+++ /dev/null
-/*
-
- screen.c
-
- Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
-
- Copyright (C) 1997 - 2000 Pekka Riikonen
-
- 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 2 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.
-
-*/
-/*
- * SILC client screen routines. These implement the user interface
- * on ncurses routines. Most of these routines were taken from the
- * old version of the SILC client dating back to 1997.
- */
-/* XXX: Input line handling is really buggy! */
-/* $Id$ */
-
-#include "clientincludes.h"
-
-SilcScreen silc_screen_init()
-{
- SilcScreen new;
-
- new = silc_calloc(1, sizeof(*new));
- new->insert = TRUE;
-
- initscr();
- cbreak();
- nonl();
- noecho();
-
- silc_screen_create_output_window(new);
- silc_screen_create_input_window(new);
-
- return new;
-}
-
-/* Creates one (main) output window. Returns new created physical
- window. */
-
-WINDOW *silc_screen_create_output_window(SilcScreen screen)
-{
- assert(screen != NULL);
-
- screen->output_win = silc_calloc(1, sizeof(*screen->output_win));
- screen->output_win_count = 1;
- screen->output_win[0] = newwin(LINES - 3, COLS, 1, 0);
- scrollok(screen->output_win[0], TRUE);
- idlok(screen->output_win[0], TRUE);
- wrefresh(screen->output_win[0]);
-
- return screen->output_win[0];
-}
-
-/* Adds new output window. Return new created physical window. */
-
-WINDOW *silc_screen_add_output_window(SilcScreen screen)
-{
- int i;
-
- assert(screen != NULL);
-
- screen->output_win = silc_realloc(screen->output_win,
- (screen->output_win_count + 1) *
- sizeof(*screen->output_win));
- i = screen->output_win_count;
- screen->output_win[i] = newwin(LINES - 3, COLS, 1, 0);
- scrollok(screen->output_win[i], TRUE);
- idlok(screen->output_win[i], TRUE);
- wrefresh(screen->output_win[i]);
- screen->output_win_count++;
-
- return screen->output_win[i];
-}
-
-void silc_screen_create_input_window(SilcScreen screen)
-{
- assert(screen != NULL);
-
- screen->input_win = newwin(0, COLS, LINES - 1, 0);
- scrollok(screen->input_win, TRUE);
- keypad(screen->input_win, TRUE);
- wrefresh(screen->input_win);
-}
-
-void silc_screen_init_upper_status_line(SilcScreen screen)
-{
- assert(screen != NULL);
-
- /* Create upper status line */
- screen->upper_stat_line = newwin(0, COLS, 0, 0);
- scrollok(screen->upper_stat_line, FALSE);
- wattrset(screen->upper_stat_line, A_REVERSE);
-
- silc_screen_print_upper_stat_line(screen);
-}
-
-void silc_screen_print_upper_stat_line(SilcScreen screen)
-{
- int i;
- int justify;
-
- /* Print empty line */
- for (i = 0; i < COLS - 1; i++)
- mvwprintw(screen->upper_stat_line, 0, i, " ");
-
- /* Print stuff with justify */
- justify = COLS / 5;
- mvwprintw(screen->upper_stat_line, 0, 1, "%s %s",
- screen->u_stat_line.program_name,
- screen->u_stat_line.program_version);
-
- /* Prints clock on upper stat line */
- silc_screen_print_clock(screen);
- wrefresh(screen->upper_stat_line);
-}
-
-void silc_screen_init_output_status_line(SilcScreen screen)
-{
- int i;
-
- assert(screen != NULL);
-
- screen->output_stat_line = silc_calloc(1, sizeof(*screen->output_stat_line));
-
- screen->output_stat_line[0] = newwin(1, COLS, LINES - 2, 0);
- scrollok(screen->output_stat_line[0], FALSE);
- wattrset(screen->output_stat_line[0], A_REVERSE);
-
- /* print first just blank line */
- for (i = 0; i < COLS - 1; i++)
- mvwprintw(screen->output_stat_line[0], 0, i, " ");
-
- /* Allocate bottom line */
- screen->bottom_line = silc_calloc(1, sizeof(*screen->bottom_line));
-
- wattrset(screen->output_stat_line[0], A_NORMAL);
- wrefresh(screen->output_stat_line[0]);
-}
-
-void silc_screen_print_clock(SilcScreen screen)
-{
- time_t curtime;
- struct tm *tp;
-
- curtime = time(0);
- tp = localtime(&curtime);
-
- mvwprintw(screen->upper_stat_line, 0, COLS - 8, "[%02d:%02d] ",
- tp->tm_hour, tp->tm_min);
- wrefresh(screen->upper_stat_line);
-}
-
-/* Prints current cursor coordinates on some output stat line */
-
-void silc_screen_print_coordinates(SilcScreen screen, int win_index)
-{
- wattrset(screen->output_stat_line[win_index], A_REVERSE);
- mvwprintw(screen->output_stat_line[win_index], 0, COLS - 10,
- "[%4d,%3d]", screen->input_pos, LINES);
- wrefresh(screen->output_stat_line[win_index]);
- wattrset(screen->output_stat_line[win_index], A_NORMAL);
-}
-
-/* Prints bottom line (the status line) of the screen. */
-
-void silc_screen_print_bottom_line(SilcScreen screen, int win_index)
-{
- char buf[512];
- SilcScreenBottomLine line = screen->bottom_line;
- int i, len;
-
- memset(buf, 0, sizeof(buf));
-
- if (line->mode) {
- len = strlen(line->mode);
- strncat(buf, line->mode, len);
- }
-
- if (line->nickname) {
- len = strlen(line->nickname);
- strncat(buf, line->nickname, len > SILC_SCREEN_MAX_NICK_LEN ?
- SILC_SCREEN_MAX_NICK_LEN : len);
- }
-
- if (line->connection) {
- len = strlen(line->connection);
- strncat(buf, " via ", 5);
- strncat(buf, line->connection, len > SILC_SCREEN_MAX_CONN_LEN ?
- SILC_SCREEN_MAX_CONN_LEN : len);
- }
-
- if (line->channel) {
- len = strlen(line->channel);
- strncat(buf, " ", 1);
- strncat(buf, line->channel, len > SILC_SCREEN_MAX_CHANNEL_LEN ?
- SILC_SCREEN_MAX_CHANNEL_LEN : len);
- }
-
- if (line->channel_mode) {
- len = strlen(line->channel_mode);
- strncat(buf, " (+", 3);
- strncat(buf, line->channel_mode, len > SILC_SCREEN_MAX_CHANNEL_LEN ?
- SILC_SCREEN_MAX_CHANNEL_LEN : len);
- strncat(buf, ")", 2);
- }
-
- if (line->umode) {
- len = strlen(line->umode);
- strncat(buf, " [", 2);
- strncat(buf, line->umode, len > SILC_SCREEN_MAX_UMODE_LEN ?
- SILC_SCREEN_MAX_UMODE_LEN : len);
- strncat(buf, "]", 2);
- }
-
- if (line->away)
- strncat(buf, " (away)", 8);
-
- wattrset(screen->output_stat_line[win_index], A_REVERSE);
-
- for (i = 0; i < COLS - 10; i++)
- mvwprintw(screen->output_stat_line[win_index], 0, i, " ");
-
- mvwprintw(screen->output_stat_line[win_index], 0, 0, " %s", buf);
- silc_screen_print_coordinates(screen, win_index);
- wrefresh(screen->output_stat_line[win_index]);
- wattrset(screen->output_stat_line[win_index], A_NORMAL);
-}
-
-/* Refresh all windows */
-
-void silc_screen_refresh_all(SilcScreen screen)
-{
- int i;
-
- assert(screen != NULL);
-
- wclear(screen->upper_stat_line);
- silc_screen_print_upper_stat_line(screen);
-
- wclear(screen->output_stat_line[0]);
- silc_screen_print_bottom_line(screen, 0);
- silc_screen_print_coordinates(screen, 0);
-
- for (i = 0; i < screen->output_win_count; i++) {
- wclear(screen->output_win[i]);
- wrefresh(screen->output_win[i]);
- }
-
- wclear(screen->input_win);
- wrefresh(screen->input_win);
-}
-
-/* Refreshes a window */
-
-void silc_screen_refresh_win(WINDOW *win)
-{
- assert(win != NULL);
-
- redrawwin(win);
- wrefresh(win);
-}
-
-/* Resets input window */
-
-void silc_screen_input_reset(SilcScreen screen)
-{
- int i;
-
- assert(screen != NULL);
- for (i = 0; i < COLS - 1; i++)
- mvwprintw(screen->input_win, 0, i, " ");
- mvwprintw(screen->input_win, 0, 0, "");
- wrefresh(screen->input_win);
- screen->input_pos = 0;
- screen->input_end = 0;
- screen->cursor_pos = 0;
- screen->virtual_window = 0;
-}
-
-/* Backspace. Removes one character from input windows. */
-
-void silc_screen_input_backspace(SilcScreen screen)
-{
- WINDOW *win;
- char *buffer;
-
- assert(screen != NULL);
- buffer = screen->input_buffer;
- win = screen->input_win;
-
- /* Return directly if at the start of input line */
- if (screen->input_pos == 0)
- return;
-
- if (screen->virtual_window) {
- if (screen->cursor_pos <= 10) {
- int i;
-
- /* Clear line */
- for (i = 0; i < COLS; i++)
- mvwprintw(win, 0, i, " ");
- mvwprintw(win, 0, 0, "");
-
- screen->virtual_window--;
-
- waddnstr(win, &buffer[screen->virtual_window * (COLS - 5)], COLS);
- screen->input_pos = ((screen->virtual_window + 1) * (COLS - 5));
- screen->input_end = ((screen->virtual_window + 1) * (COLS - 5));
- screen->cursor_pos = (COLS - 5);
- wrefresh(win);
- }
- }
-
- screen->cursor_pos--;
- screen->input_pos--;
- screen->input_end--;
- mvwdelch(win, 0, screen->cursor_pos);
-
- if (screen->input_pos < screen->input_end)
- /* Delete from inside the input line */
- SILC_SCREEN_INPUT_DELETE(buffer, screen->input_pos, screen->input_end);
- else
- /* Delete from the end of the input line */
- buffer[screen->input_pos] = 0;
-
- wrefresh(win);
-}
-
-/* Switches insert on input window on/off */
-
-void silc_screen_input_insert(SilcScreen screen)
-{
- assert(screen != NULL);
-
- screen->insert = screen->insert == TRUE ? FALSE : TRUE;
-}
-
-/* Moves cursor one character length to rightward */
-
-void silc_screen_input_cursor_right(SilcScreen screen)
-{
- WINDOW *win;
- char *buffer;
-
- assert(screen != NULL);
- buffer = screen->input_buffer;
- win = screen->input_win;
-
- /* Return directly if we are at the end of input line */
- if (screen->cursor_pos >= SILC_SCREEN_INPUT_WIN_SIZE)
- return;
-
- /* Make sure cursor doesn't advance over the end of the line */
- if (screen->input_pos >= screen->input_end)
- return;
-
- /* When cursor advances enough we switch to new window and show
- rest of the typed characters on the screen. */
- if (screen->cursor_pos >= (COLS - 5)) {
- int i;
-
- /* Clear line */
- for (i = 0; i < COLS; i++)
- mvwprintw(win, 0, i, " ");
- mvwprintw(win, 0, 0, "");
-
- waddnstr(win, &buffer[screen->input_pos - 10],
- ((screen->input_pos - 10) - screen->input_end >= COLS) ?
- COLS : (screen->input_pos - 10) - screen->input_end);
- screen->cursor_pos = 10;
- wrefresh(win);
-
- screen->virtual_window++;
- }
-
- screen->cursor_pos++;
- screen->input_pos++;
- wmove(win, 0, screen->cursor_pos);
- wrefresh(win);
-}
-
-/* Moves cursor one character length to leftward */
-
-void silc_screen_input_cursor_left(SilcScreen screen)
-{
- WINDOW *win;
- char *buffer;
-
- assert(screen != NULL);
- buffer = screen->input_buffer;
- win = screen->input_win;
-
- /* Return directly if at the start of input line */
- if (screen->input_pos == 0)
- return;
-
- /* When cursor advances enough we switch to new window and show
- rest of the typed characters on the screen. */
- if (screen->virtual_window) {
- if (screen->cursor_pos <= 10) {
- int i;
-
- /* Clear line */
- for (i = 0; i < COLS; i++)
- mvwprintw(win, 0, i, " ");
- mvwprintw(win, 0, 0, "");
-
- screen->virtual_window--;
-
- waddnstr(win, &buffer[screen->virtual_window * (COLS - 5)], COLS);
- screen->input_pos = ((screen->virtual_window + 1) * (COLS - 5));
- screen->cursor_pos = (COLS - 5);
- wrefresh(win);
- }
- }
-
- screen->cursor_pos--;
- screen->input_pos--;
- wmove(win, 0, screen->cursor_pos);
- wrefresh(win);
-}
-
-/* Moves cursor at the very start of the input line */
-
-void silc_screen_input_cursor_home(SilcScreen screen)
-{
- WINDOW *win;
- char *buffer;
-
- assert(screen != NULL);
- buffer = screen->input_buffer;
- win = screen->input_win;
-
- wclear(win);
- waddnstr(win, &buffer[0], COLS);
- wrefresh(win);
-
- screen->input_pos = 0;
- screen->cursor_pos = 0;
- screen->virtual_window = 0;
-}
-
-/* Moves cursor at the very end of the input line */
-
-void silc_screen_input_cursor_end(SilcScreen screen)
-{
- WINDOW *win;
- char *buffer;
-
- assert(screen != NULL);
- buffer = screen->input_buffer;
- win = screen->input_win;
-
- wclear(win);
- waddnstr(win, &buffer[screen->input_end - 10], 10);
- wrefresh(win);
-
- screen->input_pos = screen->input_end;
- screen->cursor_pos = 10;
- /* XXX */
- screen->virtual_window = 0;
-}
-
-/* Prints typed character into the input window for user to see. Character
- attributes must be set separately outside this function. */
-
-void silc_screen_input_print(SilcScreen screen, unsigned char c)
-{
- WINDOW *win;
- char *buffer;
-
- assert(screen != NULL);
- buffer = screen->input_buffer;
- win = screen->input_win;
-
- /* Return directly if input window is full */
- if (screen->input_pos >= SILC_SCREEN_INPUT_WIN_SIZE)
- return;
-
- /* The input window is COLS wide but one can type into it at most
- SILC_SCREEN_INPUT_SIZE characters. When COLS - 5 characters is
- typed the window is cleared and the cursor is moved at the tenth
- character in the input window. Ten last typed character is then
- showed at the start of the window. */
- if (screen->cursor_pos >= (COLS - 5)) {
- int i;
-
- /* Clear line */
- for (i = 0; i < COLS; i++)
- mvwprintw(win, 0, i, " ");
- mvwprintw(win, 0, 0, "");
-
- /* Show ten last typed characters from the buffer on the screen */
- waddnstr(win, &buffer[screen->input_pos - 10], 10);
- screen->cursor_pos = 10;
- wrefresh(win);
-
- screen->virtual_window++;
- }
-
- if (screen->input_pos < screen->input_end) {
- /* User moved cursor into the typed line. We are not adding
- character at the end of the line anymore */
-
- if (screen->insert == FALSE) {
- /* Add new character somewhere inside typed line. The input
- line position is not advanced since a character was replaced
- by the new character. */
- waddch(win, c);
- buffer[screen->input_pos] = c;
- screen->cursor_pos++;
- screen->input_pos++;
- screen->input_end = screen->input_pos;
- } else {
- /* Insert new character somewhere inside typed line. Other
- characters are moved forward. We must advance the input line
- posititon. */
- winsch(win, c);
- wmove(win, 0, screen->cursor_pos + 1);
- SILC_SCREEN_INPUT_INSERT(buffer, screen->input_pos,
- c, screen->input_end);
- screen->cursor_pos++;
- screen->input_pos++;
- screen->input_end++;
- }
- } else {
- /* Add new character at the end of input line */
- waddch(win, c);
- buffer[screen->input_pos] = c;
- screen->input_pos++;
- screen->cursor_pos++;
- screen->input_end = screen->input_pos;
- }
-
- /* Advance the cursor position. Cursor moves one to rightward always */
- wrefresh(win);
-}
-
-/* Prints prompt to the input window. Cursors position aftern printing
- is length of the prompt. */
-
-void silc_screen_input_print_prompt(SilcScreen screen, char *prompt)
-{
- WINDOW *win;
-
- assert(screen != NULL);
- win = screen->input_win;
-
- wclear(win);
- waddnstr(win, prompt, strlen(prompt));
- wrefresh(win);
-
- screen->input_pos = strlen(prompt);
- screen->cursor_pos = strlen(prompt);
- screen->virtual_window = 0;
-}
projects / runtime.git / blobdiff