samples/xrc/xrcdemo.cpp

   1 //-----------------------------------------------------------------------------
   2 // Name:        xrcdemo.cpp
   3 // Purpose:     XML resources sample: Main application file
   4 // Author:      Robert O'Connor (rob@medicalmnemonics.com), Vaclav Slavik
   5 // Copyright:   (c) Robert O'Connor and Vaclav Slavik
   6 // Licence:     wxWindows licence
   7 //-----------------------------------------------------------------------------
   8
   9 //-----------------------------------------------------------------------------
  10 // Standard wxWidgets headers
  11 //-----------------------------------------------------------------------------
  12
  13 // For compilers that support precompilation, includes "wx/wx.h".
  14 #include "wx/wxprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 // For all others, include the necessary headers (this file is usually all you
  21 // need because it includes almost all "standard" wxWidgets headers)
  22 #ifndef WX_PRECOMP
  23     #include "wx/wx.h"
  24 #endif
  25
  26 //-----------------------------------------------------------------------------
  27 // Header of this .cpp file
  28 //-----------------------------------------------------------------------------
  29
  30 #include "xrcdemo.h"
  31
  32 //-----------------------------------------------------------------------------
  33 // Remaining headers: Needed wx headers, then wx/contrib headers, then app one
  34 //-----------------------------------------------------------------------------
  35
  36 #include "wx/image.h"               // wxImage
  37
  38 #include "wx/xrc/xmlres.h"          // XRC XML resources
  39
  40 #if wxUSE_RIBBON
  41     #include "wx/xrc/xh_ribbon.h"
  42 #endif // wxUSE_RIBBON
  43
  44 #include "wx/cshelp.h"              // wxSimpleHelpProvider for helptext
  45
  46 #include "myframe.h"
  47
  48 //-----------------------------------------------------------------------------
  49 // wxWidgets macro: Declare the application.
  50 //-----------------------------------------------------------------------------
  51
  52 // Create a new application object: this macro will allow wxWidgets to create
  53 // the application object during program execution (it's better than using a
  54 // static object for many reasons) and also declares the accessor function
  55 // wxGetApp() which will return the reference of the right type (i.e. the_app and
  56 // not wxApp).
  57 IMPLEMENT_APP(MyApp)
  58
  59 //-----------------------------------------------------------------------------
  60 // Public methods
  61 //-----------------------------------------------------------------------------
  62
  63 // 'Main program' equivalent: the program execution "starts" here
  64 bool MyApp::OnInit()
  65 {
  66     if ( !wxApp::OnInit() )
  67         return false;
  68
  69     // If there is any of a certain format of image in the xrcs, then first
  70     // load a handler for that image type. This example uses XPMs & a gif, but
  71     // if you want PNGs, then add a PNG handler, etc. See wxImage::AddHandler()
  72     // documentation for the types of image handlers available.
  73     wxImage::AddHandler(new wxXPMHandler);
  74     wxImage::AddHandler(new wxGIFHandler);
  75
  76     // Initialize all the XRC handlers. Always required (unless you feel like
  77     // going through and initializing a handler of each control type you will
  78     // be using (ie initialize the spinctrl handler, initialize the textctrl
  79     // handler). However, if you are only using a few control types, it will
  80     // save some space to only initialize the ones you will be using. See
  81     // wxXRC docs for details.
  82     wxXmlResource::Get()->InitAllHandlers();
  83
  84 #if wxUSE_RIBBON
  85     wxXmlResource::Get()->AddHandler(new wxRibbonXmlHandler);
  86 #endif
  87
  88     // Load all of the XRC files that will be used. You can put everything
  89     // into one giant XRC file if you wanted, but then they become more
  90     // diffcult to manage, and harder to reuse in later projects.
  91     if ( !wxXmlResource::Get()->LoadAllFiles("rc") )
  92         return false;
  93
  94 #if wxUSE_HELP
  95     // Use the simple help provider to show the context-sensitive help
  96     wxHelpProvider::Set( new wxSimpleHelpProvider );
  97 #endif // wxUSE_HELP
  98
  99     // Make an instance of your derived frame. Passing NULL (the default value
 100     // of MyFrame's constructor is NULL) as the frame doesn't have a parent
 101     // since it is the main application window.
 102     MyFrame *frame = new MyFrame();
 103
 104     // Show the frame as it's created initially hidden.
 105     frame->Show(true);
 106
 107     // Return true to tell program to continue (false would terminate).
 108     return true;
 109 }
 110