275 lines
9.6 KiB
C
275 lines
9.6 KiB
C
#include "e_randr_private.h"
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#include "e_randr.h"
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// E_Randr_Crtc_Info helper functions
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/* static Eina_Bool _crtc_mode_intersects_crtcs(E_Randr_Crtc_Info *crtc_info, Ecore_X_Randr_Mode_Info *mode); */
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/* static Eina_Bool _crtc_outputs_mode_max_set(E_Randr_Crtc_Info *crtc_info); */
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void
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_crtc_outputs_refs_set(E_Randr_Crtc_Info *crtc_info)
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{
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E_Randr_Output_Info *output_info = NULL;
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Ecore_X_Randr_Output *outputs = NULL;
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int noutputs = 0;
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EINA_SAFETY_ON_NULL_RETURN(crtc_info);
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outputs = ecore_x_randr_crtc_outputs_get(e_randr_screen_info.root, crtc_info->xid, &noutputs);
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while (--noutputs >= 0)
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{
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output_info = _12_screen_info_output_info_get(outputs[noutputs]);
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if (!output_info)
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{
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ERR("E_RANDR: Could not find output struct for output %d.", outputs[noutputs]);
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continue;
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}
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crtc_info->outputs = eina_list_append(crtc_info->outputs, output_info);
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}
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free(outputs);
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E_FREE_LIST(crtc_info->outputs_common_modes, ecore_x_randr_mode_info_free);
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crtc_info->outputs_common_modes = _outputs_common_modes_get(crtc_info->outputs, NULL);
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}
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void
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_crtc_refs_set(E_Randr_Crtc_Info *crtc_info)
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{
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Ecore_X_Randr_Mode mode = Ecore_X_Randr_None;
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Ecore_X_Randr_Mode_Info *mode_info = NULL;
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Ecore_X_Randr_Output *poutputs = NULL;
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E_Randr_Output_Info *output_info = NULL;
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int npoutputs = 0;
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EINA_SAFETY_ON_NULL_RETURN(crtc_info);
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mode = ecore_x_randr_crtc_mode_get(e_randr_screen_info.root, crtc_info->xid);
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if (!(mode_info = _12_screen_info_mode_info_get(mode)) && (mode != Ecore_X_Randr_None))
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{
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//Mode does not equal "disabled" and is unknown to the global structure, so add it
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mode_info = ecore_x_randr_mode_info_get(e_randr_screen_info.root, mode);
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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);
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}
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crtc_info->current_mode = mode_info;
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poutputs = ecore_x_randr_crtc_possible_outputs_get(e_randr_screen_info.root, crtc_info->xid, &npoutputs);
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while (--npoutputs >= 0)
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{
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output_info = _12_screen_info_output_info_get(poutputs[npoutputs]);
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if (!output_info)
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{
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ERR("E_RANDR: Could not find output struct for output %d.", poutputs[npoutputs]);
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continue;
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}
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crtc_info->possible_outputs = eina_list_append(crtc_info->possible_outputs, output_info);
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}
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free(poutputs);
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_crtc_outputs_refs_set(crtc_info);
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}
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/**
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* @brief Allocate and init with values.
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* @param crtc the crtc the display is queried for. If Ecore_X_Randr_None is
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* given, a struct with only the xid will be set
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* @return E_Randr_Crtc_Info element
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*/
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E_Randr_Crtc_Info *
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_crtc_info_new(Ecore_X_Randr_Crtc crtc)
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{
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E_Randr_Crtc_Info *crtc_info = NULL;
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EINA_SAFETY_ON_TRUE_RETURN_VAL(E_RANDR_12_NO, NULL);
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crtc_info = E_NEW(E_Randr_Crtc_Info, 1);
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crtc_info->xid = crtc;
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crtc_info->panning.x = Ecore_X_Randr_Unset;
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crtc_info->panning.y = Ecore_X_Randr_Unset;
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crtc_info->panning.w = Ecore_X_Randr_Unset;
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crtc_info->panning.h = Ecore_X_Randr_Unset;
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crtc_info->tracking.x = Ecore_X_Randr_Unset;
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crtc_info->tracking.y = Ecore_X_Randr_Unset;
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crtc_info->tracking.w = Ecore_X_Randr_Unset;
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crtc_info->tracking.h = Ecore_X_Randr_Unset;
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crtc_info->border.x = Ecore_X_Randr_Unset;
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crtc_info->border.y = Ecore_X_Randr_Unset;
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crtc_info->border.w = Ecore_X_Randr_Unset;
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crtc_info->border.h = Ecore_X_Randr_Unset;
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crtc_info->gamma_ramps = NULL;
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crtc_info->gamma_ramp_size = Ecore_X_Randr_Unset;
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crtc_info->outputs = NULL;
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crtc_info->possible_outputs = NULL;
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crtc_info->outputs_common_modes = NULL;
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crtc_info->current_mode = NULL;
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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);
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crtc_info->current_orientation = ecore_x_randr_crtc_orientation_get(e_randr_screen_info.root, crtc_info->xid);
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crtc_info->orientations = ecore_x_randr_crtc_orientations_get(e_randr_screen_info.root, crtc_info->xid);
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return crtc_info;
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}
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/**
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* @param crtc_info the crtc info to be freed.
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*/
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void
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_crtc_info_free(E_Randr_Crtc_Info *crtc_info)
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{
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if (!crtc_info) return;
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free(crtc_info->gamma_ramps);
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crtc_info->outputs = eina_list_free(crtc_info->outputs);
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crtc_info->possible_outputs = eina_list_free(crtc_info->possible_outputs);
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free(crtc_info);
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}
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/*
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* returns EINA_TRUE if given CRTC would intersect with other CRTCs if set to
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* given mode
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*/
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/* static Eina_Bool */
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/* _crtc_mode_intersects_crtcs(E_Randr_Crtc_Info *crtc_info, Ecore_X_Randr_Mode_Info *mode) */
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/* { */
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/* Eina_List *iter; */
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/* E_Randr_Crtc_Info *tmp; */
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/* int width, height; */
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/* EINA_LIST_FOREACH(e_randr_screen_info.rrvd_info.randr_info_12->crtcs, iter, tmp) */
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/* { */
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/* if ((tmp == crtc_info) || */
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/* ((tmp->geometry.w <= 0) || (tmp->geometry.h <= 0))) */
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/* continue; */
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/* width = (mode->width > INT_MAX) ? INT_MAX : mode->width; */
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/* height = (mode->height > INT_MAX) ? INT_MAX : mode->height; */
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/* if (E_INTERSECTS(crtc_info->geometry.x, crtc_info->geometry.y, */
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/* width, height, tmp->geometry.x, */
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/* tmp->geometry.y, tmp->geometry.w, tmp->geometry.h) */
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/* && ((crtc_info->geometry.x != tmp->geometry.x) && */
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/* (crtc_info->geometry.y != tmp->geometry.y))) */
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/* return EINA_TRUE; */
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/* } */
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/* return EINA_FALSE; */
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/* } */
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/*
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* reconfigures a CRTC enabling the highest resolution amongst its outputs,
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* without touching any other CRTC currently activated
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*/
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/* static Eina_Bool */
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/* _crtc_outputs_mode_max_set(E_Randr_Crtc_Info *crtc_info) */
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/* { */
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/* Ecore_X_Randr_Mode_Info *mode_info; */
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/* Eina_List *iter; */
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/* Eina_Bool ret = EINA_TRUE; */
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/* Ecore_X_Randr_Output *outputs; */
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/* if (!crtc_info || !crtc_info->outputs || !crtc_info->outputs_common_modes) return EINA_FALSE; */
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/* EINA_LIST_REVERSE_FOREACH(crtc_info->outputs_common_modes, iter, mode_info) */
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/* { */
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/* if (!_crtc_mode_intersects_crtcs(crtc_info, mode_info)) */
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/* break; */
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/* } */
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/* if (!mode_info) */
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/* { */
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/* //eina_list_free(crtc_info->outputs_common_modes); */
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/* return EINA_FALSE; */
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/* } */
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/* if ((outputs = _outputs_to_array(crtc_info->outputs))) */
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/* { */
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/* 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); */
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/* free(outputs); */
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/* } */
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/* //eina_list_free(crtc_info->outputs_common_modes); */
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/* //crtc_info->outputs_common_modes = NULL; */
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/* ecore_x_randr_screen_reset(e_randr_screen_info.root); */
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/* return ret; */
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/* } */
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/*
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* this retrieves a CRTC depending on a policy.
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* Note that this is enlightenment specific! Enlightenment doesn't 'allow' zones
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* to overlap. Thus we always use the output with the most extreme position
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* instead of trying to fill gaps like tetris. Though this could be done by
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* simply implementing another policy.
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*
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* Simply put: get the
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* -right
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* -left
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* -top
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* -bottom
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* most CRTC and return it.
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*/
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const E_Randr_Crtc_Info *
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_crtc_according_to_policy_get(E_Randr_Crtc_Info *but, Ecore_X_Randr_Output_Policy policy)
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{
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Eina_List *iter, *possible_crtcs = NULL;
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E_Randr_Crtc_Info *crtc_info, *ret = NULL;
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EINA_SAFETY_ON_TRUE_RETURN_VAL(E_RANDR_12_NO_CRTCS, NULL);
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//get any crtc that besides 'but' to start with
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possible_crtcs = eina_list_clone(e_randr_screen_info.rrvd_info.randr_info_12->crtcs);
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possible_crtcs = eina_list_remove(possible_crtcs, but);
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if ((eina_list_count(possible_crtcs) == 0) && (policy != ECORE_X_RANDR_OUTPUT_POLICY_CLONE))
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{
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eina_list_free(possible_crtcs);
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return NULL;
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}
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// get an initial value for ret
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ret = (E_Randr_Crtc_Info*)eina_list_last_data_get(possible_crtcs);
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switch (policy)
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{
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case ECORE_X_RANDR_OUTPUT_POLICY_ABOVE:
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EINA_LIST_FOREACH(e_randr_screen_info.rrvd_info.randr_info_12->crtcs, iter, crtc_info)
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{
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if (crtc_info->geometry.y < ret->geometry.y)
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ret = crtc_info;
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}
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break;
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case ECORE_X_RANDR_OUTPUT_POLICY_RIGHT:
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EINA_LIST_FOREACH(e_randr_screen_info.rrvd_info.randr_info_12->crtcs, iter, crtc_info)
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{
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if ((crtc_info->geometry.x + crtc_info->geometry.w) >
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(ret->geometry.x + ret->geometry.w))
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ret = crtc_info;
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}
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break;
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case ECORE_X_RANDR_OUTPUT_POLICY_BELOW:
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EINA_LIST_FOREACH(e_randr_screen_info.rrvd_info.randr_info_12->crtcs, iter, crtc_info)
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{
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if ((crtc_info->geometry.y + crtc_info->geometry.h) >
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(ret->geometry.y + ret->geometry.h))
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ret = crtc_info;
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}
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break;
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case ECORE_X_RANDR_OUTPUT_POLICY_LEFT:
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EINA_LIST_FOREACH(e_randr_screen_info.rrvd_info.randr_info_12->crtcs, iter, crtc_info)
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{
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if (crtc_info->geometry.x < ret->geometry.x)
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ret = crtc_info;
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}
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break;
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case ECORE_X_RANDR_OUTPUT_POLICY_CLONE:
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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;
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break;
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default:
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break;
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}
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eina_list_free(possible_crtcs);
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return ret;
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}
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