125 lines
3.4 KiB
C++
125 lines
3.4 KiB
C++
/*******************************************************************************
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/
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/ File: MenuItem.h
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/
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/ Description: BMenuItem represents a single item in a BMenu.
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/ BSeparatorItem is a cosmetic menu item that demarcates
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/ groups of other items.
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/
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/ Copyright 1994-98, Be Incorporated, All Rights Reserved
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/
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*******************************************************************************/
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#ifndef _MENU_ITEM_H
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#define _MENU_ITEM_H
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#include <BeBuild.h>
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#include <InterfaceDefs.h>
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#include <Archivable.h>
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#include <Invoker.h>
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#include <Menu.h> /* For convenience */
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class BMessage;
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class BWindow;
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/*----------------------------------------------------------------*/
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/*----- BMenuItem class ------------------------------------------*/
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class BMenuItem : public BArchivable, public BInvoker {
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public:
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BMenuItem( const char *label,
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BMessage *message,
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char shortcut = 0,
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uint32 modifiers = 0);
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BMenuItem(BMenu *menu, BMessage *message = NULL);
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BMenuItem(BMessage *data);
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virtual ~BMenuItem();
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static BArchivable *Instantiate(BMessage *data);
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virtual status_t Archive(BMessage *data, bool deep = true) const;
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virtual void SetLabel(const char *name);
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virtual void SetEnabled(bool state);
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virtual void SetMarked(bool state);
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virtual void SetTrigger(char ch);
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virtual void SetShortcut(char ch, uint32 modifiers);
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const char *Label() const;
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bool IsEnabled() const;
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bool IsMarked() const;
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char Trigger() const;
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char Shortcut(uint32 *modifiers = NULL) const;
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BMenu *Submenu() const;
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BMenu *Menu() const;
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BRect Frame() const;
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protected:
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virtual void GetContentSize(float *width, float *height);
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virtual void TruncateLabel(float max, char *new_label);
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virtual void DrawContent();
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virtual void Draw();
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virtual void Highlight(bool on);
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bool IsSelected() const;
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BPoint ContentLocation() const;
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/*----- Private or reserved -----------------------------------------*/
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private:
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friend class BMenu;
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friend class BPopUpMenu;
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friend class BMenuBar;
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virtual void _ReservedMenuItem1();
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virtual void _ReservedMenuItem2();
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virtual void _ReservedMenuItem3();
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virtual void _ReservedMenuItem4();
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BMenuItem(const BMenuItem &);
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BMenuItem &operator=(const BMenuItem &);
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void InitData();
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void InitMenuData(BMenu *menu);
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void Install(BWindow *window);
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/*----- Protected function -----------------------------------------*/
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protected:
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virtual status_t Invoke(BMessage *msg = NULL);
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/*----- Private or reserved -----------------------------------------*/
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private:
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void Uninstall();
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void SetSuper(BMenu *super);
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void Select(bool on);
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void DrawMarkSymbol();
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void DrawShortcutSymbol();
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void DrawSubmenuSymbol();
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void DrawControlChar(const char *control);
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void SetSysTrigger(char ch);
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char *fLabel;
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BMenu *fSubmenu;
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BWindow *fWindow;
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BMenu *fSuper;
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BRect fBounds;
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uint32 fModifiers;
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float fCachedWidth;
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int16 fTriggerIndex;
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char fUserTrigger;
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char fSysTrigger;
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char fShortcutChar;
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bool fMark;
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bool fEnabled;
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bool fSelected;
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uint32 _reserved[4];
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};
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/*-------------------------------------------------------------*/
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/*-------------------------------------------------------------*/
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// We moved BSeparatorItem's declaration to its own file, but for source
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// compatibility we have to export that class from here too.
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#include <SeparatorItem.h>
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#endif /* _MENU_ITEM_H */
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