804 // first, check if _NET_WM_STRUT or _NET_WM_STRUT_PARTIAL are present
805 // if both are set on the window, _NET_WM_STRUT_PARTIAL is used (see _NET spec)
806 boolean strutPresent = XA_NET_WM_STRUT_PARTIAL.getAtomData(window, XAtom.XA_CARDINAL, native_ptr, 4);
807 if (!strutPresent)
808 {
809 strutPresent = XA_NET_WM_STRUT.getAtomData(window, XAtom.XA_CARDINAL, native_ptr, 4);
810 }
811 if (strutPresent)
812 {
813 // second, verify that window is located on the proper screen
814 Rectangle windowBounds = XlibUtil.getWindowGeometry(window);
815 if (windowLevel > 1)
816 {
817 windowBounds = XlibUtil.translateCoordinates(window, root, windowBounds);
818 }
819 // if _NET_WM_STRUT_PARTIAL is present, we should use its values to detect
820 // if the struts area intersects with screenBounds, however some window
821 // managers don't set this hint correctly, so we just get intersection with windowBounds
822 if (windowBounds != null && windowBounds.intersects(screenBounds))
823 {
824 insets.left = Math.max((int)Native.getLong(native_ptr, 0), insets.left);
825 insets.right = Math.max((int)Native.getLong(native_ptr, 1), insets.right);
826 insets.top = Math.max((int)Native.getLong(native_ptr, 2), insets.top);
827 insets.bottom = Math.max((int)Native.getLong(native_ptr, 3), insets.bottom);
828 }
829 }
830 }
831 finally
832 {
833 XlibWrapper.unsafe.freeMemory(native_ptr);
834 }
835
836 if (windowLevel < MAX_NESTED_LEVEL)
837 {
838 Set<Long> children = XlibUtil.getChildWindows(window);
839 for (long child : children)
840 {
841 search.add(child);
842 search.add(windowLevel + 1);
843 }
844 }
845 }
846
847 return insets;
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804 // first, check if _NET_WM_STRUT or _NET_WM_STRUT_PARTIAL are present
805 // if both are set on the window, _NET_WM_STRUT_PARTIAL is used (see _NET spec)
806 boolean strutPresent = XA_NET_WM_STRUT_PARTIAL.getAtomData(window, XAtom.XA_CARDINAL, native_ptr, 4);
807 if (!strutPresent)
808 {
809 strutPresent = XA_NET_WM_STRUT.getAtomData(window, XAtom.XA_CARDINAL, native_ptr, 4);
810 }
811 if (strutPresent)
812 {
813 // second, verify that window is located on the proper screen
814 Rectangle windowBounds = XlibUtil.getWindowGeometry(window);
815 if (windowLevel > 1)
816 {
817 windowBounds = XlibUtil.translateCoordinates(window, root, windowBounds);
818 }
819 // if _NET_WM_STRUT_PARTIAL is present, we should use its values to detect
820 // if the struts area intersects with screenBounds, however some window
821 // managers don't set this hint correctly, so we just get intersection with windowBounds
822 if (windowBounds != null && windowBounds.intersects(screenBounds))
823 {
824 int left = (int)Native.getLong(native_ptr, 0);
825 int right = (int)Native.getLong(native_ptr, 1);
826 int top = (int)Native.getLong(native_ptr, 2);
827 int bottom = (int)Native.getLong(native_ptr, 3);
828
829 /*
830 * struts could be relative to root window bounds, so
831 * make them relative to the screen bounds in this case
832 */
833 left = rootBounds.x + left > screenBounds.x ?
834 rootBounds.x + left - screenBounds.x : 0;
835 right = rootBounds.x + rootBounds.width - right <
836 screenBounds.x + screenBounds.width ?
837 screenBounds.x + screenBounds.width -
838 (rootBounds.x + rootBounds.width - right) : 0;
839 top = rootBounds.y + top > screenBounds.y ?
840 rootBounds.y + top - screenBounds.y : 0;
841 bottom = rootBounds.y + rootBounds.height - bottom <
842 screenBounds.y + screenBounds.height ?
843 screenBounds.y + screenBounds.height -
844 (rootBounds.y + rootBounds.height - bottom) : 0;
845
846 insets.left = Math.max(left, insets.left);
847 insets.right = Math.max(right, insets.right);
848 insets.top = Math.max(top, insets.top);
849 insets.bottom = Math.max(bottom, insets.bottom);
850 }
851 }
852 }
853 finally
854 {
855 XlibWrapper.unsafe.freeMemory(native_ptr);
856 }
857
858 if (windowLevel < MAX_NESTED_LEVEL)
859 {
860 Set<Long> children = XlibUtil.getChildWindows(window);
861 for (long child : children)
862 {
863 search.add(child);
864 search.add(windowLevel + 1);
865 }
866 }
867 }
868
869 return insets;
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