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Added X11 clipboard support.
As far as I know there isn't any real way to tell when the clipboard contents have changed without polling them, so I didn't implement the clipboard update event on X11.
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- +152 −0 src/video/x11/SDL_x11clipboard.c
- +33 −0 src/video/x11/SDL_x11clipboard.h
- +52 −0 src/video/x11/SDL_x11events.c
- +7 −4 src/video/x11/SDL_x11sym.h
- +6 −0 src/video/x11/SDL_x11video.c
- +2 −0 src/video/x11/SDL_x11video.h
| @@ -0,0 +1,152 @@ | ||
| /* | ||
| 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" | ||
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| #include <limits.h> /* For INT_MAX */ | ||
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| #include "SDL_events.h" | ||
| #include "SDL_x11video.h" | ||
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| /* Get any application owned window handle for clipboard association */ | ||
| static Window | ||
| GetWindow(_THIS) | ||
| { | ||
| SDL_VideoDisplay *display; | ||
| SDL_Window *window; | ||
|
|
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| 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; | ||
|
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| /* 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; | ||
| } | ||
|
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| /* If you don't support UTF-8, you might use XA_STRING here */ | ||
| format = XInternAtom(display, "UTF8_STRING", False); | ||
| XChangeProperty(display, DefaultRootWindow(display), | ||
| XA_CUT_BUFFER0, format, 8, PropModeReplace, | ||
| (const unsigned char *)text, SDL_strlen(text)); | ||
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| if (XGetSelectionOwner(display, XA_PRIMARY) != window) { | ||
| XSetSelectionOwner(display, XA_PRIMARY, window, CurrentTime); | ||
| } | ||
| return 0; | ||
| } | ||
|
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| 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; | ||
|
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| text = NULL; | ||
|
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| /* Get the SDL window that will own the selection */ | ||
| window = GetWindow(_this); | ||
|
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| /* If you don't support UTF-8, you might use XA_STRING here */ | ||
| format = XInternAtom(display, "UTF8_STRING", False); | ||
|
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| 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); | ||
|
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| /* FIXME: Should we have a timeout here? */ | ||
| videodata->selection_waiting = SDL_TRUE; | ||
| while (videodata->selection_waiting) { | ||
| SDL_PumpEvents(); | ||
| } | ||
| } | ||
|
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| 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); | ||
| } | ||
|
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| if (!text) { | ||
| text = SDL_strdup(""); | ||
| } | ||
| return text; | ||
| } | ||
|
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| SDL_bool | ||
| X11_HasClipboardText(_THIS) | ||
| { | ||
| /* Not an easy way to tell with X11, as far as I know... */ | ||
| char *text; | ||
| SDL_bool retval; | ||
|
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| text = X11_GetClipboardText(_this); | ||
| if (*text) { | ||
| retval = SDL_TRUE; | ||
| } else { | ||
| retval = SDL_FALSE; | ||
| } | ||
| SDL_free(text); | ||
|
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| return retval; | ||
| } | ||
|
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| /* vi: set ts=4 sw=4 expandtab: */ |
| @@ -0,0 +1,33 @@ | ||
| /* | ||
| 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" | ||
|
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| #ifndef _SDL_x11clipboard_h | ||
| #define _SDL_x11clipboard_h | ||
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| extern int X11_SetClipboardText(_THIS, const char *text); | ||
| extern char *X11_GetClipboardText(_THIS); | ||
| extern SDL_bool X11_HasClipboardText(_THIS); | ||
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| #endif /* _SDL_x11clipboard_h */ | ||
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| /* vi: set ts=4 sw=4 expandtab: */ |