get/set clipboard, color hex value

src/main.cpp

@@ -180,6 +180,47 @@ void win32_show_cursor(bool visible)
     });
 }
 
+std::string win32_clipboard_get_text()
+{
+    std::string ret;
+    if (OpenClipboard(hWnd))
+    {
+        if (HANDLE h = GetClipboardData(CF_TEXT))
+        {
+            if (char* s = (char*)GlobalLock(h))
+            {
+                ret = s;
+                GlobalUnlock(h);
+            }
+        }
+        CloseClipboard();
+    }
+    return ret;
+}
+
+bool win32_clipboard_set_text(const std::string& s)
+{
+    bool success = false;
+    if (OpenClipboard(hWnd))
+    {
+        // owned by SetClipboardData
+        if (HGLOBAL h = GlobalAlloc(GMEM_MOVEABLE, s.size() + 1))
+        {
+            if (char* p = (char*)GlobalLock(h))
+            {
+                std::copy(s.begin(), s.end(), p);
+                p[s.size()] = 0; // string null-termination
+                GlobalUnlock(h);
+                success = true;
+            }
+            EmptyClipboard();
+            SetClipboardData(CF_TEXT, h);
+        }
+        CloseClipboard();
+    }
+    return success;
+}
+
 std::string win32_open_file(const char* filter)
 {
     OPENFILENAMEA ofn;