xenocara/xserver/hw/xfree86/parser/Layout.c

533 lines
17 KiB
C

/*
*
* Copyright (c) 1997 Metro Link Incorporated
*
* 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 X CONSORTIUM 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 Metro Link shall not be
* used in advertising or otherwise to promote the sale, use or other dealings
* in this Software without prior written authorization from Metro Link.
*
*/
/*
* Copyright (c) 1997-2003 by The XFree86 Project, Inc.
*
* 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 COPYRIGHT HOLDER(S) OR AUTHOR(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 of the copyright holder(s)
* and author(s) 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 copyright holder(s) and author(s).
*/
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include "xf86Parser.h"
#include "xf86tokens.h"
#include "Configint.h"
#include <string.h>
#include "optionstr.h"
/* Needed for auto server layout */
extern int xf86CheckBoolOption(void *optlist, const char *name, int deflt);
extern LexRec val;
static xf86ConfigSymTabRec LayoutTab[] = {
{ENDSECTION, "endsection"},
{SCREEN, "screen"},
{IDENTIFIER, "identifier"},
{INACTIVE, "inactive"},
{INPUTDEVICE, "inputdevice"},
{OPTION, "option"},
{-1, ""},
};
static xf86ConfigSymTabRec AdjTab[] = {
{RIGHTOF, "rightof"},
{LEFTOF, "leftof"},
{ABOVE, "above"},
{BELOW, "below"},
{RELATIVE, "relative"},
{ABSOLUTE, "absolute"},
{-1, ""},
};
#define CLEANUP xf86freeLayoutList
XF86ConfLayoutPtr
xf86parseLayoutSection(void)
{
int has_ident = FALSE;
int token;
parsePrologue(XF86ConfLayoutPtr, XF86ConfLayoutRec)
while ((token = xf86getToken(LayoutTab)) != ENDSECTION) {
switch (token) {
case COMMENT:
ptr->lay_comment = xf86addComment(ptr->lay_comment, val.str);
break;
case IDENTIFIER:
if (xf86getSubToken(&(ptr->lay_comment)) != STRING)
Error(QUOTE_MSG, "Identifier");
if (has_ident == TRUE)
Error(MULTIPLE_MSG, "Identifier");
ptr->lay_identifier = val.str;
has_ident = TRUE;
break;
case INACTIVE:
{
XF86ConfInactivePtr iptr;
iptr = calloc(1, sizeof(XF86ConfInactiveRec));
iptr->list.next = NULL;
if (xf86getSubToken(&(ptr->lay_comment)) != STRING) {
free(iptr);
Error(INACTIVE_MSG);
}
iptr->inactive_device_str = val.str;
ptr->lay_inactive_lst = (XF86ConfInactivePtr)
xf86addListItem((glp) ptr->lay_inactive_lst, (glp) iptr);
}
break;
case SCREEN:
{
XF86ConfAdjacencyPtr aptr;
int absKeyword = 0;
aptr = calloc(1, sizeof(XF86ConfAdjacencyRec));
aptr->list.next = NULL;
aptr->adj_scrnum = -1;
aptr->adj_where = CONF_ADJ_OBSOLETE;
aptr->adj_x = 0;
aptr->adj_y = 0;
aptr->adj_refscreen = NULL;
if ((token = xf86getSubToken(&(ptr->lay_comment))) == NUMBER)
aptr->adj_scrnum = val.num;
else
xf86unGetToken(token);
token = xf86getSubToken(&(ptr->lay_comment));
if (token != STRING) {
free(aptr);
Error(SCREEN_MSG);
}
aptr->adj_screen_str = val.str;
token = xf86getSubTokenWithTab(&(ptr->lay_comment), AdjTab);
switch (token) {
case RIGHTOF:
aptr->adj_where = CONF_ADJ_RIGHTOF;
break;
case LEFTOF:
aptr->adj_where = CONF_ADJ_LEFTOF;
break;
case ABOVE:
aptr->adj_where = CONF_ADJ_ABOVE;
break;
case BELOW:
aptr->adj_where = CONF_ADJ_BELOW;
break;
case RELATIVE:
aptr->adj_where = CONF_ADJ_RELATIVE;
break;
case ABSOLUTE:
aptr->adj_where = CONF_ADJ_ABSOLUTE;
absKeyword = 1;
break;
case EOF_TOKEN:
free(aptr);
Error(UNEXPECTED_EOF_MSG);
break;
default:
xf86unGetToken(token);
token = xf86getSubToken(&(ptr->lay_comment));
if (token == STRING)
aptr->adj_where = CONF_ADJ_OBSOLETE;
else
aptr->adj_where = CONF_ADJ_ABSOLUTE;
}
switch (aptr->adj_where) {
case CONF_ADJ_ABSOLUTE:
if (absKeyword)
token = xf86getSubToken(&(ptr->lay_comment));
if (token == NUMBER) {
aptr->adj_x = val.num;
token = xf86getSubToken(&(ptr->lay_comment));
if (token != NUMBER) {
free(aptr);
Error(INVALID_SCR_MSG);
}
aptr->adj_y = val.num;
}
else {
if (absKeyword) {
free(aptr);
Error(INVALID_SCR_MSG);
}
else
xf86unGetToken(token);
}
break;
case CONF_ADJ_RIGHTOF:
case CONF_ADJ_LEFTOF:
case CONF_ADJ_ABOVE:
case CONF_ADJ_BELOW:
case CONF_ADJ_RELATIVE:
token = xf86getSubToken(&(ptr->lay_comment));
if (token != STRING) {
free(aptr);
Error(INVALID_SCR_MSG);
}
aptr->adj_refscreen = val.str;
if (aptr->adj_where == CONF_ADJ_RELATIVE) {
token = xf86getSubToken(&(ptr->lay_comment));
if (token != NUMBER) {
free(aptr);
Error(INVALID_SCR_MSG);
}
aptr->adj_x = val.num;
token = xf86getSubToken(&(ptr->lay_comment));
if (token != NUMBER) {
free(aptr);
Error(INVALID_SCR_MSG);
}
aptr->adj_y = val.num;
}
break;
case CONF_ADJ_OBSOLETE:
/* top */
aptr->adj_top_str = val.str;
/* bottom */
if (xf86getSubToken(&(ptr->lay_comment)) != STRING) {
free(aptr);
Error(SCREEN_MSG);
}
aptr->adj_bottom_str = val.str;
/* left */
if (xf86getSubToken(&(ptr->lay_comment)) != STRING) {
free(aptr);
Error(SCREEN_MSG);
}
aptr->adj_left_str = val.str;
/* right */
if (xf86getSubToken(&(ptr->lay_comment)) != STRING) {
free(aptr);
Error(SCREEN_MSG);
}
aptr->adj_right_str = val.str;
}
ptr->lay_adjacency_lst = (XF86ConfAdjacencyPtr)
xf86addListItem((glp) ptr->lay_adjacency_lst, (glp) aptr);
}
break;
case INPUTDEVICE:
{
XF86ConfInputrefPtr iptr;
iptr = calloc(1, sizeof(XF86ConfInputrefRec));
iptr->list.next = NULL;
iptr->iref_option_lst = NULL;
if (xf86getSubToken(&(ptr->lay_comment)) != STRING) {
free(iptr);
Error(INPUTDEV_MSG);
}
iptr->iref_inputdev_str = val.str;
while ((token = xf86getSubToken(&(ptr->lay_comment))) == STRING) {
iptr->iref_option_lst =
xf86addNewOption(iptr->iref_option_lst, val.str, NULL);
}
xf86unGetToken(token);
ptr->lay_input_lst = (XF86ConfInputrefPtr)
xf86addListItem((glp) ptr->lay_input_lst, (glp) iptr);
}
break;
case OPTION:
ptr->lay_option_lst = xf86parseOption(ptr->lay_option_lst);
break;
case EOF_TOKEN:
Error(UNEXPECTED_EOF_MSG);
break;
default:
Error(INVALID_KEYWORD_MSG, xf86tokenString());
break;
}
}
if (!has_ident)
Error(NO_IDENT_MSG);
#ifdef DEBUG
printf("Layout section parsed\n");
#endif
return ptr;
}
#undef CLEANUP
void
xf86printLayoutSection(FILE * cf, XF86ConfLayoutPtr ptr)
{
XF86ConfAdjacencyPtr aptr;
XF86ConfInactivePtr iptr;
XF86ConfInputrefPtr inptr;
XF86OptionPtr optr;
while (ptr) {
fprintf(cf, "Section \"ServerLayout\"\n");
if (ptr->lay_comment)
fprintf(cf, "%s", ptr->lay_comment);
if (ptr->lay_identifier)
fprintf(cf, "\tIdentifier \"%s\"\n", ptr->lay_identifier);
for (aptr = ptr->lay_adjacency_lst; aptr; aptr = aptr->list.next) {
fprintf(cf, "\tScreen ");
if (aptr->adj_scrnum >= 0)
fprintf(cf, "%2d", aptr->adj_scrnum);
else
fprintf(cf, " ");
fprintf(cf, " \"%s\"", aptr->adj_screen_str);
switch (aptr->adj_where) {
case CONF_ADJ_OBSOLETE:
fprintf(cf, " \"%s\"", aptr->adj_top_str);
fprintf(cf, " \"%s\"", aptr->adj_bottom_str);
fprintf(cf, " \"%s\"", aptr->adj_right_str);
fprintf(cf, " \"%s\"\n", aptr->adj_left_str);
break;
case CONF_ADJ_ABSOLUTE:
if (aptr->adj_x != -1)
fprintf(cf, " %d %d\n", aptr->adj_x, aptr->adj_y);
else
fprintf(cf, "\n");
break;
case CONF_ADJ_RIGHTOF:
fprintf(cf, " RightOf \"%s\"\n", aptr->adj_refscreen);
break;
case CONF_ADJ_LEFTOF:
fprintf(cf, " LeftOf \"%s\"\n", aptr->adj_refscreen);
break;
case CONF_ADJ_ABOVE:
fprintf(cf, " Above \"%s\"\n", aptr->adj_refscreen);
break;
case CONF_ADJ_BELOW:
fprintf(cf, " Below \"%s\"\n", aptr->adj_refscreen);
break;
case CONF_ADJ_RELATIVE:
fprintf(cf, " Relative \"%s\" %d %d\n", aptr->adj_refscreen,
aptr->adj_x, aptr->adj_y);
break;
}
}
for (iptr = ptr->lay_inactive_lst; iptr; iptr = iptr->list.next)
fprintf(cf, "\tInactive \"%s\"\n", iptr->inactive_device_str);
for (inptr = ptr->lay_input_lst; inptr; inptr = inptr->list.next) {
fprintf(cf, "\tInputDevice \"%s\"", inptr->iref_inputdev_str);
for (optr = inptr->iref_option_lst; optr; optr = optr->list.next) {
fprintf(cf, " \"%s\"", optr->opt_name);
}
fprintf(cf, "\n");
}
xf86printOptionList(cf, ptr->lay_option_lst, 1);
fprintf(cf, "EndSection\n\n");
ptr = ptr->list.next;
}
}
static void
xf86freeAdjacencyList(XF86ConfAdjacencyPtr ptr)
{
XF86ConfAdjacencyPtr prev;
while (ptr) {
TestFree(ptr->adj_screen_str);
TestFree(ptr->adj_top_str);
TestFree(ptr->adj_bottom_str);
TestFree(ptr->adj_left_str);
TestFree(ptr->adj_right_str);
prev = ptr;
ptr = ptr->list.next;
free(prev);
}
}
static void
xf86freeInputrefList(XF86ConfInputrefPtr ptr)
{
XF86ConfInputrefPtr prev;
while (ptr) {
TestFree(ptr->iref_inputdev_str);
xf86optionListFree(ptr->iref_option_lst);
prev = ptr;
ptr = ptr->list.next;
free(prev);
}
}
void
xf86freeLayoutList(XF86ConfLayoutPtr ptr)
{
XF86ConfLayoutPtr prev;
while (ptr) {
TestFree(ptr->lay_identifier);
TestFree(ptr->lay_comment);
xf86freeAdjacencyList(ptr->lay_adjacency_lst);
xf86freeInputrefList(ptr->lay_input_lst);
prev = ptr;
ptr = ptr->list.next;
free(prev);
}
}
int
xf86layoutAddInputDevices(XF86ConfigPtr config, XF86ConfLayoutPtr layout)
{
int count = 0;
XF86ConfInputPtr input = config->conf_input_lst;
XF86ConfInputrefPtr inptr;
/* add all AutoServerLayout devices to the server layout */
while (input) {
if (xf86CheckBoolOption
(input->inp_option_lst, "AutoServerLayout", FALSE)) {
XF86ConfInputrefPtr iref = layout->lay_input_lst;
/* avoid duplicates if referenced but lists AutoServerLayout too */
while (iref) {
if (strcmp(iref->iref_inputdev_str, input->inp_identifier) == 0)
break;
iref = iref->list.next;
}
if (!iref) {
XF86ConfInputrefPtr iptr;
iptr = calloc(1, sizeof(XF86ConfInputrefRec));
iptr->iref_inputdev_str = input->inp_identifier;
layout->lay_input_lst = (XF86ConfInputrefPtr)
xf86addListItem((glp) layout->lay_input_lst, (glp) iptr);
count++;
}
}
input = input->list.next;
}
inptr = layout->lay_input_lst;
while (inptr) {
input = xf86findInput(inptr->iref_inputdev_str, config->conf_input_lst);
if (!input) {
xf86validationError(UNDEFINED_INPUT_MSG,
inptr->iref_inputdev_str,
layout->lay_identifier);
return -1;
}
else
inptr->iref_inputdev = input;
inptr = inptr->list.next;
}
return count;
}
int
xf86validateLayout(XF86ConfigPtr p)
{
XF86ConfLayoutPtr layout = p->conf_layout_lst;
XF86ConfAdjacencyPtr adj;
XF86ConfInactivePtr iptr;
XF86ConfScreenPtr screen;
XF86ConfDevicePtr device;
while (layout) {
adj = layout->lay_adjacency_lst;
while (adj) {
/* the first one can't be "" but all others can */
screen = xf86findScreen(adj->adj_screen_str, p->conf_screen_lst);
if (!screen) {
xf86validationError(UNDEFINED_SCREEN_MSG,
adj->adj_screen_str,
layout->lay_identifier);
return FALSE;
}
else
adj->adj_screen = screen;
adj = adj->list.next;
}
iptr = layout->lay_inactive_lst;
while (iptr) {
device = xf86findDevice(iptr->inactive_device_str,
p->conf_device_lst);
if (!device) {
xf86validationError(UNDEFINED_DEVICE_LAY_MSG,
iptr->inactive_device_str,
layout->lay_identifier);
return FALSE;
}
else
iptr->inactive_device = device;
iptr = iptr->list.next;
}
if (xf86layoutAddInputDevices(p, layout) == -1)
return FALSE;
layout = layout->list.next;
}
return TRUE;
}
XF86ConfLayoutPtr
xf86findLayout(const char *name, XF86ConfLayoutPtr list)
{
while (list) {
if (xf86nameCompare(list->lay_identifier, name) == 0)
return list;
list = list->list.next;
}
return NULL;
}