From 9b319d7b77056cf7e45af42090c50f4c56fb613e Mon Sep 17 00:00:00 2001
From: cy384 <cy384@cy384.com>
Date: Thu, 23 Jul 2020 19:51:33 -0400
Subject: [PATCH] add alert for failure to find thread manager

---
 ssheven-constants.r |  6 ++++++
 ssheven.c           |  5 +++++
 ssheven.r           | 24 ++++++++++++++++++++++++
 3 files changed, 35 insertions(+)

diff --git a/ssheven-constants.r b/ssheven-constants.r
index 5d639b8..1857088 100644
--- a/ssheven-constants.r
+++ b/ssheven-constants.r
@@ -26,11 +26,17 @@
  * "vanilla" supports basically nothing, which is good for us here */
 #define SSHEVEN_TERMINAL_TYPE "vanilla"
 
+/* alert for failure to find OT */
 #define ALRT_OT 128
 #define DITL_OT 129
 
+/* dialog for getting connection info */
 #define DLOG_CONNECT 128
 #define DITL_CONNECT 128
 
+/* alert for failure to find thread manager */
+#define ALRT_TM 128
+#define DITL_TM 129
+
 
 #endif
diff --git a/ssheven.c b/ssheven.c
index 45afdfd..4f3206b 100644
--- a/ssheven.c
+++ b/ssheven.c
@@ -476,6 +476,7 @@ int safety_checks(void)
 	// bit one is prescence of thread manager
 	if (err != noErr || (thread_manager_gestalt & (1 << gestaltThreadMgrPresent)) == 0)
 	{
+		StopAlert(ALRT_TM, nil);
 		print_string_i("Thread Manager not available!\n");
 		return 0;
 	}
@@ -567,6 +568,10 @@ int main(int argc, char** argv)
 
 	if (!safety_checks()) return 0;
 
+	BeginUpdate(con.win);
+	draw_screen(&(con.win->portRect));
+	EndUpdate(con.win);
+
 	if (!intro_dialog(hostname, username, password)) ok = 0;
 
 	if (ok)
diff --git a/ssheven.r b/ssheven.r
index 40d8fd7..f7b773d 100644
--- a/ssheven.r
+++ b/ssheven.r
@@ -68,6 +68,30 @@ resource 'ALRT' (ALRT_OT, purgeable) {
 	alertPositionMainScreen
 };
 
+resource 'DITL' (DITL_TM) {
+	{
+		{ 50, 260, 70, 340 },
+		Button { enabled, "Exit" };
+
+		{ 10, 70, 30, 340 },
+		StaticText { enabled, "Thread Manager required but not found!" };
+	}
+};
+
+resource 'ALRT' (ALRT_TM, purgeable) {
+	{ 50, 100, 50+80, 100+350 },
+	ALRT_TM,
+
+	/* OK means draw default border on first button */
+	{
+		OK, visible, silent,
+		OK, visible, silent,
+		OK, visible, silent,
+		OK, visible, silent
+	},
+	alertPositionMainScreen
+};
+
 #include "Processes.r"
 
 resource 'SIZE' (-1) {