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/*
* Copyright 2010, Intel Corporation
*
* This file is part of PowerTOP
*
* This program file 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; version 2 of the License.
*
* 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 in a file named COPYING; if not, write to the
* Free Software Foundation, Inc,
* 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
* or just google for it.
*
* Authors:
* Arjan van de Ven <arjan@linux.intel.com>
*/
#include "display.h"
#include "lib.h"
#include <ncurses.h>
#include <vector>
#include <map>
#include <string>
#include <string.h>
using namespace std;
static int display = 0;
vector<string> tab_names;
map<string, class tab_window *> tab_windows;
map<string, string> tab_translations;
map<string, string> bottom_lines;
void create_tab(const string &name, const string &translation, class tab_window *w, string bottom_line)
{
if (!w)
w = new(class tab_window);
w->win = newpad(1000,1000);
tab_names.push_back(name);
tab_windows[name] = w;
tab_translations[name] = translation;
bottom_lines[name] = bottom_line;
}
void init_display(void)
{
initscr();
start_color();
cbreak(); /* character at a time input */
noecho(); /* don't show the user input */
keypad(stdscr, TRUE); /* enable cursor/etc keys */
use_default_colors();
create_tab("Overview", _("Overview"));
create_tab("Idle stats", _("Idle stats"));
create_tab("Frequency stats", _("Frequency stats"));
create_tab("Device stats", _("Device stats"));
display = 1;
}
void reset_display(void)
{
if (!display)
return;
keypad(stdscr, FALSE);
echo();
nocbreak();
resetterm();
}
WINDOW *tab_bar = NULL;
WINDOW *bottom_line = NULL;
static int current_tab;
void show_tab(unsigned int tab)
{
WINDOW *win;
unsigned int i;
int tab_pos = 17;
const char *c;
if (!display)
return;
if (tab_bar) {
delwin(tab_bar);
tab_bar = NULL;
}
if (bottom_line) {
delwin(bottom_line);
bottom_line = NULL;
}
tab_bar = newwin(1, 0, 0, 0);
wattrset(tab_bar, A_REVERSE);
mvwprintw(tab_bar, 0,0, "%120s", "");
mvwprintw(tab_bar, 0,0, "PowerTOP %s", POWERTOP_SHORT_VERSION);
bottom_line = newwin(1, 0, LINES-1, 0);
wattrset(bottom_line, A_REVERSE);
mvwprintw(bottom_line, 0,0, "%120s", "");
c = bottom_lines[tab_names[tab]].c_str();
if (c && strlen(c) > 0)
mvwprintw(bottom_line, 0,0, c);
else
mvwprintw(bottom_line, 0,0, _(" <ESC> Exit | "));
current_tab = tab;
for (i = 0; i < tab_names.size(); i++) {
if (i == tab)
wattrset(tab_bar, A_NORMAL);
else
wattrset(tab_bar, A_REVERSE);
mvwprintw(tab_bar, 0, tab_pos, " %s ", tab_translations[tab_names[i]].c_str());
tab_pos += 3 + tab_names[i].length();
}
wrefresh(tab_bar);
wrefresh(bottom_line);
win = get_ncurses_win(tab_names[tab]);
if (!win)
return;
prefresh(win, 0, 0, 1, 0, LINES - 3, COLS - 1);
}
WINDOW *get_ncurses_win(const char *name)
{
class tab_window *w;
WINDOW *win;
w= tab_windows[name];
if (!w)
return NULL;
win = w->win;
return win;
}
WINDOW *get_ncurses_win(int nr)
{
class tab_window *w;
WINDOW *win;
w= tab_windows[tab_names[nr]];
if (!w)
return NULL;
win = w->win;
return win;
}
WINDOW *get_ncurses_win(const string &name)
{
return get_ncurses_win(name.c_str());
}
void show_next_tab(void)
{
class tab_window *w;
if (!display)
return;
w = tab_windows[tab_names[current_tab]];
if (w)
w->hide();
current_tab ++;
if (current_tab >= (int)tab_names.size())
current_tab = 0;
w = tab_windows[tab_names[current_tab]];
if (w)
w->expose();
show_tab(current_tab);
}
void show_prev_tab(void)
{
class tab_window *w;
if (!display)
return;
w = tab_windows[tab_names[current_tab]];
if (w)
w->hide();
current_tab --;
if (current_tab < 0)
current_tab = tab_names.size() - 1;
w = tab_windows[tab_names[current_tab]];
if (w)
w->expose();
show_tab(current_tab);
}
void show_cur_tab(void)
{
if (!display)
return;
show_tab(current_tab);
}
void cursor_down(void)
{
class tab_window *w;
w = tab_windows[tab_names[current_tab]];
if (w)
w->cursor_down();
show_cur_tab();
}
void cursor_up(void)
{
class tab_window *w;
w = tab_windows[tab_names[current_tab]];
if (w)
w->cursor_up();
show_cur_tab();
}
void cursor_enter(void)
{
class tab_window *w;
w = tab_windows[tab_names[current_tab]];
if (w) {
w->cursor_enter();
w->repaint();
}
show_cur_tab();
}
int ncurses_initialized(void)
{
if (display)
return 1;
return 0;
}
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