Added a few #if wxUSE_XXX

Regrouped image format handlers
  Updated the rest accordingly
  Added changes.txt for wxGTK


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2795 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/dcpsg.h

@@ -17,6 +17,8 @@
 
 #include "wx/dc.h"
 
+#if wxUSE_PRINTING_ARCHITECTURE
+
 #if wxUSE_POSTSCRIPT
 
 #include "wx/dialog.h"
@@ -275,6 +277,9 @@ WXDLLEXPORT extern void wxInitializePrintSetupData(bool init = TRUE);
 
 #endif
     // wxUSE_POSTSCRIPT
+    
+#endif
+    // wxUSE_PRINTING_ARCHITECTURE
 
 #endif
         // _WX_DCPSG_H_

include/wx/generic/dirdlgg.h

@@ -54,8 +54,12 @@
 #pragma interface "dirdlgg.h"
 #endif
 
+#include "wx/defs.h"
+
+#if wxUSE_DIRDLG
+
 #include "wx/dialog.h"
-//#include "wx/checkbox.h"
+#include "wx/checkbox.h"
 #include "wx/treectrl.h"
 
 //-----------------------------------------------------------------------------
@@ -116,6 +120,8 @@ class WXDLLEXPORT wxDirDialog: public wxDialog
     void doSize();
 };
 
+#endif
+
 #endif
     // _WX_DIRDLGG_H_
 

include/wx/generic/printps.h

@@ -19,6 +19,8 @@
 
 #include "wx/prntbase.h"
 
+#if wxUSE_PRINTING_ARCHITECTURE
+
 // ----------------------------------------------------------------------------
 // Represents the printer: manages printing a wxPrintout object
 // ----------------------------------------------------------------------------
@@ -62,5 +64,7 @@ private:
     void Init(wxPrintout *printout, wxPrintout *printoutForPrinting);
 };
 
+#endif
+
 #endif
 // __PRINTPSH__

include/wx/generic/prntdlgg.h

@@ -18,6 +18,9 @@
 #endif
 
 #include "wx/defs.h"
+
+#if wxUSE_PRINTING_ARCHITECTURE
+
 #include "wx/dialog.h"
 #include "wx/dialog.h"
 
@@ -187,5 +190,7 @@ private:
     DECLARE_EVENT_TABLE()
 };
 
+#endif
+
 #endif
 // __PRINTDLGH_G__

include/wx/generic/progdlgg.h

@@ -17,10 +17,11 @@
 #endif
 
 #include "wx/setup.h"
+
+#if wxUSE_PROGRESSDLG
+
 #include "wx/frame.h"
 
-
-
 /** Progress dialog which shows a moving progress bar.
     Taken from the Mahogany project.*/
 
@@ -88,5 +89,7 @@ private:
 
    DECLARE_EVENT_TABLE()
 };
+#endif
+
 #endif
     // __PROGDLGH_G__