From 43a25ed63a9144afe32a4fea520412770394822c Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 18 Mar 2017 12:02:05 +0100
Subject: Add suil_init()

This allows the actual host argc and argv to be passed to QApplication if it is
created by Suil (for Qt in non-Qt cases), and initializes X11 threads to fix
Qt5 in Gtk2.
---
 src/suil_internal.h | 41 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 39 insertions(+), 2 deletions(-)

(limited to 'src/suil_internal.h')

diff --git a/src/suil_internal.h b/src/suil_internal.h
index 67f1412..4b7452f 100644
--- a/src/suil_internal.h
+++ b/src/suil_internal.h
@@ -1,5 +1,5 @@
 /*
-  Copyright 2007-2012 David Robillard <http://drobilla.net>
+  Copyright 2007-2017 David Robillard <http://drobilla.net>
 
   Permission to use, copy, modify, and/or distribute this software for any
   purpose with or without fee is hereby granted, provided that the above
@@ -18,6 +18,7 @@
 #define SUIL_INTERNAL_H
 
 #include <assert.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -49,6 +50,8 @@ struct SuilHostImpl {
 	SuilPortUnsubscribeFunc unsubscribe_func;
 	SuilTouchFunc           touch_func;
 	void*                   gtk_lib;
+	int                     argc;
+	char**                  argv;
 };
 
 struct _SuilWrapper;
@@ -92,7 +95,7 @@ typedef SuilWrapper* (*SuilWrapperNewFunc)(SuilHost*      host,
                                            LV2_Feature*** features,
                                            unsigned       n_features);
 
-/** Prototype for suil_wrapper_new in each module. */
+/** Prototype for suil_wrapper_new in each wrapper module. */
 SUIL_LIB_EXPORT
 SuilWrapper*
 suil_wrapper_new(SuilHost*      host,
@@ -101,6 +104,37 @@ suil_wrapper_new(SuilHost*      host,
                  LV2_Feature*** features,
                  unsigned       n_features);
 
+/** Prototype for suil_host_init in each init module. */
+SUIL_LIB_EXPORT
+void
+suil_host_init(void);
+
+/** Dynamically load the suil module with the given name. */
+static inline void*
+suil_open_module(const char* module_name)
+{
+	const char* const env_dir  = getenv("SUIL_MODULE_DIR");
+	const char* const mod_dir  = env_dir ? env_dir : SUIL_MODULE_DIR;
+	const size_t      path_len = strlen(mod_dir)
+		+ strlen(SUIL_DIR_SEP SUIL_MODULE_PREFIX SUIL_MODULE_EXT)
+		+ strlen(module_name)
+		+ 2;
+
+	char* const path = (char*)calloc(path_len, 1);
+	snprintf(path, path_len, "%s%s%s%s%s",
+	         mod_dir, SUIL_DIR_SEP,
+	         SUIL_MODULE_PREFIX, module_name, SUIL_MODULE_EXT);
+
+	dlerror();
+	void* lib = dlopen(path, RTLD_NOW);
+	if (!lib) {
+		SUIL_ERRORF("Failed to open module %s (%s)\n", path, dlerror());
+	}
+
+	free(path);
+	return lib;
+}
+
 typedef void (*SuilVoidFunc)(void);
 
 /** dlsym wrapper to return a function pointer (without annoying warning) */
@@ -140,6 +174,9 @@ suil_add_feature(LV2_Feature*** features,
 	*n += 1;
 }
 
+extern int    suil_argc;
+extern char** suil_argv;
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif
-- 
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