-
Notifications
You must be signed in to change notification settings - Fork 86
/
st_menu.c
3189 lines (2640 loc) · 69.6 KB
/
st_menu.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
#include "st_menu.h"
#include <ctype.h>
#include "st_panel.h"
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#ifdef HAVE_LIBUNISTRING
/* libunistring */
#include <unicase.h>
#include <unistr.h>
#include <uniwidth.h>
#else
/* Alternative minimalistic own unicode support */
#include "unicode.h"
#endif
/*
* This window is main application window. It is used for taking content
* for shadow drawing.
*/
static WINDOW *desktop_win = NULL;
typedef struct
{
char *c;
int length;
int row;
} ST_MENU_ACCELERATOR;
struct ST_MENU
{
ST_MENU_ITEM *menu_items;
WINDOW *draw_area;
WINDOW *window;
PANEL *panel;
WINDOW *shadow_window;
PANEL *shadow_panel;
int first_row; /* first visible row */
int cursor_row;
int mouse_row; /* mouse row where button1 was pressed */
int *options; /* state options, initially copyied from menu */
int **refvals; /* referenced values */
ST_MENU_ACCELERATOR *accelerators;
int naccelerators;
ST_MENU_CONFIG *config;
int shortcut_x_pos;
int item_x_pos;
int nitems; /* number of menu items */
int *bar_fields_x_pos; /* array of x positions of menubar fields */
int ideal_y_pos; /* y pos when is enough space */
int ideal_x_pos; /* x pos when is enough space */
int rows; /* number of rows */
int cols; /* number of columns */
int focus; /* identify possible event filtering */
char *title;
bool is_menubar;
struct ST_MENU *active_submenu;
struct ST_MENU **submenus;
};
struct ST_CMDBAR
{
ST_CMDBAR_ITEM *cmdbar_items;
WINDOW *window;
PANEL *panel;
ST_MENU_CONFIG *config;
int nitems;
int *positions;
char **labels;
ST_CMDBAR_ITEM **ordered_items;
};
static struct ST_CMDBAR *active_cmdbar = NULL;
static ST_MENU_ITEM *selected_item = NULL;
static ST_CMDBAR_ITEM *selected_command = NULL;
static int selected_options = 0;
static int *selected_refval = NULL;
static bool press_accelerator = false;
static bool button1_clicked = false;
static bool press_enter = false;
static bool command_was_activated = false;
static inline int char_length(ST_MENU_CONFIG *config, const char *c);
static inline int char_width(ST_MENU_CONFIG *config, char *c);
static inline int str_width(ST_MENU_CONFIG *config, char *str);
static inline char *chr_casexfrm(ST_MENU_CONFIG *config, char *str);
static inline int wchar_to_utf8(ST_MENU_CONFIG *config, char *str, int n, wchar_t wch);
static bool _st_menu_driver(struct ST_MENU *menu, int c, bool alt, MEVENT *mevent, bool is_top, bool is_nested_pulldown, bool *unpost_submenu);
static void _st_menu_free(struct ST_MENU *menu);
static int menutext_displaywidth(ST_MENU_CONFIG *config, char *text, char **accelerator, bool *extern_accel);
static void pulldownmenu_content_size(ST_MENU_CONFIG *config, ST_MENU_ITEM *menu_items,
int *rows, int *columns, int *shortcut_x_pos, int *item_x_pos,
ST_MENU_ACCELERATOR *accelerators, int *naccelerators, int *first_row);
static void pulldownmenu_draw_shadow(struct ST_MENU *menu);
static void menubar_draw(struct ST_MENU *menu);
static void pulldownmenu_draw(struct ST_MENU *menu, bool is_top);
static void cmdbar_draw(struct ST_CMDBAR *cmdbar);
static bool cmdbar_driver(struct ST_CMDBAR *cmdbar, int c, bool alt, MEVENT *mevent);
static void subtract_correction(WINDOW *s, int *y, int *x);
/*
* Generic functions
*/
static inline int
max_int(int a, int b)
{
return a > b ? a : b;
}
static inline int
min_int(int a, int b)
{
return a < b ? a : b;
}
static void *
safe_malloc(size_t size)
{
void *ptr = malloc(size);
if (!ptr)
{
endwin();
printf("FATAL: Out of memory\n");
exit(1);
}
memset(ptr, 0, size);
return ptr;
}
static void
adjust_dimension(int size, int begin_pos, int min_pos, int max_size, int shadow_size,
int *adjusted_size, int *adjusted_begin_pos,
int *adjusted_shadow_size, int *adjusted_shadow_begin_pos)
{
int total_size = size + shadow_size;
int _max_size = max_size - min_pos;
if ((begin_pos + total_size) <= max_size)
{
/* data are inside range without any change */
*adjusted_size = size;
*adjusted_begin_pos = begin_pos;
*adjusted_shadow_size = size;
*adjusted_shadow_begin_pos = begin_pos + shadow_size;
}
else if (_max_size > total_size)
{
/* we can just move begin pos */
*adjusted_size = size;
*adjusted_begin_pos = max_size - total_size;
*adjusted_shadow_size = size;
*adjusted_shadow_begin_pos = *adjusted_begin_pos + shadow_size;
}
else
{
*adjusted_size = (_max_size >= size) ? size : _max_size;
*adjusted_begin_pos = min_pos;
*adjusted_shadow_size = *adjusted_size;
*adjusted_shadow_begin_pos = *adjusted_begin_pos;
}
}
/*
* We try to corect dimensions of windows, because pdcurses doesn't allow
* parts of window to be out of screen.
*/
static void
adjust_dimensions(int rows, int cols,
int begin_y, int begin_x, int min_y, int min_x,
int shadow_width,
int *adjusted_rows, int *adjusted_cols,
int *adjusted_begin_y, int *adjusted_begin_x,
int *adjusted_shadow_rows, int *adjusted_shadow_cols,
int *adjusted_shadow_begin_y, int *adjusted_shadow_begin_x)
{
int maxy, maxx;
getmaxyx(stdscr, maxy, maxx);
adjust_dimension(rows, begin_y, min_y, maxy, shadow_width > 0 ? 1 : 0,
adjusted_rows, adjusted_begin_y,
adjusted_shadow_rows, adjusted_shadow_begin_y);
adjust_dimension(cols, begin_x, min_x, maxx, shadow_width,
adjusted_cols, adjusted_begin_x,
adjusted_shadow_cols, adjusted_shadow_begin_x);
}
/*
* Returns bytes of multibyte char
*/
static inline int
char_length(ST_MENU_CONFIG *config, const char *c)
{
int result;
if (!config->force8bit)
{
/*
* I would not to check validity of UTF8 char. So I pass
* 4 as n (max possible size of UTF8 char in bytes). When
* in this case, u8_mblen should to return possitive number,
* but be sure, and return 1 everytime.
*
* This functionality can be enhanced to check real size
* of utf8 string.
*/
#ifdef HAVE_LIBUNISTRING
result = u8_mblen((const uint8_t *) c, 4);
#else
result = utf8charlen(*((char *) c));
#endif
if (result > 0)
return result;
}
return 1;
}
/*
* Retuns display width of char
*/
static inline int
char_width(ST_MENU_CONFIG *config, char *c)
{
if (!config->force8bit)
#ifdef HAVE_LIBUNISTRING
return u8_width((const uint8_t *) c, 1, config->encoding);
#else
return utf_dsplen((const char *) c);
#endif
return 1;
}
/*
* returns display width of string
*/
static inline int
str_width(ST_MENU_CONFIG *config, char *str)
{
if (!config->force8bit)
#ifdef HAVE_LIBUNISTRING
return u8_strwidth((const uint8_t *) str, config->encoding);
#else
return utf_string_dsplen((const char *) str, strlen(str));
#endif
return strlen(str);
}
/*
* Transform string to simply compareable case insensitive string
*/
static inline char *
chr_casexfrm(ST_MENU_CONFIG *config, char *str)
{
char buffer[20];
char *result;
if (!config->force8bit)
{
#ifdef HAVE_LIBUNISTRING
size_t length;
length = sizeof(buffer);
result = u8_casexfrm((const uint8_t *) str,
char_length(config, str),
config->language, NULL,
buffer, &length);
if (result == buffer)
{
result = strdup(buffer);
if (!result)
{
endwin();
printf("FATAL: out of memory\n");
exit(1);
}
}
#else
char buffer2[10];
int chrl = utf8charlen(*str);
int fold;
strncpy(buffer2, str, chrl);
buffer2[chrl] = '\0';
fold = utf8_tofold((const char *) buffer2);
memcpy(buffer, &fold, sizeof(int));
buffer[sizeof(int)] = '\0';
result = strdup(buffer);
if (!result)
{
endwin();
printf("FATAL: out of memory\n");
exit(1);
}
#endif
}
else
{
buffer[0] = tolower(str[0]);
buffer[1] = '\0';
result = strdup(buffer);
if (!result)
{
endwin();
printf("FATAL: out of memory\n");
exit(1);
}
}
return result;
}
/*
* Convert wide char to multibyte encoding
*/
static inline int
wchar_to_utf8(ST_MENU_CONFIG *config, char *str, int n, wchar_t wch)
{
int result;
if (!config->force8bit)
{
#ifdef HAVE_LIBUNISTRING
result = u8_uctomb((uint8_t *) str, (ucs4_t) wch, n);
#else
/* be compiler quite */
(void) n;
unicode_to_utf8(wch, (unsigned char *) str, &result);
#endif
}
else
{
*str = (char) wch;
result = 1;
}
return result;
}
/*
* Workhorse for st_menu_save
*/
static int
_save_menustate(struct ST_MENU *menu, int *cursor_rows, int max_rows, int write_pos)
{
int active_row = -1;
int i;
if (write_pos + 1 + menu->nitems >= max_rows)
{
endwin();
printf("FATAL: Cannot save menu positions, too complex menu.\n");
exit(1);
}
cursor_rows[write_pos++] = menu->cursor_row;
cursor_rows[write_pos++] = menu->first_row;
if (menu->submenus)
{
for (i = 0; i < menu->nitems; i++)
{
if (menu->submenus[i])
{
write_pos = _save_menustate(menu->submenus[i], cursor_rows, max_rows, write_pos);
if (menu->active_submenu == menu->submenus[i])
active_row = i + 1;
}
}
}
for (i = 0; i < menu->nitems; i++)
cursor_rows[write_pos++] = menu->options[i];
cursor_rows[write_pos++] = active_row;
return write_pos;
}
static int
_save_refvals(struct ST_MENU *menu, int **refvals, int max_refvals, int write_pos)
{
int i;
if (write_pos + menu->nitems >= max_refvals)
{
endwin();
printf("FATAL: Cannot save menu refvals, too complex menu.\n");
exit(1);
}
if (menu->submenus)
{
for (i = 0; i < menu->nitems; i++)
{
if (menu->submenus[i])
write_pos = _save_refvals(menu->submenus[i], refvals, max_refvals, write_pos);
}
}
for (i = 0; i < menu->nitems; i++)
refvals[write_pos++] = menu->refvals[i];
return write_pos;
}
/*
* Workhorse for st_menu_load
*/
static int
_load_menustate(struct ST_MENU *menu, int *cursor_rows, int read_pos)
{
int active_row;
int i;
menu->cursor_row = cursor_rows[read_pos++];
menu->first_row = cursor_rows[read_pos++];
if (menu->submenus)
{
for (i = 0; i < menu->nitems; i++)
{
if (menu->submenus[i])
{
read_pos = _load_menustate(menu->submenus[i], cursor_rows, read_pos);
}
}
}
for (i = 0; i < menu->nitems; i++)
menu->options[i] = cursor_rows[read_pos++];
active_row = cursor_rows[read_pos++];
if (active_row != -1)
menu->active_submenu = menu->submenus[active_row - 1];
return read_pos;
}
static int
_load_refvals(struct ST_MENU *menu, int **refvals, int read_pos)
{
int i;
if (menu->submenus)
{
for (i = 0; i < menu->nitems; i++)
{
if (menu->submenus[i])
{
read_pos = _load_refvals(menu->submenus[i], refvals, read_pos);
}
}
}
for (i = 0; i < menu->nitems; i++)
menu->refvals[i] = refvals[read_pos++];
return read_pos;
}
/*
* Serialize important fields of menustate to cursor_rows array.
*/
void
st_menu_save(struct ST_MENU *menu, int *cursor_rows, int **refvals, int max_items)
{
_save_menustate(menu, cursor_rows, max_items, 0);
_save_refvals(menu, refvals, max_items, 0);
}
/*
* Load cursor positions and active submenu from safe
*/
void
st_menu_load(struct ST_MENU *menu, int *cursor_rows, int **refvals)
{
_load_menustate(menu, cursor_rows, 0);
_load_refvals(menu, refvals, 0);
}
/*
* Returns display length of some text. ~ char is ignored.
* ~~ is used as ~.
*/
static int
menutext_displaywidth(ST_MENU_CONFIG *config, char *text, char **accelerator, bool *extern_accel)
{
int result = 0;
bool _extern_accel = false;
char *_accelerator = NULL;
bool first_char = true;
int bytes;
while (*text != '\0')
{
if (*text == '~' || (*text == '_' && first_char))
{
/*
* ~~ or __ disable effect of special chars ~ and _. ~x~ defines
* internal accelerator (inside menu item text). _x_ defines
* external accelerator (displayed before menu item text) _ has this
* effect only when it is first char of menu item text.
*/
if (text[1] == *text)
{
result += 1;
text += 2;
}
else
{
if (*text == '_')
_extern_accel = true;
text += 1;
if (_accelerator == NULL)
_accelerator = text;
/* eat second '_' */
if (_extern_accel)
text += 1;
}
first_char = false;
continue;
}
bytes = char_length(config, text);
result += char_width(config, text);
text += bytes;
first_char = false;
}
if (extern_accel)
*extern_accel = _extern_accel;
if (accelerator)
*accelerator = _accelerator;
return result;
}
/*
* Collect display info about pulldown menu
*/
static void
pulldownmenu_content_size(ST_MENU_CONFIG *config, ST_MENU_ITEM *menu_items,
int *rows, int *columns, int *shortcut_x_pos, int *item_x_pos,
ST_MENU_ACCELERATOR *accelerators, int *naccelerators,
int *first_row)
{
char *accelerator;
bool has_extern_accel = false;
int max_text_width = 0;
int max_shortcut_width = 0;
int naccel = 0;
int default_row = -1;
*rows = 0;
*columns = 0;
*shortcut_x_pos = 0;
*first_row = -1;
*naccelerators = 0;
while (menu_items->text)
{
bool extern_accel;
*rows += 1;
if (*menu_items->text && strncmp(menu_items->text, "--", 2) != 0)
{
int text_width = 0;
int shortcut_width = 0;
if (*first_row == -1)
*first_row = *rows;
text_width = menutext_displaywidth(config, menu_items->text, &accelerator, &extern_accel);
if (extern_accel)
has_extern_accel = true;
if (accelerator != NULL)
{
accelerators[naccel].c = chr_casexfrm(config, accelerator);
accelerators[naccel].length = strlen(accelerators[naccel].c);
accelerators[naccel++].row = *rows;
}
if (menu_items->shortcut)
shortcut_width = str_width(config, menu_items->shortcut);
if (menu_items->submenu)
shortcut_width += shortcut_width > 0 ? 2 : 1;
if (menu_items->options & ST_MENU_OPTION_DEFAULT && default_row == -1)
default_row = *rows;
/*
* left alligned shortcuts are used by MC style
*/
if (config->left_alligned_shortcuts)
{
max_text_width = max_int(max_text_width, 1 + text_width + 2);
max_shortcut_width = max_int(max_shortcut_width, shortcut_width);
}
else
*columns = max_int(*columns,
1 + text_width + 1
+ (config->extra_inner_space ? 2 : 0)
+ (shortcut_width > 0 ? shortcut_width + 4 : 0));
}
menu_items += 1;
}
if (config->left_alligned_shortcuts)
{
*columns = max_text_width + (max_shortcut_width > 0 ? max_shortcut_width + 1 : 0);
*shortcut_x_pos = max_text_width;
}
else
*shortcut_x_pos = -1;
*naccelerators = naccel;
/*
* When external accelerators are used, move content to right
*/
if (has_extern_accel)
{
*columns += config->extern_accel_text_space + 1;
if (*shortcut_x_pos != -1)
*shortcut_x_pos += config->extern_accel_text_space + 1;
*item_x_pos = config->extern_accel_text_space + 1;
}
else
*item_x_pos = 1;
if (default_row != -1)
*first_row = default_row;
}
/*
* Draw menubar
*/
static void
menubar_draw(struct ST_MENU *menu)
{
ST_MENU_ITEM *menu_item = menu->menu_items;
ST_MENU_CONFIG *config = menu->config;
bool has_focus;
bool has_accelerators;
int i;
selected_item = NULL;
selected_options = 0;
selected_refval = NULL;
/* do nothing when content is invisible */
if (menu->focus == ST_MENU_FOCUS_NONE)
return;
show_panel(menu->panel);
top_panel(menu->panel);
update_panels();
has_focus = menu->focus == ST_MENU_FOCUS_FULL;
has_accelerators = menu->focus == ST_MENU_FOCUS_FULL ||
menu->focus == ST_MENU_FOCUS_ALT_MOUSE;
if (has_focus)
wbkgd(menu->window, COLOR_PAIR(config->menu_background_cpn) | config->menu_background_attr);
else
wbkgd(menu->window, COLOR_PAIR(config->menu_unfocused_cpn) | config->menu_unfocused_attr);
werase(menu->window);
i = 0;
while (menu_item->text)
{
char *text = menu_item->text;
bool highlight = false;
bool is_cursor_row = menu->cursor_row == i + 1 && has_focus;
bool is_disabled = menu->options[i] & ST_MENU_OPTION_DISABLED;
int current_pos;
/* bar_fields_x_pos holds x positions of menubar items */
current_pos = menu->bar_fields_x_pos[i];
if (is_cursor_row)
{
wmove(menu->window, 0, current_pos - 1);
wattron(menu->window, COLOR_PAIR(config->cursor_cpn) | config->cursor_attr);
waddstr(menu->window, " ");
selected_item = menu_item;
}
else
wmove(menu->window, 0, current_pos);
if (is_disabled)
wattron(menu->window, COLOR_PAIR(config->disabled_cpn) | config->disabled_attr);
while (*text)
{
/* there are not external accelerators */
if (*text == '~')
{
if (text[1] == '~')
{
waddstr(menu->window, "~");
text += 2;
continue;
}
if (!is_disabled && has_accelerators)
{
if (!highlight)
{
wattron(menu->window,
COLOR_PAIR(is_cursor_row ? config->cursor_accel_cpn : config->accelerator_cpn) |
(is_cursor_row ? config->cursor_accel_attr : config->accelerator_attr) );
}
else
{
wattroff(menu->window,
COLOR_PAIR(is_cursor_row ? config->cursor_accel_cpn : config->accelerator_cpn) |
(is_cursor_row ? config->cursor_accel_attr : config->accelerator_attr));
if (is_cursor_row)
wattron(menu->window, COLOR_PAIR(config->cursor_cpn) | config->cursor_attr);
}
highlight = !highlight;
}
text += 1;
}
else
{
int chlen = char_length(config, text);
waddnstr(menu->window, text, chlen);
text += chlen;
}
}
if (is_cursor_row)
{
waddstr(menu->window, " ");
wattroff(menu->window, COLOR_PAIR(config->cursor_cpn) | config->cursor_attr);
}
if (is_disabled)
wattroff(menu->window, COLOR_PAIR(config->disabled_cpn) | config->disabled_attr);
menu_item += 1;
i += 1;
}
wnoutrefresh(menu->window);
if (menu->active_submenu)
pulldownmenu_draw(menu->active_submenu, true);
}
#ifdef DEBUG_PIPE
static void
debug_print_size(WINDOW *window, char *name)
{
int rows, cols;
int y, x;
getbegyx(window, y, x);
getmaxyx(window, rows, cols);
fprintf(debug_pipe, "window \"%s\" y: %d, x: %d, rows: %d. cols: %d\n", name, y, x, rows, cols);
}
#endif
/*
* adjust pulldown position - move panels from ideal position to any position
* where can be fully displayed.
*/
static void
pulldownmenu_ajust_position(struct ST_MENU *menu, int maxy, int maxx)
{
ST_MENU_CONFIG *config = menu->config;
int rows, cols;
int new_y, new_x;
int y, x;
getbegyx(menu->window, y, x);
getmaxyx(menu->window, rows, cols);
subtract_correction(menu->window, &y, &x);
/*
* Hypothesis: when panel is moved, then assigned windows is moved
* to and possibly reduced (when terminal is smaller). But when terminal
* grows, then size of assigned window grows too, more than was original
* size. So we should to recheck size of assigned window, and fix it, when
* it is bigger than should be.
*/
if (rows != menu->rows || cols != menu->cols)
{
int new_rows = y + menu->rows <= maxy ? menu->rows : maxy - y + 1;
int new_cols = x + menu->cols <= maxx ? menu->cols : maxx - x + 1;
if (new_rows != rows || new_cols != cols)
wresize(menu->window, new_rows, new_cols);
}
#ifdef DEBUG_PIPE
debug_print_size(menu->window, "menu window");
#endif
/*
* Previous issue is same for shadow window. But with different timing.
* Visibility of shadow needs one row and one column more. The begin of
* shadow window should be in relation to begin of menu window.
*/
if (config->shadow_width > 0)
{
int srows, scols;
/* panel move can move shadow window. Force correct position now */
getmaxyx(menu->shadow_window, srows, scols);
mvwin(menu->shadow_window, y+1 , x+config->shadow_width);
if (srows != menu->rows || scols != menu->cols)
{
int new_srows, new_scols;
new_srows = y + 1 + menu->rows <= maxy ? menu->rows : maxy - y - 1;
new_scols = x + config->shadow_width + menu->cols <= maxx ? menu->cols : maxx - x - config->shadow_width;
wresize(menu->shadow_window, new_srows, new_scols);
}
}
#ifdef DEBUG_PIPE
debug_print_size(menu->shadow_window, "menu shadow window");
#endif
if (menu->ideal_x_pos + menu->cols > maxx)
{
new_x = maxx - menu->cols;
if (new_x < 0)
new_x = 0;
}
else
new_x = menu->ideal_x_pos;
if (menu->ideal_y_pos + menu->rows > maxy)
{
new_y = maxy - menu->rows;
if (new_y < 1)
new_y = 1;
}
else
new_y = menu->ideal_y_pos;
if (new_y != y || new_x != x)
{
int result;
result = move_panel(menu->panel, new_y, new_x);
/*
* This is maybe ugly hack. move_panel fails when
* attached window cannot be displayed. So we can try
* resize attached window first.
*/
if (result != OK)
{
WINDOW *pw = panel_window(menu->panel);
wresize(pw, maxy - new_y, menu->cols);
replace_panel(menu->panel, pw);
}
result = move_panel(menu->panel, new_y, new_x);
/*
* move_panel fails when it cannot be displayed completly.
* This is problem for shadow window because is n char right,
* over left border. So we have to create new window with
* different sizes.
* Don't try move shadow panel, when a move of menu panel
* failed.
*/
if (result == OK && menu->shadow_panel)
{
int new_rows, new_cols;
int smaxy, smaxx;
new_cols = menu->cols - (new_x == menu->ideal_x_pos ? 0 : config->shadow_width);
new_rows = menu->rows - (maxy >= new_y + menu->rows + 1 ? 0 : 1);
getmaxyx(menu->shadow_window, smaxy, smaxx);
if (new_cols <= smaxx || new_rows <= smaxy)
{
WINDOW *new_shadow_window;
new_shadow_window = newwin(new_rows, new_cols, new_y + 1, new_x + config->shadow_width);
/* There are no other possibility to resize panel */
replace_panel(menu->shadow_panel, new_shadow_window);
delwin(menu->shadow_window);
menu->shadow_window = new_shadow_window;
wbkgd(menu->shadow_window, COLOR_PAIR(config->menu_shadow_cpn) | config->menu_shadow_attr);
wnoutrefresh(menu->shadow_window);
}
move_panel(menu->shadow_panel, new_y + 1, new_x + config->shadow_width);
}
}
if (menu->active_submenu)
pulldownmenu_ajust_position(menu->active_submenu, maxy, maxx);
update_panels();
}
/*
* Draw shadow
*/
static void
pulldownmenu_draw_shadow(struct ST_MENU *menu)
{
ST_MENU_CONFIG *config = menu->config;
if (menu->shadow_window)
{
int smaxy, smaxx;
int i, j;
int wmaxy, wmaxx;