source: style.c @ 385cce2

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Last change on this file since 385cce2 was 30da473, checked in by David Benjamin <davidben@mit.edu>, 14 years ago
Expand tabs before applying OWL_TAB This is a partial fix to #90. Messages with tabs still do not correctly tab in the default style, if the intent is to begin column counts after the 4-space indent. But, if the style does give us tabs, BarnOwl should correctly draw them from the style. Expanding them here both deals with owl_fmtext_truncate_cols not understanding tabs and tabs getting confused by the OWL_TAB indent. A full fix should expand tabs in the style layer, taking markup into account.
  • Property mode set to 100644
File size: 2.5 KB
RevLine 
[864ed35]1#define OWL_PERL
[bd3f232]2#include "owl.h"
3
[fde6d80]4/* Assumes owenership of one existing ref on `obj`*/
[e19eb97]5void owl_style_create_perl(owl_style *s, const char *name, SV *obj)
[bd3f232]6{
7  s->name=owl_strdup(name);
[fde6d80]8  s->perlobj = obj;
[bd3f232]9}
10
[1fdab04]11int owl_style_matches_name(const owl_style *s, const char *name)
[bd3f232]12{
13  if (!strcmp(s->name, name)) return(1);
14  return(0);
15}
16
[1fdab04]17const char *owl_style_get_name(const owl_style *s)
[ef56a67]18{
19  return(s->name);
20}
21
[1fdab04]22const char *owl_style_get_description(const owl_style *s)
[f1e629d]23{
[864ed35]24  SV *sv = NULL;
25  OWL_PERL_CALL_METHOD(s->perlobj,
26                       "description",
[c0ddaea]27                       ;,
[864ed35]28                       "Error in style_get_description: %s",
29                       0,
30                       sv = SvREFCNT_inc(POPs);
31                       );
32  if(sv) {
33    return SvPV_nolen(sv_2mortal(sv));
34  } else {
35    return "[error getting description]";
36  }
[f1e629d]37}
38
[5639bf2]39/* Use style 's' to format message 'm' into fmtext 'fm'.
40 * 'fm' should already be be initialzed
41 */
[1fdab04]42void owl_style_get_formattext(const owl_style *s, owl_fmtext *fm, const owl_message *m)
[bd3f232]43{
[e19eb97]44  const char *body;
[65b2173]45  char *indent;
[864ed35]46  int curlen;
[30da473]47  owl_fmtext with_tabs;
[bd3f232]48
[864ed35]49  SV *sv = NULL;
50 
51  /* Call the perl object */
52  OWL_PERL_CALL_METHOD(s->perlobj,
53                       "format_message",
[1639ff7]54                       XPUSHs(sv_2mortal(owl_perlconfig_message2hashref(m)));,
[864ed35]55                       "Error in format_message: %s",
56                       0,
57                       sv = SvREFCNT_inc(POPs);
58                       );
[282ec9b]59
[864ed35]60  if(sv) {
61    body = SvPV_nolen(sv);
62  } else {
63    body = "<unformatted message>";
[bd3f232]64  }
[864ed35]65
66  /* indent and ensure ends with a newline */
67  indent=owl_malloc(strlen(body)+(owl_text_num_lines(body))*OWL_TAB+10);
68  owl_text_indent(indent, body, OWL_TAB);
69  curlen = strlen(indent);
70  if (curlen==0 || indent[curlen-1] != '\n') {
71    indent[curlen] = '\n';
72    indent[curlen+1] = '\0';
73  }
74
[30da473]75  owl_fmtext_init_null(&with_tabs);
[864ed35]76  /* fmtext_append.  This needs to change */
[30da473]77  owl_fmtext_append_ztext(&with_tabs, indent);
78  /* Expand tabs, taking the indent into account. Otherwise, tabs from the
79   * style display incorrectly due to our own indent. */
80  owl_fmtext_expand_tabs(&with_tabs, fm, OWL_TAB_WIDTH - OWL_TAB);
81  owl_fmtext_cleanup(&with_tabs);
[864ed35]82
83  owl_free(indent);
84  if(sv)
[e574a00]85    SvREFCNT_dec(sv);
[bd3f232]86}
87
[1fdab04]88int owl_style_validate(const owl_style *s) {
[864ed35]89  if (!s || !s->perlobj || !SvOK(s->perlobj)) {
[f1e629d]90    return -1;
91  }
[864ed35]92  return 0;
[f1e629d]93}
94
[b585ba2]95void owl_style_cleanup(owl_style *s)
[bd3f232]96{
97  if (s->name) owl_free(s->name);
[864ed35]98  SvREFCNT_dec(s->perlobj);
[bd3f232]99}
[516c27e]100
101void owl_style_delete(owl_style *s)
102{
[b585ba2]103  owl_style_cleanup(s);
[516c27e]104  owl_free(s);
105}
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