Factor out window management to window.c

master
June McEnroe 2022-02-19 18:28:45 -05:00
parent 70f627bc47
commit 3359a5d69b
8 changed files with 827 additions and 673 deletions

View File

@ -24,6 +24,7 @@ OBJS += irc.o
OBJS += log.o
OBJS += ui.o
OBJS += url.o
OBJS += window.o
OBJS += xdg.o
TESTS += edit.t

View File

@ -1,5 +1,5 @@
.\" To view this file, run: man ./README.7
.Dd February 12, 2022
.Dd February 19, 2022
.Dt README 7
.Os "Causal Agency"
.
@ -181,6 +181,8 @@ startup and event loop
IRC connection and parsing
.It Pa ui.c
curses interface
.It Pa window.c
window management
.It Pa handle.c
IRC message handling
.It Pa command.c

8
chat.c
View File

@ -293,8 +293,8 @@ int main(int argc, char *argv[]) {
break; case 'R': self.restricted = true;
break; case 'S': bind = optarg;
break; case 'T': {
uiTime.enable = true;
if (optarg) uiTime.format = optarg;
windowTime.enable = true;
if (optarg) windowTime.format = optarg;
}
break; case 'a': sasl = true; parsePlain(optarg);
break; case 'c': cert = optarg;
@ -309,7 +309,7 @@ int main(int argc, char *argv[]) {
break; case 'n': nick = optarg;
break; case 'o': printCert = true;
break; case 'p': port = optarg;
break; case 'q': uiThreshold = Warm;
break; case 'q': windowThreshold = Warm;
break; case 'r': real = optarg;
break; case 's': save = optarg;
break; case 't': trust = optarg;
@ -381,7 +381,7 @@ int main(int argc, char *argv[]) {
uiLoad(save);
atexit(exitSave);
}
uiShowID(Network);
windowShow(windowFor(Network));
uiFormat(
Network, Cold, NULL,
"\3%dcatgirl\3\tis GPLv3 fwee softwawe ^w^ "

74
chat.h
View File

@ -293,26 +293,34 @@ const char *commandIsAction(uint id, const char *input);
size_t commandWillSplit(uint id, const char *input);
void commandCompleteAdd(void);
enum Heat { Ice, Cold, Warm, Hot };
enum { TimeCap = 64 };
extern enum Heat uiThreshold;
extern struct Time {
bool enable;
const char *format;
int width;
} uiTime;
enum Heat {
Ice,
Cold,
Warm,
Hot,
};
enum {
TitleCap = 256,
StatusLines = 1,
MarkerLines = 1,
SplitLines = 5,
InputLines = 1,
InputCols = 1024,
};
extern char uiTitle[TitleCap];
extern struct _win_st *uiStatus;
extern struct _win_st *uiMain;
extern struct Util uiNotifyUtil;
void uiInitEarly(void);
void uiInitLate(void);
uint uiAttr(struct Style style);
short uiPair(struct Style style);
void uiUpdate(void);
void uiShow(void);
void uiHide(void);
void uiWait(void);
void uiDraw(void);
void uiWindows(void);
void uiShowID(uint id);
void uiShowNum(uint num);
void uiMoveID(uint id, uint num);
void uiCloseID(uint id);
void uiCloseNum(uint id);
void uiRead(void);
void uiWrite(uint id, enum Heat heat, const time_t *time, const char *str);
void uiFormat(
@ -321,6 +329,44 @@ void uiFormat(
void uiLoad(const char *name);
int uiSave(void);
enum Scroll {
ScrollOne,
ScrollPage,
ScrollAll,
ScrollUnread,
ScrollHot,
};
extern struct Time {
bool enable;
const char *format;
int width;
} windowTime;
extern enum Heat windowThreshold;
void windowInit(void);
void windowUpdate(void);
void windowResize(void);
bool windowWrite(uint id, enum Heat heat, const time_t *time, const char *str);
void windowBare(void);
uint windowID(void);
uint windowNum(void);
uint windowFor(uint id);
void windowShow(uint num);
void windowAuto(void);
void windowSwap(void);
void windowMove(uint from, uint to);
void windowClose(uint num);
void windowList(void);
void windowMark(void);
void windowUnmark(void);
void windowToggleMute(void);
void windowToggleTime(void);
void windowToggleThresh(int n);
bool windowTimeEnable(void);
void windowScroll(enum Scroll by, int n);
void windowSearch(const char *str, int dir);
int windowSave(FILE *file);
void windowLoad(FILE *file, size_t version);
enum { BufferCap = 1024 };
struct Buffer;
struct Line {

View File

@ -144,7 +144,7 @@ static void commandMsg(uint id, char *params) {
if (params) {
splitMessage("PRIVMSG", msg, params);
} else {
uiShowID(msg);
windowShow(windowFor(msg));
}
}
@ -376,25 +376,25 @@ static void commandQuery(uint id, char *params) {
if (idColors[query] == Default) {
idColors[query] = completeColor(id, params);
}
uiShowID(query);
windowShow(windowFor(query));
}
static void commandWindow(uint id, char *params) {
if (!params) {
uiWindows();
windowList();
} else if (isdigit(params[0])) {
uiShowNum(strtoul(params, NULL, 10));
windowShow(strtoul(params, NULL, 10));
} else {
id = idFind(params);
if (id) {
uiShowID(id);
windowShow(windowFor(id));
return;
}
for (const char *match; (match = completeSubstr(None, params));) {
id = idFind(match);
if (!id) continue;
completeAccept();
uiShowID(id);
windowShow(windowFor(id));
break;
}
}
@ -405,20 +405,20 @@ static void commandMove(uint id, char *params) {
char *name = strsep(&params, " ");
if (params) {
id = idFind(name);
if (id) uiMoveID(id, strtoul(params, NULL, 10));
if (id) windowMove(windowFor(id), strtoul(params, NULL, 10));
} else {
uiMoveID(id, strtoul(name, NULL, 10));
windowMove(windowFor(id), strtoul(name, NULL, 10));
}
}
static void commandClose(uint id, char *params) {
if (!params) {
uiCloseID(id);
windowClose(windowFor(id));
} else if (isdigit(params[0])) {
uiCloseNum(strtoul(params, NULL, 10));
windowClose(strtoul(params, NULL, 10));
} else {
id = idFind(params);
if (id) uiCloseID(id);
if (id) windowClose(windowFor(id));
}
}

View File

@ -343,7 +343,7 @@ static void handleJoin(struct Message *msg) {
idColors[id] = hash(msg->params[0]);
completeTouch(None, msg->params[0], idColors[id]);
if (replies[ReplyJoin]) {
uiShowID(id);
windowShow(windowFor(id));
replies[ReplyJoin]--;
}
}

733
ui.c
View File

@ -33,15 +33,15 @@
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <inttypes.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <sys/file.h>
#include <sysexits.h>
#include <term.h>
#include <termios.h>
#include <time.h>
@ -60,102 +60,14 @@
#undef lines
#undef tab
enum {
StatusLines = 1,
MarkerLines = 1,
SplitLines = 5,
InputLines = 1,
InputCols = 1024,
};
#define BOTTOM (LINES - 1)
#define RIGHT (COLS - 1)
#define MAIN_LINES (LINES - StatusLines - InputLines)
static WINDOW *status;
static WINDOW *main;
WINDOW *uiStatus;
WINDOW *uiMain;
static WINDOW *input;
struct Window {
uint id;
int scroll;
bool mark;
bool mute;
bool time;
enum Heat thresh;
enum Heat heat;
uint unreadSoft;
uint unreadHard;
uint unreadWarm;
struct Buffer *buffer;
};
static struct {
struct Window *ptrs[IDCap];
uint len;
uint show;
uint swap;
uint user;
} windows;
static uint windowPush(struct Window *window) {
assert(windows.len < IDCap);
windows.ptrs[windows.len] = window;
return windows.len++;
}
static uint windowInsert(uint num, struct Window *window) {
assert(windows.len < IDCap);
assert(num <= windows.len);
memmove(
&windows.ptrs[num + 1],
&windows.ptrs[num],
sizeof(*windows.ptrs) * (windows.len - num)
);
windows.ptrs[num] = window;
windows.len++;
return num;
}
static struct Window *windowRemove(uint num) {
assert(num < windows.len);
struct Window *window = windows.ptrs[num];
windows.len--;
memmove(
&windows.ptrs[num],
&windows.ptrs[num + 1],
sizeof(*windows.ptrs) * (windows.len - num)
);
return window;
}
enum Heat uiThreshold = Cold;
static uint windowFor(uint id) {
for (uint num = 0; num < windows.len; ++num) {
if (windows.ptrs[num]->id == id) return num;
}
struct Window *window = calloc(1, sizeof(*window));
if (!window) err(EX_OSERR, "malloc");
window->id = id;
window->mark = true;
window->time = uiTime.enable;
if (id == Network || id == Debug) {
window->thresh = Cold;
} else {
window->thresh = uiThreshold;
}
window->buffer = bufferAlloc();
completeAdd(None, idNames[id], idColors[id]);
return windowPush(window);
}
static void windowFree(struct Window *window) {
completeRemove(None, idNames[window->id]);
bufferFree(window->buffer);
free(window);
}
static short colorPairs;
static void colorInit(void) {
@ -240,8 +152,6 @@ enum {
static const char *FocusMode[2] = { "\33[?1004l", "\33[?1004h" };
static const char *PasteMode[2] = { "\33[?2004l", "\33[?2004h" };
struct Time uiTime = { .format = "%X" };
static void errExit(void) {
putp(FocusMode[false]);
putp(PasteMode[false]);
@ -271,30 +181,18 @@ void uiInitEarly(void) {
ENUM_KEY
#undef X
status = newwin(StatusLines, COLS, 0, 0);
if (!status) err(EX_OSERR, "newwin");
uiStatus = newwin(StatusLines, COLS, 0, 0);
if (!uiStatus) err(EX_OSERR, "newwin");
main = newwin(MAIN_LINES, COLS, StatusLines, 0);
if (!main) err(EX_OSERR, "newwin");
int y;
char fmt[TimeCap];
char buf[TimeCap];
styleStrip(fmt, sizeof(fmt), uiTime.format);
struct tm *time = localtime(&(time_t) { -22100400 });
size_t len = strftime(buf, sizeof(buf), fmt, time);
if (!len) errx(EX_CONFIG, "invalid timestamp format: %s", fmt);
waddstr(main, buf);
waddch(main, ' ');
getyx(main, y, uiTime.width);
(void)y;
uiMain = newwin(MAIN_LINES, COLS, StatusLines, 0);
if (!uiMain) err(EX_OSERR, "newwin");
input = newpad(InputLines, InputCols);
if (!input) err(EX_OSERR, "newpad");
keypad(input, true);
nodelay(input, true);
windowFor(Network);
windowInit();
uiShow();
}
@ -323,13 +221,13 @@ void uiInitLate(void) {
static bool hidden = true;
static bool waiting;
static char title[256];
static char prevTitle[sizeof(title)];
char uiTitle[TitleCap];
static char prevTitle[TitleCap];
void uiDraw(void) {
if (hidden) return;
wnoutrefresh(status);
wnoutrefresh(main);
wnoutrefresh(uiStatus);
wnoutrefresh(uiMain);
int y, x;
getyx(input, y, x);
pnoutrefresh(
@ -342,10 +240,10 @@ void uiDraw(void) {
doupdate();
if (!to_status_line) return;
if (!strcmp(title, prevTitle)) return;
strcpy(prevTitle, title);
if (!strcmp(uiTitle, prevTitle)) return;
strcpy(prevTitle, uiTitle);
putp(to_status_line);
putp(title);
putp(uiTitle);
putp(from_status_line);
fflush(stdout);
}
@ -377,7 +275,7 @@ static const short Colors[ColorCap] = {
16, 233, 235, 237, 239, 241, 244, 247, 250, 254, 231,
};
static attr_t styleAttr(struct Style style) {
uint uiAttr(struct Style style) {
attr_t attr = A_NORMAL;
if (style.attr & Bold) attr |= A_BOLD;
if (style.attr & Reverse) attr |= A_REVERSE;
@ -388,96 +286,13 @@ static attr_t styleAttr(struct Style style) {
static bool spoilerReveal;
static short stylePair(struct Style style) {
short uiPair(struct Style style) {
if (spoilerReveal && style.fg == style.bg) {
return colorPair(Colors[Default], Colors[style.bg]);
}
return colorPair(Colors[style.fg], Colors[style.bg]);
}
static int styleAdd(WINDOW *win, struct Style init, const char *str) {
struct Style style = init;
while (*str) {
size_t len = styleParse(&style, &str);
wattr_set(win, styleAttr(style), stylePair(style), NULL);
if (waddnstr(win, str, len) == ERR)
return -1;
str += len;
}
return 0;
}
static void statusUpdate(void) {
struct {
uint unread;
enum Heat heat;
} others = { 0, Cold };
wmove(status, 0, 0);
for (uint num = 0; num < windows.len; ++num) {
const struct Window *window = windows.ptrs[num];
if (num != windows.show && !window->scroll) {
if (window->heat < Warm) continue;
if (window->mute && window->heat < Hot) continue;
}
if (num != windows.show) {
others.unread += window->unreadWarm;
if (window->heat > others.heat) others.heat = window->heat;
}
char buf[256], *end = &buf[sizeof(buf)];
char *ptr = seprintf(
buf, end, "\3%d%s %u%s%s %s ",
idColors[window->id], (num == windows.show ? "\26" : ""),
num, window->thresh[(const char *[]) { "-", "", "+", "++" }],
&"="[!window->mute], idNames[window->id]
);
if (window->mark && window->unreadWarm) {
ptr = seprintf(
ptr, end, "\3%d+%d\3%d%s",
(window->heat > Warm ? White : idColors[window->id]),
window->unreadWarm, idColors[window->id],
(window->scroll ? "" : " ")
);
}
if (window->scroll) {
ptr = seprintf(ptr, end, "~%d ", window->scroll);
}
if (styleAdd(status, StyleDefault, buf) < 0) break;
}
wclrtoeol(status);
const struct Window *window = windows.ptrs[windows.show];
char *end = &title[sizeof(title)];
char *ptr = seprintf(
title, end, "%s %s", network.name, idNames[window->id]
);
if (window->mark && window->unreadWarm) {
ptr = seprintf(
ptr, end, " +%d%s", window->unreadWarm, &"!"[window->heat < Hot]
);
}
if (others.unread) {
ptr = seprintf(
ptr, end, " (+%d%s)", others.unread, &"!"[others.heat < Hot]
);
}
}
static void mark(struct Window *window) {
if (window->scroll) return;
window->mark = true;
window->unreadSoft = 0;
window->unreadWarm = 0;
}
static void unmark(struct Window *window) {
if (!window->scroll) {
window->mark = false;
window->heat = Cold;
}
statusUpdate();
}
void uiShow(void) {
if (!hidden) return;
prevTitle[0] = '\0';
@ -485,86 +300,20 @@ void uiShow(void) {
putp(PasteMode[true]);
fflush(stdout);
hidden = false;
unmark(windows.ptrs[windows.show]);
windowUnmark();
}
void uiHide(void) {
if (hidden) return;
mark(windows.ptrs[windows.show]);
windowMark();
hidden = true;
putp(FocusMode[false]);
putp(PasteMode[false]);
endwin();
}
static size_t windowTop(const struct Window *window) {
size_t top = BufferCap - MAIN_LINES - window->scroll;
if (window->scroll) top += MarkerLines;
return top;
}
static size_t windowBottom(const struct Window *window) {
size_t bottom = BufferCap - (window->scroll ?: 1);
if (window->scroll) bottom -= SplitLines + MarkerLines;
return bottom;
}
static int windowCols(const struct Window *window) {
return COLS - (window->time ? uiTime.width : 0);
}
static void mainAdd(int y, bool time, const struct Line *line) {
int ny, nx;
wmove(main, y, 0);
if (!line || !line->str[0]) {
wclrtoeol(main);
return;
}
if (time && line->time) {
char buf[TimeCap];
strftime(buf, sizeof(buf), uiTime.format, localtime(&line->time));
struct Style init = { .fg = Gray, .bg = Default };
styleAdd(main, init, buf);
waddch(main, ' ');
} else if (time) {
whline(main, ' ', uiTime.width);
wmove(main, y, uiTime.width);
}
styleAdd(main, StyleDefault, line->str);
getyx(main, ny, nx);
if (ny != y) return;
wclrtoeol(main);
(void)nx;
}
static void mainUpdate(void) {
struct Window *window = windows.ptrs[windows.show];
int y = 0;
int marker = MAIN_LINES - SplitLines - MarkerLines;
for (size_t i = windowTop(window); i < BufferCap; ++i) {
mainAdd(y++, window->time, bufferHard(window->buffer, i));
if (window->scroll && y == marker) break;
}
if (!window->scroll) return;
y = MAIN_LINES - SplitLines;
for (size_t i = BufferCap - SplitLines; i < BufferCap; ++i) {
mainAdd(y++, window->time, bufferHard(window->buffer, i));
}
wattr_set(main, A_NORMAL, 0, NULL);
mvwhline(main, marker, 0, ACS_BULLET, COLS);
}
static void windowScroll(struct Window *window, int n) {
mark(window);
window->scroll += n;
if (window->scroll > BufferCap - MAIN_LINES) {
window->scroll = BufferCap - MAIN_LINES;
}
if (window->scroll < 0) window->scroll = 0;
unmark(window);
if (window == windows.ptrs[windows.show]) mainUpdate();
void uiWait(void) {
waiting = true;
}
struct Util uiNotifyUtil;
@ -593,36 +342,8 @@ static void notify(uint id, const char *str) {
}
void uiWrite(uint id, enum Heat heat, const time_t *src, const char *str) {
struct Window *window = windows.ptrs[windowFor(id)];
time_t ts = (src ? *src : time(NULL));
if (heat >= window->thresh) {
if (!window->unreadSoft++) window->unreadHard = 0;
}
if (window->mark && heat > Cold) {
if (!window->unreadWarm++) {
int lines = bufferPush(
window->buffer, windowCols(window),
window->thresh, Warm, ts, ""
);
if (window->scroll) windowScroll(window, lines);
if (window->unreadSoft > 1) {
window->unreadSoft++;
window->unreadHard += lines;
}
}
if (heat > window->heat) window->heat = heat;
statusUpdate();
}
int lines = bufferPush(
window->buffer, windowCols(window),
window->thresh, heat, ts, str
);
window->unreadHard += lines;
if (window->scroll) windowScroll(window, lines);
if (window == windows.ptrs[windows.show]) mainUpdate();
if (window->mark && heat > Warm) {
bool note = windowWrite(id, heat, src, str);
if (note) {
beep();
notify(id, str);
}
@ -640,78 +361,10 @@ void uiFormat(
uiWrite(id, heat, time, buf);
}
static void scrollTo(struct Window *window, int top) {
window->scroll = 0;
windowScroll(window, top - MAIN_LINES + MarkerLines);
}
static void windowReflow(struct Window *window) {
uint num = 0;
const struct Line *line = bufferHard(window->buffer, windowTop(window));
if (line) num = line->num;
window->unreadHard = bufferReflow(
window->buffer, windowCols(window),
window->thresh, window->unreadSoft
);
if (!window->scroll || !num) return;
for (size_t i = 0; i < BufferCap; ++i) {
line = bufferHard(window->buffer, i);
if (!line || line->num != num) continue;
scrollTo(window, BufferCap - i);
break;
}
}
static void resize(void) {
wclear(main);
wresize(main, MAIN_LINES, COLS);
for (uint num = 0; num < windows.len; ++num) {
windowReflow(windows.ptrs[num]);
}
statusUpdate();
mainUpdate();
}
static void windowList(const struct Window *window) {
uiHide();
waiting = true;
uint num = 0;
const struct Line *line = bufferHard(window->buffer, windowBottom(window));
if (line) num = line->num;
for (size_t i = 0; i < BufferCap; ++i) {
line = bufferSoft(window->buffer, i);
if (!line) continue;
if (line->num > num) break;
if (!line->str[0]) {
printf("\n");
continue;
}
char buf[TimeCap];
strftime(buf, sizeof(buf), uiTime.format, localtime(&line->time));
vid_attr(colorAttr(Colors[Gray]), colorPair(Colors[Gray], -1), NULL);
printf("%s ", buf);
bool align = false;
struct Style style = StyleDefault;
for (const char *str = line->str; *str;) {
if (*str == '\t') {
printf("%c", (align ? '\t' : ' '));
align = true;
str++;
}
size_t len = styleParse(&style, &str);
size_t tab = strcspn(str, "\t");
if (tab < len) len = tab;
vid_attr(styleAttr(style), stylePair(style), NULL);
printf("%.*s", (int)len, str);
str += len;
}
printf("\n");
}
wclear(uiMain);
wresize(uiMain, MAIN_LINES, COLS);
windowResize();
}
static void inputAdd(struct Style reset, struct Style *style, const char *str) {
@ -736,7 +389,7 @@ static void inputAdd(struct Style reset, struct Style *style, const char *str) {
}
size_t nl = strcspn(str, "\n");
if (nl < len) len = nl;
wattr_set(input, styleAttr(*style), stylePair(*style), NULL);
wattr_set(input, uiAttr(*style), uiPair(*style), NULL);
waddnstr(input, str, len);
str += len;
}
@ -755,9 +408,9 @@ static char *inputStop(
static struct Edit edit;
static void inputUpdate(void) {
void uiUpdate(void) {
char *buf = editString(&edit);
struct Window *window = windows.ptrs[windows.show];
uint id = windowID();
const char *prefix = "";
const char *prompt = self.nick;
@ -766,10 +419,10 @@ static void inputUpdate(void) {
struct Style stylePrompt = { .fg = self.color, .bg = Default };
struct Style styleInput = StyleDefault;
size_t split = commandWillSplit(window->id, buf);
const char *privmsg = commandIsPrivmsg(window->id, buf);
const char *notice = commandIsNotice(window->id, buf);
const char *action = commandIsAction(window->id, buf);
size_t split = commandWillSplit(id, buf);
const char *privmsg = commandIsPrivmsg(id, buf);
const char *notice = commandIsNotice(id, buf);
const char *action = commandIsAction(id, buf);
if (privmsg) {
prefix = "<"; suffix = "> ";
skip = privmsg;
@ -782,7 +435,7 @@ static void inputUpdate(void) {
stylePrompt.attr |= Italic;
styleInput.attr |= Italic;
skip = action;
} else if (window->id == Debug && buf[0] != '/') {
} else if (id == Debug && buf[0] != '/') {
prompt = "<< ";
stylePrompt.fg = Gray;
} else {
@ -795,11 +448,11 @@ static void inputUpdate(void) {
int y, x;
wmove(input, 0, 0);
if (window->time && window->id != Network) {
whline(input, ' ', uiTime.width);
wmove(input, 0, uiTime.width);
if (windowTimeEnable() && id != Network) {
whline(input, ' ', windowTime.width);
wmove(input, 0, windowTime.width);
}
wattr_set(input, styleAttr(stylePrompt), stylePair(stylePrompt), NULL);
wattr_set(input, uiAttr(stylePrompt), uiPair(stylePrompt), NULL);
waddstr(input, prefix);
waddstr(input, prompt);
waddstr(input, suffix);
@ -823,209 +476,61 @@ static void inputUpdate(void) {
wmove(input, y, pos);
}
void uiWindows(void) {
for (uint num = 0; num < windows.len; ++num) {
const struct Window *window = windows.ptrs[num];
uiFormat(
Network, Warm, NULL, "\3%02d%u %s",
idColors[window->id], num, idNames[window->id]
);
}
}
static void windowShow(uint num) {
if (num != windows.show) {
windows.swap = windows.show;
mark(windows.ptrs[windows.swap]);
}
windows.show = num;
windows.user = num;
unmark(windows.ptrs[windows.show]);
mainUpdate();
inputUpdate();
}
void uiShowID(uint id) {
windowShow(windowFor(id));
}
void uiShowNum(uint num) {
if (num < windows.len) windowShow(num);
}
void uiMoveID(uint id, uint num) {
struct Window *window = windowRemove(windowFor(id));
if (num < windows.len) {
windowShow(windowInsert(num, window));
} else {
windowShow(windowPush(window));
}
}
static void windowClose(uint num) {
if (windows.ptrs[num]->id == Network) return;
struct Window *window = windowRemove(num);
completeClear(window->id);
windowFree(window);
if (windows.swap >= num) windows.swap--;
if (windows.show == num) {
windowShow(windows.swap);
windows.swap = windows.show;
} else if (windows.show > num) {
windows.show--;
mainUpdate();
}
statusUpdate();
}
void uiCloseID(uint id) {
windowClose(windowFor(id));
}
void uiCloseNum(uint num) {
if (num < windows.len) windowClose(num);
}
static void scrollPage(struct Window *window, int n) {
windowScroll(window, n * (MAIN_LINES - SplitLines - MarkerLines - 1));
}
static void scrollTop(struct Window *window) {
for (size_t i = 0; i < BufferCap; ++i) {
if (!bufferHard(window->buffer, i)) continue;
scrollTo(window, BufferCap - i);
break;
}
}
static void scrollHot(struct Window *window, int dir) {
for (size_t i = windowTop(window) + dir; i < BufferCap; i += dir) {
const struct Line *line = bufferHard(window->buffer, i);
const struct Line *prev = bufferHard(window->buffer, i - 1);
if (!line || line->heat < Hot) continue;
if (prev && prev->heat > Warm) continue;
scrollTo(window, BufferCap - i);
break;
}
}
static void scrollSearch(struct Window *window, const char *str, int dir) {
for (size_t i = windowTop(window) + dir; i < BufferCap; i += dir) {
const struct Line *line = bufferHard(window->buffer, i);
if (!line || !strcasestr(line->str, str)) continue;
scrollTo(window, BufferCap - i);
break;
}
}
static void toggleTime(struct Window *window) {
window->time ^= true;
windowReflow(window);
statusUpdate();
mainUpdate();
inputUpdate();
}
static void incThresh(struct Window *window, int n) {
if (n > 0 && window->thresh == Hot) return;
if (n < 0 && window->thresh == Ice) {
window->thresh = Cold;
} else {
window->thresh += n;
}
windowReflow(window);
statusUpdate();
mainUpdate();
statusUpdate();
}
static void showAuto(void) {
uint minHot = UINT_MAX, numHot = 0;
uint minWarm = UINT_MAX, numWarm = 0;
for (uint num = 0; num < windows.len; ++num) {
struct Window *window = windows.ptrs[num];
if (window->heat >= Hot) {
if (window->unreadWarm >= minHot) continue;
minHot = window->unreadWarm;
numHot = num;
}
if (window->heat >= Warm && !window->mute) {
if (window->unreadWarm >= minWarm) continue;
minWarm = window->unreadWarm;
numWarm = num;
}
}
uint user = windows.user;
if (minHot < UINT_MAX) {
windowShow(numHot);
windows.user = user;
} else if (minWarm < UINT_MAX) {
windowShow(numWarm);
windows.user = user;
} else if (user != windows.show) {
windowShow(user);
}
}
static void inputEnter(uint id) {
command(id, editString(&edit));
static void inputEnter(void) {
command(windowID(), editString(&edit));
editFn(&edit, EditClear);
}
static void keyCode(int code) {
struct Window *window = windows.ptrs[windows.show];
uint id = window->id;
switch (code) {
break; case KEY_RESIZE: resize();
break; case KeyFocusIn: unmark(window);
break; case KeyFocusOut: mark(window);
break; case KeyFocusIn: windowUnmark();
break; case KeyFocusOut: windowMark();
break; case KeyMetaEnter: editInsert(&edit, L'\n');
break; case KeyMetaEqual: window->mute ^= true; statusUpdate();
break; case KeyMetaMinus: incThresh(window, -1);
break; case KeyMetaPlus: incThresh(window, +1);
break; case KeyMetaSlash: windowShow(windows.swap);
break; case KeyMetaEqual: windowToggleMute();
break; case KeyMetaMinus: windowToggleThresh(-1);
break; case KeyMetaPlus: windowToggleThresh(+1);
break; case KeyMetaSlash: windowSwap();
break; case KeyMetaGt: scrollTo(window, 0);
break; case KeyMetaLt: scrollTop(window);
break; case KeyMetaGt: windowScroll(ScrollAll, -1);
break; case KeyMetaLt: windowScroll(ScrollAll, +1);
break; case KeyMeta0 ... KeyMeta9: uiShowNum(code - KeyMeta0);
break; case KeyMetaA: showAuto();
break; case KeyMeta0 ... KeyMeta9: windowShow(code - KeyMeta0);
break; case KeyMetaA: windowAuto();
break; case KeyMetaB: editFn(&edit, EditPrevWord);
break; case KeyMetaD: editFn(&edit, EditDeleteNextWord);
break; case KeyMetaF: editFn(&edit, EditNextWord);
break; case KeyMetaL: windowList(window);
break; case KeyMetaM: uiWrite(id, Warm, NULL, "");
break; case KeyMetaN: scrollHot(window, +1);
break; case KeyMetaP: scrollHot(window, -1);
break; case KeyMetaL: windowBare();
break; case KeyMetaM: uiWrite(windowID(), Warm, NULL, "");
break; case KeyMetaN: windowScroll(ScrollHot, +1);
break; case KeyMetaP: windowScroll(ScrollHot, -1);
break; case KeyMetaQ: editFn(&edit, EditCollapse);
break; case KeyMetaS: spoilerReveal ^= true; mainUpdate();
break; case KeyMetaT: toggleTime(window);
break; case KeyMetaU: scrollTo(window, window->unreadHard);
break; case KeyMetaV: scrollPage(window, +1);
break; case KeyMetaS: spoilerReveal ^= true; windowUpdate();
break; case KeyMetaT: windowToggleTime();
break; case KeyMetaU: windowScroll(ScrollUnread, 0);
break; case KeyMetaV: windowScroll(ScrollPage, +1);
break; case KeyCtrlLeft: editFn(&edit, EditPrevWord);
break; case KeyCtrlRight: editFn(&edit, EditNextWord);
break; case KEY_BACKSPACE: editFn(&edit, EditDeletePrev);
break; case KEY_DC: editFn(&edit, EditDeleteNext);
break; case KEY_DOWN: windowScroll(window, -1);
break; case KEY_DOWN: windowScroll(ScrollOne, -1);
break; case KEY_END: editFn(&edit, EditTail);
break; case KEY_ENTER: inputEnter(id);
break; case KEY_ENTER: inputEnter();
break; case KEY_HOME: editFn(&edit, EditHead);
break; case KEY_LEFT: editFn(&edit, EditPrev);
break; case KEY_NPAGE: scrollPage(window, -1);
break; case KEY_PPAGE: scrollPage(window, +1);
break; case KEY_NPAGE: windowScroll(ScrollPage, -1);
break; case KEY_PPAGE: windowScroll(ScrollPage, +1);
break; case KEY_RIGHT: editFn(&edit, EditNext);
break; case KEY_SEND: scrollTo(window, 0);
break; case KEY_SHOME: scrollTo(window, BufferCap);
break; case KEY_UP: windowScroll(window, +1);
break; case KEY_SEND: windowScroll(ScrollAll, -1);
break; case KEY_SHOME: windowScroll(ScrollAll, +1);
break; case KEY_UP: windowScroll(ScrollOne, +1);
}
}
static void keyCtrl(wchar_t ch) {
struct Window *window = windows.ptrs[windows.show];
uint id = window->id;
switch (ch ^ L'@') {
break; case L'?': editFn(&edit, EditDeletePrev);
break; case L'A': editFn(&edit, EditHead);
@ -1035,16 +540,16 @@ static void keyCtrl(wchar_t ch) {
break; case L'E': editFn(&edit, EditTail);
break; case L'F': editFn(&edit, EditNext);
break; case L'H': editFn(&edit, EditDeletePrev);
break; case L'J': inputEnter(id);
break; case L'J': inputEnter();
break; case L'K': editFn(&edit, EditDeleteTail);
break; case L'L': clearok(curscr, true);
break; case L'N': uiShowNum(windows.show + 1);
break; case L'P': uiShowNum(windows.show - 1);
break; case L'R': scrollSearch(window, editString(&edit), -1);
break; case L'S': scrollSearch(window, editString(&edit), +1);
break; case L'N': windowShow(windowNum() + 1);
break; case L'P': windowShow(windowNum() - 1);
break; case L'R': windowSearch(editString(&edit), -1);
break; case L'S': windowSearch(editString(&edit), +1);
break; case L'T': editFn(&edit, EditTranspose);
break; case L'U': editFn(&edit, EditDeleteHead);
break; case L'V': scrollPage(window, -1);
break; case L'V': windowScroll(ScrollPage, -1);
break; case L'W': editFn(&edit, EditDeletePrevWord);
break; case L'Y': editFn(&edit, EditPaste);
}
@ -1127,13 +632,15 @@ void uiRead(void) {
literal = false;
if (spr) {
spoilerReveal = false;
mainUpdate();
windowUpdate();
}
}
inputUpdate();
uiUpdate();
}
static const time_t Signatures[] = {
static FILE *saveFile;
static const uint64_t Signatures[] = {
0x6C72696774616301, // no heat, unread, unreadWarm
0x6C72696774616302, // no self.pos
0x6C72696774616303, // no buffer line heat
@ -1144,68 +651,33 @@ static const time_t Signatures[] = {
0x6C72696774616308,
};
static size_t signatureVersion(time_t signature) {
static size_t signatureVersion(uint64_t signature) {
for (size_t i = 0; i < ARRAY_LEN(Signatures); ++i) {
if (signature == Signatures[i]) return i;
}
errx(EX_DATAERR, "unknown file signature %jX", (uintmax_t)signature);
errx(EX_DATAERR, "unknown file signature %" PRIX64, signature);
}
static int writeTime(FILE *file, time_t time) {
return (fwrite(&time, sizeof(time), 1, file) ? 0 : -1);
static int writeUint64(FILE *file, uint64_t u) {
return (fwrite(&u, sizeof(u), 1, file) ? 0 : -1);
}
static int writeString(FILE *file, const char *str) {
return (fwrite(str, strlen(str) + 1, 1, file) ? 0 : -1);
}
static FILE *saveFile;
int uiSave(void) {
int error = 0
|| ftruncate(fileno(saveFile), 0)
|| writeTime(saveFile, Signatures[7])
|| writeTime(saveFile, self.pos);
if (error) return error;
for (uint num = 0; num < windows.len; ++num) {
const struct Window *window = windows.ptrs[num];
error = 0
|| writeString(saveFile, idNames[window->id])
|| writeTime(saveFile, window->mute)
|| writeTime(saveFile, window->time)
|| writeTime(saveFile, window->thresh)
|| writeTime(saveFile, window->heat)
|| writeTime(saveFile, window->unreadSoft)
|| writeTime(saveFile, window->unreadWarm);
if (error) return error;
for (size_t i = 0; i < BufferCap; ++i) {
const struct Line *line = bufferSoft(window->buffer, i);
if (!line) continue;
error = 0
|| writeTime(saveFile, line->time)
|| writeTime(saveFile, line->heat)
|| writeString(saveFile, line->str);
if (error) return error;
}
error = writeTime(saveFile, 0);
if (error) return error;
}
return 0
|| writeString(saveFile, "")
|| ftruncate(fileno(saveFile), 0)
|| writeUint64(saveFile, Signatures[7])
|| writeUint64(saveFile, self.pos)
|| windowSave(saveFile)
|| urlSave(saveFile)
|| fclose(saveFile);
}
static time_t readTime(FILE *file) {
time_t time;
fread(&time, sizeof(time), 1, file);
static uint64_t readUint64(FILE *file) {
uint64_t u;
fread(&u, sizeof(u), 1, file);
if (ferror(file)) err(EX_IOERR, "fread");
if (feof(file)) errx(EX_DATAERR, "unexpected eof");
return time;
}
static ssize_t readString(FILE *file, char **buf, size_t *cap) {
ssize_t len = getdelim(buf, cap, '\0', file);
if (len < 0 && !feof(file)) err(EX_IOERR, "getdelim");
return len;
return u;
}
void uiLoad(const char *name) {
@ -1235,31 +707,8 @@ void uiLoad(const char *name) {
size_t version = signatureVersion(signature);
if (version > 1) {
self.pos = readTime(saveFile);
}
char *buf = NULL;
size_t cap = 0;
while (0 < readString(saveFile, &buf, &cap) && buf[0]) {
struct Window *window = windows.ptrs[windowFor(idFor(buf))];
if (version > 3) window->mute = readTime(saveFile);
if (version > 6) window->time = readTime(saveFile);
if (version > 5) window->thresh = readTime(saveFile);
if (version > 0) {
window->heat = readTime(saveFile);
window->unreadSoft = readTime(saveFile);
window->unreadWarm = readTime(saveFile);
}
for (;;) {
time_t time = readTime(saveFile);
if (!time) break;
enum Heat heat = (version > 2 ? readTime(saveFile) : Cold);
readString(saveFile, &buf, &cap);
bufferPush(window->buffer, COLS, window->thresh, heat, time, buf);
}
windowReflow(window);
self.pos = readUint64(saveFile);
}
windowLoad(saveFile, version);
urlLoad(saveFile, version);
free(buf);
}

656
window.c 100644
View File

@ -0,0 +1,656 @@
/* Copyright (C) 2020 June 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/>.
*
* Additional permission under GNU GPL version 3 section 7:
*
* If you modify this Program, or any covered work, by linking or
* combining it with OpenSSL (or a modified version of that library),
* containing parts covered by the terms of the OpenSSL License and the
* original SSLeay license, the licensors of this Program grant you
* additional permission to convey the resulting work. Corresponding
* Source for a non-source form of such a combination shall include the
* source code for the parts of OpenSSL used as well as that of the
* covered work.
*/
#define _XOPEN_SOURCE_EXTENDED
#include <assert.h>
#include <curses.h>
#include <err.h>
#include <limits.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <time.h>
#include "chat.h"
#define MAIN_LINES (LINES - StatusLines - InputLines)
static struct Window {
uint id;
int scroll;
bool mark;
bool mute;
bool time;
enum Heat thresh;
enum Heat heat;
uint unreadSoft;
uint unreadHard;
uint unreadWarm;
struct Buffer *buffer;
} *windows[IDCap];
static uint count;
static uint show;
static uint swap;
static uint user;
static uint windowPush(struct Window *window) {
assert(count < IDCap);
windows[count] = window;
return count++;
}
static uint windowInsert(uint num, struct Window *window) {
assert(count < IDCap);
assert(num <= count);
memmove(
&windows[num + 1],
&windows[num],
sizeof(*windows) * (count - num)
);
windows[num] = window;
count++;
return num;
}
static struct Window *windowRemove(uint num) {
assert(num < count);
struct Window *window = windows[num];
count--;
memmove(
&windows[num],
&windows[num + 1],
sizeof(*windows) * (count - num)
);
return window;
}
static void windowFree(struct Window *window) {
completeRemove(None, idNames[window->id]);
bufferFree(window->buffer);
free(window);
}
enum Heat windowThreshold = Cold;
struct Time windowTime = { .format = "%X" };
uint windowFor(uint id) {
for (uint num = 0; num < count; ++num) {
if (windows[num]->id == id) return num;
}
struct Window *window = calloc(1, sizeof(*window));
if (!window) err(EX_OSERR, "malloc");
window->id = id;
window->mark = true;
window->time = windowTime.enable;
if (id == Network || id == Debug) {
window->thresh = Cold;
} else {
window->thresh = windowThreshold;
}
window->buffer = bufferAlloc();
completeAdd(None, idNames[id], idColors[id]);
return windowPush(window);
}
enum { TimeCap = 64 };
void windowInit(void) {
char fmt[TimeCap];
char buf[TimeCap];
styleStrip(fmt, sizeof(fmt), windowTime.format);
struct tm *time = localtime(&(time_t) { -22100400 });
size_t len = strftime(buf, sizeof(buf), fmt, time);
if (!len) errx(EX_CONFIG, "invalid timestamp format: %s", fmt);
int y;
waddstr(uiMain, buf);
waddch(uiMain, ' ');
getyx(uiMain, y, windowTime.width);
(void)y;
windowFor(Network);
}
static int styleAdd(WINDOW *win, struct Style init, const char *str) {
struct Style style = init;
while (*str) {
size_t len = styleParse(&style, &str);
wattr_set(win, uiAttr(style), uiPair(style), NULL);
if (waddnstr(win, str, len) == ERR)
return -1;
str += len;
}
return 0;
}
static void statusUpdate(void) {
struct {
uint unread;
enum Heat heat;
} others = { 0, Cold };
wmove(uiStatus, 0, 0);
for (uint num = 0; num < count; ++num) {
const struct Window *window = windows[num];
if (num != show && !window->scroll) {
if (window->heat < Warm) continue;
if (window->mute && window->heat < Hot) continue;
}
if (num != show) {
others.unread += window->unreadWarm;
if (window->heat > others.heat) others.heat = window->heat;
}
char buf[256], *end = &buf[sizeof(buf)];
char *ptr = seprintf(
buf, end, "\3%d%s %u%s%s %s ",
idColors[window->id], (num == show ? "\26" : ""),
num, window->thresh[(const char *[]) { "-", "", "+", "++" }],
&"="[!window->mute], idNames[window->id]
);
if (window->mark && window->unreadWarm) {
ptr = seprintf(
ptr, end, "\3%d+%d\3%d%s",
(window->heat > Warm ? White : idColors[window->id]),
window->unreadWarm, idColors[window->id],
(window->scroll ? "" : " ")
);
}
if (window->scroll) {
ptr = seprintf(ptr, end, "~%d ", window->scroll);
}
if (styleAdd(uiStatus, StyleDefault, buf) < 0) break;
}
wclrtoeol(uiStatus);
const struct Window *window = windows[show];
char *end = &uiTitle[sizeof(uiTitle)];
char *ptr = seprintf(
uiTitle, end, "%s %s", network.name, idNames[window->id]
);
if (window->mark && window->unreadWarm) {
ptr = seprintf(
ptr, end, " +%d%s", window->unreadWarm, &"!"[window->heat < Hot]
);
}
if (others.unread) {
ptr = seprintf(
ptr, end, " (+%d%s)", others.unread, &"!"[others.heat < Hot]
);
}
}
static size_t windowTop(const struct Window *window) {
size_t top = BufferCap - MAIN_LINES - window->scroll;
if (window->scroll) top += MarkerLines;
return top;
}
static size_t windowBottom(const struct Window *window) {
size_t bottom = BufferCap - (window->scroll ?: 1);
if (window->scroll) bottom -= SplitLines + MarkerLines;
return bottom;
}
static void mainAdd(int y, bool time, const struct Line *line) {
int ny, nx;
wmove(uiMain, y, 0);
if (!line || !line->str[0]) {
wclrtoeol(uiMain);
return;
}
if (time && line->time) {
char buf[TimeCap];
strftime(buf, sizeof(buf), windowTime.format, localtime(&line->time));
struct Style init = { .fg = Gray, .bg = Default };
styleAdd(uiMain, init, buf);
waddch(uiMain, ' ');
} else if (time) {
whline(uiMain, ' ', windowTime.width);
wmove(uiMain, y, windowTime.width);
}
styleAdd(uiMain, StyleDefault, line->str);
getyx(uiMain, ny, nx);
if (ny != y) return;
wclrtoeol(uiMain);
(void)nx;
}
static void mainUpdate(void) {
const struct Window *window = windows[show];
int y = 0;
int marker = MAIN_LINES - SplitLines - MarkerLines;
for (size_t i = windowTop(window); i < BufferCap; ++i) {
mainAdd(y++, window->time, bufferHard(window->buffer, i));
if (window->scroll && y == marker) break;
}
if (!window->scroll) return;
y = MAIN_LINES - SplitLines;
for (size_t i = BufferCap - SplitLines; i < BufferCap; ++i) {
mainAdd(y++, window->time, bufferHard(window->buffer, i));
}
wattr_set(uiMain, A_NORMAL, 0, NULL);
mvwhline(uiMain, marker, 0, ACS_BULLET, COLS);
}
void windowUpdate(void) {
statusUpdate();
mainUpdate();
}
void windowBare(void) {
uiHide();
uiWait();
const struct Window *window = windows[show];
const struct Line *line = bufferHard(window->buffer, windowBottom(window));
uint num = 0;
if (line) num = line->num;
for (size_t i = 0; i < BufferCap; ++i) {
line = bufferSoft(window->buffer, i);
if (!line) continue;
if (line->num > num) break;
if (!line->str[0]) {
printf("\n");
continue;
}
char buf[TimeCap];
struct Style style = { .fg = Gray, .bg = Default };
strftime(buf, sizeof(buf), windowTime.format, localtime(&line->time));
vid_attr(uiAttr(style), uiPair(style), NULL);
printf("%s ", buf);
bool align = false;
style = StyleDefault;
for (const char *str = line->str; *str;) {
if (*str == '\t') {
printf("%c", (align ? '\t' : ' '));
align = true;
str++;
}
size_t len = styleParse(&style, &str);
size_t tab = strcspn(str, "\t");
if (tab < len) len = tab;
vid_attr(uiAttr(style), uiPair(style), NULL);
printf("%.*s", (int)len, str);
str += len;
}
printf("\n");
}
}
static void mark(struct Window *window) {
if (window->scroll) return;
window->mark = true;
window->unreadSoft = 0;
window->unreadWarm = 0;
}
static void unmark(struct Window *window) {
if (!window->scroll) {
window->mark = false;
window->heat = Cold;
}
statusUpdate();
}
static void scrollN(struct Window *window, int n) {
mark(window);
window->scroll += n;
if (window->scroll > BufferCap - MAIN_LINES) {
window->scroll = BufferCap - MAIN_LINES;
}
if (window->scroll < 0) window->scroll = 0;
unmark(window);
if (window == windows[show]) mainUpdate();
}
static void scrollTo(struct Window *window, int top) {
window->scroll = 0;
scrollN(window, top - MAIN_LINES + MarkerLines);
}
static int windowCols(const struct Window *window) {
return COLS - (window->time ? windowTime.width : 0);
}
bool windowWrite(uint id, enum Heat heat, const time_t *src, const char *str) {
struct Window *window = windows[windowFor(id)];
time_t ts = (src ? *src : time(NULL));
if (heat >= window->thresh) {
if (!window->unreadSoft++) window->unreadHard = 0;
}
if (window->mark && heat > Cold) {
if (!window->unreadWarm++) {
int lines = bufferPush(
window->buffer, windowCols(window),
window->thresh, Warm, ts, ""
);
if (window->scroll) scrollN(window, lines);
if (window->unreadSoft > 1) {
window->unreadSoft++;
window->unreadHard += lines;
}
}
if (heat > window->heat) window->heat = heat;
statusUpdate();
}
int lines = bufferPush(
window->buffer, windowCols(window),
window->thresh, heat, ts, str
);
window->unreadHard += lines;
if (window->scroll) scrollN(window, lines);
if (window == windows[show]) mainUpdate();
return window->mark && heat > Warm;
}
static void reflow(struct Window *window) {
uint num = 0;
const struct Line *line = bufferHard(window->buffer, windowTop(window));
if (line) num = line->num;
window->unreadHard = bufferReflow(
window->buffer, windowCols(window),
window->thresh, window->unreadSoft
);
if (!window->scroll || !num) return;
for (size_t i = 0; i < BufferCap; ++i) {
line = bufferHard(window->buffer, i);
if (!line || line->num != num) continue;
scrollTo(window, BufferCap - i);
break;
}
}
void windowResize(void) {
for (uint num = 0; num < count; ++num) {
reflow(windows[num]);
}
windowUpdate();
}
uint windowID(void) {
return windows[show]->id;
}
uint windowNum(void) {
return show;
}
void windowShow(uint num) {
if (num >= count) return;
if (num != show) {
swap = show;
mark(windows[swap]);
}
show = num;
user = num;
unmark(windows[show]);
mainUpdate();
uiUpdate();
}
void windowAuto(void) {
uint minHot = UINT_MAX, numHot = 0;
uint minWarm = UINT_MAX, numWarm = 0;
for (uint num = 0; num < count; ++num) {
struct Window *window = windows[num];
if (window->heat >= Hot) {
if (window->unreadWarm >= minHot) continue;
minHot = window->unreadWarm;
numHot = num;
}
if (window->heat >= Warm && !window->mute) {
if (window->unreadWarm >= minWarm) continue;
minWarm = window->unreadWarm;
numWarm = num;
}
}
uint oldUser = user;
if (minHot < UINT_MAX) {
windowShow(numHot);
user = oldUser;
} else if (minWarm < UINT_MAX) {
windowShow(numWarm);
user = oldUser;
} else if (user != show) {
windowShow(user);
}
}
void windowSwap(void) {
windowShow(swap);
}
void windowMove(uint from, uint to) {
if (from >= count) return;
struct Window *window = windowRemove(from);
if (to < count) {
windowShow(windowInsert(to, window));
} else {
windowShow(windowPush(window));
}
}
void windowClose(uint num) {
if (num >= count) return;
if (windows[num]->id == Network) return;
struct Window *window = windowRemove(num);
completeClear(window->id);
windowFree(window);
if (swap >= num) swap--;
if (show == num) {
windowShow(swap);
swap = show;
} else if (show > num) {
show--;
mainUpdate();
}
statusUpdate();
}
void windowList(void) {
for (uint num = 0; num < count; ++num) {
const struct Window *window = windows[num];
uiFormat(
Network, Warm, NULL, "\3%02d%u %s",
idColors[window->id], num, idNames[window->id]
);
}
}
void windowMark(void) {
mark(windows[show]);
}
void windowUnmark(void) {
unmark(windows[show]);
}
void windowToggleMute(void) {
windows[show]->mute ^= true;
statusUpdate();
}
void windowToggleTime(void) {
windows[show]->time ^= true;
reflow(windows[show]);
windowUpdate();
uiUpdate();
}
void windowToggleThresh(int n) {
struct Window *window = windows[show];
if (n > 0 && window->thresh == Hot) return;
if (n < 0 && window->thresh == Ice) {
window->thresh = Cold;
} else {
window->thresh += n;
}
reflow(window);
windowUpdate();
}
bool windowTimeEnable(void) {
return windows[show]->time;
}
void windowScroll(enum Scroll by, int n) {
struct Window *window = windows[show];
switch (by) {
break; case ScrollOne: {
scrollN(window, n);
}
break; case ScrollPage: {
scrollN(window, n * (MAIN_LINES - SplitLines - MarkerLines - 1));
}
break; case ScrollAll: {
if (n < 0) {
scrollTo(window, 0);
break;
}
for (size_t i = 0; i < BufferCap; ++i) {
if (!bufferHard(window->buffer, i)) continue;
scrollTo(window, BufferCap - i);
break;
}
}
break; case ScrollUnread: {
scrollTo(window, window->unreadHard);
}
break; case ScrollHot: {
for (size_t i = windowTop(window) + n; i < BufferCap; i += n) {
const struct Line *line = bufferHard(window->buffer, i);
const struct Line *prev = bufferHard(window->buffer, i - 1);
if (!line || line->heat < Hot) continue;
if (prev && prev->heat > Warm) continue;
scrollTo(window, BufferCap - i);
break;
}
}
}
}
void windowSearch(const char *str, int dir) {
struct Window *window = windows[show];
for (size_t i = windowTop(window) + dir; i < BufferCap; i += dir) {
const struct Line *line = bufferHard(window->buffer, i);
if (!line || !strcasestr(line->str, str)) continue;
scrollTo(window, BufferCap - i);
break;
}
}
static int writeTime(FILE *file, time_t time) {
return (fwrite(&time, sizeof(time), 1, file) ? 0 : -1);
}
static int writeString(FILE *file, const char *str) {
return (fwrite(str, strlen(str) + 1, 1, file) ? 0 : -1);
}
int windowSave(FILE *file) {
int error;
for (uint num = 0; num < count; ++num) {
const struct Window *window = windows[num];
error = 0
|| writeString(file, idNames[window->id])
|| writeTime(file, window->mute)
|| writeTime(file, window->time)
|| writeTime(file, window->thresh)
|| writeTime(file, window->heat)
|| writeTime(file, window->unreadSoft)
|| writeTime(file, window->unreadWarm);
if (error) return error;
for (size_t i = 0; i < BufferCap; ++i) {
const struct Line *line = bufferSoft(window->buffer, i);
if (!line) continue;
error = 0
|| writeTime(file, line->time)
|| writeTime(file, line->heat)
|| writeString(file, line->str);
if (error) return error;
}
error = writeTime(file, 0);
if (error) return error;
}
return writeString(file, "");
}
static time_t readTime(FILE *file) {
time_t time;
fread(&time, sizeof(time), 1, file);
if (ferror(file)) err(EX_IOERR, "fread");
if (feof(file)) errx(EX_DATAERR, "unexpected eof");
return time;
}
static ssize_t readString(FILE *file, char **buf, size_t *cap) {
ssize_t len = getdelim(buf, cap, '\0', file);
if (len < 0 && !feof(file)) err(EX_IOERR, "getdelim");
return len;
}
void windowLoad(FILE *file, size_t version) {
size_t cap = 0;
char *buf = NULL;
while (0 < readString(file, &buf, &cap) && buf[0]) {
struct Window *window = windows[windowFor(idFor(buf))];
if (version > 3) window->mute = readTime(file);
if (version > 6) window->time = readTime(file);
if (version > 5) window->thresh = readTime(file);
if (version > 0) {
window->heat = readTime(file);
window->unreadSoft = readTime(file);
window->unreadWarm = readTime(file);
}
for (;;) {
time_t time = readTime(file);
if (!time) break;
enum Heat heat = (version > 2 ? readTime(file) : Cold);
readString(file, &buf, &cap);
bufferPush(window->buffer, COLS, window->thresh, heat, time, buf);
}
reflow(window);
}
free(buf);
}