/* Copyright (c) 2012 The Chromium Authors. All rights reserved. * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /* From dev/ppb_cursor_control_dev.idl modified Fri Nov 18 15:58:00 2011. */ #ifndef PPAPI_C_DEV_PPB_CURSOR_CONTROL_DEV_H_ #define PPAPI_C_DEV_PPB_CURSOR_CONTROL_DEV_H_ #include "ppapi/c/dev/pp_cursor_type_dev.h" #include "ppapi/c/pp_bool.h" #include "ppapi/c/pp_instance.h" #include "ppapi/c/pp_macros.h" #include "ppapi/c/pp_point.h" #include "ppapi/c/pp_resource.h" #include "ppapi/c/pp_stdint.h" #define PPB_CURSOR_CONTROL_DEV_INTERFACE_0_4 "PPB_CursorControl(Dev);0.4" #define PPB_CURSOR_CONTROL_DEV_INTERFACE PPB_CURSOR_CONTROL_DEV_INTERFACE_0_4 /** * @file * This file defines the <code>PPB_CursorControl_Dev</code> interface * implemented by the browser for controlling the cursor. */ /** * @addtogroup Interfaces * @{ */ struct PPB_CursorControl_Dev_0_4 { /** * Set a cursor. If "type" is PP_CURSORTYPE_CUSTOM, then "custom_image" * must be an ImageData resource containing the cursor and "hot_spot" must * contain the offset within that image that refers to the cursor's position. */ PP_Bool (*SetCursor)(PP_Instance instance, enum PP_CursorType_Dev type, PP_Resource custom_image, const struct PP_Point* hot_spot); /** * This method causes the cursor to be moved to the center of the * instance and be locked, preventing the user from moving it. * The cursor is implicitly hidden from the user while locked. * Cursor lock may only be requested in response to a * PP_InputEvent_MouseDown, and then only if the event was generated via * user gesture. * * While the cursor is locked, any movement of the mouse will * generate a PP_InputEvent_Type_MouseMove, whose x and y values * indicate the position the cursor would have been moved to had * the cursor not been locked, and had the screen been infinite in size. * * The browser may revoke cursor lock for reasons including but not * limited to the user pressing the ESC key, the user activating * another program via a reserved keystroke (e.g., ALT+TAB), or * some other system event. * * Returns PP_TRUE if the cursor could be locked, PP_FALSE otherwise. */ PP_Bool (*LockCursor)(PP_Instance instance); /** * Causes the cursor to be unlocked, allowing it to track user * movement again. */ PP_Bool (*UnlockCursor)(PP_Instance instance); /** * Returns PP_TRUE if the cursor is locked, PP_FALSE otherwise. */ PP_Bool (*HasCursorLock)(PP_Instance instance); /** * Returns PP_TRUE if the cursor can be locked, PP_FALSE otherwise. */ PP_Bool (*CanLockCursor)(PP_Instance instance); }; typedef struct PPB_CursorControl_Dev_0_4 PPB_CursorControl_Dev; /** * @} */ #endif /* PPAPI_C_DEV_PPB_CURSOR_CONTROL_DEV_H_ */