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         MODIFIER_SHIFT = (1 << 3),
  56 };
  57
  58 enum weston_led {
  59         LED_NUM_LOCK = (1 << 0),
  60         LED_CAPS_LOCK = (1 << 1),
  61         LED_SCROLL_LOCK = (1 << 2),
  62 };
  63
  64 struct weston_mode {
  65         uint32_t flags;
  66         int32_t width, height;
  67         uint32_t refresh;
  68         struct wl_list link;
  69 };
  70
  71 struct weston_shell_client {
  72         void (*send_configure)(struct weston_surface *surface,
  73                                uint32_t edges, int32_t width, int32_t height);
  74 };
  75
  76 struct weston_shell_interface {
  77         void *shell;                    /* either desktop or tablet */
  78
  79         struct shell_surface *(*create_shell_surface)(void *shell,
  80                                                       struct weston_surface *surface,
  81                                                       const struct weston_shell_client *client);
  82
  83         void (*set_toplevel)(struct shell_surface *shsurf);
  84
  85         void (*set_transient)(struct shell_surface *shsurf,
  86                               struct weston_surface *parent,
  87                               int x, int y, uint32_t flags);
  88         int (*move)(struct shell_surface *shsurf, struct weston_seat *ws);
  89         int (*resize)(struct shell_surface *shsurf,
  90                       struct weston_seat *ws, uint32_t edges);
  91
  92 };
  93
  94 struct weston_border {
  95         int32_t left, right, top, bottom;
  96 };
  97
  98 struct weston_animation {
  99         void (*frame)(struct weston_animation *animation,
 100                       struct weston_output *output, uint32_t msecs);
 101         int frame_counter;
 102         struct wl_list link;
 103 };
 104
 105 struct weston_spring {
 106         double k;
 107         double friction;
 108         double current;
 109         double target;
 110         double previous;
 111         uint32_t timestamp;
 112 };
 113
 114 enum {
 115         ZOOM_FOCUS_POINTER,
 116         ZOOM_FOCUS_TEXT
 117 };
 118
 119 struct weston_fixed_point {
 120         wl_fixed_t x, y;
 121 };
 122
 123 struct weston_output_zoom {
 124         int active;
 125         uint32_t type;
 126         float increment;
 127         float level;
 128         float max_level;
 129         float trans_x, trans_y;
 130         struct weston_animation animation_z;
 131         struct weston_spring spring_z;
 132         struct weston_animation animation_xy;
 133         struct weston_spring spring_xy;
 134         struct weston_fixed_point from;
 135         struct weston_fixed_point to;
 136         struct weston_fixed_point current;
 137         struct weston_fixed_point text_cursor;
 138 };
 139
 140 /* bit compatible with drm definitions. */
 141 enum dpms_enum {
 142         WESTON_DPMS_ON,
 143         WESTON_DPMS_STANDBY,
 144         WESTON_DPMS_SUSPEND,
 145         WESTON_DPMS_OFF
 146 };
 147
 148 struct weston_output {
 149         uint32_t id;
 150
 151         struct wl_list link;
 152         struct wl_list resource_list;
 153         struct wl_global *global;
 154         struct weston_compositor *compositor;
 155         struct weston_matrix matrix;
 156         struct wl_list animation_list;
 157         int32_t x, y, mm_width, mm_height;
 158         struct weston_border border;
 159         pixman_region32_t region;
 160         pixman_region32_t previous_damage;
 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         int disable_planes;
 168
 169         char *make, *model;
 170         uint32_t subpixel;
 171         uint32_t transform;
 172
 173         struct weston_mode *current;
 174         struct weston_mode *origin;
 175         struct wl_list mode_list;
 176
 177         void (*repaint)(struct weston_output *output,
 178                         pixman_region32_t *damage);
 179         void (*destroy)(struct weston_output *output);
 180         void (*assign_planes)(struct weston_output *output);
 181         int (*switch_mode)(struct weston_output *output, struct weston_mode *mode);
 182
 183         /* backlight values are on 0-255 range, where higher is brighter */
 184         uint32_t backlight_current;
 185         void (*set_backlight)(struct weston_output *output, uint32_t value);
 186         void (*set_dpms)(struct weston_output *output, enum dpms_enum level);
 187 };
 188
 189 struct weston_xkb_info {
 190         struct xkb_keymap *keymap;
 191         int keymap_fd;
 192         size_t keymap_size;
 193         char *keymap_area;
 194         xkb_mod_index_t shift_mod;
 195         xkb_mod_index_t caps_mod;
 196         xkb_mod_index_t ctrl_mod;
 197         xkb_mod_index_t alt_mod;
 198         xkb_mod_index_t mod2_mod;
 199         xkb_mod_index_t mod3_mod;
 200         xkb_mod_index_t super_mod;
 201         xkb_mod_index_t mod5_mod;
 202         xkb_led_index_t num_led;
 203         xkb_led_index_t caps_led;
 204         xkb_led_index_t scroll_led;
 205 };
 206
 207 struct weston_seat {
 208         struct wl_seat seat;
 209         struct wl_pointer pointer;
 210         int has_pointer;
 211         struct wl_keyboard keyboard;
 212         int has_keyboard;
 213         struct wl_touch touch;
 214         int has_touch;
 215
 216         struct weston_compositor *compositor;
 217         struct weston_surface *sprite;
 218         struct wl_listener sprite_destroy_listener;
 219         struct weston_surface *drag_surface;
 220         struct wl_listener drag_surface_destroy_listener;
 221         int32_t hotspot_x, hotspot_y;
 222         struct wl_list link;
 223         enum weston_keyboard_modifier modifier_state;
 224         struct wl_surface *saved_kbd_focus;
 225         struct wl_listener saved_kbd_focus_listener;
 226
 227         uint32_t num_tp;
 228
 229         struct wl_listener new_drag_icon_listener;
 230
 231         void (*led_update)(struct weston_seat *ws, enum weston_led leds);
 232
 233         struct weston_xkb_info xkb_info;
 234         struct {
 235                 struct xkb_state *state;
 236                 enum weston_led leds;
 237         } xkb_state;
 238 };
 239
 240 struct weston_shader {
 241         GLuint program;
 242         GLuint vertex_shader, fragment_shader;
 243         GLint proj_uniform;
 244         GLint tex_uniforms[3];
 245         GLint alpha_uniform;
 246         GLint color_uniform;
 247         GLint texwidth_uniform;
 248         GLint opaque_uniform;
 249 };
 250
 251 enum {
 252         WESTON_COMPOSITOR_ACTIVE,
 253         WESTON_COMPOSITOR_IDLE,         /* shell->unlock called on activity */
 254         WESTON_COMPOSITOR_SLEEPING      /* no rendering, no frame events */
 255 };
 256
 257 struct weston_layer {
 258         struct wl_list surface_list;
 259         struct wl_list link;
 260 };
 261
 262 struct weston_plane {
 263         pixman_region32_t damage;
 264         int32_t x, y;
 265 };
 266
 267 struct weston_compositor {
 268         struct wl_shm *shm;
 269         struct wl_signal destroy_signal;
 270
 271         EGLDisplay egl_display;
 272         EGLContext egl_context;
 273         EGLConfig egl_config;
 274         GLuint fbo;
 275         struct weston_shader texture_shader_rgba;
 276         struct weston_shader texture_shader_y_uv;
 277         struct weston_shader texture_shader_y_u_v;
 278         struct weston_shader texture_shader_y_xuxv;
 279         struct weston_shader solid_shader;
 280         struct weston_shader *current_shader;
 281         struct wl_display *wl_display;
 282         struct weston_shell_interface shell_interface;
 283
 284         struct wl_signal activate_signal;
 285         struct wl_signal lock_signal;
 286         struct wl_signal unlock_signal;
 287
 288         struct wl_signal show_input_panel_signal;
 289         struct wl_signal hide_input_panel_signal;
 290
 291         struct wl_event_loop *input_loop;
 292         struct wl_event_source *input_loop_source;
 293
 294         struct weston_layer fade_layer;
 295         struct weston_layer cursor_layer;
 296
 297         struct wl_list output_list;
 298         struct wl_list seat_list;
 299         struct wl_list layer_list;
 300         struct wl_list surface_list;
 301         struct wl_list key_binding_list;
 302         struct wl_list button_binding_list;
 303         struct wl_list axis_binding_list;
 304         struct {
 305                 struct weston_spring spring;
 306                 struct weston_animation animation;
 307                 struct weston_surface *surface;
 308         } fade;
 309
 310         uint32_t state;
 311         struct wl_event_source *idle_source;
 312         uint32_t idle_inhibit;
 313         int option_idle_time;           /* default timeout, s */
 314         int idle_time;                  /* effective timeout, s */
 315
 316         /* Repaint state. */
 317         struct wl_array vertices, indices;
 318         struct weston_plane primary_plane;
 319
 320         uint32_t focus;
 321
 322         PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC
 323                 image_target_renderbuffer_storage;
 324         PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
 325         PFNEGLCREATEIMAGEKHRPROC create_image;
 326         PFNEGLDESTROYIMAGEKHRPROC destroy_image;
 327
 328         int has_unpack_subimage;
 329         GLenum read_format;
 330
 331         PFNEGLBINDWAYLANDDISPLAYWL bind_display;
 332         PFNEGLUNBINDWAYLANDDISPLAYWL unbind_display;
 333         PFNEGLQUERYWAYLANDBUFFERWL query_buffer;
 334         int has_bind_display;
 335
 336         void (*destroy)(struct weston_compositor *ec);
 337         void (*restore)(struct weston_compositor *ec);
 338         int (*authenticate)(struct weston_compositor *c, uint32_t id);
 339
 340         void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
 341
 342         int launcher_sock;
 343
 344         uint32_t output_id_pool;
 345
 346         struct xkb_rule_names xkb_names;
 347         struct xkb_context *xkb_context;
 348         struct weston_xkb_info xkb_info;
 349 };
 350
 351 enum weston_output_flags {
 352         WL_OUTPUT_FLIPPED = 0x01
 353 };
 354
 355 struct weston_region {
 356         struct wl_resource resource;
 357         pixman_region32_t region;
 358 };
 359
 360 /* Using weston_surface transformations
 361  *
 362  * To add a transformation to a surface, create a struct weston_transform, and
 363  * add it to the list surface->geometry.transformation_list. Whenever you
 364  * change the list, anything under surface->geometry, or anything in the
 365  * weston_transforms linked into the list, you must set
 366  * surface->geometry.dirty = 1.
 367  *
 368  * The order in the list defines the order of transformations. Let the list
 369  * contain the transformation matrices M1, ..., Mn as head to tail. The
 370  * transformation is applied to surface-local coordinate vector p as
 371  *    P = Mn * ... * M2 * M1 * p
 372  * to produce the global coordinate vector P. The total transform
 373  *    Mn * ... * M2 * M1
 374  * is cached in surface->transform.matrix, and the inverse of it in
 375  * surface->transform.inverse.
 376  *
 377  * The list always contains surface->transform.position transformation, which
 378  * is the translation by surface->geometry.x and y.
 379  *
 380  * If you want to apply a transformation in local coordinates, add your
 381  * weston_transform to the head of the list. If you want to apply a
 382  * transformation in global coordinates, add it to the tail of the list.
 383  */
 384
 385 struct weston_surface {
 386         struct wl_surface surface;
 387         struct weston_compositor *compositor;
 388         GLuint textures[3];
 389         int num_textures;
 390         pixman_region32_t clip;
 391         pixman_region32_t damage;
 392         pixman_region32_t opaque;
 393         pixman_region32_t input;
 394         int32_t pitch;
 395         struct wl_list link;
 396         struct wl_list layer_link;
 397         struct weston_shader *shader;
 398         GLfloat color[4];
 399         GLfloat opaque_rect[4];
 400         GLfloat alpha;
 401         int blend;
 402         struct weston_plane *plane;
 403
 404         /* Surface geometry state, mutable.
 405          * If you change anything, set dirty = 1.
 406          * That includes the transformations referenced from the list.
 407          */
 408         struct {
 409                 GLfloat x, y; /* surface translation on display */
 410                 int32_t width, height;
 411
 412                 /* struct weston_transform */
 413                 struct wl_list transformation_list;
 414
 415                 int dirty;
 416         } geometry;
 417
 418         /* State derived from geometry state, read-only.
 419          * This is updated by weston_surface_update_transform().
 420          */
 421         struct {
 422                 pixman_region32_t boundingbox;
 423                 pixman_region32_t opaque;
 424
 425                 /* matrix and inverse are used only if enabled = 1.
 426                  * If enabled = 0, use x, y, width, height directly.
 427                  */
 428                 int enabled;
 429                 struct weston_matrix matrix;
 430                 struct weston_matrix inverse;
 431
 432                 struct weston_transform position; /* matrix from x, y */
 433         } transform;
 434
 435         /*
 436          * Which output to vsync this surface to.
 437          * Used to determine, whether to send or queue frame events.
 438          * Must be NULL, if 'link' is not in weston_compositor::surface_list.
 439          */
 440         struct weston_output *output;
 441
 442         /*
 443          * A more complete representation of all outputs this surface is
 444          * displayed on.
 445          */
 446         uint32_t output_mask;
 447
 448         struct wl_list frame_callback_list;
 449
 450         EGLImageKHR images[3];
 451         int num_images;
 452
 453         struct wl_buffer *buffer;
 454         struct wl_listener buffer_destroy_listener;
 455
 456         /*
 457          * If non-NULL, this function will be called on surface::attach after
 458          * a new buffer has been set up for this surface. The integer params
 459          * are the sx and sy paramerters supplied to surface::attach .
 460          */
 461         void (*configure)(struct weston_surface *es, int32_t sx, int32_t sy);
 462         void *private;
 463 };
 464
 465 enum weston_key_state_update {
 466         STATE_UPDATE_AUTOMATIC,
 467         STATE_UPDATE_NONE,
 468 };
 469
 470 void
 471 weston_surface_update_transform(struct weston_surface *surface);
 472
 473 void
 474 weston_surface_to_global_fixed(struct weston_surface *surface,
 475                                wl_fixed_t sx, wl_fixed_t sy,
 476                                wl_fixed_t *x, wl_fixed_t *y);
 477 void
 478 weston_surface_to_global_float(struct weston_surface *surface,
 479                                GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y);
 480
 481 void
 482 weston_surface_from_global(struct weston_surface *surface,
 483                            int32_t x, int32_t y, int32_t *sx, int32_t *sy);
 484 void
 485 weston_surface_from_global_fixed(struct weston_surface *surface,
 486                                  wl_fixed_t x, wl_fixed_t y,
 487                                  wl_fixed_t *sx, wl_fixed_t *sy);
 488
 489 void
 490 weston_spring_init(struct weston_spring *spring,
 491                    double k, double current, double target);
 492 void
 493 weston_spring_update(struct weston_spring *spring, uint32_t msec);
 494 int
 495 weston_spring_done(struct weston_spring *spring);
 496
 497 void
 498 weston_surface_activate(struct weston_surface *surface,
 499                         struct weston_seat *seat);
 500 void
 501 weston_surface_draw(struct weston_surface *es,
 502                     struct weston_output *output, pixman_region32_t *damage);
 503
 504 void
 505 notify_motion(struct wl_seat *seat, uint32_t time,
 506               wl_fixed_t x, wl_fixed_t y);
 507 void
 508 notify_button(struct wl_seat *seat, uint32_t time, int32_t button,
 509               enum wl_pointer_button_state state);
 510 void
 511 notify_axis(struct wl_seat *seat, uint32_t time, uint32_t axis,
 512             wl_fixed_t value);
 513 void
 514 notify_key(struct wl_seat *seat, uint32_t time, uint32_t key,
 515            enum wl_keyboard_key_state state,
 516            enum weston_key_state_update update_state);
 517 void
 518 notify_modifiers(struct wl_seat *seat, uint32_t serial);
 519
 520 void
 521 notify_pointer_focus(struct wl_seat *seat, struct weston_output *output,
 522                      wl_fixed_t x, wl_fixed_t y);
 523
 524 void
 525 notify_keyboard_focus_in(struct wl_seat *seat, struct wl_array *keys,
 526                          enum weston_key_state_update update_state);
 527 void
 528 notify_keyboard_focus_out(struct wl_seat *seat);
 529
 530 void
 531 notify_touch(struct wl_seat *seat, uint32_t time, int touch_id,
 532              wl_fixed_t x, wl_fixed_t y, int touch_type);
 533
 534 void
 535 weston_layer_init(struct weston_layer *layer, struct wl_list *below);
 536
 537 void
 538 weston_plane_init(struct weston_plane *plane, int32_t x, int32_t y);
 539 void
 540 weston_plane_release(struct weston_plane *plane);
 541
 542 void
 543 weston_output_finish_frame(struct weston_output *output, uint32_t msecs);
 544 void
 545 weston_output_schedule_repaint(struct weston_output *output);
 546 void
 547 weston_output_damage(struct weston_output *output);
 548 void
 549 weston_compositor_schedule_repaint(struct weston_compositor *compositor);
 550 void
 551 weston_compositor_fade(struct weston_compositor *compositor, float tint);
 552 void
 553 weston_compositor_damage_all(struct weston_compositor *compositor);
 554 void
 555 weston_compositor_unlock(struct weston_compositor *compositor);
 556 void
 557 weston_compositor_wake(struct weston_compositor *compositor);
 558 void
 559 weston_compositor_activity(struct weston_compositor *compositor);
 560 void
 561 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor);
 562
 563
 564 struct weston_binding;
 565 typedef void (*weston_key_binding_handler_t)(struct wl_seat *seat,
 566                                              uint32_t time, uint32_t key,
 567                                              void *data);
 568 struct weston_binding *
 569 weston_compositor_add_key_binding(struct weston_compositor *compositor,
 570                                   uint32_t key,
 571                                   enum weston_keyboard_modifier modifier,
 572                                   weston_key_binding_handler_t binding,
 573                                   void *data);
 574
 575 typedef void (*weston_button_binding_handler_t)(struct wl_seat *seat,
 576                                                 uint32_t time, uint32_t button,
 577                                                 void *data);
 578 struct weston_binding *
 579 weston_compositor_add_button_binding(struct weston_compositor *compositor,
 580                                      uint32_t button,
 581                                      enum weston_keyboard_modifier modifier,
 582                                      weston_button_binding_handler_t binding,
 583                                      void *data);
 584
 585 typedef void (*weston_axis_binding_handler_t)(struct wl_seat *seat,
 586                                               uint32_t time, uint32_t axis,
 587                                               wl_fixed_t value, void *data);
 588 struct weston_binding *
 589 weston_compositor_add_axis_binding(struct weston_compositor *compositor,
 590                                    uint32_t axis,
 591                                    enum weston_keyboard_modifier modifier,
 592                                    weston_axis_binding_handler_t binding,
 593                                    void *data);
 594 void
 595 weston_binding_destroy(struct weston_binding *binding);
 596
 597 void
 598 weston_binding_list_destroy_all(struct wl_list *list);
 599
 600 void
 601 weston_compositor_run_key_binding(struct weston_compositor *compositor,
 602                                   struct weston_seat *seat, uint32_t time,
 603                                   uint32_t key,
 604                                   enum wl_keyboard_key_state state);
 605 void
 606 weston_compositor_run_button_binding(struct weston_compositor *compositor,
 607                                      struct weston_seat *seat, uint32_t time,
 608                                      uint32_t button,
 609                                      enum wl_pointer_button_state value);
 610 void
 611 weston_compositor_run_axis_binding(struct weston_compositor *compositor,
 612                                    struct weston_seat *seat, uint32_t time,
 613                                    uint32_t axis, int32_t value);
 614
 615 int
 616 weston_environment_get_fd(const char *env);
 617
 618 struct wl_list *
 619 weston_compositor_top(struct weston_compositor *compositor);
 620
 621 struct weston_surface *
 622 weston_surface_create(struct weston_compositor *compositor);
 623
 624 void
 625 weston_surface_configure(struct weston_surface *surface,
 626                          GLfloat x, GLfloat y, int width, int height);
 627
 628 void
 629 weston_surface_restack(struct weston_surface *surface, struct wl_list *below);
 630
 631 void
 632 weston_surface_set_position(struct weston_surface *surface,
 633                             GLfloat x, GLfloat y);
 634
 635 int
 636 weston_surface_is_mapped(struct weston_surface *surface);
 637
 638 void
 639 weston_surface_assign_output(struct weston_surface *surface);
 640
 641 void
 642 weston_surface_schedule_repaint(struct weston_surface *surface);
 643
 644 void
 645 weston_surface_damage(struct weston_surface *surface);
 646
 647 void
 648 weston_surface_damage_below(struct weston_surface *surface);
 649
 650 void
 651 weston_surface_move_to_plane(struct weston_surface *surface,
 652                              struct weston_plane *plane);
 653 void
 654 weston_surface_unmap(struct weston_surface *surface);
 655
 656 void
 657 weston_buffer_post_release(struct wl_buffer *buffer);
 658
 659 uint32_t
 660 weston_compositor_get_time(void);
 661
 662 int
 663 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
 664                        int argc, char *argv[], const char *config_file);
 665 int
 666 weston_compositor_init_gl(struct weston_compositor *ec);
 667 void
 668 weston_compositor_shutdown(struct weston_compositor *ec);
 669 void
 670 weston_text_cursor_position_notify(struct weston_surface *surface,
 671                                                 wl_fixed_t x, wl_fixed_t y);
 672 void
 673 weston_output_init_zoom(struct weston_output *output);
 674 void
 675 weston_output_update_zoom(struct weston_output *output, uint32_t type);
 676 void
 677 weston_output_update_matrix(struct weston_output *output);
 678 void
 679 weston_output_move(struct weston_output *output, int x, int y);
 680 void
 681 weston_output_init(struct weston_output *output, struct weston_compositor *c,
 682                    int x, int y, int width, int height);
 683 void
 684 weston_output_destroy(struct weston_output *output);
 685
 686 void
 687 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
 688 void
 689 weston_seat_init_pointer(struct weston_seat *seat);
 690 void
 691 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
 692 void
 693 weston_seat_init_touch(struct weston_seat *seat);
 694
 695 void
 696 weston_seat_release(struct weston_seat *seat);
 697
 698 /* String literal of spaces, the same width as the timestamp. */
 699 #define STAMP_SPACE "               "
 700
 701 void
 702 weston_log_file_open(const char *filename);
 703 void
 704 weston_log_file_close(void);
 705 int
 706 weston_log(const char *fmt, ...)
 707         __attribute__ ((format (printf, 1, 2)));
 708 int
 709 weston_log_continue(const char *fmt, ...)
 710         __attribute__ ((format (printf, 1, 2)));
 711
 712 enum {
 713         TTY_ENTER_VT,
 714         TTY_LEAVE_VT
 715 };
 716
 717 typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
 718
 719 struct tty *
 720 tty_create(struct weston_compositor *compositor,
 721            tty_vt_func_t vt_func, int tty_nr);
 722
 723 void
 724 tty_destroy(struct tty *tty);
 725
 726 void
 727 tty_reset(struct tty *tty);
 728
 729 int
 730 tty_activate_vt(struct tty *tty, int vt);
 731
 732 void
 733 screenshooter_create(struct weston_compositor *ec);
 734
 735 struct clipboard *
 736 clipboard_create(struct weston_seat *seat);
 737
 738 void
 739 text_cursor_position_notifier_create(struct weston_compositor *ec);
 740
 741 void
 742 input_method_create(struct weston_compositor *ec);
 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