From d52bdd3356137cf67a3458fdee5c94fdec4337e1 Mon Sep 17 00:00:00 2001
From: "marius a. eriksen" <marius.eriksen@gmail.com>
Date: Tue, 23 Dec 2014 20:45:35 -0800
Subject: devdraw: plumb drag-n-dropped files

Change-Id: I7585870aee57c7482ebdd19c117be7982123ce79
Reviewed-on: https://plan9port-review.googlesource.com/1130
Reviewed-by: Russ Cox <rsc@google.com>
---
 src/cmd/devdraw/cocoa-screen.m | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'src/cmd/devdraw')

diff --git a/src/cmd/devdraw/cocoa-screen.m b/src/cmd/devdraw/cocoa-screen.m
index 03355362..fc73814b 100644
--- a/src/cmd/devdraw/cocoa-screen.m
+++ b/src/cmd/devdraw/cocoa-screen.m
@@ -159,6 +159,7 @@ static NSRect dilate(NSRect);
 		detachDrawingThread:@selector(callservep9p:)
 		toTarget:[self class] withObject:nil];
 }
+
 - (void)windowDidBecomeKey:(id)arg
 {
 	getmousepos();
@@ -298,6 +299,41 @@ attachscreen(char *label, char *winsize)
 	[win.content setHidden:NO];
 	[super deminiaturize:arg];
 }
+
+- (NSDragOperation)draggingEntered:(id)arg
+{
+	NSPasteboard *b;
+	NSDragOperation op;
+	
+	op = [arg draggingSourceOperationMask];
+	b = [arg draggingPasteboard];
+	
+	if([[b types] containsObject:NSFilenamesPboardType])
+	if(op&NSDragOperationLink)
+		return NSDragOperationLink;
+	
+	return NSDragOperationNone;
+}
+
+- (BOOL)performDragOperation:(id)arg
+{
+	NSPasteboard *b;
+	NSArray *files;
+	int i, n;
+
+	b = [arg draggingPasteboard];
+	if(![[b types] containsObject:NSFilenamesPboardType])
+		return NO;
+
+	files = [b propertyListForType:NSFilenamesPboardType];
+	n = [files count];
+	for(i=0; i<n; i++)
+	if(fork() == 0)
+		execl("macedit", "macedit", [[files objectAtIndex:i] UTF8String], nil);
+
+	return YES;
+}
+
 @end
 
 double
@@ -354,6 +390,9 @@ makewin(char *s)
 #endif
 	[w setContentMinSize:NSMakeSize(128,128)];
 
+	[w registerForDraggedTypes:[NSArray arrayWithObjects: 
+		NSFilenamesPboardType, nil]];
+
 	win.ofs[0] = w;
 	win.ofs[1] = [[appwin alloc]
 		initWithContentRect:sr
-- 
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