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comparison: ui/motif/text.c

ui/motif/text.c

changeset 115
e57ca2747782
parent 112
c3f2f16fa4b8
equal deleted inserted replaced
114:3da24640513a 115:e57ca2747782
30 #include <stdlib.h> 30 #include <stdlib.h>
31 #include <unistd.h> 31 #include <unistd.h>
32 32
33 #include "text.h" 33 #include "text.h"
34 #include "container.h" 34 #include "container.h"
35 #include "pathbar.h"
36
37 #include "../common/utils.h"
35 38
36 #include <cx/string.h> 39 #include <cx/string.h>
37 40
38 41
39 /* ------------------------------ Text Area ------------------------------ */ 42 /* ------------------------------ Text Area ------------------------------ */
208 long right = 0; 211 long right = 0;
209 XmTextGetSelectionPosition(widget, &left, &right); 212 XmTextGetSelectionPosition(widget, &left, &right);
210 int sel = left < right ? 1 : 0; 213 int sel = left < right ? 1 : 0;
211 if(sel != textarea->last_selection_state) { 214 if(sel != textarea->last_selection_state) {
212 if(sel) { 215 if(sel) {
213 ui_set_group(textarea->obj->ctx, UI_GROUP_SELECTION); 216 ui_set_state(textarea->obj->ctx, UI_GROUP_SELECTION);
214 } else { 217 } else {
215 ui_unset_group(textarea->obj->ctx, UI_GROUP_SELECTION); 218 ui_unset_state(textarea->obj->ctx, UI_GROUP_SELECTION);
216 } 219 }
217 } 220 }
218 textarea->last_selection_state = sel; 221 textarea->last_selection_state = sel;
219 } 222 }
220 223
403 char *name = args->name ? (char*)args->name : "textfield"; 406 char *name = args->name ? (char*)args->name : "textfield";
404 Widget textfield = XmCreateTextField(parent, name, xargs, n); 407 Widget textfield = XmCreateTextField(parent, name, xargs, n);
405 XtManageChild(textfield); 408 XtManageChild(textfield);
406 ui_container_add(ctn, textfield); 409 ui_container_add(ctn, textfield);
407 410
408 ui_set_widget_groups(obj->ctx, textfield, args->groups); 411 ui_set_widget_groups(obj->ctx, textfield, args->states);
412
413 UiEventDataExt *eventdata = malloc(sizeof(UiEventDataExt));
414 memset(eventdata, 0, sizeof(UiEventDataExt));
415 eventdata->obj = obj;
416 eventdata->callback = args->onactivate;
417 eventdata->userdata = args->onactivatedata;
418 eventdata->callback2 = args->onchange;
419 eventdata->userdata2 = args->onchangedata;
409 420
410 UiVar* var = uic_widget_var(obj->ctx, obj->ctx, args->value, args->varname, UI_VAR_STRING); 421 UiVar* var = uic_widget_var(obj->ctx, obj->ctx, args->value, args->varname, UI_VAR_STRING);
411 if(var) { 422 if(var) {
423 eventdata->customdata0 = var;
424
412 UiString *value = (UiString*)var->value; 425 UiString *value = (UiString*)var->value;
413 value->obj = textfield; 426 value->obj = textfield;
414 value->get = ui_textfield_get; 427 value->get = ui_textfield_get;
415 value->set = ui_textfield_set; 428 value->set = ui_textfield_set;
416 429
417 if(value->value.ptr) { 430 if(value->value.ptr) {
418 ui_textfield_set(value, value->value.ptr); 431 ui_textfield_set(value, value->value.ptr);
419 } 432 }
420 } 433 }
421 434
435 XtAddCallback(
436 textfield,
437 XmNactivateCallback,
438 (XtCallbackProc)ui_textfield_activate,
439 eventdata);
440 XtAddCallback(
441 textfield,
442 XmNvalueChangedCallback,
443 (XtCallbackProc)ui_textfield_value_changed,
444 eventdata);
445 XtAddCallback(
446 textfield,
447 XmNdestroyCallback,
448 (XtCallbackProc)ui_destroy_data,
449 eventdata);
450
422 return textfield; 451 return textfield;
452 }
453
454 static void textfield_event(UiEventDataExt *eventdata, ui_callback callback, void *userdata) {
455 if(callback) {
456 UiVar *var = eventdata->customdata0;
457 UiString *value = var ? var->value : NULL;
458
459 UiEvent e;
460 e.obj = eventdata->obj;
461 e.window = e.obj->window;
462 e.document = e.obj->ctx->document;
463 e.eventdata = value;
464 e.eventdatatype = value ? UI_EVENT_DATA_TEXT_VALUE : 0;
465 e.intval = 0;
466 e.set = ui_get_setop();
467 callback(&e, userdata);
468 }
469 }
470
471 void ui_textfield_activate(Widget widget, XtPointer ud, XtPointer cb) {
472 UiEventDataExt *eventdata = ud;
473 textfield_event(ud, eventdata->callback, eventdata->userdata);
474 }
475
476 void ui_textfield_value_changed(Widget widget, XtPointer ud, XtPointer cb) {
477 UiEventDataExt *eventdata = ud;
478 if(ui_onchange_events_is_enabled()) {
479 textfield_event(ud, eventdata->callback2, eventdata->userdata2);
480 }
423 } 481 }
424 482
425 UIWIDGET ui_textfield_create(UiObject *obj, UiTextFieldArgs *args) { 483 UIWIDGET ui_textfield_create(UiObject *obj, UiTextFieldArgs *args) {
426 return create_textfield(obj, args, FALSE, FALSE); 484 return create_textfield(obj, args, FALSE, FALSE);
427 } 485 }
448 XmTextFieldSetString(str->obj, (void*)value); 506 XmTextFieldSetString(str->obj, (void*)value);
449 if(str->value.free) { 507 if(str->value.free) {
450 str->value.free(str->value.ptr); 508 str->value.free(str->value.ptr);
451 } 509 }
452 str->value.ptr = NULL; 510 str->value.ptr = NULL;
453 }
454
455
456
457
458
459 /* -------------------- path bar -------------------- */
460
461 #define XNECreateText(parent,name,args,count) XmCreateTextField(parent,name,args,count)
462 #define XNETextSetString(widget,value) XmTextFieldSetString(widget,value)
463 #define XNETextGetString(widget) XmTextFieldGetString(widget)
464 #define XNETextGetLastPosition(widget) XmTextFieldGetLastPosition(widget)
465 #define XNETextSetInsertionPosition(widget, i) XmTextFieldSetInsertionPosition(widget, i)
466 #define XNETextSetSelection(w, f, l, t) XmTextFieldSetSelection(w, f, l, t)
467
468 typedef void(*updatedir_callback)(void*,char*,int);
469
470 typedef struct PathBar {
471 Widget widget;
472 Widget textfield;
473
474 Widget focus_widget;
475
476 Widget left;
477 Widget right;
478 Dimension lw;
479 Dimension rw;
480
481 int shift;
482
483 UiPathElm *current_pathelms;
484 Widget *pathSegments;
485 size_t numSegments;
486 size_t segmentAlloc;
487
488 char *path;
489 int selection;
490 Boolean input;
491
492 int focus;
493
494 updatedir_callback updateDir;
495 void *updateDirData;
496
497 ui_pathelm_func getpathelm;
498 void *getpathelmdata;
499 } PathBar;
500
501 void PathBarSetPath(PathBar *bar, const char *path);
502
503 void pathbar_resize(Widget w, PathBar *p, XtPointer d)
504 {
505 Dimension width, height;
506 XtVaGetValues(w, XmNwidth, &width, XmNheight, &height, NULL);
507
508 Dimension *segW = (void*)XtCalloc(p->numSegments, sizeof(Dimension));
509
510 Dimension maxHeight = 0;
511
512 /* get width/height from all widgets */
513 Dimension pathWidth = 0;
514 for(int i=0;i<p->numSegments;i++) {
515 Dimension segWidth;
516 Dimension segHeight;
517 XtVaGetValues(p->pathSegments[i], XmNwidth, &segWidth, XmNheight, &segHeight, NULL);
518 segW[i] = segWidth;
519 pathWidth += segWidth;
520 if(segHeight > maxHeight) {
521 maxHeight = segHeight;
522 }
523 }
524 Dimension tfHeight;
525 XtVaGetValues(p->textfield, XmNheight, &tfHeight, NULL);
526 if(tfHeight > maxHeight) {
527 maxHeight = tfHeight;
528 }
529
530 Boolean arrows = False;
531 if(pathWidth + 10 > width) {
532 arrows = True;
533 pathWidth += p->lw + p->rw;
534 }
535
536 /* calc max visible widgets */
537 int start = 0;
538 if(arrows) {
539 Dimension vis = p->lw+p->rw;
540 for(int i=p->numSegments;i>0;i--) {
541 Dimension segWidth = segW[i-1];
542 if(vis + segWidth + 10 > width) {
543 start = i;
544 arrows = True;
545 break;
546 }
547 vis += segWidth;
548 }
549 } else {
550 p->shift = 0;
551 }
552
553 int leftShift = 0;
554 if(p->shift < 0) {
555 if(start + p->shift < 0) {
556 leftShift = start;
557 start = 0;
558 p->shift = -leftShift;
559 } else {
560 leftShift = -p->shift; /* negative shift */
561 start += p->shift;
562 }
563 }
564
565 int x = 0;
566 if(arrows) {
567 XtManageChild(p->left);
568 XtManageChild(p->right);
569 x = p->lw;
570 } else {
571 XtUnmanageChild(p->left);
572 XtUnmanageChild(p->right);
573 }
574
575 for(int i=0;i<p->numSegments;i++) {
576 if(i >= start && i < p->numSegments - leftShift && !p->input) {
577 XtVaSetValues(p->pathSegments[i], XmNx, x, XmNy, 0, XmNheight, maxHeight, NULL);
578 x += segW[i];
579 XtManageChild(p->pathSegments[i]);
580 } else {
581 XtUnmanageChild(p->pathSegments[i]);
582 }
583 }
584
585 if(arrows) {
586 XtVaSetValues(p->left, XmNx, 0, XmNy, 0, XmNheight, maxHeight, NULL);
587 XtVaSetValues(p->right, XmNx, x, XmNy, 0, XmNheight, maxHeight, NULL);
588 }
589
590 free(segW);
591
592 Dimension rw, rh;
593 XtMakeResizeRequest(w, width, maxHeight, &rw, &rh);
594
595 XtVaSetValues(p->textfield, XmNwidth, rw, XmNheight, rh, NULL);
596 }
597
598 static void pathbarActivateTF(PathBar *p)
599 {
600 XtUnmanageChild(p->left);
601 XtUnmanageChild(p->right);
602 XNETextSetSelection(p->textfield, 0, XNETextGetLastPosition(p->textfield), 0);
603 XtManageChild(p->textfield);
604 p->input = 1;
605
606 XmProcessTraversal(p->textfield, XmTRAVERSE_CURRENT);
607
608 pathbar_resize(p->widget, p, NULL);
609 }
610
611 void PathBarActivateTextfield(PathBar *p)
612 {
613 p->focus = 1;
614 pathbarActivateTF(p);
615 }
616
617 void pathbar_input(Widget w, PathBar *p, XtPointer c)
618 {
619 XmDrawingAreaCallbackStruct *cbs = (XmDrawingAreaCallbackStruct*)c;
620 XEvent *xevent = cbs->event;
621
622 if (cbs->reason == XmCR_INPUT) {
623 if (xevent->xany.type == ButtonPress) {
624 p->focus = 0;
625 pathbarActivateTF(p);
626 }
627 }
628 }
629
630 void pathbar_losingfocus(Widget w, PathBar *p, XtPointer c)
631 {
632 if(--p->focus < 0) {
633 p->input = False;
634 XtUnmanageChild(p->textfield);
635 }
636 }
637
638 static cxmutstr concat_path_s(cxstring base, cxstring path) {
639 if(!path.ptr) {
640 path = CX_STR("");
641 }
642
643 int add_separator = 0;
644 if(base.length != 0 && base.ptr[base.length-1] == '/') {
645 if(path.ptr[0] == '/') {
646 base.length--;
647 }
648 } else {
649 if(path.length == 0 || path.ptr[0] != '/') {
650 add_separator = 1;
651 }
652 }
653
654 cxmutstr url;
655 if(add_separator) {
656 url = cx_strcat(3, base, CX_STR("/"), path);
657 } else {
658 url = cx_strcat(2, base, path);
659 }
660
661 return url;
662 }
663
664 static char* ConcatPath(const char *path1, const char *path2) {
665 return concat_path_s(cx_str(path1), cx_str(path2)).ptr;
666 }
667
668 void pathbar_pathinput(Widget w, PathBar *p, XtPointer d)
669 {
670 char *newpath = XNETextGetString(p->textfield);
671 if(newpath) {
672 if(newpath[0] == '~') {
673 char *p = newpath+1;
674 char *home = getenv("HOME");
675 char *cp = ConcatPath(home, p);
676 XtFree(newpath);
677 newpath = cp;
678 } else if(newpath[0] != '/') {
679 char curdir[2048];
680 curdir[0] = 0;
681 getcwd(curdir, 2048);
682 char *cp = ConcatPath(curdir, newpath);
683 XtFree(newpath);
684 newpath = cp;
685 }
686
687 /* update path */
688 PathBarSetPath(p, newpath);
689 if(p->updateDir) {
690 p->updateDir(p->updateDirData, newpath, -1);
691 }
692 XtFree(newpath);
693
694 /* hide textfield and show path as buttons */
695 XtUnmanageChild(p->textfield);
696 pathbar_resize(p->widget, p, NULL);
697
698 if(p->focus_widget) {
699 XmProcessTraversal(p->focus_widget, XmTRAVERSE_CURRENT);
700 }
701 }
702 }
703
704 void pathbar_shift_left(Widget w, PathBar *p, XtPointer d)
705 {
706 p->shift--;
707 pathbar_resize(p->widget, p, NULL);
708 }
709
710 void pathbar_shift_right(Widget w, PathBar *p, XtPointer d)
711 {
712 if(p->shift < 0) {
713 p->shift++;
714 }
715 pathbar_resize(p->widget, p, NULL);
716 }
717
718 static void pathTextEH(Widget widget, XtPointer data, XEvent *event, Boolean *dispatch) {
719 PathBar *pb = data;
720 if(event->type == KeyReleaseMask) {
721 if(event->xkey.keycode == 9) {
722 XtUnmanageChild(pb->textfield);
723 pathbar_resize(pb->widget, pb, NULL);
724 *dispatch = False;
725 } else if(event->xkey.keycode == 36) {
726 pathbar_pathinput(pb->textfield, pb, NULL);
727 *dispatch = False;
728 }
729 }
730 }
731
732 PathBar* CreatePathBar(Widget parent, ArgList args, int n)
733 {
734 PathBar *bar = (PathBar*)XtMalloc(sizeof(PathBar));
735 bar->path = NULL;
736 bar->updateDir = NULL;
737 bar->updateDirData = NULL;
738
739 bar->focus_widget = NULL;
740
741 bar->getpathelm = NULL;
742 bar->getpathelmdata = NULL;
743 bar->current_pathelms = NULL;
744
745 bar->shift = 0;
746
747 XtSetArg(args[n], XmNmarginWidth, 0); n++;
748 XtSetArg(args[n], XmNmarginHeight, 0); n++;
749 bar->widget = XmCreateDrawingArea(parent, "pathbar", args, n);
750 XtAddCallback(
751 bar->widget,
752 XmNresizeCallback,
753 (XtCallbackProc)pathbar_resize,
754 bar);
755 XtAddCallback(
756 bar->widget,
757 XmNinputCallback,
758 (XtCallbackProc)pathbar_input,
759 bar);
760
761 Arg a[4];
762 XtSetArg(a[0], XmNshadowThickness, 0);
763 XtSetArg(a[1], XmNx, 0);
764 XtSetArg(a[2], XmNy, 0);
765 bar->textfield = XNECreateText(bar->widget, "pbtext", a, 3);
766 bar->input = 0;
767 XtAddCallback(
768 bar->textfield,
769 XmNlosingFocusCallback,
770 (XtCallbackProc)pathbar_losingfocus,
771 bar);
772 XtAddCallback(bar->textfield, XmNactivateCallback,
773 (XtCallbackProc)pathbar_pathinput, bar);
774 XtAddEventHandler(bar->textfield, KeyPressMask | KeyReleaseMask, FALSE, pathTextEH, bar);
775
776 XtSetArg(a[0], XmNarrowDirection, XmARROW_LEFT);
777 bar->left = XmCreateArrowButton(bar->widget, "pbbutton", a, 1);
778 XtSetArg(a[0], XmNarrowDirection, XmARROW_RIGHT);
779 bar->right = XmCreateArrowButton(bar->widget, "pbbutton", a, 1);
780 XtAddCallback(
781 bar->left,
782 XmNactivateCallback,
783 (XtCallbackProc)pathbar_shift_left,
784 bar);
785 XtAddCallback(
786 bar->right,
787 XmNactivateCallback,
788 (XtCallbackProc)pathbar_shift_right,
789 bar);
790
791 Pixel bg;
792 XtVaGetValues(bar->textfield, XmNbackground, &bg, NULL);
793 XtVaSetValues(bar->widget, XmNbackground, bg, NULL);
794
795 XtManageChild(bar->left);
796 XtManageChild(bar->right);
797
798 XtVaGetValues(bar->left, XmNwidth, &bar->lw, NULL);
799 XtVaGetValues(bar->right, XmNwidth, &bar->rw, NULL);
800
801 bar->segmentAlloc = 16;
802 bar->numSegments = 0;
803 bar->pathSegments = (Widget*)XtCalloc(16, sizeof(Widget));
804
805 bar->selection = 0;
806
807 return bar;
808 }
809
810 void PathBarChangeDir(Widget w, PathBar *bar, XtPointer c)
811 {
812 XmToggleButtonSetState(bar->pathSegments[bar->selection], False, False);
813
814 int i;
815 for(i=0;i<bar->numSegments;i++) {
816 if(bar->pathSegments[i] == w) {
817 bar->selection = i;
818 XmToggleButtonSetState(w, True, False);
819 break;
820 }
821 }
822
823 UiPathElm elm = bar->current_pathelms[i];
824 cxmutstr path = cx_strdup(cx_strn(elm.path, elm.path_len));
825 if(bar->updateDir) {
826 XNETextSetString(bar->textfield, path.ptr);
827 bar->updateDir(bar->updateDirData, path.ptr, i);
828 }
829 free(path.ptr);
830 }
831
832 static void ui_pathelm_destroy(UiPathElm *elms, size_t nelm) {
833 for(int i=0;i<nelm;i++) {
834 free(elms[i].name);
835 free(elms[i].path);
836 }
837 free(elms);
838 }
839
840 void PathBarSetPath(PathBar *bar, const char *path)
841 {
842 if(bar->path) {
843 free(bar->path);
844 }
845 bar->path = strdup(path);
846
847 for(int i=0;i<bar->numSegments;i++) {
848 XtDestroyWidget(bar->pathSegments[i]);
849 }
850 XtUnmanageChild(bar->textfield);
851 XtManageChild(bar->left);
852 XtManageChild(bar->right);
853 bar->input = False;
854
855 Arg args[4];
856 XmString str;
857
858 bar->numSegments = 0;
859
860 ui_pathelm_destroy(bar->current_pathelms, bar->numSegments);
861 size_t nelm = 0;
862 UiPathElm* path_elm = bar->getpathelm(bar->path, strlen(bar->path), &nelm, bar->getpathelmdata);
863 if (!path_elm) {
864 return;
865 }
866 bar->current_pathelms = path_elm;
867 bar->numSegments = nelm;
868 bar->pathSegments = realloc(bar->pathSegments, nelm * sizeof(Widget*));
869
870 for(int i=0;i<nelm;i++) {
871 UiPathElm elm = path_elm[i];
872
873 cxmutstr name = cx_strdup(cx_strn(elm.name, elm.name_len));
874 str = XmStringCreateLocalized(elm.name);
875 free(name.ptr);
876
877 XtSetArg(args[0], XmNlabelString, str);
878 XtSetArg(args[1], XmNfillOnSelect, True);
879 XtSetArg(args[2], XmNindicatorOn, False);
880 Widget button = XmCreateToggleButton(bar->widget, "pbbutton", args, 3);
881 XtAddCallback(
882 button,
883 XmNvalueChangedCallback,
884 (XtCallbackProc)PathBarChangeDir,
885 bar);
886 XmStringFree(str);
887
888 bar->pathSegments[i] = button;
889 }
890
891 bar->selection = bar->numSegments-1;
892 XmToggleButtonSetState(bar->pathSegments[bar->selection], True, False);
893
894 XNETextSetString(bar->textfield, (char*)path);
895 XNETextSetInsertionPosition(bar->textfield, XNETextGetLastPosition(bar->textfield));
896
897 pathbar_resize(bar->widget, bar, NULL);
898 }
899
900 void PathBarDestroy(PathBar *pathbar) {
901 if(pathbar->path) {
902 XtFree(pathbar->path);
903 }
904 XtFree((void*)pathbar->pathSegments);
905 XtFree((void*)pathbar);
906 } 511 }
907 512
908 513
909 /* ---------------------------- Path Text Field ---------------------------- */ 514 /* ---------------------------- Path Text Field ---------------------------- */
910 515
911 static void destroy_pathbar(Widget w, XtPointer *data, XtPointer d) { 516 static void destroy_pathbar(Widget w, XtPointer *data, XtPointer d) {
912 PathBar *pathbar = (PathBar*)data; 517 PathBar *pathbar = (PathBar*)data;
913 // TODO: check if there is somonething missing 518 // TODO: check if there is somonething missing
914 XtFree((void*)pathbar->pathSegments); 519 XtFree((void*)pathbar->pathSegments);
915 XtFree((void*)pathbar); 520 XtFree((void*)pathbar);
916 }
917
918 // TODO: move to common
919 static UiPathElm* default_pathelm_func(const char* full_path, size_t len, size_t* ret_nelm, void* data) {
920 cxstring *pathelms;
921 size_t nelm = cx_strsplit_a(cxDefaultAllocator, cx_strn(full_path, len), CX_STR("/"), 4096, &pathelms);
922
923 if (nelm == 0) {
924 *ret_nelm = 0;
925 return NULL;
926 }
927
928 UiPathElm* elms = (UiPathElm*)calloc(nelm, sizeof(UiPathElm));
929 size_t n = nelm;
930 int j = 0;
931 for (int i = 0; i < nelm; i++) {
932 cxstring c = pathelms[i];
933 if (c.length == 0) {
934 if (i == 0) {
935 c.length = 1;
936 }
937 else {
938 n--;
939 continue;
940 }
941 }
942
943 cxmutstr m = cx_strdup(c);
944 elms[j].name = m.ptr;
945 elms[j].name_len = m.length;
946
947 size_t elm_path_len = c.ptr + c.length - full_path;
948 cxmutstr elm_path = cx_strdup(cx_strn(full_path, elm_path_len));
949 elms[j].path = elm_path.ptr;
950 elms[j].path_len = elm_path.length;
951
952 j++;
953 }
954 *ret_nelm = n;
955
956 return elms;
957 } 521 }
958 522
959 static void pathbar_activate(void *data, char *path, int index) { 523 static void pathbar_activate(void *data, char *path, int index) {
960 UiEventData *event = data; 524 UiEventData *event = data;
961 UiEvent evt; 525 UiEvent evt;
979 // TODO: name 543 // TODO: name
980 544
981 545
982 PathBar *pathbar = CreatePathBar(parent, xargs, n); 546 PathBar *pathbar = CreatePathBar(parent, xargs, n);
983 if(!args->getpathelm) { 547 if(!args->getpathelm) {
984 pathbar->getpathelm= default_pathelm_func; 548 pathbar->getpathelm= ui_default_pathelm_func;
985 } else { 549 } else {
986 pathbar->getpathelm = args->getpathelm; 550 pathbar->getpathelm = args->getpathelm;
987 pathbar->getpathelmdata = args->getpathelmdata; 551 pathbar->getpathelmdata = args->getpathelmdata;
988 } 552 }
989 553
1016 pathbar->updateDirData = eventdata; 580 pathbar->updateDirData = eventdata;
1017 581
1018 XtAddCallback( 582 XtAddCallback(
1019 pathbar->widget, 583 pathbar->widget,
1020 XmNdestroyCallback, 584 XmNdestroyCallback,
1021 (XtCallbackProc)ui_destroy_eventdata, 585 (XtCallbackProc)ui_destroy_data,
1022 eventdata); 586 eventdata);
1023 } 587 }
1024 588
1025 XtAddCallback( 589 XtAddCallback(
1026 pathbar->widget, 590 pathbar->widget,

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