mirror of
https://github.com/tmux/tmux.git
synced 2024-11-04 18:08:48 +00:00
7a359c00ac
scroll key to C-b instead of C-u and use C-u/C-d for half page scrolling with vi keys. In emacs mode, half page scrolling is bound to M-Up and M-Down. Suggested by merdely (about a year ago :-)).
861 lines
21 KiB
C
861 lines
21 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <string.h>
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#include "tmux.h"
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struct screen *window_copy_init(struct window_pane *);
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void window_copy_free(struct window_pane *);
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void window_copy_resize(struct window_pane *, u_int, u_int);
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void window_copy_key(struct window_pane *, struct client *, int);
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void window_copy_mouse(
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struct window_pane *, struct client *, u_char, u_char, u_char);
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void window_copy_redraw_lines(struct window_pane *, u_int, u_int);
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void window_copy_redraw_screen(struct window_pane *);
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void window_copy_write_line(
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struct window_pane *, struct screen_write_ctx *, u_int);
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void window_copy_write_lines(
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struct window_pane *, struct screen_write_ctx *, u_int, u_int);
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void window_copy_update_cursor(struct window_pane *, u_int, u_int);
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void window_copy_start_selection(struct window_pane *);
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int window_copy_update_selection(struct window_pane *);
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void window_copy_copy_selection(struct window_pane *, struct client *);
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void window_copy_copy_line(
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struct window_pane *, char **, size_t *, u_int, u_int, u_int);
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int window_copy_is_space(struct window_pane *, u_int, u_int);
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u_int window_copy_find_length(struct window_pane *, u_int);
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void window_copy_cursor_start_of_line(struct window_pane *);
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void window_copy_cursor_back_to_indentation(struct window_pane *);
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void window_copy_cursor_end_of_line(struct window_pane *);
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void window_copy_cursor_left(struct window_pane *);
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void window_copy_cursor_right(struct window_pane *);
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void window_copy_cursor_up(struct window_pane *);
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void window_copy_cursor_down(struct window_pane *);
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void window_copy_cursor_next_word(struct window_pane *);
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void window_copy_cursor_previous_word(struct window_pane *);
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void window_copy_scroll_up(struct window_pane *, u_int);
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void window_copy_scroll_down(struct window_pane *, u_int);
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const struct window_mode window_copy_mode = {
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window_copy_init,
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window_copy_free,
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window_copy_resize,
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window_copy_key,
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window_copy_mouse,
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NULL,
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};
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struct window_copy_mode_data {
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struct screen screen;
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struct mode_key_data mdata;
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u_int oy;
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u_int selx;
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u_int sely;
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u_int cx;
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u_int cy;
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};
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struct screen *
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window_copy_init(struct window_pane *wp)
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{
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struct window_copy_mode_data *data;
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struct screen *s;
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struct screen_write_ctx ctx;
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u_int i;
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int keys;
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wp->modedata = data = xmalloc(sizeof *data);
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data->oy = 0;
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data->cx = wp->base.cx;
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data->cy = wp->base.cy;
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s = &data->screen;
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screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
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if (options_get_number(&wp->window->options, "mode-mouse"))
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s->mode |= MODE_MOUSE;
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keys = options_get_number(&wp->window->options, "mode-keys");
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if (keys == MODEKEY_EMACS)
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mode_key_init(&data->mdata, &mode_key_tree_emacs_copy);
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else
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mode_key_init(&data->mdata, &mode_key_tree_vi_copy);
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s->cx = data->cx;
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s->cy = data->cy;
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screen_write_start(&ctx, NULL, s);
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for (i = 0; i < screen_size_y(s); i++)
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window_copy_write_line(wp, &ctx, i);
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screen_write_cursormove(&ctx, data->cx, data->cy);
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screen_write_stop(&ctx);
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return (s);
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}
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void
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window_copy_free(struct window_pane *wp)
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{
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struct window_copy_mode_data *data = wp->modedata;
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screen_free(&data->screen);
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xfree(data);
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}
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void
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window_copy_pageup(struct window_pane *wp)
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{
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struct window_copy_mode_data *data = wp->modedata;
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struct screen *s = &data->screen;
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u_int n;
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n = 1;
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if (screen_size_y(s) > 2)
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n = screen_size_y(s) - 2;
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if (data->oy + n > screen_hsize(&wp->base))
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data->oy = screen_hsize(&wp->base);
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else
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data->oy += n;
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window_copy_update_selection(wp);
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window_copy_redraw_screen(wp);
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}
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void
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window_copy_resize(struct window_pane *wp, u_int sx, u_int sy)
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{
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struct window_copy_mode_data *data = wp->modedata;
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struct screen *s = &data->screen;
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struct screen_write_ctx ctx;
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screen_resize(s, sx, sy);
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if (data->cy > sy - 1)
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data->cy = sy - 1;
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if (data->cx > sx)
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data->cx = sx;
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screen_clear_selection(&data->screen);
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screen_write_start(&ctx, NULL, s);
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window_copy_write_lines(wp, &ctx, 0, screen_size_y(s) - 1);
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screen_write_stop(&ctx);
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window_copy_redraw_screen(wp);
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}
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void
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window_copy_key(struct window_pane *wp, struct client *c, int key)
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{
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struct window_copy_mode_data *data = wp->modedata;
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struct screen *s = &data->screen;
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u_int n;
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switch (mode_key_lookup(&data->mdata, key)) {
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case MODEKEYCOPY_CANCEL:
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window_pane_reset_mode(wp);
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break;
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case MODEKEYCOPY_LEFT:
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window_copy_cursor_left(wp);
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return;
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case MODEKEYCOPY_RIGHT:
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window_copy_cursor_right(wp);
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return;
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case MODEKEYCOPY_UP:
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window_copy_cursor_up(wp);
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return;
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case MODEKEYCOPY_DOWN:
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window_copy_cursor_down(wp);
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return;
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case MODEKEYCOPY_PREVIOUSPAGE:
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window_copy_pageup(wp);
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break;
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case MODEKEYCOPY_NEXTPAGE:
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n = 1;
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if (screen_size_y(s) > 2)
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n = screen_size_y(s) - 2;
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if (data->oy < n)
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data->oy = 0;
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else
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data->oy -= n;
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window_copy_update_selection(wp);
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window_copy_redraw_screen(wp);
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break;
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case MODEKEYCOPY_HALFPAGEUP:
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n = screen_size_y(s) / 2;
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if (data->oy + n > screen_hsize(&wp->base))
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data->oy = screen_hsize(&wp->base);
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else
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data->oy += n;
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window_copy_update_selection(wp);
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window_copy_redraw_screen(wp);
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break;
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case MODEKEYCOPY_HALFPAGEDOWN:
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n = screen_size_y(s) / 2;
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if (data->oy < n)
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data->oy = 0;
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else
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data->oy -= n;
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window_copy_update_selection(wp);
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window_copy_redraw_screen(wp);
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break;
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case MODEKEYCOPY_STARTSELECTION:
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window_copy_start_selection(wp);
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window_copy_redraw_screen(wp);
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break;
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case MODEKEYCOPY_CLEARSELECTION:
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screen_clear_selection(&data->screen);
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window_copy_redraw_screen(wp);
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break;
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case MODEKEYCOPY_COPYSELECTION:
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if (c != NULL && c->session != NULL) {
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window_copy_copy_selection(wp, c);
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window_pane_reset_mode(wp);
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}
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break;
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case MODEKEYCOPY_STARTOFLINE:
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window_copy_cursor_start_of_line(wp);
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break;
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case MODEKEYCOPY_BACKTOINDENTATION:
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window_copy_cursor_back_to_indentation(wp);
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break;
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case MODEKEYCOPY_ENDOFLINE:
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window_copy_cursor_end_of_line(wp);
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break;
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case MODEKEYCOPY_NEXTWORD:
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window_copy_cursor_next_word(wp);
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break;
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case MODEKEYCOPY_PREVIOUSWORD:
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window_copy_cursor_previous_word(wp);
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break;
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default:
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break;
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}
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}
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void
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window_copy_mouse(struct window_pane *wp,
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unused struct client *c, u_char b, u_char x, u_char y)
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{
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struct window_copy_mode_data *data = wp->modedata;
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struct screen *s = &data->screen;
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if ((b & 3) == 3)
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return;
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if (x >= screen_size_x(s))
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return;
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if (y >= screen_size_y(s))
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return;
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window_copy_update_cursor(wp, x, y);
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if (window_copy_update_selection(wp))
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window_copy_redraw_screen(wp);
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}
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void
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window_copy_write_line(
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struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
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{
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struct window_copy_mode_data *data = wp->modedata;
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struct screen *s = &data->screen;
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struct grid_cell gc;
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char hdr[32];
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size_t size;
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if (py == 0) {
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memcpy(&gc, &grid_default_cell, sizeof gc);
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size = xsnprintf(hdr, sizeof hdr,
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"[%u/%u]", data->oy, screen_hsize(&wp->base));
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gc.fg = options_get_number(&wp->window->options, "mode-fg");
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gc.bg = options_get_number(&wp->window->options, "mode-bg");
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gc.attr |= options_get_number(
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&wp->window->options, "mode-attr");
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screen_write_cursormove(ctx, screen_size_x(s) - size, 0);
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screen_write_puts(ctx, &gc, "%s", hdr);
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} else
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size = 0;
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screen_write_cursormove(ctx, 0, py);
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screen_write_copy(ctx, &wp->base, 0, (screen_hsize(&wp->base) -
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data->oy) + py, screen_size_x(s) - size, 1);
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if (py == data->cy && data->cx == screen_size_x(s)) {
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memcpy(&gc, &grid_default_cell, sizeof gc);
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screen_write_cursormove(ctx, screen_size_x(s) - 1, py);
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screen_write_putc(ctx, &gc, '$');
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}
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}
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void
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window_copy_write_lines(
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struct window_pane *wp, struct screen_write_ctx *ctx, u_int py, u_int ny)
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{
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u_int yy;
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for (yy = py; yy < py + ny; yy++)
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window_copy_write_line(wp, ctx, py);
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}
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void
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window_copy_redraw_lines(struct window_pane *wp, u_int py, u_int ny)
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{
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struct window_copy_mode_data *data = wp->modedata;
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struct screen_write_ctx ctx;
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u_int i;
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screen_write_start(&ctx, wp, NULL);
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for (i = py; i < py + ny; i++)
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window_copy_write_line(wp, &ctx, i);
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screen_write_cursormove(&ctx, data->cx, data->cy);
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screen_write_stop(&ctx);
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}
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void
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window_copy_redraw_screen(struct window_pane *wp)
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{
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struct window_copy_mode_data *data = wp->modedata;
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window_copy_redraw_lines(wp, 0, screen_size_y(&data->screen));
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}
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void
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window_copy_update_cursor(struct window_pane *wp, u_int cx, u_int cy)
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{
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struct window_copy_mode_data *data = wp->modedata;
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struct screen *s = &data->screen;
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struct screen_write_ctx ctx;
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u_int old_cx, old_cy;
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old_cx = data->cx; old_cy = data->cy;
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data->cx = cx; data->cy = cy;
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if (old_cx == screen_size_x(s))
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window_copy_redraw_lines(wp, old_cy, 1);
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if (data->cx == screen_size_x(s))
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window_copy_redraw_lines(wp, data->cy, 1);
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else {
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screen_write_start(&ctx, wp, NULL);
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screen_write_cursormove(&ctx, data->cx, data->cy);
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screen_write_stop(&ctx);
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}
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}
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void
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window_copy_start_selection(struct window_pane *wp)
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{
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struct window_copy_mode_data *data = wp->modedata;
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struct screen *s = &data->screen;
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data->selx = data->cx;
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data->sely = screen_hsize(&wp->base) + data->cy - data->oy;
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s->sel.flag = 1;
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window_copy_update_selection(wp);
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}
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int
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window_copy_update_selection(struct window_pane *wp)
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{
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struct window_copy_mode_data *data = wp->modedata;
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struct screen *s = &data->screen;
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struct grid_cell gc;
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u_int sx, sy, ty;
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if (!s->sel.flag)
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return (0);
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/* Set colours. */
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memcpy(&gc, &grid_default_cell, sizeof gc);
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gc.fg = options_get_number(&wp->window->options, "mode-fg");
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gc.bg = options_get_number(&wp->window->options, "mode-bg");
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gc.attr |= options_get_number(&wp->window->options, "mode-attr");
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/* Find top of screen. */
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ty = screen_hsize(&wp->base) - data->oy;
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/* Adjust the selection. */
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sx = data->selx;
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sy = data->sely;
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if (sy < ty) { /* above screen */
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sx = 0;
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sy = 0;
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} else if (sy > ty + screen_size_y(s) - 1) { /* below screen */
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sx = screen_size_x(s) - 1;
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sy = screen_size_y(s) - 1;
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} else
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sy -= ty;
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sy = screen_hsize(s) + sy;
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screen_set_selection(
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s, sx, sy, data->cx, screen_hsize(s) + data->cy, &gc);
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return (1);
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}
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void
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window_copy_copy_selection(struct window_pane *wp, struct client *c)
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{
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struct window_copy_mode_data *data = wp->modedata;
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struct screen *s = &data->screen;
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char *buf;
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size_t off;
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u_int i, xx, yy, sx, sy, ex, ey, limit;
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if (!s->sel.flag)
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return;
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buf = xmalloc(1);
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off = 0;
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*buf = '\0';
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/*
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* The selection extends from selx,sely to (adjusted) cx,cy on
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* the base screen.
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*/
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/* Find start and end. */
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xx = data->cx;
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yy = screen_hsize(&wp->base) + data->cy - data->oy;
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if (yy < data->sely || (yy == data->sely && xx < data->selx)) {
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sx = xx; sy = yy;
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ex = data->selx; ey = data->sely;
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} else {
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sx = data->selx; sy = data->sely;
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ex = xx; ey = yy;
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}
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/* Trim ex to end of line. */
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xx = window_copy_find_length(wp, ey);
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if (ex > xx)
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ex = xx;
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/* Copy the lines. */
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if (sy == ey)
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window_copy_copy_line(wp, &buf, &off, sy, sx, ex);
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else {
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xx = screen_size_x(s);
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window_copy_copy_line(wp, &buf, &off, sy, sx, xx);
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if (ey - sy > 1) {
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for (i = sy + 1; i < ey; i++)
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window_copy_copy_line(wp, &buf, &off, i, 0, xx);
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}
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window_copy_copy_line(wp, &buf, &off, ey, 0, ex);
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}
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/* Terminate buffer, overwriting final \n. */
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if (off != 0)
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buf[off - 1] = '\0';
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/* Add the buffer to the stack. */
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limit = options_get_number(&c->session->options, "buffer-limit");
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paste_add(&c->session->buffers, buf, limit);
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}
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void
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window_copy_copy_line(struct window_pane *wp,
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char **buf, size_t *off, u_int sy, u_int sx, u_int ex)
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{
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struct grid *gd = wp->base.grid;
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const struct grid_cell *gc;
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const struct grid_utf8 *gu;
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struct grid_line *gl;
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u_int i, j, xx, wrapped = 0;
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if (sx > ex)
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return;
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/*
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* Work out if the line was wrapped at the screen edge and all of it is
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* on screen.
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*/
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gl = &gd->linedata[sy];
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|
if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx)
|
|
wrapped = 1;
|
|
|
|
/* If the line was wrapped, don't strip spaces (use the full length). */
|
|
if (wrapped)
|
|
xx = gl->cellsize;
|
|
else
|
|
xx = window_copy_find_length(wp, sy);
|
|
if (ex > xx)
|
|
ex = xx;
|
|
if (sx > xx)
|
|
sx = xx;
|
|
|
|
if (sx < ex) {
|
|
for (i = sx; i < ex; i++) {
|
|
gc = grid_peek_cell(gd, i, sy);
|
|
if (gc->flags & GRID_FLAG_PADDING)
|
|
continue;
|
|
if (!(gc->flags & GRID_FLAG_UTF8)) {
|
|
*buf = xrealloc(*buf, 1, (*off) + 1);
|
|
(*buf)[(*off)++] = gc->data;
|
|
} else {
|
|
gu = grid_peek_utf8(gd, i, sy);
|
|
*buf = xrealloc(*buf, 1, (*off) + UTF8_SIZE);
|
|
for (j = 0; j < UTF8_SIZE; j++) {
|
|
if (gu->data[j] == 0xff)
|
|
break;
|
|
(*buf)[(*off)++] = gu->data[j];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Only add a newline if the line wasn't wrapped. */
|
|
if (!wrapped) {
|
|
*buf = xrealloc(*buf, 1, (*off) + 1);
|
|
(*buf)[(*off)++] = '\n';
|
|
}
|
|
}
|
|
|
|
int
|
|
window_copy_is_space(struct window_pane *wp, u_int px, u_int py)
|
|
{
|
|
const struct grid_cell *gc;
|
|
const char *spaces = " -_@";
|
|
|
|
gc = grid_peek_cell(wp->base.grid, px, py);
|
|
if (gc->flags & (GRID_FLAG_PADDING|GRID_FLAG_UTF8))
|
|
return (0);
|
|
if (gc->data == 0x00 || gc->data == 0x7f)
|
|
return (0);
|
|
return (strchr(spaces, gc->data) != NULL);
|
|
}
|
|
|
|
u_int
|
|
window_copy_find_length(struct window_pane *wp, u_int py)
|
|
{
|
|
const struct grid_cell *gc;
|
|
u_int px;
|
|
|
|
/*
|
|
* If the pane has been resized, its grid can contain old overlong
|
|
* lines. grid_peek_cell does not allow accessing cells beyond the
|
|
* width of the grid, and screen_write_copy treats them as spaces, so
|
|
* ignore them here too.
|
|
*/
|
|
px = wp->base.grid->linedata[py].cellsize;
|
|
if (px > screen_size_x(&wp->base))
|
|
px = screen_size_x(&wp->base);
|
|
while (px > 0) {
|
|
gc = grid_peek_cell(wp->base.grid, px - 1, py);
|
|
if (gc->flags & GRID_FLAG_UTF8)
|
|
break;
|
|
if (gc->data != ' ')
|
|
break;
|
|
px--;
|
|
}
|
|
return (px);
|
|
}
|
|
|
|
void
|
|
window_copy_cursor_start_of_line(struct window_pane *wp)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
|
|
window_copy_update_cursor(wp, 0, data->cy);
|
|
if (window_copy_update_selection(wp))
|
|
window_copy_redraw_lines(wp, data->cy, 1);
|
|
}
|
|
|
|
void
|
|
window_copy_cursor_back_to_indentation(struct window_pane *wp)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
u_int px, py, xx;
|
|
const struct grid_cell *gc;
|
|
|
|
px = 0;
|
|
py = screen_hsize(&wp->base) + data->cy - data->oy;
|
|
xx = window_copy_find_length(wp, py);
|
|
|
|
/*
|
|
* Don't use window_copy_is_space because that treats some word
|
|
* delimiters as spaces.
|
|
*/
|
|
while (px < xx) {
|
|
gc = grid_peek_cell(wp->base.grid, px, py);
|
|
if (gc->flags & GRID_FLAG_UTF8)
|
|
break;
|
|
if (gc->data != ' ')
|
|
break;
|
|
px++;
|
|
}
|
|
|
|
window_copy_update_cursor(wp, px, data->cy);
|
|
if (window_copy_update_selection(wp))
|
|
window_copy_redraw_lines(wp, data->cy, 1);
|
|
}
|
|
|
|
void
|
|
window_copy_cursor_end_of_line(struct window_pane *wp)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
u_int px, py;
|
|
|
|
py = screen_hsize(&wp->base) + data->cy - data->oy;
|
|
px = window_copy_find_length(wp, py);
|
|
|
|
window_copy_update_cursor(wp, px, data->cy);
|
|
if (window_copy_update_selection(wp))
|
|
window_copy_redraw_lines(wp, data->cy, 1);
|
|
}
|
|
|
|
void
|
|
window_copy_cursor_left(struct window_pane *wp)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
|
|
if (data->cx == 0) {
|
|
window_copy_cursor_up(wp);
|
|
window_copy_cursor_end_of_line(wp);
|
|
} else {
|
|
window_copy_update_cursor(wp, data->cx - 1, data->cy);
|
|
if (window_copy_update_selection(wp))
|
|
window_copy_redraw_lines(wp, data->cy, 1);
|
|
}
|
|
}
|
|
|
|
void
|
|
window_copy_cursor_right(struct window_pane *wp)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
u_int px, py;
|
|
|
|
py = screen_hsize(&wp->base) + data->cy - data->oy;
|
|
px = window_copy_find_length(wp, py);
|
|
|
|
if (data->cx >= px) {
|
|
window_copy_cursor_start_of_line(wp);
|
|
window_copy_cursor_down(wp);
|
|
} else {
|
|
window_copy_update_cursor(wp, data->cx + 1, data->cy);
|
|
if (window_copy_update_selection(wp))
|
|
window_copy_redraw_lines(wp, data->cy, 1);
|
|
}
|
|
}
|
|
|
|
void
|
|
window_copy_cursor_up(struct window_pane *wp)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
u_int ox, oy, px, py;
|
|
|
|
oy = screen_hsize(&wp->base) + data->cy - data->oy;
|
|
ox = window_copy_find_length(wp, oy);
|
|
|
|
if (data->cy == 0)
|
|
window_copy_scroll_down(wp, 1);
|
|
else {
|
|
window_copy_update_cursor(wp, data->cx, data->cy - 1);
|
|
if (window_copy_update_selection(wp))
|
|
window_copy_redraw_lines(wp, data->cy, 2);
|
|
}
|
|
|
|
py = screen_hsize(&wp->base) + data->cy - data->oy;
|
|
px = window_copy_find_length(wp, py);
|
|
|
|
if (data->cx >= px || data->cx >= ox)
|
|
window_copy_cursor_end_of_line(wp);
|
|
}
|
|
|
|
void
|
|
window_copy_cursor_down(struct window_pane *wp)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
struct screen *s = &data->screen;
|
|
u_int ox, oy, px, py;
|
|
|
|
oy = screen_hsize(&wp->base) + data->cy - data->oy;
|
|
ox = window_copy_find_length(wp, oy);
|
|
|
|
if (data->cy == screen_size_y(s) - 1)
|
|
window_copy_scroll_up(wp, 1);
|
|
else {
|
|
window_copy_update_cursor(wp, data->cx, data->cy + 1);
|
|
if (window_copy_update_selection(wp))
|
|
window_copy_redraw_lines(wp, data->cy - 1, 2);
|
|
}
|
|
|
|
py = screen_hsize(&wp->base) + data->cy - data->oy;
|
|
px = window_copy_find_length(wp, py);
|
|
|
|
if (data->cx >= px || data->cx >= ox)
|
|
window_copy_cursor_end_of_line(wp);
|
|
}
|
|
|
|
void
|
|
window_copy_cursor_next_word(struct window_pane *wp)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
struct screen *s = &data->screen;
|
|
u_int px, py, xx, skip;
|
|
|
|
px = data->cx;
|
|
py = screen_hsize(&wp->base) + data->cy - data->oy;
|
|
xx = window_copy_find_length(wp, py);
|
|
|
|
skip = 1;
|
|
if (px < xx) {
|
|
/* If currently on a space, skip space. */
|
|
if (window_copy_is_space(wp, px, py))
|
|
skip = 0;
|
|
} else
|
|
skip = 0;
|
|
for (;;) {
|
|
if (px >= xx) {
|
|
if (skip) {
|
|
px = xx;
|
|
break;
|
|
}
|
|
|
|
while (px >= xx) {
|
|
if (data->cy == screen_size_y(s) - 1) {
|
|
if (data->oy == 0)
|
|
goto out;
|
|
}
|
|
|
|
px = 0;
|
|
window_copy_cursor_down(wp);
|
|
|
|
py =screen_hsize(
|
|
&wp->base) + data->cy - data->oy;
|
|
xx = window_copy_find_length(wp, py);
|
|
}
|
|
}
|
|
|
|
if (skip) {
|
|
/* Currently skipping non-space (until space). */
|
|
if (window_copy_is_space(wp, px, py))
|
|
break;
|
|
} else {
|
|
/* Currently skipping space (until non-space). */
|
|
if (!window_copy_is_space(wp, px, py))
|
|
skip = 1;
|
|
}
|
|
|
|
px++;
|
|
}
|
|
|
|
out:
|
|
window_copy_update_cursor(wp, px, data->cy);
|
|
if (window_copy_update_selection(wp))
|
|
window_copy_redraw_lines(wp, data->cy, 1);
|
|
}
|
|
|
|
/* Move to the previous place where a word begins. */
|
|
void
|
|
window_copy_cursor_previous_word(struct window_pane *wp)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
u_int px, py;
|
|
|
|
px = data->cx;
|
|
py = screen_hsize(&wp->base) + data->cy - data->oy;
|
|
|
|
/* Move back to the previous word character. */
|
|
for (;;) {
|
|
if (px > 0) {
|
|
px--;
|
|
if (!window_copy_is_space(wp, px, py))
|
|
break;
|
|
} else {
|
|
if (data->cy == 0 &&
|
|
(screen_hsize(&wp->base) == 0 ||
|
|
data->oy >= screen_hsize(&wp->base) - 1))
|
|
goto out;
|
|
window_copy_cursor_up(wp);
|
|
|
|
py = screen_hsize(
|
|
&wp->base) + data->cy - data->oy;
|
|
px = window_copy_find_length(wp, py);
|
|
}
|
|
}
|
|
|
|
/* Move back to the beginning of this word. */
|
|
while (px > 0 && !window_copy_is_space(wp, px - 1, py))
|
|
px--;
|
|
|
|
out:
|
|
window_copy_update_cursor(wp, px, data->cy);
|
|
if (window_copy_update_selection(wp))
|
|
window_copy_redraw_lines(wp, data->cy, 1);
|
|
}
|
|
|
|
void
|
|
window_copy_scroll_up(struct window_pane *wp, u_int ny)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
struct screen *s = &data->screen;
|
|
struct screen_write_ctx ctx;
|
|
|
|
if (data->oy < ny)
|
|
ny = data->oy;
|
|
if (ny == 0)
|
|
return;
|
|
data->oy -= ny;
|
|
window_copy_update_selection(wp);
|
|
|
|
screen_write_start(&ctx, wp, NULL);
|
|
screen_write_cursormove(&ctx, 0, 0);
|
|
screen_write_deleteline(&ctx, ny);
|
|
window_copy_write_lines(wp, &ctx, screen_size_y(s) - ny, ny);
|
|
window_copy_write_line(wp, &ctx, 0);
|
|
window_copy_write_line(wp, &ctx, 1);
|
|
if (s->sel.flag && screen_size_y(s) > ny)
|
|
window_copy_write_line(wp, &ctx, screen_size_y(s) - ny - 1);
|
|
screen_write_cursormove(&ctx, data->cx, data->cy);
|
|
screen_write_stop(&ctx);
|
|
}
|
|
|
|
void
|
|
window_copy_scroll_down(struct window_pane *wp, u_int ny)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
struct screen *s = &data->screen;
|
|
struct screen_write_ctx ctx;
|
|
|
|
if (ny > screen_hsize(&wp->base))
|
|
return;
|
|
|
|
if (data->oy > screen_hsize(&wp->base) - ny)
|
|
ny = screen_hsize(&wp->base) - data->oy;
|
|
if (ny == 0)
|
|
return;
|
|
data->oy += ny;
|
|
window_copy_update_selection(wp);
|
|
|
|
screen_write_start(&ctx, wp, NULL);
|
|
screen_write_cursormove(&ctx, 0, 0);
|
|
screen_write_insertline(&ctx, ny);
|
|
window_copy_write_lines(wp, &ctx, 0, ny);
|
|
if (s->sel.flag && screen_size_y(s) > ny)
|
|
window_copy_write_line(wp, &ctx, ny);
|
|
else if (ny == 1) /* nuke position */
|
|
window_copy_write_line(wp, &ctx, 1);
|
|
screen_write_cursormove(&ctx, data->cx, data->cy);
|
|
screen_write_stop(&ctx);
|
|
}
|