compositor: Move state tracking complexity into shell
[profile/ivi/weston-ivi-shell.git] / 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 lock_signal;
300         struct wl_signal unlock_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 remove_contents;
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);
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_post_release(struct wl_buffer *buffer);
702
703 void
704 weston_buffer_reference(struct weston_buffer_reference *ref,
705                         struct wl_buffer *buffer);
706
707 uint32_t
708 weston_compositor_get_time(void);
709
710 int
711 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
712                        int *argc, char *argv[], const char *config_file);
713 void
714 weston_compositor_shutdown(struct weston_compositor *ec);
715 void
716 weston_text_cursor_position_notify(struct weston_surface *surface,
717                                                 wl_fixed_t x, wl_fixed_t y);
718 void
719 weston_output_init_zoom(struct weston_output *output);
720 void
721 weston_output_update_zoom(struct weston_output *output, uint32_t type);
722 void
723 weston_output_update_matrix(struct weston_output *output);
724 void
725 weston_output_move(struct weston_output *output, int x, int y);
726 void
727 weston_output_init(struct weston_output *output, struct weston_compositor *c,
728                    int x, int y, int width, int height, uint32_t transform);
729 void
730 weston_output_destroy(struct weston_output *output);
731
732 void
733 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
734 void
735 weston_seat_init_pointer(struct weston_seat *seat);
736 int
737 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
738 void
739 weston_seat_init_touch(struct weston_seat *seat);
740
741 void
742 weston_seat_release(struct weston_seat *seat);
743
744 /* String literal of spaces, the same width as the timestamp. */
745 #define STAMP_SPACE "               "
746
747 void
748 weston_log_file_open(const char *filename);
749 void
750 weston_log_file_close(void);
751 int
752 weston_log(const char *fmt, ...)
753         __attribute__ ((format (printf, 1, 2)));
754 int
755 weston_log_continue(const char *fmt, ...)
756         __attribute__ ((format (printf, 1, 2)));
757
758 enum {
759         TTY_ENTER_VT,
760         TTY_LEAVE_VT
761 };
762
763 typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
764
765 struct tty *
766 tty_create(struct weston_compositor *compositor,
767            tty_vt_func_t vt_func, int tty_nr);
768
769 void
770 tty_destroy(struct tty *tty);
771
772 void
773 tty_reset(struct tty *tty);
774
775 int
776 tty_activate_vt(struct tty *tty, int vt);
777
778 void
779 screenshooter_create(struct weston_compositor *ec);
780
781 struct clipboard *
782 clipboard_create(struct weston_seat *seat);
783
784 void
785 text_cursor_position_notifier_create(struct weston_compositor *ec);
786
787 int
788 text_backend_init(struct weston_compositor *ec);
789
790 struct weston_process;
791 typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
792                                             int status);
793
794 struct weston_process {
795         pid_t pid;
796         weston_process_cleanup_func_t cleanup;
797         struct wl_list link;
798 };
799
800 struct wl_client *
801 weston_client_launch(struct weston_compositor *compositor,
802                      struct weston_process *proc,
803                      const char *path,
804                      weston_process_cleanup_func_t cleanup);
805
806 void
807 weston_watch_process(struct weston_process *process);
808
809 struct weston_surface_animation;
810 typedef void (*weston_surface_animation_done_func_t)(struct weston_surface_animation *animation, void *data);
811
812 struct weston_surface_animation *
813 weston_zoom_run(struct weston_surface *surface, float start, float stop,
814                 weston_surface_animation_done_func_t done, void *data);
815
816 struct weston_surface_animation *
817 weston_fade_run(struct weston_surface *surface,
818                 float start, float end, float k,
819                 weston_surface_animation_done_func_t done, void *data);
820 void
821 weston_fade_update(struct weston_surface_animation *fade,
822                    float start, float end, float k);
823
824 struct weston_surface_animation *
825 weston_slide_run(struct weston_surface *surface, float start, float stop,
826                  weston_surface_animation_done_func_t done, void *data);
827
828 void
829 weston_surface_set_color(struct weston_surface *surface,
830                          float red, float green, float blue, float alpha);
831
832 void
833 weston_surface_destroy(struct weston_surface *surface);
834
835 int
836 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode);
837
838 int
839 noop_renderer_init(struct weston_compositor *ec);
840
841 struct weston_compositor *
842 backend_init(struct wl_display *display, int *argc, char *argv[],
843              const char *config_file);
844
845 int
846 module_init(struct weston_compositor *compositor,
847             int *argc, char *argv[], const char *config_file);
848
849 void
850 weston_transformed_coord(int width, int height,
851                          enum wl_output_transform transform,
852                          float sx, float sy, float *bx, float *by);
853 pixman_box32_t
854 weston_transformed_rect(int width, int height,
855                         enum wl_output_transform transform,
856                         pixman_box32_t rect);
857
858 #endif