* back end, all running as a GTK application. Wish me luck.
*/
+#define _GNU_SOURCE
+
#include <string.h>
#include <assert.h>
#include <stdlib.h>
+#include <string.h>
#include <stdio.h>
#include <time.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <gtk/gtk.h>
int alt_keycode;
char wintitle[sizeof(((Config *)0)->wintitle)];
char icontitle[sizeof(((Config *)0)->wintitle)];
+ int master_fd, master_func_id, exited;
+ void *ldisc;
};
static struct gui_data the_inst;
static struct gui_data *inst = &the_inst; /* so we always write `inst->' */
static int send_raw_mouse;
-void ldisc_update(int echo, int edit)
+void ldisc_update(void *frontend, int echo, int edit)
{
/*
* This is a stub in pterm. If I ever produce a Unix
printf("\n");
#endif
- ldisc_send(output+start, end-start, 1);
+ ldisc_send(inst->ldisc, output+start, end-start, 1);
show_mouseptr(0);
term_seen_key_event(term);
term_out(term);
return TRUE;
}
+void done_with_pty(struct gui_data *inst)
+{
+ extern void pty_close(void);
+
+ if (inst->master_fd >= 0) {
+ pty_close();
+ inst->master_fd = -1;
+ gtk_input_remove(inst->master_func_id);
+ }
+
+ if (!inst->exited && back->exitcode(backhandle) >= 0) {
+ int exitcode = back->exitcode(backhandle);
+ int clean;
+
+ clean = WIFEXITED(exitcode) && (WEXITSTATUS(exitcode) == 0);
+
+ /*
+ * Terminate now, if the Close On Exit setting is
+ * appropriate.
+ */
+ if (cfg.close_on_exit == COE_ALWAYS ||
+ (cfg.close_on_exit == COE_NORMAL && clean))
+ exit(0);
+
+ /*
+ * Otherwise, output an indication that the session has
+ * closed.
+ */
+ {
+ char message[512];
+ if (WIFEXITED(exitcode))
+ sprintf(message, "\r\n[pterm: process terminated with exit"
+ " code %d]\r\n", WEXITSTATUS(exitcode));
+ else if (WIFSIGNALED(exitcode))
+#ifdef HAVE_NO_STRSIGNAL
+ sprintf(message, "\r\n[pterm: process terminated on signal"
+ " %d]\r\n", WTERMSIG(exitcode));
+#else
+ sprintf(message, "\r\n[pterm: process terminated on signal"
+ " %d (%.400s)]\r\n", WTERMSIG(exitcode),
+ strsignal(WTERMSIG(exitcode)));
+#endif
+ from_backend((void *)term, 0, message, strlen(message));
+ }
+ inst->exited = 1;
+ }
+}
+
+void frontend_keypress(void *handle)
+{
+ struct gui_data *inst = (struct gui_data *)handle;
+
+ /*
+ * If our child process has exited but not closed, terminate on
+ * any keypress.
+ */
+ if (inst->exited)
+ exit(0);
+}
+
gint timer_func(gpointer data)
{
- /* struct gui_data *inst = (struct gui_data *)data; */
- extern int pty_child_is_dead(); /* declared in pty.c */
+ struct gui_data *inst = (struct gui_data *)data;
- if (pty_child_is_dead()) {
+ if (back->exitcode(backhandle) >= 0) {
/*
* The primary child process died. We could keep the
* terminal open for remaining subprocesses to output to,
* but conventional wisdom seems to feel that that's the
- * Wrong Thing for an xterm-alike, so we bail out now. This
- * would be easy enough to change or make configurable if
- * necessary.
+ * Wrong Thing for an xterm-alike, so we bail out now
+ * (though we don't necessarily _close_ the window,
+ * depending on the state of Close On Exit). This would be
+ * easy enough to change or make configurable if necessary.
*/
- exit(0);
+ done_with_pty(inst);
}
term_update(term);
void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
{
- /* struct gui_data *inst = (struct gui_data *)data; */
+ struct gui_data *inst = (struct gui_data *)data;
char buf[4096];
int ret;
* to happen. Boo.
*/
if (ret == 0 || (ret < 0 && errno == EIO)) {
- exit(0);
- }
-
- if (ret < 0) {
+ done_with_pty(inst);
+ } else if (ret < 0) {
perror("read pty master");
exit(1);
- }
- if (ret > 0)
+ } else if (ret > 0)
from_backend(term, 0, buf, ret);
term_blink(term, 1);
term_out(term);
n, r, g, b);
}
+void set_window_background(void)
+{
+ if (inst->area && inst->area->window)
+ gdk_window_set_background(inst->area->window, &inst->cols[18]);
+ if (inst->window && inst->window->window)
+ gdk_window_set_background(inst->window->window, &inst->cols[18]);
+}
+
void palette_set(int n, int r, int g, int b)
{
static const int first[21] = {
real_palette_set(first[n], r, g, b);
if (first[n] >= 18)
real_palette_set(first[n] + 1, r, g, b);
+ if (first[n] == 18)
+ set_window_background();
}
void palette_reset(void)
g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]);
}
+
+ set_window_background();
}
void write_clip(wchar_t * data, int len, int must_deselect)
if (do_cmdline(argc, argv, 1)) /* post-defaults, do everything */
exit(1);
+ /*
+ * Initialise the whole instance structure to zeroes
+ */
+ memset(inst, 0, sizeof(*inst));
+
inst->fonts[0] = gdk_font_load(cfg.font);
if (!inst->fonts[0]) {
fprintf(stderr, "pterm: unable to load font \"%s\"\n", cfg.font);
gtk_widget_show(GTK_WIDGET(inst->hbox));
gtk_widget_show(inst->window);
+ set_window_background();
+
inst->textcursor = make_mouse_ptr(GDK_XTERM);
inst->rawcursor = make_mouse_ptr(GDK_LEFT_PTR);
inst->blankcursor = make_mouse_ptr(-1);
term = term_init();
back = &pty_backend;
- back->init((void *)term, NULL, 0, NULL, 0);
+ back->init((void *)term, &backhandle, NULL, 0, NULL, 0);
+
+ term_provide_resize_fn(term, back->size, backhandle);
term_size(term, cfg.height, cfg.width, cfg.savelines);
- ldisc_send(NULL, 0, 0); /* cause ldisc to notice changes */
- gdk_input_add(pty_master_fd, GDK_INPUT_READ, pty_input_func, inst);
+ inst->ldisc = ldisc_create(term, back, backhandle, inst);
+ ldisc_send(inst->ldisc, NULL, 0, 0);/* cause ldisc to notice changes */
+
+ inst->master_fd = pty_master_fd;
+ inst->exited = FALSE;
+ inst->master_func_id = gdk_input_add(pty_master_fd, GDK_INPUT_READ,
+ pty_input_func, inst);
gtk_main();