Carla/source/frontend/carla_database.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# Carla plugin database code
# Copyright (C) 2011-2021 Filipe Coelho <falktx@falktx.com>
#
# 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 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.
#
# For a full copy of the GNU General Public License see the doc/GPL.txt file.

# ---------------------------------------------------------------------------------------------------------------------
# Imports (Global)

from copy import deepcopy
from subprocess import Popen, PIPE

from PyQt5.QtCore import pyqtSignal, pyqtSlot, Qt, QByteArray, QEventLoop, QThread
from PyQt5.QtGui import QPixmap
from PyQt5.QtWidgets import QApplication, QDialog, QDialogButtonBox, QHeaderView, QTableWidgetItem

# ---------------------------------------------------------------------------------------------------------------------
# Imports (Custom)

import ui_carla_add_jack
import ui_carla_database
import ui_carla_refresh

from carla_backend import *
from carla_shared import *
from carla_utils import getPluginTypeAsString, getPluginCategoryAsString

# ---------------------------------------------------------------------------------------------------------------------
# Try Import LADSPA-RDF

if WINDOWS:
    haveLRDF = False

elif not CXFREEZE:
    try:
        import ladspa_rdf
        import json
        haveLRDF = True
    except:
        qWarning("LRDF Support not available (LADSPA-RDF will be disabled)")
        haveLRDF = False
else:
    qWarning("LRDF Support disabled for static build (LADSPA-RDF will be disabled)")
    haveLRDF = False

# ---------------------------------------------------------------------------------------------------------------------
# Set LADSPA-RDF Path

if haveLRDF and readEnvVars:
    LADSPA_RDF_PATH_env = os.getenv("LADSPA_RDF_PATH")
    if LADSPA_RDF_PATH_env:
        try:
            ladspa_rdf.set_rdf_path(LADSPA_RDF_PATH_env.split(splitter))
        except:
            pass
    del LADSPA_RDF_PATH_env

# ---------------------------------------------------------------------------------------------------------------------
# Plugin Query (helper functions)

def findBinaries(binPath, pluginType, OS):
    binaries = []

    if OS == "HAIKU":
        extensions = ("") if pluginType == PLUGIN_VST2 else (".so",)
    elif OS == "MACOS":
        extensions = (".dylib", ".so")
    elif OS == "WINDOWS":
        extensions = (".dll",)
    else:
        extensions = (".so",)

    for root, dirs, files in os.walk(binPath):
        for name in tuple(name for name in files if name.lower().endswith(extensions)):
            binaries.append(os.path.join(root, name))

    return binaries

def findVST3Binaries(binPath):
    binaries = []

    for root, dirs, files in os.walk(binPath):
        for name in tuple(name for name in (files+dirs) if name.lower().endswith(".vst3")):
            binaries.append(os.path.join(root, name))

    return binaries

def findLV2Bundles(bundlePath):
    bundles = []

    for root, dirs, files in os.walk(bundlePath, followlinks=True):
        if root == bundlePath: continue
        if os.path.exists(os.path.join(root, "manifest.ttl")):
            bundles.append(root)

    return bundles

def findMacVSTBundles(bundlePath, isVST3):
    bundles = []
    extension = ".vst3" if isVST3 else ".vst"

    for root, dirs, files in os.walk(bundlePath, followlinks=True):
        #if root == bundlePath: continue # FIXME
        for name in tuple(name for name in dirs if name.lower().endswith(extension)):
            bundles.append(os.path.join(root, name))

    return bundles

def findFilenames(filePath, stype):
    filenames = []

    if stype == "sf2":
        extensions = (".sf2",".sf3",)
    else:
        return []

    for root, dirs, files in os.walk(filePath):
        for name in tuple(name for name in files if name.lower().endswith(extensions)):
            filenames.append(os.path.join(root, name))

    return filenames

# ---------------------------------------------------------------------------------------------------------------------
# Plugin Query

PLUGIN_QUERY_API_VERSION = 12

PyPluginInfo = {
    'API': PLUGIN_QUERY_API_VERSION,
    'valid': False,
    'build': BINARY_NONE,
    'type': PLUGIN_NONE,
    'hints': 0x0,
    'category': "",
    'filename': "",
    'name': "",
    'label': "",
    'maker': "",
    'uniqueId': 0,
    'audio.ins': 0,
    'audio.outs': 0,
    'cv.ins': 0,
    'cv.outs': 0,
    'midi.ins': 0,
    'midi.outs': 0,
    'parameters.ins': 0,
    'parameters.outs': 0
}

gDiscoveryProcess = None

def findWinePrefix(filename, recursionLimit = 10):
    if recursionLimit == 0 or len(filename) < 5 or "/" not in filename:
        return ""

    path = filename[:filename.rfind("/")]

    if os.path.isdir(path + "/dosdevices"):
        return path

    return findWinePrefix(path, recursionLimit-1)

def runCarlaDiscovery(itype, stype, filename, tool, wineSettings=None):
    if not os.path.exists(tool):
        qWarning("runCarlaDiscovery() - tool '%s' does not exist" % tool)
        return

    command = []

    if LINUX or MACOS:
        command.append("env")
        command.append("LANG=C")
        command.append("LD_PRELOAD=")
        if wineSettings is not None:
            command.append("WINEDEBUG=-all")

            if wineSettings['autoPrefix']:
                winePrefix = findWinePrefix(filename)
            else:
                winePrefix = ""

            if not winePrefix:
                envWinePrefix = os.getenv("WINEPREFIX")

                if envWinePrefix:
                    winePrefix = envWinePrefix
                elif wineSettings['fallbackPrefix']:
                    winePrefix = os.path.expanduser(wineSettings['fallbackPrefix'])
                else:
                    winePrefix = os.path.expanduser("~/.wine")

            wineCMD = wineSettings['executable'] if wineSettings['executable'] else "wine"

            if tool.endswith("64.exe") and os.path.exists(wineCMD + "64"):
                wineCMD += "64"

            command.append("WINEPREFIX=" + winePrefix)
            command.append(wineCMD)

    command.append(tool)
    command.append(stype)
    command.append(filename)

    global gDiscoveryProcess
    gDiscoveryProcess = Popen(command, stdout=PIPE)

    pinfo = None
    plugins = []
    fakeLabel = os.path.basename(filename).rsplit(".", 1)[0]

    while True:
        try:
            line = gDiscoveryProcess.stdout.readline().decode("utf-8", errors="ignore")
        except:
            print("ERROR: discovery readline failed")
            break

        # line is valid, strip it
        if line:
            line = line.strip()

        # line is invalid, try poll() again
        elif gDiscoveryProcess.poll() is None:
            continue

        # line is invalid and poll() failed, stop here
        else:
            break

        if line == "carla-discovery::init::-----------":
            pinfo = deepcopy(PyPluginInfo)
            pinfo['type']     = itype
            pinfo['filename'] = filename if filename != ":all" else ""

        elif line == "carla-discovery::end::------------":
            if pinfo is not None:
                plugins.append(pinfo)
                del pinfo
                pinfo = None

        elif line == "Segmentation fault":
            print("carla-discovery::crash::%s crashed during discovery" % filename)

        elif line.startswith("err:module:import_dll Library"):
            print(line)

        elif line.startswith("carla-discovery::info::"):
            print("%s - %s" % (line, filename))

        elif line.startswith("carla-discovery::warning::"):
            print("%s - %s" % (line, filename))

        elif line.startswith("carla-discovery::error::"):
            print("%s - %s" % (line, filename))

        elif line.startswith("carla-discovery::"):
            if pinfo == None:
                continue

            try:
                prop, value = line.replace("carla-discovery::", "").split("::", 1)
            except:
                continue

            if prop == "build":
                if value.isdigit(): pinfo['build'] = int(value)
            elif prop == "name":
                pinfo['name'] = value if value else fakeLabel
            elif prop == "label":
                pinfo['label'] = value if value else fakeLabel
            elif prop == "filename":
                pinfo['filename'] = value
            elif prop == "maker":
                pinfo['maker'] = value
            elif prop == "category":
                pinfo['category'] = value
            elif prop == "uniqueId":
                if value.isdigit(): pinfo['uniqueId'] = int(value)
            elif prop == "hints":
                if value.isdigit(): pinfo['hints'] = int(value)
            elif prop == "audio.ins":
                if value.isdigit(): pinfo['audio.ins'] = int(value)
            elif prop == "audio.outs":
                if value.isdigit(): pinfo['audio.outs'] = int(value)
            elif prop == "cv.ins":
                if value.isdigit(): pinfo['cv.ins'] = int(value)
            elif prop == "cv.outs":
                if value.isdigit(): pinfo['cv.outs'] = int(value)
            elif prop == "midi.ins":
                if value.isdigit(): pinfo['midi.ins'] = int(value)
            elif prop == "midi.outs":
                if value.isdigit(): pinfo['midi.outs'] = int(value)
            elif prop == "parameters.ins":
                if value.isdigit(): pinfo['parameters.ins'] = int(value)
            elif prop == "parameters.outs":
                if value.isdigit(): pinfo['parameters.outs'] = int(value)
            elif prop == "uri":
                if value:
                    pinfo['label'] = value
                else:
                    # cannot use empty URIs
                    del pinfo
                    pinfo = None
                    continue
            else:
                print("%s - %s (unknown property)" % (line, filename))

    tmp = gDiscoveryProcess
    gDiscoveryProcess = None
    del tmp

    return plugins

def killDiscovery():
    global gDiscoveryProcess

    if gDiscoveryProcess is not None:
        gDiscoveryProcess.kill()

def checkPluginCached(desc, ptype):
    pinfo = deepcopy(PyPluginInfo)
    pinfo['build'] = BINARY_NATIVE
    pinfo['type']  = ptype
    pinfo['hints'] = desc['hints']
    pinfo['name']  = desc['name']
    pinfo['label'] = desc['label']
    pinfo['maker'] = desc['maker']
    pinfo['category'] = getPluginCategoryAsString(desc['category'])

    pinfo['audio.ins']  = desc['audioIns']
    pinfo['audio.outs'] = desc['audioOuts']

    pinfo['cv.ins']  = desc['cvIns']
    pinfo['cv.outs'] = desc['cvOuts']

    pinfo['midi.ins']  = desc['midiIns']
    pinfo['midi.outs'] = desc['midiOuts']

    pinfo['parameters.ins']  = desc['parameterIns']
    pinfo['parameters.outs'] = desc['parameterOuts']

    if ptype == PLUGIN_LV2:
        pinfo['filename'], pinfo['label'] = pinfo['label'].split('\\' if WINDOWS else '/',1)

    elif ptype == PLUGIN_SFZ:
        pinfo['filename'] = pinfo['label']
        pinfo['label']    = pinfo['name']

    return pinfo

def checkPluginLADSPA(filename, tool, wineSettings=None):
    return runCarlaDiscovery(PLUGIN_LADSPA, "LADSPA", filename, tool, wineSettings)

def checkPluginDSSI(filename, tool, wineSettings=None):
    return runCarlaDiscovery(PLUGIN_DSSI, "DSSI", filename, tool, wineSettings)

def checkPluginLV2(filename, tool, wineSettings=None):
    return runCarlaDiscovery(PLUGIN_LV2, "LV2", filename, tool, wineSettings)

def checkPluginVST2(filename, tool, wineSettings=None):
    return runCarlaDiscovery(PLUGIN_VST2, "VST2", filename, tool, wineSettings)

def checkPluginVST3(filename, tool, wineSettings=None):
    return runCarlaDiscovery(PLUGIN_VST3, "VST3", filename, tool, wineSettings)

def checkFileSF2(filename, tool):
    return runCarlaDiscovery(PLUGIN_SF2, "SF2", filename, tool)

def checkFileSFZ(filename, tool):
    return runCarlaDiscovery(PLUGIN_SFZ, "SFZ", filename, tool)

def checkAllPluginsAU(tool):
    return runCarlaDiscovery(PLUGIN_AU, "AU", ":all", tool)

# ---------------------------------------------------------------------------------------------------------------------
# Separate Thread for Plugin Search

class SearchPluginsThread(QThread):
    pluginLook = pyqtSignal(float, str)

    def __init__(self, parent, pathBinaries):
        QThread.__init__(self, parent)

        self.fContinueChecking = False
        self.fPathBinaries     = pathBinaries

        self.fCheckNative  = False
        self.fCheckPosix32 = False
        self.fCheckPosix64 = False
        self.fCheckWin32   = False
        self.fCheckWin64   = False

        self.fCheckLADSPA = False
        self.fCheckDSSI   = False
        self.fCheckLV2    = False
        self.fCheckVST2   = False
        self.fCheckVST3   = False
        self.fCheckAU     = False
        self.fCheckSF2    = False
        self.fCheckSFZ    = False
        self.fCheckJSFX   = False

        if WINDOWS:
            toolNative = "carla-discovery-native.exe"
            self.fWineSettings = None

        else:
            toolNative = "carla-discovery-native"
            settings = QSafeSettings("falkTX", "Carla2")
            self.fWineSettings = {
                'executable'    : settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, str),
                'autoPrefix'    : settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, bool),
                'fallbackPrefix': settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, str)
            }
            del settings

        self.fToolNative = os.path.join(pathBinaries, toolNative)

        if not os.path.exists(self.fToolNative):
            self.fToolNative = ""

        self.fCurCount = 0
        self.fCurPercentValue = 0
        self.fLastCheckValue  = 0
        self.fSomethingChanged = False

        # -------------------------------------------------------------

    def hasSomethingChanged(self):
        return self.fSomethingChanged

    def setSearchBinaryTypes(self, native, posix32, posix64, win32, win64):
        self.fCheckNative  = native
        self.fCheckPosix32 = posix32
        self.fCheckPosix64 = posix64
        self.fCheckWin32   = win32
        self.fCheckWin64   = win64

    def setSearchPluginTypes(self, ladspa, dssi, lv2, vst2, vst3, au, sf2, sfz, jsfx):
        self.fCheckLADSPA = ladspa
        self.fCheckDSSI   = dssi
        self.fCheckLV2    = lv2
        self.fCheckVST2   = vst2
        self.fCheckVST3   = vst3 and (LINUX or MACOS or WINDOWS)
        self.fCheckAU     = au and MACOS
        self.fCheckSF2    = sf2
        self.fCheckSFZ    = sfz
        self.fCheckJSFX   = jsfx

    def stop(self):
        self.fContinueChecking = False

    def run(self):
        settingsDB = QSafeSettings("falkTX", "CarlaPlugins5")

        self.fContinueChecking = True
        self.fCurCount = 0

        # looking for plugins via external discovery
        pluginCount = 0

        if self.fCheckLADSPA: pluginCount += 1
        if self.fCheckDSSI:   pluginCount += 1
        if self.fCheckVST2:   pluginCount += 1
        if self.fCheckVST3:   pluginCount += 1

        # Increase count by the number of externally discoverable plugin types
        if self.fCheckNative:
            self.fCurCount += pluginCount
            # Linux, MacOS and Windows are the only VST3 supported OSes
            if self.fCheckVST3 and not (LINUX or MACOS or WINDOWS):
                self.fCurCount -= 1

        if self.fCheckPosix32:
            self.fCurCount += pluginCount
            if self.fCheckVST3 and not (LINUX or MACOS):
                self.fCurCount -= 1

        if self.fCheckPosix64:
            self.fCurCount += pluginCount
            if self.fCheckVST3 and not (LINUX or MACOS):
                self.fCurCount -= 1

        if self.fCheckWin32:
            self.fCurCount += pluginCount

        if self.fCheckWin64:
            self.fCurCount += pluginCount

        # Special case for cached plugins, only "search" for native plugins (does not need tool)
        if self.fCheckLV2:
            if self.fCheckNative:
                self.fCurCount += 1
            else:
                self.fCheckLV2 = False

        if self.fCheckAU:
            if self.fCheckNative or self.fCheckPosix32:
                self.fCurCount += int(self.fCheckNative) + int(self.fCheckPosix32)
            else:
                self.fCheckAU = False

        if self.fCheckSFZ:
            if self.fCheckNative:
                self.fCurCount += 1
            else:
                self.fCheckSFZ = False

        # Special case for Sound Kits, only search native
        if self.fCheckNative and self.fToolNative:
            if self.fCheckSF2: self.fCurCount += 1
        else:
            self.fCheckSF2 = False

        if self.fCheckJSFX:
            if self.fCheckNative:
                self.fCurCount += 1
            else:
                self.fCheckJSFX = False

        if self.fCurCount == 0:
            return

        self.fCurPercentValue = 100.0 / self.fCurCount
        self.fLastCheckValue  = 0.0

        del pluginCount

        if HAIKU:
            OS = "HAIKU"
        elif LINUX:
            OS = "LINUX"
        elif MACOS:
            OS = "MACOS"
        elif WINDOWS:
            OS = "WINDOWS"
        else:
            OS = "UNKNOWN"

        if not self.fContinueChecking: return

        self.fSomethingChanged = True

        if self.fCheckLADSPA:
            checkValue = 0.0
            if haveLRDF:
                if self.fCheckNative:  checkValue += 0.1
                if self.fCheckPosix32: checkValue += 0.1
                if self.fCheckPosix64: checkValue += 0.1
                if self.fCheckWin32:   checkValue += 0.1
                if self.fCheckWin64:   checkValue += 0.1
            rdfPadValue = self.fCurPercentValue * checkValue

            if self.fCheckNative:
                plugins = self._checkLADSPA(OS, self.fToolNative)
                settingsDB.setValue("Plugins/LADSPA_native", plugins)
                if not self.fContinueChecking: return

            if self.fCheckPosix32:
                plugins = self._checkLADSPA(OS, os.path.join(self.fPathBinaries, "carla-discovery-posix32"))
                settingsDB.setValue("Plugins/LADSPA_posix32", plugins)
                if not self.fContinueChecking: return

            if self.fCheckPosix64:
                plugins = self._checkLADSPA(OS, os.path.join(self.fPathBinaries, "carla-discovery-posix64"))
                settingsDB.setValue("Plugins/LADSPA_posix64", plugins)
                if not self.fContinueChecking: return

            if self.fCheckWin32:
                plugins = self._checkLADSPA("WINDOWS", os.path.join(self.fPathBinaries, "carla-discovery-win32.exe"), not WINDOWS)
                settingsDB.setValue("Plugins/LADSPA_win32", plugins)
                if not self.fContinueChecking: return

            if self.fCheckWin64:
                plugins = self._checkLADSPA("WINDOWS", os.path.join(self.fPathBinaries, "carla-discovery-win64.exe"), not WINDOWS)
                settingsDB.setValue("Plugins/LADSPA_win64", plugins)

            settingsDB.sync()
            if not self.fContinueChecking: return

            if haveLRDF and checkValue > 0:
                startValue = self.fLastCheckValue - rdfPadValue

                self._pluginLook(startValue, "LADSPA RDFs...")
                try:
                    ladspaRdfInfo = ladspa_rdf.recheck_all_plugins(self, startValue, self.fCurPercentValue, checkValue)
                except:
                    ladspaRdfInfo = None

                if ladspaRdfInfo is not None:
                    settingsDir = os.path.join(HOME, ".config", "falkTX")
                    fdLadspa    = open(os.path.join(settingsDir, "ladspa_rdf.db"), 'w')
                    json.dump(ladspaRdfInfo, fdLadspa)
                    fdLadspa.close()

                if not self.fContinueChecking: return

        if self.fCheckDSSI:
            if self.fCheckNative:
                plugins = self._checkDSSI(OS, self.fToolNative)
                settingsDB.setValue("Plugins/DSSI_native", plugins)
                if not self.fContinueChecking: return

            if self.fCheckPosix32:
                plugins = self._checkDSSI(OS, os.path.join(self.fPathBinaries, "carla-discovery-posix32"))
                settingsDB.setValue("Plugins/DSSI_posix32", plugins)
                if not self.fContinueChecking: return

            if self.fCheckPosix64:
                plugins = self._checkDSSI(OS, os.path.join(self.fPathBinaries, "carla-discovery-posix64"))
                settingsDB.setValue("Plugins/DSSI_posix64", plugins)
                if not self.fContinueChecking: return

            if self.fCheckWin32:
                plugins = self._checkDSSI("WINDOWS", os.path.join(self.fPathBinaries, "carla-discovery-win32.exe"), not WINDOWS)
                settingsDB.setValue("Plugins/DSSI_win32", plugins)
                if not self.fContinueChecking: return

            if self.fCheckWin64:
                plugins = self._checkDSSI("WINDOWS", os.path.join(self.fPathBinaries, "carla-discovery-win64.exe"), not WINDOWS)
                settingsDB.setValue("Plugins/DSSI_win64", plugins)

            settingsDB.sync()
            if not self.fContinueChecking: return

        if self.fCheckLV2:
            plugins = self._checkCached(True)
            settingsDB.setValue("Plugins/LV2", plugins)
            settingsDB.sync()
            if not self.fContinueChecking: return

        if self.fCheckVST2:
            if self.fCheckNative:
                plugins = self._checkVST2(OS, self.fToolNative)
                settingsDB.setValue("Plugins/VST2_native", plugins)
                if not self.fContinueChecking: return

            if self.fCheckPosix32:
                plugins = self._checkVST2(OS, os.path.join(self.fPathBinaries, "carla-discovery-posix32"))
                settingsDB.setValue("Plugins/VST2_posix32", plugins)
                if not self.fContinueChecking: return

            if self.fCheckPosix64:
                plugins = self._checkVST2(OS, os.path.join(self.fPathBinaries, "carla-discovery-posix64"))
                settingsDB.setValue("Plugins/VST2_posix64", plugins)
                if not self.fContinueChecking: return

            if self.fCheckWin32:
                plugins = self._checkVST2("WINDOWS", os.path.join(self.fPathBinaries, "carla-discovery-win32.exe"), not WINDOWS)
                settingsDB.setValue("Plugins/VST2_win32", plugins)
                if not self.fContinueChecking: return

            if self.fCheckWin64:
                plugins = self._checkVST2("WINDOWS", os.path.join(self.fPathBinaries, "carla-discovery-win64.exe"), not WINDOWS)
                settingsDB.setValue("Plugins/VST2_win64", plugins)
                if not self.fContinueChecking: return

            settingsDB.sync()
            if not self.fContinueChecking: return

        if self.fCheckVST3:
            if self.fCheckNative and (LINUX or MACOS or WINDOWS):
                plugins = self._checkVST3(OS, self.fToolNative)
                settingsDB.setValue("Plugins/VST3_native", plugins)
                if not self.fContinueChecking: return

            if self.fCheckPosix32:
                plugins = self._checkVST3(OS, os.path.join(self.fPathBinaries, "carla-discovery-posix32"))
                settingsDB.setValue("Plugins/VST3_posix32", plugins)
                if not self.fContinueChecking: return

            if self.fCheckPosix64:
                plugins = self._checkVST3(OS, os.path.join(self.fPathBinaries, "carla-discovery-posix64"))
                settingsDB.setValue("Plugins/VST3_posix64", plugins)
                if not self.fContinueChecking: return

            if self.fCheckWin32:
                plugins = self._checkVST3("WINDOWS", os.path.join(self.fPathBinaries, "carla-discovery-win32.exe"), not WINDOWS)
                settingsDB.setValue("Plugins/VST3_win32", plugins)
                if not self.fContinueChecking: return

            if self.fCheckWin64:
                plugins = self._checkVST3("WINDOWS", os.path.join(self.fPathBinaries, "carla-discovery-win64.exe"), not WINDOWS)
                settingsDB.setValue("Plugins/VST3_win64", plugins)
                if not self.fContinueChecking: return

            settingsDB.sync()
            if not self.fContinueChecking: return

        if self.fCheckAU:
            if self.fCheckNative:
                plugins = self._checkCached(False)
                settingsDB.setValue("Plugins/AU", plugins)
                settingsDB.sync()
                if not self.fContinueChecking: return

            if self.fCheckPosix32:
                plugins = self._checkAU(os.path.join(self.fPathBinaries, "carla-discovery-posix32"))
                settingsDB.setValue("Plugins/AU_posix32", self.fAuPlugins)
                if not self.fContinueChecking: return

            settingsDB.sync()
            if not self.fContinueChecking: return

        if self.fCheckSF2:
            settings = QSafeSettings("falkTX", "Carla2")
            SF2_PATH = settings.value(CARLA_KEY_PATHS_SF2, CARLA_DEFAULT_SF2_PATH, list)
            del settings

            kits = self._checkKIT(SF2_PATH, "sf2")
            settingsDB.setValue("Plugins/SF2", kits)
            settingsDB.sync()
            if not self.fContinueChecking: return

        if self.fCheckSFZ:
            kits = self._checkSfzCached()
            settingsDB.setValue("Plugins/SFZ", kits)
            settingsDB.sync()

        if self.fCheckJSFX:
            kits = self._checkJsfxCached()
            settingsDB.setValue("Plugins/JSFX", kits)
            settingsDB.sync()

    def _checkLADSPA(self, OS, tool, isWine=False):
        ladspaBinaries = []
        ladspaPlugins = []

        self._pluginLook(self.fLastCheckValue, "LADSPA plugins...")

        settings = QSafeSettings("falkTX", "Carla2")
        LADSPA_PATH = settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH, list)
        del settings

        for iPATH in LADSPA_PATH:
            binaries = findBinaries(iPATH, PLUGIN_LADSPA, OS)
            for binary in binaries:
                if binary not in ladspaBinaries:
                    ladspaBinaries.append(binary)

        ladspaBinaries.sort()

        if not self.fContinueChecking:
            return ladspaPlugins

        for i in range(len(ladspaBinaries)):
            ladspa  = ladspaBinaries[i]
            percent = ( float(i) / len(ladspaBinaries) ) * self.fCurPercentValue
            self._pluginLook((self.fLastCheckValue + percent) * 0.9, ladspa)

            plugins = checkPluginLADSPA(ladspa, tool, self.fWineSettings if isWine else None)
            if plugins:
                ladspaPlugins.append(plugins)

            if not self.fContinueChecking:
                break

        self.fLastCheckValue += self.fCurPercentValue
        return ladspaPlugins

    def _checkDSSI(self, OS, tool, isWine=False):
        dssiBinaries = []
        dssiPlugins = []

        self._pluginLook(self.fLastCheckValue, "DSSI plugins...")

        settings = QSafeSettings("falkTX", "Carla2")
        DSSI_PATH = settings.value(CARLA_KEY_PATHS_DSSI, CARLA_DEFAULT_DSSI_PATH, list)
        del settings

        for iPATH in DSSI_PATH:
            binaries = findBinaries(iPATH, PLUGIN_DSSI, OS)
            for binary in binaries:
                if binary not in dssiBinaries:
                    dssiBinaries.append(binary)

        dssiBinaries.sort()

        if not self.fContinueChecking:
            return dssiPlugins

        for i in range(len(dssiBinaries)):
            dssi    = dssiBinaries[i]
            percent = ( float(i) / len(dssiBinaries) ) * self.fCurPercentValue
            self._pluginLook(self.fLastCheckValue + percent, dssi)

            plugins = checkPluginDSSI(dssi, tool, self.fWineSettings if isWine else None)
            if plugins:
                dssiPlugins.append(plugins)

            if not self.fContinueChecking:
                break

        self.fLastCheckValue += self.fCurPercentValue
        return dssiPlugins

    def _checkVST2(self, OS, tool, isWine=False):
        vst2Binaries = []
        vst2Plugins = []

        if MACOS and not isWine:
            self._pluginLook(self.fLastCheckValue, "VST2 bundles...")
        else:
            self._pluginLook(self.fLastCheckValue, "VST2 plugins...")

        settings = QSafeSettings("falkTX", "Carla2")
        VST2_PATH = settings.value(CARLA_KEY_PATHS_VST2, CARLA_DEFAULT_VST2_PATH, list)
        del settings

        for iPATH in VST2_PATH:
            if MACOS and not isWine:
                binaries = findMacVSTBundles(iPATH, False)
            else:
                binaries = findBinaries(iPATH, PLUGIN_VST2, OS)
            for binary in binaries:
                if binary not in vst2Binaries:
                    vst2Binaries.append(binary)

        vst2Binaries.sort()

        if not self.fContinueChecking:
            return vst2Plugins

        for i in range(len(vst2Binaries)):
            vst2    = vst2Binaries[i]
            percent = ( float(i) / len(vst2Binaries) ) * self.fCurPercentValue
            self._pluginLook(self.fLastCheckValue + percent, vst2)

            plugins = checkPluginVST2(vst2, tool, self.fWineSettings if isWine else None)
            if plugins:
                vst2Plugins.append(plugins)

            if not self.fContinueChecking:
                break

        self.fLastCheckValue += self.fCurPercentValue
        return vst2Plugins

    def _checkVST3(self, OS, tool, isWine=False):
        vst3Binaries = []
        vst3Plugins = []

        if MACOS and not isWine:
            self._pluginLook(self.fLastCheckValue, "VST2 bundles...")
        else:
            self._pluginLook(self.fLastCheckValue, "VST2 plugins...")

        settings = QSafeSettings("falkTX", "Carla2")
        VST3_PATH = settings.value(CARLA_KEY_PATHS_VST3, CARLA_DEFAULT_VST3_PATH, list)
        del settings

        for iPATH in VST3_PATH:
            if MACOS and not isWine:
                binaries = findMacVSTBundles(iPATH, True)
            else:
                binaries = findVST3Binaries(iPATH)
            for binary in binaries:
                if binary not in vst3Binaries:
                    vst3Binaries.append(binary)

        vst3Binaries.sort()

        if not self.fContinueChecking:
            return vst3Plugins

        for i in range(len(vst3Binaries)):
            vst3    = vst3Binaries[i]
            percent = ( float(i) / len(vst3Binaries) ) * self.fCurPercentValue
            self._pluginLook(self.fLastCheckValue + percent, vst3)

            plugins = checkPluginVST3(vst3, tool, self.fWineSettings if isWine else None)
            if plugins:
                vst3Plugins.append(plugins)

            if not self.fContinueChecking:
                break

        self.fLastCheckValue += self.fCurPercentValue
        return vst3Plugins

    def _checkAU(self, tool):
        auPlugins = []

        plugins = checkAllPluginsAU(tool)
        if plugins:
            auPlugins.append(plugins)

        self.fLastCheckValue += self.fCurPercentValue
        return auPlugins

    def _checkKIT(self, kitPATH, kitExtension):
        kitFiles = []
        kitPlugins = []

        for iPATH in kitPATH:
            files = findFilenames(iPATH, kitExtension)
            for file_ in files:
                if file_ not in kitFiles:
                    kitFiles.append(file_)

        kitFiles.sort()

        if not self.fContinueChecking:
            return kitPlugins

        for i in range(len(kitFiles)):
            kit     = kitFiles[i]
            percent = ( float(i) / len(kitFiles) ) * self.fCurPercentValue
            self._pluginLook(self.fLastCheckValue + percent, kit)

            if kitExtension == "sf2":
                plugins = checkFileSF2(kit, self.fToolNative)
            else:
                plugins = None

            if plugins:
                kitPlugins.append(plugins)

            if not self.fContinueChecking:
                break

        self.fLastCheckValue += self.fCurPercentValue
        return kitPlugins

    def _checkCached(self, isLV2):
        if isLV2:
            settings  = QSafeSettings("falkTX", "Carla2")
            PLUG_PATH = splitter.join(settings.value(CARLA_KEY_PATHS_LV2, CARLA_DEFAULT_LV2_PATH, list))
            del settings
            PLUG_TEXT = "LV2"
            PLUG_TYPE = PLUGIN_LV2
        else: # AU
            PLUG_PATH = ""
            PLUG_TEXT = "AU"
            PLUG_TYPE = PLUGIN_AU

        plugins = []
        self._pluginLook(self.fLastCheckValue, "{} plugins...".format(PLUG_TEXT))

        if not isLV2:
            gCarla.utils.juce_init()

        count = gCarla.utils.get_cached_plugin_count(PLUG_TYPE, PLUG_PATH)

        if not self.fContinueChecking:
            return plugins

        for i in range(count):
            descInfo = gCarla.utils.get_cached_plugin_info(PLUG_TYPE, i)

            percent = ( float(i) / count ) * self.fCurPercentValue
            self._pluginLook(self.fLastCheckValue + percent, descInfo['label'])

            if not descInfo['valid']:
                continue

            plugins.append(checkPluginCached(descInfo, PLUG_TYPE))

            if not self.fContinueChecking:
                break

        if not isLV2:
            gCarla.utils.juce_cleanup()

        self.fLastCheckValue += self.fCurPercentValue
        return plugins

    def _checkSfzCached(self):
        settings  = QSafeSettings("falkTX", "Carla2")
        PLUG_PATH = splitter.join(settings.value(CARLA_KEY_PATHS_SFZ, CARLA_DEFAULT_SFZ_PATH, list))
        del settings

        sfzKits = []
        self._pluginLook(self.fLastCheckValue, "SFZ kits...")

        count = gCarla.utils.get_cached_plugin_count(PLUGIN_SFZ, PLUG_PATH)

        if not self.fContinueChecking:
            return sfzKits

        for i in range(count):
            descInfo = gCarla.utils.get_cached_plugin_info(PLUGIN_SFZ, i)

            percent = ( float(i) / count ) * self.fCurPercentValue
            self._pluginLook(self.fLastCheckValue + percent, descInfo['label'])

            if not descInfo['valid']:
                continue

            sfzKits.append(checkPluginCached(descInfo, PLUGIN_SFZ))

            if not self.fContinueChecking:
                break

        self.fLastCheckValue += self.fCurPercentValue
        return sfzKits

    def _checkJsfxCached(self):
        settings  = QSafeSettings("falkTX", "Carla2")
        PLUG_PATH = splitter.join(settings.value(CARLA_KEY_PATHS_JSFX, CARLA_DEFAULT_JSFX_PATH, list))
        del settings

        jsfxPlugins = []
        self._pluginLook(self.fLastCheckValue, "JSFX plugins...")

        count = gCarla.utils.get_cached_plugin_count(PLUGIN_JSFX, PLUG_PATH)

        if not self.fContinueChecking:
            return jsfxPlugins

        for i in range(count):
            descInfo = gCarla.utils.get_cached_plugin_info(PLUGIN_JSFX, i)

            percent = ( float(i) / count ) * self.fCurPercentValue
            self._pluginLook(self.fLastCheckValue + percent, descInfo['label'])

            if not descInfo['valid']:
                continue

            jsfxPlugins.append(checkPluginCached(descInfo, PLUGIN_JSFX))

            if not self.fContinueChecking:
                break

        self.fLastCheckValue += self.fCurPercentValue
        return jsfxPlugins

    def _pluginLook(self, percent, plugin):
        self.pluginLook.emit(percent, plugin)

# ---------------------------------------------------------------------------------------------------------------------
# Plugin Refresh Dialog

class PluginRefreshW(QDialog):
    def __init__(self, parent, host, useSystemIcons, hasLoadedLv2Plugins):
        QDialog.__init__(self, parent)
        self.host = host
        self.ui = ui_carla_refresh.Ui_PluginRefreshW()
        self.ui.setupUi(self)

        # -------------------------------------------------------------------------------------------------------------
        # Internal stuff

        toolNative = "carla-discovery-native.exe" if WINDOWS else "carla-discovery-native"
        hasNative  = os.path.exists(os.path.join(self.host.pathBinaries, toolNative))
        hasPosix32 = os.path.exists(os.path.join(self.host.pathBinaries, "carla-discovery-posix32"))
        hasPosix64 = os.path.exists(os.path.join(self.host.pathBinaries, "carla-discovery-posix64"))
        hasWin32   = os.path.exists(os.path.join(self.host.pathBinaries, "carla-discovery-win32.exe"))
        hasWin64   = os.path.exists(os.path.join(self.host.pathBinaries, "carla-discovery-win64.exe"))

        self.fThread = SearchPluginsThread(self, host.pathBinaries)

        # -------------------------------------------------------------------------------------------------------------
        # Set-up Icons

        if useSystemIcons:
            self.ui.b_start.setIcon(getIcon('arrow-right', 16, 'svgz'))
            self.ui.b_close.setIcon(getIcon('window-close', 16, 'svgz'))
            if QT_VERSION >= 0x50600:
                size = int(16 * self.devicePixelRatioF())
            else:
                size = 16
            self.fIconYes = QPixmap(getIcon('dialog-ok-apply', 16, 'svgz').pixmap(size))
            self.fIconNo  = QPixmap(getIcon('dialog-error', 16, 'svgz').pixmap(size))
        else:
            self.fIconYes = QPixmap(":/16x16/dialog-ok-apply.svgz")
            self.fIconNo  = QPixmap(":/16x16/dialog-error.svgz")

        # -------------------------------------------------------------------------------------------------------------
        # Set-up GUI

        self.ui.b_skip.setVisible(False)

        if HAIKU:
            self.ui.ch_posix32.setText("Haiku 32bit")
            self.ui.ch_posix64.setText("Haiku 64bit")
        elif LINUX:
            self.ui.ch_posix32.setText("Linux 32bit")
            self.ui.ch_posix64.setText("Linux 64bit")
        elif MACOS:
            self.ui.ch_posix32.setText("MacOS 32bit")
            self.ui.ch_posix64.setText("MacOS 64bit")

        if hasPosix32 and not WINDOWS:
            self.ui.ico_posix32.setPixmap(self.fIconYes)
        else:
            self.ui.ico_posix32.setPixmap(self.fIconNo)
            self.ui.ch_posix32.setEnabled(False)

        if hasPosix64 and not WINDOWS:
            self.ui.ico_posix64.setPixmap(self.fIconYes)
        else:
            self.ui.ico_posix64.setPixmap(self.fIconNo)
            self.ui.ch_posix64.setEnabled(False)

        if hasWin32:
            self.ui.ico_win32.setPixmap(self.fIconYes)
        else:
            self.ui.ico_win32.setPixmap(self.fIconNo)
            self.ui.ch_win32.setEnabled(False)

        if hasWin64:
            self.ui.ico_win64.setPixmap(self.fIconYes)
        else:
            self.ui.ico_win64.setPixmap(self.fIconNo)
            self.ui.ch_win64.setEnabled(False)

        if haveLRDF:
            self.ui.ico_rdflib.setPixmap(self.fIconYes)
        else:
            self.ui.ico_rdflib.setPixmap(self.fIconNo)

        if WINDOWS:
            if kIs64bit:
                hasNonNative = hasWin32
                self.ui.ch_win64.setEnabled(False)
                self.ui.ch_win64.setVisible(False)
                self.ui.ico_win64.setVisible(False)
                self.ui.label_win64.setVisible(False)
            else:
                hasNonNative = hasWin64
                self.ui.ch_win32.setEnabled(False)
                self.ui.ch_win32.setVisible(False)
                self.ui.ico_win32.setVisible(False)
                self.ui.label_win32.setVisible(False)

            self.ui.ch_posix32.setEnabled(False)
            self.ui.ch_posix32.setVisible(False)
            self.ui.ch_posix64.setEnabled(False)
            self.ui.ch_posix64.setVisible(False)
            self.ui.ico_posix32.hide()
            self.ui.ico_posix64.hide()
            self.ui.label_posix32.hide()
            self.ui.label_posix64.hide()
            self.ui.ico_rdflib.hide()
            self.ui.label_rdflib.hide()

        else:
            if kIs64bit:
                hasNonNative = bool(hasPosix32 or hasWin32 or hasWin64)
                self.ui.ch_posix64.setEnabled(False)
                self.ui.ch_posix64.setVisible(False)
                self.ui.ico_posix64.setVisible(False)
                self.ui.label_posix64.setVisible(False)
            else:
                hasNonNative = bool(hasPosix64 or hasWin32 or hasWin64)
                self.ui.ch_posix32.setEnabled(False)
                self.ui.ch_posix32.setVisible(False)
                self.ui.ico_posix32.setVisible(False)
                self.ui.label_posix32.setVisible(False)

                if not (LINUX or hasWin32 or hasWin64):
                    self.ui.ch_vst3.setEnabled(False)
                    self.ui.ch_vst3.setVisible(False)

        if MACOS:
            self.setWindowModality(Qt.WindowModal)
        else:
            self.ui.ch_au.setEnabled(False)
            self.ui.ch_au.setVisible(False)

        if hasNative:
            self.ui.ico_native.setPixmap(self.fIconYes)
        else:
            self.ui.ico_native.setPixmap(self.fIconNo)
            self.ui.ch_native.setEnabled(False)
            self.ui.ch_sf2.setEnabled(False)
            if not hasNonNative:
                self.ui.ch_ladspa.setEnabled(False)
                self.ui.ch_dssi.setEnabled(False)
                self.ui.ch_vst.setEnabled(False)
                self.ui.ch_vst3.setEnabled(False)

        if not hasLoadedLv2Plugins:
            self.ui.lv2_restart_notice.hide()

        self.setWindowFlags(self.windowFlags() & ~Qt.WindowContextHelpButtonHint)

        # -------------------------------------------------------------------------------------------------------------
        # Load settings

        self.loadSettings()

        # -------------------------------------------------------------------------------------------------------------
        # Hide bridges if disabled

        # NOTE: We Assume win32 carla build will not run win64 plugins
        if (WINDOWS and not kIs64bit) or not host.showPluginBridges:
            self.ui.ch_native.setChecked(True)
            self.ui.ch_native.setEnabled(False)
            self.ui.ch_native.setVisible(False)
            self.ui.ch_posix32.setChecked(False)
            self.ui.ch_posix32.setEnabled(False)
            self.ui.ch_posix32.setVisible(False)
            self.ui.ch_posix64.setChecked(False)
            self.ui.ch_posix64.setEnabled(False)
            self.ui.ch_posix64.setVisible(False)
            self.ui.ch_win32.setChecked(False)
            self.ui.ch_win32.setEnabled(False)
            self.ui.ch_win32.setVisible(False)
            self.ui.ch_win64.setChecked(False)
            self.ui.ch_win64.setEnabled(False)
            self.ui.ch_win64.setVisible(False)
            self.ui.ico_posix32.hide()
            self.ui.ico_posix64.hide()
            self.ui.ico_win32.hide()
            self.ui.ico_win64.hide()
            self.ui.label_posix32.hide()
            self.ui.label_posix64.hide()
            self.ui.label_win32.hide()
            self.ui.label_win64.hide()
            self.ui.sep_format.hide()

        elif not (WINDOWS or host.showWineBridges):
            self.ui.ch_win32.setChecked(False)
            self.ui.ch_win32.setEnabled(False)
            self.ui.ch_win32.setVisible(False)
            self.ui.ch_win64.setChecked(False)
            self.ui.ch_win64.setEnabled(False)
            self.ui.ch_win64.setVisible(False)
            self.ui.ico_win32.hide()
            self.ui.ico_win64.hide()
            self.ui.label_win32.hide()
            self.ui.label_win64.hide()

        # Disable non-supported features
        features = gCarla.utils.get_supported_features()

        if "sf2" not in features:
            self.ui.ch_sf2.setChecked(False)
            self.ui.ch_sf2.setEnabled(False)

        if MACOS and "juce" not in features:
            self.ui.ch_au.setChecked(False)
            self.ui.ch_au.setEnabled(False)

        # -------------------------------------------------------------------------------------------------------------
        # Resize to minimum size, as it's very likely UI stuff was hidden

        self.resize(self.minimumSize())

        # -------------------------------------------------------------------------------------------------------------
        # Set-up connections

        self.finished.connect(self.slot_saveSettings)
        self.ui.b_start.clicked.connect(self.slot_start)
        self.ui.b_skip.clicked.connect(self.slot_skip)
        self.ui.ch_native.clicked.connect(self.slot_checkTools)
        self.ui.ch_posix32.clicked.connect(self.slot_checkTools)
        self.ui.ch_posix64.clicked.connect(self.slot_checkTools)
        self.ui.ch_win32.clicked.connect(self.slot_checkTools)
        self.ui.ch_win64.clicked.connect(self.slot_checkTools)
        self.ui.ch_ladspa.clicked.connect(self.slot_checkTools)
        self.ui.ch_dssi.clicked.connect(self.slot_checkTools)
        self.ui.ch_lv2.clicked.connect(self.slot_checkTools)
        self.ui.ch_vst.clicked.connect(self.slot_checkTools)
        self.ui.ch_vst3.clicked.connect(self.slot_checkTools)
        self.ui.ch_au.clicked.connect(self.slot_checkTools)
        self.ui.ch_sf2.clicked.connect(self.slot_checkTools)
        self.ui.ch_sfz.clicked.connect(self.slot_checkTools)
        self.ui.ch_jsfx.clicked.connect(self.slot_checkTools)
        self.fThread.pluginLook.connect(self.slot_handlePluginLook)
        self.fThread.finished.connect(self.slot_handlePluginThreadFinished)

        # -------------------------------------------------------------------------------------------------------------
        # Post-connect setup

        self.slot_checkTools()

    # -----------------------------------------------------------------------------------------------------------------

    def loadSettings(self):
        settings = QSafeSettings("falkTX", "CarlaRefresh2")

        check = settings.value("PluginDatabase/SearchLADSPA", True, bool) and self.ui.ch_ladspa.isEnabled()
        self.ui.ch_ladspa.setChecked(check)

        check = settings.value("PluginDatabase/SearchDSSI", True, bool) and self.ui.ch_dssi.isEnabled()
        self.ui.ch_dssi.setChecked(check)

        check = settings.value("PluginDatabase/SearchLV2", True, bool) and self.ui.ch_lv2.isEnabled()
        self.ui.ch_lv2.setChecked(check)

        check = settings.value("PluginDatabase/SearchVST2", True, bool) and self.ui.ch_vst.isEnabled()
        self.ui.ch_vst.setChecked(check)

        check = settings.value("PluginDatabase/SearchVST3", True, bool) and self.ui.ch_vst3.isEnabled()
        self.ui.ch_vst3.setChecked(check)

        if MACOS:
            check = settings.value("PluginDatabase/SearchAU", True, bool) and self.ui.ch_au.isEnabled()
        else:
            check = False
        self.ui.ch_au.setChecked(check)

        check = settings.value("PluginDatabase/SearchSF2", False, bool) and self.ui.ch_sf2.isEnabled()
        self.ui.ch_sf2.setChecked(check)

        check = settings.value("PluginDatabase/SearchSFZ", False, bool) and self.ui.ch_sfz.isEnabled()
        self.ui.ch_sfz.setChecked(check)

        check = settings.value("PluginDatabase/SearchJSFX", True, bool) and self.ui.ch_jsfx.isEnabled()
        self.ui.ch_jsfx.setChecked(check)

        check = settings.value("PluginDatabase/SearchNative", True, bool) and self.ui.ch_native.isEnabled()
        self.ui.ch_native.setChecked(check)

        check = settings.value("PluginDatabase/SearchPOSIX32", False, bool) and self.ui.ch_posix32.isEnabled()
        self.ui.ch_posix32.setChecked(check)

        check = settings.value("PluginDatabase/SearchPOSIX64", False, bool) and self.ui.ch_posix64.isEnabled()
        self.ui.ch_posix64.setChecked(check)

        check = settings.value("PluginDatabase/SearchWin32", False, bool) and self.ui.ch_win32.isEnabled()
        self.ui.ch_win32.setChecked(check)

        check = settings.value("PluginDatabase/SearchWin64", False, bool) and self.ui.ch_win64.isEnabled()
        self.ui.ch_win64.setChecked(check)

        self.ui.ch_do_checks.setChecked(settings.value("PluginDatabase/DoChecks", False, bool))

    # -----------------------------------------------------------------------------------------------------------------

    @pyqtSlot()
    def slot_saveSettings(self):
        settings = QSafeSettings("falkTX", "CarlaRefresh2")
        settings.setValue("PluginDatabase/SearchLADSPA", self.ui.ch_ladspa.isChecked())
        settings.setValue("PluginDatabase/SearchDSSI", self.ui.ch_dssi.isChecked())
        settings.setValue("PluginDatabase/SearchLV2", self.ui.ch_lv2.isChecked())
        settings.setValue("PluginDatabase/SearchVST2", self.ui.ch_vst.isChecked())
        settings.setValue("PluginDatabase/SearchVST3", self.ui.ch_vst3.isChecked())
        settings.setValue("PluginDatabase/SearchAU", self.ui.ch_au.isChecked())
        settings.setValue("PluginDatabase/SearchSF2", self.ui.ch_sf2.isChecked())
        settings.setValue("PluginDatabase/SearchSFZ", self.ui.ch_sfz.isChecked())
        settings.setValue("PluginDatabase/SearchJSFX", self.ui.ch_jsfx.isChecked())
        settings.setValue("PluginDatabase/SearchNative", self.ui.ch_native.isChecked())
        settings.setValue("PluginDatabase/SearchPOSIX32", self.ui.ch_posix32.isChecked())
        settings.setValue("PluginDatabase/SearchPOSIX64", self.ui.ch_posix64.isChecked())
        settings.setValue("PluginDatabase/SearchWin32", self.ui.ch_win32.isChecked())
        settings.setValue("PluginDatabase/SearchWin64", self.ui.ch_win64.isChecked())
        settings.setValue("PluginDatabase/DoChecks", self.ui.ch_do_checks.isChecked())

    # -----------------------------------------------------------------------------------------------------------------

    @pyqtSlot()
    def slot_start(self):
        self.ui.progressBar.setMinimum(0)
        self.ui.progressBar.setMaximum(100)
        self.ui.progressBar.setValue(0)
        self.ui.b_start.setEnabled(False)
        self.ui.b_skip.setVisible(True)
        self.ui.b_close.setVisible(False)
        self.ui.group_types.setEnabled(False)
        self.ui.group_options.setEnabled(False)

        if self.ui.ch_do_checks.isChecked():
            gCarla.utils.unsetenv("CARLA_DISCOVERY_NO_PROCESSING_CHECKS")
        else:
            gCarla.utils.setenv("CARLA_DISCOVERY_NO_PROCESSING_CHECKS", "true")

        native, posix32, posix64, win32, win64 = (self.ui.ch_native.isChecked(),
                                                  self.ui.ch_posix32.isChecked(), self.ui.ch_posix64.isChecked(),
                                                  self.ui.ch_win32.isChecked(), self.ui.ch_win64.isChecked())

        ladspa, dssi, lv2, vst, vst3, au, sf2, sfz, jsfx = (self.ui.ch_ladspa.isChecked(), self.ui.ch_dssi.isChecked(),
                                                            self.ui.ch_lv2.isChecked(), self.ui.ch_vst.isChecked(),
                                                            self.ui.ch_vst3.isChecked(), self.ui.ch_au.isChecked(),
                                                            self.ui.ch_sf2.isChecked(), self.ui.ch_sfz.isChecked(),
                                                            self.ui.ch_jsfx.isChecked())

        self.fThread.setSearchBinaryTypes(native, posix32, posix64, win32, win64)
        self.fThread.setSearchPluginTypes(ladspa, dssi, lv2, vst, vst3, au, sf2, sfz, jsfx)
        self.fThread.start()

    # -----------------------------------------------------------------------------------------------------------------

    @pyqtSlot()
    def slot_skip(self):
        killDiscovery()

    # -----------------------------------------------------------------------------------------------------------------

    @pyqtSlot()
    def slot_checkTools(self):
        enabled1 = bool(self.ui.ch_native.isChecked() or
                        self.ui.ch_posix32.isChecked() or self.ui.ch_posix64.isChecked() or
                        self.ui.ch_win32.isChecked() or self.ui.ch_win64.isChecked())

        enabled2 = bool(self.ui.ch_ladspa.isChecked() or self.ui.ch_dssi.isChecked() or
                        self.ui.ch_lv2.isChecked() or self.ui.ch_vst.isChecked() or
                        self.ui.ch_vst3.isChecked() or self.ui.ch_au.isChecked() or
                        self.ui.ch_sf2.isChecked() or self.ui.ch_sfz.isChecked() or
                        self.ui.ch_jsfx.isChecked())

        self.ui.b_start.setEnabled(enabled1 and enabled2)

    # -----------------------------------------------------------------------------------------------------------------

    @pyqtSlot(float, str)
    def slot_handlePluginLook(self, percent, plugin):
        self.ui.progressBar.setFormat("%s" % plugin)
        self.ui.progressBar.setValue(percent)

    # -----------------------------------------------------------------------------------------------------------------

    @pyqtSlot()
    def slot_handlePluginThreadFinished(self):
        self.ui.progressBar.setMinimum(0)
        self.ui.progressBar.setMaximum(1)
        self.ui.progressBar.setValue(1)
        self.ui.progressBar.setFormat(self.tr("Done"))
        self.ui.b_start.setEnabled(True)
        self.ui.b_skip.setVisible(False)
        self.ui.b_close.setVisible(True)
        self.ui.group_types.setEnabled(True)
        self.ui.group_options.setEnabled(True)

    # -----------------------------------------------------------------------------------------------------------------

    def closeEvent(self, event):
        if self.fThread.isRunning():
            self.fThread.stop()
            killDiscovery()
            #self.fThread.terminate()
            self.fThread.wait()

        if self.fThread.hasSomethingChanged():
            self.accept()
        else:
            self.reject()

        QDialog.closeEvent(self, event)

# ---------------------------------------------------------------------------------------------------------------------
# Plugin Database Dialog

class PluginDatabaseW(QDialog):
    TABLEWIDGET_ITEM_FAVORITE = 0
    TABLEWIDGET_ITEM_NAME     = 1
    TABLEWIDGET_ITEM_LABEL    = 2
    TABLEWIDGET_ITEM_MAKER    = 3
    TABLEWIDGET_ITEM_BINARY   = 4

    def __init__(self, parent, host, useSystemIcons):
        QDialog.__init__(self, parent)
        self.host = host
        self.ui = ui_carla_database.Ui_PluginDatabaseW()
        self.ui.setupUi(self)

        # To be changed by parent
        self.hasLoadedLv2Plugins = False

        # ----------------------------------------------------------------------------------------------------
        # Internal stuff

        self.fLastTableIndex = 0
        self.fRetPlugin  = None
        self.fRealParent = parent
        self.fFavoritePlugins = []
        self.fFavoritePluginsChanged = False
        self.fUseSystemIcons = useSystemIcons

        self.fTrYes    = self.tr("Yes")
        self.fTrNo     = self.tr("No")
        self.fTrNative = self.tr("Native")

        # ----------------------------------------------------------------------------------------------------
        # Set-up GUI

        self.ui.b_add.setEnabled(False)
        self.addAction(self.ui.act_focus_search)
        self.ui.act_focus_search.triggered.connect(self.slot_focusSearchFieldAndSelectAll)

        if BINARY_NATIVE in (BINARY_POSIX32, BINARY_WIN32):
            self.ui.ch_bridged.setText(self.tr("Bridged (64bit)"))
        else:
            self.ui.ch_bridged.setText(self.tr("Bridged (32bit)"))

        if not (LINUX or MACOS):
            self.ui.ch_bridged_wine.setChecked(False)
            self.ui.ch_bridged_wine.setEnabled(False)

        if MACOS:
            self.setWindowModality(Qt.WindowModal)
        else:
            self.ui.ch_au.setChecked(False)
            self.ui.ch_au.setEnabled(False)
            self.ui.ch_au.setVisible(False)

        self.ui.tab_info.tabBar().hide()
        self.ui.tab_reqs.tabBar().hide()
        # FIXME, why /2 needed?
        self.ui.tab_info.setMinimumWidth(int(self.ui.la_id.width()/2) +
                                         fontMetricsHorizontalAdvance(self.ui.l_id.fontMetrics(), "9999999999") + 6*3)
        self.setWindowFlags(self.windowFlags() & ~Qt.WindowContextHelpButtonHint)

        # ----------------------------------------------------------------------------------------------------
        # Load settings

        self.loadSettings()

        # ----------------------------------------------------------------------------------------------------
        # Disable bridges if not enabled in settings

        # NOTE: We Assume win32 carla build will not run win64 plugins
        if (WINDOWS and not kIs64bit) or not host.showPluginBridges:
            self.ui.ch_native.setChecked(True)
            self.ui.ch_native.setEnabled(False)
            self.ui.ch_native.setVisible(True)
            self.ui.ch_bridged.setChecked(False)
            self.ui.ch_bridged.setEnabled(False)
            self.ui.ch_bridged.setVisible(False)
            self.ui.ch_bridged_wine.setChecked(False)
            self.ui.ch_bridged_wine.setEnabled(False)
            self.ui.ch_bridged_wine.setVisible(False)
            self.ui.l_arch.setVisible(False)

        elif not host.showWineBridges:
            self.ui.ch_bridged_wine.setChecked(False)
            self.ui.ch_bridged_wine.setEnabled(False)
            self.ui.ch_bridged_wine.setVisible(False)

        # ----------------------------------------------------------------------------------------------------
        # Set-up Icons

        if useSystemIcons:
            self.ui.b_add.setIcon(getIcon('list-add', 16, 'svgz'))
            self.ui.b_cancel.setIcon(getIcon('dialog-cancel', 16, 'svgz'))
            self.ui.b_clear_filters.setIcon(getIcon('edit-clear', 16, 'svgz'))
            self.ui.b_refresh.setIcon(getIcon('view-refresh', 16, 'svgz'))
            self.ui.tableWidget.horizontalHeaderItem(self.TABLEWIDGET_ITEM_FAVORITE).setIcon(getIcon('bookmarks', 16, 'svgz'))

        # ----------------------------------------------------------------------------------------------------
        # Set-up connections

        self.finished.connect(self.slot_saveSettings)
        self.ui.b_add.clicked.connect(self.slot_addPlugin)
        self.ui.b_cancel.clicked.connect(self.reject)
        self.ui.b_refresh.clicked.connect(self.slot_refreshPlugins)
        self.ui.b_clear_filters.clicked.connect(self.slot_clearFilters)
        self.ui.lineEdit.textChanged.connect(self.slot_checkFilters)
        self.ui.tableWidget.currentCellChanged.connect(self.slot_checkPlugin)
        self.ui.tableWidget.cellClicked.connect(self.slot_cellClicked)
        self.ui.tableWidget.cellDoubleClicked.connect(self.slot_cellDoubleClicked)

        self.ui.ch_internal.clicked.connect(self.slot_checkFilters)
        self.ui.ch_ladspa.clicked.connect(self.slot_checkFilters)
        self.ui.ch_dssi.clicked.connect(self.slot_checkFilters)
        self.ui.ch_lv2.clicked.connect(self.slot_checkFilters)
        self.ui.ch_vst.clicked.connect(self.slot_checkFilters)
        self.ui.ch_vst3.clicked.connect(self.slot_checkFilters)
        self.ui.ch_au.clicked.connect(self.slot_checkFilters)
        self.ui.ch_jsfx.clicked.connect(self.slot_checkFilters)
        self.ui.ch_kits.clicked.connect(self.slot_checkFilters)
        self.ui.ch_effects.clicked.connect(self.slot_checkFilters)
        self.ui.ch_instruments.clicked.connect(self.slot_checkFilters)
        self.ui.ch_midi.clicked.connect(self.slot_checkFilters)
        self.ui.ch_other.clicked.connect(self.slot_checkFilters)
        self.ui.ch_native.clicked.connect(self.slot_checkFilters)
        self.ui.ch_bridged.clicked.connect(self.slot_checkFilters)
        self.ui.ch_bridged_wine.clicked.connect(self.slot_checkFilters)
        self.ui.ch_favorites.clicked.connect(self.slot_checkFilters)
        self.ui.ch_rtsafe.clicked.connect(self.slot_checkFilters)
        self.ui.ch_cv.clicked.connect(self.slot_checkFilters)
        self.ui.ch_gui.clicked.connect(self.slot_checkFilters)
        self.ui.ch_inline_display.clicked.connect(self.slot_checkFilters)
        self.ui.ch_stereo.clicked.connect(self.slot_checkFilters)
        self.ui.ch_cat_all.clicked.connect(self.slot_checkFiltersCategoryAll)
        self.ui.ch_cat_delay.clicked.connect(self.slot_checkFiltersCategorySpecific)
        self.ui.ch_cat_distortion.clicked.connect(self.slot_checkFiltersCategorySpecific)
        self.ui.ch_cat_dynamics.clicked.connect(self.slot_checkFiltersCategorySpecific)
        self.ui.ch_cat_eq.clicked.connect(self.slot_checkFiltersCategorySpecific)
        self.ui.ch_cat_filter.clicked.connect(self.slot_checkFiltersCategorySpecific)
        self.ui.ch_cat_modulator.clicked.connect(self.slot_checkFiltersCategorySpecific)
        self.ui.ch_cat_synth.clicked.connect(self.slot_checkFiltersCategorySpecific)
        self.ui.ch_cat_utility.clicked.connect(self.slot_checkFiltersCategorySpecific)
        self.ui.ch_cat_other.clicked.connect(self.slot_checkFiltersCategorySpecific)

        # ----------------------------------------------------------------------------------------------------
        # Post-connect setup

        self._reAddPlugins()
        self.slot_focusSearchFieldAndSelectAll()

    # --------------------------------------------------------------------------------------------------------

    @pyqtSlot(int, int)
    def slot_cellClicked(self, row, column):
        if column == self.TABLEWIDGET_ITEM_FAVORITE:
            widget = self.ui.tableWidget.item(row, self.TABLEWIDGET_ITEM_FAVORITE)
            plugin = self.ui.tableWidget.item(row, self.TABLEWIDGET_ITEM_NAME).data(Qt.UserRole+1)
            plugin = self._createFavoritePluginDict(plugin)

            if widget.checkState() == Qt.Checked:
                if not plugin in self.fFavoritePlugins:
                    self.fFavoritePlugins.append(plugin)
                    self.fFavoritePluginsChanged = True
            else:
                try:
                    self.fFavoritePlugins.remove(plugin)
                    self.fFavoritePluginsChanged = True
                except ValueError:
                    pass

    @pyqtSlot(int, int)
    def slot_cellDoubleClicked(self, row, column):
        if column != self.TABLEWIDGET_ITEM_FAVORITE:
            self.slot_addPlugin()

    @pyqtSlot()
    def slot_focusSearchFieldAndSelectAll(self):
        self.ui.lineEdit.setFocus()
        self.ui.lineEdit.selectAll()

    @pyqtSlot()
    def slot_addPlugin(self):
        if self.ui.tableWidget.currentRow() >= 0:
            self.fRetPlugin = self.ui.tableWidget.item(self.ui.tableWidget.currentRow(),
                                                       self.TABLEWIDGET_ITEM_NAME).data(Qt.UserRole+1)
            self.accept()
        else:
            self.reject()

    @pyqtSlot(int)
    def slot_checkPlugin(self, row):
        if row >= 0:
            self.ui.b_add.setEnabled(True)
            plugin = self.ui.tableWidget.item(self.ui.tableWidget.currentRow(),
                                              self.TABLEWIDGET_ITEM_NAME).data(Qt.UserRole+1)

            isSynth  = bool(plugin['hints'] & PLUGIN_IS_SYNTH)
            isEffect = bool(plugin['audio.ins'] > 0 < plugin['audio.outs'] and not isSynth)
            isMidi   = bool(plugin['audio.ins'] == 0 and plugin['audio.outs'] == 0 and plugin['midi.ins'] > 0 < plugin['midi.outs'])
            isKit    = bool(plugin['type'] in (PLUGIN_SF2, PLUGIN_SFZ))
            isOther  = bool(not (isEffect or isSynth or isMidi or isKit))

            if isSynth:
                ptype = "Instrument"
            elif isEffect:
                ptype = "Effect"
            elif isMidi:
                ptype = "MIDI Plugin"
            else:
                ptype = "Other"

            if plugin['build'] == BINARY_NATIVE:
                parch = self.fTrNative
            elif plugin['build'] == BINARY_POSIX32:
                parch = "posix32"
            elif plugin['build'] == BINARY_POSIX64:
                parch = "posix64"
            elif plugin['build'] == BINARY_WIN32:
                parch = "win32"
            elif plugin['build'] == BINARY_WIN64:
                parch = "win64"
            elif plugin['build'] == BINARY_OTHER:
                parch = self.tr("Other")
            elif plugin['build'] == BINARY_WIN32:
                parch = self.tr("Unknown")

            self.ui.l_format.setText(getPluginTypeAsString(plugin['type']))
            self.ui.l_type.setText(ptype)
            self.ui.l_arch.setText(parch)
            self.ui.l_id.setText(str(plugin['uniqueId']))
            self.ui.l_ains.setText(str(plugin['audio.ins']))
            self.ui.l_aouts.setText(str(plugin['audio.outs']))
            self.ui.l_cvins.setText(str(plugin['cv.ins']))
            self.ui.l_cvouts.setText(str(plugin['cv.outs']))
            self.ui.l_mins.setText(str(plugin['midi.ins']))
            self.ui.l_mouts.setText(str(plugin['midi.outs']))
            self.ui.l_pins.setText(str(plugin['parameters.ins']))
            self.ui.l_pouts.setText(str(plugin['parameters.outs']))
            self.ui.l_gui.setText(self.fTrYes if plugin['hints'] & PLUGIN_HAS_CUSTOM_UI else self.fTrNo)
            self.ui.l_idisp.setText(self.fTrYes if plugin['hints'] & PLUGIN_HAS_INLINE_DISPLAY else self.fTrNo)
            self.ui.l_bridged.setText(self.fTrYes if plugin['hints'] & PLUGIN_IS_BRIDGE else self.fTrNo)
            self.ui.l_synth.setText(self.fTrYes if isSynth else self.fTrNo)
        else:
            self.ui.b_add.setEnabled(False)
            self.ui.l_format.setText("---")
            self.ui.l_type.setText("---")
            self.ui.l_arch.setText("---")
            self.ui.l_id.setText("---")
            self.ui.l_ains.setText("---")
            self.ui.l_aouts.setText("---")
            self.ui.l_cvins.setText("---")
            self.ui.l_cvouts.setText("---")
            self.ui.l_mins.setText("---")
            self.ui.l_mouts.setText("---")
            self.ui.l_pins.setText("---")
            self.ui.l_pouts.setText("---")
            self.ui.l_gui.setText("---")
            self.ui.l_idisp.setText("---")
            self.ui.l_bridged.setText("---")
            self.ui.l_synth.setText("---")

    @pyqtSlot()
    def slot_checkFilters(self):
        self._checkFilters()

    @pyqtSlot(bool)
    def slot_checkFiltersCategoryAll(self, clicked):
        self.ui.ch_cat_delay.setChecked(not clicked)
        self.ui.ch_cat_distortion.setChecked(not clicked)
        self.ui.ch_cat_dynamics.setChecked(not clicked)
        self.ui.ch_cat_eq.setChecked(not clicked)
        self.ui.ch_cat_filter.setChecked(not clicked)
        self.ui.ch_cat_modulator.setChecked(not clicked)
        self.ui.ch_cat_synth.setChecked(not clicked)
        self.ui.ch_cat_utility.setChecked(not clicked)
        self.ui.ch_cat_other.setChecked(not clicked)
        self._checkFilters()

    @pyqtSlot(bool)
    def slot_checkFiltersCategorySpecific(self, clicked):
        if clicked:
            self.ui.ch_cat_all.setChecked(False)
        elif not (self.ui.ch_cat_delay.isChecked() or
                  self.ui.ch_cat_distortion.isChecked() or
                  self.ui.ch_cat_dynamics.isChecked() or
                  self.ui.ch_cat_eq.isChecked() or
                  self.ui.ch_cat_filter.isChecked() or
                  self.ui.ch_cat_modulator.isChecked() or
                  self.ui.ch_cat_synth.isChecked() or
                  self.ui.ch_cat_utility.isChecked() or
                  self.ui.ch_cat_other.isChecked()):
            self.ui.ch_cat_all.setChecked(True)
        self._checkFilters()

    @pyqtSlot()
    def slot_refreshPlugins(self):
        if PluginRefreshW(self, self.host, self.fUseSystemIcons, self.hasLoadedLv2Plugins).exec_():
            self._reAddPlugins()

            if self.fRealParent:
                self.fRealParent.setLoadRDFsNeeded()

    @pyqtSlot()
    def slot_clearFilters(self):
        self.blockSignals(True)

        self.ui.ch_internal.setChecked(True)
        self.ui.ch_ladspa.setChecked(True)
        self.ui.ch_dssi.setChecked(True)
        self.ui.ch_lv2.setChecked(True)
        self.ui.ch_vst.setChecked(True)
        self.ui.ch_jsfx.setChecked(True)
        self.ui.ch_kits.setChecked(True)

        self.ui.ch_instruments.setChecked(True)
        self.ui.ch_effects.setChecked(True)
        self.ui.ch_midi.setChecked(True)
        self.ui.ch_other.setChecked(True)

        self.ui.ch_native.setChecked(True)
        self.ui.ch_bridged.setChecked(False)
        self.ui.ch_bridged_wine.setChecked(False)

        self.ui.ch_favorites.setChecked(False)
        self.ui.ch_rtsafe.setChecked(False)
        self.ui.ch_stereo.setChecked(False)
        self.ui.ch_cv.setChecked(False)
        self.ui.ch_gui.setChecked(False)
        self.ui.ch_inline_display.setChecked(False)

        if self.ui.ch_vst3.isEnabled():
            self.ui.ch_vst3.setChecked(True)
        if self.ui.ch_au.isEnabled():
            self.ui.ch_au.setChecked(True)

        self.ui.ch_cat_all.setChecked(True)
        self.ui.ch_cat_delay.setChecked(False)
        self.ui.ch_cat_distortion.setChecked(False)
        self.ui.ch_cat_dynamics.setChecked(False)
        self.ui.ch_cat_eq.setChecked(False)
        self.ui.ch_cat_filter.setChecked(False)
        self.ui.ch_cat_modulator.setChecked(False)
        self.ui.ch_cat_synth.setChecked(False)
        self.ui.ch_cat_utility.setChecked(False)
        self.ui.ch_cat_other.setChecked(False)

        self.ui.lineEdit.clear()

        self.blockSignals(False)

        self._checkFilters()

    # --------------------------------------------------------------------------------------------------------

    @pyqtSlot()
    def slot_saveSettings(self):
        settings = QSafeSettings("falkTX", "CarlaDatabase2")
        settings.setValue("PluginDatabase/Geometry", self.saveGeometry())
        settings.setValue("PluginDatabase/TableGeometry_6", self.ui.tableWidget.horizontalHeader().saveState())
        settings.setValue("PluginDatabase/ShowEffects", self.ui.ch_effects.isChecked())
        settings.setValue("PluginDatabase/ShowInstruments", self.ui.ch_instruments.isChecked())
        settings.setValue("PluginDatabase/ShowMIDI", self.ui.ch_midi.isChecked())
        settings.setValue("PluginDatabase/ShowOther", self.ui.ch_other.isChecked())
        settings.setValue("PluginDatabase/ShowInternal", self.ui.ch_internal.isChecked())
        settings.setValue("PluginDatabase/ShowLADSPA", self.ui.ch_ladspa.isChecked())
        settings.setValue("PluginDatabase/ShowDSSI", self.ui.ch_dssi.isChecked())
        settings.setValue("PluginDatabase/ShowLV2", self.ui.ch_lv2.isChecked())
        settings.setValue("PluginDatabase/ShowVST2", self.ui.ch_vst.isChecked())
        settings.setValue("PluginDatabase/ShowVST3", self.ui.ch_vst3.isChecked())
        settings.setValue("PluginDatabase/ShowAU", self.ui.ch_au.isChecked())
        settings.setValue("PluginDatabase/ShowJSFX", self.ui.ch_jsfx.isChecked())
        settings.setValue("PluginDatabase/ShowKits", self.ui.ch_kits.isChecked())
        settings.setValue("PluginDatabase/ShowNative", self.ui.ch_native.isChecked())
        settings.setValue("PluginDatabase/ShowBridged", self.ui.ch_bridged.isChecked())
        settings.setValue("PluginDatabase/ShowBridgedWine", self.ui.ch_bridged_wine.isChecked())
        settings.setValue("PluginDatabase/ShowFavorites", self.ui.ch_favorites.isChecked())
        settings.setValue("PluginDatabase/ShowRtSafe", self.ui.ch_rtsafe.isChecked())
        settings.setValue("PluginDatabase/ShowHasCV", self.ui.ch_cv.isChecked())
        settings.setValue("PluginDatabase/ShowHasGUI", self.ui.ch_gui.isChecked())
        settings.setValue("PluginDatabase/ShowHasInlineDisplay", self.ui.ch_inline_display.isChecked())
        settings.setValue("PluginDatabase/ShowStereoOnly", self.ui.ch_stereo.isChecked())
        settings.setValue("PluginDatabase/SearchText", self.ui.lineEdit.text())

        if self.ui.ch_cat_all.isChecked():
            settings.setValue("PluginDatabase/ShowCategory", "all")
        else:
            categoryhash = ""
            if self.ui.ch_cat_delay.isChecked():
                categoryhash += ":delay"
            if self.ui.ch_cat_distortion.isChecked():
                categoryhash += ":distortion"
            if self.ui.ch_cat_dynamics.isChecked():
                categoryhash += ":dynamics"
            if self.ui.ch_cat_eq.isChecked():
                categoryhash += ":eq"
            if self.ui.ch_cat_filter.isChecked():
                categoryhash += ":filter"
            if self.ui.ch_cat_modulator.isChecked():
                categoryhash += ":modulator"
            if self.ui.ch_cat_synth.isChecked():
                categoryhash += ":synth"
            if self.ui.ch_cat_utility.isChecked():
                categoryhash += ":utility"
            if self.ui.ch_cat_other.isChecked():
                categoryhash += ":other"
            if categoryhash:
                categoryhash += ":"
            settings.setValue("PluginDatabase/ShowCategory", categoryhash)

        if self.fFavoritePluginsChanged:
            settings.setValue("PluginDatabase/Favorites", self.fFavoritePlugins)

    # --------------------------------------------------------------------------------------------------------

    def loadSettings(self):
        settings = QSafeSettings("falkTX", "CarlaDatabase2")
        self.fFavoritePlugins = settings.value("PluginDatabase/Favorites", [], list)
        self.fFavoritePluginsChanged = False

        self.restoreGeometry(settings.value("PluginDatabase/Geometry", QByteArray(), QByteArray))
        self.ui.ch_effects.setChecked(settings.value("PluginDatabase/ShowEffects", True, bool))
        self.ui.ch_instruments.setChecked(settings.value("PluginDatabase/ShowInstruments", True, bool))
        self.ui.ch_midi.setChecked(settings.value("PluginDatabase/ShowMIDI", True, bool))
        self.ui.ch_other.setChecked(settings.value("PluginDatabase/ShowOther", True, bool))
        self.ui.ch_internal.setChecked(settings.value("PluginDatabase/ShowInternal", True, bool))
        self.ui.ch_ladspa.setChecked(settings.value("PluginDatabase/ShowLADSPA", True, bool))
        self.ui.ch_dssi.setChecked(settings.value("PluginDatabase/ShowDSSI", True, bool))
        self.ui.ch_lv2.setChecked(settings.value("PluginDatabase/ShowLV2", True, bool))
        self.ui.ch_vst.setChecked(settings.value("PluginDatabase/ShowVST2", True, bool))
        self.ui.ch_vst3.setChecked(settings.value("PluginDatabase/ShowVST3", (MACOS or WINDOWS), bool))
        self.ui.ch_au.setChecked(settings.value("PluginDatabase/ShowAU", MACOS, bool))
        self.ui.ch_jsfx.setChecked(settings.value("PluginDatabase/ShowJSFX", True, bool))
        self.ui.ch_kits.setChecked(settings.value("PluginDatabase/ShowKits", True, bool))
        self.ui.ch_native.setChecked(settings.value("PluginDatabase/ShowNative", True, bool))
        self.ui.ch_bridged.setChecked(settings.value("PluginDatabase/ShowBridged", True, bool))
        self.ui.ch_bridged_wine.setChecked(settings.value("PluginDatabase/ShowBridgedWine", True, bool))
        self.ui.ch_favorites.setChecked(settings.value("PluginDatabase/ShowFavorites", False, bool))
        self.ui.ch_rtsafe.setChecked(settings.value("PluginDatabase/ShowRtSafe", False, bool))
        self.ui.ch_cv.setChecked(settings.value("PluginDatabase/ShowHasCV", False, bool))
        self.ui.ch_gui.setChecked(settings.value("PluginDatabase/ShowHasGUI", False, bool))
        self.ui.ch_inline_display.setChecked(settings.value("PluginDatabase/ShowHasInlineDisplay", False, bool))
        self.ui.ch_stereo.setChecked(settings.value("PluginDatabase/ShowStereoOnly", False, bool))
        self.ui.lineEdit.setText(settings.value("PluginDatabase/SearchText", "", str))

        categoryhash = settings.value("PluginDatabase/ShowCategory", "all", str)
        if categoryhash == "all" or len(categoryhash) < 2:
            self.ui.ch_cat_all.setChecked(True)
            self.ui.ch_cat_delay.setChecked(False)
            self.ui.ch_cat_distortion.setChecked(False)
            self.ui.ch_cat_dynamics.setChecked(False)
            self.ui.ch_cat_eq.setChecked(False)
            self.ui.ch_cat_filter.setChecked(False)
            self.ui.ch_cat_modulator.setChecked(False)
            self.ui.ch_cat_synth.setChecked(False)
            self.ui.ch_cat_utility.setChecked(False)
            self.ui.ch_cat_other.setChecked(False)
        else:
            self.ui.ch_cat_all.setChecked(False)
            self.ui.ch_cat_delay.setChecked(":delay:" in categoryhash)
            self.ui.ch_cat_distortion.setChecked(":distortion:" in categoryhash)
            self.ui.ch_cat_dynamics.setChecked(":dynamics:" in categoryhash)
            self.ui.ch_cat_eq.setChecked(":eq:" in categoryhash)
            self.ui.ch_cat_filter.setChecked(":filter:" in categoryhash)
            self.ui.ch_cat_modulator.setChecked(":modulator:" in categoryhash)
            self.ui.ch_cat_synth.setChecked(":synth:" in categoryhash)
            self.ui.ch_cat_utility.setChecked(":utility:" in categoryhash)
            self.ui.ch_cat_other.setChecked(":other:" in categoryhash)

        tableGeometry = settings.value("PluginDatabase/TableGeometry_6", QByteArray(), QByteArray)
        horizontalHeader = self.ui.tableWidget.horizontalHeader()
        if not tableGeometry.isNull():
            horizontalHeader.restoreState(tableGeometry)
        else:
            horizontalHeader.setSectionResizeMode(self.TABLEWIDGET_ITEM_FAVORITE, QHeaderView.Fixed)
            self.ui.tableWidget.setColumnWidth(self.TABLEWIDGET_ITEM_FAVORITE, 24)
            self.ui.tableWidget.setColumnWidth(self.TABLEWIDGET_ITEM_NAME, 250)
            self.ui.tableWidget.setColumnWidth(self.TABLEWIDGET_ITEM_LABEL, 200)
            self.ui.tableWidget.setColumnWidth(self.TABLEWIDGET_ITEM_MAKER, 150)
            self.ui.tableWidget.sortByColumn(self.TABLEWIDGET_ITEM_NAME, Qt.AscendingOrder)

    # --------------------------------------------------------------------------------------------------------

    def _createFavoritePluginDict(self, plugin):
        return {
            'name'    : plugin['name'],
            'build'   : plugin['build'],
            'type'    : plugin['type'],
            'filename': plugin['filename'],
            'label'   : plugin['label'],
            'uniqueId': plugin['uniqueId'],
        }

    def _checkFilters(self):
        text = self.ui.lineEdit.text().lower()

        hideEffects     = not self.ui.ch_effects.isChecked()
        hideInstruments = not self.ui.ch_instruments.isChecked()
        hideMidi        = not self.ui.ch_midi.isChecked()
        hideOther       = not self.ui.ch_other.isChecked()

        hideInternal = not self.ui.ch_internal.isChecked()
        hideLadspa   = not self.ui.ch_ladspa.isChecked()
        hideDssi     = not self.ui.ch_dssi.isChecked()
        hideLV2      = not self.ui.ch_lv2.isChecked()
        hideVST2     = not self.ui.ch_vst.isChecked()
        hideVST3     = not self.ui.ch_vst3.isChecked()
        hideAU       = not self.ui.ch_au.isChecked()
        hideJSFX     = not self.ui.ch_jsfx.isChecked()
        hideKits     = not self.ui.ch_kits.isChecked()

        hideNative  = not self.ui.ch_native.isChecked()
        hideBridged = not self.ui.ch_bridged.isChecked()
        hideBridgedWine = not self.ui.ch_bridged_wine.isChecked()

        hideNonFavs   = self.ui.ch_favorites.isChecked()
        hideNonRtSafe = self.ui.ch_rtsafe.isChecked()
        hideNonCV     = self.ui.ch_cv.isChecked()
        hideNonGui    = self.ui.ch_gui.isChecked()
        hideNonIDisp  = self.ui.ch_inline_display.isChecked()
        hideNonStereo = self.ui.ch_stereo.isChecked()

        if HAIKU or LINUX or MACOS:
            nativeBins = [BINARY_POSIX32, BINARY_POSIX64]
            wineBins   = [BINARY_WIN32, BINARY_WIN64]
        elif WINDOWS:
            nativeBins = [BINARY_WIN32, BINARY_WIN64]
            wineBins   = []
        else:
            nativeBins = []
            wineBins   = []

        self.ui.tableWidget.setRowCount(self.fLastTableIndex)

        for i in range(self.fLastTableIndex):
            plugin = self.ui.tableWidget.item(i, self.TABLEWIDGET_ITEM_NAME).data(Qt.UserRole+1)
            ptext  = self.ui.tableWidget.item(i, self.TABLEWIDGET_ITEM_NAME).data(Qt.UserRole+2)
            aIns   = plugin['audio.ins']
            aOuts  = plugin['audio.outs']
            cvIns  = plugin['cv.ins']
            cvOuts = plugin['cv.outs']
            mIns   = plugin['midi.ins']
            mOuts  = plugin['midi.outs']
            phints = plugin['hints']
            ptype  = plugin['type']
            categ  = plugin['category']
            isSynth  = bool(phints & PLUGIN_IS_SYNTH)
            isEffect = bool(aIns > 0 < aOuts and not isSynth)
            isMidi   = bool(aIns == 0 and aOuts == 0 and mIns > 0 < mOuts)
            isKit    = bool(ptype in (PLUGIN_SF2, PLUGIN_SFZ))
            isOther  = bool(not (isEffect or isSynth or isMidi or isKit))
            isNative = bool(plugin['build'] == BINARY_NATIVE)
            isRtSafe = bool(phints & PLUGIN_IS_RTSAFE)
            isStereo = bool(aIns == 2 and aOuts == 2) or (isSynth and aOuts == 2)
            hasCV    = bool(cvIns + cvOuts > 0)
            hasGui   = bool(phints & PLUGIN_HAS_CUSTOM_UI)
            hasIDisp = bool(phints & PLUGIN_HAS_INLINE_DISPLAY)

            isBridged = bool(not isNative and plugin['build'] in nativeBins)
            isBridgedWine = bool(not isNative and plugin['build'] in wineBins)

            if hideEffects and isEffect:
                self.ui.tableWidget.hideRow(i)
            elif hideInstruments and isSynth:
                self.ui.tableWidget.hideRow(i)
            elif hideMidi and isMidi:
                self.ui.tableWidget.hideRow(i)
            elif hideOther and isOther:
                self.ui.tableWidget.hideRow(i)
            elif hideKits and isKit:
                self.ui.tableWidget.hideRow(i)
            elif hideInternal and ptype == PLUGIN_INTERNAL:
                self.ui.tableWidget.hideRow(i)
            elif hideLadspa and ptype == PLUGIN_LADSPA:
                self.ui.tableWidget.hideRow(i)
            elif hideDssi and ptype == PLUGIN_DSSI:
                self.ui.tableWidget.hideRow(i)
            elif hideLV2 and ptype == PLUGIN_LV2:
                self.ui.tableWidget.hideRow(i)
            elif hideVST2 and ptype == PLUGIN_VST2:
                self.ui.tableWidget.hideRow(i)
            elif hideVST3 and ptype == PLUGIN_VST3:
                self.ui.tableWidget.hideRow(i)
            elif hideAU and ptype == PLUGIN_AU:
                self.ui.tableWidget.hideRow(i)
            elif hideJSFX and ptype == PLUGIN_JSFX:
                self.ui.tableWidget.hideRow(i)
            elif hideNative and isNative:
                self.ui.tableWidget.hideRow(i)
            elif hideBridged and isBridged:
                self.ui.tableWidget.hideRow(i)
            elif hideBridgedWine and isBridgedWine:
                self.ui.tableWidget.hideRow(i)
            elif hideNonRtSafe and not isRtSafe:
                self.ui.tableWidget.hideRow(i)
            elif hideNonCV and not hasCV:
                self.ui.tableWidget.hideRow(i)
            elif hideNonGui and not hasGui:
                self.ui.tableWidget.hideRow(i)
            elif hideNonIDisp and not hasIDisp:
                self.ui.tableWidget.hideRow(i)
            elif hideNonStereo and not isStereo:
                self.ui.tableWidget.hideRow(i)
            elif text and not all(t in ptext for t in text.strip().split(' ')):
                self.ui.tableWidget.hideRow(i)
            elif hideNonFavs and self._createFavoritePluginDict(plugin) not in self.fFavoritePlugins:
                self.ui.tableWidget.hideRow(i)
            elif (self.ui.ch_cat_all.isChecked() or
                  (self.ui.ch_cat_delay.isChecked() and categ == "delay") or
                  (self.ui.ch_cat_distortion.isChecked() and categ == "distortion") or
                  (self.ui.ch_cat_dynamics.isChecked() and categ == "dynamics") or
                  (self.ui.ch_cat_eq.isChecked() and categ == "eq") or
                  (self.ui.ch_cat_filter.isChecked() and categ == "filter") or
                  (self.ui.ch_cat_modulator.isChecked() and categ == "modulator") or
                  (self.ui.ch_cat_synth.isChecked() and categ == "synth") or
                  (self.ui.ch_cat_utility.isChecked() and categ == "utility") or
                  (self.ui.ch_cat_other.isChecked() and categ == "other")):
                self.ui.tableWidget.showRow(i)
            else:
                self.ui.tableWidget.hideRow(i)

    # --------------------------------------------------------------------------------------------------------

    def _addPluginToTable(self, plugin, ptype):
        if plugin['API'] != PLUGIN_QUERY_API_VERSION:
            return
        if ptype in (self.tr("Internal"), "LV2", "SF2", "SFZ", "JSFX"):
            plugin['build'] = BINARY_NATIVE

        index = self.fLastTableIndex

        isFav = bool(self._createFavoritePluginDict(plugin) in self.fFavoritePlugins)
        favItem = QTableWidgetItem()
        favItem.setCheckState(Qt.Checked if isFav else Qt.Unchecked)
        favItem.setText(" " if isFav else "  ")

        pluginText = (plugin['name']+plugin['label']+plugin['maker']+plugin['filename']).lower()
        self.ui.tableWidget.setItem(index, self.TABLEWIDGET_ITEM_FAVORITE, favItem)
        self.ui.tableWidget.setItem(index, self.TABLEWIDGET_ITEM_NAME, QTableWidgetItem(plugin['name']))
        self.ui.tableWidget.setItem(index, self.TABLEWIDGET_ITEM_LABEL, QTableWidgetItem(plugin['label']))
        self.ui.tableWidget.setItem(index, self.TABLEWIDGET_ITEM_MAKER, QTableWidgetItem(plugin['maker']))
        self.ui.tableWidget.setItem(index, self.TABLEWIDGET_ITEM_BINARY, QTableWidgetItem(os.path.basename(plugin['filename'])))
        self.ui.tableWidget.item(index, self.TABLEWIDGET_ITEM_NAME).setData(Qt.UserRole+1, plugin)
        self.ui.tableWidget.item(index, self.TABLEWIDGET_ITEM_NAME).setData(Qt.UserRole+2, pluginText)

        self.fLastTableIndex += 1

    # --------------------------------------------------------------------------------------------------------

    def _reAddInternalHelper(self, settingsDB, ptype, path):
        if ptype == PLUGIN_INTERNAL:
            ptypeStr   = "Internal"
            ptypeStrTr = self.tr("Internal")
        elif ptype == PLUGIN_LV2:
            ptypeStr   = "LV2"
            ptypeStrTr = ptypeStr
        elif ptype == PLUGIN_AU:
            ptypeStr   = "AU"
            ptypeStrTr = ptypeStr
        #elif ptype == PLUGIN_SFZ:
            #ptypeStr   = "SFZ"
            #ptypeStrTr = ptypeStr
        # TODO(jsfx) what to do here?
        else:
            return 0

        plugins     = settingsDB.value("Plugins/" + ptypeStr, [], list)
        pluginCount = settingsDB.value("PluginCount/" + ptypeStr, 0, int)

        if ptype == PLUGIN_AU:
            gCarla.utils.juce_init()

        pluginCountNew = gCarla.utils.get_cached_plugin_count(ptype, path)

        if pluginCountNew != pluginCount or len(plugins) != pluginCount or (len(plugins) > 0 and plugins[0]['API'] != PLUGIN_QUERY_API_VERSION):
            plugins     = []
            pluginCount = pluginCountNew

            QApplication.processEvents(QEventLoop.ExcludeUserInputEvents, 50)
            if ptype == PLUGIN_AU:
                gCarla.utils.juce_idle()

            for i in range(pluginCountNew):
                descInfo = gCarla.utils.get_cached_plugin_info(ptype, i)

                if not descInfo['valid']:
                    continue

                info = checkPluginCached(descInfo, ptype)

                plugins.append(info)

                if i % 50 == 0:
                    QApplication.processEvents(QEventLoop.ExcludeUserInputEvents, 50)
                    if ptype == PLUGIN_AU:
                        gCarla.utils.juce_idle()

            settingsDB.setValue("Plugins/" + ptypeStr, plugins)
            settingsDB.setValue("PluginCount/" + ptypeStr, pluginCount)

        if ptype == PLUGIN_AU:
            gCarla.utils.juce_cleanup()

        # prepare rows in advance
        self.ui.tableWidget.setRowCount(self.fLastTableIndex + len(plugins))

        for plugin in plugins:
            self._addPluginToTable(plugin, ptypeStrTr)

        return pluginCount

    def _reAddPlugins(self):
        settingsDB = QSafeSettings("falkTX", "CarlaPlugins5")

        self.fLastTableIndex = 0
        self.ui.tableWidget.setSortingEnabled(False)
        self.ui.tableWidget.clearContents()

        settings = QSafeSettings("falkTX", "Carla2")
        LV2_PATH = splitter.join(settings.value(CARLA_KEY_PATHS_LV2, CARLA_DEFAULT_LV2_PATH, list))
        del settings

        # ----------------------------------------------------------------------------------------------------
        # plugins handled through backend

        internalCount = self._reAddInternalHelper(settingsDB, PLUGIN_INTERNAL, "")
        lv2Count      = self._reAddInternalHelper(settingsDB, PLUGIN_LV2, LV2_PATH)
        auCount       = self._reAddInternalHelper(settingsDB, PLUGIN_AU, "") if MACOS else 0

        # ----------------------------------------------------------------------------------------------------
        # LADSPA

        ladspaPlugins  = []
        ladspaPlugins += settingsDB.value("Plugins/LADSPA_native", [], list)
        ladspaPlugins += settingsDB.value("Plugins/LADSPA_posix32", [], list)
        ladspaPlugins += settingsDB.value("Plugins/LADSPA_posix64", [], list)
        ladspaPlugins += settingsDB.value("Plugins/LADSPA_win32", [], list)
        ladspaPlugins += settingsDB.value("Plugins/LADSPA_win64", [], list)

        # ----------------------------------------------------------------------------------------------------
        # DSSI

        dssiPlugins  = []
        dssiPlugins += settingsDB.value("Plugins/DSSI_native", [], list)
        dssiPlugins += settingsDB.value("Plugins/DSSI_posix32", [], list)
        dssiPlugins += settingsDB.value("Plugins/DSSI_posix64", [], list)
        dssiPlugins += settingsDB.value("Plugins/DSSI_win32", [], list)
        dssiPlugins += settingsDB.value("Plugins/DSSI_win64", [], list)

        # ----------------------------------------------------------------------------------------------------
        # VST2

        vst2Plugins  = []
        vst2Plugins += settingsDB.value("Plugins/VST2_native", [], list)
        vst2Plugins += settingsDB.value("Plugins/VST2_posix32", [], list)
        vst2Plugins += settingsDB.value("Plugins/VST2_posix64", [], list)
        vst2Plugins += settingsDB.value("Plugins/VST2_win32", [], list)
        vst2Plugins += settingsDB.value("Plugins/VST2_win64", [], list)

        # ----------------------------------------------------------------------------------------------------
        # VST3

        vst3Plugins  = []
        vst3Plugins += settingsDB.value("Plugins/VST3_native", [], list)
        vst3Plugins += settingsDB.value("Plugins/VST3_posix32", [], list)
        vst3Plugins += settingsDB.value("Plugins/VST3_posix64", [], list)
        vst3Plugins += settingsDB.value("Plugins/VST3_win32", [], list)
        vst3Plugins += settingsDB.value("Plugins/VST3_win64", [], list)

        # ----------------------------------------------------------------------------------------------------
        # AU (extra non-cached)

        auPlugins32 = settingsDB.value("Plugins/AU_posix32", [], list) if MACOS else []

        # ----------------------------------------------------------------------------------------------------
        # JSFX

        jsfxPlugins = settingsDB.value("Plugins/JSFX", [], list)

        # ----------------------------------------------------------------------------------------------------
        # Kits

        sf2s = settingsDB.value("Plugins/SF2", [], list)
        sfzs = settingsDB.value("Plugins/SFZ", [], list)

        # ----------------------------------------------------------------------------------------------------
        # count plugins first, so we can create rows in advance

        ladspaCount = 0
        dssiCount   = 0
        vstCount    = 0
        vst3Count   = 0
        au32Count   = 0
        jsfxCount   = len(jsfxPlugins)
        sf2Count    = 0
        sfzCount    = len(sfzs)

        for plugins in ladspaPlugins:
            ladspaCount += len(plugins)

        for plugins in dssiPlugins:
            dssiCount += len(plugins)

        for plugins in vst2Plugins:
            vstCount += len(plugins)

        for plugins in vst3Plugins:
            vst3Count += len(plugins)

        for plugins in auPlugins32:
            au32Count += len(plugins)

        for plugins in sf2s:
            sf2Count += len(plugins)

        self.ui.tableWidget.setRowCount(self.fLastTableIndex +
                                        ladspaCount + dssiCount + vstCount + vst3Count + au32Count + jsfxCount +
                                        sf2Count + sfzCount)

        if MACOS:
            self.ui.label.setText(self.tr("Have %i Internal, %i LADSPA, %i DSSI, %i LV2, %i VST2, %i VST3, %i AudioUnit plugins and %i JSFX plugins, plus %i Sound Kits" % (
                                          internalCount, ladspaCount, dssiCount, lv2Count, vstCount, vst3Count, auCount+au32Count, jsfxCount, sf2Count+sfzCount)))
        else:
            self.ui.label.setText(self.tr("Have %i Internal, %i LADSPA, %i DSSI, %i LV2, %i VST2, %i VST3 plugins and %i JSFX plugins, plus %i Sound Kits" % (
                                          internalCount, ladspaCount, dssiCount, lv2Count, vstCount, vst3Count, jsfxCount, sf2Count+sfzCount)))

        # ----------------------------------------------------------------------------------------------------
        # now add all plugins to the table

        for plugins in ladspaPlugins:
            for plugin in plugins:
                self._addPluginToTable(plugin, "LADSPA")

        for plugins in dssiPlugins:
            for plugin in plugins:
                self._addPluginToTable(plugin, "DSSI")

        for plugins in vst2Plugins:
            for plugin in plugins:
                self._addPluginToTable(plugin, "VST2")

        for plugins in vst3Plugins:
            for plugin in plugins:
                self._addPluginToTable(plugin, "VST3")

        for plugins in auPlugins32:
            for plugin in plugins:
                self._addPluginToTable(plugin, "AU")

        for plugin in jsfxPlugins:
            self._addPluginToTable(plugin, "JSFX")

        for sf2 in sf2s:
            for sf2_i in sf2:
                self._addPluginToTable(sf2_i, "SF2")

        for sfz in sfzs:
            self._addPluginToTable(sfz, "SFZ")

        # ----------------------------------------------------------------------------------------------------

        self.ui.tableWidget.setSortingEnabled(True)
        self._checkFilters()
        self.slot_checkPlugin(self.ui.tableWidget.currentRow())

    # --------------------------------------------------------------------------------------------------------

    def showEvent(self, event):
        self.slot_focusSearchFieldAndSelectAll()
        QDialog.showEvent(self, event)

# ---------------------------------------------------------------------------------------------------------------------
# Jack Application Dialog

class JackApplicationW(QDialog):
    SESSION_MGR_NONE   = 0
    SESSION_MGR_AUTO   = 1
    SESSION_MGR_JACK   = 2
    SESSION_MGR_LADISH = 3
    SESSION_MGR_NSM    = 4

    UI_SESSION_NONE   = 0
    UI_SESSION_LADISH = 1
    UI_SESSION_NSM    = 2

    FLAG_CONTROL_WINDOW              = 0x01
    FLAG_CAPTURE_FIRST_WINDOW        = 0x02
    FLAG_BUFFERS_ADDITION_MODE       = 0x10
    FLAG_MIDI_OUTPUT_CHANNEL_MIXDOWN = 0x20
    FLAG_EXTERNAL_START              = 0x40

    def __init__(self, parent, projectFilename):
        QDialog.__init__(self, parent)
        self.ui = ui_carla_add_jack.Ui_Dialog()
        self.ui.setupUi(self)

        print("Add JACK Application: current project filename is '%s'" % (projectFilename,))
        self.fProjectFilename = projectFilename
        self.ui.group_error.setVisible(False)

        self.adjustSize()
        self.setWindowFlags(self.windowFlags() & ~Qt.WindowContextHelpButtonHint)

        # --------------------------------------------------------------------------------------------------------------
        # Load settings

        self.loadSettings()

        # --------------------------------------------------------------------------------------------------------------
        # Set-up connections

        self.finished.connect(self.slot_saveSettings)
        self.ui.cb_session_mgr.currentIndexChanged.connect(self.slot_sessionManagerChanged)
        self.ui.le_command.textChanged.connect(self.slot_commandChanged)

    # -----------------------------------------------------------------------------------------------------------------

    def getCommandAndFlags(self):
        name    = self.ui.le_name.text()
        command = self.ui.le_command.text()
        smgr    = self.SESSION_MGR_NONE
        flags   = 0x0

        if not name:
            name = os.path.basename(command.split(" ",1)[0]).title()

        uiSessionMgrIndex = self.ui.cb_session_mgr.currentIndex()
        if uiSessionMgrIndex == self.UI_SESSION_LADISH:
            smgr = self.SESSION_MGR_LADISH
        elif uiSessionMgrIndex == self.UI_SESSION_NSM:
            smgr = self.SESSION_MGR_NSM

        if self.ui.cb_manage_window.isChecked():
            flags |= self.FLAG_CONTROL_WINDOW
        if self.ui.cb_capture_first_window.isChecked():
            flags |= self.FLAG_CAPTURE_FIRST_WINDOW
        if self.ui.cb_buffers_addition_mode.isChecked():
            flags |= self.FLAG_BUFFERS_ADDITION_MODE
        if self.ui.cb_out_midi_mixdown.isChecked():
            flags |= self.FLAG_MIDI_OUTPUT_CHANNEL_MIXDOWN
        if self.ui.cb_external_start.isChecked():
            flags |= self.FLAG_EXTERNAL_START

        baseIntVal = ord('0')
        labelSetup = "%s%s%s%s%s%s" % (chr(baseIntVal+self.ui.sb_audio_ins.value()),
                                       chr(baseIntVal+self.ui.sb_audio_outs.value()),
                                       chr(baseIntVal+self.ui.sb_midi_ins.value()),
                                       chr(baseIntVal+self.ui.sb_midi_outs.value()),
                                       chr(baseIntVal+smgr),
                                       chr(baseIntVal+flags))
        return (command, name, labelSetup)

    def checkIfButtonBoxShouldBeEnabled(self, index, text):
        enabled = len(text) > 0
        showErr = ""

        # NSM applications must not be abstract or absolute paths, and must not contain arguments
        if enabled and index == self.UI_SESSION_NSM:
            if text[0] in (".", "/"):
                showErr = self.tr("NSM applications cannot use abstract or absolute paths")
            elif " " in text or ";" in text or "&" in text:
                showErr = self.tr("NSM applications cannot use CLI arguments")
            elif len(self.fProjectFilename) == 0:
                showErr = self.tr("You need to save the current Carla project before NSM can be used")

        if showErr:
            enabled = False
            self.ui.l_error.setText(showErr)
            self.ui.group_error.setVisible(True)
        else:
            self.ui.group_error.setVisible(False)

        self.ui.buttonBox.button(QDialogButtonBox.Ok).setEnabled(enabled)

    def loadSettings(self):
        settings = QSafeSettings("falkTX", "CarlaAddJackApp")

        smName = settings.value("SessionManager", "", str)

        if smName == "LADISH (SIGUSR1)":
            self.ui.cb_session_mgr.setCurrentIndex(self.UI_SESSION_LADISH)
        elif smName == "NSM":
            self.ui.cb_session_mgr.setCurrentIndex(self.UI_SESSION_NSM)
        else:
            self.ui.cb_session_mgr.setCurrentIndex(self.UI_SESSION_NONE)

        self.ui.le_command.setText(settings.value("Command", "", str))
        self.ui.le_name.setText(settings.value("Name", "", str))
        self.ui.sb_audio_ins.setValue(settings.value("NumAudioIns", 2, int))
        self.ui.sb_audio_ins.setValue(settings.value("NumAudioIns", 2, int))
        self.ui.sb_audio_outs.setValue(settings.value("NumAudioOuts", 2, int))
        self.ui.sb_midi_ins.setValue(settings.value("NumMidiIns", 0, int))
        self.ui.sb_midi_outs.setValue(settings.value("NumMidiOuts", 0, int))
        self.ui.cb_manage_window.setChecked(settings.value("ManageWindow", True, bool))
        self.ui.cb_capture_first_window.setChecked(settings.value("CaptureFirstWindow", False, bool))
        self.ui.cb_out_midi_mixdown.setChecked(settings.value("MidiOutMixdown", False, bool))

        self.checkIfButtonBoxShouldBeEnabled(self.ui.cb_session_mgr.currentIndex(),
                                             self.ui.le_command.text())

    # -----------------------------------------------------------------------------------------------------------------

    @pyqtSlot(str)
    def slot_commandChanged(self, text):
        self.checkIfButtonBoxShouldBeEnabled(self.ui.cb_session_mgr.currentIndex(), text)

    @pyqtSlot(int)
    def slot_sessionManagerChanged(self, index):
        self.checkIfButtonBoxShouldBeEnabled(index, self.ui.le_command.text())

    @pyqtSlot()
    def slot_saveSettings(self):
        settings = QSafeSettings("falkTX", "CarlaAddJackApp")
        settings.setValue("Command", self.ui.le_command.text())
        settings.setValue("Name", self.ui.le_name.text())
        settings.setValue("SessionManager", self.ui.cb_session_mgr.currentText())
        settings.setValue("NumAudioIns", self.ui.sb_audio_ins.value())
        settings.setValue("NumAudioOuts", self.ui.sb_audio_outs.value())
        settings.setValue("NumMidiIns", self.ui.sb_midi_ins.value())
        settings.setValue("NumMidiOuts", self.ui.sb_midi_outs.value())
        settings.setValue("ManageWindow", self.ui.cb_manage_window.isChecked())
        settings.setValue("CaptureFirstWindow", self.ui.cb_capture_first_window.isChecked())
        settings.setValue("MidiOutMixdown", self.ui.cb_out_midi_mixdown.isChecked())

# ---------------------------------------------------------------------------------------------------------------------
# Main

if __name__ == '__main__':
    from carla_app import CarlaApplication
    from carla_host import initHost as _initHost, loadHostSettings as _loadHostSettings
    # pylint: disable=ungrouped-imports
    from carla_shared import handleInitialCommandLineArguments
    # pylint: enable=ungrouped-imports

    initName, libPrefix = handleInitialCommandLineArguments(__file__ if "__file__" in dir() else None)

    app  = CarlaApplication("Carla2-Database", libPrefix)
    host = _initHost("Carla2-Database", libPrefix, False, False, False)
    _loadHostSettings(host)

    gui = PluginDatabaseW(None, host, True)
    #gui = PluginRefreshW(None, host, True, False)
    gui.show()

    app.exit_exec()

# ------------------------------------------------------------------------------------------------------------