From 3292e01a824d6a7d52c68ae5daf9101ef7d962ee Mon Sep 17 00:00:00 2001
From: Bjorn Winckler <bjorn.winckler@gmail.com>
Date: Wed, 19 Mar 2008 19:56:19 +0100
Subject: [PATCH] Improve <D-w> behaviour

With this patch <D-w> works as follows:
- if in Ex-mode, exit by sending "^U:vi<CR>"
- if the command-line window is open, close it using CTRL-\_CTRL-N
- otherwise go to normal mode and add ":q<CR>" to the input buffer
---
 src/MacVim/MMBackend.m          | 18 ++++++++++++++++++
 src/MacVim/MMWindowController.m |  8 +++-----
 src/MacVim/MacVim.h             |  1 +
 src/MacVim/MacVim.m             |  1 +
 4 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/src/MacVim/MMBackend.m b/src/MacVim/MMBackend.m
index 95165cd1f3..3f1fa06850 100644
--- a/src/MacVim/MMBackend.m
+++ b/src/MacVim/MMBackend.m
@@ -1648,6 +1648,24 @@ static NSString *MMSymlinkWarningString =
         [self handleOdbEdit:data];
     } else if (XcodeModMsgID == msgid) {
         [self handleXcodeMod:data];
+    } else if (CloseMsgID == msgid) {
+        // If in Ex mode, then simply exit Ex mode (^U:vi<CR>).  Otherwise
+        // try to close one (Vim-)window by going to Normal mode first
+        // (CTRL-\_CTRL-N) and then sending ":q<CR>", but only if the
+        // command-line window is not open.  If the command-line window is open
+        // then we just go back to normal mode (since CTRL-\_CTRL-N closes the
+        // command-line window).
+        if (exmode_active) {
+            // Exit Ex mode
+            add_to_input_buf((char_u*)"\x15:vi\n", 5);
+        } else {
+            // Go to normal mode
+            add_to_input_buf((char_u*)"\x1c\xe", 2);
+            if (0 == cmdwin_type) {
+                // Command-line window was not open, so :q
+                add_to_input_buf((char_u*)":q\n", 3);
+            }
+        }
     } else {
         NSLog(@"WARNING: Unknown message received (msgid=%d)", msgid);
     }
diff --git a/src/MacVim/MMWindowController.m b/src/MacVim/MMWindowController.m
index 88b966894b..3451b67e70 100644
--- a/src/MacVim/MMWindowController.m
+++ b/src/MacVim/MMWindowController.m
@@ -593,11 +593,9 @@
 
 - (IBAction)performClose:(id)sender
 {
-    // NOTE: File->Close is bound to this action message instead binding it
-    // directly to the below vim input so that File->Close also works for
-    // auxiliary windows such as the About dialog.  (If we were to bind the
-    // below, then <D-w> will not close e.g. the About dialog.)
-    [vimController addVimInput:@"<C-\\><C-N>:conf q<CR>"];
+    // NOTE: File->Close is bound to this action message so that File->Close
+    // also works for auxiliary windows such as the About dialog.
+    [vimController sendMessage:CloseMsgID data:nil];
 }
 
 - (IBAction)findNext:(id)sender
diff --git a/src/MacVim/MacVim.h b/src/MacVim/MacVim.h
index d85e66b9ff..f824014f3a 100644
--- a/src/MacVim/MacVim.h
+++ b/src/MacVim/MacVim.h
@@ -162,6 +162,7 @@ enum {
     LiveResizeMsgID,
     EnableAntialiasMsgID,
     DisableAntialiasMsgID,
+    CloseMsgID,
 };
 
 
diff --git a/src/MacVim/MacVim.m b/src/MacVim/MacVim.m
index c7ce9687f9..a2edd6cf0d 100644
--- a/src/MacVim/MacVim.m
+++ b/src/MacVim/MacVim.m
@@ -75,6 +75,7 @@ char *MessageStrings[] =
     "LiveResizeMsgID",
     "EnableAntialiasMsgID",
     "DisableAntialiasMsgID",
+    "CloseMsgID",
 };