1 files changed, 80 insertions, 0 deletions
diff --git a/util/alevt/xio.h b/util/alevt/xio.h
new file mode 100644
index 0000000..664b701
--- /dev/null
+++ b/util/alevt/xio.h
@@ -0,0 +1,80 @@
+#ifndef VTXIO_H
+#define VTXIO_H
+
+#include <X11/Xlib.h>
+#include "vt.h"
+#include "dllist.h"
+
+typedef u32 lbits;
+#define ALL_LINES ((1ul << H) - 1)
+
+/* one xio per display */
+struct xio
+{
+    struct dl_node node[1];
+    int argc;
+    char **argv;
+    Display *dpy;			/* display connection */
+    int fd;				/* the displays file descriptor */
+    Atom xa_del_win;			/* WM_DELETE_WINDOW atom */
+    Atom xa_targets;			/* TARGETS atom (selection) */
+    Atom xa_timestamp;			/* TIMESTAMP atom (selection) */
+    Atom xa_text;			/* TEXT atom (selection) */
+    Atom xa_multiple;			/* MULTIPLE atom (selection) */
+    Window group_leader;		/* unmapped window */
+    int screen;				/* DefaultScreen */
+    int width, height;			/* DisplayWidth/Height */
+    int depth;				/* DefaultDepth */
+    Window root;			/* DefaultRoot */
+    Colormap cmap;
+    int color[16];			/* 8 normal, 8 dim intensity */
+    Pixmap font[2];			/* normal, dbl-height */
+    Pixmap icon;			/* icon pixmap */
+    struct dl_head windows[1];		/* all windows on this display */
+};
+
+/* one vt_win per window */
+struct xio_win
+{
+    struct dl_node node[1];
+    struct xio *xio;			/* display */
+    Window win;				/* the drawing window */
+    Time tstamp;			/* timestamp of last user event */
+    GC gc;				/* it's graphics context */
+    u8 ch[H*W];				/* the page contents */
+    lbits modified, hidden, lhidden;	/* states for each line */
+    lbits dheight, blink, concealed;	/* attributes for each line */
+    int fg, bg;				/* current foreground/background */
+    int blink_on;			/* blinking on */
+    int reveal;				/* reveal concealed text */
+    void (*handler)(void *data, struct vt_event *ev); /* event-handler */
+    void *data;				/* data for the event-handler */
+    int curs_x, curs_y;			/* cursor position */
+    u8 title[32];			/* the user title */
+    // selection support
+    int sel_start_x, sel_start_y;
+    Time sel_start_t;
+    Time sel_set_t;			/* time we got selection owner */
+    int sel_x1, sel_y1, sel_x2, sel_y2;	/* selected area */
+    Pixmap sel_pixmap;			/* for pixmap-selection requests */
+};
+
+struct xio *xio_open_dpy(char *dpy, int argc, char **argv);
+struct xio_win *xio_open_win(struct xio *xio, char *geom);
+void xio_close_win(struct xio_win *xw, int dpy_too);
+void xio_close_dpy(struct xio *xio);
+void xio_set_handler(struct xio_win *xw, void *handler, void *data);
+void xio_clear_win(struct xio_win *xw);
+void xio_put_line(struct xio_win *xw, int line, u8 *data);
+void xio_put_str(struct xio_win *xw, int line, u8 *c_str);
+int xio_get_line(struct xio_win *xw, int line, u8 *data);
+int xio_set_concealed(struct xio_win *xw, int on);
+void xio_update_win(struct xio_win *xw);
+void xio_fd_handler(int fd, void *handler, void *data);
+void xio_cancel_selection(struct xio_win *xw);
+void xio_query_selection(struct xio_win *xw);
+void xio_set_selection(struct xio_win *xw, int x1, int y1, int x2, int y2);
+void xio_set_cursor(struct xio_win *xw, int x, int y);
+void xio_event_loop(void);
+void xio_title(struct xio_win *xw, char *title);
+#endif