Fix win32 make build

Signed-off-by: falkTX <falktx@falktx.com>

dgl/Makefile

@@ -54,6 +54,10 @@ OBJS_common = \
 	$(BUILD_DIR)/dgl/Window.cpp.o \
 	$(BUILD_DIR)/dgl/WindowPrivateData.cpp.o
 
+ifeq ($(WINDOWS)$(USE_WEB_VIEW),truetrue)
+OBJS_common += $(BUILD_DIR)/dgl/WebViewWin32.cpp.o
+endif
+
 # ---------------------------------------------------------------------------------------------------------------------
 
 OBJS_cairo = $(OBJS_common) \
@@ -201,6 +205,11 @@ $(BUILD_DIR)/dgl/pugl.mm.o: src/pugl.mm
 	@echo "Compiling $<"
 	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) $(PUGL_EXTRA_FLAGS) -c -ObjC++ -o $@
 
+$(BUILD_DIR)/dgl/WebViewWin32.cpp.o: src/WebViewWin32.cpp
+	-@mkdir -p $(BUILD_DIR)/dgl
+	@echo "Compiling $<"
+	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) -std=gnu++17 -c -o $@
+
 # ---------------------------------------------------------------------------------------------------------------------
 
 $(BUILD_DIR)/dgl/%.cpp.cairo.o: src/%.cpp

dgl/src/WebViewWin32.cpp

@@ -0,0 +1,23 @@
+/*
+ * DISTRHO Plugin Framework (DPF)
+ * Copyright (C) 2012-2025 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+// Include CHOC separately because it requires C++17
+
+#define DISTRHO_WEB_VIEW_INCLUDE_IMPLEMENTATION
+#define WEB_VIEW_NAMESPACE DGL_NAMESPACE
+#define WEB_VIEW_DGL_NAMESPACE
+#include "../WebView.hpp"
+#include "../../distrho/extra/WebViewWin32.hpp"

distrho/DistrhoUI_win32.cpp

@@ -22,6 +22,7 @@
 
 #if DISTRHO_UI_WEB_VIEW
 # define DISTRHO_WEB_VIEW_INCLUDE_IMPLEMENTATION
+# define WEB_VIEW_NAMESPACE DISTRHO_NAMESPACE
 # include "extra/WebView.hpp"
 # include "extra/WebViewWin32.hpp"
 #endif

distrho/extra/WebViewWin32.hpp

@@ -1,6 +1,6 @@
 /*
  * DISTRHO Plugin Framework (DPF)
- * Copyright (C) 2012-2024 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2012-2025 Filipe Coelho <falktx@falktx.com>
  *
  * Permission to use, copy, modify, and/or distribute this software for any purpose with
  * or without fee is hereby granted, provided that the above copyright notice and this
@@ -26,13 +26,26 @@ START_NAMESPACE_DISTRHO
 
 class WebView;
 
-WebView* webview_choc_create(const WebViewOptions& opts);
+END_NAMESPACE_DISTRHO
+
+#ifdef WEB_VIEW_DGL_NAMESPACE
+START_NAMESPACE_DGL
+using DISTRHO_NAMESPACE::WebView;
+#else
+START_NAMESPACE_DISTRHO
+#endif
+
+WebView* webview_choc_create(const WEB_VIEW_NAMESPACE::WebViewOptions& opts);
 void webview_choc_destroy(WebView*);
 void* webview_choc_handle(WebView*);
 void webview_choc_eval(WebView*, const char* js);
 void webview_choc_navigate(WebView*, const char* url);
 
+#ifdef WEB_VIEW_DGL_NAMESPACE
+END_NAMESPACE_DGL
+#else
 END_NAMESPACE_DISTRHO
+#endif
 
 // --------------------------------------------------------------------------------------------------------------------
 
@@ -41,9 +54,13 @@ END_NAMESPACE_DISTRHO
 # define WC_ERR_INVALID_CHARS 0
 # include "choc/choc_WebView.h"
 
+#ifdef WEB_VIEW_DGL_NAMESPACE
+START_NAMESPACE_DGL
+#else
 START_NAMESPACE_DISTRHO
+#endif
 
-WebView* webview_choc_create(const WebViewOptions& opts)
+WebView* webview_choc_create(const WEB_VIEW_NAMESPACE::WebViewOptions& opts)
 {
     WebView::Options wopts;
     wopts.acceptsFirstMouseClick = true;
@@ -52,7 +69,7 @@ WebView* webview_choc_create(const WebViewOptions& opts)
     std::unique_ptr<WebView> webview = std::make_unique<WebView>(wopts);
     DISTRHO_SAFE_ASSERT_RETURN(webview->loadedOK(), nullptr);
 
-    if (const WebViewMessageCallback callback = opts.callback)
+    if (const WEB_VIEW_NAMESPACE::WebViewMessageCallback callback = opts.callback)
     {
         webview->addInitScript("function postMessage(m){window.chrome.webview.postMessage(m);}");
 
@@ -94,7 +111,11 @@ void webview_choc_navigate(WebView* const webview, const char* const url)
     webview->navigate(url);
 }
 
+#ifdef WEB_VIEW_DGL_NAMESPACE
+END_NAMESPACE_DGL
+#else
 END_NAMESPACE_DISTRHO
+#endif
 
 #endif // DISTRHO_WEB_VIEW_INCLUDE_IMPLEMENTATION