Added some part from BSerialPort and some missing things R5 Joystick Pref app reports as missing, with this R5 Joystick Pref App starts in Haiku

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25864 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kits/device/Jamfile

@@ -1,5 +1,7 @@
 SubDir HAIKU_TOP src kits device ;
 
+SetSubDirSupportedPlatformsBeOSCompatible ;
+
 # for usb_raw.h that defines the ioctl protocol used by the USB classes
 UseHeaders [ FDirName $(HAIKU_TOP) src add-ons kernel drivers bus usb ] : true ;
 

src/kits/device/Joystick.cpp

@@ -1,24 +1,104 @@
-/* 
+/*
- * Copyright 2002, Marcus Overhagen. All rights reserved.
+ * Copyright 2002-2008, Marcus Overhagen, Stefano Ceccherini, Fredrik Modéen.
+ * All rights reserved.
  * Distributed under the terms of the MIT License.
  */
 
 #include <Joystick.h>
+#include <List.h>
+#include <Entry.h>
+#include <Path.h>
+#include <Directory.h>
+
+#include <String.h>
+#include <Debug.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+
+#define DEVICEPATH "/dev/joystick/"
+
+typedef struct _joystick_info {
+	char			module_name[64];
+	char			device_name[64];
+	int16			num_axes;
+	int16			num_buttons;
+	int16			num_hats;
+	uint16			num_sticks;
+} joystick_info;
+
+//Scans a directory and adds the entries it founds as strings to the given list
+static status_t
+scan_directory(const char* rootPath, BList *list, BEntry *rootEntry = NULL)
+{	
+	BDirectory root;
+
+	if (rootEntry != NULL)
+		root.SetTo( rootEntry);
+	else if (rootPath != NULL)
+		root.SetTo(rootPath);
+	else
+		return B_ERROR;
+		
+	BEntry entry;
+	
+	ASSERT(list != NULL);
+	while ((root.GetNextEntry(&entry)) > B_ERROR ) {
+		if (entry.IsDirectory()) {
+			scan_directory(rootPath, list, &entry);
+		} else {
+			BPath path;
+			entry.GetPath(&path);
+			BString str(path.Path());
+			str.RemoveFirst(rootPath);
+			list->AddItem(strdup(str.String()));
+		}
+	}
+	return B_OK;
+}
+
+class _BJoystickTweaker {
+
+public:
+					_BJoystickTweaker();
+					_BJoystickTweaker(BJoystick &stick);
+virtual				~_BJoystickTweaker();
+
+protected:
+private:
+		status_t	scan_including_disabled();
+		status_t	save_config(const entry_ref * ref = NULL);
+		status_t	get_info();
+		BJoystick* fJoystick;
+};
+//-------------------------------------------------------------------//
+
 
 BJoystick::BJoystick()
+	: _mBeBoxMode(false)
+	, _fDevices(new BList)
 {
+	ScanDevices();
 }
 
 
 BJoystick::~BJoystick()
 {
+	if (ffd >= 0)
+		close(ffd);
+	
+	for (int32 count = _fDevices->CountItems() - 1; count >= 0; count--)
+		free(_fDevices->RemoveItem(count));
+	
+	delete _fDevices;
 }
 
 
 status_t
 BJoystick::Open(const char *portName)
 {
-	return B_ERROR;
+	return Open(portName, true);
 }
 
 
@@ -26,13 +106,95 @@ status_t
 BJoystick::Open(const char *portName,
 				bool enter_enhanced)
 {
-	return B_ERROR;
+	char buf[64];
+	
+	//We don't want to use enhanced mode but _mBeBoxMode sugest if we use 
+	//BeBoxMode
+	if(!enter_enhanced)
+		_mBeBoxMode = !enter_enhanced;
+	
+	if (portName == NULL)
+		return B_BAD_VALUE; // Heheee, we won't crash
+		
+	if (portName[0] != '/') 
+		snprintf(buf, 64, DEVICEPATH"/%s", portName);
+	else
+		// A name like "/dev/joystick/usb/0" was passed
+		snprintf(buf, 64, "%s", portName);
+		
+	if (ffd >= 0) //If this port is already open, close it
+		close(ffd);
+ 
+	// TODO: BeOS don't use O_EXCL, and this seems to lead to some issues. I
+	// added this flag having read some comments by Marco Nelissen on the 
+	// annotated BeBook. I think BeOS uses O_RDWR|O_NONBLOCK here.
+	ffd = open(buf, O_RDWR | O_NONBLOCK | O_EXCL); 
+	
+	if (ffd >= 0) {
+		// we used open() with O_NONBLOCK flag to let it return immediately, 
+		// but we want read/write operations to block if needed, so we clear 
+		// that bit here.
+		int flags = fcntl(ffd, F_GETFL);
+		fcntl(ffd, F_SETFL, flags & ~O_NONBLOCK);
+				
+		//DriverControl();
+	}
+	// TODO: I wonder why the return type is a status_t, 
+	// since we (as BeOS does) return the descriptor number for the device... 
+	return (ffd >= 0) ? ffd : errno;
 }
 
 
 void
 BJoystick::Close(void)
 {
+	if (ffd >= 0)
+		close(ffd);
+	ffd = -1;
+}
+
+
+void
+BJoystick::ScanDevices(bool use_disabled = false)
+{
+	// First, we empty the list
+	for (int32 count = _fDevices->CountItems() - 1; count >= 0; count--)
+		free(_fDevices->RemoveItem(count));
+	
+	// Add devices to the list
+	scan_directory(DEVICEPATH, _fDevices);		
+}
+
+
+int32
+BJoystick::CountDevices()
+{
+	int32 count = 0;
+	
+	// Refresh devices list
+	ScanDevices();
+	
+	if (_fDevices != NULL)
+		count = _fDevices->CountItems();
+	
+	return count;
+}
+
+
+status_t
+BJoystick::GetDeviceName(int32 n, char *name, size_t bufSize)
+{
+	status_t result = B_ERROR;
+	const char *dev = NULL;
+	if (_fDevices != NULL)
+		dev = static_cast<char*>(_fDevices->ItemAt(n));
+
+	if (dev != NULL && name != NULL) {
+		strncpy(name, dev, bufSize);
+		name[bufSize - 1] = '\0';
+		result = B_OK;
+	}
+	return result;
 }
 
 
@@ -50,26 +212,11 @@ BJoystick::SetMaxLatency(bigtime_t max_latency)
 }
 
 
-int32
-BJoystick::CountDevices()
-{
-	return 0;
-}
-
-
-status_t
-BJoystick::GetDeviceName(int32 n,
-						 char *name,
-						 size_t bufSize)
-{
-	return B_ERROR;
-}
-
-
 bool
 BJoystick::EnterEnhancedMode(const entry_ref *ref)
 {
-	return false;
+	_mBeBoxMode = false;
+	return !_mBeBoxMode;
 }
 
 
@@ -196,42 +343,50 @@ BJoystick::save_config(const entry_ref *ref)
 }
 
 
-void
+/* These functions are here to maintain Binary Compatibility */ 
-BJoystick::_ReservedJoystick1()
+void BJoystick::_ReservedJoystick1() {}
+void BJoystick::_ReservedJoystick2() {}
+void BJoystick::_ReservedJoystick3() {}
+status_t BJoystick::_Reserved_Joystick_4(void *, ...) {return B_ERROR;}
+status_t BJoystick::_Reserved_Joystick_5(void *, ...) {return B_ERROR;}
+status_t BJoystick::_Reserved_Joystick_6(void *, ...) {return B_ERROR;}
+
+
+//-------------------------------------------------------------------//
+
+
+_BJoystickTweaker::_BJoystickTweaker()
 {
 }
 
 
-void
+_BJoystickTweaker::_BJoystickTweaker(BJoystick &stick)
-BJoystick::_ReservedJoystick2()
 {
+	fJoystick = &stick;
 }
 
 
-void
+_BJoystickTweaker::~_BJoystickTweaker()
-BJoystick::_ReservedJoystick3()
 {
 }
 
 
 status_t
-BJoystick::_Reserved_Joystick_4(void *, ...)
+_BJoystickTweaker::save_config(const entry_ref *ref)
 {
 	return B_ERROR;
 }
 
 
 status_t
-BJoystick::_Reserved_Joystick_5(void *, ...)
+_BJoystickTweaker::scan_including_disabled()
 {
 	return B_ERROR;
 }
 
 
 status_t
-BJoystick::_Reserved_Joystick_6(void *, ...)
+_BJoystickTweaker::get_info()
 {
 	return B_ERROR;
 }
-
-