diff options
Diffstat (limited to 'xorg-server/hw/xquartz/quartzPasteboard.c')
| -rw-r--r-- | xorg-server/hw/xquartz/quartzPasteboard.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/xorg-server/hw/xquartz/quartzPasteboard.c b/xorg-server/hw/xquartz/quartzPasteboard.c new file mode 100644 index 000000000..0bf84f5d5 --- /dev/null +++ b/xorg-server/hw/xquartz/quartzPasteboard.c @@ -0,0 +1,145 @@ +/************************************************************** + * quartzPasteboard.c + * + * Aqua pasteboard <-> X cut buffer + * Greg Parker gparker@cs.stanford.edu March 8, 2001 + **************************************************************/ +/* + * Copyright (c) 2001 Greg Parker. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name(s) of the above copyright + * holders shall not be used in advertising or otherwise to promote the sale, + * use or other dealings in this Software without prior written authorization. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "quartzPasteboard.h" + +#include <X11/Xatom.h> +#include "windowstr.h" +#include "propertyst.h" +#include "scrnintstr.h" +#include "selection.h" +#include "globals.h" + + +// Helper function to read the X11 cut buffer +// FIXME: What about multiple screens? Currently, this reads the first +// CUT_BUFFER0 from the first screen where the buffer content is a string. +// Returns a string on the heap that the caller must free. +// Returns NULL if there is no cut text or there is not enough memory. +static char * QuartzReadCutBuffer(void) +{ + int rc, i; + char *text = NULL; + + for (i = 0; i < screenInfo.numScreens; i++) { + ScreenPtr pScreen = screenInfo.screens[i]; + PropertyPtr pProp; + + rc = dixLookupProperty(&pProp, WindowTable[pScreen->myNum], + XA_CUT_BUFFER0, serverClient, DixReadAccess); + if (rc != Success) continue; + if (pProp->type != XA_STRING) continue; + if (pProp->format != 8) continue; + + text = xalloc(1 + pProp->size); + if (! text) continue; + memcpy(text, pProp->data, pProp->size); + text[pProp->size] = '\0'; + return text; + } + + // didn't find any text + return NULL; +} + +// Write X cut buffer to Mac OS X pasteboard +// Called by ProcessInputEvents() in response to request from X server thread. +void QuartzWritePasteboard(void) +{ + char *text; + text = QuartzReadCutBuffer(); + if (text) { + QuartzWriteCocoaPasteboard(text); + free(text); + } +} + +#define strequal(a, b) (0 == strcmp((a), (b))) + +// Read Mac OS X pasteboard into X cut buffer +// Called by ProcessInputEvents() in response to request from X server thread. +void QuartzReadPasteboard(void) +{ + char *oldText = QuartzReadCutBuffer(); + char *text = QuartzReadCocoaPasteboard(); + + // Compare text with current cut buffer contents. + // Change the buffer if both exist and are different + // OR if there is new text but no old text. + // Otherwise, don't clear the selection unnecessarily. + + if ((text && oldText && !strequal(text, oldText)) || + (text && !oldText)) { + int scrn, rc; + Selection *pSel; + + for (scrn = 0; scrn < screenInfo.numScreens; scrn++) { + ScreenPtr pScreen = screenInfo.screens[scrn]; + // Set the cut buffers on each screen + // fixme really on each screen? + dixChangeWindowProperty(serverClient, WindowTable[pScreen->myNum], + XA_CUT_BUFFER0, XA_STRING, 8, PropModeReplace, + strlen(text), (pointer)text, TRUE); + } + + // Undo any current X selection (similar to code in dispatch.c) + // FIXME: what about secondary selection? + // FIXME: only touch first XA_PRIMARY selection? + rc = dixLookupSelection(&pSel, XA_PRIMARY, serverClient, + DixSetAttrAccess); + if (rc == Success) { + // Notify client if necessary + if (pSel->client) { + xEvent event; + + event.u.u.type = SelectionClear; + event.u.selectionClear.time = GetTimeInMillis(); + event.u.selectionClear.window = pSel->window; + event.u.selectionClear.atom = pSel->selection; + TryClientEvents(pSel->client, &event, 1, NoEventMask, + NoEventMask /*CantBeFiltered*/, NullGrab); + } + + // Erase it + pSel->pWin = NullWindow; + pSel->window = None; + pSel->client = NullClient; + } + } + + if (text) free(text); + if (oldText) free(oldText); +} |