source: mainline/uspace/lib/gui/window.c@ 338d0935

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 338d0935 was 338d0935, checked in by Jiri Svoboda <jiri@…>, 5 years ago

Closing windows
  • Property mode set to 100644
File size: 22.5 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_close_event(void *);
86static void window_focus_event(void *);
87static void window_kbd_event(void *, kbd_event_t *);
88static void window_pos_event(void *, pos_event_t *);
89static void window_unfocus_event(void *);
90
91static display_wnd_cb_t window_cb = {
92 .close_event = window_close_event,
93 .focus_event = window_focus_event,
94 .kbd_event = window_kbd_event,
95 .pos_event = window_pos_event,
96 .unfocus_event = window_unfocus_event
97};
98
99static void paint_internal(widget_t *widget)
100{
101 surface_t *surface = window_claim(widget->window);
102 if (!surface)
103 window_yield(widget->window);
104
105 source_t source;
106 source_init(&source);
107
108 drawctx_t drawctx;
109 drawctx_init(&drawctx, surface);
110 drawctx_set_source(&drawctx, &source);
111
112 /* Window border outer bevel */
113
114 draw_bevel(&drawctx, &source, widget->vpos, widget->hpos,
115 widget->width, widget->height, color_highlight, color_shadow);
116
117 /* Window border surface */
118
119 source_set_color(&source, color_surface);
120 drawctx_transfer(&drawctx, widget->hpos + 1, widget->vpos + 1,
121 widget->width - 2, 2);
122 drawctx_transfer(&drawctx, widget->hpos + 1, widget->vpos + 1,
123 2, widget->height - 2);
124 drawctx_transfer(&drawctx, widget->hpos + 1,
125 widget->vpos + widget->height - 3, widget->width - 2, 2);
126 drawctx_transfer(&drawctx, widget->hpos + widget->width - 3,
127 widget->vpos + 1, 2, widget->height - 4);
128
129 /* Window border inner bevel */
130
131 draw_bevel(&drawctx, &source, widget->hpos + 3, widget->vpos + 3,
132 widget->width - 6, widget->height - 6, color_shadow,
133 color_highlight);
134
135 /* Header bevel */
136
137 sysarg_t header_hpos = widget->hpos + border_thickness;
138 sysarg_t header_vpos = widget->vpos + border_thickness;
139 sysarg_t header_width = widget->width - 2 * border_thickness -
140 close_thickness;
141
142 draw_bevel(&drawctx, &source, header_hpos, header_vpos,
143 header_width, header_height, widget->window->is_focused ?
144 color_header_focus_highlight : color_header_unfocus_highlight,
145 widget->window->is_focused ?
146 color_header_focus_shadow : color_header_unfocus_shadow);
147
148 /* Header surface */
149
150 source_set_color(&source, widget->window->is_focused ?
151 color_header_focus_surface : color_header_unfocus_surface);
152 drawctx_transfer(&drawctx, header_hpos + 1, header_vpos + 1,
153 header_width - 2, header_height - 2);
154
155 /* Close button bevel */
156
157 sysarg_t close_hpos = widget->hpos + widget->width -
158 border_thickness - close_thickness;
159 sysarg_t close_vpos = widget->vpos + border_thickness;
160
161 draw_bevel(&drawctx, &source, close_hpos, close_vpos,
162 close_thickness, close_thickness, color_highlight, color_shadow);
163
164 /* Close button surface */
165
166 source_set_color(&source, color_surface);
167 drawctx_transfer(&drawctx, close_hpos + 1, close_vpos + 1,
168 close_thickness - 2, close_thickness - 2);
169
170 /* Close button icon */
171
172 draw_icon_cross(surface, close_hpos + 3, close_vpos + 3,
173 color_highlight, color_shadow);
174
175 /* Window caption */
176
177 font_t *font;
178 errno_t rc = embedded_font_create(&font, 16);
179 if (rc != EOK) {
180 window_yield(widget->window);
181 return;
182 }
183
184 drawctx_set_font(&drawctx, font);
185 source_set_color(&source, widget->window->is_focused ?
186 color_caption_focus : color_caption_unfocus);
187
188 sysarg_t cpt_width;
189 sysarg_t cpt_height;
190 font_get_box(font, widget->window->caption, &cpt_width, &cpt_height);
191
192 bool draw_title =
193 (widget->width >= 2 * border_thickness + 2 * bevel_thickness +
194 close_thickness + cpt_width);
195 if (draw_title) {
196 sysarg_t cpt_x = ((widget->width - cpt_width) / 2) + widget->hpos;
197 sysarg_t cpt_y = ((header_height - cpt_height) / 2) +
198 widget->vpos + border_thickness;
199
200 if (widget->window->caption)
201 drawctx_print(&drawctx, widget->window->caption, cpt_x, cpt_y);
202 }
203
204 font_release(font);
205 window_yield(widget->window);
206}
207
208static void root_destroy(widget_t *widget)
209{
210 widget_deinit(widget);
211}
212
213static void root_reconfigure(widget_t *widget)
214{
215 if (widget->window->is_decorated) {
216 list_foreach(widget->children, link, widget_t, child) {
217 child->rearrange(child,
218 widget->hpos + border_thickness,
219 widget->vpos + border_thickness + header_height,
220 widget->width - 2 * border_thickness,
221 widget->height - 2 * border_thickness - header_height);
222 }
223 } else {
224 list_foreach(widget->children, link, widget_t, child) {
225 child->rearrange(child, widget->hpos, widget->vpos,
226 widget->width, widget->height);
227 }
228 }
229}
230
231static void root_rearrange(widget_t *widget, sysarg_t hpos, sysarg_t vpos,
232 sysarg_t width, sysarg_t height)
233{
234 widget_modify(widget, hpos, vpos, width, height);
235 if (widget->window->is_decorated) {
236 paint_internal(widget);
237 list_foreach(widget->children, link, widget_t, child) {
238 child->rearrange(child,
239 hpos + border_thickness,
240 vpos + border_thickness + header_height,
241 width - 2 * border_thickness,
242 height - 2 * border_thickness - header_height);
243 }
244 } else {
245 list_foreach(widget->children, link, widget_t, child) {
246 child->rearrange(child, hpos, vpos, width, height);
247 }
248 }
249}
250
251static void root_repaint(widget_t *widget)
252{
253 if (widget->window->is_decorated) {
254 paint_internal(widget);
255 }
256 list_foreach(widget->children, link, widget_t, child) {
257 child->repaint(child);
258 }
259 if (widget->window->is_decorated) {
260 window_damage(widget->window);
261 }
262}
263
264static void root_handle_keyboard_event(widget_t *widget, kbd_event_t event)
265{
266 if (!list_empty(&widget->children)) {
267 widget_t *child = (widget_t *) list_first(&widget->children);
268 child->handle_keyboard_event(child, event);
269 }
270}
271
272static void root_handle_position_event(widget_t *widget, pos_event_t event)
273{
274 if (widget->window->is_decorated) {
275 sysarg_t width = widget->width;
276 sysarg_t height = widget->height;
277
278 bool btn_left = (event.btn_num == 1) && (event.type == POS_PRESS);
279 bool btn_right = (event.btn_num == 2) && (event.type == POS_PRESS);
280 bool allowed_button = btn_left || btn_right;
281
282 bool left = (event.hpos < border_thickness);
283 bool right = (event.hpos >= width - border_thickness);
284 bool top = (event.vpos < border_thickness);
285 bool bottom = (event.vpos >= height - border_thickness);
286 bool header = (event.hpos >= border_thickness) &&
287 (event.hpos < width - border_thickness) &&
288 (event.vpos >= border_thickness) &&
289 (event.vpos < border_thickness + header_height);
290 bool close = (header) &&
291 (event.hpos >= width - border_thickness - close_thickness);
292
293 if (top && left && allowed_button) {
294 window_grab_flags_t flags = GF_EMPTY;
295 flags |= GF_MOVE_X;
296 flags |= GF_MOVE_Y;
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 && left && allowed_button) {
301 window_grab_flags_t flags = GF_EMPTY;
302 flags |= GF_MOVE_X;
303 flags |= btn_left ? GF_RESIZE_X : GF_SCALE_X;
304 flags |= btn_left ? GF_RESIZE_Y : GF_SCALE_Y;
305 //win_grab(widget->window->osess, event.pos_id, flags);
306 } else if (bottom && right && allowed_button) {
307 window_grab_flags_t flags = GF_EMPTY;
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 && right && allowed_button) {
312 window_grab_flags_t flags = GF_EMPTY;
313 flags |= GF_MOVE_Y;
314 flags |= btn_left ? GF_RESIZE_X : GF_SCALE_X;
315 flags |= btn_left ? GF_RESIZE_Y : GF_SCALE_Y;
316 //win_grab(widget->window->osess, event.pos_id, flags);
317 } else if (top && allowed_button) {
318 window_grab_flags_t flags = GF_EMPTY;
319 flags |= GF_MOVE_Y;
320 flags |= btn_left ? GF_RESIZE_Y : GF_SCALE_Y;
321 //win_grab(widget->window->osess, event.pos_id, flags);
322 } else if (left && allowed_button) {
323 window_grab_flags_t flags = GF_EMPTY;
324 flags |= GF_MOVE_X;
325 flags |= btn_left ? GF_RESIZE_X : GF_SCALE_X;
326 //win_grab(widget->window->osess, event.pos_id, flags);
327 } else if (bottom && allowed_button) {
328 window_grab_flags_t flags = GF_EMPTY;
329 flags |= btn_left ? GF_RESIZE_Y : GF_SCALE_Y;
330 //win_grab(widget->window->osess, event.pos_id, flags);
331 } else if (right && allowed_button) {
332 window_grab_flags_t flags = GF_EMPTY;
333 flags |= btn_left ? GF_RESIZE_X : GF_SCALE_X;
334 //win_grab(widget->window->osess, event.pos_id, flags);
335 } else if (close && btn_left) {
336 window_close(widget->window);
337 } else if (header && btn_left) {
338 window_grab_flags_t flags = GF_EMPTY;
339 flags |= GF_MOVE_X;
340 flags |= GF_MOVE_Y;
341 //win_grab(widget->window->osess, event.pos_id, flags);
342 } else {
343 list_foreach(widget->children, link, widget_t, child) {
344 child->handle_position_event(child, event);
345 }
346 }
347 } else {
348 list_foreach(widget->children, link, widget_t, child) {
349 child->handle_position_event(child, event);
350 }
351 }
352}
353
354static void deliver_keyboard_event(window_t *win, kbd_event_t event)
355{
356 if (win->focus) {
357 win->focus->handle_keyboard_event(win->focus, event);
358 } else {
359 win->root.handle_keyboard_event(&win->root, event);
360 }
361}
362
363static void deliver_position_event(window_t *win, pos_event_t event)
364{
365 if (win->grab) {
366 win->grab->handle_position_event(win->grab, event);
367 } else {
368 win->root.handle_position_event(&win->root, event);
369 }
370}
371
372static void handle_signal_event(window_t *win, signal_event_t event)
373{
374 widget_t *widget = (widget_t *) event.object;
375 slot_t slot = (slot_t) event.slot;
376 void *data = (void *) event.argument;
377
378 slot(widget, data);
379
380 free(data);
381}
382
383static void handle_resize(window_t *win, sysarg_t offset_x, sysarg_t offset_y,
384 sysarg_t width, sysarg_t height, window_placement_flags_t placement_flags)
385{
386 gfx_bitmap_params_t params;
387 gfx_bitmap_alloc_t alloc;
388 gfx_bitmap_t *new_bitmap = NULL;
389 gfx_coord2_t offs;
390 gfx_rect_t nrect;
391 errno_t rc;
392
393 if (width < 2 * border_thickness + header_min_width) {
394 //win_damage(win->osess, 0, 0, 0, 0);
395 return;
396 }
397
398 if (height < 2 * border_thickness + header_height) {
399 //win_damage(win->osess, 0, 0, 0, 0);
400 return;
401 }
402
403 /* Allocate resources for new surface. */
404 surface_t *new_surface = surface_create(width, height, NULL,
405 SURFACE_FLAG_SHARED);
406 if (!new_surface)
407 return;
408
409 gfx_bitmap_params_init(&params);
410 params.rect.p0.x = 0;
411 params.rect.p0.y = 0;
412 params.rect.p1.x = width;
413 params.rect.p1.y = height;
414
415 alloc.pitch = width * sizeof(uint32_t);
416 alloc.off0 = 0;
417 alloc.pixels = surface_direct_access(new_surface);
418
419 rc = gfx_bitmap_create(win->gc, &params, &alloc, &new_bitmap);
420 if (rc != EOK) {
421 surface_destroy(new_surface);
422 return;
423 }
424
425 /* Switch new and old surface. */
426 fibril_mutex_lock(&win->guard);
427 surface_t *old_surface = win->surface;
428 gfx_bitmap_t *old_bitmap = win->bitmap;
429 win->surface = new_surface;
430 win->bitmap = new_bitmap;
431 fibril_mutex_unlock(&win->guard);
432
433 /*
434 * Let all widgets in the tree alter their position and size.
435 * Widgets might also paint themselves onto the new surface.
436 */
437 win->root.rearrange(&win->root, 0, 0, width, height);
438
439 fibril_mutex_lock(&win->guard);
440 surface_reset_damaged_region(win->surface);
441 fibril_mutex_unlock(&win->guard);
442
443 /* Resize the display window. */
444 offs.x = offset_x;
445 offs.y = offset_y;
446 nrect.p0.x = 0;
447 nrect.p0.y = 0;
448 nrect.p1.x = width;
449 nrect.p1.y = height;
450
451 rc = display_window_resize(win->dwindow, &offs, &nrect);
452 if (rc != EOK) {
453 /* Rollback to old surface. Reverse all changes. */
454
455 sysarg_t old_width = 0;
456 sysarg_t old_height = 0;
457 if (old_surface)
458 surface_get_resolution(old_surface, &old_width, &old_height);
459
460 fibril_mutex_lock(&win->guard);
461 new_surface = win->surface;
462 win->surface = old_surface;
463 win->bitmap = old_bitmap;
464 fibril_mutex_unlock(&win->guard);
465
466 win->root.rearrange(&win->root, 0, 0, old_width, old_height);
467
468 if (win->surface) {
469 fibril_mutex_lock(&win->guard);
470 surface_reset_damaged_region(win->surface);
471 fibril_mutex_unlock(&win->guard);
472 }
473
474 surface_destroy(new_surface);
475 } else {
476 if (old_bitmap != NULL)
477 gfx_bitmap_destroy(old_bitmap);
478 /* Deallocate old surface. */
479 if (old_surface)
480 surface_destroy(old_surface);
481
482 (void) gfx_bitmap_render(win->bitmap, NULL, NULL);
483 }
484}
485
486static void handle_refresh(window_t *win)
487{
488 win->root.repaint(&win->root);
489}
490
491static void handle_damage(window_t *win)
492{
493 sysarg_t x, y, width, height;
494 gfx_rect_t rect;
495 fibril_mutex_lock(&win->guard);
496 surface_get_damaged_region(win->surface, &x, &y, &width, &height);
497 surface_reset_damaged_region(win->surface);
498 fibril_mutex_unlock(&win->guard);
499
500 if (width > 0 && height > 0) {
501 /* Notify compositor. */
502 //win_damage(win->osess, x, y, width, height);
503
504 rect.p0.x = x;
505 rect.p0.y = y;
506 rect.p1.x = x + width;
507 rect.p1.y = y + height;
508
509 if (win->bitmap != NULL)
510 (void) gfx_bitmap_render(win->bitmap, &rect, NULL);
511 }
512}
513
514static void destroy_children(widget_t *widget)
515{
516 /* Recursively destroy widget tree in bottom-top order. */
517 while (!list_empty(&widget->children)) {
518 widget_t *child =
519 list_get_instance(list_first(&widget->children), widget_t, link);
520 destroy_children(child);
521 child->destroy(child);
522 }
523}
524
525static void handle_close(window_t *win)
526{
527 destroy_children(&win->root);
528 win->root.destroy(&win->root);
529 win->grab = NULL;
530 win->focus = NULL;
531
532 display_window_destroy(win->dwindow);
533 display_close(win->display);
534
535 while (!list_empty(&win->events.list)) {
536 window_event_t *event = (window_event_t *) list_first(&win->events.list);
537 list_remove(&event->link);
538 free(event);
539 }
540
541 if (win->surface) {
542 surface_destroy(win->surface);
543 }
544
545 free(win->caption);
546
547 free(win);
548}
549
550/* Window event loop. Runs in own dedicated fibril. */
551static errno_t event_loop(void *arg)
552{
553 bool is_main = false;
554 bool terminate = false;
555 window_t *win = (window_t *) arg;
556
557 while (true) {
558 window_event_t *event = (window_event_t *) prodcons_consume(&win->events);
559
560 switch (event->type) {
561 case ET_KEYBOARD_EVENT:
562 deliver_keyboard_event(win, event->data.kbd);
563 break;
564 case ET_POSITION_EVENT:
565 deliver_position_event(win, event->data.pos);
566 break;
567 case ET_SIGNAL_EVENT:
568 handle_signal_event(win, event->data.signal);
569 break;
570 case ET_WINDOW_RESIZE:
571 handle_resize(win, event->data.resize.offset_x,
572 event->data.resize.offset_y, event->data.resize.width,
573 event->data.resize.height, event->data.resize.placement_flags);
574 break;
575 case ET_WINDOW_FOCUS:
576 if (!win->is_focused) {
577 win->is_focused = true;
578 handle_refresh(win);
579 }
580 break;
581 case ET_WINDOW_UNFOCUS:
582 if (win->is_focused) {
583 win->is_focused = false;
584 handle_refresh(win);
585 }
586 break;
587 case ET_WINDOW_REFRESH:
588 handle_refresh(win);
589 break;
590 case ET_WINDOW_DAMAGE:
591 handle_damage(win);
592 break;
593 case ET_WINDOW_CLOSE:
594 is_main = win->is_main;
595 handle_close(win);
596 terminate = true;
597 break;
598 default:
599 break;
600 }
601
602 free(event);
603 if (terminate) {
604 break;
605 }
606 }
607
608 if (is_main) {
609 exit(0); /* Terminate whole task. */
610 }
611 return 0;
612}
613
614window_t *window_open(const char *winreg, const void *data,
615 window_flags_t flags, const char *caption)
616{
617 display_wnd_params_t wparams;
618
619 window_t *win = (window_t *) calloc(1, sizeof(window_t));
620 if (!win)
621 return NULL;
622
623 win->is_main = flags & WINDOW_MAIN;
624 win->is_decorated = flags & WINDOW_DECORATED;
625 win->is_focused = true;
626 prodcons_initialize(&win->events);
627 fibril_mutex_initialize(&win->guard);
628
629 widget_init(&win->root, NULL, data);
630 win->root.window = win;
631 win->root.destroy = root_destroy;
632 win->root.reconfigure = root_reconfigure;
633 win->root.rearrange = root_rearrange;
634 win->root.repaint = root_repaint;
635 win->root.handle_keyboard_event = root_handle_keyboard_event;
636 win->root.handle_position_event = root_handle_position_event;
637 win->grab = NULL;
638 win->focus = NULL;
639
640 /* Allocate resources for new surface. */
641 win->surface = surface_create(100, 100, NULL, SURFACE_FLAG_SHARED);
642 if (win->surface == NULL) {
643 free(win);
644 return NULL;
645 }
646
647 errno_t rc = display_open(winreg, &win->display);
648 if (rc != EOK) {
649 surface_destroy(win->surface);
650 free(win);
651 return NULL;
652 }
653
654 /* Window dimensions are not know at this time */
655 display_wnd_params_init(&wparams);
656 wparams.rect.p0.x = 0;
657 wparams.rect.p0.y = 0;
658 wparams.rect.p1.x = 100;
659 wparams.rect.p1.y = 100;
660
661 rc = display_window_create(win->display, &wparams, &window_cb,
662 (void *) win, &win->dwindow);
663 if (rc != EOK) {
664 display_close(win->display);
665 surface_destroy(win->surface);
666 free(win);
667 return NULL;
668 }
669
670 rc = display_window_get_gc(win->dwindow, &win->gc);
671 if (rc != EOK) {
672 display_window_destroy(win->dwindow);
673 display_close(win->display);
674 surface_destroy(win->surface);
675 free(win);
676 return NULL;
677 }
678
679 if (caption == NULL)
680 win->caption = NULL;
681 else
682 win->caption = str_dup(caption);
683
684 return win;
685}
686
687void window_resize(window_t *win, sysarg_t offset_x, sysarg_t offset_y,
688 sysarg_t width, sysarg_t height, window_placement_flags_t placement_flags)
689{
690 window_event_t *event = (window_event_t *) malloc(sizeof(window_event_t));
691 if (event) {
692 link_initialize(&event->link);
693 event->type = ET_WINDOW_RESIZE;
694 event->data.resize.offset_x = offset_x;
695 event->data.resize.offset_y = offset_y;
696 event->data.resize.width = width;
697 event->data.resize.height = height;
698 event->data.resize.placement_flags = placement_flags;
699 prodcons_produce(&win->events, &event->link);
700 }
701}
702
703errno_t window_set_caption(window_t *win, const char *caption)
704{
705 char *cap;
706
707 if (caption == NULL) {
708 win->caption = NULL;
709 } else {
710 cap = str_dup(caption);
711 if (cap == NULL)
712 return ENOMEM;
713 free(win->caption);
714 win->caption = cap;
715 }
716
717 win->is_focused = false;
718 handle_refresh(win);
719
720 return EOK;
721}
722
723void window_refresh(window_t *win)
724{
725 window_event_t *event = (window_event_t *) malloc(sizeof(window_event_t));
726 if (event) {
727 link_initialize(&event->link);
728 event->type = ET_WINDOW_REFRESH;
729 prodcons_produce(&win->events, &event->link);
730 }
731}
732
733void window_damage(window_t *win)
734{
735 window_event_t *event = (window_event_t *) malloc(sizeof(window_event_t));
736 if (event) {
737 link_initialize(&event->link);
738 event->type = ET_WINDOW_DAMAGE;
739 prodcons_produce(&win->events, &event->link);
740 }
741}
742
743widget_t *window_root(window_t *win)
744{
745 return &win->root;
746}
747
748void window_exec(window_t *win)
749{
750 fid_t ev_fid = fibril_create(event_loop, win);
751 if (!ev_fid) {
752 return;
753 }
754 fibril_add_ready(ev_fid);
755}
756
757surface_t *window_claim(window_t *win)
758{
759 fibril_mutex_lock(&win->guard);
760 return win->surface;
761}
762
763void window_yield(window_t *win)
764{
765 fibril_mutex_unlock(&win->guard);
766}
767
768void window_close(window_t *win)
769{
770 window_event_t *event;
771
772 event = (window_event_t *) calloc(1, sizeof(window_event_t));
773 if (event == NULL)
774 return;
775
776 link_initialize(&event->link);
777 event->type = ET_WINDOW_CLOSE;
778 prodcons_produce(&win->events, &event->link);
779}
780
781static void window_close_event(void *arg)
782{
783 window_t *win = (window_t *) arg;
784
785 window_close(win);
786}
787
788static void window_focus_event(void *arg)
789{
790 window_t *win = (window_t *) arg;
791 window_event_t *event;
792
793 event = (window_event_t *) calloc(1, sizeof(window_event_t));
794 if (event == NULL)
795 return;
796
797 link_initialize(&event->link);
798 event->type = ET_WINDOW_FOCUS;
799 prodcons_produce(&win->events, &event->link);
800}
801
802static void window_kbd_event(void *arg, kbd_event_t *kevent)
803{
804 window_t *win = (window_t *) arg;
805 window_event_t *event;
806
807 event = (window_event_t *) calloc(1, sizeof(window_event_t));
808 if (event == NULL)
809 return;
810
811 link_initialize(&event->link);
812 event->type = ET_KEYBOARD_EVENT;
813 event->data.kbd = *kevent;
814 prodcons_produce(&win->events, &event->link);
815}
816
817static void window_pos_event(void *arg, pos_event_t *pevent)
818{
819 window_t *win = (window_t *) arg;
820 window_event_t *event;
821
822 event = (window_event_t *) calloc(1, sizeof(window_event_t));
823 if (event == NULL)
824 return;
825
826 link_initialize(&event->link);
827 event->type = ET_POSITION_EVENT;
828 event->data.pos = *pevent;
829 prodcons_produce(&win->events, &event->link);
830}
831
832static void window_unfocus_event(void *arg)
833{
834 window_t *win = (window_t *) arg;
835 window_event_t *event;
836
837 event = (window_event_t *) calloc(1, sizeof(window_event_t));
838 if (event == NULL)
839 return;
840
841 link_initialize(&event->link);
842 event->type = ET_WINDOW_UNFOCUS;
843 prodcons_produce(&win->events, &event->link);
844}
845
846/** @}
847 */
Note: See TracBrowser for help on using the repository browser.