-
Notifications
You must be signed in to change notification settings - Fork 11
/
gtwindow.c
1383 lines (1159 loc) · 33.8 KB
/
gtwindow.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/* gtwindow.c: Window objects
for GlkTerm, curses.h implementation of the Glk API.
Designed by Andrew Plotkin <[email protected]>
http://www.eblong.com/zarf/glk/index.html
*/
#include "gtoption.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef OPT_USE_SIGNALS
#include <signal.h>
#endif /* OPT_USE_SIGNALS */
#include <curses.h>
#include "glk.h"
#include "glkterm.h"
#include "gtw_pair.h"
#include "gtw_blnk.h"
#include "gtw_grid.h"
#include "gtw_buf.h"
/* Linked list of all windows */
static window_t *gli_windowlist = NULL;
/* For use by gli_print_spaces() */
#define NUMSPACES (16)
static char spacebuffer[NUMSPACES+1];
window_t *gli_rootwin = NULL; /* The topmost window. */
window_t *gli_focuswin = NULL; /* The window selected by the player.
(This has nothing to do with the "current output stream", which is
gli_currentstr in gtstream.c. In fact, the program doesn't know
about gli_focuswin at all.) */
/* This is the screen region which is enclosed by the root window. */
grect_t content_box;
void (*gli_interrupt_handler)(void) = NULL;
static void compute_content_box(void);
#ifdef OPT_USE_SIGNALS
int just_resumed;
int just_killed;
static void gli_sig_resume(int val);
static void gli_sig_interrupt(int val);
#ifdef OPT_WINCHANGED_SIGNAL
int screen_size_changed;
static void gli_sig_winsize(int val);
#endif /* OPT_WINCHANGED_SIGNAL */
#endif /* OPT_USE_SIGNALS */
/* Set up the window system. This is called from main(). */
void gli_initialize_windows()
{
int ix;
gli_rootwin = NULL;
gli_focuswin = NULL;
/* Build a convenient array of spaces. */
for (ix=0; ix<NUMSPACES; ix++)
spacebuffer[ix] = ' ';
spacebuffer[NUMSPACES] = '\0';
/* Create the curses.h attribute values for each style. */
for (ix=0; ix<style_NUMSTYLES; ix++) {
chtype val = 0;
if (ix == style_Emphasized || ix == style_Note)
val |= A_UNDERLINE;
if (ix == style_Alert)
val |= A_REVERSE;
if (ix == style_Header || ix == style_Subheader || ix == style_Input)
val |= A_BOLD;
win_textbuffer_styleattrs[ix] = val;
if (pref_reverse_textgrids)
val ^= A_REVERSE;
win_textgrid_styleattrs[ix] = val;
}
/* Figure out the screen size. */
compute_content_box();
#ifdef OPT_USE_SIGNALS
just_resumed = FALSE;
just_killed = FALSE;
signal(SIGCONT, &gli_sig_resume);
signal(SIGHUP, &gli_sig_interrupt);
signal(SIGINT, &gli_sig_interrupt);
#ifdef OPT_WINCHANGED_SIGNAL
screen_size_changed = FALSE;
signal(SIGWINCH, &gli_sig_winsize);
#endif /* OPT_WINCHANGED_SIGNAL */
#endif /* OPT_USE_SIGNALS */
/* Draw the initial setup (no windows) */
gli_windows_redraw();
}
/* Set up all the curses parameters. This is called from main() --
before gli_initialize_windows, actually -- and also when curses
is reinitialized for a screen-size change. */
void gli_setup_curses()
{
initscr();
cbreak();
noecho();
nonl();
intrflush(stdscr, FALSE);
keypad(stdscr, TRUE);
scrollok(stdscr, FALSE);
}
#ifdef OPT_USE_SIGNALS
/* Signal handler for SIGCONT. */
static void gli_sig_resume(int val)
{
signal(SIGCONT, &gli_sig_resume);
just_resumed = TRUE;
}
/* Signal handler for SIGINT. */
static void gli_sig_interrupt(int val)
{
just_killed = TRUE;
}
#ifdef OPT_WINCHANGED_SIGNAL
/* Signal handler for SIGWINCH. */
static void gli_sig_winsize(int val)
{
endwin();
newterm(getenv("TERM"), stdout, stdin);
gli_setup_curses();
gli_set_halfdelay();
screen_size_changed = TRUE;
signal(SIGWINCH, &gli_sig_winsize);
}
#endif /* OPT_WINCHANGED_SIGNAL */
#endif /* OPT_USE_SIGNALS */
/* Get out fast. This is used by the ctrl-C interrupt handler, under Unix.
It doesn't pause and wait for a keypress, and it calls the Glk interrupt
handler. Otherwise it's the same as glk_exit(). */
void gli_fast_exit()
{
if (gli_interrupt_handler) {
(*gli_interrupt_handler)();
}
gli_streams_close_all();
endwin();
putchar('\n');
exit(0);
}
static void compute_content_box()
{
/* Set content_box to the entire screen, although one could also
leave a border for messages or decoration. This is the only
place where COLS and LINES are checked. All the rest of the
layout code uses content_box. */
int width, height;
if (pref_screenwidth)
width = pref_screenwidth;
else
width = COLS;
if (pref_screenheight)
height = pref_screenheight;
else
height = LINES;
content_box.left = 0;
content_box.top = 0;
content_box.right = width;
content_box.bottom = height;
if (pref_messageline && height > 0)
content_box.bottom--; /* allow a message line */
}
window_t *gli_new_window(glui32 type, glui32 rock)
{
window_t *win = (window_t *)malloc(sizeof(window_t));
if (!win)
return NULL;
win->magicnum = MAGIC_WINDOW_NUM;
win->rock = rock;
win->type = type;
win->parent = NULL; /* for now */
win->data = NULL; /* for now */
win->char_request = FALSE;
win->line_request = FALSE;
win->line_request_uni = FALSE;
win->char_request_uni = FALSE;
win->echo_line_input = TRUE;
win->terminate_line_input = 0;
win->style = style_Normal;
win->str = gli_stream_open_window(win);
win->echostr = NULL;
win->prev = NULL;
win->next = gli_windowlist;
gli_windowlist = win;
if (win->next) {
win->next->prev = win;
}
if (gli_register_obj)
win->disprock = (*gli_register_obj)(win, gidisp_Class_Window);
return win;
}
void gli_delete_window(window_t *win)
{
window_t *prev, *next;
if (gli_unregister_obj)
(*gli_unregister_obj)(win, gidisp_Class_Window, win->disprock);
win->magicnum = 0;
win->echostr = NULL;
if (win->str) {
gli_delete_stream(win->str);
win->str = NULL;
}
prev = win->prev;
next = win->next;
win->prev = NULL;
win->next = NULL;
if (prev)
prev->next = next;
else
gli_windowlist = next;
if (next)
next->prev = prev;
free(win);
}
winid_t glk_window_open(winid_t splitwin, glui32 method, glui32 size,
glui32 wintype, glui32 rock)
{
window_t *newwin, *pairwin, *oldparent;
window_pair_t *dpairwin;
grect_t box;
glui32 val;
if (!gli_rootwin) {
if (splitwin) {
gli_strict_warning("window_open: ref must be NULL");
return 0;
}
/* ignore method and size now */
oldparent = NULL;
box = content_box;
}
else {
if (!splitwin) {
gli_strict_warning("window_open: ref must not be NULL");
return 0;
}
val = (method & winmethod_DivisionMask);
if (val != winmethod_Fixed && val != winmethod_Proportional) {
gli_strict_warning("window_open: invalid method (not fixed or proportional)");
return 0;
}
val = (method & winmethod_DirMask);
if (val != winmethod_Above && val != winmethod_Below
&& val != winmethod_Left && val != winmethod_Right) {
gli_strict_warning("window_open: invalid method (bad direction)");
return 0;
}
box = splitwin->bbox;
oldparent = splitwin->parent;
if (oldparent && oldparent->type != wintype_Pair) {
gli_strict_warning("window_open: parent window is not Pair");
return 0;
}
}
newwin = gli_new_window(wintype, rock);
if (!newwin) {
gli_strict_warning("window_open: unable to create window");
return 0;
}
switch (wintype) {
case wintype_Blank:
newwin->data = win_blank_create(newwin);
break;
case wintype_TextGrid:
newwin->data = win_textgrid_create(newwin);
break;
case wintype_TextBuffer:
newwin->data = win_textbuffer_create(newwin);
break;
case wintype_Pair:
gli_strict_warning("window_open: cannot open pair window directly");
gli_delete_window(newwin);
return 0;
default:
/* Unknown window type -- do not print a warning, just return 0
to indicate that it's not possible. */
gli_delete_window(newwin);
return 0;
}
if (!newwin->data) {
gli_strict_warning("window_open: unable to create window");
return 0;
}
if (!splitwin) {
gli_rootwin = newwin;
gli_window_rearrange(newwin, &box);
/* redraw everything, which is just the new first window */
gli_windows_redraw();
}
else {
/* create pairwin, with newwin as the key */
pairwin = gli_new_window(wintype_Pair, 0);
dpairwin = win_pair_create(pairwin, method, newwin, size);
pairwin->data = dpairwin;
dpairwin->child1 = splitwin;
dpairwin->child2 = newwin;
splitwin->parent = pairwin;
newwin->parent = pairwin;
pairwin->parent = oldparent;
if (oldparent) {
window_pair_t *dparentwin = oldparent->data;
if (dparentwin->child1 == splitwin)
dparentwin->child1 = pairwin;
else
dparentwin->child2 = pairwin;
}
else {
gli_rootwin = pairwin;
}
gli_window_rearrange(pairwin, &box);
/* redraw the new pairwin and all its contents */
gli_window_redraw(pairwin);
}
return newwin;
}
static void gli_window_close(window_t *win, int recurse)
{
window_t *wx;
if (gli_focuswin == win) {
gli_focuswin = NULL;
}
for (wx=win->parent; wx; wx=wx->parent) {
if (wx->type == wintype_Pair) {
window_pair_t *dwx = wx->data;
if (dwx->key == win) {
dwx->key = NULL;
dwx->keydamage = TRUE;
}
}
}
switch (win->type) {
case wintype_Blank: {
window_blank_t *dwin = win->data;
win_blank_destroy(dwin);
}
break;
case wintype_Pair: {
window_pair_t *dwin = win->data;
if (recurse) {
if (dwin->child1)
gli_window_close(dwin->child1, TRUE);
if (dwin->child2)
gli_window_close(dwin->child2, TRUE);
}
win_pair_destroy(dwin);
}
break;
case wintype_TextBuffer: {
window_textbuffer_t *dwin = win->data;
win_textbuffer_destroy(dwin);
}
break;
case wintype_TextGrid: {
window_textgrid_t *dwin = win->data;
win_textgrid_destroy(dwin);
}
break;
}
gli_delete_window(win);
}
void glk_window_close(window_t *win, stream_result_t *result)
{
if (!win) {
gli_strict_warning("window_close: invalid ref");
return;
}
if (win == gli_rootwin || win->parent == NULL) {
/* close the root window, which means all windows. */
gli_rootwin = 0;
/* begin (simpler) closation */
gli_stream_fill_result(win->str, result);
gli_window_close(win, TRUE);
/* redraw everything */
gli_windows_redraw();
}
else {
/* have to jigger parent */
grect_t box;
window_t *pairwin, *sibwin, *grandparwin, *wx;
window_pair_t *dpairwin, *dgrandparwin, *dwx;
int keydamage_flag;
pairwin = win->parent;
dpairwin = pairwin->data;
if (win == dpairwin->child1) {
sibwin = dpairwin->child2;
}
else if (win == dpairwin->child2) {
sibwin = dpairwin->child1;
}
else {
gli_strict_warning("window_close: window tree is corrupted");
return;
}
box = pairwin->bbox;
grandparwin = pairwin->parent;
if (!grandparwin) {
gli_rootwin = sibwin;
sibwin->parent = NULL;
}
else {
dgrandparwin = grandparwin->data;
if (dgrandparwin->child1 == pairwin)
dgrandparwin->child1 = sibwin;
else
dgrandparwin->child2 = sibwin;
sibwin->parent = grandparwin;
}
/* Begin closation */
gli_stream_fill_result(win->str, result);
/* Close the child window (and descendants), so that key-deletion can
crawl up the tree to the root window. */
gli_window_close(win, TRUE);
/* This probably isn't necessary, but the child *is* gone, so just
in case. */
if (win == dpairwin->child1) {
dpairwin->child1 = NULL;
}
else if (win == dpairwin->child2) {
dpairwin->child2 = NULL;
}
/* Now we can delete the parent pair. */
gli_window_close(pairwin, FALSE);
keydamage_flag = FALSE;
for (wx=sibwin; wx; wx=wx->parent) {
if (wx->type == wintype_Pair) {
window_pair_t *dwx = wx->data;
if (dwx->keydamage) {
keydamage_flag = TRUE;
dwx->keydamage = FALSE;
}
}
}
if (keydamage_flag) {
box = content_box;
gli_window_rearrange(gli_rootwin, &box);
gli_windows_redraw();
}
else {
gli_window_rearrange(sibwin, &box);
gli_window_redraw(sibwin);
}
}
}
void glk_window_get_arrangement(window_t *win, glui32 *method, glui32 *size,
winid_t *keywin)
{
window_pair_t *dwin;
glui32 val;
if (!win) {
gli_strict_warning("window_get_arrangement: invalid ref");
return;
}
if (win->type != wintype_Pair) {
gli_strict_warning("window_get_arrangement: not a Pair window");
return;
}
dwin = win->data;
val = dwin->dir | dwin->division;
if (!dwin->hasborder)
val |= winmethod_NoBorder;
if (size)
*size = dwin->size;
if (keywin) {
if (dwin->key)
*keywin = dwin->key;
else
*keywin = NULL;
}
if (method)
*method = val;
}
void glk_window_set_arrangement(window_t *win, glui32 method, glui32 size,
winid_t key)
{
window_pair_t *dwin;
glui32 newdir;
grect_t box;
int newvertical, newbackward;
if (!win) {
gli_strict_warning("window_set_arrangement: invalid ref");
return;
}
if (win->type != wintype_Pair) {
gli_strict_warning("window_set_arrangement: not a Pair window");
return;
}
if (key) {
window_t *wx;
if (key->type == wintype_Pair) {
gli_strict_warning("window_set_arrangement: keywin cannot be a Pair");
return;
}
for (wx=key; wx; wx=wx->parent) {
if (wx == win)
break;
}
if (wx == NULL) {
gli_strict_warning("window_set_arrangement: keywin must be a descendant");
return;
}
}
dwin = win->data;
box = win->bbox;
newdir = method & winmethod_DirMask;
newvertical = (newdir == winmethod_Left || newdir == winmethod_Right);
newbackward = (newdir == winmethod_Left || newdir == winmethod_Above);
if (!key)
key = dwin->key;
if ((newvertical && !dwin->vertical) || (!newvertical && dwin->vertical)) {
if (!dwin->vertical)
gli_strict_warning("window_set_arrangement: split must stay horizontal");
else
gli_strict_warning("window_set_arrangement: split must stay vertical");
return;
}
if (key && key->type == wintype_Blank
&& (method & winmethod_DivisionMask) == winmethod_Fixed) {
gli_strict_warning("window_set_arrangement: a Blank window cannot have a fixed size");
return;
}
if ((newbackward && !dwin->backward) || (!newbackward && dwin->backward)) {
/* switch the children */
window_t *tmpwin = dwin->child1;
dwin->child1 = dwin->child2;
dwin->child2 = tmpwin;
}
/* set up everything else */
dwin->dir = newdir;
dwin->division = method & winmethod_DivisionMask;
dwin->key = key;
dwin->size = size;
dwin->hasborder = ((method & winmethod_BorderMask) == winmethod_Border);
dwin->vertical = (dwin->dir == winmethod_Left || dwin->dir == winmethod_Right);
dwin->backward = (dwin->dir == winmethod_Left || dwin->dir == winmethod_Above);
gli_window_rearrange(win, &box);
gli_window_redraw(win);
}
winid_t glk_window_iterate(winid_t win, glui32 *rock)
{
if (!win) {
win = gli_windowlist;
}
else {
win = win->next;
}
if (win) {
if (rock)
*rock = win->rock;
return win;
}
if (rock)
*rock = 0;
return NULL;
}
window_t *gli_window_iterate_treeorder(window_t *win)
{
if (!win)
return gli_rootwin;
if (win->type == wintype_Pair) {
window_pair_t *dwin = win->data;
if (!dwin->backward)
return dwin->child1;
else
return dwin->child2;
}
else {
window_t *parwin;
window_pair_t *dwin;
while (win->parent) {
parwin = win->parent;
dwin = parwin->data;
if (!dwin->backward) {
if (win == dwin->child1)
return dwin->child2;
}
else {
if (win == dwin->child2)
return dwin->child1;
}
win = parwin;
}
return NULL;
}
}
glui32 glk_window_get_rock(window_t *win)
{
if (!win) {
gli_strict_warning("window_get_rock: invalid ref.");
return 0;
}
return win->rock;
}
winid_t glk_window_get_root()
{
if (!gli_rootwin)
return NULL;
return gli_rootwin;
}
winid_t glk_window_get_parent(window_t *win)
{
if (!win) {
gli_strict_warning("window_get_parent: invalid ref");
return 0;
}
if (win->parent)
return win->parent;
else
return 0;
}
winid_t glk_window_get_sibling(window_t *win)
{
window_pair_t *dparwin;
if (!win) {
gli_strict_warning("window_get_sibling: invalid ref");
return 0;
}
if (!win->parent)
return 0;
dparwin = win->parent->data;
if (dparwin->child1 == win)
return dparwin->child2;
else if (dparwin->child2 == win)
return dparwin->child1;
return 0;
}
glui32 glk_window_get_type(window_t *win)
{
if (!win) {
gli_strict_warning("window_get_parent: invalid ref");
return 0;
}
return win->type;
}
void glk_window_get_size(window_t *win, glui32 *width, glui32 *height)
{
glui32 wid = 0;
glui32 hgt = 0;
if (!win) {
gli_strict_warning("window_get_size: invalid ref");
return;
}
switch (win->type) {
case wintype_Blank:
case wintype_Pair:
/* always zero */
break;
case wintype_TextGrid:
case wintype_TextBuffer:
wid = win->bbox.right - win->bbox.left;
hgt = win->bbox.bottom - win->bbox.top;
break;
}
if (width)
*width = wid;
if (height)
*height = hgt;
}
strid_t glk_window_get_stream(window_t *win)
{
if (!win) {
gli_strict_warning("window_get_stream: invalid ref");
return NULL;
}
return win->str;
}
strid_t glk_window_get_echo_stream(window_t *win)
{
if (!win) {
gli_strict_warning("window_get_echo_stream: invalid ref");
return 0;
}
if (win->echostr)
return win->echostr;
else
return 0;
}
void glk_window_set_echo_stream(window_t *win, stream_t *str)
{
if (!win) {
gli_strict_warning("window_set_echo_stream: invalid window id");
return;
}
win->echostr = str;
}
void glk_set_window(window_t *win)
{
if (!win) {
gli_stream_set_current(NULL);
}
else {
gli_stream_set_current(win->str);
}
}
void gli_windows_unechostream(stream_t *str)
{
window_t *win;
for (win=gli_windowlist; win; win=win->next) {
if (win->echostr == str)
win->echostr = NULL;
}
}
/* Some trivial switch functions which make up for the fact that we're not
doing this in C++. */
void gli_window_rearrange(window_t *win, grect_t *box)
{
switch (win->type) {
case wintype_Blank:
win_blank_rearrange(win, box);
break;
case wintype_Pair:
win_pair_rearrange(win, box);
break;
case wintype_TextGrid:
win_textgrid_rearrange(win, box);
break;
case wintype_TextBuffer:
win_textbuffer_rearrange(win, box);
break;
}
}
void gli_windows_update()
{
window_t *win;
for (win=gli_windowlist; win; win=win->next) {
switch (win->type) {
case wintype_TextGrid:
win_textgrid_update(win);
break;
case wintype_TextBuffer:
win_textbuffer_update(win);
break;
}
}
}
void gli_window_redraw(window_t *win)
{
if (win->bbox.left >= win->bbox.right
|| win->bbox.top >= win->bbox.bottom)
return;
switch (win->type) {
case wintype_Blank:
win_blank_redraw(win);
break;
case wintype_Pair:
win_pair_redraw(win);
break;
case wintype_TextGrid:
win_textgrid_redraw(win);
break;
case wintype_TextBuffer:
win_textbuffer_redraw(win);
break;
}
}
void gli_windows_redraw()
{
int ix, jx;
if (gli_rootwin) {
/* We could draw a border around content_box, if we wanted. */
gli_window_redraw(gli_rootwin);
}
else {
/* There are no windows at all. */
clear();
ix = (content_box.left+content_box.right) / 2 - 7;
if (ix < 0)
ix = 0;
jx = (content_box.top+content_box.bottom) / 2;
move(jx, ix);
addstr("Please wait...");
}
}
void gli_windows_size_change()
{
compute_content_box();
if (gli_rootwin) {
gli_window_rearrange(gli_rootwin, &content_box);
}
gli_windows_redraw();
gli_msgline_redraw();
gli_event_store(evtype_Arrange, NULL, 0, 0);
}
void gli_windows_place_cursor()
{
if (gli_rootwin && gli_focuswin) {
int xpos, ypos;
xpos = 0;
ypos = 0;
switch (gli_focuswin->type) {
case wintype_TextGrid:
win_textgrid_place_cursor(gli_focuswin, &xpos, &ypos);
break;
case wintype_TextBuffer:
win_textbuffer_place_cursor(gli_focuswin, &xpos, &ypos);
break;
default:
break;
}
move(gli_focuswin->bbox.top + ypos, gli_focuswin->bbox.left + xpos);
}
else {
move(content_box.bottom-1, content_box.right-1);
}
}
void gli_windows_set_paging(int forcetoend)
{
window_t *win;
for (win=gli_windowlist; win; win=win->next) {
switch (win->type) {
case wintype_TextBuffer:
win_textbuffer_set_paging(win, forcetoend);
break;
}
}
}
void gli_windows_trim_buffers()
{
window_t *win;
for (win=gli_windowlist; win; win=win->next) {
switch (win->type) {
case wintype_TextBuffer:
win_textbuffer_trim_buffer(win);
break;
}
}
}
void glk_request_char_event(window_t *win)
{
if (!win) {
gli_strict_warning("request_char_event: invalid ref");
return;
}
if (win->char_request || win->line_request) {
gli_strict_warning("request_char_event: window already has keyboard request");
return;
}
switch (win->type) {
case wintype_TextBuffer:
case wintype_TextGrid:
win->char_request = TRUE;
win->char_request_uni = FALSE;
break;
default:
gli_strict_warning("request_char_event: window does not support keyboard input");
break;
}
}
void glk_request_line_event(window_t *win, char *buf, glui32 maxlen,
glui32 initlen)
{