1 /* 2 * Copyright 2006-2011, Haiku, Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _MENU_FIELD_H 6 #define _MENU_FIELD_H 7 8 9 #include <Menu.h> 10 11 12 class BMenuBar; 13 14 15 class BMenuField : public BView { 16 public: 17 BMenuField(BRect frame, const char* name, 18 const char* label, BMenu* menu, 19 uint32 resizingMode = B_FOLLOW_LEFT 20 | B_FOLLOW_TOP, 21 uint32 flags = B_WILL_DRAW | B_NAVIGABLE); 22 BMenuField(BRect frame, const char* name, 23 const char* label, BMenu* menu, 24 bool fixed_size, 25 uint32 resizingMode = B_FOLLOW_LEFT 26 | B_FOLLOW_TOP, 27 uint32 flags = B_WILL_DRAW | B_NAVIGABLE); 28 BMenuField(const char* name, 29 const char* label, BMenu* menu, 30 uint32 flags = B_WILL_DRAW | B_NAVIGABLE); 31 BMenuField(const char* label, BMenu* menu, 32 uint32 flags = B_WILL_DRAW | B_NAVIGABLE); 33 BMenuField(BMessage* data); 34 virtual ~BMenuField(); 35 36 static BArchivable* Instantiate(BMessage* archive); 37 virtual status_t Archive(BMessage* archive, 38 bool deep = true) const; 39 40 virtual void Draw(BRect updateRect); 41 virtual void AttachedToWindow(); 42 virtual void AllAttached(); 43 virtual void MouseDown(BPoint where); 44 virtual void KeyDown(const char* bytes, int32 numBytes); 45 virtual void MakeFocus(bool state); 46 virtual void MessageReceived(BMessage* message); 47 virtual void WindowActivated(bool state); 48 virtual void MouseUp(BPoint where); 49 virtual void MouseMoved(BPoint where, uint32 transit, 50 const BMessage* dragMessage); 51 virtual void DetachedFromWindow(); 52 virtual void AllDetached(); 53 virtual void FrameMoved(BPoint where); 54 virtual void FrameResized(float width, float height); 55 56 BMenu* Menu() const; 57 BMenuBar* MenuBar() const; 58 BMenuItem* MenuItem() const; 59 60 virtual void SetLabel(const char* label); 61 const char* Label() const; 62 63 virtual void SetEnabled(bool on); 64 bool IsEnabled() const; 65 66 virtual void SetAlignment(alignment label); 67 alignment Alignment() const; 68 virtual void SetDivider(float position); 69 float Divider() const; 70 71 void ShowPopUpMarker(); 72 void HidePopUpMarker(); 73 74 virtual BHandler* ResolveSpecifier(BMessage* message, 75 int32 index, BMessage* specifier, 76 int32 form, const char* property); 77 virtual status_t GetSupportedSuites(BMessage* data); 78 79 virtual void ResizeToPreferred(); 80 virtual void GetPreferredSize(float* width, float* height); 81 82 virtual BSize MinSize(); 83 virtual BSize MaxSize(); 84 virtual BSize PreferredSize(); 85 86 BLayoutItem* CreateLabelLayoutItem(); 87 BLayoutItem* CreateMenuBarLayoutItem(); 88 89 virtual status_t Perform(perform_code d, void* arg); 90 91 protected: 92 virtual status_t AllArchived(BMessage* into) const; 93 virtual status_t AllUnarchived(const BMessage* from); 94 95 virtual void LayoutInvalidated(bool descendants); 96 virtual void DoLayout(); 97 98 private: 99 // FBC padding 100 virtual void _ReservedMenuField1(); 101 virtual void _ReservedMenuField2(); 102 virtual void _ReservedMenuField3(); 103 104 // Forbidden 105 BMenuField& operator=(const BMenuField& other); 106 107 private: 108 class LabelLayoutItem; 109 class MenuBarLayoutItem; 110 struct LayoutData; 111 112 friend class _BMCMenuBar_; 113 friend class LabelLayoutItem; 114 friend class MenuBarLayoutItem; 115 friend class LayoutData; 116 117 BMenuField(const char* name, 118 const char* label, BMenu* menu, 119 BMessage* message, 120 uint32 flags); 121 BMenuField(const char* label, 122 BMenu* menu, BMessage* message); 123 124 void InitObject(const char* label); 125 void InitObject2(); 126 void DrawLabel(BRect updateRect); 127 static void InitMenu(BMenu* menu); 128 129 int32 _MenuTask(); 130 static int32 _thread_entry(void *arg); 131 132 void _UpdateFrame(); 133 void _InitMenuBar(BMenu* menu, 134 BRect frame, bool fixedSize); 135 void _InitMenuBar(const BMessage* archive); 136 137 void _ValidateLayoutData(); 138 float _MenuBarOffset() const; 139 float _MenuBarWidth() const; 140 141 private: 142 char* fLabel; 143 BMenu* fMenu; 144 BMenuBar* fMenuBar; 145 alignment fAlign; 146 float fDivider; 147 bool fEnabled; 148 bool fSelected; 149 bool fTransition; 150 bool fFixedSizeMB; 151 thread_id fMenuTaskID; 152 153 LayoutData* fLayoutData; 154 155 uint32 _reserved[3]; 156 }; 157 158 #endif // _MENU_FIELD_H 159