+/*
+ * Functions necessary to display a deck of slides in different color modes
+ * using ncurses. Only white, red, and blue are supported, as they can be
+ * faded in 256 color mode.
+ * Copyright (C) 2014 Michael Goehler
+ *
+ * This file is part of mpd.
+ *
+ * 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 3 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <locale.h> // setlocale
#include <ncurses.h>
#include <stdlib.h>
+#include <string.h> // strchr
#include <unistd.h>
-#include "include/parser.h"
#include "include/viewer.h"
static short white_ramp[24] = { 16, 232, 233, 234, 235, 236,
slide = slide->next;
}
+ // set locale to display UTF-8 correctly in ncurses
+ setlocale(LC_CTYPE, "");
+
// replace stdin with current tty if markdown input was piped
freopen("/dev/tty", "rw", stdin);
}
// setup footer
+ //TODO display slide number in footer
if(bar_bottom) {
line = deck->header->next;
offset = next_blank(line->text, 0) + 1;
void add_line(WINDOW *window, int y, int x, line_t *line, int max_cols) {
int i = 0; // increment
+ char *c; // char pointer for iteration
+ char *special = "\\*_"; // list of interpreted chars
+ cstack_t *stack = cstack_init();
if(line->text->text) {
int offset = 0; // text offset
y, x,
"%s", &line->text->text[offset]);
- // IS_QUOTE
- } else if(CHECK_BIT(line->bits, IS_QUOTE)) {
- //TODO replace greater sign with color block
-
- //FIXME remove dummy print code
- mvwprintw(window,
- y, x,
- "%s", &line->text->text[offset]);
-
} else {
- // IF_H1 || IF_H2
+ // IS_H1 || IS_H2
if(CHECK_BIT(line->bits, IS_H1) || CHECK_BIT(line->bits, IS_H2)) {
// set headline color
wattroff(window, A_UNDERLINE);
} else {
- //TODO for each char in line
- //TODO if *|_ highlight (maybe use a stack here?)
- mvwprintw(window,
- y, x,
- "%s", &line->text->text[offset]);
+ // move the cursor in position
+ wmove(window, y, x);
+
+ // IS_QUOTE
+ if(CHECK_BIT(line->bits, IS_QUOTE)) {
+ // print a reverse color block
+ wattron(window, A_REVERSE);
+ wprintw(window, "%s", " ");
+ wattroff(window, A_REVERSE);
+ wprintw(window, "%s", " ");
+ offset += 2;
+ }
+
+ // for each char in line
+ c = &line->text->text[offset];
+ while(*c) {
+
+ // if char is in special char list
+ if(strchr(special, *c)) {
+
+ // closing special char (or second backslash)
+ if((stack->top)(stack, *c)) {
+
+ switch(*c) {
+ // print escaped backslash
+ case '\\':
+ wprintw(window, "%c", *c);
+ break;
+ // disable highlight
+ case '*':
+ wattron(window, COLOR_PAIR(CP_WHITE));
+ break;
+ // disable underline
+ case '_':
+ wattroff(window, A_UNDERLINE);
+ break;
+ }
+
+ // remove top special char from stack
+ (stack->pop)(stack);
+
+ // treat special as regular char
+ } else if((stack->top)(stack, '\\')) {
+ wprintw(window, "%c", *c);
+
+ // remove backslash from stack
+ (stack->pop)(stack);
+
+ // opening special char
+ } else {
+ switch(*c) {
+ // enable highlight
+ case '*':
+ wattron(window, COLOR_PAIR(CP_RED));
+ break;
+ // enable underline
+ case '_':
+ wattron(window, A_UNDERLINE);
+ break;
+ // do nothing for backslashes
+ }
+
+ // push special char to stack
+ (stack->push)(stack, *c);
+ }
+
+ } else {
+ // print regular char
+ wprintw(window, "%c", *c);
+ }
+
+ c++;
+ }
+
+ // pop stack until empty to prevent formated trailing spaces
+ while(!(stack->empty)(stack)) {
+ switch((stack->pop)(stack)) {
+ case '\\':
+ wprintw(window, "%c", '\\');
+ break;
+ // disable highlight
+ case '*':
+ wattron(window, COLOR_PAIR(CP_WHITE));
+ break;
+ // disable underline
+ case '_':
+ wattroff(window, A_UNDERLINE);
+ break;
+ }
+ }
}
}
wattroff(window, A_UNDERLINE);
wattroff(window, A_REVERSE);
}
+
+ (stack->delete)(stack);
}
void fade_out(WINDOW *window, int trans, int colors) {
