148 lines
3.9 KiB
C
148 lines
3.9 KiB
C
/*
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Copyright 1988, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from The Open Group.
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*/
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#ifndef _WQ_H
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#define _WQ_H
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/*
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* Input is parsed and a work queue is built that is executed later. This
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* allows us to swap keys as well as ensure that we don't mess up the keyboard
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* by doing a partial rebind.
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*/
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enum opcode { doKeycode, doAddModifier, doRemoveModifier, doClearModifier,
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doPointer };
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struct op_generic {
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enum opcode type; /* oneof enum opcode */
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union op *next; /* next element in list or NULL */
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};
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/*
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* keycode KEYCODE = KEYSYM
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* keysym OLDKEYSYM = NEWKEYSYM
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*
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* want to eval the OLDKEYSYM before executing the work list so that it isn't
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* effected by any assignments.
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*/
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struct op_keycode {
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enum opcode type; /* doKeycode */
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union op *next; /* next element in list or NULL */
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KeyCode target_keycode; /* key to which we are assigning */
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int count; /* number of new keysyms */
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KeySym *keysyms; /* new values to insert */
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};
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/*
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* add MODIFIER = KEYSYM ...
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*/
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struct op_addmodifier {
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enum opcode type; /* doAddModifier */
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union op *next; /* next element in list or NULL */
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int modifier; /* index into modifier list */
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int count; /* number of keysyms */
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KeySym *keysyms; /* new values to insert */
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};
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/*
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* remove MODIFIER = OLDKEYSYM ...
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*
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* want to eval the OLDKEYSYM before executing the work list so that it isn't
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* effected by any assignments.
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*/
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struct op_removemodifier {
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enum opcode type; /* doRemoveModifier */
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union op *next; /* next element in list or NULL */
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int modifier; /* index into modifier list */
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int count; /* number of keysyms */
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KeyCode *keycodes; /* old values to remove */
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};
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/*
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* clear MODIFIER
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*/
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struct op_clearmodifier {
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enum opcode type; /* doClearModifier */
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union op *next; /* next element in list or NULL */
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int modifier; /* index into modifier list */
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};
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/*
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* pointer = NUMBER ...
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*
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* set pointer map to the positive numbers given on the right hand side
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*/
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#define MAXBUTTONCODES 256 /* there are eight bits of buttons */
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struct op_pointer {
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enum opcode type; /* doPointer */
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union op *next; /* next element in list or NULL */
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int count; /* number of new button codes */
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unsigned char button_codes[MAXBUTTONCODES];
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};
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/*
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* all together now
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*/
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union op {
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struct op_generic generic;
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struct op_keycode keycode;
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struct op_addmodifier addmodifier;
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struct op_removemodifier removemodifier;
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struct op_clearmodifier clearmodifier;
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struct op_pointer pointer;
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};
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extern struct wq {
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union op *head;
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union op *tail;
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} work_queue;
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extern struct modtab {
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const char *name;
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int length;
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int value;
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} modifier_table[];
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#define AllocStruct(s) ((s *) malloc (sizeof (s)))
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#define MAXKEYSYMNAMESIZE 80 /* absurdly large */
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#endif
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