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authorKaleb Keithley <kaleb@freedesktop.org>2003-11-14 15:54:54 +0000
committerKaleb Keithley <kaleb@freedesktop.org>2003-11-14 15:54:54 +0000
commite29f1f1ed2128d7382a72ccb1684045fe4bc8183 (patch)
tree046f47267d55924f194f17aaaf2f45ac19eb4d35 /wq.h
R6.6 is the Xorg base-lineXORG-MAINXORG-STABLE
Diffstat (limited to 'wq.h')
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1 files changed, 143 insertions, 0 deletions
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+/* $Xorg: wq.h,v 1.4 2001/02/09 02:05:56 xorgcvs Exp $ */
+/*
+
+Copyright 1988, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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 OPEN GROUP 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 of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+/*
+ * Input is parsed and a work queue is built that is executed later. This
+ * allows us to swap keys as well as ensure that we don't mess up the keyboard
+ * by doing a partial rebind.
+ */
+
+enum opcode { doKeycode, doAddModifier, doRemoveModifier, doClearModifier,
+ doPointer };
+
+struct op_generic {
+ enum opcode type; /* oneof enum opcode */
+ union op *next; /* next element in list or NULL */
+};
+
+
+/*
+ * keycode KEYCODE = KEYSYM
+ * keysym OLDKEYSYM = NEWKEYSYM
+ *
+ * want to eval the OLDKEYSYM before executing the work list so that it isn't
+ * effected by any assignments.
+ */
+
+struct op_keycode {
+ enum opcode type; /* doKeycode */
+ union op *next; /* next element in list or NULL */
+ KeyCode target_keycode; /* key to which we are assigning */
+ int count; /* number of new keysyms */
+ KeySym *keysyms; /* new values to insert */
+};
+
+
+/*
+ * add MODIFIER = KEYSYM ...
+ */
+
+struct op_addmodifier {
+ enum opcode type; /* doAddModifier */
+ union op *next; /* next element in list or NULL */
+ int modifier; /* index into modifier list */
+ int count; /* number of keysyms */
+ KeySym *keysyms; /* new values to insert */
+};
+
+
+/*
+ * remove MODIFIER = OLDKEYSYM ...
+ *
+ * want to eval the OLDKEYSYM before executing the work list so that it isn't
+ * effected by any assignments.
+ */
+
+struct op_removemodifier {
+ enum opcode type; /* doRemoveModifier */
+ union op *next; /* next element in list or NULL */
+ int modifier; /* index into modifier list */
+ int count; /* number of keysyms */
+ KeyCode *keycodes; /* old values to remove */
+};
+
+
+/*
+ * clear MODIFIER
+ */
+
+struct op_clearmodifier {
+ enum opcode type; /* doClearModifier */
+ union op *next; /* next element in list or NULL */
+ int modifier; /* index into modifier list */
+};
+
+/*
+ * pointer = NUMBER ...
+ *
+ * set pointer map to the positive numbers given on the right hand side
+ */
+
+#define MAXBUTTONCODES 256 /* there are eight bits of buttons */
+
+struct op_pointer {
+ enum opcode type; /* doPointer */
+ union op *next; /* next element in list or NULL */
+ int count; /* number of new button codes */
+ unsigned char button_codes[MAXBUTTONCODES];
+};
+
+
+/*
+ * all together now
+ */
+union op {
+ struct op_generic generic;
+ struct op_keycode keycode;
+ struct op_addmodifier addmodifier;
+ struct op_removemodifier removemodifier;
+ struct op_clearmodifier clearmodifier;
+ struct op_pointer pointer;
+};
+
+extern struct wq {
+ union op *head;
+ union op *tail;
+} work_queue;
+
+
+extern struct modtab {
+ char *name;
+ int length;
+ int value;
+} modifier_table[];
+
+#define AllocStruct(s) ((s *) malloc (sizeof (s)))
+
+#define MAXKEYSYMNAMESIZE 80 /* absurdly large */