Expose clipboard functions from pugl, tested to work in Cardinal

dgl/TopLevelWidget.hpp

@@ -101,6 +101,8 @@ public:
     void repaint(const Rectangle<uint>& rect) noexcept;
 
     // TODO group stuff after here, convenience functions present in Window class
+    bool setClipboard(const char* mimeType, const void* data, size_t dataSize);
+    const void* getClipboard(const char*& mimeType, size_t& dataSize);
     bool addIdleCallback(IdleCallback* callback, uint timerFrequencyInMs = 0);
     bool removeIdleCallback(IdleCallback* callback);
     double getScaleFactor() const noexcept;

dgl/Window.hpp

@@ -263,6 +263,27 @@ public:
     */
     void setIgnoringKeyRepeat(bool ignore) noexcept;
 
+   /**
+      Set the clipboard contents.
+
+      This sets the system clipboard contents,
+      which can be retrieved with getClipboard() or pasted into other applications.
+
+      If using a string, the use of a null terminator is required (and must be part of dataSize).@n
+      The MIME type of the data "text/plain" is assumed if null is used.
+    */
+    bool setClipboard(const char* mimeType, const void* data, size_t dataSize);
+
+   /**
+      Get the clipboard contents.
+
+      This gets the system clipboard contents,
+      which may have been set with setClipboard() or copied from another application.
+
+      returns the clipboard contents, or null.
+    */
+    const void* getClipboard(const char*& mimeType, size_t& dataSize);
+
    /**
       Add a callback function to be triggered on every idle cycle or on a specific timer frequency.
       You can add more than one, and remove them at anytime with removeIdleCallback().

dgl/src/TopLevelWidget.cpp

@@ -60,6 +60,16 @@ void TopLevelWidget::setSize(const Size<uint>& size)
     pData->window.setSize(size);
 }
 
+bool TopLevelWidget::setClipboard(const char* mimeType, const void* data, size_t dataSize)
+{
+    return pData->window.setClipboard(mimeType, data, dataSize);
+}
+
+const void* TopLevelWidget::getClipboard(const char*& mimeType, size_t& dataSize)
+{
+    return pData->window.getClipboard(mimeType, dataSize);
+}
+
 bool TopLevelWidget::addIdleCallback(IdleCallback* const callback, const uint timerFrequencyInMs)
 {
     return pData->window.addIdleCallback(callback, timerFrequencyInMs);

dgl/src/Window.cpp

@@ -257,6 +257,16 @@ void Window::setIgnoringKeyRepeat(const bool ignore) noexcept
     puglSetViewHint(pData->view, PUGL_IGNORE_KEY_REPEAT, ignore);
 }
 
+bool Window::setClipboard(const char* const mimeType, const void* const data, const size_t dataSize)
+{
+    return puglSetClipboard(pData->view, mimeType, data, dataSize) == PUGL_SUCCESS;
+}
+
+const void* Window::getClipboard(const char*& mimeType, size_t& dataSize)
+{
+    return puglGetClipboard(pData->view, &mimeType, &dataSize);
+}
+
 bool Window::addIdleCallback(IdleCallback* const callback, const uint timerFrequencyInMs)
 {
     DISTRHO_SAFE_ASSERT_RETURN(callback != nullptr, false)