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Custom layouts. list-windows command displays the layout as a string (such as

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"bb62,159x48,0,0{79x48,0,0,79x48,80,0}") and it can be applied to another
window (with the same number of panes or fewer) using select-layout.
This commit is contained in:
Nicholas Marriott
2010-06-29 03:30:13 +00:00
parent 76bbdeb586
commit 552c9cd83f
8 changed files with 382 additions and 59 deletions
Download Patch File Download Diff File Expand all files Collapse all files

128
layout.c
View File

@ -218,6 +218,27 @@ layout_fix_panes(struct window *w, u_int wsx, u_int wsy)
}
}
/* Count the number of available cells in a layout. */
u_int
layout_count_cells(struct layout_cell *lc)
{
struct layout_cell *lcchild;
u_int n;
switch (lc->type) {
case LAYOUT_WINDOWPANE:
return (1);
case LAYOUT_LEFTRIGHT:
case LAYOUT_TOPBOTTOM:
n = 0;
TAILQ_FOREACH(lcchild, &lc->cells, entry)
n += layout_count_cells(lcchild);
return (n);
default:
fatalx("bad layout type");
}
}
/* Calculate how much size is available to be removed from a cell. */
u_int
layout_resize_check(struct layout_cell *lc, enum layout_type type)
@ -302,6 +323,56 @@ layout_resize_adjust(struct layout_cell *lc, enum layout_type type, int change)
}
}
/* Destroy a cell and redistribute the space. */
void
layout_destroy_cell(struct layout_cell *lc, struct layout_cell **lcroot)
{
struct layout_cell *lcother, *lcparent;
/*
* If no parent, this is the last pane so window close is imminent and
* there is no need to resize anything.
*/
lcparent = lc->parent;
if (lcparent == NULL) {
layout_free_cell(lc);
*lcroot = NULL;
return;
}
/* Merge the space into the previous or next cell. */
if (lc == TAILQ_FIRST(&lcparent->cells))
lcother = TAILQ_NEXT(lc, entry);
else
lcother = TAILQ_PREV(lc, layout_cells, entry);
if (lcparent->type == LAYOUT_LEFTRIGHT)
layout_resize_adjust(lcother, lcparent->type, lc->sx + 1);
else
layout_resize_adjust(lcother, lcparent->type, lc->sy + 1);
/* Remove this from the parent's list. */
TAILQ_REMOVE(&lcparent->cells, lc, entry);
layout_free_cell(lc);
/*
* If the parent now has one cell, remove the parent from the tree and
* replace it by that cell.
*/
lc = TAILQ_FIRST(&lcparent->cells);
if (TAILQ_NEXT(lc, entry) == NULL) {
TAILQ_REMOVE(&lcparent->cells, lc, entry);
lc->parent = lcparent->parent;
if (lc->parent == NULL) {
lc->xoff = 0; lc->yoff = 0;
*lcroot = lc;
} else
TAILQ_REPLACE(&lc->parent->cells, lcparent, lc, entry);
layout_free_cell(lcparent);
}
}
void
layout_init(struct window *w)
{
@ -597,59 +668,16 @@ layout_split_pane(struct window_pane *wp, enum layout_type type, int size)
return (lcnew);
}
/* Destroy the layout associated with a pane and redistribute the space. */
/* Destroy the cell associated with a pane. */
void
layout_close_pane(struct window_pane *wp)
{
struct layout_cell *lc, *lcother, *lcparent;
lc = wp->layout_cell;
lcparent = lc->parent;
/*
* If no parent, this is the last pane so window close is imminent and
* there is no need to resize anything.
*/
if (lcparent == NULL) {
layout_free_cell(lc);
wp->window->layout_root = NULL;
return;
}
/* Merge the space into the previous or next cell. */
if (lc == TAILQ_FIRST(&lcparent->cells))
lcother = TAILQ_NEXT(lc, entry);
else
lcother = TAILQ_PREV(lc, layout_cells, entry);
if (lcparent->type == LAYOUT_LEFTRIGHT)
layout_resize_adjust(lcother, lcparent->type, lc->sx + 1);
else
layout_resize_adjust(lcother, lcparent->type, lc->sy + 1);
/* Remove this from the parent's list. */
TAILQ_REMOVE(&lcparent->cells, lc, entry);
layout_free_cell(lc);
/*
* If the parent now has one cell, remove the parent from the tree and
* replace it by that cell.
*/
lc = TAILQ_FIRST(&lcparent->cells);
if (TAILQ_NEXT(lc, entry) == NULL) {
TAILQ_REMOVE(&lcparent->cells, lc, entry);
lc->parent = lcparent->parent;
if (lc->parent == NULL) {
lc->xoff = 0; lc->yoff = 0;
wp->window->layout_root = lc;
} else
TAILQ_REPLACE(&lc->parent->cells, lcparent, lc, entry);
layout_free_cell(lcparent);
}
/* Remove the cell. */
layout_destroy_cell(wp->layout_cell, &wp->window->layout_root);
/* Fix pane offsets and sizes. */
layout_fix_offsets(wp->window->layout_root);
layout_fix_panes(wp->window, wp->window->sx, wp->window->sy);
if (wp->window->layout_root != NULL) {
layout_fix_offsets(wp->window->layout_root);
layout_fix_panes(wp->window, wp->window->sx, wp->window->sy);
}
}