diff options
Diffstat (limited to 'window-scroll.c')
| -rw-r--r-- | window-scroll.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/window-scroll.c b/window-scroll.c new file mode 100644 index 00000000..93d4f4e0 --- /dev/null +++ b/window-scroll.c @@ -0,0 +1,122 @@ +/* $Id: window-scroll.c,v 1.1 2007-11-21 13:11:41 nicm Exp $ */ + +/* + * Copyright (c) 2007 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 "tmux.h" + +void window_scroll_init(struct window *); +void window_scroll_resize(struct window *, u_int, u_int); +void window_scroll_draw(struct window *, struct buffer *, u_int, u_int); +void window_scroll_key(struct window *, int); + +const struct window_mode window_scroll_mode = { + window_scroll_init, + window_scroll_resize, + window_scroll_draw, + window_scroll_key +}; + +u_int window_scroll_offset; +u_int window_scroll_size; + +void +window_scroll_init(struct window *w) +{ + window_scroll_offset = 0; + window_scroll_size = w->screen.hsize; +} + +void +window_scroll_resize(struct window *w, u_int sx, u_int sy) +{ +} + +void +window_scroll_draw(struct window *w, struct buffer *b, u_int py, u_int ny) +{ + struct screen *s = &w->screen; + char buf[32]; + size_t len; + + if (s->hsize != window_scroll_size) { + window_scroll_offset += s->hsize - window_scroll_size; + window_scroll_size = s->hsize; + } + + screen_draw(s, b, py, ny, window_scroll_offset); + input_store_zero(b, CODE_CURSOROFF); + + if (py == 0 && ny > 0) { + len = screen_size_x(s); + if (len > (sizeof buf) - 1) + len = (sizeof buf) - 1; + len = xsnprintf(buf, len + 1, "{%u/%u}", + window_scroll_offset, s->hsize); + + input_store_two( + b, CODE_CURSORMOVE, 0, screen_size_x(s) - len + 1); + input_store_two(b, CODE_ATTRIBUTES, 0, status_colour); + buffer_write(b, buf, len); + } +} + +void +window_scroll_key(struct window *w, int key) +{ + u_int sy = screen_size_y(&w->screen); + + switch (key) { + case 'Q': + case 'q': + w->mode = NULL; + recalculate_sizes(); + server_redraw_window_all(w); + break; + case 'k': + case 'K': + case KEYC_UP: + if (window_scroll_offset < window_scroll_size) + window_scroll_offset++; + server_redraw_window_all(w); + break; + case 'j': + case 'J': + case KEYC_DOWN: + if (window_scroll_offset > 0) + window_scroll_offset--; + server_redraw_window_all(w); + break; + case '\025': + case KEYC_PPAGE: + if (window_scroll_offset + sy > window_scroll_size) + window_scroll_offset = window_scroll_size; + else + window_scroll_offset += sy; + server_redraw_window_all(w); + break; + case '\006': + case KEYC_NPAGE: + if (window_scroll_offset < sy) + window_scroll_offset = 0; + else + window_scroll_offset -= sy; + server_redraw_window_all(w); + break; + } +} |