From 8fd09cd9ecfad9801217e1b75325656f95117af1 Mon Sep 17 00:00:00 2001
From: Robert Bittle <guywithnose@gmail.com>
Date: Wed, 7 Sep 2016 15:18:33 -0400
Subject: [PATCH] Add an option to disable client window resizes

This goes great with tmux when you are sharing your terminal for
presentations and you don't want to give viewers the ability to resize
your terminal
---
 app/app.go            |  4 ++++
 app/client_context.go | 14 ++++++++++++--
 main.go               |  2 ++
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/app/app.go b/app/app.go
index a7f8aa7..9246c4d 100644
--- a/app/app.go
+++ b/app/app.go
@@ -70,6 +70,8 @@ type Options struct {
 	CloseSignal         int                    `hcl:"close_signal"`
 	Preferences         HtermPrefernces        `hcl:"preferences"`
 	RawPreferences      map[string]interface{} `hcl:"preferences"`
+	Width               int                    `hcl:"width"`
+	Height              int                    `hcl:"height"`
 }
 
 var Version = "0.0.13"
@@ -95,6 +97,8 @@ var DefaultOptions = Options{
 	Once:                false,
 	CloseSignal:         1, // syscall.SIGHUP
 	Preferences:         HtermPrefernces{},
+	Width:               0,
+	Height:              0,
 }
 
 func New(command []string, options *Options) (*App, error) {
diff --git a/app/client_context.go b/app/client_context.go
index 3a3b27a..3662ac2 100644
--- a/app/client_context.go
+++ b/app/client_context.go
@@ -197,14 +197,24 @@ func (context *clientContext) processReceive() {
 				return
 			}
 
+			rows := uint16(context.app.options.Height)
+			if rows == 0 {
+				rows = uint16(args.Rows)
+			}
+
+			columns := uint16(context.app.options.Width)
+			if columns == 0 {
+				columns = uint16(args.Columns)
+			}
+
 			window := struct {
 				row uint16
 				col uint16
 				x   uint16
 				y   uint16
 			}{
-				uint16(args.Rows),
-				uint16(args.Columns),
+				rows,
+				columns,
 				0,
 				0,
 			}
diff --git a/main.go b/main.go
index 7d14198..e5d43d4 100644
--- a/main.go
+++ b/main.go
@@ -37,6 +37,8 @@ func main() {
 		flag{"once", "", "Accept only one client and exit on disconnection"},
 		flag{"permit-arguments", "", "Permit clients to send command line arguments in URL (e.g. http://example.com:8080/?arg=AAA&arg=BBB)"},
 		flag{"close-signal", "", "Signal sent to the command process when gotty close it (default: SIGHUP)"},
+		flag{"width", "", "Static width of the screen, 0(default) means dynamically resize"},
+		flag{"height", "", "Static height of the screen, 0(default) means dynamically resize"},
 	}
 
 	mappingHint := map[string]string{