Repository navigation
Expand file tree
/
Copy pathwxpython.py
More file actions
202 lines (164 loc) · 6.27 KB
/
Copy pathwxpython.py
File metadata and controls
202 lines (164 loc) · 6.27 KB
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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
# Example of embedding CEF Python browser using wxPython library.
# This example has a top menu and a browser widget without navigation bar.
# To install wxPython on Linux type "sudo apt-get install python-wxtools".
# Tested configurations:
# - wxPython 3.0 on Windows/Mac
# - wxPython 2.8 on Linux
# - CEF Python v55.4+
import wx
from cefpython3 import cefpython as cef
import platform
import sys
import os
# Fix for PyCharm hints warnings
WindowUtils = cef.WindowUtils()
# Platforms
WINDOWS = (platform.system() == "Windows")
LINUX = (platform.system() == "Linux")
MAC = (platform.system() == "Darwin")
# Configuration
WIDTH = 800
HEIGHT = 600
# Globals
g_count_windows = 0
def main():
check_versions()
sys.excepthook = cef.ExceptHook # To shutdown all CEF processes on error
settings = {}
if WINDOWS:
# High DPI support
settings["auto_zooming"] = "system_dpi"
# noinspection PyUnresolvedReferences, PyArgumentList
cef.DpiAware.SetProcessDpiAware() # Alternative is to embed manifest
cef.Initialize(settings=settings)
app = CefApp(False)
app.MainLoop()
del app # Must destroy before calling Shutdown
if not MAC:
# On Mac shutdown is called in OnClose
cef.Shutdown()
def check_versions():
print("[wxpython.py] CEF Python {ver}".format(ver=cef.__version__))
print("[wxpython.py] Python {ver}".format(ver=sys.version[:6]))
print("[wxpython.py] wxPython {ver}".format(ver=wx.version()))
# CEF Python version requirement
assert cef.__version__ >= "55.3", "CEF Python v55.3+ required to run this"
class MainFrame(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, parent=None, id=wx.ID_ANY,
title='wxPython example', size=(WIDTH, HEIGHT))
self.browser = None
global g_count_windows
g_count_windows += 1
self.setup_icon()
self.create_menu()
self.Bind(wx.EVT_CLOSE, self.OnClose)
# Set wx.WANTS_CHARS style for the keyboard to work.
# This style also needs to be set for all parent controls.
self.browser_panel = wx.Panel(self, style=wx.WANTS_CHARS)
self.browser_panel.Bind(wx.EVT_SET_FOCUS, self.OnSetFocus)
self.browser_panel.Bind(wx.EVT_SIZE, self.OnSize)
# On Linux must show before embedding browser, so that handle
# is available.
if LINUX:
self.Show()
self.embed_browser()
else:
self.embed_browser()
self.Show()
def setup_icon(self):
icon_file = os.path.join(os.path.abspath(os.path.dirname(__file__)),
"resources", "wxpython.png")
if os.path.exists(icon_file):
icon = wx.IconFromBitmap(wx.Bitmap(icon_file, wx.BITMAP_TYPE_PNG))
self.SetIcon(icon)
def create_menu(self):
filemenu = wx.Menu()
filemenu.Append(1, "Some option")
filemenu.Append(2, "Another option")
menubar = wx.MenuBar()
menubar.Append(filemenu, "&File")
self.SetMenuBar(menubar)
def embed_browser(self):
window_info = cef.WindowInfo()
(width, height) = self.browser_panel.GetClientSizeTuple()
window_info.SetAsChild(self.browser_panel.GetHandle(),
[0, 0, width, height])
self.browser = cef.CreateBrowserSync(window_info,
url="https://www.google.com/")
self.browser.SetClientHandler(FocusHandler())
def OnSetFocus(self, _):
if not self.browser:
return
if WINDOWS:
WindowUtils.OnSetFocus(self.browser_panel.GetHandle(),
0, 0, 0)
self.browser.SetFocus(True)
def OnSize(self, _):
if not self.browser:
return
if WINDOWS:
WindowUtils.OnSize(self.browser_panel.GetHandle(),
0, 0, 0)
elif LINUX:
(x, y) = (0, 0)
(width, height) = self.browser_panel.GetSizeTuple()
self.browser.SetBounds(x, y, width, height)
self.browser.NotifyMoveOrResizeStarted()
def OnClose(self, event):
print("[wxpython.py] OnClose called")
if not self.browser:
# May already be closing, may be called multiple times on Mac
return
if MAC:
# On Mac things work differently, other steps are required
self.browser.CloseBrowser()
self.clear_browser_references()
self.Destroy()
global g_count_windows
g_count_windows -= 1
if g_count_windows == 0:
cef.Shutdown()
wx.GetApp().Exit()
else:
# Calling browser.CloseBrowser() and/or self.Destroy()
# in OnClose may cause app crash on some paltforms in
# some use cases, details in Issue #107.
self.browser.ParentWindowWillClose()
event.Skip()
self.clear_browser_references()
def clear_browser_references(self):
# Clear browser references that you keep anywhere in your
# code. All references must be cleared for CEF to shutdown cleanly.
self.browser = None
class FocusHandler(object):
def OnGotFocus(self, browser, **_):
# Temporary fix for focus issues on Linux (Issue #284).
if LINUX:
print("[wxpython.py] FocusHandler.OnGotFocus:"
" keyboard focus fix (Issue #284)")
browser.SetFocus(True)
class CefApp(wx.App):
def __init__(self, redirect):
self.timer = None
self.timer_id = 1
super(CefApp, self).__init__(redirect=redirect)
def OnInit(self):
self.create_timer()
frame = MainFrame()
self.SetTopWindow(frame)
frame.Show()
return True
def create_timer(self):
# See also "Making a render loop":
# http://wiki.wxwidgets.org/Making_a_render_loop
# Another way would be to use EVT_IDLE in MainFrame.
self.timer = wx.Timer(self, self.timer_id)
self.timer.Start(10) # 10ms timer
wx.EVT_TIMER(self, self.timer_id, self.on_timer)
def on_timer(self, _):
cef.MessageLoopWork()
def OnExit(self):
self.timer.Stop()
if __name__ == '__main__':
main()