Show settings in a modal window instead of dock

This makes more sense since settings do not need to be visible all the
time.

Author: ihabunek

pugdebug/gui/main_window.py

@@ -85,12 +85,6 @@ def setup_docks(self):
             Qt.LeftDockWidgetArea
         )
 
-        self.__add_dock_widget(
-            self.settings_window,
-            "Settings",
-            Qt.LeftDockWidgetArea
-        )
-
         self.__add_dock_widget(
             self.variable_viewer,
             "Variables",
@@ -179,6 +173,11 @@ def setup_actions(self):
         self.quit_action.setShortcut(QKeySequence("Alt+F4"))
         self.quit_action.triggered.connect(self.close)
 
+        self.show_settings_action = QAction("&Settings", self)
+        self.show_settings_action.setToolTip("Show settings")
+        self.show_settings_action.setStatusTip("Show the settings window.")
+        self.show_settings_action.triggered.connect(self.settings_window.exec)
+
     def setup_toolbar(self):
         toolbar = QToolBar("Main Toolbar")
         toolbar.setObjectName("main-toolbar")
@@ -199,6 +198,7 @@ def setup_menubar(self):
 
         file_menu = menu_bar.addMenu("&File")
         file_menu.addAction(self.quit_action)
+        file_menu.addAction(self.show_settings_action)
 
         view_menu = menu_bar.addMenu("&View")
 

pugdebug/gui/settings.py

@@ -9,13 +9,13 @@
 
 __author__ = "robertbasic"
 
-from PyQt5.QtWidgets import (QWidget, QLineEdit, QFormLayout,
+from PyQt5.QtWidgets import (QDialog, QLineEdit, QFormLayout,
                              QSpinBox, QCheckBox)
 
 from pugdebug.models.settings import get_setting, set_setting
 
 
-class PugdebugSettingsWindow(QWidget):
+class PugdebugSettingsWindow(QDialog):
 
     layout = QFormLayout()