tdf#42949 Fix IWYU warnings in include/vcl/[t-u]*

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

Change-Id: Ib32ea54a3fa690a0722fa75ddb4121ec78c0b64f
Reviewed-on: https://gerrit.libreoffice.org/65386
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

22 files changed, 41 insertions, 57 deletions

diff --git a/include/IwyuFilter_include.yaml b/include/IwyuFilter_include.yaml
index f2f6169f8a69..d9d8facad6d0 100644
--- a/include/IwyuFilter_include.yaml
+++ b/include/IwyuFilter_include.yaml
@@ -270,3 +270,13 @@ blacklist:
     include/vcl/prntypes.hxx:
     # Needed for macro
     - tools/solar.h
+    include/vcl/transfer.hxx:
+    # base class has to be a complete type
+    - com/sun/star/datatransfer/XTransferable2.hpp
+    - com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp
+    - com/sun/star/datatransfer/dnd/XDragSourceListener.hpp
+    - com/sun/star/lang/XUnoTunnel.hpp
+    - com/sun/star/lang/XServiceInfo.hpp
+    - com/sun/star/frame/XTerminateListener.hpp
+    - com/sun/star/datatransfer/dnd/XDragGestureListener.hpp
+    - com/sun/star/datatransfer/dnd/XDropTargetListener.hpp
diff --git a/include/sfx2/unoctitm.hxx b/include/sfx2/unoctitm.hxx
index 81a9ea1a698a..f78c4316fc6c 100644
--- a/include/sfx2/unoctitm.hxx
+++ b/include/sfx2/unoctitm.hxx
@@ -29,6 +29,7 @@
 #include <com/sun/star/frame/XFrame.hpp>
 #include <cppuhelper/implbase.hxx>
 #include <cppuhelper/interfacecontainer.hxx>
+#include <cppuhelper/weakref.hxx>
 
 #include <sfx2/ctrlitem.hxx>
 #include <osl/mutex.hxx>
diff --git a/include/vcl/svlbitm.hxx b/include/vcl/svlbitm.hxx
index cd8001614195..c5e478a6d539 100644
--- a/include/vcl/svlbitm.hxx
+++ b/include/vcl/svlbitm.hxx
@@ -29,6 +29,7 @@
 #include <o3tl/typed_flags_set.hxx>
 
 class SvTreeListEntry;
+class SvLBoxButton;
 
 
 enum class SvBmp
diff --git a/include/vcl/tabctrl.hxx b/include/vcl/tabctrl.hxx
index dbb82b3594ec..332f92abb4e9 100644
--- a/include/vcl/tabctrl.hxx
+++ b/include/vcl/tabctrl.hxx
@@ -30,7 +30,6 @@
 struct ImplTabItem;
 struct ImplTabCtrlData;
 class TabPage;
-class PushButton;
 class ListBox;
 
 #ifndef TAB_APPEND
diff --git a/include/vcl/tabdlg.hxx b/include/vcl/tabdlg.hxx
index 32a34e3767da..7c6c18b473d3 100644
--- a/include/vcl/tabdlg.hxx
+++ b/include/vcl/tabdlg.hxx
@@ -24,7 +24,6 @@
 #include <vcl/dialog.hxx>
 
 class FixedLine;
-class TabControl;
 
 class VCL_DLLPUBLIC TabDialog : public Dialog
 {
diff --git a/include/vcl/tabpage.hxx b/include/vcl/tabpage.hxx
index bd8475d81591..29af647d6cd7 100644
--- a/include/vcl/tabpage.hxx
+++ b/include/vcl/tabpage.hxx
@@ -20,7 +20,6 @@
 #ifndef INCLUDED_VCL_TABPAGE_HXX
 #define INCLUDED_VCL_TABPAGE_HXX
 
-#include <tools/solar.h>
 #include <vcl/dllapi.h>
 #include <vcl/builder.hxx>
 #include <vcl/weld.hxx>
diff --git a/include/vcl/task.hxx b/include/vcl/task.hxx
index 76d2890055fb..f5af890e2f57 100644
--- a/include/vcl/task.hxx
+++ b/include/vcl/task.hxx
@@ -22,9 +22,7 @@
 
 #include <vcl/dllapi.h>
 #include <sal/log.hxx>
-#include <memory>
 
-class Scheduler;
 struct ImplSchedulerData;
 
 enum class TaskPriority
diff --git a/include/vcl/texteng.hxx b/include/vcl/texteng.hxx
index cd961420261b..7e6c9d452590 100644
--- a/include/vcl/texteng.hxx
+++ b/include/vcl/texteng.hxx
@@ -47,19 +47,14 @@ class TextAttrib;
 class TextCharAttrib;
 class TextUndo;
 class TextUndoManager;
-class EditSelFunctionSet;
-class Idle;
 class IdleFormatter;
 class TextNode;
 class OutputDevice;
-class SfxUndoAction;
 class KeyEvent;
 class Timer;
 class SfxUndoManager;
 class TextLine;
-class TETextPortion;
 struct TEIMEInfos;
-class SvtCTLOptions;
 
 namespace com {
 namespace sun {
diff --git a/include/vcl/textrectinfo.hxx b/include/vcl/textrectinfo.hxx
index 8b98e1a37c99..c13d65e80362 100644
--- a/include/vcl/textrectinfo.hxx
+++ b/include/vcl/textrectinfo.hxx
@@ -20,7 +20,8 @@
 #ifndef INCLUDED_VCL_TEXTRECTINFO_HXX
 #define INCLUDED_VCL_TEXTRECTINFO_HXX
 
-#include <vcl/outdev.hxx>
+#include <vcl/dllapi.h>
+class OutputDevice;
 
 class VCL_DLLPUBLIC TextRectInfo
 {
diff --git a/include/vcl/textview.hxx b/include/vcl/textview.hxx
index 1b30c9904c04..0b10eea1d47a 100644
--- a/include/vcl/textview.hxx
+++ b/include/vcl/textview.hxx
@@ -26,19 +26,15 @@
 #include <vcl/dllapi.h>
 #include <vcl/dndhelp.hxx>
 #include <vcl/textdata.hxx>
-#include <vcl/window.hxx>
+#include <vcl/outdev.hxx>
 #include <memory>
 
 class TextEngine;
-class OutputDevice;
 
 class KeyEvent;
 class MouseEvent;
 class CommandEvent;
-class TextSelFunctionSet;
-class SelectionEngine;
-class VirtualDevice;
-struct TextDDInfo;
+namespace vcl { class Window; }
 
 namespace com { namespace sun { namespace star {
     namespace datatransfer { namespace clipboard {
diff --git a/include/vcl/threadex.hxx b/include/vcl/threadex.hxx
index 7879536afc9e..b8962f2d0e0b 100644
--- a/include/vcl/threadex.hxx
+++ b/include/vcl/threadex.hxx
@@ -21,11 +21,9 @@
 #define INCLUDED_VCL_THREADEX_HXX
 
 #include <osl/conditn.hxx>
-#include <osl/thread.h>
 #include <tools/link.hxx>
 #include <vcl/dllapi.h>
 
-#include <cppuhelper/exc_hlp.hxx>
 #include <boost/optional.hpp>
 #include <memory>
 
diff --git a/include/vcl/throbber.hxx b/include/vcl/throbber.hxx
index d079a8d39ea0..b0f49b18c38e 100644
--- a/include/vcl/throbber.hxx
+++ b/include/vcl/throbber.hxx
@@ -24,8 +24,6 @@
 #include <vcl/imgctrl.hxx>
 #include <vcl/timer.hxx>
 
-#include <com/sun/star/graphic/XGraphic.hpp>
-
 #include <vector>
 
 class VCL_DLLPUBLIC Throbber : public ImageControl
diff --git a/include/vcl/toolbox.hxx b/include/vcl/toolbox.hxx
index 6e2c7e4b6325..ea6672d12ac8 100644
--- a/include/vcl/toolbox.hxx
+++ b/include/vcl/toolbox.hxx
@@ -20,7 +20,6 @@
 #ifndef INCLUDED_VCL_TOOLBOX_HXX
 #define INCLUDED_VCL_TOOLBOX_HXX
 
-#include <vcl/vclstatuslistener.hxx>
 #include <vcl/vclenum.hxx>
 #include <vcl/dllapi.h>
 #include <vcl/dockwin.hxx>
@@ -31,14 +30,13 @@
 #include <memory>
 #include <vector>
 
-#include <com/sun/star/frame/XFrame.hpp>
-#include <com/sun/star/frame/FeatureStateEvent.hpp>
+namespace com { namespace sun { namespace star { namespace frame { class XFrame; } } } }
+namespace com { namespace sun { namespace star { namespace frame { struct FeatureStateEvent; } } } }
+template <class T> class VclStatusListener;
 
 class Timer;
-class UserDrawEvent;
 struct ImplToolItem;
 struct ImplToolBoxPrivateData;
-class  ImplTrackRect;
 class  PopupMenu;
 
 #define TOOLBOX_STYLE_FLAT          (sal_uInt16(0x0004))
diff --git a/include/vcl/transfer.hxx b/include/vcl/transfer.hxx
index 8da3e4ec7a8a..7b5fb5ea9618 100644
--- a/include/vcl/transfer.hxx
+++ b/include/vcl/transfer.hxx
@@ -23,8 +23,6 @@
 #include <vcl/dllapi.h>
 #include <tools/globname.hxx>
 #include <tools/gen.hxx>
-#include <tools/link.hxx>
-#include <tools/ref.hxx>
 #include <tools/solar.h>
 #include <sot/formats.hxx>
 #include <sot/exchange.hxx>
@@ -35,16 +33,21 @@
 #include <com/sun/star/datatransfer/XTransferable2.hpp>
 #include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
 #include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>
-#include <com/sun/star/datatransfer/dnd/XDragGestureRecognizer.hpp>
-#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
+#include <com/sun/star/datatransfer/dnd/XDragGestureListener.hpp>
 #include <com/sun/star/datatransfer/dnd/DropTargetDragEvent.hpp>
 #include <com/sun/star/datatransfer/dnd/DropTargetDropEvent.hpp>
 #include <com/sun/star/datatransfer/dnd/XDragSourceListener.hpp>
 #include <com/sun/star/datatransfer/dnd/XDropTargetListener.hpp>
 #include <com/sun/star/embed/Aspects.hpp>
-#include <com/sun/star/io/XInputStream.hpp>
 #include <memory>
 
+namespace com { namespace sun { namespace star { namespace datatransfer { namespace dnd { class XDragGestureRecognizer; } } } } }
+namespace com { namespace sun { namespace star { namespace io { class XInputStream; } } } }
+namespace com { namespace sun { namespace star { namespace datatransfer { namespace dnd { class XDropTarget; } } } } }
+
+namespace tools { template <typename T> class SvRef; }
+template <typename Arg, typename Ret> class Link;
+
 class BitmapEx;
 class GDIMetaFile;
 class Graphic;
diff --git a/include/vcl/treelist.hxx b/include/vcl/treelist.hxx
index 3b7eba4a2c36..8b56418bf063 100644
--- a/include/vcl/treelist.hxx
+++ b/include/vcl/treelist.hxx
@@ -22,15 +22,12 @@
 
 #include <vcl/dllapi.h>
 #include <vcl/treelistentries.hxx>
-#include <vcl/viewdataentry.hxx>
 
 #include <tools/solar.h>
 #include <tools/link.hxx>
 #include <tools/contnr.hxx>
 
-#include <limits.h>
 #include <memory>
-#include <vector>
 
 enum class SvListAction
 {
@@ -50,6 +47,7 @@ enum class SvListAction
 
 class SvTreeListEntry;
 class SvListView;
+class SvViewDataEntry;
 
 enum SvSortMode { SortAscending, SortDescending, SortNone };
 
diff --git a/include/vcl/treelistbox.hxx b/include/vcl/treelistbox.hxx
index ccda59cda51f..1e3351153ca1 100644
--- a/include/vcl/treelistbox.hxx
+++ b/include/vcl/treelistbox.hxx
@@ -27,9 +27,6 @@
 #include <vector>
 
 #include <vcl/ctrl.hxx>
-#include <vcl/seleng.hxx>
-#include <vcl/edit.hxx>
-#include <vcl/timer.hxx>
 #include <vcl/accel.hxx>
 #include <vcl/mnemonicengine.hxx>
 #include <vcl/quickselectionengine.hxx>
@@ -39,20 +36,19 @@
 #include <vcl/treelist.hxx>
 #include <vcl/transfer.hxx>
 #include <vcl/idle.hxx>
+#include <vcl/menu.hxx>
 #include <o3tl/typed_flags_set.hxx>
 
-class Application;
 class SvTreeListBox;
 class SvTreeListEntry;
 struct SvViewDataItem;
 class SvViewDataEntry;
 class SvInplaceEdit2;
 class SvLBoxString;
-class SvLBoxButton;
-class SvLBoxContextBmp;
 class SvImpLBox;
 class SvLBoxButtonData;
-struct SvLBoxDDInfo;
+class Timer;
+class Edit;
 
 namespace utl {
     class AccessibleStateSetHelper;
@@ -186,8 +182,6 @@ namespace o3tl
 }
 
 struct SvTreeListBoxImpl;
-class SalInstanceTreeView;
-class SalInstanceEntryTreeView;
 
 class VCL_DLLPUBLIC SvTreeListBox
                 :public Control
diff --git a/include/vcl/txtattr.hxx b/include/vcl/txtattr.hxx
index 677d5e0c6a5c..13019667ea85 100644
--- a/include/vcl/txtattr.hxx
+++ b/include/vcl/txtattr.hxx
@@ -20,10 +20,9 @@
 #ifndef INCLUDED_VCL_TXTATTR_HXX
 #define INCLUDED_VCL_TXTATTR_HXX
 
-#include <rtl/ustring.hxx>
 #include <tools/color.hxx>
 #include <tools/debug.hxx>
-#include <vcl/vclenum.hxx>
+#include <tools/fontenum.hxx>
 #include <vcl/dllapi.h>
 #include <memory>
 
diff --git a/include/vcl/uitest/eventdescription.hxx b/include/vcl/uitest/eventdescription.hxx
index 7c5eec65b2a6..ed2b54f3439b 100644
--- a/include/vcl/uitest/eventdescription.hxx
+++ b/include/vcl/uitest/eventdescription.hxx
@@ -7,6 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#include <rtl/ustring.hxx>
 #include <map>
 
 struct EventDescription
@@ -15,4 +16,4 @@ struct EventDescription
     std::map<OUString, OUString> aParameters;
 };
 
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
\ No newline at end of file
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/vcl/uitest/logger.hxx b/include/vcl/uitest/logger.hxx
index 18fadd77aad2..89f7c72f693b 100644
--- a/include/vcl/uitest/logger.hxx
+++ b/include/vcl/uitest/logger.hxx
@@ -10,14 +10,16 @@
 #include <vcl/dllapi.h>
 
 #include <tools/stream.hxx>
-#include <vcl/ctrl.hxx>
-#include <com/sun/star/uno/Sequence.hxx>
+#include <vcl/vclevent.hxx>
 
 namespace com { namespace sun { namespace star {
     namespace beans { struct PropertyValue; }
 } } }
+namespace com { namespace sun { namespace star { namespace uno { template <class E> class Sequence; } } } }
 
 struct EventDescription;
+class Control;
+class KeyEvent;
 
 class UITEST_DLLPUBLIC UITestLogger
 {
diff --git a/include/vcl/uitest/uiobject.hxx b/include/vcl/uitest/uiobject.hxx
index e56801af17f4..3a94ffa53bc5 100644
--- a/include/vcl/uitest/uiobject.hxx
+++ b/include/vcl/uitest/uiobject.hxx
@@ -17,7 +17,6 @@
 #include <vcl/window.hxx>
 #include <vcl/spin.hxx>
 #include <vcl/button.hxx>
-#include <vcl/edit.hxx>
 #include <vcl/tabpage.hxx>
 #include <vcl/lstbox.hxx>
 #include <vcl/combobox.hxx>
@@ -29,6 +28,8 @@
 
 #include <set>
 
+class Edit;
+
 typedef std::map<const OUString, OUString> StringMap;
 
 /**
diff --git a/include/vcl/uitest/uitest.hxx b/include/vcl/uitest/uitest.hxx
index 1759ea7656b0..00465b0ee1e8 100644
--- a/include/vcl/uitest/uitest.hxx
+++ b/include/vcl/uitest/uitest.hxx
@@ -12,11 +12,11 @@
 #include <vcl/dllapi.h>
 
 #include <memory>
-#include <com/sun/star/uno/Sequence.hxx>
 
 namespace com { namespace sun { namespace star {
     namespace beans { struct PropertyValue; }
 } } }
+namespace com { namespace sun { namespace star { namespace uno { template <typename > class Sequence; } } } }
 
 class UIObject;
 
diff --git a/include/vcl/unohelp.hxx b/include/vcl/unohelp.hxx
index 7fe34d48a6da..ab00fff5d553 100644
--- a/include/vcl/unohelp.hxx
+++ b/include/vcl/unohelp.hxx
@@ -22,7 +22,6 @@
 
 #include <com/sun/star/uno/Reference.h>
 #include <com/sun/star/awt/FontSlant.hpp>
-#include <rtl/ustring.hxx>
 #include <tools/fontenum.hxx>
 #include <vcl/dllapi.h>
 
@@ -32,7 +31,6 @@ namespace star {
 namespace i18n {
     class XBreakIterator;
     class XCharacterClassification;
-    class XCollator;
 }}}}
 
 namespace com {
@@ -43,11 +41,6 @@ namespace accessibility {
 }
 }}}
 
-namespace comphelper {
-    namespace string {
-        class NaturalStringSorter;
-}}
-
 namespace vcl
 {
 namespace unohelper