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Commit MetaInfo

修訂648 (tree)
時間2014-11-29 02:56:56
作者ornse01

Log Message

add caret.

Change Summary

差異

--- bchank/trunk/src/bchank_view.c (revision 647)
+++ bchank/trunk/src/bchank_view.c (revision 648)
@@ -29,6 +29,7 @@
2929 #include <bstdio.h>
3030 #include <tcode.h>
3131 #include <btron/dp.h>
32+#include <btron/libapp.h>
3233
3334 #include "bchank_view.h"
3435 #include "bchank_tadutil.h"
@@ -38,6 +39,14 @@
3839 #include <css/cssrendering_coordinate.h>
3940 #include <hmi/texteditor_textfragment.h>
4041
42+#ifdef BCHAN_CONFIG_DEBUG
43+# define DP(arg) printf arg
44+# define DP_ER(msg, err) printf("%s (%d/%x)\n", msg, err>>16, err)
45+#else
46+# define DP(arg) /* */
47+# define DP_ER(msg, err) /* */
48+#endif
49+
4150 struct bchank_font_t_ {
4251 FSSPEC spec;
4352 FNTINFO info;
@@ -159,6 +168,11 @@
159168 return line->base.base.content_edge.c.bottom;
160169 }
161170
171+LOCAL W bchank_viewline_getwidth(bchank_viewline_t *line)
172+{
173+ return line->base.base.content_edge.c.right - line->base.base.content_edge.c.left;
174+}
175+
162176 EXPORT VOID bchank_viewline_setleft(bchank_viewline_t *line, W left)
163177 {
164178 line->base.base.content_edge.c.left = left;
@@ -184,6 +198,22 @@
184198 line->fragment = fragment;
185199 }
186200
201+LOCAL W bchank_viewline_getX(bchank_viewline_t *line, W pos)
202+{
203+ if (pos > line->pos_len) {
204+ return -1;
205+ }
206+ if (pos == line->pos_len) {
207+ return bchank_viewline_getwidth(line);
208+ }
209+ return line->pos[pos];
210+}
211+
212+LOCAL W bchank_viewline_length(bchank_viewline_t *line)
213+{
214+ return line->pos_len;
215+}
216+
187217 EXPORT bchank_viewline_t* bchank_viewline_new()
188218 {
189219 bchank_viewline_t *line;
@@ -207,6 +237,78 @@
207237 free(line);
208238 }
209239
240+struct bchank_caret_t_ {
241+ CARET base;
242+};
243+typedef struct bchank_caret_t_ bchank_caret_t;
244+
245+LOCAL W bchank_caret_appear(bchank_caret_t *caret)
246+{
247+ return idsp_car(&caret->base, 1);
248+}
249+
250+LOCAL W bchank_caret_disappear(bchank_caret_t *caret)
251+{
252+ return idsp_car(&caret->base, 0);
253+}
254+
255+LOCAL W bchank_caret_blink(bchank_caret_t *caret)
256+{
257+ return idsp_car(&caret->base, -1);
258+}
259+
260+LOCAL W bchank_caret_changepos(bchank_caret_t *caret, PNT p)
261+{
262+ W prev_sts = caret->base.sts;
263+ W err;
264+
265+ if (prev_sts != 0 && caret->base.gid > 0) {
266+ err = idsp_car(&caret->base, 0);
267+ if (err < 0) {
268+ DP_ER("idsp_car erase", err);
269+ return err;
270+ }
271+ }
272+
273+ caret->base.pos = p;
274+
275+ if (prev_sts != 0 && caret->base.gid > 0) {
276+ err = idsp_car(&caret->base, 1);
277+ if (err < 0) {
278+ DP_ER("idsp_car draw", err);
279+ return err;
280+ }
281+ }
282+
283+ return 0;
284+}
285+
286+LOCAL W bchank_caret_scroll(bchank_caret_t *caret, W dh, W dv)
287+{
288+ PNT next;
289+ next.x = caret->base.pos.x - dh;
290+ next.y = caret->base.pos.y - dv;
291+ return bchank_caret_changepos(caret, next);
292+}
293+
294+LOCAL VOID bchank_caret_initialize(bchank_caret_t *caret, GID target)
295+{
296+ caret->base.sts = 0;
297+ caret->base.gid = target;
298+ caret->base.pos.x = 0;
299+ caret->base.pos.y = 16;
300+ caret->base.height = 16;
301+ caret->base.kind = 0;
302+ caret->base.color = 0x10FFFFFF;
303+}
304+
305+LOCAL VOID bchank_caret_finalize(bchank_caret_t *caret)
306+{
307+ if (caret->base.gid > 0) {
308+ idsp_car(&caret->base, 0);
309+ }
310+}
311+
210312 struct bchank_view_t_ {
211313 cssrendering_blockbox_t root;
212314 cssrendering_blockbox_t line_container;
@@ -213,6 +315,11 @@
213315 cssrendering_anonymousbox_t line_container_anon;
214316 cssrendering_coordinate_t scroll;
215317 bchank_viewconfig_t config;
318+ bchank_caret_t caret;
319+ struct {
320+ W x;
321+ W y;
322+ } insert_pos;
216323 GID target;
217324 };
218325
@@ -323,6 +430,7 @@
323430 EXPORT VOID bchank_view_scroll(bchank_view_t *view, W dh, W dv)
324431 {
325432 cssrendering_coordinate_scrollviewrect(&view->scroll, dh, dv);
433+ bchank_caret_scroll(&view->caret, dh, dv);
326434 }
327435
328436 EXPORT VOID bchank_view_getviewrect(bchank_view_t *view, W *l, W *t, W *r, W *b)
@@ -398,6 +506,42 @@
398506 return (bchank_viewline_t*)cssrendering_anonymousbox_getfirstchild(&view->line_container_anon);
399507 }
400508
509+LOCAL bchank_viewline_t* bchank_view_getline(bchank_view_t *view, W at)
510+{
511+ bchank_viewline_t *line;
512+ W i;
513+
514+ line = bchank_view_firstchild(view);
515+ for (i = 0; i < at; i++) {
516+ if (line == NULL) {
517+ break;
518+ }
519+ line = bchank_viewline_nextsibling(line);
520+ }
521+
522+ if (i != at) {
523+ return NULL;
524+ }
525+
526+ return line;
527+}
528+
529+LOCAL W bchank_view_length(bchank_view_t *view)
530+{
531+ bchank_viewline_t *line;
532+ W i;
533+
534+ line = bchank_view_firstchild(view);
535+ for (i = 0; ; i++) {
536+ if (line == NULL) {
537+ break;
538+ }
539+ line = bchank_viewline_nextsibling(line);
540+ }
541+
542+ return i;
543+}
544+
401545 EXPORT VOID bchank_view_seteditsize(bchank_view_t *view, W width, W height)
402546 {
403547 view->root.base.content_edge.c.left = 0;
@@ -493,6 +637,114 @@
493637 return w;
494638 }
495639
640+EXPORT W bchank_view_showcaret(bchank_view_t *view)
641+{
642+ return bchank_caret_appear(&view->caret);
643+}
644+
645+EXPORT W bchank_view_hidecaret(bchank_view_t *view)
646+{
647+ return bchank_caret_disappear(&view->caret);
648+}
649+
650+EXPORT W bchank_view_blinkcaret(bchank_view_t *view)
651+{
652+ return bchank_caret_blink(&view->caret);
653+}
654+
655+LOCAL W bchank_view_caretupdate(bchank_view_t *view)
656+{
657+ bchank_viewline_t *line;
658+ W x, y;
659+
660+ line = bchank_view_getline(view, view->insert_pos.y);
661+ if (line == NULL) {
662+ return -1;
663+ }
664+ x = bchank_viewline_getX(line, view->insert_pos.x);
665+ if (x < 0) {
666+ return -1;
667+ }
668+ y = (view->insert_pos.y + 1) * 18 - 2;
669+ cssrendering_coordinate_getrelativepoint(&view->scroll, x, y, &x, &y);
670+ return bchank_caret_changepos(&view->caret, (PNT){x, y});
671+}
672+
673+EXPORT W bchank_view_upcaret(bchank_view_t *view)
674+{
675+ W chars;
676+ bchank_viewline_t *line;
677+
678+ if (view->insert_pos.y - 1 < 0) {
679+ return 0;
680+ }
681+ view->insert_pos.y--;
682+ line = bchank_view_getline(view, view->insert_pos.y);
683+ chars = bchank_viewline_length(line);
684+ if (view->insert_pos.x > chars) {
685+ view->insert_pos.x = chars;
686+ }
687+ return bchank_view_caretupdate(view);
688+}
689+
690+EXPORT W bchank_view_downcaret(bchank_view_t *view)
691+{
692+ W lines, chars;
693+ bchank_viewline_t *line;
694+
695+ lines = bchank_view_length(view);
696+ if (view->insert_pos.y + 1 >= lines) {
697+ return 0;
698+ }
699+ view->insert_pos.y++;
700+ line = bchank_view_getline(view, view->insert_pos.y);
701+ chars = bchank_viewline_length(line);
702+ if (view->insert_pos.x > chars) {
703+ view->insert_pos.x = chars;
704+ }
705+ return bchank_view_caretupdate(view);
706+}
707+
708+EXPORT W bchank_view_leftcaret(bchank_view_t *view)
709+{
710+ W chars;
711+ bchank_viewline_t *line;
712+
713+ if (view->insert_pos.x - 1 < 0) {
714+ if (view->insert_pos.y - 1 < 0) {
715+ return 0;
716+ }
717+ line = bchank_view_getline(view, view->insert_pos.y - 1);
718+ chars = bchank_viewline_length(line);
719+
720+ view->insert_pos.x = chars;
721+ view->insert_pos.y--;
722+ } else {
723+ view->insert_pos.x--;
724+ }
725+ return bchank_view_caretupdate(view);
726+}
727+
728+EXPORT W bchank_view_rightcaret(bchank_view_t *view)
729+{
730+ W lines, chars;
731+ bchank_viewline_t *line;
732+
733+ line = bchank_view_getline(view, view->insert_pos.y);
734+ chars = bchank_viewline_length(line);
735+ if (view->insert_pos.x + 1 > chars) {
736+ lines = bchank_viewline_length(line);
737+ if (view->insert_pos.y + 1 >= lines) {
738+ return 0;
739+ }
740+ view->insert_pos.x = 0;
741+ view->insert_pos.y++;
742+ } else {
743+ view->insert_pos.x++;
744+ }
745+ return bchank_view_caretupdate(view);
746+}
747+
496748 LOCAL W bchank_view_initialize(bchank_view_t *view, GID target)
497749 {
498750 W err;
@@ -509,6 +761,9 @@
509761 if (err < 0) {
510762 goto error_config;
511763 }
764+ bchank_caret_initialize(&view->caret, target);
765+ view->insert_pos.x = 0;
766+ view->insert_pos.y = 0;
512767
513768 view->target = target;
514769
@@ -536,6 +791,7 @@
536791 bchank_viewline_delete(line);
537792 }
538793
794+ bchank_caret_finalize(&view->caret);
539795 bchank_viewconfig_finalize(&view->config);
540796 cssrendering_coordinate_finalize(&view->scroll);
541797 cssrendering_anonymousbox_finalize(&view->line_container_anon);
--- bchank/trunk/src/bchank_view.h (revision 647)
+++ bchank/trunk/src/bchank_view.h (revision 648)
@@ -62,5 +62,12 @@
6262 IMPORT bchank_viewline_t* bchank_view_firstchild(bchank_view_t *view);
6363 IMPORT VOID bchank_view_seteditsize(bchank_view_t *view, W w, W h);
6464 IMPORT W bchank_view_calctextwidth(bchank_view_t *view, bchank_viewline_t *line);
65+IMPORT W bchank_view_showcaret(bchank_view_t *view);
66+IMPORT W bchank_view_hidecaret(bchank_view_t *view);
67+IMPORT W bchank_view_blinkcaret(bchank_view_t *view);
68+IMPORT W bchank_view_upcaret(bchank_view_t *view);
69+IMPORT W bchank_view_downcaret(bchank_view_t *view);
70+IMPORT W bchank_view_leftcaret(bchank_view_t *view);
71+IMPORT W bchank_view_rightcaret(bchank_view_t *view);
6572
6673 #endif
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