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d7e0b9e5c2
See: https://gcc.gnu.org/onlinedocs/cppinternals/Guard-Macros.html Signed-off-by: Mike Gelfand <mikedld@mikedld.com>
125 lines
4.2 KiB
C
125 lines
4.2 KiB
C
/*****************************************************************
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Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
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BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of Digital Equipment Corporation
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shall not be used in advertising or otherwise to promote the sale, use or other
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dealings in this Software without prior written authorization from Digital
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Equipment Corporation.
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******************************************************************/
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/* THIS IS NOT AN X PROJECT TEAM SPECIFICATION */
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#ifndef _PANORAMIX_H_
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#define _PANORAMIX_H_
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#include <dix-config.h>
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#include <X11/Xmd.h>
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#include <X11/extensions/panoramiXproto.h>
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#include "include/scrnintstr.h" /* for screenInfo */
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#include "gcstruct.h"
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#include "dixstruct.h"
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/*
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* PanoramiX definitions
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*/
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typedef struct _PanoramiXInfo {
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XID id;
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} PanoramiXInfo;
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typedef struct {
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PanoramiXInfo info[MAXSCREENS];
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RESTYPE type;
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union {
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struct {
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char visibility;
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char class;
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char root;
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} win;
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struct {
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Bool shared;
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} pix;
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struct {
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Bool root;
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} pict;
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char raw_data[4];
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} u;
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} PanoramiXRes;
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/*
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* macro for looping over all screens (up to `PanoramiXNumScreens`).
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* Makes a new scopes and declares `walkScreenIdx` as the current screen's
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* index number as well as `walkScreen` as poiner to current ScreenRec
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*
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* @param __LAMBDA__ the code to be executed in each iteration step.
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*/
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#define XINERAMA_FOR_EACH_SCREEN_FORWARD(__LAMBDA__) \
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do { \
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for (unsigned walkScreenIdx = 0; walkScreenIdx < PanoramiXNumScreens; walkScreenIdx++) { \
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ScreenPtr walkScreen = screenInfo.screens[walkScreenIdx]; \
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(void)walkScreen; \
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__LAMBDA__; \
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} \
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} while (0);
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/*
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* just like XINERAMA_FOR_EACH_SCREEN_FORWARD(), but skipping the first
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* screen (which is the frontend to the client)
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*
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* @param __LAMBDA__ the code to be executed in each iteration step.
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*/
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#define XINERAMA_FOR_EACH_SCREEN_FORWARD_SKIP0(__LAMBDA__) \
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do { \
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for (unsigned walkScreenIdx = 1; walkScreenIdx < PanoramiXNumScreens; walkScreenIdx++) { \
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ScreenPtr walkScreen = screenInfo.screens[walkScreenIdx]; \
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(void)walkScreen; \
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__LAMBDA__; \
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} \
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} while (0);
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/*
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* like XINERAMA_FOR_EACH_SCREEN_FORWARD(), but traveling backwards.
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*
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* @param __LAMBDA__ the code to be executed in each iteration step.
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*/
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#define XINERAMA_FOR_EACH_SCREEN_BACKWARD(__LAMBDA__) \
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do { \
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for (unsigned __walkidx = PanoramiXNumScreens; __walkidx > 0; __walkidx--) { \
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unsigned walkScreenIdx = __walkidx - 1; \
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ScreenPtr walkScreen = screenInfo.screens[walkScreenIdx]; \
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(void)walkScreen; \
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__LAMBDA__; \
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} \
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} while (0);
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#define FOR_NSCREENS_FORWARD(j) for(j = 0; j < PanoramiXNumScreens; j++)
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#define FOR_NSCREENS_FORWARD_SKIP(j) for(j = 1; j < PanoramiXNumScreens; j++)
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#define FOR_NSCREENS_BACKWARD(j) for(j = PanoramiXNumScreens - 1; j >= 0; j--)
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#define IS_SHARED_PIXMAP(r) (((r)->type == XRT_PIXMAP) && (r)->u.pix.shared)
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#define IS_ROOT_DRAWABLE(d) (((d)->type == XRT_WINDOW) && (d)->u.win.root)
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#endif /* _PANORAMIX_H_ */
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