/usr/share/doc/python3-xlib/examples/childwin.py is in python3-xlib 0.14+20091101-5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | #!/usr/bin/python3
#
# examples/childwin.py -- demonstrate child windows.
#
# Copyright (C) 2008 David Bronke <whitelynx@gmail.com>
# Copyright (C) 2002 Peter Liljenberg <petli@ctrl-c.liu.se>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import sys
import os
# Change path so we find Xlib
sys.path.insert(1, os.path.join(sys.path[0], '..'))
from Xlib import X, display, Xutil
# Application window
class Window:
def __init__(self, display):
self.d = display
# Find which screen to open the window on
self.screen = self.d.screen()
# background pattern
bgsize = 20
bgpm = self.screen.root.create_pixmap(
bgsize,
bgsize,
self.screen.root_depth
)
bggc = self.screen.root.create_gc(
foreground=self.screen.black_pixel,
background=self.screen.black_pixel
)
bgpm.fill_rectangle(bggc, 0, 0, bgsize, bgsize)
bggc.change(foreground=self.screen.white_pixel)
bgpm.arc(bggc, -bgsize // 2, 0, bgsize, bgsize, 0, 360 * 64)
bgpm.arc(bggc, bgsize // 2, 0, bgsize, bgsize, 0, 360 * 64)
bgpm.arc(bggc, 0, -bgsize // 2, bgsize, bgsize, 0, 360 * 64)
bgpm.arc(bggc, 0, bgsize // 2, bgsize, bgsize, 0, 360 * 64)
# Actual window
self.window = self.screen.root.create_window(
100, 100, 400, 300, 0,
self.screen.root_depth,
X.InputOutput,
X.CopyFromParent,
# special attribute values
background_pixmap=bgpm,
event_mask=(
X.StructureNotifyMask |
X.ButtonReleaseMask
),
colormap=X.CopyFromParent
)
# Set some WM info
self.WM_DELETE_WINDOW = self.d.intern_atom('WM_DELETE_WINDOW')
self.WM_PROTOCOLS = self.d.intern_atom('WM_PROTOCOLS')
self.window.set_wm_name('Xlib example: childwin.py')
self.window.set_wm_icon_name('childwin.py')
self.window.set_wm_class('childwin', 'XlibExample')
self.window.set_wm_protocols([self.WM_DELETE_WINDOW])
self.window.set_wm_hints(
flags=Xutil.StateHint,
initial_state=Xutil.NormalState
)
self.window.set_wm_normal_hints(
flags=(Xutil.PPosition | Xutil.PSize | Xutil.PMinSize),
min_width=50,
min_height=50
)
# Map the window, making it visible
self.window.map()
# Child window
(self.childWidth, self.childHeight) = (20, 20)
self.childWindow = self.window.create_window(
20, 20, self.childWidth, self.childHeight, 0,
self.screen.root_depth,
X.CopyFromParent,
X.CopyFromParent,
# special attribute values
background_pixel=self.screen.white_pixel,
colormap=X.CopyFromParent,
)
self.childWindow.map()
# Main loop, handling events
def loop(self):
current = None
while 1:
e = self.d.next_event()
# Window has been destroyed, quit
if e.type == X.DestroyNotify:
sys.exit(0)
# Button released, add or subtract
elif e.type == X.ButtonRelease:
if e.detail == 1:
print("Moving child window.")
self.childWindow.configure(
x=e.event_x - self.childWidth // 2,
y=e.event_y - self.childHeight // 2
)
self.d.flush()
# Somebody wants to tell us something
elif e.type == X.ClientMessage:
if e.client_type == self.WM_PROTOCOLS:
fmt, data = e.data
if fmt == 32 and data[0] == self.WM_DELETE_WINDOW:
sys.exit(0)
if __name__ == '__main__':
Window(display.Display()).loop()
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