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Improve get_alignment so it works with columns (width), not chars (length).

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This commit is contained in:
Xavier G 2016-04-23 02:18:40 +02:00
commit f5033031b1
2 changed files with 32 additions and 13 deletions
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42
src/core/special-vars.c
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@ -25,6 +25,7 @@
#include "settings.h"
#include "servers.h"
#include "misc.h"
#include "utf8.h"
#define isvarchar(c) \
(i_isalnum(c) || (c) == '_')
@ -317,10 +318,14 @@ char *get_alignment(const char *text, int align, int flags, char pad)
gchar *ret;
gchar *ret_p;
uint i;
uint start_length;
uint cut_length;
uint final_length;
/* Terminology: width is an amount of columns, length is an amount of
* characters.
*/
uint start_width, start_length;
uint cut_width, cut_length;
uint final_width, final_length;
uint pad_count;
uint delta;
g_return_val_if_fail(text != NULL, NULL);
@ -328,18 +333,31 @@ char *get_alignment(const char *text, int align, int flags, char pad)
if (!g_utf8_validate(text, -1, NULL))
return NULL;
/* how many characters do we have in the first place? */
/* how many columns and chars do we have in the first place? */
start_width = get_utf8_string_width(text, 1 /* skip UTF-8 validation */);
start_length = g_utf8_strlen(text, 1024);
/* how many characters will we have after the cut? */
/* how many columns and chars will we have after the cut? */
cut_width = start_width;
cut_length = start_length;
if ((flags & ALIGN_CUT) && align > 0 && start_length > align)
cut_length = align;
/* how many characters will we have after the pad? */
delta = 0;
if ((flags & ALIGN_CUT) && align > 0 && start_width > align) {
cut_width = align;
cut_length = get_utf8_chars_for_width(text,
align,
1 /* skip UTF-8 validation */,
&delta);
/* At this point, we know that we have to take "cut_length" chars from
* "text" and append "delta" padding chars to reach "align" columns.
*/
}
/* how many columns will we have after the pad? */
final_width = cut_width;
final_length = cut_length;
pad_count = 0;
if ((flags & ALIGN_PAD) && align > cut_length) {
final_length = align;
pad_count = final_length - cut_length;
pad_count = delta;
if ((flags & ALIGN_PAD) && align > cut_width) {
final_width = align;
pad_count += (final_width - cut_width);
final_length += pad_count;
}
/* allocate 4 bytes for each character we will have in the end */

3
src/fe-common/core/fe-channels.c
View file

@ -27,6 +27,7 @@
#include "misc.h"
#include "settings.h"
#include "special-vars.h"
#include "utf8.h"
#include "chat-protocols.h"
#include "chatnets.h"
@ -324,7 +325,7 @@ static void cmd_channel_remove(const char *data)
static int get_nick_length(void *data)
{
return g_utf8_strlen(((NICK_REC *) data)->nick, 1024);
return get_utf8_string_width(((NICK_REC *) data)->nick, 1024);
}
static void display_sorted_nicks(CHANNEL_REC *channel, GSList *nicklist)