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         EGLSurface egl_surface;
 153         struct wl_list link;
 154         struct wl_list resource_list;
 155         struct wl_global *global;
 156         struct weston_compositor *compositor;
 157         struct weston_matrix matrix;
 158         struct wl_list animation_list;
 159         int32_t x, y, width, height;
 160         int32_t mm_width, mm_height;
 161         struct weston_border border;
 162         pixman_region32_t region;
 163         pixman_region32_t previous_damage;
 164         int repaint_needed;
 165         int repaint_scheduled;
 166         struct weston_output_zoom zoom;
 167         int dirty;
 168         struct wl_signal frame_signal;
 169         uint32_t frame_time;
 170         int disable_planes;
 171
 172         char *make, *model;
 173         uint32_t subpixel;
 174         uint32_t transform;
 175
 176         struct weston_mode *current;
 177         struct weston_mode *origin;
 178         struct wl_list mode_list;
 179
 180         void (*repaint)(struct weston_output *output,
 181                         pixman_region32_t *damage);
 182         void (*destroy)(struct weston_output *output);
 183         void (*assign_planes)(struct weston_output *output);
 184         int (*switch_mode)(struct weston_output *output, struct weston_mode *mode);
 185
 186         /* backlight values are on 0-255 range, where higher is brighter */
 187         uint32_t backlight_current;
 188         void (*set_backlight)(struct weston_output *output, uint32_t value);
 189         void (*set_dpms)(struct weston_output *output, enum dpms_enum level);
 190 };
 191
 192 struct weston_xkb_info {
 193         struct xkb_keymap *keymap;
 194         int keymap_fd;
 195         size_t keymap_size;
 196         char *keymap_area;
 197         xkb_mod_index_t shift_mod;
 198         xkb_mod_index_t caps_mod;
 199         xkb_mod_index_t ctrl_mod;
 200         xkb_mod_index_t alt_mod;
 201         xkb_mod_index_t mod2_mod;
 202         xkb_mod_index_t mod3_mod;
 203         xkb_mod_index_t super_mod;
 204         xkb_mod_index_t mod5_mod;
 205         xkb_led_index_t num_led;
 206         xkb_led_index_t caps_led;
 207         xkb_led_index_t scroll_led;
 208 };
 209
 210 struct weston_seat {
 211         struct wl_seat seat;
 212         struct wl_pointer pointer;
 213         int has_pointer;
 214         struct wl_keyboard keyboard;
 215         int has_keyboard;
 216         struct wl_touch touch;
 217         int has_touch;
 218
 219         struct weston_compositor *compositor;
 220         struct weston_surface *sprite;
 221         struct wl_listener sprite_destroy_listener;
 222         struct weston_surface *drag_surface;
 223         struct wl_listener drag_surface_destroy_listener;
 224         int32_t hotspot_x, hotspot_y;
 225         struct wl_list link;
 226         enum weston_keyboard_modifier modifier_state;
 227         struct wl_surface *saved_kbd_focus;
 228         struct wl_listener saved_kbd_focus_listener;
 229
 230         uint32_t num_tp;
 231
 232         struct wl_listener new_drag_icon_listener;
 233
 234         void (*led_update)(struct weston_seat *ws, enum weston_led leds);
 235
 236         struct weston_xkb_info xkb_info;
 237         struct {
 238                 struct xkb_state *state;
 239                 enum weston_led leds;
 240         } xkb_state;
 241
 242         struct input_method *input_method;
 243 };
 244
 245 struct weston_shader {
 246         GLuint program;
 247         GLuint vertex_shader, fragment_shader;
 248         GLint proj_uniform;
 249         GLint tex_uniforms[3];
 250         GLint alpha_uniform;
 251         GLint color_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_renderer {
 271         void (*repaint_output)(struct weston_output *output,
 272                                pixman_region32_t *output_damage);
 273         void (*flush_damage)(struct weston_surface *surface);
 274         void (*attach)(struct weston_surface *es, struct wl_buffer *buffer);
 275         void (*destroy_surface)(struct weston_surface *surface);
 276 };
 277
 278 struct weston_compositor {
 279         struct wl_shm *shm;
 280         struct wl_signal destroy_signal;
 281
 282         EGLDisplay egl_display;
 283         EGLContext egl_context;
 284         EGLConfig egl_config;
 285         struct weston_shader texture_shader_rgba;
 286         struct weston_shader texture_shader_rgbx;
 287         struct weston_shader texture_shader_egl_external;
 288         struct weston_shader texture_shader_y_uv;
 289         struct weston_shader texture_shader_y_u_v;
 290         struct weston_shader texture_shader_y_xuxv;
 291         struct weston_shader solid_shader;
 292         struct weston_shader *current_shader;
 293         struct wl_display *wl_display;
 294         struct weston_shell_interface shell_interface;
 295
 296         struct wl_signal activate_signal;
 297         struct wl_signal lock_signal;
 298         struct wl_signal unlock_signal;
 299
 300         struct wl_signal show_input_panel_signal;
 301         struct wl_signal hide_input_panel_signal;
 302
 303         struct wl_event_loop *input_loop;
 304         struct wl_event_source *input_loop_source;
 305
 306         struct weston_layer fade_layer;
 307         struct weston_layer cursor_layer;
 308
 309         struct wl_list output_list;
 310         struct wl_list seat_list;
 311         struct wl_list layer_list;
 312         struct wl_list surface_list;
 313         struct wl_list key_binding_list;
 314         struct wl_list button_binding_list;
 315         struct wl_list axis_binding_list;
 316         struct {
 317                 struct weston_spring spring;
 318                 struct weston_animation animation;
 319                 struct weston_surface *surface;
 320         } fade;
 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         PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC
 340                 image_target_renderbuffer_storage;
 341         PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
 342         PFNEGLCREATEIMAGEKHRPROC create_image;
 343         PFNEGLDESTROYIMAGEKHRPROC destroy_image;
 344
 345         int has_unpack_subimage;
 346         GLenum read_format;
 347
 348         PFNEGLBINDWAYLANDDISPLAYWL bind_display;
 349         PFNEGLUNBINDWAYLANDDISPLAYWL unbind_display;
 350         PFNEGLQUERYWAYLANDBUFFERWL query_buffer;
 351         int has_bind_display;
 352
 353         void (*destroy)(struct weston_compositor *ec);
 354         void (*restore)(struct weston_compositor *ec);
 355         int (*authenticate)(struct weston_compositor *c, uint32_t id);
 356
 357         void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
 358
 359         int launcher_sock;
 360
 361         uint32_t output_id_pool;
 362
 363         struct xkb_rule_names xkb_names;
 364         struct xkb_context *xkb_context;
 365         struct weston_xkb_info xkb_info;
 366 };
 367
 368 struct weston_region {
 369         struct wl_resource resource;
 370         pixman_region32_t region;
 371 };
 372
 373 /* Using weston_surface transformations
 374  *
 375  * To add a transformation to a surface, create a struct weston_transform, and
 376  * add it to the list surface->geometry.transformation_list. Whenever you
 377  * change the list, anything under surface->geometry, or anything in the
 378  * weston_transforms linked into the list, you must set
 379  * surface->geometry.dirty = 1.
 380  *
 381  * The order in the list defines the order of transformations. Let the list
 382  * contain the transformation matrices M1, ..., Mn as head to tail. The
 383  * transformation is applied to surface-local coordinate vector p as
 384  *    P = Mn * ... * M2 * M1 * p
 385  * to produce the global coordinate vector P. The total transform
 386  *    Mn * ... * M2 * M1
 387  * is cached in surface->transform.matrix, and the inverse of it in
 388  * surface->transform.inverse.
 389  *
 390  * The list always contains surface->transform.position transformation, which
 391  * is the translation by surface->geometry.x and y.
 392  *
 393  * If you want to apply a transformation in local coordinates, add your
 394  * weston_transform to the head of the list. If you want to apply a
 395  * transformation in global coordinates, add it to the tail of the list.
 396  */
 397
 398 struct weston_surface {
 399         struct wl_surface surface;
 400         struct weston_compositor *compositor;
 401         GLuint textures[3];
 402         int num_textures;
 403         pixman_region32_t clip;
 404         pixman_region32_t damage;
 405         pixman_region32_t opaque;
 406         pixman_region32_t input;
 407         int32_t pitch;
 408         struct wl_list link;
 409         struct wl_list layer_link;
 410         struct weston_shader *shader;
 411         GLfloat color[4];
 412         GLfloat alpha;
 413         struct weston_plane *plane;
 414
 415         /* Surface geometry state, mutable.
 416          * If you change anything, set dirty = 1.
 417          * That includes the transformations referenced from the list.
 418          */
 419         struct {
 420                 GLfloat x, y; /* surface translation on display */
 421                 int32_t width, height;
 422
 423                 /* struct weston_transform */
 424                 struct wl_list transformation_list;
 425
 426                 int dirty;
 427         } geometry;
 428
 429         /* State derived from geometry state, read-only.
 430          * This is updated by weston_surface_update_transform().
 431          */
 432         struct {
 433                 pixman_region32_t boundingbox;
 434                 pixman_region32_t opaque;
 435
 436                 /* matrix and inverse are used only if enabled = 1.
 437                  * If enabled = 0, use x, y, width, height directly.
 438                  */
 439                 int enabled;
 440                 struct weston_matrix matrix;
 441                 struct weston_matrix inverse;
 442
 443                 struct weston_transform position; /* matrix from x, y */
 444         } transform;
 445
 446         /*
 447          * Which output to vsync this surface to.
 448          * Used to determine, whether to send or queue frame events.
 449          * Must be NULL, if 'link' is not in weston_compositor::surface_list.
 450          */
 451         struct weston_output *output;
 452
 453         /*
 454          * A more complete representation of all outputs this surface is
 455          * displayed on.
 456          */
 457         uint32_t output_mask;
 458
 459         struct wl_list frame_callback_list;
 460
 461         EGLImageKHR images[3];
 462         GLenum target;
 463         int num_images;
 464
 465         struct wl_buffer *buffer;
 466         struct wl_listener buffer_destroy_listener;
 467
 468         /*
 469          * If non-NULL, this function will be called on surface::attach after
 470          * a new buffer has been set up for this surface. The integer params
 471          * are the sx and sy paramerters supplied to surface::attach .
 472          */
 473         void (*configure)(struct weston_surface *es, int32_t sx, int32_t sy);
 474         void *private;
 475 };
 476
 477 enum weston_key_state_update {
 478         STATE_UPDATE_AUTOMATIC,
 479         STATE_UPDATE_NONE,
 480 };
 481
 482 void
 483 weston_surface_update_transform(struct weston_surface *surface);
 484
 485 void
 486 weston_surface_to_global_fixed(struct weston_surface *surface,
 487                                wl_fixed_t sx, wl_fixed_t sy,
 488                                wl_fixed_t *x, wl_fixed_t *y);
 489 void
 490 weston_surface_to_global_float(struct weston_surface *surface,
 491                                GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y);
 492
 493 void
 494 weston_surface_from_global_float(struct weston_surface *surface,
 495                                  GLfloat x, GLfloat y, GLfloat *sx, GLfloat *sy);
 496 void
 497 weston_surface_from_global(struct weston_surface *surface,
 498                            int32_t x, int32_t y, int32_t *sx, int32_t *sy);
 499 void
 500 weston_surface_from_global_fixed(struct weston_surface *surface,
 501                                  wl_fixed_t x, wl_fixed_t y,
 502                                  wl_fixed_t *sx, wl_fixed_t *sy);
 503
 504 void
 505 weston_spring_init(struct weston_spring *spring,
 506                    double k, double current, double target);
 507 void
 508 weston_spring_update(struct weston_spring *spring, uint32_t msec);
 509 int
 510 weston_spring_done(struct weston_spring *spring);
 511
 512 void
 513 weston_surface_activate(struct weston_surface *surface,
 514                         struct weston_seat *seat);
 515 void
 516 notify_motion(struct weston_seat *seat, uint32_t time,
 517               wl_fixed_t x, wl_fixed_t y);
 518 void
 519 notify_button(struct weston_seat *seat, uint32_t time, int32_t button,
 520               enum wl_pointer_button_state state);
 521 void
 522 notify_axis(struct weston_seat *seat, uint32_t time, uint32_t axis,
 523             wl_fixed_t value);
 524 void
 525 notify_key(struct weston_seat *seat, uint32_t time, uint32_t key,
 526            enum wl_keyboard_key_state state,
 527            enum weston_key_state_update update_state);
 528 void
 529 notify_modifiers(struct weston_seat *seat, uint32_t serial);
 530
 531 void
 532 notify_pointer_focus(struct weston_seat *seat, struct weston_output *output,
 533                      wl_fixed_t x, wl_fixed_t y);
 534
 535 void
 536 notify_keyboard_focus_in(struct weston_seat *seat, struct wl_array *keys,
 537                          enum weston_key_state_update update_state);
 538 void
 539 notify_keyboard_focus_out(struct weston_seat *seat);
 540
 541 void
 542 notify_touch(struct weston_seat *seat, uint32_t time, int touch_id,
 543              wl_fixed_t x, wl_fixed_t y, int touch_type);
 544
 545 void
 546 weston_layer_init(struct weston_layer *layer, struct wl_list *below);
 547
 548 void
 549 weston_plane_init(struct weston_plane *plane, int32_t x, int32_t y);
 550 void
 551 weston_plane_release(struct weston_plane *plane);
 552
 553 void
 554 weston_output_finish_frame(struct weston_output *output, uint32_t msecs);
 555 void
 556 weston_output_schedule_repaint(struct weston_output *output);
 557 void
 558 weston_output_damage(struct weston_output *output);
 559 void
 560 weston_compositor_schedule_repaint(struct weston_compositor *compositor);
 561 void
 562 weston_compositor_fade(struct weston_compositor *compositor, float tint);
 563 void
 564 weston_compositor_damage_all(struct weston_compositor *compositor);
 565 void
 566 weston_compositor_unlock(struct weston_compositor *compositor);
 567 void
 568 weston_compositor_wake(struct weston_compositor *compositor);
 569 void
 570 weston_compositor_activity(struct weston_compositor *compositor);
 571 void
 572 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor);
 573
 574
 575 struct weston_binding;
 576 typedef void (*weston_key_binding_handler_t)(struct wl_seat *seat,
 577                                              uint32_t time, uint32_t key,
 578                                              void *data);
 579 struct weston_binding *
 580 weston_compositor_add_key_binding(struct weston_compositor *compositor,
 581                                   uint32_t key,
 582                                   enum weston_keyboard_modifier modifier,
 583                                   weston_key_binding_handler_t binding,
 584                                   void *data);
 585
 586 typedef void (*weston_button_binding_handler_t)(struct wl_seat *seat,
 587                                                 uint32_t time, uint32_t button,
 588                                                 void *data);
 589 struct weston_binding *
 590 weston_compositor_add_button_binding(struct weston_compositor *compositor,
 591                                      uint32_t button,
 592                                      enum weston_keyboard_modifier modifier,
 593                                      weston_button_binding_handler_t binding,
 594                                      void *data);
 595
 596 typedef void (*weston_axis_binding_handler_t)(struct wl_seat *seat,
 597                                               uint32_t time, uint32_t axis,
 598                                               wl_fixed_t value, void *data);
 599 struct weston_binding *
 600 weston_compositor_add_axis_binding(struct weston_compositor *compositor,
 601                                    uint32_t axis,
 602                                    enum weston_keyboard_modifier modifier,
 603                                    weston_axis_binding_handler_t binding,
 604                                    void *data);
 605 void
 606 weston_binding_destroy(struct weston_binding *binding);
 607
 608 void
 609 weston_binding_list_destroy_all(struct wl_list *list);
 610
 611 void
 612 weston_compositor_run_key_binding(struct weston_compositor *compositor,
 613                                   struct weston_seat *seat, uint32_t time,
 614                                   uint32_t key,
 615                                   enum wl_keyboard_key_state state);
 616 void
 617 weston_compositor_run_button_binding(struct weston_compositor *compositor,
 618                                      struct weston_seat *seat, uint32_t time,
 619                                      uint32_t button,
 620                                      enum wl_pointer_button_state value);
 621 void
 622 weston_compositor_run_axis_binding(struct weston_compositor *compositor,
 623                                    struct weston_seat *seat, uint32_t time,
 624                                    uint32_t axis, int32_t value);
 625
 626 int
 627 weston_environment_get_fd(const char *env);
 628
 629 struct wl_list *
 630 weston_compositor_top(struct weston_compositor *compositor);
 631
 632 struct weston_surface *
 633 weston_surface_create(struct weston_compositor *compositor);
 634
 635 void
 636 weston_surface_configure(struct weston_surface *surface,
 637                          GLfloat x, GLfloat y, int width, int height);
 638
 639 void
 640 weston_surface_restack(struct weston_surface *surface, struct wl_list *below);
 641
 642 void
 643 weston_surface_set_position(struct weston_surface *surface,
 644                             GLfloat x, GLfloat y);
 645
 646 int
 647 weston_surface_is_mapped(struct weston_surface *surface);
 648
 649 void
 650 weston_surface_assign_output(struct weston_surface *surface);
 651
 652 void
 653 weston_surface_schedule_repaint(struct weston_surface *surface);
 654
 655 void
 656 weston_surface_damage(struct weston_surface *surface);
 657
 658 void
 659 weston_surface_damage_below(struct weston_surface *surface);
 660
 661 void
 662 weston_surface_move_to_plane(struct weston_surface *surface,
 663                              struct weston_plane *plane);
 664 void
 665 weston_surface_unmap(struct weston_surface *surface);
 666
 667 void
 668 weston_buffer_post_release(struct wl_buffer *buffer);
 669
 670 uint32_t
 671 weston_compositor_get_time(void);
 672
 673 int
 674 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
 675                        int argc, char *argv[], const char *config_file);
 676 void
 677 weston_compositor_shutdown(struct weston_compositor *ec);
 678 void
 679 weston_text_cursor_position_notify(struct weston_surface *surface,
 680                                                 wl_fixed_t x, wl_fixed_t y);
 681 void
 682 weston_output_init_zoom(struct weston_output *output);
 683 void
 684 weston_output_update_zoom(struct weston_output *output, uint32_t type);
 685 void
 686 weston_output_update_matrix(struct weston_output *output);
 687 void
 688 weston_output_move(struct weston_output *output, int x, int y);
 689 void
 690 weston_output_init(struct weston_output *output, struct weston_compositor *c,
 691                    int x, int y, int width, int height, uint32_t transform);
 692 void
 693 weston_output_destroy(struct weston_output *output);
 694
 695 void
 696 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
 697 void
 698 weston_seat_init_pointer(struct weston_seat *seat);
 699 void
 700 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
 701 void
 702 weston_seat_init_touch(struct weston_seat *seat);
 703
 704 void
 705 weston_seat_release(struct weston_seat *seat);
 706
 707 /* String literal of spaces, the same width as the timestamp. */
 708 #define STAMP_SPACE "               "
 709
 710 void
 711 weston_log_file_open(const char *filename);
 712 void
 713 weston_log_file_close(void);
 714 int
 715 weston_log(const char *fmt, ...)
 716         __attribute__ ((format (printf, 1, 2)));
 717 int
 718 weston_log_continue(const char *fmt, ...)
 719         __attribute__ ((format (printf, 1, 2)));
 720
 721 enum {
 722         TTY_ENTER_VT,
 723         TTY_LEAVE_VT
 724 };
 725
 726 typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
 727
 728 struct tty *
 729 tty_create(struct weston_compositor *compositor,
 730            tty_vt_func_t vt_func, int tty_nr);
 731
 732 void
 733 tty_destroy(struct tty *tty);
 734
 735 void
 736 tty_reset(struct tty *tty);
 737
 738 int
 739 tty_activate_vt(struct tty *tty, int vt);
 740
 741 void
 742 screenshooter_create(struct weston_compositor *ec);
 743
 744 struct clipboard *
 745 clipboard_create(struct weston_seat *seat);
 746
 747 void
 748 text_cursor_position_notifier_create(struct weston_compositor *ec);
 749
 750 void
 751 input_method_create(struct weston_compositor *ec,
 752                     struct weston_seat *seat);
 753
 754 struct weston_process;
 755 typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
 756                                             int status);
 757
 758 struct weston_process {
 759         pid_t pid;
 760         weston_process_cleanup_func_t cleanup;
 761         struct wl_list link;
 762 };
 763
 764 struct wl_client *
 765 weston_client_launch(struct weston_compositor *compositor,
 766                      struct weston_process *proc,
 767                      const char *path,
 768                      weston_process_cleanup_func_t cleanup);
 769
 770 void
 771 weston_watch_process(struct weston_process *process);
 772
 773 int
 774 weston_xserver_init(struct weston_compositor *compositor);
 775
 776 struct weston_surface_animation;
 777 typedef void (*weston_surface_animation_done_func_t)(struct weston_surface_animation *animation, void *data);
 778
 779 struct weston_surface_animation *
 780 weston_zoom_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
 781                 weston_surface_animation_done_func_t done, void *data);
 782
 783 struct weston_surface_animation *
 784 weston_fade_run(struct weston_surface *surface,
 785                 weston_surface_animation_done_func_t done, void *data);
 786 struct weston_surface_animation *
 787 weston_slide_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
 788                  weston_surface_animation_done_func_t done, void *data);
 789
 790 void
 791 weston_surface_set_color(struct weston_surface *surface,
 792                          GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
 793
 794 void
 795 weston_surface_destroy(struct weston_surface *surface);
 796
 797 struct weston_compositor *
 798 backend_init(struct wl_display *display, int argc, char *argv[],
 799              const char *config_file);
 800
 801 int
 802 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode);
 803
 804 int
 805 gles2_renderer_init(struct weston_compositor *ec);
 806 void
 807 gles2_renderer_destroy(struct weston_compositor *ec);
 808
 809 #endif