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enlightenment/src/bin/e_randr_12.c

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#include "e.h"
#include "e_randr_private.h"
#define POLLINTERVAL 128
// Set functions for the global e_randr_screen_info struct
static void _screen_primary_output_assign(E_Randr_Output_Info *removed);
// Init helper functions
static void _outputs_init(void);
static void _crtcs_init(void);
static Eina_Bool _structs_init(void);
// Retrieval helper functions
static Ecore_X_Randr_Mode_Info *_mode_geo_identical_find(Eina_List *modes, Ecore_X_Randr_Mode_Info *mode);
// Event helper functions
static Eina_Bool _x_poll_cb(void *data __UNUSED__);
static Eina_Bool _crtc_change_event_cb(void *data, int type, void *e);
static Eina_Bool _output_change_event_cb(void *data, int type, void *e);
static Eina_Bool _output_property_change_event_cb(void *data, int type, void *e);
static Ecore_Poller *poller = NULL;
static Eina_List *_event_handlers = NULL;
static const char *_CONNECTION_STATES_STRINGS[] = {"CONNECTED", "DISCONNECTED", "UNKNOWN"};
static const char *_POLICIES_STRINGS[] = {"ABOVE", "RIGHT", "BELOW", "LEFT", "CLONE", "NONE"};
//"New" helper functions
/**
* @return array of E_Randr_Screen_Info_12 elements, or in case not all could
* be created or parameter 'nrequested'==0, NULL
*/
static E_Randr_Screen_Info_12 *
_screen_info_12_new(void)
{
E_Randr_Screen_Info_12 *randr_info_12 = NULL;
EINA_SAFETY_ON_TRUE_RETURN_VAL((e_randr_screen_info.randr_version < ECORE_X_RANDR_1_2), NULL);
randr_info_12 = E_NEW(E_Randr_Screen_Info_12, 1);
randr_info_12->min_size.width = Ecore_X_Randr_Unset;
randr_info_12->min_size.height = Ecore_X_Randr_Unset;
randr_info_12->max_size.width = Ecore_X_Randr_Unset;
randr_info_12->max_size.height = Ecore_X_Randr_Unset;
randr_info_12->current_size.width = Ecore_X_Randr_Unset;
randr_info_12->current_size.height = Ecore_X_Randr_Unset;
randr_info_12->crtcs = NULL;
randr_info_12->outputs = NULL;
randr_info_12->modes = NULL;
randr_info_12->primary_output = NULL;
randr_info_12->alignment = ECORE_X_RANDR_RELATIVE_ALIGNMENT_NONE;
ecore_x_randr_screen_size_range_get(e_randr_screen_info.root,
&randr_info_12->min_size.width,
&randr_info_12->min_size.height,
&randr_info_12->max_size.width,
&randr_info_12->max_size.height);
ecore_x_randr_screen_current_size_get(e_randr_screen_info.root,
&randr_info_12->current_size.width,
&randr_info_12->current_size.height,
NULL, NULL);
return randr_info_12;
}
static Eina_Bool
_structs_init(void)
{
//Output stuff
Ecore_X_Randr_Output *outputs;
E_Randr_Output_Info *output_info = NULL;
int noutputs = 0;
//CRTC stuff
Ecore_X_Randr_Crtc *crtcs = NULL;
E_Randr_Crtc_Info *crtc_info = NULL;
int ncrtcs = 0;
//Modes stuff
Ecore_X_Randr_Mode_Info **modes = NULL;
int nmodes = 0;
EINA_SAFETY_ON_TRUE_RETURN_VAL(E_RANDR_12_NO, EINA_FALSE);
outputs = ecore_x_randr_outputs_get(e_randr_screen_info.root, &noutputs);
if (noutputs == 0) return EINA_FALSE;
while (--noutputs >= 0)
{
output_info = _output_info_new(outputs[noutputs]);
if (output_info)
e_randr_screen_info.rrvd_info.randr_info_12->outputs = eina_list_append(e_randr_screen_info.rrvd_info.randr_info_12->outputs, output_info);
}
free(outputs);
crtcs = ecore_x_randr_crtcs_get(e_randr_screen_info.root, &ncrtcs);
if (ncrtcs == 0) return EINA_FALSE;
while (--ncrtcs >= 0)
{
crtc_info = _crtc_info_new(crtcs[ncrtcs]);
e_randr_screen_info.rrvd_info.randr_info_12->crtcs = eina_list_append(e_randr_screen_info.rrvd_info.randr_info_12->crtcs, crtc_info);
}
free(crtcs);
modes = ecore_x_randr_modes_info_get(e_randr_screen_info.root, &nmodes);
if (nmodes == 0) return EINA_FALSE;
while (--nmodes >= 0)
{
e_randr_screen_info.rrvd_info.randr_info_12->modes = eina_list_append(e_randr_screen_info.rrvd_info.randr_info_12->modes, modes[nmodes]);
}
free(modes);
_outputs_init();
_crtcs_init();
return EINA_TRUE;
}
//Set value / retrieval helper functions
static void
_crtcs_init(void)
{
E_Randr_Crtc_Info *crtc = NULL;
Eina_List *iter;
EINA_SAFETY_ON_TRUE_RETURN(E_RANDR_12_NO);
EINA_LIST_FOREACH(e_randr_screen_info.rrvd_info.randr_info_12->crtcs, iter, crtc)
_crtc_refs_set(crtc);
}
static void
_outputs_init(void)
{
E_Randr_Output_Info *output = NULL;
Eina_List *iter;
EINA_SAFETY_ON_TRUE_RETURN(E_RANDR_12_NO);
EINA_LIST_FOREACH(e_randr_screen_info.rrvd_info.randr_info_12->outputs, iter, output)
{
_output_refs_set(output);
if (output->connection_status == ECORE_X_RANDR_CONNECTION_STATUS_CONNECTED)
{
_monitor_info_free(output->monitor);
output->monitor = _monitor_info_new(output);
}
}
}
static void
_screen_primary_output_assign(E_Randr_Output_Info *removed)
{
Eina_List *iter;
E_Randr_Output_Info *primary_output = NULL, *output_info;
EINA_SAFETY_ON_TRUE_RETURN(E_RANDR_12_NO_OUTPUTS);
if (e_randr_screen_info.rrvd_info.randr_info_12->primary_output && (removed != e_randr_screen_info.rrvd_info.randr_info_12->primary_output)) return;
if (!(primary_output = _12_screen_info_output_info_get(ecore_x_randr_primary_output_get(e_randr_screen_info.root))))
{
EINA_LIST_FOREACH(e_randr_screen_info.rrvd_info.randr_info_12->outputs, iter, output_info)
{
if (!output_info || (output_info->connection_status != ECORE_X_RANDR_CONNECTION_STATUS_CONNECTED) || !output_info->crtc || !output_info->crtc->current_mode) continue;
primary_output = output_info;
break;
}
}
e_randr_screen_info.rrvd_info.randr_info_12->primary_output = primary_output;
}
//"Free" helper functions
/**
* @param screen_info the screen info to be freed.
*/
void
_12_screen_info_free(E_Randr_Screen_Info_12 *screen_info)
{
Ecore_X_Randr_Mode_Info *mode_info;
E_Randr_Crtc_Info *crtc_info;
E_Randr_Output_Info *output_info;
EINA_SAFETY_ON_NULL_RETURN(screen_info);
EINA_SAFETY_ON_TRUE_RETURN(E_RANDR_12_NO);
if (screen_info->crtcs)
{
EINA_LIST_FREE (screen_info->crtcs, crtc_info)
_crtc_info_free(crtc_info);
free(eina_list_nth(screen_info->crtcs, 0));
}
if (screen_info->outputs)
{
EINA_LIST_FREE (screen_info->outputs, output_info)
_output_info_free(output_info);
free(eina_list_nth(screen_info->outputs, 0));
}
if (screen_info->modes)
{
EINA_LIST_FREE (screen_info->modes, mode_info)
ecore_x_randr_mode_info_free(mode_info);
}
free (screen_info);
}
/*
*********************************************
*
* Getter functions for e_randr_screen_info struct
*
* ********************************************
*/
Ecore_X_Randr_Mode_Info *
_12_screen_info_mode_info_get(const Ecore_X_Randr_Mode mode)
{
Eina_List *iter;
Ecore_X_Randr_Mode_Info *mode_info;
EINA_SAFETY_ON_TRUE_RETURN_VAL(E_RANDR_12_NO_MODE(mode), NULL);
EINA_LIST_FOREACH(e_randr_screen_info.rrvd_info.randr_info_12->modes, iter, mode_info)
{
if (mode_info && (mode_info->xid == mode)) return mode_info;
}
return NULL;
}
E_Randr_Output_Info *
_12_screen_info_output_info_get(const Ecore_X_Randr_Output output)
{
Eina_List *iter;
E_Randr_Output_Info *output_info;
EINA_SAFETY_ON_TRUE_RETURN_VAL(E_RANDR_12_NO_OUTPUTS, NULL);
EINA_LIST_FOREACH(e_randr_screen_info.rrvd_info.randr_info_12->outputs, iter, output_info)
{
if (output_info && (output_info->xid == output)) return output_info;
}
return NULL;
}
E_Randr_Crtc_Info *
_12_screen_info_crtc_info_get(const Ecore_X_Randr_Crtc crtc)
{
Eina_List *iter;
E_Randr_Crtc_Info *crtc_info;
EINA_SAFETY_ON_TRUE_RETURN_VAL(E_RANDR_12_NO_CRTCS, NULL);
EINA_LIST_FOREACH(e_randr_screen_info.rrvd_info.randr_info_12->crtcs, iter, crtc_info)
{
if (crtc_info && (crtc_info->xid == crtc)) return crtc_info;
}
return NULL;
}
Eina_Bool
_12_screen_info_edid_is_available(const E_Randr_Edid_Hash *hash)
{
Eina_List *iter;
E_Randr_Output_Info *output_info;
EINA_SAFETY_ON_TRUE_RETURN_VAL(E_RANDR_12_NO_OUTPUTS, EINA_FALSE);
EINA_SAFETY_ON_NULL_RETURN_VAL(hash, EINA_FALSE);
EINA_LIST_FOREACH(e_randr_screen_info.rrvd_info.randr_info_12->outputs, iter, output_info)
{
if (!output_info || !output_info->monitor)
continue;
if (output_info->monitor->edid_hash.hash == hash->hash)
return EINA_TRUE;
}
return EINA_FALSE;
}
/*
* returns a mode within a given list of modes that is gemetrically identical.
* If none is found, NULL is returned.
*/
static Ecore_X_Randr_Mode_Info *
_mode_geo_identical_find(Eina_List *modes, Ecore_X_Randr_Mode_Info *mode)
{
Eina_List *iter;
Ecore_X_Randr_Mode_Info *mode_info;
EINA_LIST_FOREACH(modes, iter, mode_info)
{
if ((mode_info->width == mode->width) && (mode_info->height == mode->height))
return mode_info;
}
return NULL;
}
/*****************************************************************
*
* Init. and Shutdown code
*
*****************************************************************
*/
Eina_Bool
_12_screen_info_refresh(void)
{
EINA_SAFETY_ON_TRUE_RETURN_VAL((e_randr_screen_info.randr_version < ECORE_X_RANDR_1_2), EINA_FALSE);
if (e_randr_screen_info.rrvd_info.randr_info_12)
_12_screen_info_free(e_randr_screen_info.rrvd_info.randr_info_12);
if (!(e_randr_screen_info.rrvd_info.randr_info_12 = _screen_info_12_new()) ||
!_structs_init())
return EINA_FALSE;
_screen_primary_output_assign(NULL);
return EINA_TRUE;
}
/******************************************************************
*
* Event code
*
******************************************************************
*/
static Eina_Bool
_x_poll_cb(void *data __UNUSED__)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(e_randr_screen_info.rrvd_info.randr_info_12, ECORE_CALLBACK_CANCEL);
ecore_x_randr_screen_primary_output_orientations_get(e_randr_screen_info.root);
return ECORE_CALLBACK_RENEW;
}
void
_12_event_listeners_add(void)
{
EINA_SAFETY_ON_TRUE_RETURN(E_RANDR_12_NO);
ecore_x_randr_events_select(e_randr_screen_info.root, EINA_TRUE);
_event_handlers = eina_list_append(_event_handlers, ecore_event_handler_add(ECORE_X_EVENT_RANDR_CRTC_CHANGE, _crtc_change_event_cb, NULL));
_event_handlers = eina_list_append(_event_handlers, ecore_event_handler_add(ECORE_X_EVENT_RANDR_OUTPUT_CHANGE, _output_change_event_cb, NULL));
_event_handlers = eina_list_append(_event_handlers, ecore_event_handler_add(ECORE_X_EVENT_RANDR_OUTPUT_PROPERTY_NOTIFY, _output_property_change_event_cb, NULL));
// WORKAROUND problem of X not sending events
poller = ecore_poller_add(ECORE_POLLER_CORE, POLLINTERVAL, _x_poll_cb, NULL);
}
/* Usually events are triggered in the following order.
* (Dis)connect Display Scenario:
* 1.) ECORE_X_EVENT_OUTPUT_CHANGE //Triggered, when a display is connected to an
* output
* 2.) ECORE_X_EVENT_CRTC_CHANGE //Triggered when the CRTC mode is changed (eg.
* enabled by e.g. e_randr or xrandr)
* 3.) ECORE_X_EVENT_OUTPUT_CHANGE //Triggered for each output changed by the
* preceeding enabling.
*
* When the mode of a CRTC is changed only events 2 and 3 are triggered
*
*/
static Eina_Bool
_output_change_event_cb(void *data __UNUSED__, int type, void *ev)
{
Ecore_X_Event_Randr_Output_Change *oce = (Ecore_X_Event_Randr_Output_Change*)ev;
E_Randr_Output_Info *output_info = NULL;
E_Randr_Crtc_Info *crtc_info = NULL;
Eina_Bool policy_success = EINA_FALSE, con_state_changed = EINA_FALSE;
EINA_SAFETY_ON_TRUE_RETURN_VAL(E_RANDR_12_NO, ECORE_CALLBACK_CANCEL);
EINA_SAFETY_ON_TRUE_RETURN_VAL((type != ECORE_X_EVENT_RANDR_OUTPUT_CHANGE), ECORE_CALLBACK_RENEW);
/* event information:
Ecore_X_Window win;
Ecore_X_Randr_Output output;
Ecore_X_Randr_Crtc crtc;
Ecore_X_Randr_Mode mode;
Ecore_X_Randr_Orientation orientation;
Ecore_X_Randr_Connection_Status connection;
Ecore_X_Render_Subpixel_Order subpixel_order;
*/
EINA_SAFETY_ON_FALSE_RETURN_VAL((output_info = _12_screen_info_output_info_get(oce->output)), ECORE_CALLBACK_RENEW);
DBG("E_RANDR: Output event: \n"
"\t\t: relative to win: %d\n"
"\t\t: output (xid): %d\n"
"\t\t: used by crtc (xid): %d\n"
"\t\t: mode: %d\n"
"\t\t: orientation: %d\n"
"\t\t: connection state: %s\n"
"\t\t: subpixel_order: %d",
oce->win,
oce->output,
oce->crtc,
oce->mode,
oce->orientation,
_CONNECTION_STATES_STRINGS[oce->connection],
oce->subpixel_order);
crtc_info = _12_screen_info_crtc_info_get(oce->crtc);
//WORKAROUND
//Reason: Missing events, when an output is moved from one CRTC to
// another
if (output_info->crtc && (crtc_info != output_info->crtc))
output_info->crtc->outputs = eina_list_remove(output_info->crtc->outputs, output_info);
//END WORKAROUND
output_info->crtc = crtc_info;
//Update mode references in case a mode was added manually
if (output_info->monitor)
{
eina_list_free(output_info->monitor->modes);
output_info->monitor->modes = NULL;
eina_list_free(output_info->monitor->preferred_modes);
output_info->monitor->preferred_modes = NULL;
_monitor_modes_refs_set(output_info->monitor, output_info->xid);
//Also update common modes of the used CRTC
if (crtc_info && crtc_info->current_mode)
{
eina_list_free(crtc_info->outputs);
crtc_info->outputs = NULL;
eina_list_free(crtc_info->outputs_common_modes);
crtc_info->outputs_common_modes = NULL;
_crtc_outputs_refs_set(crtc_info);
}
}
con_state_changed = (Eina_Bool)(output_info->connection_status != oce->connection);
output_info->connection_status = oce->connection;
output_info->subpixel_order = oce->subpixel_order;
if (con_state_changed)
{
_monitor_info_free(output_info->monitor);
output_info->monitor = NULL;
if (oce->connection == ECORE_X_RANDR_CONNECTION_STATUS_CONNECTED)
{
//New device connected!
output_info->monitor = _monitor_info_new(output_info);
INF("E_RANDR: Output %d was newly connected.", output_info->xid);
//only try to enable the monitor if there is no serialized setup
if(!_12_try_restore_configuration())
{
policy_success = e_randr_12_try_enable_output(output_info, output_info->policy, EINA_FALSE); //maybe give a success message?
INF("E_RANDR: Policy \"%s\" was enforced %ssuccesfully.", _POLICIES_STRINGS[output_info->policy - 1], (policy_success ? "" : "un"));
}
}
else
{
//connection_state is 'unknown' or 'disconnected': treat as disconnected!
if (output_info->crtc)
{
output_info->crtc->outputs = eina_list_remove(output_info->crtc->outputs, output_info);
//in case this output was the last one connected on a CRTC,
//disable it again
if (eina_list_count(output_info->crtc->outputs) == 0)
{
//in case it was the only output running on this CRTC, disable
//it.
ecore_x_randr_crtc_mode_set(e_randr_screen_info.root, output_info->crtc->xid, NULL, Ecore_X_Randr_None, Ecore_X_Randr_None);
}
}
//retry to find a suiting serialized setup for the remaining
//connected monitors
_12_try_restore_configuration();
}
}
return ECORE_CALLBACK_RENEW;
}
static Eina_Bool
_crtc_change_event_cb(void *data __UNUSED__, int type, void *ev)
{
Ecore_X_Event_Randr_Crtc_Change *cce = (Ecore_X_Event_Randr_Crtc_Change*)ev;
E_Randr_Crtc_Info *crtc_info;
EINA_SAFETY_ON_TRUE_RETURN_VAL(E_RANDR_12_NO, ECORE_CALLBACK_CANCEL);
EINA_SAFETY_ON_TRUE_RETURN_VAL((type != ECORE_X_EVENT_RANDR_CRTC_CHANGE), ECORE_CALLBACK_RENEW);
/* event information:
Ecore_X_Window win;
Ecore_X_Randr_Crtc crtc;
Ecore_X_Randr_Mode mode;
Ecore_X_Randr_Orientation orientation;
int x;
int y;
int width;
int height;
*/
DBG("E_RANDR: CRTC event: \n"
"\t\t: relative to win: %d\n"
"\t\t: crtc (xid): %d\n"
"\t\t: mode (xid): %d\n"
"\t\t: orientation: %d\n"
"\t\t: x: %d\n"
"\t\t: y: %d\n"
"\t\t: width: %d\n"
"\t\t: height: %d",
cce->win,
cce->crtc,
cce->mode,
cce->orientation,
cce->geo.x,
cce->geo.y,
cce->geo.w,
cce->geo.h);
crtc_info = _12_screen_info_crtc_info_get(cce->crtc);
EINA_SAFETY_ON_NULL_RETURN_VAL(crtc_info, ECORE_CALLBACK_RENEW);
crtc_info->current_mode = _12_screen_info_mode_info_get(cce->mode);
crtc_info->current_orientation = cce->orientation;
crtc_info->geometry.x = cce->geo.x;
crtc_info->geometry.y = cce->geo.y;
crtc_info->geometry.w = cce->geo.w;
crtc_info->geometry.h = cce->geo.h;
//update screensize if necessary
e_randr_screen_info.rrvd_info.randr_info_12->current_size.width = MAX((cce->geo.x + cce->geo.w), e_randr_screen_info.rrvd_info.randr_info_12->current_size.width);
e_randr_screen_info.rrvd_info.randr_info_12->current_size.height = MAX((cce->geo.y + cce->geo.h), e_randr_screen_info.rrvd_info.randr_info_12->current_size.height);
//update output data
eina_list_free(crtc_info->outputs);
crtc_info->outputs = NULL;
eina_list_free(crtc_info->outputs_common_modes);
crtc_info->outputs_common_modes = NULL;
//if still enabled, update references to outputs
if (crtc_info->current_mode)
{
eina_list_free(crtc_info->outputs);
crtc_info->outputs = NULL;
eina_list_free(crtc_info->outputs_common_modes);
crtc_info->outputs_common_modes = NULL;
_crtc_outputs_refs_set(crtc_info);
}
//crop the screen
ecore_x_randr_screen_reset(e_randr_screen_info.root);
return ECORE_CALLBACK_RENEW;
}
static Eina_Bool
_output_property_change_event_cb(void *data __UNUSED__, int type, void *ev)
{
Ecore_X_Event_Randr_Output_Property_Notify *opce = (Ecore_X_Event_Randr_Output_Property_Notify*)ev;
E_Randr_Output_Info *output_info;
EINA_SAFETY_ON_TRUE_RETURN_VAL(E_RANDR_12_NO, ECORE_CALLBACK_CANCEL);
EINA_SAFETY_ON_TRUE_RETURN_VAL((type != ECORE_X_EVENT_RANDR_OUTPUT_PROPERTY_NOTIFY), ECORE_CALLBACK_RENEW);
/* event information:
Ecore_X_Window win;
Ecore_X_Randr_Output output;
Ecore_X_Atom property;
Ecore_X_Time time;
Ecore_X_Randr_Property_Change state;
*/
EINA_SAFETY_ON_FALSE_RETURN_VAL((output_info = _12_screen_info_output_info_get(opce->output)), ECORE_CALLBACK_RENEW);
return ECORE_CALLBACK_RENEW;
}
/*
* Try to enable this output on an unoccupied CRTC. 'Force' in this context
* means, that if there are only occupied CRTCs, we disable another output to
* enable this one. If not forced we will - if we don't find an unoccupied CRTC
* - try to share the output of a CRTC with other outputs already using it
* (clone).
*/
EINTERN Eina_Bool
e_randr_12_try_enable_output(E_Randr_Output_Info *output_info, Ecore_X_Randr_Output_Policy policy, Eina_Bool force)
{
Eina_List *iter, *outputs_list = NULL, *common_modes = NULL;
E_Randr_Crtc_Info *crtc_info = NULL, *usable_crtc = NULL;
const E_Randr_Crtc_Info *crtc_rel = NULL;
E_Randr_Output_Info *primary_output;
Ecore_X_Randr_Output *outputs;
Ecore_X_Randr_Mode_Info *mode_info;
int dx = Ecore_X_Randr_None, dy = Ecore_X_Randr_None;
Eina_Bool ret = EINA_TRUE;
EINA_SAFETY_ON_NULL_RETURN_VAL(output_info, EINA_FALSE);
EINA_SAFETY_ON_TRUE_RETURN_VAL((output_info->crtc && output_info->crtc->current_mode), EINA_FALSE);
/*
* Try to find a usable crtc for this output. Either unused or forced.
*/
EINA_LIST_FOREACH(output_info->possible_crtcs, iter, crtc_info)
{
if (!crtc_info->current_mode || !crtc_info->outputs || force)
{
usable_crtc = crtc_info;
break;
}
}
/*
* apparently we don't have a CRTC to make use of the device
*/
if (!usable_crtc)
return EINA_FALSE;
//get the CRTC we will refer to, dependend on policy
switch (policy)
{
case ECORE_X_RANDR_OUTPUT_POLICY_NONE:
return EINA_TRUE;
case ECORE_X_RANDR_OUTPUT_POLICY_ASK:
e_randr_12_ask_dialog_new(output_info);
return EINA_TRUE; //This is a bit incorrect (dialog feedback is async), but probably not worth a lock.
case ECORE_X_RANDR_OUTPUT_POLICY_CLONE:
/*
* Order of approaches to enable a clone (of the primary output):
*
* 0. Get Primary output from Server
* 1. Try to add new Output to primary output's CRTC, using the mode used
* by the primary output
* 2. Try to enable clone in the same
* 2a. exact mode or a
* 2b. geometrically identical mode
* 3. Find a most high resolution mode in common to enable on primary output's CRTC and the new
* output's CRTC
* 4. fail.
*/
//Assign new output, if necessary
_screen_primary_output_assign(output_info);
if ((primary_output = e_randr_screen_info.rrvd_info.randr_info_12->primary_output))
{
if (primary_output->crtc && primary_output->crtc->current_mode && eina_list_data_find(output_info->monitor->modes, primary_output->crtc->current_mode))
{
/*
* mode currently used by primary output's CRTC is also supported by the new output
*/
if (eina_list_data_find(primary_output->crtc->possible_outputs, output_info) && eina_list_data_find(output_info->monitor->modes, primary_output->crtc->current_mode))
{
/*
* 1. Try to add new Output to primary output's CRTC, using the mode used
* by the primary output
* TODO: check with compatibility list in RandRR >= 1.3
* if available
*
* The new output is also usable by the primary output's
* CRTC. Try to enable this output together with the already
* enabled outputs on the CRTC in already used mode.
*/
outputs_list = primary_output->crtc->outputs;
outputs_list = eina_list_append(outputs_list, output_info);
outputs = _outputs_to_array(outputs_list);
primary_output->crtc->outputs = NULL;
ret &= ecore_x_randr_crtc_mode_set(e_randr_screen_info.root, primary_output->crtc->xid, outputs, eina_list_count(outputs_list), primary_output->crtc->current_mode->xid);
free(outputs);
eina_list_free(outputs_list);
return ret;
}
else
{
/*
* 2. Try to enable clone in the same
*/
/*
* 2a. exact mode.
*/
ret &= ecore_x_randr_crtc_mode_set(e_randr_screen_info.root, usable_crtc->xid, &output_info->xid, 1, primary_output->crtc->current_mode->xid);
ret &= ecore_x_randr_crtc_pos_relative_set(e_randr_screen_info.root, usable_crtc->xid, primary_output->crtc->xid, ECORE_X_RANDR_OUTPUT_POLICY_CLONE, e_randr_screen_info.rrvd_info.randr_info_12->alignment);
return ret;
}
}
else
{
/*
* 2b. geometrically identical mode
*/
if (primary_output->crtc && (mode_info = _mode_geo_identical_find(output_info->monitor->modes, primary_output->crtc->current_mode)))
{
ret &= ecore_x_randr_crtc_mode_set(e_randr_screen_info.root, usable_crtc->xid, &output_info->xid, 1, mode_info->xid);
ret &= ecore_x_randr_crtc_pos_relative_set(e_randr_screen_info.root, usable_crtc->xid, primary_output->crtc->xid, ECORE_X_RANDR_OUTPUT_POLICY_CLONE, e_randr_screen_info.rrvd_info.randr_info_12->alignment);
return ret;
}
/*
* 3. Find the highest resolution mode common to enable on primary output's CRTC and the new one.
*/
if (((outputs_list = eina_list_append(outputs_list, primary_output)) && (outputs_list = eina_list_append(outputs_list, output_info))))
{
if (primary_output->crtc)
{
common_modes = _outputs_common_modes_get(outputs_list, primary_output->crtc->current_mode);
if ((mode_info = eina_list_nth(common_modes, 0)))
{
eina_list_free(common_modes);
INF("Will try to set mode: %dx%d for primary and clone.", mode_info->width, mode_info->height);
ret &= ecore_x_randr_crtc_mode_set(e_randr_screen_info.root, primary_output->crtc->xid, ((Ecore_X_Randr_Output *)Ecore_X_Randr_Unset), Ecore_X_Randr_Unset, mode_info->xid);
ret &= ecore_x_randr_crtc_mode_set(e_randr_screen_info.root, usable_crtc->xid, &output_info->xid, 1, mode_info->xid);
ret &= ecore_x_randr_crtc_pos_relative_set(e_randr_screen_info.root, usable_crtc->xid, primary_output->crtc->xid, ECORE_X_RANDR_OUTPUT_POLICY_CLONE, e_randr_screen_info.rrvd_info.randr_info_12->alignment);
}
}
eina_list_free(outputs_list);
}
}
}
else
ERR("E_RANDR: Failed to clone, because of missing or disabled primary output!");
/*
* 4. FAIL
*/
break;
default:
//enable and position according to used policies
if (!(mode_info = ((Ecore_X_Randr_Mode_Info *)eina_list_data_get(output_info->monitor->preferred_modes))))
{
ERR("E_RANDR: Could not enable output(%d), as it has no preferred modes (and there for none at all)!", output_info->xid);
ret = EINA_FALSE;
break;
}
//get the crtc we will place our's relative to. If it's NULL, this is the
//only output attached, work done.
if (!(crtc_rel = _crtc_according_to_policy_get(usable_crtc, policy)))
{
INF("E_RANDR: CRTC %d enabled. No other CRTC had to be moved.", usable_crtc->xid);
ret &= ecore_x_randr_crtc_mode_set(e_randr_screen_info.root, usable_crtc->xid, &output_info->xid, 1, mode_info->xid);
return ret;
}
//Calculate new CRTC's position according to policy
switch (policy)
{
case ECORE_X_RANDR_OUTPUT_POLICY_ABOVE:
usable_crtc->geometry.x = crtc_rel->geometry.x;
usable_crtc->geometry.y = 0;
break;
case ECORE_X_RANDR_OUTPUT_POLICY_RIGHT:
usable_crtc->geometry.x = (crtc_rel->geometry.x + crtc_rel->geometry.w);
usable_crtc->geometry.y = crtc_rel->geometry.y;
break;
case ECORE_X_RANDR_OUTPUT_POLICY_BELOW:
usable_crtc->geometry.x = crtc_rel->geometry.x;
usable_crtc->geometry.y = (crtc_rel->geometry.y + crtc_rel->geometry.h);
break;
case ECORE_X_RANDR_OUTPUT_POLICY_LEFT:
usable_crtc->geometry.y = crtc_rel->geometry.y;
usable_crtc->geometry.x = 0;
break;
default:
usable_crtc->geometry.y = 0;
usable_crtc->geometry.x = 0;
}
if ((ret &= ecore_x_randr_crtc_settings_set(e_randr_screen_info.root, usable_crtc->xid, &output_info->xid, 1, usable_crtc->geometry.x, usable_crtc->geometry.y, mode_info->xid, ECORE_X_RANDR_ORIENTATION_ROT_0)))
{
//WORKAROUND
//Reason: the CRTC event, that'd bring the new info about the set
//mode is arriving too late here.
usable_crtc->current_mode = mode_info;
usable_crtc->geometry.w = mode_info->width;
usable_crtc->geometry.h = mode_info->height;
//WORKAROUND END
INF("E_RANDR: Moved CRTC %d has geometry (x,y,wxh): %d, %d, %dx%d.", usable_crtc->xid, usable_crtc->geometry.x, usable_crtc->geometry.y, usable_crtc->geometry.w, usable_crtc->geometry.h);
//following is policy dependend.
switch (policy)
{
case ECORE_X_RANDR_OUTPUT_POLICY_ABOVE:
dy = (crtc_rel->geometry.y - usable_crtc->geometry.h);
if (dy < 0)
{
//virtual move (move other CRTCs as nessesary)
dy = -dy;
ret &= ecore_x_randr_move_all_crtcs_but(e_randr_screen_info.root,
&usable_crtc->xid,
1,
dx,
dy);
INF("E_RANDR: Moving all CRTCs but %d, by %dx%d delta.", usable_crtc->xid, dx, dy);
}
break;
case ECORE_X_RANDR_OUTPUT_POLICY_LEFT:
dx = (crtc_rel->geometry.x - usable_crtc->geometry.w);
if (dx < 0)
{
//virtual move (move other CRTCs as nessesary)
dx = -dx;
ret &= ecore_x_randr_move_all_crtcs_but(e_randr_screen_info.root,
&usable_crtc->xid,
1,
dx,
dy);
INF("E_RANDR: Moving all CRTCs but %d, by %dx%d delta.", usable_crtc->xid, dx, dy);
}
break;
default:
break;
}
}
}
if (ret)
ecore_x_randr_screen_reset(e_randr_screen_info.root);
return ret;
}
void
_12_event_listeners_remove(void)
{
Ecore_Event_Handler *_event_handler = NULL;
EINA_LIST_FREE (_event_handlers, _event_handler)
ecore_event_handler_del(_event_handler);
ecore_poller_del(poller);
poller = NULL;
}
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