ppapi/api/ppb_mouse_cursor.idl

   1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2  * Use of this source code is governed by a BSD-style license that can be
   3  * found in the LICENSE file.
   4  */
   5
   6 /**
   7  * This file defines the <code>PPB_MouseCursor</code> interface for setting
   8  * the mouse cursor.
   9  */
  10
  11 [generate_thunk]
  12
  13 label Chrome {
  14   M19 = 1.0
  15 };
  16
  17 /**
  18  * The <code>PP_MouseCursor_Type</code> enumeration lists the available stock
  19  * cursor types.
  20  */
  21 [assert_size(4), notypedef]
  22 enum PP_MouseCursor_Type {
  23   PP_MOUSECURSOR_TYPE_CUSTOM = -1,
  24   PP_MOUSECURSOR_TYPE_POINTER = 0,
  25   PP_MOUSECURSOR_TYPE_CROSS = 1,
  26   PP_MOUSECURSOR_TYPE_HAND = 2,
  27   PP_MOUSECURSOR_TYPE_IBEAM = 3,
  28   PP_MOUSECURSOR_TYPE_WAIT = 4,
  29   PP_MOUSECURSOR_TYPE_HELP = 5,
  30   PP_MOUSECURSOR_TYPE_EASTRESIZE = 6,
  31   PP_MOUSECURSOR_TYPE_NORTHRESIZE = 7,
  32   PP_MOUSECURSOR_TYPE_NORTHEASTRESIZE = 8,
  33   PP_MOUSECURSOR_TYPE_NORTHWESTRESIZE = 9,
  34   PP_MOUSECURSOR_TYPE_SOUTHRESIZE = 10,
  35   PP_MOUSECURSOR_TYPE_SOUTHEASTRESIZE = 11,
  36   PP_MOUSECURSOR_TYPE_SOUTHWESTRESIZE = 12,
  37   PP_MOUSECURSOR_TYPE_WESTRESIZE = 13,
  38   PP_MOUSECURSOR_TYPE_NORTHSOUTHRESIZE = 14,
  39   PP_MOUSECURSOR_TYPE_EASTWESTRESIZE = 15,
  40   PP_MOUSECURSOR_TYPE_NORTHEASTSOUTHWESTRESIZE = 16,
  41   PP_MOUSECURSOR_TYPE_NORTHWESTSOUTHEASTRESIZE = 17,
  42   PP_MOUSECURSOR_TYPE_COLUMNRESIZE = 18,
  43   PP_MOUSECURSOR_TYPE_ROWRESIZE = 19,
  44   PP_MOUSECURSOR_TYPE_MIDDLEPANNING = 20,
  45   PP_MOUSECURSOR_TYPE_EASTPANNING = 21,
  46   PP_MOUSECURSOR_TYPE_NORTHPANNING = 22,
  47   PP_MOUSECURSOR_TYPE_NORTHEASTPANNING = 23,
  48   PP_MOUSECURSOR_TYPE_NORTHWESTPANNING = 24,
  49   PP_MOUSECURSOR_TYPE_SOUTHPANNING = 25,
  50   PP_MOUSECURSOR_TYPE_SOUTHEASTPANNING = 26,
  51   PP_MOUSECURSOR_TYPE_SOUTHWESTPANNING = 27,
  52   PP_MOUSECURSOR_TYPE_WESTPANNING = 28,
  53   PP_MOUSECURSOR_TYPE_MOVE = 29,
  54   PP_MOUSECURSOR_TYPE_VERTICALTEXT = 30,
  55   PP_MOUSECURSOR_TYPE_CELL = 31,
  56   PP_MOUSECURSOR_TYPE_CONTEXTMENU = 32,
  57   PP_MOUSECURSOR_TYPE_ALIAS = 33,
  58   PP_MOUSECURSOR_TYPE_PROGRESS = 34,
  59   PP_MOUSECURSOR_TYPE_NODROP = 35,
  60   PP_MOUSECURSOR_TYPE_COPY = 36,
  61   PP_MOUSECURSOR_TYPE_NONE = 37,
  62   PP_MOUSECURSOR_TYPE_NOTALLOWED = 38,
  63   PP_MOUSECURSOR_TYPE_ZOOMIN = 39,
  64   PP_MOUSECURSOR_TYPE_ZOOMOUT = 40,
  65   PP_MOUSECURSOR_TYPE_GRAB = 41,
  66   PP_MOUSECURSOR_TYPE_GRABBING = 42
  67 };
  68
  69 /**
  70  * The <code>PPB_MouseCursor</code> allows setting the mouse cursor.
  71  */
  72 interface PPB_MouseCursor {
  73   /**
  74    * Sets the given mouse cursor. The mouse cursor will be in effect whenever
  75    * the mouse is over the given instance until it is set again by another
  76    * call. Note that you can hide the mouse cursor by setting it to the
  77    * <code>PP_MOUSECURSOR_TYPE_NONE</code> type.
  78    *
  79    * This function allows setting both system defined mouse cursors and
  80    * custom cursors. To set a system-defined cursor, pass the type you want
  81    * and set the custom image to 0 and the hot spot to NULL. To set a custom
  82    * cursor, set the type to <code>PP_MOUSECURSOR_TYPE_CUSTOM</code> and
  83    * specify your image and hot spot.
  84    *
  85    * @param[in] instance A <code>PP_Instance</code> identifying the instance
  86    * that the mouse cursor will affect.
  87    *
  88    * @param[in] type A <code>PP_MouseCursor_Type</code> identifying the type of
  89    * mouse cursor to show.
  90    *
  91    * @param[in] image A <code>PPB_ImageData</code> resource identifying the
  92    * custom image to set when the type is
  93    * <code>PP_MOUSECURSOR_TYPE_CUSTOM</code>. The image must be less than 32
  94    * pixels in each direction and must be of the system's native image format.
  95    * When you are specifying a predefined cursor, this parameter must be 0.
  96    *
  97    * @param[in] hot_spot When setting a custom cursor, this identifies the
  98    * pixel position within the given image of the "hot spot" of the cursor.
  99    * When specifying a stock cursor, this parameter is ignored.
 100    *
 101    * @return PP_TRUE on success, or PP_FALSE if the instance or cursor type
 102    * is invalid, or if the image is too large.
 103    */
 104   PP_Bool SetCursor([in] PP_Instance instance,
 105                     [in] PP_MouseCursor_Type type,
 106                     [in] PP_Resource image,
 107                     [in] PP_Point hot_spot);
 108 };