Remove term.c in favor of more curses APIs

Makefile

@@ -8,7 +8,6 @@ LDLIBS = -lcurses -lcrypto -ltls
 OBJS += chat.o
 OBJS += handle.o
 OBJS += irc.o
-OBJS += term.o
 OBJS += ui.o
 
 dev: tags all

chat.h

@@ -118,21 +118,6 @@ void uiFormat(
 	size_t id, enum Heat heat, const struct tm *time, const char *format, ...
 ) __attribute__((format(printf, 4, 5)));
 
-enum TermMode {
-	TermFocus,
-	TermPaste,
-};
-enum TermEvent {
-	TermNone,
-	TermFocusIn,
-	TermFocusOut,
-	TermPasteStart,
-	TermPasteEnd,
-};
-void termNoFlow(void);
-void termMode(enum TermMode mode, bool set);
-enum TermEvent termEvent(char ch);
-
 static inline enum Color hash(const char *str) {
 	if (*str == '~') str++;
 	uint32_t hash = 0;

term.c

@@ -1,66 +0,0 @@
-/* Copyright (C) 2018, 2020  C. McEnroe <june@causal.agency>
- *
- * 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 <https://www.gnu.org/licenses/>.
- */
-
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <termios.h>
-#include <unistd.h>
-
-#include "chat.h"
-
-void termNoFlow(void) {
-	struct termios attr;
-	int error = tcgetattr(STDIN_FILENO, &attr);
-	if (error) return;
-	attr.c_iflag &= ~IXON;
-	attr.c_cc[VDISCARD] = _POSIX_VDISABLE;
-	tcsetattr(STDIN_FILENO, TCSANOW, &attr);
-}
-
-static void privateMode(const char *mode, bool set) {
-	printf("\33[?%s%c", mode, (set ? 'h' : 'l'));
-	fflush(stdout);
-}
-
-void termMode(enum TermMode mode, bool set) {
-	switch (mode) {
-		break; case TermFocus: privateMode("1004", set);
-		break; case TermPaste: privateMode("2004", set);
-	}
-}
-
-enum { Esc = '\33' };
-
-enum TermEvent termEvent(char ch) {
-	static int st;
-#define T(st, ch) ((st) << 8 | (ch))
-	switch (T(st, ch)) {
-		break; case T(0, Esc): st = 1;
-		break; case T(1, '['): st = 2;
-		break; case T(2, 'I'): st = 0; return TermFocusIn;
-		break; case T(2, 'O'): st = 0; return TermFocusOut;
-		break; case T(2, '2'): st = 3;
-		break; case T(3, '0'): st = 4;
-		break; case T(4, '0'): st = 5;
-		break; case T(5, '~'): st = 0; return TermPasteStart;
-		break; case T(4, '1'): st = 6;
-		break; case T(6, '~'): st = 0; return TermPasteEnd;
-		break; default: st = 0;
-	}
-	return 0;
-#undef T
-}

ui.c

@@ -25,7 +25,9 @@
 #include <string.h>
 #include <sysexits.h>
 #include <term.h>
+#include <termios.h>
 #include <time.h>
+#include <unistd.h>
 #include <wchar.h>
 #include <wctype.h>
 
@@ -125,6 +127,23 @@ static struct Window *windowFor(size_t id) {
 	return window;
 }
 
+enum {
+	KeyFocusIn = KEY_MAX + 1,
+	KeyFocusOut,
+	KeyPasteOn,
+	KeyPasteOff,
+};
+
+static void disableFlowControl(void) {
+	struct termios term;
+	int error = tcgetattr(STDOUT_FILENO, &term);
+	if (error) err(EX_OSERR, "tcgetattr");
+	term.c_iflag &= ~IXON;
+	term.c_cc[VDISCARD] = _POSIX_VDISABLE;
+	error = tcsetattr(STDOUT_FILENO, TCSADRAIN, &term);
+	if (error) err(EX_OSERR, "tcsetattr");
+}
+
 static void errExit(int eval) {
 	(void)eval;
 	reset_shell_mode();
@@ -134,15 +153,20 @@ void uiInit(void) {
 	initscr();
 	cbreak();
 	noecho();
-	termNoFlow();
+	disableFlowControl();
 	def_prog_mode();
 	err_set_exit(errExit);
-	colorInit();
+
 	if (!to_status_line && !strncmp(termname(), "xterm", 5)) {
 		to_status_line = "\33]2;";
 		from_status_line = "\7";
 	}
+	define_key("\33[I", KeyFocusIn);
+	define_key("\33[O", KeyFocusOut);
+	define_key("\33[200~", KeyPasteOn);
+	define_key("\33[201~", KeyPasteOff);
 
+	colorInit();
 	status = newwin(1, COLS, 0, 0);
 	input = newpad(1, InputCols);
 	keypad(input, true);