vcl: 'horizontically'
[LibreOffice.git] / include / vcl / menu.hxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
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6 * License, v. 2.0. If a copy of the MPL was not distributed with this
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9 * This file incorporates work covered by the following license notice:
11 * Licensed to the Apache Software Foundation (ASF) under one or more
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14 * ownership. The ASF licenses this file to you under the Apache
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17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
20 #ifndef INCLUDED_VCL_MENU_HXX
21 #define INCLUDED_VCL_MENU_HXX
23 #include <memory>
24 #include <string_view>
26 #include <vcl/vclenum.hxx>
27 #include <tools/link.hxx>
28 #include <tools/long.hxx>
29 #include <vcl/dllapi.h>
30 #include <vcl/keycod.hxx>
31 #include <vcl/vclreferencebase.hxx>
32 #include <vcl/vclevent.hxx>
33 #include <com/sun/star/uno/Reference.hxx>
34 #include <o3tl/typed_flags_set.hxx>
35 #include <list>
37 class OutputDevice;
38 struct ImplSVEvent;
39 struct MenuItemData;
40 class Point;
41 class Size;
42 namespace tools { class Rectangle; }
43 class Menu;
44 class MenuItemList;
45 class Image;
46 class PopupMenu;
47 class KeyEvent;
48 class CommandEvent;
49 class MenuFloatingWindow;
50 class SalMenu;
51 class MenuBarWindow;
52 struct SystemMenuData;
53 enum class FloatWinPopupFlags;
55 namespace com::sun::star::awt { class XPopupMenu; }
56 namespace com::sun::star::accessibility { class XAccessible; }
57 namespace com::sun::star::frame { class XFrame; }
59 namespace vcl
61 class Window;
62 struct MenuLayoutData;
63 typedef OutputDevice RenderContext; // same as in include/vcl/outdev.hxx
64 class ILibreOfficeKitNotifier;
67 constexpr sal_uInt16 MENU_APPEND = 0xFFFF;
68 constexpr sal_uInt16 MENU_ITEM_NOTFOUND = 0xFFFF;
70 // Must match the definitions in css::awt::PopupMenuDirection.idl
71 enum class PopupMenuFlags
73 NONE = 0x0000,
74 ExecuteDown = 0x0001,
75 ExecuteUp = 0x0002,
76 ExecuteRight = 0x0008,
77 NoMouseUpClose = 0x0010,
78 //If there isn't enough space to put the menu where it wants
79 //to go, then they will be autoplaced. Toggle this bit
80 //on to force menus to be placed either above or below
81 //the starting rectangle and shrunk to fit and then scroll rather than place
82 //the menu beside that rectangle
83 NoHorzPlacement = 0x0020,
86 namespace o3tl
88 template<> struct typed_flags<PopupMenuFlags> : is_typed_flags<PopupMenuFlags, 0x003b> {};
91 enum class MenuFlags
93 NONE = 0x0000,
94 NoAutoMnemonics = 0x0001,
95 HideDisabledEntries = 0x0002,
96 // overrides default hiding of disabled entries in popup menus
97 AlwaysShowDisabledEntries = 0x0004,
100 namespace o3tl
102 template<> struct typed_flags<MenuFlags> : is_typed_flags<MenuFlags, 0x0007> {};
105 /// Invalid menu item id
106 constexpr auto ITEMPOS_INVALID = 0xFFFF;
108 struct ImplMenuDelData
110 ImplMenuDelData* mpNext;
111 VclPtr<const Menu> mpMenu;
113 explicit ImplMenuDelData( const Menu* );
114 ~ImplMenuDelData();
116 bool isDeleted() const { return mpMenu == nullptr; }
119 typedef void (*MenuUserDataReleaseFunction)(void*);
121 class VCL_DLLPUBLIC Menu : public VclReferenceBase
123 friend class MenuBar;
124 friend class MenuBarWindow;
125 friend class MenuButton;
126 friend class MenuFloatingWindow;
127 friend class PopupMenu;
128 friend class SystemWindow;
129 friend struct ImplMenuDelData;
130 private:
131 ImplMenuDelData* mpFirstDel;
132 std::unique_ptr<MenuItemList> pItemList; // list with MenuItems
133 VclPtr<Menu> pStartedFrom;
134 VclPtr<vcl::Window> pWindow;
136 Link<Menu*, bool> aActivateHdl; // Active-Handler
137 Link<Menu*, bool> aDeactivateHdl; // Deactivate-Handler
138 Link<Menu*, bool> aSelectHdl; // Select-Handler
140 std::list<Link<VclMenuEvent&,void> > maEventListeners;
142 OUString maID;
144 OUString aTitleText; // PopupMenu text
145 sal_uInt16 nTitleHeight;
147 ImplSVEvent* nEventId;
148 sal_uInt16 mnHighlightedItemPos; // for native menus: keeps track of the highlighted item
149 MenuFlags nMenuFlags;
150 sal_uInt16 nSelectedId;
151 OString sSelectedIdent;
153 // for output:
154 sal_uInt16 nImgOrChkPos;
155 sal_uInt16 nTextPos;
157 bool bCanceled : 1; ///< Terminated during a callback
158 bool bInCallback : 1; ///< In Activate/Deactivate
159 bool bKilled : 1; ///< Killed
161 css::uno::Reference<css::accessibility::XAccessible > mxAccessible;
162 mutable std::unique_ptr<vcl::MenuLayoutData> mpLayoutData;
163 std::unique_ptr<SalMenu> mpSalMenu;
165 protected:
166 SAL_DLLPRIVATE Menu* ImplGetStartMenu();
167 SAL_DLLPRIVATE Menu* ImplFindSelectMenu();
168 SAL_DLLPRIVATE Menu* ImplFindMenu( sal_uInt16 nId );
169 SAL_DLLPRIVATE Size ImplCalcSize( vcl::Window* pWin );
170 SAL_DLLPRIVATE bool ImplIsVisible( sal_uInt16 nPos ) const;
171 SAL_DLLPRIVATE bool ImplCurrentlyHiddenOnGUI(sal_uInt16 nPos) const;
172 SAL_DLLPRIVATE bool ImplIsSelectable( sal_uInt16 nPos ) const;
173 SAL_DLLPRIVATE sal_uInt16 ImplGetVisibleItemCount() const;
174 SAL_DLLPRIVATE sal_uInt16 ImplGetFirstVisible() const;
175 SAL_DLLPRIVATE sal_uInt16 ImplGetPrevVisible( sal_uInt16 nPos ) const;
176 SAL_DLLPRIVATE sal_uInt16 ImplGetNextVisible( sal_uInt16 nPos ) const;
177 SAL_DLLPRIVATE void ImplPaint(vcl::RenderContext& rRenderContext, Size const & rSize,
178 sal_uInt16 nBorder, tools::Long nOffY = 0, MenuItemData const * pThisDataOnly = nullptr,
179 bool bHighlighted = false, bool bLayout = false, bool bRollover = false ) const;
180 SAL_DLLPRIVATE void ImplPaintMenuTitle(vcl::RenderContext&, const tools::Rectangle& rRect) const;
181 SAL_DLLPRIVATE void ImplSelect();
182 SAL_DLLPRIVATE void ImplCallHighlight( sal_uInt16 nHighlightItem );
183 SAL_DLLPRIVATE void ImplCallEventListeners( VclEventId nEvent, sal_uInt16 nPos );
184 DECL_DLLPRIVATE_LINK(ImplCallSelect, void*, void );
186 SAL_DLLPRIVATE void ImplFillLayoutData() const;
187 SAL_DLLPRIVATE SalMenu* ImplGetSalMenu() { return mpSalMenu.get(); }
188 SAL_DLLPRIVATE OUString ImplGetHelpText( sal_uInt16 nItemId ) const;
190 // returns native check and option menu symbol height in rCheckHeight and rRadioHeight
191 // return value is maximum width and height of checkboxes and radiobuttons
192 SAL_DLLPRIVATE Size ImplGetNativeCheckAndRadioSize(vcl::RenderContext const & rRenderContext, tools::Long& rCheckHeight, tools::Long& rRadioHeight) const;
194 // returns native submenu arrow size and spacing from right border
195 // return value is whether it's supported natively
196 SAL_DLLPRIVATE static bool ImplGetNativeSubmenuArrowSize(vcl::RenderContext const & rRenderContext, Size& rArrowSize, tools::Long& rArrowSpacing);
198 SAL_DLLPRIVATE void ImplAddDel( ImplMenuDelData &rDel );
199 SAL_DLLPRIVATE void ImplRemoveDel( ImplMenuDelData &rDel );
201 SAL_DLLPRIVATE MenuItemData* NbcInsertItem(sal_uInt16 nId, MenuItemBits nBits,
202 const OUString& rStr, Menu* pMenu,
203 size_t nPos, const OString &rIdent);
205 /// Close the 'pStartedFrom' menu window.
206 virtual void ClosePopup(Menu* pMenu) = 0;
208 /// Forward the KeyInput call to the MenuBar.
209 virtual void MenuBarKeyInput(const KeyEvent& rEvent);
211 public:
212 SAL_DLLPRIVATE void ImplKillLayoutData() const;
214 SAL_DLLPRIVATE vcl::Window* ImplGetWindow() const { return pWindow; }
215 #if defined(MACOSX)
216 void ImplSelectWithStart( Menu* pStartMenu = nullptr );
217 #endif
219 protected:
221 /** The Menu constructor is protected.
223 The callers are supposed to instantiate either PopupMenu or MenuBar, but
224 not a Menu directly.
226 Menu();
228 public:
229 virtual ~Menu() override;
230 virtual void dispose() override;
232 void Activate();
233 void Deactivate();
234 virtual void Select();
236 void InsertItem(sal_uInt16 nItemId, const OUString& rStr,
237 MenuItemBits nItemBits = MenuItemBits::NONE,
238 const OString &rIdent = OString(),
239 sal_uInt16 nPos = MENU_APPEND);
240 void InsertItem(sal_uInt16 nItemId, const Image& rImage,
241 MenuItemBits nItemBits = MenuItemBits::NONE,
242 const OString &rIdent = OString(),
243 sal_uInt16 nPos = MENU_APPEND);
244 void InsertItem(sal_uInt16 nItemId,
245 const OUString& rString, const Image& rImage,
246 MenuItemBits nItemBits = MenuItemBits::NONE,
247 const OString &rIdent = OString(),
248 sal_uInt16 nPos = MENU_APPEND);
249 void InsertItem(const OUString& rCommand,
250 const css::uno::Reference<css::frame::XFrame>& rFrame);
251 void InsertSeparator(const OString &rIdent = OString(), sal_uInt16 nPos = MENU_APPEND);
252 void RemoveItem( sal_uInt16 nPos );
253 void Clear();
255 void CreateAutoMnemonics();
257 void SetMenuFlags( MenuFlags nFlags ) { nMenuFlags = nFlags; }
258 MenuFlags GetMenuFlags() const { return nMenuFlags; }
260 sal_uInt16 GetItemCount() const;
261 sal_uInt16 GetItemId(sal_uInt16 nPos) const;
262 sal_uInt16 GetItemId(std::string_view rIdent) const;
263 sal_uInt16 GetItemPos( sal_uInt16 nItemId ) const;
264 OString GetItemIdent(sal_uInt16 nItemId) const;
265 MenuItemType GetItemType( sal_uInt16 nPos ) const;
266 sal_uInt16 GetCurItemId() const { return nSelectedId;}
267 OString const & GetCurItemIdent() const { return sSelectedIdent; }
268 void SetItemBits( sal_uInt16 nItemId, MenuItemBits nBits );
269 MenuItemBits GetItemBits( sal_uInt16 nItemId ) const;
271 void SetUserValue(sal_uInt16 nItemId, void* nUserValue, MenuUserDataReleaseFunction aFunc=nullptr);
272 void* GetUserValue(sal_uInt16 nItemId) const;
274 void SetPopupMenu( sal_uInt16 nItemId, PopupMenu* pMenu );
275 PopupMenu* GetPopupMenu( sal_uInt16 nItemId ) const;
277 void SetAccelKey( sal_uInt16 nItemId, const vcl::KeyCode& rKeyCode );
278 vcl::KeyCode GetAccelKey( sal_uInt16 nItemId ) const;
280 void CheckItem( sal_uInt16 nItemId, bool bCheck = true );
281 void CheckItem( std::string_view rIdent, bool bCheck = true );
282 bool IsItemChecked( sal_uInt16 nItemId ) const;
284 virtual void SelectItem(sal_uInt16 nItemId) = 0;
286 void EnableItem( sal_uInt16 nItemId, bool bEnable = true );
287 void EnableItem(std::string_view rIdent, bool bEnable = true)
289 EnableItem(GetItemId(rIdent), bEnable);
291 bool IsItemEnabled( sal_uInt16 nItemId ) const;
293 void ShowItem( sal_uInt16 nItemId, bool bVisible = true );
294 void HideItem( sal_uInt16 nItemId ) { ShowItem( nItemId, false ); }
296 bool IsItemPosVisible( sal_uInt16 nItemPos ) const;
297 bool IsMenuVisible() const;
298 virtual bool IsMenuBar() const = 0;
300 void RemoveDisabledEntries( bool bCheckPopups = true, bool bRemoveEmptyPopups = false );
302 void UpdateNativeMenu();
304 void SetItemText( sal_uInt16 nItemId, const OUString& rStr );
305 OUString GetItemText( sal_uInt16 nItemId ) const;
307 void SetItemImage( sal_uInt16 nItemId, const Image& rImage );
308 Image GetItemImage( sal_uInt16 nItemId ) const;
310 void SetItemCommand( sal_uInt16 nItemId, const OUString& rCommand );
311 OUString GetItemCommand( sal_uInt16 nItemId ) const;
313 void SetHelpText( sal_uInt16 nItemId, const OUString& rString );
314 OUString GetHelpText( sal_uInt16 nItemId ) const;
316 void SetTipHelpText( sal_uInt16 nItemId, const OUString& rString );
317 OUString GetTipHelpText( sal_uInt16 nItemId ) const;
319 void SetHelpCommand( sal_uInt16 nItemId, const OUString& rString );
320 OUString GetHelpCommand( sal_uInt16 nItemId ) const;
322 void SetHelpId( sal_uInt16 nItemId, const OString& rHelpId );
323 OString GetHelpId( sal_uInt16 nItemId ) const;
325 void SetActivateHdl( const Link<Menu *, bool>& rLink )
327 aActivateHdl = rLink;
330 void SetDeactivateHdl( const Link<Menu *, bool>& rLink )
332 aDeactivateHdl = rLink;
335 void SetSelectHdl( const Link<Menu*,bool>& rLink )
337 aSelectHdl = rLink;
340 sal_uInt16 GetTitleHeight() const
342 return nTitleHeight;
345 void AddEventListener( const Link<VclMenuEvent&,void>& rEventListener );
346 void RemoveEventListener( const Link<VclMenuEvent&,void>& rEventListener );
348 Menu& operator =( const Menu& rMenu );
350 // for menu functions
351 MenuItemList* GetItemList() const
353 return pItemList.get();
356 // returns the system's menu handle if native menus are supported
357 // pData must point to a SystemMenuData structure
358 void GetSystemMenuData( SystemMenuData* pData ) const;
360 // accessibility helpers
362 // returns the bounding box for the character at index nIndex
363 // where nIndex is relative to the starting index of the item
364 // with id nItemId (in coordinates of the displaying window)
365 tools::Rectangle GetCharacterBounds( sal_uInt16 nItemId, tools::Long nIndex ) const;
366 // -1 is returned if no character is at that point
367 // if an index is found the corresponding item id is filled in (else 0)
368 tools::Long GetIndexForPoint( const Point& rPoint, sal_uInt16& rItemID ) const;
369 // returns the bounding rectangle for an item at pos nItemPos
370 tools::Rectangle GetBoundingRectangle( sal_uInt16 nItemPos ) const;
372 css::uno::Reference<css::accessibility::XAccessible> GetAccessible();
373 void SetAccessible(const css::uno::Reference<css::accessibility::XAccessible >& rxAccessible);
375 // gets the activation key of the specified item
376 KeyEvent GetActivationKey( sal_uInt16 nItemId ) const;
378 vcl::Window* GetWindow() const { return pWindow; }
380 void SetAccessibleName( sal_uInt16 nItemId, const OUString& rStr );
381 OUString GetAccessibleName( sal_uInt16 nItemId ) const;
383 void SetAccessibleDescription( sal_uInt16 nItemId, const OUString& rStr );
384 OUString GetAccessibleDescription( sal_uInt16 nItemId ) const;
386 // returns whether the item a position nItemPos is highlighted or not.
387 bool IsHighlighted( sal_uInt16 nItemPos ) const;
389 void HighlightItem( sal_uInt16 nItemPos );
390 void DeHighlight() { HighlightItem( 0xFFFF ); } // MENUITEMPOS_INVALID
392 bool HandleMenuCommandEvent(Menu *pMenu, sal_uInt16 nEventId) const;
393 bool HandleMenuActivateEvent(Menu *pMenu) const;
394 bool HandleMenuDeActivateEvent(Menu *pMenu) const;
397 * Sets an ID.
399 void set_id(const OUString& rID) { maID = rID; }
402 * Get the ID of the window.
404 const OUString& get_id() const { return maID; }
407 class VCL_DLLPUBLIC MenuBar : public Menu
409 Link<void*,void> maCloseHdl;
410 bool mbCloseBtnVisible : 1;
411 bool mbFloatBtnVisible : 1;
412 bool mbHideBtnVisible : 1;
413 bool mbDisplayable : 1;
415 friend class Application;
416 friend class Menu;
417 friend class MenuBarWindow;
418 friend class MenuFloatingWindow;
419 friend class SystemWindow;
421 SAL_DLLPRIVATE static VclPtr<vcl::Window> ImplCreate(vcl::Window* pParent, vcl::Window* pWindow, MenuBar* pMenu);
422 SAL_DLLPRIVATE static void ImplDestroy(MenuBar* pMenu, bool bDelete);
423 SAL_DLLPRIVATE bool ImplHandleKeyEvent(const KeyEvent& rKEvent);
424 SAL_DLLPRIVATE bool ImplHandleCmdEvent(const CommandEvent& rCEvent);
426 protected:
428 /// Return the MenuBarWindow.
429 MenuBarWindow* getMenuBarWindow();
431 public:
432 MenuBar();
433 MenuBar( const MenuBar& rMenu );
434 virtual ~MenuBar() override;
435 virtual void dispose() override;
437 MenuBar& operator =( const MenuBar& rMenu );
439 virtual bool IsMenuBar() const override { return true; }
441 /// Close the 'pStartedFrom' menu window.
442 virtual void ClosePopup(Menu* pMenu) override;
444 /// Forward the KeyInput call to the MenuBar.
445 virtual void MenuBarKeyInput(const KeyEvent& rEvent) override;
447 void ShowCloseButton( bool bShow );
448 bool HasCloseButton() const { return mbCloseBtnVisible; }
449 bool HasFloatButton() const { return mbFloatBtnVisible; }
450 bool HasHideButton() const { return mbHideBtnVisible; }
451 void ShowButtons( bool bClose, bool bFloat, bool bHide );
453 virtual void SelectItem(sal_uInt16 nId) override;
454 bool HandleMenuHighlightEvent(Menu *pMenu, sal_uInt16 nEventId) const;
455 bool HandleMenuButtonEvent(sal_uInt16 nEventId);
457 void SetCloseButtonClickHdl( const Link<void*,void>& rLink ) { maCloseHdl = rLink; }
458 const Link<void*,void>& GetCloseButtonClickHdl() const { return maCloseHdl; }
460 // - by default a menubar is displayable
461 // - if a menubar is not displayable, its MenuBarWindow will never be shown
462 // and it will be hidden if it was visible before
463 // - note: if a menubar is displayable, this does not necessarily mean that it is currently visible
464 void SetDisplayable( bool bDisplayable );
465 bool IsDisplayable() const { return mbDisplayable; }
467 struct MenuBarButtonCallbackArg
469 sal_uInt16 nId; // Id of the button
470 bool bHighlight; // highlight on/off
472 // add an arbitrary button to the menubar (will appear next to closer)
473 // passed link will be call with a MenuBarButtonCallbackArg on press
474 // passed string will be set as tooltip
475 sal_uInt16 AddMenuBarButton( const Image&, const Link<MenuBar::MenuBarButtonCallbackArg&,bool>&, const OUString& );
476 // set the highlight link for additional button with ID nId
477 // highlight link will be called with a MenuBarButtonHighlightArg
478 // the bHighlight member of that struct shall contain the new state
479 void SetMenuBarButtonHighlightHdl( sal_uInt16 nId, const Link<MenuBar::MenuBarButtonCallbackArg&,bool>& );
480 // returns the rectangle occupied by the additional button named nId
481 // coordinates are relative to the systemwindow the menubar is attached to
482 // if the menubar is unattached an empty rectangle is returned
483 tools::Rectangle GetMenuBarButtonRectPixel( sal_uInt16 nId );
484 void RemoveMenuBarButton( sal_uInt16 nId );
485 void LayoutChanged();
486 // get the height of the menubar, return the native menubar height if that is active or the vcl
487 // one if not
488 int GetMenuBarHeight() const;
491 inline MenuBar& MenuBar::operator=( const MenuBar& rMenu )
493 Menu::operator=(rMenu);
494 return *this;
497 class VCL_DLLPUBLIC PopupMenu : public Menu
499 friend class Menu;
500 friend class MenuFloatingWindow;
501 friend class MenuBarWindow;
502 friend struct MenuItemData;
504 private:
505 SAL_DLLPRIVATE MenuFloatingWindow * ImplGetFloatingWindow() const;
507 protected:
508 SAL_DLLPRIVATE sal_uInt16 ImplExecute( const VclPtr<vcl::Window>& pW, const tools::Rectangle& rRect, FloatWinPopupFlags nPopupModeFlags, Menu* pSFrom, bool bPreSelectFirst );
509 SAL_DLLPRIVATE void ImplFlushPendingSelect();
510 SAL_DLLPRIVATE tools::Long ImplCalcHeight( sal_uInt16 nEntries ) const;
511 SAL_DLLPRIVATE sal_uInt16 ImplCalcVisEntries( tools::Long nMaxHeight, sal_uInt16 nStartEntry, sal_uInt16* pLastVisible = nullptr ) const;
513 public:
514 PopupMenu();
515 PopupMenu( const PopupMenu& rMenu );
516 virtual ~PopupMenu() override;
518 virtual bool IsMenuBar() const override { return false; }
520 /// Close the 'pStartedFrom' menu window.
521 virtual void ClosePopup(Menu* pMenu) override;
523 void SetText( const OUString& rTitle )
525 aTitleText = rTitle;
528 sal_uInt16 Execute( vcl::Window* pWindow, const Point& rPopupPos );
529 sal_uInt16 Execute( vcl::Window* pWindow, const tools::Rectangle& rRect, PopupMenuFlags nFlags = PopupMenuFlags::NONE );
531 // for the TestTool
532 void EndExecute();
533 virtual void SelectItem(sal_uInt16 nId) override;
534 void SetSelectedEntry( sal_uInt16 nId ); // for use by native submenu only
536 css::uno::Reference<css::awt::XPopupMenu> CreateMenuInterface();
538 static bool IsInExecute();
539 static PopupMenu* GetActivePopupMenu();
541 PopupMenu& operator=( const PopupMenu& rMenu );
544 inline PopupMenu& PopupMenu::operator=( const PopupMenu& rMenu )
546 Menu::operator=( rMenu );
547 return *this;
550 #endif // INCLUDED_VCL_MENU_HXX
552 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */