[X11] Improved XI2Mouse implementation
Horizontal and vertical smooth scrolling is now supported. Movement axes are now correctly identified. Device hotplugging has been improved.
This commit is contained in:
thefiddler
parent
2b16a641f0
commit
bba9c8c26f
2 changed files with 254 additions and 131 deletions
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@ -1678,6 +1678,12 @@ namespace OpenTK.Platform.X11
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Scroll = 3,
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}
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enum XIScrollType
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{
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Vertical = 1,
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Horizontal = 2
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}
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struct XIDeviceInfo
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{
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public int deviceid;
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@ -1686,7 +1692,7 @@ namespace OpenTK.Platform.X11
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public int attachment;
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public Bool enabled;
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public int num_classes;
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public IntPtr classes; // XIAnyClassInfo **
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public IntPtr classes; // XIAnyClassInfo**
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}
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struct XIAnyClassInfo
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@ -1697,25 +1703,36 @@ namespace OpenTK.Platform.X11
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struct XIButtonClassInfo
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{
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public XIClassType type;
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public int sourceid;
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public int num_buttons;
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public IntPtr labels; // Atom*
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public XIButtonState state;
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}
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[StructLayout(LayoutKind.Sequential)]
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struct XIScrollClassInfo
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{
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public XIClassType type;
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public int sourceid;
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public int number;
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public XIScrollType scroll_type;
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public double increment;
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public int flags;
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}
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[StructLayout(LayoutKind.Sequential)]
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struct XIValuatorClassInfo
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{
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public Atom label;
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public double max;
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public double min;
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public int mode;
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public int number;
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public int resolution;
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public XIClassType type;
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public int sourceid;
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public int type;
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public int number;
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public IntPtr label;
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public double min;
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public double max;
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public double value;
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}
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struct XIScrollClassInfo
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{
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public int resolution;
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public int mode;
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}
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struct XIDeviceEvent
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@ -1751,14 +1768,14 @@ namespace OpenTK.Platform.X11
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public Bool send_event; /* true if this came from a SendEvent request */
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public IntPtr display; /* Display the event was read from */
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public int extension; /* XI extension offset */
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public XIEventType evtype; /* XI_RawKeyPress, XI_RawKeyRelease, etc. */
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public XIEventType evtype; /* XI_RawKeyPress, XI_RawKeyRelease, etc. */
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public Time time;
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public int deviceid;
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public int sourceid;
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public int detail;
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public int flags;
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public XIEventFlags flags;
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public XIValuatorState valuators;
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public IntPtr raw_values; // double *
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public IntPtr raw_values; // FP3232*
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}
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struct XIButtonState
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@ -40,15 +40,33 @@ namespace OpenTK.Platform.X11
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class XIMouse
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{
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public MouseState State;
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public XIDeviceInfo Info;
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public XIDeviceInfo DeviceInfo;
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public XIScrollClassInfo ScrollX = new XIScrollClassInfo { number = -1 };
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public XIScrollClassInfo ScrollY = new XIScrollClassInfo { number = -1 };
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public XIValuatorClassInfo MotionX = new XIValuatorClassInfo { number = -1 };
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public XIValuatorClassInfo MotionY = new XIValuatorClassInfo { number = -1 };
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}
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XIMouse master; // XIMouse for the mouse cursor
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// Atoms
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//static readonly IntPtr ButtonLeft;
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//static readonly IntPtr ButtonMiddle;
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////static readonly IntPtr ButtonRight;
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//static readonly IntPtr ButtonWheelUp;
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//static readonly IntPtr ButtonWheelDown;
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//static readonly IntPtr ButtonWheelLeft;
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//static readonly IntPtr ButtonWheelRight;
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static readonly IntPtr RelX;
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static readonly IntPtr RelY;
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//static readonly IntPtr RelHorizScroll;
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//static readonly IntPtr RelVertScroll;
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//static readonly IntPtr RelHorizWheel;
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//static readonly IntPtr RelVertWheel;
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List<XIMouse> devices = new List<XIMouse>(); // List of connected mice
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Dictionary<int, int> rawids = new Dictionary<int, int>(); // maps hardware device ids to XIMouse ids
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internal readonly X11WindowInfo window;
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internal static int XIOpCode { get; private set; }
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static bool supported;
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static readonly Functions.EventPredicate PredicateImpl = IsEventValid;
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readonly IntPtr Predicate = Marshal.GetFunctionPointerForDelegate(PredicateImpl);
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@ -63,6 +81,36 @@ namespace OpenTK.Platform.X11
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MouseWarp? mouse_warp_event;
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int mouse_warp_event_count;
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static XI2Mouse()
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{
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using (new XLock(API.DefaultDisplay))
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{
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// Mouse
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//ButtonLeft = Functions.XInternAtom(API.DefaultDisplay, "Button Left", false);
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//ButtonMiddle = Functions.XInternAtom(API.DefaultDisplay, "Button Middle", false);
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//ButtonRight = Functions.XInternAtom(API.DefaultDisplay, "Button Right", false);
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//ButtonWheelUp = Functions.XInternAtom(API.DefaultDisplay, "Button Wheel Up", false);
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//ButtonWheelDown = Functions.XInternAtom(API.DefaultDisplay, "Button Wheel Down", false);
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//ButtonWheelLeft = Functions.XInternAtom(API.DefaultDisplay, "Button Horiz Wheel Left", false);
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//ButtonWheelRight = Functions.XInternAtom(API.DefaultDisplay, "Button Horiz Wheel Right", false);
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RelX = Functions.XInternAtom(API.DefaultDisplay, "Rel X", false);
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RelY = Functions.XInternAtom(API.DefaultDisplay, "Rel Y", false);
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//RelHorizWheel = Functions.XInternAtom(API.DefaultDisplay, "Rel Horiz Wheel", false);
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//RelVertWheel = Functions.XInternAtom(API.DefaultDisplay, "Rel Vert Wheel", false);
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//RelHorizScroll = Functions.XInternAtom(API.DefaultDisplay, "Rel Horiz Scroll", false);
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//RelVertScroll = Functions.XInternAtom(API.DefaultDisplay, "Rel Vert Scroll", false);
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// Multitouch
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//TouchX = Functions.XInternAtom(API.DefaultDisplay, "Abs MT Position X", false);
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//TouchY = Functions.XInternAtom(API.DefaultDisplay, "Abs MT Position Y", false);
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//TouchMajor = Functions.XInternAtom(API.DefaultDisplay, "Abs MT Touch Major", false);
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//TouchMinor = Functions.XInternAtom(API.DefaultDisplay, "Abs MT Touch Minor", false);
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//TouchPressure = Functions.XInternAtom(API.DefaultDisplay, "Abs MT Pressure", false);
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//TouchId = Functions.XInternAtom(API.DefaultDisplay, "Abs MT Tracking ID", false);
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//TouchMaxContacts = Functions.XInternAtom(API.DefaultDisplay, "Max Contacts", false);
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}
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}
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public XI2Mouse()
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{
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Debug.WriteLine("Using XI2Mouse.");
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@ -84,9 +132,6 @@ namespace OpenTK.Platform.X11
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XIEventMasks.RawButtonPressMask |
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XIEventMasks.RawButtonReleaseMask |
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XIEventMasks.RawMotionMask |
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XIEventMasks.MotionMask |
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XIEventMasks.ButtonPressMask |
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XIEventMasks.ButtonReleaseMask |
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XIEventMasks.DeviceChangedMask))
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{
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XI.SelectEvents(window.Display, window.Handle, mask);
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@ -130,22 +175,81 @@ namespace OpenTK.Platform.X11
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unsafe
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{
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XIDeviceInfo* list = (XIDeviceInfo*)XI.QueryDevice(window.Display, 1, out count);
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Debug.Print("Refreshing mouse device list");
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Debug.Print("{0} mouse devices detected", count);
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for (int i = 0; i < count; i++)
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{
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if (devices.Count < i)
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if (devices.Count <= i)
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{
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devices.Add(new XIMouse());
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}
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XIMouse d = devices[i];
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d.State.SetIsConnected(true);
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d.Info = *(list + i);
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d.DeviceInfo = *(list + i);
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d.State.SetIsConnected(d.DeviceInfo.enabled);
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Debug.Print("Device {0} is {1} and has:",
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i, d.DeviceInfo.enabled ? "enabled" : "disabled");
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// Decode the XIDeviceInfo to axes, buttons and scroll types
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for (int j = 0; j < d.DeviceInfo.num_classes; j++)
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{
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XIAnyClassInfo* class_info = *((XIAnyClassInfo**)d.DeviceInfo.classes + j);
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switch (class_info->type)
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{
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case XIClassType.Button:
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{
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XIButtonClassInfo* button = (XIButtonClassInfo*)class_info;
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Debug.Print("\t{0} buttons", button->num_buttons);
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}
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break;
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case XIClassType.Scroll:
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{
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XIScrollClassInfo* scroll = (XIScrollClassInfo*)class_info;
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switch (scroll->scroll_type)
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{
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case XIScrollType.Vertical:
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Debug.WriteLine("\tSmooth vertical scrolling");
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d.ScrollY = *scroll;
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break;
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case XIScrollType.Horizontal:
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Debug.WriteLine("\tSmooth horizontal scrolling");
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d.ScrollX = *scroll;
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break;
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default:
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Debug.Print("\tUnknown scrolling type {0}", scroll->scroll_type);
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break;
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}
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}
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break;
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case XIClassType.Valuator:
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{
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XIValuatorClassInfo* valuator = (XIValuatorClassInfo*)class_info;
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if (valuator->label == RelX)
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{
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Debug.WriteLine("\tRelative X movement");
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d.MotionX = *valuator;
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}
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else if (valuator->label == RelY)
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{
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Debug.WriteLine("\tRelative Y movement");
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d.MotionY = *valuator;
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}
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}
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break;
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}
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}
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// Map the hardware device id to the current XIMouse id
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if (!rawids.ContainsKey(d.Info.deviceid))
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if (!rawids.ContainsKey(d.DeviceInfo.deviceid))
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{
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rawids.Add(d.Info.deviceid, 0);
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rawids.Add(d.DeviceInfo.deviceid, 0);
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}
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rawids[d.Info.deviceid] = i;
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rawids[d.DeviceInfo.deviceid] = i;
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}
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XI.FreeDeviceInfo((IntPtr)list);
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}
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@ -176,7 +280,19 @@ namespace OpenTK.Platform.X11
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public MouseState GetCursorState()
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{
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return master.State;
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IntPtr dummy;
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int x, y, dummy2;
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using (new XLock(window.Display))
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{
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Functions.XQueryPointer(window.Display, window.RootWindow,
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out dummy, out dummy, out x, out y,
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out dummy2, out dummy2, out dummy2);
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}
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MouseState master = GetState();
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master.X = x;
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master.Y = y;
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return master;
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}
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public void SetPosition(double x, double y)
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@ -235,13 +351,6 @@ namespace OpenTK.Platform.X11
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ProcessRawEvent(ref cookie);
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break;
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case XIEventType.Motion:
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case XIEventType.ButtonPress:
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case XIEventType.ButtonRelease:
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// Delivered only to the actual mouse cursor XIMouse instance
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ProcessEvent(ref cookie);
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break;
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case XIEventType.DeviceChanged:
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UpdateDevices();
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break;
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@ -252,125 +361,122 @@ namespace OpenTK.Platform.X11
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}
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}
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void ProcessEvent(ref XGenericEventCookie cookie)
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{
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XIDeviceEvent e = (XIDeviceEvent)
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Marshal.PtrToStructure(cookie.data, typeof(XIDeviceEvent));
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master.State.SetIsConnected(true);
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master.State.X = (int)Math.Round(e.root_x);
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master.State.Y = (int)Math.Round(e.root_y);
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}
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void ProcessRawEvent(ref XGenericEventCookie cookie)
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{
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XIRawEvent raw = (XIRawEvent)
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Marshal.PtrToStructure(cookie.data, typeof(XIRawEvent));
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if (!rawids.ContainsKey(raw.deviceid))
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unsafe
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{
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Debug.Print("Unknown mouse device {0} encountered, ignoring.", raw.deviceid);
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return;
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}
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XIRawEvent* raw = (XIRawEvent*)cookie.data;
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var d = devices[rawids[raw.deviceid]];
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if (!rawids.ContainsKey(raw->deviceid))
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{
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Debug.Print("Unknown mouse device {0} encountered, ignoring.", raw->deviceid);
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return;
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}
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switch (raw.evtype)
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{
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case XIEventType.RawMotion:
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double x = 0, y = 0;
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double h = 0, v = 0;
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for (int i = 0; i < d.Info.num_classes; i++)
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{
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unsafe
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var d = devices[rawids[raw->deviceid]];
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switch (raw->evtype)
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{
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case XIEventType.RawMotion:
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{
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XIAnyClassInfo* info = (XIAnyClassInfo*)d.Info.classes + i;
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switch (info->type)
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// Check if this event contains position information
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// Note: we use the raw values here, without pointer
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// ballistics and any other modification.
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double x = 0, y = 0;
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if (IsBitSet(raw->valuators.mask, d.MotionX.number))
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{
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case XIClassType.Valuator:
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{
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XIValuatorClassInfo* n = (XIValuatorClassInfo*)info;
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}
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break;
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x = *((double*)raw->raw_values + d.MotionX.number);
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}
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if (IsBitSet(raw->valuators.mask, d.MotionY.number))
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{
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y = *((double*)raw->raw_values + d.MotionY.number);
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}
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d.State.X += (int)Math.Round(x);
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d.State.Y += (int)Math.Round(y);
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// Check if this event contains scrolling information
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// Note: we use transformed (valuator) values here,
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// because they seem to make more sense compared to
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// the raw values (the XI2 docs are pretty scarce on
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// how to use the raw values for scrolling.)
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double h = 0, v = 0;
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bool is_emulated = (raw->flags & XIEventFlags.PointerEmulated) != 0;
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if (!is_emulated && IsBitSet(raw->valuators.mask, d.ScrollX.number))
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{
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h = *((double*)raw->valuators.values + d.ScrollX.number) / d.ScrollX.increment;
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if (Double.IsInfinity(h))
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{
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Debug.WriteLine("[XI2] Mouse horizontal scroll was infinity.");
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h = 0;
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}
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}
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if (!is_emulated && IsBitSet(raw->valuators.mask, d.ScrollY.number))
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{
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v = *((double*)raw->valuators.values + d.ScrollY.number) / d.ScrollY.increment;
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if (Double.IsInfinity(v))
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{
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Debug.WriteLine("[XI2] Mouse horizontal scroll was infinity.");
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v = 0;
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}
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}
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d.State.SetScrollRelative((float)h, (float)v);
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}
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}
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break;
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if (IsBitSet(raw.valuators.mask, 0))
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{
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x = BitConverter.Int64BitsToDouble(Marshal.ReadInt64(raw.raw_values, 0));
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}
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if (IsBitSet(raw.valuators.mask, 1))
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{
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y = BitConverter.Int64BitsToDouble(Marshal.ReadInt64(raw.raw_values, 8));
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}
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break;
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/*
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if (!CheckMouseWarp(x, y))
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{
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state.X += (int)x;
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state.Y += (int)y;
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}
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break;
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case XIEventType.RawButtonPress:
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switch (raw->detail)
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{
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case 1: d.State.EnableBit((int)MouseButton.Left); break;
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case 2: d.State.EnableBit((int)MouseButton.Middle); break;
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case 3: d.State.EnableBit((int)MouseButton.Right); break;
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case 6: d.State.EnableBit((int)MouseButton.Button1); break;
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case 7: d.State.EnableBit((int)MouseButton.Button2); break;
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case 8: d.State.EnableBit((int)MouseButton.Button3); break;
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case 9: d.State.EnableBit((int)MouseButton.Button4); break;
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case 10: d.State.EnableBit((int)MouseButton.Button5); break;
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case 11: d.State.EnableBit((int)MouseButton.Button6); break;
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case 12: d.State.EnableBit((int)MouseButton.Button7); break;
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case 13: d.State.EnableBit((int)MouseButton.Button8); break;
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case 14: d.State.EnableBit((int)MouseButton.Button9); break;
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}
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break;
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case XIEventType.RawButtonPress:
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switch (raw.detail)
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{
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case 1: state.EnableBit((int)MouseButton.Left); break;
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case 2: state.EnableBit((int)MouseButton.Middle); break;
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case 3: state.EnableBit((int)MouseButton.Right); break;
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case 4: state.SetScrollRelative(0, 1); break;
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case 5: state.SetScrollRelative(0, -1); break;
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case 6: state.EnableBit((int)MouseButton.Button1); break;
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case 7: state.EnableBit((int)MouseButton.Button2); break;
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case 8: state.EnableBit((int)MouseButton.Button3); break;
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case 9: state.EnableBit((int)MouseButton.Button4); break;
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case 10: state.EnableBit((int)MouseButton.Button5); break;
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case 11: state.EnableBit((int)MouseButton.Button6); break;
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case 12: state.EnableBit((int)MouseButton.Button7); break;
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case 13: state.EnableBit((int)MouseButton.Button8); break;
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case 14: state.EnableBit((int)MouseButton.Button9); break;
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}
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break;
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case XIEventType.RawButtonRelease:
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switch (raw.detail)
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{
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case 1: state.DisableBit((int)MouseButton.Left); break;
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case 2: state.DisableBit((int)MouseButton.Middle); break;
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case 3: state.DisableBit((int)MouseButton.Right); break;
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case 6: state.DisableBit((int)MouseButton.Button1); break;
|
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case 7: state.DisableBit((int)MouseButton.Button2); break;
|
||||
case 8: state.DisableBit((int)MouseButton.Button3); break;
|
||||
case 9: state.DisableBit((int)MouseButton.Button4); break;
|
||||
case 10: state.DisableBit((int)MouseButton.Button5); break;
|
||||
case 11: state.DisableBit((int)MouseButton.Button6); break;
|
||||
case 12: state.DisableBit((int)MouseButton.Button7); break;
|
||||
case 13: state.DisableBit((int)MouseButton.Button8); break;
|
||||
case 14: state.DisableBit((int)MouseButton.Button9); break;
|
||||
}
|
||||
break;*/
|
||||
case XIEventType.RawButtonRelease:
|
||||
switch (raw->detail)
|
||||
{
|
||||
case 1: d.State.DisableBit((int)MouseButton.Left); break;
|
||||
case 2: d.State.DisableBit((int)MouseButton.Middle); break;
|
||||
case 3: d.State.DisableBit((int)MouseButton.Right); break;
|
||||
case 6: d.State.DisableBit((int)MouseButton.Button1); break;
|
||||
case 7: d.State.DisableBit((int)MouseButton.Button2); break;
|
||||
case 8: d.State.DisableBit((int)MouseButton.Button3); break;
|
||||
case 9: d.State.DisableBit((int)MouseButton.Button4); break;
|
||||
case 10: d.State.DisableBit((int)MouseButton.Button5); break;
|
||||
case 11: d.State.DisableBit((int)MouseButton.Button6); break;
|
||||
case 12: d.State.DisableBit((int)MouseButton.Button7); break;
|
||||
case 13: d.State.DisableBit((int)MouseButton.Button8); break;
|
||||
case 14: d.State.DisableBit((int)MouseButton.Button9); break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
//mice[rawids[raw.deviceid]] = state;
|
||||
}
|
||||
|
||||
static bool IsEventValid(IntPtr display, ref XEvent e, IntPtr arg)
|
||||
{
|
||||
return e.GenericEventCookie.extension == arg.ToInt32() &&
|
||||
(e.GenericEventCookie.evtype == (int)XIEventType.RawMotion ||
|
||||
return
|
||||
(long)e.GenericEventCookie.extension == arg.ToInt64() &&
|
||||
e.GenericEventCookie.evtype == (int)XIEventType.RawMotion ||
|
||||
e.GenericEventCookie.evtype == (int)XIEventType.RawButtonPress ||
|
||||
e.GenericEventCookie.evtype == (int)XIEventType.RawButtonRelease ||
|
||||
e.GenericEventCookie.evtype == (int)XIEventType.Motion ||
|
||||
e.GenericEventCookie.evtype == (int)XIEventType.ButtonPress ||
|
||||
e.GenericEventCookie.evtype == (int)XIEventType.ButtonRelease);
|
||||
e.GenericEventCookie.evtype == (int)XIEventType.DeviceChanged;
|
||||
}
|
||||
|
||||
static bool IsBitSet(IntPtr mask, int bit)
|
||||
{
|
||||
unsafe
|
||||
{
|
||||
return (*((byte*)mask + (bit >> 3)) & (1 << (bit & 7))) != 0;
|
||||
return bit >= 0 && (*((byte*)mask + (bit >> 3)) & (1 << (bit & 7))) != 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue