src/video/wayland/SDL_waylandwindow.c
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Sat, 28 Mar 2015 19:43:46 +0100
changeset 9468 d001cff818bb
parent 9467 975453c4e217
child 9469 3f8d36ffd19d
permissions -rw-r--r--
Wayland: Specify the output we want to put our window on.

Fixes Bugzilla #2803.
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2014 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 #include "../../SDL_internal.h"
    23 
    24 #if SDL_VIDEO_DRIVER_WAYLAND && SDL_VIDEO_OPENGL_EGL
    25 
    26 #include "../SDL_sysvideo.h"
    27 #include "../../events/SDL_windowevents_c.h"
    28 #include "../SDL_egl_c.h"
    29 #include "SDL_waylandwindow.h"
    30 #include "SDL_waylandvideo.h"
    31 #include "SDL_waylandtouch.h"
    32 #include "SDL_waylanddyn.h"
    33 
    34 static void
    35 handle_ping(void *data, struct wl_shell_surface *shell_surface,
    36             uint32_t serial)
    37 {
    38     wl_shell_surface_pong(shell_surface, serial);
    39 }
    40 
    41 static void
    42 handle_configure(void *data, struct wl_shell_surface *shell_surface,
    43                  uint32_t edges, int32_t width, int32_t height)
    44 {
    45     SDL_WindowData *wind = (SDL_WindowData *)data;
    46     SDL_Window *window = wind->sdlwindow;
    47     struct wl_region *region;
    48 
    49     window->w = width;
    50     window->h = height;
    51     WAYLAND_wl_egl_window_resize(wind->egl_window, window->w, window->h, 0, 0);
    52 
    53     region = wl_compositor_create_region(wind->waylandData->compositor);
    54     wl_region_add(region, 0, 0, window->w, window->h);
    55     wl_surface_set_opaque_region(wind->surface, region);
    56     wl_region_destroy(region);
    57     SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, window->w, window->h);
    58 }
    59 
    60 static void
    61 handle_popup_done(void *data, struct wl_shell_surface *shell_surface)
    62 {
    63 }
    64 
    65 static const struct wl_shell_surface_listener shell_surface_listener = {
    66     handle_ping,
    67     handle_configure,
    68     handle_popup_done
    69 };
    70 
    71 #ifdef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH
    72 static void
    73 handle_onscreen_visibility(void *data,
    74         struct qt_extended_surface *qt_extended_surface, int32_t visible)
    75 {
    76 }
    77 
    78 static void
    79 handle_set_generic_property(void *data,
    80         struct qt_extended_surface *qt_extended_surface, const char *name,
    81         struct wl_array *value)
    82 {
    83 }
    84 
    85 static void
    86 handle_close(void *data, struct qt_extended_surface *qt_extended_surface)
    87 {
    88     SDL_WindowData *window = (SDL_WindowData *)data;
    89     SDL_SendWindowEvent(window->sdlwindow, SDL_WINDOWEVENT_CLOSE, 0, 0);
    90 }
    91 
    92 static const struct qt_extended_surface_listener extended_surface_listener = {
    93     handle_onscreen_visibility,
    94     handle_set_generic_property,
    95     handle_close,
    96 };
    97 #endif /* SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH */
    98 
    99 SDL_bool
   100 Wayland_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
   101 {
   102     SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
   103 
   104     info->info.wl.display = data->waylandData->display;
   105     info->info.wl.surface = data->surface;
   106     info->info.wl.shell_surface = data->shell_surface;
   107     info->subsystem = SDL_SYSWM_WAYLAND;
   108 
   109     return SDL_TRUE;
   110 }
   111 
   112 void Wayland_ShowWindow(_THIS, SDL_Window *window)
   113 {
   114     SDL_WindowData *wind = window->driverdata;
   115 
   116     if (window->flags & SDL_WINDOW_FULLSCREEN)
   117         wl_shell_surface_set_fullscreen(wind->shell_surface,
   118                                         WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT,
   119                                         0, (struct wl_output *)window->fullscreen_mode.driverdata);
   120     else
   121         wl_shell_surface_set_toplevel(wind->shell_surface);
   122 
   123     WAYLAND_wl_display_flush( ((SDL_VideoData*)_this->driverdata)->display );
   124 }
   125 
   126 void
   127 Wayland_SetWindowFullscreen(_THIS, SDL_Window * window,
   128                             SDL_VideoDisplay * _display, SDL_bool fullscreen)
   129 {
   130     SDL_WindowData *wind = window->driverdata;
   131 
   132     if (fullscreen)
   133         wl_shell_surface_set_fullscreen(wind->shell_surface,
   134                                         WL_SHELL_SURFACE_FULLSCREEN_METHOD_SCALE,
   135                                         0, (struct wl_output *)_display->driverdata);
   136     else
   137         wl_shell_surface_set_toplevel(wind->shell_surface);
   138 
   139     WAYLAND_wl_display_flush( ((SDL_VideoData*)_this->driverdata)->display );
   140 }
   141 
   142 int Wayland_CreateWindow(_THIS, SDL_Window *window)
   143 {
   144     SDL_WindowData *data;
   145     SDL_VideoData *c;
   146     struct wl_region *region;
   147 
   148     data = calloc(1, sizeof *data);
   149     if (data == NULL)
   150         return 0;
   151 
   152     c = _this->driverdata;
   153     window->driverdata = data;
   154 
   155     if (!(window->flags & SDL_WINDOW_OPENGL)) {
   156         SDL_GL_LoadLibrary(NULL);
   157         window->flags |= SDL_WINDOW_OPENGL;
   158     }
   159 
   160     if (window->x == SDL_WINDOWPOS_UNDEFINED) {
   161         window->x = 0;
   162     }
   163     if (window->y == SDL_WINDOWPOS_UNDEFINED) {
   164         window->y = 0;
   165     }
   166 
   167     data->waylandData = c;
   168     data->sdlwindow = window;
   169 
   170     data->surface =
   171         wl_compositor_create_surface(c->compositor);
   172     wl_surface_set_user_data(data->surface, data);
   173     data->shell_surface = wl_shell_get_shell_surface(c->shell,
   174                                                      data->surface);
   175 #ifdef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH    
   176     if (c->surface_extension) {
   177         data->extended_surface = qt_surface_extension_get_extended_surface(
   178                 c->surface_extension, data->surface);
   179     }
   180 #endif /* SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH */
   181 
   182     data->egl_window = WAYLAND_wl_egl_window_create(data->surface,
   183                                             window->w, window->h);
   184 
   185     /* Create the GLES window surface */
   186     data->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType) data->egl_window);
   187     
   188     if (data->egl_surface == EGL_NO_SURFACE) {
   189         SDL_SetError("failed to create a window surface");
   190         return -1;
   191     }
   192 
   193     if (data->shell_surface) {
   194         wl_shell_surface_set_user_data(data->shell_surface, data);
   195         wl_shell_surface_add_listener(data->shell_surface,
   196                                       &shell_surface_listener, data);
   197     }
   198 
   199 #ifdef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH
   200     if (data->extended_surface) {
   201         qt_extended_surface_set_user_data(data->extended_surface, data);
   202         qt_extended_surface_add_listener(data->extended_surface,
   203                                          &extended_surface_listener, data);
   204     }
   205 #endif /* SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH */
   206 
   207     region = wl_compositor_create_region(c->compositor);
   208     wl_region_add(region, 0, 0, window->w, window->h);
   209     wl_surface_set_opaque_region(data->surface, region);
   210     wl_region_destroy(region);
   211 
   212     WAYLAND_wl_display_flush(c->display);
   213 
   214     return 0;
   215 }
   216 
   217 void Wayland_SetWindowSize(_THIS, SDL_Window * window)
   218 {
   219     SDL_VideoData *data = _this->driverdata;
   220     SDL_WindowData *wind = window->driverdata;
   221     struct wl_region *region;
   222 
   223     WAYLAND_wl_egl_window_resize(wind->egl_window, window->w, window->h, 0, 0);
   224 
   225     region =wl_compositor_create_region(data->compositor);
   226     wl_region_add(region, 0, 0, window->w, window->h);
   227     wl_surface_set_opaque_region(wind->surface, region);
   228     wl_region_destroy(region);
   229 }
   230 
   231 void Wayland_DestroyWindow(_THIS, SDL_Window *window)
   232 {
   233     SDL_VideoData *data = _this->driverdata;
   234     SDL_WindowData *wind = window->driverdata;
   235 
   236     if (data) {
   237         SDL_EGL_DestroySurface(_this, wind->egl_surface);
   238         WAYLAND_wl_egl_window_destroy(wind->egl_window);
   239 
   240         if (wind->shell_surface)
   241             wl_shell_surface_destroy(wind->shell_surface);
   242 
   243 #ifdef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH
   244         if (wind->extended_surface)
   245             qt_extended_surface_destroy(wind->extended_surface);
   246 #endif /* SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH */
   247         wl_surface_destroy(wind->surface);
   248 
   249         SDL_free(wind);
   250         WAYLAND_wl_display_flush(data->display);
   251     }
   252     window->driverdata = NULL;
   253 }
   254 
   255 #endif /* SDL_VIDEO_DRIVER_WAYLAND && SDL_VIDEO_OPENGL_EGL */
   256 
   257 /* vi: set ts=4 sw=4 expandtab: */