[vte] app: Don't add extra margins by default

[Christian Persch <chpe src gnome org>]

commit a65d7a5d3cc9d0da2b482228f875f90b7f7bff01
Author: Christian Persch <chpe gnome org>
Date:   Sat Dec 26 19:37:49 2015 +0100

    app: Don't add extra margins by default
    
    This is only useful to test that VteTerminal handles all offsets
    correctly, but not for normal operation. So make it a cmdline option.

 src/app.vala |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)
---
diff --git a/src/app.vala b/src/app.vala
index 2362d09..bc2af66 100644
--- a/src/app.vala
+++ b/src/app.vala
@@ -233,10 +233,13 @@ class Window : Gtk.ApplicationWindow
 
     /* Create terminal and connect scrollbar */
     terminal = new Vte.Terminal();
-    terminal.margin_start = 20;
-    terminal.margin_end = 20;
-    terminal.margin_top = 30;
-    terminal.margin_bottom = 30;
+    var margin = App.Options.extra_margin;
+    if (margin > 0) {
+      terminal.margin_start =
+        terminal.margin_end =
+        terminal.margin_top =
+        terminal.margin_bottom = margin;
+    }
 
     scrollbar.set_adjustment(terminal.get_vadjustment());
 
@@ -841,6 +844,7 @@ class App : Gtk.Application
     public static bool debug = false;
     public static string? encoding = null;
     public static string[]? environment = null;
+    public static int extra_margin = 0;
     public static string? font_string = null;
     public static string? geometry = null;
     private static string? hl_bg_color_string = null;
@@ -1013,6 +1017,8 @@ class App : Gtk.Application
         "Specify the terminal encoding to use", null },
       { "env", 0, 0, OptionArg.STRING_ARRAY, ref environment,
         "Add environment variable to the child\'s environment", "VAR=VALUE" },
+      { "extra-margin", 0, 0, OptionArg.INT, ref extra_margin,
+        "Add extra margin around the terminal widget", "MARGIN" },
       { "font", 'f', 0, OptionArg.STRING, ref font_string,
         "Specify a font to use", null },
       { "gregex", 0, 0, OptionArg.NONE, ref no_pcre,