SysTutorials Posts

XtSetKeyTranslator, XtTranslateKeycode, XtRegisterCaseConverter, XtConvertCase – convert KeySym to KeyCodes Syntax #include <X11/Intrinsic.h> void XtSetKeyTranslator(Display *display, XtKeyProc proc); void XtTranslateKeycode(Display *display, KeyCode keycode, Modifiers modifiers, Modifiers *modifiers_return, KeySym *keysym_return); void XtRegisterCaseConverter(Display *display, XtCaseProc proc, KeySym start, KeySym stop); void XtConvertCase(Display *display, KeySym keysym, KeySym *lower_return, KeySym *upper_return); Arguments display Specifies the display. keycode Specifies the KeyCode…

XtTranslateCoords – translate widget coordinates Syntax #include <X11/Intrinsic.h> void XtTranslateCoords(Widget w, Position x, Position y, Position *rootx_return, Position *rooty_return); Arguments rootx_return rooty_return Returns the root-relative x and y coordinates. x y Specify the widget-relative x and y coordinates. w Specifies the widget. Description While XtTranslateCoords is similar to the Xlib XTranslateCoordinates function, it does not…

XtToolkitThreadInitialize – initialize the toolkit for multiple threads Syntax #include <X11/Intrinsic.h> Boolean XtToolkitThreadInitialize(void); Description If XtToolkitThreadInitialize was previously called, it returns. The application programmer must ensure that two or more threads do not simultaneously attempt to call XtToolkitThreadInitialize; the effect of this is undefined. XtToolkitThreadInitialize returns True if the host operating system has threads and…

XtCreateApplicationContext, XtDestroyApplicationContext, XtWidgetToApplicationContext, XtToolkitInitialize – create, destroy, and obtain an application context Syntax #include <X11/Intrinsic.h> XtAppContext XtCreateApplicationContext(void); void XtDestroyApplicationContext(XtAppContext app_context); XtAppContext XtWidgetToApplicationContext(Widget w); void XtToolkitInitialize(void); Arguments app_context Specifies the application context. w Specifies the widget that you want the application context for. Description The XtCreateApplicationContext function returns an application context, which is an opaque type….

XtClass, XtSuperclass, XtIsSubclass, XtCheckSubclass, XtIsObject, XtIsRectObj, XtIsWidget, XtIsComposite, XtIsConstraint, XtIsShell, XtIsOverrideShell, XtIsWMShell, XtIsVendorShell, XtIsTransientShell, XtIsTopLevelShell, XtIsApplicationShell, XtIsSessionShell – obtain and verify a widget’s class Syntax #include <X11/Intrinsic.h> WidgetClass XtClass(Widget w); WidgetClass XtSuperclass(Widget w); Boolean XtIsSubclass(Widget w, WidgetClass widget_class); void XtCheckSubclass(Widget widget, WidgetClass widget_class, String message); Boolean XtIsObject(Widget w); Boolean XtIsRectObj(Widget w); Boolean XtIsWidget(Widget w); Boolean…

XtStringConversionWarning – issue a conversion warning message Syntax #include <X11/Intrinsic.h> void XtStringConversionWarning(const char *src, const char *dst_type); Arguments src Specifies the string that could not be converted. dst_type Specifies the name of the type to which the string could not be converted. Description The XtStringConversionWarning function issues a warning message with name “conversionError”, type “string”,…

XtErrorMsg, XtSetErrorMsgHandler, XtWarningMsg, XtSetWarningMsgHandler – high-level error handlers Syntax #include <X11/Intrinsic.h> void XtErrorMsg(const char *name, const char *type, const char *class, const char *defaultMsg, String *params, Cardinal *num_params); void XtSetErrorMsgHandler(XtErrorMsgHandler msg_handler); void XtSetWarningMsgHandler(XtErrorMsgHandler msg_handler); void XtWarningMsg(const char *name, const char *type, const char *class, const char *defaultMsg, String *params, Cardinal *num_params); Arguments class Specifies the…

XtError, XtSetErrorHandler, XtSetWarningHandler, XtWarning – low-level error handlers Syntax #include <X11/Intrinsic.h> void XtError(const char *message); void XtSetErrorHandler(XtErrorHandler handler); void XtSetWarningHandler(XtErrorHandler handler); void XtWarning(const char *message); Arguments message Specifies the nonfatal error message that is to be reported. handler Specifies the new fatal error procedure, which should not return, or the nonfatal error procedure, which usually…

XtSetWMColormapWindows – Set the value of the WM_COLORMAP_WINDOWS property Syntax #include <X11/Intrinsic.h> void XtSetWMColormapWindows(Widget widget, Widget* list, Cardinal count); Arguments widget Specifies the widget on whose window the WM_COLORMAP_WINDOWS property will be stored. Must be of class Core or any subclass thereof. list Specifies a list of widgets whose windows are are potentially to be…

XtSetValues, XtVaSetValues, XtSetSubvalues, XtVaSetSubvalues, XtGetValues, XtVaGetValues, XtGetSubvalues, XtVaGetSubvalues – obtain and set widget resources Syntax #include <X11/Intrinsic.h> void XtSetValues(Widget w, ArgList args, Cardinal num_args); void XtVaSetValues(Widget w, …); void XtSetSubvalues(XtPointer base, XtResourceList resources, Cardinal num_resources, ArgList args, Cardinal num_args); void XtVaSetSubvalues(XtPointer base, XtResourceList resources, Cardinal num_resources, …); void XtGetValues(Widget w, ArgList args, Cardinal num_args); void…

XtAppSetTypeConverter, XtSetTypeConverter – register resource converter Syntax #include <X11/Intrinsic.h> void XtAppSetTypeConverter(XtAppContext app_context, const char *from_type, const char * to_type, XtTypeConverter converter, XtConvertArgList convert_args, Cardinal num_args, XtCacheType cache_type, XtDestructor destructor); void XtSetTypeConverter(const char *from_type, const char *to_type, XtTypeConverter converter, XtConvertArgList convert_args, Cardinal num_args, XtCacheType cache_type, XtDestructor destructor); Arguments app_context Specifies the application context. converter Specifies the…

XtSetValues, XtVaSetValues, XtSetSubvalues, XtVaSetSubvalues, XtGetValues, XtVaGetValues, XtGetSubvalues, XtVaGetSubvalues – obtain and set widget resources Syntax #include <X11/Intrinsic.h> void XtSetValues(Widget w, ArgList args, Cardinal num_args); void XtVaSetValues(Widget w, …); void XtSetSubvalues(XtPointer base, XtResourceList resources, Cardinal num_resources, ArgList args, Cardinal num_args); void XtVaSetSubvalues(XtPointer base, XtResourceList resources, Cardinal num_resources, …); void XtGetValues(Widget w, ArgList args, Cardinal num_args); void…

XtSetSensitive, XtIsSensitive – set and check a widget’s sensitivity state Syntax #include <X11/Intrinsic.h> void XtSetSensitive(Widget w, Boolean sensitive); Boolean XtIsSensitive(Widget w); Arguments sensitive Specifies a Boolean value that indicates whether the widget should receive keyboard and pointer events. w Specifies the widget. Description The XtSetSensitive function first calls XtSetValues on the current widget with an…

XtGetSelectionTimeout, XtSetSelectionTimeout – set and obtain selection timeout values Syntax #include <X11/Intrinsic.h> unsigned long XtGetSelectionTimeout(void); void XtSetSelectionTimeout(unsigned long timeout); Arguments timeout Specifies the selection timeout in milliseconds. Description The XtGetSelectionTimeout function has been superceded by XtAppGetSelectionTimeout. The XtSetSelectionTimeout function has been superceded by XtAppSetSelectionTimeout. See Also XtAppGetSelectionTimeout(3) X Toolkit Intrinsics – C Language Interface Xlib…

XtSetSelectionParameters – specify target parameters for a selection request with a single target Syntax #include <X11/Intrinsic.h> void XtSetSelectionParameters(Widget requestor, Atom selection, Atom type, XtPointer value, unsigned long length, int format); Arguments requestor Specifies the widget making the request. Must be of class Core or any subclass thereof. selection Specifies the atom that names the selection….

XtSetMultiClickTime, XtGetMultiClickTime – set and get multi-click times Syntax #include <X11/Intrinsic.h> void XtSetMultiClickTime(Display* display, int time); int XtGetMultiClickTime(Display* display); Arguments display Specifies the display connection. time Specifies the multi-click time in milliseconds. Description XtSetMultiClickTime sets the time interval used by the translation manager to determine when multiple events are interpreted as a repeated event. XtGetMultiClickTime…

XtMapWidget, XtSetMappedWhenManaged, XtUnmapWidget – map and unmap widgets Syntax #include <X11/Intrinsic.h> void XtMapWidget(Widget w); void XtSetMappedWhenManaged(Widget w, Boolean map_when_managed); void XtUnmapWidget(Widget w); Arguments map_when_managed Specifies a Boolean value that indicates the new value of the map_when_managed field. w Specifies the widget. Description If the widget is realized and managed and if the new value of…

XtSetLanguageProc – set the language procedure Syntax #include <X11/Intrinsic.h> XtLanguageProc XtSetLanguageProc(XtAppContext app_context, XtLanguageProc proc, XtPointer client_data); Arguments app_context Specifies the application context in which the language procedure is to be used, or NULL. proc Specifies the language procedure, or NULL. client_data Specifies additional client data to be passed to the language procedure when it is…

XtSetKeyboardFocus – focus events on a child widget Syntax #include <X11/Intrinsic.h> void XtSetKeyboardFocus(Widget subtree, Widget descendant); Arguments subtree Specifies either the widget in the subtree structure which is to receive the keyboard event, or None. Note that it is not an error to specify None when no input focus was previously set. descendant Specifies the…

XtSetKeyTranslator, XtTranslateKeycode, XtRegisterCaseConverter, XtConvertCase – convert KeySym to KeyCodes Syntax #include <X11/Intrinsic.h> void XtSetKeyTranslator(Display *display, XtKeyProc proc); void XtTranslateKeycode(Display *display, KeyCode keycode, Modifiers modifiers, Modifiers *modifiers_return, KeySym *keysym_return); void XtRegisterCaseConverter(Display *display, XtCaseProc proc, KeySym start, KeySym stop); void XtConvertCase(Display *display, KeySym keysym, KeySym *lower_return, KeySym *upper_return); Arguments display Specifies the display. keycode Specifies the KeyCode…