/* -*- 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 #include #include #include #include #include #include #include #include #include #include #include struct ImplSVEvent; struct MenuItemData; class Point; class Size; namespace tools { class Rectangle; } class Menu; class MenuItemList; class HelpEvent; class Image; class PopupMenu; class KeyEvent; class CommandEvent; class MenuFloatingWindow; class SalMenu; class MenuBarWindow; struct SystemMenuData; enum class FloatWinPopupFlags; namespace com { namespace sun { namespace star { namespace accessibility { class XAccessible; }}}} namespace vcl { class Window; struct MenuLayoutData; typedef OutputDevice RenderContext; // same as in include/vcl/outdev.hxx } #define MENU_APPEND (sal_uInt16(0xFFFF)) #define MENU_ITEM_NOTFOUND (sal_uInt16(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 : is_typed_flags {}; } 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 : is_typed_flags {}; } /// Invalid menu item id #define ITEMPOS_INVALID 0xFFFF struct ImplMenuDelData { ImplMenuDelData* mpNext; VclPtr 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 pItemList; // list with MenuItems VclPtr pStartedFrom; VclPtr pWindow; Link aActivateHdl; // Active-Handler Link aDeactivateHdl; // Deactivate-Handler Link aSelectHdl; // Select-Handler std::list > 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; // 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 mxAccessible; mutable vcl::MenuLayoutData* mpLayoutData; 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; } SAL_DLLPRIVATE void ImplClearSalMenu(); 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& 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 GetCurItemIdent() const; 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 ); 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& rLink ) { aActivateHdl = rLink; } void SetDeactivateHdl( const Link& rLink ) { aDeactivateHdl = rLink; } void SetSelectHdl( const Link& rLink ) { aSelectHdl = rLink; } sal_uInt16 GetTitleHeight() const { return nTitleHeight; } void AddEventListener( const Link& rEventListener ); void RemoveEventListener( const Link& 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 GetAccessible(); void SetAccessible(const css::uno::Reference& 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 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 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& rLink ) { maCloseHdl = rLink; } const Link& 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 VclPtr pMenuBar; // menubar the button belongs to }; // 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&, 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& ); // 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(); }; 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: SAL_DLLPRIVATE MenuFloatingWindow * ImplGetFloatingWindow() const; protected: SAL_DLLPRIVATE sal_uInt16 ImplExecute( const VclPtr& 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(); 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: */