From 3ef4abb30d17bcf5f1e47007d820be96f08636cc Mon Sep 17 00:00:00 2001
From: falkTX <falktx@gmail.com>
Date: Wed, 19 Feb 2014 15:48:13 +0000
Subject: [PATCH] progressive remove-all-plugins

---
 source/carla             | 11 +++++++--
 source/carla_host.py     | 52 ++++++++++++++++++++++++++++++++++------
 source/carla_patchbay.py |  7 +++++-
 source/carla_rack.py     |  9 +++++--
 4 files changed, 67 insertions(+), 12 deletions(-)

diff --git a/source/carla b/source/carla
index 6da4ccb5b..30da0e5d2 100755
--- a/source/carla
+++ b/source/carla
@@ -144,8 +144,15 @@ class CarlaMultiW(QTabWidget):
 
     # -----------------------------------------------------------------
 
-    def projectLoaded(self):
-        self.fPatchbay.projectLoaded()
+    def projectLoadingStarted(self):
+        self.fRack.projectLoadingStarted()
+        #self.fPatchbay.projectLoadingStarted()
+
+    def projectLoadingFinished(self):
+        self.fRack.projectLoadingFinished()
+        self.fPatchbay.projectLoadingFinished()
+
+    # -----------------------------------------------------------------
 
     def saveSettings(self, settings):
         self.fPatchbay.saveSettings(settings)
diff --git a/source/carla_host.py b/source/carla_host.py
index b8286e3e5..11c3e4088 100644
--- a/source/carla_host.py
+++ b/source/carla_host.py
@@ -94,9 +94,14 @@ class CarlaDummyW(object):
 
     # -----------------------------------------------------------------
 
-    def projectLoaded(self):
+    def projectLoadingStarted(self):
         pass
 
+    def projectLoadingFinished(self):
+        pass
+
+    # -----------------------------------------------------------------
+
     def saveSettings(self, settings):
         pass
 
@@ -357,11 +362,13 @@ class HostWindow(QMainWindow):
         if not self.fProjectFilename:
             return qCritical("ERROR: loading project without filename set")
 
+        self.fContainer.projectLoadingStarted()
         self.fIsProjectLoading = True
+
         gCarla.host.load_project(self.fProjectFilename)
-        self.fIsProjectLoading = False
 
-        self.fContainer.projectLoaded()
+        self.fIsProjectLoading = False
+        self.fContainer.projectLoadingFinished()
 
     @pyqtSlot()
     def slot_loadProjectNow(self):
@@ -894,8 +901,23 @@ class HostWindow(QMainWindow):
     @pyqtSlot()
     def slot_pluginRemoveAll(self):
         self.ui.act_plugin_remove_all.setEnabled(False)
-        self.fContainer.removeAllPlugins()
-        gCarla.host.remove_all_plugins()
+
+        count = self.fContainer.getPluginCount()
+
+        if count == 0:
+            return
+
+        self.fContainer.projectLoadingStarted()
+
+        app = QApplication.instance()
+        for i in range(count):
+            app.processEvents()
+            gCarla.host.remove_plugin(count-i-1)
+
+        self.fContainer.projectLoadingFinished()
+
+        #self.fContainer.removeAllPlugins()
+        #gCarla.host.remove_all_plugins()
 
     # -----------------------------------------------------------------
 
@@ -1125,8 +1147,24 @@ class HostWindow(QMainWindow):
 
         if gCarla.host.is_engine_running():
             gCarla.host.set_engine_about_to_close()
-            self.ui.act_plugin_remove_all.setEnabled(False)
-            self.fContainer.removeAllPlugins()
+
+            count = self.fContainer.getPluginCount()
+
+            if count > 0:
+                # simulate project loading, to disable container
+                self.ui.act_plugin_remove_all.setEnabled(False)
+                self.fContainer.projectLoadingStarted()
+
+                app = QApplication.instance()
+                for i in range(count):
+                    app.processEvents()
+                    gCarla.host.remove_plugin(count-i-1)
+
+                app.processEvents()
+
+                #self.fContainer.removeAllPlugins()
+                #gCarla.host.remove_all_plugins()
+
             self.stopEngine()
 
         QMainWindow.closeEvent(self, event)
diff --git a/source/carla_patchbay.py b/source/carla_patchbay.py
index 4fd30174c..50c2168b0 100644
--- a/source/carla_patchbay.py
+++ b/source/carla_patchbay.py
@@ -320,9 +320,14 @@ class CarlaPatchbayW(QFrame):
 
     # -----------------------------------------------------------------
 
-    def projectLoaded(self):
+    def projectLoadingStarted(self):
+        pass
+
+    def projectLoadingFinished(self):
         QTimer.singleShot(1000, self.slot_canvasRefresh)
 
+    # -----------------------------------------------------------------
+
     def saveSettings(self, settings):
         settings.setValue("ShowMeters", self.fParent.ui.act_settings_show_meters.isChecked())
         settings.setValue("ShowKeyboard", self.fParent.ui.act_settings_show_keyboard.isChecked())
diff --git a/source/carla_rack.py b/source/carla_rack.py
index 7e4a9019d..38cd29baf 100644
--- a/source/carla_rack.py
+++ b/source/carla_rack.py
@@ -395,8 +395,13 @@ class CarlaRackW(QFrame):
 
     # -----------------------------------------------------------------
 
-    def projectLoaded(self):
-        pass
+    def projectLoadingStarted(self):
+        self.fRack.setEnabled(False)
+
+    def projectLoadingFinished(self):
+        self.fRack.setEnabled(True)
+
+    # -----------------------------------------------------------------
 
     def saveSettings(self, settings):
         pass