Linux Manuals session 3

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…

XIBarrierReleasePointer, XIBarrierReleasePointers – allow pointer movement across a pointer barrier Synopsis#include <X11/extensions/XInput2.h>int XIBarrierReleasePointer( Display *display, int deviceid, PointerBarrier barrier, BarrierEventID eventid);int XIBarrierReleasePointers( Display *display, XIBarrierReleasePointerInfo *barriers, int num_barriers);display Specifies the connection to the X server.deviceid Specifies the device allowed to move across the barrier.barrier Specifies the barrier.eventid Specifies the unique event ID for this barrier…

XIBarrierReleasePointer, XIBarrierReleasePointers – allow pointer movement across a pointer barrier Synopsis#include <X11/extensions/XInput2.h>int XIBarrierReleasePointer( Display *display, int deviceid, PointerBarrier barrier, BarrierEventID eventid);int XIBarrierReleasePointers( Display *display, XIBarrierReleasePointerInfo *barriers, int num_barriers);display Specifies the connection to the X server.deviceid Specifies the device allowed to move across the barrier.barrier Specifies the barrier.eventid Specifies the unique event ID for this barrier…

XAddHost, XAddHosts, XListHosts, XRemoveHost, XRemoveHosts, XSetAccessControl, XEnableAccessControl, XDisableAccessControl, XHostAddress, XServerInterpretedAddress – control host access and host control structure Syntaxint XAddHost(Display *display, XHostAddress *host); int XAddHosts(Display *display, XHostAddress *hosts, int num_hosts); XHostAddress *XListHosts(Display *display, int *nhosts_return, Bool state_return); int XRemoveHost(Display *display, XHostAddress *host); int XRemoveHosts(Display *display, XHostAddress *hosts, int num_hosts); int XSetAccessControl(Display *display, int mode); int…

XGravityEvent – GravityNotify event structure StructuresThe structure for GravityNotify events contains: typedef struct {         int type;       /* GravityNotify */         unsigned long serial;   /* # of last request processed by server */         Bool send_event;        /* true if this came from a SendEvent request */         Display *display;       /* Display the event was read from */         Window event;         Window window;         int x, y; } XGravityEvent; When you receive this event, the structure…

XGraphicsExposeEvent, XNoExposeEvent – GraphicsExpose and NoExpose event structures StructuresThe structures for GraphicsExpose and NoExpose events contain: typedef struct {         int type;       /* GraphicsExpose */         unsigned long serial;   /* # of last request processed by server */         Bool send_event;        /* true if this came from a SendEvent request */         Display *display;       /* Display the event was read from */         Drawable drawable;         int x, y;         int width, height;         int count;      /* if nonzero,…

XGrabServer, XUngrabServer – grab the server Syntaxint XGrabServer(Display *display); int XUngrabServer(Display *display);Argumentsdisplay Specifies the connection to the X server.DescriptionThe XGrabServer function disables processing of requests and close downs on all other connections than the one this request arrived on. You should not grab the X server any more than is absolutely necessary. The XUngrabServer function…