include/wx/generic/combo.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/generic/combo.h
   3 // Purpose:     Generic wxComboCtrl
   4 // Author:      Jaakko Salli
   5 // Modified by:
   6 // Created:     Apr-30-2006
   7 // Copyright:   (c) Jaakko Salli
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_GENERIC_COMBOCTRL_H_
  12 #define _WX_GENERIC_COMBOCTRL_H_
  13
  14 #if wxUSE_COMBOCTRL
  15
  16 // Only define generic if native doesn't have all the features
  17 #if !defined(wxCOMBOCONTROL_FULLY_FEATURED)
  18
  19 // ----------------------------------------------------------------------------
  20 // Generic wxComboCtrl
  21 // ----------------------------------------------------------------------------
  22
  23 #if defined(__WXUNIVERSAL__)
  24
  25 // all actions of single line text controls are supported
  26
  27 // popup/dismiss the choice window
  28 #define wxACTION_COMBOBOX_POPUP     wxT("popup")
  29 #define wxACTION_COMBOBOX_DISMISS   wxT("dismiss")
  30
  31 #endif
  32
  33 #include "wx/dcbuffer.h"
  34
  35 extern WXDLLIMPEXP_DATA_CORE(const char) wxComboBoxNameStr[];
  36
  37 class WXDLLIMPEXP_CORE wxGenericComboCtrl : public wxComboCtrlBase
  38 {
  39 public:
  40     // ctors and such
  41     wxGenericComboCtrl() : wxComboCtrlBase() { Init(); }
  42
  43     wxGenericComboCtrl(wxWindow *parent,
  44                        wxWindowID id = wxID_ANY,
  45                        const wxString& value = wxEmptyString,
  46                        const wxPoint& pos = wxDefaultPosition,
  47                        const wxSize& size = wxDefaultSize,
  48                        long style = 0,
  49                        const wxValidator& validator = wxDefaultValidator,
  50                        const wxString& name = wxComboBoxNameStr)
  51         : wxComboCtrlBase()
  52     {
  53         Init();
  54
  55         (void)Create(parent, id, value, pos, size, style, validator, name);
  56     }
  57
  58     bool Create(wxWindow *parent,
  59                 wxWindowID id = wxID_ANY,
  60                 const wxString& value = wxEmptyString,
  61                 const wxPoint& pos = wxDefaultPosition,
  62                 const wxSize& size = wxDefaultSize,
  63                 long style = 0,
  64                 const wxValidator& validator = wxDefaultValidator,
  65                 const wxString& name = wxComboBoxNameStr);
  66
  67     virtual ~wxGenericComboCtrl();
  68
  69     void SetCustomPaintWidth( int width );
  70
  71     virtual bool IsKeyPopupToggle(const wxKeyEvent& event) const;
  72
  73     static int GetFeatures() { return wxComboCtrlFeatures::All; }
  74
  75 #if defined(__WXUNIVERSAL__)
  76     // we have our own input handler and our own actions
  77     virtual bool PerformAction(const wxControlAction& action,
  78                                long numArg = 0l,
  79                                const wxString& strArg = wxEmptyString);
  80 #endif
  81
  82 protected:
  83
  84     // Dummies for platform-specific wxTextEntry implementations
  85 #if defined(__WXUNIVERSAL__)
  86     // Looks like there's nothing we need to override here
  87 #elif defined(__WXMOTIF__)
  88     virtual WXWidget GetTextWidget() const { return NULL; }
  89 #elif defined(__WXGTK__)
  90 #if defined(__WXGTK20__)
  91     virtual GtkEditable *GetEditable() const { return NULL; }
  92     virtual GtkEntry *GetEntry() const { return NULL; }
  93 #endif
  94 #elif defined(__WXMAC__)
  95     // Looks like there's nothing we need to override here
  96 #elif defined(__WXPM__)
  97     virtual WXHWND GetEditHWND() const { return NULL; }
  98 #endif
  99
 100     // For better transparent background rendering
 101     virtual bool HasTransparentBackground()
 102     {
 103         #if wxALWAYS_NATIVE_DOUBLE_BUFFER
 104           #ifdef __WXGTK__
 105             // Sanity check for GTK+
 106             return IsDoubleBuffered();
 107           #else
 108             return true;
 109           #endif
 110         #else
 111             return false;
 112         #endif
 113     }
 114
 115     // Mandatory virtuals
 116     virtual void OnResize();
 117
 118     // Event handlers
 119     void OnPaintEvent( wxPaintEvent& event );
 120     void OnMouseEvent( wxMouseEvent& event );
 121
 122 private:
 123     void Init();
 124
 125     DECLARE_EVENT_TABLE()
 126
 127     DECLARE_DYNAMIC_CLASS(wxGenericComboCtrl)
 128 };
 129
 130
 131 #ifndef _WX_COMBOCONTROL_H_
 132
 133 // If native wxComboCtrl was not defined, then prepare a simple
 134 // front-end so that wxRTTI works as expected.
 135
 136 class WXDLLIMPEXP_CORE wxComboCtrl : public wxGenericComboCtrl
 137 {
 138 public:
 139     wxComboCtrl() : wxGenericComboCtrl() {}
 140
 141     wxComboCtrl(wxWindow *parent,
 142                 wxWindowID id = wxID_ANY,
 143                 const wxString& value = wxEmptyString,
 144                 const wxPoint& pos = wxDefaultPosition,
 145                 const wxSize& size = wxDefaultSize,
 146                 long style = 0,
 147                 const wxValidator& validator = wxDefaultValidator,
 148                 const wxString& name = wxComboBoxNameStr)
 149         : wxGenericComboCtrl()
 150     {
 151         (void)Create(parent, id, value, pos, size, style, validator, name);
 152     }
 153
 154     virtual ~wxComboCtrl() {}
 155
 156 protected:
 157
 158 private:
 159     DECLARE_DYNAMIC_CLASS(wxComboCtrl)
 160 };
 161
 162 #endif // _WX_COMBOCONTROL_H_
 163
 164 #else
 165
 166 #define wxGenericComboCtrl   wxComboCtrl
 167
 168 #endif // !defined(wxCOMBOCONTROL_FULLY_FEATURED)
 169
 170 #endif // wxUSE_COMBOCTRL
 171 #endif
 172     // _WX_GENERIC_COMBOCTRL_H_