diff options
Diffstat (limited to 'hw/dmx/config/dmxconfig.c')
| -rw-r--r-- | hw/dmx/config/dmxconfig.c | 495 |
1 files changed, 495 insertions, 0 deletions
diff --git a/hw/dmx/config/dmxconfig.c b/hw/dmx/config/dmxconfig.c new file mode 100644 index 000000000..f276283a3 --- /dev/null +++ b/hw/dmx/config/dmxconfig.c @@ -0,0 +1,495 @@ +/* $XFree86$ */ +/* + * Copyright 2002-2003 Red Hat Inc., Durham, North Carolina. + * + * 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 on 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 (including the + * next paragraph) 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 + * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS + * 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. + */ + +/* + * Authors: + * Rickard E. (Rik) Faith <faith@redhat.com> + * + */ + +/** \file + * Provides interface for reading DMX configuration files and for + * combining that information with command-line configuration parameters. */ + + +#include "dmx.h" +#include "dmxinput.h" +#include "dmxconfig.h" +#include "dmxparse.h" +#include "dmxlog.h" +#include "dmxcb.h" +#include "dmxstat.h" +#include "parser.h" + +extern int yyparse(void); +extern FILE *yyin; + +static char *dmxXkbRules; +static char *dmxXkbModel; +static char *dmxXkbLayout; +static char *dmxXkbVariant; +static char *dmxXkbOptions; + +/** Stores lists of configuration information. */ +typedef struct DMXConfigListStruct { + const char *name; + struct DMXConfigListStruct *next; +} DMXConfigList, *DMXConfigListPtr; + +/** This stucture stores the parsed configuration information. */ +typedef struct DMXConfigCmdStruct { + const char *filename; + const char *config; + DMXConfigList *displays; + DMXConfigList *inputs; + DMXConfigList *xinputs; +} DMXConfigCmd, *DMXConfigCmdPtr; + +DMXConfigEntryPtr dmxConfigEntry; +static DMXConfigCmd dmxConfigCmd; + +static int dmxDisplaysFromCommandLine; + +/** Make a note that \a display is the name of an X11 display that + * should be initialized as a backend (output) display. Called from + * #ddxProcessArgument. */ +void dmxConfigStoreDisplay(const char *display) +{ + DMXConfigListPtr entry = malloc(sizeof(*entry)); + entry->name = strdup(display); + entry->next = NULL; + if (!dmxConfigCmd.displays) dmxConfigCmd.displays = entry; + else { + DMXConfigList *pt; + for (pt = dmxConfigCmd.displays; pt->next; pt = pt->next); + if (!pt) + dmxLog(dmxFatal, "dmxConfigStoreDisplay: end of list non-NULL\n"); + pt->next = entry; + } + ++dmxDisplaysFromCommandLine; +} + +/** Make a note that \a input is the name of an X11 display that should + * be used for input (either a backend or a console input device). */ +void dmxConfigStoreInput(const char *input) +{ + DMXConfigListPtr entry = malloc(sizeof(*entry)); + entry->name = strdup(input); + entry->next = NULL; + if (!dmxConfigCmd.inputs) dmxConfigCmd.inputs = entry; + else { + DMXConfigList *pt; + for (pt = dmxConfigCmd.inputs; pt->next; pt = pt->next); + if (!pt) + dmxLog(dmxFatal, "dmxConfigStoreInput: end of list non-NULL\n"); + pt->next = entry; + } +} + +/** Make a note that \a input is the name of an X11 display that should + * be used for input from XInput extension devices. */ +void dmxConfigStoreXInput(const char *input) +{ + DMXConfigListPtr entry = malloc(sizeof(*entry)); + entry->name = strdup(input); + entry->next = NULL; + if (!dmxConfigCmd.xinputs) dmxConfigCmd.xinputs = entry; + else { + DMXConfigList *pt; + for (pt = dmxConfigCmd.xinputs; pt->next; pt = pt->next); + if (!pt) + dmxLog(dmxFatal, "dmxConfigStoreXInput: end of list non-NULL\n"); + pt->next = entry; + } +} + +/** Make a note that \a file is the configuration file. */ +void dmxConfigStoreFile(const char *file) +{ + if (dmxConfigCmd.filename) + dmxLog(dmxFatal, "Only one -configfile allowed\n"); + dmxConfigCmd.filename = strdup(file); +} + +/** Make a note that \a config should be used as the configuration for + * current instantiation of the DMX server. */ +void dmxConfigStoreConfig(const char *config) +{ + if (dmxConfigCmd.config) dmxLog(dmxFatal, "Only one -config allowed\n"); + dmxConfigCmd.config = strdup(config); +} + +static int dmxConfigReadFile(const char *filename, int debug) +{ + FILE *str; + + if (!(str = fopen(filename, "r"))) return -1; + dmxLog(dmxInfo, "Reading configuration file \"%s\"\n", filename); + yyin = str; + yydebug = debug; + yyparse(); + fclose(str); + return 0; +} + +static const char *dmxConfigMatch(const char *target, DMXConfigEntryPtr entry) +{ + DMXConfigVirtualPtr v = entry->virtual; + const char *name = NULL; + + if (v && v->name) name = v->name; + + if (v && !dmxConfigCmd.config) return v->name ? v->name : "<noname>"; + if (!name) return NULL; + if (!strcmp(name, target)) return name; + return NULL; +} + +static DMXScreenInfo *dmxConfigAddDisplay(const char *name, + int scrnWidth, int scrnHeight, + int scrnX, int scrnY, + int scrnXSign, int scrnYSign, + int rootWidth, int rootHeight, + int rootX, int rootY, + int rootXSign, int rootYSign) +{ + DMXScreenInfo *dmxScreen; + + if (!(dmxScreens = realloc(dmxScreens, + (dmxNumScreens+1) * sizeof(*dmxScreens)))) + dmxLog(dmxFatal, + "dmxConfigAddDisplay: realloc failed for screen %d (%s)\n", + dmxNumScreens, name); + + dmxScreen = &dmxScreens[dmxNumScreens]; + memset(dmxScreen, 0, sizeof(*dmxScreen)); + dmxScreen->name = name; + dmxScreen->index = dmxNumScreens; + dmxScreen->scrnWidth = scrnWidth; + dmxScreen->scrnHeight = scrnHeight; + dmxScreen->scrnX = scrnX; + dmxScreen->scrnY = scrnY; + dmxScreen->scrnXSign = scrnXSign; + dmxScreen->scrnYSign = scrnYSign; + dmxScreen->rootWidth = rootWidth; + dmxScreen->rootHeight = rootHeight; + dmxScreen->rootX = rootX; + dmxScreen->rootY = rootY; + dmxScreen->stat = dmxStatAlloc(); + ++dmxNumScreens; + return dmxScreen; +} + +DMXInputInfo *dmxConfigAddInput(const char *name, int core) +{ + DMXInputInfo *dmxInput; + + if (!(dmxInputs = realloc(dmxInputs, + (dmxNumInputs+1) * sizeof(*dmxInputs)))) + dmxLog(dmxFatal, + "dmxConfigAddInput: realloc failed for input %d (%s)\n", + dmxNumInputs, name); + + dmxInput = &dmxInputs[dmxNumInputs]; + + memset(dmxInput, 0, sizeof(*dmxInput)); + dmxInput->name = name; + dmxInput->inputIdx = dmxNumInputs; + dmxInput->scrnIdx = -1; + dmxInput->core = core; + ++dmxNumInputs; + return dmxInput; +} + +static void dmxConfigCopyFromDisplay(DMXConfigDisplayPtr d) +{ + DMXScreenInfo *dmxScreen; + + dmxScreen = dmxConfigAddDisplay(d->name, + d->scrnWidth, d->scrnHeight, + d->scrnX, d->scrnY, + d->scrnXSign, d->scrnYSign, + d->rootWidth, d->rootHeight, + d->rootX, d->rootY, + d->rootXSign, d->rootXSign); + dmxScreen->where = PosAbsolute; + dmxScreen->whereX = d->rootXOrigin; + dmxScreen->whereY = d->rootYOrigin; +} + +static void dmxConfigCopyFromWall(DMXConfigWallPtr w) +{ + DMXConfigStringPtr pt; + DMXScreenInfo *dmxScreen; + int edge = dmxNumScreens; + int last = dmxNumScreens; + + if (!w->xwall && !w->ywall) { /* Try to make it square */ + int count; + for (pt = w->nameList, count = 0; pt; pt = pt->next) ++count; + w->xwall = sqrt(count) + .5; + } + + for (pt = w->nameList; pt; pt = pt->next) { + dmxScreen = dmxConfigAddDisplay(pt->string, w->width, w->height, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); + if (pt == w->nameList) { /* Upper left */ + dmxScreen->where = PosAbsolute; + dmxScreen->whereX = 0; + dmxScreen->whereY = 0; + } else if (w->xwall) { /* Tile left to right, then top to bottom */ + if (!((dmxNumScreens-1) % w->xwall)) { + dmxScreen->where = PosBelow; + dmxScreen->whereRefScreen = edge; + edge = dmxNumScreens-1; + } else { + dmxScreen->where = PosRightOf; + dmxScreen->whereRefScreen = last; + } + } else { /* Tile top to bottom, then left to right */ + if (!((dmxNumScreens-1) % w->ywall)) { + dmxScreen->where = PosRightOf; + dmxScreen->whereRefScreen = edge; + edge = dmxNumScreens-1; + } else { + dmxScreen->where = PosBelow; + dmxScreen->whereRefScreen = last; + } + + } + last = dmxNumScreens-1; + if (dmxScreen->where == PosAbsolute) + dmxLog(dmxInfo, "Added %s at %d %d\n", + pt->string, dmxScreen->whereX, dmxScreen->whereY); + else + dmxLog(dmxInfo, "Added %s %s %s\n", + pt->string, + dmxScreen->where == PosBelow ? "below" : "right of", + dmxScreens[dmxScreen->whereRefScreen].name); + } +} + +static void dmxConfigCopyFromOption(DMXConfigOptionPtr o) +{ + DMXConfigStringPtr pt; + int argc = 0; + char **argv = NULL; + + if (serverGeneration != 1) return; /* FIXME: only do once, for now */ + if (!o || !o->string) return; + for (pt = o->option; pt; pt = pt->next) { + if (pt->string) { + ++argc; + argv = realloc(argv, (argc+1) * sizeof(*argv)); + argv[argc] = (char *)pt->string; + } + } + argv[0] = NULL; + ProcessCommandLine(argc+1, argv); + free(argv); +} + +static void dmxConfigCopyFromParam(DMXConfigParamPtr p) +{ + const char **argv; + int argc; + + if ((argv = dmxConfigLookupParam(p, "xkbrules", &argc)) && argc == 2) { + dmxConfigSetXkbRules(argv[1]); + } else if ((argv = dmxConfigLookupParam(p, "xkbmodel", &argc)) + && argc == 2) { + dmxConfigSetXkbModel(argv[1]); + } else if ((argv = dmxConfigLookupParam(p, "xkblayout", &argc)) + && argc == 2) { + dmxConfigSetXkbLayout(argv[1]); + } else if ((argv = dmxConfigLookupParam(p, "xkbvariant", &argc)) + && argc == 2) { + dmxConfigSetXkbVariant(argv[1]); + } else if ((argv = dmxConfigLookupParam(p, "xkboptions", &argc)) + && argc == 2) { + dmxConfigSetXkbOptions(argv[1]); + } +} + +static void dmxConfigCopyData(DMXConfigVirtualPtr v) +{ + DMXConfigSubPtr sub; + + if (v->dim) dmxSetWidthHeight(v->dim->x, v->dim->y); + else dmxSetWidthHeight(0, 0); + for (sub = v->subentry; sub; sub = sub->next) { + switch (sub->type) { + case dmxConfigDisplay: dmxConfigCopyFromDisplay(sub->display); break; + case dmxConfigWall: dmxConfigCopyFromWall(sub->wall); break; + case dmxConfigOption: dmxConfigCopyFromOption(sub->option); break; + case dmxConfigParam: dmxConfigCopyFromParam(sub->param); break; + default: + dmxLog(dmxFatal, + "dmxConfigCopyData: not a display, wall, or value\n"); + } + } +} + +static void dmxConfigFromCommandLine(void) +{ + DMXConfigListPtr pt; + + dmxLog(dmxInfo, "Using configuration from command line\n"); + for (pt = dmxConfigCmd.displays; pt; pt = pt->next) { + DMXScreenInfo *dmxScreen = dmxConfigAddDisplay(pt->name, + 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0); + if (dmxNumScreens == 1) { + dmxScreen->where = PosAbsolute; + dmxScreen->whereX = 0; + dmxScreen->whereY = 0; + dmxLog(dmxInfo, "Added %s at %d %d\n", + dmxScreen->name, dmxScreen->whereX, dmxScreen->whereY); + } else { + dmxScreen->where = PosRightOf; + dmxScreen->whereRefScreen = dmxNumScreens - 2; + if (dmxScreen->whereRefScreen < 0) dmxScreen->whereRefScreen = 0; + dmxLog(dmxInfo, "Added %s %s %s\n", + dmxScreen->name, + dmxScreen->where == PosBelow ? "below" : "right of", + dmxScreens[dmxScreen->whereRefScreen].name); + } + } +} + +static void dmxConfigFromConfigFile(void) +{ + DMXConfigEntryPtr pt; + const char *name; + + for (pt = dmxConfigEntry; pt; pt = pt->next) { + /* FIXME -- if an input is specified, use it */ + if (pt->type != dmxConfigVirtual) continue; + if ((name = dmxConfigMatch(dmxConfigCmd.config, pt))) { + dmxLog(dmxInfo, "Using configuration \"%s\"\n", name); + dmxConfigCopyData(pt->virtual); + return; + } + } + dmxLog(dmxFatal, "Could not find configuration \"%s\" in \"%s\"\n", + dmxConfigCmd.config, dmxConfigCmd.filename); +} + +static void dmxConfigConfigInputs(void) +{ + DMXConfigListPtr pt; + + if (dmxNumInputs) return; + + if (dmxConfigCmd.inputs) { /* Use command line */ + for (pt = dmxConfigCmd.inputs; pt; pt = pt->next) + dmxConfigAddInput(pt->name, TRUE); + } else if (dmxNumScreens) { /* Use first display */ + dmxConfigAddInput(dmxScreens[0].name, TRUE); + } else { /* Use dummy */ + dmxConfigAddInput("dummy", TRUE); + } + + if (dmxConfigCmd.xinputs) { /* Non-core devices from command line */ + for (pt = dmxConfigCmd.xinputs; pt; pt = pt->next) + dmxConfigAddInput(pt->name, FALSE); + } +} + +/** Set up the appropriate global variables so that the DMX server will + * be initialized using the configuration specified in the config file + * and on the command line. */ +void dmxConfigConfigure(void) +{ + if (dmxConfigEntry) { + dmxConfigFreeEntry(dmxConfigEntry); + dmxConfigEntry = NULL; + } + if (dmxConfigCmd.filename) { + if (dmxConfigCmd.displays) + dmxLog(dmxWarning, + "Using configuration file \"%s\" instead of command line\n", + dmxConfigCmd.filename); + dmxConfigReadFile(dmxConfigCmd.filename, 0); + dmxConfigFromConfigFile(); + } else { + if (dmxConfigCmd.config) + dmxLog(dmxWarning, + "Configuration name (%s) without configuration file\n", + dmxConfigCmd.config); + dmxConfigFromCommandLine(); + } + dmxConfigConfigInputs(); +} + +/** This function determines the number of displays we WILL have and + * sets MAXSCREENS to that value. This is difficult since the number + * depends on the command line (which is easy to count) or on the config + * file, which has to be parsed. */ +void dmxConfigSetMaxScreens(void) +{ + static int processing = 0; + + if (processing) return; /* Prevent reentry via ProcessCommandLine */ + processing = 1; + if (dmxConfigCmd.filename) { + if (!dmxNumScreens) + dmxConfigConfigure(); +#ifndef MAXSCREENS + SetMaxScreens(dmxNumScreens); +#endif + } else +#ifndef MAXSCREENS + SetMaxScreens(dmxDisplaysFromCommandLine); +#endif + processing = 0; +} + +/** This macro is used to generate the following access methods: + * - dmxConfig{Set,Get}rules + * - dmxConfig{Set,Get}model + * - dmxConfig{Set,Get}layout + * - dmxConfig{Set,Get}variant + * - dmxConfig{Set,Get}options + * These methods are used to read and write information about the keyboard. */ + +#define GEN(param,glob,def) \ + void dmxConfigSet##glob(const char *param) { \ + if (dmx##glob) free((void *)dmx##glob); \ + dmx##glob = strdup(param); \ + } \ + char *dmxConfigGet##glob(void) { \ + return (char *)(dmx##glob ? dmx##glob : def); \ + } + +GEN(rules, XkbRules, DMX_DEFAULT_XKB_RULES) +GEN(model, XkbModel, DMX_DEFAULT_XKB_MODEL) +GEN(layout, XkbLayout, DMX_DEFAULT_XKB_LAYOUT) +GEN(variant, XkbVariant, DMX_DEFAULT_XKB_VARIANT) +GEN(options, XkbOptions, DMX_DEFAULT_XKB_OPTIONS) + |