src/modules/comp/e_mod_comp_wl_shell.c

   1 #include "e.h"
   2 #include "e_mod_main.h"
   3 #ifdef HAVE_WAYLAND_CLIENTS
   4 # include "e_mod_comp_wl.h"
   5 # include "e_mod_comp_wl_comp.h"
   6 # include "e_mod_comp_wl_output.h"
   7 # include "e_mod_comp_wl_input.h"
   8 # include "e_mod_comp_wl_shell.h"
   9 # include "e_mod_comp_wl_surface.h"
  10 #endif
  11
  12 /* local function prototypes */
  13 static void _e_mod_comp_wl_shell_bind(struct wl_client *client, void *data, uint32_t version __UNUSED__, uint32_t id);
  14 static void _e_mod_comp_wl_shell_lock(Wayland_Shell *base);
  15 static void _e_mod_comp_wl_shell_unlock(Wayland_Shell *base);
  16 static void _e_mod_comp_wl_shell_map(Wayland_Shell *base, Wayland_Surface *surface, int32_t width, int32_t height);
  17 static void _e_mod_comp_wl_shell_configure(Wayland_Shell *base, Wayland_Surface *surface, int32_t x, int32_t y, int32_t width, int32_t height);
  18 static void _e_mod_comp_wl_shell_destroy(Wayland_Shell *base);
  19 static void _e_mod_comp_wl_shell_activate(Wayland_Shell *base, Wayland_Surface *surface, uint32_t timestamp);
  20
  21 static void _e_mod_comp_wl_shell_shell_surface_get(struct wl_client *client, struct wl_resource *resource, uint32_t id, struct wl_resource *surface_resource);
  22 static void _e_mod_comp_wl_shell_surface_move(struct wl_client *client __UNUSED__, struct wl_resource *resource, struct wl_resource *input_resource, uint32_t timestamp);
  23 static void _e_mod_comp_wl_shell_surface_resize(struct wl_client *client __UNUSED__, struct wl_resource *resource, struct wl_resource *input_resource, uint32_t timestamp, uint32_t edges);
  24 static void _e_mod_comp_wl_shell_surface_set_toplevel(struct wl_client *client __UNUSED__, struct wl_resource *resource);
  25 static void _e_mod_comp_wl_shell_surface_set_transient(struct wl_client *client __UNUSED__, struct wl_resource *resource, struct wl_resource *parent_resource, int32_t x, int32_t y, uint32_t flags __UNUSED__);
  26 static void _e_mod_comp_wl_shell_surface_set_fullscreen(struct wl_client *client __UNUSED__, struct wl_resource *resource, uint32_t method __UNUSED__, uint32_t framerate __UNUSED__, struct wl_resource *output_resource __UNUSED__);
  27 static void _e_mod_comp_wl_shell_surface_set_popup(struct wl_client *client __UNUSED__, struct wl_resource *resource, struct wl_resource *input_resource  __UNUSED__, uint32_t timestamp  __UNUSED__, struct wl_resource *parent_resource, int32_t x, int32_t y, uint32_t flags  __UNUSED__);
  28 static void _e_mod_comp_wl_shell_surface_set_maximized(struct wl_client *client, struct wl_resource *resource, struct wl_resource *output_resource __UNUSED__);
  29
  30 static void _e_mod_comp_wl_shell_surface_destroy_handle(struct wl_listener *listener, struct wl_resource *resource __UNUSED__, uint32_t timestamp);
  31 static Wayland_Shell_Surface *_e_mod_comp_wl_shell_get_shell_surface(Wayland_Surface *ws);
  32 static void _e_mod_comp_wl_shell_surface_destroy(struct wl_resource *resource);
  33
  34 /* wayland interfaces */
  35 static const struct wl_shell_interface _wl_shell_interface =
  36 {
  37    _e_mod_comp_wl_shell_shell_surface_get
  38 };
  39 static const struct wl_shell_surface_interface _wl_shell_surface_interface =
  40 {
  41    _e_mod_comp_wl_shell_surface_move,
  42    _e_mod_comp_wl_shell_surface_resize,
  43    _e_mod_comp_wl_shell_surface_set_toplevel,
  44    _e_mod_comp_wl_shell_surface_set_transient,
  45    _e_mod_comp_wl_shell_surface_set_fullscreen,
  46    _e_mod_comp_wl_shell_surface_set_popup,
  47    _e_mod_comp_wl_shell_surface_set_maximized
  48 };
  49
  50 /* private variables */
  51 struct wl_shell *_wl_shell;
  52
  53 Eina_Bool
  54 e_mod_comp_wl_shell_init(void)
  55 {
  56    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  57
  58    if (!(_wl_shell = malloc(sizeof(*_wl_shell))))
  59      {
  60         EINA_LOG_ERR("Could not allocate space for shell\n");
  61         return EINA_FALSE;
  62      }
  63
  64    memset(_wl_shell, 0, sizeof(*_wl_shell));
  65
  66    _wl_shell->shell.lock = _e_mod_comp_wl_shell_lock;
  67    _wl_shell->shell.unlock = _e_mod_comp_wl_shell_unlock;
  68    _wl_shell->shell.map = _e_mod_comp_wl_shell_map;
  69    _wl_shell->shell.configure = _e_mod_comp_wl_shell_configure;
  70    _wl_shell->shell.destroy = _e_mod_comp_wl_shell_destroy;
  71
  72    if (!wl_display_add_global(_wl_disp, &wl_shell_interface, _wl_shell,
  73                              _e_mod_comp_wl_shell_bind))
  74      {
  75         EINA_LOG_ERR("Could not create shell\n");
  76         free(_wl_shell);
  77         return EINA_FALSE;
  78      }
  79
  80    return EINA_TRUE;
  81 }
  82
  83 void
  84 e_mod_comp_wl_shell_shutdown(void)
  85 {
  86    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  87
  88    if (_wl_shell)
  89      _wl_shell->shell.destroy(&_wl_shell->shell);
  90 }
  91
  92 struct wl_shell *
  93 e_mod_comp_wl_shell_get(void)
  94 {
  95    return _wl_shell;
  96 }
  97
  98 /* local functions */
  99 static void
 100 _e_mod_comp_wl_shell_bind(struct wl_client *client, void *data, uint32_t version __UNUSED__, uint32_t id)
 101 {
 102    struct wl_shell *shell;
 103
 104    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 105
 106    shell = data;
 107    wl_client_add_object(client, &wl_shell_interface, &_wl_shell_interface,
 108                         id, shell);
 109 }
 110
 111 static void
 112 _e_mod_comp_wl_shell_lock(Wayland_Shell *base)
 113 {
 114    struct wl_shell *shell;
 115
 116    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 117
 118    shell = container_of(base, struct wl_shell, shell);
 119 }
 120
 121 static void
 122 _e_mod_comp_wl_shell_unlock(Wayland_Shell *base)
 123 {
 124    struct wl_shell *shell;
 125
 126    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 127
 128    shell = container_of(base, struct wl_shell, shell);
 129 }
 130
 131 static void
 132 _e_mod_comp_wl_shell_map(Wayland_Shell *base, Wayland_Surface *surface, int32_t width, int32_t height)
 133 {
 134    Wayland_Compositor *comp;
 135    Wayland_Shell_Surface *wss;
 136    struct wl_shell *shell;
 137    struct wl_list *list;
 138    uint32_t type;
 139    Eina_Bool do_configure = EINA_FALSE;
 140
 141    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 142
 143    comp = e_mod_comp_wl_comp_get();
 144    type = SHELL_SURFACE_NONE;
 145    shell = container_of(base, struct wl_shell, shell);
 146
 147    if ((wss = _e_mod_comp_wl_shell_get_shell_surface(surface)))
 148      type = wss->type;
 149
 150    if (shell->locked)
 151      {
 152         list = &shell->hidden_surfaces;
 153         do_configure = EINA_FALSE;
 154      }
 155    else
 156      {
 157         list = &comp->surfaces;
 158         do_configure = EINA_TRUE;
 159      }
 160
 161    surface->w = width;
 162    surface->h = height;
 163
 164    switch (type)
 165      {
 166       case SHELL_SURFACE_TOPLEVEL:
 167         surface->x = 10 + random() % 400;
 168         surface->y = 10 + random() % 400;
 169         break;
 170       default:
 171         wl_list_insert(list, &surface->link);
 172         break;
 173      }
 174
 175    if (do_configure)
 176      e_mod_comp_wl_surface_configure(surface, surface->x, surface->y,
 177                                      surface->w, surface->h);
 178
 179    switch (type)
 180      {
 181       case SHELL_SURFACE_TOPLEVEL:
 182       case SHELL_SURFACE_TRANSIENT:
 183       case SHELL_SURFACE_FULLSCREEN:
 184         if (!shell->locked)
 185           _e_mod_comp_wl_shell_activate(base, surface, e_mod_comp_wl_time_get());
 186         break;
 187      }
 188 }
 189
 190 static void
 191 _e_mod_comp_wl_shell_configure(Wayland_Shell *base, Wayland_Surface *surface, int32_t x, int32_t y, int32_t width, int32_t height)
 192 {
 193    struct wl_shell *shell;
 194    Wayland_Shell_Surface *wss;
 195    Wayland_Shell_Surface_Type type;
 196    Eina_Bool do_configure = EINA_FALSE;
 197
 198    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 199
 200    type = SHELL_SURFACE_NONE;
 201    shell = container_of(base, struct wl_shell, shell);
 202    do_configure = !shell->locked;
 203    if ((wss = _e_mod_comp_wl_shell_get_shell_surface(surface)))
 204      type = wss->type;
 205
 206    surface->w = width;
 207    surface->h = height;
 208
 209    switch (type)
 210      {
 211       case SHELL_SURFACE_SCREENSAVER:
 212         do_configure = !do_configure;
 213       case SHELL_SURFACE_FULLSCREEN:
 214         break;
 215       default:
 216         break;
 217      }
 218
 219    if (do_configure)
 220      e_mod_comp_wl_surface_configure(surface, x, y, width, height);
 221 }
 222
 223 static void
 224 _e_mod_comp_wl_shell_destroy(Wayland_Shell *base)
 225 {
 226    struct wl_shell *shell;
 227
 228    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 229
 230    shell = container_of(base, struct wl_shell, shell);
 231    if (shell->child.client) wl_client_destroy(shell->child.client);
 232    free(shell);
 233 }
 234
 235 static void
 236 _e_mod_comp_wl_shell_activate(Wayland_Shell *base, Wayland_Surface *surface, uint32_t timestamp)
 237 {
 238    struct wl_shell *shell;
 239
 240    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 241
 242    shell = container_of(base, struct wl_shell, shell);
 243    e_mod_comp_wl_surface_activate(surface, e_mod_comp_wl_input_get(), timestamp);
 244 }
 245
 246 static void
 247 _e_mod_comp_wl_shell_shell_surface_get(struct wl_client *client, struct wl_resource *resource, uint32_t id, struct wl_resource *surface_resource)
 248 {
 249    Wayland_Surface *ws;
 250    Wayland_Shell_Surface *wss;
 251
 252    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 253
 254    ws = surface_resource->data;
 255    if (_e_mod_comp_wl_shell_get_shell_surface(ws))
 256      {
 257         wl_resource_post_error(surface_resource,
 258                                WL_DISPLAY_ERROR_INVALID_OBJECT,
 259                                "get_shell_surface already requested");
 260         return;
 261      }
 262
 263    if (!(wss = calloc(1, sizeof(*wss))))
 264      {
 265         wl_resource_post_no_memory(resource);
 266         return;
 267      }
 268
 269    wss->resource.destroy = _e_mod_comp_wl_shell_surface_destroy;
 270    wss->resource.object.id = id;
 271    wss->resource.object.interface = &wl_shell_surface_interface;
 272    wss->resource.object.implementation =
 273      (void (**)(void)) &_wl_shell_surface_interface;
 274    wss->resource.data = wss;
 275
 276    wss->surface = ws;
 277    wss->surface_destroy_listener.func =
 278      _e_mod_comp_wl_shell_surface_destroy_handle;
 279    wl_list_insert(ws->surface.resource.destroy_listener_list.prev,
 280                   &wss->surface_destroy_listener.link);
 281
 282    wl_list_init(&wss->link);
 283
 284    wss->type = SHELL_SURFACE_NONE;
 285    wl_client_add_resource(client, &wss->resource);
 286 }
 287
 288 static void
 289 _e_mod_comp_wl_shell_surface_move(struct wl_client *client __UNUSED__, struct wl_resource *resource, struct wl_resource *input_resource, uint32_t timestamp)
 290 {
 291    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 292
 293 }
 294
 295 static void
 296 _e_mod_comp_wl_shell_surface_resize(struct wl_client *client __UNUSED__, struct wl_resource *resource, struct wl_resource *input_resource, uint32_t timestamp, uint32_t edges)
 297 {
 298    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 299
 300 }
 301
 302 static void
 303 _e_mod_comp_wl_shell_surface_set_toplevel(struct wl_client *client __UNUSED__, struct wl_resource *resource)
 304 {
 305    Wayland_Shell_Surface *wss;
 306
 307    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 308
 309    wss = resource->data;
 310
 311    /* TODO: Surface type reset */
 312
 313    e_mod_comp_wl_surface_damage_surface(wss->surface);
 314    wss->type = SHELL_SURFACE_TOPLEVEL;
 315 }
 316
 317 static void
 318 _e_mod_comp_wl_shell_surface_set_transient(struct wl_client *client __UNUSED__, struct wl_resource *resource, struct wl_resource *parent_resource, int32_t x, int32_t y, uint32_t flags __UNUSED__)
 319 {
 320    Wayland_Shell_Surface *wss, *pss;
 321    Wayland_Surface *ws, *pws;
 322
 323    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 324
 325    wss = resource->data;
 326    pss = parent_resource->data;
 327    ws = wss->surface;
 328    pws = pss->surface;
 329
 330    /* TODO: Surface type reset */
 331
 332    ws->x = pws->x + x;
 333    ws->y = pws->y + y;
 334
 335    e_mod_comp_wl_surface_damage_surface(ws);
 336
 337    wss->type = SHELL_SURFACE_TRANSIENT;
 338 }
 339
 340 static void
 341 _e_mod_comp_wl_shell_surface_set_fullscreen(struct wl_client *client __UNUSED__, struct wl_resource *resource, uint32_t method __UNUSED__, uint32_t framerate __UNUSED__, struct wl_resource *output_resource __UNUSED__)
 342 {
 343    Wayland_Shell_Surface *wss;
 344    Wayland_Surface *ws;
 345    Wayland_Output *output;
 346
 347    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 348
 349    wss = resource->data;
 350    ws = wss->surface;
 351    output = e_mod_comp_wl_output_get();
 352
 353    wss->saved_x = ws->x;
 354    wss->saved_y = ws->y;
 355    ws->x = (output->w - ws->w) / 2;
 356    ws->y = (output->h - ws->h) / 2;
 357    e_mod_comp_wl_surface_damage_surface(ws);
 358    wss->type = SHELL_SURFACE_FULLSCREEN;
 359 }
 360
 361 static void
 362 _e_mod_comp_wl_shell_surface_set_popup(struct wl_client *client __UNUSED__, struct wl_resource *resource, struct wl_resource *input_resource  __UNUSED__, uint32_t timestamp  __UNUSED__, struct wl_resource *parent_resource, int32_t x, int32_t y, uint32_t flags  __UNUSED__)
 363 {
 364    Wayland_Shell_Surface *wss;
 365    Wayland_Surface *ws;
 366
 367    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 368
 369    wss = resource->data;
 370    ws = wss->surface;
 371    e_mod_comp_wl_surface_damage_surface(ws);
 372    wss->type = SHELL_SURFACE_POPUP;
 373    wss->parent = parent_resource->data;
 374    wss->popup.x = x;
 375    wss->popup.y = y;
 376 }
 377
 378 static void
 379 _e_mod_comp_wl_shell_surface_set_maximized(struct wl_client *client __UNUSED__, struct wl_resource *resource, struct wl_resource *output_resource __UNUSED__)
 380 {
 381    Wayland_Shell_Surface *wss;
 382    Wayland_Surface *ws;
 383
 384    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 385
 386    wss = resource->data;
 387    ws = wss->surface;
 388    /* FIXME: Implement */
 389 }
 390
 391 static void
 392 _e_mod_comp_wl_shell_surface_destroy_handle(struct wl_listener *listener, struct wl_resource *resource __UNUSED__, uint32_t timestamp)
 393 {
 394    Wayland_Shell_Surface *wss;
 395
 396    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 397
 398    wss = container_of(listener, Wayland_Shell_Surface, surface_destroy_listener);
 399    wss->surface = NULL;
 400    wl_resource_destroy(&wss->resource, timestamp);
 401 }
 402
 403 static Wayland_Shell_Surface *
 404 _e_mod_comp_wl_shell_get_shell_surface(Wayland_Surface *ws)
 405 {
 406    struct wl_list *list;
 407    struct wl_listener *listener;
 408
 409    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 410
 411    list = &ws->surface.resource.destroy_listener_list;
 412    wl_list_for_each(listener, list, link)
 413      {
 414         if (listener->func == _e_mod_comp_wl_shell_surface_destroy_handle)
 415           return container_of(listener, Wayland_Shell_Surface,
 416                               surface_destroy_listener);
 417      }
 418    return NULL;
 419 }
 420
 421 static void
 422 _e_mod_comp_wl_shell_surface_destroy(struct wl_resource *resource)
 423 {
 424    Wayland_Shell_Surface *wss;
 425
 426    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 427
 428    wss = resource->data;
 429
 430    /* TODO: popup grab input */
 431
 432    if (wss->surface) wl_list_remove(&wss->surface_destroy_listener.link);
 433    wl_list_remove(&wss->link);
 434    free(wss);
 435 }