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Fix wchar cursor movement.

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This commit is contained in:
AZ Huang 2013-12-12 13:41:16 +08:00
parent 1dad3711c4
commit bc8e737514
1 changed files with 11 additions and 7 deletions
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18
src/chat.c
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@ -303,15 +303,17 @@ static void chat_onKey(ToxWindow *self, Tox *m, wint_t key)
int x, y, y2, x2; int x, y, y2, x2;
getyx(self->window, y, x); getyx(self->window, y, x);
getmaxyx(self->window, y2, x2); getmaxyx(self->window, y2, x2);
int cur_len = 0;
if (key == 0x107 || key == 0x8 || key == 0x7f) { /* BACKSPACE key: Remove character behind pos */ if (key == 0x107 || key == 0x8 || key == 0x7f) { /* BACKSPACE key: Remove character behind pos */
if (ctx->pos > 0) { if (ctx->pos > 0) {
cur_len = wcwidth(ctx->line[ctx->pos - 1]);
del_char_buf_bck(ctx->line, &ctx->pos, &ctx->len); del_char_buf_bck(ctx->line, &ctx->pos, &ctx->len);
if (x == 0) if (x == 0)
wmove(self->window, y-1, x2-1); wmove(self->window, y-1, x2 - cur_len);
else else
wmove(self->window, y, x-1); wmove(self->window, y, x - cur_len);
} }
} }
@ -342,29 +344,31 @@ static void chat_onKey(ToxWindow *self, Tox *m, wint_t key)
else if (key == KEY_END) { /* END key: move cursor to end of line */ else if (key == KEY_END) { /* END key: move cursor to end of line */
if (ctx->pos != ctx->len) { if (ctx->pos != ctx->len) {
ctx->pos = ctx->len; ctx->pos = ctx->len;
mv_curs_end(self->window, ctx->len, y2, x2); mv_curs_end(self->window, wcswidth(ctx->line), y2, x2);
} }
} }
else if (key == KEY_LEFT) { else if (key == KEY_LEFT) {
if (ctx->pos > 0) { if (ctx->pos > 0) {
--ctx->pos; --ctx->pos;
cur_len = wcwidth(ctx->line[ctx->pos]);
if (x == 0) if (x == 0)
wmove(self->window, y-1, x2-1); wmove(self->window, y-1, x2 - cur_len);
else else
wmove(self->window, y, x-1); wmove(self->window, y, x - cur_len);
} }
} }
else if (key == KEY_RIGHT) { else if (key == KEY_RIGHT) {
if (ctx->pos < ctx->len) { if (ctx->pos < ctx->len) {
cur_len = wcwidth(ctx->line[ctx->pos]);
++ctx->pos; ++ctx->pos;
if (x == x2-1) if (x == x2-1)
wmove(self->window, y+1, 0); wmove(self->window, y+1, 0);
else else
wmove(self->window, y, x+1); wmove(self->window, y, x + cur_len);
} }
} }
@ -413,7 +417,7 @@ static void chat_onKey(ToxWindow *self, Tox *m, wint_t key)
if (x == x2-1) if (x == x2-1)
wmove(self->window, y+1, 0); wmove(self->window, y+1, 0);
else else
wmove(self->window, y, x+1); wmove(self->window, y, x + wcwidth(key));
} }
} }
/* RETURN key: Execute command or print line */ /* RETURN key: Execute command or print line */