tdf#42949 Fix IWYU warnings in include/vcl/[v-x]*

Found with bin/find-unneeded-includes
Only removal proposals are dealt with here.

Change-Id: I98f49765c6b74808dcbd692e0f375dd2848fcfd4
Reviewed-on: https://gerrit.libreoffice.org/65614
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

34 files changed, 87 insertions, 54 deletions

diff --git a/include/IwyuFilter_include.yaml b/include/IwyuFilter_include.yaml
index d9d8facad6d0..b86f47d264ba 100644
--- a/include/IwyuFilter_include.yaml
+++ b/include/IwyuFilter_include.yaml
@@ -280,3 +280,10 @@ blacklist:
     - com/sun/star/frame/XTerminateListener.hpp
     - com/sun/star/datatransfer/dnd/XDragGestureListener.hpp
     - com/sun/star/datatransfer/dnd/XDropTargetListener.hpp
+    include/vcl/vclstatuslistener.hxx:
+    # base class has to be a complete type
+    - com/sun/star/frame/XStatusListener.hpp
+    include/vcl/weld.hxx:
+    # base class has to be a complete type
+    - com/sun/star/accessibility/XAccessibleRelationSet.hpp
+    - com/sun/star/accessibility/XAccessible.hpp
diff --git a/include/drawinglayer/primitive2d/textenumsprimitive2d.hxx b/include/drawinglayer/primitive2d/textenumsprimitive2d.hxx
index b84779984e95..3547185e2126 100644
--- a/include/drawinglayer/primitive2d/textenumsprimitive2d.hxx
+++ b/include/drawinglayer/primitive2d/textenumsprimitive2d.hxx
@@ -24,6 +24,7 @@
 
 #include <drawinglayer/primitive2d/baseprimitive2d.hxx>
 #include <vcl/vclenum.hxx>
+#include <tools/fontenum.hxx>
 
 
 namespace drawinglayer
diff --git a/include/editeng/crossedoutitem.hxx b/include/editeng/crossedoutitem.hxx
index 8d524aef93ab..f1ffb7d3ffd3 100644
--- a/include/editeng/crossedoutitem.hxx
+++ b/include/editeng/crossedoutitem.hxx
@@ -20,6 +20,7 @@
 #define INCLUDED_EDITENG_CROSSEDOUTITEM_HXX
 
 #include <vcl/vclenum.hxx>
+#include <tools/fontenum.hxx>
 #include <svl/eitem.hxx>
 #include <editeng/editengdllapi.h>
 
diff --git a/include/editeng/udlnitem.hxx b/include/editeng/udlnitem.hxx
index b26c9a7e9ade..6e76ccb17c66 100644
--- a/include/editeng/udlnitem.hxx
+++ b/include/editeng/udlnitem.hxx
@@ -22,6 +22,7 @@
 #include <svl/eitem.hxx>
 #include <vcl/vclenum.hxx>
 #include <tools/color.hxx>
+#include <tools/fontenum.hxx>
 #include <editeng/editengdllapi.h>
 
 class SvXMLUnitConverter;
diff --git a/include/editeng/wghtitem.hxx b/include/editeng/wghtitem.hxx
index 504650420841..3e453362119a 100644
--- a/include/editeng/wghtitem.hxx
+++ b/include/editeng/wghtitem.hxx
@@ -20,6 +20,7 @@
 #define INCLUDED_EDITENG_WGHTITEM_HXX
 
 #include <vcl/vclenum.hxx>
+#include <tools/fontenum.hxx>
 #include <svl/eitem.hxx>
 #include <editeng/editengdllapi.h>
 
diff --git a/include/framework/menuconfiguration.hxx b/include/framework/menuconfiguration.hxx
index 1707eeea583c..8cf07268a0c1 100644
--- a/include/framework/menuconfiguration.hxx
+++ b/include/framework/menuconfiguration.hxx
@@ -32,6 +32,7 @@
 #include <framework/fwedllapi.h>
 
 #include <cppuhelper/weak.hxx>
+#include <cppuhelper/weakref.hxx>
 #include <vcl/menu.hxx>
 #include <vcl/toolbox.hxx>
 
diff --git a/include/svtools/brwbox.hxx b/include/svtools/brwbox.hxx
index 31c28e8b8e11..cba45688835d 100644
--- a/include/svtools/brwbox.hxx
+++ b/include/svtools/brwbox.hxx
@@ -24,6 +24,7 @@
 #include <vcl/ctrl.hxx>
 #include <vcl/vclptr.hxx>
 #include <tools/multisel.hxx>
+#include <vcl/event.hxx>
 #include <vcl/headbar.hxx>
 #include <vcl/transfer.hxx>
 #include <vcl/AccessibleBrowseBoxObjType.hxx>
diff --git a/include/svtools/dialogcontrolling.hxx b/include/svtools/dialogcontrolling.hxx
index 35b7a11171c5..ada35ea75581 100644
--- a/include/svtools/dialogcontrolling.hxx
+++ b/include/svtools/dialogcontrolling.hxx
@@ -24,6 +24,7 @@
 
 #include <tools/link.hxx>
 #include <vcl/button.hxx>
+#include <vcl/vclevent.hxx>
 
 #include <memory>
 #include <vector>
diff --git a/include/svtools/tabbar.hxx b/include/svtools/tabbar.hxx
index 7b63f60ce44a..cccd894b36cb 100644
--- a/include/svtools/tabbar.hxx
+++ b/include/svtools/tabbar.hxx
@@ -23,6 +23,7 @@
 #include <svtools/svtdllapi.h>
 #include <tools/link.hxx>
 #include <vcl/window.hxx>
+#include <vcl/settings.hxx>
 #include <o3tl/typed_flags_set.hxx>
 #include <memory>
 
diff --git a/include/svtools/valueset.hxx b/include/svtools/valueset.hxx
index 440d6e671d35..2a37ea21216b 100644
--- a/include/svtools/valueset.hxx
+++ b/include/svtools/valueset.hxx
@@ -22,6 +22,7 @@
 
 #include <svtools/svtdllapi.h>
 
+#include <vcl/event.hxx>
 #include <vcl/ctrl.hxx>
 #include <vcl/virdev.hxx>
 #include <vcl/timer.hxx>
diff --git a/include/svx/dialcontrol.hxx b/include/svx/dialcontrol.hxx
index d962012eb448..6c8be018e053 100644
--- a/include/svx/dialcontrol.hxx
+++ b/include/svx/dialcontrol.hxx
@@ -24,9 +24,11 @@
 #include <vcl/ctrl.hxx>
 #include <vcl/customweld.hxx>
 #include <vcl/weld.hxx>
+#include <vcl/virdev.hxx>
 #include <svx/svxdllapi.h>
 
 class NumericField;
+class Edit;
 
 namespace svx {
 
diff --git a/include/svx/sidebar/SidebarDialControl.hxx b/include/svx/sidebar/SidebarDialControl.hxx
index 0b2d8bce1b7d..c5f4fd85d7f8 100644
--- a/include/svx/sidebar/SidebarDialControl.hxx
+++ b/include/svx/sidebar/SidebarDialControl.hxx
@@ -20,6 +20,7 @@
 #define INCLUDED_SVX_SIDEBAR_SIDEBARDIALCONTROL_HXX
 
 #include <svx/dialcontrol.hxx>
+#include <vcl/field.hxx>
 
 namespace svx { namespace sidebar {
 
diff --git a/include/svx/svdview.hxx b/include/svx/svdview.hxx
index 677ba9b70fc2..149bffcb872f 100644
--- a/include/svx/svdview.hxx
+++ b/include/svx/svdview.hxx
@@ -27,6 +27,7 @@
 #include <svtools/accessibilityoptions.hxx>
 #include <svx/svxdllapi.h>
 #include <svx/svdcrtv.hxx>
+#include <vcl/event.hxx>
 #include <unotools/options.hxx>
 #include <basegfx/polygon/b2dpolypolygon.hxx>
 #include <basegfx/polygon/b2dpolygon.hxx>
diff --git a/include/vcl/ITiledRenderable.hxx b/include/vcl/ITiledRenderable.hxx
index 2064b934b5c2..dcd98b959fc9 100644
--- a/include/vcl/ITiledRenderable.hxx
+++ b/include/vcl/ITiledRenderable.hxx
@@ -19,6 +19,8 @@
 #include <vcl/ptrstyle.hxx>
 #include <map>
 
+namespace com { namespace sun { namespace star { namespace beans { struct PropertyValue; } } } }
+
 namespace vcl
 {
     /*
diff --git a/include/vcl/layout.hxx b/include/vcl/layout.hxx
index 86a967c66415..da4cb16f5d68 100644
--- a/include/vcl/layout.hxx
+++ b/include/vcl/layout.hxx
@@ -17,6 +17,8 @@
 #include <vcl/split.hxx>
 #include <vcl/svapp.hxx>
 #include <vcl/window.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/event.hxx>
 #include <vcl/vclptr.hxx>
 #include <vcl/IContext.hxx>
 #include <vcl/commandevent.hxx>
diff --git a/include/vcl/lstbox.hxx b/include/vcl/lstbox.hxx
index 115645b17ab8..df42d7b6b9d2 100644
--- a/include/vcl/lstbox.hxx
+++ b/include/vcl/lstbox.hxx
@@ -25,6 +25,10 @@
 #include <vcl/dllapi.h>
 #include <vcl/ctrl.hxx>
 
+class DataChangedEvent;
+class NotifyEvent;
+class UserDrawEvent;
+
 #define LISTBOX_APPEND              (SAL_MAX_INT32)
 #define LISTBOX_ENTRY_NOTFOUND      (SAL_MAX_INT32)
 #define LISTBOX_MAX_ENTRIES         (SAL_MAX_INT32 - 1)
diff --git a/include/vcl/notebookbar.hxx b/include/vcl/notebookbar.hxx
index 4a031753609a..b2e9b8cf9f28 100644
--- a/include/vcl/notebookbar.hxx
+++ b/include/vcl/notebookbar.hxx
@@ -12,6 +12,7 @@
 
 #include <vcl/builder.hxx>
 #include <vcl/ctrl.hxx>
+#include <vcl/settings.hxx>
 #include <vector>
 
 namespace com { namespace sun { namespace star { namespace ui { class XContextChangeEventListener; } } } }
diff --git a/include/vcl/split.hxx b/include/vcl/split.hxx
index b205ffe85edb..fcc2fb182532 100644
--- a/include/vcl/split.hxx
+++ b/include/vcl/split.hxx
@@ -21,6 +21,7 @@
 #define INCLUDED_VCL_SPLIT_HXX
 
 #include <vcl/dllapi.h>
+#include <vcl/keycod.hxx>
 #include <vcl/window.hxx>
 
 #define SPLITTER_DEFAULTSTEPSIZE 0xFFFF
diff --git a/include/vcl/status.hxx b/include/vcl/status.hxx
index da7740af2ba6..c89b5064ff81 100644
--- a/include/vcl/status.hxx
+++ b/include/vcl/status.hxx
@@ -27,6 +27,10 @@
 #include <memory>
 #include <vector>
 
+class DataChangedEvent;
+class HelpEvent;
+class MouseEvent;
+class UserDrawEvent;
 struct ImplStatusItem;
 
 void VCL_DLLPUBLIC DrawProgress(vcl::Window* pWindow, vcl::RenderContext& rRenderContext, const Point& rPos,
diff --git a/include/vcl/svtabbx.hxx b/include/vcl/svtabbx.hxx
index 75aadf0db8f9..3e5f68bf146c 100644
--- a/include/vcl/svtabbx.hxx
+++ b/include/vcl/svtabbx.hxx
@@ -23,6 +23,8 @@
 #include <vcl/treelistbox.hxx>
 #include <vcl/accessibletableprovider.hxx>
 
+#include <tools/debug.hxx>
+
 #include <memory>
 #include <vector>
 
diff --git a/include/vcl/taskpanelist.hxx b/include/vcl/taskpanelist.hxx
index 5a6507fcf1e0..c055882e76a1 100644
--- a/include/vcl/taskpanelist.hxx
+++ b/include/vcl/taskpanelist.hxx
@@ -23,7 +23,12 @@
 #include <vcl/dllapi.h>
 
 #include <vector>
-#include <vcl/window.hxx>
+#include <vcl/keycod.hxx>
+#include <vcl/vclptr.hxx>
+
+class KeyEvent;
+
+namespace vcl { class Window; }
 
 class VCL_DLLPUBLIC TaskPaneList
 {
diff --git a/include/vcl/toolbox.hxx b/include/vcl/toolbox.hxx
index ea6672d12ac8..574501825879 100644
--- a/include/vcl/toolbox.hxx
+++ b/include/vcl/toolbox.hxx
@@ -24,6 +24,7 @@
 #include <vcl/dllapi.h>
 #include <vcl/dockwin.hxx>
 #include <vcl/image.hxx>
+#include <vcl/keycod.hxx>
 #include <o3tl/typed_flags_set.hxx>
 
 #include <limits>
@@ -38,6 +39,7 @@ class Timer;
 struct ImplToolItem;
 struct ImplToolBoxPrivateData;
 class  PopupMenu;
+class VclMenuEvent;
 
 #define TOOLBOX_STYLE_FLAT          (sal_uInt16(0x0004))
 
diff --git a/include/vcl/vclenum.hxx b/include/vcl/vclenum.hxx
index a55c5b0ceb35..1e8f59428e3f 100644
--- a/include/vcl/vclenum.hxx
+++ b/include/vcl/vclenum.hxx
@@ -21,7 +21,7 @@
 #define INCLUDED_VCL_VCLENUM_HXX
 
 #include <sal/types.h>
-#include <tools/fontenum.hxx>
+#include <o3tl/typed_flags_set.hxx>
 
 enum class SelectionMode { NONE, Single, Range, Multiple };
 
diff --git a/include/vcl/vcllayout.hxx b/include/vcl/vcllayout.hxx
index 6151785f5480..44752b6e4e06 100644
--- a/include/vcl/vcllayout.hxx
+++ b/include/vcl/vcllayout.hxx
@@ -21,18 +21,18 @@
 #define INCLUDED_VCL_VCLLAYOUT_HXX
 
 #include <memory>
-#include <vector>
 
 #include <basegfx/polygon/b2dpolypolygon.hxx>
 #include <tools/gen.hxx>
 #include <vcl/devicecoordinate.hxx>
 #include <vcl/dllapi.h>
-#include <vcl/glyphitem.hxx>
 
 class ImplLayoutArgs;
 class PhysicalFontFace;
 class SalGraphics;
 struct GlyphItem;
+class SalLayoutGlyphs;
+
 namespace vcl
 {
     class TextLayoutCache;
diff --git a/include/vcl/vclmedit.hxx b/include/vcl/vclmedit.hxx
index df57a4767eda..bcf294c87e46 100644
--- a/include/vcl/vclmedit.hxx
+++ b/include/vcl/vclmedit.hxx
@@ -28,7 +28,6 @@
 #include <memory>
 
 class ImpVclMEdit;
-class Timer;
 class ExtTextEngine;
 class TextView;
 
diff --git a/include/vcl/vclptr.hxx b/include/vcl/vclptr.hxx
index 1308b5d1a68b..9a621fdd0228 100644
--- a/include/vcl/vclptr.hxx
+++ b/include/vcl/vclptr.hxx
@@ -22,9 +22,7 @@
 
 #include <sal/config.h>
 
-#include <config_global.h>
 #include <rtl/ref.hxx>
-#include <vcl/vclreferencebase.hxx>
 
 #include <utility>
 #include <type_traits>
@@ -35,6 +33,8 @@
 #endif
 #endif
 
+class VclReferenceBase;
+
 namespace vcl { namespace detail {
 
 template<typename>
diff --git a/include/vcl/vclreferencebase.hxx b/include/vcl/vclreferencebase.hxx
index f90f579631a8..03b59b360391 100644
--- a/include/vcl/vclreferencebase.hxx
+++ b/include/vcl/vclreferencebase.hxx
@@ -20,13 +20,8 @@
 #define INCLUDED_VCL_Reference_HXX
 
 #include <vcl/dllapi.h>
-#include <tools/debug.hxx>
 #include <osl/interlck.h>
 
-#include <cassert>
-
-class VclReferenceBase;
-
 class VCL_DLLPUBLIC VclReferenceBase
 {
     mutable oslInterlockedCount mnRefCnt;
diff --git a/include/vcl/vectorgraphicdata.hxx b/include/vcl/vectorgraphicdata.hxx
index ea7615d2bdf6..113a733e296d 100644
--- a/include/vcl/vectorgraphicdata.hxx
+++ b/include/vcl/vectorgraphicdata.hxx
@@ -21,13 +21,14 @@
 #define INCLUDED_VCL_VECTORGRAPHICDATA_HXX
 
 #include <basegfx/range/b2drange.hxx>
-#include <com/sun/star/graphic/XPrimitive2D.hpp>
+#include <com/sun/star/uno/Sequence.hxx>
 #include <vcl/bitmapex.hxx>
-#include <vcl/wmfexternal.hxx>
 #include <rtl/ustring.hxx>
 #include <deque>
 #include <memory>
 
+namespace com { namespace sun { namespace star { namespace graphic { class XPrimitive2D; } } } }
+struct WmfExternal;
 
 typedef css::uno::Sequence<sal_Int8> VectorGraphicDataArray;
 
diff --git a/include/vcl/weld.hxx b/include/vcl/weld.hxx
index 04af87070d8a..653f83f1dfa3 100644
--- a/include/vcl/weld.hxx
+++ b/include/vcl/weld.hxx
@@ -11,20 +11,45 @@
 #define INCLUDED_VCL_WELD_HXX
 
 #include <rtl/ustring.hxx>
+#include <tools/color.hxx>
+#include <tools/fldunit.hxx>
 #include <tools/gen.hxx>
 #include <tools/link.hxx>
+#include <tools/time.hxx>
 #include <vcl/dllapi.h>
-#include <vcl/field.hxx>
 #include <vcl/vclenum.hxx>
-#include <vcl/virdev.hxx>
-#include <o3tl/make_unique.hxx>
+#include <vcl/font.hxx>
+#include <vcl/menu.hxx>
+#include <vcl/uitest/factory.hxx>
 
 #include <com/sun/star/accessibility/XAccessibleRelationSet.hpp>
+#include <com/sun/star/accessibility/XAccessible.hpp>
+
+#include <vector>
+
+namespace com
+{
+namespace sun
+{
+namespace star
+{
+namespace awt
+{
+class XWindow;
+}
+}
+}
+}
 
 typedef css::uno::Reference<css::accessibility::XAccessible> a11yref;
 typedef css::uno::Reference<css::accessibility::XAccessibleRelationSet> a11yrelationset;
 
 class SvNumberFormatter;
+class KeyEvent;
+class MouseEvent;
+class OutputDevice;
+class VirtualDevice;
+struct SystemEnvData;
 
 namespace vcl
 {
diff --git a/include/vcl/window.hxx b/include/vcl/window.hxx
index 02b59375423c..1e9539cf9a2a 100644
--- a/include/vcl/window.hxx
+++ b/include/vcl/window.hxx
@@ -24,20 +24,14 @@
 #include <vcl/dllapi.h>
 #include <vcl/outdev.hxx>
 #include <vcl/pointr.hxx>
+#include <tools/link.hxx>
 #include <tools/wintypes.hxx>
 #include <vcl/vclenum.hxx>
-#include <vcl/inputtypes.hxx>
-#include <vcl/cursor.hxx>
-#include <vcl/inputctx.hxx>
 #include <vcl/keycodes.hxx>
 #include <vcl/region.hxx>
-#include <vcl/salnativewidgets.hxx>
 #include <vcl/uitest/factory.hxx>
-#include <vcl/vclevent.hxx>
 #include <vcl/IDialogRenderable.hxx>
 #include <rtl/ustring.hxx>
-#include <rtl/ref.hxx>
-#include <cppuhelper/weakref.hxx>
 #include <com/sun/star/uno/Reference.hxx>
 #include <memory>
 
@@ -49,13 +43,10 @@ struct ImplCalcToTopData;
 struct SystemEnvData;
 struct SystemParentData;
 class ImplBorderWindow;
-class Idle;
 class Timer;
 class DockingManager;
 class ScrollBar;
-class Bitmap;
 class FixedText;
-class Image;
 class MouseEvent;
 class KeyEvent;
 class CommandEvent;
@@ -69,6 +60,8 @@ class SalFrame;
 class MenuFloatingWindow;
 class VCLXWindow;
 class VclWindowEvent;
+class AllSettings;
+class InputContext;
 enum class ImplPaintFlags;
 enum class VclEventId;
 
@@ -76,20 +69,16 @@ namespace com { namespace sun { namespace star {
 namespace accessibility {
     class XAccessible;
 }
-namespace beans {
-    struct PropertyValue;
-}
+
 namespace rendering {
     class XCanvas;
     class XSpriteCanvas;
 }
 namespace awt {
     class XWindowPeer;
-    class XWindow;
 }
 namespace uno {
     class Any;
-    class XInterface;
 }
 namespace datatransfer { namespace clipboard {
     class XClipboard;
@@ -420,16 +409,12 @@ const char* ImplDbgCheckWindow( const void* pObj );
 
 namespace vcl { class Window; }
 namespace vcl { class Cursor; }
-namespace vcl { class ILibreOfficeKitNotifier; }
 class Dialog;
 class WindowImpl;
 class PaintHelper;
 class VclSizeGroup;
-class OutputDevice;
 class Application;
-class SystemWindow;
 class WorkWindow;
-class Dialog;
 class MessBox;
 class MessageDialog;
 class DockingWindow;
@@ -438,12 +423,9 @@ class GroupBox;
 class PushButton;
 class RadioButton;
 class SystemChildWindow;
-class ImplBorderWindow;
 class ImplDockingWindowWrapper;
 class ImplPopupFloatWin;
-class MenuFloatingWindow;
 class LifecycleTest;
-namespace svt { class PopupWindowControllerImpl; }
 
 
 enum class WindowHitTest {
@@ -1595,10 +1577,6 @@ public:
 
 }
 
-// Only for compatibility - because many people outside haven't included event.hxx
-// These require Window to be defined for VclPtr<Window>
-#include <vcl/event.hxx>
-
 #endif // INCLUDED_VCL_WINDOW_HXX
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/vcl/wmf.hxx b/include/vcl/wmf.hxx
index d17dc7ec7fce..26a1c734425d 100644
--- a/include/vcl/wmf.hxx
+++ b/include/vcl/wmf.hxx
@@ -25,7 +25,6 @@
 class FilterConfigItem;
 class GDIMetaFile;
 class SvStream;
-struct WmfExternal;
 
 VCL_DLLPUBLIC bool ReadWindowMetafile( SvStream& rStream, GDIMetaFile& rMTF );
 
diff --git a/include/vcl/wmfexternal.hxx b/include/vcl/wmfexternal.hxx
index fd55c621c060..d428151ecf13 100644
--- a/include/vcl/wmfexternal.hxx
+++ b/include/vcl/wmfexternal.hxx
@@ -21,9 +21,9 @@
 #define INCLUDED_VCL_WMFEXTERNAL_HXX
 
 #include <vcl/dllapi.h>
-#include <com/sun/star/uno/Reference.hxx>
 #include <com/sun/star/uno/Sequence.hxx>
-#include <com/sun/star/beans/PropertyValue.hpp>
+
+namespace com { namespace sun { namespace star { namespace beans { struct PropertyValue; } } } }
 
 struct VCL_DLLPUBLIC WmfExternal
 {
diff --git a/include/vcl/wrkwin.hxx b/include/vcl/wrkwin.hxx
index d1ef8fd70e66..628d476a9a38 100644
--- a/include/vcl/wrkwin.hxx
+++ b/include/vcl/wrkwin.hxx
@@ -20,7 +20,6 @@
 #ifndef INCLUDED_VCL_WRKWIN_HXX
 #define INCLUDED_VCL_WRKWIN_HXX
 
-#include <tools/solar.h>
 #include <vcl/dllapi.h>
 #include <vcl/syswin.hxx>
 #include <o3tl/typed_flags_set.hxx>
diff --git a/include/vcl/xtextedt.hxx b/include/vcl/xtextedt.hxx
index bab4ba693654..94ca9d843f38 100644
--- a/include/vcl/xtextedt.hxx
+++ b/include/vcl/xtextedt.hxx
@@ -21,14 +21,8 @@
 
 #include <vcl/dllapi.h>
 #include <vcl/texteng.hxx>
-#include <vcl/textview.hxx>
 
-namespace com {
-namespace sun {
-namespace star {
-namespace util {
-    struct SearchOptions;
-}}}}
+namespace i18nutil { struct SearchOptions; }
 
 class VCL_DLLPUBLIC ExtTextEngine : public TextEngine
 {