SysTutorials Posts

XIfEvent, XCheckIfEvent, XPeekIfEvent – check the event queue with a predicate procedure Syntax int XIfEvent(Display *display, XEvent *event_return, Bool (*predicate)(), XPointer arg); Bool XCheckIfEvent(Display *display, XEvent *event_return, Bool (*predicate)(), XPointer arg); int XPeekIfEvent(Display *display, XEvent *event_return, Bool (*predicate)(), XPointer arg); Arguments arg Specifies the user-supplied argument that will be passed to the predicate procedure. display…

XIconifyWindow, XWithdrawWindow, XReconfigureWMWindow – manipulate top-level windows Syntax Status XIconifyWindow(Display *display, Window w, int screen_number); Status XWithdrawWindow(Display *display, Window w, int screen_number); Status XReconfigureWMWindow(Display *display, Window w, int screen_number, unsigned int value_mask, XWindowChanges *values); Arguments display Specifies the connection to the X server. screen_number Specifies the appropriate screen number on the host server. value_mask Specifies…

XAllocIconSize, XSetIconSizes, XGetIconSizes, XIconSize – allocate icon size structure and set or read a window’s WM_ICON_SIZES property Syntax XIconSize *XAllocIconSize(void); int XSetIconSizes(Display *display, Window w, XIconSize *size_list, int count); Status XGetIconSizes(Display *display, Window w, XIconSize **size_list_return, int count_return); Arguments display Specifies the connection to the X server. count Specifies the number of items in the…

XIWarpPointer – move a device’s pointer. Synopsis #include <X11/extensions/XInput2.h> Bool XIWarpPointer( Display *display, int deviceid, Window src_w, Window dest_w, double src_x, double src_y, int src_width, int src_height, double dest_x, double dest_y); dest_w Specifies the destination window or None. dest_x, dest_y Specify the x and y coordinates within the destination window. deviceid Specifies the master pointer…

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…

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…

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,…

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,…

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…

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…

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….

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…

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. Description The ClientPointer is…

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…

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. Description…

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…

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…

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

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. Description The XIListProperties function returns a list of the properties associated with the input device…

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…