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 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         int (*move)(struct shell_surface *shsurf, struct weston_seat *ws);
  90         int (*resize)(struct shell_surface *shsurf,
  91                       struct weston_seat *ws, uint32_t edges);
  92
  93 };
  94
  95 struct weston_border {
  96         int32_t left, right, top, bottom;
  97 };
  98
  99 struct weston_animation {
 100         void (*frame)(struct weston_animation *animation,
 101                       struct weston_output *output, uint32_t msecs);
 102         int frame_counter;
 103         struct wl_list link;
 104 };
 105
 106 struct weston_spring {
 107         double k;
 108         double friction;
 109         double current;
 110         double target;
 111         double previous;
 112         uint32_t timestamp;
 113 };
 114
 115 enum {
 116         ZOOM_FOCUS_POINTER,
 117         ZOOM_FOCUS_TEXT
 118 };
 119
 120 struct weston_fixed_point {
 121         wl_fixed_t x, y;
 122 };
 123
 124 struct weston_output_zoom {
 125         int active;
 126         uint32_t type;
 127         float increment;
 128         float level;
 129         float max_level;
 130         float trans_x, trans_y;
 131         struct weston_animation animation_z;
 132         struct weston_spring spring_z;
 133         struct weston_animation animation_xy;
 134         struct weston_spring spring_xy;
 135         struct weston_fixed_point from;
 136         struct weston_fixed_point to;
 137         struct weston_fixed_point current;
 138         struct weston_fixed_point text_cursor;
 139 };
 140
 141 /* bit compatible with drm definitions. */
 142 enum dpms_enum {
 143         WESTON_DPMS_ON,
 144         WESTON_DPMS_STANDBY,
 145         WESTON_DPMS_SUSPEND,
 146         WESTON_DPMS_OFF
 147 };
 148
 149 struct weston_output {
 150         uint32_t id;
 151
 152         struct wl_list link;
 153         struct wl_list resource_list;
 154         struct wl_global *global;
 155         struct weston_compositor *compositor;
 156         struct weston_matrix matrix;
 157         struct wl_list animation_list;
 158         int32_t x, y, mm_width, mm_height;
 159         struct weston_border border;
 160         pixman_region32_t region;
 161         pixman_region32_t previous_damage;
 162         int repaint_needed;
 163         int repaint_scheduled;
 164         struct weston_output_zoom zoom;
 165         int dirty;
 166         struct wl_signal frame_signal;
 167         uint32_t frame_time;
 168         int disable_planes;
 169
 170         char *make, *model;
 171         uint32_t subpixel;
 172         uint32_t transform;
 173
 174         struct weston_mode *current;
 175         struct weston_mode *origin;
 176         struct wl_list mode_list;
 177
 178         void (*repaint)(struct weston_output *output,
 179                         pixman_region32_t *damage);
 180         void (*destroy)(struct weston_output *output);
 181         void (*assign_planes)(struct weston_output *output);
 182         int (*switch_mode)(struct weston_output *output, struct weston_mode *mode);
 183
 184         /* backlight values are on 0-255 range, where higher is brighter */
 185         uint32_t backlight_current;
 186         void (*set_backlight)(struct weston_output *output, uint32_t value);
 187         void (*set_dpms)(struct weston_output *output, enum dpms_enum level);
 188 };
 189
 190 struct weston_xkb_info {
 191         struct xkb_keymap *keymap;
 192         int keymap_fd;
 193         size_t keymap_size;
 194         char *keymap_area;
 195         xkb_mod_index_t shift_mod;
 196         xkb_mod_index_t caps_mod;
 197         xkb_mod_index_t ctrl_mod;
 198         xkb_mod_index_t alt_mod;
 199         xkb_mod_index_t mod2_mod;
 200         xkb_mod_index_t mod3_mod;
 201         xkb_mod_index_t super_mod;
 202         xkb_mod_index_t mod5_mod;
 203         xkb_led_index_t num_led;
 204         xkb_led_index_t caps_led;
 205         xkb_led_index_t scroll_led;
 206 };
 207
 208 struct weston_seat {
 209         struct wl_seat seat;
 210         struct wl_pointer pointer;
 211         int has_pointer;
 212         struct wl_keyboard keyboard;
 213         int has_keyboard;
 214         struct wl_touch touch;
 215         int has_touch;
 216
 217         struct weston_compositor *compositor;
 218         struct weston_surface *sprite;
 219         struct wl_listener sprite_destroy_listener;
 220         struct weston_surface *drag_surface;
 221         struct wl_listener drag_surface_destroy_listener;
 222         int32_t hotspot_x, hotspot_y;
 223         struct wl_list link;
 224         enum weston_keyboard_modifier modifier_state;
 225         struct wl_surface *saved_kbd_focus;
 226         struct wl_listener saved_kbd_focus_listener;
 227
 228         uint32_t num_tp;
 229
 230         struct wl_listener new_drag_icon_listener;
 231
 232         void (*led_update)(struct weston_seat *ws, enum weston_led leds);
 233
 234         struct weston_xkb_info xkb_info;
 235         struct {
 236                 struct xkb_state *state;
 237                 enum weston_led leds;
 238         } xkb_state;
 239
 240         struct input_method *input_method;
 241 };
 242
 243 struct weston_shader {
 244         GLuint program;
 245         GLuint vertex_shader, fragment_shader;
 246         GLint proj_uniform;
 247         GLint tex_uniforms[3];
 248         GLint alpha_uniform;
 249         GLint color_uniform;
 250         GLint texwidth_uniform;
 251         GLint opaque_uniform;
 252 };
 253
 254 enum {
 255         WESTON_COMPOSITOR_ACTIVE,
 256         WESTON_COMPOSITOR_IDLE,         /* shell->unlock called on activity */
 257         WESTON_COMPOSITOR_SLEEPING      /* no rendering, no frame events */
 258 };
 259
 260 struct weston_layer {
 261         struct wl_list surface_list;
 262         struct wl_list link;
 263 };
 264
 265 struct weston_plane {
 266         pixman_region32_t damage;
 267         int32_t x, y;
 268 };
 269
 270 struct weston_compositor {
 271         struct wl_shm *shm;
 272         struct wl_signal destroy_signal;
 273
 274         EGLDisplay egl_display;
 275         EGLContext egl_context;
 276         EGLConfig egl_config;
 277         GLuint fbo;
 278         struct weston_shader texture_shader_rgba;
 279         struct weston_shader texture_shader_y_uv;
 280         struct weston_shader texture_shader_y_u_v;
 281         struct weston_shader texture_shader_y_xuxv;
 282         struct weston_shader solid_shader;
 283         struct weston_shader *current_shader;
 284         struct wl_display *wl_display;
 285         struct weston_shell_interface shell_interface;
 286
 287         struct wl_signal activate_signal;
 288         struct wl_signal lock_signal;
 289         struct wl_signal unlock_signal;
 290
 291         struct wl_signal show_input_panel_signal;
 292         struct wl_signal hide_input_panel_signal;
 293
 294         struct wl_event_loop *input_loop;
 295         struct wl_event_source *input_loop_source;
 296
 297         struct weston_layer fade_layer;
 298         struct weston_layer cursor_layer;
 299
 300         struct wl_list output_list;
 301         struct wl_list seat_list;
 302         struct wl_list layer_list;
 303         struct wl_list surface_list;
 304         struct wl_list key_binding_list;
 305         struct wl_list button_binding_list;
 306         struct wl_list axis_binding_list;
 307         struct {
 308                 struct weston_spring spring;
 309                 struct weston_animation animation;
 310                 struct weston_surface *surface;
 311         } fade;
 312
 313         uint32_t state;
 314         struct wl_event_source *idle_source;
 315         uint32_t idle_inhibit;
 316         int option_idle_time;           /* default timeout, s */
 317         int idle_time;                  /* effective timeout, s */
 318
 319         /* Repaint state. */
 320         struct wl_array vertices, indices;
 321         struct weston_plane primary_plane;
 322
 323         uint32_t focus;
 324
 325         PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC
 326                 image_target_renderbuffer_storage;
 327         PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
 328         PFNEGLCREATEIMAGEKHRPROC create_image;
 329         PFNEGLDESTROYIMAGEKHRPROC destroy_image;
 330
 331         int has_unpack_subimage;
 332         GLenum read_format;
 333
 334         PFNEGLBINDWAYLANDDISPLAYWL bind_display;
 335         PFNEGLUNBINDWAYLANDDISPLAYWL unbind_display;
 336         PFNEGLQUERYWAYLANDBUFFERWL query_buffer;
 337         int has_bind_display;
 338
 339         void (*destroy)(struct weston_compositor *ec);
 340         void (*restore)(struct weston_compositor *ec);
 341         int (*authenticate)(struct weston_compositor *c, uint32_t id);
 342
 343         void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
 344
 345         int launcher_sock;
 346
 347         uint32_t output_id_pool;
 348
 349         struct xkb_rule_names xkb_names;
 350         struct xkb_context *xkb_context;
 351         struct weston_xkb_info xkb_info;
 352 };
 353
 354 struct weston_region {
 355         struct wl_resource resource;
 356         pixman_region32_t region;
 357 };
 358
 359 /* Using weston_surface transformations
 360  *
 361  * To add a transformation to a surface, create a struct weston_transform, and
 362  * add it to the list surface->geometry.transformation_list. Whenever you
 363  * change the list, anything under surface->geometry, or anything in the
 364  * weston_transforms linked into the list, you must set
 365  * surface->geometry.dirty = 1.
 366  *
 367  * The order in the list defines the order of transformations. Let the list
 368  * contain the transformation matrices M1, ..., Mn as head to tail. The
 369  * transformation is applied to surface-local coordinate vector p as
 370  *    P = Mn * ... * M2 * M1 * p
 371  * to produce the global coordinate vector P. The total transform
 372  *    Mn * ... * M2 * M1
 373  * is cached in surface->transform.matrix, and the inverse of it in
 374  * surface->transform.inverse.
 375  *
 376  * The list always contains surface->transform.position transformation, which
 377  * is the translation by surface->geometry.x and y.
 378  *
 379  * If you want to apply a transformation in local coordinates, add your
 380  * weston_transform to the head of the list. If you want to apply a
 381  * transformation in global coordinates, add it to the tail of the list.
 382  */
 383
 384 struct weston_surface {
 385         struct wl_surface surface;
 386         struct weston_compositor *compositor;
 387         GLuint textures[3];
 388         int num_textures;
 389         pixman_region32_t clip;
 390         pixman_region32_t damage;
 391         pixman_region32_t opaque;
 392         pixman_region32_t input;
 393         int32_t pitch;
 394         struct wl_list link;
 395         struct wl_list layer_link;
 396         struct weston_shader *shader;
 397         GLfloat color[4];
 398         GLfloat opaque_rect[4];
 399         GLfloat alpha;
 400         int blend;
 401         struct weston_plane *plane;
 402
 403         /* Surface geometry state, mutable.
 404          * If you change anything, set dirty = 1.
 405          * That includes the transformations referenced from the list.
 406          */
 407         struct {
 408                 GLfloat x, y; /* surface translation on display */
 409                 int32_t width, height;
 410
 411                 /* struct weston_transform */
 412                 struct wl_list transformation_list;
 413
 414                 int dirty;
 415         } geometry;
 416
 417         /* State derived from geometry state, read-only.
 418          * This is updated by weston_surface_update_transform().
 419          */
 420         struct {
 421                 pixman_region32_t boundingbox;
 422                 pixman_region32_t opaque;
 423
 424                 /* matrix and inverse are used only if enabled = 1.
 425                  * If enabled = 0, use x, y, width, height directly.
 426                  */
 427                 int enabled;
 428                 struct weston_matrix matrix;
 429                 struct weston_matrix inverse;
 430
 431                 struct weston_transform position; /* matrix from x, y */
 432         } transform;
 433
 434         /*
 435          * Which output to vsync this surface to.
 436          * Used to determine, whether to send or queue frame events.
 437          * Must be NULL, if 'link' is not in weston_compositor::surface_list.
 438          */
 439         struct weston_output *output;
 440
 441         /*
 442          * A more complete representation of all outputs this surface is
 443          * displayed on.
 444          */
 445         uint32_t output_mask;
 446
 447         struct wl_list frame_callback_list;
 448
 449         EGLImageKHR images[3];
 450         int num_images;
 451
 452         struct wl_buffer *buffer;
 453         struct wl_listener buffer_destroy_listener;
 454
 455         /*
 456          * If non-NULL, this function will be called on surface::attach after
 457          * a new buffer has been set up for this surface. The integer params
 458          * are the sx and sy paramerters supplied to surface::attach .
 459          */
 460         void (*configure)(struct weston_surface *es, int32_t sx, int32_t sy);
 461         void *private;
 462 };
 463
 464 enum weston_key_state_update {
 465         STATE_UPDATE_AUTOMATIC,
 466         STATE_UPDATE_NONE,
 467 };
 468
 469 void
 470 weston_surface_update_transform(struct weston_surface *surface);
 471
 472 void
 473 weston_surface_to_global_fixed(struct weston_surface *surface,
 474                                wl_fixed_t sx, wl_fixed_t sy,
 475                                wl_fixed_t *x, wl_fixed_t *y);
 476 void
 477 weston_surface_to_global_float(struct weston_surface *surface,
 478                                GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y);
 479
 480 void
 481 weston_surface_from_global(struct weston_surface *surface,
 482                            int32_t x, int32_t y, int32_t *sx, int32_t *sy);
 483 void
 484 weston_surface_from_global_fixed(struct weston_surface *surface,
 485                                  wl_fixed_t x, wl_fixed_t y,
 486                                  wl_fixed_t *sx, wl_fixed_t *sy);
 487
 488 void
 489 weston_spring_init(struct weston_spring *spring,
 490                    double k, double current, double target);
 491 void
 492 weston_spring_update(struct weston_spring *spring, uint32_t msec);
 493 int
 494 weston_spring_done(struct weston_spring *spring);
 495
 496 void
 497 weston_surface_activate(struct weston_surface *surface,
 498                         struct weston_seat *seat);
 499 void
 500 weston_surface_draw(struct weston_surface *es,
 501                     struct weston_output *output, pixman_region32_t *damage);
 502
 503 void
 504 notify_motion(struct weston_seat *seat, uint32_t time,
 505               wl_fixed_t x, wl_fixed_t y);
 506 void
 507 notify_button(struct weston_seat *seat, uint32_t time, int32_t button,
 508               enum wl_pointer_button_state state);
 509 void
 510 notify_axis(struct weston_seat *seat, uint32_t time, uint32_t axis,
 511             wl_fixed_t value);
 512 void
 513 notify_key(struct weston_seat *seat, uint32_t time, uint32_t key,
 514            enum wl_keyboard_key_state state,
 515            enum weston_key_state_update update_state);
 516 void
 517 notify_modifiers(struct weston_seat *seat, uint32_t serial);
 518
 519 void
 520 notify_pointer_focus(struct weston_seat *seat, struct weston_output *output,
 521                      wl_fixed_t x, wl_fixed_t y);
 522
 523 void
 524 notify_keyboard_focus_in(struct weston_seat *seat, struct wl_array *keys,
 525                          enum weston_key_state_update update_state);
 526 void
 527 notify_keyboard_focus_out(struct weston_seat *seat);
 528
 529 void
 530 notify_touch(struct weston_seat *seat, uint32_t time, int touch_id,
 531              wl_fixed_t x, wl_fixed_t y, int touch_type);
 532
 533 void
 534 weston_layer_init(struct weston_layer *layer, struct wl_list *below);
 535
 536 void
 537 weston_plane_init(struct weston_plane *plane, int32_t x, int32_t y);
 538 void
 539 weston_plane_release(struct weston_plane *plane);
 540
 541 void
 542 weston_output_finish_frame(struct weston_output *output, uint32_t msecs);
 543 void
 544 weston_output_schedule_repaint(struct weston_output *output);
 545 void
 546 weston_output_damage(struct weston_output *output);
 547 void
 548 weston_compositor_schedule_repaint(struct weston_compositor *compositor);
 549 void
 550 weston_compositor_fade(struct weston_compositor *compositor, float tint);
 551 void
 552 weston_compositor_damage_all(struct weston_compositor *compositor);
 553 void
 554 weston_compositor_unlock(struct weston_compositor *compositor);
 555 void
 556 weston_compositor_wake(struct weston_compositor *compositor);
 557 void
 558 weston_compositor_activity(struct weston_compositor *compositor);
 559 void
 560 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor);
 561
 562
 563 struct weston_binding;
 564 typedef void (*weston_key_binding_handler_t)(struct wl_seat *seat,
 565                                              uint32_t time, uint32_t key,
 566                                              void *data);
 567 struct weston_binding *
 568 weston_compositor_add_key_binding(struct weston_compositor *compositor,
 569                                   uint32_t key,
 570                                   enum weston_keyboard_modifier modifier,
 571                                   weston_key_binding_handler_t binding,
 572                                   void *data);
 573
 574 typedef void (*weston_button_binding_handler_t)(struct wl_seat *seat,
 575                                                 uint32_t time, uint32_t button,
 576                                                 void *data);
 577 struct weston_binding *
 578 weston_compositor_add_button_binding(struct weston_compositor *compositor,
 579                                      uint32_t button,
 580                                      enum weston_keyboard_modifier modifier,
 581                                      weston_button_binding_handler_t binding,
 582                                      void *data);
 583
 584 typedef void (*weston_axis_binding_handler_t)(struct wl_seat *seat,
 585                                               uint32_t time, uint32_t axis,
 586                                               wl_fixed_t value, void *data);
 587 struct weston_binding *
 588 weston_compositor_add_axis_binding(struct weston_compositor *compositor,
 589                                    uint32_t axis,
 590                                    enum weston_keyboard_modifier modifier,
 591                                    weston_axis_binding_handler_t binding,
 592                                    void *data);
 593 void
 594 weston_binding_destroy(struct weston_binding *binding);
 595
 596 void
 597 weston_binding_list_destroy_all(struct wl_list *list);
 598
 599 void
 600 weston_compositor_run_key_binding(struct weston_compositor *compositor,
 601                                   struct weston_seat *seat, uint32_t time,
 602                                   uint32_t key,
 603                                   enum wl_keyboard_key_state state);
 604 void
 605 weston_compositor_run_button_binding(struct weston_compositor *compositor,
 606                                      struct weston_seat *seat, uint32_t time,
 607                                      uint32_t button,
 608                                      enum wl_pointer_button_state value);
 609 void
 610 weston_compositor_run_axis_binding(struct weston_compositor *compositor,
 611                                    struct weston_seat *seat, uint32_t time,
 612                                    uint32_t axis, int32_t value);
 613
 614 int
 615 weston_environment_get_fd(const char *env);
 616
 617 struct wl_list *
 618 weston_compositor_top(struct weston_compositor *compositor);
 619
 620 struct weston_surface *
 621 weston_surface_create(struct weston_compositor *compositor);
 622
 623 void
 624 weston_surface_configure(struct weston_surface *surface,
 625                          GLfloat x, GLfloat y, int width, int height);
 626
 627 void
 628 weston_surface_restack(struct weston_surface *surface, struct wl_list *below);
 629
 630 void
 631 weston_surface_set_position(struct weston_surface *surface,
 632                             GLfloat x, GLfloat y);
 633
 634 int
 635 weston_surface_is_mapped(struct weston_surface *surface);
 636
 637 void
 638 weston_surface_assign_output(struct weston_surface *surface);
 639
 640 void
 641 weston_surface_schedule_repaint(struct weston_surface *surface);
 642
 643 void
 644 weston_surface_damage(struct weston_surface *surface);
 645
 646 void
 647 weston_surface_damage_below(struct weston_surface *surface);
 648
 649 void
 650 weston_surface_move_to_plane(struct weston_surface *surface,
 651                              struct weston_plane *plane);
 652 void
 653 weston_surface_unmap(struct weston_surface *surface);
 654
 655 void
 656 weston_buffer_post_release(struct wl_buffer *buffer);
 657
 658 uint32_t
 659 weston_compositor_get_time(void);
 660
 661 int
 662 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
 663                        int argc, char *argv[], const char *config_file);
 664 int
 665 weston_compositor_init_gl(struct weston_compositor *ec);
 666 void
 667 weston_compositor_shutdown(struct weston_compositor *ec);
 668 void
 669 weston_text_cursor_position_notify(struct weston_surface *surface,
 670                                                 wl_fixed_t x, wl_fixed_t y);
 671 void
 672 weston_output_init_zoom(struct weston_output *output);
 673 void
 674 weston_output_update_zoom(struct weston_output *output, uint32_t type);
 675 void
 676 weston_output_update_matrix(struct weston_output *output);
 677 void
 678 weston_output_move(struct weston_output *output, int x, int y);
 679 void
 680 weston_output_init(struct weston_output *output, struct weston_compositor *c,
 681                    int x, int y, int width, int height);
 682 void
 683 weston_output_destroy(struct weston_output *output);
 684
 685 void
 686 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
 687 void
 688 weston_seat_init_pointer(struct weston_seat *seat);
 689 void
 690 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
 691 void
 692 weston_seat_init_touch(struct weston_seat *seat);
 693
 694 void
 695 weston_seat_release(struct weston_seat *seat);
 696
 697 /* String literal of spaces, the same width as the timestamp. */
 698 #define STAMP_SPACE "               "
 699
 700 void
 701 weston_log_file_open(const char *filename);
 702 void
 703 weston_log_file_close(void);
 704 int
 705 weston_log(const char *fmt, ...)
 706         __attribute__ ((format (printf, 1, 2)));
 707 int
 708 weston_log_continue(const char *fmt, ...)
 709         __attribute__ ((format (printf, 1, 2)));
 710
 711 enum {
 712         TTY_ENTER_VT,
 713         TTY_LEAVE_VT
 714 };
 715
 716 typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
 717
 718 struct tty *
 719 tty_create(struct weston_compositor *compositor,
 720            tty_vt_func_t vt_func, int tty_nr);
 721
 722 void
 723 tty_destroy(struct tty *tty);
 724
 725 void
 726 tty_reset(struct tty *tty);
 727
 728 int
 729 tty_activate_vt(struct tty *tty, int vt);
 730
 731 void
 732 screenshooter_create(struct weston_compositor *ec);
 733
 734 struct clipboard *
 735 clipboard_create(struct weston_seat *seat);
 736
 737 void
 738 text_cursor_position_notifier_create(struct weston_compositor *ec);
 739
 740 void
 741 input_method_create(struct weston_compositor *ec,
 742                     struct weston_seat *seat);
 743
 744 struct weston_process;
 745 typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
 746                                             int status);
 747
 748 struct weston_process {
 749         pid_t pid;
 750         weston_process_cleanup_func_t cleanup;
 751         struct wl_list link;
 752 };
 753
 754 struct wl_client *
 755 weston_client_launch(struct weston_compositor *compositor,
 756                      struct weston_process *proc,
 757                      const char *path,
 758                      weston_process_cleanup_func_t cleanup);
 759
 760 void
 761 weston_watch_process(struct weston_process *process);
 762
 763 int
 764 weston_xserver_init(struct weston_compositor *compositor);
 765
 766 struct weston_surface_animation;
 767 typedef void (*weston_surface_animation_done_func_t)(struct weston_surface_animation *animation, void *data);
 768
 769 struct weston_surface_animation *
 770 weston_zoom_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
 771                 weston_surface_animation_done_func_t done, void *data);
 772
 773 struct weston_surface_animation *
 774 weston_fade_run(struct weston_surface *surface,
 775                 weston_surface_animation_done_func_t done, void *data);
 776 struct weston_surface_animation *
 777 weston_slide_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
 778                  weston_surface_animation_done_func_t done, void *data);
 779
 780 void
 781 weston_surface_set_color(struct weston_surface *surface,
 782                          GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
 783
 784 void
 785 weston_surface_destroy(struct weston_surface *surface);
 786
 787 struct weston_compositor *
 788 backend_init(struct wl_display *display, int argc, char *argv[],
 789              const char *config_file);
 790
 791 int
 792 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode);
 793
 794 #endif