Section 3: library functions
XGetExtensionVersion – query the version of the input extension. Synopsis #include <X11/extensions/XInput.h> XExtensionVersion *XGetExtensionVersion( Display *display, char *name); display Specifies the connection to the X server. name Specifies the extension to be queried. The input extension name is definedin the header file XI.h. Description The XGetExtensionVersion request is deprecated and should not be used in…
XGetEventData, XFreeEventData, XGenericEventCookie – retrieve and free additional event data through cookies. Syntax Bool XGetEventData(Display *display, XGenericEventCookie *cookie); void XFreeEventData(Display *display, XGenericEventCookie *cookie); Arguments display Specifies the connection to the X server. cookie Specifies the cookie to free or retrieve the data for. Structures typedef struct { int type; unsigned long serial; Bool send_event; Display *display;…
XSetErrorHandler, XGetErrorText, XDisplayName, XSetIOErrorHandler, XGetErrorDatabaseText – default error handlers Syntax int (*XSetErrorHandler(int (*handler)(Display *, XErrorEvent *)))(); int XGetErrorText(Display *display, int code, char *buffer_return, int length); char *XDisplayName(char *string); int (*XSetIOErrorHandler(int (*handler)(Display *)))(); int XGetErrorDatabaseText(Display *display, char *name, char *message, char *default_string, char *buffer_return, int length); Arguments buffer_return Returns the error description. code Specifies the error…
XSetErrorHandler, XGetErrorText, XDisplayName, XSetIOErrorHandler, XGetErrorDatabaseText – default error handlers Syntax int (*XSetErrorHandler(int (*handler)(Display *, XErrorEvent *)))(); int XGetErrorText(Display *display, int code, char *buffer_return, int length); char *XDisplayName(char *string); int (*XSetIOErrorHandler(int (*handler)(Display *)))(); int XGetErrorDatabaseText(Display *display, char *name, char *message, char *default_string, char *buffer_return, int length); Arguments buffer_return Returns the error description. code Specifies the error…
XGetDeviceProperty, XChangeDeviceProperty, XDeleteDeviceProperty – Get, change or delete a device’s property. Synopsis #include <X11/extensions/XInput.h> int XGetDeviceProperty( Display *display, XDevice *device, Atom property, long offset, long length, Bool delete, Atom req_type, Atom *actual_type_return, int *actual_format_return, unsigned long *nitems_return, unsigned long *bytes_after_return, unsigned char **prop_return) void XChangeDeviceProperty( Display *display, XDevice *device, Atom property, Atom type, int format,…
XGetDeviceMotionEvents, XDeviceTimeCoord – get device motion history Synopsis #include <X11/extensions/XInput.h> XDeviceTimeCoord *XGetDeviceMotionEvents( Display *display, XDevice *device, Time start, Time stop, int *nevents_return, int *mode_return, int *axis_count_return); display Specifies the connection to the X server. device Specifies the device whose motion history is to be queried. start, stop Specify the time interval in which the events…
XGetDeviceModifierMapping, XSetDeviceModifierMapping – query or change device modifier mappings Synopsis #include <X11/extensions/XInput.h> int XSetDeviceModifierMapping( Display *display, XDevice *device, XModifierKeymap *modmap); XModifierKeymap *XGetDeviceModifierMapping( Display *display, XDevice *device); display Specifies the connection to the X server. device Specifies the device whose modifier mapping is to be queried or modified. modmap Specifies a pointer to the XModifierKeymap structure….
XGetDeviceKeyMapping, XChangeDeviceKeyMapping – query or change device key mappings Synopsis #include <X11/extensions/XInput.h> KeySym *XGetDeviceKeyMapping( Display *display, XDevice *device, KeyCode first_keycode, int keycode_count, int *keysyms_per_keycode_return); display Specifies the connection to the X server. device Specifies the device whose key mapping is to be queried or modified. first_keycode Specifies the first KeyCode to be returned. keycode_count Specifies…
XSetDeviceFocus, XGetDeviceFocus – control extension input device focus Synopsis #include <X11/extensions/XInput.h> XSetDeviceFocus( Display *display, XDevice *device, Window focus, int revert_to, Time time); XGetDeviceFocus( Display *display, XDevice *device, Window *focus_return, int *revert_to_return, int * time_return); Arguments display Specifies the connection to the X server. device Specifies the device whose focus is to be queried or changed….
XChangeDeviceDontPropagateList, XGetDeviceDontPropagateList – query or change the dont-propagate-list for extension devices Synopsis #include <X11/extensions/XInput.h> int XChangeDeviceDontPropagateList( Display *display, Window window, int count, XEventClass *event_list, int mode); XEventClass* XGetDeviceDontPropagateList( Display *display, Window window, int *count); display Specifies the connection to the X server. window Specifies the window whose dont-propagate-list is to be queried or modified. event_list…
XGetDeviceControl, XChangeDeviceControl – query and change input device controls Synopsis #include <X11/extensions/XInput.h> XDeviceControl *XGetDeviceControl( Display *display, XDevice *device, int *controlType); int XChangeDeviceControl( Display *display, XDevice *device, int controlType, XDeviceControl *control); display Specifies the connection to the X server. device Specifies the device whose control is to be interrogated or modified. controlType Specifies the type of…
XSetDeviceButtonMapping, XGetDeviceButtonMapping – query or change device button mappings Synopsis #include <X11/extensions/XInput.h> int XSetDeviceButtonMapping( Display *display, XDevice *device, unsigned char map[], int nmap); int XGetDeviceButtonMapping( Display *display, XDevice *device, unsigned char map_return[], int nmap); display Specifies the connection to the X server. device Specifies the device whose button mapping is to be queried or changed….
XSetCommand, XGetCommand – set or read a window’s WM_COMMAND property Syntax int XSetCommand(Display *display, Window w, char **argv, int argc); Status XGetCommand(Display *display, Window w, char ***argv_return, int *argc_return); Arguments argc Specifies the number of arguments. argc_return Returns the number of arguments returned. argv Specifies the application’s argument list. argv_return Returns the application’s argument list….
XAllocClassHint, XSetClassHint, XGetClassHint, XClassHint – allocate class hints structure and set or read a window’s WM_CLASS property Syntax XClassHint *XAllocClassHint(void); XSetClassHint(Display *display, Window w, XClassHint *class_hints); Status XGetClassHint(Display *display, Window w, XClassHint *class_hints_return); Arguments display Specifies the connection to the X server. class_hints Specifies the XClassHint structure that is to be used. class_hints_return Returns the…
XInternAtom, XInternAtoms, XGetAtomName, XGetAtomNames – create or return atom names Syntax Atom XInternAtom(Display *display, char *atom_name, Bool only_if_exists); Status XInternAtoms(Display *display, char **names, int count, Bool only_if_exists, Atom *atoms_return); char *XGetAtomName(Display *display, Atom atom); Status XGetAtomNames(Display *display, Atom *atoms, int count, char **names_return); Arguments atom Specifies the atom for the property name you want returned….
XInternAtom, XInternAtoms, XGetAtomName, XGetAtomNames – create or return atom names Syntax Atom XInternAtom(Display *display, char *atom_name, Bool only_if_exists); Status XInternAtoms(Display *display, char **names, int count, Bool only_if_exists, Atom *atoms_return); char *XGetAtomName(Display *display, Atom atom); Status XGetAtomNames(Display *display, Atom *atoms, int count, char **names_return); Arguments atom Specifies the atom for the property name you want returned….
XGetEventData, XFreeEventData, XGenericEventCookie – retrieve and free additional event data through cookies. Syntax Bool XGetEventData(Display *display, XGenericEventCookie *cookie); void XFreeEventData(Display *display, XGenericEventCookie *cookie); Arguments display Specifies the connection to the X server. cookie Specifies the cookie to free or retrieve the data for. Structures typedef struct { int type; unsigned long serial; Bool send_event; Display *display;…
XCreateGC, XCopyGC, XChangeGC, XGetGCValues, XFreeGC, XGContextFromGC, XGCValues – create or free graphics contexts and graphics context structure Syntax GC XCreateGC(Display *display, Drawable d, unsigned long valuemask, XGCValues *values); int XCopyGC(Display *display, GC src, unsigned long valuemask, GC dest); int XChangeGC(Display *display, GC gc, unsigned long valuemask, XGCValues *values); Status XGetGCValues(Display *display, GC gc, unsigned long…
XCreateGC, XCopyGC, XChangeGC, XGetGCValues, XFreeGC, XGContextFromGC, XGCValues – create or free graphics contexts and graphics context structure Syntax GC XCreateGC(Display *display, Drawable d, unsigned long valuemask, XGCValues *values); int XCopyGC(Display *display, GC src, unsigned long valuemask, GC dest); int XChangeGC(Display *display, GC gc, unsigned long valuemask, XGCValues *values); Status XGetGCValues(Display *display, GC gc, unsigned long…
XStringListToTextProperty, XTextPropertyToStringList, XFreeStringList, XTextProperty – convert string lists and text property structure Syntax Status XStringListToTextProperty(char **list, int count, XTextProperty *text_prop_return); Status XTextPropertyToStringList(XTextProperty *text_prop, char ***list_return, int *count_return); void XFreeStringList(char **list); Arguments count Specifies the number of strings. count_return Returns the number of strings. list Specifies the list of strings to be freed. list Specifies a…