backlight - track x11 vt owner ship with root property added for vbox
this allows backlight to veto changes to backlight when the vt is not owned. fixes T8862 @fix
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@ -21,6 +21,7 @@ static Ecore_Job *zone_change_job = NULL;
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static Eina_List *_devices = NULL;
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static int _devices_pending_ops = 0;
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static Eina_Bool _devices_zones_update = EINA_FALSE;
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static Eina_Bool _own_vt = EINA_TRUE;
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static void _backlight_devices_device_set(Backlight_Device *bd, double val);
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static void _backlight_devices_device_update(Backlight_Device *bd);
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@ -46,7 +47,8 @@ _backlight_mismatch_retry(Backlight_Device *bd)
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// and the delta between expected and val >= 0.05
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(fabs(bd->expected_val - bd->val) >= 0.05) &&
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// and we retried < 20 times
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(bd->retries < 10))
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(bd->retries < 10) &&
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(_own_vt))
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{ // try again
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printf("RETRY backlight set as %1.2f != %1.2f (expected) try=%i\n",
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bd->val, bd->expected_val, bd->retries);
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@ -227,6 +229,7 @@ _backlight_devices_device_set(Backlight_Device *bd, double val)
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{
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if (fabs(bd->expected_val - val) > DBL_EPSILON) bd->retries = 0;
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bd->val = bd->expected_val = val;
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if (!_own_vt) return;
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#ifndef HAVE_WAYLAND_ONLY
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if (!strcmp(bd->dev, "randr"))
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{
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@ -654,6 +657,52 @@ _cb_handler_zone_change(void *data EINA_UNUSED, int type EINA_UNUSED, void *info
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return EINA_TRUE;
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}
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#ifndef HAVE_WAYLAND_ONLY
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static Eina_Bool
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_cb_handler_x_window_property(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
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{
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Ecore_X_Event_Window_Property *ev = event;
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if ((e_comp) && (e_comp->comp_type == E_PIXMAP_TYPE_X))
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{
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static Ecore_X_Atom atom_xfree86_has_vt = 0;
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if (!atom_xfree86_has_vt)
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atom_xfree86_has_vt = ecore_x_atom_get("XFree86_has_VT");
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if ((ev->win) && (e_comp->root) && (ev->win == e_comp->root) &&
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(ev->atom == atom_xfree86_has_vt))
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{
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int *val = NULL, num = 0;
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if (ecore_x_window_prop_property_get(ev->win, atom_xfree86_has_vt,
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ECORE_X_ATOM_INTEGER, 32,
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(unsigned char **)&val,
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&num))
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{
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if (num > 0)
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{
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if ((*val == 1) && (!_own_vt)) // have vt
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{
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printf("BL: gained VT\n");
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_own_vt = EINA_TRUE;
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// we just go back to normal backlight if we gain
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// the vt again
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e_backlight_mode_set(NULL, E_BACKLIGHT_MODE_NORMAL);
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}
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else if (_own_vt)
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{
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printf("BL: lost VT\n");
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_own_vt = EINA_FALSE;
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}
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}
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free(data);
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}
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}
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}
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return ECORE_CALLBACK_PASS_ON;
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}
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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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@ -667,6 +716,9 @@ e_backlight_init(void)
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H(E_EVENT_ZONE_MOVE_RESIZE, _cb_handler_zone_change);
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H(E_EVENT_ZONE_STOW, _cb_handler_zone_change);
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H(E_EVENT_ZONE_UNSTOW, _cb_handler_zone_change);
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#ifndef HAVE_WAYLAND_ONLY
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H(ECORE_X_EVENT_WINDOW_PROPERTY, _cb_handler_x_window_property);
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#endif
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e_backlight_update();
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if (!getenv("E_RESTART"))
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e_backlight_level_set(NULL, e_config->backlight.normal, -1.0);
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@ -1997,7 +1997,7 @@ _e_comp_x_property(void *data EINA_UNUSED, int type EINA_UNUSED, Ecore_X_Event_W
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E_Client *ec;
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ec = _e_comp_x_client_find_by_window(ev->win);
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if (!ec) return ECORE_CALLBACK_RENEW;
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if (!ec) return ECORE_CALLBACK_PASS_ON;
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if (ev->atom == ECORE_X_ATOM_WM_NAME)
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{
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@ -2225,7 +2225,7 @@ _e_comp_x_property(void *data EINA_UNUSED, int type EINA_UNUSED, Ecore_X_Event_W
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EC_CHANGED(ec);
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}
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return ECORE_CALLBACK_RENEW;
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return ECORE_CALLBACK_PASS_ON;
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}
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static Eina_Bool
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