samples/widgets/widgets.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        widgets.h
   4 // Purpose:     Common stuff for all widgets project files
   5 // Author:      Vadim Zeitlin
   6 // Created:     27.03.01
   7 // Id:          $Id$
   8 // Copyright:   (c) 2001 Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_SAMPLE_WIDGETS_H_
  13 #define _WX_SAMPLE_WIDGETS_H_
  14
  15 class WXDLLEXPORT wxCheckBox;
  16 class WXDLLEXPORT wxBookCtrl;
  17 class WXDLLEXPORT wxSizer;
  18 class WXDLLEXPORT wxTextCtrl;
  19
  20 class WidgetsPageInfo;
  21
  22 #include "wx/panel.h"
  23
  24 // all source files use wxImageList
  25 #include "wx/imaglist.h"
  26
  27 // ----------------------------------------------------------------------------
  28 // WidgetsPage: a book page demonstrating some widget
  29 // ----------------------------------------------------------------------------
  30
  31 class WidgetsPage : public wxPanel
  32 {
  33 public:
  34     WidgetsPage(wxBookCtrl *book);
  35
  36     // return the control shown by this page
  37     virtual wxControl *GetWidget() const = 0;
  38
  39 protected:
  40     // several helper functions for page creation
  41
  42     // create a horz sizer containing the given control and the text ctrl
  43     // (pointer to which will be saved in the provided variable if not NULL)
  44     // with the specified id
  45     wxSizer *CreateSizerWithText(wxControl *control,
  46                                  wxWindowID id = wxID_ANY,
  47                                  wxTextCtrl **ppText = NULL);
  48
  49     // create a sizer containing a label and a text ctrl
  50     wxSizer *CreateSizerWithTextAndLabel(const wxString& label,
  51                                          wxWindowID id = wxID_ANY,
  52                                          wxTextCtrl **ppText = NULL);
  53
  54     // create a sizer containing a button and a text ctrl
  55     wxSizer *CreateSizerWithTextAndButton(wxWindowID idBtn,
  56                                           const wxString& labelBtn,
  57                                           wxWindowID id = wxID_ANY,
  58                                           wxTextCtrl **ppText = NULL);
  59
  60     // create a checkbox and add it to the sizer
  61     wxCheckBox *CreateCheckBoxAndAddToSizer(wxSizer *sizer,
  62                                             const wxString& label,
  63                                             wxWindowID id = wxID_ANY);
  64
  65 public:
  66     // the head of the linked list containinginfo about all pages
  67     static WidgetsPageInfo *ms_widgetPages;
  68 };
  69
  70 // ----------------------------------------------------------------------------
  71 // dynamic WidgetsPage creation helpers
  72 // ----------------------------------------------------------------------------
  73
  74 class WidgetsPageInfo
  75 {
  76 public:
  77     typedef WidgetsPage *(*Constructor)(wxBookCtrl *book,
  78                                         wxImageList *imaglist);
  79
  80     // our ctor
  81     WidgetsPageInfo(Constructor ctor, const wxChar *label);
  82
  83     // accessors
  84     const wxString& GetLabel() const { return m_label; }
  85     Constructor GetCtor() const { return m_ctor; }
  86     WidgetsPageInfo *GetNext() const { return m_next; }
  87
  88     void SetNext(WidgetsPageInfo *next) { m_next = next; }
  89
  90 private:
  91     // the label of the page
  92     wxString m_label;
  93
  94     // the function to create this page
  95     Constructor m_ctor;
  96
  97     // next node in the linked list or NULL
  98     WidgetsPageInfo *m_next;
  99 };
 100
 101 // to declare a page, this macro must be used in the class declaration
 102 #define DECLARE_WIDGETS_PAGE(classname)                                     \
 103     private:                                                                \
 104         static WidgetsPageInfo ms_info##classname;                          \
 105     public:                                                                 \
 106         const WidgetsPageInfo *GetPageInfo() const                          \
 107             { return &ms_info##classname; }
 108
 109 // and this one must be inserted somewhere in the source file
 110 #define IMPLEMENT_WIDGETS_PAGE(classname, label)                            \
 111     WidgetsPage *wxCtorFor##classname(wxBookCtrl *book,                     \
 112                                       wxImageList *imaglist)                \
 113         { return new classname(book, imaglist); }                           \
 114     WidgetsPageInfo classname::                                             \
 115         ms_info##classname(wxCtorFor##classname, label)
 116
 117 #endif // _WX_SAMPLE_WIDGETS_H_