Import sources from 2011-03-30 iso image - sys/include

sys/include/control.h

@@ -0,0 +1,213 @@
+#pragma src "/sys/src/libcontrol"
+#pragma lib "libcontrol.a"
+
+#pragma	varargck	argpos	ctlprint	2
+#pragma varargck	argpos	_ctlprint	2
+
+typedef struct Control Control;
+typedef struct Controlset Controlset;
+typedef struct CParse CParse;
+typedef struct CCache CCache;
+typedef struct CCache CImage;
+typedef struct CCache CFont;
+
+enum	/* types */
+{
+	Ctlunknown,
+	Ctlbox,
+	Ctlbutton,
+	Ctlentry,
+	Ctlkeyboard,
+	Ctllabel,
+	Ctlmenu,
+	Ctlradio,
+	Ctlscribble,
+	Ctlslider,
+	Ctltabs,
+	Ctltext,
+	Ctltextbutton,
+	Ctltextbutton3,
+	Ctlgroup,		/* divider between controls and metacontrols */
+	Ctlboxbox,
+	Ctlcolumn,
+	Ctlrow,
+	Ctlstack,
+	Ctltab,
+	Ntypes,
+};
+
+struct Controlset
+{
+	Control		*controls;
+	Image		*screen;
+	Control		*actives;
+	Control		*focus;
+	Channel		*ctl;
+	Channel		*data;		/* currently only for sync */
+	Channel		*kbdc;
+	Channel		*mousec;
+	Channel		*resizec;
+	Channel		*resizeexitc;
+	Channel		*csexitc;
+	Keyboardctl	*keyboardctl;	/* will be nil if user supplied keyboard */
+	Mousectl	*mousectl;	/* will be nil if user supplied mouse */
+	int		clicktotype;	/* flag */
+};
+
+struct Control
+{
+	/* known to client */
+	char		*name;
+	Rectangle	rect;
+	Rectangle	size;		/* minimum/maximum Dx, Dy (not a rect) */
+	Channel		*event;		/* chan(char*) to client */
+	Channel		*data;		/* chan(char*) to client */
+
+	/* internal to control set */
+	int		type;
+	int		hidden;		/* hide hides, show unhides (and redraws) */
+	Controlset	*controlset;
+	Image		*screen;	/* where Control appears */
+	char		*format;	/* used to generate events */
+	char		wevent;		/* event channel rewired */
+	char		wdata;		/* data channel rewired */
+
+	/* method table */
+	void		(*ctl)(Control*, CParse*);
+	void		(*mouse)(Control*, Mouse*);
+	void		(*key)(Control*, Rune*);
+	void		(*exit)(Control*);
+	void		(*setsize)(Control*);
+	void		(*activate)(Control*, int);
+	Control		*nextactive;
+	Control		*next;
+};
+
+struct CCache
+{
+	union{
+		Image	*image;
+		Font	*font;
+	};
+	char		*name;
+	int		index;		/* entry number in cache */
+	int		ref;		/* one for client, plus one for each use */
+};
+
+struct CParse
+{
+	char	str[256];
+	char	*sender;
+	char	*receiver;
+	int	cmd;
+	char	*pargs[32];
+	int	iargs[32];
+	char	**args;
+	int	nargs;
+};
+
+enum	/* alignments */
+{
+	Aupperleft = 0,
+	Auppercenter,
+	Aupperright,
+	Acenterleft,
+	Acenter,
+	Acenterright,
+	Alowerleft,
+	Alowercenter,
+	Alowerright,
+	Nalignments
+};
+
+enum
+{
+	_Ctlmaxsize = 10000,
+};
+
+extern char *ctltypenames[];
+
+/* Functions used internally */
+void		_ctladdgroup(Control*, Control*);
+void		_ctlargcount(Control*, CParse*, int);
+Control*	_createctl(Controlset*, char*, uint, char*);
+Rune*		_ctlrunestr(char*);
+char*		_ctlstrrune(Rune*);
+void		_ctlputsnarf(Rune*);
+Rune*		_ctlgetsnarf(void);
+int		_ctlalignment(char*);
+Point		_ctlalignpoint(Rectangle, int, int, int);
+void		_ctlfocus(Control*, int);
+void		_activategroup(Control*);
+void		_deactivategroup(Control*);
+int		_ctllookup(char *s, char *tab[], int ntab);
+void		_ctlprint(Control *c, char *fmt, ...);
+
+/* images */
+CImage*		_getctlimage(char*);
+void		_setctlimage(Control*, CImage**, char*);
+void		_putctlimage(CImage*);
+CFont*		_getctlfont(char*);
+void		_putctlfont(CFont*);
+
+/* fonts */
+CImage*		_getctlfont(char*);
+void		_setctlfont(Control*, CImage**, char*);
+void		_putctlfont(CImage*);
+CFont*		_getctlfont(char*);
+void		_putctlfont(CFont*);
+
+/* Public functions */
+
+/* images */
+int		namectlimage(Image*, char*);
+int		freectlimage(char*);
+
+/* fonts */
+int		namectlfont(Font*, char*);
+int		freectlfont(char*);
+
+/* commands */
+int		ctlprint(Control*, char*, ...);
+
+/* general */
+void		initcontrols(void);
+Controlset*	newcontrolset(Image*, Channel*, Channel*, Channel*);
+void		closecontrolset(Controlset*);
+void		closecontrol(Control*);
+void		ctlerror(char*, ...);
+Control*	controlcalled(char*);
+
+/* publicly visible error-checking allocation routines */
+void*		ctlmalloc(uint);
+void*		ctlrealloc(void*, uint);
+char*		ctlstrdup(char*);
+
+/* creation */
+void		controlwire(Control*, char*, Channel*);
+void		activate(Control*);
+void		deactivate(Control*);
+Control*	createbox(Controlset*, char*);
+Control*	createbutton(Controlset*, char*);
+Control*	createcolumn(Controlset*, char*);
+Control*	createboxbox(Controlset*, char*);
+Control*	createentry(Controlset*, char*);
+Control*	createkeyboard(Controlset*, char*);
+Control*	createlabel(Controlset*, char*);
+Control*	createmenu(Controlset*, char*);
+Control*	createradiobutton(Controlset*, char*);
+Control*	createrow(Controlset*, char*);
+Control*	createscribble(Controlset*, char*);
+Control*	createslider(Controlset*, char*);
+Control*	createstack(Controlset*, char*);
+Control*	createtab(Controlset*, char*);
+Control*	createtext(Controlset*, char*);
+Control*	createtextbutton(Controlset*, char*);
+Control*	createtextbutton3(Controlset*, char*);
+
+/* user-supplied */
+void		resizecontrolset(Controlset*);
+
+int		_ctlsnarffd;
+char		*alignnames[];
+int		ctldeletequits;