Keep plugin list dialog in memory

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

source/frontend/CarlaFrontend.h

@@ -51,6 +51,8 @@ typedef struct {
     uint parameterOuts;
 } PluginListDialogResults;
 
+struct PluginListDialog;
+
 // --------------------------------------------------------------------------------------------------------------------
 
 CARLA_API void
@@ -59,6 +61,12 @@ carla_frontend_createAndExecAboutJuceDialog(void* parent);
 CARLA_API const JackAppDialogResults*
 carla_frontend_createAndExecJackAppDialog(void* parent, const char* projectFilename);
 
+CARLA_API PluginListDialog*
+carla_frontend_createPluginListDialog(void* parent);
+
+CARLA_API const PluginListDialogResults*
+carla_frontend_execPluginListDialog(PluginListDialog* dialog);
+
 CARLA_API const PluginListDialogResults*
 carla_frontend_createAndExecPluginListDialog(void* parent/*, const HostSettings& hostSettings*/);
 

source/frontend/carla_frontend.py

@@ -87,7 +87,13 @@ class CarlaFrontendLib():
         self.lib.carla_frontend_createAndExecJackAppDialog.argtypes = (c_void_p, c_char_p)
         self.lib.carla_frontend_createAndExecJackAppDialog.restype = POINTER(JackApplicationDialogResults)
 
-        self.lib.carla_frontend_createAndExecPluginListDialog.argtypes = (c_void_p,) # , c_bool)
+        self.lib.carla_frontend_createPluginListDialog.argtypes = (c_void_p,)
+        self.lib.carla_frontend_createPluginListDialog.restype = c_void_p
+
+        self.lib.carla_frontend_execPluginListDialog.argtypes = (c_void_p,)
+        self.lib.carla_frontend_execPluginListDialog.restype = POINTER(PluginListDialogResults)
+
+        self.lib.carla_frontend_createAndExecPluginListDialog.argtypes = (c_void_p,)
         self.lib.carla_frontend_createAndExecPluginListDialog.restype = POINTER(PluginListDialogResults)
 
     # --------------------------------------------------------------------------------------------------------
@@ -99,6 +105,12 @@ class CarlaFrontendLib():
         return structToDictOrNull(self.lib.carla_frontend_createAndExecJackAppDialog(unwrapinstance(parent),
                                                                                      projectFilename.encode("utf-8")))
 
+    def createPluginListDialog(self, parent, useSystemIcons):
+        return self.lib.carla_frontend_createPluginListDialog(unwrapinstance(parent))
+
+    def execPluginListDialog(self, dialog):
+        return structToDictOrNull(self.lib.carla_frontend_execPluginListDialog(dialog))
+
     def createAndExecPluginListDialog(self, parent, useSystemIcons):
         return structToDictOrNull(self.lib.carla_frontend_createAndExecPluginListDialog(unwrapinstance(parent)))
 

source/frontend/carla_host.py

@@ -161,7 +161,7 @@ class HostWindow(QMainWindow):
         self.fPluginCount = 0
         self.fPluginList  = []
 
-        self.fPluginDatabaseDialog = None
+        self.fPluginListDialog = None
         self.fFavoritePlugins = []
 
         self.fProjectFilename  = ""
@@ -1208,8 +1208,10 @@ class HostWindow(QMainWindow):
 
     def showAddPluginDialog(self):
         # TODO self.fHasLoadedLv2Plugins
-        ret = gCarla.felib.createAndExecPluginListDialog(self.fParentOrSelf,
-                                                         self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS])
+        if self.fPluginListDialog is None:
+            self.fPluginListDialog = gCarla.felib.createPluginListDialog(self.fParentOrSelf,
+                                                                         self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS])
+        ret = gCarla.felib.execPluginListDialog(self.fPluginListDialog)
         print(ret)
 
         # TODO

source/frontend/pluginlist/pluginlistdialog.cpp

@@ -1901,13 +1901,17 @@ void PluginListDialog::saveSettings()
 
 // --------------------------------------------------------------------------------------------------------------------
 
-const PluginListDialogResults*
-carla_frontend_createAndExecPluginListDialog(void* const parent/*, const HostSettings& hostSettings*/)
+PluginListDialog*
+carla_frontend_createPluginListDialog(void* const parent)
 {
     const HostSettings hostSettings = {};
-    PluginListDialog gui(reinterpret_cast<QWidget*>(parent), hostSettings);
+    return new PluginListDialog(reinterpret_cast<QWidget*>(parent), hostSettings);
+}
 
-    if (gui.exec())
+const PluginListDialogResults*
+carla_frontend_execPluginListDialog(PluginListDialog* const dialog)
+{
+    if (dialog->exec())
     {
         static PluginListDialogResults ret;
         static CarlaString category;
@@ -1916,7 +1920,7 @@ carla_frontend_createAndExecPluginListDialog(void* const parent/*, const HostSet
         static CarlaString label;
         static CarlaString maker;
 
-        const PluginInfo& plugin(gui.getSelectedPluginInfo());
+        const PluginInfo& plugin(dialog->getSelectedPluginInfo());
 
         category = plugin.category.toUtf8();
         filename = plugin.filename.toUtf8();
@@ -1949,3 +1953,14 @@ carla_frontend_createAndExecPluginListDialog(void* const parent/*, const HostSet
 }
 
 // --------------------------------------------------------------------------------------------------------------------
+
+const PluginListDialogResults*
+carla_frontend_createAndExecPluginListDialog(void* const parent/*, const HostSettings& hostSettings*/)
+{
+    const HostSettings hostSettings = {};
+    PluginListDialog gui(reinterpret_cast<QWidget*>(parent), hostSettings);
+
+    return carla_frontend_execPluginListDialog(&gui);
+}
+
+// --------------------------------------------------------------------------------------------------------------------