Initial commit of Linux plugin

git-svn-id: file:///home/sven/projects/JOGL/git-svn/svn-server-sync/jinput/trunk@23 e343933a-64c8-49c5-92b1-88f2ce3e89e8

1 files changed, 131 insertions, 0 deletions

diff --git a/plugins/linux/src/native/eventInterface.cpp b/plugins/linux/src/native/eventInterface.cpp
new file mode 100644
index 0000000..303c667
--- /dev/null
+++ b/plugins/linux/src/native/eventInterface.cpp
@@ -0,0 +1,131 @@
+/**
+ * Copyright (C) 2003 Jeremy Booth ([email protected])
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this 
+ * list of conditions and the following disclaimer. Redistributions in binary 
+ * form must reproduce the above copyright notice, this list of conditions and 
+ * the following disclaimer in the documentation and/or other materials provided
+ * with the distribution. 
+ * The name of the author may not be used to endorse or promote products derived
+ * from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+ */
+
+#include <sys/dir.h>
+#include <stdio.h>
+#include <dirent.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <linux/input.h>
+#include <string.h>
+#include <malloc.h>
+#include <unistd.h>
+#include "Device.h"
+#include "EventDevice.h"
+
+int evNumDevices;
+int eventInterfaceVersion;
+Device **evDeviceList;
+int evInited = 0;
+
+int evFileFilter(const struct direct *entry) {
+  if (strncmp(entry->d_name, "event", 5) == 0) {
+    return 1;
+  }
+    return 0;
+  }
+
+int evGetDeviceFiles(char ***filenames) {
+  struct direct **files;
+  int num_files, i;
+  char dirName[] = {"/dev/input"};
+
+  num_files = scandir(dirName, &files, &evFileFilter, alphasort);
+
+  *filenames = (char **)malloc(num_files * sizeof(char *));
+
+  for(i=0;i<num_files;i++) {
+    char *filename = files[i]->d_name;
+    char *fullFileName;
+
+    fullFileName = (char *)malloc((strlen(dirName) + 1 + strlen(filename) + 1));
+    sprintf(fullFileName, "%s/%s", dirName, filename);
+    (*filenames)[i] = fullFileName;
+  }
+
+  return num_files;
+}
+
+int evInit() {
+  int fd=-1;
+  int i;
+  char **deviceFileNames;
+  int numDeviceFiles;
+
+  numDeviceFiles = evGetDeviceFiles(&deviceFileNames);
+  if(numDeviceFiles<0) {
+    return -1;
+  }
+  
+  if ((fd = open(deviceFileNames[0], O_RDONLY)) <0) {
+    return -1;
+  }
+
+  if (ioctl(fd, EVIOCGVERSION, &eventInterfaceVersion)) {
+    close(fd);
+    return -1;
+  }
+
+  close(fd);
+
+  Device *tempDeviceList[numDeviceFiles];
+ 
+  evNumDevices = 0;
+  for(i=0;i<numDeviceFiles;i++) {
+    tempDeviceList[i] = new EventDevice(deviceFileNames[i]);
+    if(tempDeviceList[i]->getBusType()!=-1) {
+      evNumDevices++;
+    }
+  }
+
+  // Now we know for certain which devices are open, we can take notes
+  evDeviceList = (Device **)malloc(evNumDevices * sizeof(Device *));
+  for(i=0;i<evNumDevices;i++) {
+    evDeviceList[i] = tempDeviceList[i];
+  }
+
+  evInited=1;
+
+  return 0;
+}
+
+int evGetEventInterfaceVersionNumber() {
+  return eventInterfaceVersion;
+}
+
+int evGetNumberDevices() {
+  if(evInited) {
+    return evNumDevices;
+  }
+  return -1;
+}
+
+void evGetDevices(Device **theirDeviceList) {
+  int i;
+  for(i=0;i<evNumDevices;i++) {
+    theirDeviceList[i] = evDeviceList[i];
+  }
+}