Add a new flag wxXRC_USE_ENVVARS for wxXmlResourceFlags that triggers a call to wxExpandEnvVars() for bitmap, icon and animation paths. This flag is not set by default to avoid silently changing the behaviour of existing applications. Closes https://github.com/wxWidgets/wxWidgets/pull/1445
		
			
				
	
	
		
			129 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //-----------------------------------------------------------------------------
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| // Name:        xrcdemo.cpp
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| // Purpose:     XML resources sample: Main application file
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| // Author:      Robert O'Connor (rob@medicalmnemonics.com), Vaclav Slavik
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| // Copyright:   (c) Robert O'Connor and Vaclav Slavik
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| // Licence:     wxWindows licence
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| //-----------------------------------------------------------------------------
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| 
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| //-----------------------------------------------------------------------------
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| // Standard wxWidgets headers
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| //-----------------------------------------------------------------------------
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| 
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| // For compilers that support precompilation, includes "wx/wx.h".
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| #include "wx/wxprec.h"
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| 
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| #ifdef __BORLANDC__
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|     #pragma hdrstop
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| #endif
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| 
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| // For all others, include the necessary headers (this file is usually all you
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| // need because it includes almost all "standard" wxWidgets headers)
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| #ifndef WX_PRECOMP
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|     #include "wx/wx.h"
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| #endif
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| 
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| //-----------------------------------------------------------------------------
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| // Header of this .cpp file
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| //-----------------------------------------------------------------------------
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| 
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| #include "xrcdemo.h"
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| 
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| //-----------------------------------------------------------------------------
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| // Remaining headers: Needed wx headers, then wx/contrib headers, then app one
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| //-----------------------------------------------------------------------------
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| 
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| #include "wx/image.h"               // wxImage
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| 
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| #include "wx/xrc/xmlres.h"          // XRC XML resources
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| 
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| #if wxUSE_RIBBON
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|     #include "wx/xrc/xh_ribbon.h"
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| #endif // wxUSE_RIBBON
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| 
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| #if wxUSE_AUI
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|     #include "wx/xrc/xh_aui.h"
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|     #include "wx/xrc/xh_auitoolb.h"
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| #endif // wxUSE_AUI
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| 
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| #include "wx/cshelp.h"              // wxSimpleHelpProvider for helptext
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| 
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| #include "myframe.h"
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| 
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| //-----------------------------------------------------------------------------
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| // wxWidgets macro: Declare the application.
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| //-----------------------------------------------------------------------------
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| 
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| // Create a new application object: this macro will allow wxWidgets to create
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| // the application object during program execution (it's better than using a
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| // static object for many reasons) and also declares the accessor function
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| // wxGetApp() which will return the reference of the right type (i.e. the_app and
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| // not wxApp).
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| wxIMPLEMENT_APP(MyApp);
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| 
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| //-----------------------------------------------------------------------------
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| // Public methods
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| //-----------------------------------------------------------------------------
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| 
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| // 'Main program' equivalent: the program execution "starts" here
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| bool MyApp::OnInit()
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| {
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|     if ( !wxApp::OnInit() )
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|         return false;
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| 
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|     // If there is any of a certain format of image in the xrcs, then first
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|     // load a handler for that image type. This example uses XPMs & a gif, but
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|     // if you want PNGs, then add a PNG handler, etc. See wxImage::AddHandler()
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|     // documentation for the types of image handlers available.
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| #if wxUSE_XPM
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|     wxImage::AddHandler(new wxXPMHandler);
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| #endif
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| #if wxUSE_GIF
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|     wxImage::AddHandler(new wxGIFHandler);
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| #endif
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| 
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|     // Initialize all the XRC handlers. Always required (unless you feel like
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|     // going through and initializing a handler of each control type you will
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|     // be using (ie initialize the spinctrl handler, initialize the textctrl
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|     // handler). However, if you are only using a few control types, it will
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|     // save some space to only initialize the ones you will be using. See
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|     // wxXRC docs for details.
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|     wxXmlResource::Get()->InitAllHandlers();
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| 
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|     // Allow using environment variables in the file paths in the resources,
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|     // while keeping the default wxXRC_USE_LOCALE flag.
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|     wxXmlResource::Get()->SetFlags(wxXRC_USE_LOCALE | wxXRC_USE_ENVVARS);
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| 
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| #if wxUSE_RIBBON
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|     wxXmlResource::Get()->AddHandler(new wxRibbonXmlHandler);
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| #endif
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| 
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| #if wxUSE_AUI
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|     wxXmlResource::Get()->AddHandler(new wxAuiXmlHandler);
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|     wxXmlResource::Get()->AddHandler(new wxAuiToolBarXmlHandler);
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| #endif
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| 
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|     // Load all of the XRC files that will be used. You can put everything
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|     // into one giant XRC file if you wanted, but then they become more
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|     // diffcult to manage, and harder to reuse in later projects.
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|     if ( !wxXmlResource::Get()->LoadAllFiles("rc") )
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|         return false;
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| 
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| #if wxUSE_HELP
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|     // Use the simple help provider to show the context-sensitive help
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|     wxHelpProvider::Set( new wxSimpleHelpProvider );
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| #endif // wxUSE_HELP
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| 
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|     // Make an instance of your derived frame. Passing NULL (the default value
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|     // of MyFrame's constructor is NULL) as the frame doesn't have a parent
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|     // since it is the main application window.
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|     MyFrame *frame = new MyFrame();
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| 
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|     // Show the frame as it's created initially hidden.
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|     frame->Show(true);
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| 
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|     // Return true to tell program to continue (false would terminate).
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|     return true;
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| }
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| 
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