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SDL_waylandtouch.h (11227B)

      1 /*
      2   Simple DirectMedia Layer
      3   Copyright (C) 1997-2020 Sam Lantinga <slouken@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 #ifndef SDL_waylandtouch_h_
     23 #define SDL_waylandtouch_h_
     24 
     25 #include "../../SDL_internal.h"
     26 
     27 #ifdef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH
     28 
     29 #include "SDL_waylandvideo.h"
     30 #include <stdint.h>
     31 #include <stddef.h>
     32 #include "wayland-util.h"
     33 #include "SDL_waylanddyn.h"
     34 
     35 
     36 void Wayland_touch_create(SDL_VideoData *data, uint32_t id);
     37 void Wayland_touch_destroy(SDL_VideoData *data);
     38 
     39 struct qt_touch_extension;
     40 
     41 /* Autogenerated QT headers */
     42 
     43 /*
     44  Support for Wayland with QmlCompositor as Server
     45 ================================================
     46 
     47 The Wayland video driver has support for some additional features when
     48 using QtWayland's "qmlcompositor" as Wayland server. This is needed for touch
     49 input when running SDL applications under a qmlcompositor Wayland server.
     50 
     51 The files following headers have been
     52 generated from the Wayland XML Protocol Definition in QtWayland as follows:
     53 
     54 Clone QtWayland from Git:
     55     http://qt.gitorious.org/qt/qtwayland/
     56 
     57 Generate headers and glue code:
     58     for extension in touch-extension surface-extension windowmanager; do
     59         wayland-scanner client-header < src/extensions/$extension.xml > wayland-qt-$extension.h
     60         wayland-scanner code < src/extensions/$extension.xml > wayland-qt-$extension.c
     61     done
     62 
     63 */
     64 
     65 /* wayland-qt-surface-extension.h */
     66 
     67 struct wl_client;
     68 struct wl_resource;
     69 
     70 struct qt_surface_extension;
     71 struct qt_extended_surface;
     72 
     73 extern const struct wl_interface qt_surface_extension_interface;
     74 extern const struct wl_interface qt_extended_surface_interface;
     75 
     76 #define QT_SURFACE_EXTENSION_GET_EXTENDED_SURFACE   0
     77 
     78 static inline void
     79 qt_surface_extension_set_user_data(struct qt_surface_extension *qt_surface_extension, void *user_data)
     80 {
     81     wl_proxy_set_user_data((struct wl_proxy *) qt_surface_extension, user_data);
     82 }
     83 
     84 static inline void *
     85 qt_surface_extension_get_user_data(struct qt_surface_extension *qt_surface_extension)
     86 {
     87     return wl_proxy_get_user_data((struct wl_proxy *) qt_surface_extension);
     88 }
     89 
     90 static inline void
     91 qt_surface_extension_destroy(struct qt_surface_extension *qt_surface_extension)
     92 {
     93     WAYLAND_wl_proxy_destroy((struct wl_proxy *) qt_surface_extension);
     94 }
     95 
     96 static inline struct qt_extended_surface *
     97 qt_surface_extension_get_extended_surface(struct qt_surface_extension *qt_surface_extension, struct wl_surface *surface)
     98 {
     99     struct wl_proxy *id;
    100 
    101     id = wl_proxy_create((struct wl_proxy *) qt_surface_extension,
    102                  &qt_extended_surface_interface);
    103     if (!id)
    104         return NULL;
    105 
    106     WAYLAND_wl_proxy_marshal((struct wl_proxy *) qt_surface_extension,
    107              QT_SURFACE_EXTENSION_GET_EXTENDED_SURFACE, id, surface);
    108 
    109     return (struct qt_extended_surface *) id;
    110 }
    111 
    112 #ifndef QT_EXTENDED_SURFACE_ORIENTATION_ENUM
    113 #define QT_EXTENDED_SURFACE_ORIENTATION_ENUM
    114 enum qt_extended_surface_orientation {
    115     QT_EXTENDED_SURFACE_ORIENTATION_PRIMARYORIENTATION = 0,
    116     QT_EXTENDED_SURFACE_ORIENTATION_PORTRAITORIENTATION = 1,
    117     QT_EXTENDED_SURFACE_ORIENTATION_LANDSCAPEORIENTATION = 2,
    118     QT_EXTENDED_SURFACE_ORIENTATION_INVERTEDPORTRAITORIENTATION = 4,
    119     QT_EXTENDED_SURFACE_ORIENTATION_INVERTEDLANDSCAPEORIENTATION = 8,
    120 };
    121 #endif /* QT_EXTENDED_SURFACE_ORIENTATION_ENUM */
    122 
    123 #ifndef QT_EXTENDED_SURFACE_WINDOWFLAG_ENUM
    124 #define QT_EXTENDED_SURFACE_WINDOWFLAG_ENUM
    125 enum qt_extended_surface_windowflag {
    126     QT_EXTENDED_SURFACE_WINDOWFLAG_OVERRIDESSYSTEMGESTURES = 1,
    127     QT_EXTENDED_SURFACE_WINDOWFLAG_STAYSONTOP = 2,
    128 };
    129 #endif /* QT_EXTENDED_SURFACE_WINDOWFLAG_ENUM */
    130 
    131 struct qt_extended_surface_listener {
    132     /**
    133      * onscreen_visibility - (none)
    134      * @visible: (none)
    135      */
    136     void (*onscreen_visibility)(void *data,
    137                     struct qt_extended_surface *qt_extended_surface,
    138                     int32_t visible);
    139     /**
    140      * set_generic_property - (none)
    141      * @name: (none)
    142      * @value: (none)
    143      */
    144     void (*set_generic_property)(void *data,
    145                      struct qt_extended_surface *qt_extended_surface,
    146                      const char *name,
    147                      struct wl_array *value);
    148     /**
    149      * close - (none)
    150      */
    151     void (*close)(void *data,
    152               struct qt_extended_surface *qt_extended_surface);
    153 };
    154 
    155 static inline int
    156 qt_extended_surface_add_listener(struct qt_extended_surface *qt_extended_surface,
    157                  const struct qt_extended_surface_listener *listener, void *data)
    158 {
    159     return wl_proxy_add_listener((struct wl_proxy *) qt_extended_surface,
    160                      (void (**)(void)) listener, data);
    161 }
    162 
    163 #define QT_EXTENDED_SURFACE_UPDATE_GENERIC_PROPERTY 0
    164 #define QT_EXTENDED_SURFACE_SET_CONTENT_ORIENTATION 1
    165 #define QT_EXTENDED_SURFACE_SET_WINDOW_FLAGS    2
    166 
    167 static inline void
    168 qt_extended_surface_set_user_data(struct qt_extended_surface *qt_extended_surface, void *user_data)
    169 {
    170     WAYLAND_wl_proxy_set_user_data((struct wl_proxy *) qt_extended_surface, user_data);
    171 }
    172 
    173 static inline void *
    174 qt_extended_surface_get_user_data(struct qt_extended_surface *qt_extended_surface)
    175 {
    176     return WAYLAND_wl_proxy_get_user_data((struct wl_proxy *) qt_extended_surface);
    177 }
    178 
    179 static inline void
    180 qt_extended_surface_destroy(struct qt_extended_surface *qt_extended_surface)
    181 {
    182     WAYLAND_wl_proxy_destroy((struct wl_proxy *) qt_extended_surface);
    183 }
    184 
    185 static inline void
    186 qt_extended_surface_update_generic_property(struct qt_extended_surface *qt_extended_surface, const char *name, struct wl_array *value)
    187 {
    188     WAYLAND_wl_proxy_marshal((struct wl_proxy *) qt_extended_surface,
    189              QT_EXTENDED_SURFACE_UPDATE_GENERIC_PROPERTY, name, value);
    190 }
    191 
    192 static inline void
    193 qt_extended_surface_set_content_orientation(struct qt_extended_surface *qt_extended_surface, int32_t orientation)
    194 {
    195     WAYLAND_wl_proxy_marshal((struct wl_proxy *) qt_extended_surface,
    196              QT_EXTENDED_SURFACE_SET_CONTENT_ORIENTATION, orientation);
    197 }
    198 
    199 static inline void
    200 qt_extended_surface_set_window_flags(struct qt_extended_surface *qt_extended_surface, int32_t flags)
    201 {
    202     WAYLAND_wl_proxy_marshal((struct wl_proxy *) qt_extended_surface,
    203              QT_EXTENDED_SURFACE_SET_WINDOW_FLAGS, flags);
    204 }
    205 
    206 /* wayland-qt-touch-extension.h */
    207 
    208 extern const struct wl_interface qt_touch_extension_interface;
    209 
    210 #ifndef QT_TOUCH_EXTENSION_FLAGS_ENUM
    211 #define QT_TOUCH_EXTENSION_FLAGS_ENUM
    212 enum qt_touch_extension_flags {
    213     QT_TOUCH_EXTENSION_FLAGS_MOUSE_FROM_TOUCH = 0x1,
    214 };
    215 #endif /* QT_TOUCH_EXTENSION_FLAGS_ENUM */
    216 
    217 struct qt_touch_extension_listener {
    218     /**
    219      * touch - (none)
    220      * @time: (none)
    221      * @id: (none)
    222      * @state: (none)
    223      * @x: (none)
    224      * @y: (none)
    225      * @normalized_x: (none)
    226      * @normalized_y: (none)
    227      * @width: (none)
    228      * @height: (none)
    229      * @pressure: (none)
    230      * @velocity_x: (none)
    231      * @velocity_y: (none)
    232      * @flags: (none)
    233      * @rawdata: (none)
    234      */
    235     void (*touch)(void *data,
    236               struct qt_touch_extension *qt_touch_extension,
    237               uint32_t time,
    238               uint32_t id,
    239               uint32_t state,
    240               int32_t x,
    241               int32_t y,
    242               int32_t normalized_x,
    243               int32_t normalized_y,
    244               int32_t width,
    245               int32_t height,
    246               uint32_t pressure,
    247               int32_t velocity_x,
    248               int32_t velocity_y,
    249               uint32_t flags,
    250               struct wl_array *rawdata);
    251     /**
    252      * configure - (none)
    253      * @flags: (none)
    254      */
    255     void (*configure)(void *data,
    256               struct qt_touch_extension *qt_touch_extension,
    257               uint32_t flags);
    258 };
    259 
    260 static inline int
    261 qt_touch_extension_add_listener(struct qt_touch_extension *qt_touch_extension,
    262                 const struct qt_touch_extension_listener *listener, void *data)
    263 {
    264     return wl_proxy_add_listener((struct wl_proxy *) qt_touch_extension,
    265                      (void (**)(void)) listener, data);
    266 }
    267 
    268 #define QT_TOUCH_EXTENSION_DUMMY    0
    269 
    270 static inline void
    271 qt_touch_extension_set_user_data(struct qt_touch_extension *qt_touch_extension, void *user_data)
    272 {
    273     WAYLAND_wl_proxy_set_user_data((struct wl_proxy *) qt_touch_extension, user_data);
    274 }
    275 
    276 static inline void *
    277 qt_touch_extension_get_user_data(struct qt_touch_extension *qt_touch_extension)
    278 {
    279     return WAYLAND_wl_proxy_get_user_data((struct wl_proxy *) qt_touch_extension);
    280 }
    281 
    282 static inline void
    283 qt_touch_extension_destroy(struct qt_touch_extension *qt_touch_extension)
    284 {
    285     WAYLAND_wl_proxy_destroy((struct wl_proxy *) qt_touch_extension);
    286 }
    287 
    288 static inline void
    289 qt_touch_extension_dummy(struct qt_touch_extension *qt_touch_extension)
    290 {
    291     WAYLAND_wl_proxy_marshal((struct wl_proxy *) qt_touch_extension,
    292              QT_TOUCH_EXTENSION_DUMMY);
    293 }
    294 
    295 
    296 /* wayland-qt-windowmanager.h */
    297 
    298 extern const struct wl_interface qt_windowmanager_interface;
    299 
    300 struct qt_windowmanager_listener {
    301     /**
    302      * hints - (none)
    303      * @show_is_fullscreen: (none)
    304      */
    305     void (*hints)(void *data,
    306               struct qt_windowmanager *qt_windowmanager,
    307               int32_t show_is_fullscreen);
    308     /**
    309      * quit - (none)
    310      */
    311     void (*quit)(void *data,
    312              struct qt_windowmanager *qt_windowmanager);
    313 };
    314 
    315 static inline int
    316 qt_windowmanager_add_listener(struct qt_windowmanager *qt_windowmanager,
    317                   const struct qt_windowmanager_listener *listener, void *data)
    318 {
    319     return wl_proxy_add_listener((struct wl_proxy *) qt_windowmanager,
    320                      (void (**)(void)) listener, data);
    321 }
    322 
    323 #define QT_WINDOWMANAGER_OPEN_URL   0
    324 
    325 static inline void
    326 qt_windowmanager_set_user_data(struct qt_windowmanager *qt_windowmanager, void *user_data)
    327 {
    328     WAYLAND_wl_proxy_set_user_data((struct wl_proxy *) qt_windowmanager, user_data);
    329 }
    330 
    331 static inline void *
    332 qt_windowmanager_get_user_data(struct qt_windowmanager *qt_windowmanager)
    333 {
    334     return WAYLAND_wl_proxy_get_user_data((struct wl_proxy *) qt_windowmanager);
    335 }
    336 
    337 static inline void
    338 qt_windowmanager_destroy(struct qt_windowmanager *qt_windowmanager)
    339 {
    340     WAYLAND_wl_proxy_destroy((struct wl_proxy *) qt_windowmanager);
    341 }
    342 
    343 static inline void
    344 qt_windowmanager_open_url(struct qt_windowmanager *qt_windowmanager, uint32_t remaining, const char *url)
    345 {
    346     WAYLAND_wl_proxy_marshal((struct wl_proxy *) qt_windowmanager,
    347              QT_WINDOWMANAGER_OPEN_URL, remaining, url);
    348 }
    349 
    350 #endif /* SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH */
    351 
    352 #endif /* SDL_waylandtouch_h_ */