From a7d20e4dee9b935e4d783638df7845436f891da2 Mon Sep 17 00:00:00 2001
From: Bjorn Winckler <bjorn.winckler@gmail.com>
Date: Sun, 29 Jul 2007 12:40:25 +0000
Subject: [PATCH] Added :browse support for DO.

git-svn-id: http://macvim.googlecode.com/svn/trunk@29 96c4425d-ca35-0410-94e5-3396d5c13a8f
---
 MMBackend.h       |  1 +
 MMBackend.m       | 33 ++++++++++++++++++++++++++++++---
 MMVimController.m | 26 +++++++++++++++++++++++++-
 MacVim.h          |  4 ++++
 4 files changed, 60 insertions(+), 4 deletions(-)

diff --git a/MMBackend.h b/MMBackend.h
index 5e28c6b525..68d68295ec 100644
--- a/MMBackend.h
+++ b/MMBackend.h
@@ -23,6 +23,7 @@
 #if MM_USE_DO
     NSConnection    *connection;
     id              frontendProxy;
+    NSString        *browseForFileString;
 #else
     NSPort          *sendPort;
     NSPort          *receivePort;
diff --git a/MMBackend.m b/MMBackend.m
index c4705e65a1..e02a039408 100644
--- a/MMBackend.m
+++ b/MMBackend.m
@@ -461,15 +461,42 @@ static int eventButtonNumberToVimMouseButton(int buttonNumber);
     [self queueMessage:SetVimWindowTitleMsgID data:data];
 }
 
+#if MM_USE_DO
+- (oneway void)setBrowseForFileString:(in bycopy NSString *)string
+{
+    // NOTE: This is called by [MMVimController panelDidEnd:::] to indicate
+    // that the save/open panel has finished.  If 'string == nil' that means
+    // the user pressed cancel.
+    browseForFileString = string ? [string copy] : nil;
+}
+#endif
+
 - (char *)browseForFileInDirectory:(char *)dir title:(char *)title
                             saving:(int)saving
 {
-#if MM_USE_DO
-    return nil;
-#else
     //NSLog(@"browseForFileInDirectory:%s title:%s saving:%d", dir, title,
     //        saving);
 
+#if MM_USE_DO
+    NSString *ds = dir
+            ? [NSString stringWithCString:dir encoding:NSUTF8StringEncoding]
+            : nil;
+    NSString *ts = title
+            ? [NSString stringWithCString:title encoding:NSUTF8StringEncoding]
+            : nil;
+    [frontendProxy showSavePanelForDirectory:ds title:ts saving:saving];
+
+    // Wait until a reply is sent from MMVimController.
+    [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
+                             beforeDate:[NSDate distantFuture]];
+    if (!browseForFileString)
+        return nil;
+
+    char_u *s = vim_strsave((char_u*)[browseForFileString UTF8String]);
+    [browseForFileString release];  browseForFileString = nil;
+
+    return (char *)s;
+#else
     NSMutableData *data = [NSMutableData data];
 
     [data appendBytes:&saving length:sizeof(int)];
diff --git a/MMVimController.m b/MMVimController.m
index 864069a8a2..08cc5f1598 100644
--- a/MMVimController.m
+++ b/MMVimController.m
@@ -180,6 +180,27 @@ static NSMenuItem *findMenuItemWithTagInMenu(NSMenu *root, int tag)
 }
 
 #if MM_USE_DO
+- (oneway void)showSavePanelForDirectory:(in bycopy NSString *)dir
+                                   title:(in bycopy NSString *)title
+                                  saving:(int)saving
+{
+    if (saving) {
+        [[NSSavePanel savePanel] beginSheetForDirectory:dir file:nil
+                modalForWindow:[windowController window]
+                 modalDelegate:self
+                didEndSelector:@selector(panelDidEnd:code:context:)
+                   contextInfo:NULL];
+    } else {
+        NSOpenPanel *panel = [NSOpenPanel openPanel];
+        [panel setAllowsMultipleSelection:NO];
+        [panel beginSheetForDirectory:dir file:nil types:nil
+                modalForWindow:[windowController window]
+                 modalDelegate:self
+                didEndSelector:@selector(panelDidEnd:code:context:)
+                   contextInfo:NULL];
+    }
+}
+
 - (oneway void)processCommandQueue:(in NSArray *)queue
 {
     unsigned i, count = [queue count];
@@ -762,7 +783,10 @@ static NSMenuItem *findMenuItemWithTagInMenu(NSMenu *root, int tag)
 
 - (void)panelDidEnd:(NSSavePanel *)panel code:(int)code context:(void *)context
 {
-#if !MM_USE_DO
+#if MM_USE_DO
+    NSString *string = (code == NSOKButton) ? [panel filename] : nil;
+    [backendProxy setBrowseForFileString:string];
+#else
     NSMutableData *data = [NSMutableData data];
     int ok = (code == NSOKButton);
     NSString *filename = [panel filename];
diff --git a/MacVim.h b/MacVim.h
index a984419c48..39a0c0e608 100644
--- a/MacVim.h
+++ b/MacVim.h
@@ -20,10 +20,14 @@
 @protocol MMBackendProtocol
 - (oneway void)processInput:(int)msgid data:(in NSData *)data;
 - (BOOL)checkForModifiedBuffers;
+- (oneway void)setBrowseForFileString:(in bycopy NSString *)string;
 @end
 
 @protocol MMFrontendProtocol
 - (oneway void)processCommandQueue:(in NSArray *)queue;
+- (oneway void)showSavePanelForDirectory:(in bycopy NSString *)dir
+                                   title:(in bycopy NSString *)title
+                                  saving:(int)saving;
 @end
 
 @protocol MMAppProtocol