Quentin Glidic | 248dd10 | 2016-08-12 10:41:34 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2010-2012 Intel Corporation |
| 3 | * Copyright © 2011-2012 Collabora, Ltd. |
| 4 | * Copyright © 2013 Raspberry Pi Foundation |
| 5 | * Copyright © 2016 Quentin "Sardem FF7" Glidic |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 8 | * copy of this software and associated documentation files (the "Software"), |
| 9 | * to deal in the Software without restriction, including without limitation |
| 10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 11 | * and/or sell copies of the Software, and to permit persons to whom the |
| 12 | * Software is furnished to do so, subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the next |
| 15 | * paragraph) shall be included in all copies or substantial portions of the |
| 16 | * Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 21 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 23 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 24 | * DEALINGS IN THE SOFTWARE. |
| 25 | */ |
| 26 | |
| 27 | #include "config.h" |
| 28 | |
| 29 | #include <assert.h> |
| 30 | |
| 31 | #include <wayland-server.h> |
| 32 | |
| 33 | #include "compositor.h" |
| 34 | #include "zalloc.h" |
| 35 | |
| 36 | #include "libweston-desktop.h" |
| 37 | #include "internal.h" |
| 38 | |
| 39 | #define WD_WL_SHELL_PROTOCOL_VERSION 1 |
| 40 | |
| 41 | enum weston_desktop_wl_shell_surface_state { |
| 42 | NONE, |
| 43 | TOPLEVEL, |
| 44 | MAXIMIZED, |
| 45 | FULLSCREEN, |
| 46 | TRANSIENT, |
| 47 | POPUP, |
| 48 | }; |
| 49 | |
| 50 | struct weston_desktop_wl_shell_surface { |
| 51 | struct wl_resource *resource; |
| 52 | struct weston_desktop *desktop; |
| 53 | struct wl_display *display; |
| 54 | struct weston_desktop_surface *surface; |
| 55 | struct weston_desktop_surface *parent; |
| 56 | bool added; |
| 57 | struct weston_desktop_seat *popup_seat; |
| 58 | enum weston_desktop_wl_shell_surface_state state; |
| 59 | }; |
| 60 | |
| 61 | static void |
| 62 | weston_desktop_wl_shell_surface_set_size(struct weston_desktop_surface *dsurface, |
| 63 | void *user_data, |
| 64 | int32_t width, int32_t height) |
| 65 | { |
| 66 | struct weston_desktop_wl_shell_surface *surface = user_data; |
| 67 | struct weston_surface *wsurface = |
| 68 | weston_desktop_surface_get_surface(surface->surface); |
| 69 | |
| 70 | if (wsurface->width == width && wsurface->height == height) |
| 71 | return; |
| 72 | |
| 73 | wl_shell_surface_send_configure(surface->resource, |
| 74 | WL_SHELL_SURFACE_RESIZE_NONE, |
| 75 | width, height); |
| 76 | } |
| 77 | |
| 78 | static void |
| 79 | weston_desktop_wl_shell_surface_maybe_ungrab(struct weston_desktop_wl_shell_surface *surface) |
| 80 | { |
| 81 | if (surface->state != POPUP || |
| 82 | !weston_desktop_surface_get_grab(surface->surface)) |
| 83 | return; |
| 84 | |
| 85 | weston_desktop_surface_popup_ungrab(surface->surface, |
| 86 | surface->popup_seat); |
| 87 | surface->popup_seat = NULL; |
| 88 | } |
| 89 | |
| 90 | static void |
| 91 | weston_desktop_wl_shell_surface_committed(struct weston_desktop_surface *dsurface, |
Quentin Glidic | 003da88 | 2016-08-15 12:21:39 +0200 | [diff] [blame^] | 92 | void *user_data, |
Quentin Glidic | 248dd10 | 2016-08-12 10:41:34 +0200 | [diff] [blame] | 93 | int32_t sx, int32_t sy) |
| 94 | { |
| 95 | struct weston_desktop_wl_shell_surface *surface = user_data; |
| 96 | struct weston_surface *wsurface = |
| 97 | weston_desktop_surface_get_surface(dsurface); |
| 98 | |
| 99 | if (wsurface->buffer_ref.buffer == NULL) |
| 100 | weston_desktop_wl_shell_surface_maybe_ungrab(surface); |
| 101 | |
| 102 | if (surface->added) |
| 103 | weston_desktop_api_committed(surface->desktop, surface->surface, |
| 104 | sx, sy); |
| 105 | } |
| 106 | |
| 107 | static void |
| 108 | weston_desktop_wl_shell_surface_ping(struct weston_desktop_surface *dsurface, |
| 109 | uint32_t serial, void *user_data) |
| 110 | { |
| 111 | struct weston_desktop_wl_shell_surface *surface = user_data; |
| 112 | |
| 113 | wl_shell_surface_send_ping(surface->resource, serial); |
| 114 | } |
| 115 | |
| 116 | static void |
| 117 | weston_desktop_wl_shell_surface_close(struct weston_desktop_surface *dsurface, |
| 118 | void *user_data) |
| 119 | { |
| 120 | struct weston_desktop_wl_shell_surface *surface = user_data; |
| 121 | |
| 122 | if (surface->state == POPUP) |
| 123 | wl_shell_surface_send_popup_done(surface->resource); |
| 124 | } |
| 125 | |
| 126 | static bool |
| 127 | weston_desktop_wl_shell_surface_get_maximized(struct weston_desktop_surface *dsurface, |
| 128 | void *user_data) |
| 129 | { |
| 130 | struct weston_desktop_wl_shell_surface *surface = user_data; |
| 131 | |
| 132 | return surface->state == MAXIMIZED; |
| 133 | } |
| 134 | |
| 135 | static bool |
| 136 | weston_desktop_wl_shell_surface_get_fullscreen(struct weston_desktop_surface *dsurface, |
| 137 | void *user_data) |
| 138 | { |
| 139 | struct weston_desktop_wl_shell_surface *surface = user_data; |
| 140 | |
| 141 | return surface->state == FULLSCREEN; |
| 142 | } |
| 143 | |
| 144 | static void |
| 145 | weston_desktop_wl_shell_change_state(struct weston_desktop_wl_shell_surface *surface, |
| 146 | enum weston_desktop_wl_shell_surface_state state, |
| 147 | struct weston_desktop_surface *parent, |
| 148 | int32_t x, int32_t y) |
| 149 | { |
| 150 | bool to_add = (parent == NULL); |
| 151 | |
| 152 | assert(state != NONE); |
| 153 | |
| 154 | if (to_add && surface->added) |
| 155 | return; |
| 156 | |
| 157 | if (surface->state != state) { |
| 158 | if (surface->state == POPUP) |
| 159 | weston_desktop_wl_shell_surface_maybe_ungrab(surface); |
| 160 | |
| 161 | if (to_add) { |
| 162 | weston_desktop_surface_unset_relative_to(surface->surface); |
| 163 | weston_desktop_api_surface_added(surface->desktop, |
| 164 | surface->surface); |
| 165 | } else if (surface->added) { |
| 166 | weston_desktop_api_surface_removed(surface->desktop, |
| 167 | surface->surface); |
| 168 | } |
| 169 | |
| 170 | surface->state = state; |
| 171 | surface->added = to_add; |
| 172 | } |
| 173 | |
| 174 | if (parent != NULL) |
| 175 | weston_desktop_surface_set_relative_to(surface->surface, parent, |
| 176 | x, y, false); |
| 177 | } |
| 178 | |
| 179 | static void |
| 180 | weston_desktop_wl_shell_surface_destroy(struct weston_desktop_surface *dsurface, |
| 181 | void *user_data) |
| 182 | { |
| 183 | struct weston_desktop_wl_shell_surface *surface = user_data; |
| 184 | |
| 185 | weston_desktop_wl_shell_surface_maybe_ungrab(surface); |
| 186 | weston_desktop_surface_unset_relative_to(surface->surface); |
| 187 | if (surface->added) |
| 188 | weston_desktop_api_surface_removed(surface->desktop, |
| 189 | surface->surface); |
| 190 | |
| 191 | free(surface); |
| 192 | } |
| 193 | |
| 194 | static void |
| 195 | weston_desktop_wl_shell_surface_protocol_pong(struct wl_client *wl_client, |
| 196 | struct wl_resource *resource, |
| 197 | uint32_t serial) |
| 198 | { |
| 199 | struct weston_desktop_surface *surface = wl_resource_get_user_data(resource); |
| 200 | |
| 201 | weston_desktop_client_pong(weston_desktop_surface_get_client(surface), serial); |
| 202 | } |
| 203 | |
| 204 | static void |
| 205 | weston_desktop_wl_shell_surface_protocol_move(struct wl_client *wl_client, |
| 206 | struct wl_resource *resource, |
| 207 | struct wl_resource *seat_resource, |
| 208 | uint32_t serial) |
| 209 | { |
| 210 | struct weston_desktop_surface *dsurface = |
| 211 | wl_resource_get_user_data(resource); |
| 212 | struct weston_seat *seat = |
| 213 | wl_resource_get_user_data(seat_resource); |
| 214 | struct weston_desktop_wl_shell_surface *surface = |
| 215 | weston_desktop_surface_get_implementation_data(dsurface); |
| 216 | |
| 217 | weston_desktop_api_move(surface->desktop, dsurface, seat, serial); |
| 218 | } |
| 219 | |
| 220 | static void |
| 221 | weston_desktop_wl_shell_surface_protocol_resize(struct wl_client *wl_client, |
| 222 | struct wl_resource *resource, |
| 223 | struct wl_resource *seat_resource, |
| 224 | uint32_t serial, |
| 225 | enum wl_shell_surface_resize edges) |
| 226 | { |
| 227 | struct weston_desktop_surface *dsurface = |
| 228 | wl_resource_get_user_data(resource); |
| 229 | struct weston_seat *seat = wl_resource_get_user_data(seat_resource); |
| 230 | struct weston_desktop_wl_shell_surface *surface = |
| 231 | weston_desktop_surface_get_implementation_data(dsurface); |
| 232 | |
| 233 | weston_desktop_api_resize(surface->desktop, dsurface, seat, serial, edges); |
| 234 | } |
| 235 | |
| 236 | static void |
| 237 | weston_desktop_wl_shell_surface_protocol_set_toplevel(struct wl_client *wl_client, |
| 238 | struct wl_resource *resource) |
| 239 | { |
| 240 | struct weston_desktop_surface *dsurface = |
| 241 | wl_resource_get_user_data(resource); |
| 242 | struct weston_desktop_wl_shell_surface *surface = |
| 243 | weston_desktop_surface_get_implementation_data(dsurface); |
| 244 | |
| 245 | weston_desktop_wl_shell_change_state(surface, TOPLEVEL, NULL, 0, 0); |
| 246 | if (surface->parent == NULL) |
| 247 | return; |
| 248 | surface->parent = NULL; |
| 249 | weston_desktop_api_set_parent(surface->desktop, surface->surface, NULL); |
| 250 | } |
| 251 | |
| 252 | static void |
| 253 | weston_desktop_wl_shell_surface_protocol_set_transient(struct wl_client *wl_client, |
| 254 | struct wl_resource *resource, |
| 255 | struct wl_resource *parent_resource, |
| 256 | int32_t x, int32_t y, |
| 257 | enum wl_shell_surface_transient flags) |
| 258 | { |
| 259 | struct weston_desktop_surface *dsurface = |
| 260 | wl_resource_get_user_data(resource); |
| 261 | struct weston_surface *wparent = |
| 262 | wl_resource_get_user_data(parent_resource); |
| 263 | struct weston_desktop_surface *parent; |
| 264 | struct weston_desktop_wl_shell_surface *surface = |
| 265 | weston_desktop_surface_get_implementation_data(dsurface); |
| 266 | |
| 267 | if (!weston_surface_is_desktop_surface(wparent)) |
| 268 | return; |
| 269 | |
| 270 | parent = weston_surface_get_desktop_surface(wparent); |
| 271 | if (flags & WL_SHELL_SURFACE_TRANSIENT_INACTIVE) { |
| 272 | weston_desktop_wl_shell_change_state(surface, TRANSIENT, parent, |
| 273 | x, y); |
| 274 | } else { |
| 275 | weston_desktop_wl_shell_change_state(surface, TOPLEVEL, NULL, |
| 276 | 0, 0); |
| 277 | surface->parent = parent; |
| 278 | weston_desktop_api_set_parent(surface->desktop, |
| 279 | surface->surface, parent); |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | static void |
| 284 | weston_desktop_wl_shell_surface_protocol_set_fullscreen(struct wl_client *wl_client, |
| 285 | struct wl_resource *resource, |
| 286 | enum wl_shell_surface_fullscreen_method method, |
| 287 | uint32_t framerate, |
| 288 | struct wl_resource *output_resource) |
| 289 | { |
| 290 | struct weston_desktop_surface *dsurface = |
| 291 | wl_resource_get_user_data(resource); |
| 292 | struct weston_desktop_wl_shell_surface *surface = |
| 293 | weston_desktop_surface_get_implementation_data(dsurface); |
| 294 | struct weston_output *output = NULL; |
| 295 | |
| 296 | if (output_resource != NULL) |
| 297 | output = wl_resource_get_user_data(output_resource); |
| 298 | |
| 299 | weston_desktop_wl_shell_change_state(surface, FULLSCREEN, NULL, 0, 0); |
| 300 | weston_desktop_api_fullscreen_requested(surface->desktop, dsurface, |
| 301 | true, output); |
| 302 | } |
| 303 | |
| 304 | static void |
| 305 | weston_desktop_wl_shell_surface_protocol_set_popup(struct wl_client *wl_client, |
| 306 | struct wl_resource *resource, |
| 307 | struct wl_resource *seat_resource, |
| 308 | uint32_t serial, |
| 309 | struct wl_resource *parent_resource, |
| 310 | int32_t x, int32_t y, |
| 311 | enum wl_shell_surface_transient flags) |
| 312 | { |
| 313 | struct weston_desktop_surface *dsurface = |
| 314 | wl_resource_get_user_data(resource); |
| 315 | struct weston_seat *wseat = wl_resource_get_user_data(seat_resource); |
| 316 | struct weston_desktop_seat *seat = weston_desktop_seat_from_seat(wseat); |
| 317 | struct weston_surface *parent = |
| 318 | wl_resource_get_user_data(parent_resource); |
| 319 | struct weston_desktop_surface *parent_surface; |
| 320 | struct weston_desktop_wl_shell_surface *surface = |
| 321 | weston_desktop_surface_get_implementation_data(dsurface); |
| 322 | |
| 323 | if (seat == NULL) { |
| 324 | wl_client_post_no_memory(wl_client); |
| 325 | return; |
| 326 | } |
| 327 | |
| 328 | if (!weston_surface_is_desktop_surface(parent)) |
| 329 | return; |
| 330 | |
| 331 | parent_surface = weston_surface_get_desktop_surface(parent); |
| 332 | |
| 333 | weston_desktop_wl_shell_change_state(surface, POPUP, |
| 334 | parent_surface, x, y); |
| 335 | weston_desktop_surface_popup_grab(surface->surface, seat, serial); |
| 336 | surface->popup_seat = seat; |
| 337 | } |
| 338 | |
| 339 | static void |
| 340 | weston_desktop_wl_shell_surface_protocol_set_maximized(struct wl_client *wl_client, |
| 341 | struct wl_resource *resource, |
| 342 | struct wl_resource *output_resource) |
| 343 | { |
| 344 | struct weston_desktop_surface *dsurface = |
| 345 | wl_resource_get_user_data(resource); |
| 346 | struct weston_desktop_wl_shell_surface *surface = |
| 347 | weston_desktop_surface_get_implementation_data(dsurface); |
| 348 | |
| 349 | weston_desktop_wl_shell_change_state(surface, MAXIMIZED, NULL, 0, 0); |
| 350 | weston_desktop_api_maximized_requested(surface->desktop, dsurface, true); |
| 351 | } |
| 352 | |
| 353 | static void |
| 354 | weston_desktop_wl_shell_surface_protocol_set_title(struct wl_client *wl_client, |
| 355 | struct wl_resource *resource, |
| 356 | const char *title) |
| 357 | { |
| 358 | struct weston_desktop_surface *surface = |
| 359 | wl_resource_get_user_data(resource); |
| 360 | |
| 361 | weston_desktop_surface_set_title(surface, title); |
| 362 | } |
| 363 | |
| 364 | static void |
| 365 | weston_desktop_wl_shell_surface_protocol_set_class(struct wl_client *wl_client, |
| 366 | struct wl_resource *resource, |
| 367 | const char *class_) |
| 368 | { |
| 369 | struct weston_desktop_surface *surface = |
| 370 | wl_resource_get_user_data(resource); |
| 371 | |
| 372 | weston_desktop_surface_set_app_id(surface, class_); |
| 373 | } |
| 374 | |
| 375 | |
| 376 | static const struct wl_shell_surface_interface weston_desktop_wl_shell_surface_implementation = { |
| 377 | .pong = weston_desktop_wl_shell_surface_protocol_pong, |
| 378 | .move = weston_desktop_wl_shell_surface_protocol_move, |
| 379 | .resize = weston_desktop_wl_shell_surface_protocol_resize, |
| 380 | .set_toplevel = weston_desktop_wl_shell_surface_protocol_set_toplevel, |
| 381 | .set_transient = weston_desktop_wl_shell_surface_protocol_set_transient, |
| 382 | .set_fullscreen = weston_desktop_wl_shell_surface_protocol_set_fullscreen, |
| 383 | .set_popup = weston_desktop_wl_shell_surface_protocol_set_popup, |
| 384 | .set_maximized = weston_desktop_wl_shell_surface_protocol_set_maximized, |
| 385 | .set_title = weston_desktop_wl_shell_surface_protocol_set_title, |
| 386 | .set_class = weston_desktop_wl_shell_surface_protocol_set_class, |
| 387 | }; |
| 388 | |
| 389 | static const struct weston_desktop_surface_implementation weston_desktop_wl_shell_surface_internal_implementation = { |
| 390 | .set_size = weston_desktop_wl_shell_surface_set_size, |
| 391 | .committed = weston_desktop_wl_shell_surface_committed, |
| 392 | .ping = weston_desktop_wl_shell_surface_ping, |
| 393 | .close = weston_desktop_wl_shell_surface_close, |
| 394 | |
| 395 | .get_maximized = weston_desktop_wl_shell_surface_get_maximized, |
| 396 | .get_fullscreen = weston_desktop_wl_shell_surface_get_fullscreen, |
| 397 | |
| 398 | .destroy = weston_desktop_wl_shell_surface_destroy, |
| 399 | }; |
| 400 | |
| 401 | static void |
| 402 | weston_desktop_wl_shell_protocol_get_shell_surface(struct wl_client *wl_client, |
| 403 | struct wl_resource *resource, |
| 404 | uint32_t id, |
| 405 | struct wl_resource *surface_resource) |
| 406 | { |
| 407 | struct weston_desktop_client *client = wl_resource_get_user_data(resource); |
| 408 | struct weston_surface *wsurface = wl_resource_get_user_data(surface_resource); |
| 409 | struct weston_desktop_wl_shell_surface *surface; |
| 410 | |
| 411 | |
| 412 | if (weston_surface_set_role(wsurface, "wl_shell_surface", resource, WL_SHELL_ERROR_ROLE) < 0) |
| 413 | return; |
| 414 | |
| 415 | surface = zalloc(sizeof(struct weston_desktop_wl_shell_surface)); |
| 416 | if (surface == NULL) { |
| 417 | wl_client_post_no_memory(wl_client); |
| 418 | return; |
| 419 | } |
| 420 | |
| 421 | surface->desktop = weston_desktop_client_get_desktop(client); |
| 422 | surface->display = weston_desktop_get_display(surface->desktop); |
| 423 | |
| 424 | surface->surface = |
| 425 | weston_desktop_surface_create(surface->desktop, client, wsurface, |
| 426 | &weston_desktop_wl_shell_surface_internal_implementation, |
| 427 | surface); |
| 428 | if (surface->surface == NULL) { |
| 429 | free(surface); |
| 430 | return; |
| 431 | } |
| 432 | |
| 433 | surface->resource = |
| 434 | weston_desktop_surface_add_resource(surface->surface, |
| 435 | &wl_shell_surface_interface, |
| 436 | &weston_desktop_wl_shell_surface_implementation, |
| 437 | id, NULL); |
| 438 | } |
| 439 | |
| 440 | |
| 441 | static const struct wl_shell_interface weston_desktop_wl_shell_implementation = { |
| 442 | .get_shell_surface = weston_desktop_wl_shell_protocol_get_shell_surface, |
| 443 | }; |
| 444 | |
| 445 | static void |
| 446 | weston_desktop_wl_shell_bind(struct wl_client *client, void *data, |
| 447 | uint32_t version, uint32_t id) |
| 448 | { |
| 449 | struct weston_desktop *desktop = data; |
| 450 | |
| 451 | weston_desktop_client_create(desktop, client, NULL, &wl_shell_interface, |
| 452 | &weston_desktop_wl_shell_implementation, |
| 453 | version, id); |
| 454 | } |
| 455 | |
| 456 | struct wl_global * |
| 457 | weston_desktop_wl_shell_create(struct weston_desktop *desktop, |
| 458 | struct wl_display *display) |
| 459 | { |
| 460 | return wl_global_create(display, |
| 461 | &wl_shell_interface, |
| 462 | WD_WL_SHELL_PROTOCOL_VERSION, desktop, |
| 463 | weston_desktop_wl_shell_bind); |
| 464 | } |