python-backend/include/site/python3.7/pygame/scrap.h
2019-02-09 03:05:07 -06:00

144 lines
4.5 KiB
C

/*
pygame - Python Game Library
Copyright (C) 2006, 2007 Rene Dudfield, Marcus von Appen
Originally put in the public domain by Sam Lantinga.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* This is unconditionally defined in Python.h */
#if defined(_POSIX_C_SOURCE)
#undef _POSIX_C_SOURCE
#endif
#include <Python.h>
/* Handle clipboard text and data in arbitrary formats */
/**
* Predefined supported pygame scrap types.
*/
#define PYGAME_SCRAP_TEXT "text/plain"
#define PYGAME_SCRAP_BMP "image/bmp"
#define PYGAME_SCRAP_PPM "image/ppm"
#define PYGAME_SCRAP_PBM "image/pbm"
/**
* The supported scrap clipboard types.
*
* This is only relevant in a X11 environment, which supports mouse
* selections as well. For Win32 and MacOS environments the default
* clipboard is used, no matter what value is passed.
*/
typedef enum
{
SCRAP_CLIPBOARD,
SCRAP_SELECTION /* only supported in X11 environments. */
} ScrapClipType;
/**
* Macro for initialization checks.
*/
#define PYGAME_SCRAP_INIT_CHECK() \
if(!pygame_scrap_initialized()) \
return (PyErr_SetString (PyExc_SDLError, \
"scrap system not initialized."), NULL)
/**
* \brief Checks, whether the pygame scrap module was initialized.
*
* \return 1 if the modules was initialized, 0 otherwise.
*/
extern int
pygame_scrap_initialized (void);
/**
* \brief Initializes the pygame scrap module internals. Call this before any
* other method.
*
* \return 1 on successful initialization, 0 otherwise.
*/
extern int
pygame_scrap_init (void);
/**
* \brief Checks, whether the pygame window lost the clipboard focus or not.
*
* \return 1 if the window lost the focus, 0 otherwise.
*/
extern int
pygame_scrap_lost (void);
/**
* \brief Places content of a specific type into the clipboard.
*
* \note For X11 the following notes are important: The following types
* are reserved for internal usage and thus will throw an error on
* setting them: "TIMESTAMP", "TARGETS", "SDL_SELECTION".
* Setting PYGAME_SCRAP_TEXT ("text/plain") will also automatically
* set the X11 types "STRING" (XA_STRING), "TEXT" and "UTF8_STRING".
*
* For Win32 the following notes are important: Setting
* PYGAME_SCRAP_TEXT ("text/plain") will also automatically set
* the Win32 type "TEXT" (CF_TEXT).
*
* For QNX the following notes are important: Setting
* PYGAME_SCRAP_TEXT ("text/plain") will also automatically set
* the QNX type "TEXT" (Ph_CL_TEXT).
*
* \param type The type of the content.
* \param srclen The length of the content.
* \param src The NULL terminated content.
* \return 1, if the content could be successfully pasted into the clipboard,
* 0 otherwise.
*/
extern int
pygame_scrap_put (char *type, int srclen, char *src);
/**
* \brief Gets the current content from the clipboard.
*
* \note The received content does not need to be the content previously
* placed in the clipboard using pygame_put_scrap(). See the
* pygame_put_scrap() notes for more details.
*
* \param type The type of the content to receive.
* \param count The size of the returned content.
* \return The content or NULL in case of an error or if no content of the
* specified type was available.
*/
extern char*
pygame_scrap_get (char *type, unsigned long *count);
/**
* \brief Gets the currently available content types from the clipboard.
*
* \return The different available content types or NULL in case of an
* error or if no content type is available.
*/
extern char**
pygame_scrap_get_types (void);
/**
* \brief Checks whether content for the specified scrap type is currently
* available in the clipboard.
*
* \param type The type to check for.
* \return 1, if there is content and 0 otherwise.
*/
extern int
pygame_scrap_contains (char *type);