+////////////////////////////////////////////////////////////////////////////
+// Name: grid.cpp
+// Purpose: wxGrid and related classes
+// Author: Michael Bedward (based on code by Julian Smart, Robin Dunn)
+// Modified by:
+// Created: 1/08/1999
+// RCS-ID: $Id$
+// Copyright: (c) Michael Bedward (mbedward@ozemail.com.au)
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+
+#include "wx/defs.h"
+
+#if !defined(wxUSE_NEW_GRID) || !(wxUSE_NEW_GRID)
+#include "gridg.cpp"
+#else
+
+#ifdef __GNUG__
+ #pragma implementation "grid.h"
+#endif
+
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+ #include "wx/utils.h"
+ #include "wx/dcclient.h"
+ #include "wx/settings.h"
+ #include "wx/log.h"
+#endif
+
+#include "wx/generic/grid.h"
+
+
+//////////////////////////////////////////////////////////////////////
+
+wxGridCellCoords wxGridNoCellCoords( -1, -1 );
+wxRect wxGridNoCellRect( -1, -1, -1, -1 );
+
+
+
+//////////////////////////////////////////////////////////////////////
+//
+// Abstract base class for grid data (the model)
+//
+IMPLEMENT_ABSTRACT_CLASS( wxGridTableBase, wxObject )
+
+
+wxGridTableBase::wxGridTableBase()
+ : wxObject()
+{
+ m_view = (wxGrid *) NULL;
+}
+
+wxGridTableBase::~wxGridTableBase()
+{
+}
+
+
+bool wxGridTableBase::InsertRows( size_t pos, size_t numRows )
+{
+ wxLogWarning( "Called grid table class function InsertRows(pos=%d, N=%d)\n"
+ "but your derived table class does not override this function",
+ pos, numRows );
+
+ return FALSE;
+}
+
+bool wxGridTableBase::AppendRows( size_t numRows )
+{
+ wxLogWarning( "Called grid table class function AppendRows(N=%d)\n"
+ "but your derived table class does not override this function",
+ numRows );
+
+ return FALSE;
+}
+
+bool wxGridTableBase::DeleteRows( size_t pos, size_t numRows )
+{
+ wxLogWarning( "Called grid table class function DeleteRows(pos=%d, N=%d)\n"
+ "but your derived table class does not override this function",
+ pos, numRows );
+
+ return FALSE;
+}
+
+bool wxGridTableBase::InsertCols( size_t pos, size_t numCols )
+{
+ wxLogWarning( "Called grid table class function InsertCols(pos=%d, N=%d)\n"
+ "but your derived table class does not override this function",
+ pos, numCols );
+
+ return FALSE;
+}
+
+bool wxGridTableBase::AppendCols( size_t numCols )
+{
+ wxLogWarning( "Called grid table class function AppendCols(N=%d)\n"
+ "but your derived table class does not override this function",
+ numCols );
+
+ return FALSE;
+}
+
+bool wxGridTableBase::DeleteCols( size_t pos, size_t numCols )
+{
+ wxLogWarning( "Called grid table class function DeleteCols(pos=%d, N=%d)\n"
+ "but your derived table class does not override this function",
+ pos, numCols );
+
+ return FALSE;
+}
+
+
+wxString wxGridTableBase::GetRowLabelValue( int row )
+{
+ wxString s;
+ s << row;
+ return s;
+}
+
+wxString wxGridTableBase::GetColLabelValue( int col )
+{
+ // default col labels are:
+ // cols 0 to 25 : A-Z
+ // cols 26 to 675 : AA-ZZ
+ // etc.
+
+ wxString s;
+ unsigned int i, n;
+ for ( n = 1; ; n++ )
+ {
+ s += ('A' + (char)( col%26 ));
+ col = col/26 - 1;
+ if ( col < 0 ) break;
+ }
+
+ // reverse the string...
+ wxString s2;
+ for ( i = 0; i < n; i++ )
+ {
+ s2 += s[n-i-1];
+ }
+
+ return s2;
+}
+
+
+
+//////////////////////////////////////////////////////////////////////
+//
+// Message class for the grid table to send requests and notifications
+// to the grid view
+//
+
+wxGridTableMessage::wxGridTableMessage()
+{
+ m_table = (wxGridTableBase *) NULL;
+ m_id = -1;
+ m_comInt1 = -1;
+ m_comInt2 = -1;
+}
+
+wxGridTableMessage::wxGridTableMessage( wxGridTableBase *table, int id,
+ int commandInt1, int commandInt2 )
+{
+ m_table = table;
+ m_id = id;
+ m_comInt1 = commandInt1;
+ m_comInt2 = commandInt2;
+}
+
+
+
+//////////////////////////////////////////////////////////////////////
+//
+// A basic grid table for string data. An object of this class will
+// created by wxGrid if you don't specify an alternative table class.
+//
+
+
+// this is a magic incantation which must be done!
+#include <wx/arrimpl.cpp>
+
+WX_DEFINE_OBJARRAY(wxGridStringArray);
+
+IMPLEMENT_DYNAMIC_CLASS( wxGridStringTable, wxGridTableBase )
+
+wxGridStringTable::wxGridStringTable()
+ : wxGridTableBase()
+{
+}
+
+wxGridStringTable::wxGridStringTable( int numRows, int numCols )
+ : wxGridTableBase()
+{
+ int row, col;
+
+ m_data.Alloc( numRows );
+
+ wxArrayString sa;
+ sa.Alloc( numCols );
+ for ( col = 0; col < numCols; col++ )
+ {
+ sa.Add( wxEmptyString );
+ }
+
+ for ( row = 0; row < numRows; row++ )
+ {
+ m_data.Add( sa );
+ }
+}
+
+wxGridStringTable::~wxGridStringTable()
+{
+}
+
+long wxGridStringTable::GetNumberRows()
+{
+ return m_data.GetCount();
+}
+
+long wxGridStringTable::GetNumberCols()
+{
+ if ( m_data.GetCount() > 0 )
+ return m_data[0].GetCount();
+ else
+ return 0;
+}
+
+wxString wxGridStringTable::GetValue( int row, int col )
+{
+ // TODO: bounds checking
+ //
+ return m_data[row][col];
+}
+
+void wxGridStringTable::SetValue( int row, int col, const wxString& s )
+{
+ // TODO: bounds checking
+ //
+ m_data[row][col] = s;
+}
+
+bool wxGridStringTable::IsEmptyCell( int row, int col )
+{
+ // TODO: bounds checking
+ //
+ return (m_data[row][col] == wxEmptyString);
+}
+
+
+void wxGridStringTable::Clear()
+{
+ int row, col;
+ int numRows, numCols;
+
+ numRows = m_data.GetCount();
+ if ( numRows > 0 )
+ {
+ numCols = m_data[0].GetCount();
+
+ for ( row = 0; row < numRows; row++ )
+ {
+ for ( col = 0; col < numCols; col++ )
+ {
+ m_data[row][col] = wxEmptyString;
+ }
+ }
+ }
+}
+
+
+bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
+{
+ size_t row, col;
+
+ size_t curNumRows = m_data.GetCount();
+ size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() : 0 );
+
+ if ( pos >= curNumRows )
+ {
+ return AppendRows( numRows );
+ }
+
+ wxArrayString sa;
+ sa.Alloc( curNumCols );
+ for ( col = 0; col < curNumCols; col++ )
+ {
+ sa.Add( wxEmptyString );
+ }
+
+ for ( row = pos; row < pos + numRows; row++ )
+ {
+ m_data.Insert( sa, row );
+ }
+
+ if ( GetView() )
+ {
+ wxGridTableMessage msg( this,
+ wxGRIDTABLE_NOTIFY_ROWS_INSERTED,
+ pos,
+ numRows );
+
+ GetView()->ProcessTableMessage( msg );
+ }
+
+ return TRUE;
+}
+
+bool wxGridStringTable::AppendRows( size_t numRows )
+{
+ size_t row, col;
+
+ size_t curNumRows = m_data.GetCount();
+ size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() : 0 );
+
+ wxArrayString sa;
+ if ( curNumCols > 0 )
+ {
+ sa.Alloc( curNumCols );
+ for ( col = 0; col < curNumCols; col++ )
+ {
+ sa.Add( wxEmptyString );
+ }
+ }
+
+ for ( row = 0; row < numRows; row++ )
+ {
+ m_data.Add( sa );
+ }
+
+ if ( GetView() )
+ {
+ wxGridTableMessage msg( this,
+ wxGRIDTABLE_NOTIFY_ROWS_APPENDED,
+ numRows );
+
+ GetView()->ProcessTableMessage( msg );
+ }
+
+ return TRUE;
+}
+
+bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
+{
+ size_t n;
+
+ size_t curNumRows = m_data.GetCount();
+
+ if ( pos >= curNumRows )
+ {
+ wxLogError( "Called wxGridStringTable::DeleteRows(pos=%d, N=%d)...\n"
+ "Pos value is invalid for present table with %d rows",
+ pos, numRows, curNumRows );
+ return FALSE;
+ }
+
+ if ( numRows > curNumRows - pos )
+ {
+ numRows = curNumRows - pos;
+ }
+
+ if ( numRows >= curNumRows )
+ {
+ m_data.Empty(); // don't release memory just yet
+ }
+ else
+ {
+ for ( n = 0; n < numRows; n++ )
+ {
+ m_data.Remove( pos );
+ }
+ }
+
+ if ( GetView() )
+ {
+ wxGridTableMessage msg( this,
+ wxGRIDTABLE_NOTIFY_ROWS_DELETED,
+ pos,
+ numRows );
+
+ GetView()->ProcessTableMessage( msg );
+ }
+
+ return TRUE;
+}
+
+bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
+{
+ size_t row, col;
+
+ size_t curNumRows = m_data.GetCount();
+ size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() : 0 );
+
+ if ( pos >= curNumCols )
+ {
+ return AppendCols( numCols );
+ }
+
+ for ( row = 0; row < curNumRows; row++ )
+ {
+ for ( col = pos; col < pos + numCols; col++ )
+ {
+ m_data[row].Insert( wxEmptyString, col );
+ }
+ }
+
+ if ( GetView() )
+ {
+ wxGridTableMessage msg( this,
+ wxGRIDTABLE_NOTIFY_COLS_INSERTED,
+ pos,
+ numCols );
+
+ GetView()->ProcessTableMessage( msg );
+ }
+
+ return TRUE;
+}
+
+bool wxGridStringTable::AppendCols( size_t numCols )
+{
+ size_t row, n;
+
+ size_t curNumRows = m_data.GetCount();
+ if ( !curNumRows )
+ {
+ // TODO: something better than this ?
+ //
+ wxLogError( "Unable to append cols to a grid table with no rows.\n"
+ "Call AppendRows() first" );
+ return FALSE;
+ }
+
+ for ( row = 0; row < curNumRows; row++ )
+ {
+ for ( n = 0; n < numCols; n++ )
+ {
+ m_data[row].Add( wxEmptyString );
+ }
+ }
+
+ if ( GetView() )
+ {
+ wxGridTableMessage msg( this,
+ wxGRIDTABLE_NOTIFY_COLS_APPENDED,
+ numCols );
+
+ GetView()->ProcessTableMessage( msg );
+ }
+
+ return TRUE;
+}
+
+bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
+{
+ size_t row, n;
+
+ size_t curNumRows = m_data.GetCount();
+ size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() : 0 );
+
+ if ( pos >= curNumCols )
+ {
+ wxLogError( "Called wxGridStringTable::DeleteCols(pos=%d, N=%d)...\n"
+ "Pos value is invalid for present table with %d cols",
+ pos, numCols, curNumCols );
+ return FALSE;
+ }
+
+ if ( numCols > curNumCols - pos )
+ {
+ numCols = curNumCols - pos;
+ }
+
+ for ( row = 0; row < curNumRows; row++ )
+ {
+ if ( numCols >= curNumCols )
+ {
+ m_data[row].Clear();
+ }
+ else
+ {
+ for ( n = 0; n < numCols; n++ )
+ {
+ m_data[row].Remove( pos );
+ }
+ }
+ }
+
+ if ( GetView() )
+ {
+ wxGridTableMessage msg( this,
+ wxGRIDTABLE_NOTIFY_COLS_DELETED,
+ pos,
+ numCols );
+
+ GetView()->ProcessTableMessage( msg );
+ }
+
+ return TRUE;
+}
+
+wxString wxGridStringTable::GetRowLabelValue( int row )
+{
+ if ( row > (int)(m_rowLabels.GetCount()) - 1 )
+ {
+ // using default label
+ //
+ return wxGridTableBase::GetRowLabelValue( row );
+ }
+ else
+ {
+ return m_rowLabels[ row ];
+ }
+}
+
+wxString wxGridStringTable::GetColLabelValue( int col )
+{
+ if ( col > (int)(m_colLabels.GetCount()) - 1 )
+ {
+ // using default label
+ //
+ return wxGridTableBase::GetColLabelValue( col );
+ }
+ else
+ {
+ return m_colLabels[ col ];
+ }
+}
+
+void wxGridStringTable::SetRowLabelValue( int row, const wxString& value )
+{
+ if ( row > (int)(m_rowLabels.GetCount()) - 1 )
+ {
+ int n = m_rowLabels.GetCount();
+ int i;
+ for ( i = n; i <= row; i++ )
+ {
+ m_rowLabels.Add( wxGridTableBase::GetRowLabelValue(i) );
+ }
+ }
+
+ m_rowLabels[row] = value;
+}
+
+void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
+{
+ if ( col > (int)(m_colLabels.GetCount()) - 1 )
+ {
+ int n = m_colLabels.GetCount();
+ int i;
+ for ( i = n; i <= col; i++ )
+ {
+ m_colLabels.Add( wxGridTableBase::GetColLabelValue(i) );
+ }
+ }
+
+ m_colLabels[col] = value;
+}
+
+
+
+
+//////////////////////////////////////////////////////////////////////
+
+IMPLEMENT_DYNAMIC_CLASS( wxGridTextCtrl, wxTextCtrl )
+
+BEGIN_EVENT_TABLE( wxGridTextCtrl, wxTextCtrl )
+ EVT_KEY_DOWN( wxGridTextCtrl::OnKeyDown )
+END_EVENT_TABLE()
+
+
+wxGridTextCtrl::wxGridTextCtrl( wxWindow *par,
+ bool isCellControl,
+ wxWindowID id,
+ const wxString& value,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style )
+ : wxTextCtrl( par, id, value, pos, size, style )
+{
+ m_isCellControl = isCellControl;
+}
+
+
+void wxGridTextCtrl::OnKeyDown( wxKeyEvent& ev )
+{
+ switch ( ev.KeyCode() )
+ {
+ case WXK_ESCAPE:
+ ((wxGrid *)GetParent())->SetEditControlValue( startValue );
+ SetInsertionPointEnd();
+ break;
+
+ case WXK_UP:
+ case WXK_DOWN:
+ case WXK_LEFT:
+ case WXK_RIGHT:
+ case WXK_RETURN:
+ if ( m_isCellControl )
+ {
+ // send the event to the parent grid, skipping the
+ // event if nothing happens
+ //
+ ev.Skip( !GetParent()->ProcessEvent( ev ) );
+ }
+ else
+ {
+ // default text control response within the top edit
+ // control
+ //
+ ev.Skip();
+ }
+ break;
+
+ case WXK_HOME:
+ case WXK_END:
+ if ( m_isCellControl )
+ {
+ // send the event to the parent grid, skipping the
+ // event if nothing happens
+ //
+ ev.Skip( !GetParent()->ProcessEvent( ev ) );
+ }
+ else
+ {
+ // default text control response within the top edit
+ // control
+ //
+ ev.Skip();
+ }
+ break;
+
+ default:
+ ev.Skip();
+ }
+}
+
+void wxGridTextCtrl::SetStartValue( const wxString& s )
+{
+ startValue = s;
+ wxTextCtrl::SetValue( s.c_str() );
+}
+
+
+//////////////////////////////////////////////////////////////////////
+
+IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxPanel )
+
+
+BEGIN_EVENT_TABLE( wxGrid, wxPanel )
+ EVT_PAINT( wxGrid::OnPaint )
+ EVT_SIZE( wxGrid::OnSize )
+ EVT_MOUSE_EVENTS( wxGrid::OnMouse )
+ EVT_KEY_DOWN( wxGrid::OnKeyDown )
+ EVT_TEXT( wxGRID_CELLCTRL, wxGrid::OnText )
+ EVT_TEXT( wxGRID_TOPCTRL, wxGrid::OnText )
+ EVT_COMMAND_SCROLL( wxGRID_HORIZSCROLL, wxGrid::OnGridScroll)
+ EVT_COMMAND_SCROLL( wxGRID_VERTSCROLL, wxGrid::OnGridScroll)
+END_EVENT_TABLE()
+
+
+wxGrid::~wxGrid()
+{
+ delete m_table;
+}
+
+
+//
+// ----- internal init and update functions
+//
+
+void wxGrid::Create()
+{
+ m_table = (wxGridTableBase *) NULL;
+ m_topEditCtrl = (wxWindow *) NULL;
+ m_cellEditCtrl = (wxWindow *) NULL;
+ m_horizScrollBar = (wxScrollBar *) NULL;
+ m_vertScrollBar = (wxScrollBar *) NULL;
+
+ m_numRows = 0;
+ m_numCols = 0;
+ m_created = FALSE;
+}
+
+void wxGrid::Init()
+{
+ int i;
+
+ m_left = 0;
+ m_top = 0;
+
+ // TODO: perhaps have a style flag for control panel
+ //
+ m_topEditCtrlEnabled = FALSE;
+ m_topEditCtrl = new wxGridTextCtrl( this,
+ FALSE,
+ wxGRID_TOPCTRL,
+ "",
+ wxPoint(10, 10),
+ wxSize(WXGRID_DEFAULT_TOPEDIT_WIDTH,
+ WXGRID_DEFAULT_TOPEDIT_HEIGHT),
+ wxTE_MULTILINE );
+ m_topEditCtrl->Show( FALSE );
+
+ if ( m_numRows <= 0 )
+ m_numRows = WXGRID_DEFAULT_NUMBER_ROWS;
+
+ if ( m_numCols <= 0 )
+ m_numCols = WXGRID_DEFAULT_NUMBER_COLS;
+
+ m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
+ m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
+
+ // default labels are pale grey with black text
+ //
+ m_labelBackgroundColour = wxColour( 192, 192, 192 );
+ m_labelTextColour = wxColour( 0, 0, 0 );
+
+ // TODO: something better than this ?
+ //
+ m_labelFont = this->GetFont();
+ m_labelFont.SetWeight( m_labelFont.GetWeight() + 2 );
+
+ m_rowLabelHorizAlign = wxLEFT;
+ m_rowLabelVertAlign = wxCENTRE;
+
+ m_colLabelHorizAlign = wxCENTRE;
+ m_colLabelVertAlign = wxTOP;
+
+ m_defaultRowHeight = WXGRID_DEFAULT_ROW_HEIGHT;
+ m_defaultColWidth = WXGRID_DEFAULT_COL_WIDTH;
+
+ m_rowHeights.Alloc( m_numRows );
+ m_rowBottoms.Alloc( m_numRows );
+ for ( i = 0; i < m_numRows; i++ )
+ {
+ m_rowHeights.Add( m_defaultRowHeight );
+ m_rowBottoms.Add( 0 ); // set by CalcDimensions()
+ }
+
+ m_colWidths.Alloc( m_numCols );
+ m_colRights.Alloc( m_numRows );
+ for ( i = 0; i < m_numCols; i++ )
+ {
+ m_colWidths.Add( m_defaultColWidth );
+ m_colRights.Add( 0 ); // set by CalcDimensions()
+ }
+
+ // TODO: improve this ?
+ //
+ m_defaultCellFont = this->GetFont();
+
+ m_gridLineColour = wxColour( 0, 0, 255 );
+ m_gridLinesEnabled = TRUE;
+
+ m_scrollBarWidth = WXGRID_DEFAULT_SCROLLBAR_WIDTH;
+
+ m_horizScrollBar = new wxScrollBar( this,
+ wxGRID_HORIZSCROLL,
+ wxPoint(0, 0),
+ wxSize(10, 10),
+ wxHORIZONTAL);
+
+ m_vertScrollBar = new wxScrollBar( this,
+ wxGRID_VERTSCROLL,
+ wxPoint(0, 0),
+ wxSize(10, 10),
+ wxVERTICAL);
+ m_scrollPosX = 0;
+ m_scrollPosY = 0;
+ m_wholeColsVisible = 0;
+ m_wholeRowsVisible = 0;
+
+ m_firstPaint = TRUE;
+ m_inOnKeyDown = FALSE;
+ m_batchCount = 0;
+
+ m_cursorMode = WXGRID_CURSOR_DEFAULT;
+ m_dragLastPos = -1;
+ m_dragRowOrCol = -1;
+ m_isDragging = FALSE;
+
+ m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
+ m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
+
+ m_currentCellCoords = wxGridNoCellCoords;
+ m_currentCellHighlighted = FALSE;
+
+ m_selectedTopLeft = wxGridNoCellCoords;
+ m_selectedBottomRight = wxGridNoCellCoords;
+
+ m_editable = TRUE; // default for whole grid
+
+ // TODO: extend this to other types of controls
+ //
+ m_cellEditCtrl = new wxGridTextCtrl( this,
+ TRUE,
+ wxGRID_CELLCTRL,
+ "",
+ wxPoint(1,1),
+ wxSize(1,1),
+ wxNO_BORDER
+#ifdef __WXMSW__
+ | wxTE_MULTILINE | wxTE_NO_VSCROLL
+#endif
+ );
+
+ m_cellEditCtrl->Show( FALSE );
+ m_cellEditCtrlEnabled = TRUE;
+ m_editCtrlType = wxGRID_TEXTCTRL;
+
+ // Not really needed here, it gets called by OnSize()
+ //
+ // CalcDimensions();
+}
+
+
+void wxGrid::CalcDimensions()
+{
+ int i;
+
+ if ( IsTopEditControlEnabled() )
+ {
+ int ctrlW, ctrlH;
+ m_topEditCtrl->GetSize( &ctrlW, &ctrlH );
+
+ m_top = ctrlH + 20;
+ }
+ else
+ {
+ m_top = 0;
+ }
+
+ int bottom = m_top + m_colLabelHeight;
+ for ( i = m_scrollPosY; i < m_numRows; i++ )
+ {
+ bottom += m_rowHeights[i];
+ m_rowBottoms[i] = bottom;
+ }
+
+ int right = m_left + m_rowLabelWidth;
+ for ( i = m_scrollPosX; i < m_numCols; i++ )
+ {
+ right += m_colWidths[i];
+ m_colRights[i] = right;
+ }
+
+ // adjust the scroll bars
+ //
+
+ int cw, ch;
+ GetClientSize(&cw, &ch);
+
+ // begin by assuming that we don't need either scroll bar
+ //
+ int vertScrollBarWidth = 0;
+ int horizScrollBarHeight = 0;
+
+ // Each scroll bar needs to eventually know if the other one is
+ // required in deciding whether or not it is also required - hence
+ // this loop. A bit inelegant but simple and it works.
+ //
+ int check;
+ for ( check = 0; check < 2; check++ )
+ {
+ if ( m_numRows > 0 &&
+ m_rowBottoms[m_numRows-1] + horizScrollBarHeight > ch )
+ {
+ vertScrollBarWidth = m_scrollBarWidth;
+
+ m_wholeRowsVisible = 0;
+ for ( i = m_scrollPosY; i < m_numRows; i++ )
+ {
+ // A partial row doesn't count, we still have to scroll to
+ // see the rest of it
+ if ( m_rowBottoms[i] + horizScrollBarHeight > ch ) break;
+
+ m_wholeRowsVisible++ ;
+ }
+ }
+ else
+ {
+ m_wholeRowsVisible = m_numRows - m_scrollPosY;
+ if ( m_scrollPosY )
+ {
+ vertScrollBarWidth = m_scrollBarWidth;
+ }
+ }
+
+
+ if ( m_numCols &&
+ m_colRights[m_numCols-1] + vertScrollBarWidth > cw)
+ {
+ horizScrollBarHeight = m_scrollBarWidth;
+
+ m_wholeColsVisible = 0;
+ for ( i = m_scrollPosX; i < m_numCols; i++ )
+ {
+ // A partial col doesn't count, we still have to scroll to
+ // see the rest of it
+ if ( m_colRights[i] + vertScrollBarWidth > cw ) break;
+
+ m_wholeColsVisible++ ;
+ }
+ }
+ else
+ {
+ // we can see the right-most column
+ //
+ m_wholeColsVisible = m_numCols - m_scrollPosX;
+ if ( m_scrollPosX )
+ {
+ horizScrollBarHeight = m_scrollBarWidth;
+ }
+ }
+ }
+
+
+ if ( m_vertScrollBar )
+ {
+ if ( !vertScrollBarWidth )
+ {
+ m_vertScrollBar->Show(FALSE);
+ }
+ else
+ {
+ m_vertScrollBar->Show(TRUE);
+ m_vertScrollBar->SetScrollbar(
+ m_scrollPosY,
+ wxMax(m_wholeRowsVisible, 1),
+ (m_wholeRowsVisible == 0 ? 1 : m_numRows),
+ wxMax(m_wholeRowsVisible, 1) );
+
+ m_vertScrollBar->SetSize( cw - m_scrollBarWidth,
+ m_top,
+ m_scrollBarWidth,
+ ch - m_top - horizScrollBarHeight);
+ }
+ }
+
+ if ( m_horizScrollBar )
+ {
+ if ( !horizScrollBarHeight )
+ {
+ m_horizScrollBar->Show(FALSE);
+ }
+ else
+ {
+ m_horizScrollBar->Show(TRUE);
+
+ m_horizScrollBar->SetScrollbar(
+ m_scrollPosX,
+ wxMax(m_wholeColsVisible, 1),
+ (m_wholeColsVisible == 0) ? 1 : m_numCols,
+ wxMax(m_wholeColsVisible, 1) );
+
+ m_horizScrollBar->SetSize( m_left,
+ ch - m_scrollBarWidth,
+ cw - m_left - vertScrollBarWidth,
+ m_scrollBarWidth );
+ }
+ }
+
+ m_bottom = m_right = 0;
+ if ( m_numRows > 0 )
+ {
+ m_bottom = wxMin( m_rowBottoms[m_numRows-1],
+ ch - horizScrollBarHeight );
+ }
+ if ( m_numCols > 0 )
+ {
+ m_right = wxMin( m_colRights[m_numCols-1],
+ cw - vertScrollBarWidth );
+ }
+}
+
+
+bool wxGrid::IsOnScreen()
+{
+ int cw, ch;
+ GetClientSize( &cw, &ch );
+ return ( cw > 10 );
+}
+
+
+// this is called when the grid table sends a message to say that it
+// has been redimensioned
+//
+bool wxGrid::Redimension( wxGridTableMessage& msg )
+{
+ int i;
+
+ switch ( msg.GetId() )
+ {
+ case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
+ {
+ size_t pos = msg.GetCommandInt();
+ int numRows = msg.GetCommandInt2();
+ for ( i = 0; i < numRows; i++ )
+ {
+ m_rowHeights.Insert( m_defaultRowHeight, pos );
+ m_rowBottoms.Insert( 0, pos );
+ }
+ m_numRows += numRows;
+ CalcDimensions();
+ }
+ return TRUE;
+
+ case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
+ {
+ int numRows = msg.GetCommandInt();
+ for ( i = 0; i < numRows; i++ )
+ {
+ m_rowHeights.Add( m_defaultRowHeight );
+ m_rowBottoms.Add( 0 );
+ }
+ m_numRows += numRows;
+ CalcDimensions();
+ }
+ return TRUE;
+
+ case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
+ {
+ size_t pos = msg.GetCommandInt();
+ int numRows = msg.GetCommandInt2();
+ for ( i = 0; i < numRows; i++ )
+ {
+ m_rowHeights.Remove( pos );
+ m_rowBottoms.Remove( pos );
+ }
+ m_numRows -= numRows;
+
+ // TODO: improve these adjustments...
+ //
+ if ( m_scrollPosY >= m_numRows )
+ m_scrollPosY = 0;
+
+ if ( !m_numRows )
+ {
+ m_numCols = 0;
+ m_colWidths.Clear();
+ m_colRights.Clear();
+ m_currentCellCoords = wxGridNoCellCoords;
+ }
+ else if ( m_currentCellCoords.GetRow() >= m_numRows )
+ {
+ m_currentCellCoords.Set( 0, 0 );
+ }
+ CalcDimensions();
+ }
+ return TRUE;
+
+ case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
+ {
+ size_t pos = msg.GetCommandInt();
+ int numCols = msg.GetCommandInt2();
+ for ( i = 0; i < numCols; i++ )
+ {
+ m_colWidths.Insert( m_defaultColWidth, pos );
+ m_colRights.Insert( 0, pos );
+ }
+ m_numCols += numCols;
+ CalcDimensions();
+ }
+ return TRUE;
+
+ case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
+ {
+ int numCols = msg.GetCommandInt();
+ for ( i = 0; i < numCols; i++ )
+ {
+ m_colWidths.Add( m_defaultColWidth );
+ m_colRights.Add( 0 );
+ }
+ m_numCols += numCols;
+ CalcDimensions();
+ }
+ return TRUE;
+
+ case wxGRIDTABLE_NOTIFY_COLS_DELETED:
+ {
+ size_t pos = msg.GetCommandInt();
+ int numCols = msg.GetCommandInt2();
+ for ( i = 0; i < numCols; i++ )
+ {
+ m_colWidths.Remove( pos );
+ m_colRights.Remove( pos );
+ }
+ m_numCols -= numCols;
+ //
+ // TODO: improve these adjustments...
+ //
+ if ( m_scrollPosX >= m_numCols )
+ m_scrollPosX = 0;
+
+ if ( !m_numCols )
+ {
+#if 0 // leave the row alone here so that AppendCols will work subsequently
+ m_numRows = 0;
+ m_rowHeights.Clear();
+ m_rowBottoms.Clear();
+#endif
+ m_currentCellCoords = wxGridNoCellCoords;
+ }
+ else if ( m_currentCellCoords.GetCol() >= m_numCols )
+ {
+ m_currentCellCoords.Set( 0, 0 );
+ }
+ CalcDimensions();
+ }
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+
+//
+// ----- event handlers
+//
+
+// Generate a grid event based on a mouse event and
+// return the result of ProcessEvent()
+//
+bool wxGrid::SendEvent( const wxEventType type,
+ int row, int col,
+ wxMouseEvent& mouseEv )
+{
+ if ( type == EVT_WXGRID_ROW_SIZE ||
+ type == EVT_WXGRID_COL_SIZE )
+ {
+ int rowOrCol = (row == -1 ? col : row);
+
+ wxGridSizeEvent gridEvt( GetId(),
+ type,
+ this,
+ rowOrCol,
+ mouseEv.GetX(), mouseEv.GetY(),
+ mouseEv.ControlDown(),
+ mouseEv.ShiftDown(),
+ mouseEv.AltDown(),
+ mouseEv.MetaDown() );
+
+ return GetEventHandler()->ProcessEvent(gridEvt);
+ }
+ else if ( type == EVT_WXGRID_RANGE_SELECT )
+ {
+ wxGridRangeSelectEvent gridEvt( GetId(),
+ type,
+ this,
+ m_selectedTopLeft,
+ m_selectedBottomRight,
+ mouseEv.ControlDown(),
+ mouseEv.ShiftDown(),
+ mouseEv.AltDown(),
+ mouseEv.MetaDown() );
+
+ return GetEventHandler()->ProcessEvent(gridEvt);
+ }
+ else
+ {
+ wxGridEvent gridEvt( GetId(),
+ type,
+ this,
+ row, col,
+ mouseEv.GetX(), mouseEv.GetY(),
+ mouseEv.ControlDown(),
+ mouseEv.ShiftDown(),
+ mouseEv.AltDown(),
+ mouseEv.MetaDown() );
+
+ return GetEventHandler()->ProcessEvent(gridEvt);
+ }
+}
+
+
+// Generate a grid event of specified type and return the result
+// of ProcessEvent().
+//
+bool wxGrid::SendEvent( const wxEventType type,
+ int row, int col )
+{
+ if ( type == EVT_WXGRID_ROW_SIZE ||
+ type == EVT_WXGRID_COL_SIZE )
+ {
+ int rowOrCol = (row == -1 ? col : row);
+
+ wxGridSizeEvent gridEvt( GetId(),
+ type,
+ this,
+ rowOrCol );
+
+ return GetEventHandler()->ProcessEvent(gridEvt);
+ }
+ else
+ {
+ wxGridEvent gridEvt( GetId(),
+ type,
+ this,
+ row, col );
+
+ return GetEventHandler()->ProcessEvent(gridEvt);
+ }
+}
+
+
+void wxGrid::OnPaint( wxPaintEvent& ev )
+{
+ wxPaintDC dc( this );
+
+ if ( !m_batchCount )
+ {
+ // define a clipping region to avoid painting over the scroll bars
+ //
+ int vs = 0;
+ if ( m_vertScrollBar && m_vertScrollBar->IsShown() )
+ vs = m_scrollBarWidth;
+
+ int hs = 0;
+ if ( m_horizScrollBar && m_horizScrollBar->IsShown() )
+ hs = m_scrollBarWidth;
+
+ int cw, ch;
+ GetClientSize( &cw, &ch );
+ dc.SetClippingRegion( 0, 0, cw - vs, ch - hs );
+
+ HideCurrentCellHighlight( dc );
+
+ DrawLabelAreas( dc );
+ DrawColLabels( dc );
+ DrawRowLabels( dc );
+ DrawCellArea( dc );
+ DrawGridLines( dc );
+ DrawCells( dc );
+
+ // TODO: something more elegant than this...
+ //
+ if ( m_firstPaint )
+ {
+ if ( m_currentCellCoords == wxGridNoCellCoords )
+ m_currentCellCoords.Set(0, 0);
+
+ SetEditControlValue();
+ ShowCellEditControl();
+ m_firstPaint = FALSE;
+ }
+
+ ShowCurrentCellHighlight( dc );
+
+ dc.DestroyClippingRegion();
+ }
+}
+
+
+void wxGrid::OnSize( wxSizeEvent& ev )
+{
+ CalcDimensions();
+}
+
+
+void wxGrid::OnMouse( wxMouseEvent& ev )
+{
+ int x = ev.GetX();
+ int y = ev.GetY();
+ int row, col;
+
+ // ------------------------------------------------------------
+ //
+ // Mouse dragging
+ //
+ if ( ev.Dragging() )
+ {
+ m_isDragging = TRUE;
+
+ if ( ev.LeftIsDown() )
+ {
+ switch( m_cursorMode )
+ {
+ case WXGRID_CURSOR_SELECT_CELL:
+ {
+ wxGridCellCoords cellCoords;
+ XYToCell( x, y, cellCoords );
+ if ( cellCoords != wxGridNoCellCoords )
+ {
+ if ( !IsSelection() )
+ {
+ SelectBlock( cellCoords, cellCoords );
+ }
+ else if ( !IsInSelection( cellCoords ) )
+ {
+ SelectBlock( m_currentCellCoords, cellCoords );
+ }
+ }
+ }
+ break;
+
+ case WXGRID_CURSOR_RESIZE_ROW:
+ {
+ wxClientDC dc(this);
+ dc.SetLogicalFunction(wxXOR);
+ if ( m_dragLastPos >= 0 )
+ {
+ dc.DrawLine( m_left, m_dragLastPos,
+ m_right, m_dragLastPos );
+ }
+ dc.DrawLine( m_left, ev.GetY(),
+ m_right, ev.GetY());
+
+ m_dragLastPos = ev.GetY();
+ }
+ break;
+
+ case WXGRID_CURSOR_RESIZE_COL:
+ {
+ wxClientDC dc(this);
+ dc.SetLogicalFunction(wxINVERT);
+ if ( m_dragLastPos >= 0 )
+ {
+ dc.DrawLine( m_dragLastPos, m_top,
+ m_dragLastPos, m_bottom );
+ }
+ dc.DrawLine( ev.GetX(), m_top,
+ ev.GetX(), m_bottom );
+
+ m_dragLastPos = ev.GetX();
+ }
+ break;
+
+ case WXGRID_CURSOR_SELECT_ROW:
+ {
+ if ( (row = YToRow( y )) >= 0 &&
+ !IsInSelection( row, 0 ) )
+ {
+ SelectRow( row, TRUE );
+ }
+ }
+ break;
+
+ case WXGRID_CURSOR_SELECT_COL:
+ {
+ if ( (col = XToCol( x )) >= 0 &&
+ !IsInSelection( 0, col ) )
+ {
+ SelectCol( col, TRUE );
+ }
+ }
+ break;
+ }
+ }
+ return;
+ }
+
+ m_isDragging = FALSE;
+
+ // ------------------------------------------------------------
+ //
+ // Left mouse button down
+ //
+ if ( ev.LeftDown() )
+ {
+ row = -1;
+ col = -1;
+ wxGridCellCoords cellCoords;
+
+ switch( XYToArea( x, y ) )
+ {
+ case WXGRID_ROWLABEL:
+ {
+ // don't send a label click event for a hit on the
+ // edge of the row label - this is probably the user
+ // wanting to resize the row
+ //
+ if ( YToEdgeOfRow(y) < 0 )
+ {
+ row = YToRow(y);
+ if ( !SendEvent( EVT_WXGRID_LABEL_LEFT_CLICK, row, col, ev ) )
+ {
+ SelectRow( row, ev.ShiftDown() );
+ m_cursorMode = WXGRID_CURSOR_SELECT_ROW;
+ }
+ }
+ }
+ break;
+
+ case WXGRID_COLLABEL:
+ {
+ // don't send a label click event for a hit on the
+ // edge of the col label - this is probably the user
+ // wanting to resize the col
+ //
+ if ( XToEdgeOfCol(x) < 0 )
+ {
+ col = XToCol(x);
+ if ( !SendEvent( EVT_WXGRID_LABEL_LEFT_CLICK, row, col, ev ) )
+ {
+ SelectCol( col, ev.ShiftDown() );
+ m_cursorMode = WXGRID_CURSOR_SELECT_COL;
+ }
+ }
+ }
+ break;
+
+ case WXGRID_CORNERLABEL:
+ {
+ // leave both row and col as -1
+ //
+ if ( !SendEvent( EVT_WXGRID_LABEL_LEFT_CLICK, row, col, ev ) )
+ {
+ SelectAll();
+ }
+ }
+ break;
+
+ case WXGRID_CELL:
+ {
+ XYToCell( x, y, cellCoords );
+ if ( !SendEvent( EVT_WXGRID_CELL_LEFT_CLICK,
+ cellCoords.GetRow(),
+ cellCoords.GetCol(),
+ ev ) )
+ {
+ MakeCellVisible( cellCoords );
+ SelectCell( cellCoords );
+ }
+ }
+ break;
+
+ default:
+#if 0
+ wxLogMessage( "outside grid area" );
+#endif
+ break;
+ }
+ }
+ // ------------------------------------------------------------
+ //
+ // Left mouse button double click
+ //
+ else if ( ev.LeftDClick() )
+ {
+ row = -1;
+ col = -1;
+ wxGridCellCoords cellCoords;
+
+ switch( XYToArea( x, y ) )
+ {
+ case WXGRID_ROWLABEL:
+ {
+ // don't send a label click event for a hit on the
+ // edge of the row label - this is probably the user
+ // wanting to resize the row
+ //
+ if ( YToEdgeOfRow(y) < 0 )
+ {
+ row = YToRow(y);
+ SendEvent( EVT_WXGRID_LABEL_LEFT_DCLICK, row, col, ev );
+ }
+ }
+ break;
+
+ case WXGRID_COLLABEL:
+ {
+ // don't send a label click event for a hit on the
+ // edge of the col label - this is probably the user
+ // wanting to resize the col
+ //
+ if ( XToEdgeOfCol(x) < 0 )
+ {
+ col = XToCol(x);
+ SendEvent( EVT_WXGRID_LABEL_LEFT_DCLICK, row, col, ev );
+ }
+ }
+ break;
+
+ case WXGRID_CORNERLABEL:
+ {
+ // leave both row and col as -1
+ //
+ SendEvent( EVT_WXGRID_LABEL_LEFT_DCLICK, row, col, ev );
+ }
+ break;
+
+ case WXGRID_CELL:
+ {
+ XYToCell( x, y, cellCoords );
+ SendEvent( EVT_WXGRID_CELL_LEFT_DCLICK,
+ cellCoords.GetRow(),
+ cellCoords.GetCol(),
+ ev );
+ }
+ break;
+
+ default:
+#if 0
+ wxLogMessage( "outside grid area" );
+#endif
+ break;
+ }
+ }
+ // ------------------------------------------------------------
+ //
+ // Left mouse button released
+ //
+ else if ( ev.LeftUp() )
+ {
+ switch ( m_cursorMode )
+ {
+ case WXGRID_CURSOR_RESIZE_ROW:
+ {
+ if ( m_dragLastPos >= 0 )
+ {
+ // erase the last line and resize the row
+ //
+ wxClientDC dc( this );
+ dc.SetLogicalFunction( wxINVERT );
+ dc.DrawLine( m_left, m_dragLastPos,
+ m_right, m_dragLastPos );
+ HideCellEditControl();
+ int top = m_top + m_colLabelHeight;
+ if ( m_dragRowOrCol > 0 )
+ top = m_rowBottoms[m_dragRowOrCol-1];
+ m_rowHeights[m_dragRowOrCol] = wxMax( ev.GetY() - top,
+ WXGRID_MIN_ROW_HEIGHT );
+ CalcDimensions();
+ ShowCellEditControl();
+ Refresh();
+
+ // Note: we are ending the event *after* doing
+ // default processing in this case
+ //
+ SendEvent( EVT_WXGRID_ROW_SIZE, m_dragRowOrCol, -1, ev );
+ }
+ }
+ break;
+
+ case WXGRID_CURSOR_RESIZE_COL:
+ {
+ if ( m_dragLastPos >= 0 )
+ {
+ // erase the last line and resize the col
+ //
+ wxClientDC dc( this );
+ dc.SetLogicalFunction( wxINVERT );
+ dc.DrawLine( m_left, m_dragLastPos,
+ m_right, m_dragLastPos );
+ HideCellEditControl();
+ int left = m_left + m_rowLabelWidth;
+ if ( m_dragRowOrCol > 0 )
+ left = m_colRights[m_dragRowOrCol-1];
+ m_colWidths[m_dragRowOrCol] = wxMax( ev.GetX() - left,
+ WXGRID_MIN_COL_WIDTH );
+ CalcDimensions();
+ ShowCellEditControl();
+ Refresh();
+
+ // Note: we are ending the event *after* doing
+ // default processing in this case
+ //
+ SendEvent( EVT_WXGRID_COL_SIZE, -1, m_dragRowOrCol, ev );
+ }
+ }
+ break;
+
+ case WXGRID_CURSOR_SELECT_CELL:
+ {
+ if ( IsSelection() )
+ {
+ // Note: we are ending the event *after* doing
+ // default processing in this case
+ //
+ SendEvent( EVT_WXGRID_RANGE_SELECT, -1, -1, ev );
+ }
+ }
+ break;
+ }
+
+ m_dragLastPos = -1;
+ }
+ // ------------------------------------------------------------
+ //
+ // Right mouse button down
+ //
+ else if ( ev.RightDown() )
+ {
+ row = -1;
+ col = -1;
+ wxGridCellCoords cellCoords;
+
+ switch( XYToArea( x, y ) )
+ {
+
+ case WXGRID_ROWLABEL:
+ {
+ row = YToRow(y);
+ if ( !SendEvent( EVT_WXGRID_LABEL_RIGHT_CLICK, row, col, ev ) )
+ {
+ // TODO: default processing ?
+ }
+ }
+ break;
+
+ case WXGRID_COLLABEL:
+ {
+ col = XToCol(x);
+ if ( !SendEvent( EVT_WXGRID_LABEL_RIGHT_CLICK, row, col, ev ) )
+ {
+ // TODO: default processing ?
+ }
+ }
+ break;
+
+ case WXGRID_CORNERLABEL:
+ {
+ // leave both row and col as -1
+ //
+ if ( !SendEvent( EVT_WXGRID_LABEL_RIGHT_CLICK, row, col, ev ) )
+ {
+ // TODO: default processing ?
+ }
+ }
+ break;
+
+ case WXGRID_CELL:
+ {
+ XYToCell( x, y, cellCoords );
+ if ( !SendEvent( EVT_WXGRID_CELL_RIGHT_CLICK,
+ cellCoords.GetRow(),
+ cellCoords.GetCol(),
+ ev ) )
+ {
+ // TODO: default processing ?
+ }
+ }
+ break;
+
+ default:
+#if 0
+ wxLogMessage( "outside grid area" );
+#endif
+ break;
+ }
+ }
+ // ------------------------------------------------------------
+ //
+ // Right mouse button double click
+ //
+ else if ( ev.RightDClick() )
+ {
+ row = -1;
+ col = -1;
+ wxGridCellCoords cellCoords;
+
+ switch( XYToArea( x, y ) )
+ {
+
+ case WXGRID_ROWLABEL:
+ {
+ row = YToRow(y);
+ SendEvent( EVT_WXGRID_LABEL_RIGHT_DCLICK, row, col, ev );
+ }
+ break;
+
+ case WXGRID_COLLABEL:
+ {
+ col = XToCol(x);
+ SendEvent( EVT_WXGRID_LABEL_RIGHT_DCLICK, row, col, ev );
+ }
+ break;
+
+ case WXGRID_CORNERLABEL:
+ {
+ // leave both row and col as -1
+ //
+ SendEvent( EVT_WXGRID_LABEL_RIGHT_DCLICK, row, col, ev );
+ }
+ break;
+
+ case WXGRID_CELL:
+ {
+ XYToCell( x, y, cellCoords );
+ SendEvent( EVT_WXGRID_CELL_RIGHT_DCLICK,
+ cellCoords.GetRow(),
+ cellCoords.GetCol(),
+ ev );
+ }
+ break;
+
+ default:
+#if 0
+ wxLogMessage( "outside grid area" );
+#endif
+ break;
+ }
+ }
+ // ------------------------------------------------------------
+ //
+ // No buttons down and mouse moving
+ //
+ else if ( ev.Moving() )
+ {
+ switch( XYToArea( x, y ) )
+ {
+ case WXGRID_ROWLABEL:
+ {
+ m_dragRowOrCol = YToEdgeOfRow( y );
+ if ( m_dragRowOrCol >= 0 )
+ {
+ if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
+ {
+ m_cursorMode = WXGRID_CURSOR_RESIZE_ROW;
+ SetCursor( m_rowResizeCursor );
+ }
+ }
+ else
+ {
+ if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
+ {
+ m_cursorMode = WXGRID_CURSOR_SELECT_CELL;
+ SetCursor( *wxSTANDARD_CURSOR );
+ }
+ }
+ }
+ break;
+
+ case WXGRID_COLLABEL:
+ {
+ m_dragRowOrCol = XToEdgeOfCol( x );
+ if ( m_dragRowOrCol >= 0 )
+ {
+ if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
+ {
+ m_cursorMode = WXGRID_CURSOR_RESIZE_COL;
+ SetCursor( m_colResizeCursor );
+ }
+ }
+ else
+ {
+ if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
+ {
+ m_cursorMode = WXGRID_CURSOR_SELECT_CELL;
+ SetCursor( *wxSTANDARD_CURSOR );
+ }
+ }
+ }
+ break;
+
+ default:
+ {
+ if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
+ {
+ m_cursorMode = WXGRID_CURSOR_SELECT_CELL;
+ SetCursor( *wxSTANDARD_CURSOR );
+ }
+ }
+ break;
+ }
+ }
+}
+
+
+void wxGrid::OnKeyDown( wxKeyEvent& ev )
+{
+ if ( m_inOnKeyDown )
+ {
+ // shouldn't be here - we are going round in circles...
+ //
+ wxLogFatalError( "wxGrid::OnKeyDown called while alread active" );
+ }
+
+ m_inOnKeyDown = TRUE;
+
+ // propagate the event up and see if it gets processed
+ //
+ wxWindow *parent = GetParent();
+ wxKeyEvent keyEvt( ev );
+ keyEvt.SetEventObject( parent );
+
+ if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
+ {
+ // try local handlers
+ //
+ switch ( ev.KeyCode() )
+ {
+ case WXK_UP:
+ if ( ev.ControlDown() )
+ {
+ MoveCursorUpBlock();
+ }
+ else
+ {
+ MoveCursorUp();
+ }
+ break;
+
+ case WXK_DOWN:
+ if ( ev.ControlDown() )
+ {
+ MoveCursorDownBlock();
+ }
+ else
+ {
+ MoveCursorDown();
+ }
+ break;
+
+ case WXK_LEFT:
+ if ( ev.ControlDown() )
+ {
+ MoveCursorLeftBlock();
+ }
+ else
+ {
+ MoveCursorLeft();
+ }
+ break;
+
+ case WXK_RIGHT:
+ if ( ev.ControlDown() )
+ {
+ MoveCursorRightBlock();
+ }
+ else
+ {
+ MoveCursorRight();
+ }
+ break;
+
+ case WXK_RETURN:
+ MoveCursorDown();
+ break;
+
+ case WXK_HOME:
+ if ( ev.ControlDown() )
+ {
+ MakeCellVisible( 0, 0 );
+ SelectCell( 0, 0 );
+ }
+ else
+ {
+ ev.Skip();
+ }
+ break;
+
+ case WXK_END:
+ if ( ev.ControlDown() )
+ {
+ MakeCellVisible( m_numRows-1, m_numCols-1 );
+ SelectCell( m_numRows-1, m_numCols-1 );
+ }
+ else
+ {
+ ev.Skip();
+ }
+ break;
+
+ default:
+ // now try the cell edit control
+ //
+ if ( IsCellEditControlEnabled() )
+ {
+ ev.SetEventObject( m_cellEditCtrl );
+ m_cellEditCtrl->GetEventHandler()->ProcessEvent( ev );
+ }
+ break;
+ }
+ }
+
+ m_inOnKeyDown = FALSE;
+}
+
+
+// Text updated in an edit control - either a text control or a
+// combo box
+//
+void wxGrid::OnText( wxKeyEvent& ev )
+{
+ if ( !m_inOnText )
+ {
+ m_inOnText = TRUE;
+ wxWindow *ctrl = (wxWindow *)ev.GetEventObject();
+
+ if ( ctrl == m_cellEditCtrl &&
+ IsTopEditControlEnabled() )
+ {
+ // set the value of the top edit control
+ //
+ switch ( m_editCtrlType )
+ {
+ case wxGRID_TEXTCTRL:
+ ((wxTextCtrl *)m_topEditCtrl)->
+ SetValue(((wxTextCtrl *)ctrl)->GetValue());
+ break;
+
+ case wxGRID_COMBOBOX:
+ ((wxComboBox *)m_topEditCtrl)->
+ SetValue(((wxComboBox *)ctrl)->GetValue());
+ break;
+ }
+ }
+ else if ( ctrl == m_topEditCtrl &&
+ IsCellEditControlEnabled() )
+ {
+ switch ( m_editCtrlType )
+ {
+ case wxGRID_TEXTCTRL:
+ ((wxTextCtrl *)m_cellEditCtrl)->
+ SetValue(((wxTextCtrl *)ctrl)->GetValue());
+ break;
+
+ case wxGRID_COMBOBOX:
+ ((wxComboBox *)m_cellEditCtrl)->
+ SetValue(((wxComboBox *)ctrl)->GetValue());
+ break;
+ }
+ }
+ }
+
+ m_inOnText = FALSE;
+}
+
+void wxGrid::OnGridScroll( wxScrollEvent& ev )
+{
+ // propagate the event up and see if it gets processed
+ //
+ wxWindow *parent = GetParent();
+ wxScrollEvent scrollEvt( ev );
+ if (parent->GetEventHandler()->ProcessEvent( scrollEvt )) return;
+
+ HideCellEditControl();
+
+ if ( ev.GetEventObject() == m_horizScrollBar )
+ {
+ if ( ev.GetPosition() != m_scrollPosX )
+ {
+ SetHorizontalScrollPos( ev.GetPosition() );
+ }
+ }
+ else
+ {
+ if ( ev.GetPosition() != m_scrollPosY )
+ {
+ SetVerticalScrollPos( ev.GetPosition() );
+ }
+ }
+
+ ShowCellEditControl();
+}
+
+
+void wxGrid::SelectCell( const wxGridCellCoords& coords )
+{
+ wxClientDC dc( this );
+
+ if ( m_currentCellCoords != wxGridNoCellCoords )
+ {
+ HideCurrentCellHighlight( dc );
+ HideCellEditControl();
+ SaveEditControlValue();
+ }
+
+ m_currentCellCoords = coords;
+
+ SetEditControlValue();
+ if ( IsOnScreen() )
+ {
+ ShowCellEditControl();
+ ShowCurrentCellHighlight( dc );
+ }
+
+ if ( IsSelection() )
+ {
+ ClearSelection();
+ if ( !GetBatchCount() ) Refresh();
+ }
+}
+
+
+void wxGrid::ShowCellEditControl()
+{
+ wxRect rect;
+
+ if ( IsCellEditControlEnabled() )
+ {
+ if ( !IsVisible( m_currentCellCoords ) )
+ {
+ return;
+ }
+ else
+ {
+ rect = CellToRect( m_currentCellCoords );
+
+ m_cellEditCtrl->SetSize( rect );
+ m_cellEditCtrl->Show( TRUE );
+
+ switch ( m_editCtrlType )
+ {
+ case wxGRID_TEXTCTRL:
+ ((wxTextCtrl *) m_cellEditCtrl)->SetInsertionPointEnd();
+ break;
+
+ case wxGRID_CHECKBOX:
+ // TODO: anything ???
+ //
+ break;
+
+ case wxGRID_CHOICE:
+ // TODO: anything ???
+ //
+ break;
+
+ case wxGRID_COMBOBOX:
+ // TODO: anything ???
+ //
+ break;
+ }
+
+ // m_cellEditCtrl->SetFocus();
+ }
+ }
+}
+
+
+void wxGrid::HideCellEditControl()
+{
+ if ( IsCellEditControlEnabled() )
+ {
+ m_cellEditCtrl->Show( FALSE );
+ }
+}
+
+void wxGrid::SetEditControlValue( const wxString& value )
+{
+ if ( m_table )
+ {
+ wxString s;
+ s = ( value == wxEmptyString ? GetCellValue(m_currentCellCoords) : value );
+
+ if ( IsTopEditControlEnabled() )
+ {
+ switch ( m_editCtrlType )
+ {
+ case wxGRID_TEXTCTRL:
+ ((wxGridTextCtrl *)m_topEditCtrl)->SetStartValue(s);
+ break;
+
+ case wxGRID_CHECKBOX:
+ // TODO: implement this
+ //
+ break;
+
+ case wxGRID_CHOICE:
+ // TODO: implement this
+ //
+ break;
+
+ case wxGRID_COMBOBOX:
+ // TODO: implement this
+ //
+ break;
+ }
+ }
+
+ if ( IsCellEditControlEnabled() )
+ {
+ switch ( m_editCtrlType )
+ {
+ case wxGRID_TEXTCTRL:
+ ((wxGridTextCtrl *)m_cellEditCtrl)->SetStartValue(s);
+ break;
+
+ case wxGRID_CHECKBOX:
+ // TODO: implement this
+ //
+ break;
+
+ case wxGRID_CHOICE:
+ // TODO: implement this
+ //
+ break;
+
+ case wxGRID_COMBOBOX:
+ // TODO: implement this
+ //
+ break;
+ }
+ }
+ }
+}
+
+void wxGrid::SaveEditControlValue()
+{
+ if ( m_table )
+ {
+ wxWindow *ctrl = (wxWindow *)NULL;
+
+ if ( IsCellEditControlEnabled() )
+ {
+ ctrl = m_cellEditCtrl;
+ }
+ else if ( IsTopEditControlEnabled() )
+ {
+ ctrl = m_topEditCtrl;
+ }
+ else
+ {
+ return;
+ }
+
+ bool valueChanged = FALSE;
+
+ switch ( m_editCtrlType )
+ {
+ case wxGRID_TEXTCTRL:
+ valueChanged = (((wxGridTextCtrl *)ctrl)->GetValue() !=
+ ((wxGridTextCtrl *)ctrl)->GetStartValue());
+ SetCellValue( m_currentCellCoords,
+ ((wxTextCtrl *) ctrl)->GetValue() );
+ break;
+
+ case wxGRID_CHECKBOX:
+ // TODO: implement this
+ //
+ break;
+
+ case wxGRID_CHOICE:
+ // TODO: implement this
+ //
+ break;
+
+ case wxGRID_COMBOBOX:
+ // TODO: implement this
+ //
+ break;
+ }
+
+ if ( valueChanged )
+ {
+ SendEvent( EVT_WXGRID_CELL_CHANGE,
+ m_currentCellCoords.GetRow(),
+ m_currentCellCoords.GetCol() );
+ }
+ }
+}
+
+
+int wxGrid::XYToArea( int x, int y )
+{
+ if ( x > m_left && x < m_right &&
+ y > m_top && y < m_bottom )
+ {
+ if ( y < m_top + m_colLabelHeight )
+ {
+ if ( x > m_left + m_rowLabelWidth )
+ {
+ return WXGRID_COLLABEL;
+ }
+ else
+ {
+ return WXGRID_CORNERLABEL;
+ }
+ }
+ else if ( x <= m_left + m_rowLabelWidth )
+ {
+ return WXGRID_ROWLABEL;
+ }
+ else
+ {
+ return WXGRID_CELL;
+ }
+ }
+
+ return WXGRID_NOAREA;
+}
+
+
+void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
+{
+ coords.SetRow( YToRow(y) );
+ coords.SetCol( XToCol(x) );
+}
+
+
+int wxGrid::YToRow( int y )
+{
+ int i;
+
+ if ( y > m_top + m_colLabelHeight )
+ {
+ for ( i = m_scrollPosY; i < m_numRows; i++ )
+ {
+ if ( y < m_rowBottoms[i] )
+ {
+ return i;
+ }
+ }
+ }
+
+ return -1;
+}
+
+
+int wxGrid::XToCol( int x )
+{
+ int i;
+
+ if ( x > m_left + m_rowLabelWidth )
+ {
+ for ( i = m_scrollPosX; i < m_numCols; i++ )
+ {
+ if ( x < m_colRights[i] )
+ {
+ return i;
+ }
+ }
+ }
+
+ return -1;
+}
+
+
+// return the row number that that the y coord is near the edge of, or
+// -1 if not near an edge
+//
+int wxGrid::YToEdgeOfRow( int y )
+{
+ int i, d;
+
+ if ( y > m_top + m_colLabelHeight )
+ {
+ for ( i = m_scrollPosY; i < m_numRows; i++ )
+ {
+ if ( m_rowHeights[i] > WXGRID_LABEL_EDGE_ZONE )
+ {
+ d = abs( y - m_rowBottoms[i] );
+ {
+ if ( d < WXGRID_LABEL_EDGE_ZONE ) return i;
+ }
+ }
+ }
+ }
+
+ return -1;
+
+}
+
+
+// return the col number that that the x coord is near the edge of, or
+// -1 if not near an edge
+//
+int wxGrid::XToEdgeOfCol( int x )
+{
+ int i, d;
+
+ if ( x > m_left + m_rowLabelWidth )
+ {
+ for ( i = m_scrollPosX; i < m_numCols; i++ )
+ {
+ if ( m_colWidths[i] > WXGRID_LABEL_EDGE_ZONE )
+ {
+ d = abs( x - m_colRights[i] );
+ {
+ if ( d < WXGRID_LABEL_EDGE_ZONE ) return i;
+ }
+ }
+ }
+ }
+
+ return -1;
+
+}
+
+
+wxRect wxGrid::CellToRect( int row, int col )
+{
+ wxRect rect( -1, -1, -1, -1 );
+
+ if ( row >= m_scrollPosY && col >= m_scrollPosX )
+ {
+ rect.x = m_colRights[col] - m_colWidths[col];
+ rect.y = m_rowBottoms[row] - m_rowHeights[row];
+ rect.width = m_colWidths[col];
+ rect.height = m_rowHeights[ row ];
+ }
+
+ return rect;
+}
+
+
+bool wxGrid::MoveCursorUp()
+{
+ if ( m_currentCellCoords != wxGridNoCellCoords &&
+ m_currentCellCoords.GetRow() > 0 )
+ {
+ SelectCell( m_currentCellCoords.GetRow() - 1,
+ m_currentCellCoords.GetCol() );
+
+ if ( !IsVisible( m_currentCellCoords ) )
+ MakeCellVisible( m_currentCellCoords );
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+bool wxGrid::MoveCursorDown()
+{
+ // TODO: allow for scrolling
+ //
+ if ( m_currentCellCoords != wxGridNoCellCoords &&
+ m_currentCellCoords.GetRow() < m_numRows-1 )
+ {
+ SelectCell( m_currentCellCoords.GetRow() + 1,
+ m_currentCellCoords.GetCol() );
+
+ if ( !IsVisible( m_currentCellCoords ) )
+ MakeCellVisible( m_currentCellCoords );
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+bool wxGrid::MoveCursorLeft()
+{
+ if ( m_currentCellCoords != wxGridNoCellCoords &&
+ m_currentCellCoords.GetCol() > 0 )
+ {
+ SelectCell( m_currentCellCoords.GetRow(),
+ m_currentCellCoords.GetCol() - 1 );
+
+ if ( !IsVisible( m_currentCellCoords ) )
+ MakeCellVisible( m_currentCellCoords );
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+bool wxGrid::MoveCursorRight()
+{
+ if ( m_currentCellCoords != wxGridNoCellCoords &&
+ m_currentCellCoords.GetCol() < m_numCols - 1 )
+ {
+ SelectCell( m_currentCellCoords.GetRow(),
+ m_currentCellCoords.GetCol() + 1 );
+
+ if ( !IsVisible( m_currentCellCoords ) )
+ MakeCellVisible( m_currentCellCoords );
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+bool wxGrid::MoveCursorUpBlock()
+{
+ 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;
+ }
+ }
+ }
+
+ SelectCell( row, col );
+
+ if ( !IsVisible( m_currentCellCoords ) )
+ MakeCellVisible( m_currentCellCoords );
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+bool wxGrid::MoveCursorDownBlock()
+{
+ if ( m_table &&
+ m_currentCellCoords != wxGridNoCellCoords &&
+ m_currentCellCoords.GetRow() < m_numRows-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 ( 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;
+ }
+ }
+ else
+ {
+ // starting within a block: find the bottom of the block
+ //
+ while ( row < m_numRows-1 )
+ {
+ row++ ;
+ if ( m_table->IsEmptyCell(row, col) )
+ {
+ row-- ;
+ break;
+ }
+ }
+ }
+
+ SelectCell( row, col );
+
+ if ( !IsVisible( m_currentCellCoords ) )
+ MakeCellVisible( m_currentCellCoords );
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+bool wxGrid::MoveCursorLeftBlock()
+{
+ 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;
+ }
+ }
+ }
+
+ SelectCell( row, col );
+
+ if ( !IsVisible( m_currentCellCoords ) )
+ MakeCellVisible( m_currentCellCoords );
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+bool wxGrid::MoveCursorRightBlock()
+{
+ 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;
+ }
+ }
+ }
+
+ SelectCell( row, col );
+
+ if ( !IsVisible( m_currentCellCoords ) )
+ MakeCellVisible( m_currentCellCoords );
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+
+
+//
+// ----- grid drawing functions
+//
+
+void wxGrid::DrawLabelAreas( wxDC& dc )
+{
+ int cw, ch;
+ GetClientSize(&cw, &ch);
+
+ dc.SetPen(*wxTRANSPARENT_PEN);
+ dc.SetBrush( wxBrush(GetLabelBackgroundColour(), wxSOLID) );
+
+ dc.DrawRectangle( m_left, m_top,
+ cw - m_left, m_colLabelHeight );
+
+ dc.DrawRectangle( m_left, m_top,
+ m_rowLabelWidth, ch - m_top );
+}
+
+
+void wxGrid::DrawColLabels( wxDC& dc )
+{
+ int cw, ch;
+ GetClientSize(&cw, &ch);
+
+ if (m_colLabelHeight == 0) return;
+
+ DrawColLabelBorders( dc );
+
+ wxRect rect;
+ rect.y = m_top + 1;
+ rect.height = m_colLabelHeight - 1;
+
+ int labelLeft = m_left + m_rowLabelWidth;
+ int i;
+
+ for ( i = m_scrollPosX; i < m_numCols; i++ )
+ {
+ if ( labelLeft > cw) break;
+
+ rect.x = 1 + labelLeft;
+ rect.width = m_colWidths[i];
+ DrawColLabel( dc, rect, i );
+
+ labelLeft += m_colWidths[i];
+ }
+}
+
+
+void wxGrid::DrawColLabelBorders( wxDC& dc )
+{
+ if ( m_colLabelHeight <= 0 ) return;
+
+ int i;
+ int cw, ch;
+ GetClientSize( &cw, &ch );
+
+ dc.SetPen( *wxBLACK_PEN );
+
+ // horizontal lines
+ //
+ dc.DrawLine( m_left, m_top, cw, m_top );
+
+ dc.DrawLine( m_left, m_top + m_colLabelHeight,
+ cw, m_top + m_colLabelHeight );
+
+ // vertical lines
+ //
+ int colLeft = m_left + m_rowLabelWidth;
+ for ( i = m_scrollPosX; i <= m_numCols; i++ )
+ {
+ if (colLeft > cw) break;
+
+ dc.DrawLine( colLeft, m_top,
+ colLeft, m_top + m_colLabelHeight);
+
+ if ( i < m_numCols ) colLeft += m_colWidths[i];
+ }
+
+ // Draw white highlights for a 3d effect
+ //
+ dc.SetPen( *wxWHITE_PEN );
+
+ colLeft = m_left + m_rowLabelWidth;
+ for ( i = m_scrollPosX; i < m_numCols; i++ )
+ {
+ if (colLeft > cw) break;
+
+ dc.DrawLine(colLeft + 1, m_top + 1,
+ colLeft + m_colWidths[i], m_top + 1);
+
+ dc.DrawLine(colLeft + 1, m_top + 1,
+ colLeft + 1, m_top + m_colLabelHeight);
+
+ colLeft += m_colWidths[i];
+ }
+}
+
+
+void wxGrid::DrawColLabel( wxDC& dc, const wxRect& rect, int col )
+{
+ wxRect rect2;
+ rect2 = rect;
+ rect2.x += 3;
+ rect2.y += 2;
+ rect2.width -= 5;
+ rect2.height -= 4;
+
+ dc.SetBackgroundMode( wxTRANSPARENT );
+ dc.SetTextBackground( GetLabelBackgroundColour() );
+ dc.SetTextForeground( GetLabelTextColour() );
+ dc.SetFont( GetLabelFont() );
+
+ int hAlign, vAlign;
+ GetColLabelAlignment( &hAlign, &vAlign );
+ DrawTextRectangle( dc, GetColLabelValue( col ), rect2, hAlign, vAlign );
+}
+
+
+void wxGrid::DrawRowLabels( wxDC& dc )
+{
+ int cw, ch;
+ GetClientSize(&cw, &ch);
+
+ if (m_rowLabelWidth == 0) return;
+
+ DrawRowLabelBorders( dc );
+
+ wxRect rect;
+ rect.x = m_left + 1;
+ rect.width = m_rowLabelWidth - 1;
+
+ int labelTop = m_top + m_colLabelHeight;
+ int i;
+
+ for ( i = m_scrollPosY; i < m_numRows; i++ )
+ {
+ if ( labelTop > ch ) break;
+
+ rect.y = 1 + labelTop;
+ rect.height = m_rowHeights[i];
+ DrawRowLabel( dc, rect, i );
+
+ labelTop += m_rowHeights[i];
+ }
+}
+
+
+void wxGrid::DrawRowLabelBorders( wxDC& dc )
+{
+ if ( m_rowLabelWidth <= 0 ) return;
+
+ int i;
+ int cw, ch;
+ GetClientSize( &cw, &ch );
+
+ dc.SetPen( *wxBLACK_PEN );
+
+ // vertical lines
+ //
+ dc.DrawLine( m_left, m_top, m_left, ch );
+
+ dc.DrawLine( m_left + m_rowLabelWidth, m_top,
+ m_left + m_rowLabelWidth, ch );
+
+ // horizontal lines
+ //
+ int rowTop = m_top + m_colLabelHeight;
+ for ( i = m_scrollPosY; i <= m_numRows; i++ )
+ {
+ if ( rowTop > ch ) break;
+
+ dc.DrawLine( m_left, rowTop,
+ m_left + m_rowLabelWidth, rowTop );
+
+ if ( i < m_numRows ) rowTop += m_rowHeights[i];
+ }
+
+ // Draw white highlights for a 3d effect
+ //
+ dc.SetPen( *wxWHITE_PEN );
+
+ rowTop = m_top + m_colLabelHeight;
+ for ( i = m_scrollPosY; i < m_numRows; i++ )
+ {
+ if ( rowTop > ch ) break;
+
+ dc.DrawLine( m_left + 1, rowTop + 1,
+ m_left + m_rowLabelWidth, rowTop + 1 );
+
+ dc.DrawLine( m_left + 1, rowTop + 1,
+ m_left + 1, rowTop + m_rowHeights[i] );
+
+ rowTop += m_rowHeights[i];
+ }
+}
+
+
+void wxGrid::DrawRowLabel( wxDC& dc, const wxRect& rect, int row )
+{
+ wxRect rect2;
+ rect2 = rect;
+ rect2.x += 3;
+ rect2.y += 2;
+ rect2.width -= 5;
+ rect2.height -= 4;
+
+ dc.SetBackgroundMode( wxTRANSPARENT );
+ dc.SetTextBackground( GetLabelBackgroundColour() );
+ dc.SetTextForeground( GetLabelTextColour() );
+ dc.SetFont( GetLabelFont() );
+
+ int hAlign, vAlign;
+ GetRowLabelAlignment( &hAlign, &vAlign );
+ DrawTextRectangle( dc, GetRowLabelValue( row ), rect2, hAlign, vAlign );
+}
+
+
+void wxGrid::DrawCellArea( wxDC& dc )
+{
+ int cw, ch;
+ GetClientSize(&cw, &ch);
+
+ dc.SetPen( *wxTRANSPARENT_PEN );
+ dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
+
+ int left = m_left + m_rowLabelWidth + 1;
+ int top = m_top + m_colLabelHeight + 1;
+
+ dc.DrawRectangle( left, top, cw - left, ch - top );
+}
+
+
+void wxGrid::DrawGridLines( wxDC& dc )
+{
+ if ( !m_gridLinesEnabled || !m_numRows || !m_numCols ) return;
+
+ int i;
+ int cw, ch;
+ GetClientSize(&cw, &ch);
+
+ dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
+
+ // horizontal grid lines
+ //
+ int rowTop = m_top + m_colLabelHeight + m_rowHeights[m_scrollPosY];
+ for ( i = m_scrollPosY + 1; i <= m_numRows; i++ )
+ {
+ if ( rowTop > ch ) break;
+
+ dc.DrawLine( m_left + m_rowLabelWidth + 1, rowTop,
+ m_right, rowTop);
+
+ if ( i < m_numRows ) rowTop += m_rowHeights[i];
+ }
+
+
+ // vertical grid lines
+ //
+ int colLeft = m_left + m_rowLabelWidth + m_colWidths[m_scrollPosX];
+ for ( i = m_scrollPosX + 1; i <= m_numCols; i++ )
+ {
+ if ( colLeft > cw ) break;
+
+ dc.DrawLine( colLeft, m_top + m_colLabelHeight + 1,
+ colLeft, m_bottom );
+
+ if ( i < m_numCols ) colLeft += m_colWidths[i];
+ }
+}
+
+
+void wxGrid::DrawCells( wxDC& dc )
+{
+ if ( !m_numRows || !m_numCols ) return;
+
+ int row, col;
+
+ int cw, ch;
+ GetClientSize( &cw, &ch );
+
+ wxRect rect;
+
+ if ( m_table )
+ {
+ rect.y = m_top + m_colLabelHeight;
+ for ( row = m_scrollPosY; row < m_numRows; row++ )
+ {
+ if ( rect.y > ch ) break;
+
+ rect.height = m_rowHeights[ row ];
+ rect.x = m_left + m_rowLabelWidth;
+
+ for ( col = m_scrollPosX; col < m_numCols; col++ )
+ {
+ if ( rect.x > cw ) break;
+
+ rect.width = m_colWidths[col];
+ DrawCellBackground( dc, rect, row, col );
+ DrawCellValue( dc, rect, row, col );
+ rect.x += rect.width;
+ }
+ rect.y += rect.height;
+ }
+ }
+}
+
+
+void wxGrid::DrawCellBackground( wxDC& dc, const wxRect& rect, int row, int col )
+{
+ wxRect rect2;
+ rect2 = rect;
+ rect2.x += 1;
+ rect2.y += 1;
+ rect2.width -= 2;
+ rect2.height -= 2;
+
+ dc.SetBackgroundMode( wxSOLID );
+
+ if ( IsInSelection( row, col ) )
+ {
+ // TODO: improve this
+ //
+ dc.SetBrush( *wxBLACK_BRUSH );
+ }
+ else
+ {
+ dc.SetBrush( wxBrush(GetCellBackgroundColour(row, col), wxSOLID) );
+ }
+ dc.SetPen( *wxTRANSPARENT_PEN );
+ dc.DrawRectangle( rect2 );
+}
+
+
+void wxGrid::DrawCellValue( wxDC& dc, const wxRect& rect, int row, int col )
+{
+ wxRect rect2;
+ rect2 = rect;
+ rect2.x += 3;
+ rect2.y += 2;
+ rect2.width -= 5;
+ rect2.height -= 4;
+
+ dc.SetBackgroundMode( wxTRANSPARENT );
+
+ if ( IsInSelection( row, col ) )
+ {
+ // TODO: improve this
+ //
+ dc.SetTextBackground( wxColour(0, 0, 0) );
+ dc.SetTextForeground( wxColour(255, 255, 255) );
+ }
+ else
+ {
+ dc.SetTextBackground( GetCellBackgroundColour(row, col) );
+ dc.SetTextForeground( GetCellTextColour(row, col) );
+ }
+ dc.SetFont( GetCellFont(row, col) );
+
+ int hAlign, vAlign;
+ GetCellAlignment( row, col, &hAlign, &vAlign );
+ DrawTextRectangle( dc, GetCellValue( row, col ), rect2, hAlign, vAlign );
+}
+
+
+void wxGrid::DrawCellHighlight( wxDC& dc, int row, int col )
+{
+ // TODO: bounds checking on row, col ?
+ //
+
+ if ( row >= m_scrollPosY && col >= m_scrollPosX )
+ {
+ long x, y;
+
+ int cw, ch;
+ GetClientSize( &cw, &ch );
+
+ x = m_colRights[col] - m_colWidths[col];
+ if ( x >= cw ) return;
+
+ y = m_rowBottoms[row] - m_rowHeights[row];
+ if ( y >= ch ) return;
+
+ dc.SetLogicalFunction( wxXOR );
+ dc.SetPen( wxPen(GetCellHighlightColour(), 2, wxSOLID) );
+ dc.SetBrush( *wxTRANSPARENT_BRUSH );
+
+ dc.DrawRectangle( x, y,
+ m_colWidths[col] + 2,
+ m_rowHeights[row] + 2 );
+
+ dc.SetLogicalFunction( wxCOPY );
+ }
+}
+
+
+// This function is handy when you just want to update one or a few
+// cells. For example, it is used by SetCellValue()
+//
+void wxGrid::DrawCell( int row, int col )
+{
+ if ( !GetBatchCount() )
+ {
+ if ( !IsVisible( wxGridCellCoords(row, col) ) ) return;
+
+ int cw, ch;
+ GetClientSize( &cw, &ch );
+
+ wxRect rect( CellToRect( row, col ) );
+
+ if ( m_table )
+ {
+ wxClientDC dc( this );
+ DrawCellBackground( dc, rect, row, col );
+ DrawCellValue( dc, rect, row, col );
+ }
+ }
+}
+
+
+// this is just to make other code more obvious
+//
+void wxGrid::HideCurrentCellHighlight( wxDC& dc )
+{
+ if ( m_currentCellHighlighted &&
+ m_currentCellCoords != wxGridNoCellCoords )
+ {
+ DrawCellHighlight( dc, m_currentCellCoords );
+ m_currentCellHighlighted = FALSE;
+ }
+}
+
+
+// this is just to make other code more obvious
+//
+void wxGrid::ShowCurrentCellHighlight( wxDC& dc )
+{
+ if ( !m_currentCellHighlighted &&
+ m_currentCellCoords != wxGridNoCellCoords )
+ {
+ DrawCellHighlight( dc, m_currentCellCoords );
+ m_currentCellHighlighted = TRUE;
+ }
+}
+
+
+void wxGrid::DrawTextRectangle( wxDC& dc,
+ const wxString& value,
+ const wxRect& rect,
+ int horizAlign,
+ int vertAlign )
+{
+ int i;
+ long textWidth, textHeight;
+ long lineWidth, lineHeight;
+ wxArrayString lines;
+
+ // see if we are already clipping
+ //
+ wxRect clipRect;
+ dc.GetClippingBox( clipRect );
+
+ bool alreadyClipping = TRUE;
+ wxRect intersectRect;
+
+ if ( clipRect.x == 0 && clipRect.y == 0 &&
+ clipRect.width == 0 && clipRect.height == 0)
+ {
+ alreadyClipping = FALSE;
+ intersectRect = rect;
+ }
+ else
+ {
+ // Find the intersection of the clipping rectangle and our
+ // rectangle
+ //
+ wxRegion region( rect );
+ region.Intersect( clipRect );
+ if ( region.IsEmpty() )
+ {
+ // nothing to do
+ //
+ return;
+ }
+ intersectRect = region.GetBox();
+ }
+
+ if ( alreadyClipping ) dc.DestroyClippingRegion();
+
+ dc.SetClippingRegion( intersectRect );
+
+ StringToLines( value, lines );
+ if ( lines.GetCount() )
+ {
+ GetTextBoxSize( dc, lines, &textWidth, &textHeight );
+ dc.GetTextExtent( lines[0], &lineWidth, &lineHeight );
+
+ float x, y;
+ switch ( horizAlign )
+ {
+ case wxRIGHT:
+ x = rect.x + (rect.width - textWidth - 1.0);
+ break;
+
+ case wxCENTRE:
+ x = rect.x + ((rect.width - textWidth)/2.0);
+ break;
+
+ case wxLEFT:
+ default:
+ x = rect.x + 1.0;
+ break;
+ }
+
+ switch ( vertAlign )
+ {
+ case wxBOTTOM:
+ y = rect.y + (rect.height - textHeight - 1);
+ break;
+
+ case wxCENTRE:
+ y = rect.y + ((rect.height - textHeight)/2.0);
+ break;
+
+ case wxTOP:
+ default:
+ y = rect.y + 1.0;
+ break;
+ }
+
+ for ( i = 0; i < lines.GetCount(); i++ )
+ {
+ dc.DrawText( lines[i], (long)x, (long)y );
+ y += lineHeight;
+ }
+ }
+
+ dc.DestroyClippingRegion();
+ if (alreadyClipping) dc.SetClippingRegion( clipRect );
+}
+
+
+// Split multi line text up into an array of strings. Any existing
+// contents of the string array are preserved.
+//
+void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
+{
+ // TODO: this won't work for WXMAC ? (lines end with '\r')
+ //
+ int startPos = 0;
+ int pos;
+ while ( startPos < value.Length() )
+ {
+ pos = value.Mid(startPos).Find( '\n' );
+ if ( pos < 0 )
+ {
+ break;
+ }
+ else if ( pos == 0 )
+ {
+ lines.Add( wxEmptyString );
+ }
+ else
+ {
+ if ( value[startPos+pos-1] == '\r' )
+ {
+ lines.Add( value.Mid(startPos, pos-1) );
+ }
+ else
+ {
+ lines.Add( value.Mid(startPos, pos) );
+ }
+ }
+ startPos += pos+1;
+ }
+ if ( startPos < value.Length() )
+ {
+ lines.Add( value.Mid( startPos ) );
+ }
+}
+
+
+void wxGrid::GetTextBoxSize( wxDC& dc,
+ wxArrayString& lines,
+ long *width, long *height )
+{
+ long w = 0;
+ long h = 0;
+ long lineW, lineH;
+
+ int i;
+ for ( i = 0; i < lines.GetCount(); i++ )
+ {
+ dc.GetTextExtent( lines[i], &lineW, &lineH );
+ w = wxMax( w, lineW );
+ h += lineH;
+ }
+
+ *width = w;
+ *height = h;
+}
+
+
+//
+// ------ functions to get/send data (see also public functions)
+//
+
+bool wxGrid::GetModelValues()
+{
+ if ( m_table )
+ {
+ // all we need to do is repaint the grid
+ //
+ Refresh();
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+
+bool wxGrid::SetModelValues()
+{
+ int row, col;
+
+ if ( m_table )
+ {
+ for ( row = m_scrollPosY; row < m_numRows; row++ )
+ {
+ for ( col = m_scrollPosX; col < m_numCols; col++ )
+ {
+ m_table->SetValue( row, col, GetCellValue(row, col) );
+ }
+ }
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+
+//
+// ------ public functions
+//
+
+bool wxGrid::CreateGrid( int numRows, int numCols )
+{
+ if ( m_created )
+ {
+ wxLogError( "wxGrid::CreateGrid(numRows, numCols) called more than once" );
+ return FALSE;
+ }
+ else
+ {
+ m_numRows = numRows;
+ m_numCols = numCols;
+
+ m_table = new wxGridStringTable( m_numRows, m_numCols );
+ m_table->SetView( this );
+ Init();
+ m_created = TRUE;
+ }
+
+ return m_created;
+}
+
+
+// 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
+// not to change the number of rows or cols.
+//
+void wxGrid::ClearGrid()
+{
+ if ( m_table )
+ {
+ m_table->Clear();
+ SetEditControlValue();
+ if ( !GetBatchCount() ) Refresh();
+ }
+}
+
+
+bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
+{
+ // TODO: something with updateLabels flag
+
+ if ( !m_created )
+ {
+ wxLogError( "Called wxGrid::InsertRows() before calling CreateGrid()" );
+ return FALSE;
+ }
+
+ if ( m_table )
+ {
+ bool ok = m_table->InsertRows( pos, numRows );
+
+ // the table will have sent the results of the insert row
+ // operation to this view object as a grid table message
+ //
+ if ( ok )
+ {
+ if ( !GetBatchCount() ) Refresh();
+ }
+ SetEditControlValue();
+ return ok;
+ }
+ else
+ {
+ return FALSE;
+ }
+}
+
+bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
+{
+ // TODO: something with updateLabels flag
+
+ if ( !m_created )
+ {
+ wxLogError( "Called wxGrid::AppendRows() before calling CreateGrid()" );
+ return FALSE;
+ }
+
+ if ( m_table && m_table->AppendRows( numRows ) )
+ {
+ // the table will have sent the results of the append row
+ // operation to this view object as a grid table message
+ //
+ if ( !GetBatchCount() ) Refresh();
+ return TRUE;
+ }
+ else
+ {
+ return FALSE;
+ }
+}
+
+bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
+{
+ // TODO: something with updateLabels flag
+
+ if ( !m_created )
+ {
+ wxLogError( "Called wxGrid::DeleteRows() before calling CreateGrid()" );
+ return FALSE;
+ }
+
+ if ( m_table && m_table->DeleteRows( pos, numRows ) )
+ {
+ // the table will have sent the results of the delete row
+ // operation to this view object as a grid table message
+ //
+ if ( m_numRows > 0 )
+ SetEditControlValue();
+ else
+ HideCellEditControl();
+
+ if ( !GetBatchCount() ) Refresh();
+ return TRUE;
+ }
+ else
+ {
+ return FALSE;
+ }
+}
+
+bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
+{
+ // TODO: something with updateLabels flag
+
+ if ( !m_created )
+ {
+ wxLogError( "Called wxGrid::InsertCols() before calling CreateGrid()" );
+ return FALSE;
+ }
+
+ if ( m_table )
+ {
+ HideCellEditControl();
+ bool ok = m_table->InsertCols( pos, numCols );
+ if ( ok )
+ {
+ // the table will have sent the results of the insert col
+ // operation to this view object as a grid table message
+ //
+ if ( !GetBatchCount() ) Refresh();
+ }
+ SetEditControlValue();
+ return ok;
+ }
+ else
+ {
+ return FALSE;
+ }
+}
+
+bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
+{
+ // TODO: something with updateLabels flag
+
+ if ( !m_created )
+ {
+ wxLogError( "Called wxGrid::AppendCols() before calling CreateGrid()" );
+ return FALSE;
+ }
+
+ if ( m_table && m_table->AppendCols( numCols ) )
+ {
+ // the table will have sent the results of the append col
+ // operation to this view object as a grid table message
+ //
+ if ( !GetBatchCount() ) Refresh();
+ return TRUE;
+ }
+ else
+ {
+ return FALSE;
+ }
+}
+
+bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
+{
+ // TODO: something with updateLabels flag
+
+ if ( !m_created )
+ {
+ wxLogError( "Called wxGrid::DeleteCols() before calling CreateGrid()" );
+ return FALSE;
+ }
+
+ if ( m_table && m_table->DeleteCols( pos, numCols ) )
+ {
+ // the table will have sent the results of the delete col
+ // operation to this view object as a grid table message
+ //
+ if ( m_numCols > 0 )
+ SetEditControlValue();
+ else
+ HideCellEditControl();
+
+ if ( !GetBatchCount() ) Refresh();
+ return TRUE;
+ }
+ else
+ {
+ return FALSE;
+ }
+}
+
+
+
+
+// ------ control panel and cell edit control
+//
+
+void wxGrid::EnableEditing( bool edit )
+{
+ // TODO: improve this ?
+ //
+ if ( edit != m_editable )
+ {
+ m_editable = edit;
+ if ( !m_editable ) HideCellEditControl();
+ m_topEditCtrlEnabled = m_editable;
+ m_cellEditCtrlEnabled = m_editable;
+ if ( !m_editable ) ShowCellEditControl();
+ }
+}
+
+
+void wxGrid::EnableTopEditControl( bool enable )
+{
+ if ( enable != m_topEditCtrlEnabled )
+ {
+ HideCellEditControl();
+ m_topEditCtrlEnabled = enable;
+ CalcDimensions();
+ m_topEditCtrl->Show( enable );
+
+ if ( m_currentCellCoords != wxGridNoCellCoords )
+ SetEditControlValue();
+
+ ShowCellEditControl();
+ if ( !GetBatchCount() ) Refresh();
+ }
+}
+
+void wxGrid::EnableCellEditControl( bool enable )
+{
+ if ( m_cellEditCtrl &&
+ enable != m_cellEditCtrlEnabled )
+ {
+ HideCellEditControl();
+ SaveEditControlValue();
+
+ m_cellEditCtrlEnabled = enable;
+
+ SetEditControlValue();
+ ShowCellEditControl();
+ }
+}
+
+
+//
+// ------ grid formatting functions
+//
+
+void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
+{
+ *horiz = m_rowLabelHorizAlign;
+ *vert = m_rowLabelVertAlign;
+}
+
+void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
+{
+ *horiz = m_colLabelHorizAlign;
+ *vert = m_colLabelVertAlign;
+}
+
+wxString wxGrid::GetRowLabelValue( int row )
+{
+ if ( m_table )
+ {
+ return m_table->GetRowLabelValue( row );
+ }
+ else
+ {
+ wxString s;
+ s << row;
+ return s;
+ }
+}
+
+wxString wxGrid::GetColLabelValue( int col )
+{
+ if ( m_table )
+ {
+ return m_table->GetColLabelValue( col );
+ }
+ else
+ {
+ wxString s;
+ s << col;
+ return s;
+ }
+}
+
+void wxGrid::SetRowLabelSize( int width )
+{
+ m_rowLabelWidth = wxMax( 0, width );
+ CalcDimensions();
+ ShowCellEditControl();
+ if ( !GetBatchCount() ) Refresh();
+}
+
+void wxGrid::SetColLabelSize( int height )
+{
+ m_colLabelHeight = wxMax( 0, height );
+ CalcDimensions();
+ ShowCellEditControl();
+ if ( !GetBatchCount() ) Refresh();
+}
+
+void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
+{
+ m_labelBackgroundColour = colour;
+ if ( !GetBatchCount() ) Refresh();
+}
+
+void wxGrid::SetLabelTextColour( const wxColour& colour )
+{
+ m_labelTextColour = colour;
+ if ( !GetBatchCount() ) Refresh();
+}
+
+void wxGrid::SetLabelFont( const wxFont& font )
+{
+ m_labelFont = font;
+ if ( !GetBatchCount() ) Refresh();
+}
+
+void wxGrid::SetRowLabelAlignment( int horiz, int vert )
+{
+ if ( horiz == wxLEFT || horiz == wxCENTRE || horiz == wxRIGHT )
+ {
+ m_rowLabelHorizAlign = horiz;
+ }
+
+ if ( vert == wxTOP || vert == wxCENTRE || vert == wxBOTTOM )
+ {
+ m_rowLabelVertAlign = vert;
+ }
+
+ if ( !GetBatchCount() ) Refresh();
+}
+
+void wxGrid::SetColLabelAlignment( int horiz, int vert )
+{
+ if ( horiz == wxLEFT || horiz == wxCENTRE || horiz == wxRIGHT )
+ {
+ m_colLabelHorizAlign = horiz;
+ }
+
+ if ( vert == wxTOP || vert == wxCENTRE || vert == wxBOTTOM )
+ {
+ m_colLabelVertAlign = vert;
+ }
+
+ if ( !GetBatchCount() ) Refresh();
+}
+
+void wxGrid::SetRowLabelValue( int row, const wxString& s )
+{
+ if ( m_table )
+ {
+ m_table->SetRowLabelValue( row, s );
+ if ( !GetBatchCount() ) Refresh();
+ }
+}
+
+void wxGrid::SetColLabelValue( int col, const wxString& s )
+{
+ if ( m_table )
+ {
+ m_table->SetColLabelValue( col, s );
+ if ( !GetBatchCount() ) Refresh();
+ }
+}
+
+void wxGrid::SetGridLineColour( const wxColour& colour )
+{
+ m_gridLineColour = colour;
+
+ wxClientDC dc( this );
+ DrawGridLines( dc );
+}
+
+void wxGrid::EnableGridLines( bool enable )
+{
+ if ( enable != m_gridLinesEnabled )
+ {
+ m_gridLinesEnabled = enable;
+ if ( !GetBatchCount() ) Refresh();
+ }
+}
+
+
+int wxGrid::GetDefaultRowSize()
+{
+ return m_defaultRowHeight;
+}
+
+int wxGrid::GetRowSize( int row )
+{
+ if ( row >= 0 && row < m_numRows )
+ return m_rowHeights[row];
+ else
+ return 0; // TODO: log an error here
+}
+
+int wxGrid::GetDefaultColSize()
+{
+ return m_defaultColWidth;
+}
+
+int wxGrid::GetColSize( int col )
+{
+ if ( col >= 0 && col < m_numCols )
+ return m_colWidths[col];
+ else
+ return 0; // TODO: log an error here
+}
+
+wxColour wxGrid::GetDefaultCellBackgroundColour()
+{
+ // TODO: replace this temp test code
+ //
+ return wxColour( 255, 255, 255 );
+}
+
+wxColour wxGrid::GetCellBackgroundColour( int row, int col )
+{
+ // TODO: replace this temp test code
+ //
+ return wxColour( 255, 255, 255 );
+}
+
+wxColour wxGrid::GetDefaultCellTextColour()
+{
+ // TODO: replace this temp test code
+ //
+ return wxColour( 0, 0, 0 );
+}
+
+wxColour wxGrid::GetCellTextColour( int row, int col )
+{
+ // TODO: replace this temp test code
+ //
+ return wxColour( 0, 0, 0 );
+}
+
+
+wxColour wxGrid::GetCellHighlightColour()
+{
+ // TODO: replace this temp test code
+ //
+ return wxColour( 0, 0, 0 );
+}
+
+
+wxFont wxGrid::GetDefaultCellFont()
+{
+ return m_defaultCellFont;
+}
+
+wxFont wxGrid::GetCellFont( int row, int col )
+{
+ // TODO: replace this temp test code
+ //
+ return m_defaultCellFont;
+}
+
+void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
+{
+ // TODO: replace this temp test code
+ //
+ *horiz = wxLEFT;
+ *vert = wxTOP;
+}
+
+void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
+{
+ // TODO: replace this temp test code
+ //
+ *horiz = wxLEFT;
+ *vert = wxTOP;
+}
+
+void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
+{
+ m_defaultRowHeight = wxMax( height, WXGRID_MIN_ROW_HEIGHT );
+
+ if ( resizeExistingRows )
+ {
+ // TODO: what do we do about events here ?
+ // Generate an event for each resize ?
+ //
+ int row;
+ for ( row = 0; row < m_numRows; row++ )
+ {
+ m_rowHeights[row] = m_defaultRowHeight;
+ }
+ CalcDimensions();
+ if ( !GetBatchCount() ) Refresh();
+ }
+}
+
+void wxGrid::SetRowSize( int row, int height )
+{
+ if ( row >= 0 && row < m_numRows )
+ {
+ m_rowHeights[row] = wxMax( 0, height );
+ CalcDimensions();
+ if ( !GetBatchCount() ) Refresh();
+
+ // Note: we are ending the event *after* doing
+ // default processing in this case
+ //
+ SendEvent( EVT_WXGRID_ROW_SIZE,
+ row, -1 );
+ }
+ else
+ {
+ // TODO: log an error here
+ }
+}
+
+void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
+{
+ m_defaultColWidth = wxMax( width, WXGRID_MIN_COL_WIDTH );
+
+ if ( resizeExistingCols )
+ {
+ // TODO: what do we do about events here ?
+ // Generate an event for each resize ?
+ //
+ int col;
+ for ( col = 0; col < m_numCols; col++ )
+ {
+ m_colWidths[col] = m_defaultColWidth;
+ }
+ CalcDimensions();
+ if ( !GetBatchCount() ) Refresh();
+ }
+}
+
+void wxGrid::SetColSize( int col, int width )
+{
+ if ( col >= 0 && col < m_numCols )
+ {
+ m_colWidths[col] = wxMax( 0, width );
+ CalcDimensions();
+ if ( !GetBatchCount() ) Refresh();
+
+ // Note: we are ending the event *after* doing
+ // default processing in this case
+ //
+ SendEvent( EVT_WXGRID_COL_SIZE,
+ -1, col );
+ }
+ else
+ {
+ // TODO: log an error here
+ }
+}
+
+void wxGrid::SetDefaultCellBackgroundColour( const wxColour& )
+{
+ // TODO: everything !!!
+ //
+}
+
+void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& )
+{
+ // TODO: everything !!!
+ //
+}
+
+void wxGrid::SetDefaultCellTextColour( const wxColour& )
+{
+ // TODO: everything !!!
+ //
+}
+
+void wxGrid::SetCellTextColour( int row, int col, const wxColour& )
+{
+ // TODO: everything !!!
+ //
+}
+
+void wxGrid::SetCellHighlightColour( const wxColour& )
+{
+ // TODO: everything !!!
+ //
+}
+
+void wxGrid::SetDefaultCellFont( const wxFont& )
+{
+ // TODO: everything !!!
+ //
+}
+
+void wxGrid::SetCellFont( int row, int col, const wxFont& )
+{
+ // TODO: everything !!!
+ //
+}
+
+void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
+{
+ // TODO: everything !!!
+ //
+}
+
+void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
+{
+ // TODO: everything !!!
+ //
+}
+
+
+//
+// ------ cell value accessor functions
+//
+
+void wxGrid::SetCellValue( int row, int col, const wxString& s )
+{
+ if ( m_table )
+ {
+ m_table->SetValue( row, col, s.c_str() );
+ DrawCell( row, col );
+ if ( m_currentCellCoords.GetRow() == row &&
+ m_currentCellCoords.GetCol() == col )
+ {
+ SetEditControlValue( s );
+ }
+ }
+}
+
+
+
+//
+// ------ interaction with data model
+//
+bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
+{
+ switch ( msg.GetId() )
+ {
+ case wxGRIDTABLE_REQUEST_VIEW_GET_VALUES:
+ return GetModelValues();
+
+ case wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES:
+ return SetModelValues();
+
+ case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
+ case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
+ case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
+ case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
+ case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
+ case wxGRIDTABLE_NOTIFY_COLS_DELETED:
+ return Redimension( msg );
+
+ default:
+ return FALSE;
+ }
+}
+
+
+//
+// ------ Grid location functions
+//
+// (see also inline functions in grid.h)
+
+
+// check to see if a cell location is wholly visible
+//
+bool wxGrid::IsVisible( const wxGridCellCoords& coords )
+{
+ return ( coords.GetRow() >= m_scrollPosY &&
+ coords.GetRow() < m_scrollPosY + m_wholeRowsVisible &&
+ coords.GetCol() >= m_scrollPosX &&
+ coords.GetCol() < m_scrollPosX + m_wholeColsVisible );
+}
+
+
+// make the specified cell location visible by doing a minimal amount
+// of scrolling
+//
+void wxGrid::MakeCellVisible( int row, int col )
+{
+ int lastX = m_scrollPosX;
+ int lastY = m_scrollPosY;
+
+ if ( row >= 0 && row < m_numRows &&
+ col >= 0 && col < m_numCols )
+ {
+ if ( row < m_scrollPosY )
+ {
+ SetVerticalScrollPos( row );
+ }
+ else if ( row >= m_scrollPosY + m_wholeRowsVisible )
+ {
+ int i;
+ int h = m_rowBottoms[row];
+ for ( i = m_scrollPosY; i < m_numRows && h > m_bottom; i++ )
+ {
+ h -= m_rowHeights[i];
+ }
+ SetVerticalScrollPos( i );
+ }
+
+ if ( col < m_scrollPosX )
+ {
+ SetHorizontalScrollPos( col );
+ }
+ else if ( col >= m_scrollPosX + m_wholeColsVisible )
+ {
+ int i;
+ int w = m_colRights[col];
+ for ( i = m_scrollPosX; i < m_numCols && w > m_right; i++ )
+ {
+ w -= m_colWidths[i];
+ }
+ SetHorizontalScrollPos( i );
+ }
+
+ if ( m_scrollPosX != lastX || m_scrollPosY != lastY )
+ {
+ // The cell was not visible before but not it is
+ //
+ ShowCellEditControl();
+ }
+ }
+ else
+ {
+ // TODO: log an error
+ }
+}
+
+
+void wxGrid::SetVerticalScrollPos( int topMostRow )
+{
+ if ( m_vertScrollBar && topMostRow != m_scrollPosY )
+ {
+ m_scrollPosY = topMostRow;
+
+ CalcDimensions();
+ Refresh();
+ }
+}
+
+
+void wxGrid::SetHorizontalScrollPos( int leftMostCol )
+{
+ if ( m_horizScrollBar && leftMostCol != m_scrollPosX )
+ {
+ m_scrollPosX = leftMostCol;
+
+ CalcDimensions();
+ Refresh();
+ }
+}
+
+
+//
+// ------ block, row and col selection
+//
+
+void wxGrid::SelectRow( int row, bool addToSelected )
+{
+ if ( IsSelection() && addToSelected )
+ {
+ if ( m_selectedTopLeft.GetRow() > row )
+ m_selectedTopLeft.SetRow( row );
+
+ m_selectedTopLeft.SetCol( 0 );
+
+ if ( m_selectedBottomRight.GetRow() < row )
+ m_selectedBottomRight.SetRow( row );
+
+ m_selectedBottomRight.SetCol( m_numCols - 1 );
+ }
+ else
+ {
+ ClearSelection();
+ m_selectedTopLeft.Set( row, 0 );
+ m_selectedBottomRight.Set( row, m_numCols-1 );
+ }
+
+ if ( !GetBatchCount() )
+ {
+ wxRect rect( SelectionToRect() );
+ if ( rect != wxGridNoCellRect ) Refresh( TRUE, &rect );
+ }
+
+ wxGridRangeSelectEvent gridEvt( GetId(),
+ EVT_WXGRID_RANGE_SELECT,
+ this,
+ m_selectedTopLeft,
+ m_selectedBottomRight );
+
+ GetEventHandler()->ProcessEvent(gridEvt);
+}
+
+
+void wxGrid::SelectCol( int col, bool addToSelected )
+{
+ if ( addToSelected && m_selectedTopLeft != wxGridNoCellCoords )
+ {
+ if ( m_selectedTopLeft.GetCol() > col )
+ m_selectedTopLeft.SetCol( col );
+
+ m_selectedTopLeft.SetRow( 0 );
+
+ if ( m_selectedBottomRight.GetCol() < col )
+ m_selectedBottomRight.SetCol( col );
+
+ m_selectedBottomRight.SetRow( m_numRows - 1 );
+ }
+ else
+ {
+ ClearSelection();
+ m_selectedTopLeft.Set( 0, col );
+ m_selectedBottomRight.Set( m_numRows-1, col );
+ }
+
+ if ( !GetBatchCount() )
+ {
+ wxRect rect( SelectionToRect() );
+ if ( rect != wxGridNoCellRect ) Refresh( TRUE, &rect );
+ }
+
+ wxGridRangeSelectEvent gridEvt( GetId(),
+ EVT_WXGRID_RANGE_SELECT,
+ this,
+ m_selectedTopLeft,
+ m_selectedBottomRight );
+
+ GetEventHandler()->ProcessEvent(gridEvt);
+}
+
+
+void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
+{
+ int temp;
+
+ if ( topRow > bottomRow )
+ {
+ temp = topRow;
+ topRow = bottomRow;
+ bottomRow = temp;
+ }
+
+ if ( leftCol > rightCol )
+ {
+ temp = leftCol;
+ leftCol = rightCol;
+ rightCol = temp;
+ }
+
+ m_selectedTopLeft.Set( topRow, leftCol );
+ m_selectedBottomRight.Set( bottomRow, rightCol );
+
+ if ( !GetBatchCount() )
+ {
+ wxRect rect( SelectionToRect() );
+ if ( rect != wxGridNoCellRect ) Refresh( TRUE, &rect );
+ }
+
+ // only generate an event if the block is not being selected by
+ // dragging the mouse (in which case the event will be generated in
+ // OnMouse) }
+ if ( !m_isDragging )
+ {
+ wxGridRangeSelectEvent gridEvt( GetId(),
+ EVT_WXGRID_RANGE_SELECT,
+ this,
+ m_selectedTopLeft,
+ m_selectedBottomRight );
+
+ GetEventHandler()->ProcessEvent(gridEvt);
+ }
+}
+
+void wxGrid::SelectAll()
+{
+ m_selectedTopLeft.Set( 0, 0 );
+ m_selectedBottomRight.Set( m_numRows-1, m_numCols-1 );
+
+ if ( !GetBatchCount() ) Refresh();
+}
+
+
+void wxGrid::ClearSelection()
+{
+ if ( IsSelection() )
+ {
+ wxRect rect( SelectionToRect() );
+ if ( rect != wxGridNoCellRect )
+ {
+ Refresh( TRUE, &rect );
+ }
+
+ m_selectedTopLeft = wxGridNoCellCoords;
+ m_selectedBottomRight = wxGridNoCellCoords;
+ }
+}
+
+
+wxRect wxGrid::SelectionToRect()
+{
+ wxRect rect;
+ wxRect cellRect;
+
+ if ( IsSelection() )
+ {
+ cellRect = CellToRect( m_selectedTopLeft );
+ if ( cellRect != wxGridNoCellRect )
+ {
+ rect = cellRect;
+ }
+ else
+ {
+ rect = wxRect( m_left, m_top, 0, 0 );
+ }
+
+ cellRect = CellToRect( m_selectedBottomRight );
+ if ( cellRect != wxGridNoCellRect )
+ {
+ rect += cellRect;
+ }
+ else
+ {
+ return wxGridNoCellRect;
+ }
+ }
+
+ return rect;
+}
+
+
+
+
+//
+// ------ Grid event classes
+//
+
+IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxEvent )
+
+wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
+ int row, int col, int x, int y,
+ bool control, bool shift, bool alt, bool meta )
+ : wxNotifyEvent( type, id )
+{
+ m_row = row;
+ m_col = col;
+ m_x = x;
+ m_y = y;
+ m_control = control;
+ m_shift = shift;
+ m_alt = alt;
+ m_meta = meta;
+
+ SetEventObject(obj);
+}
+
+
+IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxEvent )
+
+wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj,
+ int rowOrCol, int x, int y,
+ bool control, bool shift, bool alt, bool meta )
+ : wxNotifyEvent( type, id )
+{
+ m_rowOrCol = rowOrCol;
+ m_x = x;
+ m_y = y;
+ m_control = control;
+ m_shift = shift;
+ m_alt = alt;
+ m_meta = meta;
+
+ SetEventObject(obj);
+}
+
+
+IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxEvent )
+
+wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
+ const wxGridCellCoords& topLeft,
+ const wxGridCellCoords& bottomRight,
+ bool control, bool shift, bool alt, bool meta )
+ : wxNotifyEvent( type, id )
+{
+ m_topLeft = topLeft;
+ m_bottomRight = bottomRight;
+ m_control = control;
+ m_shift = shift;
+ m_alt = alt;
+ m_meta = meta;
+
+ SetEventObject(obj);
+}
+
+
+#endif // ifndef wxUSE_NEW_GRID
+
projects / wxWidgets.git / commitdiff
