Section 3: library functions
XChangePointerDevice – change which device is the X pointer Synopsis #include <X11/extensions/XInput.h> Status XChangePointerDevice( Display *display, XDevice *device, int xaxis, int yaxis); display Specifies the connection to the X server. device Specifies the device to be used as the X pointer. xaxis Specifies the axis of the device to be used as the X pointer…
XChangePointerControl, XGetPointerControl – control pointer Syntax int XChangePointerControl(Display *display, Bool do_accel, Bool do_threshold, int accel_numerator, int accel_denominator, int threshold); int XGetPointerControl(Display *display, int *accel_numerator_return, int *accel_denominator_return, int *threshold_return); Arguments accel_denominator Specifies the denominator for the acceleration multiplier. accel_denominator_return Returns the denominator for the acceleration multiplier. accel_numerator Specifies the numerator for the acceleration multiplier. accel_numerator_return Returns…
XChangeKeyboardMapping, XGetKeyboardMapping, XDisplayKeycodes, XSetModifierMapping, XGetModifierMapping, XNewModifiermap, XInsertModifiermapEntry, XDeleteModifiermapEntry, XFreeModifiermap, XModifierKeymap – manipulate keyboard encoding and keyboard encoding structure Syntax int XChangeKeyboardMapping(Display *display, int first_keycode, int keysyms_per_keycode, KeySym *keysyms, int num_codes); KeySym *XGetKeyboardMapping(Display *display, KeyCode first_keycode, int keycode_count, int *keysyms_per_keycode_return); int XDisplayKeycodes(Display *display, int *min_keycodes_return, int *max_keycodes_return); int XSetModifierMapping(Display *display, XModifierKeymap *modmap); XModifierKeymap *XGetModifierMapping(Display *display); XModifierKeymap…
XChangeKeyboardDevice – change which device is used as the X keyboard Synopsis #include <X11/extensions/XInput.h> Status XChangeKeyboardDevice( Display *display, XDevice *device); display Specifies the connection to the X server. device Specifies the device to be used as the X keyboard. Description The XChangeKeyboardDevice request causes the server to use the specified device as the X keyboard….
XChangeKeyboardControl, XGetKeyboardControl, XAutoRepeatOn, XAutoRepeatOff, XBell, XQueryKeymap, XKeyboardControl – manipulate keyboard settings and keyboard control structure Syntax int XChangeKeyboardControl(Display *display, unsigned long value_mask, XKeyboardControl *values); int XGetKeyboardControl(Display *display, XKeyboardState *values_return); int XAutoRepeatOn(Display *display); int XAutoRepeatOff(Display *display); int XBell(Display *display, int percent); int XQueryKeymap(Display *display, char keys_return[32]); Arguments display Specifies the connection to the X server. keys_return…
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…
XGetFeedbackControl, XChangeFeedbackControl – query and change input device feedbacks Synopsis #include <X11/extensions/XInput.h> XFeedbackState *XGetFeedbackControl( Display *display, XDevice *device, int *num_feedbacks); int XChangeFeedbackControl( Display *display, XDevice *device, Mask mask, XFeedbackControl *control); display Specifies the connection to the X server. device Specifies the device whose feedbacks are to be queried or modified. num_feedbacks Specifies an address into…
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,…
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…
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…
XGrabPointer, XUngrabPointer, XChangeActivePointerGrab – grab the pointer Syntax int XGrabPointer(Display *display, Window grab_window, Bool owner_events, unsigned int event_mask, int pointer_mode, int keyboard_mode, Window confine_to, Cursor cursor, Time time); int XUngrabPointer(Display *display, Time time); int XChangeActivePointerGrab(Display *display, unsigned int event_mask, Cursor cursor, Time time); Arguments confine_to Specifies the window to confine the pointer in or None….
XButtonEvent, XKeyEvent, XMotionEvent – KeyPress, KeyRelease, ButtonPress, ButtonRelease, and MotionNotify event structures Structures The structures for KeyPress, KeyRelease, ButtonPress, ButtonRelease, and MotionNotify events contain: typedef struct { int type; /* ButtonPress or ButtonRelease */ 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…
XChangeKeyboardControl, XGetKeyboardControl, XAutoRepeatOn, XAutoRepeatOff, XBell, XQueryKeymap, XKeyboardControl – manipulate keyboard settings and keyboard control structure Syntax int XChangeKeyboardControl(Display *display, unsigned long value_mask, XKeyboardControl *values); int XGetKeyboardControl(Display *display, XKeyboardState *values_return); int XAutoRepeatOn(Display *display); int XAutoRepeatOff(Display *display); int XBell(Display *display, int percent); int XQueryKeymap(Display *display, char keys_return[32]); Arguments display Specifies the connection to the X server. keys_return…
XFontsOfFontSet, XBaseFontNameListOfFontSet, XLocaleOfFontSet, XContextDependentDrawing, XContextualDrawing, XDirectionalDependentDrawing – obtain fontset information Syntax int XFontsOfFontSet(XFontSet font_set, XFontStruct ***font_struct_list_return, char ***font_name_list_return); char *XBaseFontNameListOfFontSet(XFontSet font_set); char *XLocaleOfFontSet(XFontSet font_set); Bool XContextDependentDrawing(XFontSet font_set); Bool XContextualDrawing(XFontSet font_set); Bool XDirectionalDependentDrawing(XFontSet font_set); Arguments font_set Specifies the font set. font_name_list_return Returns the list of font names. font_struct_list_return Returns the list of font structs. Description The…
XChangeKeyboardControl, XGetKeyboardControl, XAutoRepeatOn, XAutoRepeatOff, XBell, XQueryKeymap, XKeyboardControl – manipulate keyboard settings and keyboard control structure Syntax int XChangeKeyboardControl(Display *display, unsigned long value_mask, XKeyboardControl *values); int XGetKeyboardControl(Display *display, XKeyboardState *values_return); int XAutoRepeatOn(Display *display); int XAutoRepeatOff(Display *display); int XBell(Display *display, int percent); int XQueryKeymap(Display *display, char keys_return[32]); Arguments display Specifies the connection to the X server. keys_return…
XChangeKeyboardControl, XGetKeyboardControl, XAutoRepeatOn, XAutoRepeatOff, XBell, XQueryKeymap, XKeyboardControl – manipulate keyboard settings and keyboard control structure Syntax int XChangeKeyboardControl(Display *display, unsigned long value_mask, XKeyboardControl *values); int XGetKeyboardControl(Display *display, XKeyboardState *values_return); int XAutoRepeatOn(Display *display); int XAutoRepeatOff(Display *display); int XBell(Display *display, int percent); int XQueryKeymap(Display *display, char keys_return[32]); Arguments display Specifies the connection to the X server. keys_return…
XDrawArc, XDrawArcs, XArc – draw arcs and arc structure Syntax int XDrawArc(Display *display, Drawable d, GC gc, int x, int y, unsigned int width, unsigned int height, int angle1, int angle2); int XDrawArcs(Display *display, Drawable d, GC gc, XArc *arcs, int narcs); Arguments angle1 Specifies the start of the arc relative to the three-o’clock position…
XAnyEvent, XEvent – generic X event structures Structures All the event structures declared in have the following common members: typedef struct { int type; 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 window; } XAnyEvent; The type member is…
XAllowEvents – release queued events Syntax int XAllowEvents(Display *display, int event_mode, Time time); Arguments display Specifies the connection to the X server. event_mode Specifies the event mode. You can pass AsyncPointer, SyncPointer, AsyncKeyboard, SyncKeyboard, ReplayPointer, ReplayKeyboard, AsyncBoth, or SyncBoth. time Specifies the time. You can pass either a timestamp or CurrentTime. Description The XAllowEvents function…