如何在Linux上解散(模糊)Python-gi GTK + 3窗口

Question

我想做什么以及为什么

我希望我的窗口不聚焦,因此选择了之前的聚焦窗口.

为什么？我想与之前选择的窗口(来自其他程序)进行交互.我目前的计划是:取消对焦我的窗口,libxdo用来模拟击键,然后再次聚焦我的窗口.

我的窗口可以设置在顶部以帮助避免轻弹.应该够好了.看起来很简单.但我无法让它发挥作用.

到目前为止我尝试过的

隐藏窗口Gtk.Widget.hide()然后再次显示:窗口闪烁太多,它稍微移动了一些像素到顶部(因为窗口管理器固执,我想).

示例测试代码

当前的代码调用Gtk.Window.set_focus(None)不起作用.我需要将其他东西替换成我希望它做的东西.

losefocus.py:

import signal
from gi import require_version
require_version('Gtk', '3.0')
from gi.repository import GLib, Gtk, GObject

class LoseFocusHandler:
  def onClick(self, window):
    print "Losing focus yet?"
    window1 = builder.get_object("window1")
    window1.set_focus(None)

if __name__ == "__main__":
  GObject.threads_init()

  builder = Gtk.Builder()
  builder.add_from_file("losefocus.glade")
  builder.connect_signals(LoseFocusHandler())
  window1 = builder.get_object("window1")
  window1.show_all()

  signal.signal(signal.SIGINT, signal.SIG_DFL)
  Gtk.main()

losefocus.glade:

<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated with glade 3.16.1 -->
<interface>
  <requires lib="gtk+" version="3.10"/>
  <object class="GtkWindow" id="window1">
    <property name="can_focus">False</property>
    <property name="window_position">center-always</property>
    <property name="gravity">center</property>
    <child>
      <object class="GtkButton" id="button1">
        <property name="label" translatable="yes">Lose Focus!</property>
        <property name="visible">True</property>
        <property name="can_focus">True</property>
        <property name="receives_default">True</property>
        <property name="relief">half</property>
        <signal name="clicked" handler="onClick" swapped="no"/>
      </object>
    </child>
  </object>
</interface>

Answer 1

一种简单的解决方案是在创建窗口时和每个窗口上记录之前获得焦点的窗口focus-in-event，并显式聚焦该窗口，而不是尝试取消活动窗口的焦点：

import signal
from gi import require_version
require_version('Gtk', '3.0')
from gi.repository import GLib, Gdk, Gtk, GObject

class LoseFocusHandler:
  def onClick(self, window):
    print "Losing focus yet?"
    old_window[0].focus(0)

def focus_handler(gdk_window, event):
    # At this point, our window does not have focus yet, but is
    # about to. This hence works:
    old_window[0] = gdk_window.get_screen().get_active_window()

if __name__ == "__main__":
  GObject.threads_init()

  old_window = [ Gdk.Screen.get_default().get_active_window() ]

  builder = Gtk.Builder()
  builder.add_from_file("losefocus.glade")
  builder.connect_signals(LoseFocusHandler())
  window1 = builder.get_object("window1")
  window1.connect("focus-in-event", focus_handler)
  window1.show_all()

  signal.signal(signal.SIGINT, signal.SIG_DFL)
  Gtk.main()