1 files changed, 115 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/events/SDL_dropevents.c b/contrib/SDL-3.2.8/src/events/SDL_dropevents.c
new file mode 100644
index 0000000..661f4f3
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/events/SDL_dropevents.c
@@ -0,0 +1,115 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+// Drag and drop event handling code for SDL
+
+#include "SDL_events_c.h"
+#include "SDL_dropevents_c.h"
+
+#include "../video/SDL_sysvideo.h" // for SDL_Window internals.
+
+static bool SDL_SendDrop(SDL_Window *window, const SDL_EventType evtype, const char *source, const char *data, float x, float y)
+{
+    static bool app_is_dropping = false;
+    static float last_drop_x = 0;
+    static float last_drop_y = 0;
+    bool posted = false;
+
+    // Post the event, if desired
+    if (SDL_EventEnabled(evtype)) {
+        const bool need_begin = window ? !window->is_dropping : !app_is_dropping;
+        SDL_Event event;
+
+        if (need_begin) {
+            SDL_zero(event);
+            event.type = SDL_EVENT_DROP_BEGIN;
+            event.common.timestamp = 0;
+            event.drop.windowID = window ? window->id : 0;
+            posted = SDL_PushEvent(&event);
+            if (!posted) {
+                return false;
+            }
+            if (window) {
+                window->is_dropping = true;
+            } else {
+                app_is_dropping = true;
+            }
+        }
+
+        SDL_zero(event);
+        event.type = evtype;
+        event.common.timestamp = 0;
+        if (source) {
+            event.drop.source = SDL_CreateTemporaryString(source);
+            if (!event.drop.source) {
+                return false;
+            }
+        }
+        if (data) {
+            event.drop.data = SDL_CreateTemporaryString(data);
+            if (!event.drop.data) {
+                return false;
+            }
+        }
+        event.drop.windowID = window ? window->id : 0;
+
+        if (evtype == SDL_EVENT_DROP_POSITION) {
+            last_drop_x = x;
+            last_drop_y = y;
+        }
+        event.drop.x = last_drop_x;
+        event.drop.y = last_drop_y;
+        posted = SDL_PushEvent(&event);
+
+        if (posted && (evtype == SDL_EVENT_DROP_COMPLETE)) {
+            if (window) {
+                window->is_dropping = false;
+            } else {
+                app_is_dropping = false;
+            }
+
+            last_drop_x = 0;
+            last_drop_y = 0;
+        }
+    }
+    return posted;
+}
+
+bool SDL_SendDropFile(SDL_Window *window, const char *source, const char *file)
+{
+    return SDL_SendDrop(window, SDL_EVENT_DROP_FILE, source, file, 0, 0);
+}
+
+bool SDL_SendDropPosition(SDL_Window *window, float x, float y)
+{
+    return SDL_SendDrop(window, SDL_EVENT_DROP_POSITION, NULL, NULL, x, y);
+}
+
+bool SDL_SendDropText(SDL_Window *window, const char *text)
+{
+    return SDL_SendDrop(window, SDL_EVENT_DROP_TEXT, NULL, text, 0, 0);
+}
+
+bool SDL_SendDropComplete(SDL_Window *window)
+{
+    return SDL_SendDrop(window, SDL_EVENT_DROP_COMPLETE, NULL, NULL, 0, 0);
+}