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Current Path : C:/opt/pgsql/pgAdmin 4/python/Lib/site-packages/win32/Demos/
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Current File : C:/opt/pgsql/pgAdmin 4/python/Lib/site-packages/win32/Demos/win32console_demo.py

import time

import win32con
import win32console

virtual_keys = {}
for k, v in list(win32con.__dict__.items()):
    if k.startswith("VK_"):
        virtual_keys[v] = k

free_console = True
try:
    win32console.AllocConsole()
except win32console.error as exc:
    if exc.winerror != 5:
        raise
    ## only free console if one was created successfully
    free_console = False

stdout = win32console.GetStdHandle(win32console.STD_OUTPUT_HANDLE)
stdin = win32console.GetStdHandle(win32console.STD_INPUT_HANDLE)
newbuffer = win32console.CreateConsoleScreenBuffer()
newbuffer.SetConsoleActiveScreenBuffer()
newbuffer.SetConsoleTextAttribute(
    win32console.FOREGROUND_RED
    | win32console.FOREGROUND_INTENSITY
    | win32console.BACKGROUND_GREEN
    | win32console.BACKGROUND_INTENSITY
)
newbuffer.WriteConsole("This is a new screen buffer\n")

## test setting screen buffer and window size
## screen buffer size cannot be smaller than window size
window_size = newbuffer.GetConsoleScreenBufferInfo()["Window"]
coord = win32console.PyCOORDType(X=window_size.Right + 20, Y=window_size.Bottom + 20)
newbuffer.SetConsoleScreenBufferSize(coord)

window_size.Right += 10
window_size.Bottom += 10
newbuffer.SetConsoleWindowInfo(Absolute=True, ConsoleWindow=window_size)

## write some records to the input queue
x = win32console.PyINPUT_RECORDType(win32console.KEY_EVENT)
x.Char = "X"
x.KeyDown = True
x.RepeatCount = 1
x.VirtualKeyCode = 0x58
x.ControlKeyState = win32con.SHIFT_PRESSED

z = win32console.PyINPUT_RECORDType(win32console.KEY_EVENT)
z.Char = "Z"
z.KeyDown = True
z.RepeatCount = 1
z.VirtualKeyCode = 0x5A
z.ControlKeyState = win32con.SHIFT_PRESSED

stdin.WriteConsoleInput([x, z, x])

newbuffer.SetConsoleTextAttribute(
    win32console.FOREGROUND_RED
    | win32console.FOREGROUND_INTENSITY
    | win32console.BACKGROUND_GREEN
    | win32console.BACKGROUND_INTENSITY
)
newbuffer.WriteConsole("Press some keys, click some characters with the mouse\n")

newbuffer.SetConsoleTextAttribute(
    win32console.FOREGROUND_BLUE
    | win32console.FOREGROUND_INTENSITY
    | win32console.BACKGROUND_RED
    | win32console.BACKGROUND_INTENSITY
)
newbuffer.WriteConsole('Hit "End" key to quit\n')

breakout = False
while not breakout:
    input_records = stdin.ReadConsoleInput(10)
    for input_record in input_records:
        if input_record.EventType == win32console.KEY_EVENT:
            if input_record.KeyDown:
                if input_record.Char == "\0":
                    newbuffer.WriteConsole(
                        virtual_keys.get(
                            input_record.VirtualKeyCode,
                            "VirtualKeyCode: %s" % input_record.VirtualKeyCode,
                        )
                    )
                else:
                    newbuffer.WriteConsole(input_record.Char)
                if input_record.VirtualKeyCode == win32con.VK_END:
                    breakout = True
                    break
        elif input_record.EventType == win32console.MOUSE_EVENT:
            if input_record.EventFlags == 0:  ## 0 indicates a button event
                if input_record.ButtonState != 0:  ## exclude button releases
                    pos = input_record.MousePosition
                    # switch the foreground and background colors of the character that was clicked
                    attr = newbuffer.ReadConsoleOutputAttribute(
                        Length=1, ReadCoord=pos
                    )[0]
                    new_attr = attr
                    if attr & win32console.FOREGROUND_BLUE:
                        new_attr = (
                            new_attr & ~win32console.FOREGROUND_BLUE
                        ) | win32console.BACKGROUND_BLUE
                    if attr & win32console.FOREGROUND_RED:
                        new_attr = (
                            new_attr & ~win32console.FOREGROUND_RED
                        ) | win32console.BACKGROUND_RED
                    if attr & win32console.FOREGROUND_GREEN:
                        new_attr = (
                            new_attr & ~win32console.FOREGROUND_GREEN
                        ) | win32console.BACKGROUND_GREEN

                    if attr & win32console.BACKGROUND_BLUE:
                        new_attr = (
                            new_attr & ~win32console.BACKGROUND_BLUE
                        ) | win32console.FOREGROUND_BLUE
                    if attr & win32console.BACKGROUND_RED:
                        new_attr = (
                            new_attr & ~win32console.BACKGROUND_RED
                        ) | win32console.FOREGROUND_RED
                    if attr & win32console.BACKGROUND_GREEN:
                        new_attr = (
                            new_attr & ~win32console.BACKGROUND_GREEN
                        ) | win32console.FOREGROUND_GREEN
                    newbuffer.WriteConsoleOutputAttribute((new_attr,), pos)
        else:
            newbuffer.WriteConsole(str(input_record))
    time.sleep(0.1)

stdout.SetConsoleActiveScreenBuffer()
newbuffer.Close()
if free_console:
    win32console.FreeConsole()