291 lines
8.7 KiB
C
291 lines
8.7 KiB
C
/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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#include "ecore_xcb_private.h"
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/**
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* @defgroup Ecore_X_Shape_Group X Shape extension
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*
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* Functions that use the shape extension of the X server to change shape of given windows.
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*/
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#ifdef ECORE_XCB_SHAPE
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static int _shape_available = 0;
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static xcb_shape_query_version_cookie_t _ecore_xcb_shape_init_cookie;
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#endif /* ECORE_XCB_SHAPE */
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/* To avoid round trips, the initialization is separated in 2
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functions: _ecore_xcb_shape_init and
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_ecore_xcb_shape_init_finalize. The first one gets the cookies and
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the second one gets the replies. */
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void
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_ecore_x_shape_init(const xcb_query_extension_reply_t *reply)
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{
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#ifdef ECORE_XCB_SHAPE
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if (reply && (reply->present))
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_ecore_xcb_shape_init_cookie = xcb_shape_query_version_unchecked(_ecore_xcb_conn);
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#endif /* ECORE_XCB_SHAPE */
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}
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void
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_ecore_x_shape_init_finalize(void)
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{
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#ifdef ECORE_XCB_SHAPE
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xcb_shape_query_version_reply_t *reply;
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reply = xcb_shape_query_version_reply(_ecore_xcb_conn,
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_ecore_xcb_shape_init_cookie,
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NULL);
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if (reply)
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{
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_shape_available = 1;
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free(reply);
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}
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#endif /* ECORE_XCB_SHAPE */
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}
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/**
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* Sets the shape of the given window to the given pixmap.
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* @param dest_win The given window.
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* @param source_mask A 2-bit depth pixmap that provides the new shape of the window.
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*
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* Sets the shape of the window @p dest_win to the pixmap @p source_mask.
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* @ingroup Ecore_X_Shape_Group
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*/
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EAPI void
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ecore_x_window_shape_mask_set(Ecore_X_Window dest_win,
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Ecore_X_Pixmap source_mask)
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{
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#ifdef ECORE_XCB_SHAPE
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xcb_shape_mask(_ecore_xcb_conn, XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING, dest_win, 0, 0, source_mask);
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#endif /* ECORE_XCB_SHAPE */
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}
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EAPI void
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ecore_x_window_shape_window_set(Ecore_X_Window dest_win,
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Ecore_X_Window shape_win)
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{
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#ifdef ECORE_XCB_SHAPE
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xcb_shape_combine(_ecore_xcb_conn, XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING, XCB_SHAPE_SK_BOUNDING, dest_win, 0, 0, shape_win);
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#endif /* ECORE_XCB_SHAPE */
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}
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EAPI void
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ecore_x_window_shape_window_set_xy(Ecore_X_Window dest_win,
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Ecore_X_Window shape_win,
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int x,
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int y)
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{
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#ifdef ECORE_XCB_SHAPE
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xcb_shape_combine(_ecore_xcb_conn, XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING, XCB_SHAPE_SK_BOUNDING, dest_win, x, y, shape_win);
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#endif /* ECORE_XCB_SHAPE */
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}
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/**
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* Sets the shape of the given window to a rectangle.
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* @param dest_win The given window.
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* @param x The X coordinate of the top left corner of the rectangle.
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* @param y The Y coordinate of the top left corner of the rectangle.
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* @param width The width of the rectangle.
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* @param height The height of the rectangle.
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*
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* Sets the shape of the window @p dest_win to a rectangle defined by
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* @p x, @p y, @p width and @p height.
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* @ingroup Ecore_X_Shape_Group
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*/
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EAPI void
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ecore_x_window_shape_rectangle_set(Ecore_X_Window dest_win,
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int x,
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int y,
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int width,
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int height)
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{
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#ifdef ECORE_XCB_SHAPE
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xcb_rectangle_t rect;
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rect.x = x;
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rect.y = y;
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rect.width = width;
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rect.height = height;
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xcb_shape_rectangles(_ecore_xcb_conn, XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING, 0, dest_win, 0, 0, 1, &rect);
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#endif /* ECORE_XCB_SHAPE */
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}
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EAPI void
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ecore_x_window_shape_rectangles_set(Ecore_X_Window dest_win,
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Ecore_X_Rectangle *rects,
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int num)
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{
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#ifdef ECORE_XCB_SHAPE
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if (num > 0)
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xcb_shape_rectangles(_ecore_xcb_conn,
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XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING,
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0, dest_win, 0, 0, num, (xcb_rectangle_t *)rects);
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else
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xcb_shape_rectangles(_ecore_xcb_conn, XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING, 0, dest_win, 0, 0, 0, NULL);
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#endif /* ECORE_XCB_SHAPE */
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}
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EAPI void
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ecore_x_window_shape_window_add(Ecore_X_Window dest_win,
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Ecore_X_Window shape_win)
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{
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#ifdef ECORE_XCB_SHAPE
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xcb_shape_combine(_ecore_xcb_conn, XCB_SHAPE_SO_UNION, XCB_SHAPE_SK_BOUNDING, XCB_SHAPE_SK_BOUNDING, dest_win, 0, 0, shape_win);
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#endif /* ECORE_XCB_SHAPE */
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}
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EAPI void
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ecore_x_window_shape_window_add_xy(Ecore_X_Window dest_win,
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Ecore_X_Window shape_win,
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int x,
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int y)
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{
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#ifdef ECORE_XCB_SHAPE
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xcb_shape_combine(_ecore_xcb_conn, XCB_SHAPE_SO_UNION, XCB_SHAPE_SK_BOUNDING, XCB_SHAPE_SK_BOUNDING, dest_win, x, y, shape_win);
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#endif /* ECORE_XCB_SHAPE */
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}
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EAPI void
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ecore_x_window_shape_rectangle_add(Ecore_X_Window dest_win,
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int x,
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int y,
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int width,
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int height)
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{
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#ifdef ECORE_XCB_SHAPE
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xcb_rectangle_t rect;
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rect.x = x;
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rect.y = y;
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rect.width = width;
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rect.height = height;
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xcb_shape_rectangles(_ecore_xcb_conn, XCB_SHAPE_SO_UNION, XCB_SHAPE_SK_BOUNDING, 0, dest_win, 0, 0, 1, &rect);
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#endif /* ECORE_XCB_SHAPE */
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}
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EAPI void
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ecore_x_window_shape_rectangle_clip(Ecore_X_Window dest_win,
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int x,
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int y,
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int width,
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int height)
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{
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xcb_rectangle_t rect;
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rect.x = x;
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rect.y = y;
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rect.width = width;
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rect.height = height;
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xcb_shape_rectangles(_ecore_xcb_conn,
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XCB_SHAPE_SO_INTERSECT, XCB_SHAPE_SK_BOUNDING,
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0, dest_win, 0, 0, 1, &rect);
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}
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EAPI void
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ecore_x_window_shape_rectangles_add(Ecore_X_Window dest_win,
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Ecore_X_Rectangle *rects,
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int num)
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{
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#ifdef ECORE_XCB_SHAPE
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if (num > 0)
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xcb_shape_rectangles(_ecore_xcb_conn, XCB_SHAPE_SO_UNION, XCB_SHAPE_SK_BOUNDING, 0, dest_win, 0, 0, num, (const xcb_rectangle_t *)rects);
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else
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xcb_shape_rectangles(_ecore_xcb_conn, XCB_SHAPE_SO_UNION, XCB_SHAPE_SK_BOUNDING, 0, dest_win, 0, 0, 0, NULL);
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#endif /* ECORE_XCB_SHAPE */
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}
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/**
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* Sends the ShapeGetRectangles request.
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* @param window Requested window.
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* @ingroup Ecore_X_Shape_Group
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*/
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EAPI void
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ecore_x_window_shape_rectangles_get_prefetch(Ecore_X_Window window)
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{
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#ifdef ECORE_XCB_SHAPE
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xcb_shape_get_rectangles_cookie_t cookie;
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cookie = xcb_shape_get_rectangles_unchecked(_ecore_xcb_conn, window, XCB_SHAPE_SK_BOUNDING);
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_ecore_xcb_cookie_cache(cookie.sequence);
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#endif /* ECORE_XCB_SHAPE */
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}
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/**
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* Gets the reply of the ShapeGetRectangles request sent by ecore_x_window_shape_rectangles_get_prefetch().
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* @ingroup Ecore_X_Shape_Group
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*/
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EAPI void
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ecore_x_window_shape_rectangles_get_fetch(void)
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{
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#ifdef ECORE_XCB_SHAPE
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xcb_shape_get_rectangles_cookie_t cookie;
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xcb_shape_get_rectangles_reply_t *reply;
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cookie.sequence = _ecore_xcb_cookie_get();
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reply = xcb_shape_get_rectangles_reply(_ecore_xcb_conn, cookie, NULL);
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_ecore_xcb_reply_cache(reply);
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#endif /* ECORE_XCB_SHAPE */
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}
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/**
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* To document.
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* @param window Unused.
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* @param num_ret To document.
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* @return To document.
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*
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* To use this function, you must call before, and in order,
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* ecore_x_window_shape_rectangles_get_prefetch(), which sends the ShapeGetRectangles request,
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* then ecore_x_window_shape_rectangles_get_fetch(), which gets the reply.
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* @ingroup Ecore_X_Shape_Group
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*/
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EAPI Ecore_X_Rectangle *
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ecore_x_window_shape_rectangles_get(Ecore_X_Window window __UNUSED__,
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int *num_ret)
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{
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Ecore_X_Rectangle *rects = NULL;
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uint32_t num = 0;
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#ifdef ECORE_XCB_SHAPE
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xcb_shape_get_rectangles_reply_t *reply;
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reply = _ecore_xcb_reply_get();
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if (!reply)
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{
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if (num_ret) *num_ret = 0;
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return NULL;
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}
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num = reply->rectangles_len;
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rects = malloc(sizeof(Ecore_X_Rectangle) * num);
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if (rects)
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memcpy (rects,
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xcb_shape_get_rectangles_rectangles(reply),
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num * sizeof (Ecore_X_Rectangle));
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else
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num = 0;
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#endif /* ECORE_XCB_SHAPE */
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if (num_ret) *num_ret = num;
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return rects;
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}
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EAPI void
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ecore_x_window_shape_events_select(Ecore_X_Window dest_win,
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int on)
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{
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#ifdef ECORE_XCB_SHAPE
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xcb_shape_select_input(_ecore_xcb_conn, dest_win, on ? 1 : 0);
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#endif /* ECORE_XCB_SHAPE */
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}
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