include/wx/control.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/control.h
   3 // Purpose:     wxControl common interface
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     26.07.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_CONTROL_H_BASE_
  13 #define _WX_CONTROL_H_BASE_
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #include "wx/defs.h"
  20
  21 #if wxUSE_CONTROLS
  22
  23 #include "wx/window.h"      // base class
  24
  25 extern WXDLLIMPEXP_DATA_CORE(const char) wxControlNameStr[];
  26
  27 enum wxEllipsizeMode
  28 {
  29     wxELLIPSIZE_START,
  30     wxELLIPSIZE_MIDDLE,
  31     wxELLIPSIZE_END
  32 };
  33
  34 // ----------------------------------------------------------------------------
  35 // wxControl is the base class for all controls
  36 // ----------------------------------------------------------------------------
  37
  38 class WXDLLIMPEXP_CORE wxControlBase : public wxWindow
  39 {
  40 public:
  41     wxControlBase() { }
  42
  43     virtual ~wxControlBase();
  44
  45     // Create() function adds the validator parameter
  46     bool Create(wxWindow *parent, wxWindowID id,
  47                 const wxPoint& pos = wxDefaultPosition,
  48                 const wxSize& size = wxDefaultSize,
  49                 long style = 0,
  50                 const wxValidator& validator = wxDefaultValidator,
  51                 const wxString& name = wxControlNameStr);
  52
  53     // get the control alignment (left/right/centre, top/bottom/centre)
  54     int GetAlignment() const { return m_windowStyle & wxALIGN_MASK; }
  55
  56     virtual void SetLabel(const wxString& label)
  57     {
  58         m_labelOrig = label;
  59
  60         InvalidateBestSize();
  61
  62         wxWindow::SetLabel(label);
  63     }
  64
  65     virtual wxString GetLabel() const
  66     {
  67         // return the original string, as it was passed to SetLabel()
  68         // (i.e. with wx-style mnemonics)
  69         return m_labelOrig;
  70     }
  71
  72     // get just the text of the label, without mnemonic characters ('&')
  73     wxString GetLabelText() const { return GetLabelText(GetLabel()); }
  74
  75     void SetLabelText(const wxString& text)
  76     {
  77         SetLabel(EscapeMnemonics(text));
  78     }
  79
  80     // static utilities:
  81
  82     // replaces parts of the string with ellipsis if needed
  83     static wxString Ellipsize(const wxString& label, const wxDC& dc,
  84                               wxEllipsizeMode mode, int maxWidth);
  85
  86     // get the string without mnemonic characters ('&')
  87     static wxString GetLabelText(const wxString& label);
  88
  89     // removes the mnemonics characters
  90     static wxString RemoveMnemonics(const wxString& str);
  91
  92     // escapes (by doubling them) the mnemonics
  93     static wxString EscapeMnemonics(const wxString& str);
  94
  95     // return the accel index in the string or -1 if none and puts the modified
  96     // string into second parameter if non NULL
  97     static int FindAccelIndex(const wxString& label,
  98                               wxString *labelOnly = NULL);
  99
 100
 101     // controls by default inherit the colours of their parents, if a
 102     // particular control class doesn't want to do it, it can override
 103     // ShouldInheritColours() to return false
 104     virtual bool ShouldInheritColours() const { return true; }
 105
 106
 107     // WARNING: this doesn't work for all controls nor all platforms!
 108     //
 109     // simulates the event of given type (i.e. wxButton::Command() is just as
 110     // if the button was clicked)
 111     virtual void Command(wxCommandEvent &event);
 112
 113     virtual bool SetFont(const wxFont& font);
 114
 115     // wxControl-specific processing after processing the update event
 116     virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);
 117
 118 protected:
 119     // choose the default border for this window
 120     virtual wxBorder GetDefaultBorder() const;
 121
 122     // creates the control (calls wxWindowBase::CreateBase inside) and adds it
 123     // to the list of parents children
 124     bool CreateControl(wxWindowBase *parent,
 125                        wxWindowID id,
 126                        const wxPoint& pos,
 127                        const wxSize& size,
 128                        long style,
 129                        const wxValidator& validator,
 130                        const wxString& name);
 131
 132     // initialize the common fields of wxCommandEvent
 133     void InitCommandEvent(wxCommandEvent& event) const;
 134
 135     // this field contains the label in wx format, i.e. with '&' mnemonics
 136     wxString m_labelOrig;
 137
 138     DECLARE_NO_COPY_CLASS(wxControlBase)
 139 };
 140
 141 // ----------------------------------------------------------------------------
 142 // include platform-dependent wxControl declarations
 143 // ----------------------------------------------------------------------------
 144
 145 #if defined(__WXUNIVERSAL__)
 146     #include "wx/univ/control.h"
 147 #elif defined(__WXPALMOS__)
 148     #include "wx/palmos/control.h"
 149 #elif defined(__WXMSW__)
 150     #include "wx/msw/control.h"
 151 #elif defined(__WXMOTIF__)
 152     #include "wx/motif/control.h"
 153 #elif defined(__WXGTK20__)
 154     #include "wx/gtk/control.h"
 155 #elif defined(__WXGTK__)
 156     #include "wx/gtk1/control.h"
 157 #elif defined(__WXMAC__)
 158     #include "wx/osx/control.h"
 159 #elif defined(__WXCOCOA__)
 160     #include "wx/cocoa/control.h"
 161 #elif defined(__WXPM__)
 162     #include "wx/os2/control.h"
 163 #endif
 164
 165 #endif // wxUSE_CONTROLS
 166
 167 #endif
 168     // _WX_CONTROL_H_BASE_