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 "version.h"
  32 #include "matrix.h"
  33 #include "config-parser.h"
  34
  35 #define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
  36
  37 #define container_of(ptr, type, member) ({                              \
  38         const __typeof__( ((type *)0)->member ) *__mptr = (ptr);        \
  39         (type *)( (char *)__mptr - offsetof(type,member) );})
  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 struct input_method;
  51
  52 enum weston_keyboard_modifier {
  53         MODIFIER_CTRL = (1 << 0),
  54         MODIFIER_ALT = (1 << 1),
  55         MODIFIER_SUPER = (1 << 2),
  56         MODIFIER_SHIFT = (1 << 3),
  57 };
  58
  59 enum weston_led {
  60         LED_NUM_LOCK = (1 << 0),
  61         LED_CAPS_LOCK = (1 << 1),
  62         LED_SCROLL_LOCK = (1 << 2),
  63 };
  64
  65 struct weston_mode {
  66         uint32_t flags;
  67         int32_t width, height;
  68         uint32_t refresh;
  69         struct wl_list link;
  70 };
  71
  72 struct weston_shell_client {
  73         void (*send_configure)(struct weston_surface *surface,
  74                                uint32_t edges, int32_t width, int32_t height);
  75 };
  76
  77 struct weston_shell_interface {
  78         void *shell;                    /* either desktop or tablet */
  79
  80         struct shell_surface *(*create_shell_surface)(void *shell,
  81                                                       struct weston_surface *surface,
  82                                                       const struct weston_shell_client *client);
  83
  84         void (*set_toplevel)(struct shell_surface *shsurf);
  85
  86         void (*set_transient)(struct shell_surface *shsurf,
  87                               struct weston_surface *parent,
  88                               int x, int y, uint32_t flags);
  89         void (*set_fullscreen)(struct shell_surface *shsurf,
  90                                uint32_t method,
  91                                uint32_t framerate,
  92                                struct weston_output *output);
  93         int (*move)(struct shell_surface *shsurf, struct weston_seat *ws);
  94         int (*resize)(struct shell_surface *shsurf,
  95                       struct weston_seat *ws, uint32_t edges);
  96
  97 };
  98
  99 struct weston_border {
 100         int32_t left, right, top, bottom;
 101 };
 102
 103 struct weston_animation {
 104         void (*frame)(struct weston_animation *animation,
 105                       struct weston_output *output, uint32_t msecs);
 106         int frame_counter;
 107         struct wl_list link;
 108 };
 109
 110 struct weston_spring {
 111         double k;
 112         double friction;
 113         double current;
 114         double target;
 115         double previous;
 116         uint32_t timestamp;
 117 };
 118
 119 enum {
 120         ZOOM_FOCUS_POINTER,
 121         ZOOM_FOCUS_TEXT
 122 };
 123
 124 struct weston_fixed_point {
 125         wl_fixed_t x, y;
 126 };
 127
 128 struct weston_output_zoom {
 129         int active;
 130         uint32_t type;
 131         float increment;
 132         float level;
 133         float max_level;
 134         float trans_x, trans_y;
 135         struct weston_animation animation_z;
 136         struct weston_spring spring_z;
 137         struct weston_animation animation_xy;
 138         struct weston_spring spring_xy;
 139         struct weston_fixed_point from;
 140         struct weston_fixed_point to;
 141         struct weston_fixed_point current;
 142         struct weston_fixed_point text_cursor;
 143 };
 144
 145 /* bit compatible with drm definitions. */
 146 enum dpms_enum {
 147         WESTON_DPMS_ON,
 148         WESTON_DPMS_STANDBY,
 149         WESTON_DPMS_SUSPEND,
 150         WESTON_DPMS_OFF
 151 };
 152
 153 struct weston_output {
 154         uint32_t id;
 155
 156         void *renderer_state;
 157
 158         struct wl_list link;
 159         struct wl_list resource_list;
 160         struct wl_global *global;
 161         struct weston_compositor *compositor;
 162         struct weston_matrix matrix;
 163         struct wl_list animation_list;
 164         int32_t x, y, width, height;
 165         int32_t mm_width, mm_height;
 166         struct weston_border border;
 167         pixman_region32_t region;
 168         pixman_region32_t previous_damage;
 169         int repaint_needed;
 170         int repaint_scheduled;
 171         struct weston_output_zoom zoom;
 172         int dirty;
 173         struct wl_signal frame_signal;
 174         uint32_t frame_time;
 175         int disable_planes;
 176
 177         char *make, *model;
 178         uint32_t subpixel;
 179         uint32_t transform;
 180
 181         struct weston_mode *current;
 182         struct weston_mode *origin;
 183         struct wl_list mode_list;
 184
 185         void (*repaint)(struct weston_output *output,
 186                         pixman_region32_t *damage);
 187         void (*destroy)(struct weston_output *output);
 188         void (*assign_planes)(struct weston_output *output);
 189         int (*switch_mode)(struct weston_output *output, struct weston_mode *mode);
 190
 191         /* backlight values are on 0-255 range, where higher is brighter */
 192         uint32_t backlight_current;
 193         void (*set_backlight)(struct weston_output *output, uint32_t value);
 194         void (*set_dpms)(struct weston_output *output, enum dpms_enum level);
 195 };
 196
 197 struct weston_xkb_info {
 198         struct xkb_keymap *keymap;
 199         int keymap_fd;
 200         size_t keymap_size;
 201         char *keymap_area;
 202         xkb_mod_index_t shift_mod;
 203         xkb_mod_index_t caps_mod;
 204         xkb_mod_index_t ctrl_mod;
 205         xkb_mod_index_t alt_mod;
 206         xkb_mod_index_t mod2_mod;
 207         xkb_mod_index_t mod3_mod;
 208         xkb_mod_index_t super_mod;
 209         xkb_mod_index_t mod5_mod;
 210         xkb_led_index_t num_led;
 211         xkb_led_index_t caps_led;
 212         xkb_led_index_t scroll_led;
 213 };
 214
 215 struct weston_keyboard {
 216         struct wl_keyboard keyboard;
 217
 218         struct wl_keyboard_grab input_method_grab;
 219         struct wl_resource *input_method_resource;
 220 };
 221
 222 struct weston_seat {
 223         struct wl_seat seat;
 224         struct wl_pointer pointer;
 225         int has_pointer;
 226         struct weston_keyboard keyboard;
 227         int has_keyboard;
 228         struct wl_touch touch;
 229         int has_touch;
 230
 231         struct weston_compositor *compositor;
 232         struct weston_surface *sprite;
 233         struct wl_listener sprite_destroy_listener;
 234         struct weston_surface *drag_surface;
 235         struct wl_listener drag_surface_destroy_listener;
 236         int32_t hotspot_x, hotspot_y;
 237         struct wl_list link;
 238         enum weston_keyboard_modifier modifier_state;
 239         struct wl_surface *saved_kbd_focus;
 240         struct wl_listener saved_kbd_focus_listener;
 241
 242         uint32_t num_tp;
 243
 244         struct wl_listener new_drag_icon_listener;
 245
 246         void (*led_update)(struct weston_seat *ws, enum weston_led leds);
 247
 248         struct weston_xkb_info xkb_info;
 249         struct {
 250                 struct xkb_state *state;
 251                 enum weston_led leds;
 252         } xkb_state;
 253
 254         struct input_method *input_method;
 255 };
 256
 257 enum {
 258         WESTON_COMPOSITOR_ACTIVE,
 259         WESTON_COMPOSITOR_IDLE,         /* shell->unlock called on activity */
 260         WESTON_COMPOSITOR_SLEEPING      /* no rendering, no frame events */
 261 };
 262
 263 struct weston_layer {
 264         struct wl_list surface_list;
 265         struct wl_list link;
 266 };
 267
 268 struct weston_plane {
 269         pixman_region32_t damage;
 270         pixman_region32_t opaque;
 271         int32_t x, y;
 272 };
 273
 274 struct weston_renderer {
 275         int (*read_pixels)(struct weston_output *output,
 276                                pixman_format_code_t format, void *pixels,
 277                                uint32_t x, uint32_t y,
 278                                uint32_t width, uint32_t height);
 279         void (*repaint_output)(struct weston_output *output,
 280                                pixman_region32_t *output_damage);
 281         void (*flush_damage)(struct weston_surface *surface);
 282         void (*attach)(struct weston_surface *es, struct wl_buffer *buffer);
 283         int (*create_surface)(struct weston_surface *surface);
 284         void (*surface_set_color)(struct weston_surface *surface,
 285                                float red, float green,
 286                                float blue, float alpha);
 287         void (*destroy_surface)(struct weston_surface *surface);
 288         void (*destroy)(struct weston_compositor *ec);
 289 };
 290
 291 struct weston_compositor {
 292         struct wl_signal destroy_signal;
 293
 294         struct wl_display *wl_display;
 295         struct weston_shell_interface shell_interface;
 296
 297         struct wl_signal activate_signal;
 298         struct wl_signal kill_signal;
 299         struct wl_signal idle_signal;
 300         struct wl_signal wake_signal;
 301
 302         struct wl_signal show_input_panel_signal;
 303         struct wl_signal hide_input_panel_signal;
 304
 305         struct wl_signal seat_created_signal;
 306
 307         struct wl_event_loop *input_loop;
 308         struct wl_event_source *input_loop_source;
 309
 310         struct weston_layer fade_layer;
 311         struct weston_layer cursor_layer;
 312
 313         struct wl_list output_list;
 314         struct wl_list seat_list;
 315         struct wl_list layer_list;
 316         struct wl_list surface_list;
 317         struct wl_list key_binding_list;
 318         struct wl_list button_binding_list;
 319         struct wl_list axis_binding_list;
 320         struct wl_list debug_binding_list;
 321
 322         uint32_t state;
 323         struct wl_event_source *idle_source;
 324         uint32_t idle_inhibit;
 325         int option_idle_time;           /* default timeout, s */
 326         int idle_time;                  /* effective timeout, s */
 327
 328         /* Repaint state. */
 329         struct wl_array vertices;
 330         struct wl_array indices; /* only used in compositor-wayland */
 331         struct wl_array vtxcnt;
 332         struct weston_plane primary_plane;
 333         int fan_debug;
 334
 335         uint32_t focus;
 336
 337         struct weston_renderer *renderer;
 338
 339         pixman_format_code_t read_format;
 340
 341         void (*destroy)(struct weston_compositor *ec);
 342         void (*restore)(struct weston_compositor *ec);
 343         int (*authenticate)(struct weston_compositor *c, uint32_t id);
 344
 345         void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
 346
 347         int launcher_sock;
 348
 349         uint32_t output_id_pool;
 350
 351         struct xkb_rule_names xkb_names;
 352         struct xkb_context *xkb_context;
 353         struct weston_xkb_info xkb_info;
 354 };
 355
 356 struct weston_buffer_reference {
 357         struct wl_buffer *buffer;
 358         struct wl_listener destroy_listener;
 359 };
 360
 361 struct weston_region {
 362         struct wl_resource resource;
 363         pixman_region32_t region;
 364 };
 365
 366 /* Using weston_surface transformations
 367  *
 368  * To add a transformation to a surface, create a struct weston_transform, and
 369  * add it to the list surface->geometry.transformation_list. Whenever you
 370  * change the list, anything under surface->geometry, or anything in the
 371  * weston_transforms linked into the list, you must set
 372  * surface->geometry.dirty = 1.
 373  *
 374  * The order in the list defines the order of transformations. Let the list
 375  * contain the transformation matrices M1, ..., Mn as head to tail. The
 376  * transformation is applied to surface-local coordinate vector p as
 377  *    P = Mn * ... * M2 * M1 * p
 378  * to produce the global coordinate vector P. The total transform
 379  *    Mn * ... * M2 * M1
 380  * is cached in surface->transform.matrix, and the inverse of it in
 381  * surface->transform.inverse.
 382  *
 383  * The list always contains surface->transform.position transformation, which
 384  * is the translation by surface->geometry.x and y.
 385  *
 386  * If you want to apply a transformation in local coordinates, add your
 387  * weston_transform to the head of the list. If you want to apply a
 388  * transformation in global coordinates, add it to the tail of the list.
 389  */
 390
 391 struct weston_surface {
 392         struct wl_surface surface;
 393         struct weston_compositor *compositor;
 394         pixman_region32_t clip;
 395         pixman_region32_t damage;
 396         pixman_region32_t opaque;
 397         pixman_region32_t input;
 398         struct wl_list link;
 399         struct wl_list layer_link;
 400         float alpha;
 401         struct weston_plane *plane;
 402
 403         void *renderer_state;
 404
 405         /* Surface geometry state, mutable.
 406          * If you change anything, set dirty = 1.
 407          * That includes the transformations referenced from the list.
 408          */
 409         struct {
 410                 float x, y; /* surface translation on display */
 411                 int32_t width, height;
 412
 413                 /* struct weston_transform */
 414                 struct wl_list transformation_list;
 415
 416                 int dirty;
 417         } geometry;
 418
 419         /* State derived from geometry state, read-only.
 420          * This is updated by weston_surface_update_transform().
 421          */
 422         struct {
 423                 pixman_region32_t boundingbox;
 424                 pixman_region32_t opaque;
 425
 426                 /* matrix and inverse are used only if enabled = 1.
 427                  * If enabled = 0, use x, y, width, height directly.
 428                  */
 429                 int enabled;
 430                 struct weston_matrix matrix;
 431                 struct weston_matrix inverse;
 432
 433                 struct weston_transform position; /* matrix from x, y */
 434         } transform;
 435
 436         /*
 437          * Which output to vsync this surface to.
 438          * Used to determine, whether to send or queue frame events.
 439          * Must be NULL, if 'link' is not in weston_compositor::surface_list.
 440          */
 441         struct weston_output *output;
 442
 443         /*
 444          * A more complete representation of all outputs this surface is
 445          * displayed on.
 446          */
 447         uint32_t output_mask;
 448
 449         struct wl_list frame_callback_list;
 450
 451         struct weston_buffer_reference buffer_ref;
 452         uint32_t buffer_transform;
 453         int keep_buffer; /* bool for backends to prevent early release */
 454
 455         /* All the pending state, that wl_surface.commit will apply. */
 456         struct {
 457                 /* wl_surface.attach */
 458                 int newly_attached;
 459                 struct wl_buffer *buffer;
 460                 struct wl_listener buffer_destroy_listener;
 461                 int32_t sx;
 462                 int32_t sy;
 463
 464                 /* wl_surface.damage */
 465                 pixman_region32_t damage;
 466
 467                 /* wl_surface.set_opaque_region */
 468                 pixman_region32_t opaque;
 469
 470                 /* wl_surface.set_input_region */
 471                 pixman_region32_t input;
 472
 473                 /* wl_surface.frame */
 474                 struct wl_list frame_callback_list;
 475
 476                 /* wl_surface.set_buffer_transform */
 477                 uint32_t buffer_transform;
 478         } pending;
 479
 480         /*
 481          * If non-NULL, this function will be called on surface::attach after
 482          * a new buffer has been set up for this surface. The integer params
 483          * are the sx and sy paramerters supplied to surface::attach .
 484          */
 485         void (*configure)(struct weston_surface *es, int32_t sx, int32_t sy, int32_t width, int32_t height);
 486         void *private;
 487 };
 488
 489 enum weston_key_state_update {
 490         STATE_UPDATE_AUTOMATIC,
 491         STATE_UPDATE_NONE,
 492 };
 493
 494 void
 495 weston_version(int *major, int *minor, int *micro);
 496
 497 void
 498 weston_surface_update_transform(struct weston_surface *surface);
 499
 500 void
 501 weston_surface_to_global_fixed(struct weston_surface *surface,
 502                                wl_fixed_t sx, wl_fixed_t sy,
 503                                wl_fixed_t *x, wl_fixed_t *y);
 504 void
 505 weston_surface_to_global_float(struct weston_surface *surface,
 506                                float sx, float sy, float *x, float *y);
 507
 508 void
 509 weston_surface_from_global_float(struct weston_surface *surface,
 510                                  float x, float y, float *sx, float *sy);
 511 void
 512 weston_surface_from_global(struct weston_surface *surface,
 513                            int32_t x, int32_t y, int32_t *sx, int32_t *sy);
 514 void
 515 weston_surface_from_global_fixed(struct weston_surface *surface,
 516                                  wl_fixed_t x, wl_fixed_t y,
 517                                  wl_fixed_t *sx, wl_fixed_t *sy);
 518 int32_t
 519 weston_surface_buffer_width(struct weston_surface *surface);
 520 int32_t
 521 weston_surface_buffer_height(struct weston_surface *surface);
 522
 523 WL_EXPORT void
 524 weston_surface_to_buffer_float(struct weston_surface *surface,
 525                                float x, float y, float *bx, float *by);
 526 pixman_box32_t
 527 weston_surface_to_buffer_rect(struct weston_surface *surface,
 528                               pixman_box32_t rect);
 529
 530 void
 531 weston_spring_init(struct weston_spring *spring,
 532                    double k, double current, double target);
 533 void
 534 weston_spring_update(struct weston_spring *spring, uint32_t msec);
 535 int
 536 weston_spring_done(struct weston_spring *spring);
 537
 538 void
 539 weston_surface_activate(struct weston_surface *surface,
 540                         struct weston_seat *seat);
 541 void
 542 notify_motion(struct weston_seat *seat, uint32_t time,
 543               wl_fixed_t x, wl_fixed_t y);
 544 void
 545 notify_button(struct weston_seat *seat, uint32_t time, int32_t button,
 546               enum wl_pointer_button_state state);
 547 void
 548 notify_axis(struct weston_seat *seat, uint32_t time, uint32_t axis,
 549             wl_fixed_t value);
 550 void
 551 notify_key(struct weston_seat *seat, uint32_t time, uint32_t key,
 552            enum wl_keyboard_key_state state,
 553            enum weston_key_state_update update_state);
 554 void
 555 notify_modifiers(struct weston_seat *seat, uint32_t serial);
 556
 557 void
 558 notify_pointer_focus(struct weston_seat *seat, struct weston_output *output,
 559                      wl_fixed_t x, wl_fixed_t y);
 560
 561 void
 562 notify_keyboard_focus_in(struct weston_seat *seat, struct wl_array *keys,
 563                          enum weston_key_state_update update_state);
 564 void
 565 notify_keyboard_focus_out(struct weston_seat *seat);
 566
 567 void
 568 notify_touch(struct weston_seat *seat, uint32_t time, int touch_id,
 569              wl_fixed_t x, wl_fixed_t y, int touch_type);
 570
 571 void
 572 weston_layer_init(struct weston_layer *layer, struct wl_list *below);
 573
 574 void
 575 weston_plane_init(struct weston_plane *plane, int32_t x, int32_t y);
 576 void
 577 weston_plane_release(struct weston_plane *plane);
 578
 579 void
 580 weston_output_finish_frame(struct weston_output *output, uint32_t msecs);
 581 void
 582 weston_output_schedule_repaint(struct weston_output *output);
 583 void
 584 weston_output_damage(struct weston_output *output);
 585 void
 586 weston_compositor_schedule_repaint(struct weston_compositor *compositor);
 587 void
 588 weston_compositor_fade(struct weston_compositor *compositor, float tint);
 589 void
 590 weston_compositor_damage_all(struct weston_compositor *compositor);
 591 void
 592 weston_compositor_unlock(struct weston_compositor *compositor);
 593 void
 594 weston_compositor_wake(struct weston_compositor *compositor);
 595 void
 596 weston_compositor_sleep(struct weston_compositor *compositor);
 597 void
 598 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor);
 599
 600
 601 struct weston_binding;
 602 typedef void (*weston_key_binding_handler_t)(struct wl_seat *seat,
 603                                              uint32_t time, uint32_t key,
 604                                              void *data);
 605 struct weston_binding *
 606 weston_compositor_add_key_binding(struct weston_compositor *compositor,
 607                                   uint32_t key,
 608                                   enum weston_keyboard_modifier modifier,
 609                                   weston_key_binding_handler_t binding,
 610                                   void *data);
 611
 612 typedef void (*weston_button_binding_handler_t)(struct wl_seat *seat,
 613                                                 uint32_t time, uint32_t button,
 614                                                 void *data);
 615 struct weston_binding *
 616 weston_compositor_add_button_binding(struct weston_compositor *compositor,
 617                                      uint32_t button,
 618                                      enum weston_keyboard_modifier modifier,
 619                                      weston_button_binding_handler_t binding,
 620                                      void *data);
 621
 622 typedef void (*weston_axis_binding_handler_t)(struct wl_seat *seat,
 623                                               uint32_t time, uint32_t axis,
 624                                               wl_fixed_t value, void *data);
 625 struct weston_binding *
 626 weston_compositor_add_axis_binding(struct weston_compositor *compositor,
 627                                    uint32_t axis,
 628                                    enum weston_keyboard_modifier modifier,
 629                                    weston_axis_binding_handler_t binding,
 630                                    void *data);
 631 struct weston_binding *
 632 weston_compositor_add_debug_binding(struct weston_compositor *compositor,
 633                                     uint32_t key,
 634                                     weston_key_binding_handler_t binding,
 635                                     void *data);
 636 void
 637 weston_binding_destroy(struct weston_binding *binding);
 638
 639 void
 640 weston_binding_list_destroy_all(struct wl_list *list);
 641
 642 void
 643 weston_compositor_run_key_binding(struct weston_compositor *compositor,
 644                                   struct weston_seat *seat, uint32_t time,
 645                                   uint32_t key,
 646                                   enum wl_keyboard_key_state state);
 647 void
 648 weston_compositor_run_button_binding(struct weston_compositor *compositor,
 649                                      struct weston_seat *seat, uint32_t time,
 650                                      uint32_t button,
 651                                      enum wl_pointer_button_state value);
 652 void
 653 weston_compositor_run_axis_binding(struct weston_compositor *compositor,
 654                                    struct weston_seat *seat, uint32_t time,
 655                                    uint32_t axis, int32_t value);
 656 int
 657 weston_compositor_run_debug_binding(struct weston_compositor *compositor,
 658                                     struct weston_seat *seat, uint32_t time,
 659                                     uint32_t key,
 660                                     enum wl_keyboard_key_state state);
 661
 662 int
 663 weston_environment_get_fd(const char *env);
 664
 665 struct wl_list *
 666 weston_compositor_top(struct weston_compositor *compositor);
 667
 668 struct weston_surface *
 669 weston_surface_create(struct weston_compositor *compositor);
 670
 671 void
 672 weston_surface_configure(struct weston_surface *surface,
 673                          float x, float y, int width, int height);
 674
 675 void
 676 weston_surface_restack(struct weston_surface *surface, struct wl_list *below);
 677
 678 void
 679 weston_surface_set_position(struct weston_surface *surface,
 680                             float x, float y);
 681
 682 int
 683 weston_surface_is_mapped(struct weston_surface *surface);
 684
 685 void
 686 weston_surface_schedule_repaint(struct weston_surface *surface);
 687
 688 void
 689 weston_surface_damage(struct weston_surface *surface);
 690
 691 void
 692 weston_surface_damage_below(struct weston_surface *surface);
 693
 694 void
 695 weston_surface_move_to_plane(struct weston_surface *surface,
 696                              struct weston_plane *plane);
 697 void
 698 weston_surface_unmap(struct weston_surface *surface);
 699
 700 void
 701 weston_buffer_reference(struct weston_buffer_reference *ref,
 702                         struct wl_buffer *buffer);
 703
 704 uint32_t
 705 weston_compositor_get_time(void);
 706
 707 int
 708 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
 709                        int *argc, char *argv[], const char *config_file);
 710 void
 711 weston_compositor_shutdown(struct weston_compositor *ec);
 712 void
 713 weston_text_cursor_position_notify(struct weston_surface *surface,
 714                                                 wl_fixed_t x, wl_fixed_t y);
 715 void
 716 weston_output_init_zoom(struct weston_output *output);
 717 void
 718 weston_output_update_zoom(struct weston_output *output, uint32_t type);
 719 void
 720 weston_output_update_matrix(struct weston_output *output);
 721 void
 722 weston_output_move(struct weston_output *output, int x, int y);
 723 void
 724 weston_output_init(struct weston_output *output, struct weston_compositor *c,
 725                    int x, int y, int width, int height, uint32_t transform);
 726 void
 727 weston_output_destroy(struct weston_output *output);
 728
 729 void
 730 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
 731 void
 732 weston_seat_init_pointer(struct weston_seat *seat);
 733 int
 734 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
 735 void
 736 weston_seat_init_touch(struct weston_seat *seat);
 737
 738 void
 739 weston_seat_release(struct weston_seat *seat);
 740
 741 /* String literal of spaces, the same width as the timestamp. */
 742 #define STAMP_SPACE "               "
 743
 744 void
 745 weston_log_file_open(const char *filename);
 746 void
 747 weston_log_file_close(void);
 748 int
 749 weston_log(const char *fmt, ...)
 750         __attribute__ ((format (printf, 1, 2)));
 751 int
 752 weston_log_continue(const char *fmt, ...)
 753         __attribute__ ((format (printf, 1, 2)));
 754
 755 enum {
 756         TTY_ENTER_VT,
 757         TTY_LEAVE_VT
 758 };
 759
 760 typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
 761
 762 struct tty *
 763 tty_create(struct weston_compositor *compositor,
 764            tty_vt_func_t vt_func, int tty_nr);
 765
 766 void
 767 tty_destroy(struct tty *tty);
 768
 769 void
 770 tty_reset(struct tty *tty);
 771
 772 int
 773 tty_activate_vt(struct tty *tty, int vt);
 774
 775 void
 776 screenshooter_create(struct weston_compositor *ec);
 777
 778 struct clipboard *
 779 clipboard_create(struct weston_seat *seat);
 780
 781 void
 782 text_cursor_position_notifier_create(struct weston_compositor *ec);
 783
 784 int
 785 text_backend_init(struct weston_compositor *ec);
 786
 787 struct weston_process;
 788 typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
 789                                             int status);
 790
 791 struct weston_process {
 792         pid_t pid;
 793         weston_process_cleanup_func_t cleanup;
 794         struct wl_list link;
 795 };
 796
 797 struct wl_client *
 798 weston_client_launch(struct weston_compositor *compositor,
 799                      struct weston_process *proc,
 800                      const char *path,
 801                      weston_process_cleanup_func_t cleanup);
 802
 803 void
 804 weston_watch_process(struct weston_process *process);
 805
 806 struct weston_surface_animation;
 807 typedef void (*weston_surface_animation_done_func_t)(struct weston_surface_animation *animation, void *data);
 808
 809 struct weston_surface_animation *
 810 weston_zoom_run(struct weston_surface *surface, float start, float stop,
 811                 weston_surface_animation_done_func_t done, void *data);
 812
 813 struct weston_surface_animation *
 814 weston_fade_run(struct weston_surface *surface,
 815                 float start, float end, float k,
 816                 weston_surface_animation_done_func_t done, void *data);
 817 void
 818 weston_fade_update(struct weston_surface_animation *fade,
 819                    float start, float end, float k);
 820
 821 struct weston_surface_animation *
 822 weston_slide_run(struct weston_surface *surface, float start, float stop,
 823                  weston_surface_animation_done_func_t done, void *data);
 824
 825 void
 826 weston_surface_set_color(struct weston_surface *surface,
 827                          float red, float green, float blue, float alpha);
 828
 829 void
 830 weston_surface_destroy(struct weston_surface *surface);
 831
 832 int
 833 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode);
 834
 835 int
 836 noop_renderer_init(struct weston_compositor *ec);
 837
 838 struct weston_compositor *
 839 backend_init(struct wl_display *display, int *argc, char *argv[],
 840              const char *config_file);
 841
 842 int
 843 module_init(struct weston_compositor *compositor,
 844             int *argc, char *argv[], const char *config_file);
 845
 846 void
 847 weston_transformed_coord(int width, int height,
 848                          enum wl_output_transform transform,
 849                          float sx, float sy, float *bx, float *by);
 850 pixman_box32_t
 851 weston_transformed_rect(int width, int height,
 852                         enum wl_output_transform transform,
 853                         pixman_box32_t rect);
 854
 855 #endif