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# -*- coding: utf-8 -*-
#
# This file is part of Linux Show Player
#
# Copyright 2012-2016 Francesco Ceruti <ceppofrancy@gmail.com>
#
# Linux Show Player 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 3 of the License, or
# (at your option) any later version.
#
# Linux Show Player 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.
#
# You should have received a copy of the GNU General Public License
# along with Linux Show Player. If not, see <http://www.gnu.org/licenses/>.
import os
from PyQt5 import QtCore
from PyQt5.QtCore import pyqtSignal
from PyQt5.QtGui import QKeySequence
from PyQt5.QtWidgets import QMainWindow, QStatusBar, QMenuBar, QMenu, QAction, \
qApp, QFileDialog, QDialog, QMessageBox, QVBoxLayout, QWidget
from lisp.core import configuration
from lisp.core.actions_handler import MainActionsHandler
from lisp.core.singleton import QSingleton
from lisp.cues.media_cue import MediaCue
from lisp.ui import about
from lisp.ui.settings.app_settings import AppSettings
from lisp.ui.ui_utils import translate
class MainWindow(QMainWindow, metaclass=QSingleton):
new_session = pyqtSignal()
save_session = pyqtSignal(str)
open_session = pyqtSignal(str)
def __init__(self):
super().__init__()
self.setMinimumSize(500, 400)
self.setCentralWidget(QWidget())
self.centralWidget().setLayout(QVBoxLayout())
self.centralWidget().layout().setContentsMargins(5, 5, 5, 5)
self._cue_add_menu = {}
self.layout = None
# Status Bar
self.statusBar = QStatusBar(self)
self.setStatusBar(self.statusBar)
MainActionsHandler.action_done.connect(self._action_done)
MainActionsHandler.action_undone.connect(self._action_undone)
MainActionsHandler.action_redone.connect(self._action_redone)
# Menubar
self.menubar = QMenuBar(self)
self.menubar.setGeometry(QtCore.QRect(0, 0, 0, 25))
self.menubar.setContextMenuPolicy(QtCore.Qt.PreventContextMenu)
self.menuFile = QMenu(self.menubar)
self.menuEdit = QMenu(self.menubar)
self.menuLayout = QMenu(self.menubar)
self.menuTools = QMenu(self.menubar)
self.menuAbout = QMenu(self.menubar)
self.menubar.addMenu(self.menuFile)
self.menubar.addMenu(self.menuEdit)
self.menubar.addMenu(self.menuLayout)
self.menubar.addMenu(self.menuTools)
self.menubar.addMenu(self.menuAbout)
self.setMenuBar(self.menubar)
# menuFile
self.newSessionAction = QAction(self)
self.newSessionAction.triggered.connect(self._new_session)
self.openSessionAction = QAction(self)
self.openSessionAction.triggered.connect(self._load_from_file)
self.saveSessionAction = QAction(self)
self.saveSessionAction.triggered.connect(self._save)
self.saveSessionWithName = QAction(self)
self.saveSessionWithName.triggered.connect(self._save_with_name)
self.editPreferences = QAction(self)
self.editPreferences.triggered.connect(self._show_preferences)
self.fullScreenAction = QAction(self)
self.fullScreenAction.triggered.connect(self._fullscreen)
self.fullScreenAction.setCheckable(True)
self.exitAction = QAction(self)
self.exitAction.triggered.connect(self._exit)
self.menuFile.addAction(self.newSessionAction)
self.menuFile.addAction(self.openSessionAction)
self.menuFile.addSeparator()
self.menuFile.addAction(self.saveSessionAction)
self.menuFile.addAction(self.saveSessionWithName)
self.menuFile.addSeparator()
self.menuFile.addAction(self.editPreferences)
self.menuFile.addSeparator()
self.menuFile.addAction(self.fullScreenAction)
self.menuFile.addSeparator()
self.menuFile.addAction(self.exitAction)
# menuEdit
self.actionUndo = QAction(self)
self.actionUndo.triggered.connect(MainActionsHandler.undo_action)
self.actionRedo = QAction(self)
self.actionRedo.triggered.connect(MainActionsHandler.redo_action)
self.multiEdit = QAction(self)
self.selectAll = QAction(self)
self.selectAllMedia = QAction(self)
self.deselectAll = QAction(self)
self.invertSelection = QAction(self)
self.cueSeparator = self.menuEdit.addSeparator()
self.menuEdit.addAction(self.actionUndo)
self.menuEdit.addAction(self.actionRedo)
self.menuEdit.addSeparator()
self.menuEdit.addAction(self.selectAll)
self.menuEdit.addAction(self.selectAllMedia)
self.menuEdit.addAction(self.deselectAll)
self.menuEdit.addAction(self.invertSelection)
self.menuEdit.addSeparator()
self.menuEdit.addAction(self.multiEdit)
# menuAbout
self.actionAbout = QAction(self)
self.actionAbout.triggered.connect(about.About(self).show)
self.actionAbout_Qt = QAction(self)
self.actionAbout_Qt.triggered.connect(qApp.aboutQt)
self.menuAbout.addAction(self.actionAbout)
self.menuAbout.addSeparator()
self.menuAbout.addAction(self.actionAbout_Qt)
# Set component text
self.retranslateUi()
# The save file name
self.filename = ''
def retranslateUi(self):
self.setWindowTitle('Linux Show Player')
# menuFile
self.menuFile.setTitle(translate('MainWindow', '&File'))
self.newSessionAction.setText(translate('MainWindow', 'New session'))
self.newSessionAction.setShortcut(QKeySequence.New)
self.openSessionAction.setText(translate('MainWindow', 'Open'))
self.openSessionAction.setShortcut(QKeySequence.Open)
self.saveSessionAction.setText(translate('MainWindow', 'Save session'))
self.saveSessionAction.setShortcut(QKeySequence.Save)
self.editPreferences.setText(translate('MainWindow', 'Preferences'))
self.editPreferences.setShortcut(QKeySequence.Preferences)
self.saveSessionWithName.setText(translate('MainWindow', 'Save as'))
self.saveSessionWithName.setShortcut(QKeySequence.SaveAs)
self.fullScreenAction.setText(translate('MainWindow', 'Full Screen'))
self.fullScreenAction.setShortcut(QKeySequence.FullScreen)
self.exitAction.setText(translate('MainWindow', 'Exit'))
# menuEdit
self.menuEdit.setTitle(translate('MainWindow', '&Edit'))
self.actionUndo.setText(translate('MainWindow', 'Undo'))
self.actionUndo.setShortcut(QKeySequence.Undo)
self.actionRedo.setText(translate('MainWindow', 'Redo'))
self.actionRedo.setShortcut(QKeySequence.Redo)
self.selectAll.setText(translate('MainWindow', 'Select all'))
self.selectAllMedia.setText(
translate('MainWindow', 'Select all media cues'))
self.selectAll.setShortcut(QKeySequence.SelectAll)
self.deselectAll.setText(translate('MainWindow', 'Deselect all'))
self.deselectAll.setShortcut(translate('MainWindow', 'CTRL+SHIFT+A'))
self.invertSelection.setText(
translate('MainWindow', 'Invert selection'))
self.invertSelection.setShortcut(translate('MainWindow', 'CTRL+I'))
self.multiEdit.setText(translate('MainWindow', 'Edit selected'))
self.multiEdit.setShortcut(translate('MainWindow', 'CTRL+SHIFT+E'))
# menuLayout
self.menuLayout.setTitle(translate('MainWindow', '&Layout'))
# menuTools
self.menuTools.setTitle(translate('MainWindow', '&Tools'))
self.multiEdit.setText(translate('MainWindow', 'Edit selection'))
# menuAbout
self.menuAbout.setTitle(translate('MainWindow', '&About'))
self.actionAbout.setText(translate('MainWindow', 'About'))
self.actionAbout_Qt.setText(translate('MainWindow', 'About Qt'))
def set_layout(self, layout):
if self.layout is not None:
self.layout.hide()
self.centralWidget().layout().removeWidget(self.layout)
self.multiEdit.triggered.disconnect()
self.selectAll.triggered.disconnect()
self.selectAllMedia.triggered.disconnect()
self.deselectAll.triggered.disconnect()
self.invertSelection.triggered.disconnect()
self.filename = ""
self.layout = layout
self.centralWidget().layout().addWidget(self.layout)
self.layout.show()
self.multiEdit.triggered.connect(self.layout.edit_selected_cues)
self.selectAll.triggered.connect(lambda: self.layout.select_all())
self.selectAllMedia.triggered.connect(
lambda: self.layout.select_all(MediaCue))
self.deselectAll.triggered.connect(lambda: self.layout.deselect_all())
self.invertSelection.triggered.connect(self.layout.invert_selection)
def closeEvent(self, event):
self._exit()
event.ignore()
def register_cue_menu_action(self, name, function, category='',
shortcut=''):
'''Register a new-cue choice for the edit-menu
param name: The name for the MenuAction
param function: The function that add the new cue(s)
param category: The optional menu where insert the MenuAction
param shortcut: An optional shortcut for the MenuAction
'''
action = QAction(self)
action.setText(translate('MainWindow', name))
action.triggered.connect(function)
if shortcut != '':
action.setShortcut(translate('MainWindow', shortcut))
if category != '':
if category not in self._cue_add_menu:
menu = QMenu(category, self)
self._cue_add_menu[category] = menu
self.menuEdit.insertMenu(self.cueSeparator, menu)
self._cue_add_menu[category].addAction(action)
else:
self.menuEdit.insertAction(self.cueSeparator, action)
def update_window_title(self):
saved = MainActionsHandler.is_saved()
if not saved and not self.windowTitle()[0] == '*':
self.setWindowTitle('*' + self.windowTitle())
elif saved and self.windowTitle()[0] == '*':
self.setWindowTitle(self.windowTitle()[1:])
def _action_done(self, action):
self.statusBar.showMessage(action.log())
self.update_window_title()
def _action_undone(self, action):
self.statusBar.showMessage(
translate('MainWindow', 'Undone: ') + action.log())
self.update_window_title()
def _action_redone(self, action):
self.statusBar.showMessage(
translate('MainWindow', 'Redone: ') + action.log())
self.update_window_title()
def _save(self):
if self.filename == '':
self._save_with_name()
else:
self.save_session.emit(self.filename)
def _save_with_name(self):
filename, _ = QFileDialog.getSaveFileName(parent=self,
filter='*.lsp',
directory=os.getenv('HOME'))
if filename != '':
if not filename.endswith('.lsp'):
filename += '.lsp'
self.filename = filename
self._save()
def _show_preferences(self):
prefUi = AppSettings(configuration.config_to_dict(), parent=self)
prefUi.exec_()
if prefUi.result() == QDialog.Accepted:
configuration.update_config_from_dict(prefUi.get_configuraton())
def _load_from_file(self):
if self._check_saved():
path, _ = QFileDialog.getOpenFileName(self, filter='*.lsp',
directory=os.getenv('HOME'))
if os.path.exists(path):
self.open_session.emit(path)
self.filename = path
def _new_session(self):
if self._check_saved():
self.new_session.emit()
def _check_saved(self):
if not MainActionsHandler.is_saved():
msgBox = QMessageBox(self)
msgBox.setIcon(QMessageBox.Warning)
msgBox.setWindowTitle(translate('MainWindow', 'Close session'))
msgBox.setText(
translate('MainWindow', 'The current session is not saved.'))
msgBox.setInformativeText(
translate('MainWindow', 'Discard the changes?'))
msgBox.setStandardButtons(QMessageBox.Save | QMessageBox.Discard |
QMessageBox.Cancel)
msgBox.setDefaultButton(QMessageBox.Save)
result = msgBox.exec_()
if result == QMessageBox.Cancel:
return False
elif result == QMessageBox.Save:
self._save()
return True
def _fullscreen(self, enable):
if enable:
self.showFullScreen()
else:
self.showMaximized()
def _exit(self):
if self._check_saved():
qApp.quit()
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