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// Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
//
// 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.
use crate::*;
pub static CMD_SELECT_LAYOUT_ENTRY: cmd_entry = cmd_entry {
name: "select-layout",
alias: Some("selectl"),
args: args_parse::new("Enopt:", 0, 1, None),
usage: "[-Enop] [-t target-pane] [layout-name]",
target: cmd_entry_flag::new(b't', cmd_find_type::CMD_FIND_PANE, cmd_find_flags::empty()),
flags: cmd_flag::CMD_AFTERHOOK,
exec: cmd_select_layout_exec,
source: cmd_entry_flag::zeroed(),
};
pub static CMD_NEXT_LAYOUT_ENTRY: cmd_entry = cmd_entry {
name: "next-layout",
alias: Some("nextl"),
args: args_parse::new("t:", 0, 0, None),
usage: "[-t target-window]",
target: cmd_entry_flag::new(
b't',
cmd_find_type::CMD_FIND_WINDOW,
cmd_find_flags::empty(),
),
flags: cmd_flag::CMD_AFTERHOOK,
exec: cmd_select_layout_exec,
source: cmd_entry_flag::zeroed(),
};
pub static CMD_PREVIOUS_LAYOUT_ENTRY: cmd_entry = cmd_entry {
name: "previous-layout",
alias: Some("prevl"),
args: args_parse::new("t:", 0, 0, None),
usage: "[-t target-window]",
target: cmd_entry_flag::new(
b't',
cmd_find_type::CMD_FIND_WINDOW,
cmd_find_flags::empty(),
),
flags: cmd_flag::CMD_AFTERHOOK,
exec: cmd_select_layout_exec,
source: cmd_entry_flag::zeroed(),
};
/// C `vendor/tmux/cmd-select-layout.c:72`: `static enum cmd_retval cmd_select_layout_exec(struct cmd *self, struct cmdq_item *item)`
unsafe fn cmd_select_layout_exec(self_: *mut cmd, item: *mut cmdq_item) -> cmd_retval {
unsafe {
let args = cmd_get_args(self_);
let target = cmdq_get_target(item);
let wl = (*target).wl;
let w = (*wl).window;
let wp = (*target).wp;
server_unzoom_window(w);
let oldlayout;
'error: {
'changed: {
let mut next = std::ptr::eq(cmd_get_entry(self_), &CMD_NEXT_LAYOUT_ENTRY);
if args_has(args, 'n') {
next = true;
}
let mut previous = std::ptr::eq(cmd_get_entry(self_), &CMD_PREVIOUS_LAYOUT_ENTRY);
if args_has(args, 'p') {
previous = true;
}
// Take the previous saved layout (owned); `oldlayout_ptr`
// borrows its buffer for the `-o` (undo) read below. The buffer
// stays put even if `oldlayout` is later moved back into the
// field on the error path.
oldlayout = (*w).old_layout.take();
let oldlayout_ptr = oldlayout
.as_deref()
.map_or(null(), |c| c.as_ptr().cast::<u8>());
(*w).old_layout = layout_dump(w, (*w).layout_root).map(crate::cstring_truncating);
if next || previous {
if next {
layout_set_next(w);
} else {
layout_set_previous(w);
}
break 'changed;
}
if args_has(args, 'E') {
layout_spread_out(wp);
break 'changed;
}
let layoutname = if args_count(args) != 0 {
args_string(args, 0)
} else if args_has(args, 'o') {
oldlayout_ptr
} else {
null()
};
if !args_has(args, 'o') {
let layout = if layoutname.is_null() {
(*w).lastlayout
} else {
layout_set_lookup(layoutname)
};
if layout != -1 {
layout_set_select(w, layout as u32);
break 'changed;
}
}
if !layoutname.is_null() {
let mut cause = null_mut();
if layout_parse(w, layoutname, &raw mut cause) == -1 {
cmdq_error!(item, "{}: {}", _s(cause), _s(layoutname));
free_(cause);
break 'error;
}
break 'changed;
}
// oldlayout drops here (owned, unused on this success path).
return cmd_retval::CMD_RETURN_NORMAL;
}
// changed:
// oldlayout drops here (owned, unused on this success path).
recalculate_sizes();
server_redraw_window(w);
notify_window(c"window-layout-changed", w);
return cmd_retval::CMD_RETURN_NORMAL;
}
// error: restore the saved layout (moving it back drops the new dump).
(*w).old_layout = oldlayout;
cmd_retval::CMD_RETURN_ERROR
}
}