a

kern/screen.h

@@ -0,0 +1,59 @@
+typedef struct Mouseinfo Mouseinfo;
+typedef struct Mousestate Mousestate;
+typedef struct Cursorinfo Cursorinfo;
+typedef struct Screeninfo Screeninfo;
+
+#define Mousequeue 16		/* queue can only have Mousequeue-1 elements */
+#define Mousewindow 500		/* mouse event window in millisec */
+
+struct Mousestate {
+	int	buttons;
+	Point	xy;
+	ulong	msec;
+};
+
+struct Mouseinfo {
+	Lock	lk;
+	Mousestate queue[Mousequeue];
+	int	ri, wi;
+	int	lastb;
+	int	trans;
+	int	open;
+	Rendez	r;
+};
+
+struct Cursorinfo {
+	Lock	lk;
+	Point	offset;
+	uchar	clr[2*16];
+	uchar	set[2*16];
+};
+
+struct Screeninfo {
+	Lock		lk;
+	Memimage	*newsoft;
+	int		reshaped;
+	int		depth;
+	int		dibtype;
+};
+
+extern	Memimage *gscreen;
+extern	Mouseinfo mouse;
+extern	Cursorinfo cursor;
+extern	Screeninfo screen;
+
+void	screeninit(void);
+void	screenload(Rectangle, int, uchar *, Point, int);
+
+void	getcolor(ulong, ulong*, ulong*, ulong*);
+void	setcolor(ulong, ulong, ulong, ulong);
+
+void	refreshrect(Rectangle);
+
+void	cursorarrow(void);
+void	setcursor(void);
+void	mouseset(Point);
+void	drawflushr(Rectangle);
+void	flushmemscreen(Rectangle);
+uchar *attachscreen(Rectangle*, ulong*, int*, int*, int*, void**);
+