373 lines
9.8 KiB
C
373 lines
9.8 KiB
C
/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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#include "ecore_xcb_private.h"
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/**
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* @defgroup Ecore_X_ScrenSaver_Group X Shape extension
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*
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* These functions use the shape extension of the X server to change
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* shape of given windows.
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*/
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/**
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* Return whether the X server supports the ScrenSaver Extension.
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* @return 1 if the X ScrenSaver Extension is available, 0 otherwise.
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*
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* Return 1 if the X server supports the ScrenSaver Extension version 1.0,
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* 0 otherwise.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI int
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ecore_x_screensaver_event_available_get(void)
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{
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return 1;
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}
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/**
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* Sends the QueryInfo request.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI void
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ecore_x_screensaver_idle_time_prefetch(void)
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{
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#ifdef ECORE_XCB_SCREENSAVER
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xcb_screensaver_query_info_cookie_t cookie;
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cookie = xcb_screensaver_query_info_unchecked(_ecore_xcb_conn, ((xcb_screen_t *)_ecore_xcb_screen)->root);
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_ecore_xcb_cookie_cache(cookie.sequence);
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#endif /* ECORE_XCB_SCREENSAVER */
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}
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/**
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* Gets the reply of the QueryInfo request sent by ecore_x_get_screensaver_prefetch().
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI void
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ecore_x_screensaver_idle_time_fetch(void)
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{
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#ifdef ECORE_XCB_SCREENSAVER
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xcb_screensaver_query_info_cookie_t cookie;
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xcb_screensaver_query_info_reply_t *reply;
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cookie.sequence = _ecore_xcb_cookie_get();
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reply = xcb_screensaver_query_info_reply(_ecore_xcb_conn, cookie, NULL);
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_ecore_xcb_reply_cache(reply);
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#endif /* ECORE_XCB_SCREENSAVER */
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}
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/**
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* Get the number of seconds since the last input was received.
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* @return The number of seconds.
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*
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* Get the number of milliseconds since the last input was received
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* from the user on any of the input devices.
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*
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* To use this function, you must call before, and in order,
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* ecore_x_get_screensaver_prefetch(), which sends the GetScreenSaver request,
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* then ecore_x_get_screensaver_fetch(), which gets the reply.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI int
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ecore_x_screensaver_idle_time_get(void)
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{
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int idle = 0;
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#ifdef ECORE_XCB_SCREENSAVER
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xcb_screensaver_query_info_reply_t *reply;
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reply = _ecore_xcb_reply_get();
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if (!reply) return 0;
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/* FIXME: check if it is ms_since_user_input or ms_until_server */
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idle = reply->ms_since_user_input / 1000;
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#endif /* ECORE_XCB_SCREENSAVER */
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return idle;
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}
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/**
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* Set the parameters of the screen saver.
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* @param timeout The timeout, in second.
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* @param interval The interval, in seconds.
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* @param blank 0 to disable screen blanking, otherwise enable it.
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* @param expose Allow Expose generation event or not.
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*
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* Set the parameters of the screen saver. @p timeout is the timeout,
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* in seconds, until the screen saver turns on. @p interval is the
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* interval, in seconds, between screen saver alterations. @p blank
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* specifies how to enable screen blanking. @p expose specifies the
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* screen save control values.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI void
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ecore_x_screensaver_set(int timeout,
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int interval,
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int blank,
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int expose)
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{
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xcb_set_screen_saver(_ecore_xcb_conn,
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(int16_t)timeout,
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(int16_t)interval,
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(uint8_t)blank,
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(uint8_t)expose);
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}
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/**
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* Sends the GetScreenSaver request.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI void
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ecore_x_get_screensaver_prefetch(void)
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{
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xcb_get_screen_saver_cookie_t cookie;
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cookie = xcb_get_screen_saver_unchecked(_ecore_xcb_conn);
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_ecore_xcb_cookie_cache(cookie.sequence);
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}
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/**
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* Gets the reply of the GetScreenSaver request sent by ecore_x_get_screensaver_prefetch().
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI void
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ecore_x_get_screensaver_fetch(void)
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{
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xcb_get_screen_saver_cookie_t cookie;
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xcb_get_screen_saver_reply_t *reply;
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cookie.sequence = _ecore_xcb_cookie_get();
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reply = xcb_get_screen_saver_reply(_ecore_xcb_conn, cookie, NULL);
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_ecore_xcb_reply_cache(reply);
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}
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/**
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* Set the timeout of the screen saver.
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* @param timeout The timeout to set.
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*
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* Set the @p timeout, in seconds, until the screen saver turns on.
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*
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* To use this function, you must call before, and in order,
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* ecore_x_get_screensaver_prefetch(), which sends the GetScreenSaver request,
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* then ecore_x_get_screensaver_fetch(), which gets the reply.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI void
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ecore_x_screensaver_timeout_set(int timeout)
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{
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xcb_get_screen_saver_reply_t *reply;
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reply = _ecore_xcb_reply_get();
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if (!reply) return;
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xcb_set_screen_saver(_ecore_xcb_conn,
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(int16_t)timeout,
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reply->interval,
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reply->prefer_blanking,
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reply->allow_exposures);
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}
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/**
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* Get the timeout of the screen saver.
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* @return The timeout.
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*
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* Get the @p timeout, in seconds, until the screen saver turns on.
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*
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* To use this function, you must call before, and in order,
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* ecore_x_get_screensaver_prefetch(), which sends the GetScreenSaver request,
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* then ecore_x_get_screensaver_fetch(), which gets the reply.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI int
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ecore_x_screensaver_timeout_get(void)
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{
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xcb_get_screen_saver_reply_t *reply;
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reply = _ecore_xcb_reply_get();
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if (!reply) return 0.0;
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return (int)reply->timeout;
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}
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/**
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* Set the interval of the screen saver.
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* @param interval The interval to set.
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*
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* Set the @p interval, in seconds, between screen saver alterations.
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*
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* To use this function, you must call before, and in order,
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* ecore_x_get_screensaver_prefetch(), which sends the GetScreenSaver request,
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* then ecore_x_get_screensaver_fetch(), which gets the reply.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI void
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ecore_x_screensaver_interval_set(int interval)
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{
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xcb_get_screen_saver_reply_t *reply;
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reply = _ecore_xcb_reply_get();
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if (!reply) return;
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xcb_set_screen_saver(_ecore_xcb_conn,
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reply->timeout,
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(int16_t)interval,
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reply->prefer_blanking,
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reply->allow_exposures);
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}
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/**
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* Get the interval of the screen saver.
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* @return The interval.
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*
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* Get the @p interval, in seconds, between screen saver alterations.
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*
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* To use this function, you must call before, and in order,
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* ecore_x_get_screensaver_prefetch(), which sends the GetScreenSaver request,
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* then ecore_x_get_screensaver_fetch(), which gets the reply.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI int
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ecore_x_screensaver_interval_get(void)
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{
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xcb_get_screen_saver_reply_t *reply;
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reply = _ecore_xcb_reply_get();
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if (!reply) return 0.0;
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return (int)reply->interval;
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}
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/**
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* Set the screen blanking.
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* @param blank The blank to set.
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*
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* @p blank specifies how to enable screen blanking.
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*
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* To use this function, you must call before, and in order,
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* ecore_x_get_screensaver_prefetch(), which sends the GetScreenSaver request,
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* then ecore_x_get_screensaver_fetch(), which gets the reply.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI void
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ecore_x_screensaver_blank_set(int blank)
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{
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xcb_get_screen_saver_reply_t *reply;
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reply = _ecore_xcb_reply_get();
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if (!reply) return;
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xcb_set_screen_saver(_ecore_xcb_conn,
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reply->timeout,
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reply->interval,
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(uint8_t)blank,
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reply->allow_exposures);
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}
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/**
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* Get the screen blanking.
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* @return The blanking.
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*
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* Get the screen blanking.
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*
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* To use this function, you must call before, and in order,
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* ecore_x_get_screensaver_prefetch(), which sends the GetScreenSaver request,
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* then ecore_x_get_screensaver_fetch(), which gets the reply.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI int
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ecore_x_screensaver_blank_get(void)
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{
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xcb_get_screen_saver_reply_t *reply;
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reply = _ecore_xcb_reply_get();
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if (!reply) return 0.0;
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return (int)reply->prefer_blanking;
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}
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/**
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* Set the screen save control values.
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* @param expose The expose to set.
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*
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* Set the screen save control values.
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*
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* To use this function, you must call before, and in order,
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* ecore_x_get_screensaver_prefetch(), which sends the GetScreenSaver request,
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* then ecore_x_get_screensaver_fetch(), which gets the reply.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI void
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ecore_x_screensaver_expose_set(int expose)
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{
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xcb_get_screen_saver_reply_t *reply;
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reply = _ecore_xcb_reply_get();
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if (!reply) return;
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xcb_set_screen_saver(_ecore_xcb_conn,
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reply->timeout,
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reply->interval,
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reply->prefer_blanking,
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(uint8_t)expose);
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}
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/**
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* Get the screen save control values.
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* @return The expose.
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*
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* Get the screen save control values.
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*
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* To use this function, you must call before, and in order,
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* ecore_x_get_screensaver_prefetch(), which sends the GetScreenSaver request,
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* then ecore_x_get_screensaver_fetch(), which gets the reply.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI int
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ecore_x_screensaver_expose_get(void)
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{
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xcb_get_screen_saver_reply_t *reply;
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reply = _ecore_xcb_reply_get();
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if (!reply) return 0.0;
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return (int)reply->allow_exposures;
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}
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/**
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* Specifies if the Screen Saver NotifyMask event should be generated.
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* @param on 0 to disable the generation of the event, otherwise enable it.
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*
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* Specifies if the Screen Saver NotifyMask event on the screen
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* associated with drawable should be generated for this client. If
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* @p on is set to @c 0, the generation is disabled, otherwise, it is
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* enabled.
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* @ingroup Ecore_X_ScrenSaver_Group
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*/
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EAPI void
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ecore_x_screensaver_event_listen_set(int on)
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{
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#ifdef ECORE_XCB_SCREENSAVER
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xcb_screensaver_select_input(_ecore_xcb_conn,
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((xcb_screen_t *)_ecore_xcb_screen)->root,
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on ? XCB_SCREENSAVER_EVENT_NOTIFY_MASK : 0);
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#endif /* ECORE_XCB_SCREENSAVER */
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}
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