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Add a -T flag to resize-pane to trim lines below the cursor, moving

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lines out of the history. GitHub issue 2134.
This commit is contained in:
nicm 2020-03-31 17:13:20 +00:00
parent 2624edde46
commit e6cddcf752
3 changed files with 32 additions and 3 deletions
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17
cmd-resize-pane.c
View File

@ -36,8 +36,8 @@ const struct cmd_entry cmd_resize_pane_entry = {
.name = "resize-pane",
.alias = "resizep",
.args = { "DLMRt:Ux:y:Z", 0, 1 },
.usage = "[-DLMRUZ] [-x width] [-y height] " CMD_TARGET_PANE_USAGE " "
.args = { "DLMRTt:Ux:y:Z", 0, 1 },
.usage = "[-DLMRTUZ] [-x width] [-y height] " CMD_TARGET_PANE_USAGE " "
"[adjustment]",
.target = { 't', CMD_FIND_PANE, 0 },
@ -60,6 +60,19 @@ cmd_resize_pane_exec(struct cmd *self, struct cmdq_item *item)
char *cause;
u_int adjust;
int x, y;
struct grid *gd = wp->base.grid;
if (args_has(args, 'T')) {
if (!TAILQ_EMPTY(&wp->modes))
return (CMD_RETURN_NORMAL);
adjust = screen_size_y(&wp->base) - 1 - wp->base.cy;
if (adjust > gd->hsize)
adjust = gd->hsize;
grid_remove_history(gd, adjust);
wp->base.cy += adjust;
wp->flags |= PANE_REDRAW;
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 'M')) {
if (cmd_mouse_window(&shared->mouse, &s) == NULL)

13
grid.c
View File

@ -351,6 +351,19 @@ grid_collect_history(struct grid *gd)
gd->hscrolled = gd->hsize;
}
/* Remove lines from the bottom of the history. */
void
grid_remove_history(struct grid *gd, u_int ny)
{
u_int yy;
if (ny > gd->hsize)
return;
for (yy = 0; yy < ny; yy++)
grid_free_line(gd, gd->hsize + gd->sy - 1 - yy);
gd->hsize -= ny;
}
/*
* Scroll the entire visible screen, moving one line into the history. Just
* allocate a new line at the bottom and move the history size indicator.

5
tmux.1
View File

@ -2261,7 +2261,7 @@ Rename the current window, or the window at
if specified, to
.Ar new-name .
.It Xo Ic resize-pane
.Op Fl DLMRUZ
.Op Fl DLMRTUZ
.Op Fl t Ar target-pane
.Op Fl x Ar width
.Op Fl y Ar height
@ -2300,6 +2300,9 @@ and unzoomed (its normal position in the layout).
.Fl M
begins mouse resizing (only valid if bound to a mouse key binding, see
.Sx MOUSE SUPPORT ) .
.Pp T
trims all lines below the current cursor position and moves lines out of the
history to replace them.
.It Xo Ic resize-window
.Op Fl aADLRU
.Op Fl t Ar target-window