X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3a8c693aea7d83397af67825943e2750f1723628..4855a4773e9a49c6bb70f1adc3da7109e0b6ccf7:/src/generic/grid.cpp diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp index 1a337bae31..024de20fb0 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) @@ -30,9 +30,11 @@ #pragma hdrstop #endif +#if wxUSE_GRID + #if !defined(wxUSE_NEW_GRID) || !(wxUSE_NEW_GRID) -#include "gridg.cpp" -#else + #include "gridg.cpp" +#else // wxUSE_NEW_GRID #ifndef WX_PRECOMP #include "wx/utils.h" @@ -183,7 +185,7 @@ private: DECLARE_EVENT_TABLE() }; -class WXDLLEXPORT wxGridWindow : public wxPanel +class WXDLLEXPORT wxGridWindow : public wxWindow { public: wxGridWindow() @@ -386,13 +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 // ============================================================================ @@ -688,73 +708,7 @@ bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event) void wxGridCellTextEditor::StartingKey(wxKeyEvent& event) { - // we don't check for !HasModifiers() because IsAcceptedKey() did it - - // insert the key in the control - wxChar ch; - int keycode = event.GetKeyCode(); - switch ( keycode ) - { - case WXK_NUMPAD0: - case WXK_NUMPAD1: - case WXK_NUMPAD2: - case WXK_NUMPAD3: - case WXK_NUMPAD4: - case WXK_NUMPAD5: - case WXK_NUMPAD6: - case WXK_NUMPAD7: - case WXK_NUMPAD8: - case WXK_NUMPAD9: - ch = _T('0') + keycode - WXK_NUMPAD0; - break; - - case WXK_MULTIPLY: - case WXK_NUMPAD_MULTIPLY: - ch = _T('*'); - break; - - case WXK_ADD: - case WXK_NUMPAD_ADD: - ch = _T('+'); - break; - - case WXK_SUBTRACT: - case WXK_NUMPAD_SUBTRACT: - ch = _T('-'); - break; - - case WXK_DECIMAL: - case WXK_NUMPAD_DECIMAL: - ch = _T('.'); - break; - - case WXK_DIVIDE: - case WXK_NUMPAD_DIVIDE: - ch = _T('/'); - break; - - default: - if ( keycode < 256 && keycode >= 0 && isprint(keycode) ) - { - // FIXME this is not going to work for non letters... - if ( !event.ShiftDown() ) - { - keycode = tolower(keycode); - } - - ch = (wxChar)keycode; - } - else - { - ch = _T('\0'); - } - } - - if ( ch ) - { - Text()->AppendText(ch); - } - else + if ( !Text()->EmulateKeyPress(event) ) { event.Skip(); } @@ -1878,9 +1832,24 @@ 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() ) @@ -1906,8 +1875,6 @@ wxGridCellAttr *wxGridCellAttr::Clone() const attr->SetKind( m_attrkind ); - attr->SetDefAttr(m_defGridAttr); - return attr; } @@ -1951,7 +1918,7 @@ const wxColour& wxGridCellAttr::GetTextColour() const { return m_colText; } - else if (m_defGridAttr != this) + else if (m_defGridAttr && m_defGridAttr != this) { return m_defGridAttr->GetTextColour(); } @@ -1967,7 +1934,7 @@ 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 { @@ -1981,7 +1948,7 @@ 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 { @@ -1998,7 +1965,7 @@ 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 { @@ -2016,59 +1983,96 @@ 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; } @@ -2086,6 +2090,9 @@ 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 @@ -3022,7 +3029,7 @@ bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows ) { for ( n = 0; n < numRows; n++ ) { - m_data.Remove( pos ); + m_data.RemoveAt( pos ); } } if ( GetView() ) @@ -3138,7 +3145,7 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols ) { for ( n = 0; n < numCols; n++ ) { - m_data[row].Remove( pos ); + m_data[row].RemoveAt( pos ); } } } @@ -3413,9 +3420,9 @@ 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 ) @@ -3428,12 +3435,12 @@ 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; m_colLabelWin = colLblWin; - SetBackgroundColour( "WHITE" ); + SetBackgroundColour(_T("WHITE")); } @@ -3459,7 +3466,7 @@ 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 ); } @@ -3495,6 +3502,23 @@ void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) ) ////////////////////////////////////////////////////////////////////// +// 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, bool maxOnOverflow); + +#define internalXToCol(x) CoordToRowOrCol(x, m_defaultColWidth, \ + WXGRID_MIN_COL_WIDTH, \ + m_colRights, TRUE) +#define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \ + WXGRID_MIN_ROW_HEIGHT, \ + m_rowBottoms, TRUE) +///////////////////////////////////////////////////////////////////// IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow ) @@ -3556,17 +3580,17 @@ 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); @@ -3605,6 +3629,8 @@ void wxGrid::Create() wxDefaultSize ); SetTargetWindow( m_gridWin ); + + Init(); } @@ -3622,7 +3648,9 @@ 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; @@ -3630,12 +3658,10 @@ 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, @@ -3662,7 +3688,9 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership, if (takeOwnership) m_ownTable = TRUE; m_selection = new wxGridSelection( this, selmode ); - Init(); + + CalcDimensions(); + m_created = TRUE; } @@ -3734,8 +3762,8 @@ 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 @@ -3743,9 +3771,7 @@ void wxGrid::Init() m_batchCount = 0; m_extraWidth = - m_extraHeight = 50; - - CalcDimensions(); + m_extraHeight = 0; } // ---------------------------------------------------------------------------- @@ -3830,9 +3856,9 @@ 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 @@ -3842,32 +3868,38 @@ 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 ( 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; + 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); + + // if our OnSize() hadn't been called (it would if we have scrollbars), we + // still must reposition the children + CalcWindowSizes(); } @@ -4008,8 +4040,8 @@ bool wxGrid::Redimension( wxGridTableMessage& msg ) { for ( i = 0; i < numRows; i++ ) { - m_rowHeights.Remove( pos ); - m_rowBottoms.Remove( pos ); + m_rowHeights.RemoveAt( pos ); + m_rowBottoms.RemoveAt( pos ); } int h = 0; @@ -4144,8 +4176,8 @@ bool wxGrid::Redimension( wxGridTableMessage& msg ) { for ( i = 0; i < numCols; i++ ) { - m_colWidths.Remove( pos ); - m_colRights.Remove( pos ); + m_colWidths.RemoveAt( pos ); + m_colRights.RemoveAt( pos ); } int w = 0; @@ -4200,8 +4232,8 @@ wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg ) wxRegionIterator iter( reg ); wxRect r; - wxArrayInt rowlabels; - + wxArrayInt rowlabels; + int top, bottom; while ( iter ) { @@ -4228,7 +4260,7 @@ wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg ) // find the row labels within these bounds // int row; - for ( row = 0; row < m_numRows; row++ ) + for ( row = internalYToRow(top); row < m_numRows; row++ ) { if ( GetRowBottom(row) < top ) continue; @@ -4279,7 +4311,7 @@ wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg ) // find the cells within these bounds // int col; - for ( col = 0; col < m_numCols; col++ ) + for ( col = internalXToCol(left); col < m_numCols; col++ ) { if ( GetColRight(col) < left ) continue; @@ -4330,7 +4362,7 @@ wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg ) // find the cells within these bounds // int row, col; - for ( row = 0; row < m_numRows; row++ ) + for ( row = internalYToRow(top); row < m_numRows; row++ ) { if ( GetRowBottom(row) <= top ) continue; @@ -4338,8 +4370,7 @@ wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg ) if ( GetRowTop(row) > bottom ) break; - - for ( col = 0; col < m_numCols; col++ ) + for ( col = internalXToCol(left); col < m_numCols; col++ ) { if ( GetColRight(col) <= left ) continue; @@ -5447,66 +5478,80 @@ 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); @@ -5516,7 +5561,8 @@ bool wxGrid::SendEvent( const wxEventType type, this, rowOrCol ); - return GetEventHandler()->ProcessEvent(gridEvt); + claimed = GetEventHandler()->ProcessEvent(gridEvt); + vetoed = !gridEvt.IsAllowed(); } else { @@ -5525,8 +5571,13 @@ 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; } @@ -5536,14 +5587,14 @@ 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(); } @@ -5735,7 +5786,14 @@ 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 { @@ -5816,7 +5874,7 @@ void wxGrid::SetCurrentCell( const wxGridCellCoords& coords ) // Otherwise refresh redraws the highlight! m_currentCellCoords = coords; - + DrawGridCellArea(dc,cells); DrawAllGridLines( dc, r ); } @@ -6252,7 +6310,7 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) ) // horizontal grid lines // int i; - for ( i = 0; i < m_numRows; i++ ) + for ( i = internalYToRow(top); i < m_numRows; i++ ) { int bot = GetRowBottom(i) - 1; @@ -6270,7 +6328,7 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) ) // vertical grid lines // - for ( i = 0; i < m_numCols; i++ ) + for ( i = internalXToCol(left); i < m_numCols; i++ ) { int colRight = GetColRight(i) - 1; if ( colRight > right ) @@ -6576,11 +6634,11 @@ 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!") ); @@ -6592,6 +6650,9 @@ void wxGrid::EnableCellEditControl( bool enable ) } else { + //FIXME:add veto support + SendEvent( wxEVT_GRID_EDITOR_HIDDEN); + HideCellEditControl(); SaveEditControlValue(); @@ -6680,8 +6741,13 @@ void wxGrid::ShowCellEditControl() #endif // 0 // cell is shifted by one pixel - rect.x--; - rect.y--; + // However, don't allow x or y to become negative + // since the SetSize() method interprets that as + // "don't change." + if (rect.x > 0) + rect.x--; + if (rect.y > 0) + rect.y--; wxGridCellAttr* attr = GetCellAttr(row, col); wxGridCellEditor* editor = attr->GetEditor(this, row, col); @@ -6738,6 +6804,8 @@ 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); @@ -6747,9 +6815,13 @@ 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); + } } } } @@ -6778,31 +6850,68 @@ void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords ) } -int wxGrid::YToRow( int y ) +// 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, bool maxOnOverflow) { - int i; + if (!defaultDist) + defaultDist = 1; + size_t i_max = coord / defaultDist, + i_min = 0; + if (BorderArray.IsEmpty()) + { + return i_max; + } - for ( i = 0; i < m_numRows; i++ ) + if ( i_max >= BorderArray.GetCount()) + i_max = BorderArray.GetCount() - 1; + else { - if ( y < GetRowBottom(i) ) - return i; + if ( coord >= BorderArray[i_max]) + { + i_min = i_max; + i_max = coord / minDist; + } + if ( i_max >= BorderArray.GetCount()) + i_max = BorderArray.GetCount() - 1; } + if ( coord >= BorderArray[i_max]) + return maxOnOverflow ? (int)i_max : -1; + if ( coord < BorderArray[0] ) + return 0; - return -1; + 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 i_max; } - -int wxGrid::XToCol( int x ) +int wxGrid::YToRow( int y ) { - int i; + return CoordToRowOrCol(y, m_defaultRowHeight, + WXGRID_MIN_ROW_HEIGHT, m_rowBottoms, FALSE); +} - for ( i = 0; i < m_numCols; i++ ) - { - if ( x < GetColRight(i) ) - return i; - } - return -1; +int wxGrid::XToCol( int x ) +{ + return CoordToRowOrCol(x, m_defaultColWidth, + WXGRID_MIN_COL_WIDTH, m_colRights, FALSE); } @@ -6811,16 +6920,17 @@ int wxGrid::XToCol( int x ) // int wxGrid::YToEdgeOfRow( int y ) { - int i, d; + int i; + i = internalYToRow(y); - for ( i = 0; i < m_numRows; i++ ) + if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE ) { - if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE ) - { - d = abs( y - GetRowBottom(i) ); - if ( d < WXGRID_LABEL_EDGE_ZONE ) - return i; - } + // 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; } return -1; @@ -6832,16 +6942,17 @@ int wxGrid::YToEdgeOfRow( int y ) // int wxGrid::XToEdgeOfCol( int x ) { - int i, d; + int i; + i = internalXToCol(x); - for ( i = 0; i < m_numCols; i++ ) + if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE ) { - if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE ) - { - d = abs( x - GetColRight(i) ); - if ( d < WXGRID_LABEL_EDGE_ZONE ) - return i; - } + // 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 -1; @@ -6909,6 +7020,7 @@ bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible ) // void wxGrid::MakeCellVisible( int row, int col ) { + int i; int xpos = -1, ypos = -1; @@ -6949,7 +7061,10 @@ 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 ) @@ -6971,13 +7086,15 @@ 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(); } @@ -8002,19 +8119,20 @@ 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; } @@ -8237,9 +8355,14 @@ void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows ) if ( resizeExistingRows ) { - InitRowHeights(); - if ( !GetBatchCount() ) - CalcDimensions(); + // since we are resizing all rows to the default row size, + // we can simply clear the row heights and row bottoms + // arrays (which also allows us to take advantage of + // some speed optimisations) + m_rowHeights.Empty(); + m_rowBottoms.Empty(); + if ( !GetBatchCount() ) + CalcDimensions(); } } @@ -8272,9 +8395,14 @@ void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols ) if ( resizeExistingCols ) { - InitColWidths(); - if ( !GetBatchCount() ) - CalcDimensions(); + // since we are resizing all columns to the default column size, + // we can simply clear the col widths and col rights + // arrays (which also allows us to take advantage of + // some speed optimisations) + m_colWidths.Empty(); + m_colRights.Empty(); + if ( !GetBatchCount() ) + CalcDimensions(); } } @@ -8402,33 +8530,35 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column ) } } - if ( column ){ + if ( column ) + { SetColSize(col, extentMax); if ( !GetBatchCount() ) { - int cw, ch, dummy; - m_gridWin->GetClientSize( &cw, &ch ); - wxRect rect ( CellToRect( 0, col ) ); - rect.y = 0; - CalcScrolledPosition(rect.x, 0, &rect.x, &dummy); - rect.width = cw - rect.x; - rect.height = m_colLabelHeight; - m_colLabelWin->Refresh( TRUE, &rect ); - } - } - else{ + int cw, ch, dummy; + m_gridWin->GetClientSize( &cw, &ch ); + wxRect rect ( CellToRect( 0, col ) ); + rect.y = 0; + CalcScrolledPosition(rect.x, 0, &rect.x, &dummy); + rect.width = cw - rect.x; + rect.height = m_colLabelHeight; + m_colLabelWin->Refresh( TRUE, &rect ); + } + } + else + { SetRowSize(row, extentMax); if ( !GetBatchCount() ) { - int cw, ch, dummy; - m_gridWin->GetClientSize( &cw, &ch ); - wxRect rect ( CellToRect( row, 0 ) ); - rect.x = 0; - CalcScrolledPosition(0, rect.y, &dummy, &rect.y); - rect.width = m_rowLabelWidth; + int cw, ch, dummy; + m_gridWin->GetClientSize( &cw, &ch ); + wxRect rect ( CellToRect( row, 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 ); - } + m_rowLabelWin->Refresh( TRUE, &rect ); + } } if ( setAsMin ) { @@ -8445,6 +8575,7 @@ int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin) if ( !calcOnly ) BeginBatch(); + for ( int col = 0; col < m_numCols; col++ ) { if ( !calcOnly ) @@ -8454,8 +8585,10 @@ int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin) width += GetColWidth(col); } + if ( !calcOnly ) EndBatch(); + return width; } @@ -8465,6 +8598,7 @@ int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin) if ( !calcOnly ) BeginBatch(); + for ( int row = 0; row < m_numRows; row++ ) { if ( !calcOnly ) @@ -8474,15 +8608,78 @@ 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 @@ -8774,4 +8971,7 @@ wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type, } -#endif // ifndef wxUSE_NEW_GRID +#endif // !wxUSE_NEW_GRID/wxUSE_NEW_GRID + +#endif // wxUSE_GRID +