xref: /haiku/src/apps/deskbar/ExpandoMenuBar.h (revision c237c4ce593ee823d9867fd997e51e4c447f5623)
1 /*
2 Open Tracker License
3 
4 Terms and Conditions
5 
6 Copyright (c) 1991-2000, Be Incorporated. All rights reserved.
7 
8 Permission is hereby granted, free of charge, to any person obtaining a copy of
9 this software and associated documentation files (the "Software"), to deal in
10 the Software without restriction, including without limitation the rights to
11 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
12 of the Software, and to permit persons to whom the Software is furnished to do
13 so, subject to the following conditions:
14 
15 The above copyright notice and this permission notice applies to all licensees
16 and shall be included in all copies or substantial portions of the Software.
17 
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 
25 Except as contained in this notice, the name of Be Incorporated shall not be
26 used in advertising or otherwise to promote the sale, use or other dealings in
27 this Software without prior written authorization from Be Incorporated.
28 
29 Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered
30 trademarks of Be Incorporated in the United States and other countries. Other
31 brand product names are registered trademarks or trademarks of their respective
32 holders.
33 All rights reserved.
34 */
35 #ifndef EXPANDO_MENU_BAR_H
36 #define EXPANDO_MENU_BAR_H
37 
38 
39 // application list
40 // top level at window
41 // in expanded mode horizontal and vertical
42 
43 
44 #include <MenuBar.h>
45 #include <Locker.h>
46 
47 
48 const float kSepItemWidth = 5.0f;
49 
50 
51 enum drag_and_drop_selection {
52 	kNoSelection,
53 	kDeskbarMenuSelection,
54 	kAppMenuSelection,
55 	kAnyMenuSelection
56 };
57 
58 
59 class BBitmap;
60 class TBarView;
61 class TBarMenuTitle;
62 class TTeamMenuItem;
63 
64 
65 class TExpandoMenuBar : public BMenuBar {
66 public:
67 							TExpandoMenuBar(menu_layout layout,
68 								TBarView* barView = NULL);
69 
70 	virtual	void			AllAttached();
71 	virtual	void			AttachedToWindow();
72 	virtual	void			DetachedFromWindow();
73 
74 	virtual	void			Draw(BRect update);
75 	virtual	void			DrawBackground(BRect update);
76 
77 	virtual	void			MessageReceived(BMessage* message);
78 
79 	virtual	void			MouseDown(BPoint where);
80 	virtual	void			MouseMoved(BPoint where, uint32 code,
81 								const BMessage* message);
82 	virtual	void			MouseUp(BPoint where);
83 
84 			void			BuildItems();
85 
86 			BMenuItem*		ItemAtPoint(BPoint point);
87 			TTeamMenuItem*	TeamItemAtPoint(BPoint location,
88 								BMenuItem** _item = NULL);
89 			bool			InDeskbarMenu(BPoint) const;
90 
91 			void			CheckItemSizes(int32 delta, bool reset = false);
92 
93 			float			MinHorizontalItemWidth();
94 			float			MaxHorizontalItemWidth();
95 
96 			menu_layout		MenuLayout() const;
97 			void			SetMenuLayout(menu_layout layout);
98 
99 			void			SizeWindow(int32 delta);
100 			bool			CheckForSizeOverrun();
101 
102 			void			StartMonitoringWindows();
103 			void			StopMonitoringWindows();
104 
105 private:
106 	static	int				CompareByName(const void* first,
107 								const void* second);
108 	static	int32			monitor_team_windows(void* arg);
109 
110 			void			AddTeam(BList* team, BBitmap* icon, char* name,
111 								char* signature);
112 			void			AddTeam(team_id team, const char* signature);
113 			void			RemoveTeam(team_id team, bool partial);
114 
115 			void			_FinishedDrag(bool invoke = false);
116 
117 			bool			CheckForSizeOverrunVertical();
118 			bool			CheckForSizeOverrunHorizontal();
119 
120 			float			MaxHorizontalWidth();
121 
122 			bool			Vertical() const
123 								{ return MenuLayout() == B_ITEMS_IN_COLUMN; };
124 private:
125 			TBarView*		fBarView;
126 			bool			fOverflow : 1;
127 			bool			fUnderflow : 1;
128 			bool			fFirstBuild : 1;
129 
130 			TTeamMenuItem*	fPreviousDragTargetItem;
131 			BMenuItem*		fLastMousedOverItem;
132 			BMenuItem*		fLastClickedItem;
133 			bigtime_t		fLastClickTime;
134 			BList			fTeamList;
135 
136 	static	bool			sDoMonitor;
137 	static	thread_id		sMonThread;
138 	static	BLocker			sMonLocker;
139 };
140 
141 
142 #endif // EXPANDO_MENU_BAR_H
143