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/* TUI data manipulation routines.
Copyright (C) 1998-2019 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-wingeneral.h"
#include "tui/tui-winsource.h"
#include "gdb_curses.h"
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 window that has the logical focus. */
void
tui_set_win_with_focus (struct tui_win_info *win_info)
{
win_with_focus = win_info;
}
/* 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)
{
int type = cur_win->type;
struct tui_win_info *next_win = NULL;
if (cur_win->type == CMD_WIN)
type = SRC_WIN;
else
type = cur_win->type + 1;
while (type != cur_win->type && (next_win == NULL))
{
if (tui_win_list[type]
&& tui_win_list[type]->is_visible ())
next_win = tui_win_list[type];
else
{
if (type == CMD_WIN)
type = SRC_WIN;
else
type++;
}
}
return next_win;
}
/* 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)
{
int type = cur_win->type;
struct tui_win_info *prev = NULL;
if (cur_win->type == SRC_WIN)
type = CMD_WIN;
else
type = cur_win->type - 1;
while (type != cur_win->type && (prev == NULL))
{
if (tui_win_list[type]
&& tui_win_list[type]->is_visible ())
prev = tui_win_list[type];
else
{
if (type == SRC_WIN)
type = CMD_WIN;
else
type--;
}
}
return prev;
}
/* See tui-data.h. */
void
tui_delete_invisible_windows ()
{
for (int win_type = SRC_WIN; (win_type < MAX_MAJOR_WINDOWS); win_type++)
{
if (tui_win_list[win_type] != NULL
&& !tui_win_list[win_type]->is_visible ())
{
/* This should always be made visible before a call to this
function. */
gdb_assert (win_type != CMD_WIN);
if (win_with_focus == tui_win_list[win_type])
win_with_focus = nullptr;
delete tui_win_list[win_type];
tui_win_list[win_type] = NULL;
}
}
}
tui_win_info::tui_win_info (enum tui_win_type type)
: tui_gen_win_info (type)
{
}
void
tui_win_info::rerender ()
{
check_and_display_highlight_if_needed ();
}
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