diff options
Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86Xinput.c')
| -rw-r--r-- | xorg-server/hw/xfree86/common/xf86Xinput.c | 234 |
1 files changed, 157 insertions, 77 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86Xinput.c b/xorg-server/hw/xfree86/common/xf86Xinput.c index 2d82ccdbc..845bde87a 100644 --- a/xorg-server/hw/xfree86/common/xf86Xinput.c +++ b/xorg-server/hw/xfree86/common/xf86Xinput.c @@ -80,6 +80,9 @@ #ifdef HAVE_FNMATCH_H
#include <fnmatch.h>
#endif
+#ifdef HAVE_SYS_UTSNAME_H
+#include <sys/utsname.h>
+#endif
#include "extnsionst.h"
@@ -278,9 +281,9 @@ xf86SendDragEvents(DeviceIntPtr device) LocalDevicePtr local = (LocalDevicePtr) device->public.devicePrivate;
if (device->button && device->button->buttonsDown > 0)
- return (local->flags & XI86_SEND_DRAG_EVENTS);
+ return local->flags & XI86_SEND_DRAG_EVENTS;
else
- return (TRUE);
+ return TRUE;
}
/***********************************************************************
@@ -497,73 +500,152 @@ AddOtherInputDevices(void) }
/*
- * Classes without any Match statements match all devices. Otherwise, all
- * statements must match.
+ * Get the operating system name from uname and store it statically to avoid
+ * repeating the system call each time MatchOS is checked.
*/
-static Bool
-InputClassMatches(XF86ConfInputClassPtr iclass, InputAttributes *attrs)
+static const char *
+HostOS(void)
{
- char **cur;
- Bool match;
-
- if (iclass->match_product) {
- if (!attrs->product)
- return FALSE;
- /* see if any of the values match */
- for (cur = iclass->match_product, match = FALSE; *cur; cur++)
- if (strstr(attrs->product, *cur)) {
- match = TRUE;
- break;
- }
- if (!match)
- return FALSE;
- }
- if (iclass->match_vendor) {
- if (!attrs->vendor)
- return FALSE;
- /* see if any of the values match */
- for (cur = iclass->match_vendor, match = FALSE; *cur; cur++)
- if (strstr(attrs->vendor, *cur)) {
- match = TRUE;
- break;
- }
- if (!match)
- return FALSE;
+#ifdef HAVE_SYS_UTSNAME_H
+ struct utsname name;
+ static char host_os[sizeof(name.sysname)] = "";
+
+ if (*host_os == '\0') {
+ if (uname(&name) >= 0)
+ strcpy(host_os, name.sysname);
+ else {
+ strncpy(host_os, "unknown", sizeof(host_os));
+ host_os[sizeof(host_os)-1] = '\0';
+ }
}
- if (iclass->match_device) {
- if (!attrs->device)
- return FALSE;
- /* see if any of the values match */
- for (cur = iclass->match_device, match = FALSE; *cur; cur++)
+ return host_os;
+#else
+ return "";
+#endif
+}
+
+static int
+match_substring(const char *attr, const char *pattern)
+{
+ return (strstr(attr, pattern)) ? 0 : -1;
+}
+
+#ifdef HAVE_FNMATCH_H
+static int
+match_pattern(const char *attr, const char *pattern)
+{
+ return fnmatch(pattern, attr, 0);
+}
+#else
+#define match_pattern match_substring
+#endif
+
#ifdef HAVE_FNMATCH_H
- if (fnmatch(*cur, attrs->device, FNM_PATHNAME) == 0) {
+static int
+match_path_pattern(const char *attr, const char *pattern)
+{
+ return fnmatch(pattern, attr, FNM_PATHNAME);
+}
#else
- if (strstr(attrs->device, *cur)) {
+#define match_path_pattern match_substring
#endif
+
+/*
+ * Match an attribute against a list of NULL terminated arrays of patterns.
+ * If a pattern in each list entry is matched, return TRUE.
+ */
+static Bool
+MatchAttrToken(const char *attr, struct list *patterns,
+ int (*compare)(const char *attr, const char *pattern))
+{
+ const xf86MatchGroup *group;
+
+ /* If there are no patterns, accept the match */
+ if (list_is_empty(patterns))
+ return TRUE;
+
+ /* If there are patterns but no attribute, reject the match */
+ if (!attr)
+ return FALSE;
+
+ /*
+ * Otherwise, iterate the list of patterns ensuring each entry has a
+ * match. Each list entry is a separate Match line of the same type.
+ */
+ list_for_each_entry(group, patterns, entry) {
+ char * const *cur;
+ Bool match = FALSE;
+
+ for (cur = group->values; *cur; cur++)
+ if ((*compare)(attr, *cur) == 0) {
match = TRUE;
break;
}
if (!match)
return FALSE;
}
- if (iclass->match_tag) {
+
+ /* All the entries in the list matched the attribute */
+ return TRUE;
+}
+
+/*
+ * Classes without any Match statements match all devices. Otherwise, all
+ * statements must match.
+ */
+static Bool
+InputClassMatches(const XF86ConfInputClassPtr iclass, const IDevPtr idev,
+ const InputAttributes *attrs)
+{
+ /* MatchProduct substring */
+ if (!MatchAttrToken(attrs->product, &iclass->match_product, match_substring))
+ return FALSE;
+
+ /* MatchVendor substring */
+ if (!MatchAttrToken(attrs->vendor, &iclass->match_vendor, match_substring))
+ return FALSE;
+
+ /* MatchDevicePath pattern */
+ if (!MatchAttrToken(attrs->device, &iclass->match_device, match_path_pattern))
+ return FALSE;
+
+ /* MatchOS case-insensitive string */
+ if (!MatchAttrToken(HostOS(), &iclass->match_os, strcasecmp))
+ return FALSE;
+
+ /* MatchPnPID pattern */
+ if (!MatchAttrToken(attrs->pnp_id, &iclass->match_pnpid, match_pattern))
+ return FALSE;
+
+ /* MatchUSBID pattern */
+ if (!MatchAttrToken(attrs->usb_id, &iclass->match_usbid, match_pattern))
+ return FALSE;
+
+ /* MatchDriver string */
+ if (!MatchAttrToken(idev->driver, &iclass->match_driver, strcmp))
+ return FALSE;
+
+ /*
+ * MatchTag string
+ * See if any of the device's tags match any of the MatchTag tokens.
+ */
+ if (!list_is_empty(&iclass->match_tag)) {
+ char * const *tag;
+ Bool match;
+
if (!attrs->tags)
return FALSE;
-
- for (cur = iclass->match_tag, match = FALSE; *cur && !match; cur++) {
- char * const *tag;
- for(tag = attrs->tags; *tag; tag++) {
- if (!strcmp(*tag, *cur)) {
- match = TRUE;
- break;
- }
+ for (tag = attrs->tags, match = FALSE; *tag; tag++) {
+ if (MatchAttrToken(*tag, &iclass->match_tag, strcmp)) {
+ match = TRUE;
+ break;
}
}
-
if (!match)
return FALSE;
}
+ /* MatchIs* booleans */
if (iclass->is_keyboard.set &&
iclass->is_keyboard.val != !!(attrs->flags & ATTR_KEYBOARD))
return FALSE;
@@ -582,6 +664,7 @@ InputClassMatches(XF86ConfInputClassPtr iclass, InputAttributes *attrs) if (iclass->is_touchscreen.set &&
iclass->is_touchscreen.val != !!(attrs->flags & ATTR_TOUCHSCREEN))
return FALSE;
+
return TRUE;
}
@@ -591,37 +674,36 @@ InputClassMatches(XF86ConfInputClassPtr iclass, InputAttributes *attrs) * well as any previous InputClass sections.
*/
static int
-MergeInputClasses(IDevPtr idev, InputAttributes *attrs)
+MergeInputClasses(const IDevPtr idev, const InputAttributes *attrs)
{
XF86ConfInputClassPtr cl;
- XF86OptionPtr classopts, mergedopts = NULL;
- char *classdriver = NULL;
+ XF86OptionPtr classopts;
for (cl = xf86configptr->conf_inputclass_lst; cl; cl = cl->list.next) {
- if (!InputClassMatches(cl, attrs))
+ if (!InputClassMatches(cl, idev, attrs))
continue;
- /* Collect class options and merge over previous classes */
+ /* Collect class options and driver settings */
+ classopts = xf86optionListDup(cl->option_lst);
+ if (cl->driver) {
+ free(idev->driver);
+ idev->driver = xstrdup(cl->driver);
+ if (!idev->driver) {
+ xf86Msg(X_ERROR, "Failed to allocate memory while merging "
+ "InputClass configuration");
+ return BadAlloc;
+ }
+ classopts = xf86ReplaceStrOption(classopts, "driver",
+ idev->driver);
+ }
+
+ /* Apply options to device with InputClass settings preferred. */
xf86Msg(X_CONFIG, "%s: Applying InputClass \"%s\"\n",
idev->identifier, cl->identifier);
- if (cl->driver)
- classdriver = cl->driver;
- classopts = xf86optionListDup(cl->option_lst);
- mergedopts = xf86optionListMerge(mergedopts, classopts);
+ idev->commonOptions = xf86optionListMerge(idev->commonOptions,
+ classopts);
}
- /* Apply options to device with InputClass settings preferred. */
- if (classdriver) {
- free(idev->driver);
- idev->driver = xstrdup(classdriver);
- if (!idev->driver) {
- xf86Msg(X_ERROR, "Failed to allocate memory while merging "
- "InputClass configuration");
- return BadAlloc;
- }
- mergedopts = xf86ReplaceStrOption(mergedopts, "driver", idev->driver);
- }
- idev->commonOptions = xf86optionListMerge(idev->commonOptions, mergedopts);
return Success;
}
@@ -630,14 +712,14 @@ MergeInputClasses(IDevPtr idev, InputAttributes *attrs) * value of the last matching class and holler when returning TRUE.
*/
static Bool
-IgnoreInputClass(IDevPtr idev, InputAttributes *attrs)
+IgnoreInputClass(const IDevPtr idev, const InputAttributes *attrs)
{
XF86ConfInputClassPtr cl;
Bool ignore = FALSE;
const char *ignore_class;
for (cl = xf86configptr->conf_inputclass_lst; cl; cl = cl->list.next) {
- if (!InputClassMatches(cl, attrs))
+ if (!InputClassMatches(cl, idev, attrs))
continue;
if (xf86findOption(cl->option_lst, "Ignore")) {
ignore = xf86CheckBoolOption(cl->option_lst, "Ignore", FALSE);
@@ -844,10 +926,8 @@ NewInputDeviceRequest (InputOption *options, InputAttributes *attrs, unwind:
if (is_auto && !xf86Info.autoAddDevices)
xf86Msg(X_INFO, "AutoAddDevices is off - not adding device.\n");
- if(idev->driver)
- free(idev->driver);
- if(idev->identifier)
- free(idev->identifier);
+ free(idev->driver);
+ free(idev->identifier);
xf86optionListFree(idev->commonOptions);
free(idev);
return rval;
@@ -1195,7 +1275,7 @@ xf86ScaleAxis(int Cx, if (X < Sxlow)
X = Sxlow;
- return (X);
+ return X;
}
/*
|