479 lines
13 KiB
C
479 lines
13 KiB
C
#include "e.h"
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#ifdef HAVE_EEZE
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# include <Eeze.h>
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#endif
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// FIXME: backlight should be tied per zone but this implementation is just
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// a signleton right now as thats 99% of use cases. but api supports
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// doing more. for now make it work in the singleton
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#define MODE_NONE -1
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#define MODE_RANDR 0
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#define MODE_SYS 1
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static double bl_val = 1.0;
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static double bl_animval = 1.0;
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static int sysmode = MODE_NONE;
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static Ecore_Animator *bl_anim = NULL;
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static Ecore_Event_Handler *_e_backlight_handler_config_mode = NULL;
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static Ecore_Event_Handler *_e_backlight_handler_border_fullscreen = NULL;
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static Ecore_Event_Handler *_e_backlight_handler_border_unfullscreen = NULL;
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static Ecore_Event_Handler *_e_backlight_handler_border_remove = NULL;
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static Ecore_Event_Handler *_e_backlight_handler_border_iconify = NULL;
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static Ecore_Event_Handler *_e_backlight_handler_border_uniconify = NULL;
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static Ecore_Event_Handler *_e_backlight_handler_border_desk_set = NULL;
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static Ecore_Event_Handler *_e_backlight_handler_desk_show = NULL;
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static Ecore_Timer *_e_backlight_timer = NULL;
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static void _e_backlight_update(E_Zone *zone);
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static void _e_backlight_set(E_Zone *zone, double val);
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static Eina_Bool _bl_anim(void *data, double pos);
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static Eina_Bool bl_avail = EINA_FALSE;
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static Eina_Bool _e_backlight_handler(void *d, int type, void *ev);
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static Eina_Bool _e_backlight_timer_cb(void *d);
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#ifdef HAVE_EEZE
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static const char *bl_sysval = NULL;
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static Ecore_Event_Handler *bl_sys_exit_handler = NULL;
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static Ecore_Exe *bl_sys_set_exe = NULL;
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static Eina_Bool bl_sys_pending_set = EINA_FALSE;
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static Eina_Bool bl_sys_set_exe_ready = EINA_TRUE;
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static void _bl_sys_find(void);
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static void _bl_sys_level_get(void);
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static Eina_Bool _e_bl_cb_exit(void *data __UNUSED__, int type __UNUSED__, void *event);
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static void _bl_sys_level_set(double val);
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#endif
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EINTERN int
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e_backlight_init(void)
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{
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#ifdef HAVE_EEZE
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eeze_init();
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#endif
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// why did someone do this? this makes it ONLY work if xrandr has bl support.
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// WRONG!
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// bl_avail = ecore_x_randr_output_backlight_available();
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bl_avail = EINA_TRUE;
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_e_backlight_handler_config_mode = ecore_event_handler_add
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(E_EVENT_CONFIG_MODE_CHANGED, _e_backlight_handler, NULL);
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_e_backlight_handler_border_fullscreen = ecore_event_handler_add
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(E_EVENT_BORDER_FULLSCREEN, _e_backlight_handler, NULL);
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_e_backlight_handler_border_unfullscreen = ecore_event_handler_add
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(E_EVENT_BORDER_UNFULLSCREEN, _e_backlight_handler, NULL);
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_e_backlight_handler_border_remove = ecore_event_handler_add
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(E_EVENT_BORDER_REMOVE, _e_backlight_handler, NULL);
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_e_backlight_handler_border_iconify = ecore_event_handler_add
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(E_EVENT_BORDER_ICONIFY, _e_backlight_handler, NULL);
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_e_backlight_handler_border_uniconify = ecore_event_handler_add
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(E_EVENT_BORDER_UNICONIFY, _e_backlight_handler, NULL);
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_e_backlight_handler_border_desk_set = ecore_event_handler_add
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(E_EVENT_BORDER_DESK_SET, _e_backlight_handler, NULL);
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_e_backlight_handler_desk_show = ecore_event_handler_add
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(E_EVENT_DESK_SHOW, _e_backlight_handler, NULL);
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if (bl_avail)
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{
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e_backlight_update();
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if (!getenv("E_RESTART"))
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{
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e_backlight_level_set(NULL, 0.0, 0.0);
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e_backlight_level_set(NULL, e_config->backlight.normal, 1.0);
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}
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}
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return 1;
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}
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EINTERN int
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e_backlight_shutdown(void)
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{
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if (bl_anim) ecore_animator_del(bl_anim);
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bl_anim = NULL;
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#ifdef HAVE_EEZE
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if (bl_sysval) eina_stringshare_del(bl_sysval);
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bl_sysval = NULL;
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if (bl_sys_exit_handler) ecore_event_handler_del(bl_sys_exit_handler);
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bl_sys_exit_handler = NULL;
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bl_sys_set_exe = NULL;
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bl_sys_pending_set = EINA_FALSE;
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eeze_shutdown();
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#endif
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if (_e_backlight_handler_config_mode)
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{
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ecore_event_handler_del(_e_backlight_handler_config_mode);
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_e_backlight_handler_config_mode = NULL;
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}
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if (_e_backlight_handler_border_fullscreen)
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{
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ecore_event_handler_del(_e_backlight_handler_border_fullscreen);
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_e_backlight_handler_border_fullscreen = NULL;
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}
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if (_e_backlight_handler_border_unfullscreen)
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{
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ecore_event_handler_del(_e_backlight_handler_border_unfullscreen);
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_e_backlight_handler_border_unfullscreen = NULL;
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}
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if (_e_backlight_handler_border_remove)
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{
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ecore_event_handler_del(_e_backlight_handler_border_remove);
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_e_backlight_handler_border_remove = NULL;
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}
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if (_e_backlight_handler_border_iconify)
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{
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ecore_event_handler_del(_e_backlight_handler_border_iconify);
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_e_backlight_handler_border_iconify = NULL;
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}
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if (_e_backlight_handler_border_uniconify)
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{
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ecore_event_handler_del(_e_backlight_handler_border_uniconify);
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_e_backlight_handler_border_uniconify = NULL;
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}
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if (_e_backlight_handler_border_desk_set)
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{
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ecore_event_handler_del(_e_backlight_handler_border_desk_set);
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_e_backlight_handler_border_desk_set = NULL;
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}
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if (_e_backlight_handler_desk_show)
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{
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ecore_event_handler_del(_e_backlight_handler_desk_show);
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_e_backlight_handler_desk_show = NULL;
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}
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return 1;
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}
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EAPI Eina_Bool
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e_backlight_exists(void)
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{
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if (sysmode == MODE_NONE) return EINA_FALSE;
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return EINA_TRUE;
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}
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EAPI void
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e_backlight_update(void)
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{
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Eina_List *m, *c, *z;
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E_Manager *man;
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E_Container *con;
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E_Zone *zone;
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if (bl_avail == EINA_FALSE) return;
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EINA_LIST_FOREACH(e_manager_list(), m, man)
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{
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EINA_LIST_FOREACH(man->containers, c, con)
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{
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EINA_LIST_FOREACH(con->zones, z, zone)
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{
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_e_backlight_update(zone);
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}
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}
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}
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/* idle dimming disabled: clear timer */
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if (!e_config->backlight.idle_dim)
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{
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if (_e_backlight_timer)
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ecore_timer_del(_e_backlight_timer);
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_e_backlight_timer = NULL;
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return;
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}
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/* dimming enabled, timer active: update interval and reset */
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if (_e_backlight_timer)
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{
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if (e_config->backlight.timer != ecore_timer_interval_get(_e_backlight_timer))
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ecore_timer_interval_set(_e_backlight_timer, e_config->backlight.timer);
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ecore_timer_reset(_e_backlight_timer);
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return;
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}
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/* dimming enabled, timer inactive: */
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/* timer is 0 seconds: return */
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if (!e_config->backlight.timer) return;
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/* current mode is dimmed: undim */
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if (e_config->backlight.mode == E_BACKLIGHT_MODE_DIM)
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e_backlight_mode_set(NULL, E_BACKLIGHT_MODE_NORMAL);
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_e_backlight_timer = ecore_timer_add(e_config->backlight.timer, _e_backlight_timer_cb, NULL);
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}
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EAPI void
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e_backlight_level_set(E_Zone *zone, double val, double tim)
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{
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double bl_now;
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// zone == NULL == everything
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// set backlight associated with zone to val over period of tim
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// if tim == 0.0 - then do it instantnly, if time == -1 use some default
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// transition time
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if (val < 0.0) val = 0.0;
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else if (val > 1.0) val = 1.0;
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if (val == bl_val) return;
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if (!zone) zone = e_util_zone_current_get(e_manager_current_get());
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bl_now = bl_val;
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bl_val = val;
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if (e_config->backlight.mode != E_BACKLIGHT_MODE_NORMAL) return;
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if (tim < 0.0) tim = e_config->backlight.transition;
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if (tim == 0.0)
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{
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if (bl_anim)
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{
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ecore_animator_del(bl_anim);
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bl_anim = NULL;
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}
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_e_backlight_set(zone, val);
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return;
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}
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if (bl_anim) ecore_animator_del(bl_anim);
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bl_anim = ecore_animator_timeline_add(tim, _bl_anim, zone);
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bl_animval = bl_now;
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}
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EAPI double
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e_backlight_level_get(E_Zone *zone __UNUSED__)
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{
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// zone == NULL == everything
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return bl_val;
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}
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EAPI void
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e_backlight_mode_set(E_Zone *zone, E_Backlight_Mode mode)
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{
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// zone == NULL == everything
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if (e_config->backlight.mode == mode) return;
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e_config->backlight.mode = mode;
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if (e_config->backlight.mode == E_BACKLIGHT_MODE_NORMAL)
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e_backlight_level_set(zone, bl_val, -1.0);
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else if (e_config->backlight.mode == E_BACKLIGHT_MODE_OFF)
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e_backlight_level_set(zone, 0.0, -1.0);
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else if (e_config->backlight.mode == E_BACKLIGHT_MODE_DIM)
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e_backlight_level_set(zone, e_config->backlight.dim, -1.0);
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else if (e_config->backlight.mode == E_BACKLIGHT_MODE_MAX)
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e_backlight_level_set(zone, 1.0, -1.0);
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}
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EAPI E_Backlight_Mode
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e_backlight_mode_get(E_Zone *zone __UNUSED__)
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{
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// zone == NULL == everything
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return e_config->backlight.mode;
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}
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/* local subsystem functions */
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static Eina_Bool
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_e_backlight_handler(void *d __UNUSED__, int type __UNUSED__, void *ev __UNUSED__)
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{
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e_backlight_update();
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return ECORE_CALLBACK_PASS_ON;
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}
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static Eina_Bool
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_e_backlight_timer_cb(void *d __UNUSED__)
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{
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e_backlight_mode_set(NULL, E_BACKLIGHT_MODE_DIM);
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_e_backlight_timer = NULL;
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return EINA_FALSE;
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}
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static void
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_e_backlight_update(E_Zone *zone)
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{
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double x_bl = -1.0;
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Ecore_X_Window root;
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Ecore_X_Randr_Output *out;
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int num = 0;
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root = zone->container->manager->root;
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#ifdef HAVE_EEZE
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_bl_sys_find();
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if (bl_sysval)
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{
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sysmode = MODE_SYS;
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_bl_sys_level_get();
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return;
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}
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#endif
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// try randr
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out = ecore_x_randr_window_outputs_get(root, &num);
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if ((out) && (num > 0) && (ecore_x_randr_output_backlight_available()))
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x_bl = ecore_x_randr_output_backlight_level_get(root, out[0]);
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if (out) free(out);
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if (x_bl >= 0.0)
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{
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bl_val = x_bl;
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sysmode = MODE_RANDR;
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}
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}
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static void
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_e_backlight_set(E_Zone *zone, double val)
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{
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if (sysmode == MODE_RANDR)
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{
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Ecore_X_Window root;
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Ecore_X_Randr_Output *out;
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int num = 0;
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root = zone->container->manager->root;
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out = ecore_x_randr_window_outputs_get(root, &num);
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if ((out) && (num > 0))
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{
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ecore_x_randr_output_backlight_level_set(root, out[0], val);
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}
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if (out) free(out);
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}
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#ifdef HAVE_EEZE
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else if (sysmode == MODE_SYS)
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{
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if (bl_sysval)
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{
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_bl_sys_level_set(val);
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}
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}
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#endif
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}
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static Eina_Bool
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_bl_anim(void *data, double pos)
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{
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E_Zone *zone = data;
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double v;
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// FIXME: if zone is deleted while anim going... bad things.
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pos = ecore_animator_pos_map(pos, ECORE_POS_MAP_DECELERATE, 0.0, 0.0);
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v = (bl_animval * (1.0 - pos)) + (bl_val *pos);
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_e_backlight_set(zone, v);
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if (pos >= 1.0)
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{
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bl_anim = NULL;
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return EINA_FALSE;
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}
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return EINA_TRUE;
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}
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#ifdef HAVE_EEZE
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static void
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_bl_sys_find(void)
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{
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Eina_List *devs;
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const char *f;
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devs = eeze_udev_find_by_filter("backlight", NULL, NULL);
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if (!devs)
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{
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/* FIXME: need to make this more precise so we don't set keyboard LEDs or something */
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devs = eeze_udev_find_by_filter("leds", NULL, NULL);
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if (!devs) return;
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}
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if (eina_list_count(devs) > 1)
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{
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const char *s = NULL;
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Eina_List *l;
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Eina_Bool use = EINA_FALSE;
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/* prefer backlights of type "firmware" where available */
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EINA_LIST_FOREACH(devs, l, f)
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{
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s = eeze_udev_syspath_get_sysattr(f, "type");
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use = (s && (!strcmp(s, "firmware")));
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eina_stringshare_del(s);
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if (!use) continue;
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l->data = NULL;
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eina_stringshare_del(bl_sysval);
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bl_sysval = f;
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EINA_LIST_FREE(devs, f)
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eina_stringshare_del(f);
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return;
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}
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}
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EINA_LIST_FREE(devs, f)
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{
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eina_stringshare_replace(&bl_sysval, NULL);
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bl_sysval = f;
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}
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}
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static void
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_bl_sys_level_get(void)
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{
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int maxval, val;
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const char *str;
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str = eeze_udev_syspath_get_sysattr(bl_sysval, "max_brightness");
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if (!str) return;
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maxval = atoi(str);
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eina_stringshare_del(str);
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if (maxval <= 0) maxval = 255;
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str = eeze_udev_syspath_get_sysattr(bl_sysval, "brightness");
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if (!str) return;
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val = atoi(str);
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eina_stringshare_del(str);
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if ((val >= 0) && (val <= maxval))
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bl_val = (double)val / (double)maxval;
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// printf("GET: %i/%i (%1.3f)\n", val, maxval, bl_val);
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}
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static Eina_Bool
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_e_bl_cb_ext_delay(void *data __UNUSED__)
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{
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bl_sys_set_exe_ready = EINA_TRUE;
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if (bl_sys_pending_set)
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{
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bl_sys_pending_set = EINA_FALSE;
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_bl_sys_level_set(bl_val);
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}
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return EINA_FALSE;
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}
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static Eina_Bool
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_e_bl_cb_exit(void *data __UNUSED__, int type __UNUSED__, void *event)
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{
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Ecore_Exe_Event_Del *ev;
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ev = event;
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if (ev->exe == bl_sys_set_exe)
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{
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bl_sys_set_exe_ready = EINA_FALSE;
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bl_sys_set_exe = NULL;
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ecore_timer_add(0.1, _e_bl_cb_ext_delay, NULL);
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}
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return ECORE_CALLBACK_RENEW;
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}
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static void
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_bl_sys_level_set(double val)
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{
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char buf[PATH_MAX];
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if (!bl_sys_exit_handler)
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bl_sys_exit_handler = ecore_event_handler_add(ECORE_EXE_EVENT_DEL,
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_e_bl_cb_exit, NULL);
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if ((bl_sys_set_exe) || (!bl_sys_set_exe_ready))
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{
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bl_sys_pending_set = EINA_TRUE;
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return;
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}
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// printf("SET: %1.3f\n", val);
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snprintf(buf, sizeof(buf),
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"%s/enlightenment/utils/enlightenment_backlight %i",
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e_prefix_lib_get(), (int)(val * 1000.0));
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bl_sys_set_exe = ecore_exe_run(buf, NULL);
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}
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#endif
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