efl/legacy/ecore/src/lib/ecore_x/xcb/ecore_xcb_shape.c

291 lines
8.7 KiB
C

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