compositor, shell: surface transform inheritance
[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 clip;
271         int32_t x, y;
272         struct wl_list link;
273 };
274
275 struct weston_renderer {
276         int (*read_pixels)(struct weston_output *output,
277                                pixman_format_code_t format, void *pixels,
278                                uint32_t x, uint32_t y,
279                                uint32_t width, uint32_t height);
280         void (*repaint_output)(struct weston_output *output,
281                                pixman_region32_t *output_damage);
282         void (*flush_damage)(struct weston_surface *surface);
283         void (*attach)(struct weston_surface *es, struct wl_buffer *buffer);
284         int (*create_surface)(struct weston_surface *surface);
285         void (*surface_set_color)(struct weston_surface *surface,
286                                float red, float green,
287                                float blue, float alpha);
288         void (*destroy_surface)(struct weston_surface *surface);
289         void (*destroy)(struct weston_compositor *ec);
290 };
291
292 struct weston_compositor {
293         struct wl_signal destroy_signal;
294
295         struct wl_display *wl_display;
296         struct weston_shell_interface shell_interface;
297
298         struct wl_signal activate_signal;
299         struct wl_signal kill_signal;
300         struct wl_signal idle_signal;
301         struct wl_signal wake_signal;
302
303         struct wl_signal show_input_panel_signal;
304         struct wl_signal hide_input_panel_signal;
305
306         struct wl_signal seat_created_signal;
307
308         struct wl_event_loop *input_loop;
309         struct wl_event_source *input_loop_source;
310
311         struct weston_layer fade_layer;
312         struct weston_layer cursor_layer;
313
314         struct wl_list output_list;
315         struct wl_list seat_list;
316         struct wl_list layer_list;
317         struct wl_list surface_list;
318         struct wl_list plane_list;
319         struct wl_list key_binding_list;
320         struct wl_list button_binding_list;
321         struct wl_list axis_binding_list;
322         struct wl_list debug_binding_list;
323
324         uint32_t state;
325         struct wl_event_source *idle_source;
326         uint32_t idle_inhibit;
327         int option_idle_time;           /* default timeout, s */
328         int idle_time;                  /* effective timeout, s */
329
330         /* Repaint state. */
331         struct wl_array vertices;
332         struct wl_array indices; /* only used in compositor-wayland */
333         struct wl_array vtxcnt;
334         struct weston_plane primary_plane;
335         int fan_debug;
336
337         uint32_t focus;
338
339         struct weston_renderer *renderer;
340
341         pixman_format_code_t read_format;
342
343         void (*destroy)(struct weston_compositor *ec);
344         void (*restore)(struct weston_compositor *ec);
345         int (*authenticate)(struct weston_compositor *c, uint32_t id);
346
347         void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
348
349         int launcher_sock;
350
351         uint32_t output_id_pool;
352
353         struct xkb_rule_names xkb_names;
354         struct xkb_context *xkb_context;
355         struct weston_xkb_info xkb_info;
356 };
357
358 struct weston_buffer_reference {
359         struct wl_buffer *buffer;
360         struct wl_listener destroy_listener;
361 };
362
363 struct weston_region {
364         struct wl_resource resource;
365         pixman_region32_t region;
366 };
367
368 /* Using weston_surface transformations
369  *
370  * To add a transformation to a surface, create a struct weston_transform, and
371  * add it to the list surface->geometry.transformation_list. Whenever you
372  * change the list, anything under surface->geometry, or anything in the
373  * weston_transforms linked into the list, you must call
374  * weston_surface_geometry_dirty().
375  *
376  * The order in the list defines the order of transformations. Let the list
377  * contain the transformation matrices M1, ..., Mn as head to tail. The
378  * transformation is applied to surface-local coordinate vector p as
379  *    P = Mn * ... * M2 * M1 * p
380  * to produce the global coordinate vector P. The total transform
381  *    Mn * ... * M2 * M1
382  * is cached in surface->transform.matrix, and the inverse of it in
383  * surface->transform.inverse.
384  *
385  * The list always contains surface->transform.position transformation, which
386  * is the translation by surface->geometry.x and y.
387  *
388  * If you want to apply a transformation in local coordinates, add your
389  * weston_transform to the head of the list. If you want to apply a
390  * transformation in global coordinates, add it to the tail of the list.
391  *
392  * If surface->geometry.parent is set, the total transformation of this
393  * surface will be the parent's total transformation and this transformation
394  * combined:
395  *    Mparent * Mn * ... * M2 * M1
396  */
397
398 struct weston_surface {
399         struct wl_surface surface;
400         struct weston_compositor *compositor;
401         pixman_region32_t clip;
402         pixman_region32_t damage;
403         pixman_region32_t opaque;        /* part of geometry, see below */
404         pixman_region32_t input;
405         struct wl_list link;
406         struct wl_list layer_link;
407         float alpha;                     /* part of geometry, see below */
408         struct weston_plane *plane;
409
410         void *renderer_state;
411
412         /* Surface geometry state, mutable.
413          * If you change anything, call weston_surface_geometry_dirty().
414          * That includes the transformations referenced from the list.
415          */
416         struct {
417                 float x, y; /* surface translation on display */
418                 int32_t width, height;
419
420                 /* struct weston_transform */
421                 struct wl_list transformation_list;
422
423                 /* managed by weston_surface_set_transform_parent() */
424                 struct weston_surface *parent;
425                 struct wl_listener parent_destroy_listener;
426                 struct wl_list child_list; /* geometry.parent_link */
427                 struct wl_list parent_link;
428         } geometry;
429
430         /* State derived from geometry state, read-only.
431          * This is updated by weston_surface_update_transform().
432          */
433         struct {
434                 int dirty;
435
436                 pixman_region32_t boundingbox;
437                 pixman_region32_t opaque;
438
439                 /* matrix and inverse are used only if enabled = 1.
440                  * If enabled = 0, use x, y, width, height directly.
441                  */
442                 int enabled;
443                 struct weston_matrix matrix;
444                 struct weston_matrix inverse;
445
446                 struct weston_transform position; /* matrix from x, y */
447         } transform;
448
449         /*
450          * Which output to vsync this surface to.
451          * Used to determine, whether to send or queue frame events.
452          * Must be NULL, if 'link' is not in weston_compositor::surface_list.
453          */
454         struct weston_output *output;
455
456         /*
457          * A more complete representation of all outputs this surface is
458          * displayed on.
459          */
460         uint32_t output_mask;
461
462         struct wl_list frame_callback_list;
463
464         struct weston_buffer_reference buffer_ref;
465         uint32_t buffer_transform;
466         int keep_buffer; /* bool for backends to prevent early release */
467
468         /* All the pending state, that wl_surface.commit will apply. */
469         struct {
470                 /* wl_surface.attach */
471                 int newly_attached;
472                 struct wl_buffer *buffer;
473                 struct wl_listener buffer_destroy_listener;
474                 int32_t sx;
475                 int32_t sy;
476
477                 /* wl_surface.damage */
478                 pixman_region32_t damage;
479
480                 /* wl_surface.set_opaque_region */
481                 pixman_region32_t opaque;
482
483                 /* wl_surface.set_input_region */
484                 pixman_region32_t input;
485
486                 /* wl_surface.frame */
487                 struct wl_list frame_callback_list;
488
489                 /* wl_surface.set_buffer_transform */
490                 uint32_t buffer_transform;
491         } pending;
492
493         /*
494          * If non-NULL, this function will be called on surface::attach after
495          * a new buffer has been set up for this surface. The integer params
496          * are the sx and sy paramerters supplied to surface::attach .
497          */
498         void (*configure)(struct weston_surface *es, int32_t sx, int32_t sy, int32_t width, int32_t height);
499         void *private;
500 };
501
502 enum weston_key_state_update {
503         STATE_UPDATE_AUTOMATIC,
504         STATE_UPDATE_NONE,
505 };
506
507 void
508 weston_version(int *major, int *minor, int *micro);
509
510 void
511 weston_surface_update_transform(struct weston_surface *surface);
512
513 void
514 weston_surface_geometry_dirty(struct weston_surface *surface);
515
516 void
517 weston_surface_to_global_fixed(struct weston_surface *surface,
518                                wl_fixed_t sx, wl_fixed_t sy,
519                                wl_fixed_t *x, wl_fixed_t *y);
520 void
521 weston_surface_to_global_float(struct weston_surface *surface,
522                                float sx, float sy, float *x, float *y);
523
524 void
525 weston_surface_from_global_float(struct weston_surface *surface,
526                                  float x, float y, float *sx, float *sy);
527 void
528 weston_surface_from_global(struct weston_surface *surface,
529                            int32_t x, int32_t y, int32_t *sx, int32_t *sy);
530 void
531 weston_surface_from_global_fixed(struct weston_surface *surface,
532                                  wl_fixed_t x, wl_fixed_t y,
533                                  wl_fixed_t *sx, wl_fixed_t *sy);
534 int32_t
535 weston_surface_buffer_width(struct weston_surface *surface);
536 int32_t
537 weston_surface_buffer_height(struct weston_surface *surface);
538
539 WL_EXPORT void
540 weston_surface_to_buffer_float(struct weston_surface *surface,
541                                float x, float y, float *bx, float *by);
542 pixman_box32_t
543 weston_surface_to_buffer_rect(struct weston_surface *surface,
544                               pixman_box32_t rect);
545
546 void
547 weston_spring_init(struct weston_spring *spring,
548                    double k, double current, double target);
549 void
550 weston_spring_update(struct weston_spring *spring, uint32_t msec);
551 int
552 weston_spring_done(struct weston_spring *spring);
553
554 void
555 weston_surface_activate(struct weston_surface *surface,
556                         struct weston_seat *seat);
557 void
558 notify_motion(struct weston_seat *seat, uint32_t time,
559               wl_fixed_t x, wl_fixed_t y);
560 void
561 notify_button(struct weston_seat *seat, uint32_t time, int32_t button,
562               enum wl_pointer_button_state state);
563 void
564 notify_axis(struct weston_seat *seat, uint32_t time, uint32_t axis,
565             wl_fixed_t value);
566 void
567 notify_key(struct weston_seat *seat, uint32_t time, uint32_t key,
568            enum wl_keyboard_key_state state,
569            enum weston_key_state_update update_state);
570 void
571 notify_modifiers(struct weston_seat *seat, uint32_t serial);
572
573 void
574 notify_pointer_focus(struct weston_seat *seat, struct weston_output *output,
575                      wl_fixed_t x, wl_fixed_t y);
576
577 void
578 notify_keyboard_focus_in(struct weston_seat *seat, struct wl_array *keys,
579                          enum weston_key_state_update update_state);
580 void
581 notify_keyboard_focus_out(struct weston_seat *seat);
582
583 void
584 notify_touch(struct weston_seat *seat, uint32_t time, int touch_id,
585              wl_fixed_t x, wl_fixed_t y, int touch_type);
586
587 void
588 weston_layer_init(struct weston_layer *layer, struct wl_list *below);
589
590 void
591 weston_plane_init(struct weston_plane *plane, int32_t x, int32_t y);
592 void
593 weston_plane_release(struct weston_plane *plane);
594
595 void
596 weston_compositor_stack_plane(struct weston_compositor *ec,
597                               struct weston_plane *plane,
598                               struct weston_plane *above);
599
600 void
601 weston_output_finish_frame(struct weston_output *output, uint32_t msecs);
602 void
603 weston_output_schedule_repaint(struct weston_output *output);
604 void
605 weston_output_damage(struct weston_output *output);
606 void
607 weston_compositor_schedule_repaint(struct weston_compositor *compositor);
608 void
609 weston_compositor_fade(struct weston_compositor *compositor, float tint);
610 void
611 weston_compositor_damage_all(struct weston_compositor *compositor);
612 void
613 weston_compositor_unlock(struct weston_compositor *compositor);
614 void
615 weston_compositor_wake(struct weston_compositor *compositor);
616 void
617 weston_compositor_sleep(struct weston_compositor *compositor);
618 void
619 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor);
620
621
622 struct weston_binding;
623 typedef void (*weston_key_binding_handler_t)(struct wl_seat *seat,
624                                              uint32_t time, uint32_t key,
625                                              void *data);
626 struct weston_binding *
627 weston_compositor_add_key_binding(struct weston_compositor *compositor,
628                                   uint32_t key,
629                                   enum weston_keyboard_modifier modifier,
630                                   weston_key_binding_handler_t binding,
631                                   void *data);
632
633 typedef void (*weston_button_binding_handler_t)(struct wl_seat *seat,
634                                                 uint32_t time, uint32_t button,
635                                                 void *data);
636 struct weston_binding *
637 weston_compositor_add_button_binding(struct weston_compositor *compositor,
638                                      uint32_t button,
639                                      enum weston_keyboard_modifier modifier,
640                                      weston_button_binding_handler_t binding,
641                                      void *data);
642
643 typedef void (*weston_axis_binding_handler_t)(struct wl_seat *seat,
644                                               uint32_t time, uint32_t axis,
645                                               wl_fixed_t value, void *data);
646 struct weston_binding *
647 weston_compositor_add_axis_binding(struct weston_compositor *compositor,
648                                    uint32_t axis,
649                                    enum weston_keyboard_modifier modifier,
650                                    weston_axis_binding_handler_t binding,
651                                    void *data);
652 struct weston_binding *
653 weston_compositor_add_debug_binding(struct weston_compositor *compositor,
654                                     uint32_t key,
655                                     weston_key_binding_handler_t binding,
656                                     void *data);
657 void
658 weston_binding_destroy(struct weston_binding *binding);
659
660 void
661 weston_binding_list_destroy_all(struct wl_list *list);
662
663 void
664 weston_compositor_run_key_binding(struct weston_compositor *compositor,
665                                   struct weston_seat *seat, uint32_t time,
666                                   uint32_t key,
667                                   enum wl_keyboard_key_state state);
668 void
669 weston_compositor_run_button_binding(struct weston_compositor *compositor,
670                                      struct weston_seat *seat, uint32_t time,
671                                      uint32_t button,
672                                      enum wl_pointer_button_state value);
673 int
674 weston_compositor_run_axis_binding(struct weston_compositor *compositor,
675                                    struct weston_seat *seat, uint32_t time,
676                                    uint32_t axis, int32_t value);
677 int
678 weston_compositor_run_debug_binding(struct weston_compositor *compositor,
679                                     struct weston_seat *seat, uint32_t time,
680                                     uint32_t key,
681                                     enum wl_keyboard_key_state state);
682
683 int
684 weston_environment_get_fd(const char *env);
685
686 struct wl_list *
687 weston_compositor_top(struct weston_compositor *compositor);
688
689 struct weston_surface *
690 weston_surface_create(struct weston_compositor *compositor);
691
692 void
693 weston_surface_configure(struct weston_surface *surface,
694                          float x, float y, int width, int height);
695
696 void
697 weston_surface_restack(struct weston_surface *surface, struct wl_list *below);
698
699 void
700 weston_surface_set_position(struct weston_surface *surface,
701                             float x, float y);
702
703 void
704 weston_surface_set_transform_parent(struct weston_surface *surface,
705                                     struct weston_surface *parent);
706
707 int
708 weston_surface_is_mapped(struct weston_surface *surface);
709
710 void
711 weston_surface_schedule_repaint(struct weston_surface *surface);
712
713 void
714 weston_surface_damage(struct weston_surface *surface);
715
716 void
717 weston_surface_damage_below(struct weston_surface *surface);
718
719 void
720 weston_surface_move_to_plane(struct weston_surface *surface,
721                              struct weston_plane *plane);
722 void
723 weston_surface_unmap(struct weston_surface *surface);
724
725 void
726 weston_buffer_reference(struct weston_buffer_reference *ref,
727                         struct wl_buffer *buffer);
728
729 uint32_t
730 weston_compositor_get_time(void);
731
732 int
733 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
734                        int *argc, char *argv[], const char *config_file);
735 void
736 weston_compositor_shutdown(struct weston_compositor *ec);
737 void
738 weston_text_cursor_position_notify(struct weston_surface *surface,
739                                                 wl_fixed_t x, wl_fixed_t y);
740 void
741 weston_output_init_zoom(struct weston_output *output);
742 void
743 weston_output_update_zoom(struct weston_output *output, uint32_t type);
744 void
745 weston_output_update_matrix(struct weston_output *output);
746 void
747 weston_output_move(struct weston_output *output, int x, int y);
748 void
749 weston_output_init(struct weston_output *output, struct weston_compositor *c,
750                    int x, int y, int width, int height, uint32_t transform);
751 void
752 weston_output_destroy(struct weston_output *output);
753
754 void
755 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
756 void
757 weston_seat_init_pointer(struct weston_seat *seat);
758 int
759 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
760 void
761 weston_seat_init_touch(struct weston_seat *seat);
762
763 void
764 weston_seat_release(struct weston_seat *seat);
765
766 /* String literal of spaces, the same width as the timestamp. */
767 #define STAMP_SPACE "               "
768
769 void
770 weston_log_file_open(const char *filename);
771 void
772 weston_log_file_close(void);
773 int
774 weston_log(const char *fmt, ...)
775         __attribute__ ((format (printf, 1, 2)));
776 int
777 weston_log_continue(const char *fmt, ...)
778         __attribute__ ((format (printf, 1, 2)));
779
780 enum {
781         TTY_ENTER_VT,
782         TTY_LEAVE_VT
783 };
784
785 typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
786
787 struct tty *
788 tty_create(struct weston_compositor *compositor,
789            tty_vt_func_t vt_func, int tty_nr);
790
791 void
792 tty_destroy(struct tty *tty);
793
794 void
795 tty_reset(struct tty *tty);
796
797 int
798 tty_activate_vt(struct tty *tty, int vt);
799
800 void
801 screenshooter_create(struct weston_compositor *ec);
802
803 struct clipboard *
804 clipboard_create(struct weston_seat *seat);
805
806 void
807 text_cursor_position_notifier_create(struct weston_compositor *ec);
808
809 int
810 text_backend_init(struct weston_compositor *ec);
811
812 struct weston_process;
813 typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
814                                             int status);
815
816 struct weston_process {
817         pid_t pid;
818         weston_process_cleanup_func_t cleanup;
819         struct wl_list link;
820 };
821
822 struct wl_client *
823 weston_client_launch(struct weston_compositor *compositor,
824                      struct weston_process *proc,
825                      const char *path,
826                      weston_process_cleanup_func_t cleanup);
827
828 void
829 weston_watch_process(struct weston_process *process);
830
831 struct weston_surface_animation;
832 typedef void (*weston_surface_animation_done_func_t)(struct weston_surface_animation *animation, void *data);
833
834 struct weston_surface_animation *
835 weston_zoom_run(struct weston_surface *surface, float start, float stop,
836                 weston_surface_animation_done_func_t done, void *data);
837
838 struct weston_surface_animation *
839 weston_fade_run(struct weston_surface *surface,
840                 float start, float end, float k,
841                 weston_surface_animation_done_func_t done, void *data);
842 void
843 weston_fade_update(struct weston_surface_animation *fade,
844                    float start, float end, float k);
845
846 struct weston_surface_animation *
847 weston_slide_run(struct weston_surface *surface, float start, float stop,
848                  weston_surface_animation_done_func_t done, void *data);
849
850 void
851 weston_surface_set_color(struct weston_surface *surface,
852                          float red, float green, float blue, float alpha);
853
854 void
855 weston_surface_destroy(struct weston_surface *surface);
856
857 int
858 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode);
859
860 int
861 noop_renderer_init(struct weston_compositor *ec);
862
863 struct weston_compositor *
864 backend_init(struct wl_display *display, int *argc, char *argv[],
865              const char *config_file);
866
867 int
868 module_init(struct weston_compositor *compositor,
869             int *argc, char *argv[], const char *config_file);
870
871 void
872 weston_transformed_coord(int width, int height,
873                          enum wl_output_transform transform,
874                          float sx, float sy, float *bx, float *by);
875 pixman_box32_t
876 weston_transformed_rect(int width, int height,
877                         enum wl_output_transform transform,
878                         pixman_box32_t rect);
879
880 #endif