117 lines
3.8 KiB
Python
117 lines
3.8 KiB
Python
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#!/usr/bin/env python3
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import gi
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gi.require_version('Gtk', '3.0')
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from gi.repository import Gtk, Gdk, GdkPixbuf
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import os
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import textwrap
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# Return a pixbuf from icon name
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def get_icon(name, size):
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""" Return a GdkPixbuf.Pixbuf """
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found = False
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if name.startswith('/'):
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try:
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# name is an absolute pathname to a file
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pixbuf = GdkPixbuf.Pixbuf.new_from_file(name)
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pixbuf = pixbuf.scale_simple(size, size, GdkPixbuf.InterpType.BILINEAR)
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found = True
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except gi.repository.GLib.GError:
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name = os.path.basename(name).split('.')[0]
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if not found:
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theme = Gtk.IconTheme.get_default()
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try:
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pixbuf = theme.load_icon(name, size, Gtk.IconLookupFlags.USE_BUILTIN)
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except gi.repository.GLib.GError:
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try:
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filename = os.path.join('/usr/share/pixmaps', name)
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pixbuf = GdkPixbuf.Pixbuf.new_from_file(filename)
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found = True
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except gi.repository.GLib.GError:
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pixbuf = theme.load_icon(Gtk.STOCK_PREFERENCES, 16, 0)
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if pixbuf.get_width() != size or pixbuf.get_height() != size:
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pixbuf = pixbuf.scale_simple(size, size, GdkPixbuf.InterpType.BILINEAR)
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return pixbuf
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# My widget: icon and label wrapped in an EventBox
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class DesktopToolWidget(Gtk.EventBox):
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def __init__(self, label, icon_name, icon_size=48, orientation=Gtk.Orientation.VERTICAL, border=4, wrap=0):
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Gtk.EventBox.__init__(self)
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self.set_border_width(0)
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self.set_events(Gdk.EventMask.BUTTON_PRESS_MASK)
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vbox = Gtk.Box(orientation=orientation, spacing=border)
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vbox.set_border_width(int(border / 2))
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btn_image = Gtk.Image()
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pixbuf = get_icon(icon_name, icon_size)
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btn_image.set_from_pixbuf(pixbuf)
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vbox.pack_start(btn_image, expand=False, fill=False, padding=0)
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if label is not None:
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label_markup = textwrap.fill(label, wrap) if wrap else label
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btn_label = Gtk.Label(label_markup, wrap=True)
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btn_label.set_use_markup(True)
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vbox.pack_start(btn_label, expand=False, fill=False, padding=0)
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self.add(vbox)
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self.show_all()
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def connect_clicked(self, callback, *args):
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self.connect("button_press_event", lambda widget, event: callback(*args))
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class Test:
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Value = 5
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def do_something(self, args):
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print("do_something: args:", args, "value:", self.Value)
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class MainWindow(Gtk.Window):
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def __init__(self):
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Gtk.Window.__init__(self, title="DesktopToolWidget Test")
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self.set_border_width(10)
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vbox = Gtk.VBox(spacing=8)
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icon_size = 48
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# Button 1
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icon_button1 = DesktopToolWidget("<b>Hello</b>\nIconButton", 'vlc', icon_size)
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icon_button1.set_size_request(150, 150)
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vbox.pack_start(icon_button1, expand=False, fill=False, padding=0)
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# Attach a callback
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test = Test()
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icon_button1.connect_clicked(test.do_something, "Hello")
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# Button 2
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label = "<b>Hello</b>\nIconButton Horizontal"
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icon_button2 = DesktopToolWidget(label, 'synaptic', icon_size, Gtk.Orientation.HORIZONTAL)
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icon_button2.set_size_request(200, 100)
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vbox.pack_start(icon_button2, expand=False, fill=False, padding=0)
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# Button 3
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label = "<b>Hello</b>This is a very long label a very long label a very long label"
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icon_button3 = DesktopToolWidget(label, 'synaptic', icon_size, Gtk.Orientation.HORIZONTAL, wrap=30)
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icon_button3.set_size_request(200, 100)
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vbox.pack_start(icon_button3, expand=False, fill=False, padding=0)
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self.add(vbox)
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if __name__ == "__main__":
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win = MainWindow()
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win.connect("destroy", Gtk.main_quit)
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win.show_all()
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Gtk.main()
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