Linux Manuals session 3

XIQueryVersion – announce and query the support XI2 version. Synopsis#include <X11/extensions/XInput2.h>Status XIQueryVersion( Display *display, int *major_version_inout, int *minor_version_inout);display Specifies the connection to the X server.major_version_inout Specifies the client’s supported XI2 version, and returns the server’s supported version.minor_version_inout Specifies the client’s supported XI2 version, and returns the server’s supported version.DescriptionXIQueryVersion announces the client’s supported XI2 version…

XIQueryPointer – get device pointer coordinates. Synopsis#include <X11/extensions/XInput2.h>Bool XIQueryPointer( Display *display, int deviceid, Window win, Window *root_return, Window *child_return, double *root_x_return, double *root_y_return, double *win_x_return, double *win_y_return, XIButtonState *buttons_return, XIModifierState *modifiers_return, XIGroupState *group_return);buttons_return Returns the current button state.child_return Returns the child window that the pointer is located in, if any.deviceid Specifies the device to query.display…

XIQueryDevice, XIFreeDeviceInfo – get information about devices. Synopsis#include <X11/extensions/XInput2.h>XIDeviceInfo* XIQueryDevice( Display *display, int deviceid, int *ndevices_return);XIFreeDeviceInfo( XIDeviceInfo *info);deviceid Specifies the device to query or XIAllDevices or XIAllMasterDevices.display Specifies the connection to the X server.ndevices_return Returns the number of devices returned.info A list of device XIDeviceInfo structs to be freed.DescriptionThe XIQueryDevice returns information about one or…

XCreateIC, XDestroyIC, XIMOfIC – create, destroy, and obtain the input method of an input context SyntaxXIC XCreateIC(XIM im, …); void XDestroyIC(XIC ic); XIM XIMOfIC(XIC ic);Argumentsic Specifies the input context. im Specifies the input method. … Specifies the variable length argument list to set XIC values.DescriptionThe XCreateIC function creates a context within the specified input method….

XIListProperties – List a device’s properties. Synopsis#include <X11/extensions/XInput2.h>Atom* XListProperties( Display *display, int deviceid, int *nprops_return);display Specifies the connection to the X server.deviceid The device to list the properties for.nprops_return Specifies the number of Atoms returned.DescriptionThe XIListProperties function returns a list of the properties associated with the input device specified with deviceid. Each device may have…

XIGrabButton, XIUngrabButton, XIGrabKeycode, XIUngrabKeycode, XIGrabTouchBegin, XIUngrabTouchBegin – grab/ungrab buttons or keys Synopsis#include <X11/extensions/XInput2.h>int XIGrabButton( Display *display, int deviceid, int button, Window grab_window, Cursor cursor, int grab_mode, int paired_device_mode, Bool owner_events, XIEventMask *mask, int num_modifiers, XIGrabModifiers *modifiers_inout);int XIUngrabButton( Display *display, int deviceid, int button, Window grab_window, int num_modifiers, XIGrabModifiers *modifiers);int XIGrabKeycode( Display *display, int deviceid, int…

XIGrabButton, XIUngrabButton, XIGrabKeycode, XIUngrabKeycode, XIGrabTouchBegin, XIUngrabTouchBegin – grab/ungrab buttons or keys Synopsis#include <X11/extensions/XInput2.h>int XIGrabButton( Display *display, int deviceid, int button, Window grab_window, Cursor cursor, int grab_mode, int paired_device_mode, Bool owner_events, XIEventMask *mask, int num_modifiers, XIGrabModifiers *modifiers_inout);int XIUngrabButton( Display *display, int deviceid, int button, Window grab_window, int num_modifiers, XIGrabModifiers *modifiers);int XIGrabKeycode( Display *display, int deviceid, int…

XIGrabEnter, XIUngrabEnter, XIGrabFocusIn, XIUngrabFocusIn – grab/ungrab enter or focus in events. Synopsis#include <X11/extensions/XInput.h>int XIGrabEnter( Display *display, int deviceid, Window grab_window, Cursor cursor, int grab_mode, int paired_device_mode, Bool owner_events, XIEventMask *mask, int num_modifiers, XIGrabModifiers *modifiers_inout);int XIUngrabEnter( Display *display, int deviceid, Window grab_window int num_modifiers, XIGrabModifiers *modifiers);int XIGrabFocusIn ( Display *display, int deviceid, Window grab_window int grab_mode,…

XIGrabEnter, XIUngrabEnter, XIGrabFocusIn, XIUngrabFocusIn – grab/ungrab enter or focus in events. Synopsis#include <X11/extensions/XInput.h>int XIGrabEnter( Display *display, int deviceid, Window grab_window, Cursor cursor, int grab_mode, int paired_device_mode, Bool owner_events, XIEventMask *mask, int num_modifiers, XIGrabModifiers *modifiers_inout);int XIUngrabEnter( Display *display, int deviceid, Window grab_window int num_modifiers, XIGrabModifiers *modifiers);int XIGrabFocusIn ( Display *display, int deviceid, Window grab_window int grab_mode,…

XIGrabDevice, XIUngrabDevice – grab or ungrab the device. Synopsis#include <X11/extensions/XInput2.h>Status XIGrabDevice( Display *display, int deviceid, Window grab_window, Time time, Cursor cursor, int grab_mode, int paired_device_mode, Bool owner_events, XIEventMask *mask);Status XIUngrabDevice( Display *display, int deviceid, Time time);cursor Specifies the cursor image to display for the duration of the grab.display Specifies the connection to the X server.deviceid…

XIGrabButton, XIUngrabButton, XIGrabKeycode, XIUngrabKeycode, XIGrabTouchBegin, XIUngrabTouchBegin – grab/ungrab buttons or keys Synopsis#include <X11/extensions/XInput2.h>int XIGrabButton( Display *display, int deviceid, int button, Window grab_window, Cursor cursor, int grab_mode, int paired_device_mode, Bool owner_events, XIEventMask *mask, int num_modifiers, XIGrabModifiers *modifiers_inout);int XIUngrabButton( Display *display, int deviceid, int button, Window grab_window, int num_modifiers, XIGrabModifiers *modifiers);int XIGrabKeycode( Display *display, int deviceid, int…

XISelectEvents, XIGetSelectedEvents – select for or get selected XI2 events on the window. Synopsis#include <X11/extensions/XInput2.h>Status XISelectEvents( Display *display, Window win, XIEventMask *masks, int num_masks);display Specifies the connection to the X server.masks Device event mask.num_masks Number of masks in masks.win Specifies the window.XIEventMask *XIGetSelectedEvents( Display *display, Window win, int *num_masks_return);display Specifies the connection to the X…

XIChangeProperty, XIGetProperty, XIDeleteProperty – change, retrieve or delete a device’s property. Synopsis#include <X11/extensions/XInput2.h>void XIChangeProperty( Display* dpy, int deviceid, Atom property, Atom type, int format, int mode, unsigned char *data, int num_items)void XIDeleteProperty( Display *dpy, int deviceid, Atom property)Status XIGetProperty( Display *dpy, int deviceid, Atom property, long offset, long length, Bool delete_property, Atom type, Atom *type_return,…

XISetFocus, XIGetFocus – set or get the device’s focus. Synopsis#include <X11/extensions/XInput2.h>Status XISetFocus( Display *display, int deviceid, Window focus, Time time);Status XIGetFocus( Display *display, Window *focus_return);display Specifies the connection to the X server.deviceid Specifies the device whose focus is to be queried or changed.focus The new focus window.focus_return Returns the current focus window.time A valid timestamp…

XISetClientPointer, XIGetClientPointer – set or get the ClientPointer device. Synopsis#include <X11/extensions/XInput2.h>XISetClientPointer( Display *display, Window win, int deviceid);Bool XIGetClientPointer( Display *display, Window win, int *device);display Specifies the connection to the X server.win Specifies a window belonging to the client. May be None.deviceid Specifies the ClientPointer device.DescriptionThe ClientPointer is the device that is percieved to be the…

XIQueryDevice, XIFreeDeviceInfo – get information about devices. Synopsis#include <X11/extensions/XInput2.h>XIDeviceInfo* XIQueryDevice( Display *display, int deviceid, int *ndevices_return);XIFreeDeviceInfo( XIDeviceInfo *info);deviceid Specifies the device to query or XIAllDevices or XIAllMasterDevices.display Specifies the connection to the X server.ndevices_return Returns the number of devices returned.info A list of device XIDeviceInfo structs to be freed.DescriptionThe XIQueryDevice returns information about one or…

XIChangeProperty, XIGetProperty, XIDeleteProperty – change, retrieve or delete a device’s property. Synopsis#include <X11/extensions/XInput2.h>void XIChangeProperty( Display* dpy, int deviceid, Atom property, Atom type, int format, int mode, unsigned char *data, int num_items)void XIDeleteProperty( Display *dpy, int deviceid, Atom property)Status XIGetProperty( Display *dpy, int deviceid, Atom property, long offset, long length, Bool delete_property, Atom type, Atom *type_return,…

XIDefineCursor, XIUndefineCursor – define device cursors. Synopsis#include <X11/extensions/XInput2.h>int XIDefineCursor( Display *display, int deviceid, Window win, Cursor cursor);int XIUndefineCursor( Display *display, int deviceid, Window win);cursor Specifies the cursor that is to be displayed or None.deviceid Specifies the device whose cursor is to change.display Specifies the connection to the X server.win Specifies the window.DescriptionIf a cursor is…

XIChangeProperty, XIGetProperty, XIDeleteProperty – change, retrieve or delete a device’s property. Synopsis#include <X11/extensions/XInput2.h>void XIChangeProperty( Display* dpy, int deviceid, Atom property, Atom type, int format, int mode, unsigned char *data, int num_items)void XIDeleteProperty( Display *dpy, int deviceid, Atom property)Status XIGetProperty( Display *dpy, int deviceid, Atom property, long offset, long length, Bool delete_property, Atom type, Atom *type_return,…

XIChangeHierarchy – change the device hierarchy. Synopsis#include <X11/extensions/XInput2.h>Status XIChangeHierarchy( Display *display, XIAnyHierarchyChangeInfo *changes, int num_changes);display Specifies the connection to the X server.num_changes Specifies the number of elements in changes.changes Specifies the changes to be made.DescriptionXIChangeHierarchy modifies the device hierarchy by creating or removing master devices or changing the attachment of slave devices. If num_changes is…