[gnome-builder] keybindinds: add keypad variants for increase/decrease font size

[Christian Hergert <chergert src gnome org>]

commit bc18ed6636a30b8e1c66996654bd63819e9acf5c
Author: Christian Hergert <chergert redhat com>
Date:   Mon Aug 17 12:25:24 2020 -0700

    keybindinds: add keypad variants for increase/decrease font size
    
    Fixes #1281

 src/plugins/editor/default.css          | 2 ++
 src/plugins/emacs/keybindings/emacs.css | 2 ++
 src/plugins/vim/keybindings/vim.css     | 2 ++
 3 files changed, 6 insertions(+)
---
diff --git a/src/plugins/editor/default.css b/src/plugins/editor/default.css
index e1b0177a1..1013e5c40 100644
--- a/src/plugins/editor/default.css
+++ b/src/plugins/editor/default.css
@@ -31,6 +31,8 @@
 
   bind "<ctrl>minus" { "decrease-font-size" () };
   bind "<ctrl>plus" { "increase-font-size" () };
+  bind "<ctrl>KP_Subtract" { "decrease-font-size" () };
+  bind "<ctrl>KP_Add" { "increase-font-size" () };
   bind "<ctrl>equal" { "increase-font-size" () };
   bind "<ctrl>0" { "reset-font-size" () };
 
diff --git a/src/plugins/emacs/keybindings/emacs.css b/src/plugins/emacs/keybindings/emacs.css
index b71cf4384..d7af86858 100644
--- a/src/plugins/emacs/keybindings/emacs.css
+++ b/src/plugins/emacs/keybindings/emacs.css
@@ -82,6 +82,8 @@
 
   bind "<ctrl>minus" { "decrease-font-size" () };
   bind "<ctrl>plus" { "increase-font-size" () };
+  bind "<ctrl>KP_Subtract" { "decrease-font-size" () };
+  bind "<ctrl>KP_Add" { "increase-font-size" () };
   bind "<ctrl>equal" { "increase-font-size" () };
   bind "<ctrl>0" { "reset-font-size" () };
 
diff --git a/src/plugins/vim/keybindings/vim.css b/src/plugins/vim/keybindings/vim.css
index 2914d913f..c31125852 100644
--- a/src/plugins/vim/keybindings/vim.css
+++ b/src/plugins/vim/keybindings/vim.css
@@ -104,6 +104,8 @@
   bind "<ctrl>k" { "action" ("frame", "show-list", "") };
   bind "<ctrl>minus" { "decrease-font-size" () };
   bind "<ctrl>plus" { "increase-font-size" () };
+  bind "<ctrl>KP_Subtract" { "decrease-font-size" () };
+  bind "<ctrl>KP_Add" { "increase-font-size" () };
   bind "<ctrl>equal" { "increase-font-size" () };
   bind "<ctrl>0" { "reset-font-size" () };
   bind "<ctrl><shift>e" { "add-cursor" (column) };