windll et la console
********************

exemple pour redimensionner une console windows

.. code-block:: python

	def console_resize(width=80, height=24, buffer_height=600):
	    '''Sets up the console size and buffer height.

	    <at> param width {int} Width of console in column value.
	    <at> param height {int} Height of console in row value.
	    <at> param buffer_height {int} Buffer console height in row value.
	    '''
	    from ctypes import windll, byref, create_string_buffer
	    from ctypes.wintypes import SMALL_RECT, _COORD
	    # Active console screen buffer
	    # STD_OUTPUT_HANDLE -> -11, STD_ERROR_HANDLE -> -12)
	    STDERR = -12
	    # SMALL_RECT input
	    LEFT = 0
	    TOP = 0
	    RIGHT = width - 1
	    BOTTOM = height - 1
	    # handle
	    hdl = windll.kernel32.GetStdHandle(STDERR)
	    csbi = create_string_buffer(22)

	    res = windll.kernel32.GetConsoleScreenBufferInfo(hdl, csbi)

	    if res:
	        import struct
	        (bufx, bufy, curx, cury, wattr,
	         left, top, right, bottom,
	         maxx, maxy) = struct.unpack("hhhhHhhhhhh", csbi.raw)

	    current_width = right - left + 1
	    current_height = bottom - top + 1
	    current_buffer_height = bufy

	    if buffer_height < height:
	        buffer_height = height
	    # order of resizing avoiding some problems
	    if current_buffer_height > buffer_height:
	        rect = SMALL_RECT(LEFT, TOP, RIGHT, BOTTOM)  # (left, top, right, bottom)
	        windll.kernel32.SetConsoleWindowInfo(hdl, True, byref(rect))

	        bufsize = _COORD(width, buffer_height)  # columns, rows
	        windll.kernel32.SetConsoleScreenBufferSize(hdl, bufsize)
	    else:
	        bufsize = _COORD(width, buffer_height)  # columns, rows
	        windll.kernel32.SetConsoleScreenBufferSize(hdl, bufsize)

	        rect = SMALL_RECT(LEFT, TOP, RIGHT, BOTTOM)  # (left, top, right, bottom)
	        windll.kernel32.SetConsoleWindowInfo(hdl, True, byref(rect))

	console_resize()


Pour connaitre la taille d'un terminal

.. code-block:: python


Pour déplacer une fenêtre

.. code-block:: python

    import sys
    from ctypes import windll, byref, create_string_buffer, c_wchar_p, c_long, Structure, byref
    from ctypes.wintypes import SMALL_RECT, _COORD
    from optparse import OptionParser
    
    # winuser.h line 3232
    SWP_NOSIZE = 1
    SWP_NOMOVE = 2
    SWP_NOZORDER = 4
    SWP_NOREDRAW = 8
    SWP_NOACTIVATE = 16
    SWP_FRAMECHANGED = 32
    SWP_SHOWWINDOW = 64
    SWP_HIDEWINDOW = 128
    SWP_NOCOPYBITS = 256
    SWP_NOOWNERZORDER = 512
    SWP_NOSENDCHANGING = 1024
    SWP_DRAWFRAME = SWP_FRAMECHANGED
    SWP_NOREPOSITION = SWP_NOOWNERZORDER
    SWP_DEFERERASE = 8192
    SWP_ASYNCWINDOWPOS = 16384
    
    class RECT(Structure):
        _fields_ = [
            ('left', c_long),
            ('top', c_long),
            ('right', c_long),
            ('bottom', c_long)
        ]

    
    def top_most(title, e, x=0, y=0, cx=0, cy=0):
        h = windll.user32.FindWindowA(None, title)
        if h==0:
            return None
        if(e == True):
            windll.user32.SetWindowPos(h, -1,x,y,cx,cy,SWP_NOZORDER | SWP_NOSIZE | SWP_SHOWWINDOW)
        else:
            windll.user32.SetWindowPos(h, -2,x,y,cx,cy,SWP_NOZORDER | SWP_NOSIZE | SWP_SHOWWINDOW)
    
    top_most("NameOfWindows", False, x=0)

connaitre la taille et la position d'une fenêtre

.. code-block:: python

    from ctypes import windll, byref, create_string_buffer, c_wchar_p, c_long, Structure, byref
    from ctypes.wintypes import SMALL_RECT, _COORD
    from optparse import OptionParser
    
    class RECT(Structure):
        _fields_ = [
            ('left', c_long),
            ('top', c_long),
            ('right', c_long),
            ('bottom', c_long)
        ]
    
    def get_pos(title):
        h = windll.user32.FindWindowA(None, title)
        if h==0:
            return None
        former = RECT(0,0,0,0)
        windll.user32.GetWindowRect(h, byref(former))
        return former
    
    def get_size_screen():
        return windll.user32.GetSystemMetrics(0), windll.user32.GetSystemMetrics(1)
    
    screen_width, screen_height = get_size_screen()
    print get_pos("NameOfWindows").left
     
 
Pour faire disparaitre le cursor

.. code-block:: python

    import sys
    import os

    if os.name == 'nt':
        import msvcrt
        import ctypes

        class _CursorInfo(ctypes.Structure):
            _fields_ = [("size", ctypes.c_int),
                        ("visible", ctypes.c_byte)]

    def hide_cursor():
        if os.name == 'nt':
            ci = _CursorInfo()
            handle = ctypes.windll.kernel32.GetStdHandle(-11)
            ctypes.windll.kernel32.GetConsoleCursorInfo(handle, ctypes.byref(ci))
            ci.visible = False
            ctypes.windll.kernel32.SetConsoleCursorInfo(handle, ctypes.byref(ci))
        elif os.name == 'posix':
            sys.stdout.write("\033[?25l")
            sys.stdout.flush()

    def show_cursor():
        if os.name == 'nt':
            ci = _CursorInfo()
            handle = ctypes.windll.kernel32.GetStdHandle(-11)
            ctypes.windll.kernel32.GetConsoleCursorInfo(handle, ctypes.byref(ci))
            ci.visible = True
            ctypes.windll.kernel32.SetConsoleCursorInfo(handle, ctypes.byref(ci))
        elif os.name == 'posix':
            sys.stdout.write("\033[?25h")
            sys.stdout.flush()