include/wx/gtk/anybutton.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/anybutton.h
   3 // Purpose:     wxGTK wxAnyButton class declaration
   4 // Author:      Robert Roebling
   5 // Created:     1998-05-20 (extracted from button.h)
   6 // Id:          $Id: anybutton.h 67066 2011-02-27 12:48:30Z VZ $
   7 // Copyright:   (c) 1998 Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_GTK_ANYBUTTON_H_
  12 #define _WX_GTK_ANYBUTTON_H_
  13
  14 //-----------------------------------------------------------------------------
  15 // wxAnyButton
  16 //-----------------------------------------------------------------------------
  17
  18 class WXDLLIMPEXP_CORE wxAnyButton : public wxAnyButtonBase
  19 {
  20 public:
  21     wxAnyButton()
  22     {
  23         m_isCurrent =
  24         m_isPressed = false;
  25     }
  26
  27     virtual bool Enable( bool enable = true );
  28
  29     // implementation
  30     // --------------
  31
  32     static wxVisualAttributes
  33     GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
  34
  35     // called from GTK callbacks: they update the button state and call
  36     // GTKUpdateBitmap()
  37     void GTKMouseEnters();
  38     void GTKMouseLeaves();
  39     void GTKPressed();
  40     void GTKReleased();
  41
  42 protected:
  43     virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const;
  44
  45     virtual wxBitmap DoGetBitmap(State which) const;
  46     virtual void DoSetBitmap(const wxBitmap& bitmap, State which);
  47     virtual void DoSetBitmapPosition(wxDirection dir);
  48
  49 private:
  50     typedef wxAnyButtonBase base_type;
  51
  52     // focus event handler: calls GTKUpdateBitmap()
  53     void GTKOnFocus(wxFocusEvent& event);
  54
  55     // update the bitmap to correspond to the current button state
  56     void GTKUpdateBitmap();
  57
  58     // return the current button state from m_isXXX flags (which means that it
  59     // might not correspond to the real current state as e.g. m_isCurrent will
  60     // never be true if we don't have a valid current bitmap)
  61     State GTKGetCurrentState() const;
  62
  63     // show the given bitmap (must be valid)
  64     void GTKDoShowBitmap(const wxBitmap& bitmap);
  65
  66
  67     // the bitmaps for the different state of the buttons, all of them may be
  68     // invalid and the button only shows a bitmap at all if State_Normal bitmap
  69     // is valid
  70     wxBitmap m_bitmaps[State_Max];
  71
  72     // true iff mouse is currently over the button
  73     bool m_isCurrent;
  74
  75     // true iff the button is in pressed state
  76     bool m_isPressed;
  77
  78     wxDECLARE_NO_COPY_CLASS(wxAnyButton);
  79 };
  80
  81 #endif // _WX_GTK_ANYBUTTON_H_