[英]Puting Gtk.Label in Gtk.TreeView row
我尝试使用以下示例将标记文本(可能包含斜体、粗体、颜色)放入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()
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()
以及下面的 window 渲染:
如您所见,当我期待“ baz foo”之类的内容时,“标签”列是空的。
如错误消息所述,Gtk 尝试在GtkLabel
中查找属性text
但未找到。 因此,我将text
替换为label
以使行如下column_text_1 = Gtk.TreeViewColumn("Label", renderer_text_1, label=1)
。 但后来我收到以下错误:
(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)放入TreeView
的解决方案是什么?
您不能将小部件放在 GtkTreeView 中,只能将单元格渲染器。
如果要在树视图列中显示标记,可以使用GtkCellRendererText
的markup
属性而不是text
属性:
self.liststore = Gtk.ListStore(str, str)
self.liststore.append(["bar", "<b>baz</b> foo"])
# ...
column_text_0 = Gtk.TreeViewColumn("Text", renderer_text_0, text=0)
column_text_1 = Gtk.TreeViewColumn("Markup", renderer_text_1, markup=1)
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