Import LinuxCNC source tree

share/qtvcp/panels/test_panel/test_panel_handler.py

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+############################
+# **** IMPORT SECTION **** #
+############################
+import sys
+import shutil
+from qtpy.QtCore import *
+from qtpy.QtGui import *
+from qtpy.QtWidgets import *
+from qtvcp.core import Status
+###########################################
+# **** instantiate libraries section **** #
+###########################################
+STATUS = Status()
+###################################
+# **** HANDLER CLASS SECTION **** #
+###################################
+
+class HandlerClass:
+
+    ########################
+    # **** INITIALIZE **** #
+    ########################
+    # widgets allows access to  widgets from the qtvcp files
+    # at this point the widgets and hal pins are not instantiated
+    def __init__(self, halcomp,widgets,paths):
+        self.w = widgets
+
+        self.timer = QTimer()
+        self.timer.timeout.connect(self.announceLEDText)
+
+        self.lastLED_1 = 0
+        self.lastLED_2 = 0
+        self.lastLED_3 = 0
+        self.lastLED_4 = 0
+
+        self.timer.start(1000)
+
+    ##########################################
+    # Special Functions called from QTVCP
+    ##########################################
+
+    # at this point:
+    # the widgets are instantiated.
+    # the HAL pins are built but HAL is not set ready
+    def initialized__(self):
+
+        # make sure scalewidgets get proper starting values
+        self.w.dial_1.valueChanged.emit(self.w.dial_1.value())
+        self.w.dial_2.valueChanged.emit(self.w.dial_2.value())
+        self.w.dial_3.valueChanged.emit(self.w.dial_3.value())
+        self.w.dial_4.valueChanged.emit(self.w.dial_4.value())
+
+        # speak text when return pressed
+        self.w.lineEdit_led_1.returnPressed.connect(lambda : self.announceText(self.w.lineEdit_led_1))
+        self.w.lineEdit_led_2.returnPressed.connect(lambda : self.announceText(self.w.lineEdit_led_2))
+        self.w.lineEdit_led_3.returnPressed.connect(lambda : self.announceText(self.w.lineEdit_led_3))
+        self.w.lineEdit_led_4.returnPressed.connect(lambda : self.announceText(self.w.lineEdit_led_4))
+
+        if shutil.which('urxvt') is not None:
+            term = embterminal(name='urxvt')
+            self.w.dockWidget.setWidget(term)
+        elif shutil.which('xterm') is not None:
+            term = embterminal(name='xterm')
+            self.w.dockWidget.setWidget(term)
+        else:
+            self.w.dockWidget.setWidget(
+                QLabel('''terminal program urxvt not available. \
+Try sudo apt install rxvt-unicode-256color'''))
+
+    ########################
+    # callbacks from STATUS #
+    ########################
+
+    #######################
+    # callbacks from form #
+    #######################
+    def actionTriggered(self, data):
+        if data == self.w.actionSetD1_50_50:
+            self.w.dial_1.setMinimum(-50)
+            self.w.dial_1.setMaximum(50)
+            self.w.dockWidget_2.setWindowTitle('Dial 1 (+-50)')
+        elif data == self.w.actionSetD1_100_100:
+            self.w.dial_1.setMinimum(-100)
+            self.w.dial_1.setMaximum(100)
+            self.w.dockWidget_2.setWindowTitle('Dial 1 (+-100)')
+        elif data == self.w.actionSetD1_1000_1000:
+            self.w.dial_1.setMinimum(-1000)
+            self.w.dial_1.setMaximum(1000)
+            self.w.dockWidget_2.setWindowTitle('Dial 1 (+-1000)')
+        elif data == self.w.actionSetD1_0_100:
+            self.w.dial_1.setMinimum(0)
+            self.w.dial_1.setMaximum(100)
+            self.w.dockWidget_2.setWindowTitle('Dial 1 (0-100)')
+        elif data == self.w.actionSetD1_0_360:
+            self.w.dial_1.setMinimum(0)
+            self.w.dial_1.setMaximum(360)
+            self.w.dockWidget_2.setWindowTitle('Dial 1 (0-360)')
+        elif data == self.w.actionSetD1_0_1000:
+            self.w.dial_1.setMinimum(0)
+            self.w.dial_1.setMaximum(1000)
+            self.w.dockWidget_2.setWindowTitle('Dial 1 (0-1000)')
+
+        elif data == self.w.actionSetD2_50_50:
+            self.w.dial_2.setMinimum(-50)
+            self.w.dial_2.setMaximum(50)
+            self.w.dockWidget_3.setWindowTitle('Dial 2 (+-50)')
+        elif data == self.w.actionSetD2_100_100:
+            self.w.dial_2.setMinimum(-100)
+            self.w.dial_2.setMaximum(100)
+            self.w.dockWidget_3.setWindowTitle('Dial 1 (+-100)')
+        elif data == self.w.actionSetD2_1000_1000:
+            self.w.dial_2.setMinimum(-1000)
+            self.w.dial_2.setMaximum(1000)
+            self.w.dockWidget_3.setWindowTitle('Dial 1 (+-1000)')
+        elif data == self.w.actionSetD2_0_100:
+            self.w.dial_2.setMinimum(0)
+            self.w.dial_2.setMaximum(100)
+            self.w.dockWidget_3.setWindowTitle('Dial 2 (0-100)')
+        elif data == self.w.actionSetD2_0_360:
+            self.w.dial_2.setMinimum(0)
+            self.w.dial_2.setMaximum(360)
+            self.w.dockWidget_3.setWindowTitle('Dial 2 (0-360)')
+        elif data == self.w.actionSetD2_0_1000:
+            self.w.dial_2.setMinimum(0)
+            self.w.dial_2.setMaximum(1000)
+            self.w.dockWidget_3.setWindowTitle('Dial 2 (0-1000)')
+
+    def announceLEDText(self):
+        # speak led label contents on state change, if checked
+        for i in range(1,5):
+            if self.w['actionLED_{}'.format(i)].isChecked():
+                data = self.w['led_{}'.format(i)].getState()
+                if self['lastLED_{}'.format(i)] != data:
+                    name = self.w['lineEdit_led_{}'.format(i)].text()
+                    STATUS.emit('play-sound', 'SPEAK {} {}'.format(name,data))
+                    self['lastLED_{}'.format(i)] = data
+
+    def announceText(self, widget):
+        STATUS.emit('play-sound', 'SPEAK {}'.format(widget.text()))
+
+    #####################
+    # general functions #
+    #####################
+
+    #####################
+    # KEY BINDING CALLS #
+    #####################
+
+    ###########################
+    # **** closing event **** #
+    ###########################
+
+    ##############################
+    # required class boiler code #
+    ##############################
+
+    def __getitem__(self, item):
+        return getattr(self, item)
+    def __setitem__(self, item, value):
+        return setattr(self, item, value)
+
+class embterminal(QWidget):
+
+    def __init__(self, parent=None, name=None):
+        super(embterminal, self).__init__(parent)
+        self.process = QProcess(self)
+
+        self.w = QWindow()
+        self.terminal = QWidget.createWindowContainer(self.w)
+        self.terminal.setMinimumSize(550,100)
+        self.terminal.setMaximumSize(550,100)
+
+        layout = QVBoxLayout(self)
+        layout.addWidget(self.terminal)
+
+        size_policy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+        self.setSizePolicy(size_policy)
+
+        # xterm
+        if name == 'xterm':
+            self.process.start(
+                'xterm',['-bg','black','-fg','green', '-cr','green',
+                '-bd', 'green', '-fa', 'Monospace', '-fs', '10',
+                '-into', str(int(self.w.winId()))])
+        else:
+            # Works also with urxvt:
+            self.process.start(
+                'urxvt',['-bg','black','-fg','green', '-cr','green',
+                '-bd', 'green', '--font', 'xft:Monospace:size=10', '-embed', str(int(self.w.winId()))])
+
+    def sizeHint(self):
+        return QSize(550, 100)
+
+################################
+# required handler boiler code #
+################################
+
+def get_handlers(halcomp,widgets,paths):
+     return [HandlerClass(halcomp,widgets,paths)]