include/wx/gtk/combobox.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/combobox.h
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:          $Id$
   7 // Copyright:   (c) 1998 Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_GTK_COMBOBOX_H_
  12 #define _WX_GTK_COMBOBOX_H_
  13
  14 //-----------------------------------------------------------------------------
  15 // wxComboBox
  16 //-----------------------------------------------------------------------------
  17
  18 class WXDLLIMPEXP_CORE wxComboBox : public wxControl,
  19                                     public wxComboBoxBase
  20 {
  21 public:
  22     wxComboBox() { m_strings = NULL; }
  23     wxComboBox(wxWindow *parent,
  24                wxWindowID id,
  25                const wxString& value = wxEmptyString,
  26                const wxPoint& pos = wxDefaultPosition,
  27                const wxSize& size = wxDefaultSize,
  28                int n = 0, const wxString choices[] = NULL,
  29                long style = 0,
  30                const wxValidator& validator = wxDefaultValidator,
  31                const wxString& name = wxComboBoxNameStr)
  32     {
  33         Create(parent, id, value, pos, size, n, choices, style, validator, name);
  34     }
  35
  36     wxComboBox(wxWindow *parent, wxWindowID id,
  37                const wxString& value,
  38                const wxPoint& pos,
  39                const wxSize& size,
  40                const wxArrayString& choices,
  41                long style = 0,
  42                const wxValidator& validator = wxDefaultValidator,
  43                const wxString& name = wxComboBoxNameStr)
  44     {
  45         Create(parent, id, value, pos, size, choices, style, validator, name);
  46     }
  47
  48     virtual ~wxComboBox();
  49
  50     bool Create(wxWindow *parent, wxWindowID id,
  51                 const wxString& value = wxEmptyString,
  52                 const wxPoint& pos = wxDefaultPosition,
  53                 const wxSize& size = wxDefaultSize,
  54                 int n = 0, const wxString choices[] = (const wxString *) NULL,
  55                 long style = 0,
  56                 const wxValidator& validator = wxDefaultValidator,
  57                 const wxString& name = wxComboBoxNameStr);
  58     bool Create(wxWindow *parent, wxWindowID id,
  59                 const wxString& value,
  60                 const wxPoint& pos,
  61                 const wxSize& size,
  62                 const wxArrayString& choices,
  63                 long style = 0,
  64                 const wxValidator& validator = wxDefaultValidator,
  65                 const wxString& name = wxComboBoxNameStr);
  66
  67     // From wxItemContainerImmutable:
  68     virtual unsigned int GetCount() const;
  69     virtual wxString GetString(unsigned int n) const;
  70     virtual void SetString(unsigned int n, const wxString &text);
  71     virtual int FindString(const wxString& s, bool bCase = false) const;
  72     virtual void SetSelection(int n);
  73     virtual int GetSelection() const;
  74
  75     // from wxTextEntry: we need to override them to avoid virtual function
  76     // hiding
  77     virtual void SetSelection(long from, long to)
  78     {
  79         wxTextEntry::SetSelection(from, to);
  80     }
  81
  82     virtual void GetSelection(long *from, long *to) const
  83     {
  84         return wxTextEntry::GetSelection(from, to);
  85     }
  86
  87     virtual wxString GetStringSelection() const
  88     {
  89         return wxItemContainer::GetStringSelection();
  90     }
  91
  92     // From wxComboBoxBase:
  93     virtual int GetCurrentSelection() const;
  94
  95     virtual void SetFocus();
  96
  97     void OnSize( wxSizeEvent &event );
  98     void OnChar( wxKeyEvent &event );
  99
 100     // Standard event handling
 101     void OnCut(wxCommandEvent& event);
 102     void OnCopy(wxCommandEvent& event);
 103     void OnPaste(wxCommandEvent& event);
 104     void OnUndo(wxCommandEvent& event);
 105     void OnRedo(wxCommandEvent& event);
 106     void OnDelete(wxCommandEvent& event);
 107     void OnSelectAll(wxCommandEvent& event);
 108
 109     void OnUpdateCut(wxUpdateUIEvent& event);
 110     void OnUpdateCopy(wxUpdateUIEvent& event);
 111     void OnUpdatePaste(wxUpdateUIEvent& event);
 112     void OnUpdateUndo(wxUpdateUIEvent& event);
 113     void OnUpdateRedo(wxUpdateUIEvent& event);
 114     void OnUpdateDelete(wxUpdateUIEvent& event);
 115     void OnUpdateSelectAll(wxUpdateUIEvent& event);
 116
 117     bool           m_ignoreNextUpdate:1;
 118     wxArrayPtrVoid m_clientData;
 119     int            m_prevSelection;
 120
 121     void DisableEvents();
 122     void EnableEvents();
 123     GtkWidget* GetConnectWidget();
 124
 125     wxCONTROL_ITEMCONTAINER_CLIENTDATAOBJECT_RECAST
 126
 127     static wxVisualAttributes
 128     GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
 129
 130     virtual bool IsSorted() const { return HasFlag(wxCB_SORT); }
 131
 132 protected:
 133     // From wxWindowGTK:
 134     virtual void DoApplyWidgetStyle(GtkRcStyle *style);
 135     virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const;
 136
 137     // From wxItemContainer:
 138     virtual int DoInsertItems(const wxArrayStringsAdapter& items,
 139                               unsigned int pos,
 140                               void **clientData, wxClientDataType type);
 141     virtual void DoSetItemClientData(unsigned int n, void* clientData);
 142     virtual void* DoGetItemClientData(unsigned int n) const;
 143     virtual void DoClear();
 144     virtual void DoDeleteOneItem(unsigned int n);
 145
 146     // From wxControl:
 147     virtual wxSize DoGetBestSize() const;
 148
 149     // Widgets that use the style->base colour for the BG colour should
 150     // override this and return true.
 151     virtual bool UseGTKStyleBase() const { return true; }
 152
 153 private:
 154     // From wxTextEntry:
 155     virtual const wxWindow *GetEditableWindow() const { return this; }
 156     virtual GtkEditable *GetEditable() const;
 157     virtual void EnableTextChangedEvents(bool enable)
 158     {
 159         if ( enable )
 160             EnableEvents();
 161         else
 162             DisableEvents();
 163     }
 164
 165     // this array is only used for controls with wxCB_SORT style, so only
 166     // allocate it if it's needed (hence using pointer)
 167     wxSortedArrayString *m_strings;
 168
 169     DECLARE_DYNAMIC_CLASS_NO_COPY(wxComboBox)
 170     DECLARE_EVENT_TABLE()
 171 };
 172
 173 #endif // _WX_GTK_COMBOBOX_H_