From 01b9943e9cd886bcfd22ba58783137e554ef2a3c Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Fri, 9 Sep 2022 23:28:29 +0200
Subject: Support png,jpg and gif clipboard. Use callback for clipboard

---
 depends/mgl                     |  2 +-
 include/mglpp/window/Window.hpp | 10 +++++++++-
 src/window/Window.cpp           | 13 +++++++++++--
 tests/main.cpp                  |  2 +-
 4 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/depends/mgl b/depends/mgl
index e6167bc..d6a5f9c 160000
--- a/depends/mgl
+++ b/depends/mgl
@@ -1 +1 @@
-Subproject commit e6167bc9300d497b1f2edf3a307164081e24f2bd
+Subproject commit d6a5f9c394aea65684aa9d340ef26849bf49a2cc
diff --git a/include/mglpp/window/Window.hpp b/include/mglpp/window/Window.hpp
index bdf9c05..f284aa0 100644
--- a/include/mglpp/window/Window.hpp
+++ b/include/mglpp/window/Window.hpp
@@ -8,6 +8,7 @@
 #include "Mouse.hpp"
 #include <stddef.h>
 #include <string>
+#include <functional>
 
 extern "C" {
 #include <mgl/window/window.h>
@@ -26,6 +27,12 @@ namespace mgl {
         vec2i size;
     };
 
+    /*
+        Return true to continue. |get_clipboard| returns false if this returns false.
+        Note: |size| is the size of the current data, not the total data (if the callback only contains a part of the data).
+    */
+    using ClipboardCallback = std::function<bool(const unsigned char *data, size_t size, mgl_clipboard_type clipboard_type)>;
+
     class Window {
     public:
         /* Has to match mgl_window_create_params */
@@ -84,7 +91,8 @@ namespace mgl {
         bool is_mouse_button_pressed(Mouse::Button button) const;
 
         void set_clipboard(const std::string &str);
-        std::string get_clipboard();
+        bool get_clipboard(ClipboardCallback callback);
+        std::string get_clipboard_string();
 
         WindowHandle get_system_handle() const;
     private:
diff --git a/src/window/Window.cpp b/src/window/Window.cpp
index 5174504..ec187e3 100644
--- a/src/window/Window.cpp
+++ b/src/window/Window.cpp
@@ -10,6 +10,11 @@ extern "C" {
 }
 
 namespace mgl {
+    static bool clipboard_callback_interface(const unsigned char *data, size_t size, mgl_clipboard_type clipboard_type, void *userdata) {
+        ClipboardCallback *clipboard_callback = (ClipboardCallback*)userdata;
+        return (*clipboard_callback)(data, size, clipboard_type);
+    }
+
     Window::Window() {
         window.window = 0;
     }
@@ -138,11 +143,15 @@ namespace mgl {
         mgl_window_set_clipboard(&window, str.c_str(), str.size());
     }
 
-    std::string Window::get_clipboard() {
+    bool Window::get_clipboard(ClipboardCallback callback) {
+        return mgl_window_get_clipboard(&window, clipboard_callback_interface, &callback);
+    }
+
+    std::string Window::get_clipboard_string() {
         std::string result;
         char *str = nullptr;
         size_t size = 0;
-        if(mgl_window_get_clipboard(&window, &str, &size)) {
+        if(mgl_window_get_clipboard_string(&window, &str, &size)) {
             result.assign(str, size);
             free(str);
         }
diff --git a/tests/main.cpp b/tests/main.cpp
index f3ad539..eb134ac 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -107,7 +107,7 @@ int main(int argc, char **argv) {
     mgl::Event event;
     while(window.is_open()) {
         if(window.poll_event(event)) {
-
+            
         }
 
         window.clear(mgl::Color(0, 0, 0, 255));
-- 
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