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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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73
include/wx/generic/grid.h
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@@ -54,12 +54,51 @@
// forward declarations
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxGrid;
class WXDLLEXPORT wxGridCellAttr;
class WXDLLEXPORT wxGridCellAttrProviderData;
class WXDLLEXPORT wxGridRowLabelWindow;
class WXDLLEXPORT wxGridColLabelWindow;
class WXDLLEXPORT wxGridCornerLabelWindow;
class WXDLLEXPORT wxGridRowLabelWindow;
class WXDLLEXPORT wxGridTableBase;
class WXDLLEXPORT wxGridWindow;
class WXDLLEXPORT wxGrid;
// ----------------------------------------------------------------------------
// wxGridCellRenderer: this class is responsible for actually drawing the cell
// in the grid. You may pass it to the wxGridCellAttr (below) to change the
// format of one given cell or to wxGrid::SetDefaultRenderer() to change the
// view of all cells. This is an ABC, you will normally use one of the
// predefined derived classes or derive oyur own class from it.
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxGridCellRenderer
{
public:
// draw the given cell on the provided DC inside the given rectangle
// using the style specified by the attribute and the default or selected
// state corresponding to the isSelected value.
//
// this pure virtual function has a default implementation which will
// prepare the DC using the given attribute: it will draw the rectangle
// with the bg colour from attr and set the text colour and font
virtual void Draw(wxGrid& grid,
wxDC& dc,
const wxRect& rect,
int row, int col,
bool isSelected) = 0;
};
// the default renderer for the cells containing string data
class WXDLLEXPORT wxGridCellStringRenderer : public wxGridCellRenderer
{
public:
// draw the string
virtual void Draw(wxGrid& grid,
wxDC& dc,
const wxRect& rect,
int row, int col,
bool isSelected);
};
// ----------------------------------------------------------------------------
// wxGridCellAttr: this class can be used to alter the cells appearance in
@@ -107,6 +146,10 @@ public:
m_vAlign = vAlign;
}
// takes ownership of the pointer
void SetRenderer(wxGridCellRenderer *renderer)
{ delete m_renderer; m_renderer = renderer; }
// accessors
bool HasTextColour() const { return m_colText.Ok(); }
bool HasBackgroundColour() const { return m_colBack.Ok(); }
@@ -122,12 +165,14 @@ public:
if ( vAlign ) *vAlign = m_vAlign;
}
wxGridCellRenderer *GetRenderer() const { return m_renderer; }
private:
// the common part of all ctors
void Init() { m_nRef = 1; }
void Init() { m_nRef = 1; m_renderer = (wxGridCellRenderer *)NULL; }
// the dtor is private because only DecRef() can delete us
~wxGridCellAttr() { }
~wxGridCellAttr() { delete m_renderer; }
// the ref count - when it goes to 0, we die
size_t m_nRef;
@@ -138,6 +183,8 @@ private:
int m_hAlign,
m_vAlign;
wxGridCellRenderer *m_renderer;
// suppress the stupid gcc warning about the class having private dtor and
// no friends
friend class wxGridCellAttrDummyFriend;
@@ -501,8 +548,6 @@ public:
void DrawCellBorder( wxDC& dc, const wxGridCellCoords& );
void DrawAllGridLines( wxDC& dc, const wxRegion & reg );
void DrawCell( wxDC& dc, const wxGridCellCoords& );
void DrawCellBackground( wxDC& dc, const wxGridCellCoords& );
void DrawCellValue( wxDC& dc, const wxGridCellCoords& );
void DrawRowLabels( wxDC& dc );
void DrawRowLabel( wxDC& dc, int row );
@@ -617,7 +662,7 @@ public:
wxString GetColLabelValue( int col );
wxColour GetGridLineColour() { return m_gridLineColour; }
void SetRowLabelSize( int width );
void SetRowLabelSize( int width );
void SetColLabelSize( int height );
void SetLabelBackgroundColour( const wxColour& );
void SetLabelTextColour( const wxColour& );
@@ -631,7 +676,6 @@ public:
void EnableGridLines( bool enable = TRUE );
bool GridLinesEnabled() { return m_gridLinesEnabled; }
// ------ row and col formatting
//
int GetDefaultRowSize();
@@ -662,6 +706,13 @@ public:
void SetDefaultCellAlignment( int horiz, int vert );
void SetCellAlignment( int row, int col, int horiz, int vert );
// takes ownership of the pointer
void SetDefaultRenderer(wxGridCellRenderer *renderer)
{ delete m_defaultRenderer; m_defaultRenderer = renderer; }
wxGridCellRenderer *GetDefaultRenderer() const
{ return m_defaultRenderer; }
void SetCellRenderer(int row, int col, wxGridCellRenderer *renderer);
// ------ cell value accessors
//
@@ -957,6 +1008,12 @@ protected:
wxColour m_gridLineColour;
bool m_gridLinesEnabled;
// get the renderer for the given cell - if it has no special one, the
// default one will be returned, never NULL
wxGridCellRenderer *GetCellRenderer(int row, int col);
wxGridCellRenderer *m_defaultRenderer;
// default cell attributes
wxFont m_defaultCellFont;
int m_defaultCellHAlign,