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GUI_HOOK.h
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1 /*********************************************************************
2 * SEGGER Microcontroller GmbH & Co. KG *
3 * Solutions for real time microcontroller applications *
4 **********************************************************************
5 * *
6 * (c) 1996 - 2015 SEGGER Microcontroller GmbH & Co. KG *
7 * *
8 * Internet: www.segger.com Support: support@segger.com *
9 * *
10 **********************************************************************
11 
12 ** emWin V5.28 - Graphical user interface for embedded applications **
13 All Intellectual Property rights in the Software belongs to SEGGER.
14 emWin is protected by international copyright laws. Knowledge of the
15 source code may not be used to write a similar product. This file may
16 only be used in accordance with the following terms:
17 
18 The software has been licensed to STMicroelectronics International
19 N.V. a Dutch company with a Swiss branch and its headquarters in Plan-
20 les-Ouates, Geneva, 39 Chemin du Champ des Filles, Switzerland for the
21 purposes of creating libraries for ARM Cortex-M-based 32-bit microcon_
22 troller products commercialized by Licensee only, sublicensed and dis_
23 tributed under the terms and conditions of the End User License Agree_
24 ment supplied by STMicroelectronics International N.V.
25 Full source code is available at: www.segger.com
26 
27 We appreciate your understanding and fairness.
28 ----------------------------------------------------------------------
29 File : GUI_HOOK.h
30 Purpose : Hook handling routines
31 --------------------END-OF-HEADER-------------------------------------
32 */
33 
34 #ifndef GUI_HOOK_H
35 #define GUI_HOOK_H
36 
37 #include "WM_Intern.h"
38 
39 #if GUI_WINSUPPORT
40 
41 #if defined(__cplusplus)
42 extern "C" { /* Make sure we have C-declarations in C++ programs */
43 #endif
44 
45 /*********************************************************************
46 *
47 * Types
48 *
49 **********************************************************************
50 */
51 
52 typedef int GUI_HOOK_FUNC(WM_MESSAGE* pMsg);
53 
54 typedef struct GUI_HOOK {
55  struct GUI_HOOK* pNext;
56  GUI_HOOK_FUNC* pHookFunc;
57 } GUI_HOOK;
58 
59 /*********************************************************************
60 *
61 * Functions
62 *
63 **********************************************************************
64 */
65 
66 void GUI_HOOK_Add (GUI_HOOK** ppFirstHook, GUI_HOOK* pNewHook, GUI_HOOK_FUNC* pHookFunc);
67 void GUI_HOOK_Remove(GUI_HOOK** ppFirstHook, GUI_HOOK* pHook);
68 
69 #if defined(__cplusplus)
70  }
71 #endif
72 
73 #endif /* GUI_WINSUPPORT */
74 #endif /* GUI_HOOK_H */
75 
76 /*************************** End of file ****************************/
WM_Intern.h
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