Allow fixing window position to any side

webview/__init__.py

@@ -191,4 +191,4 @@ def create_window(title, url=None, html=None, js_api=None, width=800, height=600
 def screens():
  guilib = initialize()
  screens = guilib.get_screens()
- return screens
+ return screens

webview/platforms/cef.py

@@ -17,6 +17,7 @@
 from webview.js import dom
 from webview import _debug, _user_agent
 from webview.util import parse_api_js, default_html, js_bridge_call
+from webview.window import FixPoint
 
 
 sys.excepthook = cef.ExceptHook
@@ -109,8 +110,25 @@ def initialize(self):
  def close(self):
  self.browser.CloseBrowser(True)
 
- def resize(self, width, height):
- windll.user32.SetWindowPos(self.inner_hwnd, 0, 0, 0, width - 16, height - 38,
+ def resize(self, width, height, fix_point):
+
+ # How much to move to the right
+ move_x = 0
+ # How much to move to the bottom
+ move_y = 0
+
+ rect = windll.?.RECT()
+ rect = windll.user32.GetWindowRect(self.inner_hwnd, rect)
+
+ if fix_point & FixPoint.EAST:
+ current_width = rect.right - rect.left
+ move_x = current_width - width
+
+ if fix_point & FixPoint.SOUTH:
+ current_height = rect.bottom - rect.top
+ move_y = current_height - height
+
+ windll.user32.SetWindowPos(self.inner_hwnd, 0, move_x, move_y, width - 16, height - 38,
  0x0002 | 0x0004 | 0x0010)
  self.browser.NotifyMoveOrResizeStarted()
 
@@ -288,9 +306,9 @@ def get_current_url(uid):
 
 
 @_cef_call
-def resize(width, height, uid):
+def resize(width, height, uid, fix_point):
  instance = instances[uid]
- instance.resize(width, height)
+ instance.resize(width, height, fix_point)
 
 
 @_cef_call

webview/platforms/cocoa.py

@@ -20,6 +20,7 @@
 from webview.util import parse_api_js, default_html, js_bridge_call
 from webview.js.css import disable_text_select
 from webview.screen import Screen
+from webview.window import FixPoint
 
 settings = {}
 
@@ -475,13 +476,17 @@ def toggle():
  AppHelper.callAfter(toggle)
  self.is_fullscreen = not self.is_fullscreen
 
- def resize(self, width, height):
+ def resize(self, width, height, fix_point):
  def _resize():
  frame = self.window.frame()
 
- # Keep the top left of the window in the same place
- frame.origin.y += frame.size.height
- frame.origin.y -= height
+ if fix_point & FixPoint.EAST:
+ # Keep the right of the window in the same place
+ frame.origin.x += frame.size.width - width
+
+ if fix_point & FixPoint.NORTH:
+ # Keep the top of the window in the same place
+ frame.origin.y += frame.size.height - height
 
  frame.size.width = width
  frame.size.height = height
@@ -838,8 +843,8 @@ def _set_on_top():
  AppHelper.callAfter(_set_on_top)
 
 
-def resize(width, height, uid):
- BrowserView.instances[uid].resize(width, height)
+def resize(width, height, uid, fix_point):
+ BrowserView.instances[uid].resize(width, height, fix_point)
 
 
 def minimize(uid):

webview/platforms/gtk.py

@@ -19,6 +19,7 @@
 from webview.util import parse_api_js, default_html, js_bridge_call
 from webview.js.css import disable_text_select
 from webview.screen import Screen
+from webview.window import FixPoint
 
 logger = logging.getLogger('pywebview')
 
@@ -286,7 +287,24 @@ def toggle_fullscreen(self):
 
  self.is_fullscreen = not self.is_fullscreen
 
- def resize(self, width, height):
+ def resize(self, width, height, fix_point):
+ if fix_point & FixPoint.NORTH and fix_point & FixPoint.WEST:
+ self.window.set_gravity(Gdk.Gravity.NORTH_WEST)
+ elif fix_point & FixPoint.NORTH and fix_point & FixPoint.EAST:
+ self.window.set_gravity(Gdk.Gravity.NORTH_EAST)
+ elif fix_point & FixPoint.SOUTH and fix_point & FixPoint.EAST:
+ self.window.set_gravity(Gdk.Gravity.SOUTH_EAST)
+ elif fix_point & FixPoint.SOUTH and fix_point & FixPoint.WEST:
+ self.window.set_gravity(Gdk.Gravity.SOUTH_WEST)
+ elif fix_point & FixPoint.SOUTH:
+ self.window.set_gravity(Gdk.Gravity.SOUTH)
+ elif fix_point & FixPoint.NORTH:
+ self.window.set_gravity(Gdk.Gravity.NORTH)
+ elif fix_point & FixPoint.WEST:
+ self.window.set_gravity(Gdk.Gravity.WEST)
+ elif fix_point & FixPoint.EAST:
+ self.window.set_gravity(Gdk.Gravity.EAST)
+
  self.window.resize(width, height)
 
  def move(self, x, y):
@@ -448,9 +466,9 @@ def _set_on_top():
  glib.idle_add(_set_on_top)
 
 
-def resize(width, height, uid):
+def resize(width, height, uid, fix_point):
  def _resize():
- BrowserView.instances[uid].resize(width,height)
+ BrowserView.instances[uid].resize(width, height, fix_point)
  glib.idle_add(_resize)
 
 

webview/platforms/qt.py

@@ -20,6 +20,7 @@
 from webview.util import convert_string, default_html, parse_api_js, js_bridge_call
 from webview.js.css import disable_text_select
 from webview.screen import Screen
+from webview.window import FixPoint
 
 
 logger = logging.getLogger('pywebview')
@@ -413,7 +414,18 @@ def on_fullscreen(self):
 
  self.is_fullscreen = not self.is_fullscreen
 
- def on_window_size(self, width, height):
+ def on_window_size(self, width, height, fix_point):
+ geo = self.geometry()
+
+ if fix_point & FixPoint.EAST:
+ # Keep the right of the window in the same place
+ geo.setX(geo.x() + geo.width() - width)
+
+ if fix_point & FixPoint.SOUTH:
+ # Keep the top of the window in the same place
+ geo.setY(geo.y() + geo.height() - height)
+
+ self.setGeometry(geo)
  self.setFixedSize(width, height)
 
  def on_window_move(self, x, y):
@@ -506,8 +518,8 @@ def destroy_(self):
  def toggle_fullscreen(self):
  self.fullscreen_trigger.emit()
 
- def resize_(self, width, height):
- self.window_size_trigger.emit(width, height)
+ def resize_(self, width, height, fix_point):
+ self.window_size_trigger.emit(width, height, fix_point)
 
  def move_window(self, x, y):
  self.window_move_trigger.emit(x, y)
@@ -672,8 +684,8 @@ def set_on_top(uid, top):
  BrowserView.instances[uid].set_on_top(top)
 
 
-def resize(width, height, uid):
- BrowserView.instances[uid].resize_(width, height)
+def resize(width, height, uid, fix_point):
+ BrowserView.instances[uid].resize_(width, height, fix_point)
 
 
 def move(x, y, uid):

webview/platforms/winforms.py

@@ -21,6 +21,7 @@
 from webview.util import parse_file_type, inject_base_uri
 from webview.js import alert
 from webview.screen import Screen
+from webview.window import FixPoint
 
 try:
  import _winreg as winreg # Python 2
@@ -334,9 +335,18 @@ def _set():
  else:
  _set()
 
- def resize(self, width, height):
- windll.user32.SetWindowPos(self.Handle.ToInt32(), None, self.Location.X, self.Location.Y,
- width, height, 64)
+ def resize(self, width, height, fix_point):
+
+ x = self.Location.X
+ y = self.Location.Y
+
+ if fix_point & FixPoint.EAST:
+ x = x + self.Width - width
+
+ if fix_point & FixPoint.SOUTH:
+ y = y + self.Height - height
+
+ windll.user32.SetWindowPos(self.Handle.ToInt32(), None, x, y, width, height, 64)
 
  def move(self, x, y):
  SWP_NOSIZE = 0x0001 # Retains the current size
@@ -588,9 +598,9 @@ def set_on_top(uid, on_top):
  window.on_top = on_top
 
 
-def resize(width, height, uid):
+def resize(width, height, uid, fix_point):
  window = BrowserView.instances[uid]
- window.resize(width, height)
+ window.resize(width, height, fix_point)
 
 
 def move(x, y, uid):

webview/window.py

@@ -1,6 +1,7 @@
 import inspect
 import logging
 import os
+from enum import Flag, auto
 from functools import wraps
 
 from webview.event import Event
@@ -44,6 +45,13 @@ def _loaded_call(function):
  return _api_call(function, 'loaded')
 
 
+class FixPoint(Flag):
+ NORTH = auto()
+ WEST = auto()
+ EAST = auto()
+ SOUTH = auto()
+
+
 class Window:
  def __init__(self, uid, title, url, html, width, height, x, y, resizable, fullscreen,
  min_size, hidden, frameless, easy_drag, minimized, on_top, confirm_close,
@@ -234,16 +242,20 @@ def set_window_size(self, width, height):
  :param height: desired height of target window
  """
  logger.warning('This function is deprecated and will be removed in future releases. Use resize() instead')
- self.gui.resize(width, height, self.uid)
+ self.resize(width, height)
 
  @_shown_call
- def resize(self, width, height):
+ def resize(self, width, height, fix_point=FixPoint.NORTH | FixPoint.WEST):
  """
  Resize window
  :param width: desired width of target window
  :param height: desired height of target window
+ :param fix_point: Fix window to specified point during resize.
+ Must be of type FixPoint. Different points can be combined
+ with bitwise operators.
+ Example: FixPoint.NORTH | FixPoint.WEST
  """
- self.gui.resize(width, height, self.uid)
+ self.gui.resize(width, height, self.uid, fix_point)
 
  @_shown_call
  def minimize(self):