modules/control/win32touch.h

   1 /*****************************************************************************
   2  * win32touch.c: touch gestures recognition
   3  *****************************************************************************
   4  * Copyright © 2013-2014 VideoLAN
   5  *
   6  * Authors: Ludovic Fauvet <etix@videolan.org>
   7  *          Jean-Baptiste Kempf <jb@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifndef VLC_GESTURE_H_
  25 #define VLC_GESTURE_H_
  26
  27 # ifdef _WIN32_WINNT
  28 #  undef _WIN32_WINNT
  29 # endif
  30 # define _WIN32_WINNT 0x0601
  31 # include <windows.h>
  32 # include <winuser.h>
  33
  34 #ifdef HAVE_CONFIG_H
  35 # include "config.h"
  36 #endif
  37
  38 #include <vlc_common.h>
  39
  40 #ifndef WM_GESTURE
  41 # define WM_GESTURE 0x0119
  42 #endif
  43
  44 #ifdef __cplusplus
  45 extern "C" {
  46 #endif
  47
  48 enum {
  49     GESTURE_ACTION_UNDEFINED = 0,
  50     GESTURE_ACTION_VOLUME,
  51     GESTURE_ACTION_JUMP,
  52     GESTURE_ACTION_BRIGHTNESS
  53 };
  54
  55 typedef struct {
  56     DWORD       i_type;                 /* Gesture ID */
  57     int         i_action;               /* GESTURE_ACTION */
  58
  59     int         i_beginx;               /* Start X position */
  60     int         i_beginy;               /* Start Y position */
  61     int         i_lasty;                /* Last known Y position for PAN */
  62
  63     ULONGLONG   i_ullArguments;         /* Base values to compare between 2 zoom gestures */
  64     bool        b_2fingers;             /* Did we detect 2 fingers? */
  65
  66     HINSTANCE   huser_dll;              /* user32.dll */
  67     BOOL (WINAPI * OurCloseGestureInfoHandle)(HGESTUREINFO hGestureInfo);
  68     BOOL (WINAPI * OurGetGestureInfo)(HGESTUREINFO hGestureInfo, PGESTUREINFO pGestureInfo);
  69 } win32_gesture_sys_t;
  70
  71
  72 BOOL InitGestures( HWND hwnd, win32_gesture_sys_t **p_gesture );
  73
  74 LRESULT DecodeGesture( vlc_object_t *p_intf, win32_gesture_sys_t *p_gesture,
  75         HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam );
  76
  77 void CloseGestures( win32_gesture_sys_t *p_gesture );
  78
  79 #ifdef __cplusplus
  80 }
  81 #endif
  82
  83 #endif