src/compositor.h

   1 /*
   2  * Copyright © 2008-2011 Kristian Høgsberg
   3  * Copyright © 2012 Collabora, Ltd.
   4  *
   5  * Permission to use, copy, modify, distribute, and sell this software and
   6  * its documentation for any purpose is hereby granted without fee, provided
   7  * that the above copyright notice appear in all copies and that both that
   8  * copyright notice and this permission notice appear in supporting
   9  * documentation, and that the name of the copyright holders not be used in
  10  * advertising or publicity pertaining to distribution of the software
  11  * without specific, written prior permission.  The copyright holders make
  12  * no representations about the suitability of this software for any
  13  * purpose.  It is provided "as is" without express or implied warranty.
  14  *
  15  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
  16  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  17  * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
  18  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
  19  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
  20  * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  21  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  22  */
  23
  24 #ifndef _WAYLAND_SYSTEM_COMPOSITOR_H_
  25 #define _WAYLAND_SYSTEM_COMPOSITOR_H_
  26
  27 #include <pixman.h>
  28 #include <xkbcommon/xkbcommon.h>
  29 #include <wayland-server.h>
  30
  31 #include <GLES2/gl2.h>
  32 #include <GLES2/gl2ext.h>
  33 #include <EGL/egl.h>
  34 #include <EGL/eglext.h>
  35
  36 #include "matrix.h"
  37 #include "../shared/config-parser.h"
  38 #include "weston-egl-ext.h"
  39
  40
  41 struct weston_transform {
  42         struct weston_matrix matrix;
  43         struct wl_list link;
  44 };
  45
  46 struct weston_surface;
  47 struct shell_surface;
  48 struct weston_seat;
  49 struct weston_output;
  50
  51 enum weston_keyboard_modifier {
  52         MODIFIER_CTRL = (1 << 0),
  53         MODIFIER_ALT = (1 << 1),
  54         MODIFIER_SUPER = (1 << 2),
  55 };
  56
  57 enum weston_led {
  58         LED_NUM_LOCK = (1 << 0),
  59         LED_CAPS_LOCK = (1 << 1),
  60         LED_SCROLL_LOCK = (1 << 2),
  61 };
  62
  63 struct weston_mode {
  64         uint32_t flags;
  65         int32_t width, height;
  66         uint32_t refresh;
  67         struct wl_list link;
  68 };
  69
  70 struct weston_shell_client {
  71         void (*send_configure)(struct weston_surface *surface,
  72                                uint32_t edges, int32_t width, int32_t height);
  73 };
  74
  75 struct weston_shell_interface {
  76         void *shell;                    /* either desktop or tablet */
  77
  78         struct shell_surface *(*create_shell_surface)(void *shell,
  79                                                       struct weston_surface *surface,
  80                                                       const struct weston_shell_client *client);
  81
  82         void (*set_toplevel)(struct shell_surface *shsurf);
  83
  84         void (*set_transient)(struct shell_surface *shsurf,
  85                               struct shell_surface *pshsurf,
  86                               int x, int y, uint32_t flags);
  87         int (*move)(struct shell_surface *shsurf, struct weston_seat *ws);
  88         int (*resize)(struct shell_surface *shsurf,
  89                       struct weston_seat *ws, uint32_t edges);
  90
  91 };
  92
  93 struct weston_border {
  94         int32_t left, right, top, bottom;
  95 };
  96
  97 struct weston_animation {
  98         void (*frame)(struct weston_animation *animation,
  99                       struct weston_output *output, uint32_t msecs);
 100         int frame_counter;
 101         struct wl_list link;
 102 };
 103
 104 struct weston_spring {
 105         double k;
 106         double friction;
 107         double current;
 108         double target;
 109         double previous;
 110         uint32_t timestamp;
 111 };
 112
 113 enum {
 114         ZOOM_FOCUS_POINTER,
 115         ZOOM_FOCUS_TEXT
 116 };
 117
 118 struct weston_fixed_point {
 119         wl_fixed_t x, y;
 120 };
 121
 122 struct weston_output_zoom {
 123         int active;
 124         uint32_t type;
 125         float increment;
 126         float level;
 127         float max_level;
 128         float trans_x, trans_y;
 129         struct weston_animation animation_z;
 130         struct weston_spring spring_z;
 131         struct weston_animation animation_xy;
 132         struct weston_spring spring_xy;
 133         struct weston_fixed_point from;
 134         struct weston_fixed_point to;
 135         struct weston_fixed_point current;
 136         struct weston_fixed_point text_cursor;
 137 };
 138
 139 /* bit compatible with drm definitions. */
 140 enum dpms_enum {
 141         WESTON_DPMS_ON,
 142         WESTON_DPMS_STANDBY,
 143         WESTON_DPMS_SUSPEND,
 144         WESTON_DPMS_OFF
 145 };
 146
 147 struct weston_output {
 148         uint32_t id;
 149
 150         struct wl_list link;
 151         struct wl_list resource_list;
 152         struct wl_global *global;
 153         struct weston_compositor *compositor;
 154         struct weston_matrix matrix;
 155         struct wl_list animation_list;
 156         int32_t x, y, mm_width, mm_height;
 157         struct weston_border border;
 158         pixman_region32_t region;
 159         pixman_region32_t previous_damage;
 160         uint32_t flags;
 161         int repaint_needed;
 162         int repaint_scheduled;
 163         struct weston_output_zoom zoom;
 164         int dirty;
 165         struct wl_signal frame_signal;
 166         uint32_t frame_time;
 167
 168         char *make, *model;
 169         uint32_t subpixel;
 170
 171         struct weston_mode *current;
 172         struct weston_mode *origin;
 173         struct wl_list mode_list;
 174
 175         void (*repaint)(struct weston_output *output,
 176                         pixman_region32_t *damage);
 177         void (*destroy)(struct weston_output *output);
 178         void (*assign_planes)(struct weston_output *output);
 179         int (*switch_mode)(struct weston_output *output, struct weston_mode *mode);
 180
 181         /* backlight values are on 0-255 range, where higher is brighter */
 182         uint32_t backlight_current;
 183         void (*set_backlight)(struct weston_output *output, uint32_t value);
 184         void (*set_dpms)(struct weston_output *output, enum dpms_enum level);
 185 };
 186
 187 struct weston_xkb_info {
 188         struct xkb_keymap *keymap;
 189         int keymap_fd;
 190         size_t keymap_size;
 191         char *keymap_area;
 192         xkb_mod_index_t ctrl_mod;
 193         xkb_mod_index_t alt_mod;
 194         xkb_mod_index_t super_mod;
 195         xkb_led_index_t num_led;
 196         xkb_led_index_t caps_led;
 197         xkb_led_index_t scroll_led;
 198 };
 199
 200 struct weston_seat {
 201         struct wl_seat seat;
 202         struct wl_pointer pointer;
 203         int has_pointer;
 204         struct wl_keyboard keyboard;
 205         int has_keyboard;
 206         struct wl_touch touch;
 207         int has_touch;
 208
 209         struct weston_compositor *compositor;
 210         struct weston_surface *sprite;
 211         struct wl_listener sprite_destroy_listener;
 212         struct weston_surface *drag_surface;
 213         struct wl_listener drag_surface_destroy_listener;
 214         int32_t hotspot_x, hotspot_y;
 215         struct wl_list link;
 216         enum weston_keyboard_modifier modifier_state;
 217         struct wl_surface *saved_kbd_focus;
 218         struct wl_listener saved_kbd_focus_listener;
 219
 220         uint32_t num_tp;
 221         struct wl_surface *touch_focus;
 222         struct wl_listener touch_focus_listener;
 223         struct wl_resource *touch_focus_resource;
 224         struct wl_listener touch_focus_resource_listener;
 225
 226         struct wl_listener new_drag_icon_listener;
 227
 228         void (*led_update)(struct weston_seat *ws, enum weston_led leds);
 229
 230         struct weston_xkb_info xkb_info;
 231         struct {
 232                 struct xkb_state *state;
 233                 enum weston_led leds;
 234         } xkb_state;
 235 };
 236
 237 struct weston_shader {
 238         GLuint program;
 239         GLuint vertex_shader, fragment_shader;
 240         GLint proj_uniform;
 241         GLint tex_uniform;
 242         GLint alpha_uniform;
 243         GLint color_uniform;
 244         GLint texwidth_uniform;
 245         GLint opaque_uniform;
 246 };
 247
 248 enum {
 249         WESTON_COMPOSITOR_ACTIVE,
 250         WESTON_COMPOSITOR_IDLE,         /* shell->unlock called on activity */
 251         WESTON_COMPOSITOR_SLEEPING      /* no rendering, no frame events */
 252 };
 253
 254 struct weston_layer {
 255         struct wl_list surface_list;
 256         struct wl_list link;
 257 };
 258
 259 struct weston_compositor {
 260         struct wl_shm *shm;
 261         struct wl_signal destroy_signal;
 262
 263         EGLDisplay egl_display;
 264         EGLContext egl_context;
 265         EGLConfig egl_config;
 266         GLuint fbo;
 267         struct weston_shader texture_shader;
 268         struct weston_shader solid_shader;
 269         struct weston_shader *current_shader;
 270         struct wl_display *wl_display;
 271         struct weston_shell_interface shell_interface;
 272
 273         struct wl_signal activate_signal;
 274         struct wl_signal lock_signal;
 275         struct wl_signal unlock_signal;
 276
 277         struct wl_signal show_input_panel_signal;
 278         struct wl_signal hide_input_panel_signal;
 279
 280         struct wl_event_loop *input_loop;
 281         struct wl_event_source *input_loop_source;
 282
 283         /* There can be more than one, but not right now... */
 284         struct weston_seat *seat;
 285
 286         struct weston_layer fade_layer;
 287         struct weston_layer cursor_layer;
 288
 289         struct wl_list output_list;
 290         struct wl_list seat_list;
 291         struct wl_list layer_list;
 292         struct wl_list surface_list;
 293         struct wl_list key_binding_list;
 294         struct wl_list button_binding_list;
 295         struct wl_list axis_binding_list;
 296         struct {
 297                 struct weston_spring spring;
 298                 struct weston_animation animation;
 299                 struct weston_surface *surface;
 300         } fade;
 301
 302         uint32_t state;
 303         struct wl_event_source *idle_source;
 304         uint32_t idle_inhibit;
 305         int option_idle_time;           /* default timeout, s */
 306         int idle_time;                  /* effective timeout, s */
 307
 308         /* Repaint state. */
 309         struct wl_array vertices, indices;
 310         pixman_region32_t damage;
 311
 312         uint32_t focus;
 313
 314         PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC
 315                 image_target_renderbuffer_storage;
 316         PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
 317         PFNEGLCREATEIMAGEKHRPROC create_image;
 318         PFNEGLDESTROYIMAGEKHRPROC destroy_image;
 319
 320         int has_unpack_subimage;
 321         GLenum read_format;
 322
 323         PFNEGLBINDWAYLANDDISPLAYWL bind_display;
 324         PFNEGLUNBINDWAYLANDDISPLAYWL unbind_display;
 325         int has_bind_display;
 326
 327         void (*destroy)(struct weston_compositor *ec);
 328         int (*authenticate)(struct weston_compositor *c, uint32_t id);
 329
 330         void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
 331
 332         int launcher_sock;
 333
 334         uint32_t output_id_pool;
 335
 336         struct xkb_rule_names xkb_names;
 337         struct xkb_context *xkb_context;
 338         struct weston_xkb_info xkb_info;
 339 };
 340
 341 enum weston_output_flags {
 342         WL_OUTPUT_FLIPPED = 0x01
 343 };
 344
 345 struct weston_region {
 346         struct wl_resource resource;
 347         pixman_region32_t region;
 348 };
 349
 350 /* Using weston_surface transformations
 351  *
 352  * To add a transformation to a surface, create a struct weston_transform, and
 353  * add it to the list surface->geometry.transformation_list. Whenever you
 354  * change the list, anything under surface->geometry, or anything in the
 355  * weston_transforms linked into the list, you must set
 356  * surface->geometry.dirty = 1.
 357  *
 358  * The order in the list defines the order of transformations. Let the list
 359  * contain the transformation matrices M1, ..., Mn as head to tail. The
 360  * transformation is applied to surface-local coordinate vector p as
 361  *    P = Mn * ... * M2 * M1 * p
 362  * to produce the global coordinate vector P. The total transform
 363  *    Mn * ... * M2 * M1
 364  * is cached in surface->transform.matrix, and the inverse of it in
 365  * surface->transform.inverse.
 366  *
 367  * The list always contains surface->transform.position transformation, which
 368  * is the translation by surface->geometry.x and y.
 369  *
 370  * If you want to apply a transformation in local coordinates, add your
 371  * weston_transform to the head of the list. If you want to apply a
 372  * transformation in global coordinates, add it to the tail of the list.
 373  */
 374
 375 enum {
 376         WESTON_PLANE_PRIMARY
 377 };
 378
 379 struct weston_surface {
 380         struct wl_surface surface;
 381         struct weston_compositor *compositor;
 382         GLuint texture;
 383         pixman_region32_t clip;
 384         pixman_region32_t damage;
 385         pixman_region32_t opaque;
 386         pixman_region32_t input;
 387         int32_t pitch;
 388         struct wl_list link;
 389         struct wl_list layer_link;
 390         struct weston_shader *shader;
 391         GLfloat color[4];
 392         GLfloat opaque_rect[4];
 393         GLfloat alpha;
 394         int blend;
 395         int plane;
 396
 397         /* Surface geometry state, mutable.
 398          * If you change anything, set dirty = 1.
 399          * That includes the transformations referenced from the list.
 400          */
 401         struct {
 402                 GLfloat x, y; /* surface translation on display */
 403                 int32_t width, height;
 404
 405                 /* struct weston_transform */
 406                 struct wl_list transformation_list;
 407
 408                 int dirty;
 409         } geometry;
 410
 411         /* State derived from geometry state, read-only.
 412          * This is updated by weston_surface_update_transform().
 413          */
 414         struct {
 415                 pixman_region32_t boundingbox;
 416                 pixman_region32_t opaque;
 417
 418                 /* matrix and inverse are used only if enabled = 1.
 419                  * If enabled = 0, use x, y, width, height directly.
 420                  */
 421                 int enabled;
 422                 struct weston_matrix matrix;
 423                 struct weston_matrix inverse;
 424
 425                 struct weston_transform position; /* matrix from x, y */
 426         } transform;
 427
 428         /*
 429          * Which output to vsync this surface to.
 430          * Used to determine, whether to send or queue frame events.
 431          * Must be NULL, if 'link' is not in weston_compositor::surface_list.
 432          */
 433         struct weston_output *output;
 434
 435         /*
 436          * A more complete representation of all outputs this surface is
 437          * displayed on.
 438          */
 439         uint32_t output_mask;
 440
 441         struct wl_list frame_callback_list;
 442
 443         EGLImageKHR image;
 444
 445         struct wl_buffer *buffer;
 446         struct wl_listener buffer_destroy_listener;
 447
 448         /*
 449          * If non-NULL, this function will be called on surface::attach after
 450          * a new buffer has been set up for this surface. The integer params
 451          * are the sx and sy paramerters supplied to surface::attach .
 452          */
 453         void (*configure)(struct weston_surface *es, int32_t sx, int32_t sy);
 454         void *private;
 455 };
 456
 457 enum weston_key_state_update {
 458         STATE_UPDATE_AUTOMATIC,
 459         STATE_UPDATE_NONE,
 460 };
 461
 462 void
 463 weston_surface_update_transform(struct weston_surface *surface);
 464
 465 void
 466 weston_surface_to_global_fixed(struct weston_surface *surface,
 467                                wl_fixed_t sx, wl_fixed_t sy,
 468                                wl_fixed_t *x, wl_fixed_t *y);
 469 void
 470 weston_surface_to_global_float(struct weston_surface *surface,
 471                                GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y);
 472
 473 void
 474 weston_surface_from_global(struct weston_surface *surface,
 475                            int32_t x, int32_t y, int32_t *sx, int32_t *sy);
 476 void
 477 weston_surface_from_global_fixed(struct weston_surface *surface,
 478                                  wl_fixed_t x, wl_fixed_t y,
 479                                  wl_fixed_t *sx, wl_fixed_t *sy);
 480
 481 void
 482 weston_spring_init(struct weston_spring *spring,
 483                    double k, double current, double target);
 484 void
 485 weston_spring_update(struct weston_spring *spring, uint32_t msec);
 486 int
 487 weston_spring_done(struct weston_spring *spring);
 488
 489 void
 490 weston_surface_activate(struct weston_surface *surface,
 491                         struct weston_seat *seat);
 492 void
 493 weston_surface_draw(struct weston_surface *es,
 494                     struct weston_output *output, pixman_region32_t *damage);
 495
 496 void
 497 notify_motion(struct wl_seat *seat, uint32_t time,
 498               wl_fixed_t x, wl_fixed_t y);
 499 void
 500 notify_button(struct wl_seat *seat, uint32_t time, int32_t button,
 501               enum wl_pointer_button_state state);
 502 void
 503 notify_axis(struct wl_seat *seat, uint32_t time, uint32_t axis,
 504             wl_fixed_t value);
 505 void
 506 notify_key(struct wl_seat *seat, uint32_t time, uint32_t key,
 507            enum wl_keyboard_key_state state);
 508
 509 void
 510 notify_pointer_focus(struct wl_seat *seat, struct weston_output *output,
 511                      wl_fixed_t x, wl_fixed_t y);
 512
 513 void
 514 notify_keyboard_focus_in(struct wl_seat *seat, struct wl_array *keys,
 515                          enum weston_key_state_update update_state);
 516 void
 517 notify_keyboard_focus_out(struct wl_seat *seat);
 518
 519 void
 520 notify_touch(struct wl_seat *seat, uint32_t time, int touch_id,
 521              wl_fixed_t x, wl_fixed_t y, int touch_type);
 522
 523 void
 524 weston_layer_init(struct weston_layer *layer, struct wl_list *below);
 525
 526 void
 527 weston_output_finish_frame(struct weston_output *output, int msecs);
 528 void
 529 weston_output_schedule_repaint(struct weston_output *output);
 530 void
 531 weston_output_damage(struct weston_output *output);
 532 void
 533 weston_compositor_schedule_repaint(struct weston_compositor *compositor);
 534 void
 535 weston_compositor_fade(struct weston_compositor *compositor, float tint);
 536 void
 537 weston_compositor_damage_all(struct weston_compositor *compositor);
 538 void
 539 weston_compositor_unlock(struct weston_compositor *compositor);
 540 void
 541 weston_compositor_wake(struct weston_compositor *compositor);
 542 void
 543 weston_compositor_activity(struct weston_compositor *compositor);
 544 void
 545 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor);
 546
 547
 548 struct weston_binding;
 549 typedef void (*weston_key_binding_handler_t)(struct wl_seat *seat,
 550                                              uint32_t time, uint32_t key,
 551                                              void *data);
 552 struct weston_binding *
 553 weston_compositor_add_key_binding(struct weston_compositor *compositor,
 554                                   uint32_t key,
 555                                   enum weston_keyboard_modifier modifier,
 556                                   weston_key_binding_handler_t binding,
 557                                   void *data);
 558
 559 typedef void (*weston_button_binding_handler_t)(struct wl_seat *seat,
 560                                                 uint32_t time, uint32_t button,
 561                                                 void *data);
 562 struct weston_binding *
 563 weston_compositor_add_button_binding(struct weston_compositor *compositor,
 564                                      uint32_t button,
 565                                      enum weston_keyboard_modifier modifier,
 566                                      weston_button_binding_handler_t binding,
 567                                      void *data);
 568
 569 typedef void (*weston_axis_binding_handler_t)(struct wl_seat *seat,
 570                                               uint32_t time, uint32_t axis,
 571                                               wl_fixed_t value, void *data);
 572 struct weston_binding *
 573 weston_compositor_add_axis_binding(struct weston_compositor *compositor,
 574                                    uint32_t axis,
 575                                    enum weston_keyboard_modifier modifier,
 576                                    weston_axis_binding_handler_t binding,
 577                                    void *data);
 578 void
 579 weston_binding_destroy(struct weston_binding *binding);
 580
 581 void
 582 weston_binding_list_destroy_all(struct wl_list *list);
 583
 584 void
 585 weston_compositor_run_key_binding(struct weston_compositor *compositor,
 586                                   struct weston_seat *seat, uint32_t time,
 587                                   uint32_t key,
 588                                   enum wl_keyboard_key_state state);
 589 void
 590 weston_compositor_run_button_binding(struct weston_compositor *compositor,
 591                                      struct weston_seat *seat, uint32_t time,
 592                                      uint32_t button,
 593                                      enum wl_pointer_button_state value);
 594 void
 595 weston_compositor_run_axis_binding(struct weston_compositor *compositor,
 596                                    struct weston_seat *seat, uint32_t time,
 597                                    uint32_t axis, int32_t value);
 598
 599 int
 600 weston_environment_get_fd(const char *env);
 601
 602 struct wl_list *
 603 weston_compositor_top(struct weston_compositor *compositor);
 604
 605 struct weston_surface *
 606 weston_surface_create(struct weston_compositor *compositor);
 607
 608 void
 609 weston_surface_configure(struct weston_surface *surface,
 610                          GLfloat x, GLfloat y, int width, int height);
 611
 612 void
 613 weston_surface_restack(struct weston_surface *surface, struct wl_list *below);
 614
 615 void
 616 weston_surface_set_position(struct weston_surface *surface,
 617                             GLfloat x, GLfloat y);
 618
 619 int
 620 weston_surface_is_mapped(struct weston_surface *surface);
 621
 622 void
 623 weston_surface_assign_output(struct weston_surface *surface);
 624
 625 void
 626 weston_surface_damage(struct weston_surface *surface);
 627
 628 void
 629 weston_surface_damage_below(struct weston_surface *surface);
 630
 631 void
 632 weston_buffer_post_release(struct wl_buffer *buffer);
 633
 634 uint32_t
 635 weston_compositor_get_time(void);
 636
 637 int
 638 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
 639                        int argc, char *argv[], const char *config_file);
 640 void
 641 weston_compositor_shutdown(struct weston_compositor *ec);
 642 void
 643 weston_text_cursor_position_notify(struct weston_surface *surface,
 644                                                 wl_fixed_t x, wl_fixed_t y);
 645 void
 646 weston_output_init_zoom(struct weston_output *output);
 647 void
 648 weston_output_update_zoom(struct weston_output *output, uint32_t type);
 649 void
 650 weston_output_update_matrix(struct weston_output *output);
 651 void
 652 weston_output_move(struct weston_output *output, int x, int y);
 653 void
 654 weston_output_init(struct weston_output *output, struct weston_compositor *c,
 655                    int x, int y, int width, int height, uint32_t flags);
 656 void
 657 weston_output_destroy(struct weston_output *output);
 658
 659 void
 660 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
 661 void
 662 weston_seat_init_pointer(struct weston_seat *seat);
 663 void
 664 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
 665 void
 666 weston_seat_init_touch(struct weston_seat *seat);
 667
 668 void
 669 weston_seat_release(struct weston_seat *seat);
 670
 671 enum {
 672         TTY_ENTER_VT,
 673         TTY_LEAVE_VT
 674 };
 675
 676 typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
 677
 678 struct tty *
 679 tty_create(struct weston_compositor *compositor,
 680            tty_vt_func_t vt_func, int tty_nr);
 681
 682 void
 683 tty_destroy(struct tty *tty);
 684
 685 int
 686 tty_activate_vt(struct tty *tty, int vt);
 687
 688 void
 689 screenshooter_create(struct weston_compositor *ec);
 690
 691 struct clipboard *
 692 clipboard_create(struct weston_seat *seat);
 693
 694 void
 695 text_cursor_position_notifier_create(struct weston_compositor *ec);
 696
 697 void
 698 input_method_create(struct weston_compositor *ec);
 699
 700 struct weston_process;
 701 typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
 702                                             int status);
 703
 704 struct weston_process {
 705         pid_t pid;
 706         weston_process_cleanup_func_t cleanup;
 707         struct wl_list link;
 708 };
 709
 710 struct wl_client *
 711 weston_client_launch(struct weston_compositor *compositor,
 712                      struct weston_process *proc,
 713                      const char *path,
 714                      weston_process_cleanup_func_t cleanup);
 715
 716 void
 717 weston_watch_process(struct weston_process *process);
 718
 719 int
 720 weston_xserver_init(struct weston_compositor *compositor);
 721
 722 struct weston_surface_animation;
 723 typedef void (*weston_surface_animation_done_func_t)(struct weston_surface_animation *animation, void *data);
 724
 725 struct weston_surface_animation *
 726 weston_zoom_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
 727                 weston_surface_animation_done_func_t done, void *data);
 728
 729 struct weston_surface_animation *
 730 weston_fade_run(struct weston_surface *surface,
 731                 weston_surface_animation_done_func_t done, void *data);
 732 struct weston_surface_animation *
 733 weston_slide_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
 734                  weston_surface_animation_done_func_t done, void *data);
 735
 736 void
 737 weston_surface_set_color(struct weston_surface *surface,
 738                          GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
 739
 740 void
 741 weston_surface_destroy(struct weston_surface *surface);
 742
 743 struct weston_compositor *
 744 backend_init(struct wl_display *display, int argc, char *argv[],
 745              const char *config_file);
 746
 747 int
 748 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode);
 749
 750 #endif