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如何使用CSS樣式表爲GTK應用程序製作這樣的佈局?我可以使用CSS設計GtkBox邊距/填充嗎?
下面是示例代碼:
#!/usr/bin/python
import gi
gi.require_version("Gtk", "3.0")
gi.require_version("Gdk", "3.0")
from gi.repository import Gtk, Gdk
# Main application window
# =======================
class MainWindow(Gtk.Window):
def __init__(self):
Gtk.Window.__init__(self)
self.connect("delete-event", Gtk.main_quit)
self.set_name("main-window")
# load style from file
cssProvider = Gtk.CssProvider()
cssProvider.load_from_path('style.css')
# get the default screen for the default display
screen = Gdk.Screen.get_default()
# new object which will store styling information affecting widget
styleContext = Gtk.StyleContext()
styleContext.add_provider_for_screen(screen, cssProvider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
self.resize(200, 200)
# create box for another boxes
self.box = Gtk.Box()
self.box.set_name("box")
self.add(self.box)
self.box2 = Gtk.Box()
self.box2.set_name("box2")
self.box.pack_start(self.box2, False, False, 0)
self.text = Gtk.Label.new()
self.text.set_text('text')
self.box2.pack_start(self.text, False, False, 0)
self.box3 = Gtk.Box()
self.box3.set_name("box3")
self.box.pack_start(self.box3, False, False, 0)
self.text2 = Gtk.Label.new()
self.text2.set_text('text2')
self.box3.pack_start(self.text2, False, False, 0)
# Create and show window
win = MainWindow()
win.show_all()
Gtk.main()
下面是該將在HTML
#box {
background: blue;
padding: 5px;
}
#box2 {
background: red;
margin: 5px;
}
#box3 {
background: green;
margin: 5px;
}
但結果工作CSS樣式表:
當然,我可以在Python代碼中添加填充/間距值,但僅限於沒有嵌套框的水平間距。無需硬編碼,只用css解決方案就可以完成這項工作嗎?