gui_text_editor.py 文件源码

def create_textview(self):
        scrolledwindow = Gtk.ScrolledWindow()
        scrolledwindow.set_hexpand(True)
        scrolledwindow.set_vexpand(True)
        self.grid.attach(scrolledwindow, 0, 1, 3, 1)

        self.textview = Gtk.TextView()
        self.textbuffer = self.textview.get_buffer()
        self.textbuffer.set_text("This is some text inside of a Gtk.TextView. "
            + "Select text and click one of the buttons 'bold', 'italic', "
            + "or 'underline' to modify the text accordingly.")
        scrolledwindow.add(self.textview)

        self.tag_bold = self.textbuffer.create_tag("bold",
            weight=Pango.Weight.BOLD)
        self.tag_italic = self.textbuffer.create_tag("italic",
            style=Pango.Style.ITALIC)
        self.tag_underline = self.textbuffer.create_tag("underline",
            underline=Pango.Underline.SINGLE)
        self.tag_found = self.textbuffer.create_tag("found",
            background="yellow")