enlightenment/src/bin/e_randr.c

1773 lines
71 KiB
C

/*
* vim:ts=8:sw=3:sts=8:expandtab:cino=>5n-3f0^-2{2
*/
#include "e.h"
#define ECORE_X_RANDR_1_1 ((1 << 16) | 1)
#define ECORE_X_RANDR_1_2 ((1 << 16) | 2)
#define ECORE_X_RANDR_1_3 ((1 << 16) | 3)
#define Ecore_X_Randr_None 0
#define Ecore_X_Randr_Unset -1
/*
* TODO:
* -fix output policies above and left
*/
//following macro namescheme follows cardinal relation
//1 : M
#define E_RANDR_NO_SCREEN_RET(ret) if (!e_randr_screen_info) return ret
#define E_RANDR_NO_11_RET(ret) if (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_1) || !e_randr_screen_info->rrvd_info.randr_info_11) return ret
#define E_RANDR_NO_12_RET(ret) if (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12) return ret
#define E_RANDR_NO_CRTCS_RET(ret) if (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->crtcs) return ret
#define E_RANDR_NO_OUTPUTS_RET(ret) if (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->outputs) return ret
#define E_RANDR_NO_CRTC_RET(crtc, ret) if (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->crtcs || !crtc) return ret
#define E_RANDR_NO_OUTPUT_RET(output, ret) if (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->outputs || !output) return ret
#define E_RANDR_NO_MODE_RET(mode, ret) if (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->modes || !mode) return ret
#define E_RANDR_NO_CRTC_OUTPUT_RET(crtc, output, ret) if (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->crtcs || !crtc || !e_randr_screen_info->rrvd_info.randr_info_12->outputs || !output) return ret
#define E_RANDR_NO_CRTC_OUTPUT_MODE_RET(crtc, output, mode, ret) if (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->crtcs || !crtc || !e_randr_screen_info->rrvd_info.randr_info_12->outputs || !output || !e_randr_screen_info->rrvd_info.randr_info_12->modes || !mode) return ret
#define E_RANDR_NO_11 (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_1) || !e_randr_screen_info->rrvd_info.randr_info_11)
#define E_RANDR_NO_12 (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12)
#define E_RANDR_NO_CRTCS (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->crtcs)
#define E_RANDR_NO_OUTPUTS (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->outputs)
#define E_RANDR_NO_MODES (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->modes)
#define E_RANDR_NO_CRTC(crtc) (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->crtcs || !crtc)
#define E_RANDR_NO_OUTPUT(output) (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->outputs || !output)
#define E_RANDR_NO_CRTC_OUTPUT(crtc, output) (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->crtcs || !crtc || !e_randr_screen_info->rrvd_info.randr_info_12->outputs || !output)
#define E_RANDR_NO_CRTC_OUTPUT_MODE(crtc, output, mode) (!e_randr_screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2) || !e_randr_screen_info->rrvd_info.randr_info_12 || !e_randr_screen_info->rrvd_info.randr_info_12->crtcs || !crtc || !e_randr_screen_info->rrvd_info.randr_info_12->outputs || !output || !e_randr_screen_info->rrvd_info.randr_info_12->modes || !mode)
static Eina_Bool _e_randr_init(void);
static void _e_randr_shutdown(void);
static void _e_randr_event_listeners_add(void);
static void _e_randr_event_listeners_remove(void);
static Eina_Bool _e_randr_event_cb(void *data, int type, void *e);
static E_Randr_Screen_Info *_e_randr_screen_info_new(void);
static void _e_randr_screen_info_free(E_Randr_Screen_Info *screen_info);
static E_Randr_Screen_Info_11 *_e_randr_screen_info_11_new(void);
static Eina_Bool _e_randr_screen_info_11_set(void);
static void _e_randr_screen_info_11_free(E_Randr_Screen_Info_11 *screen_info_11);
static E_Randr_Screen_Info_12 *_e_randr_screen_info_12_new(void);
static Eina_Bool _e_randr_screen_info_12_set(E_Randr_Screen_Info_12 *screen_info_12);
static void _e_randr_screen_info_12_free(E_Randr_Screen_Info_12 *screen_info_12);
static E_Randr_Output_Info *_e_randr_output_info_new(int nrequested);
static void _e_randr_output_info_free(E_Randr_Output_Info *output_info);
static E_Randr_Crtc_Info *_e_randr_crtc_info_new(int nrequested);
static void _e_randr_crtc_info_free(E_Randr_Crtc_Info *crtc_info);
static Eina_Bool _e_randr_screen_outputs_init(void);
static Eina_Bool _e_randr_screen_crtcs_init(void);
static Eina_Bool _e_randr_output_modes_add(E_Randr_Output_Info *output_info);
static void _e_randr_notify_crtc_mode_change(E_Randr_Crtc_Info *crtc_info);
static void _e_randr_notify_output_change(E_Randr_Output_Info *output_info);
static Ecore_X_Randr_Mode_Info *_e_randr_mode_info_get(Ecore_X_Randr_Mode mode);
static E_Randr_Crtc_Info *_e_randr_crtc_info_get(Ecore_X_Randr_Crtc crtc);
static E_Randr_Output_Info *_e_randr_output_info_get(Ecore_X_Randr_Output output);
static void _e_randr_output_info_set(E_Randr_Output_Info *output_info);
static Eina_Bool _e_randr_outputs_connected(Eina_List *outputs_info);
static void _e_randr_crtc_info_set(E_Randr_Crtc_Info *crtc_info);
static const E_Randr_Crtc_Info *_e_randr_policy_crtc_get(E_Randr_Crtc_Info* but, E_Randr_Crtc_Info *hint, Ecore_X_Randr_Output_Policy policy);
static Eina_Bool _e_randr_outputs_connected(Eina_List *outputs_info);
static Ecore_X_Randr_Output *_e_randr_outputs_to_array(Eina_List *outputs_info);
static int _e_randr_config_find_suiting_config_11(E_Randr_Screen_Restore_Info_11** restore_info);
static E_Randr_Screen_Restore_Info_12 * _e_randr_config_find_suiting_config_12(void);
static Eina_Bool _e_randr_config_enable_11(int size_index, Ecore_X_Randr_Refresh_Rate refresh_rate, Ecore_X_Randr_Orientation orientation);
static Eina_Bool _e_randr_config_enable_12(const E_Randr_Screen_Restore_Info_12 *restore_info);
static Eina_Bool _e_randr_try_enable_output(E_Randr_Output_Info *output_info, Eina_Bool force);
static void _e_randr_crtcs_possible_output_update(E_Randr_Output_Info *output_info);
static void _e_randr_crtc_outputs_refs_update(E_Randr_Crtc_Info *crtc_info);
static Eina_Bool _e_randr_crtc_move_policy(E_Randr_Crtc_Info *new_crtc);
static int _crtcs_size_sort_cb(const void *d1, const void *d2);
static int _outputs_size_sort_cb(const void *d1, const void *d2);
static int _modes_size_sort_cb(const void *d1, const void *d2);
static Eina_List *_e_randr_outputs_common_modes_get(Eina_List *outputs, Ecore_X_Randr_Mode_Info *max_size_mode);
static Ecore_X_Randr_Mode_Info *_e_randr_outputs_common_mode_max_get(Eina_List *outputs, Ecore_X_Randr_Mode_Info *max_size_mode);
static Ecore_X_Randr_Mode_Info *_e_randr_mode_geo_identical_find(Eina_List *modes, Ecore_X_Randr_Mode_Info *mode);
static Eina_Bool _e_randr_crtc_mode_intersects_crtcs(E_Randr_Crtc_Info *crtc_info, Ecore_X_Randr_Mode_Info *mode);
static Eina_Bool _e_randr_crtc_outputs_mode_max_set(E_Randr_Crtc_Info *crtc_info);
static Eina_Bool _e_randr_crtcs_clone_crtc_removed(E_Randr_Crtc_Info *former_clone);
static void _e_randr_screen_primary_output_assign(E_Randr_Output_Info *removed);
static void _e_randr_output_info_hw_info_set(E_Randr_Output_Info *output_info);
static void _e_randr_output_hw_info_free(E_Randr_Output_Info *output_info);
static Eina_Bool _e_randr_outputs_are_clones(E_Randr_Output_Info *output_info, Eina_List *outputs);
E_Randr_Screen_Info *e_randr_screen_info = NULL;
static Eina_List *_e_randr_event_handlers = NULL;
EINTERN Eina_Bool
e_randr_init(void)
{
return _e_randr_init();
}
EINTERN int
e_randr_shutdown(void)
{
_e_randr_shutdown();
return 1;
}
static Eina_Bool
_e_randr_init(void)
{
int n;
Ecore_X_Window *roots;
Ecore_X_Window root;
if(!(roots = ecore_x_window_root_list(&n))) return EINA_FALSE;
/* first (and only) root window */
root = roots[0];
free(roots);
if (!ecore_x_randr_query() || !(e_randr_screen_info = _e_randr_screen_info_new()))
goto ecore_x_randr_init_fail_free_screen;
if ((e_randr_screen_info->randr_version = ecore_x_randr_version_get()))
e_randr_screen_info->root = root;
if (e_randr_screen_info->randr_version == ECORE_X_RANDR_1_1)
{
if (!(e_randr_screen_info->rrvd_info.randr_info_11 = _e_randr_screen_info_11_new()))
goto ecore_x_randr_init_fail_free_screen;
_e_randr_screen_info_11_set();
//_e_randr_config_find_and_enable();
return EINA_TRUE;
}
else if (e_randr_screen_info->randr_version >= ECORE_X_RANDR_1_2)
{
if (!(e_randr_screen_info->rrvd_info.randr_info_12 = _e_randr_screen_info_12_new()))
goto ecore_x_randr_init_fail_free_screen;
_e_randr_screen_info_12_set(e_randr_screen_info->rrvd_info.randr_info_12);
_e_randr_event_listeners_add();
if (!_e_randr_screen_outputs_init())
goto ecore_x_randr_init_fail_free_screen;
if (!_e_randr_screen_crtcs_init())
goto ecore_x_randr_init_fail_free_screen;
_e_randr_screen_primary_output_assign(NULL);
return EINA_TRUE;
}
//FILO free stack in case we fail to allocate something/can't get hold of
//necessary information
ecore_x_randr_init_fail_free_screen:
if (e_randr_screen_info)
_e_randr_screen_info_free(e_randr_screen_info);
return EINA_FALSE;
}
static void
_e_randr_shutdown(void)
{
_e_randr_screen_info_free(e_randr_screen_info);
}
/**
* @param nrequeste
* @return Instance of E_Randr_Screen_Info or if memory couldn't be
* allocated NULL.
*/
static E_Randr_Screen_Info *
_e_randr_screen_info_new(void)
{
E_Randr_Screen_Info *ret = NULL;
E_Randr_Screen_Info default_info =
{
.root = Ecore_X_Randr_Unset,
.randr_version = Ecore_X_Randr_None,
.rrvd_info.randr_info_11 = NULL
};
if (!(ret = malloc(sizeof(E_Randr_Screen_Info)))) return NULL;
memcpy(ret, &default_info, sizeof(default_info));
return ret;
}
/**
* @param screen_info the screen info to free.
*/
static void
_e_randr_screen_info_free(E_Randr_Screen_Info *screen_info)
{
if ((!screen_info) || !(screen_info->rrvd_info.randr_info_11)) return;
switch (e_randr_screen_info->randr_version)
{
case ECORE_X_RANDR_1_1:
_e_randr_screen_info_11_free(screen_info->rrvd_info.randr_info_11);
break;
case ECORE_X_RANDR_1_2:
case ECORE_X_RANDR_1_3:
_e_randr_screen_info_12_free(screen_info->rrvd_info.randr_info_12);
break;
}
free(screen_info);
screen_info = NULL;
}
/**
* @return array of E_Randr_Screen_Info_11 elements, or in case not all could
* be created or parameter 'nrequested'==0, NULL
*/
static E_Randr_Screen_Info_11 *
_e_randr_screen_info_11_new(void)
{
E_Randr_Screen_Info_11 *ret = NULL;
static const E_Randr_Screen_Info_11 default_info =
{
.sizes = NULL,
.csize_index = Ecore_X_Randr_Unset,
.corientation = Ecore_X_Randr_Unset,
.orientations = Ecore_X_Randr_Unset,
.rates = NULL,
.current_rate = Ecore_X_Randr_Unset
};
if (!(ret = malloc(sizeof(E_Randr_Screen_Info_11)))) return NULL;
ret = memcpy(ret, &default_info, sizeof(default_info));
return ret;
}
/**
* @param screen_info the screen info to be freed.
*/
static void
_e_randr_screen_info_11_free(E_Randr_Screen_Info_11 *screen_info)
{
if (!screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_1))
return;
if (screen_info->sizes)
{
free(eina_list_nth(screen_info->sizes, 0));
eina_list_free(screen_info->sizes);
}
if (screen_info->rates)
{
free(eina_list_nth(screen_info->rates, 0));
eina_list_free(screen_info->rates);
}
free(screen_info);
screen_info = NULL;
}
/**
* @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 *
_e_randr_screen_info_12_new(void)
{
E_Randr_Screen_Info_12 *ret = NULL;
static const E_Randr_Screen_Info_12 default_info =
{
.min_size = {Ecore_X_Randr_Unset, Ecore_X_Randr_Unset},
.max_size = {Ecore_X_Randr_Unset, Ecore_X_Randr_Unset},
.current_size = {Ecore_X_Randr_Unset, Ecore_X_Randr_Unset},
.crtcs = NULL,
.outputs = NULL,
.primary_output = NULL,
.output_policy = ECORE_X_RANDR_OUTPUT_POLICY_NONE,
.alignment = ECORE_X_RANDR_RELATIVE_ALIGNMENT_NONE
};
if (!(ret = malloc(sizeof(E_Randr_Screen_Info_12)))) return NULL;
ret = memcpy(ret, &default_info, sizeof(default_info));
return ret;
}
static Eina_Bool
_e_randr_screen_info_12_set(E_Randr_Screen_Info_12 *screen_info)
{
E_RANDR_NO_12_RET(EINA_FALSE);
ecore_x_randr_screen_size_range_get(e_randr_screen_info->root,
&screen_info->min_size.width,
&screen_info->min_size.height,
&screen_info->max_size.width ,
&screen_info->max_size.height);
ecore_x_randr_screen_current_size_get(e_randr_screen_info->root,
&screen_info->current_size.width ,
&screen_info->current_size.height ,
NULL, NULL);
return EINA_TRUE;
}
static Eina_Bool
_e_randr_screen_info_11_set(void)
{
E_RANDR_NO_11_RET(EINA_FALSE);
E_Randr_Screen_Info_11 *screen_info_11 = e_randr_screen_info->rrvd_info.randr_info_11;
Ecore_X_Randr_Screen_Size_MM *sizes = NULL;
Ecore_X_Randr_Refresh_Rate *rates = NULL;
Eina_List *rates_list;
int i, j, nsizes, nrates;
if (!(sizes = ecore_x_randr_screen_primary_output_sizes_get(e_randr_screen_info->root, &nsizes)))
return EINA_FALSE;
for (i = 0; i < nsizes; i++)
if (!(screen_info_11->sizes = eina_list_append(screen_info_11->sizes, &sizes[i])))
goto _e_randr_screen_info_11_fill_fail_sizes;
ecore_x_randr_screen_primary_output_current_size_get(e_randr_screen_info->root, NULL, NULL, NULL, NULL, &(screen_info_11->csize_index));
screen_info_11->corientation = ecore_x_randr_screen_primary_output_orientation_get(e_randr_screen_info->root);
screen_info_11->orientations = ecore_x_randr_screen_primary_output_orientations_get(e_randr_screen_info->root);
for (i = 0; i < nsizes; i++)
{
rates_list = NULL;
if (!(rates = ecore_x_randr_screen_primary_output_refresh_rates_get(e_randr_screen_info->root, i, &nrates)))
return EINA_FALSE;
for (j = 0; j < nrates; j++)
if (!(rates_list = eina_list_append(rates_list, &rates[j])))
goto _e_randr_screen_info_11_fill_fail_rates_list;
if (!(screen_info_11->rates = eina_list_append(screen_info_11->rates, rates_list)))
goto _e_randr_screen_info_11_fill_fail_rates;
}
screen_info_11->current_rate = ecore_x_randr_screen_primary_output_current_refresh_rate_get(e_randr_screen_info->root);
return EINA_TRUE;
_e_randr_screen_info_11_fill_fail_rates_list:
eina_list_free(rates_list);
_e_randr_screen_info_11_fill_fail_rates:
free(rates);
_e_randr_screen_info_11_fill_fail_sizes:
free(sizes);
free(screen_info_11);
return EINA_FALSE;
}
/**
* @param screen_info the screen info to be freed.
*/
static void
_e_randr_screen_info_12_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;
if (!screen_info || (e_randr_screen_info->randr_version < ECORE_X_RANDR_1_2)) return;
if (e_randr_screen_info->randr_version >= ECORE_X_RANDR_1_2 && screen_info->crtcs)
{
EINA_LIST_FREE(screen_info->crtcs, crtc_info)
_e_randr_crtc_info_free(crtc_info);
free(eina_list_nth(screen_info->crtcs, 0));
}
if (e_randr_screen_info->randr_version >= ECORE_X_RANDR_1_2 && screen_info->outputs)
{
EINA_LIST_FREE(screen_info->outputs, output_info)
_e_randr_output_info_free(output_info);
free(eina_list_nth(screen_info->outputs, 0));
}
if (e_randr_screen_info->randr_version >= ECORE_X_RANDR_1_2 && screen_info->modes)
{
EINA_LIST_FREE(screen_info->modes, mode_info)
ecore_x_randr_mode_info_free(mode_info);
}
_e_randr_event_listeners_remove();
free (screen_info);
screen_info = NULL;
}
/**
* @brief allocates structs with and fills them with default values. The
* returned pointer is allocated as one chunk of data since it won't change.
* @param nrequested number of E_Randr_Crtc_Info to be created
* @return array of E_Randr_Crtc_Info elements, or in case not all could
* be created or parameter 'nrequested'==0, NULL
*/
static E_Randr_Crtc_Info *
_e_randr_crtc_info_new(int nrequested)
{
E_Randr_Crtc_Info *ret = NULL;
static E_Randr_Crtc_Info default_info =
{
.xid = Ecore_X_Randr_Unset,
.geometry = {Ecore_X_Randr_Unset, Ecore_X_Randr_Unset, Ecore_X_Randr_Unset, Ecore_X_Randr_Unset},
.panning = {Ecore_X_Randr_Unset, Ecore_X_Randr_Unset, Ecore_X_Randr_Unset, Ecore_X_Randr_Unset},
.tracking = {Ecore_X_Randr_Unset, Ecore_X_Randr_Unset, Ecore_X_Randr_Unset, Ecore_X_Randr_Unset},
.border = {Ecore_X_Randr_Unset, Ecore_X_Randr_Unset, Ecore_X_Randr_Unset, Ecore_X_Randr_Unset},
.current_orientation = ECORE_X_RANDR_ORIENTATION_ROT_0,
.orientations = Ecore_X_Randr_Unset,
.gamma_ramps = NULL,
.gamma_ramp_size = Ecore_X_Randr_Unset,
.outputs = NULL,
.possible_outputs = NULL
};
if (!(ret = malloc(sizeof(E_Randr_Crtc_Info) * nrequested))) return NULL;
while (nrequested > 0)
{
memcpy(&ret[--nrequested], &default_info, sizeof(default_info));
}
return ret;
}
/**
* @param crtc_info the crtc info to be freed.
*/
static void
_e_randr_crtc_info_free(E_Randr_Crtc_Info *crtc_info)
{
if (!crtc_info) return;
if (crtc_info->gamma_ramps) free(crtc_info->gamma_ramps);
if (crtc_info->outputs) eina_list_free(crtc_info->outputs);
if (crtc_info->possible_outputs) eina_list_free(crtc_info->possible_outputs);
}
/**
* @brief allocates structs with and fills them with default values. The
* returned pointer is allocated as one chunk of data since it won't change.
* @param nrequested number of E_Randr_Output_Info to be created
* @return E_Randr_Output_Info element, or it could not be
* created, NULL
*/
static E_Randr_Output_Info *
_e_randr_output_info_new(int nrequested)
{
E_Randr_Output_Info *ret = NULL;
static E_Randr_Output_Info default_info =
{
.xid = Ecore_X_Randr_Unset,
.name = NULL,
.crtc = NULL,
.possible_crtcs = NULL,
.preferred_modes = NULL,
.max_backlight = Ecore_X_Randr_Unset,
.backlight_level = 0.0,
.edid = NULL,
.edid_length = 0,
.size_mm = {Ecore_X_Randr_Unset, Ecore_X_Randr_Unset},
.wired_clones = NULL,
.signalformats = Ecore_X_Randr_Unset,
.signalformat = Ecore_X_Randr_Unset,
.connector_number = Ecore_X_Randr_Unset,
.connector_type = Ecore_X_Randr_Unset,
.connection_status = ECORE_X_RANDR_CONNECTION_STATUS_DISCONNECTED,
.subpixel_order= Ecore_X_Randr_Unset,
.compatible_outputs = NULL
};
if (!(ret = malloc(sizeof(E_Randr_Output_Info) * nrequested))) return NULL;
while (nrequested > 0)
{
memcpy(&ret[--nrequested], &default_info, sizeof(default_info));
}
return ret;
}
/*
* removes all traces of an output within the data.
* @param output_info the output info to be freed.
*/
static void
_e_randr_output_info_free(E_Randr_Output_Info *output_info)
{
Eina_List *iter;
E_Randr_Crtc_Info *crtc_info;
if (!output_info) return;
if (output_info->name)
{
free(output_info->name);
output_info->name = NULL;
}
_e_randr_output_hw_info_free(output_info);
EINA_LIST_FOREACH(e_randr_screen_info->rrvd_info.randr_info_12->crtcs, iter, crtc_info)
{
crtc_info->outputs = eina_list_remove(crtc_info->outputs, output_info);
}
}
static void
_e_randr_output_info_set(E_Randr_Output_Info *output_info)
{
if (E_RANDR_NO_12 || !output_info) return;
output_info->name = ecore_x_randr_output_name_get(e_randr_screen_info->root, output_info->xid, &output_info->name_length);
output_info->connection_status = ecore_x_randr_output_connection_status_get(e_randr_screen_info->root, output_info->xid);
}
/*
* fills a given crtc_info using its xid with
* - geometry data (x,y,w,h)
* - used outputs structs
* - possible outputs structs
* - mode
* - connection status
* - orientation
*/
static void
_e_randr_crtc_info_set(E_Randr_Crtc_Info *crtc_info)
{
Ecore_X_Randr_Mode mode = 0;
fprintf(stderr, "Fillng CRTC %d (%p)\n", crtc_info->xid, crtc_info);
if (E_RANDR_NO_12 || !crtc_info) return;
//get references to used and possible E_Randr_Output_Info structs
_e_randr_crtc_outputs_refs_update(crtc_info);
ecore_x_randr_crtc_geometry_get(e_randr_screen_info->root, crtc_info->xid, &crtc_info->geometry.x, &crtc_info->geometry.y, &crtc_info->geometry.w, &crtc_info->geometry.h);
mode = ecore_x_randr_crtc_mode_get(e_randr_screen_info->root, crtc_info->xid);
crtc_info->current_mode = _e_randr_mode_info_get(mode);
fprintf(stderr, "CRTC %d apparently is in mode %d, trying to find it in the list of modes..\n", crtc_info->xid, mode);
if (crtc_info->current_mode)
fprintf(stderr, "found CRTC %d in mode %d\n", crtc_info->xid, crtc_info->current_mode->xid);
crtc_info->current_orientation = ecore_x_randr_crtc_orientation_get(e_randr_screen_info->root, crtc_info->xid);
}
/*
* looks up modes supported by an output and adds them - if they are not already
* known by - to the screen's information struct ant the output_info itself
*/
static Eina_Bool
_e_randr_output_modes_add(E_Randr_Output_Info *output_info)
{
Ecore_X_Randr_Mode *modes;
Ecore_X_Randr_Mode_Info *mode_info;
int nmodes, npreferred;
Eina_List *iter;
Eina_Bool added_yet = EINA_FALSE;
if (E_RANDR_NO_12 || !(modes = ecore_x_randr_output_modes_get(e_randr_screen_info->root, output_info->xid, &nmodes, &npreferred))) return EINA_FALSE;
while (--nmodes >= 0)
{
added_yet = EINA_FALSE;
EINA_LIST_FOREACH(e_randr_screen_info->rrvd_info.randr_info_12->modes, iter, mode_info)
{
if (mode_info && mode_info->xid == modes[nmodes])
{
added_yet = EINA_TRUE;
break;
}
}
if(!added_yet)
{
mode_info = ecore_x_randr_mode_info_get(e_randr_screen_info->root, modes[nmodes]);
e_randr_screen_info->rrvd_info.randr_info_12->modes = eina_list_append(e_randr_screen_info->rrvd_info.randr_info_12->modes, mode_info);
}
output_info->modes = eina_list_append(output_info->modes, mode_info);
if (nmodes < npreferred) output_info->preferred_modes = eina_list_append(output_info->preferred_modes, mode_info);
}
free(modes);
return EINA_TRUE;
}
static Eina_Bool
_e_randr_screen_crtcs_init(void)
{
Ecore_X_Randr_Crtc *crtcs = NULL;
E_Randr_Crtc_Info *crtcs_info = NULL, *crtc = NULL;
int i, ncrtcs;
if (E_RANDR_NO_12 || !(crtcs = ecore_x_randr_crtcs_get(e_randr_screen_info->root, &ncrtcs))) return EINA_FALSE;
if (!(crtcs_info = _e_randr_crtc_info_new(ncrtcs))) goto ecore_x_randr_screen_crtcs_init_fail_free_crtcs;
for (i = 0; i < ncrtcs; i++)
{
fprintf (stderr, "E_RANDR: filling %d/%d (%d)\n", (i + 1), ncrtcs, crtcs[i]);
crtcs_info[i].xid = crtcs[i];
_e_randr_crtc_info_set(&crtcs_info[i]);
if(!(e_randr_screen_info->rrvd_info.randr_info_12->crtcs = eina_list_append(e_randr_screen_info->rrvd_info.randr_info_12->crtcs, &crtcs_info[i]))) break;
}
if (i == ncrtcs)
{
//successfully initialized crtcs!
free (crtcs);
return EINA_TRUE;
}
EINA_LIST_FREE(e_randr_screen_info->rrvd_info.randr_info_12->crtcs, crtc)
_e_randr_crtc_info_free(crtc);
if (e_randr_screen_info->rrvd_info.randr_info_12->crtcs)
{
free(eina_list_nth(e_randr_screen_info->rrvd_info.randr_info_12->crtcs, 0));
}
ecore_x_randr_screen_crtcs_init_fail_free_crtcs:
free(crtcs);
return EINA_FALSE;
}
static Eina_Bool
_e_randr_screen_outputs_init(void)
{
Ecore_X_Randr_Output *outputs;
E_Randr_Output_Info *outputs_info = NULL, *output_info = NULL;
int noutputs = 0;
if (E_RANDR_NO_12 || !(outputs = ecore_x_randr_outputs_get(e_randr_screen_info->root, &noutputs))) return EINA_FALSE;
if (!(outputs_info = _e_randr_output_info_new(noutputs))) goto _e_randr_screen_outputs_init_fail_free_outputs;
while (--noutputs >= 0)
{
outputs_info[noutputs].xid = outputs[noutputs];
_e_randr_output_info_set(&outputs_info[noutputs]);
outputs_info[noutputs].connection_status = ecore_x_randr_output_connection_status_get(e_randr_screen_info->root, outputs_info[noutputs].xid);
if (outputs_info[noutputs].connection_status == ECORE_X_RANDR_CONNECTION_STATUS_CONNECTED)
_e_randr_output_info_hw_info_set(&outputs_info[noutputs]);
if (!(e_randr_screen_info->rrvd_info.randr_info_12->outputs = eina_list_append(e_randr_screen_info->rrvd_info.randr_info_12->outputs, &outputs_info[noutputs]))) goto _e_randr_screen_outputs_init_fail_free_outputs_list;
}
free(outputs);
return EINA_TRUE;
_e_randr_screen_outputs_init_fail_free_outputs_list:
if (e_randr_screen_info->rrvd_info.randr_info_12->outputs)
{
EINA_LIST_FREE(e_randr_screen_info->rrvd_info.randr_info_12->outputs, output_info)
free(output_info);
}
_e_randr_screen_outputs_init_fail_free_outputs:
free(outputs);
return EINA_FALSE;
}
static Ecore_X_Randr_Mode_Info*
_e_randr_mode_info_get(Ecore_X_Randr_Mode mode)
{
Eina_List *iter;
Ecore_X_Randr_Mode_Info* mode_info;
E_RANDR_NO_MODE_RET(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;
}
static E_Randr_Output_Info*
_e_randr_output_info_get(Ecore_X_Randr_Output output)
{
Eina_List *iter;
E_Randr_Output_Info* output_info;
E_RANDR_NO_OUTPUTS_RET(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;
}
static E_Randr_Crtc_Info*
_e_randr_crtc_info_get(Ecore_X_Randr_Crtc crtc)
{
Eina_List *iter;
E_Randr_Crtc_Info* crtc_info;
E_RANDR_NO_CRTCS_RET(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;
}
static Eina_Bool
_e_randr_event_cb(void *data __UNUSED__, int type, void *ev)
{
E_Randr_Crtc_Info *crtc_info;
Eina_Bool enabled;
if (!e_randr_screen_info) return ECORE_CALLBACK_RENEW;
if (type == ECORE_X_EVENT_RANDR_CRTC_CHANGE)
{
Ecore_X_Event_Randr_Crtc_Change *event = (Ecore_X_Event_Randr_Crtc_Change*) ev;
/* available information:
struct _Ecore_X_Event_Randr_Crtc_Change
{
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;
};
*/
crtc_info = _e_randr_crtc_info_get(event->crtc);
if (!crtc_info) goto on_exit;
if (event->mode != Ecore_X_Randr_None)
{
//switched (on)
if ((crtc_info->current_mode != _e_randr_mode_info_get(event->mode)))
{
crtc_info->current_mode = _e_randr_mode_info_get(event->mode);
_e_randr_notify_crtc_mode_change(crtc_info);
}
else
crtc_info->current_mode = _e_randr_mode_info_get(event->mode);
crtc_info->current_orientation = event->orientation;
crtc_info->geometry.x = event->geo.x;
crtc_info->geometry.y = event->geo.y;
crtc_info->geometry.w = event->geo.w;
crtc_info->geometry.h = event->geo.h;
//update screensize if necessary
e_randr_screen_info->rrvd_info.randr_info_12->current_size.width = MAX((event->geo.x + event->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((event->geo.y + event->geo.h), e_randr_screen_info->rrvd_info.randr_info_12->current_size.height);
}
else
{
//set the max mode common amongst outputs
_e_randr_crtcs_clone_crtc_removed(crtc_info);
//disabled
crtc_info->current_orientation = event->orientation;
crtc_info->geometry.x = 0;
crtc_info->geometry.y = 0;
crtc_info->geometry.w = 0;
crtc_info->geometry.h = 0;
crtc_info->current_mode = NULL;
if (crtc_info->outputs) eina_list_free(crtc_info->outputs);
crtc_info->outputs = NULL;
//update screensize of necessary
ecore_x_randr_screen_reset(e_randr_screen_info->root);
ecore_x_randr_screen_current_size_get(e_randr_screen_info->root, &e_randr_screen_info->rrvd_info.randr_info_12->current_size.width, &e_randr_screen_info->rrvd_info.randr_info_12->current_size.height, NULL, NULL);
}
}
else if (type == ECORE_X_EVENT_RANDR_OUTPUT_CHANGE)
{
Ecore_X_Event_Randr_Output_Change *event = ev;
const E_Randr_Screen_Restore_Info_12 *restore_info;
E_Randr_Output_Info* output_info = NULL;
/* available information:
struct _Ecore_X_Event_Randr_Output_Change
{
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;
};
*/
fprintf(stderr, "E_RANDR: Output connected!: \n \
E_RANDR: relative to win: %d\n \
E_RANDR: relative to output: %d\n \
E_RANDR: relative to crtc: %d\n \
E_RANDR: relative to mode: %d\n \
E_RANDR: relative to orientation: %d\n \
E_RANDR: relative to connction: %d (connected = %d, disconnected = %d, unknown %d)\n \
E_RANDR: relative to subpixel_order: %d\n",
event->win, event->output, event->crtc, event->mode, event->orientation, event->connection, ECORE_X_RANDR_CONNECTION_STATUS_CONNECTED, ECORE_X_RANDR_CONNECTION_STATUS_DISCONNECTED, ECORE_X_RANDR_CONNECTION_STATUS_UNKNOWN, event->subpixel_order);
output_info = _e_randr_output_info_get(event->output);
if (!output_info) goto on_exit;
if ((output_info->crtc = _e_randr_crtc_info_get(event->crtc)))
{
if (!eina_list_data_find(output_info->crtc->outputs, output_info))
output_info->crtc->outputs = eina_list_append(output_info->crtc->outputs, output_info);
}
output_info->connection_status = event->connection;
output_info->subpixel_order = event->subpixel_order;
if (event->connection == ECORE_X_RANDR_CONNECTION_STATUS_CONNECTED)
{
if (event->crtc)
output_info->crtc = _e_randr_crtc_info_get(event->crtc);
if (output_info && !output_info->crtc && !event->crtc && !event->mode)
{
//Monitor was attached!
_e_randr_output_info_hw_info_set(output_info);
//make the crtcs aware of their possibly new output
_e_randr_crtcs_possible_output_update(output_info);
if ((restore_info = _e_randr_config_find_suiting_config_12()))
//maybe we have a suiting configuration
//_e_randr_config_enable_12(restore_info);
;
else
enabled = _e_randr_try_enable_output(output_info, EINA_FALSE); //maybe give a success message?
}
_e_randr_notify_output_change(output_info);
}
else if (event->connection == ECORE_X_RANDR_CONNECTION_STATUS_DISCONNECTED)
{
if (output_info->crtc)
{
//remove output from CRTC
output_info->crtc->outputs = eina_list_remove(output_info->crtc->outputs, output_info);
if (output_info->crtc->current_mode)
{
//in case this output was enabled on some CRTC
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);
//crop the screen of course.
ecore_x_randr_screen_reset(e_randr_screen_info->root);
}
else
_e_randr_crtc_outputs_mode_max_set(output_info->crtc);
}
if (e_randr_screen_info->rrvd_info.randr_info_12->primary_output && (output_info == e_randr_screen_info->rrvd_info.randr_info_12->primary_output))
_e_randr_screen_primary_output_assign(output_info);
//let's try to get a proper config for the new setup and crop the
//screen afterwards.
if ((restore_info = _e_randr_config_find_suiting_config_12()))
{
//in case we didn't have, init it anyway...
//_e_randr_config_enable_12(restore_info);
}
}
_e_randr_notify_output_change(output_info);
_e_randr_output_hw_info_free(output_info);
}
}
else if (type == ECORE_X_EVENT_RANDR_OUTPUT_PROPERTY_NOTIFY)
{
//Ecore_X_Event_Randr_Output_Property_Notify *event = (Ecore_X_Event_Randr_Output_Property_Notify*) ev;
/* available information:
struct _Ecore_X_Event_Randr_Output_Property_Notify
{
Ecore_X_Window win;
Ecore_X_Randr_Output output;
Ecore_X_Atom property;
Ecore_X_Time time;
Ecore_X_Randr_Property_Change state;
};
*/
}
on_exit:
return ECORE_CALLBACK_RENEW;
}
static void
_e_randr_event_listeners_add(void)
{
if (E_RANDR_NO_12) return;
ecore_x_randr_events_select(e_randr_screen_info->root, EINA_TRUE);
_e_randr_event_handlers= eina_list_append(_e_randr_event_handlers, ecore_event_handler_add(ECORE_X_EVENT_RANDR_CRTC_CHANGE, _e_randr_event_cb, NULL));
_e_randr_event_handlers= eina_list_append(_e_randr_event_handlers, ecore_event_handler_add(ECORE_X_EVENT_RANDR_OUTPUT_CHANGE, _e_randr_event_cb, NULL));
_e_randr_event_handlers= eina_list_append(_e_randr_event_handlers, ecore_event_handler_add(ECORE_X_EVENT_RANDR_OUTPUT_PROPERTY_NOTIFY, _e_randr_event_cb, NULL));
}
static void
_e_randr_event_listeners_remove(void)
{
Ecore_Event_Handler *_event_handler = NULL;
EINA_LIST_FREE(_e_randr_event_handlers, _event_handler)
ecore_event_handler_del(_event_handler);
}
static void
_e_randr_notify_crtc_mode_change(E_Randr_Crtc_Info *crtc_info)
{
// E_Notification *n;
// char buff[200];
//
if (crtc_info->current_mode)
{
// snprintf(buff, 200, "New resolution is %dx%d. Click here for further information.", crtc_info->current_mode->width, crtc_info->current_mode->height);
// n = e_notification_full_new("RandRR", crtc_info->xid, NULL, "Resolution changed", buff, -1);
// //n = e_notification_full_new("RandRR", id, icon, function, body, timeout);
// e_notification_send(n, NULL, NULL);
// e_notification_unref(n);
}
}
static void
_e_randr_notify_output_change(E_Randr_Output_Info *output_info)
{
// E_Notification *n;
// char buff[100];
if (output_info->connection_status == ECORE_X_RANDR_CONNECTION_STATUS_CONNECTED)
{
// snprintf(buff, 100, "Output %s connected", output_info->name);
// n = e_notification_full_new("RandRR", output_info->xid, NULL, buff, "Click here for further information.", -1);
}
else
{
// snprintf(buff, 100, "Output %s disconnected", output_info->name);
// n = e_notification_full_new("RandRR", output_info->xid, NULL, buff, "Click here to adjust screen setup.", -1);
}
// //n = e_notification_full_new("RandRR", id, icon, function, body, timeout);
// e_notification_send(n, NULL, NULL);
// e_notification_unref(n);
}
/*
* this retrieves a CRTC depending on a policy.
* Note that this is enlightenment specific! Enlightenment doesn't 'allow' zones
* to overlap. Thus we always use the output with the most extreme position
* instead of trying to fill gaps like tetris. Though this could be done by
* simply implementing another policy.
*/
static const E_Randr_Crtc_Info*
_e_randr_policy_crtc_get(E_Randr_Crtc_Info *but, E_Randr_Crtc_Info *hint __UNUSED__, Ecore_X_Randr_Output_Policy policy)
{
Eina_List *iter;
E_Randr_Crtc_Info *crtc_info, *ret = NULL;
E_RANDR_NO_CRTCS_RET(NULL);
//get any crtc that besides 'but' to start with
EINA_LIST_FOREACH(e_randr_screen_info->rrvd_info.randr_info_12->crtcs, iter, crtc_info)
{
if (crtc_info != but)
{
ret = crtc_info;
break;
}
}
if (!ret && (policy != ECORE_X_RANDR_OUTPUT_POLICY_CLONE)) return NULL;
switch (policy)
{
case ECORE_X_RANDR_OUTPUT_POLICY_ABOVE:
EINA_LIST_FOREACH(e_randr_screen_info->rrvd_info.randr_info_12->crtcs, iter, crtc_info)
{
if (crtc_info && (crtc_info != but) && (crtc_info->geometry.y <= ret->geometry.y))
{
ret = crtc_info;
}
}
break;
case ECORE_X_RANDR_OUTPUT_POLICY_RIGHT:
EINA_LIST_FOREACH(e_randr_screen_info->rrvd_info.randr_info_12->crtcs, iter, crtc_info)
{
if (crtc_info && (crtc_info != but) && ((crtc_info->geometry.x + crtc_info->geometry.w) >= (ret->geometry.x + ret->geometry.w)))
{
ret = crtc_info;
}
}
break;
case ECORE_X_RANDR_OUTPUT_POLICY_BELOW:
EINA_LIST_FOREACH(e_randr_screen_info->rrvd_info.randr_info_12->crtcs, iter, crtc_info)
{
if (crtc_info && (crtc_info != but) && ((crtc_info->geometry.y + crtc_info->geometry.h) >= (ret->geometry.y + ret->geometry.h)))
{
ret = crtc_info;
}
}
break;
case ECORE_X_RANDR_OUTPUT_POLICY_LEFT:
EINA_LIST_FOREACH(e_randr_screen_info->rrvd_info.randr_info_12->crtcs, iter, crtc_info)
{
if (crtc_info && (crtc_info != but) && (crtc_info->geometry.x <= ret->geometry.x))
{
ret = crtc_info;
}
}
break;
case ECORE_X_RANDR_OUTPUT_POLICY_CLONE:
ret = (e_randr_screen_info->rrvd_info.randr_info_12->primary_output) ? e_randr_screen_info->rrvd_info.randr_info_12->primary_output->crtc : NULL;
break;
default:
break;
}
return ret;
}
static Eina_Bool
_e_randr_outputs_connected(Eina_List *outputs_info)
{
Eina_List *iter;
E_Randr_Output_Info *output_info;
EINA_LIST_FOREACH(outputs_info, iter, output_info)
if (output_info->connection_status == ECORE_X_RANDR_CONNECTION_STATUS_CONNECTED) return EINA_TRUE;
return EINA_FALSE;
}
static Eina_Bool
_e_randr_config_enable_11(int size_index, Ecore_X_Randr_Refresh_Rate refresh_rate, Ecore_X_Randr_Orientation orientation)
{
E_Randr_Screen_Info_11 *current_info_11;
if (E_RANDR_NO_11 || (size_index < 0) || (refresh_rate < 0) || (orientation < 0)) return EINA_FALSE;
if (!ecore_x_randr_screen_primary_output_size_set(e_randr_screen_info->root, size_index)
|| !ecore_x_randr_screen_primary_output_orientation_set(e_randr_screen_info->root, orientation)
|| !ecore_x_randr_screen_primary_output_refresh_rate_set(e_randr_screen_info->root, size_index, refresh_rate)) return EINA_FALSE;
//TODO: move this to the screen event later.
current_info_11 = e_randr_screen_info->rrvd_info.randr_info_11;
current_info_11->csize_index = size_index;
current_info_11->corientation = orientation;
current_info_11->current_rate = refresh_rate;
return EINA_TRUE;
}
static Eina_Bool
_e_randr_config_enable_12(const E_Randr_Screen_Restore_Info_12 *restore_info __UNUSED__)
{
/*
if (E_RANDR_NO_12 || !restore_info) return EINA_FALSE;
E_Randr_Screen_Info_12 *current_info_12;
E_Randr_Screen_Restore_Info_12 *restore_info_12 = NULL;
E_Randr_Crtc_Restore_Info *crtc_restore_info = NULL;
E_Randr_Crtc_Info *crtc_info;
E_Randr_Output_Info *output_info;
Eina_List *crtc_restore_iter;
current_info_12 = (e_randr_screen_info->rrvd_info).randr_info_12;
EINA_LIST_FOREACH(restore_info_12->crtcs, crtc_restore_iter, crtc_restore_info)
{
;
}
current_info_12->alignment = restore_info_12->alignment;
current_info_12->output_policy = restore_info_12->output_policy;
return EINA_TRUE;
*/
return EINA_FALSE;
}
static int
_e_randr_config_find_suiting_config_11(E_Randr_Screen_Restore_Info_11 **restore_info)
{
E_RANDR_NO_11_RET(Ecore_X_Randr_None);
Eina_List *cfg_screen_restore_info_iter;
E_Randr_Screen_Restore_Info *screen_restore_info;
E_Randr_Screen_Restore_Info_11 *restore_info_11;
Ecore_X_Randr_Screen_Size_MM *sizes;
Ecore_X_Randr_Refresh_Rate *rates = NULL;
int i = 0, j = 0, nsizes = 0, nrates = 0;
EINA_LIST_FOREACH(e_config->screen_info, cfg_screen_restore_info_iter, screen_restore_info)
{
/* 'screen_restore_info' should _never_ be NULL, since this functions shouldn't be called due to randr init failing. */
if (!screen_restore_info) continue;
if (screen_restore_info->randr_version != ECORE_X_RANDR_1_1) continue;
restore_info_11 = screen_restore_info->rrvd_restore_info.restore_info_11;
if((sizes = ecore_x_randr_screen_primary_output_sizes_get(e_randr_screen_info->root, &nsizes)))
{
for (i = 0; i < nsizes; i++)
{
if ((restore_info_11->size.width == sizes[i].width)
&& (restore_info_11->size.height == sizes[i].height))
{
if ((rates = ecore_x_randr_screen_primary_output_refresh_rates_get(e_randr_screen_info->root, i, &nrates)))
{
for (j = 0; j < nrates; j++)
if (rates[j] == restore_info_11->refresh_rate)
{
if (restore_info) *restore_info = restore_info_11;
free(rates);
free(sizes);
return i;
}
free(rates);
}
}
}
if (sizes) free(sizes);
}
}
return Ecore_X_Randr_Unset;
}
/**
* @Brief find configuration with the most hardware currently available
*/
static E_Randr_Screen_Restore_Info_12 *
_e_randr_config_find_suiting_config_12(void)
{
//TODO: write geometry based loading
/*
Eina_List *cfg_screen_restore_info_iter;
E_Randr_Screen_Restore_Info *screen_restore_info;
E_Randr_Screen_Info_12 *current_info_12;
E_Randr_Screen_Restore_Info_12 *restore_info_12, *most_matches = NULL;
E_Randr_Output_Info *output_info;
E_Randr_Crtc_Restore_Info *crtc_restore_info;
Ecore_X_Randr_Output *outputs_xids;
Ecore_X_Randr_Crtc *crtcs_xids;
Eina_List *restore_info_12_iter, *output_iter, *restore_crtcs_iter;
if (e_randr_screen_info && e_config && e_config->screen_info)
{
EINA_LIST_FOREACH(e_config->screen_info, cfg_screen_restore_info_iter, screen_restore_info)
{
if (screen_restore_info->randr_version < ECORE_X_RANDR_1_2) continue;
//HINT: use eina_list_clone and a sort callback to find proper
//crtcs and outputs
//current_info_12 = e_randr_screen_info->rrvd_info.randr_info_12;
}
}
*/
return NULL;
}
static Ecore_X_Randr_Output *
_e_randr_outputs_to_array(Eina_List *outputs_info)
{
Ecore_X_Randr_Output *ret = NULL;
E_Randr_Output_Info *output_info;
Eina_List *output_iter;
int i = 0;
if (!outputs_info || !(ret = malloc(sizeof(Ecore_X_Randr_Output) * eina_list_count(outputs_info)))) return NULL;
EINA_LIST_FOREACH(outputs_info, output_iter, output_info)
/* output_info == NULL should _not_ be possible! */
ret[i++] = output_info ? output_info->xid : Ecore_X_Randr_None;
return ret;
}
/*
* 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).
*/
static Eina_Bool
_e_randr_try_enable_output(E_Randr_Output_Info *output_info, Eina_Bool force)
{
if (!output_info) return EINA_FALSE;
else if (output_info->crtc && output_info->crtc->current_mode) return EINA_TRUE;
Eina_List *iter, *outputs_list = NULL;
E_Randr_Crtc_Info *crtc_info, *usable_crtc = NULL;
E_Randr_Output_Info *primary_output;
Ecore_X_Randr_Output *outputs;
Ecore_X_Randr_Mode_Info *mode_info;
Eina_Bool ret = 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 && (!crtc_info->current_mode || 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 (e_randr_screen_info->rrvd_info.randr_info_12->output_policy)
{
case ECORE_X_RANDR_OUTPUT_POLICY_NONE:
return EINA_TRUE;
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.
*/
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->modes, primary_output->crtc->current_mode))
{
/*
* mode currently used by primary output's CRTC is also supported by the new output
*/
if (_e_randr_outputs_are_clones(output_info, primary_output->crtc->outputs))
{
/*
* 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 = eina_list_clone(primary_output->crtc->outputs);
outputs_list = eina_list_append(outputs_list, output_info);
outputs = _e_randr_outputs_to_array(outputs_list);
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);
return (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));
}
}
else
{
/*
* 2b. geometrically identical mode
*/
if (primary_output->crtc && (mode_info = _e_randr_mode_geo_identical_find(output_info->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);
return (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));
}
/*
* 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)
{
if((mode_info = _e_randr_outputs_common_mode_max_get(outputs_list, primary_output->crtc->current_mode)))
{
fprintf(stderr, "Will try to set mode: %dx%d for primary and clone.\n", 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 = (ret && ecore_x_randr_crtc_mode_set(e_randr_screen_info->root, usable_crtc->xid, &output_info->xid, 1, mode_info->xid));
ret = (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
fprintf(stderr, "Couldn't get primary output!\n");
/*
* 4. FAIL
*/
break;
default:
if ((usable_crtc && (!usable_crtc->current_mode)) || force)
{
//enable and position according to used policies
mode_info = ((Ecore_X_Randr_Mode_Info*)eina_list_nth(output_info->preferred_modes, 0));
if((ret = ecore_x_randr_crtc_mode_set(e_randr_screen_info->root, usable_crtc->xid, &output_info->xid, 1, mode_info->xid)))
{
usable_crtc->geometry.w = mode_info->width;
usable_crtc->geometry.h = mode_info->height;
usable_crtc->geometry.x = 0;
usable_crtc->geometry.y = 0;
ret &= _e_randr_crtc_move_policy(usable_crtc);
}
}
}
ecore_x_randr_screen_reset(e_randr_screen_info->root);
return ret;
}
/*
* updates all crtcs information regarding a new output
*/
static void
_e_randr_crtcs_possible_output_update(E_Randr_Output_Info *output_info)
{
Eina_List *iter;
E_Randr_Crtc_Info *crtc_info;
Ecore_X_Randr_Output *outputs = NULL;
int noutputs = 0;
EINA_LIST_FOREACH(e_randr_screen_info->rrvd_info.randr_info_12->crtcs, iter, crtc_info)
{
if (!eina_list_data_find(crtc_info->possible_outputs, output_info))
{
if ((outputs = ecore_x_randr_crtc_possible_outputs_get(e_randr_screen_info->root, crtc_info->xid, &noutputs)))
{
while (--noutputs >= 0)
{
if (outputs[noutputs] == output_info->xid)
{
crtc_info->possible_outputs = eina_list_append(crtc_info->possible_outputs, output_info);
break;
}
}
free(outputs);
}
}
}
}
/*
* setup a crtc's current (possible) outputs references
*/
static void
_e_randr_crtc_outputs_refs_update(E_Randr_Crtc_Info *crtc_info)
{
Ecore_X_Randr_Output *outputs;
E_Randr_Output_Info *output_info;
int i, noutputs;
//get references to output_info structs which are related to this CRTC
if (e_randr_screen_info->rrvd_info.randr_info_12->outputs && (outputs = ecore_x_randr_crtc_outputs_get(e_randr_screen_info->root, crtc_info->xid, &noutputs)))
{
for(i = 0; i < noutputs; i++)
{
if (!(output_info = _e_randr_output_info_get(outputs[i])) || eina_list_data_find(crtc_info->outputs, output_info) || (ecore_x_randr_output_crtc_get(e_randr_screen_info->root, outputs[i]) != crtc_info->xid)) continue;
if(!(crtc_info->outputs = eina_list_append(crtc_info->outputs, output_info))) fprintf(stderr, "E_RANDR: could not add output(%d) to CRTC's(%d) output list!\n", output_info->xid, crtc_info->xid);
output_info->crtc = crtc_info;
}
free(outputs);
}
//get references to possible output_info structs which are related to this CRTC
if (e_randr_screen_info->rrvd_info.randr_info_12->outputs && (outputs = ecore_x_randr_crtc_possible_outputs_get(e_randr_screen_info->root, crtc_info->xid, &noutputs)))
{
for(i = 0; i < noutputs; i++)
{
if (!(output_info = _e_randr_output_info_get(outputs[i])) || eina_list_data_find(crtc_info->possible_outputs, output_info)) continue;
if(!(crtc_info->possible_outputs = eina_list_append(crtc_info->possible_outputs, output_info))) fprintf(stderr, "E_RANDR: could not add output(%d) to CRTC's(%d) possible output list!\n", output_info->xid, crtc_info->xid);
}
free(outputs);
}
}
/*
* reconfigure screen setup according to policy. This is only required if all
* CRTCs' positions might be affected by the another screens' movement. This includes 'virtual' moves,
* which means that e.g. when a crtc should be placed at a position < 0, all
* other crtcs are accordingly moved instead, so the result is the same.
*/
static Eina_Bool
_e_randr_crtc_move_policy(E_Randr_Crtc_Info *new_crtc)
{
const E_Randr_Crtc_Info *crtc_rel;
int dx = Ecore_X_Randr_None, dy = Ecore_X_Randr_None;
Eina_Bool ret = EINA_TRUE;
//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 = _e_randr_policy_crtc_get(new_crtc, NULL, e_randr_screen_info->rrvd_info.randr_info_12->output_policy))) return EINA_TRUE;
//following is policy dependend.
switch (e_randr_screen_info->rrvd_info.randr_info_12->output_policy)
{
case ECORE_X_RANDR_OUTPUT_POLICY_ABOVE:
dy = (crtc_rel->geometry.y - new_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,
&new_crtc->xid,
1,
dx,
dy);
}
break;
case ECORE_X_RANDR_OUTPUT_POLICY_LEFT:
dx = (crtc_rel->geometry.x - new_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,
&new_crtc->xid,
1,
dx,
dy);
}
break;
default:
break;
}
ret &= ecore_x_randr_crtc_pos_relative_set(e_randr_screen_info->root, new_crtc->xid, crtc_rel->xid, e_randr_screen_info->rrvd_info.randr_info_12->output_policy, e_randr_screen_info->rrvd_info.randr_info_12->alignment);
return ret;
}
/*
* returns the highest resolution mode common ammongst the given outputs,
* optionally limited by max_size_mode. If none is found, NULL is returned.
*/
static Ecore_X_Randr_Mode_Info *
_e_randr_outputs_common_mode_max_get(Eina_List *outputs, Ecore_X_Randr_Mode_Info *max_size_mode)
{
Eina_List *all_modes = NULL, *iter, *output_iter, *right;
E_Randr_Output_Info *output_info;
Ecore_X_Randr_Mode_Info *mode_info;
int outputs_mode_found;
//create a list of all available modes
EINA_LIST_FOREACH(outputs, iter, output_info)
{
right = eina_list_clone(output_info->modes);
all_modes = eina_list_merge(all_modes, right);
}
if (max_size_mode)
{
//remove all modes that are larger than max_size_mode
EINA_LIST_FOREACH(all_modes, iter, mode_info)
{
if (_modes_size_sort_cb((void*)max_size_mode, (void*)mode_info) < 0)
{
all_modes = eina_list_remove(all_modes, mode_info);
}
}
}
//sort modes by their sizes
all_modes = eina_list_sort(all_modes, eina_list_count(all_modes), _modes_size_sort_cb);
EINA_LIST_REVERSE_FOREACH(all_modes, iter, mode_info)
{
outputs_mode_found = 0;
EINA_LIST_FOREACH(outputs, output_iter, output_info)
{
if (eina_list_data_find(output_info->modes, mode_info))
{
outputs_mode_found++;
}
}
if (outputs_mode_found == eina_list_count(outputs))
break;
mode_info = NULL;
}
return mode_info;
}
static int
_crtcs_size_sort_cb(const void *d1, const void *d2)
{
E_Randr_Crtc_Info *crtc1 = ((E_Randr_Crtc_Info*)d1), *crtc2 = ((E_Randr_Crtc_Info*)d2);
return ((crtc1->geometry.w * crtc1->geometry.h) - (crtc2->geometry.w * crtc2->geometry.h));
}
static int
_outputs_size_sort_cb(const void *d1, const void *d2)
{
E_Randr_Output_Info *output1 = ((E_Randr_Output_Info*)d1), *output2 = ((E_Randr_Output_Info*)d2);
return (output1 && output1->crtc && output1->crtc->current_mode && output2 && output2->crtc && output2->crtc->current_mode) ? ((output1->crtc->current_mode->width * output1->crtc->current_mode->height) - (output2->crtc->current_mode->width * output2->crtc->current_mode->height)) : 0;
}
static int
_modes_size_sort_cb(const void *d1, const void *d2)
{
Ecore_X_Randr_Mode_Info *mode1 = ((Ecore_X_Randr_Mode_Info*)d1), *mode2 = ((Ecore_X_Randr_Mode_Info*)d2);
return ((mode1->width * mode1->height) - (mode2->width * mode2->height));
}
/*
* 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 *
_e_randr_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;
}
/*
* reconfigures a CRTC enabling the highest resolution amongst its outputs,
* without touching any other CRTC currently activated
*/
static Eina_Bool
_e_randr_crtc_outputs_mode_max_set(E_Randr_Crtc_Info *crtc_info)
{
Ecore_X_Randr_Mode_Info *mode_info;
Eina_List *common_modes, *iter;
Eina_Bool ret = EINA_TRUE;
Ecore_X_Randr_Output *outputs;
if (!crtc_info || !crtc_info->outputs || !(common_modes = _e_randr_outputs_common_modes_get(crtc_info->outputs, NULL))) return EINA_FALSE;
EINA_LIST_REVERSE_FOREACH(common_modes, iter, mode_info)
{
if (!_e_randr_crtc_mode_intersects_crtcs(crtc_info, mode_info))
break;
}
if (!mode_info)
{
eina_list_free(common_modes);
return EINA_FALSE;
}
if ((outputs = _e_randr_outputs_to_array(crtc_info->outputs)))
{
ret = ecore_x_randr_crtc_mode_set(e_randr_screen_info->root, crtc_info->xid, outputs, eina_list_count(crtc_info->outputs), mode_info->xid);
free(outputs);
}
eina_list_free(common_modes);
ecore_x_randr_screen_reset(e_randr_screen_info->root);
return ret;
}
/*
* returns EINA_TRUE if given CRTC would intersect with other CRTCs if set to
* given mode
*/
static Eina_Bool
_e_randr_crtc_mode_intersects_crtcs(E_Randr_Crtc_Info *crtc_info, Ecore_X_Randr_Mode_Info *mode)
{
Eina_List *iter;
E_Randr_Crtc_Info *tmp;
EINA_LIST_FOREACH(e_randr_screen_info->rrvd_info.randr_info_12->crtcs, iter, tmp)
{
if ((tmp == crtc_info) || ((tmp->geometry.w <= 0) || (tmp->geometry.h <= 0))) continue;
if (E_INTERSECTS(crtc_info->geometry.x, crtc_info->geometry.y, mode->width, mode->height, tmp->geometry.x, tmp->geometry.y, tmp->geometry.w, tmp->geometry.h)
&& ((crtc_info->geometry.x != tmp->geometry.x) && (crtc_info->geometry.y != tmp->geometry.y)))
return EINA_TRUE;
}
return EINA_FALSE;
}
/*
* returns a list of modes common ammongst the given outputs,
* optionally limited by max_size_mode. If none are found, NULL is returned.
*/
static Eina_List *
_e_randr_outputs_common_modes_get(Eina_List *outputs, Ecore_X_Randr_Mode_Info *max_size_mode)
{
Eina_List *common_modes = NULL, *iter, *output_iter, *right;
E_Randr_Output_Info *output_info;
Ecore_X_Randr_Mode_Info *mode_info;
int outputs_mode_found;
if (!outputs) return NULL;
//create a list of all available modes
EINA_LIST_FOREACH(outputs, iter, output_info)
{
right = eina_list_clone(output_info->modes);
common_modes = eina_list_merge(common_modes, right);
}
if (max_size_mode)
{
//remove all modes that are larger than max_size_mode
EINA_LIST_FOREACH(common_modes, iter, mode_info)
{
if (_modes_size_sort_cb((void*)max_size_mode, (void*)mode_info) < 0)
{
common_modes = eina_list_remove(common_modes, mode_info);
}
}
}
//sort modes desc. by their sizes
EINA_LIST_REVERSE_FOREACH(common_modes, iter, mode_info)
{
outputs_mode_found = 0;
EINA_LIST_FOREACH(outputs, output_iter, output_info)
{
if (eina_list_data_find(output_info->modes, mode_info))
{
outputs_mode_found++;
}
}
if (outputs_mode_found != eina_list_count(outputs))
{
common_modes = eina_list_remove(common_modes, mode_info);
}
}
return common_modes;
}
/*
* reconfigure all CRTCs that had a given CRTC as a clone
*/
static Eina_Bool
_e_randr_crtcs_clone_crtc_removed(E_Randr_Crtc_Info *former_clone)
{
Eina_List *iter;
E_Randr_Crtc_Info *crtc_info;
if (!former_clone) return EINA_FALSE;
EINA_LIST_FOREACH(e_randr_screen_info->rrvd_info.randr_info_12->crtcs, iter, crtc_info)
{
if ((crtc_info == former_clone) || ((crtc_info->geometry.w <= 0) || (crtc_info->geometry.h <= 0))) continue;
if ((former_clone->geometry.x == crtc_info->geometry.x) && (former_clone->geometry.y == crtc_info->geometry.y) && (former_clone->geometry.w == crtc_info->geometry.w) && (former_clone->geometry.h == crtc_info->geometry.h))
{
if (!_e_randr_crtc_outputs_mode_max_set(crtc_info)) return EINA_FALSE;
}
}
return EINA_TRUE;
}
static void
_e_randr_screen_primary_output_assign(E_Randr_Output_Info *removed)
{
Eina_List *iter;
E_Randr_Output_Info *primary_output = NULL, *output_info;
E_RANDR_NO_OUTPUTS_RET();
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 = _e_randr_output_info_get(ecore_x_randr_primary_output_get(e_randr_screen_info->root))))
{
primary_output = eina_list_data_get(eina_list_last(e_randr_screen_info->rrvd_info.randr_info_12->outputs));
EINA_LIST_FOREACH(e_randr_screen_info->rrvd_info.randr_info_12->outputs, iter, output_info)
{
if (output_info->connection_status == ECORE_X_RANDR_CONNECTION_STATUS_DISCONNECTED || !output_info->crtc || !output_info->crtc->current_mode) continue;
if ((!primary_output->crtc || !primary_output->crtc->current_mode) || _outputs_size_sort_cb(output_info, primary_output) > 0) primary_output = output_info;
}
if (!primary_output->crtc || !primary_output->crtc->current_mode) primary_output = NULL;
}
e_randr_screen_info->rrvd_info.randr_info_12->primary_output = primary_output;
}
static void
_e_randr_output_info_hw_info_set(E_Randr_Output_Info *output_info)
{
Ecore_X_Randr_Output *outputs;
Ecore_X_Randr_Crtc *crtcs;
E_Randr_Output_Info *output;
E_Randr_Crtc_Info *crtc;
int i, num;
_e_randr_output_modes_add(output_info);
output_info->edid = ecore_x_randr_output_edid_get(e_randr_screen_info->root, output_info->xid, &output_info->edid_length);
//get the outputs we can use on the same CRTC alongside this one.
if ((outputs = ecore_x_randr_output_clones_get(e_randr_screen_info->root, output_info->xid, &num)))
{
for (i = 0; i < num; i++)
{
if ((output = _e_randr_output_info_get(outputs[i])))
output_info->clones = eina_list_append(output_info->clones, output);
}
free(outputs);
}
//get the CRTCs which are usable with this output.
if ((crtcs = ecore_x_randr_output_possible_crtcs_get(e_randr_screen_info->root, output_info->xid, &num)))
{
for (i = 0; i < num; i++)
{
fprintf(stderr, "E_RANDR: possible CRTC: %d\n", crtcs[i]);
if ((crtc = _e_randr_crtc_info_get(crtcs[i])))
{
fprintf(stderr, "E_RANDR: \tfound the suiting struct at %p\n", crtc);
output_info->possible_crtcs = eina_list_append(output_info->possible_crtcs, crtc);
}
}
free(crtcs);
}
}
/*
* free the hardware specifig parts of the information
* removes all traces of an output within the data.
* @param output_info the output info to be freed.
*/
static void
_e_randr_output_hw_info_free(E_Randr_Output_Info *output_info)
{
E_Randr_Crtc_Info *crtc_info;
Eina_List *iter;
if (!output_info) return;
if (output_info->modes)
{
eina_list_free(output_info->modes);
output_info->modes = NULL;
}
if (output_info->preferred_modes)
{
eina_list_free(output_info->preferred_modes);
output_info->preferred_modes = NULL;
}
if (output_info->edid)
{
free(output_info->edid);
output_info->edid = NULL;
}
if (output_info->wired_clones)
{
eina_list_free(output_info->wired_clones);
output_info->wired_clones = NULL;
}
if (output_info->compatible_outputs)
{
eina_list_free(output_info->compatible_outputs);
output_info->compatible_outputs = NULL;
}
if (output_info->possible_crtcs)
{
eina_list_free(output_info->possible_crtcs);
output_info->possible_crtcs = NULL;
}
if (output_info->clones)
{
eina_list_free(output_info->clones);
output_info->clones = NULL;
}
EINA_LIST_FOREACH(e_randr_screen_info->rrvd_info.randr_info_12->crtcs, iter, crtc_info)
{
crtc_info->possible_outputs = eina_list_remove(crtc_info->possible_outputs, output_info);
}
}
/*
* checks whether a given output is a common clone of the given list's outputs
*/
static Eina_Bool
_e_randr_outputs_are_clones(E_Randr_Output_Info *output_info, Eina_List *outputs)
{
E_Randr_Output_Info *output;
Eina_List *iter;
if (!outputs || !output_info) return EINA_FALSE;
EINA_LIST_FOREACH(output_info->clones, iter, output)
{
if (!eina_list_data_find(output_info->clones, output))
return EINA_FALSE;
}
return EINA_TRUE;
}