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 shift_mod;
 193         xkb_mod_index_t caps_mod;
 194         xkb_mod_index_t ctrl_mod;
 195         xkb_mod_index_t alt_mod;
 196         xkb_mod_index_t mod2_mod;
 197         xkb_mod_index_t mod3_mod;
 198         xkb_mod_index_t super_mod;
 199         xkb_mod_index_t mod5_mod;
 200         xkb_led_index_t num_led;
 201         xkb_led_index_t caps_led;
 202         xkb_led_index_t scroll_led;
 203 };
 204
 205 struct weston_seat {
 206         struct wl_seat seat;
 207         struct wl_pointer pointer;
 208         int has_pointer;
 209         struct wl_keyboard keyboard;
 210         int has_keyboard;
 211         struct wl_touch touch;
 212         int has_touch;
 213
 214         struct weston_compositor *compositor;
 215         struct weston_surface *sprite;
 216         struct wl_listener sprite_destroy_listener;
 217         struct weston_surface *drag_surface;
 218         struct wl_listener drag_surface_destroy_listener;
 219         int32_t hotspot_x, hotspot_y;
 220         struct wl_list link;
 221         enum weston_keyboard_modifier modifier_state;
 222         struct wl_surface *saved_kbd_focus;
 223         struct wl_listener saved_kbd_focus_listener;
 224
 225         uint32_t num_tp;
 226         struct wl_surface *touch_focus;
 227         struct wl_listener touch_focus_listener;
 228         struct wl_resource *touch_focus_resource;
 229         struct wl_listener touch_focus_resource_listener;
 230
 231         struct wl_listener new_drag_icon_listener;
 232
 233         void (*led_update)(struct weston_seat *ws, enum weston_led leds);
 234
 235         struct weston_xkb_info xkb_info;
 236         struct {
 237                 struct xkb_state *state;
 238                 enum weston_led leds;
 239         } xkb_state;
 240 };
 241
 242 struct weston_shader {
 243         GLuint program;
 244         GLuint vertex_shader, fragment_shader;
 245         GLint proj_uniform;
 246         GLint tex_uniform;
 247         GLint alpha_uniform;
 248         GLint color_uniform;
 249         GLint texwidth_uniform;
 250         GLint opaque_uniform;
 251 };
 252
 253 enum {
 254         WESTON_COMPOSITOR_ACTIVE,
 255         WESTON_COMPOSITOR_IDLE,         /* shell->unlock called on activity */
 256         WESTON_COMPOSITOR_SLEEPING      /* no rendering, no frame events */
 257 };
 258
 259 struct weston_layer {
 260         struct wl_list surface_list;
 261         struct wl_list link;
 262 };
 263
 264 struct weston_compositor {
 265         struct wl_shm *shm;
 266         struct wl_signal destroy_signal;
 267
 268         EGLDisplay egl_display;
 269         EGLContext egl_context;
 270         EGLConfig egl_config;
 271         GLuint fbo;
 272         struct weston_shader texture_shader;
 273         struct weston_shader solid_shader;
 274         struct weston_shader *current_shader;
 275         struct wl_display *wl_display;
 276         struct weston_shell_interface shell_interface;
 277
 278         struct wl_signal activate_signal;
 279         struct wl_signal lock_signal;
 280         struct wl_signal unlock_signal;
 281
 282         struct wl_signal show_input_panel_signal;
 283         struct wl_signal hide_input_panel_signal;
 284
 285         struct wl_event_loop *input_loop;
 286         struct wl_event_source *input_loop_source;
 287
 288         /* There can be more than one, but not right now... */
 289         struct weston_seat *seat;
 290
 291         struct weston_layer fade_layer;
 292         struct weston_layer cursor_layer;
 293
 294         struct wl_list output_list;
 295         struct wl_list seat_list;
 296         struct wl_list layer_list;
 297         struct wl_list surface_list;
 298         struct wl_list key_binding_list;
 299         struct wl_list button_binding_list;
 300         struct wl_list axis_binding_list;
 301         struct {
 302                 struct weston_spring spring;
 303                 struct weston_animation animation;
 304                 struct weston_surface *surface;
 305         } fade;
 306
 307         uint32_t state;
 308         struct wl_event_source *idle_source;
 309         uint32_t idle_inhibit;
 310         int option_idle_time;           /* default timeout, s */
 311         int idle_time;                  /* effective timeout, s */
 312
 313         /* Repaint state. */
 314         struct wl_array vertices, indices;
 315         pixman_region32_t damage;
 316
 317         uint32_t focus;
 318
 319         PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC
 320                 image_target_renderbuffer_storage;
 321         PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
 322         PFNEGLCREATEIMAGEKHRPROC create_image;
 323         PFNEGLDESTROYIMAGEKHRPROC destroy_image;
 324
 325         int has_unpack_subimage;
 326         GLenum read_format;
 327
 328         PFNEGLBINDWAYLANDDISPLAYWL bind_display;
 329         PFNEGLUNBINDWAYLANDDISPLAYWL unbind_display;
 330         int has_bind_display;
 331
 332         void (*destroy)(struct weston_compositor *ec);
 333         int (*authenticate)(struct weston_compositor *c, uint32_t id);
 334
 335         void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
 336
 337         int launcher_sock;
 338
 339         uint32_t output_id_pool;
 340
 341         struct xkb_rule_names xkb_names;
 342         struct xkb_context *xkb_context;
 343         struct weston_xkb_info xkb_info;
 344 };
 345
 346 enum weston_output_flags {
 347         WL_OUTPUT_FLIPPED = 0x01
 348 };
 349
 350 struct weston_region {
 351         struct wl_resource resource;
 352         pixman_region32_t region;
 353 };
 354
 355 /* Using weston_surface transformations
 356  *
 357  * To add a transformation to a surface, create a struct weston_transform, and
 358  * add it to the list surface->geometry.transformation_list. Whenever you
 359  * change the list, anything under surface->geometry, or anything in the
 360  * weston_transforms linked into the list, you must set
 361  * surface->geometry.dirty = 1.
 362  *
 363  * The order in the list defines the order of transformations. Let the list
 364  * contain the transformation matrices M1, ..., Mn as head to tail. The
 365  * transformation is applied to surface-local coordinate vector p as
 366  *    P = Mn * ... * M2 * M1 * p
 367  * to produce the global coordinate vector P. The total transform
 368  *    Mn * ... * M2 * M1
 369  * is cached in surface->transform.matrix, and the inverse of it in
 370  * surface->transform.inverse.
 371  *
 372  * The list always contains surface->transform.position transformation, which
 373  * is the translation by surface->geometry.x and y.
 374  *
 375  * If you want to apply a transformation in local coordinates, add your
 376  * weston_transform to the head of the list. If you want to apply a
 377  * transformation in global coordinates, add it to the tail of the list.
 378  */
 379
 380 enum {
 381         WESTON_PLANE_PRIMARY
 382 };
 383
 384 struct weston_surface {
 385         struct wl_surface surface;
 386         struct weston_compositor *compositor;
 387         GLuint texture;
 388         pixman_region32_t clip;
 389         pixman_region32_t damage;
 390         pixman_region32_t opaque;
 391         pixman_region32_t input;
 392         int32_t pitch;
 393         struct wl_list link;
 394         struct wl_list layer_link;
 395         struct weston_shader *shader;
 396         GLfloat color[4];
 397         GLfloat opaque_rect[4];
 398         GLfloat alpha;
 399         int blend;
 400         int plane;
 401
 402         /* Surface geometry state, mutable.
 403          * If you change anything, set dirty = 1.
 404          * That includes the transformations referenced from the list.
 405          */
 406         struct {
 407                 GLfloat x, y; /* surface translation on display */
 408                 int32_t width, height;
 409
 410                 /* struct weston_transform */
 411                 struct wl_list transformation_list;
 412
 413                 int dirty;
 414         } geometry;
 415
 416         /* State derived from geometry state, read-only.
 417          * This is updated by weston_surface_update_transform().
 418          */
 419         struct {
 420                 pixman_region32_t boundingbox;
 421                 pixman_region32_t opaque;
 422
 423                 /* matrix and inverse are used only if enabled = 1.
 424                  * If enabled = 0, use x, y, width, height directly.
 425                  */
 426                 int enabled;
 427                 struct weston_matrix matrix;
 428                 struct weston_matrix inverse;
 429
 430                 struct weston_transform position; /* matrix from x, y */
 431         } transform;
 432
 433         /*
 434          * Which output to vsync this surface to.
 435          * Used to determine, whether to send or queue frame events.
 436          * Must be NULL, if 'link' is not in weston_compositor::surface_list.
 437          */
 438         struct weston_output *output;
 439
 440         /*
 441          * A more complete representation of all outputs this surface is
 442          * displayed on.
 443          */
 444         uint32_t output_mask;
 445
 446         struct wl_list frame_callback_list;
 447
 448         EGLImageKHR image;
 449
 450         struct wl_buffer *buffer;
 451         struct wl_listener buffer_destroy_listener;
 452
 453         /*
 454          * If non-NULL, this function will be called on surface::attach after
 455          * a new buffer has been set up for this surface. The integer params
 456          * are the sx and sy paramerters supplied to surface::attach .
 457          */
 458         void (*configure)(struct weston_surface *es, int32_t sx, int32_t sy);
 459         void *private;
 460 };
 461
 462 enum weston_key_state_update {
 463         STATE_UPDATE_AUTOMATIC,
 464         STATE_UPDATE_NONE,
 465 };
 466
 467 void
 468 weston_surface_update_transform(struct weston_surface *surface);
 469
 470 void
 471 weston_surface_to_global_fixed(struct weston_surface *surface,
 472                                wl_fixed_t sx, wl_fixed_t sy,
 473                                wl_fixed_t *x, wl_fixed_t *y);
 474 void
 475 weston_surface_to_global_float(struct weston_surface *surface,
 476                                GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y);
 477
 478 void
 479 weston_surface_from_global(struct weston_surface *surface,
 480                            int32_t x, int32_t y, int32_t *sx, int32_t *sy);
 481 void
 482 weston_surface_from_global_fixed(struct weston_surface *surface,
 483                                  wl_fixed_t x, wl_fixed_t y,
 484                                  wl_fixed_t *sx, wl_fixed_t *sy);
 485
 486 void
 487 weston_spring_init(struct weston_spring *spring,
 488                    double k, double current, double target);
 489 void
 490 weston_spring_update(struct weston_spring *spring, uint32_t msec);
 491 int
 492 weston_spring_done(struct weston_spring *spring);
 493
 494 void
 495 weston_surface_activate(struct weston_surface *surface,
 496                         struct weston_seat *seat);
 497 void
 498 weston_surface_draw(struct weston_surface *es,
 499                     struct weston_output *output, pixman_region32_t *damage);
 500
 501 void
 502 notify_motion(struct wl_seat *seat, uint32_t time,
 503               wl_fixed_t x, wl_fixed_t y);
 504 void
 505 notify_button(struct wl_seat *seat, uint32_t time, int32_t button,
 506               enum wl_pointer_button_state state);
 507 void
 508 notify_axis(struct wl_seat *seat, uint32_t time, uint32_t axis,
 509             wl_fixed_t value);
 510 void
 511 notify_key(struct wl_seat *seat, uint32_t time, uint32_t key,
 512            enum wl_keyboard_key_state state,
 513            enum weston_key_state_update update_state);
 514 void
 515 notify_modifiers(struct wl_seat *seat, uint32_t serial);
 516
 517 void
 518 notify_pointer_focus(struct wl_seat *seat, struct weston_output *output,
 519                      wl_fixed_t x, wl_fixed_t y);
 520
 521 void
 522 notify_keyboard_focus_in(struct wl_seat *seat, struct wl_array *keys,
 523                          enum weston_key_state_update update_state);
 524 void
 525 notify_keyboard_focus_out(struct wl_seat *seat);
 526
 527 void
 528 notify_touch(struct wl_seat *seat, uint32_t time, int touch_id,
 529              wl_fixed_t x, wl_fixed_t y, int touch_type);
 530
 531 void
 532 weston_layer_init(struct weston_layer *layer, struct wl_list *below);
 533
 534 void
 535 weston_output_finish_frame(struct weston_output *output, int msecs);
 536 void
 537 weston_output_schedule_repaint(struct weston_output *output);
 538 void
 539 weston_output_damage(struct weston_output *output);
 540 void
 541 weston_compositor_schedule_repaint(struct weston_compositor *compositor);
 542 void
 543 weston_compositor_fade(struct weston_compositor *compositor, float tint);
 544 void
 545 weston_compositor_damage_all(struct weston_compositor *compositor);
 546 void
 547 weston_compositor_unlock(struct weston_compositor *compositor);
 548 void
 549 weston_compositor_wake(struct weston_compositor *compositor);
 550 void
 551 weston_compositor_activity(struct weston_compositor *compositor);
 552 void
 553 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor);
 554
 555
 556 struct weston_binding;
 557 typedef void (*weston_key_binding_handler_t)(struct wl_seat *seat,
 558                                              uint32_t time, uint32_t key,
 559                                              void *data);
 560 struct weston_binding *
 561 weston_compositor_add_key_binding(struct weston_compositor *compositor,
 562                                   uint32_t key,
 563                                   enum weston_keyboard_modifier modifier,
 564                                   weston_key_binding_handler_t binding,
 565                                   void *data);
 566
 567 typedef void (*weston_button_binding_handler_t)(struct wl_seat *seat,
 568                                                 uint32_t time, uint32_t button,
 569                                                 void *data);
 570 struct weston_binding *
 571 weston_compositor_add_button_binding(struct weston_compositor *compositor,
 572                                      uint32_t button,
 573                                      enum weston_keyboard_modifier modifier,
 574                                      weston_button_binding_handler_t binding,
 575                                      void *data);
 576
 577 typedef void (*weston_axis_binding_handler_t)(struct wl_seat *seat,
 578                                               uint32_t time, uint32_t axis,
 579                                               wl_fixed_t value, void *data);
 580 struct weston_binding *
 581 weston_compositor_add_axis_binding(struct weston_compositor *compositor,
 582                                    uint32_t axis,
 583                                    enum weston_keyboard_modifier modifier,
 584                                    weston_axis_binding_handler_t binding,
 585                                    void *data);
 586 void
 587 weston_binding_destroy(struct weston_binding *binding);
 588
 589 void
 590 weston_binding_list_destroy_all(struct wl_list *list);
 591
 592 void
 593 weston_compositor_run_key_binding(struct weston_compositor *compositor,
 594                                   struct weston_seat *seat, uint32_t time,
 595                                   uint32_t key,
 596                                   enum wl_keyboard_key_state state);
 597 void
 598 weston_compositor_run_button_binding(struct weston_compositor *compositor,
 599                                      struct weston_seat *seat, uint32_t time,
 600                                      uint32_t button,
 601                                      enum wl_pointer_button_state value);
 602 void
 603 weston_compositor_run_axis_binding(struct weston_compositor *compositor,
 604                                    struct weston_seat *seat, uint32_t time,
 605                                    uint32_t axis, int32_t value);
 606
 607 int
 608 weston_environment_get_fd(const char *env);
 609
 610 struct wl_list *
 611 weston_compositor_top(struct weston_compositor *compositor);
 612
 613 struct weston_surface *
 614 weston_surface_create(struct weston_compositor *compositor);
 615
 616 void
 617 weston_surface_configure(struct weston_surface *surface,
 618                          GLfloat x, GLfloat y, int width, int height);
 619
 620 void
 621 weston_surface_restack(struct weston_surface *surface, struct wl_list *below);
 622
 623 void
 624 weston_surface_set_position(struct weston_surface *surface,
 625                             GLfloat x, GLfloat y);
 626
 627 int
 628 weston_surface_is_mapped(struct weston_surface *surface);
 629
 630 void
 631 weston_surface_assign_output(struct weston_surface *surface);
 632
 633 void
 634 weston_surface_damage(struct weston_surface *surface);
 635
 636 void
 637 weston_surface_damage_below(struct weston_surface *surface);
 638
 639 void
 640 weston_buffer_post_release(struct wl_buffer *buffer);
 641
 642 uint32_t
 643 weston_compositor_get_time(void);
 644
 645 int
 646 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
 647                        int argc, char *argv[], const char *config_file);
 648 void
 649 weston_compositor_shutdown(struct weston_compositor *ec);
 650 void
 651 weston_text_cursor_position_notify(struct weston_surface *surface,
 652                                                 wl_fixed_t x, wl_fixed_t y);
 653 void
 654 weston_output_init_zoom(struct weston_output *output);
 655 void
 656 weston_output_update_zoom(struct weston_output *output, uint32_t type);
 657 void
 658 weston_output_update_matrix(struct weston_output *output);
 659 void
 660 weston_output_move(struct weston_output *output, int x, int y);
 661 void
 662 weston_output_init(struct weston_output *output, struct weston_compositor *c,
 663                    int x, int y, int width, int height, uint32_t flags);
 664 void
 665 weston_output_destroy(struct weston_output *output);
 666
 667 void
 668 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
 669 void
 670 weston_seat_init_pointer(struct weston_seat *seat);
 671 void
 672 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
 673 void
 674 weston_seat_init_touch(struct weston_seat *seat);
 675
 676 void
 677 weston_seat_release(struct weston_seat *seat);
 678
 679 enum {
 680         TTY_ENTER_VT,
 681         TTY_LEAVE_VT
 682 };
 683
 684 typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
 685
 686 struct tty *
 687 tty_create(struct weston_compositor *compositor,
 688            tty_vt_func_t vt_func, int tty_nr);
 689
 690 void
 691 tty_destroy(struct tty *tty);
 692
 693 int
 694 tty_activate_vt(struct tty *tty, int vt);
 695
 696 void
 697 screenshooter_create(struct weston_compositor *ec);
 698
 699 struct clipboard *
 700 clipboard_create(struct weston_seat *seat);
 701
 702 void
 703 text_cursor_position_notifier_create(struct weston_compositor *ec);
 704
 705 void
 706 input_method_create(struct weston_compositor *ec);
 707
 708 struct weston_process;
 709 typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
 710                                             int status);
 711
 712 struct weston_process {
 713         pid_t pid;
 714         weston_process_cleanup_func_t cleanup;
 715         struct wl_list link;
 716 };
 717
 718 struct wl_client *
 719 weston_client_launch(struct weston_compositor *compositor,
 720                      struct weston_process *proc,
 721                      const char *path,
 722                      weston_process_cleanup_func_t cleanup);
 723
 724 void
 725 weston_watch_process(struct weston_process *process);
 726
 727 int
 728 weston_xserver_init(struct weston_compositor *compositor);
 729
 730 struct weston_surface_animation;
 731 typedef void (*weston_surface_animation_done_func_t)(struct weston_surface_animation *animation, void *data);
 732
 733 struct weston_surface_animation *
 734 weston_zoom_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
 735                 weston_surface_animation_done_func_t done, void *data);
 736
 737 struct weston_surface_animation *
 738 weston_fade_run(struct weston_surface *surface,
 739                 weston_surface_animation_done_func_t done, void *data);
 740 struct weston_surface_animation *
 741 weston_slide_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
 742                  weston_surface_animation_done_func_t done, void *data);
 743
 744 void
 745 weston_surface_set_color(struct weston_surface *surface,
 746                          GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
 747
 748 void
 749 weston_surface_destroy(struct weston_surface *surface);
 750
 751 struct weston_compositor *
 752 backend_init(struct wl_display *display, int argc, char *argv[],
 753              const char *config_file);
 754
 755 int
 756 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode);
 757
 758 #endif