source: mainline/uspace/lib/gui/window.c@ b43edabe

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since b43edabe was b43edabe, checked in by Jiri Svoboda <jiri@…>, 5 years ago

Fix cstyle
  • Property mode set to 100644
File size: 21.6 KB
Line 
1/*
2 * Copyright (c) 2012 Petr Koupy
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup gui
30 * @{
31 */
32/**
33 * @file
34 */
35
36#include <stdbool.h>
37#include <errno.h>
38#include <stdio.h>
39#include <stdlib.h>
40
41#include <as.h>
42#include <stdlib.h>
43#include <str.h>
44
45#include <fibril.h>
46#include <task.h>
47#include <adt/prodcons.h>
48#include <adt/list.h>
49
50#include <loc.h>
51
52#include <io/pixel.h>
53#include <draw/source.h>
54#include <draw/font.h>
55#include <draw/drawctx.h>
56#include <draw/surface.h>
57#include <display.h>
58
59#include "common.h"
60#include "connection.h"
61#include "widget.h"
62#include "window.h"
63
64static sysarg_t border_thickness = 4;
65static sysarg_t bevel_thickness = 1;
66static sysarg_t header_height = 20;
67static sysarg_t header_min_width = 40;
68static sysarg_t close_thickness = 20;
69
70static pixel_t color_highlight = PIXEL(255, 255, 255, 255);
71static pixel_t color_shadow = PIXEL(255, 85, 85, 85);
72static pixel_t color_surface = PIXEL(255, 186, 186, 186);
73
74static pixel_t color_header_focus_highlight = PIXEL(255, 120, 145, 255);
75static pixel_t color_header_focus_shadow = PIXEL(255, 40, 48, 89);
76static pixel_t color_header_focus_surface = PIXEL(255, 88, 106, 196);
77
78static pixel_t color_header_unfocus_highlight = PIXEL(255, 16, 78, 126);
79static pixel_t color_header_unfocus_shadow = PIXEL(255, 5, 26, 42);
80static pixel_t color_header_unfocus_surface = PIXEL(255, 12, 57, 92);
81
82static pixel_t color_caption_focus = PIXEL(255, 255, 255, 255);
83static pixel_t color_caption_unfocus = PIXEL(255, 207, 207, 207);
84
85static void window_kbd_event(void *, kbd_event_t *);
86static void window_pos_event(void *, pos_event_t *);
87
88static display_wnd_cb_t window_cb = {
89 .kbd_event = window_kbd_event,
90 .pos_event = window_pos_event
91};
92
93static void paint_internal(widget_t *widget)
94{
95 surface_t *surface = window_claim(widget->window);
96 if (!surface)
97 window_yield(widget->window);
98
99 source_t source;
100 source_init(&source);
101
102 drawctx_t drawctx;
103 drawctx_init(&drawctx, surface);
104 drawctx_set_source(&drawctx, &source);
105
106 /* Window border outer bevel */
107
108 draw_bevel(&drawctx, &source, widget->vpos, widget->hpos,
109 widget->width, widget->height, color_highlight, color_shadow);
110
111 /* Window border surface */
112
113 source_set_color(&source, color_surface);
114 drawctx_transfer(&drawctx, widget->hpos + 1, widget->vpos + 1,
115 widget->width - 2, 2);
116 drawctx_transfer(&drawctx, widget->hpos + 1, widget->vpos + 1,
117 2, widget->height - 2);
118 drawctx_transfer(&drawctx, widget->hpos + 1,
119 widget->vpos + widget->height - 3, widget->width - 2, 2);
120 drawctx_transfer(&drawctx, widget->hpos + widget->width - 3,
121 widget->vpos + 1, 2, widget->height - 4);
122
123 /* Window border inner bevel */
124
125 draw_bevel(&drawctx, &source, widget->hpos + 3, widget->vpos + 3,
126 widget->width - 6, widget->height - 6, color_shadow,
127 color_highlight);
128
129 /* Header bevel */
130
131 sysarg_t header_hpos = widget->hpos + border_thickness;
132 sysarg_t header_vpos = widget->vpos + border_thickness;
133 sysarg_t header_width = widget->width - 2 * border_thickness -
134 close_thickness;
135
136 draw_bevel(&drawctx, &source, header_hpos, header_vpos,
137 header_width, header_height, widget->window->is_focused ?
138 color_header_focus_highlight : color_header_unfocus_highlight,
139 widget->window->is_focused ?
140 color_header_focus_shadow : color_header_unfocus_shadow);
141
142 /* Header surface */
143
144 source_set_color(&source, widget->window->is_focused ?
145 color_header_focus_surface : color_header_unfocus_surface);
146 drawctx_transfer(&drawctx, header_hpos + 1, header_vpos + 1,
147 header_width - 2, header_height - 2);
148
149 /* Close button bevel */
150
151 sysarg_t close_hpos = widget->hpos + widget->width -
152 border_thickness - close_thickness;
153 sysarg_t close_vpos = widget->vpos + border_thickness;
154
155 draw_bevel(&drawctx, &source, close_hpos, close_vpos,
156 close_thickness, close_thickness, color_highlight, color_shadow);
157
158 /* Close button surface */
159
160 source_set_color(&source, color_surface);
161 drawctx_transfer(&drawctx, close_hpos + 1, close_vpos + 1,
162 close_thickness - 2, close_thickness - 2);
163
164 /* Close button icon */
165
166 draw_icon_cross(surface, close_hpos + 3, close_vpos + 3,
167 color_highlight, color_shadow);
168
169 /* Window caption */
170
171 font_t *font;
172 errno_t rc = embedded_font_create(&font, 16);
173 if (rc != EOK) {
174 window_yield(widget->window);
175 return;
176 }
177
178 drawctx_set_font(&drawctx, font);
179 source_set_color(&source, widget->window->is_focused ?
180 color_caption_focus : color_caption_unfocus);
181
182 sysarg_t cpt_width;
183 sysarg_t cpt_height;
184 font_get_box(font, widget->window->caption, &cpt_width, &cpt_height);
185
186 bool draw_title =
187 (widget->width >= 2 * border_thickness + 2 * bevel_thickness +
188 close_thickness + cpt_width);
189 if (draw_title) {
190 sysarg_t cpt_x = ((widget->width - cpt_width) / 2) + widget->hpos;
191 sysarg_t cpt_y = ((header_height - cpt_height) / 2) +
192 widget->vpos + border_thickness;
193
194 if (widget->window->caption)
195 drawctx_print(&drawctx, widget->window->caption, cpt_x, cpt_y);
196 }
197
198 font_release(font);
199 window_yield(widget->window);
200}
201
202static void root_destroy(widget_t *widget)
203{
204 widget_deinit(widget);
205}
206
207static void root_reconfigure(widget_t *widget)
208{
209 if (widget->window->is_decorated) {
210 list_foreach(widget->children, link, widget_t, child) {
211 child->rearrange(child,
212 widget->hpos + border_thickness,
213 widget->vpos + border_thickness + header_height,
214 widget->width - 2 * border_thickness,
215 widget->height - 2 * border_thickness - header_height);
216 }
217 } else {
218 list_foreach(widget->children, link, widget_t, child) {
219 child->rearrange(child, widget->hpos, widget->vpos,
220 widget->width, widget->height);
221 }
222 }
223}
224
225static void root_rearrange(widget_t *widget, sysarg_t hpos, sysarg_t vpos,
226 sysarg_t width, sysarg_t height)
227{
228 widget_modify(widget, hpos, vpos, width, height);
229 if (widget->window->is_decorated) {
230 paint_internal(widget);
231 list_foreach(widget->children, link, widget_t, child) {
232 child->rearrange(child,
233 hpos + border_thickness,
234 vpos + border_thickness + header_height,
235 width - 2 * border_thickness,
236 height - 2 * border_thickness - header_height);
237 }
238 } else {
239 list_foreach(widget->children, link, widget_t, child) {
240 child->rearrange(child, hpos, vpos, width, height);
241 }
242 }
243}
244
245static void root_repaint(widget_t *widget)
246{
247 if (widget->window->is_decorated) {
248 paint_internal(widget);
249 }
250 list_foreach(widget->children, link, widget_t, child) {
251 child->repaint(child);
252 }
253 if (widget->window->is_decorated) {
254 window_damage(widget->window);
255 }
256}
257
258static void root_handle_keyboard_event(widget_t *widget, kbd_event_t event)
259{
260 if (!list_empty(&widget->children)) {
261 widget_t *child = (widget_t *) list_first(&widget->children);
262 child->handle_keyboard_event(child, event);
263 }
264}
265
266static void root_handle_position_event(widget_t *widget, pos_event_t event)
267{
268 if (widget->window->is_decorated) {
269 sysarg_t width = widget->width;
270 sysarg_t height = widget->height;
271
272 bool btn_left = (event.btn_num == 1) && (event.type == POS_PRESS);
273 bool btn_right = (event.btn_num == 2) && (event.type == POS_PRESS);
274 bool allowed_button = btn_left || btn_right;
275
276 bool left = (event.hpos < border_thickness);
277 bool right = (event.hpos >= width - border_thickness);
278 bool top = (event.vpos < border_thickness);
279 bool bottom = (event.vpos >= height - border_thickness);
280 bool header = (event.hpos >= border_thickness) &&
281 (event.hpos < width - border_thickness) &&
282 (event.vpos >= border_thickness) &&
283 (event.vpos < border_thickness + header_height);
284 bool close = (header) &&
285 (event.hpos >= width - border_thickness - close_thickness);
286
287 if (top && left && allowed_button) {
288 window_grab_flags_t flags = GF_EMPTY;
289 flags |= GF_MOVE_X;
290 flags |= GF_MOVE_Y;
291 flags |= btn_left ? GF_RESIZE_X : GF_SCALE_X;
292 flags |= btn_left ? GF_RESIZE_Y : GF_SCALE_Y;
293 //win_grab(widget->window->osess, event.pos_id, flags);
294 } else if (bottom && left && allowed_button) {
295 window_grab_flags_t flags = GF_EMPTY;
296 flags |= GF_MOVE_X;
297 flags |= btn_left ? GF_RESIZE_X : GF_SCALE_X;
298 flags |= btn_left ? GF_RESIZE_Y : GF_SCALE_Y;
299 //win_grab(widget->window->osess, event.pos_id, flags);
300 } else if (bottom && right && allowed_button) {
301 window_grab_flags_t flags = GF_EMPTY;
302 flags |= btn_left ? GF_RESIZE_X : GF_SCALE_X;
303 flags |= btn_left ? GF_RESIZE_Y : GF_SCALE_Y;
304 //win_grab(widget->window->osess, event.pos_id, flags);
305 } else if (top && right && allowed_button) {
306 window_grab_flags_t flags = GF_EMPTY;
307 flags |= GF_MOVE_Y;
308 flags |= btn_left ? GF_RESIZE_X : GF_SCALE_X;
309 flags |= btn_left ? GF_RESIZE_Y : GF_SCALE_Y;
310 //win_grab(widget->window->osess, event.pos_id, flags);
311 } else if (top && allowed_button) {
312 window_grab_flags_t flags = GF_EMPTY;
313 flags |= GF_MOVE_Y;
314 flags |= btn_left ? GF_RESIZE_Y : GF_SCALE_Y;
315 //win_grab(widget->window->osess, event.pos_id, flags);
316 } else if (left && allowed_button) {
317 window_grab_flags_t flags = GF_EMPTY;
318 flags |= GF_MOVE_X;
319 flags |= btn_left ? GF_RESIZE_X : GF_SCALE_X;
320 //win_grab(widget->window->osess, event.pos_id, flags);
321 } else if (bottom && allowed_button) {
322 window_grab_flags_t flags = GF_EMPTY;
323 flags |= btn_left ? GF_RESIZE_Y : GF_SCALE_Y;
324 //win_grab(widget->window->osess, event.pos_id, flags);
325 } else if (right && allowed_button) {
326 window_grab_flags_t flags = GF_EMPTY;
327 flags |= btn_left ? GF_RESIZE_X : GF_SCALE_X;
328 //win_grab(widget->window->osess, event.pos_id, flags);
329 } else if (close && btn_left) {
330 //win_close_request(widget->window->osess);
331 } else if (header && btn_left) {
332 window_grab_flags_t flags = GF_EMPTY;
333 flags |= GF_MOVE_X;
334 flags |= GF_MOVE_Y;
335 //win_grab(widget->window->osess, event.pos_id, flags);
336 } else {
337 list_foreach(widget->children, link, widget_t, child) {
338 child->handle_position_event(child, event);
339 }
340 }
341 } else {
342 list_foreach(widget->children, link, widget_t, child) {
343 child->handle_position_event(child, event);
344 }
345 }
346}
347
348static void deliver_keyboard_event(window_t *win, kbd_event_t event)
349{
350 if (win->focus) {
351 win->focus->handle_keyboard_event(win->focus, event);
352 } else {
353 win->root.handle_keyboard_event(&win->root, event);
354 }
355}
356
357static void deliver_position_event(window_t *win, pos_event_t event)
358{
359 if (win->grab) {
360 win->grab->handle_position_event(win->grab, event);
361 } else {
362 win->root.handle_position_event(&win->root, event);
363 }
364}
365
366static void handle_signal_event(window_t *win, signal_event_t event)
367{
368 widget_t *widget = (widget_t *) event.object;
369 slot_t slot = (slot_t) event.slot;
370 void *data = (void *) event.argument;
371
372 slot(widget, data);
373
374 free(data);
375}
376
377static void handle_resize(window_t *win, sysarg_t offset_x, sysarg_t offset_y,
378 sysarg_t width, sysarg_t height, window_placement_flags_t placement_flags)
379{
380 display_wnd_params_t wparams;
381 display_window_t *new_window = NULL;
382 gfx_bitmap_params_t params;
383 gfx_bitmap_alloc_t alloc;
384 gfx_bitmap_t *new_bitmap = NULL;
385 gfx_context_t *new_gc = NULL;
386 errno_t rc;
387
388 if (width < 2 * border_thickness + header_min_width) {
389 //win_damage(win->osess, 0, 0, 0, 0);
390 return;
391 }
392
393 if (height < 2 * border_thickness + header_height) {
394 //win_damage(win->osess, 0, 0, 0, 0);
395 return;
396 }
397
398 /* Allocate resources for new surface. */
399 surface_t *new_surface = surface_create(width, height, NULL,
400 SURFACE_FLAG_SHARED);
401 if (!new_surface)
402 return;
403
404 display_wnd_params_init(&wparams);
405 wparams.rect.p0.x = 0;
406 wparams.rect.p0.y = 0;
407 wparams.rect.p1.x = width;
408 wparams.rect.p1.y = height;
409
410 rc = display_window_create(win->display, &wparams, &window_cb,
411 (void *) win, &new_window);
412 if (rc != EOK) {
413 surface_destroy(new_surface);
414 return;
415 }
416
417 rc = display_window_get_gc(new_window, &new_gc);
418 if (rc != EOK) {
419 display_window_destroy(new_window);
420 surface_destroy(new_surface);
421 return;
422 }
423
424 params.rect.p0.x = 0;
425 params.rect.p0.y = 0;
426 params.rect.p1.x = width;
427 params.rect.p1.y = height;
428
429 alloc.pitch = width * sizeof(uint32_t);
430 alloc.off0 = 0;
431 alloc.pixels = surface_direct_access(new_surface);
432
433 rc = gfx_bitmap_create(new_gc, &params, &alloc, &new_bitmap);
434 if (rc != EOK) {
435 gfx_context_delete(new_gc);
436 display_window_destroy(new_window);
437 surface_destroy(new_surface);
438 return;
439 }
440
441 /* Switch new and old surface. */
442 fibril_mutex_lock(&win->guard);
443 surface_t *old_surface = win->surface;
444 gfx_bitmap_t *old_bitmap = win->bitmap;
445 display_window_t *old_window = win->dwindow;
446 gfx_context_t *old_gc = win->gc;
447 win->surface = new_surface;
448 win->bitmap = new_bitmap;
449 win->dwindow = new_window;
450 win->gc = new_gc;
451 fibril_mutex_unlock(&win->guard);
452
453 /*
454 * Let all widgets in the tree alter their position and size.
455 * Widgets might also paint themselves onto the new surface.
456 */
457 win->root.rearrange(&win->root, 0, 0, width, height);
458
459 fibril_mutex_lock(&win->guard);
460 surface_reset_damaged_region(win->surface);
461 fibril_mutex_unlock(&win->guard);
462
463 /* Inform compositor about new surface. */
464#if 0
465 errno_t rc = win_resize(win->osess, offset_x, offset_y, width, height,
466 placement_flags, surface_direct_access(new_surface));
467#endif
468 rc = EOK;
469
470 if (rc != EOK) {
471 /* Rollback to old surface. Reverse all changes. */
472
473 sysarg_t old_width = 0;
474 sysarg_t old_height = 0;
475 if (old_surface)
476 surface_get_resolution(old_surface, &old_width, &old_height);
477
478 fibril_mutex_lock(&win->guard);
479 new_surface = win->surface;
480 win->surface = old_surface;
481 win->bitmap = old_bitmap;
482 win->dwindow = old_window;
483 win->gc = old_gc;
484 fibril_mutex_unlock(&win->guard);
485
486 win->root.rearrange(&win->root, 0, 0, old_width, old_height);
487
488 if (win->surface) {
489 fibril_mutex_lock(&win->guard);
490 surface_reset_damaged_region(win->surface);
491 fibril_mutex_unlock(&win->guard);
492 }
493
494 surface_destroy(new_surface);
495 } else {
496 if (old_window != NULL)
497 display_window_destroy(old_window);
498 if (old_gc != NULL)
499 gfx_context_delete(old_gc);
500 if (old_bitmap != NULL)
501 gfx_bitmap_destroy(old_bitmap);
502 /* Deallocate old surface. */
503 if (old_surface)
504 surface_destroy(old_surface);
505
506 (void) gfx_bitmap_render(win->bitmap, NULL, NULL);
507 }
508}
509
510static void handle_refresh(window_t *win)
511{
512 win->root.repaint(&win->root);
513}
514
515static void handle_damage(window_t *win)
516{
517 sysarg_t x, y, width, height;
518 gfx_rect_t rect;
519 fibril_mutex_lock(&win->guard);
520 surface_get_damaged_region(win->surface, &x, &y, &width, &height);
521 surface_reset_damaged_region(win->surface);
522 fibril_mutex_unlock(&win->guard);
523
524 if (width > 0 && height > 0) {
525 /* Notify compositor. */
526 //win_damage(win->osess, x, y, width, height);
527
528 rect.p0.x = x;
529 rect.p0.y = y;
530 rect.p1.x = x + width;
531 rect.p1.y = y + height;
532
533 if (win->bitmap != NULL)
534 (void) gfx_bitmap_render(win->bitmap, &rect, NULL);
535 }
536}
537
538static void destroy_children(widget_t *widget)
539{
540 /* Recursively destroy widget tree in bottom-top order. */
541 while (!list_empty(&widget->children)) {
542 widget_t *child =
543 list_get_instance(list_first(&widget->children), widget_t, link);
544 destroy_children(child);
545 child->destroy(child);
546 }
547}
548
549static void handle_close(window_t *win)
550{
551 destroy_children(&win->root);
552 win->root.destroy(&win->root);
553 win->grab = NULL;
554 win->focus = NULL;
555
556 display_window_destroy(win->dwindow);
557 display_close(win->display);
558
559 while (!list_empty(&win->events.list)) {
560 window_event_t *event = (window_event_t *) list_first(&win->events.list);
561 list_remove(&event->link);
562 free(event);
563 }
564
565 if (win->surface) {
566 surface_destroy(win->surface);
567 }
568
569 free(win->caption);
570
571 free(win);
572}
573
574/* Window event loop. Runs in own dedicated fibril. */
575static errno_t event_loop(void *arg)
576{
577 bool is_main = false;
578 bool terminate = false;
579 window_t *win = (window_t *) arg;
580
581 while (true) {
582 window_event_t *event = (window_event_t *) prodcons_consume(&win->events);
583
584 switch (event->type) {
585 case ET_KEYBOARD_EVENT:
586 deliver_keyboard_event(win, event->data.kbd);
587 break;
588 case ET_POSITION_EVENT:
589 if (!win->is_focused) {
590 win->is_focused = true;
591 handle_refresh(win);
592 }
593 deliver_position_event(win, event->data.pos);
594 break;
595 case ET_SIGNAL_EVENT:
596 handle_signal_event(win, event->data.signal);
597 break;
598 case ET_WINDOW_RESIZE:
599 handle_resize(win, event->data.resize.offset_x,
600 event->data.resize.offset_y, event->data.resize.width,
601 event->data.resize.height, event->data.resize.placement_flags);
602 break;
603 case ET_WINDOW_FOCUS:
604 if (!win->is_focused) {
605 win->is_focused = true;
606 handle_refresh(win);
607 }
608 break;
609 case ET_WINDOW_UNFOCUS:
610 if (win->is_focused) {
611 win->is_focused = false;
612 handle_refresh(win);
613 }
614 break;
615 case ET_WINDOW_REFRESH:
616 handle_refresh(win);
617 break;
618 case ET_WINDOW_DAMAGE:
619 handle_damage(win);
620 break;
621 case ET_WINDOW_CLOSE:
622 is_main = win->is_main;
623 handle_close(win);
624 terminate = true;
625 break;
626 default:
627 break;
628 }
629
630 free(event);
631 if (terminate) {
632 break;
633 }
634 }
635
636 if (is_main) {
637 exit(0); /* Terminate whole task. */
638 }
639 return 0;
640}
641
642window_t *window_open(const char *winreg, const void *data,
643 window_flags_t flags, const char *caption)
644{
645 window_t *win = (window_t *) calloc(1, sizeof(window_t));
646 if (!win)
647 return NULL;
648
649 win->is_main = flags & WINDOW_MAIN;
650 win->is_decorated = flags & WINDOW_DECORATED;
651 win->is_focused = true;
652 prodcons_initialize(&win->events);
653 fibril_mutex_initialize(&win->guard);
654
655 widget_init(&win->root, NULL, data);
656 win->root.window = win;
657 win->root.destroy = root_destroy;
658 win->root.reconfigure = root_reconfigure;
659 win->root.rearrange = root_rearrange;
660 win->root.repaint = root_repaint;
661 win->root.handle_keyboard_event = root_handle_keyboard_event;
662 win->root.handle_position_event = root_handle_position_event;
663 win->grab = NULL;
664 win->focus = NULL;
665 win->surface = NULL;
666
667 errno_t rc = display_open(winreg, &win->display);
668 if (rc != EOK) {
669 free(win);
670 return NULL;
671 }
672
673 if (caption == NULL)
674 win->caption = NULL;
675 else
676 win->caption = str_dup(caption);
677
678 return win;
679}
680
681void window_resize(window_t *win, sysarg_t offset_x, sysarg_t offset_y,
682 sysarg_t width, sysarg_t height, window_placement_flags_t placement_flags)
683{
684 window_event_t *event = (window_event_t *) malloc(sizeof(window_event_t));
685 if (event) {
686 link_initialize(&event->link);
687 event->type = ET_WINDOW_RESIZE;
688 event->data.resize.offset_x = offset_x;
689 event->data.resize.offset_y = offset_y;
690 event->data.resize.width = width;
691 event->data.resize.height = height;
692 event->data.resize.placement_flags = placement_flags;
693 prodcons_produce(&win->events, &event->link);
694 }
695}
696
697errno_t window_set_caption(window_t *win, const char *caption)
698{
699 char *cap;
700
701 if (caption == NULL) {
702 win->caption = NULL;
703 } else {
704 cap = str_dup(caption);
705 if (cap == NULL)
706 return ENOMEM;
707 free(win->caption);
708 win->caption = cap;
709 }
710
711 win->is_focused = false;
712 handle_refresh(win);
713
714 return EOK;
715}
716
717void window_refresh(window_t *win)
718{
719 window_event_t *event = (window_event_t *) malloc(sizeof(window_event_t));
720 if (event) {
721 link_initialize(&event->link);
722 event->type = ET_WINDOW_REFRESH;
723 prodcons_produce(&win->events, &event->link);
724 }
725}
726
727void window_damage(window_t *win)
728{
729 window_event_t *event = (window_event_t *) malloc(sizeof(window_event_t));
730 if (event) {
731 link_initialize(&event->link);
732 event->type = ET_WINDOW_DAMAGE;
733 prodcons_produce(&win->events, &event->link);
734 }
735}
736
737widget_t *window_root(window_t *win)
738{
739 return &win->root;
740}
741
742void window_exec(window_t *win)
743{
744 fid_t ev_fid = fibril_create(event_loop, win);
745 if (!ev_fid) {
746 return;
747 }
748 fibril_add_ready(ev_fid);
749}
750
751surface_t *window_claim(window_t *win)
752{
753 fibril_mutex_lock(&win->guard);
754 return win->surface;
755}
756
757void window_yield(window_t *win)
758{
759 fibril_mutex_unlock(&win->guard);
760}
761
762void window_close(window_t *win)
763{
764 /* Request compositor to init closing cascade. */
765 //win_close_request(win->osess);
766}
767
768static void window_kbd_event(void *arg, kbd_event_t *kevent)
769{
770 window_t *win = (window_t *) arg;
771 window_event_t *event;
772
773 event = (window_event_t *) calloc(1, sizeof(window_event_t));
774 if (event == NULL)
775 return;
776
777 link_initialize(&event->link);
778 event->type = ET_KEYBOARD_EVENT;
779 event->data.kbd = *kevent;
780 prodcons_produce(&win->events, &event->link);
781}
782
783static void window_pos_event(void *arg, pos_event_t *pevent)
784{
785 window_t *win = (window_t *) arg;
786 window_event_t *event;
787
788 event = (window_event_t *) calloc(1, sizeof(window_event_t));
789 if (event == NULL)
790 return;
791
792 link_initialize(&event->link);
793 event->type = ET_POSITION_EVENT;
794 event->data.pos = *pevent;
795 prodcons_produce(&win->events, &event->link);
796}
797
798/** @}
799 */
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