mouseEv.MetaDown() ); - - return GetEventHandler()->ProcessEvent(gridEvt); - } - else - { - wxGridEvent gridEvt( GetId(), - type, - this, - row, col, - mouseEv.GetX() + GetRowLabelSize(), - mouseEv.GetY() + GetColLabelSize(), - FALSE, - mouseEv.ControlDown(), - mouseEv.ShiftDown(), - mouseEv.AltDown(), - mouseEv.MetaDown() ); - return GetEventHandler()->ProcessEvent(gridEvt); - } + bool claimed; + bool vetoed= FALSE; + + if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE ) + { + int rowOrCol = (row == -1 ? col : row); + + wxGridSizeEvent gridEvt( GetId(), + type, + this, + rowOrCol, + mouseEv.GetX() + GetRowLabelSize(), + mouseEv.GetY() + GetColLabelSize(), + mouseEv.ControlDown(), + mouseEv.ShiftDown(), + mouseEv.AltDown(), + mouseEv.MetaDown() ); + + claimed = GetEventHandler()->ProcessEvent(gridEvt); + vetoed = !gridEvt.IsAllowed(); + } + else if ( type == wxEVT_GRID_RANGE_SELECT ) + { + // Right now, it should _never_ end up here! + wxGridRangeSelectEvent gridEvt( GetId(), + type, + this, + m_selectingTopLeft, + m_selectingBottomRight, + TRUE, + mouseEv.ControlDown(), + mouseEv.ShiftDown(), + mouseEv.AltDown(), + mouseEv.MetaDown() ); + + claimed = GetEventHandler()->ProcessEvent(gridEvt); + vetoed = !gridEvt.IsAllowed(); + } + else + { + wxGridEvent gridEvt( GetId(), + type, + this, + row, col, + mouseEv.GetX() + GetRowLabelSize(), + mouseEv.GetY() + GetColLabelSize(), + FALSE, + mouseEv.ControlDown(), + mouseEv.ShiftDown(), + mouseEv.AltDown(), + mouseEv.MetaDown() ); + claimed = GetEventHandler()->ProcessEvent(gridEvt); + vetoed = !gridEvt.IsAllowed(); + } + + // A Veto'd event may not be `claimed' so test this first + if (vetoed) return -1; + return claimed ? 1 : 0; } // Generate a grid event of specified type and return the result // of ProcessEvent(). // -bool wxGrid::SendEvent( const wxEventType type, +int wxGrid::SendEvent( const wxEventType type, int row, int col ) { + bool claimed; + bool vetoed= FALSE; + if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE ) { int rowOrCol = (row == -1 ? col : row); @@ -5518,7 +5607,8 @@ bool wxGrid::SendEvent( const wxEventType type, this, rowOrCol ); - return GetEventHandler()->ProcessEvent(gridEvt); + claimed = GetEventHandler()->ProcessEvent(gridEvt); + vetoed = !gridEvt.IsAllowed(); } else { @@ -5527,8 +5617,13 @@ bool wxGrid::SendEvent( const wxEventType type, this, row, col ); - return GetEventHandler()->ProcessEvent(gridEvt); - } + claimed = GetEventHandler()->ProcessEvent(gridEvt); + vetoed = !gridEvt.IsAllowed(); + } + + // A Veto'd event may not be `claimed' so test this first + if (vetoed) return -1; + return claimed ? 1 : 0; } @@ -5538,14 +5633,14 @@ void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) ) } -// This is just here to make sure that CalcDimensions gets called when -// the grid view is resized... then the size event is skipped to allow -// the box sizers to handle everything -// -void wxGrid::OnSize( wxSizeEvent& WXUNUSED(event) ) +void wxGrid::OnSize( wxSizeEvent& event ) { + // position the child windows CalcWindowSizes(); - CalcDimensions(); + + // don't call CalcDimensions() from here, the base class handles the size + // changes itself + event.Skip(); } @@ -5737,7 +5832,14 @@ void wxGrid::OnKeyDown( wxKeyEvent& event ) || editor->IsAcceptedKey(event) ) { EnableCellEditControl(); - editor->StartingKey(event); + + // the editor could be not shown for a variety of + // reasons (i.e. blocked by the app or whatever), so + // check if it really was created + if ( m_cellEditCtrlEnabled ) + { + editor->StartingKey(event); + } } else { @@ -5818,7 +5920,7 @@ void wxGrid::SetCurrentCell( const wxGridCellCoords& coords ) // Otherwise refresh redraws the highlight! m_currentCellCoords = coords; - + DrawGridCellArea(dc,cells); DrawAllGridLines( dc, r ); } @@ -6578,11 +6680,11 @@ void wxGrid::EnableCellEditControl( bool enable ) if ( enable != m_cellEditCtrlEnabled ) { - // TODO allow the app to Veto() this event? - SendEvent(enable ? wxEVT_GRID_EDITOR_SHOWN : wxEVT_GRID_EDITOR_HIDDEN); - if ( enable ) { + if (SendEvent( wxEVT_GRID_EDITOR_SHOWN) <0) + return; + // this should be checked by the caller! wxASSERT_MSG( CanEnableCellControl(), _T("can't enable editing for this cell!") ); @@ -6594,6 +6696,9 @@ void wxGrid::EnableCellEditControl( bool enable ) } else { + //FIXME:add veto support + SendEvent( wxEVT_GRID_EDITOR_HIDDEN); + HideCellEditControl(); SaveEditControlValue(); @@ -6740,6 +6845,8 @@ void wxGrid::SaveEditControlValue() int row = m_currentCellCoords.GetRow(); int col = m_currentCellCoords.GetCol(); + wxString oldval = GetCellValue(row,col); + wxGridCellAttr* attr = GetCellAttr(row, col); wxGridCellEditor* editor = attr->GetEditor(this, row, col); bool changed = editor->EndEdit(row, col, this); @@ -6749,9 +6856,13 @@ void wxGrid::SaveEditControlValue() if (changed) { - SendEvent( wxEVT_GRID_CELL_CHANGE, + if ( SendEvent( wxEVT_GRID_CELL_CHANGE, m_currentCellCoords.GetRow(), - m_currentCellCoords.GetCol() ); + m_currentCellCoords.GetCol() ) < 0 ) { + + // Event has been vetoed, set the data back. + SetCellValue(row,col,oldval); + } } } } @@ -6911,6 +7022,7 @@ bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible ) // void wxGrid::MakeCellVisible( int row, int col ) { + int i; int xpos = -1, ypos = -1; @@ -6951,7 +7063,10 @@ void wxGrid::MakeCellVisible( int row, int col ) // we divide it later by GRID_SCROLL_LINE, make sure that we don't // have rounding errors (this is important, because if we do, we // might not scroll at all and some cells won't be redrawn) - ypos += GRID_SCROLL_LINE / 2; + // + // Sometimes GRID_SCROLL_LINE/2 is not enough, so just add a full + // scroll unit... + ypos += GRID_SCROLL_LINE_Y; } if ( left < 0 ) @@ -6973,13 +7088,15 @@ void wxGrid::MakeCellVisible( int row, int col ) } // see comment for ypos above - xpos += GRID_SCROLL_LINE / 2; + xpos += GRID_SCROLL_LINE_X; } if ( xpos != -1 || ypos != -1 ) { - if ( xpos != -1 ) xpos /= GRID_SCROLL_LINE; - if ( ypos != -1 ) ypos /= GRID_SCROLL_LINE; + if ( xpos != -1 ) + xpos /= GRID_SCROLL_LINE_X; + if ( ypos != -1 ) + ypos /= GRID_SCROLL_LINE_Y; Scroll( xpos, ypos ); AdjustScrollbars(); } @@ -8004,19 +8121,20 @@ wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const { wxGridCellAttr *attr = (wxGridCellAttr *)NULL; - wxASSERT_MSG( m_table, - _T("we may only be called if CanHaveAttributes() returned TRUE and then m_table should be !NULL") ); - attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell ); - if ( !attr ) - { - attr = new wxGridCellAttr; + wxCHECK_MSG( m_table, attr, + _T("we may only be called if CanHaveAttributes() returned TRUE and then m_table should be !NULL") ); + + attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell); + if ( !attr ) + { + attr = new wxGridCellAttr(m_defaultCellAttr); + + // artificially inc the ref count to match DecRef() in caller + attr->IncRef(); + m_table->SetAttr(attr, row, col); + } - // artificially inc the ref count to match DecRef() in caller - attr->IncRef(); - m_table->SetAttr(attr, row, col); - } - attr->SetDefAttr(m_defaultCellAttr); return attr; } @@ -8449,6 +8567,7 @@ int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin) if ( !calcOnly ) BeginBatch(); + for ( int col = 0; col < m_numCols; col++ ) { if ( !calcOnly ) @@ -8458,8 +8577,10 @@ int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin) width += GetColWidth(col); } + if ( !calcOnly ) EndBatch(); + return width; } @@ -8469,6 +8590,7 @@ int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin) if ( !calcOnly ) BeginBatch(); + for ( int row = 0; row < m_numRows; row++ ) { if ( !calcOnly ) @@ -8478,15 +8600,78 @@ int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin) height += GetRowHeight(row); } + if ( !calcOnly ) EndBatch(); + return height; } void wxGrid::AutoSize() { - // set the size too - SetClientSize(SetOrCalcColumnSizes(FALSE), SetOrCalcRowSizes(FALSE)); + BeginBatch(); + + wxSize size(SetOrCalcColumnSizes(FALSE), SetOrCalcRowSizes(FALSE)); + + // round up the size to a multiple of scroll step - this ensures that we + // won't get the scrollbars if we're sized exactly to this width + wxSize sizeFit(GetScrollX(size.x) * GRID_SCROLL_LINE_X, + GetScrollY(size.y) * GRID_SCROLL_LINE_Y); + + // distribute the extra space between teh columns/rows to avoid having + // extra white space + wxCoord diff = sizeFit.x - size.x; + if ( diff ) + { + // try to resize the columns uniformly + wxCoord diffPerCol = diff / m_numCols; + if ( diffPerCol ) + { + for ( int col = 0; col < m_numCols; col++ ) + { + SetColSize(col, GetColWidth(col) + diffPerCol); + } + } + + // add remaining amount to the last columns + diff -= diffPerCol * m_numCols; + if ( diff ) + { + for ( int col = m_numCols - 1; col >= m_numCols - diff; col-- ) + { + SetColSize(col, GetColWidth(col) + 1); + } + } + } + + // same for rows + diff = sizeFit.y - size.y; + if ( diff ) + { + // try to resize the columns uniformly + wxCoord diffPerRow = diff / m_numRows; + if ( diffPerRow ) + { + for ( int row = 0; row < m_numRows; row++ ) + { + SetRowSize(row, GetRowHeight(row) + diffPerRow); + } + } + + // add remaining amount to the last rows + diff -= diffPerRow * m_numRows; + if ( diff ) + { + for ( int row = m_numRows - 1; row >= m_numRows - diff; row-- ) + { + SetRowSize(row, GetRowHeight(row) + 1); + } + } + } + + EndBatch(); + + SetClientSize(sizeFit); } wxSize wxGrid::DoGetBestSize() const