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