我尝试使用以下示例将标记的文本(可能包含斜体,粗体,颜色)放在Gtk.TreeView
列中:
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import sys
import os
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
class CellRendererLabelWindow(Gtk.Window):
def __init__(self):
Gtk.Window.__init__(self, title="Gtk.Label in Gtk.ListStore Example")
# Creating the ListStore object
self.liststore = Gtk.ListStore(str, Gtk.Label)
# Making the ListStore Model
label=Gtk.Label()
label.set_markup("<b>baz</b> foo")
self.liststore.append(["bar", label])
treeview = Gtk.TreeView(model=self.liststore)
# Preparing the first column only plain text
renderer_text_0 = Gtk.CellRendererText()
column_text_0 = Gtk.TreeViewColumn("Text", renderer_text_0, text=0)
treeview.append_column(column_text_0)
# Preparing the second column with label
renderer_text_1 = Gtk.CellRendererText()
column_text_1 = Gtk.TreeViewColumn("Label", renderer_text_1, text=1)
treeview.append_column(column_text_1)
self.add(treeview)
win = CellRendererLabelWindow()
win.connect("destroy", Gtk.main_quit)
win.show_all()
Gtk.main()
并且我收到以下错误消息:
GtkLabelInGtkList.py:43: Warning: unable to set property 'text' of type 'gchararray' from value of type 'GtkLabel'
win.show_all()
GtkLabelInGtkList.py:44: Warning: unable to set property 'text' of type 'gchararray' from value of type 'GtkLabel'
Gtk.main()
以及以下窗口渲染:
如您所见,当我期望出现类似“ baz foo”之类的内容时,“标签”列为空。
如错误消息所述,Gtk尝试在text
中找到属性GtkLabel
,但找不到它。因此,我将text
替换为label
,以使该行类似于column_text_1 = Gtk.TreeViewColumn("Label", renderer_text_1, label=1)
。但随后出现以下错误:
(GtkLabelInGtkList.py:10013): Gtk-WARNING **: Cannot connect attribute 'label' for cell renderer class 'GtkCellRendererText' since attribute does not exist
那么将Label
(或其他Gtk的小部件)放在TreeView
中的解决方案是什么?
您无法将小部件放置在GtkTreeView中,只有单元格渲染器。
如果要在树视图列中显示标记,则可以使用markup
property的markup
代替GtkCellRendererText
属性:
text