PyGobject（六）布局容器之Button篇——Gtk.ColorButton

Gtk.ColorButton

继承关系

Gtk.ColorButton是能选择颜色的按钮。Gtk.ColorButton是Gtk.Button的直接子类

Methods

方法修饰词 方法名及参数 static new () static new_with_color (color) static new_with_rgba (rgba) get_alpha () get_color () get_title () get_use_alpha () set_alpha (alpha) set_color (color) set_title (title) set_use_alpha (use_alpha)

Virtual Methods

do_color_set ()

Properties

Name Type Flags Short Description alpha int r/w 透明度 (0 完全透明, 65535完全不透明) color Gdk.Color d/r/w 选择的颜色 deprecated show-editor bool r/w/en 是否在右边显示颜色编辑器。这个默认设置为False，为True显示不正常 title str r/w 颜色选择器的标题

Signals

Name Short Description color-set ::color-set 当用户选了了一个颜色时，发出此信号

例子

代码：

#!/usr/bin/env python3# Created by xiaosanyu at 16/6/27# section 007TITLE = "ColorButton"DESCRIPTION = """The Gtk.ColorButton is a button which displays the currently selected color andallows to open a color selection dialog to change the color.It is suitable widget for selecting a color in a preference dialog."""import gigi.require_version('Gtk', '3.0')from gi.repository import Gtk, Gdkclass ColorButtonWindow(Gtk.Window):    def __init__(self):        Gtk.Window.__init__(self, title="ColorButton Demo")        self.set_border_width(10)        self.set_default_size(200, 100)        color = Gdk.color_parse("red")        cbtn = Gtk.ColorButton(color=color, title="ColorButton")        self.add(cbtn)def main():    win = ColorButtonWindow()    win.connect("delete-event", Gtk.main_quit)    win.show_all()    Gtk.main()if __name__ == "__main__":    main()

定义一个Gdk.Color

color = Gdk.color_parse("red")

原型：Gdk.color_parse(spec)
     Parameters: spec (str) – the string specifying the color
     Returns: Gdk.Color or None if the parsing didn’t succeed

创建一个Gtk.ColorButton，指定初始颜色为color红色

cbtn = Gtk.ColorButton(color=color, title="ColorButton")

代码下载地址：http://download.csdn.net/detail/a87b01c14/9594728