572 lines
17 KiB
C
572 lines
17 KiB
C
#include "ecore_xcb_private.h"
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/**
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* @defgroup Ecore_X_Fixes_Group X Fixes Extension Functions
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*
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* Functions related to the X Fixes extension.
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*/
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#ifdef ECORE_XCB_FIXES
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static int _xfixes_available = 0;
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static xcb_xfixes_query_version_cookie_t _ecore_xcb_xfixes_init_cookie;
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#endif /* ECORE_XCB_FIXES */
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/* To avoid round trips, the initialization is separated in 2
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functions: _ecore_xcb_xfixes_init and
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_ecore_xcb_xfixes_init_finalize. The first one gets the cookies and
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the second one gets the replies and set the atoms. */
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void
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_ecore_x_xfixes_init(const xcb_query_extension_reply_t *reply)
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{
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#ifdef ECORE_XCB_FIXES
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if (reply && (reply->present))
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_ecore_xcb_xfixes_init_cookie = xcb_xfixes_query_version_unchecked(_ecore_xcb_conn, 4, 0);
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#endif /* ECORE_XCB_FIXES */
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} /* _ecore_x_xfixes_init */
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void
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_ecore_x_xfixes_init_finalize(void)
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{
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#ifdef ECORE_XCB_FIXES
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xcb_xfixes_query_version_reply_t *reply;
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reply = xcb_xfixes_query_version_reply(_ecore_xcb_conn,
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_ecore_xcb_xfixes_init_cookie, NULL);
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if (reply)
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{
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if (reply->major_version >= 3)
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_xfixes_available = 1;
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free(reply);
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}
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#endif /* ECORE_XCB_FIXES */
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} /* _ecore_x_xfixes_init_finalize */
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/**
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* Return whether the X server supports the Fixes Extension.
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* @return 1 if the X Fixes Extension is available, 0 otherwise.
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*
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* Return 1 if the X server supports the Fixes Extension version 3.0,
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* 0 otherwise.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI int
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ecore_x_xfixes_query(void)
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{
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#ifdef ECORE_XCB_FIXES
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return _xfixes_available;
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#else /* ifdef ECORE_XCB_FIXES */
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return 0;
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_xfixes_query */
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/**
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* Create a region from rectangles.
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* @param rects The rectangles used to initialize the region.
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* @param num The number of rectangles.
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* @return The newly created region.
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*
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* Create a region initialized to the specified list of rectangles
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* @p rects. The rectangles may be specified in any order, their union
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* becomes the region.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI Ecore_X_Region
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ecore_x_region_new(Ecore_X_Rectangle *rects,
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int num)
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{
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Ecore_X_Region region = XCB_NONE;
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#ifdef ECORE_XCB_FIXES
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region = xcb_generate_id(_ecore_xcb_conn);
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xcb_xfixes_create_region(_ecore_xcb_conn, region, num, (xcb_rectangle_t *)rects);
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#endif /* ECORE_XCB_FIXES */
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return region;
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} /* ecore_x_region_new */
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/**
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* Create a region from a pixmap.
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* @param bitmap The bitmap used to initialize the region.
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* @return The newly created region.
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*
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* Creates a region initialized to the set of 'one' pixels in @p bitmap
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* (which must be of depth 1, else Match error).
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI Ecore_X_Region
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ecore_x_region_new_from_bitmap(Ecore_X_Pixmap bitmap)
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{
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Ecore_X_Region region = XCB_NONE;
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#ifdef ECORE_XCB_FIXES
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region = xcb_generate_id(_ecore_xcb_conn);
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xcb_xfixes_create_region_from_bitmap(_ecore_xcb_conn, region, bitmap);
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#endif /* ECORE_XCB_FIXES */
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return region;
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} /* ecore_x_region_new_from_bitmap */
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/**
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* Create a region from a window.
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* @param window The window used to initialize the region.
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* @param type The type of the region.
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* @return The newly created region.
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*
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* Creates a region initialized to the specified @p window region. See
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* the Shape extension for the definition of Bounding and Clip
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* regions.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI Ecore_X_Region
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ecore_x_region_new_from_window(Ecore_X_Window window,
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Ecore_X_Region_Type type)
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{
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Ecore_X_Region region = XCB_NONE;
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#ifdef ECORE_XCB_FIXES
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region = xcb_generate_id(_ecore_xcb_conn);
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xcb_xfixes_create_region_from_window(_ecore_xcb_conn, region, window, type);
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#endif /* ECORE_XCB_FIXES */
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return region;
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} /* ecore_x_region_new_from_window */
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/**
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* Create a region from a graphic context.
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* @param gc The graphic context used to initialize the region.
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* @return The newly created region.
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*
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* Creates a region initialized from the clip list of @p gc.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI Ecore_X_Region
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ecore_x_region_new_from_gc(Ecore_X_GC gc)
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{
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Ecore_X_Region region = XCB_NONE;
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#ifdef ECORE_XCB_FIXES
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region = xcb_generate_id(_ecore_xcb_conn);
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xcb_xfixes_create_region_from_gc(_ecore_xcb_conn, region, gc);
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#endif /* ECORE_XCB_FIXES */
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return region;
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} /* ecore_x_region_new_from_gc */
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/**
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* Create a region from a picture.
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* @param picture The picture used to initialize the region.
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* @return The newly created region.
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*
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* Creates a region initialized from the clip list of @p picture.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI Ecore_X_Region
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ecore_x_region_new_from_picture(Ecore_X_Picture picture)
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{
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Ecore_X_Region region = XCB_NONE;
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#ifdef ECORE_XCB_FIXES
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region = xcb_generate_id(_ecore_xcb_conn);
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xcb_xfixes_create_region_from_picture(_ecore_xcb_conn, region, picture);
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#endif /* ECORE_XCB_FIXES */
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return region;
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} /* ecore_x_region_new_from_picture */
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/**
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* Destroy a region.
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* @param region The region to destroy.
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*
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* Destroy the specified @p region.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI void
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ecore_x_region_free(Ecore_X_Region region)
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{
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#ifdef ECORE_XCB_FIXES
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xcb_xfixes_destroy_region(_ecore_xcb_conn, region);
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_free */
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/**
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* Set the content of a region.
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* @param region The region to destroy.
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* @param rects The rectangles used to set the region.
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* @param num The number of rectangles.
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*
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* Replace the current contents of @p region with the region formed
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* by the union of the rectangles @p rects.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI void
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ecore_x_region_set(Ecore_X_Region region,
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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_FIXES
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xcb_xfixes_set_region(_ecore_xcb_conn, region, num, (xcb_rectangle_t *)rects);
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_set */
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/**
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* Copy the content of a region.
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* @param dest The destination region.
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* @param source The source region.
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*
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* Replace the contents of @p dest with the contents of @p source.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI void
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ecore_x_region_copy(Ecore_X_Region dest,
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Ecore_X_Region source)
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{
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#ifdef ECORE_XCB_FIXES
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xcb_xfixes_copy_region(_ecore_xcb_conn, source, dest);
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_copy */
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/**
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* Make the union of two regions.
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* @param dest The destination region.
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* @param source1 The first source region.
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* @param source2 The second source region.
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*
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* Replace the contents of @p dest with the union of @p source1 and
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* @p source2.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI void
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ecore_x_region_combine(Ecore_X_Region dest,
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Ecore_X_Region source1,
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Ecore_X_Region source2)
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{
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#ifdef ECORE_XCB_FIXES
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xcb_xfixes_union_region(_ecore_xcb_conn, source1, source2, dest);
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_combine */
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/**
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* Make the intersection of two regions.
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* @param dest The destination region.
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* @param source1 The first source region.
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* @param source2 The second source region.
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*
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* Replace the contents of @p dest with the intersection of @p source1 and
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* @p source2.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI void
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ecore_x_region_intersect(Ecore_X_Region dest,
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Ecore_X_Region source1,
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Ecore_X_Region source2)
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{
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#ifdef ECORE_XCB_FIXES
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xcb_xfixes_intersect_region(_ecore_xcb_conn, source1, source2, dest);
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_intersect */
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/**
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* Make the substraction of two regions.
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* @param dest The destination region.
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* @param source1 The first source region.
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* @param source2 The second source region.
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*
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* Replace the contents of @p dest with the substraction of @p source1 by
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* @p source2.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI void
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ecore_x_region_subtract(Ecore_X_Region dest,
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Ecore_X_Region source1,
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Ecore_X_Region source2)
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{
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#ifdef ECORE_XCB_FIXES
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xcb_xfixes_subtract_region(_ecore_xcb_conn, source1, source2, dest);
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_subtract */
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/**
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* Make the substraction of regions by bounds.
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* @param dest The destination region.
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* @param bounds The bounds.
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* @param source The source region.
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*
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* The @p source region is subtracted from the region specified by
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* @p bounds. The result is placed in @p dest, replacing its
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* contents.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI void
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ecore_x_region_invert(Ecore_X_Region dest,
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Ecore_X_Rectangle *bounds,
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Ecore_X_Region source)
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{
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#ifdef ECORE_XCB_FIXES
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xcb_rectangle_t rect;
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rect.x = bounds->x;
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rect.y = bounds->y;
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rect.width = bounds->width;
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rect.height = bounds->height;
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xcb_xfixes_invert_region(_ecore_xcb_conn, source, rect, dest);
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_invert */
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/**
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* Translate a region.
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* @param region The region to translate.
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* @param dx The horizontal translation.
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* @param dy The vertical translation.
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*
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* The @p region is translated by @p dx and @p dy in place.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI void
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ecore_x_region_translate(Ecore_X_Region region,
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int dx,
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int dy)
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{
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#ifdef ECORE_XCB_FIXES
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xcb_xfixes_translate_region(_ecore_xcb_conn, region, dx, dy);
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_translate */
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/**
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* Extent a region.
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* @param dest The destination region.
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* @param source The source region.
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*
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* The extents of the @p source region are placed in @p dest.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI void
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ecore_x_region_extents(Ecore_X_Region dest,
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Ecore_X_Region source)
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{
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#ifdef ECORE_XCB_FIXES
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xcb_xfixes_region_extents(_ecore_xcb_conn, source, dest);
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_extents */
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/**
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* Sends the XFixesFetchRegion request.
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* @param region Requested region.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI void
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ecore_x_region_fetch_prefetch(Ecore_X_Region region)
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{
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#ifdef ECORE_XCB_FIXES
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xcb_xfixes_fetch_region_cookie_t cookie;
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cookie = xcb_xfixes_fetch_region_unchecked(_ecore_xcb_conn, region);
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_ecore_xcb_cookie_cache(cookie.sequence);
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_fetch_prefetch */
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/**
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* Gets the reply of the XFixesFetchRegion request sent by ecore_xcb_region_fetch_prefetch().
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI void
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ecore_x_region_fetch_fetch(void)
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{
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#ifdef ECORE_XCB_FIXES
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xcb_xfixes_fetch_region_cookie_t cookie;
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xcb_xfixes_fetch_region_reply_t *reply;
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cookie.sequence = _ecore_xcb_cookie_get();
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reply = xcb_xfixes_fetch_region_reply(_ecore_xcb_conn, cookie, NULL);
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_ecore_xcb_reply_cache(reply);
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_fetch_fetch */
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/**
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* Return the rectangles that compose a region.
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* @param region The region (Unused).
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* @param num The number of returned rectangles.
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* @param bounds The returned bounds of the region.
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* @return The returned rectangles.
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*
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* The @p region passed to ecore_xcb_region_fetch_prefetch() is
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* returned as a list of rectagles in XY-banded order.
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*
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* To use this function, you must call before, and in order,
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* ecore_xcb_region_fetch_prefetch(), which sends the XFixesFetchRegion request,
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* then ecore_xcb_region_fetch_fetch(), which gets the reply.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI Ecore_X_Rectangle *
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ecore_x_region_fetch(Ecore_X_Region region __UNUSED__,
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int *num,
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Ecore_X_Rectangle *bounds)
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{
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Ecore_X_Rectangle extents = { 0, 0, 0, 0};
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Ecore_X_Rectangle *rects = NULL;
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#ifdef ECORE_XCB_FIXES
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int n;
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xcb_xfixes_fetch_region_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)
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*num = 0;
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if (bounds)
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*bounds = extents;
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return NULL;
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}
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n = xcb_xfixes_fetch_region_rectangles_length(reply);
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rects = (Ecore_X_Rectangle *)malloc(n * sizeof(Ecore_X_Rectangle));
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if (!rects)
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{
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if (num)
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*num = 0;
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if (bounds)
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*bounds = extents;
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return NULL;
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}
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if (num)
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*num = n;
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if (bounds)
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{
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bounds->x = reply->extents.x;
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bounds->y = reply->extents.y;
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bounds->width = reply->extents.width;
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bounds->height = reply->extents.height;
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}
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memcpy(rects,
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xcb_xfixes_fetch_region_rectangles(reply),
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sizeof(Ecore_X_Rectangle) * n);
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return rects;
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#else /* ifdef ECORE_XCB_FIXES */
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if (num)
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*num = 0;
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if (bounds)
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*bounds = extents;
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return NULL;
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_fetch */
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/**
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* Expand a region.
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* @param dest The destination region.
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* @param source The source region.
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* @param left The number of pixels to add on the left.
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* @param right The number of pixels to add on the right.
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* @param top The number of pixels to add at the top.
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* @param bottom The number of pixels to add at the bottom.
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*
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* Put in @p dest the area specified by expanding each rectangle in
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* the @p source region by the specified number of pixels to the
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* @p left, @p right, @p top and @p bottom.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI void
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ecore_x_region_expand(Ecore_X_Region dest,
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Ecore_X_Region source,
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unsigned int left,
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unsigned int right,
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unsigned int top,
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unsigned int bottom)
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{
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#ifdef ECORE_XCB_FIXES
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xcb_xfixes_expand_region(_ecore_xcb_conn, source, dest, left, right, top, bottom);
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_expand */
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/**
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* Change clip-mask in a graphic context to the specified region.
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* @param region The region to change.
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* @param gc The clip-mask graphic context.
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* @param x_origin The horizontal translation.
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* @param y_origin The vertical translation.
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*
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* Changes clip-mask in @p gc to the specified @p region and
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* sets the clip origin with the values of @p x_origin and @p y_origin.
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* Output will be clippped to remain contained within the region. The
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* clip origin is interpreted relative to the origin of whatever
|
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* destination drawable is specified in a graphics request. The
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* region is interpreted relative to the clip origin. Future changes
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* to region have no effect on the gc clip-mask.
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* @ingroup Ecore_X_Fixes_Group
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*/
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EAPI void
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ecore_x_region_gc_clip_set(Ecore_X_Region region,
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Ecore_X_GC gc,
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int x_origin,
|
|
int y_origin)
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{
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#ifdef ECORE_XCB_FIXES
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xcb_xfixes_set_gc_clip_region(_ecore_xcb_conn, gc, region, x_origin, y_origin);
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#endif /* ECORE_XCB_FIXES */
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} /* ecore_x_region_gc_clip_set */
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|
|
|
/**
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* Change the shape extension of a window.
|
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* @param region The region.
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* @param dest The window whose shape is changed.
|
|
* @param type The kind of shape.
|
|
* @param x_offset The horizontal offset.
|
|
* @param y_offset The vertical offset.
|
|
*
|
|
* Set the specified Shape extension region of @p window to @p region,
|
|
* offset by @p x_offset and @p y_offset. Future changes to region
|
|
* have no effect on the window shape.
|
|
* @ingroup Ecore_X_Fixes_Group
|
|
*/
|
|
EAPI void
|
|
ecore_x_region_window_shape_set(Ecore_X_Region region,
|
|
Ecore_X_Window dest,
|
|
Ecore_X_Shape_Type type,
|
|
int x_offset,
|
|
int y_offset)
|
|
{
|
|
#ifdef ECORE_XCB_FIXES
|
|
xcb_xfixes_set_window_shape_region(_ecore_xcb_conn, dest, type, x_offset, y_offset, region);
|
|
#endif /* ECORE_XCB_FIXES */
|
|
} /* ecore_x_region_window_shape_set */
|
|
|
|
/**
|
|
* Change clip-mask in picture to the specified region.
|
|
* @param region The region.
|
|
* @param picture The picture.
|
|
* @param x_origin The X coordinate of the origin.
|
|
* @param y_origin The Y coordinate of the origin.
|
|
*
|
|
* Changes clip-mask in picture to the specified @p region
|
|
* and sets the clip origin. Input and output will be clipped to
|
|
* remain contained within the region. The clip origin is interpreted
|
|
* relative to the origin of the drawable associated with @p picture. The
|
|
* region is interpreted relative to the clip origin. Future changes
|
|
* to region have no effect on the picture clip-mask.
|
|
* @ingroup Ecore_X_Fixes_Group
|
|
*/
|
|
EAPI void
|
|
ecore_x_region_picture_clip_set(Ecore_X_Region region,
|
|
Ecore_X_Picture picture,
|
|
int x_origin,
|
|
int y_origin)
|
|
{
|
|
#ifdef ECORE_XCB_FIXES
|
|
xcb_xfixes_set_picture_clip_region(_ecore_xcb_conn, picture, region, x_origin, y_origin);
|
|
#endif /* ECORE_XCB_FIXES */
|
|
} /* ecore_x_region_picture_clip_set */
|
|
|