SysTutorials Posts

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…

XSetState, XSetFunction, XSetPlaneMask, XSetForeground, XSetBackground – GC convenience routines Syntax int XSetState(Display *display, GC gc, unsigned long foreground, unsigned int background, int function, unsigned long plane_mask); int XSetFunction(Display *display, GC gc, int function); int XSetPlaneMask(Display *display, GC gc, unsigned long plane_mask); int XSetForeground(Display *display, GC gc, unsigned long foreground); int XSetBackground(Display *display, GC gc, unsigned…

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…

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…

XSupportsLocale, XSetLocaleModifiers – determine locale support and configure locale modifiers Syntax Bool XSupportsLocale(void); char *XSetLocaleModifiers(char *modifier_list); Arguments modifier_list Specifies the modifiers. Description The XSupportsLocale function returns True if Xlib functions are capable of operating under the current locale. If it returns False, Xlib locale-dependent functions for which the XLocaleNotSupported return status is defined will return…

XSetLineAttributes, XSetDashes – GC convenience routines Syntax int XSetLineAttributes(Display *display, GC gc, unsigned int line_width, int line_style, int cap_style, int join_style); int XSetDashes(Display *display, GC gc, int dash_offset, char dash_list[], int n); Arguments cap_style Specifies the line-style and cap-style you want to set for the specified GC. You can pass CapNotLast, CapButt, CapRound, or CapProjecting….

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…

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,…

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…

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…

XSetICValues, XGetICValues – set and obtain XIC values Syntax char * XSetICValues(XIC ic, …); char * XGetICValues(XIC ic, …); Arguments ic Specifies the input context. … Specifies the variable length argument list to set or get XIC values. Description The XSetICValues function returns NULL if no error occurred; otherwise, it returns the name of the…

XSetICFocus, XUnsetICFocus – set and unset input context focus Syntax void XSetICFocus(XIC ic); void XUnsetICFocus(XIC ic); Arguments ic Specifies the input context. Description The XSetICFocus function allows a client to notify an input method that the focus window attached to the specified input context has received keyboard focus. The input method should take action to…

XSetArcMode, XSetSubwindowMode, XSetGraphicsExposure – GC convenience routines Syntax int XSetArcMode(Display *display, GC gc, int arc_mode); int XSetSubwindowMode(Display *display, GC gc, int subwindow_mode); int XSetGraphicsExposures(Display *display, GC gc, Bool graphics_exposures); Arguments arc_mode Specifies the arc mode. You can pass ArcChord or ArcPieSlice. display Specifies the connection to the X server. gc Specifies the GC. graphics_exposures Specifies…

XSetState, XSetFunction, XSetPlaneMask, XSetForeground, XSetBackground – GC convenience routines Syntax int XSetState(Display *display, GC gc, unsigned long foreground, unsigned int background, int function, unsigned long plane_mask); int XSetFunction(Display *display, GC gc, int function); int XSetPlaneMask(Display *display, GC gc, unsigned long plane_mask); int XSetForeground(Display *display, GC gc, unsigned long foreground); int XSetBackground(Display *display, GC gc, unsigned…

XSetState, XSetFunction, XSetPlaneMask, XSetForeground, XSetBackground – GC convenience routines Syntax int XSetState(Display *display, GC gc, unsigned long foreground, unsigned int background, int function, unsigned long plane_mask); int XSetFunction(Display *display, GC gc, int function); int XSetPlaneMask(Display *display, GC gc, unsigned long plane_mask); int XSetForeground(Display *display, GC gc, unsigned long foreground); int XSetBackground(Display *display, GC gc, unsigned…

XSetFontPath, XGetFontPath, XFreeFontPath – set, get, or free the font search path Syntax int XSetFontPath(Display *display, char **directories, int ndirs); char **XGetFontPath(Display *display, int *npaths_return); int XFreeFontPath(char **list); Arguments directories Specifies the directory path used to look for a font. Setting the path to the empty list restores the default path defined for the X…

XSetFont – GC convenience routines Syntax int XSetFont(Display *display, GC gc, Font font); Arguments display Specifies the connection to the X server. font Specifies the font. gc Specifies the GC. Description The XSetFont function sets the current font in the specified GC. XSetFont can generate BadAlloc, BadFont, and BadGC errors. Diagnostics BadAlloc The server failed…