Add cv_gtk3 package.

cv_gtk3/main_window.py

@@ -0,0 +1,48 @@
+from cv_gtk3.setting import GUISettings
+
+
+class MainWindowFunctions:
+    """
+    Class for holding general functions of the main window container
+    such as controlling the status and menu bar .
+    """
+    def __init__(self, ui):
+        self.ui = ui
+
+    def hide_initial_widgets(self):
+        self.ui.get_object('statusbar_spinner').set_visible(False)
+        self.ui.get_object('statusbar_label').set_visible(False)
+
+    def show_status(self, message):
+        """
+        Display a massage in the status bar alon with an animated spinner
+        :param message: The text to display
+        """
+        spinner = self.ui.get_object('statusbar_spinner')
+        label = self.ui.get_object('statusbar_label')
+        spinner.set_visible(True)
+        label.set_visible(True)
+        label.set_text(message)
+
+    def clear_status(self):
+        """
+        Hides the message an spinner in the status bar
+        """
+        self.ui.get_object('statusbar_spinner').set_visible(False)
+        self.ui.get_object('statusbar_label').set_visible(False)
+
+    def switch_page(self, page):
+        """
+        Switch active page
+        :param page: name of the new page
+        """
+        container = self.ui.get_object("contentPage")
+        new_page = GUISettings.pages[page]
+        if GUISettings.current_page:
+            container.remove(GUISettings.current_page)
+        GUISettings.current_page = new_page
+        container.pack_start(GUISettings.current_page, True, True, 0)
+        container.show_all()
+        GUISettings.current_page.emit('show')
+        app_title = GUISettings.current_page.get_name() + " - " +GUISettings.application_title
+        self.ui.get_object("mainWindow").set_title(app_title)