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/* TUI data manipulation routines.
Copyright (C) 1998-2024 Free Software Foundation, Inc.
Contributed by Hewlett-Packard Company.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "symtab.h"
#include "tui/tui.h"
#include "tui/tui-data.h"
#include "tui/tui-win.h"
#include "tui/tui-wingeneral.h"
#include "tui/tui-winsource.h"
#include "tui/tui-status.h"
#include "gdb_curses.h"
#include <algorithm>
struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS];
static int term_height, term_width;
static struct tui_win_info *win_with_focus = NULL;
static bool win_resized = false;
/* Answer a whether the terminal window has been resized or not. */
bool
tui_win_resized ()
{
return win_resized;
}
/* Set a whether the terminal window has been resized or not. */
void
tui_set_win_resized_to (bool resized)
{
win_resized = resized;
}
/* Answer the window with the logical focus. */
struct tui_win_info *
tui_win_with_focus (void)
{
return win_with_focus;
}
/* Set the logical focus to win_info. */
void
tui_set_win_focus_to (struct tui_win_info *win_info)
{
if (win_info != NULL)
{
tui_unhighlight_win (win_with_focus);
win_with_focus = win_info;
tui_highlight_win (win_info);
tui_show_status_content ();
}
}
/* Accessor for the term_height. */
int
tui_term_height (void)
{
return term_height;
}
/* Mutator for the term height. */
void
tui_set_term_height_to (int h)
{
term_height = h;
}
/* Accessor for the term_width. */
int
tui_term_width (void)
{
return term_width;
}
/* Mutator for the term_width. */
void
tui_set_term_width_to (int w)
{
term_width = w;
}
/* Answer the next window in the list, cycling back to the top if
necessary. */
struct tui_win_info *
tui_next_win (struct tui_win_info *cur_win)
{
auto iter = std::find (tui_windows.begin (), tui_windows.end (), cur_win);
gdb_assert (iter != tui_windows.end ());
gdb_assert (cur_win->can_focus ());
/* This won't loop forever since we can't have just an un-focusable
window. */
while (true)
{
++iter;
if (iter == tui_windows.end ())
iter = tui_windows.begin ();
if ((*iter)->can_focus ())
break;
}
return *iter;
}
/* Answer the prev window in the list, cycling back to the bottom if
necessary. */
struct tui_win_info *
tui_prev_win (struct tui_win_info *cur_win)
{
auto iter = std::find (tui_windows.rbegin (), tui_windows.rend (), cur_win);
gdb_assert (iter != tui_windows.rend ());
gdb_assert (cur_win->can_focus ());
/* This won't loop forever since we can't have just an un-focusable
window. */
while (true)
{
++iter;
if (iter == tui_windows.rend ())
iter = tui_windows.rbegin ();
if ((*iter)->can_focus ())
break;
}
return *iter;
}
/* See tui-data.h. */
void
tui_win_info::set_title (std::string &&new_title)
{
if (m_title != new_title)
{
m_title = new_title;
check_and_display_highlight_if_needed ();
}
}
/* See tui-data.h. */
void
tui_win_info::center_string (const char *str)
{
werase (handle.get ());
check_and_display_highlight_if_needed ();
int avail_width = width - box_size ();
int len = strlen (str);
int x_pos = box_width ();
if (len < avail_width)
x_pos += (avail_width - len) / 2;
int n = avail_width - x_pos;
gdb_assert (n > 0);
mvwaddnstr (handle.get (), height / 2, x_pos, str, n);
refresh_window ();
}
/* See tui-data.h. */
void
tui_win_info::display_string (const char *str) const
{
int y, x;
getyx (handle.get (), y, x);
/* Avoid Wunused-but-set-variable. */
(void) y;
int n = width - box_width () - x;
if (n <= 0)
return;
waddnstr (handle.get (), str, n);
}
void
tui_win_info::rerender ()
{
check_and_display_highlight_if_needed ();
}
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