cefpython/src/window_utils_win.pyx at cefpython52 · 2php/cefpython · GitHub

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# License: New BSD License.

# Website: http://code.google.com/p/cefpython/

include "cefpython.pyx"

class WindowUtils:

@staticmethod

def OnSetFocus(int windowHandle, long msg, long wparam, long lparam):

cdef PyBrowser pyBrowser = GetBrowserByWindowHandle(windowHandle)

if not pyBrowser:

return 0

pyBrowser.SetFocus(True)

return 0

@staticmethod

def OnSize(int windowHandle, long msg, long wparam, long lparam):

cdef PyBrowser pyBrowser = GetBrowserByWindowHandle(windowHandle)

if not pyBrowser:

return DefWindowProc(<HWND>windowHandle, msg, wparam, lparam)

cdef HWND innerHwnd = <HWND>pyBrowser.GetWindowHandle()

cdef RECT rect2

GetClientRect(<HWND>windowHandle, &rect2)

cdef HDWP hdwp = BeginDeferWindowPos(1)

hdwp = DeferWindowPos(hdwp, innerHwnd, NULL,

rect2.left, rect2.top,

rect2.right - rect2.left,

rect2.bottom - rect2.top,

SWP_NOZORDER)

EndDeferWindowPos(hdwp)

return DefWindowProc(<HWND>windowHandle, msg, wparam, lparam)

@staticmethod

def OnEraseBackground(int windowHandle, long msg, long wparam,

long lparam):

cdef PyBrowser pyBrowser = GetBrowserByWindowHandle(windowHandle)

if not pyBrowser:

return DefWindowProc(<HWND>windowHandle, msg, wparam, lparam)

# Dont erase the background if the browser window has been loaded,

# this avoids flashing.

if pyBrowser.GetWindowHandle():

return 0

return DefWindowProc(<HWND>windowHandle, msg, wparam, lparam)

@staticmethod

def SetTitle(PyBrowser pyBrowser, str pyTitle):

# Each browser window should have a title (Issue 3).

# When popup is created, the window that sits in taskbar

# has no title.

if not pyTitle:

return

cdef WindowHandle windowHandle

if pyBrowser.GetUserData("__outerWindowHandle"):

windowHandle = <int>pyBrowser.GetUserData("__outerWindowHandle")

else:

windowHandle = pyBrowser.GetWindowHandle()

assert windowHandle, (

"WindowUtils.SetTitle() failed: windowHandle is empty")

# Get window title.

cdef int sizeOfTitle = 100

cdef wchar_t* widecharTitle = (

<wchar_t*>calloc(sizeOfTitle, wchar_t_size))

GetWindowTextW(<HWND>windowHandle, widecharTitle, sizeOfTitle)

cdef str currentTitle = WidecharToPyString(widecharTitle)

free(widecharTitle)

# Must keep alive while c_str() is passed.

cdef CefString cefTitle

PyToCefString(pyTitle, cefTitle)

if pyBrowser.GetUserData("__outerWindowHandle"):

if not currentTitle:

SetWindowTextW(<HWND>windowHandle, cefTitle.ToWString().c_str())

else:

# For independent popups we always change title to what page

# is displayed currently.

SetWindowTextW(<HWND>windowHandle, cefTitle.ToWString().c_str())

@staticmethod

def SetIcon(PyBrowser pyBrowser, py_string icon="inherit"):

# `icon` parameter is not implemented.

# Popup window inherits icon from the main window.

if pyBrowser.GetUserData("__outerWindowHandle"):

return None

windowHandle = pyBrowser.GetWindowHandle()

assert windowHandle, (

"WindowUtils.SetIcon() failed: windowHandle is empty")

iconBig = SendMessage(

<HWND>windowHandle, WM_GETICON, ICON_BIG, 0)

iconSmall = SendMessage(

<HWND>windowHandle, WM_GETICON, ICON_SMALL, 0)

cdef int parentWindowHandle

if not iconBig and not iconSmall:

parentWindowHandle = pyBrowser.GetOpenerWindowHandle()

parentIconBig = SendMessage(

<HWND>parentWindowHandle, WM_GETICON, ICON_BIG, 0)

parentIconSmall = SendMessage(

<HWND>parentWindowHandle, WM_GETICON, ICON_SMALL, 0)

# If parent is main application window, then

# GetOpenerWindowHandle() returned innerWindowHandle

# of the parent window, try again.

if not parentIconBig and not parentIconSmall:

parentWindowHandle = <int>GetParent(<HWND>parentWindowHandle)

Debug("WindowUtils.SetIcon(): popup inherits icon from "

"parent window: %s" % parentWindowHandle)

parentIconBig = SendMessage(

<HWND>parentWindowHandle, WM_GETICON, ICON_BIG, 0)

parentIconSmall = SendMessage(

<HWND>parentWindowHandle, WM_GETICON, ICON_SMALL, 0)

if parentIconBig:

SendMessage(<HWND>windowHandle, WM_SETICON,

ICON_BIG, parentIconBig)

if parentIconSmall:

SendMessage(<HWND>windowHandle, WM_SETICON,

ICON_SMALL, parentIconSmall)

@staticmethod

def GetParentHandle(int windowHandle):

return <int>GetParent(<HWND>windowHandle)

@staticmethod

def IsWindowHandle(int windowHandle):

IF UNAME_SYSNAME == "Windows":

return bool(IsWindow(<HWND>windowHandle))

ELSE:

return False

cefpython/src/window_utils_win.pyx at cefpython52 · 2php/cefpython · GitHub

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