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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_VCL_MENU_HXX
+#define INCLUDED_VCL_MENU_HXX
+
+#include <memory>
+#include <vcl/vclenum.hxx>
+#include <tools/link.hxx>
+#include <vcl/dllapi.h>
+#include <vcl/keycod.hxx>
+#include <vcl/vclreferencebase.hxx>
+#include <vcl/vclevent.hxx>
+#include <com/sun/star/uno/Reference.hxx>
+#include <o3tl/typed_flags_set.hxx>
+#include <list>
+
+class OutputDevice;
+struct ImplSVEvent;
+struct MenuItemData;
+class Point;
+class Size;
+namespace tools { class Rectangle; }
+class Menu;
+class MenuItemList;
+class Image;
+class PopupMenu;
+class KeyEvent;
+class CommandEvent;
+class MenuFloatingWindow;
+class SalMenu;
+class MenuBarWindow;
+struct SystemMenuData;
+enum class FloatWinPopupFlags;
+
+namespace com::sun::star::accessibility { class XAccessible; }
+namespace com::sun::star::frame { class XFrame; }
+
+namespace vcl
+{
+class Window;
+struct MenuLayoutData;
+typedef OutputDevice RenderContext; // same as in include/vcl/outdev.hxx
+class ILibreOfficeKitNotifier;
+}
+
+constexpr sal_uInt16 MENU_APPEND = 0xFFFF;
+constexpr sal_uInt16 MENU_ITEM_NOTFOUND = 0xFFFF;
+
+// Must match the definitions in css::awt::PopupMenuDirection.idl
+enum class PopupMenuFlags
+{
+ NONE = 0x0000,
+ ExecuteDown = 0x0001,
+ ExecuteUp = 0x0002,
+ ExecuteLeft = 0x0004,
+ ExecuteRight = 0x0008,
+ NoMouseUpClose = 0x0010,
+//If there isn't enough space to put the menu where it wants
+//to go, then they will be autoplaced. Toggle this bit
+//on to force menus to be placed either above or below
+//the starting rectangle and shrunk to fit and then scroll rather than place
+//the menu beside that rectangle
+ NoHorzPlacement = 0x0020,
+};
+
+namespace o3tl
+{
+ template<> struct typed_flags<PopupMenuFlags> : is_typed_flags<PopupMenuFlags, 0x003f> {};
+}
+
+enum class MenuFlags
+{
+ NONE = 0x0000,
+ NoAutoMnemonics = 0x0001,
+ HideDisabledEntries = 0x0002,
+ // overrides default hiding of disabled entries in popup menus
+ AlwaysShowDisabledEntries = 0x0004,
+};
+
+namespace o3tl
+{
+ template<> struct typed_flags<MenuFlags> : is_typed_flags<MenuFlags, 0x0007> {};
+}
+
+/// Invalid menu item id
+constexpr auto ITEMPOS_INVALID = 0xFFFF;
+
+struct ImplMenuDelData
+{
+ ImplMenuDelData* mpNext;
+ VclPtr<const Menu> mpMenu;
+
+ explicit ImplMenuDelData( const Menu* );
+ ~ImplMenuDelData();
+
+ bool isDeleted() const { return mpMenu == nullptr; }
+};
+
+typedef void (*MenuUserDataReleaseFunction)(void*);
+
+class VCL_DLLPUBLIC Menu : public VclReferenceBase
+{
+ friend class MenuBar;
+ friend class MenuBarWindow;
+ friend class MenuButton;
+ friend class MenuFloatingWindow;
+ friend class PopupMenu;
+ friend class SystemWindow;
+ friend struct ImplMenuDelData;
+private:
+ ImplMenuDelData* mpFirstDel;
+ std::unique_ptr<MenuItemList> pItemList; // list with MenuItems
+ VclPtr<Menu> pStartedFrom;
+ VclPtr<vcl::Window> pWindow;
+
+ Link<Menu*, bool> aActivateHdl; // Active-Handler
+ Link<Menu*, bool> aDeactivateHdl; // Deactivate-Handler
+ Link<Menu*, bool> aSelectHdl; // Select-Handler
+
+ std::list<Link<VclMenuEvent&,void> > maEventListeners;
+
+ OUString aTitleText; // PopupMenu text
+ sal_uInt16 nTitleHeight;
+
+ ImplSVEvent* nEventId;
+ sal_uInt16 mnHighlightedItemPos; // for native menus: keeps track of the highlighted item
+ MenuFlags nMenuFlags;
+ sal_uInt16 nSelectedId;
+ OString sSelectedIdent;
+
+ // for output:
+ sal_uInt16 nImgOrChkPos;
+ sal_uInt16 nTextPos;
+
+ bool bCanceled : 1; ///< Terminated during a callback
+ bool bInCallback : 1; ///< In Activate/Deactivate
+ bool bKilled : 1; ///< Killed
+
+ css::uno::Reference<css::accessibility::XAccessible > mxAccessible;
+ mutable std::unique_ptr<vcl::MenuLayoutData> mpLayoutData;
+ std::unique_ptr<SalMenu> mpSalMenu;
+
+protected:
+ SAL_DLLPRIVATE Menu* ImplGetStartMenu();
+ SAL_DLLPRIVATE Menu* ImplFindSelectMenu();
+ SAL_DLLPRIVATE Menu* ImplFindMenu( sal_uInt16 nId );
+ SAL_DLLPRIVATE Size ImplCalcSize( vcl::Window* pWin );
+ SAL_DLLPRIVATE bool ImplIsVisible( sal_uInt16 nPos ) const;
+ SAL_DLLPRIVATE bool ImplCurrentlyHiddenOnGUI(sal_uInt16 nPos) const;
+ SAL_DLLPRIVATE bool ImplIsSelectable( sal_uInt16 nPos ) const;
+ SAL_DLLPRIVATE sal_uInt16 ImplGetVisibleItemCount() const;
+ SAL_DLLPRIVATE sal_uInt16 ImplGetFirstVisible() const;
+ SAL_DLLPRIVATE sal_uInt16 ImplGetPrevVisible( sal_uInt16 nPos ) const;
+ SAL_DLLPRIVATE sal_uInt16 ImplGetNextVisible( sal_uInt16 nPos ) const;
+ SAL_DLLPRIVATE void ImplPaint(vcl::RenderContext& rRenderContext, Size const & rSize,
+ sal_uInt16 nBorder, long nOffY = 0, MenuItemData const * pThisDataOnly = nullptr,
+ bool bHighlighted = false, bool bLayout = false, bool bRollover = false ) const;
+ SAL_DLLPRIVATE void ImplPaintMenuTitle(vcl::RenderContext&, const tools::Rectangle& rRect) const;
+ SAL_DLLPRIVATE void ImplSelect();
+ SAL_DLLPRIVATE void ImplCallHighlight( sal_uInt16 nHighlightItem );
+ SAL_DLLPRIVATE void ImplCallEventListeners( VclEventId nEvent, sal_uInt16 nPos );
+ DECL_DLLPRIVATE_LINK(ImplCallSelect, void*, void );
+
+ SAL_DLLPRIVATE void ImplFillLayoutData() const;
+ SAL_DLLPRIVATE SalMenu* ImplGetSalMenu() { return mpSalMenu.get(); }
+ SAL_DLLPRIVATE OUString ImplGetHelpText( sal_uInt16 nItemId ) const;
+
+ // returns native check and option menu symbol height in rCheckHeight and rRadioHeight
+ // return value is maximum width and height of checkboxes and radiobuttons
+ SAL_DLLPRIVATE Size ImplGetNativeCheckAndRadioSize(vcl::RenderContext const & rRenderContext, long& rCheckHeight, long& rRadioHeight) const;
+
+ // returns native submenu arrow size and spacing from right border
+ // return value is whether it's supported natively
+ SAL_DLLPRIVATE static bool ImplGetNativeSubmenuArrowSize(vcl::RenderContext const & rRenderContext, Size& rArrowSize, long& rArrowSpacing);
+
+ SAL_DLLPRIVATE void ImplAddDel( ImplMenuDelData &rDel );
+ SAL_DLLPRIVATE void ImplRemoveDel( ImplMenuDelData &rDel );
+
+ SAL_DLLPRIVATE MenuItemData* NbcInsertItem(sal_uInt16 nId, MenuItemBits nBits,
+ const OUString& rStr, Menu* pMenu,
+ size_t nPos, const OString &rIdent);
+
+ /// Close the 'pStartedFrom' menu window.
+ virtual void ClosePopup(Menu* pMenu) = 0;
+
+ /// Forward the KeyInput call to the MenuBar.
+ virtual void MenuBarKeyInput(const KeyEvent& rEvent);
+
+public:
+ SAL_DLLPRIVATE void ImplKillLayoutData() const;
+
+ SAL_DLLPRIVATE vcl::Window* ImplGetWindow() const { return pWindow; }
+#if defined(MACOSX)
+ void ImplSelectWithStart( Menu* pStartMenu = nullptr );
+#endif
+
+protected:
+
+ /** The Menu constructor is protected.
+
+ The callers are supposed to instantiate either PopupMenu or MenuBar, but
+ not a Menu directly.
+ */
+ Menu();
+
+public:
+ virtual ~Menu() override;
+ virtual void dispose() override;
+
+ void Activate();
+ void Deactivate();
+ virtual void Select();
+
+ void InsertItem(sal_uInt16 nItemId, const OUString& rStr,
+ MenuItemBits nItemBits = MenuItemBits::NONE,
+ const OString &rIdent = OString(),
+ sal_uInt16 nPos = MENU_APPEND);
+ void InsertItem(sal_uInt16 nItemId, const Image& rImage,
+ MenuItemBits nItemBits = MenuItemBits::NONE,
+ const OString &rIdent = OString(),
+ sal_uInt16 nPos = MENU_APPEND);
+ void InsertItem(sal_uInt16 nItemId,
+ const OUString& rString, const Image& rImage,
+ MenuItemBits nItemBits = MenuItemBits::NONE,
+ const OString &rIdent = OString(),
+ sal_uInt16 nPos = MENU_APPEND);
+ void InsertItem(const OUString& rCommand,
+ const css::uno::Reference<css::frame::XFrame>& rFrame);
+ void InsertSeparator(const OString &rIdent = OString(), sal_uInt16 nPos = MENU_APPEND);
+ void RemoveItem( sal_uInt16 nPos );
+ void Clear();
+
+ void CreateAutoMnemonics();
+
+ void SetMenuFlags( MenuFlags nFlags ) { nMenuFlags = nFlags; }
+ MenuFlags GetMenuFlags() const { return nMenuFlags; }
+
+ sal_uInt16 GetItemCount() const;
+ sal_uInt16 GetItemId(sal_uInt16 nPos) const;
+ sal_uInt16 GetItemId(const OString &rIdent) const;
+ sal_uInt16 GetItemPos( sal_uInt16 nItemId ) const;
+ OString GetItemIdent(sal_uInt16 nItemId) const;
+ MenuItemType GetItemType( sal_uInt16 nPos ) const;
+ sal_uInt16 GetCurItemId() const { return nSelectedId;}
+ OString const & GetCurItemIdent() const { return sSelectedIdent; }
+ void SetItemBits( sal_uInt16 nItemId, MenuItemBits nBits );
+ MenuItemBits GetItemBits( sal_uInt16 nItemId ) const;
+
+ void SetUserValue(sal_uInt16 nItemId, void* nUserValue, MenuUserDataReleaseFunction aFunc=nullptr);
+ void* GetUserValue(sal_uInt16 nItemId) const;
+
+ void SetPopupMenu( sal_uInt16 nItemId, PopupMenu* pMenu );
+ PopupMenu* GetPopupMenu( sal_uInt16 nItemId ) const;
+
+ void SetAccelKey( sal_uInt16 nItemId, const vcl::KeyCode& rKeyCode );
+ vcl::KeyCode GetAccelKey( sal_uInt16 nItemId ) const;
+
+ void CheckItem( sal_uInt16 nItemId, bool bCheck = true );
+ void CheckItem( const OString &rIdent, bool bCheck = true );
+ bool IsItemChecked( sal_uInt16 nItemId ) const;
+
+ virtual void SelectItem(sal_uInt16 nItemId) = 0;
+
+ void EnableItem( sal_uInt16 nItemId, bool bEnable = true );
+ void EnableItem(const OString &rIdent, bool bEnable = true)
+ {
+ EnableItem(GetItemId(rIdent), bEnable);
+ }
+ bool IsItemEnabled( sal_uInt16 nItemId ) const;
+
+ void ShowItem( sal_uInt16 nItemId, bool bVisible = true );
+ void HideItem( sal_uInt16 nItemId ) { ShowItem( nItemId, false ); }
+
+ bool IsItemPosVisible( sal_uInt16 nItemPos ) const;
+ bool IsMenuVisible() const;
+ virtual bool IsMenuBar() const = 0;
+
+ void RemoveDisabledEntries( bool bCheckPopups = true, bool bRemoveEmptyPopups = false );
+
+ void UpdateNativeMenu();
+
+ void SetItemText( sal_uInt16 nItemId, const OUString& rStr );
+ OUString GetItemText( sal_uInt16 nItemId ) const;
+
+ void SetItemImage( sal_uInt16 nItemId, const Image& rImage );
+ Image GetItemImage( sal_uInt16 nItemId ) const;
+
+ void SetItemCommand( sal_uInt16 nItemId, const OUString& rCommand );
+ OUString GetItemCommand( sal_uInt16 nItemId ) const;
+
+ void SetHelpText( sal_uInt16 nItemId, const OUString& rString );
+ OUString GetHelpText( sal_uInt16 nItemId ) const;
+
+ void SetTipHelpText( sal_uInt16 nItemId, const OUString& rString );
+ OUString GetTipHelpText( sal_uInt16 nItemId ) const;
+
+ void SetHelpCommand( sal_uInt16 nItemId, const OUString& rString );
+ OUString GetHelpCommand( sal_uInt16 nItemId ) const;
+
+ void SetHelpId( sal_uInt16 nItemId, const OString& rHelpId );
+ OString GetHelpId( sal_uInt16 nItemId ) const;
+
+ void SetActivateHdl( const Link<Menu *, bool>& rLink )
+ {
+ aActivateHdl = rLink;
+ }
+
+ void SetDeactivateHdl( const Link<Menu *, bool>& rLink )
+ {
+ aDeactivateHdl = rLink;
+ }
+
+ void SetSelectHdl( const Link<Menu*,bool>& rLink )
+ {
+ aSelectHdl = rLink;
+ }
+
+ sal_uInt16 GetTitleHeight() const
+ {
+ return nTitleHeight;
+ }
+
+ void AddEventListener( const Link<VclMenuEvent&,void>& rEventListener );
+ void RemoveEventListener( const Link<VclMenuEvent&,void>& rEventListener );
+
+ Menu& operator =( const Menu& rMenu );
+
+ // for menu functions
+ MenuItemList* GetItemList() const
+ {
+ return pItemList.get();
+ }
+
+ // returns the system's menu handle if native menus are supported
+ // pData must point to a SystemMenuData structure
+ void GetSystemMenuData( SystemMenuData* pData ) const;
+
+ // accessibility helpers
+
+ // returns the bounding box for the character at index nIndex
+ // where nIndex is relative to the starting index of the item
+ // with id nItemId (in coordinates of the displaying window)
+ tools::Rectangle GetCharacterBounds( sal_uInt16 nItemId, long nIndex ) const;
+ // -1 is returned if no character is at that point
+ // if an index is found the corresponding item id is filled in (else 0)
+ long GetIndexForPoint( const Point& rPoint, sal_uInt16& rItemID ) const;
+ // returns the bounding rectangle for an item at pos nItemPos
+ tools::Rectangle GetBoundingRectangle( sal_uInt16 nItemPos ) const;
+
+ css::uno::Reference<css::accessibility::XAccessible> GetAccessible();
+ void SetAccessible(const css::uno::Reference<css::accessibility::XAccessible >& rxAccessible);
+
+ // gets the activation key of the specified item
+ KeyEvent GetActivationKey( sal_uInt16 nItemId ) const;
+
+ vcl::Window* GetWindow() const { return pWindow; }
+
+ OUString GetAccessibleName( sal_uInt16 nItemId ) const;
+
+ // returns whether the item a position nItemPos is highlighted or not.
+ bool IsHighlighted( sal_uInt16 nItemPos ) const;
+
+ void HighlightItem( sal_uInt16 nItemPos );
+ void DeHighlight() { HighlightItem( 0xFFFF ); } // MENUITEMPOS_INVALID
+
+ bool HandleMenuCommandEvent(Menu *pMenu, sal_uInt16 nEventId) const;
+ bool HandleMenuActivateEvent(Menu *pMenu) const;
+ bool HandleMenuDeActivateEvent(Menu *pMenu) const;
+};
+
+class VCL_DLLPUBLIC MenuBar : public Menu
+{
+ Link<void*,void> maCloseHdl;
+ bool mbCloseBtnVisible : 1;
+ bool mbFloatBtnVisible : 1;
+ bool mbHideBtnVisible : 1;
+ bool mbDisplayable : 1;
+
+ friend class Application;
+ friend class Menu;
+ friend class MenuBarWindow;
+ friend class MenuFloatingWindow;
+ friend class SystemWindow;
+
+ SAL_DLLPRIVATE static VclPtr<vcl::Window> ImplCreate(vcl::Window* pParent, vcl::Window* pWindow, MenuBar* pMenu);
+ SAL_DLLPRIVATE static void ImplDestroy(MenuBar* pMenu, bool bDelete);
+ SAL_DLLPRIVATE bool ImplHandleKeyEvent(const KeyEvent& rKEvent);
+ SAL_DLLPRIVATE bool ImplHandleCmdEvent(const CommandEvent& rCEvent);
+
+protected:
+
+ /// Return the MenuBarWindow.
+ MenuBarWindow* getMenuBarWindow();
+
+public:
+ MenuBar();
+ MenuBar( const MenuBar& rMenu );
+ virtual ~MenuBar() override;
+ virtual void dispose() override;
+
+ MenuBar& operator =( const MenuBar& rMenu );
+
+ virtual bool IsMenuBar() const override { return true; }
+
+ /// Close the 'pStartedFrom' menu window.
+ virtual void ClosePopup(Menu* pMenu) override;
+
+ /// Forward the KeyInput call to the MenuBar.
+ virtual void MenuBarKeyInput(const KeyEvent& rEvent) override;
+
+ void ShowCloseButton( bool bShow );
+ bool HasCloseButton() const { return mbCloseBtnVisible; }
+ bool HasFloatButton() const { return mbFloatBtnVisible; }
+ bool HasHideButton() const { return mbHideBtnVisible; }
+ void ShowButtons( bool bClose, bool bFloat, bool bHide );
+
+ virtual void SelectItem(sal_uInt16 nId) override;
+ bool HandleMenuHighlightEvent(Menu *pMenu, sal_uInt16 nEventId) const;
+ bool HandleMenuButtonEvent(sal_uInt16 nEventId);
+
+ void SetCloseButtonClickHdl( const Link<void*,void>& rLink ) { maCloseHdl = rLink; }
+ const Link<void*,void>& GetCloseButtonClickHdl() const { return maCloseHdl; }
+
+ // - by default a menubar is displayable
+ // - if a menubar is not displayable, its MenuBarWindow will never be shown
+ // and it will be hidden if it was visible before
+ // - note: if a menubar is displayable, this does not necessarily mean that it is currently visible
+ void SetDisplayable( bool bDisplayable );
+ bool IsDisplayable() const { return mbDisplayable; }
+
+ struct MenuBarButtonCallbackArg
+ {
+ sal_uInt16 nId; // Id of the button
+ bool bHighlight; // highlight on/off
+ };
+ // add an arbitrary button to the menubar (will appear next to closer)
+ // passed link will be call with a MenuBarButtonCallbackArg on press
+ // passed string will be set as tooltip
+ sal_uInt16 AddMenuBarButton( const Image&, const Link<MenuBar::MenuBarButtonCallbackArg&,bool>&, const OUString& );
+ // set the highlight link for additional button with ID nId
+ // highlight link will be called with a MenuBarButtonHighlightArg
+ // the bHighlight member of that struct shall contain the new state
+ void SetMenuBarButtonHighlightHdl( sal_uInt16 nId, const Link<MenuBar::MenuBarButtonCallbackArg&,bool>& );
+ // returns the rectangle occupied by the additional button named nId
+ // coordinates are relative to the systemwindow the menubar is attached to
+ // if the menubar is unattached an empty rectangle is returned
+ tools::Rectangle GetMenuBarButtonRectPixel( sal_uInt16 nId );
+ void RemoveMenuBarButton( sal_uInt16 nId );
+ void LayoutChanged();
+ // get the height of the menubar, return the native menubar height if that is active or the vcl
+ // one if not
+ int GetMenuBarHeight() const;
+};
+
+inline MenuBar& MenuBar::operator=( const MenuBar& rMenu )
+{
+ Menu::operator=(rMenu);
+ return *this;
+}
+
+class VCL_DLLPUBLIC PopupMenu : public Menu
+{
+ friend class Menu;
+ friend class MenuFloatingWindow;
+ friend class MenuBarWindow;
+ friend struct MenuItemData;
+
+private:
+ const vcl::ILibreOfficeKitNotifier* mpLOKNotifier; ///< To emit the LOK callbacks eg. for dialog tunneling.
+
+ SAL_DLLPRIVATE MenuFloatingWindow * ImplGetFloatingWindow() const;
+
+protected:
+ SAL_DLLPRIVATE sal_uInt16 ImplExecute( const VclPtr<vcl::Window>& pW, const tools::Rectangle& rRect, FloatWinPopupFlags nPopupModeFlags, Menu* pSFrom, bool bPreSelectFirst );
+ SAL_DLLPRIVATE void ImplFlushPendingSelect();
+ SAL_DLLPRIVATE long ImplCalcHeight( sal_uInt16 nEntries ) const;
+ SAL_DLLPRIVATE sal_uInt16 ImplCalcVisEntries( long nMaxHeight, sal_uInt16 nStartEntry, sal_uInt16* pLastVisible = nullptr ) const;
+
+public:
+ PopupMenu();
+ PopupMenu( const PopupMenu& rMenu );
+ virtual ~PopupMenu() override;
+
+ virtual bool IsMenuBar() const override { return false; }
+
+ /// Close the 'pStartedFrom' menu window.
+ virtual void ClosePopup(Menu* pMenu) override;
+
+ void SetText( const OUString& rTitle )
+ {
+ aTitleText = rTitle;
+ }
+
+ sal_uInt16 Execute( vcl::Window* pWindow, const Point& rPopupPos );
+ sal_uInt16 Execute( vcl::Window* pWindow, const tools::Rectangle& rRect, PopupMenuFlags nFlags = PopupMenuFlags::NONE );
+
+ // for the TestTool
+ void EndExecute();
+ virtual void SelectItem(sal_uInt16 nId) override;
+ void SetSelectedEntry( sal_uInt16 nId ); // for use by native submenu only
+
+ static bool IsInExecute();
+ static PopupMenu* GetActivePopupMenu();
+
+ /// Interface to register for dialog / window tunneling.
+ void SetLOKNotifier(const vcl::ILibreOfficeKitNotifier* pNotifier)
+ {
+ mpLOKNotifier = pNotifier;
+ }
+
+ PopupMenu& operator=( const PopupMenu& rMenu );
+};
+
+inline PopupMenu& PopupMenu::operator=( const PopupMenu& rMenu )
+{
+ Menu::operator=( rMenu );
+ return *this;
+}
+
+#endif // INCLUDED_VCL_MENU_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */