class MainWin(KMainWindow):
"""Main window"""
SB_TEXT = 1
SB_TIMEOUT = 10000
MON_TIMEOUT = 1000
CHANGE_TIMEOUT = 3001
def __init__(self, *args):
apply(KMainWindow.__init__, (self,) + args)
self.lastDir = "/var/log"
self.monitors = []
self.currentPage = None
self.tab = QTabWidget(self)
self.settingsDlg = SettingsDlg(self)
self.cfg = LoviConfig().getInstance()
self.bellIcon = \
QIconSet(KIconLoader().loadIcon("idea", KIcon.Small, 11))
self.noIcon = QIconSet()
self.findDlg = KEdFind(self, "find", False)
self.connect(self.findDlg, SIGNAL("search()"), self.doFind)
self.setCentralWidget(self.tab)
self.connect(self.tab, SIGNAL("currentChanged(QWidget *)"),
self.onPageChange)
self.setGeometry(0, 0, 600, 400)
self.setCaption(makeCaption("(none)"))
# Timers
self.timer = QTimer(self)
self.timer.start(MainWin.MON_TIMEOUT)
self.statusTimer = QTimer(self)
self.connect(self.statusTimer, SIGNAL("timeout()"),
self.onStatusTimeout)
self.changeTimer = QTimer(self)
self.changeTimer.start(MainWin.CHANGE_TIMEOUT)
self.connect(self.changeTimer, SIGNAL("timeout()"),
self.onChangeTimeout)
# Initialize actions
actions = self.actionCollection()
self.openAction = KStdAction.open(self.onOpen, actions)
self.closeAction = KStdAction.close(self.onClose, actions)
self.closeAction.setEnabled(False)
self.quitAction = KStdAction.quit(self.onQuit, actions)
self.copyAction = KStdAction.copy(self.onCopy, actions)
self.copyAction.setEnabled(False)
self.clearAction = KStdAction.clear(self.onClear, actions)
self.clearAction.setEnabled(False)
self.selectAllAction = KStdAction.selectAll(self.onSelectAll, actions)
self.selectAllAction.setEnabled(False)
self.addBookmarkAction = \
KStdAction.addBookmark(self.onAddBookmark, actions)
self.addBookmarkAction.setEnabled(False)
self.settingsAction = KStdAction.preferences(self.onSettings, actions)
self.findAction = KStdAction.find(self.onFind, actions)
self.findAction.setEnabled(False)
self.findNextAction = KStdAction.findNext(self.onFindNext, actions)
self.findNextAction.setEnabled(False)
self.findPrevAction = KStdAction.findPrev(self.onFindPrev, actions)
self.findPrevAction.setEnabled(False)
# Initialize menus
fileMenu = QPopupMenu(self)
self.openAction.plug(fileMenu)
self.closeAction.plug(fileMenu)
fileMenu.insertSeparator()
self.quitAction.plug(fileMenu)
self.menuBar().insertItem(i18n("&File"), fileMenu)
editMenu = QPopupMenu(self)
self.copyAction.plug(editMenu)
self.clearAction.plug(editMenu)
editMenu.insertSeparator()
self.selectAllAction.plug(editMenu)
self.addBookmarkAction.plug(editMenu)
editMenu.insertSeparator()
self.findAction.plug(editMenu)
self.findNextAction.plug(editMenu)
self.findPrevAction.plug(editMenu)
self.menuBar().insertItem(i18n("&Edit"), editMenu)
settingsMenu = QPopupMenu(self)
self.settingsAction.plug(settingsMenu)
self.menuBar().insertItem(i18n("&Settings"), settingsMenu)
helpMenu = self.helpMenu("")
self.menuBar().insertItem(i18n("&Help"), helpMenu)
# Initialize status bar
self.sb = self.statusBar()
self.bell = BellButton(None)
self.displayStatus(False, "")
def displayStatus(self, changed, msg):
"""Display a message in the status bar."""
self.statusTimer.stop()
self.sb.removeWidget(self.bell)
self.sb.removeItem(MainWin.SB_TEXT)
if changed:
self.sb.addWidget(self.bell, 1, False)
self.sb.insertItem(msg, MainWin.SB_TEXT, 1000, True)
self.sb.setItemAlignment(MainWin.SB_TEXT,
Qt.AlignLeft|Qt.AlignVCenter)
self.statusTimer.start(MainWin.SB_TIMEOUT, True)
def onOpen(self, id = -1):
"""Open file for monitoring."""
fileName = KFileDialog.getOpenFileName(self.lastDir, "*", self,
str(i18n("Open Log File")))
if not fileName.isEmpty():
fileName = str(fileName)
self.lastDir = os.path.dirname(fileName)
self.monitor(fileName)
def onClose(self, id = -1):
"""Close a monitored file."""
self.monitors.remove(self.currentPage)
self.currentPage.close()
self.tab.removePage(self.currentPage)
self.displayStatus(False, "")
self.saveFileList()
if len(self.monitors) == 0:
# Update interface when the last page is deleted
self.setCaption(makeCaption("(none)"))
self.closeAction.setEnabled(False)
self.copyAction.setEnabled(False)
self.selectAllAction.setEnabled(False)
self.clearAction.setEnabled(False)
self.addBookmarkAction.setEnabled(False)
self.findAction.setEnabled(False)
self.findNextAction.setEnabled(False)
self.findPrevAction.setEnabled(False)
def onQuit(self, id = -1):
"""Quit application."""
self.close()
def onCopy(self, id = -1):
"""Copy text to clipboard."""
self.currentPage.copy()
def onClear(self, id = -1):
"""Clear text window."""
self.currentPage.setText("")
def onSelectAll(self, id = -1):
"""Select all text."""
self.currentPage.selectAll(True)
def onAddBookmark(self, id = -1):
"""Add a bookmark to the log."""
bookmark = "<font color=\"blue\">"
bookmark += datetime.datetime.now().strftime("%b %d %H:%M:%S ")
bookmark += "--------------------------------------------------------"
bookmark += "</font>"
self.currentPage.append(bookmark)
def onSettings(self, id = -1):
"""Display settings dialog"""
if self.settingsDlg.exec_loop():
self.cfg.writeConfig()
self.cfg.processConfig()
self.reconfigure()
def onPageChange(self, page):
"""Update widget when the top level tab changes."""
self.currentPage = page
self.setCaption(makeCaption(os.path.basename(page.getFileName())))
self.copyAction.setEnabled(page.hasSelectedText())
# self.tab.setTabIconSet(page, self.noIcon)
def onStatusTimeout(self):
"""Clear status bar on timeout."""
self.displayStatus(False, "")
for m in self.monitors:
self.tab.setTabIconSet(m, self.noIcon)
def onChangeTimeout(self):
"""Look for changes in monitored files. """
changeList = []
for m in self.monitors:
if m.isChanged():
changeList.append(os.path.basename(m.getFileName()))
self.tab.setTabIconSet(m, self.bellIcon)
if len(changeList):
msg = changeList[0]
for f in changeList[1:]:
msg += ", %s" % f
msg = str(i18n("Change to %s")) % msg
self.displayStatus(True, msg)
def onCopyAvailable(self, available):
"""Update Copy menu item when there is a selection available."""
self.copyAction.setEnabled(available)
def onFind(self):
self.findDlg.show()
def onFindPrev(self):
if self.findDlg.getText() == "":
self.onFind()
else:
self.currentPage.find(self.findDlg.getText(),
self.findDlg.case_sensitive(), True)
def onFindNext(self):
if self.findDlg.getText() == "":
self.onFind()
else:
self.currentPage.find(self.findDlg.getText(),
self.findDlg.case_sensitive(), False)
def monitor(self, fileName):
"""Start monitoring a file."""
try:
tailer = Tail(fileName)
except:
KMessageBox.error(self,
str(i18n("Cannot open file for monitoring:\n%s")) %
fileName, makeCaption("Error"))
return
mon = Monitor(self.tab, tailer)
base = os.path.basename(fileName)
self.monitors.append(mon)
self.tab.addTab(mon, base)
self.tab.showPage(mon)
self.tab.setTabToolTip(mon, fileName)
self.currentPage = mon
self.setCaption(makeCaption(base))
self.displayStatus(False, str(i18n("Monitoring %s")) % fileName)
self.connect(self.timer, SIGNAL("timeout()"), mon.follow)
self.saveFileList()
self.connect(mon, SIGNAL("copyAvailable(bool)"), self.onCopyAvailable)
self.closeAction.setEnabled(True)
self.copyAction.setEnabled(False)
self.clearAction.setEnabled(True)
self.selectAllAction.setEnabled(True)
self.addBookmarkAction.setEnabled(True)
self.findAction.setEnabled(True)
self.findNextAction.setEnabled(True)
self.findPrevAction.setEnabled(True)
def saveFileList(self):
"""Update the list of monitored files in the configuration file."""
files = []
for mon in self.monitors:
files.append(mon.getFileName())
cfg = KApplication.kApplication().config()
cfg.setGroup("Monitor")
cfg.writeEntry("files", files)
def reconfigure(self):
"""Update self with configuration changes."""
for mon in self.monitors:
mon.reconfigure()
def doFind(self):
self.currentPage.find(self.findDlg.getText(),
self.findDlg.case_sensitive(), self.findDlg.get_direction())
