mirror of
https://git.jabber.space/devs/cproof.git
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Added ui subdir to source
This commit is contained in:
James Booth
568
src/ui/inputwin.c
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568
src/ui/inputwin.c
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@@ -0,0 +1,568 @@
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/*
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* inputwin.c
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*
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* Copyright (C) 2012, 2013 James Booth <boothj5@gmail.com>
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*
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* This file is part of Profanity.
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*
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* Profanity is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Profanity is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Profanity. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#define _XOPEN_SOURCE_EXTENDED
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#ifdef HAVE_NCURSESW_NCURSES_H
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#include <ncursesw/ncurses.h>
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#elif HAVE_NCURSES_H
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#include <ncurses.h>
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#endif
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#include "common.h"
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#include "command.h"
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#include "contact_list.h"
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#include "log.h"
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#include "preferences.h"
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#include "profanity.h"
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#include "theme.h"
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#include "ui.h"
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#define _inp_win_refresh() prefresh(inp_win, 0, pad_start, rows-1, 0, rows-1, cols-1)
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static WINDOW *inp_win;
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static int pad_start = 0;
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static int rows, cols;
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static int _handle_edit(int result, const wint_t ch, char *input, int *size);
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static int _printable(const wint_t ch);
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static void _clear_input(void);
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static void _go_to_end(int display_size);
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void
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create_input_window(void)
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{
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#ifdef NCURSES_REENTRANT
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set_escdelay(25);
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#else
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ESCDELAY = 25;
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#endif
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getmaxyx(stdscr, rows, cols);
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inp_win = newpad(1, INP_WIN_MAX);
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wbkgd(inp_win, COLOUR_INPUT_TEXT);
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keypad(inp_win, TRUE);
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wmove(inp_win, 0, 0);
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_inp_win_refresh();
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}
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void
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inp_win_resize(const char * const input, const int size)
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{
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int inp_x;
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getmaxyx(stdscr, rows, cols);
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inp_x = getcurx(inp_win);
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// if lost cursor off screen, move contents to show it
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if (inp_x >= pad_start + cols) {
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pad_start = inp_x - (cols / 2);
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if (pad_start < 0) {
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pad_start = 0;
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}
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}
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_inp_win_refresh();
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}
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void
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inp_non_block(void)
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{
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wtimeout(inp_win, 20);
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}
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void
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inp_block(void)
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{
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wtimeout(inp_win, -1);
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}
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wint_t
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inp_get_char(char *input, int *size)
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{
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int inp_x = 0;
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int i;
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wint_t ch;
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int display_size = 0;
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if (*size != 0) {
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display_size = g_utf8_strlen(input, *size);
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}
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// echo off, and get some more input
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noecho();
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int result = wget_wch(inp_win, &ch);
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gboolean in_command = FALSE;
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if ((display_size > 0 && input[0] == '/') ||
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(display_size == 0 && ch == '/')) {
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in_command = TRUE;
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}
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if (prefs_get_states()) {
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if (result == ERR) {
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prof_handle_idle();
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}
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if (prefs_get_outtype() && (result != ERR) && !in_command
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&& _printable(ch)) {
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prof_handle_activity();
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}
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}
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// if it wasn't an arrow key etc
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if (!_handle_edit(result, ch, input, size)) {
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if (_printable(ch) && result != KEY_CODE_YES) {
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inp_x = getcurx(inp_win);
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// handle insert if not at end of input
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if (inp_x < display_size) {
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char bytes[MB_CUR_MAX];
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size_t utf_len = wcrtomb(bytes, ch, NULL);
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char *next_ch = g_utf8_offset_to_pointer(input, inp_x);
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char *offset;
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for (offset = &input[*size - 1]; offset >= next_ch; offset--) {
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*(offset + utf_len) = *offset;
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}
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for (i = 0; i < utf_len; i++) {
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*(next_ch + i) = bytes[i];
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}
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*size += utf_len;
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input[*size] = '\0';
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wprintw(inp_win, next_ch);
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wmove(inp_win, 0, inp_x + 1);
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if (inp_x - pad_start > cols-3) {
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pad_start++;
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_inp_win_refresh();
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}
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// otherwise just append
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} else {
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char bytes[MB_CUR_MAX+1];
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size_t utf_len = wcrtomb(bytes, ch, NULL);
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// wcrtomb can return (size_t) -1
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if (utf_len < MB_CUR_MAX) {
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for (i = 0 ; i < utf_len; i++) {
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input[(*size)++] = bytes[i];
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}
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input[*size] = '\0';
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bytes[utf_len] = '\0';
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wprintw(inp_win, bytes);
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display_size++;
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// if gone over screen size follow input
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int rows, cols;
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getmaxyx(stdscr, rows, cols);
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if (display_size - pad_start > cols-2) {
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pad_start++;
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_inp_win_refresh();
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}
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}
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}
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cmd_reset_autocomplete();
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}
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}
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echo();
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return ch;
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}
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void
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inp_get_password(char *passwd)
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{
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_clear_input();
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_inp_win_refresh();
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noecho();
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mvwgetnstr(inp_win, 0, 1, passwd, 20);
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wmove(inp_win, 0, 0);
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echo();
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status_bar_clear();
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}
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void
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inp_put_back(void)
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{
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_inp_win_refresh();
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}
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void
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inp_replace_input(char *input, const char * const new_input, int *size)
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{
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int display_size;
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strcpy(input, new_input);
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*size = strlen(input);
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display_size = g_utf8_strlen(input, *size);
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inp_win_reset();
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input[*size] = '\0';
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wprintw(inp_win, input);
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_go_to_end(display_size);
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}
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void
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inp_win_reset(void)
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{
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_clear_input();
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pad_start = 0;
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_inp_win_refresh();
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}
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static void
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_clear_input(void)
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{
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wclear(inp_win);
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wmove(inp_win, 0, 0);
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}
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/*
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* Deal with command editing, return 1 if ch was an edit
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* key press: up, down, left, right or backspace
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* return 0 if it wasnt
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*/
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static int
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_handle_edit(int result, const wint_t ch, char *input, int *size)
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{
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char *prev = NULL;
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char *next = NULL;
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int inp_x = 0;
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int next_ch;
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int display_size = 0;
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if (*size != 0) {
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display_size = g_utf8_strlen(input, *size);
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}
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inp_x = getcurx(inp_win);
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// CTRL-LEFT
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if ((result == KEY_CODE_YES) && (ch == 545 || ch == 540 || ch == 539) && (inp_x > 0)) {
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input[*size] = '\0';
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gchar *curr_ch = g_utf8_offset_to_pointer(input, inp_x);
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curr_ch = g_utf8_find_prev_char(input, curr_ch);
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gchar *prev_ch;
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gunichar curr_uni;
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gunichar prev_uni;
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while (curr_ch != NULL) {
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curr_uni = g_utf8_get_char(curr_ch);
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if (g_unichar_isspace(curr_uni)) {
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curr_ch = g_utf8_find_prev_char(input, curr_ch);
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} else {
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prev_ch = g_utf8_find_prev_char(input, curr_ch);
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if (prev_ch == NULL) {
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curr_ch = NULL;
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break;
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} else {
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prev_uni = g_utf8_get_char(prev_ch);
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if (g_unichar_isspace(prev_uni)) {
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break;
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} else {
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curr_ch = prev_ch;
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}
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}
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}
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}
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if (curr_ch == NULL) {
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inp_x = 0;
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wmove(inp_win, 0, inp_x);
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} else {
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glong offset = g_utf8_pointer_to_offset(input, curr_ch);
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inp_x = offset;
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wmove(inp_win, 0, inp_x);
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}
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// if gone off screen to left, jump left (half a screen worth)
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if (inp_x <= pad_start) {
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pad_start = pad_start - (cols / 2);
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if (pad_start < 0) {
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pad_start = 0;
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}
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_inp_win_refresh();
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}
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return 1;
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// CTRL-RIGHT
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} else if ((result == KEY_CODE_YES) && (ch == 560 || ch == 555 || ch == 554) && (inp_x < display_size)) {
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input[*size] = '\0';
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gchar *curr_ch = g_utf8_offset_to_pointer(input, inp_x);
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gchar *next_ch = g_utf8_find_next_char(curr_ch, NULL);
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gunichar curr_uni;
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gunichar next_uni;
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gboolean moved = FALSE;
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while (g_utf8_pointer_to_offset(input, next_ch) < display_size) {
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curr_uni = g_utf8_get_char(curr_ch);
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next_uni = g_utf8_get_char(next_ch);
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curr_ch = next_ch;
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next_ch = g_utf8_find_next_char(next_ch, NULL);
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if (!g_unichar_isspace(curr_uni) && g_unichar_isspace(next_uni) && moved) {
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break;
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} else {
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moved = TRUE;
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}
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}
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if (next_ch == NULL) {
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inp_x = display_size;
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wmove(inp_win, 0, inp_x);
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} else {
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glong offset = g_utf8_pointer_to_offset(input, curr_ch);
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if (offset == display_size - 1) {
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inp_x = offset + 1;
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} else {
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inp_x = offset;
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}
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wmove(inp_win, 0, inp_x);
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}
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// if gone off screen to right, jump right (half a screen worth)
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if (inp_x > pad_start + cols) {
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pad_start = pad_start + (cols / 2);
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_inp_win_refresh();
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}
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return 1;
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// other editing keys
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} else {
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switch(ch) {
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case 27: // ESC
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// check for ALT-num
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next_ch = wgetch(inp_win);
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if (next_ch != ERR) {
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switch (next_ch)
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{
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case '1':
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ui_switch_win(0);
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break;
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case '2':
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ui_switch_win(1);
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break;
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case '3':
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ui_switch_win(2);
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break;
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case '4':
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ui_switch_win(3);
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break;
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case '5':
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ui_switch_win(4);
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break;
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case '6':
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ui_switch_win(5);
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break;
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case '7':
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ui_switch_win(6);
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break;
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case '8':
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ui_switch_win(7);
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break;
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case '9':
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ui_switch_win(8);
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break;
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case '0':
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ui_switch_win(9);
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break;
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default:
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break;
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}
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return 1;
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} else {
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*size = 0;
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inp_win_reset();
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return 1;
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}
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case 127:
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case KEY_BACKSPACE:
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contact_list_reset_search_attempts();
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if (display_size > 0) {
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// if at end, delete last char
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if (inp_x >= display_size) {
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gchar *start = g_utf8_substring(input, 0, inp_x-1);
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for (*size = 0; *size < strlen(start); (*size)++) {
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input[*size] = start[*size];
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}
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input[*size] = '\0';
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g_free(start);
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_clear_input();
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wprintw(inp_win, input);
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wmove(inp_win, 0, inp_x -1);
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// if in middle, delete and shift chars left
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} else if (inp_x > 0 && inp_x < display_size) {
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gchar *start = g_utf8_substring(input, 0, inp_x - 1);
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gchar *end = g_utf8_substring(input, inp_x, *size);
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GString *new = g_string_new(start);
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g_string_append(new, end);
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for (*size = 0; *size < strlen(new->str); (*size)++) {
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input[*size] = new->str[*size];
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}
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input[*size] = '\0';
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g_free(start);
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g_free(end);
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g_string_free(new, FALSE);
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_clear_input();
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wprintw(inp_win, input);
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wmove(inp_win, 0, inp_x -1);
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}
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// if gone off screen to left, jump left (half a screen worth)
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if (inp_x <= pad_start) {
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pad_start = pad_start - (cols / 2);
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if (pad_start < 0) {
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pad_start = 0;
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}
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_inp_win_refresh();
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}
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}
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return 1;
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case KEY_DC: // DEL
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if (inp_x == display_size-1) {
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gchar *start = g_utf8_substring(input, 0, inp_x);
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for (*size = 0; *size < strlen(start); (*size)++) {
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input[*size] = start[*size];
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}
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input[*size] = '\0';
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g_free(start);
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_clear_input();
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wprintw(inp_win, input);
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} else if (inp_x < display_size-1) {
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gchar *start = g_utf8_substring(input, 0, inp_x);
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gchar *end = g_utf8_substring(input, inp_x+1, *size);
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GString *new = g_string_new(start);
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g_string_append(new, end);
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for (*size = 0; *size < strlen(new->str); (*size)++) {
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input[*size] = new->str[*size];
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}
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input[*size] = '\0';
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g_free(start);
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g_free(end);
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g_string_free(new, FALSE);
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_clear_input();
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wprintw(inp_win, input);
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wmove(inp_win, 0, inp_x);
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}
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return 1;
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case KEY_LEFT:
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if (inp_x > 0) {
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wmove(inp_win, 0, inp_x-1);
|
||||
|
||||
// current position off screen to left
|
||||
if (inp_x - 1 < pad_start) {
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||||
pad_start--;
|
||||
_inp_win_refresh();
|
||||
}
|
||||
}
|
||||
return 1;
|
||||
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||||
case KEY_RIGHT:
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||||
if (inp_x < display_size) {
|
||||
wmove(inp_win, 0, inp_x+1);
|
||||
|
||||
// current position off screen to right
|
||||
if ((inp_x + 1 - pad_start) >= cols) {
|
||||
pad_start++;
|
||||
_inp_win_refresh();
|
||||
}
|
||||
}
|
||||
return 1;
|
||||
|
||||
case KEY_UP:
|
||||
prev = cmd_history_previous(input, size);
|
||||
if (prev) {
|
||||
inp_replace_input(input, prev, size);
|
||||
}
|
||||
return 1;
|
||||
|
||||
case KEY_DOWN:
|
||||
next = cmd_history_next(input, size);
|
||||
if (next) {
|
||||
inp_replace_input(input, next, size);
|
||||
}
|
||||
return 1;
|
||||
|
||||
case KEY_HOME:
|
||||
wmove(inp_win, 0, 0);
|
||||
pad_start = 0;
|
||||
_inp_win_refresh();
|
||||
return 1;
|
||||
|
||||
case KEY_END:
|
||||
_go_to_end(display_size);
|
||||
return 1;
|
||||
|
||||
case 9: // tab
|
||||
cmd_autocomplete(input, size);
|
||||
return 1;
|
||||
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_go_to_end(int display_size)
|
||||
{
|
||||
wmove(inp_win, 0, display_size);
|
||||
if (display_size > cols-2) {
|
||||
pad_start = display_size - cols + 1;
|
||||
_inp_win_refresh();
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
_printable(const wint_t ch)
|
||||
{
|
||||
char bytes[MB_CUR_MAX+1];
|
||||
size_t utf_len = wcrtomb(bytes, ch, NULL);
|
||||
bytes[utf_len] = '\0';
|
||||
gunichar unichar = g_utf8_get_char(bytes);
|
||||
return g_unichar_isprint(unichar) && (ch != KEY_MOUSE);
|
||||
}
|
||||
Reference in New Issue
Block a user