WIP

src/laybasic/laybasic/gsiDeclLayLayoutViewBase.cc

@@ -462,9 +462,9 @@ static LayerPropertiesConstIteratorWrapper each_layer2 (lay::LayoutViewBase *vie
 }
 
 #if defined(HAVE_QT)
-Class<lay::LayoutViewBase> decl_LayoutViewBase (QT_EXTERNAL_BASE (QWidget) "lay", "LayoutViewBase",
+LAYBASIC_PUBLIC Class<lay::LayoutViewBase> decl_LayoutViewBase (QT_EXTERNAL_BASE (QWidget) "lay", "LayoutViewBase",
 #else
-Class<lay::LayoutViewBase> decl_LayoutViewBase (QT_EXTERNAL_BASE (QWidget) "lay", "LayoutViewBase",
+LAYBASIC_PUBLIC Class<lay::LayoutViewBase> decl_LayoutViewBase (QT_EXTERNAL_BASE (QWidget) "lay", "LayoutViewBase",
 #endif
   gsi::constant ("LV_NoLayers", (unsigned int) lay::LayoutViewBase::LV_NoLayers,
     "@brief With this option, no layers view will be provided (see \\layer_control_frame)\n"

src/laybasic/laybasic/layFixedFont.h

@@ -3,6 +3,8 @@
 #ifndef HDR_layFixedFont
 #define HDR_layFixedFont
 
+#include "laybasicCommon.h"
+
 #include <stdint.h>
 
 namespace lay
@@ -12,7 +14,7 @@ namespace lay
  *  @brief A descriptor class for a fixed font
  */
 
-class FixedFont 
+class LAYBASIC_PUBLIC FixedFont
 {
 public:
   /**

src/laybasic/laybasic/layLayoutCanvas.h

@@ -24,11 +24,7 @@
 #ifndef HDR_layLayoutCanvas
 #define HDR_layLayoutCanvas
 
-#include <vector>
-#include <map>
-#include <set>
-#include <utility>
-
+#include "laybasicCommon.h"
 #include "dbTrans.h"
 #include "dbBox.h"
 #include "layViewport.h"
@@ -44,6 +40,11 @@
 #include "tlDeferredExecution.h"
 #include "tlThreads.h"
 
+#include <vector>
+#include <map>
+#include <set>
+#include <utility>
+
 namespace lay
 {
 
@@ -132,7 +133,7 @@ private:
  *  and to manage the auxiliary objects like rulers etc.
  */
 
-class LayoutCanvas 
+class LAYBASIC_PUBLIC LayoutCanvas
   : public lay::ViewObjectWidget,
     public lay::BitmapViewObjectCanvas,
     public lay::BitmapRedrawThreadCanvas,

src/laybasic/laybasic/layMove.h

@@ -23,6 +23,7 @@
 #ifndef HDR_layMove
 #define HDR_layMove
 
+#include "laybasicCommon.h"
 #include "dbManager.h"
 #include "layViewObject.h"
 
@@ -33,7 +34,7 @@ namespace lay {
 class Editables;
 class LayoutViewBase;
 
-class MoveService :
+class LAYBASIC_PUBLIC MoveService :
     public lay::ViewService
 {
 public: 

src/laybasic/laybasic/layNativePlugin.cc

@@ -0,0 +1,55 @@
+
+/*
+
+  KLayout Layout Viewer
+  Copyright (C) 2006-2022 Matthias Koefferlein
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+#include "layNativePlugin.h"
+
+#include "gsiDecl.h"
+
+const klp_class_t *klp_class_by_name (const char *name)
+{
+  return reinterpret_cast<const klp_class_t *> (gsi::class_by_name (name));
+}
+
+void *klp_create (const klp_class_t *cls)
+{
+  return reinterpret_cast<const gsi::ClassBase *> (cls)->create ();
+}
+
+void klp_destroy (const klp_class_t *cls, void *obj)
+{
+  reinterpret_cast<const gsi::ClassBase *> (cls)->destroy (obj);
+}
+
+void *klp_clone (const klp_class_t *cls, const void *source)
+{
+  return reinterpret_cast<const gsi::ClassBase *> (cls)->clone (source);
+}
+
+void klp_assign (const klp_class_t *cls, void *target, const void *source)
+{
+  reinterpret_cast<const gsi::ClassBase *> (cls)->assign (target, source);
+}
+
+void klp_require_api_version (const char * /*version*/)
+{
+  //  TODO: implement
+}

src/laybasic/laybasic/layNativePlugin.h

@@ -0,0 +1,97 @@
+
+/*
+
+  KLayout Layout Viewer
+  Copyright (C) 2006-2022 Matthias Koefferlein
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+#ifndef HDR_layNativePlugin
+#define HDR_layNativePlugin
+
+#include "laybasicCommon.h"
+
+/**
+ *  @brief A struct to hold the data of the plugin
+ *
+ *  Use it like this:
+ *
+ *  @code
+ *  static NativePlugin plugin_desc = {
+ *    0,     //  (void (*)()) pointer to autorun function or 0 if not present
+ *    0,     //  (void (*)()) pointer to early autorun function or 0 if not present
+ *    "1.0", //  (const char *) version information - should be given at least
+ *    0      //  (const char *) description or 0/empty if no description is given
+ *  };
+ *  DECLARE_NATIVE_PLUGIN (plugin_desc);
+ *  @endcode
+ */
+struct NativePlugin {
+  void (*autorun) ();
+  void (*autorun_early) ();
+  const char *version;
+  const char *description;
+};
+
+/**
+ *  @brief A typedef for the initialization function a plugin is supposed to expose.
+ */
+typedef void (*klp_init_func_t) (void (**autorun) (), void (**autorun_early) (), const char **version, const char **description);
+
+# if defined _WIN32 || defined __CYGWIN__
+#   define KLP_PUBLIC __declspec(dllexport)
+# else
+#   if __GNUC__ >= 4 || defined(__clang__)
+#     define KLP_PUBLIC __attribute__ ((visibility ("default")))
+#   else
+#     define KLP_PUBLIC
+#   endif
+
+# endif
+
+#define DECLARE_NATIVE_PLUGIN(desc) \
+  extern "C" { \
+    KLP_PUBLIC void klp_init (void (**autorun) (), void (**autorun_early) (), const char **version, const char **description) { \
+      *autorun = desc.autorun; \
+      *autorun_early = desc.autorun_early; \
+      *version = desc.version; \
+      *description = desc.description; \
+    } \
+  }
+
+/**
+ *  @brief Some (opaque) types for representing some gsi classes in the native API
+ */
+
+struct klp_class_t { };
+struct klp_method_t { };
+
+/**
+ *  @brief The gsi API functions wrapped for the native API
+ */
+extern "C" {
+  LAYBASIC_PUBLIC const klp_class_t *klp_class_by_name (const char *name);
+  LAYBASIC_PUBLIC void *klp_create (const klp_class_t *cls);
+  LAYBASIC_PUBLIC void klp_destroy (const klp_class_t *cls, void *obj);
+  LAYBASIC_PUBLIC void *klp_clone (const klp_class_t *cls, const void *source);
+  LAYBASIC_PUBLIC void klp_assign (const klp_class_t *cls, void *target, const void *source);
+  LAYBASIC_PUBLIC void klp_require_api_version (const char *version);
+}
+
+
+#endif
+

src/laybasic/laybasic/laybasic.pro

@@ -61,6 +61,7 @@ SOURCES += \
   layMarker.cc \
   layMouseTracker.cc \
   layMove.cc \
+  layNativePlugin.cc \
   layNetColorizer.cc \
   layObjectInstPath.cc \
   layParsedLayerSource.cc \
@@ -112,6 +113,7 @@ HEADERS += \
   layMarker.h \
   layMouseTracker.h \
   layMove.h \
+  layNativePlugin.h \
   layNetColorizer.h \
   layObjectInstPath.h \
   layParsedLayerSource.h \