def __init__(self, form, window, alert):
self.pywebview_window = window
self.web_browser = WebBrowserEx()
self.web_browser.Dock = WinForms.DockStyle.Fill
self.web_browser.ScriptErrorsSuppressed = not _debug
self.web_browser.IsWebBrowserContextMenuEnabled = _debug
self.web_browser.WebBrowserShortcutsEnabled = False
self.web_browser.DpiAware = True
MSHTML.alert = alert
user_agent = _user_agent or settings.get('user_agent')
if user_agent:
self.web_browser.ChangeUserAgent(user_agent)
self.web_browser.ScriptErrorsSuppressed = not _debug
self.web_browser.IsWebBrowserContextMenuEnabled = _debug
self.js_result_semaphore = Semaphore(0)
self.js_bridge = MSHTML.JSBridge()
self.js_bridge.window = window
self.web_browser.ObjectForScripting = self.js_bridge
# HACK. Hiding the WebBrowser is needed in order to show a non-default background color. Tweaking the Visible property
# results in showing a non-responsive control, until it is loaded fully. To avoid this, we need to disable this behaviour
# for the default background color.
if window.background_color != '#FFFFFF':
self.web_browser.Visible = False
self.first_load = True
else:
self.first_load = False
self.cancel_back = False
self.web_browser.PreviewKeyDown += self.on_preview_keydown
self.web_browser.Navigating += self.on_navigating
self.web_browser.NewWindow3 += self.on_new_window
self.web_browser.DownloadComplete += self.on_download_complete
self.web_browser.DocumentCompleted += self.on_document_completed
if window.real_url:
self.web_browser.Navigate(window.real_url)
elif window.html:
self.web_browser.DocumentText = window.html
else:
self.web_browser.DocumentText = default_html
self.form = form
form.Controls.Add(self.web_browser)
def _create_mshtml_browser(self, url, js_api, debug):
self.web_browser = WebBrowserEx()
self.web_browser.Dock = WinForms.DockStyle.Fill
self.web_browser.ScriptErrorsSuppressed = not debug
self.web_browser.IsWebBrowserContextMenuEnabled = debug
self.web_browser.WebBrowserShortcutsEnabled = False
self.web_browser.DpiAware = True
self.web_browser.ScriptErrorsSuppressed = not debug
self.web_browser.IsWebBrowserContextMenuEnabled = debug
self.js_result_semaphore = Semaphore(0)
self.js_bridge = BrowserView.JSBridge()
if js_api:
self.js_bridge.api = js_api
self.js_bridge.parent_uid = self.uid
self.web_browser.ObjectForScripting = self.js_bridge
# HACK. Hiding the WebBrowser is needed in order to show a non-default background color. Tweaking the Visible property
# results in showing a non-responsive control, until it is loaded fully. To avoid this, we need to disable this behaviour
# for the default background color.
if self.background_color != '#FFFFFF':
self.web_browser.Visible = False
self.first_load = True
else:
self.first_load = False
self.cancel_back = False
self.web_browser.PreviewKeyDown += self.on_preview_keydown
self.web_browser.Navigating += self.on_navigating
self.web_browser.NewWindow3 += self.on_new_window
self.web_browser.DownloadComplete += self.on_download_complete
self.web_browser.DocumentCompleted += self.on_document_completed
if url:
self.web_browser.Navigate(url)
else:
self.web_browser.DocumentText = default_html
self.Controls.Add(self.web_browser)
class MSHTML:
class JSBridge(IWebBrowserInterop):
__namespace__ = 'MSHTML.JSBridge'
window = None
def call(self, func_name, param, value_id):
return js_bridge_call(self.window, func_name, json.loads(param),
value_id)
def alert(self, message):
BrowserView.alert(message)
def console(self, message):
print(message)
def __init__(self, form, window):
self.pywebview_window = window
self.web_browser = WebBrowserEx()
self.web_browser.Dock = WinForms.DockStyle.Fill
self.web_browser.ScriptErrorsSuppressed = not _debug
self.web_browser.IsWebBrowserContextMenuEnabled = _debug
self.web_browser.WebBrowserShortcutsEnabled = False
self.web_browser.DpiAware = True
user_agent = _user_agent or settings.get('user_agent')
if user_agent:
self.web_browser.ChangeUserAgent(user_agent)
self.web_browser.ScriptErrorsSuppressed = not _debug
self.web_browser.IsWebBrowserContextMenuEnabled = _debug
self.js_result_semaphore = Semaphore(0)
self.js_bridge = MSHTML.JSBridge()
self.js_bridge.window = window
self.web_browser.ObjectForScripting = self.js_bridge
# HACK. Hiding the WebBrowser is needed in order to show a non-default background color. Tweaking the Visible property
# results in showing a non-responsive control, until it is loaded fully. To avoid this, we need to disable this behaviour
# for the default background color.
if window.background_color != '#FFFFFF':
self.web_browser.Visible = False
self.first_load = True
else:
self.first_load = False
self.cancel_back = False
self.web_browser.PreviewKeyDown += self.on_preview_keydown
self.web_browser.Navigating += self.on_navigating
self.web_browser.NewWindow3 += self.on_new_window
self.web_browser.DownloadComplete += self.on_download_complete
self.web_browser.DocumentCompleted += self.on_document_completed
if window.real_url:
self.web_browser.Navigate(window.real_url)
elif window.html:
self.web_browser.DocumentText = window.html
else:
self.web_browser.DocumentText = default_html
self.form = form
form.Controls.Add(self.web_browser)
def evaluate_js(self, script):
result = self.web_browser.Document.InvokeScript('eval', (script, ))
#self.js_result = None if result is None or result is 'null' else json.loads(result)
self.js_result = None if result is None or result == 'null' else json.loads(
result) ##
self.js_result_semaphore.release()
def load_html(self, content, base_uri):
self.web_browser.DocumentText = inject_base_uri(content, base_uri)
self.pywebview_window.loaded.clear()
def load_url(self, url):
self.web_browser.Navigate(url)
def on_preview_keydown(self, sender, args):
if args.KeyCode == WinForms.Keys.Back:
self.cancel_back = True
elif args.KeyCode == WinForms.Keys.Delete:
self.web_browser.Document.ExecCommand('Delete', False, None)
elif args.Modifiers == WinForms.Keys.Control and args.KeyCode == WinForms.Keys.C:
self.web_browser.Document.ExecCommand('Copy', False, None)
elif args.Modifiers == WinForms.Keys.Control and args.KeyCode == WinForms.Keys.X:
self.web_browser.Document.ExecCommand('Cut', False, None)
elif args.Modifiers == WinForms.Keys.Control and args.KeyCode == WinForms.Keys.V:
self.web_browser.Document.ExecCommand('Paste', False, None)
elif args.Modifiers == WinForms.Keys.Control and args.KeyCode == WinForms.Keys.Z:
self.web_browser.Document.ExecCommand('Undo', False, None)
elif args.Modifiers == WinForms.Keys.Control and args.KeyCode == WinForms.Keys.A:
self.web_browser.Document.ExecCommand('selectAll', False, None)
def on_new_window(self, sender, args):
args.Cancel = True
webbrowser.open(args.Url)
def on_download_complete(self, sender, args):
pass
def on_navigating(self, sender, args):
if self.cancel_back:
args.Cancel = True
self.cancel_back = False
def on_document_completed(self, sender, args):
document = self.web_browser.Document
document.InvokeScript('eval', (alert.src, ))
if _debug:
document.InvokeScript('eval', (
'window.console = { log: function(msg) { window.external.console(JSON.stringify(msg)) }}',
))
if self.first_load:
self.web_browser.Visible = True
self.first_load = False
self.url = None if args.Url.AbsoluteUri == 'about:blank' else str(
args.Url.AbsoluteUri)
document.InvokeScript(
'eval', (parse_api_js(self.pywebview_window, 'mshtml'), ))
if not self.pywebview_window.text_select:
document.InvokeScript('eval', (disable_text_select, ))
self.pywebview_window.loaded.set()
if self.pywebview_window.easy_drag:
document.MouseMove += self.on_mouse_move
def on_mouse_move(self, sender, e):
if e.MouseButtonsPressed == WinForms.MouseButtons.Left:
WebBrowserEx.ReleaseCapture()
windll.user32.SendMessageW(self.form.Handle.ToInt32(),
WebBrowserEx.WM_NCLBUTTONDOWN,
WebBrowserEx.HT_CAPTION, 6)
def on_mouse_move(self, sender, e):
if e.MouseButtonsPressed == WinForms.MouseButtons.Left:
WebBrowserEx.ReleaseCapture()
windll.user32.SendMessageW(self.form.Handle.ToInt32(),
WebBrowserEx.WM_NCLBUTTONDOWN,
WebBrowserEx.HT_CAPTION, 6)
def __init__(self, uid, title, url, width, height, resizable,
fullscreen, min_size, confirm_quit, background_color,
debug, js_api, text_select, webview_ready):
self.uid = uid
self.Text = title
self.ClientSize = Size(width, height)
self.MinimumSize = Size(min_size[0], min_size[1])
self.BackColor = ColorTranslator.FromHtml(background_color)
self.AutoScaleDimensions = SizeF(96.0, 96.0)
self.AutoScaleMode = WinForms.AutoScaleMode.Dpi
if not resizable:
self.FormBorderStyle = WinForms.FormBorderStyle.FixedSingle
self.MaximizeBox = False
# Application icon
handle = windll.kernel32.GetModuleHandleW(None)
icon_handle = windll.shell32.ExtractIconW(handle, sys.executable,
0)
if icon_handle != 0:
self.Icon = Icon.FromHandle(
IntPtr.op_Explicit(Int32(icon_handle))).Clone()
windll.user32.DestroyIcon(icon_handle)
self.webview_ready = webview_ready
self.load_event = Event()
self.web_browser = WebBrowserEx()
self.web_browser.Dock = WinForms.DockStyle.Fill
self.web_browser.ScriptErrorsSuppressed = not debug
self.web_browser.IsWebBrowserContextMenuEnabled = debug
self.web_browser.WebBrowserShortcutsEnabled = False
self.web_browser.DpiAware = True
self.web_browser.ScriptErrorsSuppressed = not debug
self.web_browser.IsWebBrowserContextMenuEnabled = debug
self.js_result_semaphore = Semaphore(0)
self.js_bridge = BrowserView.JSBridge()
self.js_bridge.parent_uid = uid
self.web_browser.ObjectForScripting = self.js_bridge
self.text_select = text_select
if js_api:
self.js_bridge.api = js_api
# HACK. Hiding the WebBrowser is needed in order to show a non-default background color. Tweaking the Visible property
# results in showing a non-responsive control, until it is loaded fully. To avoid this, we need to disable this behaviour
# for the default background color.
if background_color != '#FFFFFF':
self.web_browser.Visible = False
self.first_load = True
else:
self.first_load = False
self.cancel_back = False
self.web_browser.PreviewKeyDown += self.on_preview_keydown
self.web_browser.Navigating += self.on_navigating
self.web_browser.NewWindow3 += self.on_new_window
self.web_browser.DownloadComplete += self.on_download_complete
self.web_browser.DocumentCompleted += self.on_document_completed
if url:
self.web_browser.Navigate(url)
else:
self.web_browser.DocumentText = default_html
self.url = url
self.Controls.Add(self.web_browser)
self.is_fullscreen = False
self.Shown += self.on_shown
self.FormClosed += self.on_close
if confirm_quit:
self.FormClosing += self.on_closing
if fullscreen:
self.toggle_fullscreen()
class BrowserForm(WinForms.Form):
def __init__(self, uid, title, url, width, height, resizable,
fullscreen, min_size, confirm_quit, background_color,
debug, js_api, text_select, webview_ready):
self.uid = uid
self.Text = title
self.ClientSize = Size(width, height)
self.MinimumSize = Size(min_size[0], min_size[1])
self.BackColor = ColorTranslator.FromHtml(background_color)
self.AutoScaleDimensions = SizeF(96.0, 96.0)
self.AutoScaleMode = WinForms.AutoScaleMode.Dpi
if not resizable:
self.FormBorderStyle = WinForms.FormBorderStyle.FixedSingle
self.MaximizeBox = False
# Application icon
handle = windll.kernel32.GetModuleHandleW(None)
icon_handle = windll.shell32.ExtractIconW(handle, sys.executable,
0)
if icon_handle != 0:
self.Icon = Icon.FromHandle(
IntPtr.op_Explicit(Int32(icon_handle))).Clone()
windll.user32.DestroyIcon(icon_handle)
self.webview_ready = webview_ready
self.load_event = Event()
self.web_browser = WebBrowserEx()
self.web_browser.Dock = WinForms.DockStyle.Fill
self.web_browser.ScriptErrorsSuppressed = not debug
self.web_browser.IsWebBrowserContextMenuEnabled = debug
self.web_browser.WebBrowserShortcutsEnabled = False
self.web_browser.DpiAware = True
self.web_browser.ScriptErrorsSuppressed = not debug
self.web_browser.IsWebBrowserContextMenuEnabled = debug
self.js_result_semaphore = Semaphore(0)
self.js_bridge = BrowserView.JSBridge()
self.js_bridge.parent_uid = uid
self.web_browser.ObjectForScripting = self.js_bridge
self.text_select = text_select
if js_api:
self.js_bridge.api = js_api
# HACK. Hiding the WebBrowser is needed in order to show a non-default background color. Tweaking the Visible property
# results in showing a non-responsive control, until it is loaded fully. To avoid this, we need to disable this behaviour
# for the default background color.
if background_color != '#FFFFFF':
self.web_browser.Visible = False
self.first_load = True
else:
self.first_load = False
self.cancel_back = False
self.web_browser.PreviewKeyDown += self.on_preview_keydown
self.web_browser.Navigating += self.on_navigating
self.web_browser.NewWindow3 += self.on_new_window
self.web_browser.DownloadComplete += self.on_download_complete
self.web_browser.DocumentCompleted += self.on_document_completed
if url:
self.web_browser.Navigate(url)
else:
self.web_browser.DocumentText = default_html
self.url = url
self.Controls.Add(self.web_browser)
self.is_fullscreen = False
self.Shown += self.on_shown
self.FormClosed += self.on_close
if confirm_quit:
self.FormClosing += self.on_closing
if fullscreen:
self.toggle_fullscreen()
def _initialize_js(self):
self.web_browser.Document.InvokeScript('eval', (alert.src, ))
def on_shown(self, sender, args):
self.webview_ready.set()
def on_close(self, sender, args):
del BrowserView.instances[self.uid]
if len(BrowserView.instances) == 0:
WinForms.Application.Exit()
def on_closing(self, sender, args):
result = WinForms.MessageBox.Show(
localization['global.quitConfirmation'], self.Text,
WinForms.MessageBoxButtons.OKCancel,
WinForms.MessageBoxIcon.Asterisk)
if result == WinForms.DialogResult.Cancel:
args.Cancel = True
def on_preview_keydown(self, sender, args):
if args.KeyCode == WinForms.Keys.Back:
self.cancel_back = True
elif args.KeyCode == WinForms.Keys.Delete:
self.web_browser.Document.ExecCommand('Delete', False, None)
elif args.Modifiers == WinForms.Keys.Control and args.KeyCode == WinForms.Keys.C:
self.web_browser.Document.ExecCommand('Copy', False, None)
elif args.Modifiers == WinForms.Keys.Control and args.KeyCode == WinForms.Keys.X:
self.web_browser.Document.ExecCommand('Cut', False, None)
elif args.Modifiers == WinForms.Keys.Control and args.KeyCode == WinForms.Keys.V:
self.web_browser.Document.ExecCommand('Paste', False, None)
elif args.Modifiers == WinForms.Keys.Control and args.KeyCode == WinForms.Keys.Z:
self.web_browser.Document.ExecCommand('Undo', False, None)
elif args.Modifiers == WinForms.Keys.Control and args.KeyCode == WinForms.Keys.A:
self.web_browser.Document.ExecCommand('selectAll', False, None)
def on_new_window(self, sender, args):
args.Cancel = True
webbrowser.open(args.Url)
def on_download_complete(self, sender, args):
document = self.web_browser.Document
if self.js_bridge.api:
document.InvokeScript('eval',
(parse_api_js(self.js_bridge.api), ))
if not self.text_select:
document.InvokeScript('eval', (disable_text_select, ))
def on_navigating(self, sender, args):
if self.cancel_back:
args.Cancel = True
self.cancel_back = False
def on_document_completed(self, sender, args):
self._initialize_js()
if self.first_load:
self.web_browser.Visible = True
self.first_load = False
self.load_event.set()
def toggle_fullscreen(self):
screen = WinForms.Screen.FromControl(self)
if not self.is_fullscreen:
self.old_size = self.Size
self.old_state = self.WindowState
self.old_style = self.FormBorderStyle
self.old_location = self.Location
self.TopMost = True
self.FormBorderStyle = 0 # FormBorderStyle.None
self.Bounds = WinForms.Screen.PrimaryScreen.Bounds
self.WindowState = WinForms.FormWindowState.Maximized
self.is_fullscreen = True
windll.user32.SetWindowPos(self.Handle.ToInt32(), None,
screen.Bounds.X, screen.Bounds.Y,
screen.Bounds.Width,
screen.Bounds.Height, 64)
else:
self.TopMost = False
self.Size = self.old_size
self.WindowState = self.old_state
self.FormBorderStyle = self.old_style
self.Location = self.old_location
self.is_fullscreen = False
def set_window_size(self, width, height):
windll.user32.SetWindowPos(self.Handle.ToInt32(), None,
self.Location.X, self.Location.Y, width,
height, 64)
def on_mouse_move(self, sender, e):
if e.MouseButtonsPressed == WinForms.MouseButtons.Left:
WebBrowserEx.ReleaseCapture()
WebBrowserEx.SendMessage(self.Handle,
WebBrowserEx.WM_NCLBUTTONDOWN,
WebBrowserEx.HT_CAPTION, 0)
