Some mice have two wheels

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9088 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/input/kb_mouse_driver.h

@@ -111,7 +111,8 @@ typedef struct {
   int32 	clicks;
   int32 	modifiers;
   bigtime_t timestamp;
-  int32 	wheel_delta;
+  int32 	wheel_ydelta;
+  int32		wheel_xdelta;
 } mouse_movement;
 
 

src/add-ons/input_server/devices/mouse/Jamfile

@@ -7,3 +7,8 @@ Addon <input>mouse : input_server/devices :
 	: false 
 	: be <nogrist>input_server ;
 
+if $(COMPILE_FOR_R5) {
+} else {
+        LinkSharedOSLibs <input>mouse : <boot!home!config!lib>libopenbeos.so ;
+}
+

src/add-ons/input_server/devices/mouse/MouseInputDevice.cpp

@@ -371,6 +371,7 @@ MouseInputDevice::DeviceWatcher(void *arg)
 	BMessage *message;
 	char log[128];
 	while (dev->active) {
+		memset(&movements, 0, sizeof(movements));
 		if (ioctl(dev->driver_fd, kGetMouseMovements, &movements) < B_OK)
 			continue;
 		
@@ -418,12 +419,12 @@ MouseInputDevice::DeviceWatcher(void *arg)
 			}
 		}
 		
-		if (movements.wheel_delta != 0) {
+		if ((movements.wheel_ydelta != 0) || (movements.wheel_xdelta != 0)) {
 			message = new BMessage(B_MOUSE_WHEEL_CHANGED);
 			if (message) {
 				message->AddInt64("when", movements.timestamp);
-				message->AddFloat("be:wheel_delta_x", 0.0);
+				message->AddFloat("be:wheel_delta_x", movements.wheel_xdelta);
-				message->AddFloat("be:wheel_delta_y", movements.wheel_delta);
+				message->AddFloat("be:wheel_delta_y", movements.wheel_ydelta);
 				
 				sSingletonMouseDevice->EnqueueMessage(message);
 			}	

src/add-ons/kernel/drivers/input/hid/hid.c

@@ -512,7 +512,7 @@ interpret_ms_buffer(my_device_info *my_dev)
 					info.ydelta = -value;
 					break;
 				case USAGE_ID_WHEEL:
-					info.wheel_delta = -value;
+					info.wheel_ydelta = -value;
 					break;
 			}
 		}