279 lines
9.1 KiB
Python
279 lines
9.1 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Common/Shared code
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# Copyright (C) 2010-2012 Filipe Coelho <falktx@falktx.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# For a full copy of the GNU General Public License see the COPYING file
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# ------------------------------------------------------------------------------------------------------------
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# Imports (Global)
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import os, sys
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from unicodedata import normalize
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from PyQt4.QtCore import qWarning, SIGNAL, SLOT
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from PyQt4.QtGui import QApplication, QFileDialog, QIcon, QMessageBox
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from codecs import open as codecopen
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# ------------------------------------------------------------------------------------------------------------
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# Set Platform
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if sys.platform == "darwin":
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from PyQt4.QtGui import qt_mac_set_menubar_icons
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qt_mac_set_menubar_icons(False)
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HAIKU = False
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LINUX = False
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MACOS = True
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WINDOWS = False
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elif "haiku" in sys.platform:
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HAIKU = True
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LINUX = False
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MACOS = False
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WINDOWS = False
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elif "linux" in sys.platform:
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HAIKU = False
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LINUX = True
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MACOS = False
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WINDOWS = False
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elif sys.platform in ("win32", "win64", "cygwin"):
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WINDIR = os.getenv("WINDIR")
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HAIKU = False
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LINUX = False
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MACOS = False
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WINDOWS = True
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else:
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HAIKU = False
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LINUX = False
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MACOS = False
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WINDOWS = False
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# ------------------------------------------------------------------------------------------------------------
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# Try Import Signal
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try:
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from signal import signal, SIGINT, SIGTERM, SIGUSR1, SIGUSR2
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haveSignal = True
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except:
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haveSignal = False
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# ------------------------------------------------------------------------------------------------------------
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# Set Version
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VERSION = "0.5.0"
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# ------------------------------------------------------------------------------------------------------------
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# Set Debug mode
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DEBUG = bool("-d" in sys.argv or "-debug" in sys.argv or "--debug" in sys.argv)
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# ------------------------------------------------------------------------------------------------------------
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# Global variables
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global x_gui
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x_gui = None
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# ------------------------------------------------------------------------------------------------------------
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# Set TMP
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TMP = os.getenv("TMP")
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if TMP is None:
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if WINDOWS:
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qWarning("TMP variable not set")
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TMP = os.path.join(WINDIR, "temp")
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else:
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TMP = "/tmp"
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# ------------------------------------------------------------------------------------------------------------
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# Set HOME
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HOME = os.getenv("HOME")
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if HOME is None:
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HOME = os.path.expanduser("~")
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if LINUX or MACOS:
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qWarning("HOME variable not set")
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if not os.path.exists(HOME):
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qWarning("HOME does not exist")
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HOME = TMP
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# ------------------------------------------------------------------------------------------------------------
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# Set PATH
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PATH = os.getenv("PATH")
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if PATH is None:
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qWarning("PATH variable not set")
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if MACOS:
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PATH = ("/opt/local/bin", "/usr/local/bin", "/usr/bin", "/bin")
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elif WINDOWS:
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PATH = (os.path.join(WINDIR, "system32"), WINDIR)
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else:
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PATH = ("/usr/local/bin", "/usr/bin", "/bin")
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else:
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PATH = PATH.split(os.pathsep)
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# ------------------------------------------------------------------------------------------------------------
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# Remove/convert non-ascii chars from a string
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def asciiString(string):
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return normalize("NFKD", string).encode("ascii", "ignore").decode("utf-8")
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# ------------------------------------------------------------------------------------------------------------
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# Convert a ctypes c_char_p into a python string
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def cString(value):
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if not value:
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return ""
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if isinstance(value, str):
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return value
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return value.decode("utf-8", errors="ignore")
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# ------------------------------------------------------------------------------------------------------------
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# Check if a value is a number (float support)
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def isNumber(value):
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try:
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float(value)
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return True
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except:
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return False
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# ------------------------------------------------------------------------------------------------------------
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# Convert a value to a list
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def toList(value):
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if value is None:
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return []
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elif not isinstance(value, list):
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return [value]
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else:
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return value
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# ------------------------------------------------------------------------------------------------------------
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# Unicode open
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def uopen(filename, mode="r"):
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return codecopen(filename, encoding="utf-8", mode=mode)
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# ------------------------------------------------------------------------------------------------------------
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# QLineEdit and QPushButton combo
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def getAndSetPath(self_, currentPath, lineEdit):
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newPath = QFileDialog.getExistingDirectory(self_, self_.tr("Set Path"), currentPath, QFileDialog.ShowDirsOnly)
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if newPath:
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lineEdit.setText(newPath)
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return newPath
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# ------------------------------------------------------------------------------------------------------------
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# Get Icon from user theme, using our own as backup (Oxygen)
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def getIcon(icon, size=16):
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return QIcon.fromTheme(icon, QIcon(":/%ix%i/%s.png" % (size, size, icon)))
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# ------------------------------------------------------------------------------------------------------------
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# Custom MessageBox
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def CustomMessageBox(self_, icon, title, text, extraText="", buttons=QMessageBox.Yes|QMessageBox.No, defButton=QMessageBox.No):
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msgBox = QMessageBox(self_)
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msgBox.setIcon(icon)
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msgBox.setWindowTitle(title)
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msgBox.setText(text)
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msgBox.setInformativeText(extraText)
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msgBox.setStandardButtons(buttons)
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msgBox.setDefaultButton(defButton)
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return msgBox.exec_()
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# ------------------------------------------------------------------------------------------------------------
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# Signal handler
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def setUpSignals(self_):
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global x_gui
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x_gui = self_
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if not haveSignal:
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return
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signal(SIGINT, signalHandler)
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signal(SIGTERM, signalHandler)
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signal(SIGUSR1, signalHandler)
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signal(SIGUSR2, signalHandler)
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x_gui.connect(x_gui, SIGNAL("SIGTERM()"), closeWindowHandler)
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x_gui.connect(x_gui, SIGNAL("SIGUSR2()"), showWindowHandler)
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def signalHandler(sig, frame):
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global x_gui
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if sig in (SIGINT, SIGTERM):
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x_gui.emit(SIGNAL("SIGTERM()"))
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elif sig == SIGUSR1:
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x_gui.emit(SIGNAL("SIGUSR1()"))
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elif sig == SIGUSR2:
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x_gui.emit(SIGNAL("SIGUSR2()"))
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def closeWindowHandler():
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global x_gui
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x_gui.hide()
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x_gui.close()
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QApplication.instance().quit()
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def showWindowHandler():
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global x_gui
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if x_gui.isMaximized():
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x_gui.showMaximized()
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else:
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x_gui.showNormal()
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# ------------------------------------------------------------------------------------------------------------
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# Shared Icons
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def setIcons(self_, modes):
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if "canvas" in modes:
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self_.act_canvas_arrange.setIcon(getIcon("view-sort-ascending"))
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self_.act_canvas_refresh.setIcon(getIcon("view-refresh"))
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self_.act_canvas_zoom_fit.setIcon(getIcon("zoom-fit-best"))
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self_.act_canvas_zoom_in.setIcon(getIcon("zoom-in"))
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self_.act_canvas_zoom_out.setIcon(getIcon("zoom-out"))
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self_.act_canvas_zoom_100.setIcon(getIcon("zoom-original"))
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self_.act_canvas_print.setIcon(getIcon("document-print"))
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self_.b_canvas_zoom_fit.setIcon(getIcon("zoom-fit-best"))
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self_.b_canvas_zoom_in.setIcon(getIcon("zoom-in"))
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self_.b_canvas_zoom_out.setIcon(getIcon("zoom-out"))
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self_.b_canvas_zoom_100.setIcon(getIcon("zoom-original"))
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if "jack" in modes:
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self_.act_jack_clear_xruns.setIcon(getIcon("edit-clear"))
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self_.act_jack_configure.setIcon(getIcon("configure"))
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self_.act_jack_render.setIcon(getIcon("media-record"))
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self_.b_jack_clear_xruns.setIcon(getIcon("edit-clear"))
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self_.b_jack_configure.setIcon(getIcon("configure"))
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self_.b_jack_render.setIcon(getIcon("media-record"))
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if "transport" in modes:
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self_.act_transport_play.setIcon(getIcon("media-playback-start"))
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self_.act_transport_stop.setIcon(getIcon("media-playback-stop"))
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self_.act_transport_backwards.setIcon(getIcon("media-seek-backward"))
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self_.act_transport_forwards.setIcon(getIcon("media-seek-forward"))
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self_.b_transport_play.setIcon(getIcon("media-playback-start"))
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self_.b_transport_stop.setIcon(getIcon("media-playback-stop"))
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self_.b_transport_backwards.setIcon(getIcon("media-seek-backward"))
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self_.b_transport_forwards.setIcon(getIcon("media-seek-forward"))
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if "misc" in modes:
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self_.act_quit.setIcon(getIcon("application-exit"))
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self_.act_configure.setIcon(getIcon("configure"))
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