mirror of https://github.com/Tha14/toxic.git
866 lines
22 KiB
C
866 lines
22 KiB
C
/* line_info.c
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*
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*
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* Copyright (C) 2014 Toxic All Rights Reserved.
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*
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* This file is part of Toxic.
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*
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* Toxic 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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* Toxic 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 Toxic. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include "conference.h"
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#include "line_info.h"
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#include "message_queue.h"
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#include "misc_tools.h"
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#include "notify.h"
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#include "settings.h"
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#include "toxic.h"
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#include "windows.h"
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extern struct user_settings *user_settings;
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void line_info_init(struct history *hst)
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{
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hst->line_root = calloc(1, sizeof(struct line_info));
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if (hst->line_root == NULL) {
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exit_toxic_err("failed in line_info_init", FATALERR_MEMORY);
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}
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hst->line_start = hst->line_root;
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hst->line_end = hst->line_start;
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hst->queue_size = 0;
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}
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/* resets line_start (moves to end of chat history) */
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void line_info_reset_start(ToxWindow *self, struct history *hst)
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{
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struct line_info *line = hst->line_end;
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if (line->prev == NULL) {
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return;
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}
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int y2;
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int x2;
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getmaxyx(self->window, y2, x2);
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UNUSED_VAR(x2);
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int top_offst = (self->type == WINDOW_TYPE_CHAT) || (self->type == WINDOW_TYPE_PROMPT) ? TOP_BAR_HEIGHT : 0;
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int max_y = y2 - CHATBOX_HEIGHT - WINDOW_BAR_HEIGHT - top_offst;
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uint16_t curlines = 0;
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do {
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curlines += line->format_lines;
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line = line->prev;
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} while (line->prev && curlines + line->format_lines <= max_y);
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hst->line_start = line;
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self->scroll_pause = false;
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}
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void line_info_cleanup(struct history *hst)
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{
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struct line_info *tmp1 = hst->line_root;
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while (tmp1) {
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struct line_info *tmp2 = tmp1->next;
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free(tmp1);
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tmp1 = tmp2;
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}
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for (size_t i = 0; i < hst->queue_size; ++i) {
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if (hst->queue[i]) {
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free(hst->queue[i]);
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}
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}
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free(hst);
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}
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/* moves root forward and frees previous root */
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static void line_info_root_fwd(struct history *hst)
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{
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struct line_info *tmp = hst->line_root->next;
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tmp->prev = NULL;
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if (hst->line_start->prev == NULL) { /* if line_start is root move it forward as well */
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hst->line_start = hst->line_start->next;
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hst->line_start->prev = NULL;
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++hst->start_id;
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}
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free(hst->line_root);
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hst->line_root = tmp;
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}
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/* returns ptr to queue item 0 and removes it from queue. Returns NULL if queue is empty. */
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static struct line_info *line_info_ret_queue(struct history *hst)
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{
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if (hst->queue_size == 0) {
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return NULL;
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}
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struct line_info *line = hst->queue[0];
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for (size_t i = 0; i < hst->queue_size; ++i) {
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hst->queue[i] = hst->queue[i + 1];
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}
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--hst->queue_size;
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return line;
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}
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/* Prints a maximum of `n` chars from `s` to `win`.
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*
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* Return 1 if the string contains a newline byte.
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* Return 0 if string does not contain a newline byte.
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* Return -1 if printing was aborted.
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*/
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static int print_n_chars(WINDOW *win, const char *s, size_t n, int max_y)
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{
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bool newline = false;
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char ch;
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for (size_t i = 0; i < n && (ch = s[i]); ++i) {
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if (ch == '\n') {
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newline = true;
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int x;
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int y;
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UNUSED_VAR(x);
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getyx(win, y, x);
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// make sure cursor will wrap correctly after newline to prevent display bugs
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if (y + 1 >= max_y) {
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return -1;
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}
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}
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if (win) {
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wprintw(win, "%c", ch);
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}
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}
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return newline;
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}
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/* Returns the index of the last space character in `s` found before `limit`.
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* Returns -1 if no space is found.
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*/
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static int rspace_index(const char *s, int limit)
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{
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for (int i = limit; i >= 0; --i) {
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if (s[i] == ' ') {
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return i;
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}
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}
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return -1;
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}
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/* Returns the first index in `s` containing a newline byte found before `limit`.
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* Returns -1 if no newline is found.
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*/
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static int newline_index(const char *s, int limit)
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{
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char ch;
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for (int i = 0; i < limit && (ch = s[i]); ++i) {
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if (ch == '\n') {
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return i;
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}
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}
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return -1;
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}
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/* Returns the number of newline bytes in `s` */
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static unsigned int newline_count(const char *s)
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{
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char ch;
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unsigned int count = 0;
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for (size_t i = 0; (ch = s[i]); ++i) {
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if (ch == '\n') {
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++count;
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}
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}
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return count;
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}
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/* Prints `line` message to window, wrapping at the last word that fits on the current line.
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* This function updates the `format_lines` field of `line` according to current window dimensions.
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*
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* If `win` is null nothing will be printed to the window. This is useful to set the
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* `format_lines` field on initialization.
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*
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* Return 0 on success.
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* Return -1 if not all characters in line's message were printed to screen.
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*/
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static int print_wrap(WINDOW *win, struct line_info *line, int max_x, int max_y)
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{
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int x;
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int y;
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UNUSED_VAR(y);
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const char *msg = line->msg;
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uint16_t length = line->msg_len;
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uint16_t lines = 0;
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const int x_start = line->len - line->msg_len - 1; // manually keep track of x position because ncurses sucks
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int x_limit = max_x - x_start;
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if (x_limit <= 1) {
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fprintf(stderr, "Warning: x_limit <= 0 in print_wrap(): %d\n", x_limit);
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return -1;
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}
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while (msg) {
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getyx(win, y, x);
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// next line would print past window limit so we abort; we don't want to update format_lines
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if (x > x_start) {
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return -1;
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}
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if (length < x_limit) {
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int p_ret = print_n_chars(win, msg, length, max_y);
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if (p_ret == 1) {
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lines += newline_count(msg);
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} else if (p_ret == -1) {
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return -1;
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}
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++lines;
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break;
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}
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int newline_idx = newline_index(msg, x_limit - 1);
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if (newline_idx >= 0) {
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if (print_n_chars(win, msg, newline_idx + 1, max_y) == -1) {
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return -1;
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}
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msg += (newline_idx + 1);
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length -= (newline_idx + 1);
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x_limit = max_x; // if we find a newline we stop adding column padding for rest of message
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++lines;
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continue;
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}
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int space_idx = rspace_index(msg, x_limit - 1);
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if (space_idx >= 1) {
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if (print_n_chars(win, msg, space_idx, max_y) == -1) {
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return -1;
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}
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msg += space_idx + 1;
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length -= (space_idx + 1);
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if (win) {
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waddch(win, '\n');
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}
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} else {
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if (print_n_chars(win, msg, x_limit, max_y) == -1) {
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return -1;
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}
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msg += x_limit;
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length -= x_limit;
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}
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// Add padding to the start of the next line
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if (win && x_limit < max_x) {
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for (size_t i = 0; i < x_start; ++i) {
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waddch(win, ' ');
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}
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}
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++lines;
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}
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if (win && line->noread_flag) {
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getyx(win, y, x);
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if (x >= max_x - 1 || x == x_start) {
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++lines;
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}
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wattron(win, COLOR_PAIR(RED));
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wprintw(win, " x");
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wattroff(win, COLOR_PAIR(RED));
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}
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line->format_lines = lines;
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return 0;
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}
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static void line_info_init_line(ToxWindow *self, struct line_info *line)
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{
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int y2;
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int x2;
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UNUSED_VAR(y2);
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getmaxyx(self->window, y2, x2);
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const int max_y = y2 - CHATBOX_HEIGHT - WINDOW_BAR_HEIGHT;
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const int max_x = self->show_peerlist ? x2 - 1 - SIDEBAR_WIDTH : x2;
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print_wrap(NULL, line, max_x, max_y);
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}
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/* creates new line_info line and puts it in the queue.
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*
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* Returns the id of the new line.
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* Returns -1 on failure.
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*/
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int line_info_add(ToxWindow *self, const char *timestr, const char *name1, const char *name2, uint8_t type,
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uint8_t bold, uint8_t colour, const char *msg, ...)
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{
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if (!self) {
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return -1;
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}
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struct history *hst = self->chatwin->hst;
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if (hst->queue_size >= MAX_LINE_INFO_QUEUE) {
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return -1;
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}
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struct line_info *new_line = calloc(1, sizeof(struct line_info));
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if (new_line == NULL) {
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exit_toxic_err("failed in line_info_add", FATALERR_MEMORY);
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}
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char frmt_msg[MAX_LINE_INFO_MSG_SIZE];
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frmt_msg[0] = 0;
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va_list args;
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va_start(args, msg);
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vsnprintf(frmt_msg, sizeof(frmt_msg), msg, args);
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va_end(args);
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int len = 1; /* there will always be a newline */
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/* for type-specific formatting in print function */
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switch (type) {
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case IN_ACTION:
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/* fallthrough */
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case OUT_ACTION:
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len += strlen(user_settings->line_normal) + 2;
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break;
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case IN_MSG:
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/* fallthrough */
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case OUT_MSG:
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len += strlen(user_settings->line_normal) + 3;
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break;
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case CONNECTION:
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len += strlen(user_settings->line_join) + 2;
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break;
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case DISCONNECTION:
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len += strlen(user_settings->line_quit) + 2;
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break;
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case SYS_MSG:
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break;
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case NAME_CHANGE:
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len += strlen(user_settings->line_alert) + 1;
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break;
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case PROMPT:
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len += 2;
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break;
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default:
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len += 2;
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break;
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}
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uint16_t msg_len = 0;
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if (frmt_msg[0]) {
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snprintf(new_line->msg, sizeof(new_line->msg), "%s", frmt_msg);
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msg_len = strlen(new_line->msg);
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len += msg_len;
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}
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if (timestr) {
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snprintf(new_line->timestr, sizeof(new_line->timestr), "%s", timestr);
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len += strlen(new_line->timestr) + 1;
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}
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if (name1) {
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snprintf(new_line->name1, sizeof(new_line->name1), "%s", name1);
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len += strlen(new_line->name1);
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}
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if (name2) {
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snprintf(new_line->name2, sizeof(new_line->name2), "%s", name2);
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len += strlen(new_line->name2);
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}
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new_line->id = (hst->line_end->id + 1 + hst->queue_size) % INT_MAX;
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new_line->len = len;
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new_line->msg_len = msg_len;
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new_line->type = type;
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new_line->bold = bold;
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new_line->colour = colour;
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new_line->noread_flag = false;
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new_line->timestamp = get_unix_time();
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line_info_init_line(self, new_line);
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hst->queue[hst->queue_size++] = new_line;
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return new_line->id;
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}
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/* adds a single queue item to hst if possible. only called once per call to line_info_print() */
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static void line_info_check_queue(ToxWindow *self)
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{
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struct history *hst = self->chatwin->hst;
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struct line_info *line = line_info_ret_queue(hst);
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if (line == NULL) {
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return;
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}
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if (hst->start_id > user_settings->history_size) {
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line_info_root_fwd(hst);
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}
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line->prev = hst->line_end;
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hst->line_end->next = line;
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hst->line_end = line;
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hst->line_end->id = line->id;
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if (!self->scroll_pause) {
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line_info_reset_start(self, hst);
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}
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}
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#define NOREAD_FLAG_TIMEOUT 5 /* seconds before a sent message with no read receipt is flagged as unread */
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void line_info_print(ToxWindow *self)
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{
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ChatContext *ctx = self->chatwin;
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if (ctx == NULL) {
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return;
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}
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struct history *hst = ctx->hst;
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/* Only allow one new item to be added to chat window per call to this function */
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line_info_check_queue(self);
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WINDOW *win = ctx->history;
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wclear(win);
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int y2;
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int x2;
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getmaxyx(self->window, y2, x2);
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if (x2 - 1 <= SIDEBAR_WIDTH) { // leave room on x axis for sidebar padding
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return;
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}
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if (self->type == WINDOW_TYPE_CONFERENCE) {
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wmove(win, 0, 0);
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} else {
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wmove(win, TOP_BAR_HEIGHT, 0);
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}
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struct line_info *line = hst->line_start->next;
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if (!line) {
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return;
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}
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const int max_y = y2 - CHATBOX_HEIGHT - WINDOW_BAR_HEIGHT;
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const int max_x = self->show_peerlist ? x2 - 1 - SIDEBAR_WIDTH : x2;
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uint16_t numlines = line->format_lines;
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int print_ret = 0;
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while (line && numlines++ <= max_y && print_ret == 0) {
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int y;
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int x;
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UNUSED_VAR(y);
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getyx(win, y, x);
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if (x > 0) { // Prevents us from printing off the screen
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break;
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}
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uint8_t type = line->type;
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switch (type) {
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case OUT_MSG:
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/* fallthrough */
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case OUT_MSG_READ:
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/* fallthrough */
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case IN_MSG:
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wattron(win, COLOR_PAIR(BLUE));
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wprintw(win, "%s ", line->timestr);
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wattroff(win, COLOR_PAIR(BLUE));
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int nameclr = GREEN;
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if (line->colour) {
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nameclr = line->colour;
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} else if (type == IN_MSG) {
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nameclr = CYAN;
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}
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wattron(win, COLOR_PAIR(nameclr));
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wprintw(win, "%s %s: ", user_settings->line_normal, line->name1);
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wattroff(win, COLOR_PAIR(nameclr));
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if (line->msg[0] == 0) {
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waddch(win, '\n');
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break;
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}
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if (line->msg[0] == '>') {
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wattron(win, COLOR_PAIR(GREEN));
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} else if (line->msg[0] == '<') {
|
|
wattron(win, COLOR_PAIR(RED));
|
|
}
|
|
|
|
print_ret = print_wrap(win, line, max_x, max_y);
|
|
|
|
if (line->msg[0] == '>') {
|
|
wattroff(win, COLOR_PAIR(GREEN));
|
|
} else if (line->msg[0] == '<') {
|
|
wattroff(win, COLOR_PAIR(RED));
|
|
}
|
|
|
|
if (type == OUT_MSG && !line->read_flag) {
|
|
if (timed_out(line->timestamp, NOREAD_FLAG_TIMEOUT)) {
|
|
line->noread_flag = true;
|
|
}
|
|
}
|
|
|
|
waddch(win, '\n');
|
|
break;
|
|
|
|
case OUT_ACTION_READ:
|
|
|
|
/* fallthrough */
|
|
case OUT_ACTION:
|
|
|
|
/* fallthrough */
|
|
case IN_ACTION:
|
|
wattron(win, COLOR_PAIR(BLUE));
|
|
wprintw(win, "%s ", line->timestr);
|
|
wattroff(win, COLOR_PAIR(BLUE));
|
|
|
|
wattron(win, COLOR_PAIR(YELLOW));
|
|
wprintw(win, "%s %s ", user_settings->line_normal, line->name1);
|
|
print_ret = print_wrap(win, line, max_x, max_y);
|
|
wattroff(win, COLOR_PAIR(YELLOW));
|
|
|
|
if (type == OUT_ACTION && !line->read_flag) {
|
|
if (timed_out(line->timestamp, NOREAD_FLAG_TIMEOUT)) {
|
|
line->noread_flag = true;
|
|
}
|
|
}
|
|
|
|
waddch(win, '\n');
|
|
break;
|
|
|
|
case SYS_MSG:
|
|
if (line->timestr[0]) {
|
|
wattron(win, COLOR_PAIR(BLUE));
|
|
wprintw(win, "%s ", line->timestr);
|
|
wattroff(win, COLOR_PAIR(BLUE));
|
|
}
|
|
|
|
if (line->bold) {
|
|
wattron(win, A_BOLD);
|
|
}
|
|
|
|
if (line->colour) {
|
|
wattron(win, COLOR_PAIR(line->colour));
|
|
}
|
|
|
|
print_ret = print_wrap(win, line, max_x, max_y);
|
|
waddch(win, '\n');
|
|
|
|
if (line->bold) {
|
|
wattroff(win, A_BOLD);
|
|
}
|
|
|
|
if (line->colour) {
|
|
wattroff(win, COLOR_PAIR(line->colour));
|
|
}
|
|
|
|
break;
|
|
|
|
case PROMPT:
|
|
wattron(win, COLOR_PAIR(GREEN));
|
|
wprintw(win, "$ ");
|
|
wattroff(win, COLOR_PAIR(GREEN));
|
|
|
|
if (line->msg[0]) {
|
|
print_ret = print_wrap(win, line, max_x, max_y);
|
|
}
|
|
|
|
waddch(win, '\n');
|
|
break;
|
|
|
|
case CONNECTION:
|
|
wattron(win, COLOR_PAIR(BLUE));
|
|
wprintw(win, "%s ", line->timestr);
|
|
wattroff(win, COLOR_PAIR(BLUE));
|
|
|
|
wattron(win, COLOR_PAIR(line->colour));
|
|
wprintw(win, "%s ", user_settings->line_join);
|
|
|
|
wattron(win, A_BOLD);
|
|
wprintw(win, "%s ", line->name1);
|
|
wattroff(win, A_BOLD);
|
|
|
|
print_ret = print_wrap(win, line, max_x, max_y);
|
|
waddch(win, '\n');
|
|
|
|
wattroff(win, COLOR_PAIR(line->colour));
|
|
|
|
break;
|
|
|
|
case DISCONNECTION:
|
|
wattron(win, COLOR_PAIR(BLUE));
|
|
wprintw(win, "%s ", line->timestr);
|
|
wattroff(win, COLOR_PAIR(BLUE));
|
|
|
|
wattron(win, COLOR_PAIR(line->colour));
|
|
wprintw(win, "%s ", user_settings->line_quit);
|
|
|
|
wattron(win, A_BOLD);
|
|
wprintw(win, "%s ", line->name1);
|
|
wattroff(win, A_BOLD);
|
|
|
|
print_ret = print_wrap(win, line, max_x, max_y);
|
|
waddch(win, '\n');
|
|
|
|
wattroff(win, COLOR_PAIR(line->colour));
|
|
|
|
break;
|
|
|
|
case NAME_CHANGE:
|
|
wattron(win, COLOR_PAIR(BLUE));
|
|
wprintw(win, "%s ", line->timestr);
|
|
wattroff(win, COLOR_PAIR(BLUE));
|
|
|
|
wattron(win, COLOR_PAIR(MAGENTA));
|
|
wprintw(win, "%s ", user_settings->line_alert);
|
|
wattron(win, A_BOLD);
|
|
wprintw(win, "%s", line->name1);
|
|
wattroff(win, A_BOLD);
|
|
|
|
print_ret = print_wrap(win, line, max_x, max_y);
|
|
|
|
wattron(win, A_BOLD);
|
|
wprintw(win, "%s\n", line->name2);
|
|
wattroff(win, A_BOLD);
|
|
wattroff(win, COLOR_PAIR(MAGENTA));
|
|
|
|
break;
|
|
}
|
|
|
|
line = line->next;
|
|
}
|
|
|
|
/* keep calling until queue is empty */
|
|
if (hst->queue_size > 0) {
|
|
line_info_print(self);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Return true if all lines starting from `line` can fit on the screen.
|
|
*/
|
|
static bool line_info_screen_fit(ToxWindow *self, struct line_info *line)
|
|
{
|
|
if (!line) {
|
|
return true;
|
|
}
|
|
|
|
int x2;
|
|
int y2;
|
|
getmaxyx(self->chatwin->history, y2, x2);
|
|
|
|
UNUSED_VAR(x2);
|
|
|
|
const int top_offset = (self->type == WINDOW_TYPE_CHAT) || (self->type == WINDOW_TYPE_PROMPT) ? TOP_BAR_HEIGHT : 0;
|
|
const int max_y = y2 - top_offset;
|
|
|
|
uint16_t lines = line->format_lines;
|
|
|
|
while (line) {
|
|
if (lines > max_y) {
|
|
return false;
|
|
}
|
|
|
|
lines += line->format_lines;
|
|
line = line->next;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/* puts msg in specified line_info msg buffer */
|
|
void line_info_set(ToxWindow *self, uint32_t id, char *msg)
|
|
{
|
|
struct line_info *line = self->chatwin->hst->line_end;
|
|
|
|
while (line) {
|
|
if (line->id == id) {
|
|
size_t new_len = strlen(msg);
|
|
line->len = line->len - line->msg_len + new_len;
|
|
line->msg_len = new_len;
|
|
snprintf(line->msg, sizeof(line->msg), "%s", msg);
|
|
return;
|
|
}
|
|
|
|
line = line->prev;
|
|
}
|
|
}
|
|
|
|
static void line_info_scroll_up(ToxWindow *self, struct history *hst)
|
|
{
|
|
if (hst->line_start->prev) {
|
|
hst->line_start = hst->line_start->prev;
|
|
self->scroll_pause = true;
|
|
}
|
|
}
|
|
|
|
static void line_info_scroll_down(ToxWindow *self, struct history *hst)
|
|
{
|
|
struct line_info *next = hst->line_start->next;
|
|
|
|
if (next && self->scroll_pause) {
|
|
if (line_info_screen_fit(self, next->next)) {
|
|
line_info_reset_start(self, hst);
|
|
} else {
|
|
hst->line_start = next;
|
|
}
|
|
} else {
|
|
line_info_reset_start(self, hst);
|
|
}
|
|
}
|
|
|
|
static void line_info_page_up(ToxWindow *self, struct history *hst)
|
|
{
|
|
int x2;
|
|
int y2;
|
|
getmaxyx(self->window, y2, x2);
|
|
|
|
UNUSED_VAR(x2);
|
|
|
|
const int top_offset = (self->type == WINDOW_TYPE_CHAT) || (self->type == WINDOW_TYPE_PROMPT) ? TOP_BAR_HEIGHT : 0;
|
|
const int max_y = y2 - top_offset;
|
|
size_t jump_dist = max_y / 2;
|
|
|
|
for (size_t i = 0; i < jump_dist && hst->line_start->prev; ++i) {
|
|
hst->line_start = hst->line_start->prev;
|
|
}
|
|
|
|
self->scroll_pause = true;
|
|
}
|
|
|
|
static void line_info_page_down(ToxWindow *self, struct history *hst)
|
|
{
|
|
if (!self->scroll_pause) {
|
|
return;
|
|
}
|
|
|
|
int x2;
|
|
int y2;
|
|
getmaxyx(self->chatwin->history, y2, x2);
|
|
|
|
UNUSED_VAR(x2);
|
|
|
|
const int top_offset = (self->type == WINDOW_TYPE_CHAT) || (self->type == WINDOW_TYPE_PROMPT) ? TOP_BAR_HEIGHT : 0;
|
|
const int max_y = y2 - top_offset;
|
|
size_t jump_dist = max_y / 2;
|
|
|
|
struct line_info *next = hst->line_start->next;
|
|
|
|
for (size_t i = 0; i < jump_dist && next; ++i) {
|
|
if (line_info_screen_fit(self, next->next)) {
|
|
line_info_reset_start(self, hst);
|
|
break;
|
|
}
|
|
|
|
hst->line_start = next;
|
|
next = hst->line_start->next;
|
|
}
|
|
}
|
|
|
|
bool line_info_onKey(ToxWindow *self, wint_t key)
|
|
{
|
|
struct history *hst = self->chatwin->hst;
|
|
bool match = true;
|
|
|
|
if (key == user_settings->key_half_page_up) {
|
|
line_info_page_up(self, hst);
|
|
} else if (key == user_settings->key_half_page_down) {
|
|
line_info_page_down(self, hst);
|
|
} else if (key == user_settings->key_scroll_line_up) {
|
|
line_info_scroll_up(self, hst);
|
|
} else if (key == user_settings->key_scroll_line_down) {
|
|
line_info_scroll_down(self, hst);
|
|
} else if (key == user_settings->key_page_bottom) {
|
|
line_info_reset_start(self, hst);
|
|
} else {
|
|
match = false;
|
|
}
|
|
|
|
return match;
|
|
}
|
|
|
|
void line_info_clear(struct history *hst)
|
|
{
|
|
hst->line_start = hst->line_end;
|
|
hst->start_id = hst->line_start->id;
|
|
}
|