forked from enlightenment/efl
Implement ecore_x_randr_current_crtc_get
SVN revision: 68343
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@ -533,6 +533,67 @@ ecore_x_randr_crtcs_get(Ecore_X_Window root,
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#endif
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}
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/*
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* @brief get the CRTCs, which display a certain window
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* @param window window the displaying crtcs shall be found for
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* @param num the number of crtcs displaying the window
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* @return array of crtcs that display a certain window. NULL if no crtcs
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* was found that displays the specified window.
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*/
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EAPI Ecore_X_Randr_Crtc *
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ecore_x_randr_current_crtc_get(Ecore_X_Window window,
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int *num)
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{
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#ifdef ECORE_XRANDR
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Ecore_X_Window root;
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Eina_Rectangle w_geo, c_geo;
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Ecore_X_Randr_Crtc *crtcs;
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Ecore_X_Randr_Mode mode;
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Ecore_X_Randr_Output *ret = NULL;
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Window tw;
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int ncrtcs, i, nret = 0, rx = 0, ry = 0;
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if (_randr_version < RANDR_1_2) goto _ecore_x_randr_current_crtc_get_fail;
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ecore_x_window_geometry_get(window,
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&w_geo.x, &w_geo.y,
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&w_geo.w, &w_geo.h);
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root = ecore_x_window_root_get(window);
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crtcs = ecore_x_randr_crtcs_get(root, &ncrtcs);
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if (!crtcs) goto _ecore_x_randr_current_crtc_get_fail;
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/* now get window RELATIVE to root window - thats what matters. */
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XTranslateCoordinates(_ecore_x_disp, window, root, 0, 0, &rx, &ry, &tw);
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w_geo.x = rx;
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w_geo.y = ry;
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for (i = 0, nret = 0; i < ncrtcs; i++)
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{
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/* if crtc is not enabled, don't bother about it any further */
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mode = ecore_x_randr_crtc_mode_get(root, crtcs[i]);
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if (mode == Ecore_X_Randr_None) continue;
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ecore_x_randr_crtc_geometry_get(root, crtcs[i],
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&c_geo.x, &c_geo.y,
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&c_geo.w, &c_geo.h);
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if (eina_rectangles_intersect(&w_geo, &c_geo))
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{
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ret = realloc(ret, (sizeof(Ecore_X_Randr_Crtc) * ++nret));
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ret[nret] = crtcs[i];
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}
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}
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free(crtcs);
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if (num) *num = nret;
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return ret;
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_ecore_x_randr_current_crtc_get_fail:
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#endif
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if (num) *num = 0;
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return NULL;
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}
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EAPI Ecore_X_Randr_Output *
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ecore_x_randr_outputs_get(Ecore_X_Window root,
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int *num)
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