src/w_katia.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4
   5 # Imports
   6 from sys import path
   7 from functools import partial
   8 from PyQt4.QtCore import Qt, QSize, QTimer, SIGNAL, SLOT
   9 from PyQt4.QtGui import QWidget
  10 from PyKDE4.kdecore import i18n
  11 from PyKDE4.kdeui import KAction, KIcon, KMessageBox, KStandardAction, KXmlGuiWindow
  12 import jacklib, ui_katia, ui_katia_audio
  13
  14
  15 # Audio Tab
  16 class AudioW(QWidget, ui_katia_audio.Ui_AudioW):
  17     def __init__(self, *args):
  18         QWidget.__init__(self, *args)
  19         self.setupUi(self)
  20
  21         self.b_connect.setIcon(KIcon("network-connect"))
  22         self.b_disconnect.setIcon(KIcon("network-disconnect"))
  23         self.b_disconnect_all.setIcon(KIcon("network-disconnect"))
  24         self.b_refresh.setIcon(KIcon("view-refresh"))
  25
  26         self.b_connect.setEnabled(False)
  27         self.b_disconnect.setEnabled(False)
  28         self.b_disconnect_all.setEnabled(False)
  29
  30
  31
  32
  33 # Main Window
  34 class KatiaMainW(KXmlGuiWindow, ui_katia.Ui_KatiaMainW):
  35     def __init__(self, *args):
  36         KXmlGuiWindow.__init__(self, *args)
  37         self.setupUi(self)
  38
  39         # Connect to Jack
  40         self.jack_client = jacklib.client_open("Katia", 0, 0)
  41
  42         # Set-up actions
  43         self.act_tw_audio = KAction(i18n("Audio"), self)
  44         self.act_tw_midi = KAction(i18n("MIDI"), self)
  45         self.act_tw_canvas = KAction(i18n("Canvas"), self)
  46         self.act_bf_16 = KAction(i18n("16"), self)
  47         self.act_bf_32 = KAction(i18n("32"), self)
  48         self.act_bf_64 = KAction(i18n("64"), self)
  49         self.act_bf_128 = KAction(i18n("128"), self)
  50         self.act_bf_256 = KAction(i18n("256"), self)
  51         self.act_bf_512 = KAction(i18n("512"), self)
  52         self.act_bf_1024 = KAction(i18n("1024"), self)
  53         self.act_bf_2048 = KAction(i18n("2048"), self)
  54         self.act_bf_4096 = KAction(i18n("4096"), self)
  55         self.act_bf_8192 = KAction(i18n("8192"), self)
  56
  57         self.act_bf_list = ( self.act_bf_16, self.act_bf_32, self.act_bf_64, self.act_bf_128, self.act_bf_256, self.act_bf_512,
  58                              self.act_bf_1024, self.act_bf_2048, self.act_bf_4096, self.act_bf_8192 )
  59
  60         buffer_size = str(jacklib.get_buffer_size(self.jack_client))
  61         for i in range(len(self.act_bf_list)):
  62           self.act_bf_list[i].setCheckable(True)
  63           if (self.act_bf_list[i].text().replace("&","") == buffer_size):
  64             self.act_bf_list[i].setChecked(True)
  65
  66         self.act_tw_audio.setCheckable(True)
  67         self.act_tw_midi.setCheckable(True)
  68         self.act_tw_canvas.setCheckable(True)
  69
  70         # Standard actions
  71         KStandardAction.close(self.close, self.actionCollection())
  72
  73         # Add actions
  74         self.actionCollection().addAction("tw_audio", self.act_tw_audio)
  75         self.actionCollection().addAction("tw_midi", self.act_tw_midi)
  76         self.actionCollection().addAction("tw_canvas", self.act_tw_canvas)
  77         self.actionCollection().addAction("bf_16", self.act_bf_16)
  78         self.actionCollection().addAction("bf_32", self.act_bf_32)
  79         self.actionCollection().addAction("bf_64", self.act_bf_64)
  80         self.actionCollection().addAction("bf_128", self.act_bf_128)
  81         self.actionCollection().addAction("bf_256", self.act_bf_256)
  82         self.actionCollection().addAction("bf_512", self.act_bf_512)
  83         self.actionCollection().addAction("bf_1024", self.act_bf_1024)
  84         self.actionCollection().addAction("bf_2048", self.act_bf_2048)
  85         self.actionCollection().addAction("bf_4096", self.act_bf_4096)
  86         self.actionCollection().addAction("bf_4096", self.act_bf_8192)
  87
  88         # Connect actions to functions
  89         self.connect(self.act_tw_audio, SIGNAL("triggered()"), partial(self.changeTabButton, "audio"))
  90         self.connect(self.act_tw_midi, SIGNAL("triggered()"), partial(self.changeTabButton, "midi"))
  91         self.connect(self.act_tw_canvas, SIGNAL("triggered()"), partial(self.changeTabButton, "canvas"))
  92         self.connect(self.act_bf_16, SIGNAL("triggered()"), partial(self.setBufferSize, 16))
  93         self.connect(self.act_bf_32, SIGNAL("triggered()"), partial(self.setBufferSize, 32))
  94         self.connect(self.act_bf_64, SIGNAL("triggered()"), partial(self.setBufferSize, 64))
  95         self.connect(self.act_bf_128, SIGNAL("triggered()"), partial(self.setBufferSize, 128))
  96         self.connect(self.act_bf_256, SIGNAL("triggered()"), partial(self.setBufferSize, 256))
  97         self.connect(self.act_bf_512, SIGNAL("triggered()"), partial(self.setBufferSize, 512))
  98         self.connect(self.act_bf_1024, SIGNAL("triggered()"), partial(self.setBufferSize, 1024))
  99         self.connect(self.act_bf_2048, SIGNAL("triggered()"), partial(self.setBufferSize, 2048))
 100         self.connect(self.act_bf_4096, SIGNAL("triggered()"), partial(self.setBufferSize, 4096))
 101         self.connect(self.act_bf_4096, SIGNAL("triggered()"), partial(self.setBufferSize, 8192))
 102
 103         # Connect tab-buttons to pages
 104         self.connect(self.tb_audio, SIGNAL("clicked()"), partial(self.changeTabButton, "audio"))
 105         self.connect(self.tb_midi, SIGNAL("clicked()"), partial(self.changeTabButton, "midi"))
 106         self.connect(self.tb_canvas, SIGNAL("clicked()"), partial(self.changeTabButton, "canvas"))
 107
 108         # Set-up the GUI (Part 1, create the KDE stuff)
 109         self.setupGUI(QSize(600, 400), KXmlGuiWindow.Default, path[0]+"/katia.rc")
 110
 111         # Set-up the GUI (Part 2, set custom menu and status-bar, delete toolbar)
 112         self.menuLayout.addWidget(self.menuBar())
 113         self.toolBar().deleteLater()
 114         self.statusBar().setVisible(False)
 115         self.actionCollection().action(u'options_configure_toolbars').setVisible(False)
 116         self.actionCollection().action(u'options_show_statusbar').setVisible(False)
 117         self.connect(self.statusBar(), SIGNAL("messageChanged(QString)"), self.sbW_msg_label, SLOT("setText(QString)"))
 118
 119         # Set-up the GUI (Part 3, Load pages)
 120         self.tw_audio  = AudioW()
 121         #self.tw_midi   = w_katia_midi.MidiW()
 122         #self.tw_canvas = w_katia_canvas.CanvasW()
 123         self.tw_audio.setVisible(False)
 124         #self.tw_midi.setVisible(False)
 125         #self.tw_canvas.setVisible(False)
 126
 127         # Set-up the GUI (Part 4, set default page)
 128         self.tw_audio.setVisible(True)
 129         self.tb_audio.setChecked(True)
 130         self.act_tw_audio.setChecked(True)
 131         self.act_tw_audio.setEnabled(False)
 132         self.centralW.layout().addWidget(self.tw_audio)
 133         self.currentTabPage = "audio"
 134
 135         # Set-up the GUI (Part 5, update variables)
 136         self.sbW_jack_SampleRate.setText(str(jacklib.get_sample_rate(self.jack_client))+" Hz")
 137         self.sbW_jack_BufferSize.setText(str(jacklib.get_buffer_size(self.jack_client)))
 138
 139         if (jacklib.is_realtime(self.jack_client)):
 140           self.sbW_jack_RT.setText("RT")
 141         else:
 142           self.sbW_jack_RT.setText("")
 143
 144         self.initPorts()
 145
 146
 147     def initPorts(self):
 148         print "going for ports"
 149
 150     def setBufferSize(self, buffer_size):
 151         if (jacklib.set_buffer_size(self.jack_client, buffer_size) > 0):
 152           for i in range(len(self.act_bf_list)):
 153             if (self.act_bf_list[i].text().replace("&","") == str(buffer_size)):
 154               self.act_bf_list[i].setChecked(True)
 155             else:
 156               self.act_bf_list[i].setChecked(False)
 157         else:
 158           KMessageBox.error(self, i18n("Failed to set buffer size!"), i18n("Katia - Error"))
 159
 160     def changeTabButton(self, button):
 161         if (button != self.currentTabPage):
 162           self.currentTabPage = button
 163           # Remove central widget
 164           #self.centralW.layout().takeAt(0)
 165           # Restore all button states
 166           self.tb_audio.setChecked(False)
 167           self.tb_midi.setChecked(False)
 168           self.tb_canvas.setChecked(False)
 169           # Hide all pages (we only need one)
 170           #self.tw_audio.setVisible(False)
 171           #self.tw_midi.setVisible(False)
 172           #self.tw_canvas.setVisible(False)
 173           # For the menu too
 174           self.act_tw_audio.setChecked(False)
 175           self.act_tw_audio.setEnabled(True)
 176           self.act_tw_midi.setChecked(False)
 177           self.act_tw_midi.setEnabled(True)
 178           self.act_tw_canvas.setChecked(False)
 179           self.act_tw_canvas.setEnabled(True)
 180           if (button == "audio"):
 181             self.tb_audio.setChecked(True)
 182             wToLoad = self.tw_audio
 183             selMenu = self.act_tw_audio
 184           elif (button == "midi"):
 185             self.tb_midi.setChecked(True)
 186             #wToLoad = self.tw_midi
 187             selMenu = self.act_tw_midi
 188           elif (button == "canvas"):
 189             self.tb_canvas.setChecked(True)
 190             #wToLoad = self.tw_canvas
 191             selMenu = self.act_tw_canvas
 192           #self.centralW.layout().addWidget(wToLoad)
 193           #wToLoad.setVisible(True)
 194           selMenu.setChecked(True)
 195           selMenu.setEnabled(False)
 196
 197     def updateSizes(self):
 198         self.sbW_msg.setMinimumSize(self.width()/4, 16)
 199         self.sbW_msg.setMaximumSize(self.width()/4, 16)
 200         self.sbW_jack.setMaximumSize(self.width()/3, 16)
 201         self.sbW_cpu.setMaximumSize(self.width()/4, 16)
 202         self.sbW_drops.setMaximumSize(self.width()/8, 16)
 203
 204     def resizeEvent(self, event):
 205         self.updateSizes()
 206         event.ignore()
 207
 208