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      1 /*
      2   Simple DirectMedia Layer
      3   Copyright (C) 1997-2014 Sam Lantinga <slouken (at) libsdl.org>
      4 
      5   This software is provided 'as-is', without any express or implied
      6   warranty.  In no event will the authors be held liable for any damages
      7   arising from the use of this software.
      8 
      9   Permission is granted to anyone to use this software for any purpose,
     10   including commercial applications, and to alter it and redistribute it
     11   freely, subject to the following restrictions:
     12 
     13   1. The origin of this software must not be misrepresented; you must not
     14      claim that you wrote the original software. If you use this software
     15      in a product, an acknowledgment in the product documentation would be
     16      appreciated but is not required.
     17   2. Altered source versions must be plainly marked as such, and must not be
     18      misrepresented as being the original software.
     19   3. This notice may not be removed or altered from any source distribution.
     20 */
     21 
     22 /**
     23  *  \file SDL_syswm.h
     24  *
     25  *  Include file for SDL custom system window manager hooks.
     26  */
     27 
     28 #ifndef _SDL_syswm_h
     29 #define _SDL_syswm_h
     30 
     31 #include "SDL_stdinc.h"
     32 #include "SDL_error.h"
     33 #include "SDL_video.h"
     34 #include "SDL_version.h"
     35 
     36 #include "begin_code.h"
     37 /* Set up for C function definitions, even when using C++ */
     38 #ifdef __cplusplus
     39 extern "C" {
     40 #endif
     41 
     42 /**
     43  *  \file SDL_syswm.h
     44  *
     45  *  Your application has access to a special type of event ::SDL_SYSWMEVENT,
     46  *  which contains window-manager specific information and arrives whenever
     47  *  an unhandled window event occurs.  This event is ignored by default, but
     48  *  you can enable it with SDL_EventState().
     49  */
     50 #ifdef SDL_PROTOTYPES_ONLY
     51 struct SDL_SysWMinfo;
     52 #else
     53 
     54 #if defined(SDL_VIDEO_DRIVER_WINDOWS)
     55 #define WIN32_LEAN_AND_MEAN
     56 #include <windows.h>
     57 #endif
     58 
     59 #if defined(SDL_VIDEO_DRIVER_WINRT)
     60 #include <Inspectable.h>
     61 #endif
     62 
     63 /* This is the structure for custom window manager events */
     64 #if defined(SDL_VIDEO_DRIVER_X11)
     65 #if defined(__APPLE__) && defined(__MACH__)
     66 /* conflicts with Quickdraw.h */
     67 #define Cursor X11Cursor
     68 #endif
     69 
     70 #include <X11/Xlib.h>
     71 #include <X11/Xatom.h>
     72 
     73 #if defined(__APPLE__) && defined(__MACH__)
     74 /* matches the re-define above */
     75 #undef Cursor
     76 #endif
     77 
     78 #endif /* defined(SDL_VIDEO_DRIVER_X11) */
     79 
     80 #if defined(SDL_VIDEO_DRIVER_DIRECTFB)
     81 #include <directfb.h>
     82 #endif
     83 
     84 #if defined(SDL_VIDEO_DRIVER_COCOA)
     85 #ifdef __OBJC__
     86 #include <Cocoa/Cocoa.h>
     87 #else
     88 typedef struct _NSWindow NSWindow;
     89 #endif
     90 #endif
     91 
     92 #if defined(SDL_VIDEO_DRIVER_UIKIT)
     93 #ifdef __OBJC__
     94 #include <UIKit/UIKit.h>
     95 #else
     96 typedef struct _UIWindow UIWindow;
     97 typedef struct _UIViewController UIViewController;
     98 #endif
     99 #endif
    100 
    101 #if defined(SDL_VIDEO_DRIVER_MIR)
    102 #include <mir_toolkit/mir_client_library.h>
    103 #endif
    104 
    105 
    106 /**
    107  *  These are the various supported windowing subsystems
    108  */
    109 typedef enum
    110 {
    111     SDL_SYSWM_UNKNOWN,
    112     SDL_SYSWM_WINDOWS,
    113     SDL_SYSWM_X11,
    114     SDL_SYSWM_DIRECTFB,
    115     SDL_SYSWM_COCOA,
    116     SDL_SYSWM_UIKIT,
    117     SDL_SYSWM_WAYLAND,
    118     SDL_SYSWM_MIR,
    119     SDL_SYSWM_WINRT,
    120 } SDL_SYSWM_TYPE;
    121 
    122 /**
    123  *  The custom event structure.
    124  */
    125 struct SDL_SysWMmsg
    126 {
    127     SDL_version version;
    128     SDL_SYSWM_TYPE subsystem;
    129     union
    130     {
    131 #if defined(SDL_VIDEO_DRIVER_WINDOWS)
    132         struct {
    133             HWND hwnd;                  /**< The window for the message */
    134             UINT msg;                   /**< The type of message */
    135             WPARAM wParam;              /**< WORD message parameter */
    136             LPARAM lParam;              /**< LONG message parameter */
    137         } win;
    138 #endif
    139 #if defined(SDL_VIDEO_DRIVER_X11)
    140         struct {
    141             XEvent event;
    142         } x11;
    143 #endif
    144 #if defined(SDL_VIDEO_DRIVER_DIRECTFB)
    145         struct {
    146             DFBEvent event;
    147         } dfb;
    148 #endif
    149 #if defined(SDL_VIDEO_DRIVER_COCOA)
    150         struct
    151         {
    152             /* No Cocoa window events yet */
    153         } cocoa;
    154 #endif
    155 #if defined(SDL_VIDEO_DRIVER_UIKIT)
    156         struct
    157         {
    158             /* No UIKit window events yet */
    159         } uikit;
    160 #endif
    161         /* Can't have an empty union */
    162         int dummy;
    163     } msg;
    164 };
    165 
    166 /**
    167  *  The custom window manager information structure.
    168  *
    169  *  When this structure is returned, it holds information about which
    170  *  low level system it is using, and will be one of SDL_SYSWM_TYPE.
    171  */
    172 struct SDL_SysWMinfo
    173 {
    174     SDL_version version;
    175     SDL_SYSWM_TYPE subsystem;
    176     union
    177     {
    178 #if defined(SDL_VIDEO_DRIVER_WINDOWS)
    179         struct
    180         {
    181             HWND window;                /**< The window handle */
    182         } win;
    183 #endif
    184 #if defined(SDL_VIDEO_DRIVER_WINRT)
    185         struct
    186         {
    187             IInspectable * window;      /**< The WinRT CoreWindow */
    188         } winrt;
    189 #endif
    190 #if defined(SDL_VIDEO_DRIVER_X11)
    191         struct
    192         {
    193             Display *display;           /**< The X11 display */
    194             Window window;              /**< The X11 window */
    195         } x11;
    196 #endif
    197 #if defined(SDL_VIDEO_DRIVER_DIRECTFB)
    198         struct
    199         {
    200             IDirectFB *dfb;             /**< The directfb main interface */
    201             IDirectFBWindow *window;    /**< The directfb window handle */
    202             IDirectFBSurface *surface;  /**< The directfb client surface */
    203         } dfb;
    204 #endif
    205 #if defined(SDL_VIDEO_DRIVER_COCOA)
    206         struct
    207         {
    208             NSWindow *window;           /* The Cocoa window */
    209         } cocoa;
    210 #endif
    211 #if defined(SDL_VIDEO_DRIVER_UIKIT)
    212         struct
    213         {
    214             UIWindow *window;           /* The UIKit window */
    215         } uikit;
    216 #endif
    217 #if defined(SDL_VIDEO_DRIVER_WAYLAND)
    218         struct
    219         {
    220             struct wl_display *display;            /**< Wayland display */
    221             struct wl_surface *surface;            /**< Wayland surface */
    222             struct wl_shell_surface *shell_surface; /**< Wayland shell_surface (window manager handle) */
    223         } wl;
    224 #endif
    225 #if defined(SDL_VIDEO_DRIVER_MIR)
    226         struct
    227         {
    228             MirConnection *connection;  /**< Mir display server connection */
    229             MirSurface *surface;  /**< Mir surface */
    230         } mir;
    231 #endif
    232 
    233         /* Can't have an empty union */
    234         int dummy;
    235     } info;
    236 };
    237 
    238 #endif /* SDL_PROTOTYPES_ONLY */
    239 
    240 typedef struct SDL_SysWMinfo SDL_SysWMinfo;
    241 
    242 /* Function prototypes */
    243 /**
    244  *  \brief This function allows access to driver-dependent window information.
    245  *
    246  *  \param window The window about which information is being requested
    247  *  \param info This structure must be initialized with the SDL version, and is
    248  *              then filled in with information about the given window.
    249  *
    250  *  \return SDL_TRUE if the function is implemented and the version member of
    251  *          the \c info struct is valid, SDL_FALSE otherwise.
    252  *
    253  *  You typically use this function like this:
    254  *  \code
    255  *  SDL_SysWMinfo info;
    256  *  SDL_VERSION(&info.version);
    257  *  if ( SDL_GetWindowWMInfo(window, &info) ) { ... }
    258  *  \endcode
    259  */
    260 extern DECLSPEC SDL_bool SDLCALL SDL_GetWindowWMInfo(SDL_Window * window,
    261                                                      SDL_SysWMinfo * info);
    262 
    263 
    264 /* Ends C function definitions when using C++ */
    265 #ifdef __cplusplus
    266 }
    267 #endif
    268 #include "close_code.h"
    269 
    270 #endif /* _SDL_syswm_h */
    271 
    272 /* vi: set ts=4 sw=4 expandtab: */
    273