[add] new file "MessageDialog.py"

blackbox/ui/MessageDialog.py

@@ -0,0 +1,118 @@
+# This class is used to create a modal dialog window showing detailed information about an event
+
+import os
+import gi
+import Functions as fn
+
+gi.require_version("Gtk", "3.0")
+from gi.repository import Gtk
+
+base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
+# base_dir = os.path.dirname(os.path.realpath(__file__))
+
+
+class MessageDialog(Gtk.Dialog):
+    # message_type is a string, either one of "info", "warning", "error" to show which infobar to display
+    # extended argument when set to true shows a textview inside the dialog
+    # extended argument when set to false only shows a standard dialog
+    def __init__(
+        self, title, subtitle, first_msg, secondary_msg, message_type, extended
+    ):
+        Gtk.Dialog.__init__(self)
+
+        headerbar = Gtk.HeaderBar()
+        headerbar.set_title(title)
+        headerbar.set_show_close_button(True)
+
+        self.set_resizable(True)
+
+        self.set_border_width(10)
+
+        self.set_titlebar(headerbar)
+
+        btn_ok = Gtk.Button(label="OK")
+        btn_ok.set_size_request(100, 30)
+        btn_ok.connect("clicked", on_message_dialog_ok_response, self)
+        btn_ok.set_halign(Gtk.Align.END)
+        self.set_icon_from_file(os.path.join(base_dir, "images/blackbox.png"))
+
+        infobar = Gtk.InfoBar()
+
+        if message_type == "info":
+            infobar.set_name("infobar_info")
+        if message_type == "error":
+            infobar.set_name("infobar_error")
+        if message_type == "warning":
+            infobar.set_name("infobar_warning")
+
+        lbl_title_message = Gtk.Label(xalign=0, yalign=0)
+        lbl_title_message.set_markup("<b>%s</b>" % subtitle)
+        content = infobar.get_content_area()
+        content.add(lbl_title_message)
+
+        infobar.set_revealed(True)
+
+        lbl_padding1 = Gtk.Label(xalign=0, yalign=0)
+        lbl_padding1.set_text("")
+
+        lbl_padding2 = Gtk.Label(xalign=0, yalign=0)
+        lbl_padding2.set_text("")
+
+        grid_message = Gtk.Grid()
+
+        grid_message.attach(infobar, 0, 0, 1, 1)
+        grid_message.attach(lbl_padding1, 0, 1, 1, 1)
+
+        if extended is True:
+            scrolled_window = Gtk.ScrolledWindow()
+            textview = Gtk.TextView()
+            textview.set_property("editable", False)
+            textview.set_property("monospace", True)
+            textview.set_border_width(10)
+            textview.set_vexpand(True)
+            textview.set_hexpand(True)
+
+            msg_buffer = textview.get_buffer()
+            msg_buffer.insert(
+                msg_buffer.get_end_iter(),
+                "Event timestamp = %s\n"
+                % fn.datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
+            )
+            msg_buffer.insert(msg_buffer.get_end_iter(), "%s\n" % first_msg)
+            msg_buffer.insert(msg_buffer.get_end_iter(), "%s\n" % secondary_msg)
+
+            # move focus away from the textview, to hide the cursor at load
+            headerbar.set_property("can-focus", True)
+            Gtk.Window.grab_focus(headerbar)
+
+            scrolled_window.add(textview)
+
+            grid_message.attach(scrolled_window, 0, 2, 1, 1)
+            grid_message.attach(lbl_padding2, 0, 3, 1, 1)
+
+            self.set_default_size(800, 600)
+
+        else:
+            # do not display textview
+            lbl_first_message = Gtk.Label(xalign=0, yalign=0)
+            lbl_first_message.set_text(first_msg)
+
+            lbl_second_message = Gtk.Label(xalign=0, yalign=0)
+            lbl_second_message.set_markup("<b>%s</b>" % secondary_msg)
+
+            grid_message.attach(lbl_first_message, 0, 2, 1, 1)
+            grid_message.attach(lbl_second_message, 0, 3, 1, 1)
+
+            self.set_default_size(600, 100)
+            self.set_resizable(False)
+
+        vbox_close = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+        vbox_close.pack_start(btn_ok, True, True, 1)
+
+        self.vbox.add(grid_message)
+        self.vbox.add(vbox_close)
+
+
+def on_message_dialog_ok_response(self, widget):
+    # widget.hide()
+    widget.destroy()