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added wxGridCellRenderer

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5971 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-02-11 19:40:56 +00:00
parent 2e9a678817
commit ab79958a7f
4 changed files with 290 additions and 111 deletions
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196
src/generic/grid.cpp
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@@ -189,6 +189,74 @@ 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
// ============================================================================
// ----------------------------------------------------------------------------
// wxGridCellRenderer
// ----------------------------------------------------------------------------
void wxGridCellRenderer::Draw(wxGrid& grid,
wxDC& dc,
const wxRect& rect,
int row, int col,
bool isSelected)
{
dc.SetBackgroundMode( wxSOLID );
if ( isSelected )
{
// FIXME customize
dc.SetBrush( *wxBLACK_BRUSH );
}
else
{
dc.SetBrush( wxBrush(grid.GetCellBackgroundColour(row, col), wxSOLID) );
}
dc.SetPen( *wxTRANSPARENT_PEN );
dc.DrawRectangle(rect);
}
void wxGridCellStringRenderer::Draw(wxGrid& grid,
wxDC& dc,
const wxRect& rectCell,
int row, int col,
bool isSelected)
{
wxGridCellRenderer::Draw(grid, 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) );
}
else
{
dc.SetTextBackground( grid.GetCellBackgroundColour(row, col) );
dc.SetTextForeground( grid.GetCellTextColour(row, col) );
}
dc.SetFont( grid.GetCellFont(row, col) );
int hAlign, vAlign;
grid.GetCellAlignment(row, col, &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);
}
// ----------------------------------------------------------------------------
// wxGridCellAttrProviderData
// ----------------------------------------------------------------------------
@@ -1181,6 +1249,7 @@ wxGrid::wxGrid( wxWindow *parent,
wxGrid::~wxGrid()
{
delete m_defaultRenderer;
delete m_table;
}
@@ -1323,6 +1392,8 @@ void wxGrid::Init()
m_defaultCellHAlign = wxLEFT;
m_defaultCellVAlign = wxTOP;
m_defaultRenderer = (wxGridCellRenderer *)NULL;
m_gridLineColour = wxColour( 128, 128, 255 );
m_gridLinesEnabled = TRUE;
@@ -3096,23 +3167,30 @@ void wxGrid::DrawGridCellArea( wxDC& dc )
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
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;
// TODO: separate functions here for different kinds of cells ?
// e.g. text, image
//
DrawCellValue( dc, coords );
renderer->Draw(*this, dc, rect, row, col, IsInSelection(coords));
}
void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
{
if ( m_colWidths[coords.GetCol()] <=0 ||
@@ -3134,74 +3212,6 @@ void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
}
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 );
DrawTextRectangle( dc, GetCellValue( row, col ), rect, hAlign, vAlign );
}
// TODO: remove this ???
// This is used to redraw all grid lines e.g. when the grid line colour
// has been changed
@@ -4627,6 +4637,30 @@ void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
*vert = m_defaultCellVAlign;
}
wxGridCellRenderer *wxGrid::GetCellRenderer(int row, int col)
{
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;
}
// ----------------------------------------------------------------------------
// access to cell attributes
// ----------------------------------------------------------------------------
@@ -4768,6 +4802,16 @@ void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
}
}
void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
{
if ( CanHaveAttributes() )
{
wxGridCellAttr *attr = GetCellAttr(row, col);
attr->SetRenderer(renderer);
attr->DecRef();
}
}
// ----------------------------------------------------------------------------
// row/col size
// ----------------------------------------------------------------------------