From 3d13cf1ca54eb7495ec957a70bfe347e3208fb2b Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 9 Mar 2026 09:43:36 +0000
Subject: [PATCH] Fix three bugs in mouse demo kitten DnD drop handling

Fixes #9631
---
 kitty/glfw.c                 | 2 +-
 tools/cmd/mouse_demo/main.go | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kitty/glfw.c b/kitty/glfw.c
index ac23d34ff..f7baa4efd 100644
--- a/kitty/glfw.c
+++ b/kitty/glfw.c
@@ -851,7 +851,7 @@ on_drop(GLFWwindow *window, GLFWDropEvent *ev) {
                         char buf[3072];
                         ssize_t ret = ev->read_data(window, ev, buf, sizeof(buf));
                         drop_dispatch_data(w, buf, ret);
-                        if (ret <= 0) ev->finish_drop(window, GLFW_DRAG_OPERATION_GENERIC);
+                        if (ret < 0) ev->finish_drop(window, GLFW_DRAG_OPERATION_GENERIC);
                     }
                 }
             } else {
diff --git a/tools/cmd/mouse_demo/main.go b/tools/cmd/mouse_demo/main.go
index 96d9ff774..c6b2dba36 100644
--- a/tools/cmd/mouse_demo/main.go
+++ b/tools/cmd/mouse_demo/main.go
@@ -296,9 +296,9 @@ func Run(args []string) (rc int, err error) {
 		case "M":
 			// Drop event from terminal
 			dnd.dragging = false
+			dnd.reset_drop_data()
 			mimes := strings.Fields(payload)
 			dnd.drop_mimes = mimes
-			dnd.reset_drop_data()
 			// Request data for text/plain first, then text/uri-list
 			for _, m := range mimes {
 				if m == "text/plain" {
@@ -357,7 +357,7 @@ func Run(args []string) (rc int, err error) {
 				draw_screen()
 			} else {
 				// Decode base64 payload and append to buffer
-				decoded, err := base64.StdEncoding.DecodeString(payload)
+				decoded, err := base64.RawStdEncoding.DecodeString(payload)
 				if err == nil {
 					dnd.collect_buf.Write(decoded)
 				}