src/lib/ecore_x/xcb/ecore_xcb_drawable.c

   1 /*
   2  * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
   3  */
   4
   5 #include "ecore_xcb_private.h"
   6 #include <xcb/xcb.h>
   7
   8
   9 /**
  10  * @defgroup Ecore_X_Drawable_Group X Drawable Functions
  11  *
  12  * Functions that operate on drawables.
  13  */
  14
  15
  16 /**
  17  * Sends the GetGeometry request.
  18  * @param drawable Drawable whose characteristics are sought.
  19  * @ingroup Ecore_X_Drawable_Group
  20  */
  21 EAPI void
  22 ecore_x_drawable_geometry_get_prefetch(Ecore_X_Drawable drawable)
  23 {
  24    xcb_get_geometry_cookie_t cookie;
  25
  26    cookie = xcb_get_geometry_unchecked(_ecore_xcb_conn, drawable);
  27    _ecore_xcb_cookie_cache(cookie.sequence);
  28 }
  29
  30
  31 /**
  32  * Gets the reply of the GetGeometry request sent by ecore_x_atom_get_prefetch().
  33  * @ingroup Ecore_X_Drawable_Group
  34  */
  35 EAPI void
  36 ecore_x_drawable_geometry_get_fetch(void)
  37 {
  38    xcb_get_geometry_cookie_t cookie;
  39    xcb_get_geometry_reply_t *reply;
  40
  41    cookie.sequence = _ecore_xcb_cookie_get();
  42    reply = xcb_get_geometry_reply(_ecore_xcb_conn, cookie, NULL);
  43    _ecore_xcb_reply_cache(reply);
  44 }
  45
  46
  47 /**
  48  * Retrieves the geometry of the given drawable.
  49  * @param drawable Unused.
  50  * @param x        Pointer to an integer into which the X position is to be stored.
  51  * @param y        Pointer to an integer into which the Y position is to be stored.
  52  * @param width    Pointer to an integer into which the width is to be stored.
  53  * @param height   Pointer to an integer into which the height is to be stored.
  54  *
  55  * To use this function, you must call before, and in order,
  56  * ecore_x_drawable_geometry_get_prefetch(), which sends the GetGeometry request,
  57  * then ecore_x_drawable_geometry_get_fetch(), which gets the reply.
  58  * @ingroup Ecore_X_Drawable_Group
  59  */
  60 EAPI void
  61 ecore_x_drawable_geometry_get(Ecore_X_Drawable drawable __UNUSED__,
  62                               int             *x,
  63                               int             *y,
  64                               int             *width,
  65                               int             *height)
  66 {
  67    xcb_get_geometry_reply_t *reply;
  68
  69    reply = _ecore_xcb_reply_get();
  70    if (!reply)
  71      {
  72         if (x) *x = 0;
  73         if (y) *y = 0;
  74         if (width) *width = 0;
  75         if (height) *height = 0;
  76         return;
  77      }
  78
  79    if (x) *x = reply->x;
  80    if (y) *y = reply->y;
  81    if (width) *width = reply->width;
  82    if (height) *height = reply->height;
  83 }
  84
  85
  86 /**
  87  * Retrieves the width of the border of the given drawable.
  88  * @param  drawable Unused.
  89  * @return          The border width of the given drawable.
  90  *
  91  * To use this function, you must call before, and in order,
  92  * ecore_x_drawable_geometry_get_prefetch(), which sends the GetGeometry request,
  93  * then ecore_x_drawable_geometry_get_fetch(), which gets the reply.
  94  * @ingroup Ecore_X_Drawable_Group
  95  */
  96 EAPI int
  97 ecore_x_drawable_border_width_get(Ecore_X_Drawable drawable __UNUSED__)
  98 {
  99    xcb_get_geometry_reply_t *reply;
 100
 101    reply = _ecore_xcb_reply_get();
 102    if (!reply)
 103      return 0;
 104
 105    return reply->border_width;
 106 }
 107
 108
 109 /**
 110  * Retrieves the depth of the given drawable.
 111  * @param  drawable Unused.
 112  * @return          The depth of the given drawable.
 113  *
 114  * To use this function, you must call before, and in order,
 115  * ecore_x_drawable_geometry_get_prefetch(), which sends the GetGeometry request,
 116  * then ecore_x_drawable_geometry_get_fetch(), which gets the reply.
 117  * @ingroup Ecore_X_Drawable_Group
 118  */
 119 EAPI int
 120 ecore_x_drawable_depth_get(Ecore_X_Drawable drawable __UNUSED__)
 121 {
 122    xcb_get_geometry_reply_t *reply;
 123
 124    reply = _ecore_xcb_reply_get();
 125    if (!reply)
 126      return 0;
 127
 128    return reply->depth;
 129 }