94 lines
1.5 KiB
C
94 lines
1.5 KiB
C
#ifndef NDGA_H
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#define NDGA_H
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#include "nvsession.h"
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#ifndef NDGA_IMPLEMENTATION
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/*
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* For public consumption, this is an opaque pointer
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*/
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typedef void *ndga_t;
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#else
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/*
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* This is implementaion private
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*
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* Newt DGA state record
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*/
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struct ndga_state {
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/*
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* all private
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*/
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int is_visible;
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int is_unobscured;
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int is_open;
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int is_changed;
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int new_clip;
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int sent_clip;
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int busy;
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int was_open;
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int was_unobscured;
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int x, y;
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int w, h;
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int xalign;
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int yalign;
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nvSession session;
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void (* on_open)();
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void (* on_close)();
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Display *display;
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Window window;
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Window parent;
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Window root;
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NRegion region;
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NRegion clip;
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NRegion lastclip;
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NRegion screenArea;
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NRectangle screenRect;
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NRectangle visRect;
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int clipEvent;
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int clearOnExpose;
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};
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typedef struct ndga_state *ndga_t;
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#endif /* NDGA_IMPLEMENTATION */
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ndga_t ndga_new(Display *display, Window window, nvSession session,
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int xalign, int yalign);
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void ndga_destroy(ndga_t sp);
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int ndga_start(ndga_t sp,
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int *xp, /* x */
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int *yp, /* y */
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int *wp, /* width */
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int *hp, /* height */
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int *is_unobscured, /* 1 if unobscured 0 if clipped */
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int *clipEvent /* clip event number */
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);
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/*
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* update the argument to hold the current clip-list and and return
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* it. If the clip argument is NULL, a new region is allocated. It
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* is the responsibility of the caller to free the clip.
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*/
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NRegion ndga_clip(ndga_t sp, NRegion clip);
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void ndga_done(ndga_t sp);
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int ndga_isvisible(ndga_t sp);
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int ndga_get_eventmask(void);
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void ndga_process_event(ndga_t sp, XEvent *event);
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#endif
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