From 44b7f02e83596da86b623174d279368ec60c1af1 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 1 Oct 2009 23:33:45 +0000
Subject: more on log fix, and redirect renaming fix from nickm

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@5713 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/lv2_external_ui.h   | 101 ++++++++++++++++++++++++++++++++++++++++
 gtk2_ardour/redirect_box.cc     |   5 ++
 libs/ardour/ardour/lv2_plugin.h |   1 +
 3 files changed, 107 insertions(+)
 create mode 100644 gtk2_ardour/lv2_external_ui.h

diff --git a/gtk2_ardour/lv2_external_ui.h b/gtk2_ardour/lv2_external_ui.h
new file mode 100644
index 0000000000..242271ecc4
--- /dev/null
+++ b/gtk2_ardour/lv2_external_ui.h
@@ -0,0 +1,101 @@
+/* -*- Mode: C ; c-basic-offset: 2 -*- */
+/*****************************************************************************
+ *
+ *  This work is in public domain.
+ *
+ *  This file 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.
+ *
+ *  If you have questions, contact Nedko Arnaudov <nedko@arnaudov.name> or
+ *  ask in #lad channel, FreeNode IRC network.
+ *
+ *****************************************************************************/
+
+#ifndef LV2_EXTERNAL_UI_H__5AFE09A5_0FB7_47AF_924E_2AF0F8DE8873__INCLUDED
+#define LV2_EXTERNAL_UI_H__5AFE09A5_0FB7_47AF_924E_2AF0F8DE8873__INCLUDED
+
+/** UI extension suitable for out-of-process UIs */
+#define LV2_EXTERNAL_UI_URI "http://lv2plug.in/ns/extensions/ui#external"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#if 0
+} /* Adjust editor indent */
+#endif
+
+/**
+ * When LV2_EXTERNAL_UI_URI UI is instantiated, the returned
+ * LV2UI_Widget handle must be cast to pointer to struct lv2_external_ui.
+ * UI is created in invisible state.
+ */
+struct lv2_external_ui
+{
+  /**
+   * Host calls this function regulary. UI library implementing the
+   * callback may do IPC or redraw the UI.
+   *
+   * @param _this_ the UI context
+   */
+  void (* run)(struct lv2_external_ui * _this_);
+
+  /**
+   * Host calls this function to make the plugin UI visible.
+   *
+   * @param _this_ the UI context
+   */
+  void (* show)(struct lv2_external_ui * _this_);
+
+  /**
+   * Host calls this function to make the plugin UI invisible again.
+   *
+   * @param _this_ the UI context
+   */
+  void (* hide)(struct lv2_external_ui * _this_);
+};
+
+#define LV2_EXTERNAL_UI_RUN(ptr) (ptr)->run(ptr)
+#define LV2_EXTERNAL_UI_SHOW(ptr) (ptr)->show(ptr)
+#define LV2_EXTERNAL_UI_HIDE(ptr) (ptr)->hide(ptr)
+
+/**
+ * On UI instantiation, host must supply LV2_EXTERNAL_UI_URI
+ * feature. LV2_Feature::data must be pointer to struct lv2_external_ui_host. */
+struct lv2_external_ui_host
+{
+  /**
+   * Callback that plugin UI will call
+   * when UI (GUI window) is closed by user.
+   * This callback wil; be called during execution of lv2_external_ui::run()
+   * (i.e. not from background thread).
+   *
+   * After this callback is called, UI is defunct. Host must call
+   * LV2UI_Descriptor::cleanup(). If host wants to make the UI visible
+   * again UI must be reinstantiated.
+   *
+   * @param controller Host context associated with plugin UI, as
+   * supplied to LV2UI_Descriptor::instantiate()
+   */
+  void (* ui_closed)(LV2UI_Controller controller);
+
+  /**
+   * Optional (may be NULL) "user friendly" identifier which the UI
+   * may display to allow a user to easily associate this particular
+   * UI instance with the correct plugin instance as it is represented
+   * by the host (e.g. "track 1" or "channel 4").
+   *
+   * If supplied by host, the string will be referenced only during
+   * LV2UI_Descriptor::instantiate()
+   */
+  const char * plugin_human_id;
+};
+
+#if 0
+{ /* Adjust editor indent */
+#endif
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* #ifndef LV2_EXTERNAL_UI_H__5AFE09A5_0FB7_47AF_924E_2AF0F8DE8873__INCLUDED */
diff --git a/gtk2_ardour/redirect_box.cc b/gtk2_ardour/redirect_box.cc
index e743be2212..e092f0dbe4 100644
--- a/gtk2_ardour/redirect_box.cc
+++ b/gtk2_ardour/redirect_box.cc
@@ -920,6 +920,11 @@ RedirectBox::rename_redirect (boost::shared_ptr<Redirect> redirect)
 	case Gtk::RESPONSE_ACCEPT:
         name_prompter.get_result (result);
         if (result.length()) {
+			if (ARDOUR_UI::instance()->the_editor().get_named_time_axis(result) != 0) {
+				ARDOUR_UI::instance()->popup_error (_("A track already exists with that name"));
+				return;
+			}
+
 			redirect->set_name (result, this);
 		}	
 		break;
diff --git a/libs/ardour/ardour/lv2_plugin.h b/libs/ardour/ardour/lv2_plugin.h
index 29f3465f8b..cc5cfa3070 100644
--- a/libs/ardour/ardour/lv2_plugin.h
+++ b/libs/ardour/ardour/lv2_plugin.h
@@ -161,6 +161,7 @@ struct LV2World {
 	SLV2Value srate;
 	SLV2Value gtk_gui;
 	SLV2Value external_gui;
+	SLV2Value logarithmic;
 };
 
 
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