def setup_console(self):
"""Initializes the screen frame buffer.
Swaps the current screen buffer with a
brand new created back buffer where the
characters can be written to the flicker-free
rectangular region.
"""
self._console = get_std_handle(STD_OUTPUT_HANDLE)
# could not get the standard
# console handle, raise an exception
if self._console == INVALID_HANDLE_VALUE:
raise TermInitializationError()
buffer_info = CONSOLE_SCREEN_BUFFER_INFO()
get_console_screen_buffer_info(self._console, byref(buffer_info))
get_console_cursor_info(self._console, byref(self._cursor_info))
self._cursor_info.visible = False
self._cols = buffer_info.size.x
self._rows = buffer_info.size.y
self._size = COORD(self._cols, self._rows)
self._rect = SMALL_RECT(0, 0, self._cols - 1, self._rows - 1)
self._char_buffer = (CHAR_INFO * (self._size.x * self._size.y))()
self._framebuffer = create_console_screen_buffer(
GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,
None, CONSOLE_TEXTMODE_BUFFER, None)
if self._framebuffer == INVALID_HANDLE_VALUE:
raise TermInitializationError()
# hide the cursor and swap
# the console active screen buffer
set_console_cursor_info(self._framebuffer, byref(self._cursor_info))
set_console_active_screen_buffer(self._framebuffer)
def setup_console(self):
"""Initializes the screen frame buffer.
Swaps the current screen buffer with a
brand new created back buffer where the
characters can be written to the flicker-free
rectangular region.
"""
self._console = get_std_handle(STD_OUTPUT_HANDLE)
# could not get the standard
# console handle, raise an exception
if self._console == INVALID_HANDLE_VALUE:
raise TermInitializationError()
buffer_info = CONSOLE_SCREEN_BUFFER_INFO()
get_console_screen_buffer_info(self._console, byref(buffer_info))
get_console_cursor_info(self._console, byref(self._cursor_info))
self._cursor_info.visible = False
self._cols = buffer_info.size.x
self._rows = buffer_info.size.y
self._size = COORD(self._cols, self._rows)
self._rect = SMALL_RECT(0, 0, self._cols - 1, self._rows - 1)
self._char_buffer = (CHAR_INFO * (self._size.x * self._size.y))()
self._framebuffer = create_console_screen_buffer(GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
None,
CONSOLE_TEXTMODE_BUFFER,
None)
if self._framebuffer == INVALID_HANDLE_VALUE:
raise TermInitializationError()
# hide the cursor and swap
# the console active screen buffer
set_console_cursor_info(self._framebuffer, byref(self._cursor_info))
set_console_active_screen_buffer(self._framebuffer)
def _show_cursor(self, visible=True):
self.cursor_info.visible = visible
set_console_cursor_info(self.console_handle, byref(self.cursor_info))
def _show_cursor(self, visible=True):
self.cursor_info.visible = visible
set_console_cursor_info(self.console_handle, byref(self.cursor_info))
def restore_console(self):
if self._console:
set_console_active_screen_buffer(self._console)
self._cursor_info.visible = True
self._term_ready = False
set_console_cursor_info(self._console, byref(self._cursor_info))
def restore_console(self):
if self._console:
set_console_active_screen_buffer(self._console)
self._cursor_info.visible = True
set_console_cursor_info(self._console, byref(self._cursor_info))