remove unused variable assignment, closes #14928

[wxWidgets.git] / include / wx / ownerdrw.h

diff --git a/include/wx/ownerdrw.h b/include/wx/ownerdrw.h
index 293a5145eab47597328821cfae7c06d796e0b2ab..2c0fae985851da1055e01fd0713b51b5e14737ef 100644 (file)
--- a/include/wx/ownerdrw.h
+++ b/include/wx/ownerdrw.h
@@ -1,19 +1,25 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        ownerdrw.h
+// Name:        wx/ownerdrw.h

 // Purpose:     interface for owner-drawn GUI elements
 // Author:      Vadim Zeitlin
 // Purpose:     interface for owner-drawn GUI elements
 // Author:      Vadim Zeitlin

-// Modified by: 
+// Modified by: Marcin Malich

 // Created:     11.11.97
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     11.11.97
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 ///////////////////////////////////////////////////////////////////////////////
 

-#ifndef   _OWNERDRW_H
-#define   _OWNERDRW_H
+#ifndef _WX_OWNERDRW_H_BASE
+#define _WX_OWNERDRW_H_BASE

 
 

-typedef   wxColour      wxColor;
-typedef   unsigned int  uint;
+#include "wx/defs.h"
+
+#if wxUSE_OWNER_DRAWN
+
+#include "wx/font.h"
+#include "wx/colour.h"
+
+class WXDLLIMPEXP_FWD_CORE wxDC;

 
 // ----------------------------------------------------------------------------
 // wxOwnerDrawn - a mix-in base class, derive from it to implement owner-drawn
 
 // ----------------------------------------------------------------------------
 // wxOwnerDrawn - a mix-in base class, derive from it to implement owner-drawn


@@ -23,109 +29,117 @@ typedef   unsigned int  uint;
 // also supports 3 bitmaps: either a checked/unchecked bitmap for a checkable
 // element or one unchangeable bitmap otherwise.
 // ----------------------------------------------------------------------------
 // also supports 3 bitmaps: either a checked/unchecked bitmap for a checkable
 // element or one unchangeable bitmap otherwise.
 // ----------------------------------------------------------------------------

-class WXDLLEXPORT wxOwnerDrawn
+
+class WXDLLIMPEXP_CORE wxOwnerDrawnBase

 {
 public:
 {
 public:

-  // ctor & dtor
-  wxOwnerDrawn(const wxTString& str = "",
-                        bool bCheckable = FALSE,
-                        bool bMenuItem = FALSE); // ## kludge for colors
-  virtual ~wxOwnerDrawn() { }
+    wxOwnerDrawnBase()
+    {
+        m_ownerDrawn = false;
+        m_margin = ms_defaultMargin;
+    }
+
+    virtual ~wxOwnerDrawnBase() {}
+
+    void SetFont(const wxFont& font)
+        { m_font = font; m_ownerDrawn = true; }
+
+    wxFont& GetFont() const
+        { return (wxFont&) m_font; }
+

 
 

-  // fix appearance
-  inline void SetFont(const wxFont& font)
-  { m_font = font; m_bOwnerDrawn = TRUE; }
+    void SetTextColour(const wxColour& colText)
+        { m_colText = colText; m_ownerDrawn = true; }

 
 

-  inline wxFont& GetFont() const { return (wxFont &)m_font; }
+    wxColour& GetTextColour() const
+        { return (wxColour&) m_colText; }

 
 

-  inline void SetTextColour(const wxColour& colText)
-  { m_colText = colText; m_bOwnerDrawn = TRUE; }
+    void SetBackgroundColour(const wxColour& colBack)
+        { m_colBack = colBack; m_ownerDrawn = true; }

 
 

-  inline wxColour& GetTextColour() const { return (wxColour&) m_colText; }
+    wxColour& GetBackgroundColour() const
+        { return (wxColour&) m_colBack ; }

 
 

-  inline void SetBackgroundColour(const wxColour& colBack)
-  { m_colBack = colBack; m_bOwnerDrawn = TRUE; }

 
 

-  inline wxColour& GetBackgroundColour() const
-  { return (wxColour&) m_colBack ; }
+    void SetMarginWidth(int width)
+        { m_margin = width; }

 
 

-  inline void SetBitmaps(const wxBitmap& bmpChecked, 
-                         const wxBitmap& bmpUnchecked = wxNullBitmap)
-  { m_bmpChecked = bmpChecked;
-    m_bmpUnchecked = bmpUnchecked; 
-    m_bOwnerDrawn = TRUE;          }
+    int GetMarginWidth() const
+        { return m_margin; }

 
 

-  inline wxBitmap& GetBitmap(bool bChecked = TRUE) const
-  { return (wxBitmap &)(bChecked ? m_bmpChecked : m_bmpUnchecked); }
+    static int GetDefaultMarginWidth()
+        { return ms_defaultMargin; }

 
 

-  // the height of the menu checkmark (or bitmap) is determined by the font
-  // for the current item, but the width should be always the same (for the
-  // items to be aligned), so by default it's taken to be the same as for
-  // the last item (and default width for the first one).
-  //
-  // NB: default is too small for bitmaps, but ok for checkmarks.
-  inline void SetMarginWidth(int nWidth)
-  { ms_nLastMarginWidth = m_nMarginWidth = (uint) nWidth;
-    if ( ((uint) nWidth) != ms_nDefaultMarginWidth ) m_bOwnerDrawn = TRUE; }

 
 

-  inline int GetMarginWidth() const { return (int) m_nMarginWidth; }
-  inline static int GetDefaultMarginWidth() { return (int) ms_nDefaultMarginWidth; }
+    // get item name (with mnemonics if exist)
+    virtual wxString GetName() const = 0;

 
 

-  // accessors
-  void            SetName(const wxString& strName)  { m_strName = strName; }
-  const wxString& GetName()       const             { return m_strName;    }
-  bool            IsCheckable()   const             { return m_bCheckable; }

 
 

-  // this function might seem strange, but if it returns FALSE it means that
+  // this function might seem strange, but if it returns false it means that

   // no non-standard attribute are set, so there is no need for this control
   // no non-standard attribute are set, so there is no need for this control

-  // to be owner-drawn. Moreover, you can force owner-drawn to FALSE if you
+  // to be owner-drawn. Moreover, you can force owner-drawn to false if you

   // want to change, say, the color for the item but only if it is owner-drawn
   // (see wxMenuItem::wxMenuItem for example)
   // want to change, say, the color for the item but only if it is owner-drawn
   // (see wxMenuItem::wxMenuItem for example)

-  inline bool     IsOwnerDrawn()  const             { return m_bOwnerDrawn;   }
-  inline void     ResetOwnerDrawn()                 { m_bOwnerDrawn = FALSE;  }
-
-public:
-  // constants used in OnDrawItem
-  // (they have the same values as corresponding Win32 constants)
-  enum wxODAction
-  { 
-    wxODDrawAll       = 0x0001,   // redraw entire control
-    wxODSelectChanged = 0x0002,   // selection changed (see Status.Select)
-    wxODFocusChanged  = 0x0004,   // keyboard focus changed (see Status.Focus)
-  };
-
-  enum wxODStatus
-  {
-    wxODSelected  = 0x0001,         // control is currently selected
-    wxODGrayed    = 0x0002,         // item is to be grayed
-    wxODDisabled  = 0x0004,         // item is to be drawn as disabled
-    wxODChecked   = 0x0008,         // item is to be checked
-    wxODHasFocus  = 0x0010,         // item has the keyboard focus
-    wxODDefault   = 0x0020,         // item is the default item
-  };
-
-  // virtual functions to implement drawing (return TRUE if processed)
-  virtual bool OnMeasureItem(uint *pwidth, uint *pheight);
-  virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat);
+    bool IsOwnerDrawn() const
+        { return m_ownerDrawn; }
+
+    // switch on/off owner-drawing the item
+    void SetOwnerDrawn(bool ownerDrawn = true)
+        { m_ownerDrawn = ownerDrawn; }
+
+
+    // constants used in OnDrawItem
+    // (they have the same values as corresponding Win32 constants)
+    enum wxODAction
+    {
+        wxODDrawAll       = 0x0001,     // redraw entire control
+        wxODSelectChanged = 0x0002,     // selection changed (see Status.Select)
+        wxODFocusChanged  = 0x0004      // keyboard focus changed (see Status.Focus)
+    };
+
+    enum wxODStatus
+    {
+        wxODSelected  = 0x0001,         // control is currently selected
+        wxODGrayed    = 0x0002,         // item is to be grayed
+        wxODDisabled  = 0x0004,         // item is to be drawn as disabled
+        wxODChecked   = 0x0008,         // item is to be checked
+        wxODHasFocus  = 0x0010,         // item has the keyboard focus
+        wxODDefault   = 0x0020,         // item is the default item
+        wxODHidePrefix= 0x0100          // hide keyboard cues (w2k and xp only)
+    };
+
+    // virtual functions to implement drawing (return true if processed)
+    virtual bool OnMeasureItem(size_t *width, size_t *height);
+    virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat) = 0;

 
 protected:
 
 protected:

-  wxString  m_strName;      // label for a manu item
+
+    // get the font and colour to use, whether it is set or not
+    virtual void GetFontToUse(wxFont& font) const;
+    virtual void GetColourToUse(wxODStatus stat, wxColour& colText, wxColour& colBack) const;

 
 private:
 
 private:

-  static uint ms_nDefaultMarginWidth; // menu check mark width
-  static uint ms_nLastMarginWidth;    // handy for aligning all items
+    bool        m_ownerDrawn;       // true if something is non standard

 
 

-  bool      m_bCheckable,   // used only for menu or check listbox items
-            m_bOwnerDrawn;  // true if something is non standard
+    wxFont      m_font;             // font to use for drawing
+    wxColour    m_colText,          // color ----"---"---"----
+                m_colBack;          // background color

 
 

-  wxFont    m_font;         // font to use for drawing
-  wxColor   m_colText,      // color ----"---"---"----
-            m_colBack;      // background color
-  wxBitmap  m_bmpChecked,   // bitmap to put near the item
-            m_bmpUnchecked; // (checked is used also for 'uncheckable' items)
+    int         m_margin;           // space occupied by bitmap to the left of the item

 
 

-  uint      m_nHeight,      // font height
-            m_nMarginWidth; // space occupied by bitmap to the left of the item
+    static int  ms_defaultMargin;

 };
 
 };
 

-#endif  //_OWNERDRW_H
\ No newline at end of file
+// ----------------------------------------------------------------------------
+// include the platform-specific class declaration
+// ----------------------------------------------------------------------------
+
+#if defined(__WXMSW__)
+    #include "wx/msw/ownerdrw.h"
+#elif defined(__WXPM__)
+    #include "wx/os2/ownerdrw.h"
+#endif
+
+#endif // wxUSE_OWNER_DRAWN
+
+#endif // _WX_OWNERDRW_H_BASE