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Support insert mode by using insert character to shift the cells before writing

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as normal.
This commit is contained in:
Nicholas Marriott
2009-06-25 15:52:12 +00:00
parent 93631b3ca7
commit b8ec0c713f
1 changed files with 11 additions and 1 deletions
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12
screen-write.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: screen-write.c,v 1.5 2009/06/03 23:30:40 nicm Exp $ */ /* $OpenBSD: screen-write.c,v 1.6 2009/06/03 23:37:30 nicm Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -663,6 +663,7 @@ screen_write_cell(
u_int width, xx, i; u_int width, xx, i;
struct grid_cell tmp_gc, *tmp_gc2; struct grid_cell tmp_gc, *tmp_gc2;
size_t size; size_t size;
int insert = 0;
/* Ignore padding. */ /* Ignore padding. */
if (gc->flags & GRID_FLAG_PADDING) if (gc->flags & GRID_FLAG_PADDING)
@@ -714,6 +715,13 @@ screen_write_cell(
gc = &tmp_gc; gc = &tmp_gc;
} }
/* If in insert mode, make space for the cells. */
if (s->mode & MODE_INSERT && s->cx <= screen_size_x(s) - width) {
xx = screen_size_x(s) - s->cx - width;
grid_move_cells(s->grid, s->cx + width, s->cx, s->cy, xx);
insert = 1;
}
/* Check this will fit on the current line; scroll if not. */ /* Check this will fit on the current line; scroll if not. */
if (s->cx > screen_size_x(s) - width) { if (s->cx > screen_size_x(s) - width) {
screen_write_carriagereturn(ctx); screen_write_carriagereturn(ctx);
@@ -747,6 +755,8 @@ screen_write_cell(
s->cx += width; s->cx += width;
/* Draw to the screen if necessary. */ /* Draw to the screen if necessary. */
if (insert)
tty_write_cmd(ctx->wp, TTY_INSERTCHARACTER, width);
if (screen_check_selection(s, s->cx - width, s->cy)) { if (screen_check_selection(s, s->cx - width, s->cy)) {
s->sel.cell.data = gc->data; s->sel.cell.data = gc->data;
tty_write_cmd(ctx->wp, TTY_CELL, &s->sel.cell, &gu); tty_write_cmd(ctx->wp, TTY_CELL, &s->sel.cell, &gu);