mirror of
https://github.com/tmate-io/tmate.git
synced 2024-11-23 08:33:17 +01:00
203 lines
4.7 KiB
C
203 lines
4.7 KiB
C
/* $Id: grid-view.c,v 1.5 2009-01-05 11:04:06 nicm Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
|
|
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
/*
|
|
* Grid view functions. These work using coordinates relative to the visible
|
|
* screen area.
|
|
*/
|
|
|
|
#define grid_view_x(gd, x) (x)
|
|
#define grid_view_y(gd, y) ((gd)->hsize + (y))
|
|
|
|
/* Get cell for reading. */
|
|
const struct grid_cell *
|
|
grid_view_peek_cell(struct grid_data *gd, u_int px, u_int py)
|
|
{
|
|
return (grid_peek_cell(gd, grid_view_x(gd, px), grid_view_y(gd, py)));
|
|
}
|
|
|
|
/* Get cell for writing. */
|
|
struct grid_cell *
|
|
grid_view_get_cell(struct grid_data *gd, u_int px, u_int py)
|
|
{
|
|
return (grid_get_cell(gd, grid_view_x(gd, px), grid_view_y(gd, py)));
|
|
}
|
|
|
|
/* Set cell. */
|
|
void
|
|
grid_view_set_cell(
|
|
struct grid_data *gd, u_int px, u_int py, const struct grid_cell *gc)
|
|
{
|
|
grid_set_cell(gd, grid_view_x(gd, px), grid_view_y(gd, py), gc);
|
|
}
|
|
|
|
/* Clear area. */
|
|
void
|
|
grid_view_clear(struct grid_data *gd, u_int px, u_int py, u_int nx, u_int ny)
|
|
{
|
|
GRID_DEBUG(gd, "px=%u, py=%u, nx=%u, ny=%u", px, py, nx, ny);
|
|
|
|
px = grid_view_x(gd, px);
|
|
py = grid_view_y(gd, py);
|
|
|
|
grid_clear(gd, px, py, nx, ny);
|
|
}
|
|
|
|
/* Fill area. */
|
|
void
|
|
grid_view_fill(struct grid_data *gd,
|
|
const struct grid_cell *gc, u_int px, u_int py, u_int nx, u_int ny)
|
|
{
|
|
GRID_DEBUG(gd, "px=%u, py=%u, nx=%u, ny=%u", px, py, nx, ny);
|
|
|
|
px = grid_view_x(gd, px);
|
|
py = grid_view_y(gd, py);
|
|
|
|
grid_fill(gd, gc, px, py, nx, ny);
|
|
}
|
|
|
|
/* Scroll region up. */
|
|
void
|
|
grid_view_scroll_region_up(struct grid_data *gd, u_int rupper, u_int rlower)
|
|
{
|
|
GRID_DEBUG(gd, "rupper=%u, rlower=%u", rupper, rlower);
|
|
|
|
if (rupper == 0 && rlower == gd->sy - 1) {
|
|
grid_scroll_line(gd);
|
|
return;
|
|
}
|
|
|
|
rupper = grid_view_y(gd, rupper);
|
|
rlower = grid_view_y(gd, rlower);
|
|
|
|
grid_move_lines(gd, rupper, rupper + 1, rlower - rupper);
|
|
}
|
|
|
|
/* Scroll region down. */
|
|
void
|
|
grid_view_scroll_region_down(struct grid_data *gd, u_int rupper, u_int rlower)
|
|
{
|
|
GRID_DEBUG(gd, "rupper=%u, rlower=%u", rupper, rlower);
|
|
|
|
rupper = grid_view_y(gd, rupper);
|
|
rlower = grid_view_y(gd, rlower);
|
|
|
|
grid_move_lines(gd, rupper + 1, rupper, rlower - rupper);
|
|
}
|
|
|
|
/* Insert lines. */
|
|
void
|
|
grid_view_insert_lines(struct grid_data *gd, u_int py, u_int ny)
|
|
{
|
|
u_int sy;
|
|
|
|
GRID_DEBUG(gd, "py=%u, ny=%u", py, ny);
|
|
|
|
py = grid_view_y(gd, py);
|
|
|
|
sy = grid_view_y(gd, gd->sy);
|
|
|
|
grid_move_lines(gd, py + ny, py, sy - py - ny);
|
|
}
|
|
|
|
/* Insert lines in region. */
|
|
void
|
|
grid_view_insert_lines_region(
|
|
struct grid_data *gd, u_int rupper, u_int rlower, u_int py, u_int ny)
|
|
{
|
|
GRID_DEBUG(
|
|
gd, "rupper=%u, rlower=%u, py=%u, ny=%u", rupper, rlower, py, ny);
|
|
|
|
rlower = grid_view_y(gd, rlower);
|
|
|
|
py = grid_view_y(gd, py);
|
|
|
|
grid_move_lines(gd, py + ny, py, (rlower + 1) - py - ny);
|
|
}
|
|
|
|
/* Delete lines. */
|
|
void
|
|
grid_view_delete_lines(struct grid_data *gd, u_int py, u_int ny)
|
|
{
|
|
u_int sy;
|
|
|
|
GRID_DEBUG(gd, "py=%u, ny=%u", py, ny);
|
|
|
|
py = grid_view_y(gd, py);
|
|
|
|
sy = grid_view_y(gd, gd->sy);
|
|
|
|
grid_move_lines(gd, py, py + ny, sy - py - ny);
|
|
}
|
|
|
|
/* Delete lines inside scroll region. */
|
|
void
|
|
grid_view_delete_lines_region(
|
|
struct grid_data *gd, u_int rupper, u_int rlower, u_int py, u_int ny)
|
|
{
|
|
GRID_DEBUG(
|
|
gd, "rupper=%u, rlower=%u, py=%u, ny=%u", rupper, rlower, py, ny);
|
|
|
|
rlower = grid_view_y(gd, rlower);
|
|
|
|
py = grid_view_y(gd, py);
|
|
|
|
grid_move_lines(gd, py, py + ny, (rlower + 1) - py - ny);
|
|
}
|
|
|
|
/* Insert characters. */
|
|
void
|
|
grid_view_insert_cells(struct grid_data *gd, u_int px, u_int py, u_int nx)
|
|
{
|
|
u_int sx;
|
|
|
|
GRID_DEBUG(gd, "px=%u, py=%u, nx=%u", px, py, nx);
|
|
|
|
px = grid_view_x(gd, px);
|
|
py = grid_view_y(gd, py);
|
|
|
|
sx = grid_view_x(gd, gd->sx);
|
|
|
|
if (px == sx - 1)
|
|
grid_clear(gd, px, py, 1, 1);
|
|
else
|
|
grid_move_cells(gd, px + nx, px, py, (sx - 1) - (px + nx));
|
|
}
|
|
|
|
/* Delete characters. */
|
|
void
|
|
grid_view_delete_cells(struct grid_data *gd, u_int px, u_int py, u_int nx)
|
|
{
|
|
u_int sx;
|
|
|
|
GRID_DEBUG(gd, "px=%u, py=%u, nx=%u", px, py, nx);
|
|
|
|
px = grid_view_x(gd, px);
|
|
py = grid_view_y(gd, py);
|
|
|
|
sx = grid_view_x(gd, gd->sx);
|
|
|
|
grid_move_cells(gd, px, px + nx, py, (sx - 1) - (px + nx));
|
|
}
|