1 #define STACK 32768
2 #undef Borderwidth
3 #define Borderwidth 0
4 
5 #undef TRUE	/* OS X */
6 #undef FALSE
7 
8 typedef	struct	Consreadmesg Consreadmesg;
9 typedef	struct	Conswritemesg Conswritemesg;
10 typedef	struct	Stringpair Stringpair;
11 typedef	struct	Dirtab Dirtab;
12 typedef	struct	Mouseinfo	Mouseinfo;
13 typedef	struct	Mousereadmesg Mousereadmesg;
14 typedef	struct	Mousestate	Mousestate;
15 typedef	struct	Timer Timer;
16 typedef	struct	Wctlmesg Wctlmesg;
17 typedef	struct	Window Window;
18 
19 enum
20 {
21 	Selborder		= 0,		/* border of selected window */
22 	Unselborder	= 0,		/* border of unselected window */
23 	Scrollwid 		= 12,		/* width of scroll bar */
24 	Scrollgap 		= 4,		/* gap right of scroll bar */
25 	BIG			= 3,		/* factor by which window dimension can exceed screen */
26 	TRUE		= 1,
27 	FALSE		= 0
28 };
29 
30 enum
31 {
32 	Kscrolloneup = KF|0x20,
33 	Kscrollonedown = KF|0x21
34 };
35 
36 enum	/* control messages */
37 {
38 	Wakeup,
39 	Reshaped,
40 	Moved,
41 	Refresh,
42 	Movemouse,
43 	Rawon,
44 	Rawoff,
45 	Holdon,
46 	Holdoff,
47 	Deleted,
48 	Exited
49 };
50 
51 struct Wctlmesg
52 {
53 	int		type;
54 	Rectangle	r;
55 	Image	*image;
56 };
57 
58 struct Conswritemesg
59 {
60 	Channel	*cw;		/* chan(Stringpair) */
61 };
62 
63 struct Consreadmesg
64 {
65 	Channel	*c1;		/* chan(tuple(char*, int) == Stringpair) */
66 	Channel	*c2;		/* chan(tuple(char*, int) == Stringpair) */
67 };
68 
69 struct Mousereadmesg
70 {
71 	Channel	*cm;		/* chan(Mouse) */
72 };
73 
74 struct Stringpair	/* rune and nrune or byte and nbyte */
75 {
76 	void		*s;
77 	int		ns;
78 };
79 
80 struct Mousestate
81 {
82 	Mouse	m;
83 	ulong	counter;	/* serial no. of mouse event */
84 };
85 
86 struct Mouseinfo
87 {
88 	Mousestate	queue[16];
89 	int	ri;	/* read index into queue */
90 	int	wi;	/* write index */
91 	ulong	counter;	/* serial no. of last mouse event we received */
92 	ulong	lastcounter;	/* serial no. of last mouse event sent to client */
93 	int	lastb;	/* last button state we received */
94 	uchar	qfull;	/* filled the queue; no more recording until client comes back */	
95 };	
96 
97 struct Window
98 {
99 	Ref	ref;
100 	QLock	lk;
101 	Frame	f;
102 	Image		*i;
103 	Mousectl		mc;
104 	Mouseinfo	mouse;
105 	Channel		*ck;			/* chan(Rune[10]) */
106 	Channel		*cctl;		/* chan(Wctlmesg)[20] */
107 	Channel		*conswrite;	/* chan(Conswritemesg) */
108 	Channel		*consread;	/* chan(Consreadmesg) */
109 	Channel		*mouseread;	/* chan(Mousereadmesg) */
110 	Channel		*wctlread;		/* chan(Consreadmesg) */
111 	uint			nr;			/* number of runes in window */
112 	uint			maxr;		/* number of runes allocated in r */
113 	Rune			*r;
114 	uint			nraw;
115 	Rune			*raw;
116 	uint			org;
117 	uint			q0;
118 	uint			q1;
119 	uint			qh;
120 	int			id;
121 	char			name[32];
122 	uint			namecount;
123 	Rectangle		scrollr;
124 	/*
125 	 * Rio once used originwindow, so screenr could be different from i->r.
126 	 * Now they're always the same but the code doesn't assume so.
127 	*/
128 	Rectangle		screenr;	/* screen coordinates of window */
129 	int			resized;
130 	int			wctlready;
131 	Rectangle		lastsr;
132 	int			topped;
133 	int			notefd;
134 	Cursor		cursor;
135 	Cursor		*cursorp;
136 	uchar		holding;
137 	uchar		rawing;
138 	uchar		ctlopen;
139 	uchar		wctlopen;
140 	uchar		deleted;
141 	uchar		mouseopen;
142 	char			*label;
143 	int			pid;
144 	char			*dir;
145 };
146 
147 int		winborder(Window*, Point);
148 void		winctl(void*);
149 void		winshell(void*);
150 Window*	wlookid(int);
151 Window*	wmk(Image*, Mousectl*, Channel*, Channel*);
152 Window*	wpointto(Point);
153 Window*	wtop(Point);
154 void		wtopme(Window*);
155 void		wbottomme(Window*);
156 char*	wcontents(Window*, int*);
157 int		wbswidth(Window*, Rune);
158 int		wclickmatch(Window*, int, int, int, uint*);
159 int		wclose(Window*);
160 int		wctlmesg(Window*, int, Rectangle, Image*);
161 int		wctlmesg(Window*, int, Rectangle, Image*);
162 uint		wbacknl(Window*, uint, uint);
163 uint		winsert(Window*, Rune*, int, uint);
164 void		waddraw(Window*, Rune*, int);
165 void		wborder(Window*, int);
166 void		wclosewin(Window*);
167 void		wcurrent(Window*);
168 void		wcut(Window*);
169 void		wdelete(Window*, uint, uint);
170 void		wdoubleclick(Window*, uint*, uint*);
171 void		wfill(Window*);
172 void		wframescroll(Window*, int);
173 void		wkeyctl(Window*, Rune);
174 void		wmousectl(Window*);
175 void		wmovemouse(Window*, Point);
176 void		wpaste(Window*);
177 void		wplumb(Window*);
178 void		wrefresh(Window*, Rectangle);
179 void		wrepaint(Window*);
180 void		wresize(Window*, Image*, int);
181 void		wscrdraw(Window*);
182 void		wscroll(Window*, int);
183 void		wselect(Window*);
184 void		wsendctlmesg(Window*, int, Rectangle, Image*);
185 void		wsetcursor(Window*, int);
186 void		wsetname(Window*);
187 void		wsetorigin(Window*, uint, int);
188 void		wsetpid(Window*, int, int);
189 void		wsetselect(Window*, uint, uint);
190 void		wshow(Window*, uint);
191 void		wsnarf(Window*);
192 void 		wscrsleep(Window*, uint);
193 void		wsetcols(Window*);
194 
195 void		deletetimeoutproc(void*);
196 
197 struct Timer
198 {
199 	int		dt;
200 	int		cancel;
201 	Channel	*c;	/* chan(int) */
202 	Timer	*next;
203 };
204 
205 #ifndef Extern
206 #define Extern extern
207 #endif
208 
209 Extern	Font		*font;
210 Extern	Mousectl	*mousectl;
211 Extern	Mouse	*mouse;
212 Extern	Keyboardctl	*keyboardctl;
213 Extern	Display	*display;
214 Extern	Image	*view;
215 Extern	Screen	*wscreen;
216 Extern	Cursor	boxcursor;
217 Extern	Cursor	crosscursor;
218 Extern	Cursor	sightcursor;
219 Extern	Cursor	whitearrow;
220 Extern	Cursor	query;
221 Extern	Cursor	*corners[9];
222 Extern	Image	*background;
223 Extern	Image	*lightgrey;
224 Extern	Image	*red;
225 Extern	Window	**window;
226 Extern	Window	*wkeyboard;	/* window of simulated keyboard */
227 Extern	int		nwindow;
228 Extern	int		snarffd;
229 Extern	Window	*input;
230 Extern	QLock	all;			/* BUG */
231 Extern	Window	*hidden[100];
232 Extern	int		nhidden;
233 Extern	int		nsnarf;
234 Extern	Rune*	snarf;
235 Extern	int		scrolling;
236 Extern	int		maxtab;
237 Extern	Channel*	winclosechan;
238 Extern	Channel*	deletechan;
239 Extern	char		*startdir;
240 Extern	int		sweeping;
241 Extern	int		wctlfd;
242 Extern	int		errorshouldabort;
243 Extern	int		menuing;		/* menu action is pending; waiting for window to be indicated */
244 Extern	int		snarfversion;	/* updated each time it is written */
245 Extern	int		messagesize;		/* negotiated in 9P version setup */