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profanity/windows.c
James Booth f533c6c162 Usage of const
2012-03-09 01:06:55 +00:00

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/*
* windows.c
*
* Copyright (C) 2012 James Booth <boothj5@gmail.com>
*
* This file is part of Profanity.
*
* Profanity 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.
*
* Profanity 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 Profanity. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <string.h>
#include <stdlib.h>
#include <ncurses.h>
#include "windows.h"
#include "util.h"
#define CONS_WIN_TITLE "_cons"
#define PAD_SIZE 200
#define NUM_WINS 10
// holds console at index 0 and chat wins 1 through to 9
static struct prof_win _wins[NUM_WINS];
// the window currently being displayed
static int _curr_prof_win = 0;
// shortcut pointer to console window
static WINDOW * _cons_win = NULL;
// current window state
static int dirty;
static void _create_windows(void);
static int _find_prof_win_index(const char * const contact);
static int _new_prof_win(const char * const contact);
static void _current_window_refresh(void);
static void _win_switch_if_active(const int i);
static void _win_show_time(WINDOW *win);
static void _win_show_user(WINDOW *win, const char * const user, const int colour);
static void _win_show_message(WINDOW *win, const char * const message);
static void _show_status_string(WINDOW *win, const char * const from,
const char * const show, const char * const status, const char * const pre,
const char * const default_show);
static void _cons_show_incoming_message(const char * const short_from,
const int win_index);
void gui_init(void)
{
initscr();
cbreak();
keypad(stdscr, TRUE);
if (has_colors()) {
start_color();
init_pair(1, COLOR_WHITE, COLOR_BLACK);
init_pair(2, COLOR_GREEN, COLOR_BLACK);
init_pair(3, COLOR_WHITE, COLOR_BLUE);
init_pair(4, COLOR_CYAN, COLOR_BLUE);
init_pair(5, COLOR_CYAN, COLOR_BLACK);
init_pair(6, COLOR_RED, COLOR_BLACK);
init_pair(7, COLOR_MAGENTA, COLOR_BLACK);
init_pair(8, COLOR_YELLOW, COLOR_BLACK);
}
refresh();
create_title_bar();
create_status_bar();
create_input_window();
_create_windows();
dirty = TRUE;
}
void gui_refresh(void)
{
title_bar_refresh();
status_bar_refresh();
if (dirty) {
_current_window_refresh();
dirty = FALSE;
}
inp_put_back();
}
void gui_close(void)
{
endwin();
}
int win_close_win(void)
{
if (win_in_chat()) {
// reset the chat win to unused
strcpy(_wins[_curr_prof_win].from, "");
wclear(_wins[_curr_prof_win].win);
// set it as inactive in the status bar
status_bar_inactive(_curr_prof_win);
// go back to console window
_curr_prof_win = 0;
title_bar_title();
dirty = TRUE;
// success
return 1;
} else {
// didn't close anything
return 0;
}
}
int win_in_chat(void)
{
return ((_curr_prof_win != 0) &&
(strcmp(_wins[_curr_prof_win].from, "") != 0));
}
char *win_get_recipient(void)
{
struct prof_win current = _wins[_curr_prof_win];
char *recipient = (char *) malloc(sizeof(char) * (strlen(current.from) + 1));
strcpy(recipient, current.from);
return recipient;
}
void win_show_incomming_msg(const char * const from, const char * const message)
{
char from_cpy[strlen(from) + 1];
strcpy(from_cpy, from);
char *short_from = strtok(from_cpy, "/");
int win_index = _find_prof_win_index(short_from);
if (win_index == NUM_WINS)
win_index = _new_prof_win(short_from);
WINDOW *win = _wins[win_index].win;
_win_show_time(win);
_win_show_user(win, short_from, 1);
_win_show_message(win, message);
status_bar_active(win_index);
_cons_show_incoming_message(short_from, win_index);
if (win_index == _curr_prof_win)
dirty = TRUE;
}
void win_show_outgoing_msg(const char * const from, const char * const to,
const char * const message)
{
int win_index = _find_prof_win_index(to);
if (win_index == NUM_WINS)
win_index = _new_prof_win(to);
WINDOW *win = _wins[win_index].win;
_win_show_time(win);
_win_show_user(win, from, 0);
_win_show_message(win, message);
status_bar_active(win_index);
if (win_index == _curr_prof_win)
dirty = TRUE;
}
void win_contact_online(const char * const from, const char * const show,
const char * const status)
{
_show_status_string(_cons_win, from, show, status, "++", "online");
int win_index = _find_prof_win_index(from);
if (win_index != NUM_WINS) {
WINDOW *win = _wins[win_index].win;
_show_status_string(win, from, show, status, "++", "online");
}
if (win_index == _curr_prof_win)
dirty = TRUE;
}
void win_contact_offline(const char * const from, const char * const show,
const char * const status)
{
_show_status_string(_cons_win, from, show, status, "--", "offline");
int win_index = _find_prof_win_index(from);
if (win_index != NUM_WINS) {
WINDOW *win = _wins[win_index].win;
_show_status_string(win, from, show, status, "--", "offline");
}
if (win_index == _curr_prof_win)
dirty = TRUE;
}
void cons_help(void)
{
_win_show_time(_cons_win);
wprintw(_cons_win, "Help:\n");
cons_show("/help : This help.");
cons_show("/connect user@host : Login to jabber.");
cons_show("/msg user@host mesg : Send mesg to user.");
cons_show("/who : Find out who is online.");
cons_show("/ros : List all contacts.");
cons_show("/close : Close a chat window.");
cons_show("/quit : Quit Profanity.");
cons_show("F1 : This console window.");
cons_show("F2-10 : Chat windows.");
cons_show("UP, DOWN : Navigate input history.");
cons_show("LEFT, RIGHT : Edit current input.");
cons_show("PAGE UP, PAGE DOWN : Page the chat window.");
if (_curr_prof_win == 0)
dirty = TRUE;
}
void cons_show_online_contacts(const struct contact_list * const list)
{
_win_show_time(_cons_win);
wprintw(_cons_win, "Online contacts:\n");
int i;
for (i = 0; i < list->size; i++) {
char *contact = list->contacts[i];
_win_show_time(_cons_win);
wattron(_cons_win, COLOR_PAIR(2));
wprintw(_cons_win, "%s\n", contact);
wattroff(_cons_win, COLOR_PAIR(2));
}
}
void cons_bad_show(const char * const msg)
{
_win_show_time(_cons_win);
wattron(_cons_win, COLOR_PAIR(6));
wprintw(_cons_win, "%s\n", msg);
wattroff(_cons_win, COLOR_PAIR(6));
if (_curr_prof_win == 0)
dirty = TRUE;
}
void cons_show(const char * const msg)
{
_win_show_time(_cons_win);
wprintw(_cons_win, "%s\n", msg);
if (_curr_prof_win == 0)
dirty = TRUE;
}
void cons_bad_command(const char * const cmd)
{
_win_show_time(_cons_win);
wprintw(_cons_win, "Unknown command: %s\n", cmd);
if (_curr_prof_win == 0)
dirty = TRUE;
}
void cons_bad_connect(void)
{
cons_show("Usage: /connect user@host");
}
void cons_not_disconnected(void)
{
cons_show("You are either connected already, or a login is in process.");
}
void cons_not_connected(void)
{
cons_show("You are not currently connected.");
}
void cons_bad_message(void)
{
cons_show("Usage: /msg user@host message");
}
void win_handle_switch(const int * const ch)
{
if (*ch == KEY_F(1)) {
_win_switch_if_active(0);
} else if (*ch == KEY_F(2)) {
_win_switch_if_active(1);
} else if (*ch == KEY_F(3)) {
_win_switch_if_active(2);
} else if (*ch == KEY_F(4)) {
_win_switch_if_active(3);
} else if (*ch == KEY_F(5)) {
_win_switch_if_active(4);
} else if (*ch == KEY_F(6)) {
_win_switch_if_active(5);
} else if (*ch == KEY_F(7)) {
_win_switch_if_active(6);
} else if (*ch == KEY_F(8)) {
_win_switch_if_active(7);
} else if (*ch == KEY_F(9)) {
_win_switch_if_active(8);
} else if (*ch == KEY_F(10)) {
_win_switch_if_active(9);
}
}
void win_page_off(void)
{
int rows, cols;
getmaxyx(stdscr, rows, cols);
_wins[_curr_prof_win].paged = 0;
int y, x;
getyx(_wins[_curr_prof_win].win, y, x);
int size = rows - 3;
_wins[_curr_prof_win].y_pos = y - (size - 1);
if (_wins[_curr_prof_win].y_pos < 0)
_wins[_curr_prof_win].y_pos = 0;
dirty = TRUE;
}
void win_handle_page(const int * const ch)
{
int rows, cols, y, x;
getmaxyx(stdscr, rows, cols);
getyx(_wins[_curr_prof_win].win, y, x);
int page_space = rows - 4;
int *page_start = &_wins[_curr_prof_win].y_pos;
// page up
if (*ch == KEY_PPAGE) {
*page_start -= page_space;
// went past beginning, show first page
if (*page_start < 0)
*page_start = 0;
_wins[_curr_prof_win].paged = 1;
dirty = TRUE;
// page down
} else if (*ch == KEY_NPAGE) {
*page_start += page_space;
// only got half a screen, show full screen
if ((y - (*page_start)) < page_space)
*page_start = y - page_space;
// went past end, show full screen
else if (*page_start >= y)
*page_start = y - page_space;
_wins[_curr_prof_win].paged = 1;
dirty = TRUE;
}
}
static void _create_windows(void)
{
int rows, cols;
getmaxyx(stdscr, rows, cols);
// create the console window in 0
struct prof_win cons;
strcpy(cons.from, CONS_WIN_TITLE);
cons.win = newpad(PAD_SIZE, cols);
cons.y_pos = 0;
cons.paged = 0;
scrollok(cons.win, TRUE);
_wins[0] = cons;
_cons_win = _wins[0].win;
wattrset(_cons_win, A_BOLD);
_win_show_time(_cons_win);
wprintw(_cons_win, "Welcome to Profanity.\n");
prefresh(_cons_win, 0, 0, 1, 0, rows-3, cols-1);
dirty = TRUE;
// create the chat windows
int i;
for (i = 1; i < NUM_WINS; i++) {
struct prof_win chat;
strcpy(chat.from, "");
chat.win = newpad(PAD_SIZE, cols);
chat.y_pos = 0;
chat.paged = 0;
wattrset(chat.win, A_BOLD);
scrollok(chat.win, TRUE);
_wins[i] = chat;
}
}
static int _find_prof_win_index(const char * const contact)
{
// find the chat window for recipient
int i;
for (i = 1; i < NUM_WINS; i++)
if (strcmp(_wins[i].from, contact) == 0)
break;
return i;
}
static int _new_prof_win(const char * const contact)
{
int i;
// find the first unused one
for (i = 1; i < NUM_WINS; i++)
if (strcmp(_wins[i].from, "") == 0)
break;
// set it up
strcpy(_wins[i].from, contact);
wclear(_wins[i].win);
return i;
}
static void _win_switch_if_active(const int i)
{
win_page_off();
if (strcmp(_wins[i].from, "") != 0) {
_curr_prof_win = i;
win_page_off();
if (i == 0)
title_bar_title();
else
title_bar_show(_wins[i].from);
}
dirty = TRUE;
}
static void _win_show_time(WINDOW *win)
{
char tstmp[80];
get_time(tstmp);
wprintw(win, "%s - ", tstmp);
}
static void _win_show_user(WINDOW *win, const char * const user, const int colour)
{
if (colour)
wattron(win, COLOR_PAIR(2));
wprintw(win, "%s: ", user);
if (colour)
wattroff(win, COLOR_PAIR(2));
}
static void _win_show_message(WINDOW *win, const char * const message)
{
wattroff(win, A_BOLD);
wprintw(win, "%s\n", message);
wattron(win, A_BOLD);
}
static void _current_window_refresh()
{
int rows, cols;
getmaxyx(stdscr, rows, cols);
WINDOW *current = _wins[_curr_prof_win].win;
prefresh(current, _wins[_curr_prof_win].y_pos, 0, 1, 0, rows-3, cols-1);
}
static void _show_status_string(WINDOW *win, const char * const from,
const char * const show, const char * const status, const char * const pre,
const char * const default_show)
{
_win_show_time(win);
if (strcmp(default_show, "online") == 0) {
wattron(win, COLOR_PAIR(2));
} else {
wattron(win, COLOR_PAIR(5));
wattroff(win, A_BOLD);
}
wprintw(win, "%s %s", pre, from);
if (show != NULL)
wprintw(win, " is %s", show);
else
wprintw(win, " is %s", default_show);
if (status != NULL)
wprintw(win, ", \"%s\"", status);
wprintw(win, "\n");
if (strcmp(default_show, "online") == 0) {
wattroff(win, COLOR_PAIR(2));
} else {
wattroff(win, COLOR_PAIR(5));
wattron(win, A_BOLD);
}
}
static void _cons_show_incoming_message(const char * const short_from, const int win_index)
{
_win_show_time(_cons_win);
wattron(_cons_win, COLOR_PAIR(8));
wprintw(_cons_win, "<< incoming from %s (%d)\n", short_from, win_index + 1);
wattroff(_cons_win, COLOR_PAIR(8));
}
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