Add argc,argv constructor to Application for use with webviews

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

Author: falkTX

dgl/Application.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
@@ -54,6 +54,12 @@ BUILD_CONFIG_SENTINEL(fail_to_link_is_mismatch_dgl_use_file_browser_on)
 BUILD_CONFIG_SENTINEL(fail_to_link_is_mismatch_dgl_use_file_browser_off)
 #endif
 
+#ifdef DGL_USE_WEB_VIEW
+BUILD_CONFIG_SENTINEL(fail_to_link_is_mismatch_dgl_use_web_view_on)
+#else
+BUILD_CONFIG_SENTINEL(fail_to_link_is_mismatch_dgl_use_web_view_off)
+#endif
+
 #ifdef DGL_NO_SHARED_RESOURCES
 BUILD_CONFIG_SENTINEL(fail_to_link_is_mismatch_dgl_no_shared_resources_on)
 #else
@@ -78,11 +84,16 @@ class DISTRHO_API Application
 {
 public:
    /**
-      Constructor.
+      Constructor for standalone or plugin application.
     */
-    // NOTE: the default value is not yet passed, so we catch where we use this
     Application(bool isStandalone = true);
 
+   /**
+      Constructor for a standalone application.
+      This specific constructor is required if using web views in standalone applications.
+    */
+    Application(int argc, char* argv[]);
+
    /**
       Destructor.
     */

dgl/src/Application.cpp

@@ -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
@@ -24,6 +24,11 @@
 
 START_NAMESPACE_DGL
 
+/* define webview start */
+#if defined(HAVE_X11) && defined(DISTRHO_OS_LINUX) && defined(DGL_USE_WEB_VIEW)
+int dpf_webview_start(int argc, char* argv[]);
+#endif
+
 // --------------------------------------------------------------------------------------------------------------------
 // build config sentinels
 
@@ -42,6 +47,12 @@ BUILD_CONFIG_SENTINEL(fail_to_link_is_mismatch_dgl_use_file_browser_on)
 BUILD_CONFIG_SENTINEL(fail_to_link_is_mismatch_dgl_use_file_browser_off)
 #endif
 
+#ifdef DGL_USE_WEB_VIEW
+BUILD_CONFIG_SENTINEL(fail_to_link_is_mismatch_dgl_use_web_view_on)
+#else
+BUILD_CONFIG_SENTINEL(fail_to_link_is_mismatch_dgl_use_web_view_off)
+#endif
+
 #ifdef DGL_NO_SHARED_RESOURCES
 BUILD_CONFIG_SENTINEL(fail_to_link_is_mismatch_dgl_no_shared_resources_on)
 #else
@@ -64,6 +75,11 @@ bool dpf_check_build_status() noexcept
      #else
       fail_to_link_is_mismatch_dgl_use_file_browser_off.ok &&
      #endif
+     #ifdef DGL_USE_WEB_VIEW
+      fail_to_link_is_mismatch_dgl_use_web_view_on.ok &&
+     #else
+      fail_to_link_is_mismatch_dgl_use_web_view_off.ok &&
+     #endif
      #ifdef DGL_NO_SHARED_RESOURCES
       fail_to_link_is_mismatch_dgl_no_shared_resources_on.ok &&
      #else
@@ -96,6 +112,43 @@ Application::Application(const bool isStandalone)
    #else
     fail_to_link_is_mismatch_dgl_use_file_browser_off.ok = true;
    #endif
+   #ifdef DGL_USE_WEB_VIEW
+    fail_to_link_is_mismatch_dgl_use_web_view_on.ok = true;
+   #else
+    fail_to_link_is_mismatch_dgl_use_web_view_off.ok = true;
+   #endif
+   #ifdef DGL_NO_SHARED_RESOURCES
+    fail_to_link_is_mismatch_dgl_no_shared_resources_on.ok = true;
+   #else
+    fail_to_link_is_mismatch_dgl_no_shared_resources_off.ok = true;
+   #endif
+    DISTRHO_SAFE_ASSERT(dpf_check_build_status());
+}
+
+Application::Application(int argc, char* argv[])
+    : pData(new PrivateData(true))
+{
+   #if defined(HAVE_X11) && defined(DISTRHO_OS_LINUX) && defined(DGL_USE_WEB_VIEW)
+    if (argc >= 2 && std::strcmp(argv[1], "dpf-ld-linux-webview") == 0)
+        std::exit(dpf_webview_start(argc, argv));
+   #endif
+
+    // build config sentinels
+   #ifdef DPF_DEBUG
+    fail_to_link_is_mismatch_dpf_debug_on.ok = true;
+   #else
+    fail_to_link_is_mismatch_dpf_debug_off.ok = true;
+   #endif
+   #ifdef DGL_USE_FILE_BROWSER
+    fail_to_link_is_mismatch_dgl_use_file_browser_on.ok = true;
+   #else
+    fail_to_link_is_mismatch_dgl_use_file_browser_off.ok = true;
+   #endif
+   #ifdef DGL_USE_WEB_VIEW
+    fail_to_link_is_mismatch_dgl_use_web_view_on.ok = true;
+   #else
+    fail_to_link_is_mismatch_dgl_use_web_view_off.ok = true;
+   #endif
    #ifdef DGL_NO_SHARED_RESOURCES
     fail_to_link_is_mismatch_dgl_no_shared_resources_on.ok = true;
    #else