Drop EVENT_TEXTAREA, use EVENT_RESIZE instead

When returning from an external program, unblock_itrm_x in the slave process will send a resize event to the master process for the slave terminal.  In handle_interlink_event, when we receive this resize event, we can check whether we need to call textarea_edit.

src/bfu/dialog.c

@@ -460,8 +460,6 @@ dialog_func(struct window *win, struct term_event *ev)
 		case EVENT_ABORT:
 			dialog_ev_abort(dlg_data);
 			break;
-		case EVENT_TEXTAREA:
-			break;
 	}
 }
 

src/bfu/hierbox.c

@@ -281,7 +281,6 @@ hierbox_dialog_event_handler(struct dialog_data *dlg_data)
 		case EVENT_RESIZE:
 		case EVENT_REDRAW:
 		case EVENT_MOUSE:
-		case EVENT_TEXTAREA:
 			return EVENT_NOT_PROCESSED;
 
 		case EVENT_ABORT:

src/bfu/listbox.c

@@ -729,7 +729,6 @@ kbd_listbox(struct dialog_data *dlg_data, struct widget_data *widget_data)
 		case EVENT_REDRAW:
 		case EVENT_MOUSE:
 		case EVENT_ABORT:
-		case EVENT_TEXTAREA:
 			break;
 	}
 

src/bfu/menu.c

@@ -1006,8 +1006,6 @@ menu_handler(struct window *win, struct term_event *ev)
 		case EVENT_ABORT:
 			free_menu_items(menu->items);
 			break;
-		case EVENT_TEXTAREA:
-			break;
 	}
 }
 
@@ -1345,7 +1343,6 @@ mainmenu_handler(struct window *win, struct term_event *ev)
 			break;
 
 		case EVENT_ABORT:
-		case EVENT_TEXTAREA:
 			break;
 	}
 }

src/session/session.c

@@ -1283,8 +1283,6 @@ tabwin_func(struct window *tab, struct term_event *ev)
 			assert(ses->tab == get_current_tab(ses->tab->term));
 			send_event(ses, ev);
 			break;
-		case EVENT_TEXTAREA:
-			break;
 	}
 }
 

src/terminal/event.c

@@ -119,7 +119,6 @@ term_send_event(struct terminal *term, struct term_event *ev)
 	case EVENT_MOUSE:
 	case EVENT_KBD:
 	case EVENT_ABORT:
-	case EVENT_TEXTAREA:
 		assert(!list_empty(term->windows));
 		if_assert_failed break;
 
@@ -273,6 +272,13 @@ handle_interlink_event(struct terminal *term, struct interlink_event *ilev)
 				  ilev->info.size.width,
 				  ilev->info.size.height);
 		term_send_event(term, &tev);
+
+		/* If textarea_data is set and the terminal is not blocked,
+		 * then this resize event must be the result of exiting the
+		 * external editor. */
+		if (term->textarea_data && term->blocked == -1)
+			textarea_edit(1, term, NULL, NULL, NULL);
+
 		break;
 
 	case EVENT_MOUSE:
@@ -445,10 +451,6 @@ invalid_utf8_start_byte:
 	case EVENT_ABORT:
 		destroy_terminal(term);
 		return 0;
-	case EVENT_TEXTAREA:
-		if (term->textarea_data)
-			textarea_edit(1, term, NULL, NULL, NULL);
-		break;
 
 	default:
 		ERROR(gettext("Bad event %d"), ilev->ev);

src/terminal/event.h

@@ -20,7 +20,6 @@ enum term_event_type {
 	EVENT_REDRAW,
 	EVENT_RESIZE,
 	EVENT_ABORT,
-	EVENT_TEXTAREA,
 };
 
 /** An event received from a terminal.  This type can be changed

src/terminal/kbd.c

@@ -352,16 +352,12 @@ handle_trm(int std_in, int std_out, int sock_in, int sock_out, int ctl_in,
 static void
 unblock_itrm_x(void *h)
 {
-	struct interlink_event ev;
-
 	close_handle(h);
 	if (!ditrm) return;
 	unblock_itrm();
-	resize_terminal();
 
-	memset(&ev, 0, sizeof(ev));
+	/* Note: External editor support depends on this resize event. */
-	ev.ev = EVENT_TEXTAREA;
+	resize_terminal();
-	itrm_queue_event(ditrm, (char *) &ev, sizeof(ev));
 }
 
 

src/terminal/window.c

@@ -152,7 +152,6 @@ empty_window_handler(struct window *win, struct term_event *ev)
 			return;
 		case EVENT_KBD:
 		case EVENT_MOUSE:
-		case EVENT_TEXTAREA:
 			/* Silence compiler warnings */
 			break;
 	}