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Editable prompt. Not used for anything yet. More to come.

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This commit is contained in:
Nicholas Marriott
2008-06-19 19:40:35 +00:00
parent 8078deea3f
commit c3b7a49cc1
6 changed files with 183 additions and 12 deletions
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130
status.c
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@ -1,4 +1,4 @@
/* $Id: status.c,v 1.31 2008-06-19 18:27:55 nicm Exp $ */
/* $Id: status.c,v 1.32 2008-06-19 19:40:35 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -311,3 +311,131 @@ status_message_redraw(struct client *c)
/* Force cursor off. */
tty_write_client(c, TTY_CURSOROFF);
}
/* Draw client prompt on status line of present else on last line. */
void
status_prompt_redraw(struct client *c)
{
struct screen_redraw_ctx ctx;
size_t i, xx, yy, left, size, offset;
if (c->sx == 0 || c->sy == 0)
return;
offset = 0;
xx = strlen(c->prompt_string) + 1;
if (xx > c->sx)
xx = c->sx;
yy = c->sy - 1;
screen_redraw_start_client(&ctx, c);
screen_redraw_set_attributes(&ctx, ATTR_REVERSE, 0x88);
screen_redraw_move_cursor(&ctx, 0, yy);
screen_redraw_write_string(&ctx, "%.*s ", (int) xx, c->prompt_string);
left = c->sx - xx;
if (left != 0) {
if (c->prompt_index < left)
size = strlen(c->prompt_buffer);
else {
offset = c->prompt_index - left;
if (c->prompt_index == strlen(c->prompt_buffer))
left--;
size = left;
}
screen_redraw_write_string(
&ctx, "%.*s", (int) left, c->prompt_buffer + offset);
for (i = xx + size; i < c->sx; i++)
ctx.write(ctx.data, TTY_CHARACTER, ' ');
}
screen_redraw_stop(&ctx);
/* Force cursor on. */
tty_write_client(c, TTY_CURSORMOVE, yy, xx + c->prompt_index - offset);
tty_write_client(c, TTY_CURSORON);
}
/* Handle keys in prompt. */
void
status_prompt_key(struct client *c, int key)
{
size_t size;
size = strlen(c->prompt_buffer);
switch (key) {
case KEYC_LEFT:
if (c->prompt_index > 0) {
c->prompt_index--;
c->flags |= CLIENT_STATUS;
}
break;
case KEYC_RIGHT:
if (c->prompt_index < size) {
c->prompt_index++;
c->flags |= CLIENT_STATUS;
}
break;
case '\001': /* C-a */
if (c->prompt_index != 0) {
c->prompt_index = 0;
c->flags |= CLIENT_STATUS;
}
break;
case '\005': /* C-e */
if (c->prompt_index != size) {
c->prompt_index = size;
c->flags |= CLIENT_STATUS;
}
break;
case '\010':
case '\177':
if (c->prompt_index != 0) {
if (c->prompt_index == size)
c->prompt_buffer[--c->prompt_index] = '\0';
else {
memmove(c->prompt_buffer + c->prompt_index - 1,
c->prompt_buffer + c->prompt_index,
size + 1 - c->prompt_index);
c->prompt_index--;
}
c->flags |= CLIENT_STATUS;
}
break;
case KEYC_DC:
if (c->prompt_index != size) {
memmove(c->prompt_buffer + c->prompt_index,
c->prompt_buffer + c->prompt_index + 1,
size + 1 - c->prompt_index);
c->flags |= CLIENT_STATUS;
}
break;
case '\r': /* enter */
c->prompt_callback(c->prompt_data, c->prompt_buffer);
server_clear_client_prompt(c);
break;
case '\e': /* escape */
c->prompt_callback(c->prompt_data, NULL);
server_clear_client_prompt(c);
break;
default:
if (key < 32)
break;
c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
if (c->prompt_index == size) {
c->prompt_buffer[c->prompt_index++] = key;
c->prompt_buffer[c->prompt_index] = '\0';
} else {
memmove(c->prompt_buffer + c->prompt_index + 1,
c->prompt_buffer + c->prompt_index,
size + 1 - c->prompt_index);
c->prompt_buffer[c->prompt_index++] = key;
}
c->flags |= CLIENT_STATUS;
break;
}
}