merge changes from master

merge dockable shell

FlatCAMApp.py

@@ -10,6 +10,7 @@ import os
 import Tkinter
 from PyQt4 import QtCore
 import time  # Just used for debugging. Double check before removing.
+from xml.dom.minidom import parseString as parse_xml_string
 from contextlib import contextmanager
 
 ########################################
@@ -26,7 +27,6 @@ from FlatCAMDraw import FlatCAMDraw
 from FlatCAMProcess import *
 from MeasurementTool import Measurement
 from DblSidedTool import DblSidedTool
-from xml.dom.minidom import parseString as parse_xml_string
 import tclCommands
 
 ########################################
@@ -105,6 +105,8 @@ class App(QtCore.QObject):
     # and is ready to be used.
     new_object_available = QtCore.pyqtSignal(object)
 
+    message = QtCore.pyqtSignal(str, str, str)
+
     # Emmited when shell command is finished(one command only)
     shell_command_finished = QtCore.pyqtSignal(object)
 
@@ -112,8 +114,6 @@ class App(QtCore.QObject):
     # in the worker task.
     thread_exception = QtCore.pyqtSignal(object)
 
-    message = QtCore.pyqtSignal(str, str, str)
-
     def __init__(self, user_defaults=True, post_gui=None):
         """
         Starts the application.
@@ -479,7 +479,7 @@ class App(QtCore.QObject):
         self.ui.menuviewdisableall.triggered.connect(self.disable_plots)
         self.ui.menuviewdisableother.triggered.connect(lambda: self.disable_plots(except_current=True))
         self.ui.menuviewenable.triggered.connect(self.enable_all_plots)
-        self.ui.menutoolshell.triggered.connect(lambda: self.shell.show())
+        self.ui.menutoolshell.triggered.connect(self.on_toggle_shell)
         self.ui.menuhelp_about.triggered.connect(self.on_about)
         self.ui.menuhelp_home.triggered.connect(lambda: webbrowser.open(self.app_url))
         self.ui.menuhelp_manual.triggered.connect(lambda: webbrowser.open(self.manual_url))
@@ -493,7 +493,7 @@ class App(QtCore.QObject):
         self.ui.editgeo_btn.triggered.connect(self.edit_geometry)
         self.ui.updategeo_btn.triggered.connect(self.editor2geometry)
         self.ui.delete_btn.triggered.connect(self.on_delete)
-        self.ui.shell_btn.triggered.connect(lambda: self.shell.show())
+        self.ui.shell_btn.triggered.connect(self.on_toggle_shell)
         # Object list
         self.collection.view.activated.connect(self.on_row_activated)
         # Options
@@ -528,14 +528,24 @@ class App(QtCore.QObject):
         self.shell = FCShell(self)
         self.shell.setWindowIcon(self.ui.app_icon)
         self.shell.setWindowTitle("FlatCAM Shell")
-        if self.defaults["shell_at_startup"]:
-            self.shell.show()
         self.shell.resize(*self.defaults["shell_shape"])
         self.shell.append_output("FlatCAM %s\n(c) 2014-2015 Juan Pablo Caram\n\n" % self.version)
         self.shell.append_output("Type help to get started.\n\n")
 
         self.init_tcl()
 
+        self.ui.shell_dock = QtGui.QDockWidget("FlatCAM TCL Shell")
+        self.ui.shell_dock.setWidget(self.shell)
+        self.ui.shell_dock.setAllowedAreas(QtCore.Qt.AllDockWidgetAreas)
+        self.ui.shell_dock.setFeatures(QtGui.QDockWidget.DockWidgetMovable |
+                             QtGui.QDockWidget.DockWidgetFloatable | QtGui.QDockWidget.DockWidgetClosable)
+        self.ui.addDockWidget(QtCore.Qt.BottomDockWidgetArea, self.ui.shell_dock)
+
+        if self.defaults["shell_at_startup"]:
+            self.ui.shell_dock.show()
+        else:
+            self.ui.shell_dock.hide()
+
         if self.cmd_line_shellfile:
             try:
                 with open(self.cmd_line_shellfile, "r") as myfile:
@@ -1064,6 +1074,16 @@ class App(QtCore.QObject):
         if not silent:
             self.inform.emit("Defaults saved.")
 
+    def on_toggle_shell(self):
+        """
+        toggle shell if is  visible close it if  closed open it
+        :return:
+        """
+        if self.ui.shell_dock.isVisible():
+            self.ui.shell_dock.hide()
+        else:
+            self.ui.shell_dock.show()
+
     def on_edit_join(self):
         """
         Callback for Edit->Join. Joins the selected geometry objects into
@@ -2201,13 +2221,22 @@ class App(QtCore.QObject):
 
             return a, kwa
 
-
         @contextmanager
         def wait_signal(signal, timeout=10000):
-            """Block loop until signal emitted, or timeout (ms) elapses."""
+            """
+            Block loop until signal emitted, timeout (ms) elapses
+            or unhandled exception happens in a thread.
+
+            :param signal: Signal to wait for.
+            """
             loop = QtCore.QEventLoop()
+
+            # Normal termination
             signal.connect(loop.quit)
 
+            # Termination by exception in thread
+            self.thread_exception.connect(loop.quit)
+
             status = {'timed_out': False}
 
             def report_quit():
@@ -2216,17 +2245,23 @@ class App(QtCore.QObject):
 
             yield
 
+            # Temporarily change how exceptions are managed.
             oeh = sys.excepthook
             ex = []
-            def exceptHook(type_, value, traceback):
-                ex.append(value)
-                oeh(type_, value, traceback)
-            sys.excepthook = exceptHook
 
+            def except_hook(type_, value, traceback_):
+                ex.append(value)
+                oeh(type_, value, traceback_)
+            sys.excepthook = except_hook
+
+            # Terminate on timeout
             if timeout is not None:
                 QtCore.QTimer.singleShot(timeout, report_quit)
 
+            #### Block ####
             loop.exec_()
+
+            # Restore exception management
             sys.excepthook = oeh
             if ex:
                 self.raiseTclError(str(ex[0]))