[7d4fbcd] | 1 | #include "owl.h" |
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| 2 | #include <stdlib.h> |
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| 3 | #include <unistd.h> |
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| 4 | #include <string.h> |
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[10b866d] | 5 | #include <ctype.h> |
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[7d4fbcd] | 6 | |
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[1aee7d9] | 7 | static const char fileIdent[] = "$Id$"; |
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| 8 | |
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[a556caa] | 9 | struct _owl_editwin { /*noproto*/ |
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| 10 | char *buff; |
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| 11 | owl_history *hist; |
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| 12 | int bufflen; |
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| 13 | int allocated; |
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| 14 | int index; |
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| 15 | int goal_column; |
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| 16 | int topindex; |
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| 17 | int winlines, wincols, fillcol, wrapcol; |
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| 18 | WINDOW *curswin; |
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| 19 | int style; |
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| 20 | int lock; |
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| 21 | int dotsend; |
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| 22 | int echochar; |
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| 23 | |
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| 24 | char *command; |
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| 25 | void (*callback)(struct _owl_editwin*); |
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| 26 | void *cbdata; |
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| 27 | }; |
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| 28 | |
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| 29 | typedef struct { /*noproto*/ |
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| 30 | int index; |
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| 31 | int goal_column; |
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[a0fbdee] | 32 | int lock; |
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| 33 | } oe_excursion; |
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[a556caa] | 34 | |
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[e20d8179] | 35 | static void oe_reframe(owl_editwin *e); |
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[bab52da] | 36 | static void oe_save_excursion(owl_editwin *e, oe_excursion *x); |
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| 37 | static void oe_restore_excursion(owl_editwin *e, oe_excursion *x); |
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| 38 | static int oe_find_display_line(owl_editwin *e, int *x, int index); |
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| 39 | static int owl_editwin_limit_maxcols(int v, int maxv); |
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| 40 | static int owl_editwin_check_dotsend(owl_editwin *e); |
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| 41 | static int owl_editwin_is_char_in(owl_editwin *e, char *set); |
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| 42 | static gunichar owl_editwin_get_char_at_point(owl_editwin *e); |
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[5b5f3e6] | 43 | static void owl_editwin_replace(owl_editwin *e, int count, char *s); |
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| 44 | static int oe_count_glyphs(char *s); |
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[bab52da] | 45 | |
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[5b5f3e6] | 46 | #define INCR 4096 |
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[7d4fbcd] | 47 | |
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[a556caa] | 48 | #define WHITESPACE " \n\t" |
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| 49 | |
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[bab52da] | 50 | owl_editwin *owl_editwin_allocate(void) |
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| 51 | { |
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[a556caa] | 52 | return owl_malloc(sizeof(owl_editwin)); |
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| 53 | } |
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| 54 | |
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[5b5f3e6] | 55 | static int oe_count_glyphs(char *s) |
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| 56 | { |
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| 57 | int count = 0; |
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| 58 | char *p; |
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| 59 | |
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| 60 | for(p = s; *p != 0; p = g_utf8_find_next_char(p, NULL)) |
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| 61 | if (!g_unichar_ismark(g_utf8_get_char(p))) |
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| 62 | count++; |
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| 63 | |
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| 64 | return count; |
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| 65 | } |
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| 66 | |
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[bab52da] | 67 | static inline void oe_set_index(owl_editwin *e, int index) |
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| 68 | { |
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[521bc84] | 69 | e->index = index; |
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| 70 | e->goal_column = -1; |
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| 71 | } |
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| 72 | |
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[cf83b7a] | 73 | /* initialize the editwin e. |
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| 74 | * 'win' is an already initialzed curses window that will be used by editwin |
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| 75 | */ |
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[c9334b1] | 76 | void owl_editwin_init(owl_editwin *e, WINDOW *win, int winlines, int wincols, int style, owl_history *hist) |
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| 77 | { |
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[e20d8179] | 78 | e->buff=owl_malloc(INCR); |
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[7d4fbcd] | 79 | e->buff[0]='\0'; |
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| 80 | e->bufflen=0; |
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[10b866d] | 81 | e->hist=hist; |
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[7d4fbcd] | 82 | e->allocated=INCR; |
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[521bc84] | 83 | oe_set_index(e, 0); |
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[a556caa] | 84 | e->goal_column = -1; |
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| 85 | e->topindex=0; |
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[7d4fbcd] | 86 | e->winlines=winlines; |
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| 87 | e->wincols=wincols; |
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[9a6cc40] | 88 | e->fillcol=owl_editwin_limit_maxcols(wincols-7, owl_global_get_edit_maxfillcols(&g)); |
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| 89 | e->wrapcol=owl_editwin_limit_maxcols(wincols-7, owl_global_get_edit_maxwrapcols(&g)); |
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[7d4fbcd] | 90 | e->curswin=win; |
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| 91 | e->style=style; |
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| 92 | if ((style!=OWL_EDITWIN_STYLE_MULTILINE) && |
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| 93 | (style!=OWL_EDITWIN_STYLE_ONELINE)) { |
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| 94 | e->style=OWL_EDITWIN_STYLE_MULTILINE; |
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| 95 | } |
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| 96 | e->lock=0; |
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| 97 | e->dotsend=0; |
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[c9334b1] | 98 | e->echochar='\0'; |
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[e74c01c] | 99 | |
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[af1920fd] | 100 | /* We get initialized multiple times, but we need to hold on to |
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| 101 | the callbacks, so we can't NULL them here. */ |
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[e74c01c] | 102 | /* |
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| 103 | e->command = NULL; |
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| 104 | e->callback = NULL; |
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| 105 | e->cbdata = NULL; |
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| 106 | */ |
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[7d4fbcd] | 107 | if (win) werase(win); |
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| 108 | } |
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| 109 | |
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[c9334b1] | 110 | void owl_editwin_set_curswin(owl_editwin *e, WINDOW *w, int winlines, int wincols) |
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| 111 | { |
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[7d4fbcd] | 112 | e->curswin=w; |
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| 113 | e->winlines=winlines; |
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| 114 | e->wincols=wincols; |
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[9a6cc40] | 115 | e->fillcol=owl_editwin_limit_maxcols(wincols-7, owl_global_get_edit_maxfillcols(&g)); |
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| 116 | e->wrapcol=owl_editwin_limit_maxcols(wincols-7, owl_global_get_edit_maxwrapcols(&g)); |
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[7d4fbcd] | 117 | } |
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| 118 | |
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[c9334b1] | 119 | /* echo the character 'ch' for each normal character keystroke, |
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| 120 | * excepting locktext. This is useful for entering passwords etc. If |
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| 121 | * ch=='\0' characters are echo'd normally |
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| 122 | */ |
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| 123 | void owl_editwin_set_echochar(owl_editwin *e, int ch) |
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| 124 | { |
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| 125 | e->echochar=ch; |
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| 126 | } |
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| 127 | |
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| 128 | WINDOW *owl_editwin_get_curswin(owl_editwin *e) |
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| 129 | { |
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[060b3b4] | 130 | return(e->curswin); |
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[7d4fbcd] | 131 | } |
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| 132 | |
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[c9334b1] | 133 | owl_history *owl_editwin_get_history(owl_editwin *e) |
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| 134 | { |
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[060b3b4] | 135 | return(e->hist); |
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[10b866d] | 136 | } |
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| 137 | |
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[c9334b1] | 138 | void owl_editwin_set_dotsend(owl_editwin *e) |
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| 139 | { |
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[7d4fbcd] | 140 | e->dotsend=1; |
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| 141 | } |
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| 142 | |
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[bab52da] | 143 | void owl_editwin_set_command(owl_editwin *e, char *command) |
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| 144 | { |
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[e74c01c] | 145 | if(e->command) owl_free(e->command); |
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| 146 | e->command = owl_strdup(command); |
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| 147 | } |
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| 148 | |
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[bab52da] | 149 | char *owl_editwin_get_command(owl_editwin *e) |
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| 150 | { |
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[e74c01c] | 151 | if(e->command) return e->command; |
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| 152 | return ""; |
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| 153 | } |
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| 154 | |
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[bab52da] | 155 | void owl_editwin_set_callback(owl_editwin *e, void (*cb)(owl_editwin*)) |
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| 156 | { |
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[e74c01c] | 157 | e->callback = cb; |
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| 158 | } |
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| 159 | |
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[bab52da] | 160 | void (*owl_editwin_get_callback(owl_editwin *e))(owl_editwin*) |
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| 161 | { |
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[e74c01c] | 162 | return e->callback; |
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| 163 | } |
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| 164 | |
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[bab52da] | 165 | void owl_editwin_set_cbdata(owl_editwin *e, void *data) |
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| 166 | { |
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[e74c01c] | 167 | e->cbdata = data; |
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| 168 | } |
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| 169 | |
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[a556caa] | 170 | void *owl_editwin_get_cbdata(owl_editwin *e) { |
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[e74c01c] | 171 | return e->cbdata; |
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| 172 | } |
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| 173 | |
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| 174 | void owl_editwin_do_callback(owl_editwin *e) { |
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| 175 | void (*cb)(owl_editwin*); |
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| 176 | cb=owl_editwin_get_callback(e); |
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| 177 | if(!cb) { |
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| 178 | owl_function_error("Internal error: No editwin callback!"); |
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| 179 | } else { |
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[af1920fd] | 180 | /* owl_function_error("text: |%s|", owl_editwin_get_text(e)); */ |
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[e74c01c] | 181 | cb(e); |
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| 182 | } |
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| 183 | } |
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| 184 | |
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[bab52da] | 185 | static int owl_editwin_limit_maxcols(int v, int maxv) |
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[c9334b1] | 186 | { |
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[d36f2cb] | 187 | if (maxv > 5 && v > maxv) { |
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[060b3b4] | 188 | return(maxv); |
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[d36f2cb] | 189 | } else { |
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[060b3b4] | 190 | return(v); |
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[d36f2cb] | 191 | } |
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| 192 | } |
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| 193 | |
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[c9334b1] | 194 | /* set text to be 'locked in' at the beginning of the buffer, any |
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| 195 | * previous text (including locked text) will be overwritten |
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| 196 | */ |
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| 197 | void owl_editwin_set_locktext(owl_editwin *e, char *text) |
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| 198 | { |
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[521bc84] | 199 | oe_set_index(e, 0); |
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[5b5f3e6] | 200 | e->lock = 0; |
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| 201 | owl_editwin_replace(e, e->bufflen, text); |
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| 202 | e->buff[e->bufflen] = 0; |
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| 203 | e->lock=e->bufflen; |
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[521bc84] | 204 | oe_set_index(e, e->lock); |
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[7d4fbcd] | 205 | owl_editwin_redisplay(e, 0); |
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| 206 | } |
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| 207 | |
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[c9334b1] | 208 | int owl_editwin_get_style(owl_editwin *e) |
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| 209 | { |
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[7d4fbcd] | 210 | return(e->style); |
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| 211 | } |
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| 212 | |
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[c9334b1] | 213 | void owl_editwin_new_style(owl_editwin *e, int newstyle, owl_history *h) |
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| 214 | { |
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[98f1e69] | 215 | e->hist = h; |
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| 216 | |
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[7d4fbcd] | 217 | if (e->style==newstyle) return; |
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| 218 | |
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| 219 | if (newstyle==OWL_EDITWIN_STYLE_MULTILINE) { |
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| 220 | e->style=newstyle; |
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| 221 | } else if (newstyle==OWL_EDITWIN_STYLE_ONELINE) { |
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| 222 | e->style=newstyle; |
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| 223 | |
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| 224 | /* nuke everything after the first line */ |
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[5b5f3e6] | 225 | owl_editwin_move_to_top(e); |
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| 226 | owl_editwin_move_to_end_of_line(e); |
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| 227 | owl_editwin_replace(e, oe_count_glyphs(e->buff + e->index), ""); |
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[7d4fbcd] | 228 | } |
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| 229 | } |
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| 230 | |
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[c9334b1] | 231 | /* completly reinitialize the buffer */ |
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| 232 | void owl_editwin_fullclear(owl_editwin *e) |
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| 233 | { |
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[7d4fbcd] | 234 | owl_free(e->buff); |
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[10b866d] | 235 | owl_editwin_init(e, e->curswin, e->winlines, e->wincols, e->style, e->hist); |
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[7d4fbcd] | 236 | } |
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| 237 | |
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[c9334b1] | 238 | /* clear all text except for locktext and put the cursor at the |
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| 239 | * beginning |
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| 240 | */ |
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| 241 | void owl_editwin_clear(owl_editwin *e) |
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| 242 | { |
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| 243 | |
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[6073462] | 244 | int lock = e->lock; |
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[10b866d] | 245 | int dotsend=e->dotsend; |
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[7d4fbcd] | 246 | char *locktext=NULL; |
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[cc6f009] | 247 | char echochar=e->echochar; |
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[10b866d] | 248 | |
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[6073462] | 249 | if (lock > 0) { |
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[5b5f3e6] | 250 | locktext = owl_malloc(lock+1); |
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| 251 | strncpy(locktext, e->buff, lock); |
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| 252 | locktext[lock] = 0; |
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[7d4fbcd] | 253 | } |
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| 254 | |
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| 255 | owl_free(e->buff); |
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[10b866d] | 256 | owl_editwin_init(e, e->curswin, e->winlines, e->wincols, e->style, e->hist); |
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[7d4fbcd] | 257 | |
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| 258 | if (lock > 0) { |
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| 259 | owl_editwin_set_locktext(e, locktext); |
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| 260 | } |
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[10b866d] | 261 | if (dotsend) { |
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| 262 | owl_editwin_set_dotsend(e); |
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| 263 | } |
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[cc6f009] | 264 | if (echochar) { |
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| 265 | owl_editwin_set_echochar(e, echochar); |
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| 266 | } |
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[7d4fbcd] | 267 | |
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[5b5f3e6] | 268 | if (locktext) |
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| 269 | owl_free(locktext); |
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[6073462] | 270 | |
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[521bc84] | 271 | oe_set_index(e, lock); |
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[7d4fbcd] | 272 | } |
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| 273 | |
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[c9334b1] | 274 | void owl_editwin_recenter(owl_editwin *e) |
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| 275 | { |
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[a556caa] | 276 | e->topindex = -1; |
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| 277 | } |
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[e20d8179] | 278 | |
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[a0fbdee] | 279 | static void oe_save_excursion(owl_editwin *e, oe_excursion *x) |
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| 280 | { |
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| 281 | x->index = e->index; |
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| 282 | x->goal_column = e->goal_column; |
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| 283 | x->lock = e->lock; |
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| 284 | } |
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| 285 | |
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| 286 | static void oe_restore_excursion(owl_editwin *e, oe_excursion *x) |
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| 287 | { |
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[521bc84] | 288 | oe_set_index(e, x->index); |
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[a0fbdee] | 289 | e->goal_column = x->goal_column; |
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| 290 | e->lock = x->lock; |
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| 291 | } |
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| 292 | |
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[e20d8179] | 293 | static inline char *oe_next_point(owl_editwin *e, char *p) |
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| 294 | { |
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| 295 | char *boundary = e->buff + e->bufflen + 1; |
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| 296 | char *q; |
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| 297 | |
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| 298 | q = g_utf8_find_next_char(p, boundary); |
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| 299 | while (q && g_unichar_ismark(g_utf8_get_char(q))) |
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| 300 | q = g_utf8_find_next_char(q, boundary); |
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| 301 | |
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| 302 | if (q == p) |
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| 303 | return NULL; |
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| 304 | return q; |
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| 305 | } |
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| 306 | |
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| 307 | static inline char *oe_prev_point(owl_editwin *e, char *p) |
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| 308 | { |
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| 309 | char *boundary = e->buff + e->lock; |
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| 310 | |
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| 311 | p = g_utf8_find_prev_char(boundary, p); |
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| 312 | while (p && g_unichar_ismark(g_utf8_get_char(p))) |
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| 313 | p = g_utf8_find_prev_char(boundary, p); |
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| 314 | |
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| 315 | return p; |
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| 316 | } |
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| 317 | |
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[19f765d] | 318 | static int oe_find_display_line(owl_editwin *e, int *x, int index) |
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| 319 | { |
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| 320 | int width = 0, cw; |
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| 321 | gunichar c = -1; |
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| 322 | char *p; |
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| 323 | |
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[77d4402] | 324 | while(1) { |
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| 325 | /* note the position of the dot */ |
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[2021bea] | 326 | if (x != NULL && index == e->index && width < e->wincols) |
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[19f765d] | 327 | *x = width; |
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[77d4402] | 328 | |
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[19f765d] | 329 | /* get the current character */ |
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| 330 | c = g_utf8_get_char(e->buff + index); |
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| 331 | |
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| 332 | /* figure out how wide it is */ |
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| 333 | if (c == 9) /* TAB */ |
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| 334 | cw = TABSIZE - width % TABSIZE; |
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| 335 | else |
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| 336 | cw = mk_wcwidth(c); |
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| 337 | if (cw < 0) /* control characters */ |
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| 338 | cw = 0; |
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| 339 | |
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[77d4402] | 340 | if (width + cw > e->wincols) { |
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| 341 | if (x != NULL && *x == width) |
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| 342 | *x = -1; |
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[19f765d] | 343 | break; |
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[77d4402] | 344 | } |
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[19f765d] | 345 | width += cw; |
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| 346 | |
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| 347 | if (c == '\n') { |
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[77d4402] | 348 | if (width < e->wincols) |
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| 349 | ++index; /* skip the newline */ |
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[19f765d] | 350 | break; |
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| 351 | } |
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| 352 | |
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| 353 | /* find the next character */ |
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| 354 | p = oe_next_point(e, e->buff + index); |
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| 355 | if (p == NULL) { /* we ran off the end */ |
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| 356 | if (x != NULL && e->index > index) |
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| 357 | *x = width + 1; |
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| 358 | break; |
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| 359 | } |
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| 360 | index = p - e->buff; |
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[cedc95c] | 361 | |
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[19f765d] | 362 | } |
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| 363 | return index; |
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| 364 | } |
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| 365 | |
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[e20d8179] | 366 | static void oe_reframe(owl_editwin *e) { |
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[cedc95c] | 367 | oe_excursion x; |
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| 368 | int goal = e->winlines / 2; |
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| 369 | int index; |
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| 370 | int count = 0; |
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| 371 | int point; |
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| 372 | int n, i; |
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| 373 | int last; |
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| 374 | |
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| 375 | oe_save_excursion(e, &x); |
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| 376 | /* step back line-by-line through the buffer until we have >= goal lines of |
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| 377 | display text */ |
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| 378 | e->lock = 0; /* we can (must) tread on the locktext */ |
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| 379 | |
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| 380 | point = e->index; |
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| 381 | last = -1; |
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| 382 | while (count < goal) { |
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| 383 | index = e->index; |
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| 384 | owl_editwin_move_to_beginning_of_line(e); |
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| 385 | if (last == e->index) |
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| 386 | break; |
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| 387 | last = e->index; |
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| 388 | for (n = 0, i = e->index; i < index; n++) |
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| 389 | i = oe_find_display_line(e, NULL, i); |
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| 390 | count += n == 0 ? 1 : n; |
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| 391 | if (count < goal) |
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| 392 | owl_editwin_point_move(e, -1); |
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| 393 | } |
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| 394 | |
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| 395 | e->topindex = e->index; |
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[521bc84] | 396 | /* if we overshot, backtrack */ |
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| 397 | for (n = 0; n < (count - goal); n++) |
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| 398 | e->topindex = oe_find_display_line(e, NULL, e->topindex); |
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[cedc95c] | 399 | |
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| 400 | oe_restore_excursion(e, &x); |
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[7d4fbcd] | 401 | } |
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| 402 | |
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[c9334b1] | 403 | /* regenerate the text on the curses window */ |
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| 404 | /* if update == 1 then do a doupdate(), otherwise do not */ |
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| 405 | void owl_editwin_redisplay(owl_editwin *e, int update) |
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| 406 | { |
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[19f765d] | 407 | int x = -1, y = -1, t; |
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[77d4402] | 408 | int line, index, lineindex, times = 0; |
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[7d4fbcd] | 409 | |
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[bd1a1ae] | 410 | do { |
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[cedc95c] | 411 | werase(e->curswin); |
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| 412 | |
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[bd1a1ae] | 413 | if (e->topindex == -1 || e->index < e->topindex) |
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[e20d8179] | 414 | oe_reframe(e); |
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| 415 | |
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[bd1a1ae] | 416 | line = 0; |
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| 417 | index = e->topindex; |
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| 418 | while(line < e->winlines) { |
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| 419 | lineindex = index; |
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[19f765d] | 420 | t = -1; |
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| 421 | index = oe_find_display_line(e, &t, lineindex); |
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| 422 | if (x == -1 && t != -1) |
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| 423 | x = t, y = line; |
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[bd1a1ae] | 424 | if (index - lineindex) |
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| 425 | mvwaddnstr(e->curswin, line, 0, |
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| 426 | e->buff + lineindex, |
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| 427 | index - lineindex); |
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| 428 | line++; |
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[a556caa] | 429 | } |
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[19f765d] | 430 | if (x == -1) |
---|
[bd1a1ae] | 431 | e->topindex = -1; /* force a reframe */ |
---|
[77d4402] | 432 | times++; |
---|
| 433 | } while(x == -1 && times < 3); |
---|
[e20d8179] | 434 | |
---|
[19f765d] | 435 | wmove(e->curswin, y, x); |
---|
[7d4fbcd] | 436 | wnoutrefresh(e->curswin); |
---|
[a556caa] | 437 | if (update == 1) |
---|
[7d4fbcd] | 438 | doupdate(); |
---|
| 439 | } |
---|
| 440 | |
---|
[5b5f3e6] | 441 | static void owl_editwin_replace(owl_editwin *e, int replace, char *s) |
---|
| 442 | { /* replace count characters at the point with s */ |
---|
| 443 | int start, end, i, free, need, size; |
---|
| 444 | char *p; |
---|
[e9bb404] | 445 | |
---|
[5b5f3e6] | 446 | if (!g_utf8_validate(s, -1, NULL)) { |
---|
| 447 | owl_function_debugmsg("owl_editwin_insert_string: received non-utf-8 string."); |
---|
| 448 | return; |
---|
[47519e1b] | 449 | } |
---|
| 450 | |
---|
[5b5f3e6] | 451 | start = e->index; |
---|
| 452 | for (i = 0, p = e->buff + start; i < replace && p != NULL; i++) |
---|
| 453 | p = oe_next_point(e, p); |
---|
| 454 | if (p != NULL) |
---|
| 455 | end = p - e->buff; |
---|
| 456 | else |
---|
| 457 | end = e->bufflen; |
---|
| 458 | |
---|
| 459 | free = e->allocated - e->bufflen + end - start; |
---|
| 460 | |
---|
| 461 | need = strlen(s) - free; |
---|
| 462 | if (need > 0) { |
---|
| 463 | size = e->allocated + need + INCR - (need % INCR); |
---|
| 464 | p = realloc(e->buff, size); |
---|
| 465 | if (p == NULL) { |
---|
| 466 | /* XXX signal impending doom somehow and don't do anything */ |
---|
| 467 | return; |
---|
[e9bb404] | 468 | } |
---|
[5b5f3e6] | 469 | e->buff = p; |
---|
| 470 | e->allocated = size; |
---|
[47519e1b] | 471 | } |
---|
[e9bb404] | 472 | |
---|
[5b5f3e6] | 473 | memmove(e->buff + start + strlen(s), e->buff + end, e->bufflen + 1 - end); |
---|
| 474 | memcpy(e->buff + start, s, strlen(s)); |
---|
| 475 | e->bufflen += start - end + strlen(s); |
---|
| 476 | e->index += strlen(s); |
---|
[47519e1b] | 477 | } |
---|
| 478 | |
---|
[5b5f3e6] | 479 | #if 0 /*XXX*/ |
---|
[c9334b1] | 480 | /* linewrap the word just before the cursor. |
---|
| 481 | * returns 0 on success |
---|
| 482 | * returns -1 if we could not wrap. |
---|
| 483 | */ |
---|
[5b5f3e6] | 484 | static int _owl_editwin_linewrap_word(owl_editwin *e) |
---|
[c9334b1] | 485 | { |
---|
[84027015] | 486 | int i; |
---|
| 487 | char *ptr1, *start; |
---|
| 488 | gunichar c; |
---|
[7d4fbcd] | 489 | |
---|
[84027015] | 490 | start = e->buff + e->lock; |
---|
| 491 | |
---|
[a556caa] | 492 | ptr1 = e->buff + e->index; |
---|
[84027015] | 493 | ptr1 = g_utf8_find_prev_char(start, ptr1); |
---|
| 494 | |
---|
| 495 | while (ptr1) { |
---|
| 496 | c = g_utf8_get_char(ptr1); |
---|
| 497 | if (owl_util_can_break_after(c)) { |
---|
| 498 | if (c != ' ') { |
---|
| 499 | i = ptr1 - e->buff; |
---|
[521bc84] | 500 | oe_set_index(e, i); |
---|
[b2c1bd4] | 501 | _owl_editwin_insert_bytes(e, 1); |
---|
| 502 | /* _owl_editwin_insert_bytes may move e->buff. */ |
---|
[84027015] | 503 | ptr1 = e->buff + i; |
---|
| 504 | } |
---|
| 505 | *ptr1 = '\n'; |
---|
| 506 | return 0; |
---|
[7d4fbcd] | 507 | } |
---|
[2d4ff14] | 508 | else if (c == '\n') { |
---|
| 509 | return 0; |
---|
| 510 | } |
---|
[84027015] | 511 | ptr1 = g_utf8_find_prev_char(start, ptr1); |
---|
[7d4fbcd] | 512 | } |
---|
[84027015] | 513 | return -1; |
---|
[7d4fbcd] | 514 | } |
---|
[a556caa] | 515 | #endif |
---|
[7d4fbcd] | 516 | |
---|
[c9334b1] | 517 | /* delete the character at the current point, following chars |
---|
| 518 | * shift left. |
---|
[e20d8179] | 519 | */ |
---|
[c9334b1] | 520 | void owl_editwin_delete_char(owl_editwin *e) |
---|
| 521 | { |
---|
[5b5f3e6] | 522 | owl_editwin_replace(e, 1, ""); |
---|
[7d4fbcd] | 523 | } |
---|
| 524 | |
---|
[c9334b1] | 525 | /* Swap the character at point with the character at point-1 and |
---|
| 526 | * advance the pointer. If point is at beginning of buffer do |
---|
| 527 | * nothing. If point is after the last character swap point-1 with |
---|
[e20d8179] | 528 | * point-2. (Behaves as observed in tcsh and emacs). |
---|
[c9334b1] | 529 | */ |
---|
| 530 | void owl_editwin_transpose_chars(owl_editwin *e) |
---|
| 531 | { |
---|
[5b5f3e6] | 532 | char *middle, *end, *start, *tmp; |
---|
[f2e36b5] | 533 | |
---|
[47519e1b] | 534 | if (e->bufflen == 0) return; |
---|
[e20d8179] | 535 | |
---|
[5b5f3e6] | 536 | if (e->index == e->bufflen) |
---|
| 537 | owl_editwin_point_move(e, -1); /* point is after last character */ |
---|
[f2e36b5] | 538 | |
---|
[5b5f3e6] | 539 | if (owl_editwin_at_beginning_of_buffer(e)) |
---|
| 540 | return; /* point is at beginning of buffer, do nothing */ |
---|
[f2e36b5] | 541 | |
---|
[47519e1b] | 542 | /* Transpose two utf-8 unicode glyphs. */ |
---|
[5b5f3e6] | 543 | middle = e->buff + e->index; |
---|
[47519e1b] | 544 | |
---|
[5b5f3e6] | 545 | end = oe_next_point(e, middle); |
---|
| 546 | if (end == NULL) |
---|
[e20d8179] | 547 | return; |
---|
[47519e1b] | 548 | |
---|
[5b5f3e6] | 549 | start = oe_prev_point(e, middle); |
---|
| 550 | if (start == NULL) |
---|
[e20d8179] | 551 | return; |
---|
[47519e1b] | 552 | |
---|
[5b5f3e6] | 553 | tmp = owl_malloc((end - start) + 1); |
---|
| 554 | tmp[(end - start)] = 0; |
---|
| 555 | memcpy(tmp, middle, end - middle); |
---|
| 556 | memcpy(tmp + (end - middle), start, middle - start); |
---|
| 557 | |
---|
| 558 | owl_editwin_point_move(e, -1); |
---|
| 559 | owl_editwin_replace(e, 2, tmp); |
---|
[f2e36b5] | 560 | } |
---|
| 561 | |
---|
[c9334b1] | 562 | /* insert 'string' at the current point, later text is shifted |
---|
| 563 | * right |
---|
| 564 | */ |
---|
[5b5f3e6] | 565 | void owl_editwin_insert_string(owl_editwin *e, char *s) |
---|
[c9334b1] | 566 | { |
---|
[5b5f3e6] | 567 | owl_editwin_replace(e, 0, s); |
---|
[7d4fbcd] | 568 | } |
---|
| 569 | |
---|
[a556caa] | 570 | /* We assume index is not set to point to a mid-char */ |
---|
[bab52da] | 571 | static gunichar owl_editwin_get_char_at_point(owl_editwin *e) |
---|
[c9334b1] | 572 | { |
---|
[a556caa] | 573 | return g_utf8_get_char(e->buff + e->index); |
---|
| 574 | } |
---|
[7d4fbcd] | 575 | |
---|
[e20d8179] | 576 | int owl_editwin_point_move(owl_editwin *e, int delta) |
---|
[84027015] | 577 | { |
---|
[e20d8179] | 578 | char *p; |
---|
[19f765d] | 579 | int change, d = 0; |
---|
[a556caa] | 580 | |
---|
| 581 | change = MAX(delta, - delta); |
---|
| 582 | p = e->buff + e->index; |
---|
| 583 | |
---|
| 584 | while (d < change && p != NULL) { |
---|
[e20d8179] | 585 | if (delta > 0) |
---|
| 586 | p = oe_next_point(e, p); |
---|
| 587 | else |
---|
| 588 | p = oe_prev_point(e, p); |
---|
| 589 | if (p != NULL) { |
---|
[521bc84] | 590 | oe_set_index(e, p - e->buff); |
---|
[e20d8179] | 591 | d++; |
---|
[a556caa] | 592 | } |
---|
| 593 | } |
---|
| 594 | |
---|
| 595 | return delta > 0 ? d : -d; |
---|
[84027015] | 596 | } |
---|
| 597 | |
---|
[a556caa] | 598 | int owl_editwin_at_beginning_of_buffer(owl_editwin *e) { |
---|
| 599 | if (e->index == e->lock) |
---|
| 600 | return 1; |
---|
[84027015] | 601 | |
---|
[a556caa] | 602 | return 0; |
---|
| 603 | } |
---|
| 604 | |
---|
| 605 | int owl_at_end_of_buffer(owl_editwin *e) { |
---|
| 606 | if (e->index == e->bufflen) |
---|
| 607 | return 1; |
---|
| 608 | |
---|
| 609 | return 0; |
---|
| 610 | } |
---|
| 611 | |
---|
| 612 | int owl_editwin_at_beginning_of_line(owl_editwin *e) /*noproto*/ |
---|
[c9334b1] | 613 | { |
---|
[a0fbdee] | 614 | oe_excursion x; |
---|
[a556caa] | 615 | int ret; |
---|
[47519e1b] | 616 | |
---|
[a556caa] | 617 | if (owl_editwin_at_beginning_of_buffer(e)) |
---|
| 618 | return 1; |
---|
[47519e1b] | 619 | |
---|
[a0fbdee] | 620 | oe_save_excursion(e, &x); |
---|
[a556caa] | 621 | owl_editwin_point_move(e, -1); |
---|
[bab52da] | 622 | ret = (owl_editwin_get_char_at_point(e) == '\n'); |
---|
[a0fbdee] | 623 | oe_restore_excursion(e, &x); |
---|
[a556caa] | 624 | |
---|
| 625 | return ret; |
---|
| 626 | } |
---|
| 627 | |
---|
[e20d8179] | 628 | static int owl_editwin_is_char_in(owl_editwin *e, char *set) |
---|
[a556caa] | 629 | { |
---|
| 630 | char *p; |
---|
[5b5f3e6] | 631 | |
---|
| 632 | for (p = set; *p != 0; p = g_utf8_find_next_char(p, NULL)) |
---|
| 633 | if (owl_editwin_get_char_at_point(e) == g_utf8_get_char(p)) |
---|
[a556caa] | 634 | return 1; |
---|
| 635 | return 0; |
---|
| 636 | } |
---|
| 637 | |
---|
[e20d8179] | 638 | int owl_editwin_move_if_in(owl_editwin *e, int delta, char *set) |
---|
[a556caa] | 639 | { |
---|
| 640 | int change, distance = 0; |
---|
[e20d8179] | 641 | while (owl_editwin_is_char_in(e, set)) { |
---|
[a556caa] | 642 | change = owl_editwin_point_move(e, delta); |
---|
| 643 | distance += change; |
---|
| 644 | if (change == 0) |
---|
| 645 | break; |
---|
[47519e1b] | 646 | } |
---|
[a556caa] | 647 | return distance; |
---|
| 648 | } |
---|
| 649 | |
---|
[e20d8179] | 650 | int owl_editwin_move_if_not_in(owl_editwin *e, int delta, char *set) |
---|
[a556caa] | 651 | { |
---|
| 652 | int change, distance = 0; |
---|
[e20d8179] | 653 | while (!owl_editwin_is_char_in(e, set)) { |
---|
[a556caa] | 654 | change = owl_editwin_point_move(e, delta); |
---|
| 655 | distance += change; |
---|
| 656 | if (change == 0) |
---|
| 657 | break; |
---|
[7d4fbcd] | 658 | } |
---|
[a556caa] | 659 | return distance; |
---|
[7d4fbcd] | 660 | } |
---|
| 661 | |
---|
[e20d8179] | 662 | int owl_editwin_move_to_beginning_of_line(owl_editwin *e) |
---|
[47519e1b] | 663 | { |
---|
[a556caa] | 664 | int distance = 0; |
---|
[47519e1b] | 665 | |
---|
[a556caa] | 666 | if (!owl_editwin_at_beginning_of_line(e)) { |
---|
| 667 | /* move off the \n if were at the end of a line */ |
---|
| 668 | distance += owl_editwin_point_move(e, -1); |
---|
| 669 | distance += owl_editwin_move_if_not_in(e, -1, "\n"); |
---|
| 670 | if (distance && !owl_editwin_at_beginning_of_buffer(e)) |
---|
| 671 | distance += owl_editwin_point_move(e, 1); |
---|
[47519e1b] | 672 | } |
---|
[77d4402] | 673 | e->goal_column = 0; /* subtleties */ |
---|
[84027015] | 674 | |
---|
[a556caa] | 675 | return distance; |
---|
| 676 | } |
---|
[e20d8179] | 677 | |
---|
| 678 | int owl_editwin_move_to_end_of_line(owl_editwin *e) |
---|
[a556caa] | 679 | { |
---|
| 680 | return owl_editwin_move_if_not_in(e, 1, "\n"); |
---|
[47519e1b] | 681 | } |
---|
| 682 | |
---|
[e20d8179] | 683 | int owl_editwin_line_move(owl_editwin *e, int delta) |
---|
[c9334b1] | 684 | { |
---|
[d7043b4] | 685 | int goal_column, change, ll, distance; |
---|
| 686 | int count = 0; |
---|
[a556caa] | 687 | |
---|
| 688 | change = MAX(delta, -delta); |
---|
| 689 | |
---|
[d7043b4] | 690 | goal_column = e->goal_column; |
---|
| 691 | distance = owl_editwin_move_to_beginning_of_line(e); |
---|
| 692 | goal_column = goal_column == -1 ? -distance : goal_column; |
---|
[a556caa] | 693 | |
---|
| 694 | while(count < change) { |
---|
| 695 | if (delta > 0) { |
---|
| 696 | distance += owl_editwin_move_if_not_in(e, 1, "\n"); |
---|
| 697 | distance += owl_editwin_point_move(e, 1); |
---|
| 698 | } else { |
---|
| 699 | /* I really want to assert delta < 0 here */ |
---|
| 700 | distance += owl_editwin_point_move(e, -1); /* to the newline on |
---|
| 701 | the previous line */ |
---|
| 702 | distance += owl_editwin_move_to_beginning_of_line(e); |
---|
| 703 | } |
---|
| 704 | count++; |
---|
[7d4fbcd] | 705 | } |
---|
[a556caa] | 706 | |
---|
| 707 | distance += (ll = owl_editwin_move_to_end_of_line(e)); |
---|
| 708 | if (ll > goal_column) |
---|
| 709 | distance += owl_editwin_point_move(e, goal_column - ll); |
---|
| 710 | |
---|
| 711 | e->goal_column = goal_column; |
---|
| 712 | |
---|
| 713 | return distance; |
---|
[7d4fbcd] | 714 | } |
---|
| 715 | |
---|
[c9334b1] | 716 | void owl_editwin_backspace(owl_editwin *e) |
---|
| 717 | { |
---|
[7d4fbcd] | 718 | /* delete the char before the current one |
---|
| 719 | * and shift later chars left |
---|
| 720 | */ |
---|
[a556caa] | 721 | if(owl_editwin_point_move(e, -1)) |
---|
[7d4fbcd] | 722 | owl_editwin_delete_char(e); |
---|
| 723 | } |
---|
| 724 | |
---|
[c9334b1] | 725 | void owl_editwin_key_up(owl_editwin *e) |
---|
| 726 | { |
---|
[a556caa] | 727 | owl_editwin_line_move(e, -1); |
---|
[7d4fbcd] | 728 | } |
---|
| 729 | |
---|
[c9334b1] | 730 | void owl_editwin_key_down(owl_editwin *e) |
---|
| 731 | { |
---|
[a556caa] | 732 | owl_editwin_line_move(e, 1); |
---|
[7d4fbcd] | 733 | } |
---|
| 734 | |
---|
[c9334b1] | 735 | void owl_editwin_key_left(owl_editwin *e) |
---|
| 736 | { |
---|
[a556caa] | 737 | owl_editwin_point_move(e, -1); |
---|
[7d4fbcd] | 738 | } |
---|
| 739 | |
---|
[c9334b1] | 740 | void owl_editwin_key_right(owl_editwin *e) |
---|
| 741 | { |
---|
[a556caa] | 742 | owl_editwin_point_move(e, 1); |
---|
[7d4fbcd] | 743 | } |
---|
| 744 | |
---|
[5b5f3e6] | 745 | int owl_editwin_forward_word(owl_editwin *e) |
---|
[c9334b1] | 746 | { |
---|
[5b5f3e6] | 747 | int distance; |
---|
[7d4fbcd] | 748 | /* if we're starting on a space, find the first non-space */ |
---|
[5b5f3e6] | 749 | distance = owl_editwin_move_if_in(e, 1, WHITESPACE); |
---|
[7d4fbcd] | 750 | |
---|
[a556caa] | 751 | /* now find the end of this word */ |
---|
[5b5f3e6] | 752 | distance += owl_editwin_move_if_not_in(e, 1, WHITESPACE); |
---|
| 753 | |
---|
| 754 | return distance; |
---|
| 755 | } |
---|
| 756 | |
---|
| 757 | void owl_editwin_move_to_nextword(owl_editwin *e) |
---|
| 758 | { |
---|
| 759 | owl_editwin_forward_word(e); |
---|
[7d4fbcd] | 760 | } |
---|
| 761 | |
---|
[c9334b1] | 762 | /* go backwards to the last non-space character |
---|
| 763 | */ |
---|
[5b5f3e6] | 764 | int owl_editwin_backward_word(owl_editwin *e) |
---|
[c9334b1] | 765 | { |
---|
[a0fbdee] | 766 | oe_excursion x; |
---|
[5b5f3e6] | 767 | int distance = 0; |
---|
| 768 | int further = 0; |
---|
[a556caa] | 769 | int beginning; |
---|
| 770 | /* if in middle of word, beginning of word */ |
---|
| 771 | |
---|
| 772 | /* if at beginning of a word, find beginning of previous word */ |
---|
| 773 | |
---|
[e20d8179] | 774 | if (owl_editwin_is_char_in(e, WHITESPACE)) { |
---|
[a556caa] | 775 | /* if in whitespace past end of word, find a word , the find the beginning*/ |
---|
[5b5f3e6] | 776 | distance += owl_editwin_move_if_in(e, -1, WHITESPACE); /* leaves us on the last |
---|
| 777 | character of the word */ |
---|
[a0fbdee] | 778 | oe_save_excursion(e, &x); |
---|
[a556caa] | 779 | /* are we at the beginning of a word? */ |
---|
| 780 | owl_editwin_point_move(e, -1); |
---|
[e20d8179] | 781 | beginning = owl_editwin_is_char_in(e, WHITESPACE); |
---|
[a0fbdee] | 782 | oe_restore_excursion(e, &x); |
---|
[a556caa] | 783 | if (beginning) |
---|
[5b5f3e6] | 784 | return distance; |
---|
[a556caa] | 785 | } else { |
---|
| 786 | /* in the middle of the word; */ |
---|
[a0fbdee] | 787 | oe_save_excursion(e, &x); |
---|
[5b5f3e6] | 788 | further += owl_editwin_point_move(e, -1); |
---|
[e20d8179] | 789 | if (owl_editwin_is_char_in(e, WHITESPACE)) { /* we were at the beginning */ |
---|
[5b5f3e6] | 790 | distance += owl_editwin_backward_word(e); /* previous case */ |
---|
| 791 | return distance + further; |
---|
[a556caa] | 792 | } else { |
---|
[a0fbdee] | 793 | oe_restore_excursion(e, &x); |
---|
[7d4fbcd] | 794 | } |
---|
| 795 | } |
---|
[5b5f3e6] | 796 | distance += owl_editwin_move_if_not_in(e, -1, WHITESPACE); |
---|
[a556caa] | 797 | /* will go past */ |
---|
| 798 | if (e->index > e->lock) |
---|
[5b5f3e6] | 799 | distance += owl_editwin_point_move(e, 1); |
---|
| 800 | return distance; |
---|
| 801 | } |
---|
| 802 | |
---|
| 803 | void owl_editwin_move_to_previousword(owl_editwin *e) |
---|
| 804 | { |
---|
| 805 | owl_editwin_backward_word(e); |
---|
[7d4fbcd] | 806 | } |
---|
| 807 | |
---|
[c9334b1] | 808 | void owl_editwin_delete_nextword(owl_editwin *e) |
---|
| 809 | { |
---|
[a0fbdee] | 810 | oe_excursion x; |
---|
[5b5f3e6] | 811 | int distance; |
---|
[a556caa] | 812 | |
---|
[a0fbdee] | 813 | oe_save_excursion(e, &x); |
---|
[5b5f3e6] | 814 | distance = owl_editwin_forward_word(e); |
---|
[a0fbdee] | 815 | oe_restore_excursion(e, &x); |
---|
[5b5f3e6] | 816 | owl_editwin_replace(e, distance, ""); |
---|
[7d4fbcd] | 817 | } |
---|
| 818 | |
---|
[c9334b1] | 819 | void owl_editwin_delete_previousword(owl_editwin *e) |
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| 820 | { |
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[b68f9cd] | 821 | /* go backwards to the last non-space character, then delete chars */ |
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[5b5f3e6] | 822 | int distance; |
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[b68f9cd] | 823 | |
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[5b5f3e6] | 824 | distance = owl_editwin_backward_word(e); |
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| 825 | owl_editwin_replace(e, -distance, ""); |
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[b68f9cd] | 826 | } |
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| 827 | |
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[a556caa] | 828 | void owl_editwin_move_to_line_end(owl_editwin *e) |
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[c9334b1] | 829 | { |
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[a556caa] | 830 | owl_editwin_move_to_end_of_line(e); |
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[7d4fbcd] | 831 | } |
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| 832 | |
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[a556caa] | 833 | void owl_editwin_delete_to_endofline(owl_editwin *e) |
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[c9334b1] | 834 | { |
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[a0fbdee] | 835 | oe_excursion x; |
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[5b5f3e6] | 836 | int distance; |
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[a556caa] | 837 | |
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[a0fbdee] | 838 | oe_save_excursion(e, &x); |
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[5b5f3e6] | 839 | distance = owl_editwin_move_to_end_of_line(e); |
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[a0fbdee] | 840 | oe_restore_excursion(e, &x); |
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[5b5f3e6] | 841 | owl_editwin_replace(e, distance ? distance : 1, ""); |
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[7d4fbcd] | 842 | } |
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| 843 | |
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[c9334b1] | 844 | void owl_editwin_move_to_line_start(owl_editwin *e) |
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| 845 | { |
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[a556caa] | 846 | owl_editwin_move_to_beginning_of_line(e); |
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[7d4fbcd] | 847 | } |
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| 848 | |
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[c9334b1] | 849 | void owl_editwin_move_to_end(owl_editwin *e) |
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| 850 | { |
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[521bc84] | 851 | oe_set_index(e, e->bufflen); |
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[7d4fbcd] | 852 | } |
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| 853 | |
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[c9334b1] | 854 | void owl_editwin_move_to_top(owl_editwin *e) |
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| 855 | { |
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[521bc84] | 856 | oe_set_index(e, e->lock); |
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[7d4fbcd] | 857 | } |
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| 858 | |
---|
[c9334b1] | 859 | void owl_editwin_fill_paragraph(owl_editwin *e) |
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| 860 | { |
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[a556caa] | 861 | #if 0 /* XXX */ |
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[a0fbdee] | 862 | oe_excursion x; |
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[7d4fbcd] | 863 | int i, save; |
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| 864 | |
---|
| 865 | /* save our starting point */ |
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[a0fbdee] | 866 | oe_save_excursion(e, &x); |
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[a556caa] | 867 | |
---|
| 868 | save = e->index; |
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[7d4fbcd] | 869 | |
---|
| 870 | /* scan back to the beginning of this paragraph */ |
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| 871 | for (i=save; i>=e->lock; i--) { |
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| 872 | if ( (i<=e->lock) || |
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| 873 | ((e->buff[i]=='\n') && (e->buff[i-1]=='\n'))) { |
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[521bc84] | 874 | oe_set_index(i + 1); |
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[7d4fbcd] | 875 | break; |
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| 876 | } |
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| 877 | } |
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| 878 | |
---|
| 879 | /* main loop */ |
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| 880 | while (1) { |
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[47519e1b] | 881 | i = _owl_editwin_get_index_from_xy(e); |
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[7d4fbcd] | 882 | |
---|
| 883 | /* bail if we hit the end of the buffer */ |
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[47519e1b] | 884 | if (i >= e->bufflen || e->buff[i] == '\0') break; |
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[7d4fbcd] | 885 | |
---|
| 886 | /* bail if we hit the end of the paragraph */ |
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[47519e1b] | 887 | if (e->buff[i] == '\n' && e->buff[i+1] == '\n') break; |
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[7d4fbcd] | 888 | |
---|
[50e671c] | 889 | /* bail if we hit a trailing dot on the buffer */ |
---|
| 890 | if (e->buff[i] == '\n' && e->buff[i+1] == '.' |
---|
| 891 | && ((i+2) >= e->bufflen || e->buff[i+2] == '\0')) |
---|
| 892 | break; |
---|
| 893 | |
---|
[7d4fbcd] | 894 | /* if we've travelled too far, linewrap */ |
---|
| 895 | if ((e->buffx) >= e->fillcol) { |
---|
[b2c1bd4] | 896 | int len = e->bufflen; |
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[7d4fbcd] | 897 | _owl_editwin_linewrap_word(e); |
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[b2c1bd4] | 898 | /* we may have added a character. */ |
---|
| 899 | if (i < save) save += e->bufflen - len; |
---|
[521bc84] | 900 | oe_set_index(i); |
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[7d4fbcd] | 901 | } |
---|
| 902 | |
---|
| 903 | /* did we hit the end of a line too soon? */ |
---|
[84027015] | 904 | /* asedeno: Here we replace a newline with a space. We may want to |
---|
| 905 | consider removing the space if the characters to either side |
---|
| 906 | are CJK ideograms.*/ |
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[47519e1b] | 907 | i = _owl_editwin_get_index_from_xy(e); |
---|
| 908 | if (e->buff[i] == '\n' && e->buffx < e->fillcol - 1) { |
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[7d4fbcd] | 909 | /* ********* we need to make sure we don't pull in a word that's too long ***********/ |
---|
| 910 | e->buff[i]=' '; |
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| 911 | } |
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[b2c1bd4] | 912 | |
---|
[7d4fbcd] | 913 | /* fix spacing */ |
---|
[47519e1b] | 914 | i = _owl_editwin_get_index_from_xy(e); |
---|
| 915 | if (e->buff[i] == ' ' && e->buff[i+1] == ' ') { |
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| 916 | if (e->buff[i-1] == '.' || e->buff[i-1] == '!' || e->buff[i-1] == '?') { |
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[7d4fbcd] | 917 | owl_editwin_key_right(e); |
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| 918 | } else { |
---|
| 919 | owl_editwin_delete_char(e); |
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[84027015] | 920 | /* if we did this ahead of the save point, adjust it. Changing |
---|
| 921 | by one is fine here because we're only removing an ASCII |
---|
| 922 | space. */ |
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[47519e1b] | 923 | if (i < save) save--; |
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[7d4fbcd] | 924 | } |
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| 925 | } else { |
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| 926 | owl_editwin_key_right(e); |
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| 927 | } |
---|
| 928 | } |
---|
| 929 | |
---|
| 930 | /* put cursor back at starting point */ |
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[a0fbdee] | 931 | oe_restore_excursion(e, &x); |
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[a556caa] | 932 | #endif |
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[7d4fbcd] | 933 | } |
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| 934 | |
---|
[cf83b7a] | 935 | /* returns true if only whitespace remains */ |
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[c9334b1] | 936 | int owl_editwin_is_at_end(owl_editwin *e) |
---|
| 937 | { |
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[a556caa] | 938 | return (only_whitespace(e->buff + e->index)); |
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[217a43e] | 939 | } |
---|
| 940 | |
---|
[bab52da] | 941 | static int owl_editwin_check_dotsend(owl_editwin *e) |
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[c9334b1] | 942 | { |
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[47519e1b] | 943 | char *p, *p_n, *p_p; |
---|
| 944 | gunichar c; |
---|
[7d4fbcd] | 945 | |
---|
| 946 | if (!e->dotsend) return(0); |
---|
[47519e1b] | 947 | |
---|
| 948 | p = g_utf8_find_prev_char(e->buff, e->buff + e->bufflen); |
---|
| 949 | p_n = g_utf8_find_next_char(p, NULL); |
---|
| 950 | p_p = g_utf8_find_prev_char(e->buff, p); |
---|
| 951 | c = g_utf8_get_char(p); |
---|
| 952 | while (p != NULL) { |
---|
| 953 | if (*p == '.' |
---|
| 954 | && p_p != NULL && (*p_p == '\n' || *p_p == '\r') |
---|
| 955 | && p_n != NULL && (*p_n == '\n' || *p_n == '\r')) { |
---|
| 956 | e->bufflen = p - e->buff; |
---|
| 957 | e->buff[e->bufflen] = '\0'; |
---|
[7d4fbcd] | 958 | return(1); |
---|
| 959 | } |
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[47519e1b] | 960 | if (c != '\0' && !g_unichar_isspace(c)) return(0); |
---|
| 961 | p_n = p; |
---|
| 962 | p = p_p; |
---|
| 963 | c = g_utf8_get_char(p); |
---|
| 964 | p_p = g_utf8_find_prev_char(e->buff, p); |
---|
[7d4fbcd] | 965 | } |
---|
| 966 | return(0); |
---|
| 967 | } |
---|
| 968 | |
---|
[fac5463] | 969 | void owl_editwin_post_process_char(owl_editwin *e, owl_input j) |
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[c9334b1] | 970 | { |
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[a556caa] | 971 | /* XXX force a redisplay? */ |
---|
[fac5463] | 972 | if ((j.ch==13 || j.ch==10) && owl_editwin_check_dotsend(e)) { |
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[7d4fbcd] | 973 | owl_command_editmulti_done(e); |
---|
| 974 | return; |
---|
| 975 | } |
---|
[e20d8179] | 976 | owl_editwin_redisplay(e, 0); |
---|
[7d4fbcd] | 977 | } |
---|
| 978 | |
---|
[fac5463] | 979 | void owl_editwin_process_char(owl_editwin *e, owl_input j) |
---|
| 980 | { |
---|
[5b5f3e6] | 981 | #if 0 |
---|
| 982 | int i, ret, len; |
---|
| 983 | #endif |
---|
| 984 | char tmp[7]; |
---|
| 985 | |
---|
| 986 | if (j.ch == ERR) |
---|
| 987 | return; |
---|
[fac5463] | 988 | /* Ignore ncurses control characters. */ |
---|
[e20d8179] | 989 | if (j.ch < 0x100) { |
---|
[5b5f3e6] | 990 | if (!(g_unichar_iscntrl(j.uch) && (j.uch != 10) && (j.uch != 13)) || j.uch==9 ) { |
---|
| 991 | memset(tmp, 0, 7); |
---|
| 992 | |
---|
| 993 | /* \r is \n */ |
---|
| 994 | if (j.uch == '\r') { |
---|
| 995 | j.uch = '\n'; |
---|
| 996 | } |
---|
| 997 | |
---|
| 998 | if (j.uch == '\n' && e->style == OWL_EDITWIN_STYLE_ONELINE) { |
---|
| 999 | return; |
---|
| 1000 | } |
---|
| 1001 | |
---|
| 1002 | g_unichar_to_utf8(j.uch, tmp); |
---|
| 1003 | owl_editwin_replace(e, 0, tmp); |
---|
| 1004 | |
---|
| 1005 | #if 0 /* XXX */ |
---|
| 1006 | /* If we're going to insert at the last column do word wrapping, unless it's a \n */ |
---|
| 1007 | if ((e->buffx + 1 == e->wrapcol) && (j.uch != '\n')) { |
---|
| 1008 | ret = _owl_editwin_linewrap_word(e); |
---|
| 1009 | if (ret == -1) { |
---|
| 1010 | /* we couldn't wrap, insert a hard newline instead */ |
---|
| 1011 | owl_editwin_replace(e, 0, "\n"); |
---|
| 1012 | } |
---|
| 1013 | } |
---|
| 1014 | #endif |
---|
| 1015 | } |
---|
[fac5463] | 1016 | } |
---|
| 1017 | } |
---|
| 1018 | |
---|
[c9334b1] | 1019 | char *owl_editwin_get_text(owl_editwin *e) |
---|
| 1020 | { |
---|
[7d4fbcd] | 1021 | return(e->buff+e->lock); |
---|
| 1022 | } |
---|
| 1023 | |
---|
[a556caa] | 1024 | int owl_editwin_get_echochar(owl_editwin *e) { |
---|
| 1025 | return e->echochar; |
---|
| 1026 | } |
---|