-/////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////
// 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/generic/grid.h"
// ----------------------------------------------------------------------------
-// array classes instantiation
+// array classes
// ----------------------------------------------------------------------------
+WX_DEFINE_ARRAY(wxGridCellAttr *, wxArrayAttrs);
+
struct wxGridCellWithAttr
{
wxGridCellWithAttr(int row, int col, wxGridCellAttr *attr_)
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(wxGridCellAttr *attr, int row, int col);
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 );
// 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();
+ }
+}
+
// ----------------------------------------------------------------------------
// wxGridCellRenderer
// ----------------------------------------------------------------------------
void wxGridCellRenderer::Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
wxDC& dc,
const wxRect& rect,
int row, int col,
if ( isSelected )
{
- // FIXME customize
- dc.SetBrush( *wxBLACK_BRUSH );
+ dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
}
else
{
- dc.SetBrush( wxBrush(grid.GetCellBackgroundColour(row, col), wxSOLID) );
+ dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
}
dc.SetPen( *wxTRANSPARENT_PEN );
}
void wxGridCellStringRenderer::Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
wxDC& dc,
const wxRect& rectCell,
int row, int col,
bool isSelected)
{
- wxGridCellRenderer::Draw(grid, dc, rectCell, row, col, isSelected);
+ wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
// now we only have to draw the text
dc.SetBackgroundMode( wxTRANSPARENT );
if ( isSelected )
{
- // FIXME customize
- dc.SetTextBackground( wxColour(0, 0, 0) );
- dc.SetTextForeground( wxColour(255, 255, 255) );
+ dc.SetTextBackground( grid.GetSelectionBackground() );
+ dc.SetTextForeground( grid.GetSelectionForeground() );
}
else
{
- dc.SetTextBackground( grid.GetCellBackgroundColour(row, col) );
- dc.SetTextForeground( grid.GetCellTextColour(row, col) );
+ dc.SetTextBackground( attr.GetBackgroundColour() );
+ dc.SetTextForeground( attr.GetTextColour() );
}
- dc.SetFont( grid.GetCellFont(row, col) );
+ dc.SetFont( attr.GetFont() );
int hAlign, vAlign;
- grid.GetCellAlignment(row, col, &hAlign, &vAlign);
+ attr.GetAlignment(&hAlign, &vAlign);
wxRect rect = rectCell;
rect.x++;
}
// ----------------------------------------------------------------------------
-// wxGridCellAttrProviderData
+// 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 wxGridCellAttrProviderData::SetAttr(wxGridCellAttr *attr,
- int row, int col)
+void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col)
{
int n = FindIndex(row, col);
if ( n == wxNOT_FOUND )
}
}
-wxGridCellAttr *wxGridCellAttrProviderData::GetAttr(int row, int col) const
+wxGridCellAttr *wxGridCellAttrData::GetAttr(int row, int col) const
{
wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
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(wxGridCellAttr *attr,
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(wxGridCellAttr *attr, int row, int col )
+void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
{
if ( m_attrProvider )
{
}
}
+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();
+ }
+}
+
bool wxGridTableBase::InsertRows( size_t pos, size_t numRows )
{
wxFAIL_MSG( wxT("Called grid table class function InsertRows\n"
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_defaultRenderer;
- 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_defaultRenderer = (wxGridCellRenderer *)NULL;
m_gridLineColour = wxColour( 128, 128, 255 );
m_gridLinesEnabled = TRUE;
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
m_inOnKeyDown = FALSE;
}
+void wxGrid::OnEraseBackground(wxEraseEvent&)
+{ }
void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
{
// but all the rest is drawn by the cell renderer and hence may be
// customized
- wxGridCellRenderer *renderer = GetCellRenderer(row, col);
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;
- renderer->Draw(*this, dc, rect, row, col, IsInSelection(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 )
void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
{
- m_gridWin->SetBackgroundColour(col);
+ m_defaultCellAttr->SetBackgroundColour(col);
}
void wxGrid::SetDefaultCellTextColour( const wxColour& col )
{
- m_gridWin->SetForegroundColour(col);
+ m_defaultCellAttr->SetTextColour(col);
}
void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
{
- m_defaultCellHAlign = horiz;
- m_defaultCellVAlign = vert;
+ m_defaultCellAttr->SetAlignment(horiz, vert);
}
void wxGrid::SetDefaultCellFont( const wxFont& font )
{
- m_defaultCellFont = font;
+ m_defaultCellAttr->SetFont(font);
+}
+
+void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
+{
+ m_defaultCellAttr->SetRenderer(renderer);
}
// ----------------------------------------------------------------------------
wxColour wxGrid::GetDefaultCellBackgroundColour()
{
- return m_gridWin->GetBackgroundColour();
+ return m_defaultCellAttr->GetBackgroundColour();
}
wxColour wxGrid::GetDefaultCellTextColour()
{
- return m_gridWin->GetForegroundColour();
+ return m_defaultCellAttr->GetTextColour();
}
wxFont wxGrid::GetDefaultCellFont()
{
- return m_defaultCellFont;
+ return m_defaultCellAttr->GetFont();
}
void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
{
- if ( horiz )
- *horiz = m_defaultCellHAlign;
- if ( vert )
- *vert = m_defaultCellVAlign;
+ m_defaultCellAttr->GetAlignment(horiz, vert);
}
-wxGridCellRenderer *wxGrid::GetCellRenderer(int row, int col)
+wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
{
- wxGridCellRenderer *renderer = (wxGridCellRenderer *)NULL;
- wxGridCellAttr *attr = m_table ? m_table->GetAttr(row, col) : NULL;
- if ( attr )
- {
- renderer = attr->GetRenderer();
-
- attr->DecRef();
- }
-
- if ( !renderer )
- {
- if ( !m_defaultRenderer )
- {
- m_defaultRenderer = new wxGridCellStringRenderer;
- }
-
- renderer = m_defaultRenderer;
- }
-
- return renderer;
+ return m_defaultCellAttr->GetRenderer();
}
// ----------------------------------------------------------------------------
// access to cell attributes
// ----------------------------------------------------------------------------
-// TODO VZ: we must cache the attr to allow only retrieveing it once!
-
wxColour wxGrid::GetCellBackgroundColour(int row, int col)
{
- wxGridCellAttr *attr = m_table ? m_table->GetAttr(row, col) : NULL;
-
- wxColour colour;
- if ( attr && attr->HasBackgroundColour() )
- colour = attr->GetBackgroundColour();
- else
- colour = GetDefaultCellBackgroundColour();
-
+ wxGridCellAttr *attr = GetCellAttr(row, col);
+ wxColour colour = attr->GetBackgroundColour();
attr->SafeDecRef();
-
return colour;
}
wxColour wxGrid::GetCellTextColour( int row, int col )
{
- wxGridCellAttr *attr = m_table ? m_table->GetAttr(row, col) : NULL;
-
- wxColour colour;
- if ( attr && attr->HasTextColour() )
- colour = attr->GetTextColour();
- else
- colour = GetDefaultCellTextColour();
-
+ 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;
-
- wxFont font;
- if ( attr && attr->HasFont() )
- font = attr->GetFont();
- else
- font = GetDefaultCellFont();
-
+ 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 = m_table ? m_table->GetAttr(row, col) : NULL;
-
- if ( attr && attr->HasAlignment() )
- attr->GetAlignment(horiz, vert);
- else
- GetDefaultCellAlignment(horiz, 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;
+}
+
// ----------------------------------------------------------------------------
-// setting cell attributes: this is forwarded to the table
+// attribute support: cache, automatic provider creation, ...
// ----------------------------------------------------------------------------
bool wxGrid::CanHaveAttributes()
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
return TRUE;
}
-wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
+void wxGrid::ClearAttrCache()
{
- wxGridCellAttr *attr = m_table->GetAttr(row, col);
- if ( !attr )
+ if ( m_attrCache.row != -1 )
{
- attr = new wxGridCellAttr;
+ m_attrCache.attr->SafeDecRef();
+ m_attrCache.row = -1;
+ }
+}
- // artificially inc the ref count to match DecRef() in caller
- attr->IncRef();
+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
+
+ return TRUE;
+ }
+ else
+ {
+#ifdef DEBUG_ATTR_CACHE
+ gs_nAttrCacheMisses++;
+#endif
+ return FALSE;
+ }
+}
- m_table->SetAttr(attr, row, col);
+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 attr;
+}
+
+wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
+{
+ 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;
}
+// ----------------------------------------------------------------------------
+// setting cell attributes: this is forwarded to the table
+// ----------------------------------------------------------------------------
+
+void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
+{
+ if ( CanHaveAttributes() )
+ {
+ m_table->SetRowAttr(attr, row);
+ }
+ else
+ {
+ attr->SafeDecRef();
+ }
+}
+
+void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
+{
+ if ( CanHaveAttributes() )
+ {
+ m_table->SetColAttr(attr, col);
+ }
+ else
+ {
+ attr->SafeDecRef();
+ }
+}
+
void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
{
if ( CanHaveAttributes() )
{
- wxGridCellAttr *attr = GetCellAttr(row, col);
+ wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->SetBackgroundColour(colour);
attr->DecRef();
}
{
if ( CanHaveAttributes() )
{
- wxGridCellAttr *attr = GetCellAttr(row, col);
+ wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->SetTextColour(colour);
attr->DecRef();
}
{
if ( CanHaveAttributes() )
{
- wxGridCellAttr *attr = GetCellAttr(row, col);
+ wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->SetFont(font);
attr->DecRef();
}
{
if ( CanHaveAttributes() )
{
- wxGridCellAttr *attr = GetCellAttr(row, col);
+ wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->SetAlignment(horiz, vert);
attr->DecRef();
}
{
if ( CanHaveAttributes() )
{
- wxGridCellAttr *attr = GetCellAttr(row, col);
+ wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->SetRenderer(renderer);
attr->DecRef();
}
projects / wxWidgets.git / blobdiff