/**
* Check the DPMS power level.
* @return @c 0 if DPMS is :In Use
* @return @c 1 if DPMS is :Blanked, low power
* @return @c 2 if DPMS is :Blanked, lower power
* @return @c 3 if DPMS is :Shut off, awaiting activity
* @return @c -1 otherwise.
*/
EAPI Ecore_X_Dpms_Mode
ecore_x_dpms_power_level_get(void)
{
Ecore_X_Dpms_Mode ret = -1;
#ifdef ECORE_XCB_DPMS
xcb_dpms_info_cookie_t cookie;
xcb_dpms_info_reply_t *reply;
#endif
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if (!_dpms_avail) return ret;
#ifdef ECORE_XCB_DPMS
cookie = xcb_dpms_info_unchecked(_ecore_xcb_conn);
reply = xcb_dpms_info_reply(_ecore_xcb_conn, cookie, NULL);
if (!reply) return -1;
ret = reply->power_level;
free(reply);
#endif
return ret;
}
/*
* Calls draw_image on a new pixmap and swaps that with the current pixmap
*
*/
void redraw_screen(void) {
/* avoid drawing if monitor state is not on */
if (dpms_capable) {
xcb_dpms_info_reply_t *dpms_info =
xcb_dpms_info_reply(conn,xcb_dpms_info(conn), NULL);
if (dpms_info) {
/* monitor is off when DPMS state is enabled and power level is not
* DPMS_MODE_ON */
uint8_t monitor_off = dpms_info->state
&& dpms_info->power_level != XCB_DPMS_DPMS_MODE_ON;
free(dpms_info);
if (monitor_off)
return;
}
}
xcb_pixmap_t bg_pixmap = draw_image(last_resolution);
xcb_change_window_attributes(conn, win, XCB_CW_BACK_PIXMAP, (uint32_t[1]){ bg_pixmap });
/* XXX: Possible optimization: Only update the area in the middle of the
* screen instead of the whole screen. */
xcb_clear_area(conn, 0, win, 0, 0, last_resolution[0], last_resolution[1]);
xcb_free_pixmap(conn, bg_pixmap);
xcb_flush(conn);
}
/**
* Checks the DPMS state of the display.
* @return @c EINA_TRUE if DPMS is enabled, @c EINA_FALSE otherwise.
* @ingroup Ecore_X_DPMS_Group
*/
EAPI Eina_Bool
ecore_x_dpms_enabled_get(void)
{
Eina_Bool ret = EINA_FALSE;
#ifdef ECORE_XCB_DPMS
xcb_dpms_info_cookie_t cookie;
xcb_dpms_info_reply_t *reply;
#endif
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if (!_dpms_avail) return EINA_FALSE;
#ifdef ECORE_XCB_DPMS
cookie = xcb_dpms_info_unchecked(_ecore_xcb_conn);
reply = xcb_dpms_info_reply(_ecore_xcb_conn, cookie, NULL);
if (!reply) return EINA_FALSE;
if (reply->state) ret = EINA_TRUE;
free(reply);
#endif
return ret;
}
