Mercurial > MadButterfly
view nodejs/X_supp_njs.c @ 603:39d27911c3ae openvg
Remove mbe_image_surface_create_for_data()
author | Thinker K.F. Li <thinker@branda.to> |
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date | Sun, 04 Jul 2010 00:16:43 +0800 |
parents | 13b15b7a463b |
children | cedfe4966fd6 |
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/*! \brief Implement X11 backend for nodejs plugin. * * Since nodejs use libev to handle event loops, part of X11 backend * code can not be used directly. The part of code should be rewrote. * The part is about */ #include <stdio.h> #include <X11/Xlib.h> #include <X11/Xutil.h> #include <ev.h> #include "mb_X_supp.h" #include "mb_tools.h" #include "X_supp_njs.h" #ifndef ASSERT #define ASSERT(x) #endif static void timer_cb(EV_P_ ev_timer *tmwatcher, int revent); /*! \brief Register next timeout with libev. */ static void set_next_timeout(njs_runtime_t *rt) { mb_tman_t *tman; mb_timeval_t now, tmo; ev_tstamp tout; int r; tman = X_MB_tman(rt->xrt); get_now(&now); r = mb_tman_next_timeout(tman, &now, &tmo); if(r == 0) { MB_TIMEVAL_DIFF(&tmo, &now); tout = (ev_tstamp)MB_TIMEVAL_SEC(&tmo) + (ev_tstamp)MB_TIMEVAL_USEC(&tmo) / 1000000; ev_timer_init(&rt->tmwatcher, timer_cb, tout, 0); ev_timer_start(&rt->tmwatcher); rt->enable_timer = 1; } else rt->enable_timer = 0; } static void x_conn_cb(EV_P_ ev_io *iowatcher, int revent) { njs_runtime_t *rt = MEM2OBJ(iowatcher, njs_runtime_t, iowatcher); redraw_man_t *rdman; extern void _X_MB_handle_x_event_for_nodejs(void *rt); rdman = X_MB_rdman(rt->xrt); _X_MB_handle_x_event_for_nodejs(rt->xrt); rdman_redraw_changed(rdman); if(rt->enable_timer == 0) /* no installed timeout */ set_next_timeout(rt); } static void timer_cb(EV_P_ ev_timer *tmwatcher, int revent) { njs_runtime_t *rt = MEM2OBJ(tmwatcher, njs_runtime_t, tmwatcher); mb_tman_t *tman; redraw_man_t *rdman; mb_timeval_t now; extern int _X_MB_flush_x_conn_for_nodejs(void *rt); tman = X_MB_tman(rt->xrt); get_now(&now); mb_tman_handle_timeout(tman, &now); rdman = X_MB_rdman(rt->xrt); rdman_redraw_changed(rdman); _X_MB_flush_x_conn_for_nodejs(rt->xrt); set_next_timeout(rt); } /*! \brief Handle connection coming data and timeout of timers. * * \param rt is a runtime object for X. */ void X_njs_MB_init_handle_connection(njs_runtime_t *rt) { void *xrt = rt->xrt; mb_tman_t *tman; mb_timeval_t now, tmo; ev_tstamp tout; int fd; int r; extern int _X_MB_get_x_conn_for_nodejs(void *rt); /* * Setup watcher for X connection. */ fd = _X_MB_get_x_conn_for_nodejs(xrt); ev_io_init(&rt->iowatcher, x_conn_cb, fd, EV_READ); ev_io_start(&rt->iowatcher); rt->enable_io = 1; set_next_timeout(rt); } /*! \brief Free njs_runtime_t. */ void X_njs_MB_free(njs_runtime_t *rt) { /* * stop IO and timer watcher */ if(rt->enable_io) ev_io_stop(&rt->iowatcher); if(rt->enable_timer) ev_timer_stop(&rt->tmwatcher); X_MB_free(rt->xrt); free(rt); } int X_njs_MB_flush(njs_runtime_t *rt) { void *xrt = rt->xrt; int r; extern int _X_MB_flush_x_conn_for_nodejs(void *rt); _X_MB_flush_x_conn_for_nodejs(xrt); return r; } njs_runtime_t * X_njs_MB_new(char *display_name, int w, int h) { njs_runtime_t *rt; void *xrt; rt = (njs_runtime_t *)malloc(sizeof(njs_runtime_t)); ASSERT(rt != NULL); xrt = X_MB_new(display_name, w, h); rt->xrt = xrt; rt->enable_io = 0; rt->enable_timer = 0; /* no timer, now */ return rt; } /*! \brief Get X runtime that is backend of this njs runtime. */ void * _X_njs_MB_get_X_runtime(njs_runtime_t *rt) { return rt->xrt; }