scmgr.py

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

#-------------------------------------------------------------------------------
#
#    Project: KiCad Tools
#    
#    Name:    KiCad Schematic Component Manager
#   
#    Purpose: Main program file      
#
#    Copyright (c) 2016, emb-lib Project Team
#
#    Permission is hereby granted, free of charge, to any person
#    obtaining  a copy of this software and associated documentation
#    files (the "Software"), to deal in the Software without restriction,
#    including without limitation the rights to use, copy, modify, merge,
#    publish, distribute, sublicense, and/or sell copies of the Software,
#    and to permit persons to whom the Software is furnished to do so,
#    subject to the following conditions:
#
#    The above copyright notice and this permission notice shall be included
#    in all copies or substantial portions of the Software.
#
#    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
#    EXPRESS  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
#    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
#    IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
#    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
#    TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
#    THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
#-------------------------------------------------------------------------------

import sys
import os
import re
import shutil

run_path, filename = os.path.split(  os.path.abspath(__file__) )
resources_path = os.path.join( run_path, 'scmgr' )
sys.path.append( resources_path )
                
from inspector import *
from selector  import *
from cmptable  import *
from utils     import *
from cmpmgr    import *

from PyQt5.Qt        import Qt
from PyQt5.QtWidgets import (QWidget, QMainWindow, QApplication,
                             QGroupBox,  QVBoxLayout,QHBoxLayout, QSplitter, 
                             QTextBrowser, QTableWidget, QTableWidgetItem, 
                             QListWidget, QListWidgetItem,QAbstractItemView, QHeaderView, 
                             QAction, QDialog, QFileDialog, QInputDialog, 
                             QTabWidget, QPushButton, QDialogButtonBox)


from PyQt5.Qt     import QShortcut, QKeySequence
from PyQt5.QtGui  import QIcon, QBrush, QColor, QKeyEvent, QFont
from PyQt5.QtCore import QSettings, pyqtSignal, QObject, QEvent, QModelIndex, QItemSelectionModel, QUrl
from PyQt5.QtCore import QT_VERSION_STR
        
VERSION = '0.1.0'
                                
#-------------------------------------------------------------------------------
class TSettingsDialog(QDialog):
    
    #-----------------------------------------------------------------
    class TCmpViewTable(QTableWidget):
        #---------------------------------------------------
        class EventFilter(QObject):
            def __init__(self, parent):
                super().__init__(parent)
                self.Parent = parent

            def eventFilter(self, obj, e):
                if e.type() == QEvent.KeyPress:
                    if e.key() == Qt.Key_Delete:
                        curr_row = self.Parent.currentRow()
                        self.Parent.removeRow(curr_row)
                        self.Parent.selectRow(curr_row)
                        return True
                
                return False        
        #-------------------------------------------------------------
        def __init__(self, parent, data_dict):
            super().__init__(0, 2, parent)
            
            self.installEventFilter(self.EventFilter(self))
        
            self.setSelectionBehavior(QAbstractItemView.SelectRows)  # select whole row
            self.horizontalHeader().setSectionResizeMode(0, QHeaderView.Interactive)
            self.horizontalHeader().setStretchLastSection(True)
            self.verticalHeader().setSectionResizeMode(QHeaderView.Fixed)
            self.verticalHeader().setDefaultSectionSize(20)
            self.setHorizontalHeaderLabels( ('Ref Base', 'Property Pattern') )
            
            keys = list( data_dict.keys() )
            keys.sort()    

            self.setRowCount(64)

            for idx, k in enumerate( keys ):
                RefBase = QTableWidgetItem(k)
                Pattern = QTableWidgetItem(data_dict[k])
                self.setItem(idx, 0, RefBase)
                self.setItem(idx, 1, Pattern)

            self.selectRow(0)
        #-------------------------------------------------------------
        def data_dict(self):
            res = {}
            for row in range(self.rowCount()):
                if self.item(row, 0):
                    res[self.item(row, 0).data(Qt.DisplayRole)] = self.item(row, 1).data(Qt.DisplayRole)
                    
            return res
            
    #-----------------------------------------------------------------        
    class TIgnoreCmpList(QListWidget):
        #---------------------------------------------------
        class EventFilter(QObject):
            def __init__(self, parent):
                super().__init__(parent)
                self.Parent = parent

            def eventFilter(self, obj, e):
                if e.type() == QEvent.KeyPress:
                    if e.key() == Qt.Key_Insert:
                        print('insert item')
                        self.Parent.add_item()
                        
                        return True

                    if e.key() == Qt.Key_Delete:
                        self.Parent.remove_item()
                        return True

                return False        
        #---------------------------------------------------
        def __init__(self, parent, data_list):
            super().__init__(parent)
            self.installEventFilter(self.EventFilter(self))
            
            data_list.sort()
            self.addItems( data_list )
            self.setAlternatingRowColors(True)
            for row in range(self.count()):
                item = self.item(row)
                item.setFlags(item.flags() | Qt.ItemIsEditable)
            
            #self.setEnabled(True)
            #self.setEditTriggers(QAbstractItemView.DoubleClicked | QAbstractItemView.EditKeyPressed)
        #---------------------------------------------------
        def add_item(self):
            text, ok = QInputDialog.getText(self, 'Add Component Reference', 'Enter Component Reference Pattern')
            if ok:
                self.addItem(text)
                print(self.count())
                
            print(self.data_list())
        #---------------------------------------------------
        def remove_item(self):
            curr_row = self.currentRow()
            self.takeItem(curr_row)
            
        #---------------------------------------------------
        def data_list(self):
            res = []
            for row in range(self.count()):
                res.append(self.item(row).data(Qt.DisplayRole))
                
            res.sort()
            return res
    #-----------------------------------------------------------------
    def __init__(self, parent):
        
        #---------------------------------------------------
        super().__init__(parent)
        self.Parent = parent
        #---------------------------------------------------
        Settings = QSettings('kicad-tools', 'Schematic Component Manager')
        if Settings.contains('component-view'):
            CmpViewDict = Settings.value('component-view')
        else:
            CmpViewDict = { 'C' : '$Value, $Footprint', 
                            'D' : '$LibRef', 
                            'R' : '$Value, $Footprint' }
            
        if Settings.contains('component-ignore'):
            IgnoreCmpRefsList = Settings.value('component-ignore')
        else:
            IgnoreCmpRefsList = []

        #---------------------------------------------------
        self.CmpViewTable  = self.TCmpViewTable(self, CmpViewDict)
        self.IgnoreCmpList = self.TIgnoreCmpList(self, IgnoreCmpRefsList)
        #---------------------------------------------------
        self.Tabs = QTabWidget(self)
        self.Tabs.addTab(self.CmpViewTable, 'Component View')
        self.Tabs.addTab(self.IgnoreCmpList, 'Ignore Component List')
        #---------------------------------------------------
        self.ButtonBox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
        self.ButtonBox.accepted.connect(self.save_settings)
        self.ButtonBox.rejected.connect(self.cancel)
        #---------------------------------------------------
        self.Layout = QVBoxLayout(self)
        self.Layout.addWidget(self.Tabs)
        self.Layout.addWidget(self.ButtonBox)
        #---------------------------------------------------
        self.setWindowTitle('Settings')
        self.setModal(True)
        #---------------------------------------------------
        self.shortcutHelp  = QShortcut(QKeySequence(Qt.Key_F1), self)
        self.shortcutHelp.activated.connect(self.show_help)

    #-----------------------------------------------------------------    
    def save_settings(self):
        print('save settings')
        Settings = QSettings('kicad-tools', 'Schematic Component Manager')
        Settings.setValue('component-view', self.CmpViewTable.data_dict())
        Settings.setValue('component-ignore', self.IgnoreCmpList.data_list())

        curr_file = CmpMgr.curr_file_path()
        self.Parent.CmpTable.reload_file(curr_file)
        
        self.close()
    #-----------------------------------------------------------------        
    def cancel(self):
        print('close settings dialog')
        self.close()
    #---------------------------------------------------------------------------
    def show_help(self):
        help = THelpForm(self, 'Settings Dialog', 'settings.html')
#-------------------------------------------------------------------------------
class THelpForm(QWidget):
    
    def __init__(self, parent, title, path):
        #super().__init__(parent, Qt.WA_DeleteOnClose )
        super().__init__(parent, Qt.Window)
        
        self.text_browser   = QTextBrowser(self)
        #self.text_browser  = QWebEngineView(self)
        self.back_button    = QPushButton('Back', self)
        self.forward_button = QPushButton('Forward', self)
        self.close_button   = QPushButton('Close', self)
        
        self.layout = QVBoxLayout(self)
        self.btn_widget = QWidget(self)
        self.btn_layout = QHBoxLayout(self.btn_widget)
        self.btn_layout.addWidget(self.back_button)
        self.btn_layout.addWidget(self.forward_button)
        self.btn_layout.addStretch(1)
        self.btn_layout.addWidget(self.close_button)
        
        self.shortcutEscape  = QShortcut(QKeySequence(Qt.Key_Escape), self)
        self.shortcutEscape.activated.connect(self.close)
        
        self.layout.addWidget(self.btn_widget)
        self.layout.addWidget(self.text_browser)
        
        self.back_button.clicked.connect(self.text_browser.backward)
        self.forward_button.clicked.connect(self.text_browser.forward)
        self.close_button.clicked.connect(self.close)
        
        
        self.text_browser.setSearchPaths([os.path.join(resources_path, 'doc')])
        self.text_browser.setSource(QUrl(path))
#       f = QFont()
#       f.setPointSize(14)
#       self.text_browser.setFont(f)
        
        Settings = QSettings('kicad-tools', 'Schematic Component Manager')

        if Settings.contains('help-window'):
            self.restoreGeometry(Settings.value('help-window'))
            #pos_x, pos_y, width, height = Settings.value('help-window')
        else:
            pos_x, pos_y, width, height = 0, 0, 640, 640
            self.setGeometry(pos_x, pos_y, width, height)
        
        self.window().setWindowTitle(title)
        self.show()
    #--------------------------------------------------------------------------------
    def closeEvent(self, event):
        Settings = QSettings('kicad-tools', 'Schematic Component Manager')
        Settings.setValue( 'help-window', self.saveGeometry() )
#-------------------------------------------------------------------------------
class MainWindow(QMainWindow):
    
#    class EventFilter(QObject):
#        def __init__(self, parent):
#            super().__init__(parent)
#
#        def eventFilter(self, obj, e):
#            #print(obj.metaObject().className())
#
#            if e.type() == QEvent.KeyPress or e.type() == QEvent.ShortcutOverride:
#                key = e.key()
#                mod = e.modifiers()
#
#                print(str(e) + ' ' + str(e.type()) )
#
#                if mod == Qt.AltModifier:
#                    print('*'*30)
#                    print('alt pressed')
#                    if key == Qt.Key_Left or key == Qt.Key_Right:
#                        print('alt-left') if key == Qt.Key_Left else print('alt-right')
##                       action = QAbstractItemView.MoveLeft if key == Qt.Key_Left else QAbstractItemView.MoveRight
##                       idx = obj.moveCursor(action, Qt.NoModifier)
##                       item = obj.itemFromIndex(idx)
##                       obj.setCurrentItem(item)
#                        return True
#
#            return False


    PROGRAM_NAME = 'KiCad Schematic Component Manager'

    #--------------------------------------------------------------------------------
    class EventFilter(QObject):
        def __init__(self, parent):
            super().__init__(parent)

        def eventFilter(self, obj, e):
            if e.type() == QEvent.KeyPress or e.type() == QEvent.ShortcutOverride:
                key = e.key()
                mod = e.modifiers()

                #print(obj.focusWidget().metaObject().className())

            return False
    #--------------------------------------------------------------------------------
    def scroll_left(self):
        print('alt-left')
        if self.ToolIndex == 3 or self.ToolIndex == 2:
            self.ToolList[self.ToolIndex].finish_edit()
            
        self.ToolIndex -= 1
        if self.ToolIndex < 0:
            self.ToolIndex = len(self.ToolList) - 1
            
        print('Tool Index: ' + str(self.ToolIndex))
        self.ToolList[self.ToolIndex].setFocus()
    #--------------------------------------------------------------------------------    
    def scroll_right(self):
        print('alt-right')
        if self.ToolIndex == 3 or self.ToolIndex == 2:
            self.ToolList[self.ToolIndex].finish_edit()
            
        self.ToolIndex += 1
        if self.ToolIndex == len(self.ToolList):
            self.ToolIndex = 0

        print('Tool Index: ' + str(self.ToolIndex))
        self.ToolList[self.ToolIndex].setFocus()
    #--------------------------------------------------------------------------------    
    def mouse_change_tool(self, s):
        print('Tool ' + s)
        if s == 'CmpTable':
            self.ToolIndex = 0
        elif s == 'Selector':
            self.ToolIndex = 1
        elif s == 'Inspector':
            self.ToolIndex = 2
        elif s == 'FieldInspector':
            self.ToolIndex = 3
            
        if self.ToolIndex != 3:
            self.ToolList[3].finish_edit()  # save field properties when leave field inspector
    #--------------------------------------------------------------------------------    
    def add_user_property(self):
        self.Inspector.save_cmps()
        self.FieldInspector.save_fields()
        
        self.Inspector.add_property()
    #--------------------------------------------------------------------------------
    def remove_user_property(self):
        #self.Inspector.save_cmps()
        self.FieldInspector.save_fields()

        self.Inspector.remove_property()
    #--------------------------------------------------------------------------------        
    def rename_user_property(self):
        #self.Inspector.save_cmps()
        self.FieldInspector.save_fields()
                    
        self.Inspector.rename_property()
    #--------------------------------------------------------------------------------    
    def __init__(self):
        super().__init__()
        
        self.initUI()
        
        self.installEventFilter(self.EventFilter(self))
        
        self.setFocusPolicy(Qt.WheelFocus)
        self.setTabOrder(self.CmpTable,      self.Inspector )
        self.setTabOrder(self.Inspector,     self.Selector)
        self.setTabOrder(self.Selector,      self.FieldInspector)
        #self.setTabOrder(self.FieldInspector, self.CmpTable)

        #----------------------------------------------------
        #
        #   Application Hotkeys
        #
        self.shortcutLeft  = QShortcut(QKeySequence(Qt.ALT + Qt.Key_Left), self)
        self.shortcutRight = QShortcut(QKeySequence(Qt.ALT + Qt.Key_Right), self)
        self.shortcutLeft.setContext(Qt.ApplicationShortcut)
        self.shortcutRight.setContext(Qt.ApplicationShortcut)
        self.shortcutLeft.activated.connect(self.scroll_left)
        self.shortcutRight.activated.connect(self.scroll_right)
        
    #--------------------------------------------------------------------------------    
    def initUI(self):
        
        #----------------------------------------------------
        #
        #    Main Window
        #
        work_zone = QWidget(self)
        Layout    = QHBoxLayout(work_zone)
        self.setCentralWidget(work_zone)
        
        openAction = QAction(QIcon( os.path.join(resources_path, 'open24.png') ), 'Open', self)
        openAction.setShortcut('Ctrl+O')
        openAction.setStatusTip('Open Schematic File')
        openAction.triggered.connect(self.open_file)
        
        saveAction = QAction(QIcon( os.path.join(resources_path, 'save24.png') ), 'Save', self)
        saveAction.setShortcut('Ctrl+S')
        saveAction.setStatusTip('Save Schematic File')
        saveAction.triggered.connect(self.save_file)
                
        saveAsAction = QAction(QIcon( os.path.join(resources_path, 'save-as24.png') ), 'Save As...', self)
        saveAsAction.setShortcut('Ctrl+Shift+S')
        saveAsAction.setStatusTip('Save Schematic File As...')
        saveAsAction.triggered.connect(self.save_file_as)
        
                        
        exitAction = QAction(QIcon( os.path.join(resources_path, 'exit24.png') ), 'Exit', self)
        exitAction.setShortcut('Ctrl+Q')
        exitAction.setStatusTip('Exit application')
        exitAction.triggered.connect(self.close)
        
        settingsAction = QAction(QIcon( os.path.join(resources_path, 'settings24.png') ), 'Settings', self)
        settingsAction.setShortcut('Ctrl+Alt+S')
        settingsAction.setStatusTip('Edit settings')
        settingsAction.triggered.connect(self.edit_settings)
        
        helpAction = QAction(QIcon( os.path.join(resources_path, 'help_book24.png') ), 'User\'s Manual', self)
        helpAction.setShortcut('F1')
        helpAction.setStatusTip('User\'s Manual')
        helpAction.triggered.connect(self.show_user_manual_slot)
        
        helpSDAction = QAction(QIcon( os.path.join(resources_path, 'gear24.png') ), 'Settings Dialog', self)
        helpSDAction.setShortcut('Ctrl+F1')
        helpSDAction.setStatusTip('Settings Dialog Help')
        helpSDAction.triggered.connect(self.show_setting_dialog_help_slot)
                
        helpHKAction = QAction(QIcon( os.path.join(resources_path, 'rocket24.png') ), 'Hotkeys', self)
        helpHKAction.setShortcut('Shift+F1')
        helpHKAction.setStatusTip('Hotkeys Help')
        helpHKAction.triggered.connect(self.show_hotkeys_help_slot)

        self.statusBar().showMessage('Ready')

        #--------------------------------------------
        #
        #    Main Menu
        #
        menubar = self.menuBar()
        fileMenu = menubar.addMenu('&File')
        fileMenu.addAction(openAction)
        fileMenu.addAction(saveAction)
        fileMenu.addAction(saveAsAction)
        fileMenu.addAction(exitAction)

        #--------------------------------------------
        #
        #    Options Menu
        #
        optionsMenu = menubar.addMenu('&Options')
        optionsMenu.addAction(settingsAction)
        
        #--------------------------------------------
        #
        #    Help Menu
        #
        helpMenu = menubar.addMenu('&Help')
        helpMenu.addAction(helpAction)
        helpMenu.addAction(helpSDAction)
        helpMenu.addAction(helpHKAction)
                
        #--------------------------------------------
        #
        #    Toolbar
        #
        toolbar = self.addToolBar('Exit')
        toolbar.addAction(exitAction)        
        toolbar.addAction(openAction)        
        toolbar.addAction(saveAction)        
        toolbar.addAction(saveAsAction)        
        toolbar.addAction(settingsAction)        
        toolbar.addAction(helpAction)        
        
        #----------------------------------------------------
        #
        #    Settings Dialog
        #
        
        #----------------------------------------------------
        #
        #    Components Table
        #
        self.CmpTabBox    = QGroupBox('Components', self)
        self.CmpTabLayout = QVBoxLayout(self.CmpTabBox)
        self.CmpTabLayout.setContentsMargins(4,10,4,4)
        self.CmpTabLayout.setSpacing(10)

        self.CmpTabLayout.setSizeConstraint(QVBoxLayout.SetMaximumSize)

        self.CmpTable       = ComponentsTable(self) 
        #self.CmpChooseButton = QPushButton('Choose', self)
        
        self.CmpTabLayout.addWidget(self.CmpTable)
        #self.CmpTabLayout.addWidget(self.CmpChooseButton)
        
                
        #----------------------------------------------------
        #
        #    Selector
        #
        self.SelectorBox    = QGroupBox('Selector', self)
        self.SelectorLayout = QVBoxLayout(self.SelectorBox)
        self.SelectorLayout.setContentsMargins(4,10,4,4)
        self.SelectorLayout.setSpacing(2)
        
        self.SelectorBtnWidget = QWidget(self)
        self.SelectorBtnLayout = QHBoxLayout(self.SelectorBtnWidget)
        self.SelectorBtnLayout.setContentsMargins(4,10,4,4)
        self.SelectorBtnLayout.setSpacing(10)

        self.Selector = Selector(self)

        self.SelApplyButton = QPushButton('Apply', self)
        self.SelApplyButton.setToolTip('Alt+S: Apply selection patterns to components')

        self.SelClearButton = QPushButton('Clear', self)
        self.SelClearButton.setToolTip('Alt+C: Clear selection patterns')

        self.SelTemplateButton = QPushButton('Use Component', self)
        self.SelTemplateButton.setToolTip('Alt+T: Use Selected Component As Template')


        self.SelectorLayout.addWidget(self.Selector)
        self.SelectorBtnLayout.addWidget(self.SelTemplateButton)
        self.SelectorBtnLayout.addWidget(self.SelApplyButton)
        self.SelectorBtnLayout.addWidget(self.SelClearButton)
        self.SelectorLayout.addWidget(self.SelectorBtnWidget)
        
        self.shortcutSelApply = QShortcut(QKeySequence(Qt.ALT + Qt.Key_S), self)
        self.shortcutSelApply.activated.connect(self.Selector.apply_slot)
        
        self.shortcutSelClear = QShortcut(QKeySequence(Qt.ALT + Qt.Key_C), self)
        self.shortcutSelClear.activated.connect(self.Selector.clear_slot)
                
        self.shortcutSelTemplate = QShortcut(QKeySequence(Qt.ALT + Qt.Key_T), self)
        self.shortcutSelTemplate.activated.connect(self.Selector.use_comp_as_template_slot)
        
        #----------------------------------------------------
        #
        #    Inspector
        #
        self.Inspector       = Inspector(self)
        self.FieldInspector  = FieldInspector(self)

        self.InspectorBtnWidget = QWidget(self)
        self.InspectorBtnLayout = QHBoxLayout(self.InspectorBtnWidget)
        self.InspectorBtnLayout.setContentsMargins(4,10,4,4)
        self.InspectorBtnLayout.setSpacing(10)
        

        self.AddUserProperty    = QPushButton('Add Property', self)
        self.AddUserProperty.setToolTip('Alt+A: Add new user property')
        self.DeleteUserProperty = QPushButton('Delete Property', self)
        self.DeleteUserProperty.setToolTip('Alt+Delete: Delete user property')
        self.RenameUserProperty = QPushButton('Rename Property', self)
        self.RenameUserProperty.setToolTip('Alt+R: Rename user property')
        
        self.InspectorBox    = QGroupBox('Inspector', self)
        self.InspectorSplit  = QSplitter(Qt.Vertical, self)
        self.InspectorLayout = QVBoxLayout(self.InspectorBox)
        self.InspectorLayout.setContentsMargins(4,10,4,4)
        self.InspectorLayout.setSpacing(2)
        
        
        self.InspectorSplit.addWidget(self.Inspector)
        self.InspectorSplit.addWidget(self.FieldInspector)
        self.InspectorLayout.addWidget(self.InspectorSplit)
        
        self.InspectorBtnLayout.addWidget(self.AddUserProperty)
        self.InspectorBtnLayout.addWidget(self.DeleteUserProperty)
        self.InspectorBtnLayout.addWidget(self.RenameUserProperty)
                
        self.InspectorLayout.addWidget(self.InspectorBtnWidget)

        self.shortcutSelApply = QShortcut(QKeySequence(Qt.ALT + Qt.Key_A), self)
        self.shortcutSelApply.activated.connect(self.add_user_property)
        
        self.shortcutSelApply = QShortcut(QKeySequence(Qt.ALT + Qt.Key_Delete), self)
        self.shortcutSelApply.activated.connect(self.remove_user_property)
        
        self.shortcutSelApply = QShortcut(QKeySequence(Qt.ALT + Qt.Key_R), self)
        self.shortcutSelApply.activated.connect(self.rename_user_property)
        
        #----------------------------------------------------

        self.Splitter = QSplitter(self)
        self.Splitter.addWidget(self.CmpTabBox)
        self.Splitter.addWidget(self.SelectorBox)   
        self.Splitter.addWidget(self.InspectorBox) 
                 
        self.centralWidget().layout().addWidget(self.Splitter)
        
        
        #----------------------------------------------------
        #
        #     Signals and Slots connections
        #
        self.CmpTable.cells_chosen.connect(self.Inspector.load_cmp)
        self.CmpTable.cells_chosen.connect(self.Selector.comp_template_slot)
        self.CmpTable.file_load.connect(self.file_loaded_slot)
        self.CmpTable.cmps_updated.connect(self.Selector.process_comps_slot)
        self.CmpTable.cmps_selected.connect(self.set_status_text_slot)

        self.SelApplyButton.clicked.connect(self.Selector.apply_slot)
        self.SelClearButton.clicked.connect(self.Selector.clear_slot)
        self.SelTemplateButton.clicked.connect(self.Selector.use_comp_as_template_slot)
        
        self.Selector.select_comps_signal.connect(self.CmpTable.select_comps_slot)

        self.Inspector.load_field.connect(self.FieldInspector.load_field_slot)
        self.Inspector.update_comps.connect(self.data_changed_slot)
        self.Inspector.update_comps.connect(self.CmpTable.update_cmp_list_slot)
        self.FieldInspector.data_changed.connect(self.data_changed_slot)
        CmpMgr.file_saved.connect(self.file_saved_slot)
        
        self.CmpTable.mouse_click.connect(self.mouse_change_tool)
        self.Inspector.mouse_click.connect(self.mouse_change_tool)
        self.FieldInspector.mouse_click.connect(self.mouse_change_tool)

        self.Inspector.header().sectionResized.connect(self.FieldInspector.column_resize)
        
        self.AddUserProperty.clicked.connect(self.add_user_property)
        self.DeleteUserProperty.clicked.connect(self.remove_user_property)
        self.RenameUserProperty.clicked.connect(self.rename_user_property)
        
        #----------------------------------------------------
        self.ToolList = []
        self.ToolList.append(self.CmpTable)
        self.ToolList.append(self.Selector)
        self.ToolList.append(self.Inspector)
        self.ToolList.append(self.FieldInspector)
        self.ToolIndex = 0
        
        
        #----------------------------------------------------
        #
        #    Window
        #
        self.setWindowTitle(self.PROGRAM_NAME)
        Settings = QSettings('kicad-tools', 'Schematic Component Manager')
        #print(Settings.allKeys())
        if Settings.contains('geometry'):
            self.restoreGeometry( Settings.value('geometry') )
        else:
            self.setGeometry(100, 100, 1024, 768)

        if Settings.contains('cmptable'):
            w0, w1 = Settings.value('cmptable')
            self.CmpTable.setColumnWidth( 0, int(w0) )
            self.CmpTable.setColumnWidth( 1, int(w1) )
            
        if Settings.contains('selector'):
            w0, w1 = Settings.value('selector')
            self.Selector.setColumnWidth( 0, int(w0) )
            self.Selector.setColumnWidth( 1, int(w1) )
                        
        if Settings.contains('inspector'):
            w0, w1 = Settings.value('inspector')
            self.Inspector.setColumnWidth( 0, int(w0) )
            self.Inspector.setColumnWidth( 1, int(w1) )
            self.FieldInspector.setColumnWidth( 0, int(w0) )
            self.FieldInspector.setColumnWidth( 1, int(w1) )
            #self.Inspector.setColumnWidth( 2, int(w2) )
            
        if Settings.contains('splitter'):
            self.Splitter.restoreState( Settings.value('splitter') )
            
        if Settings.contains('inssplitter'):
            self.InspectorSplit.restoreState( Settings.value('inssplitter') )
            
        #----------------------------------------------------
        #
        #    Process command line arguments
        #
        if len(sys.argv) > 1:
            fname = sys.argv[1]
            if os.path.exists(fname):
                self.CmpTable.load_file(fname)
            else:
                print('E: input file "' + fname + '"does not exist')
            
        self.show()
    #---------------------------------------------------------------------------
    def closeEvent(self, event):
        Settings = QSettings('kicad-tools', 'Schematic Component Manager')
        Settings.setValue( 'geometry', self.saveGeometry() )
        Settings.setValue( 'cmptable',  [self.CmpTable.columnWidth(0), self.CmpTable.columnWidth(1)] )
        Settings.setValue( 'selector',  [self.Selector.columnWidth(0), self.Selector.columnWidth(1)] )
        Settings.setValue( 'inspector', [self.Inspector.columnWidth(0), self.Inspector.columnWidth(1)] )
        Settings.setValue( 'splitter', self.Splitter.saveState() )
        Settings.setValue( 'inssplitter', self.InspectorSplit.saveState() )
        QWidget.closeEvent(self, event)
    #---------------------------------------------------------------------------
    def open_file(self):
        #filename = QFileDialog.getOpenFileName(self, 'Open schematic file', '/opt/cad/kicad', 'KiCad Schematic Files (*.sch)')
        dialog = QFileDialog(self)
        dialog.setFileMode(QFileDialog.ExistingFile)
        dialog.setNameFilter('KiCad Schematic Files (*.sch)')
        
        filenames = []
        if dialog.exec_():
            filenames = dialog.selectedFiles()
        if len(filenames) == 0:
            return
        
        CmpMgr.set_curr_file_path( filenames[0] )
        self.CmpTable.load_file( filenames[0] )
    #---------------------------------------------------------------------------
    def save_file(self):
        self.FieldInspector.save_fields()
        self.Inspector.save_cmps()
        
        curr_file = CmpMgr.curr_file_path()
        message = 'Save File "' + curr_file + '"'
        print(message)
        self.statusBar().showMessage(message)
        
        CmpMgr.save_file(curr_file)
    #---------------------------------------------------------------------------
    def save_file_as(self):
        self.Inspector.save_cmps()
        self.FieldInspector.save_fields()
        filenames = QFileDialog.getSaveFileName(self, 'Save File As...', '', 'KiCad Schematic Files (*.sch)')
            
        if filenames[0] == '':
            return
            
        print('Save File As "' + filenames[0] + '"')
        CmpMgr.save_file(filenames[0])
        CmpMgr.set_curr_file_path( filenames[0] )
    #---------------------------------------------------------------------------
    def file_loaded_slot(self):
        text = CmpMgr.curr_file_path()
        self.set_title(text)
    #---------------------------------------------------------------------------
    def data_changed_slot(self):
        text = CmpMgr.curr_file_path() + ' *'
        self.set_title(text)
    #---------------------------------------------------------------------------
    def file_saved_slot(self):
        text = CmpMgr.curr_file_path()
        self.set_title(text)
    #---------------------------------------------------------------------------
    def set_title(self, text = ''):
        text = ' - ' + text if len(text) > 0 else ''
        self.setWindowTitle(self.PROGRAM_NAME + ' v' + VERSION + text)
    #---------------------------------------------------------------------------
    def set_status_text_slot(self, text):
        self.statusBar().showMessage(text)
    #---------------------------------------------------------------------------
    def edit_settings(self):
        print('edit settings')
        SettingsDialog = TSettingsDialog(self)
        SettingsDialog.resize(400, 400)
        SettingsDialog.Tabs.setMinimumWidth(800)
        SettingsDialog.show()
    #---------------------------------------------------------------------------
    def show_user_manual_slot(self):
        help = THelpForm(self, 'User\'s Manual', 'main.html')
    #---------------------------------------------------------------------------
    def show_setting_dialog_help_slot(self):
        help = THelpForm(self, 'Settings Dialog', 'settings.html')
    #---------------------------------------------------------------------------
    def show_hotkeys_help_slot(self):
        help = THelpForm(self, 'Hotkeys', 'hotkeys.html')
#-------------------------------------------------------------------------------
if __name__ == '__main__':

    print('Qt Version: ' + QT_VERSION_STR)
    
    app  = QApplication(sys.argv)
    
    with open( os.path.join(resources_path, 'scmgr.qss'), 'rb') as fqss:
        qss = fqss.read().decode()
        qss = re.sub(os.linesep, '', qss )
    app.setStyleSheet(qss)
    
    mwin = MainWindow()

    sys.exit( app.exec_() )
#-------------------------------------------------------------------------------