mirror of
https://github.com/tmate-io/tmate.git
synced 2025-08-09 13:54:54 +02:00
Major reorganisation of screen handling.
This commit is contained in:
Nicholas Marriott
262
window-scroll.c
262
window-scroll.c
@ -1,4 +1,4 @@
|
||||
/* $Id: window-scroll.c,v 1.14 2007-11-27 19:32:15 nicm Exp $ */
|
||||
/* $Id: window-scroll.c,v 1.15 2007-12-06 09:46:23 nicm Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
|
||||
@ -23,229 +23,253 @@
|
||||
#include "tmux.h"
|
||||
|
||||
void window_scroll_init(struct window *);
|
||||
void window_scroll_free(struct window *);
|
||||
void window_scroll_resize(struct window *, u_int, u_int);
|
||||
void window_scroll_draw(
|
||||
struct window *, struct screen_draw_ctx *, u_int, u_int);
|
||||
void window_scroll_key(struct window *, int);
|
||||
|
||||
void window_scroll_draw_position(struct window *, struct screen_draw_ctx *);
|
||||
void window_scroll_redraw_screen(struct window *);
|
||||
void window_scroll_write_line(
|
||||
struct window *, struct screen_write_ctx *, u_int);
|
||||
void window_scroll_write_column(
|
||||
struct window *, struct screen_write_ctx *, u_int);
|
||||
|
||||
void window_scroll_up_1(struct window *);
|
||||
void window_scroll_down_1(struct window *);
|
||||
void window_scroll_left_1(struct window *);
|
||||
void window_scroll_right_1(struct window *);
|
||||
void window_scroll_scroll_up(struct window *);
|
||||
void window_scroll_scroll_down(struct window *);
|
||||
void window_scroll_scroll_left(struct window *);
|
||||
void window_scroll_scroll_right(struct window *);
|
||||
|
||||
const struct window_mode window_scroll_mode = {
|
||||
window_scroll_init,
|
||||
window_scroll_free,
|
||||
window_scroll_resize,
|
||||
window_scroll_draw,
|
||||
window_scroll_key
|
||||
};
|
||||
|
||||
struct window_scroll_mode_data {
|
||||
u_int ox;
|
||||
u_int oy;
|
||||
u_int size;
|
||||
struct screen screen;
|
||||
|
||||
u_int ox;
|
||||
u_int oy;
|
||||
};
|
||||
|
||||
void
|
||||
window_scroll_init(struct window *w)
|
||||
{
|
||||
struct window_scroll_mode_data *data;
|
||||
struct screen *s;
|
||||
struct screen_write_ctx ctx;
|
||||
u_int i;
|
||||
|
||||
w->modedata = data = xmalloc(sizeof *data);
|
||||
data->ox = data->oy = 0;
|
||||
data->size = w->screen.hsize;
|
||||
data->ox = 0;
|
||||
data->oy = 0;
|
||||
|
||||
w->screen.mode |= MODE_BACKGROUND;
|
||||
w->screen.mode &= ~MODE_BGCURSOR;
|
||||
s = &data->screen;
|
||||
screen_create(s, screen_size_x(&w->base), screen_size_y(&w->base));
|
||||
s->mode = 0;
|
||||
w->screen = s;
|
||||
|
||||
screen_write_start(&ctx, s, NULL, NULL);
|
||||
for (i = 0; i < screen_size_y(s); i++)
|
||||
window_scroll_write_line(w, &ctx, i);
|
||||
screen_write_stop(&ctx);
|
||||
}
|
||||
|
||||
void
|
||||
window_scroll_resize(unused struct window *w, unused u_int sx, unused u_int sy)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
window_scroll_draw_position(struct window *w, struct screen_draw_ctx *ctx)
|
||||
window_scroll_free(struct window *w)
|
||||
{
|
||||
struct window_scroll_mode_data *data = w->modedata;
|
||||
char *ptr, buf[32];
|
||||
size_t len;
|
||||
|
||||
len = xsnprintf(
|
||||
buf, sizeof buf, "[%u,%u/%u]", data->ox, data->oy, data->size);
|
||||
if (len <= screen_size_x(ctx->s))
|
||||
ptr = buf;
|
||||
else {
|
||||
ptr = buf + len - screen_size_x(ctx->s);
|
||||
len -= len - screen_size_x(ctx->s);
|
||||
}
|
||||
|
||||
screen_draw_cells(ctx, 0, 0, screen_size_x(ctx->s) - len);
|
||||
|
||||
screen_draw_move_cursor(ctx, screen_size_x(ctx->s) - len, 0);
|
||||
screen_draw_set_attributes(ctx, 0, status_colour);
|
||||
screen_draw_write_string(ctx, "%s", ptr);
|
||||
w->screen = &w->base;
|
||||
screen_destroy(&data->screen);
|
||||
|
||||
w->mode = NULL;
|
||||
xfree(w->modedata);
|
||||
}
|
||||
|
||||
void
|
||||
window_scroll_draw(
|
||||
struct window *w, struct screen_draw_ctx *ctx, u_int py, u_int ny)
|
||||
window_scroll_resize(struct window *w, u_int sx, u_int sy)
|
||||
{
|
||||
struct window_scroll_mode_data *data = w->modedata;
|
||||
struct screen *s = &w->screen;
|
||||
struct screen *s = &data->screen;
|
||||
|
||||
if (s->hsize != data->size) {
|
||||
data->oy += s->hsize - data->size;
|
||||
data->size = s->hsize;
|
||||
}
|
||||
screen_draw_set_offset(ctx, data->ox, data->oy);
|
||||
|
||||
if (py != 0)
|
||||
screen_draw_lines(ctx, py, ny);
|
||||
else {
|
||||
if (ny > 1)
|
||||
screen_draw_lines(ctx, py + 1, ny - 1);
|
||||
window_scroll_draw_position(w, ctx);
|
||||
}
|
||||
screen_resize(s, sx, sy);
|
||||
screen_display_copy_area(&data->screen, &w->base,
|
||||
0, 0, screen_size_x(s), screen_size_y(s), data->ox, data->oy);
|
||||
}
|
||||
|
||||
void
|
||||
window_scroll_key(struct window *w, int key)
|
||||
{
|
||||
struct window_scroll_mode_data *data = w->modedata;
|
||||
u_int ox, oy, sx, sy;
|
||||
|
||||
sx = screen_size_x(&w->screen);
|
||||
sy = screen_size_y(&w->screen);
|
||||
|
||||
ox = data->ox;
|
||||
oy = data->oy;
|
||||
struct screen *s = &data->screen;
|
||||
|
||||
switch (key) {
|
||||
case 'Q':
|
||||
case 'q':
|
||||
w->mode = NULL;
|
||||
xfree(w->modedata);
|
||||
|
||||
w->screen.mode &= ~MODE_BACKGROUND;
|
||||
|
||||
recalculate_sizes();
|
||||
window_scroll_free(w);
|
||||
server_redraw_window(w);
|
||||
return;
|
||||
break;
|
||||
case 'h':
|
||||
case KEYC_LEFT:
|
||||
window_scroll_left_1(w);
|
||||
return;
|
||||
window_scroll_scroll_left(w);
|
||||
break;
|
||||
case 'l':
|
||||
case KEYC_RIGHT:
|
||||
window_scroll_right_1(w);
|
||||
return;
|
||||
window_scroll_scroll_right(w);
|
||||
break;
|
||||
case 'k':
|
||||
case 'K':
|
||||
case KEYC_UP:
|
||||
window_scroll_up_1(w);
|
||||
return;
|
||||
window_scroll_scroll_up(w);
|
||||
break;
|
||||
case 'j':
|
||||
case 'J':
|
||||
case KEYC_DOWN:
|
||||
window_scroll_down_1(w);
|
||||
return;
|
||||
window_scroll_scroll_down(w);
|
||||
break;
|
||||
case '\025': /* C-u */
|
||||
case KEYC_PPAGE:
|
||||
if (data->oy + sy > data->size)
|
||||
data->oy = data->size;
|
||||
if (data->oy + screen_size_y(s) > w->base.hsize)
|
||||
data->oy = w->base.hsize;
|
||||
else
|
||||
data->oy += sy;
|
||||
data->oy += screen_size_y(s);
|
||||
window_scroll_redraw_screen(w);
|
||||
break;
|
||||
case '\006': /* C-f */
|
||||
case KEYC_NPAGE:
|
||||
if (data->oy < sy)
|
||||
if (data->oy < screen_size_y(s))
|
||||
data->oy = 0;
|
||||
else
|
||||
data->oy -= sy;
|
||||
data->oy -= screen_size_y(s);
|
||||
window_scroll_redraw_screen(w);
|
||||
break;
|
||||
}
|
||||
if (ox != data->ox || oy != data->oy)
|
||||
server_redraw_window(w);
|
||||
}
|
||||
|
||||
void
|
||||
window_scroll_up_1(struct window *w)
|
||||
window_scroll_write_line(
|
||||
struct window *w, struct screen_write_ctx *ctx, u_int py)
|
||||
{
|
||||
struct window_scroll_mode_data *data = w->modedata;
|
||||
struct screen_draw_ctx ctx;
|
||||
struct screen *s = &data->screen;
|
||||
size_t size;
|
||||
|
||||
if (data->oy >= data->size)
|
||||
if (py == 0) {
|
||||
screen_write_set_attributes(ctx, 0, status_colour);
|
||||
screen_write_move_cursor(ctx, 0, 0);
|
||||
size = screen_write_put_string_rjust(
|
||||
ctx, "[%u,%u/%u]", data->ox, data->oy, w->base.hsize);
|
||||
} else
|
||||
size = 0;
|
||||
screen_write_move_cursor(ctx, 0, py);
|
||||
screen_write_copy_area(
|
||||
ctx, &w->base, screen_size_x(s) - size, 1, data->ox, data->oy);
|
||||
}
|
||||
|
||||
void
|
||||
window_scroll_write_column(
|
||||
struct window *w, struct screen_write_ctx *ctx, u_int px)
|
||||
{
|
||||
struct window_scroll_mode_data *data = w->modedata;
|
||||
struct screen *s = &data->screen;
|
||||
|
||||
screen_write_move_cursor(ctx, px, 0);
|
||||
screen_write_copy_area(
|
||||
ctx, &w->base, 1, screen_size_y(s), data->ox, data->oy);
|
||||
}
|
||||
|
||||
void
|
||||
window_scroll_redraw_screen(struct window *w)
|
||||
{
|
||||
struct window_scroll_mode_data *data = w->modedata;
|
||||
struct screen *s = &data->screen;
|
||||
struct screen_write_ctx ctx;
|
||||
u_int i;
|
||||
|
||||
screen_write_start_window(&ctx, w);
|
||||
for (i = 0; i < screen_size_y(s); i++)
|
||||
window_scroll_write_line(w, &ctx, i);
|
||||
screen_write_stop(&ctx);
|
||||
}
|
||||
|
||||
void
|
||||
window_scroll_scroll_up(struct window *w)
|
||||
{
|
||||
struct window_scroll_mode_data *data = w->modedata;
|
||||
struct screen_write_ctx ctx;
|
||||
|
||||
if (data->oy >= w->base.hsize)
|
||||
return;
|
||||
data->oy++;
|
||||
|
||||
screen_draw_start_window(&ctx, w, data->ox, data->oy);
|
||||
screen_draw_move_cursor(&ctx, 0, 0);
|
||||
screen_draw_insert_lines(&ctx, 1);
|
||||
window_scroll_draw_position(w, &ctx);
|
||||
screen_draw_line(&ctx, 1);
|
||||
screen_draw_stop(&ctx);
|
||||
screen_write_start_window(&ctx, w);
|
||||
screen_write_move_cursor(&ctx, 0, 0);
|
||||
screen_write_insert_lines(&ctx, 1);
|
||||
window_scroll_write_line(w, &ctx, 0);
|
||||
window_scroll_write_line(w, &ctx, 1);
|
||||
screen_write_stop(&ctx);
|
||||
}
|
||||
|
||||
void
|
||||
window_scroll_down_1(struct window *w)
|
||||
window_scroll_scroll_down(struct window *w)
|
||||
{
|
||||
struct window_scroll_mode_data *data = w->modedata;
|
||||
struct screen_draw_ctx ctx;
|
||||
struct screen *s = &data->screen;
|
||||
struct screen_write_ctx ctx;
|
||||
|
||||
if (data->oy == 0)
|
||||
return;
|
||||
data->oy--;
|
||||
|
||||
screen_draw_start_window(&ctx, w, data->ox, data->oy);
|
||||
screen_draw_move_cursor(&ctx, 0, 0);
|
||||
screen_draw_delete_lines(&ctx, 1);
|
||||
screen_draw_line(&ctx, screen_last_y(&w->screen));
|
||||
window_scroll_draw_position(w, &ctx);
|
||||
screen_draw_stop(&ctx);
|
||||
screen_write_start_window(&ctx, w);
|
||||
screen_write_move_cursor(&ctx, 0, 0);
|
||||
screen_write_delete_lines(&ctx, 1);
|
||||
window_scroll_write_line(w, &ctx, screen_last_y(s));
|
||||
window_scroll_write_line(w, &ctx, 0);
|
||||
screen_write_stop(&ctx);
|
||||
}
|
||||
|
||||
void
|
||||
window_scroll_right_1(struct window *w)
|
||||
window_scroll_scroll_right(struct window *w)
|
||||
{
|
||||
struct window_scroll_mode_data *data = w->modedata;
|
||||
struct screen_draw_ctx ctx;
|
||||
struct screen *s = &data->screen;
|
||||
struct screen_write_ctx ctx;
|
||||
u_int i;
|
||||
|
||||
if (data->ox >= SHRT_MAX)
|
||||
return;
|
||||
data->ox++;
|
||||
|
||||
screen_draw_start_window(&ctx, w, data->ox, data->oy);
|
||||
for (i = 1; i < screen_size_y(&w->screen); i++) {
|
||||
screen_draw_move_cursor(&ctx, 0, i);
|
||||
screen_draw_delete_characters(&ctx, 1);
|
||||
screen_write_start_window(&ctx, w);
|
||||
for (i = 1; i < screen_size_y(s); i++) {
|
||||
screen_write_move_cursor(&ctx, 0, i);
|
||||
screen_write_delete_characters(&ctx, 1);
|
||||
}
|
||||
screen_draw_column(&ctx, screen_last_x(&w->screen));
|
||||
window_scroll_draw_position(w, &ctx);
|
||||
screen_draw_stop(&ctx);
|
||||
window_scroll_write_column(w, &ctx, screen_last_x(s));
|
||||
window_scroll_write_line(w, &ctx, 0);
|
||||
screen_write_stop(&ctx);
|
||||
}
|
||||
|
||||
void
|
||||
window_scroll_left_1(struct window *w)
|
||||
window_scroll_scroll_left(struct window *w)
|
||||
{
|
||||
struct window_scroll_mode_data *data = w->modedata;
|
||||
struct screen_draw_ctx ctx;
|
||||
struct screen *s = &data->screen;
|
||||
struct screen_write_ctx ctx;
|
||||
u_int i;
|
||||
|
||||
if (data->ox == 0)
|
||||
return;
|
||||
data->ox--;
|
||||
|
||||
|
||||
screen_draw_start_window(&ctx, w, data->ox, data->oy);
|
||||
for (i = 1; i < screen_size_y(&w->screen); i++) {
|
||||
screen_draw_move_cursor(&ctx, 0, i);
|
||||
screen_draw_insert_characters(&ctx, 1);
|
||||
screen_write_start_window(&ctx, w);
|
||||
for (i = 1; i < screen_size_y(s); i++) {
|
||||
screen_write_move_cursor(&ctx, 0, i);
|
||||
screen_write_insert_characters(&ctx, 1);
|
||||
}
|
||||
screen_draw_column(&ctx, 0);
|
||||
window_scroll_draw_position(w, &ctx);
|
||||
screen_draw_stop(&ctx);
|
||||
window_scroll_write_column(w, &ctx, 0);
|
||||
window_scroll_write_line(w, &ctx, 0);
|
||||
screen_write_stop(&ctx);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user