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curses_tools.cpp
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curses_tools.cpp
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#include <cstring>
#include <sstream>
#include <iomanip>
#include "curses_tools.hpp"
#include "tools.hpp"
using namespace std;
void Curses::print_in_middle(WINDOW *win, int starty, int startx, int width, char *string,
chtype attr)
{ int length, x, y;
float temp;
if(win == NULL)
win = stdscr;
getyx(win, y, x);
if(startx != 0)
x = startx;
if(starty != 0)
y = starty;
if(width == 0)
width = 80;
length = strlen(string);
temp = (width - length)/ 2;
x = startx + (int)temp;
//wattron(win, color);
mvwprintw(win, y, x, "%s", string);
//wattroff(win, color);
refresh();
}
void Curses::middle_print(WINDOW* win, int y, int startx, int width, char* string)
{
int length, x;
length = strlen(string);
if (length > width)
width = length;
x = startx +(int)(width - length)/2;
mvwprintw(win, y, x, "%s", string);
wrefresh(win);
}
void Curses::wclear(WINDOW* win, int y, int start, size_t length)
{
wmove(win, y, start);
for (size_t i = start; i < length; ++i)
waddch(win, ' ');
wrefresh(win);
}
Curses::MenuDialog::MenuDialog(vector<vector<string>>& entry_val,
vector<string>& entry_label,
const string& title,
chtype attr, chtype nattr)
: size(entry_val.size())
{
int starty, startx;
const int length = 14;
const int padding = 8;
stringstream entry_stream;
size_t columns = entry_label.size();
size_t* column_width;
size_t row_width = 0;
size_t i, j;
/* Determine columns' max widths */
/* By looking at entry_val values */
column_width = new size_t[columns]();
for (i = 0; i < entry_val.size(); ++i) {
for (j = 0; j < entry_val[i].size(); ++j) {
if (entry_val[i][j].size() > column_width[j])
column_width[j] = entry_val[i][j].size();
}
}
/* By looking at entry_val labels */
for (i = 0; i < entry_label.size(); ++i)
if (entry_label[i].size() > column_width[i])
column_width[i] = entry_label[i].size();
for (i = 0; i < columns; ++i) {
row_width += column_width[i];
if (i != columns -1)
row_width += 3;
}
/* Find middle of screen */
starty = (LINES -length)/2;
startx = (COLS -(row_width +padding))/2;
dialog = newwin(length, row_width +padding, starty, startx);
keypad(dialog, TRUE);
wbkgd(dialog, attr);
wattron(dialog, attr);
box(dialog, 0, 0);
Curses::print_in_middle(dialog, 0, 0, row_width +padding, (char*)title.c_str(), attr);
wmove(dialog, 2, 4);
for (i = 0; i < columns; ++i) {
if (i == columns -1)
wprintw(dialog, "%-*s", (int)column_width[i], entry_label[i].c_str());
else
wprintw(dialog, "%-*s | ", (int)column_width[i], entry_label[i].c_str());
}
mvwaddch(dialog, 3, 0, ACS_LTEE);
mvwhline(dialog, 3, 1, ACS_HLINE, row_width +padding);
mvwaddch(dialog, 3, row_width +padding -1, ACS_RTEE);
wattroff(dialog, attr);
/* Create menu entries */
entry = new char*[entry_val.size()];
entry_stream << setfill(' ') << left;
for (i = 0; i < entry_val.size(); ++i) {
for (j = 0; j < entry_val[i].size(); ++j) {
if (is_number(entry_val[i][j]))
entry_stream << right;
else
entry_stream << left;
entry_stream << setw(column_width[j]) << entry_val[i][j];
if (j != entry_val[i].size() -1)
entry_stream << " | ";
}
entry[i] = new char[entry_stream.str().size() +1];
strcpy(entry[i], entry_stream.str().c_str());
entry_stream.str("");
}
/* Create menu items */
item = new ITEM*[entry_val.size() +1];
for (i = 0; i < entry_val.size(); ++i)
item[i] = new_item(entry[i], "");;
item[entry_val.size()] = (ITEM*)NULL;
menu = new_menu(item);
set_menu_win(menu, dialog);
set_menu_sub(menu, derwin(dialog, length -4, row_width +2, 4, 2));
set_menu_mark(menu, "> ");
set_menu_format(menu, 8, 1);
set_menu_fore(menu, attr|A_REVERSE);
set_menu_back(menu, attr);
set_menu_grey(menu, nattr);
post_menu(menu);
wrefresh(dialog);
refresh();
delete[] column_width;
}
Curses::MenuDialog::~MenuDialog()
{
size_t i;
for (i = 0; i < size; ++i)
free_item(item[i]);
unpost_menu(menu);
free_menu(menu);
for (i = 0; i < size; ++i)
delete[] entry[i];
delete[] entry;
delwin(dialog);
}
ITEM* Curses::MenuDialog::getItem(size_t index) const
{
if (index < size -1)
return item[index];
else
return item[size -1];
}