src/mainwindow.py

   1 #!/usr/bin/env python
   2
   3 from PyQt4.QtCore import SIGNAL,SLOT,Qt
   4 from PyQt4.QtCore import QPoint
   5 from PyQt4.QtCore import QString
   6 from PyQt4.QtCore import QSettings
   7 from PyQt4.QtCore import QDir
   8 from PyQt4.QtCore import QCoreApplication
   9
  10 from PyQt4.QtGui import QWidget
  11 from PyQt4.QtGui import QLabel
  12 from PyQt4.QtGui import QMainWindow
  13 from PyQt4.QtGui import QSlider
  14 from PyQt4.QtGui import QFileDialog
  15 from PyQt4.QtGui import QIcon
  16
  17 from mprocess      import MProcess
  18 from ui_mainwindow import Ui_MainWindow
  19
  20 class MainWindow(QMainWindow,Ui_MainWindow):
  21     def __init__(self, parent = None):
  22         super(MainWindow, self).__init__(parent)
  23         self.setupUi(self)
  24
  25         ##Quit if close this window
  26         self.setAttribute(Qt.WA_QuitOnClose)
  27         self.settings = QSettings(QDir.home().absolutePath().append(QDir.separator()) + ".KRepeater",
  28                                   QSettings.NativeFormat,self)
  29         self.currDir = QDir(self.settings.value("LastPath").toString())
  30
  31         self.statusLabel = QLabel()
  32         self.statusBar.addWidget(self.statusLabel)
  33
  34         ##Set up the volume slide widget for setting volume
  35         self.volumeSlide = QSlider(self)
  36         self.volumeSlide.hide()
  37         self.volumeSlide.setFocusPolicy(Qt.NoFocus)
  38         self.volumeSlide.resize(15,110)
  39         self.volumeSlide.setRange(0,100)
  40         self.volumeSlide.setValue(60)   # Write to config later
  41
  42         #Create a mprocess object to control mplayer process
  43         self.mprocess = MProcess(self.videoWidget.winId(),self)
  44
  45         self.mprocess.setSlider(self.slider)
  46
  47         self.connect(self.pauseBtn, SIGNAL("clicked()"),
  48                      self.pause)
  49
  50         self.connect(self.stopBtn, SIGNAL("clicked()"),
  51                      self.stopped)
  52
  53         self.connect(self.stopBtn, SIGNAL("clicked()"),
  54                      self.mprocess.stop)
  55
  56         self.connect(self.volumeBtn, SIGNAL("toggled(bool)"),
  57                      self.volumeBtnToggled)
  58
  59         self.connect(self.volumeSlide, SIGNAL("valueChanged(int)"),
  60                      self.mprocess.setVolume)
  61
  62         self.connect(self.openAction,SIGNAL("triggered()"),
  63                      self.openFile)
  64
  65         self.connect(self.openBtn,SIGNAL("clicked()"),
  66                      self.openFile)
  67
  68         self.connect(self.mprocess,SIGNAL("updateStatus()"),
  69                      self.setStatusInfo)
  70
  71         self.connect(self.aBtn, SIGNAL("toggled(bool)"),self.pointA)
  72         self.connect(self.bBtn, SIGNAL("toggled(bool)"),self.pointB)
  73
  74     #END def __init__(self, parent = None)
  75
  76     def showVolumeSlide(self):
  77         globalPoint = self.btnWidget.mapToGlobal(self.volumeBtn.pos())
  78         newPoint = self.mapFromGlobal(globalPoint) \
  79                 + QPoint(self.volumeBtn.width(),
  80                          self.volumeBtn.height() - self.volumeSlide.height())
  81         self.volumeSlide.move(newPoint)
  82         self.volumeSlide.show()
  83     #END def showVolumeSlide(self)
  84
  85     def volumeBtnToggled(self,checked):
  86         if(checked == True):
  87             self.volumeBtn.setChecked(True)
  88             self.showVolumeSlide()
  89         else:
  90             self.volumeBtn.setChecked(False)
  91             self.volumeSlide.hide()
  92         #END def volumeBtnToggled(self,checked):
  93
  94     def mouseReleaseEvent(self,event):
  95         self.volumeBtnToggled(False)
  96     #END  def mouseReleasedEvent(self,event)
  97
  98     def openFile(self):
  99         fileName = str(QFileDialog.getOpenFileName(self,
 100                                                    "Video File",
 101                                                    self.currDir.path()))
 102         if(len(fileName) == 0):
 103             return
 104
 105         n = fileName.rfind(str(QDir.separator().toAscii()))
 106         self.currDir.setPath(fileName[0:n])
 107         self.settings.setValue("LastPath",self.currDir.path())
 108
 109         self.mprocess.setFileName(fileName)
 110         self.play()
 111     #END def openFile(self)
 112
 113     def play(self):
 114         self.mprocess.play()
 115         self.pauseBtn.setEnabled(True)
 116         self.stopBtn.setEnabled(True)
 117         self.aBtn.setEnabled(True)
 118         self.pauseBtn.setIcon(QIcon(":/pause.png"))
 119     #END  def play(self)
 120
 121     def stopped(self):
 122         self.pauseBtn.setIcon(QIcon(":/play.png"))
 123         self.pauseBtn.setEnabled(False)
 124         self.stopBtn.setEnabled(False)
 125         self.slider.setValue(0)
 126         QCoreApplication.processEvents()
 127     #END def stopped(self):
 128
 129     def stop(self):
 130         self.stopped()
 131         self.mprocess.stop()
 132     #END def stop(self)
 133
 134     def pause(self):
 135         self.mprocess.pause()
 136         print "self.mprocess.playerState  ", self.mprocess.playerState
 137         if(self.mprocess.playerState == MProcess.PAUSED):
 138             self.pauseBtn.setIcon(QIcon(":/play.png"))
 139         else:
 140             self.pauseBtn.setIcon(QIcon(":/pause.png"))
 141     #END def pause(self):
 142
 143     def pointA(self):
 144         if(self.aBtn.isChecked()):
 145             self.mprocess.setA()
 146             self.bBtn.setEnabled(True)
 147         else:
 148             self.mprocess.cleanPoints()
 149             self.bBtn.setChecked(False)
 150             self.bBtn.setEnabled(False)
 151     #END def pointA(self):
 152
 153     def pointB(self):
 154         if(self.bBtn.isChecked()):
 155             self.mprocess.setB()
 156         else:
 157             self.mprocess.cleanPoints()
 158             self.aBtn.setChecked(False)
 159             self.bBtn.setChecked(False)
 160
 161             self.aBtn.setEnabled(True)
 162             self.bBtn.setEnabled(False)
 163     #END def pointB(self):
 164
 165     def setStatusInfo(self):
 166         colPre = '<font color="white">'
 167         colBak = '</font>'
 168         black = '&nbsp;' * 8
 169         if(self.mprocess.timeLength != None):
 170             message = str(int(self.mprocess.timePos)*100/int(self.mprocess.timeLength))
 171             message += "%"
 172         else:
 173             message = "0%"
 174         message += black
 175         if(self.mprocess.timePos != None):
 176             message += 'pos='
 177             message += str(self.mprocess.timePos)
 178             message += black
 179
 180         if(self.mprocess.pa != None):
 181             message += "A=" + str(self.mprocess.pa)
 182             message += black
 183         if(self.mprocess.pb != None):
 184             message += "B=" + str(self.mprocess.pb)
 185             message += black
 186         self.statusLabel.setText(QString(colPre + message + colBak))
 187     #END def setStatusInfo(self, currProcess, pa, pb, status):
 188
 189 #END class MainWindow(QMainWindow,Ui_MainWindow)