 Timestamp:
 Jan 17, 2008, 1:23:53 AM (17 years ago)
 Branches:
 master, barnowl_perlaim, debian, release1.10, release1.4, release1.5, release1.6, release1.7, release1.8, release1.9
 Children:
 b2c1bd4
 Parents:
 a8d5a39
 File:

 1 edited
Legend:
 Unmodified
 Added
 Removed

editwin.c
re0ffe77 r84027015 351 351 int _owl_editwin_linewrap_word(owl_editwin *e) 352 352 { 353 int i, z; 354 355 z = _owl_editwin_get_index_from_xy(e); 356 /* move back and line wrap the previous word */ 357 for (i = z  1; ; i) { 358 /* move back until you find a space or hit the beginning of the line */ 359 if (e>buff[i] == ' ') { 360 /* replace the space with a newline */ 361 e>buff[i] = '\n'; 362 e>buffy++; 363 e>buffx = z  i  1; 364 /* were we on the last line */ 365 return(0); 366 } else if (e>buff[i] == '\n'  i <= e>lock) { 367 /* we hit the beginning of the line or the buffer, we cannot 368 * wrap. 369 */ 370 return(1); 371 } 372 } 353 int x, y; 354 int i; 355 char *ptr1, *start; 356 gunichar c; 357 358 /* saving values */ 359 x = e>buffx; 360 y = e>buffy; 361 start = e>buff + e>lock; 362 363 ptr1 = e>buff + _owl_editwin_get_index_from_xy(e); 364 ptr1 = g_utf8_find_prev_char(start, ptr1); 365 366 while (ptr1) { 367 c = g_utf8_get_char(ptr1); 368 if (owl_util_can_break_after(c)) { 369 if (c != ' ') { 370 _owl_editwin_set_xy_by_index(e, ptr1  e>buff); 371 owl_editwin_key_right(e); 372 /* _owl_editwin_insert_bytes may move e>buff. */ 373 i = ptr1  e>buff; 374 _owl_editwin_insert_bytes(e,1); 375 ptr1 = e>buff + i; 376 } 377 *ptr1 = '\n'; 378 return 0; 379 } 380 ptr1 = g_utf8_find_prev_char(start, ptr1); 381 } 382 return 1; 373 383 } 374 384 … … 642 652 } 643 653 654 /* We assume x,y are not set to point to a midchar */ 655 gunichar _owl_editwin_get_char_at_xy(owl_editwin *e) 656 { 657 return g_utf8_get_char(e>buff + _owl_editwin_get_index_from_xy(e)); 658 } 659 660 644 661 void _owl_editwin_set_xy_by_index(owl_editwin *e, int index) 645 662 { … … 687 704 int x, i; 688 705 706 /* Find line */ 689 707 ptr1 = e>buff; 690 708 ptr2 = strchr(ptr1, '\n'); … … 694 712 } 695 713 ptr2 = ptr1; 714 715 /* Find char */ 696 716 x = 0; 697 717 while (ptr2 != NULL && x < e>buffx) { … … 701 721 ptr2 = g_utf8_next_char(ptr2); 702 722 } 723 724 /* calculate x offset */ 703 725 return x  e>buffx; 704 726 } … … 805 827 void owl_editwin_move_to_nextword(owl_editwin *e) 806 828 { 807 /* asedeno: needs fixing for utf8*/808 829 int i, x; 830 gunichar c = '\0'; 809 831 810 832 /* if we're starting on a space, find the first nonspace */ … … 819 841 } 820 842 821 /* find the next space, newline or end of line and go there, if 822 already at the end of the line, continue on to the next */ 823 i=owl_editwin_get_numchars_on_line(e, e>buffy); 843 /* find the next space, newline or end of line and go 844 there, if already at the end of the line, continue on to the next */ 845 i=owl_editwin_get_numcells_on_line(e, e>buffy); 846 c = _owl_editwin_get_char_at_xy(e); 824 847 if (e>buffx < i) { 825 848 /* move right till end of line */ 826 849 while (e>buffx < i) { 827 e>buffx++; 828 if (e>buff[_owl_editwin_get_index_from_xy(e)]==' ') return; 850 owl_editwin_key_right(e); 851 c = _owl_editwin_get_char_at_xy(e); 852 if (c == ' ') return; 829 853 if (e>buffx == i) return; 830 854 } … … 832 856 /* try to move down */ 833 857 if (e>style==OWL_EDITWIN_STYLE_MULTILINE) { 834 if (e>buffy+1 < 858 if (e>buffy+1 < owl_editwin_get_numlines(e)) { 835 859 e>buffx=0; 836 860 e>buffy++; … … 845 869 void owl_editwin_move_to_previousword(owl_editwin *e) 846 870 { 847 /* asedeno: needs fixing for utf8*/ 848 int i, x; 871 int i; 872 gunichar c; 873 char *ptr1, *ptr2; 849 874 850 875 /* are we already at the beginning of the word? */ 851 i=_owl_editwin_get_index_from_xy(e); 852 if ( (e>buff[i]!=' ' && e>buff[i]!='\n' && e>buff[i]!='\0') && 853 (e>buff[i1]==' '  e>buff[i1]=='\n') ) { 876 c = _owl_editwin_get_char_at_xy(e); 877 i = _owl_editwin_get_index_from_xy(e); 878 ptr1 = e>buff + i; 879 if (*ptr1 != ' ' && *ptr1 != '\n' && *ptr1 != '\0' ) { 880 ptr1 = g_utf8_find_prev_char(e>buff, ptr1); 881 c = g_utf8_get_char(ptr1); 882 if (c == ' '  c == '\n') { 883 owl_editwin_key_left(e); 884 } 885 } 886 887 /* are we starting on a space character? */ 888 i = _owl_editwin_get_index_from_xy(e); 889 while (e>buff[i] == ' '  e>buff[i] == '\n'  e>buff[i] == '\0') { 890 /* find the first nonspace */ 891 owl_editwin_key_left(e); 892 i = _owl_editwin_get_index_from_xy(e); 893 } 894 895 /* find the last nonspace */ 896 owl_editwin_key_left(e); 897 ptr1 = e>buff + _owl_editwin_get_index_from_xy(e); 898 while (ptr1 >= e>buff + e>lock) { 899 ptr2 = g_utf8_find_prev_char(e>buff, ptr1); 900 if (!ptr2) break; 901 902 c = g_utf8_get_char(ptr2); 903 if (c == ' '  c == '\n'){ 904 break; 905 } 854 906 owl_editwin_key_left(e); 855 } 856 857 /* are we starting on a space character? */ 858 i=_owl_editwin_get_index_from_xy(e); 859 if (e>buff[i]==' '  e>buff[i]=='\n'  e>buff[i]=='\0') { 860 /* find the first nonspace */ 861 for (x=i; x>=e>lock; x) { 862 if (e>buff[x]!=' ' && e>buff[x]!='\n' && e>buff[x]!='\0') { 863 _owl_editwin_set_xy_by_index(e, x); 864 break; 865 } 866 } 867 } 868 869 /* find the last nonspace */ 870 i=_owl_editwin_get_index_from_xy(e); 871 for (x=i; x>=e>lock; x) { 872 if (e>buff[x1]==' '  e>buff[x1]=='\n') { 873 _owl_editwin_set_xy_by_index(e, x); 874 break; 875 } 876 } 877 _owl_editwin_set_xy_by_index(e, x); 907 ptr1 = e>buff + _owl_editwin_get_index_from_xy(e); 908 } 878 909 } 879 910 … … 881 912 void owl_editwin_delete_nextword(owl_editwin *e) 882 913 { 883 /* asedeno: needs fixing for utf8*/884 int z;914 char *ptr1, *start; 915 gunichar c; 885 916 886 917 if (e>bufflen==0) return; 887 918 888 /* if we start out on a space character then gobble all the spaces 889 up first */ 890 while (1) { 891 z=_owl_editwin_get_index_from_xy(e); 892 if (e>buff[z]==' '  e>buff[z]=='\n') { 893 owl_editwin_delete_char(e); 894 } else { 895 break; 896 } 897 } 898 899 /* then nuke the next word */ 900 while (1) { 901 z=_owl_editwin_get_index_from_xy(e); 902 /* z == e>bufflen check added to prevent a hang I (nelhage) have 903 seen repeatedly while using owl. I'm not sure precisely what 904 conditions lead to it. */ 905 if (z == e>bufflen 906  e>buff[z+1]==' '  e>buff[z+1]=='\n'  e>buff[z+1]=='\0') break; 907 owl_editwin_delete_char(e); 908 } 909 owl_editwin_delete_char(e); 919 start = ptr1 = e>buff + _owl_editwin_get_index_from_xy(e); 920 /* if we start out on a space character then jump past all the 921 spaces up first */ 922 while (*ptr1 == ' '  *ptr1 == '\n') { 923 ++ptr1; 924 } 925 926 /* then jump past the next word */ 927 928 while (ptr1 && ptr1  e>buff < e>bufflen) { 929 c = g_utf8_get_char(ptr1); 930 if (c == ' '  c == '\n'  c == '\0') break; 931 ptr1 = g_utf8_find_next_char(ptr1, NULL); 932 } 933 934 if (ptr1) { /* We broke on a space, */ 935 ptr1 = g_utf8_find_next_char(ptr1, NULL); 936 if (ptr1) { /* and there's a character after it, */ 937 /* nuke everything back to our starting point. */ 938 _owl_editwin_remove_bytes(e, ptr1  start); 939 return; 940 } 941 } 942 943 /* If we get here, we ran out of string, drop what's left. */ 944 *start = '\0'; 945 e>bufflen = start  e>buff; 910 946 } 911 947 912 948 void owl_editwin_delete_previousword(owl_editwin *e) 913 949 { 914 /* asedeno: needs fixing for utf8*/915 950 /* go backwards to the last nonspace character, then delete chars */ 916 int i,startpos, endpos;951 int startpos, endpos; 917 952 918 953 startpos = _owl_editwin_get_index_from_xy(e); 919 954 owl_editwin_move_to_previousword(e); 920 955 endpos = _owl_editwin_get_index_from_xy(e); 921 for (i=0; i<startposendpos; i++) { 922 owl_editwin_delete_char(e); 923 } 956 _owl_editwin_remove_bytes(e, startposendpos); 924 957 } 925 958 926 959 void owl_editwin_delete_to_endofline(owl_editwin *e) 927 960 { 928 /* asedeno: needs fixing for utf8*/929 961 int i; 930 962 … … 987 1019 void owl_editwin_fill_paragraph(owl_editwin *e) 988 1020 { 989 /* asedeno: needs fixing for utf8*/990 1021 int i, save; 991 1022 … … 1018 1049 1019 1050 /* did we hit the end of a line too soon? */ 1051 /* asedeno: Here we replace a newline with a space. We may want to 1052 consider removing the space if the characters to either side 1053 are CJK ideograms.*/ 1020 1054 i = _owl_editwin_get_index_from_xy(e); 1021 1055 if (e>buff[i] == '\n' && e>buffx < e>fillcol  1) { … … 1031 1065 } else { 1032 1066 owl_editwin_delete_char(e); 1033 /* if we did this ahead of the save point, adjust it */ 1067 /* if we did this ahead of the save point, adjust it. Changing 1068 by one is fine here because we're only removing an ASCII 1069 space. */ 1034 1070 if (i < save) save; 1035 1071 }
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