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 #if wxUSE_LOG && !defined(__SMARTPHONE__)
  28     #define USE_LOG 1
  29 #else
  30     #define USE_LOG 0
  31 #endif
  32
  33 // ----------------------------------------------------------------------------
  34 // WidgetsPage: a book page demonstrating some widget
  35 // ----------------------------------------------------------------------------
  36
  37 class WidgetsPage : public wxPanel
  38 {
  39 public:
  40     WidgetsPage(wxBookCtrl *book);
  41
  42     // return the control shown by this page
  43     virtual wxControl *GetWidget() const = 0;
  44
  45 protected:
  46     // several helper functions for page creation
  47
  48     // create a horz sizer containing the given control and the text ctrl
  49     // (pointer to which will be saved in the provided variable if not NULL)
  50     // with the specified id
  51     wxSizer *CreateSizerWithText(wxControl *control,
  52                                  wxWindowID id = wxID_ANY,
  53                                  wxTextCtrl **ppText = NULL);
  54
  55     // create a sizer containing a label and a text ctrl
  56     wxSizer *CreateSizerWithTextAndLabel(const wxString& label,
  57                                          wxWindowID id = wxID_ANY,
  58                                          wxTextCtrl **ppText = NULL);
  59
  60     // create a sizer containing a button and a text ctrl
  61     wxSizer *CreateSizerWithTextAndButton(wxWindowID idBtn,
  62                                           const wxString& labelBtn,
  63                                           wxWindowID id = wxID_ANY,
  64                                           wxTextCtrl **ppText = NULL);
  65
  66     // create a checkbox and add it to the sizer
  67     wxCheckBox *CreateCheckBoxAndAddToSizer(wxSizer *sizer,
  68                                             const wxString& label,
  69                                             wxWindowID id = wxID_ANY);
  70
  71 public:
  72     // the head of the linked list containinginfo about all pages
  73     static WidgetsPageInfo *ms_widgetPages;
  74 };
  75
  76 // ----------------------------------------------------------------------------
  77 // dynamic WidgetsPage creation helpers
  78 // ----------------------------------------------------------------------------
  79
  80 class WidgetsPageInfo
  81 {
  82 public:
  83     typedef WidgetsPage *(*Constructor)(wxBookCtrl *book,
  84                                         wxImageList *imaglist);
  85
  86     // our ctor
  87     WidgetsPageInfo(Constructor ctor, const wxChar *label);
  88
  89     // accessors
  90     const wxString& GetLabel() const { return m_label; }
  91     Constructor GetCtor() const { return m_ctor; }
  92     WidgetsPageInfo *GetNext() const { return m_next; }
  93
  94     void SetNext(WidgetsPageInfo *next) { m_next = next; }
  95
  96 private:
  97     // the label of the page
  98     wxString m_label;
  99
 100     // the function to create this page
 101     Constructor m_ctor;
 102
 103     // next node in the linked list or NULL
 104     WidgetsPageInfo *m_next;
 105 };
 106
 107 // to declare a page, this macro must be used in the class declaration
 108 #define DECLARE_WIDGETS_PAGE(classname)                                     \
 109     private:                                                                \
 110         static WidgetsPageInfo ms_info##classname;                          \
 111     public:                                                                 \
 112         const WidgetsPageInfo *GetPageInfo() const                          \
 113             { return &ms_info##classname; }
 114
 115 // and this one must be inserted somewhere in the source file
 116 #define IMPLEMENT_WIDGETS_PAGE(classname, label)                            \
 117     WidgetsPage *wxCtorFor##classname(wxBookCtrl *book,                     \
 118                                       wxImageList *imaglist)                \
 119         { return new classname(book, imaglist); }                           \
 120     WidgetsPageInfo classname::                                             \
 121         ms_info##classname(wxCtorFor##classname, label)
 122
 123 #endif // _WX_SAMPLE_WIDGETS_H_