SysTutorials Posts

XSetTextProperty, XGetTextProperty – set and read text properties Syntax void XSetTextProperty(Display *display, Window w, XTextProperty *text_prop, Atom property); Status XGetTextProperty(Display *display, Window w, XTextProperty *text_prop_return, Atom property); Arguments display Specifies the connection to the X server. property Specifies the property name. text_prop Specifies the XTextProperty structure to be used. text_prop_return Returns the XTextProperty structure. Description…

XPutImage, XGetImage, XGetSubImage – transfer images Syntax int XPutImage(Display *display, Drawable d, GC gc, XImage *image, int src_x, int src_y, int dest_x, int dest_y, unsigned int width, unsigned int height); XImage *XGetImage(Display *display, Drawable d, int x, int y, unsigned int width, unsigned int height, unsigned long plane_mask, int format); XImage *XGetSubImage(Display *display, Drawable d,…

XSetSelectionOwner, XGetSelectionOwner, XConvertSelection – manipulate window selection Syntax int XSetSelectionOwner(Display *display, Atom selection, Window owner, Time time); Window XGetSelectionOwner(Display *display, Atom selection); int XConvertSelection(Display *display, Atom selection, Atom target, Atom property, Window requestor, Time time); Arguments display Specifies the connection to the X server. owner Specifies the owner of the specified selection atom. You can…

XSelectExtensionEvent, XGetSelectedExtensionEvents – select extension events, get the list of currently selected extension events Synopsis #include <X11/extensions/XInput.h> XSelectExtensionEvent( Display *display, Window w, XEventClass *event_list, int event_count); XGetSelectedExtensionEvents( Display *display, Window w, int *this_client_event_count_return, XEventClass **this_client_event_list_return, int *all_clients_event_count_return, XEventClass **all_clients_event_list_return); display Specifies the connection to the X server. w Specifies the window whose events you are…

XSetScreenSaver, XForceScreenSaver, XActivateScreenSaver, XResetScreenSaver, XGetScreenSaver – manipulate the screen saver Syntax int XSetScreenSaver(Display *display, int timeout, int interval, int prefer_blanking, int allow_exposures); int XForceScreenSaver(Display *display, int mode); int XActivateScreenSaver(Display *display); int XResetScreenSaver(Display *display); int XGetScreenSaver(Display *display, int *timeout_return, int *interval_return, int *prefer_blanking_return, int *allow_exposures_return); Arguments allow_exposures Specifies the screen save control values. You can pass…

XAllocStandardColormap, XSetRGBColormaps, XGetRGBColormaps, XStandardColormap – allocate, set, or read a standard colormap structure Syntax XStandardColormap *XAllocStandardColormap(void); void XSetRGBColormaps(Display *display, Window w, XStandardColormap *std_colormap, int count, Atom property); Status XGetRGBColormaps(Display *display, Window w, XStandardColormap **std_colormap_return, int *count_return, Atom property); Arguments display Specifies the connection to the X server. count Specifies the number of colormaps. count_return Returns…

XSetPointerMapping, XGetPointerMapping – manipulate pointer settings Syntax int XSetPointerMapping(Display *display, unsigned char map[], int nmap); int XGetPointerMapping(Display *display, unsigned char map_return[], int nmap); Arguments display Specifies the connection to the X server. map Specifies the mapping list. map_return Returns the mapping list. nmap Specifies the number of items in the mapping list. Description The XSetPointerMapping…

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…

XInitImage, XCreateImage, XGetPixel, XPutPixel, XSubImage, XAddPixel, XDestroyImage – image utilities Syntax Status XInitImage(XImage *image); XImage *XCreateImage(Display *display, Visual *visual, unsigned int depth, int format, int offset, char *data, unsigned int width, unsigned int height, int bitmap_pad, int bytes_per_line); unsigned long XGetPixel(XImage *ximage, int x, int y); int XPutPixel(XImage *ximage, int x, int y, unsigned long…

XOpenOM, XCloseOM, XSetOMValues, XGetOMValues, XDisplayOfOM, XLocaleOfOM – open output methods Syntax XOM XOpenOM(Display *display, XrmDatabase db, char *res_name, char *res_class); Status XCloseOM(XOM om); char *XSetOMValues(XOM om); char *XGetOMValues(XOM om); Display *XDisplayOfOM(XOM om); char *XLocaleOfOM(XOM om); Arguments display Specifies the connection to the X server. db Specifies a pointer to the resource database. res_name Specifies the…

XCreateOC, XDestroyOC, XSetOCValues, XGetOCValues, XOMOfOC – create output contexts Syntax XOC XCreateOC(XOM om); void XDestroyOC(XOC oc); char * XSetOCValues(XOC oc, …); char * XGetOCValues(XOC oc, …); XOM XOMOfOC(XOC oc); Arguments oc Specifies the output context. om Specifies the output method. … Specifies the variable length argument list to set or get XOC values. Description The…

XSendEvent, XDisplayMotionBufferSize, XGetMotionEvents, XTimeCoord – send events and pointer motion history structure Syntax Status XSendEvent(Display *display, Window w, Bool propagate, long event_mask, XEvent *event_send); unsigned long XDisplayMotionBufferSize(Display *display); XTimeCoord *XGetMotionEvents(Display *display, Window w, Time start, Time stop, int *nevents_return); Arguments display Specifies the connection to the X server. event_mask Specifies the event mask. event_send Specifies…

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…

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…

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…

XSetInputFocus, XGetInputFocus – control input focus Syntax int XSetInputFocus(Display *display, Window focus, int revert_to, Time time); int XGetInputFocus(Display *display, Window *focus_return, int *revert_to_return); Arguments display Specifies the connection to the X server. focus Specifies the window, PointerRoot, or None. focus_return Returns the focus window, PointerRoot, or None. revert_to Specifies where the input focus reverts to…

XPutImage, XGetImage, XGetSubImage – transfer images Syntax int XPutImage(Display *display, Drawable d, GC gc, XImage *image, int src_x, int src_y, int dest_x, int dest_y, unsigned int width, unsigned int height); XImage *XGetImage(Display *display, Drawable d, int x, int y, unsigned int width, unsigned int height, unsigned long plane_mask, int format); XImage *XGetSubImage(Display *display, Drawable d,…

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…

XSetWMIconName, XGetWMIconName, XSetIconName, XGetIconName – set or read a window’s WM_ICON_NAME property Syntax void XSetWMIconName(Display *display, Window w, XTextProperty *text_prop); Status XGetWMIconName(Display *display, Window w, XTextProperty *text_prop_return); int XSetIconName(Display *display, Window w, char *icon_name); Status XGetIconName(Display *display, Window w, char **icon_name_return); Arguments display Specifies the connection to the X server. icon_name Specifies the icon name,…

XOpenIM, XCloseIM, XSetIMValues, XGetIMValues, XDisplayOfIM, XLocaleOfIM, XRegisterIMInstantiateCallback, XUnregisterIMInstantiateCallback – open, close, and obtain input method information Syntax XIM XOpenIM(Display *display, XrmDatabase db, char *res_name, char *res_class); Status XCloseIM(XIM im); char *XSetIMValues(XIM im, …); char *XGetIMValues(XIM im, …); Display *XDisplayOfIM(XIM im); char *XLocaleOfIM(XIM im); Bool XRegisterIMInstantiateCallback(Display *display, XrmDatabase db, char *res_name, char *res_class, XIDProc callback, XPointer…