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Rectangle copy support, from Robin Lee Powell.

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This commit is contained in:
Nicholas Marriott
2010-02-06 17:35:01 +00:00
parent 8aba77b7be
commit 3ef3802629
5 changed files with 181 additions and 58 deletions
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112
window-copy.c
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@@ -68,6 +68,7 @@ void window_copy_cursor_next_word_end(struct window_pane *, const char *);
void window_copy_cursor_previous_word(struct window_pane *, const char *);
void window_copy_scroll_up(struct window_pane *, u_int);
void window_copy_scroll_down(struct window_pane *, u_int);
void window_copy_rectangle_toggle(struct window_pane *);
const struct window_mode window_copy_mode = {
window_copy_init,
@@ -95,6 +96,8 @@ struct window_copy_mode_data {
u_int selx;
u_int sely;
u_int rectflag; /* are we in rectangle copy mode? */
u_int cx;
u_int cy;
@@ -126,6 +129,8 @@ window_copy_init(struct window_pane *wp)
data->lastcx = 0;
data->lastsx = 0;
data->rectflag = 0;
data->inputtype = WINDOW_COPY_OFF;
data->inputprompt = NULL;
data->inputstr = xstrdup("");
@@ -379,6 +384,9 @@ window_copy_key(struct window_pane *wp, struct client *c, int key)
data->inputprompt = "Goto Line";
*data->inputstr = '\0';
goto input_on;
case MODEKEYCOPY_RECTANGLETOGGLE:
window_copy_rectangle_toggle(wp);
return;
default:
break;
}
@@ -823,7 +831,7 @@ window_copy_update_selection(struct window_pane *wp)
struct screen *s = &data->screen;
struct options *oo = &wp->window->options;
struct grid_cell gc;
u_int sx, sy, ty;
u_int sx, sy, ty, cy;
if (!s->sel.flag)
return (0);
@@ -841,17 +849,33 @@ window_copy_update_selection(struct window_pane *wp)
sx = data->selx;
sy = data->sely;
if (sy < ty) { /* above screen */
sx = 0;
if (!data->rectflag)
sx = 0;
sy = 0;
} else if (sy > ty + screen_size_y(s) - 1) { /* below screen */
sx = screen_size_x(s) - 1;
if (!data->rectflag)
sx = screen_size_x(s) - 1;
sy = screen_size_y(s) - 1;
} else
sy -= ty;
sy = screen_hsize(s) + sy;
screen_set_selection(
s, sx, sy, data->cx, screen_hsize(s) + data->cy, &gc);
screen_set_selection(s,
sx, sy, data->cx, screen_hsize(s) + data->cy, data->rectflag, &gc);
if (data->rectflag) {
/*
* Can't rely on the caller to redraw the right lines for
* rectangle selection - find the highest line and the number
* of lines, and redraw just past that in both directions
*/
cy = data->cy;
if (sy < cy)
window_copy_redraw_lines(wp, sy, cy - sy + 1);
else
window_copy_redraw_lines(wp, cy, sy - cy + 1);
}
return (1);
}
@@ -861,8 +885,9 @@ window_copy_copy_selection(struct window_pane *wp, struct client *c)
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
char *buf;
size_t off;
u_int i, xx, yy, sx, sy, ex, ey, limit;
size_t off;
u_int i, xx, yy, sx, sy, ex, ey, limit;
u_int firstsx, lastex, restex, restsx;
if (!s->sel.flag)
return;
@@ -893,17 +918,53 @@ window_copy_copy_selection(struct window_pane *wp, struct client *c)
if (ex > xx)
ex = xx;
/*
* Deal with rectangle-copy if necessary; four situations: start of
* first line (firstsx), end of last line (lastex), start (restsx) and
* end (restex) of all other lines.
*/
xx = screen_size_x(s);
if (data->rectflag) {
/*
* Need to ignore the column with the cursor in it, which for
* rectangular copy means knowing which side the cursor is on.
*/
if (data->selx < data->cx) {
/* Selection start is on the left. */
lastex = data->cx;
restex = data->cx;
firstsx = data->selx;
restsx = data->selx;
} else {
/* Cursor is on the left. */
lastex = data->selx + 1;
restex = data->selx + 1;
firstsx = data->cx + 1;
restsx = data->cx + 1;
}
} else {
/*
* Like emacs, keep the top-left-most character, and drop the
* bottom-right-most, regardless of copy direction.
*/
lastex = ex;
restex = xx;
firstsx = sx;
restsx = 0;
}
/* Copy the lines. */
if (sy == ey)
window_copy_copy_line(wp, &buf, &off, sy, sx, ex);
window_copy_copy_line(wp, &buf, &off, sy, firstsx, lastex);
else {
xx = screen_size_x(s);
window_copy_copy_line(wp, &buf, &off, sy, sx, xx);
window_copy_copy_line(wp, &buf, &off, sy, firstsx, restex);
if (ey - sy > 1) {
for (i = sy + 1; i < ey; i++)
window_copy_copy_line(wp, &buf, &off, i, 0, xx);
for (i = sy + 1; i < ey; i++) {
window_copy_copy_line(
wp, &buf, &off, i, restsx, restex);
}
}
window_copy_copy_line(wp, &buf, &off, ey, 0, ex);
window_copy_copy_line(wp, &buf, &off, ey, restsx, lastex);
}
/* Don't bother if no data. */
@@ -1288,7 +1349,6 @@ window_copy_scroll_up(struct window_pane *wp, u_int ny)
if (ny == 0)
return;
data->oy -= ny;
window_copy_update_selection(wp);
screen_write_start(&ctx, wp, NULL);
screen_write_cursormove(&ctx, 0, 0);
@@ -1299,9 +1359,12 @@ window_copy_scroll_up(struct window_pane *wp, u_int ny)
window_copy_write_line(wp, &ctx, 1);
if (screen_size_y(s) > 3)
window_copy_write_line(wp, &ctx, screen_size_y(s) - 2);
if (s->sel.flag && screen_size_y(s) > ny)
if (s->sel.flag && screen_size_y(s) > ny) {
window_copy_update_selection(wp);
window_copy_write_line(wp, &ctx, screen_size_y(s) - ny - 1);
}
screen_write_cursormove(&ctx, data->cx, data->cy);
window_copy_update_selection(wp);
screen_write_stop(&ctx);
}
@@ -1320,16 +1383,29 @@ window_copy_scroll_down(struct window_pane *wp, u_int ny)
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)
if (s->sel.flag && screen_size_y(s) > ny) {
window_copy_update_selection(wp);
window_copy_write_line(wp, &ctx, ny);
else if (ny == 1) /* nuke position */
} else if (ny == 1) /* nuke position */
window_copy_write_line(wp, &ctx, 1);
screen_write_cursormove(&ctx, data->cx, data->cy);
window_copy_update_selection(wp);
screen_write_stop(&ctx);
}
void
window_copy_rectangle_toggle(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
data->rectflag = !data->rectflag;
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
}