falkTX
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Carla
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Move transport panel into main window as a tab

tags/1.9.7b
falkTX 7 years ago
parent
c7bd702449
commit
c23ffe6351
4 changed files with 375 additions and 272 deletions
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  1. +0
    -5
      Makefile
  2. +215
    -5
      resources/ui/carla_host.ui
  3. +160
    -35
      source/carla_host.py
  4. +0
    -227
      source/carla_panels.py

+ 0
- 5
Makefile View File

@@ -270,7 +270,6 @@ RES = \
bin/resources/carla_control.py \
bin/resources/carla_database.py \
bin/resources/carla_host.py \
bin/resources/carla_panels.py \
bin/resources/carla_settings.py \
bin/resources/carla_skin.py \
bin/resources/carla_shared.py \
@@ -295,7 +294,6 @@ RES = \
bin/resources/ui_carla_database.py \
bin/resources/ui_carla_edit.py \
bin/resources/ui_carla_host.py \
bin/resources/ui_carla_panel_time.py \
bin/resources/ui_carla_parameter.py \
bin/resources/ui_carla_plugin_calf.py \
bin/resources/ui_carla_plugin_classic.py \
@@ -340,7 +338,6 @@ UIs = \
source/ui_carla_database.py \
source/ui_carla_edit.py \
source/ui_carla_host.py \
source/ui_carla_panel_time.py \
source/ui_carla_parameter.py \
source/ui_carla_plugin_calf.py \
source/ui_carla_plugin_classic.py \
@@ -640,7 +637,6 @@ endif
$(LINK) $(DATADIR)/carla/carla_database.py $(DESTDIR)$(DATADIR)/carla/resources
$(LINK) $(DATADIR)/carla/carla_host.py $(DESTDIR)$(DATADIR)/carla/resources
$(LINK) $(DATADIR)/carla/carla_modgui.py $(DESTDIR)$(DATADIR)/carla/resources
$(LINK) $(DATADIR)/carla/carla_panels.py $(DESTDIR)$(DATADIR)/carla/resources
$(LINK) $(DATADIR)/carla/carla_settings.py $(DESTDIR)$(DATADIR)/carla/resources
$(LINK) $(DATADIR)/carla/carla_skin.py $(DESTDIR)$(DATADIR)/carla/resources
$(LINK) $(DATADIR)/carla/carla_shared.py $(DESTDIR)$(DATADIR)/carla/resources
@@ -665,7 +661,6 @@ endif
$(LINK) $(DATADIR)/carla/ui_carla_database.py $(DESTDIR)$(DATADIR)/carla/resources
$(LINK) $(DATADIR)/carla/ui_carla_edit.py $(DESTDIR)$(DATADIR)/carla/resources
$(LINK) $(DATADIR)/carla/ui_carla_host.py $(DESTDIR)$(DATADIR)/carla/resources
$(LINK) $(DATADIR)/carla/ui_carla_panel_time.py $(DESTDIR)$(DATADIR)/carla/resources
$(LINK) $(DATADIR)/carla/ui_carla_parameter.py $(DESTDIR)$(DATADIR)/carla/resources
$(LINK) $(DATADIR)/carla/ui_carla_plugin_calf.py $(DESTDIR)$(DATADIR)/carla/resources
$(LINK) $(DATADIR)/carla/ui_carla_plugin_classic.py $(DESTDIR)$(DATADIR)/carla/resources


+ 215
- 5
resources/ui/carla_host.ui View File

@@ -6,8 +6,8 @@
<rect>
<x>0</x>
<y>0</y>
<width>870</width>
<height>681</height>
<width>1058</width>
<height>716</height>
</rect>
</property>
<property name="windowTitle">
@@ -192,8 +192,8 @@
<rect>
<x>0</x>
<y>0</y>
<width>870</width>
<height>20</height>
<width>1058</width>
<height>37</height>
</rect>
</property>
<widget class="QMenu" name="menu_File">
@@ -270,7 +270,6 @@
<property name="title">
<string>&amp;Settings</string>
</property>
<addaction name="act_settings_show_time_panel"/>
<addaction name="act_settings_show_toolbar"/>
<addaction name="act_settings_show_meters"/>
<addaction name="act_settings_show_keyboard"/>
@@ -456,6 +455,217 @@
</item>
</layout>
</widget>
<widget class="QWidget" name="w_transport">
<attribute name="title">
<string>Transport</string>
</attribute>
<layout class="QVBoxLayout" name="verticalLayout_6">
<item>
<widget class="QGroupBox" name="group_transport_controls">
<property name="title">
<string>Playback Controls</string>
</property>
<layout class="QHBoxLayout" name="horizontalLayout_5">
<item>
<widget class="QPushButton" name="b_transport_play">
<property name="text">
<string/>
</property>
<property name="icon">
<iconset resource="../resources.qrc">
<normaloff>:/16x16/media-playback-start.png</normaloff>:/16x16/media-playback-start.png</iconset>
</property>
<property name="checkable">
<bool>true</bool>
</property>
</widget>
</item>
<item>
<widget class="QPushButton" name="b_transport_stop">
<property name="text">
<string/>
</property>
<property name="icon">
<iconset resource="../resources.qrc">
<normaloff>:/16x16/media-playback-stop.png</normaloff>:/16x16/media-playback-stop.png</iconset>
</property>
</widget>
</item>
<item>
<widget class="QPushButton" name="b_transport_backwards">
<property name="text">
<string/>
</property>
<property name="icon">
<iconset resource="../resources.qrc">
<normaloff>:/16x16/media-seek-backward.png</normaloff>:/16x16/media-seek-backward.png</iconset>
</property>
<property name="autoRepeat">
<bool>true</bool>
</property>
</widget>
</item>
<item>
<widget class="QPushButton" name="b_transport_forwards">
<property name="text">
<string/>
</property>
<property name="icon">
<iconset resource="../resources.qrc">
<normaloff>:/16x16/media-seek-forward.png</normaloff>:/16x16/media-seek-forward.png</iconset>
</property>
<property name="autoRepeat">
<bool>true</bool>
</property>
</widget>
</item>
</layout>
</widget>
</item>
<item>
<widget class="QGroupBox" name="group_transport_info">
<property name="title">
<string>Time Information</string>
</property>
<layout class="QVBoxLayout" name="verticalLayout_2">
<item>
<layout class="QHBoxLayout" name="horizontalLayout_6">
<item>
<widget class="QLabel" name="label_transport_frame">
<property name="text">
<string>Frame:</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="l_transport_frame">
<property name="font">
<font>
<family>DejaVu Sans Mono</family>
</font>
</property>
<property name="text">
<string>00000000</string>
</property>
</widget>
</item>
</layout>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout_7">
<item>
<widget class="QLabel" name="label_transport_time">
<property name="text">
<string>Time:</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="l_transport_time">
<property name="font">
<font>
<family>DejaVu Sans Mono</family>
</font>
</property>
<property name="text">
<string>00:00:00</string>
</property>
</widget>
</item>
</layout>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout_8">
<item>
<widget class="QLabel" name="label_transport_bbt">
<property name="text">
<string>BBT:</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="l_transport_bbt">
<property name="font">
<font>
<family>DejaVu Sans Mono</family>
</font>
</property>
<property name="text">
<string>000|0|000</string>
</property>
</widget>
</item>
</layout>
</item>
</layout>
</widget>
</item>
<item>
<widget class="QGroupBox" name="group_transport_settings">
<property name="title">
<string>Settings</string>
</property>
<layout class="QVBoxLayout" name="verticalLayout_5">
<item>
<widget class="QDoubleSpinBox" name="dsb_transport_bpm">
<property name="enabled">
<bool>false</bool>
</property>
<property name="suffix">
<string> BPM</string>
</property>
<property name="decimals">
<number>1</number>
</property>
<property name="minimum">
<double>20.000000000000000</double>
</property>
<property name="maximum">
<double>999.000000000000000</double>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="cb_transport_jack">
<property name="text">
<string>Use JACK Transport</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="cb_transport_link">
<property name="text">
<string>Use Ableton Link</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>
<item>
<spacer name="verticalSpacer">
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>20</width>
<height>40</height>
</size>
</property>
</spacer>
</item>
</layout>
</widget>
</widget>
</item>
<item>


+ 160
- 35
source/carla_host.py View File

@@ -41,7 +41,6 @@ import ui_carla_host

from carla_app import *
from carla_database import *
from carla_panels import *
from carla_settings import *
from carla_utils import *
from carla_widgets import *
@@ -124,6 +123,11 @@ class HostWindow(QMainWindow):
self.fIsProjectLoading = False
self.fCurrentlyRemovingAllPlugins = False

self.fLastTransportBPM = 0.0
self.fLastTransportFrame = 0
self.fLastTransportState = False
self.fSampleRate = 0.0

# run a custom action after engine is properly closed
# 1 for close carla, 2 for load project
self.fCustomStopAction = 0
@@ -175,8 +179,6 @@ class HostWindow(QMainWindow):
self.ui.act_engine_start.setVisible(False)
self.ui.act_engine_stop.setEnabled(False)
self.ui.act_engine_stop.setVisible(False)
self.ui.act_settings_show_time_panel.setEnabled(False)
self.ui.act_settings_show_time_panel.setVisible(False)
self.ui.menu_Engine.setEnabled(False)
self.ui.menu_Engine.setVisible(False)
self.ui.menu_Engine.menuAction().setVisible(False)
@@ -268,11 +270,21 @@ class HostWindow(QMainWindow):
self.ui.fileTreeView.setHeaderHidden(True)

# ----------------------------------------------------------------------------------------------------
# Set up GUI (panels)
# Set up GUI (transport)

self.ui.l_transport_bbt.setMinimumWidth(QFontMetrics(self.ui.l_transport_bbt.font()).width("000|00|0000") + 3)
self.ui.l_transport_frame.setMinimumWidth(QFontMetrics(self.ui.l_transport_frame.font()).width("000'000'000") + 3)
self.ui.l_transport_time.setMinimumWidth(QFontMetrics(self.ui.l_transport_time.font()).width("00:00:00") + 3)

self.ui.panelTime = CarlaPanelTime(host, self)
self.ui.panelTime.setEnabled(False)
self.ui.panelTime.adjustSize()
if host.isPlugin:
self.ui.b_transport_play.setEnabled(False)
self.ui.b_transport_stop.setEnabled(False)
self.ui.b_transport_backwards.setEnabled(False)
self.ui.b_transport_forwards.setEnabled(False)
self.ui.cb_transport_link.setEnabled(False)
self.ui.dsb_transport_bpm.setEnabled(False)

self.ui.w_transport.setEnabled(False)

# ----------------------------------------------------------------------------------------------------
# Set up GUI (rack)
@@ -392,7 +404,6 @@ class HostWindow(QMainWindow):
self.ui.act_canvas_save_image.triggered.connect(self.slot_canvasSaveImage)
self.ui.act_canvas_arrange.setEnabled(False) # TODO, later

self.ui.act_settings_show_time_panel.toggled.connect(self.slot_showTimePanel)
self.ui.act_settings_show_toolbar.toggled.connect(self.slot_showToolbar)
self.ui.act_settings_show_meters.toggled.connect(self.slot_showCanvasMeters)
self.ui.act_settings_show_keyboard.toggled.connect(self.slot_showCanvasKeyboard)
@@ -408,6 +419,13 @@ class HostWindow(QMainWindow):
self.ui.b_disk_remove.clicked.connect(self.slot_diskFolderRemove)
self.ui.fileTreeView.doubleClicked.connect(self.slot_fileTreeDoubleClicked)

self.ui.b_transport_play.clicked.connect(self.slot_transportPlayPause)
self.ui.b_transport_stop.clicked.connect(self.slot_transportStop)
self.ui.b_transport_backwards.clicked.connect(self.slot_transportBackwards)
self.ui.b_transport_forwards.clicked.connect(self.slot_transportForwards)
self.ui.cb_transport_jack.clicked.connect(self.slot_transportJackEnabled)
self.ui.cb_transport_link.clicked.connect(self.slot_transportLinkEnabled)

self.ui.listWidget.customContextMenuRequested.connect(self.showPluginActionsMenu)

self.ui.graphicsView.horizontalScrollBar().valueChanged.connect(self.slot_horizontalScrollBarChanged)
@@ -418,7 +436,6 @@ class HostWindow(QMainWindow):

self.ui.miniCanvasPreview.miniCanvasMoved.connect(self.slot_miniCanvasMoved)

self.ui.panelTime.finished.connect(self.slot_timePanelClosed)
self.ui.tabWidget.currentChanged.connect(self.slot_tabChanged)

self.scene.scaleChanged.connect(self.slot_canvasScaleChanged)
@@ -430,6 +447,7 @@ class HostWindow(QMainWindow):

host.EngineStartedCallback.connect(self.slot_handleEngineStartedCallback)
host.EngineStoppedCallback.connect(self.slot_handleEngineStoppedCallback)
host.SampleRateChangedCallback.connect(self.slot_handleSampleRateChangedCallback)

host.PluginAddedCallback.connect(self.slot_handlePluginAddedCallback)
host.PluginRemovedCallback.connect(self.slot_handlePluginRemovedCallback)
@@ -701,6 +719,8 @@ class HostWindow(QMainWindow):

@pyqtSlot(int, int, str)
def slot_handleEngineStartedCallback(self, processMode, transportMode, driverName):
self.fSampleRate = self.host.get_sample_rate()

self.ui.menu_PluginMacros.setEnabled(True)
self.ui.menu_Canvas.setEnabled(True)

@@ -726,12 +746,17 @@ class HostWindow(QMainWindow):
self.ui.act_file_save.setEnabled(canSave)
self.ui.act_engine_start.setEnabled(False)
self.ui.act_engine_stop.setEnabled(True)
self.ui.panelTime.setEnabled(True)
self.ui.w_transport.setEnabled(True)

if self.host.isPlugin or not self.fSessionManagerName:
self.ui.act_file_open.setEnabled(True)
self.ui.act_file_save_as.setEnabled(True)

self.refreshTransport(True)

self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)
self.ui.cb_transport_jack.setEnabled(driverName == "JACK")

self.startTimers()

@pyqtSlot()
@@ -749,12 +774,17 @@ class HostWindow(QMainWindow):
self.ui.act_file_save.setEnabled(False)
self.ui.act_engine_start.setEnabled(True)
self.ui.act_engine_stop.setEnabled(False)
self.ui.panelTime.setEnabled(False)
self.ui.w_transport.setEnabled(False)

if self.host.isPlugin or not self.fSessionManagerName:
self.ui.act_file_open.setEnabled(False)
self.ui.act_file_save_as.setEnabled(False)

@pyqtSlot(float)
def slot_handleSampleRateChangedCallback(self, newSampleRate):
self.fSampleRate = newSampleRate
self.refreshTransport(True)

# --------------------------------------------------------------------------------------------------------
# Plugins

@@ -1308,13 +1338,9 @@ class HostWindow(QMainWindow):
settings = QSettings()

settings.setValue("Geometry", self.saveGeometry())
settings.setValue("TimePanelGeometry", self.ui.panelTime.saveGeometry())

#settings.setValue("SplitterState", self.ui.splitter.saveState())

if not (self.host.isControl or self.host.isPlugin):
settings.setValue("ShowTimePanel", self.ui.panelTime.isVisible())

settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())
@@ -1337,17 +1363,6 @@ class HostWindow(QMainWindow):
if firstTime:
self.restoreGeometry(settings.value("Geometry", b""))

if not (self.host.isControl or self.host.isPlugin):
self.ui.panelTime.restoreGeometry(settings.value("TimePanelGeometry", b""))

showTimePanel = settings.value("ShowTimePanel", True, type=bool)
self.ui.act_settings_show_time_panel.setChecked(showTimePanel)

if showTimePanel:
QTimer.singleShot(0, self.ui.panelTime.show)
else:
self.ui.panelTime.hide()

showToolbar = settings.value("ShowToolbar", True, type=bool)
self.ui.act_settings_show_toolbar.setChecked(showToolbar)
self.ui.toolBar.setEnabled(showToolbar)
@@ -1422,10 +1437,6 @@ class HostWindow(QMainWindow):
# --------------------------------------------------------------------------------------------------------
# Settings (menu actions)

@pyqtSlot(bool)
def slot_showTimePanel(self, yesNo):
self.ui.panelTime.setVisible(yesNo)

@pyqtSlot(bool)
def slot_showSidePanel(self, yesNo):
self.ui.dockWidget.setEnabled(yesNo)
@@ -1535,6 +1546,123 @@ class HostWindow(QMainWindow):
self.tr("Failed to load file"),
self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

# --------------------------------------------------------------------------------------------------------
# Transport

def refreshTransport(self, forced = False):
if not self.isVisible():
return
if self.fSampleRate == 0.0 or not self.host.is_engine_running():
return

timeInfo = self.host.get_transport_info()
playing = timeInfo['playing']
frame = timeInfo['frame']
bpm = timeInfo['bpm']

if playing != self.fLastTransportState or forced:
if playing:
icon = getIcon("media-playback-pause")
self.ui.b_transport_play.setChecked(True)
self.ui.b_transport_play.setIcon(icon)
#self.ui.b_transport_play.setText(self.tr("&Pause"))
else:
icon = getIcon("media-playback-start")
self.ui.b_transport_play.setChecked(False)
self.ui.b_transport_play.setIcon(icon)
#self.ui.b_play.setText(self.tr("&Play"))

self.fLastTransportState = playing

if frame != self.fLastTransportFrame or forced:
self.fLastTransportFrame = frame

time = frame / self.fSampleRate
secs = time % 60
mins = (time / 60) % 60
hrs = (time / 3600) % 60
self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

frame1 = frame % 1000
frame2 = (frame / 1000) % 1000
frame3 = (frame / 1000000) % 1000
self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

bar = timeInfo['bar']
beat = timeInfo['beat']
tick = timeInfo['tick']
self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

if bpm != self.fLastTransportBPM or forced:
self.fLastTransportBPM = bpm

if bpm > 0.0:
self.ui.dsb_transport_bpm.setValue(bpm)
self.ui.dsb_transport_bpm.setStyleSheet("")
else:
self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

# --------------------------------------------------------------------------------------------------------
# Transport (menu actions)

@pyqtSlot(bool)
def slot_transportPlayPause(self, toggled):
if self.host.isPlugin or not self.host.is_engine_running():
return

if toggled:
self.host.transport_play()
else:
self.host.transport_pause()

self.refreshTransport()

@pyqtSlot()
def slot_transportStop(self):
if self.host.isPlugin or not self.host.is_engine_running():
return

self.host.transport_pause()
self.host.transport_relocate(0)

self.refreshTransport()

@pyqtSlot()
def slot_transportBackwards(self):
if self.host.isPlugin or not self.host.is_engine_running():
return

newFrame = self.host.get_current_transport_frame() - 100000

if newFrame < 0:
newFrame = 0

self.host.transport_relocate(newFrame)

@pyqtSlot()
def slot_transportForwards(self):
if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():
return

newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)
self.host.transport_relocate(newFrame)

@pyqtSlot(bool)
def slot_transportJackEnabled(self, clicked):
if not self.host.is_engine_running():
return
mode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL
extra = ":link:" if self.ui.cb_transport_link.isChecked() else ""
self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

@pyqtSlot(bool)
def slot_transportLinkEnabled(self, clicked):
if not self.host.is_engine_running():
return
mode = ENGINE_TRANSPORT_MODE_JACK if self.ui.cb_transport_jack.isChecked() else ENGINE_TRANSPORT_MODE_INTERNAL
extra = ":link:" if clicked else ""
self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

# --------------------------------------------------------------------------------------------------------
# Canvas scrollbars

@@ -1684,10 +1812,6 @@ class HostWindow(QMainWindow):
# --------------------------------------------------------------------------------------------------------
# Misc

@pyqtSlot()
def slot_timePanelClosed(self):
self.ui.act_settings_show_time_panel.setChecked(False)

@pyqtSlot(int)
def slot_tabChanged(self, index):
if index != 1:
@@ -1873,6 +1997,7 @@ class HostWindow(QMainWindow):
# show/hide event

def showEvent(self, event):
self.refreshTransport(True)
QMainWindow.showEvent(self, event)

# set our gui as parent for all plugins UIs
@@ -1908,7 +2033,7 @@ class HostWindow(QMainWindow):

def idleFast(self):
self.host.engine_idle()
self.ui.panelTime.refreshTransport()
self.refreshTransport()

if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:
return


+ 0
- 227
source/carla_panels.py View File

@@ -1,227 +0,0 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# Carla host code
# Copyright (C) 2011-2017 Filipe Coelho <falktx@falktx.com>
#
# This program 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 2 of
# the License, or any later version.
#
# This program 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.
#
# For a full copy of the GNU General Public License see the doc/GPL.txt file.

# ------------------------------------------------------------------------------------------------------------
# Imports (Config)

from carla_config import *

# ------------------------------------------------------------------------------------------------------------
# Imports (Global)

if config_UseQt5:
from PyQt5.QtCore import pyqtSlot
from PyQt5.QtGui import QFontMetrics
from PyQt5.QtWidgets import QDialog
else:
from PyQt4.QtCore import pyqtSlot
from PyQt4.QtGui import QDialog, QFontMetrics

# ------------------------------------------------------------------------------------------------------------
# Imports (Custom)

from carla_shared import *

import ui_carla_panel_time

# ------------------------------------------------------------------------------------------------------------
# Time Panel

class CarlaPanelTime(QDialog):
def __init__(self, host, parent):
QDialog.__init__(self, parent)
self.host = host
self.ui = ui_carla_panel_time.Ui_Dialog()
self.ui.setupUi(self)

if False:
# kdevelop likes this :)
host = CarlaHostNull()
self.host = host

# ----------------------------------------------------------------------------------------------------
# Internal stuff

self.fLastTransportBPM = 0.0
self.fLastTransportFrame = 0
self.fLastTransportState = False
self.fSampleRate = 0.0

self.ui.l_time_frame.setMinimumWidth(QFontMetrics(self.ui.l_time_frame.font()).width("000'000'000") + 3)
self.ui.l_time_clock.setMinimumWidth(QFontMetrics(self.ui.l_time_clock.font()).width("00:00:00") + 3)
self.ui.l_time_bbt.setMinimumWidth(QFontMetrics(self.ui.l_time_bbt.font()).width("000|00|0000") + 3)

# ----------------------------------------------------------------------------------------------------
# Disable buttons if plugin

if host.isPlugin:
self.ui.b_play.setEnabled(False)
self.ui.b_stop.setEnabled(False)
self.ui.b_backwards.setEnabled(False)
self.ui.b_forwards.setEnabled(False)
self.ui.cb_transport_link.setEnabled(False)
self.ui.dsb_bpm.setEnabled(False)

# ----------------------------------------------------------------------------------------------------
# Connect actions to functions

self.ui.b_play.clicked.connect(self.slot_transportPlayPause)
self.ui.b_stop.clicked.connect(self.slot_transportStop)
self.ui.b_backwards.clicked.connect(self.slot_transportBackwards)
self.ui.b_forwards.clicked.connect(self.slot_transportForwards)
self.ui.cb_transport_jack.clicked.connect(self.slot_transportJackEnabled)
self.ui.cb_transport_link.clicked.connect(self.slot_transportLinkEnabled)

host.EngineStartedCallback.connect(self.slot_handleEngineStartedCallback)
host.SampleRateChangedCallback.connect(self.slot_handleSampleRateChangedCallback)

# --------------------------------------------------------------------------------------------------------
# Button actions

@pyqtSlot(bool)
def slot_transportPlayPause(self, toggled):
if self.host.isPlugin or not self.host.is_engine_running():
return

if toggled:
self.host.transport_play()
else:
self.host.transport_pause()

self.refreshTransport()

@pyqtSlot()
def slot_transportStop(self):
if self.host.isPlugin or not self.host.is_engine_running():
return

self.host.transport_pause()
self.host.transport_relocate(0)

self.refreshTransport()

@pyqtSlot()
def slot_transportBackwards(self):
if self.host.isPlugin or not self.host.is_engine_running():
return

newFrame = self.host.get_current_transport_frame() - 100000

if newFrame < 0:
newFrame = 0

self.host.transport_relocate(newFrame)

@pyqtSlot()
def slot_transportForwards(self):
if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():
return

newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)
self.host.transport_relocate(newFrame)

@pyqtSlot(bool)
def slot_transportJackEnabled(self, clicked):
if not self.host.is_engine_running():
return
mode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL
extra = ":link:" if self.ui.cb_transport_link.isChecked() else ""
self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

@pyqtSlot(bool)
def slot_transportLinkEnabled(self, clicked):
if not self.host.is_engine_running():
return
mode = ENGINE_TRANSPORT_MODE_JACK if self.ui.cb_transport_jack.isChecked() else ENGINE_TRANSPORT_MODE_INTERNAL
extra = ":link:" if clicked else ""
self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

def showEvent(self, event):
self.refreshTransport(True)
QDialog.showEvent(self, event)

def refreshTransport(self, forced = False):
if not self.isVisible():
return
if self.fSampleRate == 0.0 or not self.host.is_engine_running():
return

timeInfo = self.host.get_transport_info()
playing = timeInfo['playing']
frame = timeInfo['frame']
bpm = timeInfo['bpm']

if playing != self.fLastTransportState or forced:
if playing:
icon = getIcon("media-playback-pause")
self.ui.b_play.setChecked(True)
self.ui.b_play.setIcon(icon)
#self.ui.b_play.setText(self.tr("&Pause"))
else:
icon = getIcon("media-playback-start")
self.ui.b_play.setChecked(False)
self.ui.b_play.setIcon(icon)
#self.ui.b_play.setText(self.tr("&Play"))

self.fLastTransportState = playing

if frame != self.fLastTransportFrame or forced:
self.fLastTransportFrame = frame

time = frame / self.fSampleRate
secs = time % 60
mins = (time / 60) % 60
hrs = (time / 3600) % 60
self.ui.l_time_clock.setText("%02i:%02i:%02i" % (hrs, mins, secs))

frame1 = frame % 1000
frame2 = (frame / 1000) % 1000
frame3 = (frame / 1000000) % 1000
self.ui.l_time_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

bar = timeInfo['bar']
beat = timeInfo['beat']
tick = timeInfo['tick']
self.ui.l_time_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

if bpm != self.fLastTransportBPM or forced:
self.fLastTransportBPM = bpm

if bpm > 0.0:
self.ui.dsb_bpm.setValue(bpm)
self.ui.dsb_bpm.setStyleSheet("")
else:
self.ui.dsb_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

# --------------------------------------------------------------------------------------------------------
# Engine callbacks

@pyqtSlot(int, int, str)
def slot_handleEngineStartedCallback(self, processMode, transportMode, driverName):
self.fSampleRate = self.host.get_sample_rate()
self.refreshTransport(True)

self.ui.cb_transport_jack.setEnabled(driverName == "JACK")
self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

@pyqtSlot(float)
def slot_handleSampleRateChangedCallback(self, newSampleRate):
self.fSampleRate = newSampleRate
self.refreshTransport(True)

# ------------------------------------------------------------------------------------------------------------

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