From ddb36e343652264db4599bf186498c30657e79a4 Mon Sep 17 00:00:00 2001
From: Romain Vimont <rom@rom1v.com>
Date: Mon, 1 Jun 2020 16:46:46 +0200
Subject: [PATCH] Forward copy-cut shortcuts

For convenience, forward RCtrl+c (or Cmd+c) and and RCtrl+x (or Cmd+x)
as LCtrl+c and LCtrl+x to the device.

This allows to use the "natural" keys for copy-paste (especially on
macOS).
---
 app/src/input_manager.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/app/src/input_manager.c b/app/src/input_manager.c
index ed840604..3e932a59 100644
--- a/app/src/input_manager.c
+++ b/app/src/input_manager.c
@@ -242,6 +242,25 @@ convert_input_key(const SDL_KeyboardEvent *from, struct control_msg *to,
     return true;
 }
 
+static void
+inject_as_ctrl(struct input_manager *im, const SDL_KeyboardEvent *event) {
+    struct control_msg msg;
+
+    if (!convert_input_key(event, &msg, false)) {
+        return;
+    }
+
+    // Disable RCtrl and Meta
+    msg.inject_keycode.metastate &=
+        ~(AMETA_CTRL_RIGHT_ON | AMETA_META_LEFT_ON | AMETA_META_RIGHT_ON);
+    // Enable LCtrl
+    msg.inject_keycode.metastate |= AMETA_CTRL_LEFT_ON;
+
+    if (!controller_push_msg(im->controller, &msg)) {
+        LOGW("Could not request 'inject keycode'");
+    }
+}
+
 void
 input_manager_process_key(struct input_manager *im,
                           const SDL_KeyboardEvent *event,
@@ -382,6 +401,15 @@ input_manager_process_key(struct input_manager *im,
                     rotate_device(controller);
                 }
                 return;
+            case SDLK_c:
+            case SDLK_x:
+                if (control && !shift) {
+                    // For convenience, forward shortcut_key+c and
+                    // shortcut_key+x as Ctrl+c and Ctrl+x (typically "copy" and
+                    // "cut", but not always) to the device
+                    inject_as_ctrl(im, event);
+                }
+                return;
         }
 
         return;