-/////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////
// Name: grid.cpp
// Purpose: wxGrid and related classes
// Author: Michael Bedward (based on code by Julian Smart, Robin Dunn)
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
#ifdef __GNUG__
#pragma implementation "grid.h"
#endif
#include "wx/log.h"
#endif
+// this include needs to be outside precomp for BCC
#include "wx/textfile.h"
+
#include "wx/generic/grid.h"
// ----------------------------------------------------------------------------
-// array classes instantiation
+// array classes
// ----------------------------------------------------------------------------
+WX_DEFINE_ARRAY(wxGridCellAttr *, wxArrayAttrs);
+
struct wxGridCellWithAttr
{
- wxGridCellWithAttr(int row, int col, const wxGridCellAttr *pAttr)
- : coords(row, col), attr(*pAttr)
+ wxGridCellWithAttr(int row, int col, wxGridCellAttr *attr_)
+ : coords(row, col), attr(attr_)
+ {
+ }
+
+ ~wxGridCellWithAttr()
{
+ attr->DecRef();
}
wxGridCellCoords coords;
- wxGridCellAttr attr;
+ wxGridCellAttr *attr;
};
WX_DECLARE_OBJARRAY(wxGridCellWithAttr, wxGridCellWithAttrArray);
void OnPaint( wxPaintEvent &event );
void OnMouseEvent( wxMouseEvent& event );
void OnKeyDown( wxKeyEvent& );
+ void OnEraseBackground( wxEraseEvent& );
+
DECLARE_DYNAMIC_CLASS(wxGridWindow)
DECLARE_EVENT_TABLE()
};
+
+
+class wxGridCellEditorEvtHandler : public wxEvtHandler
+{
+public:
+ wxGridCellEditorEvtHandler()
+ : m_grid(0), m_editor(0)
+ { }
+ wxGridCellEditorEvtHandler(wxGrid* grid, wxGridCellEditor* editor)
+ : m_grid(grid), m_editor(editor)
+ { }
+
+ void OnKeyDown(wxKeyEvent& event);
+
+private:
+ wxGrid* m_grid;
+ wxGridCellEditor* m_editor;
+ DECLARE_DYNAMIC_CLASS(wxGridCellEditorEvtHandler)
+ DECLARE_EVENT_TABLE()
+};
+
+
+IMPLEMENT_DYNAMIC_CLASS( wxGridCellEditorEvtHandler, wxEvtHandler )
+BEGIN_EVENT_TABLE( wxGridCellEditorEvtHandler, wxEvtHandler )
+ EVT_KEY_DOWN( wxGridCellEditorEvtHandler::OnKeyDown )
+END_EVENT_TABLE()
+
+
+
+// ----------------------------------------------------------------------------
// the internal data representation used by wxGridCellAttrProvider
-//
-// TODO make it more efficient
-class WXDLLEXPORT wxGridCellAttrProviderData
+// ----------------------------------------------------------------------------
+
+// this class stores attributes set for cells
+class WXDLLEXPORT wxGridCellAttrData
{
public:
- void SetAttr(const wxGridCellAttr *attr, int row, int col);
+ void SetAttr(wxGridCellAttr *attr, int row, int col);
wxGridCellAttr *GetAttr(int row, int col) const;
private:
wxGridCellWithAttrArray m_attrs;
};
+// this class stores attributes set for rows or columns
+class WXDLLEXPORT wxGridRowOrColAttrData
+{
+public:
+ ~wxGridRowOrColAttrData();
+
+ void SetAttr(wxGridCellAttr *attr, int rowOrCol);
+ wxGridCellAttr *GetAttr(int rowOrCol) const;
+
+private:
+ wxArrayInt m_rowsOrCols;
+ wxArrayAttrs m_attrs;
+};
+
+// NB: this is just a wrapper around 3 objects: one which stores cell
+// attributes, and 2 others for row/col ones
+class WXDLLEXPORT wxGridCellAttrProviderData
+{
+public:
+ wxGridCellAttrData m_cellAttrs;
+ wxGridRowOrColAttrData m_rowAttrs,
+ m_colAttrs;
+};
+
// ----------------------------------------------------------------------------
// conditional compilation
// ----------------------------------------------------------------------------
#define WXGRID_DRAW_LINES 1
#endif
-//////////////////////////////////////////////////////////////////////
+// ----------------------------------------------------------------------------
+// globals
+// ----------------------------------------------------------------------------
+
+//#define DEBUG_ATTR_CACHE
+#ifdef DEBUG_ATTR_CACHE
+ static size_t gs_nAttrCacheHits = 0;
+ static size_t gs_nAttrCacheMisses = 0;
+#endif // DEBUG_ATTR_CACHE
wxGridCellCoords wxGridNoCellCoords( -1, -1 );
wxRect wxGridNoCellRect( -1, -1, -1, -1 );
// TODO: fixed so far - make configurable later (and also different for x/y)
static const size_t GRID_SCROLL_LINE = 10;
+// ============================================================================
+// implementation
+// ============================================================================
+
+
+// ----------------------------------------------------------------------------
+// wxGridCellEditor
+// ----------------------------------------------------------------------------
+
+wxGridCellEditor::wxGridCellEditor()
+{
+ m_control = NULL;
+}
+
+
+wxGridCellEditor::~wxGridCellEditor()
+{
+ Destroy();
+}
+
+
+void wxGridCellEditor::Destroy()
+{
+ if (m_control) {
+ m_control->Destroy();
+ m_control = NULL;
+ }
+}
+
+void wxGridCellEditor::Show(bool show)
+{
+ wxASSERT_MSG(m_control,
+ wxT("The wxGridCellEditor must be Created first!"));
+ m_control->Show(show);
+}
+
+void wxGridCellEditor::SetSize(const wxRect& rect)
+{
+ wxASSERT_MSG(m_control,
+ wxT("The wxGridCellEditor must be Created first!"));
+ m_control->SetSize(rect);
+}
+
+void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
+{
+ event.Skip();
+}
+
+
+wxGridCellTextEditor::wxGridCellTextEditor()
+{
+}
+
+void wxGridCellTextEditor::Create(wxWindow* parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ wxEvtHandler* evtHandler)
+{
+ m_control = new wxTextCtrl(parent, -1, "", pos, size
+#if defined(__WXMSW__)
+ , wxTE_MULTILINE | wxTE_NO_VSCROLL
+#endif
+ );
+
+ if (evtHandler)
+ m_control->PushEventHandler(evtHandler);
+}
+
+
+void wxGridCellTextEditor::BeginEdit(int row, int col, wxGrid* grid,
+ wxGridCellAttr* attr)
+{
+ wxASSERT_MSG(m_control,
+ wxT("The wxGridCellEditor must be Created first!"));
+
+ m_startValue = grid->GetTable()->GetValue(row, col);
+ ((wxTextCtrl*)m_control)->SetValue(m_startValue);
+ ((wxTextCtrl*)m_control)->SetInsertionPointEnd();
+ ((wxTextCtrl*)m_control)->SetFocus();
+
+ // ??? Should we use attr and try to set colours and font?
+}
+
+
+
+bool wxGridCellTextEditor::EndEdit(int row, int col, bool saveValue,
+ wxGrid* grid, wxGridCellAttr* attr)
+{
+ wxASSERT_MSG(m_control,
+ wxT("The wxGridCellEditor must be Created first!"));
+
+ bool changed = FALSE;
+ wxString value = ((wxTextCtrl*)m_control)->GetValue();
+ if (value != m_startValue)
+ changed = TRUE;
+
+ if (changed)
+ grid->GetTable()->SetValue(row, col, value);
+ m_startValue = "";
+
+ return changed;
+}
+
+
+void wxGridCellTextEditor::Reset()
+{
+ wxASSERT_MSG(m_control,
+ wxT("The wxGridCellEditor must be Created first!"));
+
+ ((wxTextCtrl*)m_control)->SetValue(m_startValue);
+ ((wxTextCtrl*)m_control)->SetInsertionPointEnd();
+}
+
+void wxGridCellTextEditor::HandleReturn(wxKeyEvent& event)
+{
+#if defined(__WXMOTIF__) || defined(__WXGTK__)
+ // wxMotif needs a little extra help...
+ int pos = ((wxTextCtrl*)m_control)->GetInsertionPoint();
+ wxString s( ((wxTextCtrl*)m_control)->GetValue() );
+ s = s.Left(pos) + "\n" + s.Mid(pos);
+ ((wxTextCtrl*)m_control)->SetValue(s);
+ ((wxTextCtrl*)m_control)->SetInsertionPoint( pos );
+#else
+ // the other ports can handle a Return key press
+ //
+ event.Skip();
+#endif
+}
+
+
+void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
+{
+ switch ( event.KeyCode() )
+ {
+ case WXK_ESCAPE:
+ m_editor->Reset();
+ break;
+
+ case WXK_UP:
+ case WXK_DOWN:
+ case WXK_LEFT:
+ case WXK_RIGHT:
+ case WXK_PRIOR:
+ case WXK_NEXT:
+ case WXK_SPACE:
+ // send the event to the parent grid, skipping the
+ // event if nothing happens
+ //
+ event.Skip( m_grid->ProcessEvent( event ) );
+ break;
+
+ case WXK_RETURN:
+ if (!m_grid->ProcessEvent(event))
+ m_editor->HandleReturn(event);
+ break;
+
+ case WXK_HOME:
+ case WXK_END:
+ // send the event to the parent grid, skipping the
+ // event if nothing happens
+ //
+ event.Skip( m_grid->ProcessEvent( event ) );
+ break;
+
+ default:
+ event.Skip();
+ }
+}
+
// ----------------------------------------------------------------------------
-// wxGridCellAttrProviderData
+// wxGridCellRenderer
// ----------------------------------------------------------------------------
-void wxGridCellAttrProviderData::SetAttr(const wxGridCellAttr *attr,
- int row, int col)
+void wxGridCellRenderer::Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ const wxRect& rect,
+ int row, int col,
+ bool isSelected)
+{
+ dc.SetBackgroundMode( wxSOLID );
+
+ if ( isSelected )
+ {
+ dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
+ }
+ else
+ {
+ dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
+ }
+
+ dc.SetPen( *wxTRANSPARENT_PEN );
+
+ dc.DrawRectangle(rect);
+}
+
+void wxGridCellStringRenderer::Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ const wxRect& rectCell,
+ int row, int col,
+ bool isSelected)
+{
+ wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
+
+ // now we only have to draw the text
+ dc.SetBackgroundMode( wxTRANSPARENT );
+
+ if ( isSelected )
+ {
+ dc.SetTextBackground( grid.GetSelectionBackground() );
+ dc.SetTextForeground( grid.GetSelectionForeground() );
+ }
+ else
+ {
+ dc.SetTextBackground( attr.GetBackgroundColour() );
+ dc.SetTextForeground( attr.GetTextColour() );
+ }
+ dc.SetFont( attr.GetFont() );
+
+ int hAlign, vAlign;
+ attr.GetAlignment(&hAlign, &vAlign);
+
+ wxRect rect = rectCell;
+ rect.x++;
+ rect.y++;
+ rect.width -= 2;
+ rect.height -= 2;
+
+ grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
+ rect, hAlign, vAlign);
+}
+
+// ----------------------------------------------------------------------------
+// wxGridCellAttr
+// ----------------------------------------------------------------------------
+
+const wxColour& wxGridCellAttr::GetTextColour() const
+{
+ if (HasTextColour())
+ return m_colText;
+ else if (m_defGridAttr != this)
+ return m_defGridAttr->GetTextColour();
+ else {
+ wxFAIL_MSG(wxT("Missing default cell attribute"));
+ return wxNullColour;
+ }
+}
+
+
+const wxColour& wxGridCellAttr::GetBackgroundColour() const
+{
+ if (HasBackgroundColour())
+ return m_colBack;
+ else if (m_defGridAttr != this)
+ return m_defGridAttr->GetBackgroundColour();
+ else {
+ wxFAIL_MSG(wxT("Missing default cell attribute"));
+ return wxNullColour;
+ }
+}
+
+
+const wxFont& wxGridCellAttr::GetFont() const
+{
+ if (HasFont())
+ return m_font;
+ else if (m_defGridAttr != this)
+ return m_defGridAttr->GetFont();
+ else {
+ wxFAIL_MSG(wxT("Missing default cell attribute"));
+ return wxNullFont;
+ }
+}
+
+
+void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
+{
+ if (HasAlignment()) {
+ if ( hAlign ) *hAlign = m_hAlign;
+ if ( vAlign ) *vAlign = m_vAlign;
+ }
+ else if (m_defGridAttr != this)
+ m_defGridAttr->GetAlignment(hAlign, vAlign);
+ else {
+ wxFAIL_MSG(wxT("Missing default cell attribute"));
+ }
+}
+
+
+wxGridCellRenderer* wxGridCellAttr::GetRenderer() const
+{
+ if (HasRenderer())
+ return m_renderer;
+ else if (m_defGridAttr != this)
+ return m_defGridAttr->GetRenderer();
+ else {
+ wxFAIL_MSG(wxT("Missing default cell attribute"));
+ return NULL;
+ }
+}
+
+// ----------------------------------------------------------------------------
+// wxGridCellAttrData
+// ----------------------------------------------------------------------------
+
+void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col)
{
int n = FindIndex(row, col);
if ( n == wxNOT_FOUND )
if ( attr )
{
// change the attribute
- m_attrs[(size_t)n].attr = *attr;
+ m_attrs[(size_t)n].attr = attr;
}
else
{
m_attrs.RemoveAt((size_t)n);
}
}
-
- delete attr;
}
-wxGridCellAttr *wxGridCellAttrProviderData::GetAttr(int row, int col) const
+wxGridCellAttr *wxGridCellAttrData::GetAttr(int row, int col) const
{
wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
int n = FindIndex(row, col);
if ( n != wxNOT_FOUND )
{
- attr = new wxGridCellAttr(m_attrs[(size_t)n].attr);
+ attr = m_attrs[(size_t)n].attr;
+ attr->IncRef();
}
return attr;
}
-int wxGridCellAttrProviderData::FindIndex(int row, int col) const
+int wxGridCellAttrData::FindIndex(int row, int col) const
{
size_t count = m_attrs.GetCount();
for ( size_t n = 0; n < count; n++ )
return wxNOT_FOUND;
}
+// ----------------------------------------------------------------------------
+// wxGridRowOrColAttrData
+// ----------------------------------------------------------------------------
+
+wxGridRowOrColAttrData::~wxGridRowOrColAttrData()
+{
+ size_t count = m_attrs.Count();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ m_attrs[n]->DecRef();
+ }
+}
+
+wxGridCellAttr *wxGridRowOrColAttrData::GetAttr(int rowOrCol) const
+{
+ wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
+
+ int n = m_rowsOrCols.Index(rowOrCol);
+ if ( n != wxNOT_FOUND )
+ {
+ attr = m_attrs[(size_t)n];
+ attr->IncRef();
+ }
+
+ return attr;
+}
+
+void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol)
+{
+ int n = m_rowsOrCols.Index(rowOrCol);
+ if ( n == wxNOT_FOUND )
+ {
+ // add the attribute
+ m_rowsOrCols.Add(rowOrCol);
+ m_attrs.Add(attr);
+ }
+ else
+ {
+ if ( attr )
+ {
+ // change the attribute
+ m_attrs[(size_t)n] = attr;
+ }
+ else
+ {
+ // remove this attribute
+ m_attrs[(size_t)n]->DecRef();
+ m_rowsOrCols.RemoveAt((size_t)n);
+ m_attrs.RemoveAt((size_t)n);
+ }
+ }
+}
+
// ----------------------------------------------------------------------------
// wxGridCellAttrProvider
// ----------------------------------------------------------------------------
wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col) const
{
- return m_data ? m_data->GetAttr(row, col) : (wxGridCellAttr *)NULL;
+ wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
+ if ( m_data )
+ {
+ // first look for the attribute of this specific cell
+ attr = m_data->m_cellAttrs.GetAttr(row, col);
+
+ if ( !attr )
+ {
+ // then look for the col attr (col attributes are more common than
+ // the row ones, hence they have priority)
+ attr = m_data->m_colAttrs.GetAttr(col);
+ }
+
+ if ( !attr )
+ {
+ // finally try the row attributes
+ attr = m_data->m_rowAttrs.GetAttr(row);
+ }
+ }
+
+ return attr;
}
-void wxGridCellAttrProvider::SetAttr(const wxGridCellAttr *attr,
+void wxGridCellAttrProvider::SetAttr(wxGridCellAttr *attr,
int row, int col)
{
if ( !m_data )
InitData();
- m_data->SetAttr(attr, row, col);
+ m_data->m_cellAttrs.SetAttr(attr, row, col);
+}
+
+void wxGridCellAttrProvider::SetRowAttr(wxGridCellAttr *attr, int row)
+{
+ if ( !m_data )
+ InitData();
+
+ m_data->m_rowAttrs.SetAttr(attr, row);
+}
+
+void wxGridCellAttrProvider::SetColAttr(wxGridCellAttr *attr, int col)
+{
+ if ( !m_data )
+ InitData();
+
+ m_data->m_colAttrs.SetAttr(attr, col);
}
+// ----------------------------------------------------------------------------
+// wxGridTableBase
+// ----------------------------------------------------------------------------
+
//////////////////////////////////////////////////////////////////////
//
// Abstract base class for grid data (the model)
return (wxGridCellAttr *)NULL;
}
-void wxGridTableBase::SetAttr(const wxGridCellAttr *attr, int row, int col )
+void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
{
if ( m_attrProvider )
{
{
// as we take ownership of the pointer and don't store it, we must
// free it now
- delete attr;
+ attr->SafeDecRef();
+ }
+}
+
+void wxGridTableBase::SetRowAttr(wxGridCellAttr *attr, int row)
+{
+ if ( m_attrProvider )
+ {
+ m_attrProvider->SetRowAttr(attr, row);
+ }
+ else
+ {
+ // as we take ownership of the pointer and don't store it, we must
+ // free it now
+ attr->SafeDecRef();
+ }
+}
+
+void wxGridTableBase::SetColAttr(wxGridCellAttr *attr, int col)
+{
+ if ( m_attrProvider )
+ {
+ m_attrProvider->SetColAttr(attr, col);
+ }
+ else
+ {
+ // as we take ownership of the pointer and don't store it, we must
+ // free it now
+ attr->SafeDecRef();
}
}
EVT_PAINT( wxGridWindow::OnPaint )
EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
+ EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
END_EVENT_TABLE()
wxGridWindow::wxGridWindow( wxGrid *parent,
if ( !m_owner->ProcessEvent( event ) ) event.Skip();
}
+void wxGridWindow::OnEraseBackground(wxEraseEvent&)
+{ }
+
//////////////////////////////////////////////////////////////////////
EVT_PAINT( wxGrid::OnPaint )
EVT_SIZE( wxGrid::OnSize )
EVT_KEY_DOWN( wxGrid::OnKeyDown )
+ EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
END_EVENT_TABLE()
wxGrid::wxGrid( wxWindow *parent,
wxGrid::~wxGrid()
{
- delete m_table;
+ ClearAttrCache();
+ m_defaultCellAttr->SafeDecRef();
+
+#ifdef DEBUG_ATTR_CACHE
+ size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses;
+ wxPrintf(_T("wxGrid attribute cache statistics: "
+ "total: %u, hits: %u (%u%%)\n"),
+ total, gs_nAttrCacheHits,
+ total ? (gs_nAttrCacheHits*100) / total : 0);
+#endif
+
+ if (m_ownTable)
+ delete m_table;
}
m_displayed = FALSE; // set to TRUE by OnPaint
m_table = (wxGridTableBase *) NULL;
+ m_ownTable = FALSE;
m_cellEditCtrl = (wxWindow *) NULL;
+ m_defaultCellAttr = new wxGridCellAttr;
+ m_defaultCellAttr->SetDefAttr(m_defaultCellAttr);
+ // RD: Should we fill the default attrs now or is waiting until Init() okay?
+
+
m_numRows = 0;
m_numCols = 0;
m_currentCellCoords = wxGridNoCellCoords;
{
if ( m_created )
{
- wxFAIL_MSG( wxT("wxGrid::CreateGrid called more than once") );
+ wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
return FALSE;
}
else
m_table = new wxGridStringTable( m_numRows, m_numCols );
m_table->SetView( this );
+ m_ownTable = TRUE;
+ Init();
+ m_created = TRUE;
+ }
+
+ return m_created;
+}
+
+bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership )
+{
+ if ( m_created )
+ {
+ wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
+ return FALSE;
+ }
+ else
+ {
+ m_numRows = table->GetNumberRows();
+ m_numCols = table->GetNumberCols();
+
+ m_table = table;
+ m_table->SetView( this );
+ if (takeOwnership)
+ m_ownTable = TRUE;
Init();
m_created = TRUE;
}
m_labelTextColour = wxColour( _T("BLACK") );
+ // init attr cache
+ m_attrCache.row = -1;
+
// TODO: something better than this ?
//
m_labelFont = this->GetFont();
m_colRights.Add( colRight );
}
- // TODO: improve this by using wxSystemSettings?
- //
- m_defaultCellFont = GetFont();
+ m_defaultCellAttr->SetFont(GetFont());
+ m_defaultCellAttr->SetAlignment(wxLEFT, wxTOP);
+ m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
+ m_defaultCellAttr->SetTextColour(
+ wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT));
+ m_defaultCellAttr->SetBackgroundColour(
+ wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
- m_defaultCellHAlign = wxLEFT;
- m_defaultCellVAlign = wxTOP;
m_gridLineColour = wxColour( 128, 128, 255 );
m_gridLinesEnabled = TRUE;
m_cursorMode = WXGRID_CURSOR_SELECT_CELL;
+ m_winCapture = (wxWindow *)NULL;
m_dragLastPos = -1;
m_dragRowOrCol = -1;
m_isDragging = FALSE;
m_selectedTopLeft = wxGridNoCellCoords;
m_selectedBottomRight = wxGridNoCellCoords;
+ m_selectionBackground = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT);
+ m_selectionForeground = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
m_editable = TRUE; // default for whole grid
break;
case WXGRID_CURSOR_SELECT_ROW:
- {
if ( (row = YToRow( y )) >= 0 &&
!IsInSelection( row, 0 ) )
{
SelectRow( row, TRUE );
}
- }
- break;
+
+ // default label to suppress warnings about "enumeration value
+ // 'xxx' not handled in switch
+ default:
+ break;
}
}
return;
m_isDragging = FALSE;
+ // ------------ Entering or leaving the window
+ //
+ if ( event.Entering() || event.Leaving() )
+ {
+ ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
+ }
+
+
// ------------ Left button pressed
//
- if ( event.LeftDown() )
+ else if ( event.LeftDown() )
{
// don't send a label click event for a hit on the
// edge of the row label - this is probably the user
!SendEvent( EVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) )
{
SelectRow( row, event.ShiftDown() );
- m_cursorMode = WXGRID_CURSOR_SELECT_ROW;
+ ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin);
}
}
else
{
// starting to drag-resize a row
//
- m_rowLabelWin->CaptureMouse();
+ ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin);
}
}
{
if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
{
- m_rowLabelWin->ReleaseMouse();
-
- if ( m_dragLastPos >= 0 )
- {
- // erase the last line and resize the row
- //
- int cw, ch, left, dummy;
- m_gridWin->GetClientSize( &cw, &ch );
- CalcUnscrolledPosition( 0, 0, &left, &dummy );
-
- wxClientDC dc( m_gridWin );
- PrepareDC( dc );
- dc.SetLogicalFunction( wxINVERT );
- dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
- HideCellEditControl();
-
- int rowTop = m_rowBottoms[m_dragRowOrCol] - m_rowHeights[m_dragRowOrCol];
- SetRowSize( m_dragRowOrCol, wxMax( y - rowTop, WXGRID_MIN_ROW_HEIGHT ) );
- if ( !GetBatchCount() )
- {
- // Only needed to get the correct rect.y:
- wxRect rect ( CellToRect( m_dragRowOrCol, 0 ) );
- rect.x = 0;
- CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
- rect.width = m_rowLabelWidth;
- rect.height = ch - rect.y;
- m_rowLabelWin->Refresh( TRUE, &rect );
- rect.width = cw;
- m_gridWin->Refresh( FALSE, &rect );
- }
-
- ShowCellEditControl();
+ DoEndDragResizeRow();
- // Note: we are ending the event *after* doing
- // default processing in this case
- //
- SendEvent( EVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
- }
+ // Note: we are ending the event *after* doing
+ // default processing in this case
+ //
+ SendEvent( EVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
}
- m_cursorMode = WXGRID_CURSOR_SELECT_CELL;
- m_dragLastPos = -1;
+ ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
+ m_dragLastPos = -1;
}
{
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
{
- m_cursorMode = WXGRID_CURSOR_RESIZE_ROW;
- m_rowLabelWin->SetCursor( m_rowResizeCursor );
+ // don't capture the mouse yet
+ ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, FALSE);
}
}
- else
+ else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
{
- m_cursorMode = WXGRID_CURSOR_SELECT_CELL;
- if ( m_rowLabelWin->GetCursor() == m_rowResizeCursor )
- m_rowLabelWin->SetCursor( *wxSTANDARD_CURSOR );
+ ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, FALSE);
}
}
}
break;
case WXGRID_CURSOR_SELECT_COL:
- {
if ( (col = XToCol( x )) >= 0 &&
!IsInSelection( 0, col ) )
{
SelectCol( col, TRUE );
}
- }
- break;
+
+ // default label to suppress warnings about "enumeration value
+ // 'xxx' not handled in switch
+ default:
+ break;
}
}
return;
m_isDragging = FALSE;
+ // ------------ Entering or leaving the window
+ //
+ if ( event.Entering() || event.Leaving() )
+ {
+ ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
+ }
+
+
// ------------ Left button pressed
//
- if ( event.LeftDown() )
+ else if ( event.LeftDown() )
{
// don't send a label click event for a hit on the
// edge of the col label - this is probably the user
!SendEvent( EVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) )
{
SelectCol( col, event.ShiftDown() );
- m_cursorMode = WXGRID_CURSOR_SELECT_COL;
+ ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, m_colLabelWin);
}
}
else
{
// starting to drag-resize a col
//
- m_colLabelWin->CaptureMouse();
+ ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin);
}
}
{
if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
{
- m_colLabelWin->ReleaseMouse();
-
- if ( m_dragLastPos >= 0 )
- {
- // erase the last line and resize the col
- //
- int cw, ch, dummy, top;
- m_gridWin->GetClientSize( &cw, &ch );
- CalcUnscrolledPosition( 0, 0, &dummy, &top );
-
- wxClientDC dc( m_gridWin );
- PrepareDC( dc );
- dc.SetLogicalFunction( wxINVERT );
- dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
- HideCellEditControl();
-
- int colLeft = m_colRights[m_dragRowOrCol] - m_colWidths[m_dragRowOrCol];
- SetColSize( m_dragRowOrCol, wxMax( x - colLeft, WXGRID_MIN_COL_WIDTH ) );
-
- if ( !GetBatchCount() )
- {
- // Only needed to get the correct rect.x:
- wxRect rect ( CellToRect( 0, m_dragRowOrCol ) );
- rect.y = 0;
- CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
- rect.width = cw - rect.x;
- rect.height = m_colLabelHeight;
- m_colLabelWin->Refresh( TRUE, &rect );
- rect.height = ch;
- m_gridWin->Refresh( FALSE, &rect );
- }
+ DoEndDragResizeCol();
- ShowCellEditControl();
-
- // Note: we are ending the event *after* doing
- // default processing in this case
- //
- SendEvent( EVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
- }
+ // Note: we are ending the event *after* doing
+ // default processing in this case
+ //
+ SendEvent( EVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
}
- m_cursorMode = WXGRID_CURSOR_SELECT_CELL;
+ ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
m_dragLastPos = -1;
}
{
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
{
- m_cursorMode = WXGRID_CURSOR_RESIZE_COL;
- m_colLabelWin->SetCursor( m_colResizeCursor );
+ // don't capture the cursor yet
+ ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, FALSE);
}
}
- else
+ else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
{
- m_cursorMode = WXGRID_CURSOR_SELECT_CELL;
- if ( m_colLabelWin->GetCursor() == m_colResizeCursor )
- m_colLabelWin->SetCursor( *wxSTANDARD_CURSOR );
+ ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, FALSE);
}
}
}
}
}
+void wxGrid::ChangeCursorMode(CursorMode mode,
+ wxWindow *win,
+ bool captureMouse)
+{
+#ifdef __WXDEBUG__
+ static const wxChar *cursorModes[] =
+ {
+ _T("SELECT_CELL"),
+ _T("RESIZE_ROW"),
+ _T("RESIZE_COL"),
+ _T("SELECT_ROW"),
+ _T("SELECT_COL")
+ };
+
+ wxLogTrace(_T("grid"),
+ _T("wxGrid cursor mode (mouse capture for %s): %s -> %s"),
+ win == m_colLabelWin ? _T("colLabelWin")
+ : win ? _T("rowLabelWin")
+ : _T("gridWin"),
+ cursorModes[m_cursorMode], cursorModes[mode]);
+#endif // __WXDEBUG__
+
+ if ( mode == m_cursorMode )
+ return;
+
+ if ( !win )
+ {
+ // by default use the grid itself
+ win = m_gridWin;
+ }
+
+ if ( m_winCapture )
+ {
+ m_winCapture->ReleaseMouse();
+ m_winCapture = (wxWindow *)NULL;
+ }
+
+ m_cursorMode = mode;
+
+ switch ( m_cursorMode )
+ {
+ case WXGRID_CURSOR_RESIZE_ROW:
+ win->SetCursor( m_rowResizeCursor );
+ break;
+
+ case WXGRID_CURSOR_RESIZE_COL:
+ win->SetCursor( m_colResizeCursor );
+ break;
+
+ default:
+ win->SetCursor( *wxSTANDARD_CURSOR );
+ }
+
+ // we need to capture mouse when resizing
+ bool resize = m_cursorMode == WXGRID_CURSOR_RESIZE_ROW ||
+ m_cursorMode == WXGRID_CURSOR_RESIZE_COL;
+
+ if ( captureMouse && resize )
+ {
+ win->CaptureMouse();
+ m_winCapture = win;
+ }
+}
void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
{
}
}
}
+ else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
+ {
+ int cw, ch, left, dummy;
+ m_gridWin->GetClientSize( &cw, &ch );
+ CalcUnscrolledPosition( 0, 0, &left, &dummy );
+
+ wxClientDC dc( m_gridWin );
+ PrepareDC( dc );
+ dc.SetLogicalFunction(wxINVERT);
+ if ( m_dragLastPos >= 0 )
+ {
+ dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
+ }
+ dc.DrawLine( left, y, left+cw, y );
+ m_dragLastPos = y;
+ }
+ else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
+ {
+ int cw, ch, dummy, top;
+ m_gridWin->GetClientSize( &cw, &ch );
+ CalcUnscrolledPosition( 0, 0, &dummy, &top );
+
+ wxClientDC dc( m_gridWin );
+ PrepareDC( dc );
+ dc.SetLogicalFunction(wxINVERT);
+ if ( m_dragLastPos >= 0 )
+ {
+ dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
+ }
+ dc.DrawLine( x, top, x, top+ch );
+ m_dragLastPos = x;
+ }
return;
}
if ( coords != wxGridNoCellCoords )
{
+ // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
+ // immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under
+ // wxGTK
+#if 0
+ if ( event.Entering() || event.Leaving() )
+ {
+ ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
+ m_gridWin->SetCursor( *wxSTANDARD_CURSOR );
+ }
+ else
+#endif // 0
+
+ // ------------ Left button pressed
+ //
if ( event.LeftDown() )
{
if ( event.ShiftDown() )
{
SelectBlock( m_currentCellCoords, coords );
}
- else
+ else if ( XToEdgeOfCol(x) < 0 &&
+ YToEdgeOfRow(y) < 0 )
{
if ( !SendEvent( EVT_GRID_CELL_LEFT_CLICK,
coords.GetRow(),
//
else if ( event.LeftDClick() )
{
- SendEvent( EVT_GRID_CELL_LEFT_DCLICK,
- coords.GetRow(),
- coords.GetCol(),
- event );
+ if ( XToEdgeOfCol(x) < 0 && YToEdgeOfRow(y) < 0 )
+ {
+ SendEvent( EVT_GRID_CELL_LEFT_DCLICK,
+ coords.GetRow(),
+ coords.GetCol(),
+ event );
+ }
}
{
SendEvent( EVT_GRID_RANGE_SELECT, -1, -1, event );
}
+
+ // Show the edit control, if it has
+ // been hidden for drag-shrinking.
+ if ( IsCellEditControlEnabled() )
+ ShowCellEditControl();
}
+ else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
+ {
+ ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
+ DoEndDragResizeRow();
- // Show the edit control, if it has
- // been hidden for drag-shrinking.
- if ( IsCellEditControlEnabled() )
- ShowCellEditControl();
+ // Note: we are ending the event *after* doing
+ // default processing in this case
+ //
+ SendEvent( EVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
+ }
+ else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
+ {
+ ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
+ DoEndDragResizeCol();
+
+ // Note: we are ending the event *after* doing
+ // default processing in this case
+ //
+ SendEvent( EVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
+ }
m_dragLastPos = -1;
}
//
else if ( event.Moving() && !event.IsButton() )
{
- m_cursorMode = WXGRID_CURSOR_SELECT_CELL;
+ int dragRow = YToEdgeOfRow( y );
+ int dragCol = XToEdgeOfCol( x );
+
+ // Dragging on the corner of a cell to resize in both
+ // directions is not implemented yet...
+ //
+ if ( dragRow >= 0 && dragCol >= 0 )
+ {
+ ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
+ return;
+ }
+
+ if ( dragRow >= 0 )
+ {
+ m_dragRowOrCol = dragRow;
+
+ if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
+ {
+ ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
+ }
+
+ return;
+ }
+
+ if ( dragCol >= 0 )
+ {
+ m_dragRowOrCol = dragCol;
+
+ if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
+ {
+ ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
+ }
+
+ return;
+ }
+
+ // Neither on a row or col edge
+ //
+ if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
+ {
+ ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
+ }
+ }
+ }
+}
+
+
+void wxGrid::DoEndDragResizeRow()
+{
+ if ( m_dragLastPos >= 0 )
+ {
+ // erase the last line and resize the row
+ //
+ int cw, ch, left, dummy;
+ m_gridWin->GetClientSize( &cw, &ch );
+ CalcUnscrolledPosition( 0, 0, &left, &dummy );
+
+ wxClientDC dc( m_gridWin );
+ PrepareDC( dc );
+ dc.SetLogicalFunction( wxINVERT );
+ dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
+ HideCellEditControl();
+
+ int rowTop = m_rowBottoms[m_dragRowOrCol] - m_rowHeights[m_dragRowOrCol];
+ SetRowSize( m_dragRowOrCol,
+ wxMax( m_dragLastPos - rowTop, WXGRID_MIN_ROW_HEIGHT ) );
+
+ if ( !GetBatchCount() )
+ {
+ // Only needed to get the correct rect.y:
+ wxRect rect ( CellToRect( m_dragRowOrCol, 0 ) );
+ rect.x = 0;
+ CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
+ rect.width = m_rowLabelWidth;
+ rect.height = ch - rect.y;
+ m_rowLabelWin->Refresh( TRUE, &rect );
+ rect.width = cw;
+ m_gridWin->Refresh( FALSE, &rect );
+ }
+
+ ShowCellEditControl();
+ }
+}
+
+
+void wxGrid::DoEndDragResizeCol()
+{
+ if ( m_dragLastPos >= 0 )
+ {
+ // erase the last line and resize the col
+ //
+ int cw, ch, dummy, top;
+ m_gridWin->GetClientSize( &cw, &ch );
+ CalcUnscrolledPosition( 0, 0, &dummy, &top );
+
+ wxClientDC dc( m_gridWin );
+ PrepareDC( dc );
+ dc.SetLogicalFunction( wxINVERT );
+ dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
+ HideCellEditControl();
+
+ int colLeft = m_colRights[m_dragRowOrCol] - m_colWidths[m_dragRowOrCol];
+ SetColSize( m_dragRowOrCol,
+ wxMax( m_dragLastPos - colLeft, WXGRID_MIN_COL_WIDTH ) );
+
+ if ( !GetBatchCount() )
+ {
+ // Only needed to get the correct rect.x:
+ wxRect rect ( CellToRect( 0, m_dragRowOrCol ) );
+ rect.y = 0;
+ CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
+ rect.width = cw - rect.x;
+ rect.height = m_colLabelHeight;
+ m_colLabelWin->Refresh( TRUE, &rect );
+ rect.height = ch;
+ m_gridWin->Refresh( FALSE, &rect );
}
+
+ ShowCellEditControl();
}
}
+
//
// ------ interaction with data model
//
m_inOnKeyDown = FALSE;
}
+void wxGrid::OnEraseBackground(wxEraseEvent&)
+{ }
void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
{
void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
{
- if ( m_colWidths[coords.GetCol()] <=0 ||
- m_rowHeights[coords.GetRow()] <= 0 ) return;
+ int row = coords.GetRow();
+ int col = coords.GetCol();
+ if ( m_colWidths[col] <= 0 || m_rowHeights[row] <= 0 )
+ return;
+
+ // we draw the cell border ourselves
#if !WXGRID_DRAW_LINES
if ( m_gridLinesEnabled )
DrawCellBorder( dc, coords );
#endif
- DrawCellBackground( dc, coords );
+ // but all the rest is drawn by the cell renderer and hence may be
+ // customized
+ wxRect rect;
+ rect.x = m_colRights[col] - m_colWidths[col] + 1;
+ rect.y = m_rowBottoms[row] - m_rowHeights[row] + 1;
+ rect.width = m_colWidths[col] - 1;
+ rect.height = m_rowHeights[row] - 1;
- // TODO: separate functions here for different kinds of cells ?
- // e.g. text, image
- //
- DrawCellValue( dc, coords );
+ wxGridCellAttr* attr = GetCellAttr(row, col);
+ attr->GetRenderer()->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
+ attr->DecRef();
}
-
void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
{
if ( m_colWidths[coords.GetCol()] <=0 ||
int row = coords.GetRow();
int col = coords.GetCol();
- // right hand border
- //
- dc.DrawLine( m_colRights[col], m_rowBottoms[row] - m_rowHeights[row],
- m_colRights[col], m_rowBottoms[row] );
-
- // bottom border
- //
- dc.DrawLine( m_colRights[col] - m_colWidths[col], m_rowBottoms[row],
- m_colRights[col], m_rowBottoms[row] );
-}
-
-
-void wxGrid::DrawCellBackground( wxDC& dc, const wxGridCellCoords& coords )
-{
- if ( m_colWidths[coords.GetCol()] <=0 ||
- m_rowHeights[coords.GetRow()] <= 0 ) return;
-
- int row = coords.GetRow();
- int col = coords.GetCol();
-
- dc.SetBackgroundMode( wxSOLID );
-
- if ( IsInSelection( coords ) )
- {
- // TODO: improve this
- //
- dc.SetBrush( *wxBLACK_BRUSH );
- }
- else
- {
- dc.SetBrush( wxBrush(GetCellBackgroundColour(row, col), wxSOLID) );
- }
-
- dc.SetPen( *wxTRANSPARENT_PEN );
-
- dc.DrawRectangle( m_colRights[col] - m_colWidths[col] + 1,
- m_rowBottoms[row] - m_rowHeights[row] + 1,
- m_colWidths[col]-1,
- m_rowHeights[row]-1 );
-}
-
-
-void wxGrid::DrawCellValue( wxDC& dc, const wxGridCellCoords& coords )
-{
- if ( m_colWidths[coords.GetCol()] <=0 ||
- m_rowHeights[coords.GetRow()] <= 0 ) return;
-
- int row = coords.GetRow();
- int col = coords.GetCol();
-
- 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 );
-
- wxRect rect;
- rect.SetX( m_colRights[col] - m_colWidths[col] + 2 );
- rect.SetY( m_rowBottoms[row] - m_rowHeights[row] + 2 );
- rect.SetWidth( m_colWidths[col] - 4 );
- rect.SetHeight( m_rowHeights[row] - 4 );
+ // right hand border
+ //
+ dc.DrawLine( m_colRights[col], m_rowBottoms[row] - m_rowHeights[row],
+ m_colRights[col], m_rowBottoms[row] );
- DrawTextRectangle( dc, GetCellValue( row, col ), rect, hAlign, vAlign );
+ // bottom border
+ //
+ dc.DrawLine( m_colRights[col] - m_colWidths[col], m_rowBottoms[row],
+ m_colRights[col], m_rowBottoms[row] );
}
-
// TODO: remove this ???
// This is used to redraw all grid lines e.g. when the grid line colour
// has been changed
{
int startPos = 0;
int pos;
- wxTextFile tf;
- wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
+ wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix );
-
+
while ( startPos < (int)tVal.Length() )
{
pos = tVal.Mid(startPos).Find( eol );
return m_colWidths[col];
}
-wxColour wxGrid::GetDefaultCellBackgroundColour()
+// ============================================================================
+// access to the grid attributes: each of them has a default value in the grid
+// itself and may be overidden on a per-cell basis
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// setting default attributes
+// ----------------------------------------------------------------------------
+
+void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
+{
+ m_defaultCellAttr->SetBackgroundColour(col);
+}
+
+void wxGrid::SetDefaultCellTextColour( const wxColour& col )
{
- return m_gridWin->GetBackgroundColour();
+ m_defaultCellAttr->SetTextColour(col);
}
-// TODO VZ: this must be optimized to allow only retrieveing attr once!
+void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
+{
+ m_defaultCellAttr->SetAlignment(horiz, vert);
+}
-wxColour wxGrid::GetCellBackgroundColour(int row, int col)
+void wxGrid::SetDefaultCellFont( const wxFont& font )
{
- wxGridCellAttr *attr = m_table ? m_table->GetAttr(row, col) : NULL;
+ m_defaultCellAttr->SetFont(font);
+}
- wxColour colour;
- if ( attr && attr->HasBackgroundColour() )
- colour = attr->GetBackgroundColour();
- else
- colour = GetDefaultCellBackgroundColour();
+void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
+{
+ m_defaultCellAttr->SetRenderer(renderer);
+}
- delete attr;
+// ----------------------------------------------------------------------------
+// access to the default attrbiutes
+// ----------------------------------------------------------------------------
- return colour;
+wxColour wxGrid::GetDefaultCellBackgroundColour()
+{
+ return m_defaultCellAttr->GetBackgroundColour();
}
wxColour wxGrid::GetDefaultCellTextColour()
{
- return m_gridWin->GetForegroundColour();
+ return m_defaultCellAttr->GetTextColour();
}
-wxColour wxGrid::GetCellTextColour( int row, int col )
+wxFont wxGrid::GetDefaultCellFont()
{
- wxGridCellAttr *attr = m_table ? m_table->GetAttr(row, col) : NULL;
+ return m_defaultCellAttr->GetFont();
+}
- wxColour colour;
- if ( attr && attr->HasTextColour() )
- colour = attr->GetTextColour();
- else
- colour = GetDefaultCellTextColour();
+void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
+{
+ m_defaultCellAttr->GetAlignment(horiz, vert);
+}
+
+wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
+{
+ return m_defaultCellAttr->GetRenderer();
+}
- delete attr;
+// ----------------------------------------------------------------------------
+// access to cell attributes
+// ----------------------------------------------------------------------------
+wxColour wxGrid::GetCellBackgroundColour(int row, int col)
+{
+ wxGridCellAttr *attr = GetCellAttr(row, col);
+ wxColour colour = attr->GetBackgroundColour();
+ attr->SafeDecRef();
return colour;
}
-
-wxFont wxGrid::GetDefaultCellFont()
+wxColour wxGrid::GetCellTextColour( int row, int col )
{
- return m_defaultCellFont;
+ wxGridCellAttr *attr = GetCellAttr(row, col);
+ wxColour colour = attr->GetTextColour();
+ attr->SafeDecRef();
+ return colour;
}
wxFont wxGrid::GetCellFont( int row, int col )
{
- wxGridCellAttr *attr = m_table ? m_table->GetAttr(row, col) : NULL;
+ wxGridCellAttr *attr = GetCellAttr(row, col);
+ wxFont font = attr->GetFont();
+ attr->SafeDecRef();
+ return font;
+}
+
+void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
+{
+ wxGridCellAttr *attr = GetCellAttr(row, col);
+ attr->GetAlignment(horiz, vert);
+ attr->SafeDecRef();
+}
+
+wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
+{
+ wxGridCellAttr* attr = GetCellAttr(row, col);
+ wxGridCellRenderer* renderer = attr->GetRenderer();
+ attr->DecRef();
+ return renderer;
+}
+
+// ----------------------------------------------------------------------------
+// attribute support: cache, automatic provider creation, ...
+// ----------------------------------------------------------------------------
+
+bool wxGrid::CanHaveAttributes()
+{
+ if ( !m_table )
+ {
+ return FALSE;
+ }
+
+ // RD: Maybe m_table->CanHaveAttributes() would be better in case the
+ // table is providing the attributes itself??? In which case
+ // I don't think the grid should create a Provider object for the
+ // table but the table should be smart enough to do that on its own.
+ if ( !m_table->GetAttrProvider() )
+ {
+ // use the default attr provider by default
+ // (another choice would be to just return FALSE thus forcing the user
+ // to it himself)
+ m_table->SetAttrProvider(new wxGridCellAttrProvider);
+ }
+
+ return TRUE;
+}
+
+void wxGrid::ClearAttrCache()
+{
+ if ( m_attrCache.row != -1 )
+ {
+ m_attrCache.attr->SafeDecRef();
+ m_attrCache.row = -1;
+ }
+}
+
+void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
+{
+ wxGrid *self = (wxGrid *)this; // const_cast
+
+ self->ClearAttrCache();
+ self->m_attrCache.row = row;
+ self->m_attrCache.col = col;
+ self->m_attrCache.attr = attr;
+ attr->SafeIncRef();
+}
+
+bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
+{
+ if ( row == m_attrCache.row && col == m_attrCache.col )
+ {
+ *attr = m_attrCache.attr;
+ (*attr)->SafeIncRef();
+
+#ifdef DEBUG_ATTR_CACHE
+ gs_nAttrCacheHits++;
+#endif
- wxFont font;
- if ( attr && attr->HasFont() )
- font = attr->GetFont();
+ return TRUE;
+ }
else
- font = GetDefaultCellFont();
+ {
+#ifdef DEBUG_ATTR_CACHE
+ gs_nAttrCacheMisses++;
+#endif
+ return FALSE;
+ }
+}
- delete attr;
+wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
+{
+ wxGridCellAttr *attr;
+ if ( !LookupAttr(row, col, &attr) )
+ {
+ attr = m_table ? m_table->GetAttr(row, col) : (wxGridCellAttr *)NULL;
+ CacheAttr(row, col, attr);
+ }
+ if (attr) {
+ attr->SetDefAttr(m_defaultCellAttr);
+ } else {
+ attr = m_defaultCellAttr;
+ attr->IncRef();
+ }
- return font;
+ return attr;
}
-void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
+wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
{
- if ( horiz )
- *horiz = m_defaultCellHAlign;
- if ( vert )
- *vert = m_defaultCellVAlign;
+ wxGridCellAttr *attr;
+ if ( !LookupAttr(row, col, &attr) || !attr )
+ {
+ 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);
+ if ( !attr )
+ {
+ attr = new wxGridCellAttr;
+
+ // artificially inc the ref count to match DecRef() in caller
+ attr->IncRef();
+
+ m_table->SetAttr(attr, row, col);
+ }
+
+ CacheAttr(row, col, attr);
+ }
+ attr->SetDefAttr(m_defaultCellAttr);
+ return attr;
}
-void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
+// ----------------------------------------------------------------------------
+// setting cell attributes: this is forwarded to the table
+// ----------------------------------------------------------------------------
+
+void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
{
- wxGridCellAttr *attr = m_table ? m_table->GetAttr(row, col) : NULL;
+ if ( CanHaveAttributes() )
+ {
+ m_table->SetRowAttr(attr, row);
+ }
+ else
+ {
+ attr->SafeDecRef();
+ }
+}
- if ( attr && attr->HasAlignment() )
- attr->GetAlignment(horiz, vert);
+void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
+{
+ if ( CanHaveAttributes() )
+ {
+ m_table->SetColAttr(attr, col);
+ }
else
- GetDefaultCellAlignment(horiz, vert);
+ {
+ attr->SafeDecRef();
+ }
+}
+
+void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
+{
+ if ( CanHaveAttributes() )
+ {
+ wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
+ attr->SetBackgroundColour(colour);
+ attr->DecRef();
+ }
+}
+
+void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
+{
+ if ( CanHaveAttributes() )
+ {
+ wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
+ attr->SetTextColour(colour);
+ attr->DecRef();
+ }
+}
+
+void wxGrid::SetCellFont( int row, int col, const wxFont& font )
+{
+ if ( CanHaveAttributes() )
+ {
+ wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
+ attr->SetFont(font);
+ attr->DecRef();
+ }
+}
+
+void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
+{
+ if ( CanHaveAttributes() )
+ {
+ wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
+ attr->SetAlignment(horiz, vert);
+ attr->DecRef();
+ }
+}
- delete attr;
+void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
+{
+ if ( CanHaveAttributes() )
+ {
+ wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
+ attr->SetRenderer(renderer);
+ attr->DecRef();
+ }
}
+// ----------------------------------------------------------------------------
+// row/col size
+// ----------------------------------------------------------------------------
+
void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
{
m_defaultRowHeight = wxMax( height, WXGRID_MIN_ROW_HEIGHT );
m_rowBottoms[i] += diff;
}
CalcDimensions();
-
- // Note: we are ending the event *after* doing
- // default processing in this case
- //
- SendEvent( EVT_GRID_ROW_SIZE,
- row, -1 );
}
void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
m_colRights[i] += diff;
}
CalcDimensions();
-
- // Note: we are ending the event *after* doing
- // default processing in this case
- //
- SendEvent( EVT_GRID_COL_SIZE,
- -1, col );
-}
-
-void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
-{
- m_gridWin->SetBackgroundColour(col);
-}
-
-void wxGrid::SetDefaultCellTextColour( const wxColour& col )
-{
- m_gridWin->SetForegroundColour(col);
-}
-
-void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
-{
- m_defaultCellHAlign = horiz;
- m_defaultCellVAlign = vert;
-}
-
-bool wxGrid::CanHaveAttributes()
-{
- if ( !m_table )
- {
- return FALSE;
- }
-
- if ( !m_table->GetAttrProvider() )
- {
- // use the default attr provider by default
- // (another choice would be to just return FALSE thus forcing the user
- // to it himself)
- m_table->SetAttrProvider(new wxGridCellAttrProvider);
- }
-
- return TRUE;
-}
-
-void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
-{
- if ( CanHaveAttributes() )
- {
- wxGridCellAttr *attr = new wxGridCellAttr;
- attr->SetBackgroundColour(colour);
-
- m_table->SetAttr(attr, row, col);
- }
}
-void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
-{
- if ( CanHaveAttributes() )
- {
- wxGridCellAttr *attr = new wxGridCellAttr;
- attr->SetTextColour(colour);
-
- m_table->SetAttr(attr, row, col);
- }
-}
-
-void wxGrid::SetDefaultCellFont( const wxFont& font )
-{
- m_defaultCellFont = font;
-}
-
-void wxGrid::SetCellFont( int row, int col, const wxFont& font )
-{
- if ( CanHaveAttributes() )
- {
- wxGridCellAttr *attr = new wxGridCellAttr;
- attr->SetFont(font);
-
- m_table->SetAttr(attr, row, col);
- }
-}
-
-void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
-{
- if ( CanHaveAttributes() )
- {
- wxGridCellAttr *attr = new wxGridCellAttr;
- attr->SetAlignment(horiz, vert);
-
- m_table->SetAttr(attr, row, col);
- }
-}
-
-
//
// ------ cell value accessor functions
projects / wxWidgets.git / blobdiff