+++ /dev/null
-#define _XOPEN_SOURCE 700
-#include <stdc.h>
-#include <unistd.h>
-#ifdef __MACH__
- #include <util.h>
-#else
- #include <pty.h>
-#endif
-#include <poll.h>
-#include <termios.h>
-
-void usage(void) {
- fprintf(stderr, "usage: pty COMMAND ...\n");
- exit(EXIT_FAILURE);
-}
-
-int pty_spawn(char** argv) {
- int fd;
- struct termios tio;
- pid_t pid;
- putenv("TERM=dumb");
- switch ( (pid = forkpty(&fd, NULL, NULL, NULL)) ) {
- case -1: // Failed
- die("forkpty() :");
- break;
-
- case 0: // Child Process
- if (execvp(argv[0], argv) < 0)
- die("execvp('%s', ...) :", argv[0]);
- exit(EXIT_FAILURE);
- break;
-
- default: // Parent Process
- tcgetattr(fd, &tio);
- tio.c_lflag &= ~(ECHO | ECHONL);
- tio.c_cc[ VMIN ] = 1;
- tio.c_cc[ VTIME ] = 0;
- tcsetattr(fd, TCSANOW, &tio);
- break;
- }
- return fd;
-}
-
-int pty_input(int ptyfd, char* buf, size_t bufsz) {
- long n;
- if ((n = read(STDIN_FILENO, buf, bufsz)) < 0)
- die("read() stdin :");
- if (n == 0)
- return 1;
- if ((n = write(ptyfd, buf, n)) < 0)
- die("write() subprocess :");
- return 0;
-}
-
-int pty_output(int ptyfd, char* buf, size_t bufsz) {
- long n;
- if ((n = read(ptyfd, buf, bufsz)) < 0) {
- if (errno == EIO)
- return 1;
- else
- die("read() subprocess :");
- }
- if ((n = write(STDOUT_FILENO, buf, n)) < 0)
- die("write() stdout :");
- return 0;
-}
-
-int main(int argc, char** argv) {
- if (argc == 1) usage();
-
- /* allocate the buffer, spawn the pty, and setup the polling structures */
- static char buf[4096];
- int done = 0, ptyfd = pty_spawn(++argv);
- struct pollfd pfds[2] = {
- { .fd = STDIN_FILENO, .events = POLLIN },
- { .fd = ptyfd, .events = POLLIN },
- };
-
- /* enter the event loop */
- while (!done) {
- /* clear previous events and poll for new ones */
- pfds[0].revents = pfds[1].revents = 0;
- if (poll(pfds,2,-1) < 0)
- die("poll() :");
-
- /* shutdown if there's an error or the pipes are closed */
- if ((pfds[0].revents | pfds[1].revents) & (POLLERR|POLLHUP))
- done = 1;
-
- /* pass stdin to the subprocess */
- if (pfds[0].revents & POLLIN)
- done = pty_input(ptyfd, buf, sizeof(buf));
-
- /* pass subprocess output to stdout */
- if (pfds[1].revents & POLLIN)
- done = pty_output(ptyfd, buf, sizeof(buf));
- }
- close(ptyfd);
-
- return 0;
-}
+++ /dev/null
-#define _XOPEN_SOURCE 700
-#include <stdc.h>
-#include <unistd.h>
-#ifdef __MACH__
- #include <util.h>
-#else
- #include <pty.h>
-#endif
-#include <poll.h>
-#include <termios.h>
-#include <sys/select.h>
-#include <sys/types.h>
-#include <x11.h>
-#include <utf.h>
-#include <edit.h>
-#include <ctype.h>
-#include <win.h>
-#include <shortcuts.h>
-
-int CmdFD = -1;
-char* ShellCmd[] = { NULL, NULL };
-static int SearchDir = DOWN;
-static char* SearchTerm = NULL;
-
-bool fdready(int fd);
-
-/* unused functions */
-void onfocus(bool focused) {}
-void onerror(char* msg) {}
-
-void onscroll(double percent) {
- size_t bend = buf_end(win_buf(EDIT));
- size_t off = (size_t)((double)bend * percent);
- view_scrollto(win_view(EDIT), (off >= bend ? bend : off));
-}
-
-void onlayout(void) {
- /* calculate and update scroll region */
- View* view = win_view(EDIT);
- size_t bend = buf_end(win_buf(EDIT));
- if (bend == 0) bend = 1;
- if (!view->rows) return;
- size_t vbeg = view->rows[0]->off;
- size_t vend = view->rows[view->nrows-1]->off + view->rows[view->nrows-1]->rlen;
- double scroll_vis = (double)(vend - vbeg) / (double)bend;
- double scroll_off = ((double)vbeg / (double)bend);
- win_setscroll(scroll_off, scroll_vis);
-}
-
-void onupdate(void) {
- long n = 0, r = 0, i = 0;
- static char buf[8192];
- if (!fdready(CmdFD)) return;
- if ((n = read(CmdFD, buf, sizeof(buf))) < 0)
- die("read() subprocess :");
- while (i < n) {
- Rune rune = 0;
- size_t length = 0;
- while (!utf8decode(&rune, &length, buf[i++]));
- view_insert(win_view(EDIT), false, rune);
- }
- win_buf(EDIT)->outpoint = win_view(EDIT)->selection.end;
-}
-
-void onshutdown(void) {
- x11_deinit();
-}
-
-void onmouseleft(WinRegion id, bool pressed, size_t row, size_t col) {
- static int count = 0;
- static uint64_t before = 0;
- if (!pressed) return;
- uint64_t now = getmillis();
- count = ((now-before) <= config_get_int(DblClickTime) ? count+1 : 1);
- before = now;
-
- if (count == 1) {
- if (x11_keymodsset(ModShift))
- view_selext(win_view(id), row, col);
- else
- view_setcursor(win_view(id), row, col);
- } else if (count == 2) {
- view_select(win_view(id), row, col);
- } else if (count == 3) {
- view_selword(win_view(id), row, col);
- }
-}
-
-void onmousemiddle(WinRegion id, bool pressed, size_t row, size_t col) {
- if (pressed) return;
- if (win_btnpressed(MouseLeft)) {
- cut();
- } else {
- char* str = view_fetch(win_view(id), row, col);
- //if (str) exec(str);
- free(str);
- }
-}
-
-void onmouseright(WinRegion id, bool pressed, size_t row, size_t col) {
- if (pressed) return;
- if (win_btnpressed(MouseLeft)) {
- paste();
- } else {
- SearchDir *= (x11_keymodsset(ModShift) ? -1 : +1);
- free(SearchTerm);
- SearchTerm = view_fetch(win_view(id), row, col);
- if (view_findstr(win_view(EDIT), SearchDir, SearchTerm)) {
- win_setregion(EDIT);
- win_warpptr(EDIT);
- }
- }
-}
-
-static void oninput(Rune rune) {
- view_insert(win_view(FOCUSED), false, rune);
- if (win_getregion() == EDIT) {
- size_t point = win_buf(EDIT)->outpoint;
- size_t pos = win_view(EDIT)->selection.end;
- if (rune == '\n' && pos > point) {
- Sel range = { .beg = point, .end = pos };
- char* str = view_getstr(win_view(EDIT), &range);
- write(CmdFD, str, strlen(str)-1);
- free(str);
- }
- }
-}
-
-bool update_needed(void) {
- return fdready(CmdFD);
-}
-
-/******************************************************************************/
-
-bool fdready(int fd) {
- fd_set fds;
- FD_ZERO(&fds);
- FD_SET(fd, &fds);
- struct timeval tv = { .tv_usec = 0 };
- return (select(fd+1, &fds, NULL, NULL, &tv) > 0);
-}
-
-int pty_spawn(char** argv) {
- int fd;
- struct termios tio;
- pid_t pid;
- putenv("TERM=dumb");
- switch ( (pid = forkpty(&fd, NULL, NULL, NULL)) ) {
- case -1: // Failed
- die("forkpty() :");
- break;
-
- case 0: // Child Process
- if (execvp(argv[0], argv) < 0)
- die("execvp('%s', ...) :", argv[0]);
- exit(EXIT_FAILURE);
- break;
-
- default: // Parent Process
- tcgetattr(fd, &tio);
- tio.c_lflag &= ~(ECHO | ECHONL);
- tio.c_cc[ VMIN ] = 1;
- tio.c_cc[ VTIME ] = 0;
- tcsetattr(fd, TCSANOW, &tio);
- break;
- }
- return fd;
-}
-
-/******************************************************************************/
-
-static void quit(void) {
- x11_deinit();
-}
-
-static KeyBinding Bindings[] = {
- /* Cursor Movements */
- { ModAny, KEY_HOME, cursor_home },
- { ModAny, KEY_END, cursor_end },
- { ModAny, KEY_UP, cursor_up },
- { ModAny, KEY_DOWN, cursor_dn },
- { ModAny, KEY_LEFT, cursor_left },
- { ModAny, KEY_RIGHT, cursor_right },
- { ModCtrl, ';', cursor_warp },
-
- /* Standard Unix Shortcuts */
- { ModCtrl, 'u', del_to_bol },
- { ModCtrl, 'k', del_to_eol },
- { ModCtrl, 'w', del_to_bow },
- { ModCtrl, 'a', cursor_bol },
- { ModCtrl, 'e', cursor_eol },
-
- /* Standard Text Editing Shortcuts */
-// { ModCtrl, 's', save },
- { ModCtrl, 'z', undo },
- { ModCtrl, 'y', redo },
- { ModCtrl, 'x', cut },
- { ModCtrl, 'c', copy },
- { ModCtrl, 'v', paste },
- { ModCtrl, 'j', join_lines },
- { ModCtrl, 'l', select_line },
- { ModCtrl|ModShift, 'a', select_all },
-
- /* Common Special Keys */
- { ModNone, KEY_PGUP, page_up },
- { ModNone, KEY_PGDN, page_dn },
- { ModAny, KEY_DELETE, delete },
- { ModAny, KEY_BACKSPACE, backspace },
-
- /* Implementation Specific */
- { ModNone, KEY_ESCAPE, select_prev },
- { ModCtrl, 't', change_focus },
- { ModCtrl, 'q', quit },
-// { ModCtrl, 'h', highlight },
-// { ModOneOrMore, 'f', search },
-// { ModCtrl, 'd', execute },
-// { ModCtrl, 'n', new_win },
- { 0, 0, 0 }
-};
-
-
-#ifndef TEST
-int main(int argc, char** argv) {
- if (!ShellCmd[0]) ShellCmd[0] = getenv("SHELL");
- if (!ShellCmd[0]) ShellCmd[0] = "/bin/sh";
- CmdFD = pty_spawn(argc > 1 ? argv+1 : ShellCmd);
- win_window("term", onerror);
- win_setkeys(Bindings, oninput);
- win_buf(EDIT)->crlf = 1;
- config_set_int(TabWidth, 8);
- win_loop();
- return 0;
-}
-#endif
projects / projs / tide.git / commitdiff