Python 为什么笔记本控件没有显示在我的窗口中?
虽然我对Python并不陌生,但这是我第一次尝试使用Glade设计接口。我的Python文件如下所示:Python 为什么笔记本控件没有显示在我的窗口中?,python,pygtk,glade,Python,Pygtk,Glade,虽然我对Python并不陌生,但这是我第一次尝试使用Glade设计接口。我的Python文件如下所示: import gobject import gtk import gtk.glade class prefs_dialog: def __init__ (self): # Initialize the dialog self.window = gtk.glade.XML("file.glade").get_widget("prefs_dialog
import gobject
import gtk
import gtk.glade
class prefs_dialog:
def __init__ (self):
# Initialize the dialog
self.window = gtk.glade.XML("file.glade").get_widget("prefs_dialog")
self.window.show()
pd = prefs_dialog()
gtk.main()
<?xml version="1.0"?>
<glade-interface>
<!-- interface-requires gtk+ 2.16 -->
<!-- interface-naming-policy project-wide -->
<widget class="GtkDialog" id="prefs_dialog">
<property name="border_width">5</property>
<property name="type_hint">normal</property>
<property name="has_separator">False</property>
<child internal-child="vbox">
<widget class="GtkVBox" id="dialog-vbox">
<property name="visible">True</property>
<property name="spacing">2</property>
<child>
<widget class="GtkNotebook" id="notebook1">
<property name="visible">True</property>
<property name="can_focus">True</property>
<child>
<placeholder/>
</child>
<child>
<widget class="GtkLabel" id="label1">
<property name="visible">True</property>
<property name="label" translatable="yes">page 1</property>
</widget>
<packing>
<property name="tab_fill">False</property>
<property name="type">tab</property>
</packing>
</child>
<child>
<placeholder/>
</child>
<child>
<widget class="GtkLabel" id="label2">
<property name="visible">True</property>
<property name="label" translatable="yes">page 2</property>
</widget>
<packing>
<property name="position">1</property>
<property name="tab_fill">False</property>
<property name="type">tab</property>
</packing>
</child>
<child>
<placeholder/>
</child>
<child>
<widget class="GtkLabel" id="label3">
<property name="visible">True</property>
<property name="label" translatable="yes">page 3</property>
</widget>
<packing>
<property name="position">2</property>
<property name="tab_fill">False</property>
<property name="type">tab</property>
</packing>
</child>
</widget>
<packing>
<property name="position">1</property>
</packing>
</child>
<child internal-child="action_area">
<widget class="GtkHButtonBox" id="dialog-action_area">
<property name="visible">True</property>
<property name="layout_style">end</property>
<child>
<placeholder/>
</child>
<child>
<placeholder/>
</child>
</widget>
<packing>
<property name="expand">False</property>
<property name="pack_type">end</property>
<property name="position">0</property>
</packing>
</child>
</widget>
</child>
</widget>
</glade-interface>
“file.glade”文件如下所示:
import gobject
import gtk
import gtk.glade
class prefs_dialog:
def __init__ (self):
# Initialize the dialog
self.window = gtk.glade.XML("file.glade").get_widget("prefs_dialog")
self.window.show()
pd = prefs_dialog()
gtk.main()
<?xml version="1.0"?>
<glade-interface>
<!-- interface-requires gtk+ 2.16 -->
<!-- interface-naming-policy project-wide -->
<widget class="GtkDialog" id="prefs_dialog">
<property name="border_width">5</property>
<property name="type_hint">normal</property>
<property name="has_separator">False</property>
<child internal-child="vbox">
<widget class="GtkVBox" id="dialog-vbox">
<property name="visible">True</property>
<property name="spacing">2</property>
<child>
<widget class="GtkNotebook" id="notebook1">
<property name="visible">True</property>
<property name="can_focus">True</property>
<child>
<placeholder/>
</child>
<child>
<widget class="GtkLabel" id="label1">
<property name="visible">True</property>
<property name="label" translatable="yes">page 1</property>
</widget>
<packing>
<property name="tab_fill">False</property>
<property name="type">tab</property>
</packing>
</child>
<child>
<placeholder/>
</child>
<child>
<widget class="GtkLabel" id="label2">
<property name="visible">True</property>
<property name="label" translatable="yes">page 2</property>
</widget>
<packing>
<property name="position">1</property>
<property name="tab_fill">False</property>
<property name="type">tab</property>
</packing>
</child>
<child>
<placeholder/>
</child>
<child>
<widget class="GtkLabel" id="label3">
<property name="visible">True</property>
<property name="label" translatable="yes">page 3</property>
</widget>
<packing>
<property name="position">2</property>
<property name="tab_fill">False</property>
<property name="type">tab</property>
</packing>
</child>
</widget>
<packing>
<property name="position">1</property>
</packing>
</child>
<child internal-child="action_area">
<widget class="GtkHButtonBox" id="dialog-action_area">
<property name="visible">True</property>
<property name="layout_style">end</property>
<child>
<placeholder/>
</child>
<child>
<placeholder/>
</child>
</widget>
<packing>
<property name="expand">False</property>
<property name="pack_type">end</property>
<property name="position">0</property>
</packing>
</child>
</widget>
</child>
</widget>
</glade-interface>
5.
正常的
假的
真的
2.
真的
真的
真的
第1页
假的
标签
真的
第2页
1.
假的
标签
真的
第3页
2.
假的
标签
1.
真的
结束
假的
结束
0
当我运行应用程序时,我会看到一个非常小的窗口和消息:
python prefs_dialog.py
prefs_dialog.py:11: GtkWarning: gtk_notebook_set_tab_label: assertion `GTK_IS_WI
DGET (child)' failed
self.window = gtk.glade.XML("file.glade").get_widget("prefs_dialog")
python prefs_dialog.py
prefs_dialog.py:11:GtkWarning:gtk_notebook_set_tab_label:assertion`gtk_IS_WI
DGET(子项)“”失败
self.window=gtk.glade.XML(“file.glade”).get_小部件(“prefs_对话框”)
另外,该控件没有显示。好的,所以问题似乎是笔记本控件的选项卡中没有小部件。添加某些内容导致控件最终显示