remglk/rgwin_pair.h at master · erkyrath/remglk · GitHub

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/* rgwin_pair.h: The pair window header
        for RemGlk, remote-procedure-call implementation of the Glk API.
    Designed by Andrew Plotkin <[email protected]>
    http://eblong.com/zarf/glk/
*/

typedef struct window_pair_struct {
    window_t *owner;

    window_t *child1, *child2;
    int splitpos; /* The split center. To be picky, this is the position
        of the top of the border, or the top of the bottom window if the
        border is zero-width. (If vertical is true, rotate this comment
        90 degrees.) */
    int splitwidth; /* The width of the border. */

    /* split info... */
    glui32 dir; /* winmethod_Left, Right, Above, or Below */
    int vertical, backward, hasborder; /* flags */
    glui32 division; /* winmethod_Fixed or winmethod_Proportional */
    window_t *key; /* NULL or a leaf-descendant (not a Pair) */
    int keydamage; /* used as scratch space in window closing */
    glui32 size; /* size value */

} window_pair_t;

extern window_pair_t *win_pair_create(window_t *win, glui32 method,
    window_t *key, glui32 size);
extern void win_pair_destroy(window_pair_t *dwin);
extern void win_pair_rearrange(window_t *win, grect_t *box, data_metrics_t *metrics);
extern void win_pair_redraw(window_t *win);