Mercurial > sdl-ios-xcode
view src/video/x11/SDL_x11clipboard.c @ 5088:c2539ff054c8
Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008
author | Sam Lantinga <slouken@libsdl.org> |
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date | Mon, 24 Jan 2011 15:46:11 -0800 |
parents | f18bc9935507 |
children | 58265e606e4e |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2010 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" #include <limits.h> /* For INT_MAX */ #include "SDL_events.h" #include "SDL_x11video.h" /* If you don't support UTF-8, you might use XA_STRING here */ #ifdef X_HAVE_UTF8_STRING #define TEXT_FORMAT XInternAtom(display, "UTF8_STRING", False) #else #define TEXT_FORMAT XA_STRING #endif /* Get any application owned window handle for clipboard association */ static Window GetWindow(_THIS) { SDL_VideoDisplay *display; SDL_Window *window; display = _this->displays; if (display) { window = display->windows; if (window) { return ((SDL_WindowData *) window->driverdata)->xwindow; } } return None; } int X11_SetClipboardText(_THIS, const char *text) { Display *display = ((SDL_VideoData *) _this->driverdata)->display; Atom format; Window window; /* Get the SDL window that will own the selection */ window = GetWindow(_this); if (window == None) { SDL_SetError("Couldn't find a window to own the selection"); return -1; } /* Save the selection on the root window */ format = TEXT_FORMAT; XChangeProperty(display, DefaultRootWindow(display), XA_CUT_BUFFER0, format, 8, PropModeReplace, (const unsigned char *)text, SDL_strlen(text)); if (XGetSelectionOwner(display, XA_PRIMARY) != window) { XSetSelectionOwner(display, XA_PRIMARY, window, CurrentTime); } return 0; } char * X11_GetClipboardText(_THIS) { SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata; Display *display = videodata->display; Atom format; Window window; Window owner; Atom selection; Atom seln_type; int seln_format; unsigned long nbytes; unsigned long overflow; unsigned char *src; char *text; text = NULL; /* Get the window that holds the selection */ window = GetWindow(_this); format = TEXT_FORMAT; owner = XGetSelectionOwner(display, XA_PRIMARY); if ((owner == None) || (owner == window)) { owner = DefaultRootWindow(display); selection = XA_CUT_BUFFER0; } else { /* Request that the selection owner copy the data to our window */ owner = window; selection = XInternAtom(display, "SDL_SELECTION", False); XConvertSelection(display, XA_PRIMARY, format, selection, owner, CurrentTime); /* FIXME: Should we have a timeout here? */ videodata->selection_waiting = SDL_TRUE; while (videodata->selection_waiting) { SDL_PumpEvents(); } } if (XGetWindowProperty(display, owner, selection, 0, INT_MAX/4, False, format, &seln_type, &seln_format, &nbytes, &overflow, &src) == Success) { if (seln_type == format) { text = (char *)SDL_malloc(nbytes+1); if (text) { SDL_memcpy(text, src, nbytes); text[nbytes] = '\0'; } } XFree(src); } if (!text) { text = SDL_strdup(""); } return text; } SDL_bool X11_HasClipboardText(_THIS) { /* Not an easy way to tell with X11, as far as I know... */ char *text; SDL_bool retval; text = X11_GetClipboardText(_this); if (*text) { retval = SDL_TRUE; } else { retval = SDL_FALSE; } SDL_free(text); return retval; } /* vi: set ts=4 sw=4 expandtab: */