如何在GTK3应用程序中设置窗口的背景图像 [英] How to set bg image of a window in a GTK3 application
本文介绍了如何在GTK3应用程序中设置窗口的背景图像的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我发现是这样的:
GdkPixmap *backPixMap = gdk_pixmap_create_from_xpm ( window , NULL , NULL , fileName );
gdk_window_set_back_pixmap( GTK_WIDGET( window )->window , backPixMap , FALSE );
但是GdkPixmap似乎已经过时了...
but it seems that GdkPixmap is obsolete now...
那么,对于GTK3,我如何设置GtkWindow的背景图像?
So, with GTK3, how can I set the background image of a GtkWindow?
推荐答案
您只需要使用叠加层即可.以下是一个示例.
You just need to use an Overlay. Following is an example.
class Window(Gtk.Window):
def __init__(self):
Gtk.Window.__init__(self)
self.overlay = Gtk.Overlay()
self.add(self.overlay)
self.bg = Gtk.Image()
# Load file. Optionally scale it for window
self.bg.set_from_file(BACKGROUND_IMAGE)
# Wrapping in the Scrollable make it resizable.
scrollable_wrapper = Gtk.ScrolledWindow()
scrollable_wrapper.add(self.bg)
scrollable_wrapper.set_size_request(700, 500)
self.overlay.add(scrollable_wrapper)
text = Gtk.Label("Test")
self.overlay.add_overlay(text)
self.connect('destroy', lambda w: Gtk.main_quit())
self.show_all()
Window()
Gtk.main()
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