Linux Manuals session 3

XtOwnSelection, XtOwnSelectionIncremental, XtDisownSelection – set selection owner Syntax #include <X11/Intrinsic.h> Boolean XtOwnSelection(Widget w, Atom selection, Time time, XtConvertSelectionProc convert_proc, XtLoseSelectionProc lose_selection, XtSelectionDoneProc done_proc); Boolean XtOwnSelectionIncremental(Widget w, Atom selection, Time time, XtConvertSelectionIncrProc convert_callback, XtLoseSelectionIncrProc lose_callback, XtSelectionDoneIncrProc done_callback, XtCancelConvertSelectionProc cancel_callback, XtPointer client_data); void XtDisownSelection(Widget w, Atom selection, Time time); Arguments convert_proc Specifies the procedure that is to…

XtOwnSelection, XtOwnSelectionIncremental, XtDisownSelection – set selection owner Syntax #include <X11/Intrinsic.h> Boolean XtOwnSelection(Widget w, Atom selection, Time time, XtConvertSelectionProc convert_proc, XtLoseSelectionProc lose_selection, XtSelectionDoneProc done_proc); Boolean XtOwnSelectionIncremental(Widget w, Atom selection, Time time, XtConvertSelectionIncrProc convert_callback, XtLoseSelectionIncrProc lose_callback, XtSelectionDoneIncrProc done_callback, XtCancelConvertSelectionProc cancel_callback, XtPointer client_data); void XtDisownSelection(Widget w, Atom selection, Time time); Arguments convert_proc Specifies the procedure that is to…

XtParseTranslationTable, XtAugmentTranslations, XtOverrideTranslations, XtUninstallTranslations – manage translation tables Syntax #include <X11/Intrinsic.h> XtTranslations XtParseTranslationTable(const char *table); void XtAugmentTranslations(Widget w, XtTranslations translations); void XtOverrideTranslations(Widget w, XtTranslations translations); void XtUninstallTranslations(Widget w); Arguments table Specifies the translation table to compile. translations Specifies the compiled translation table to merge in (must not be NULL). w Specifies the widget into which…

XtDisplayInitialize, XtOpenDisplay, XtDatabase, XtScreenDatabase, XtCloseDisplay – initialize, open, or close a display Syntax #include <X11/Intrinsic.h> void XtDisplayInitialize(XtAppContext app_context, Display *display, const char *application_name, const char *application_class, XrmOptionDescRec *options, Cardinal num_options, int *argc, char **argv); Display *XtOpenDisplay(XtAppContext app_context, const char *display_string, const char *application_name, const char *application_class, XrmOptionDescRec *options, Cardinal num_options, int *argc, char **argv); void…

XtOpenApplication, XtVaOpenApplication – initialize, open, or close a display Syntax #include <X11/Intrinsic.h> Widget XtOpenApplication(XtAppContext *app_context_return, const char *application_class, XrmOptionDescRec *options, Cardinal num_options, int *argc_in_out, char **argv_in_out, String *fallback_resources, WidgetClass widget_class, ArgList args, Cardinal num_args); Widget XtVaOpenApplication(XtAppContext *app_context_return, const char *application_class, XrmOptionDescRec *options, Cardinal num_options, int *argc_in_out, char **argv_in_out, String *fallback_resources, WidgetClass widget_class, …); Arguments app_context_return…

XtOffset, XtOffsetOf, XtNumber – determine the byte offset or number of array elements Syntax #include <X11/Intrinsic.h> Cardinal XtOffset(Type pointer_type, Field field_name); Cardinal XtOffsetOf(Type structure_type, Field field_name); Cardinal XtNumber(ArrayVariable array); Arguments array Specifies a fixed-size array. field_name Specifies the name of the field for which to calculate the byte offset. pointer_type Specifies a type that is…

XtOffset, XtOffsetOf, XtNumber – determine the byte offset or number of array elements Syntax #include <X11/Intrinsic.h> Cardinal XtOffset(Type pointer_type, Field field_name); Cardinal XtOffsetOf(Type structure_type, Field field_name); Cardinal XtNumber(ArrayVariable array); Arguments array Specifies a fixed-size array. field_name Specifies the name of the field for which to calculate the byte offset. pointer_type Specifies a type that is…

XtOffset, XtOffsetOf, XtNumber – determine the byte offset or number of array elements Syntax #include <X11/Intrinsic.h> Cardinal XtOffset(Type pointer_type, Field field_name); Cardinal XtOffsetOf(Type structure_type, Field field_name); Cardinal XtNumber(ArrayVariable array); Arguments array Specifies a fixed-size array. field_name Specifies the name of the field for which to calculate the byte offset. pointer_type Specifies a type that is…

XtAppAddSignal, XtRemoveSignal, XtNoticeSignal – register and remove a signal source Syntax #include <X11/Intrinsic.h> XtSignalId XtAppAddSignal(XtAppContext app_context, XtSignalCallbackProc proc, XtPointer client_data); void XtRemoveSignal(XtSignalId id); void XtNoticeSignal(XtSignalId id); Arguments app_context Specifies the application context. client_data Specifies the argument that is to be passed to the specified procedure when a signal has been raised. id Specifies the ID…

XtNextEvent, XtPending, XtPeekEvent, XtProcessEvent, XtMainLoop – query and process events and input Syntax #include <X11/Intrinsic.h> void XtNextEvent(XEvent *event_return); Boolean XtPeekEvent(XEvent *event_return); Boolean XtPending(void); void XtProcessEvent(XtInputMask mask); void XtMainLoop(void); Arguments event Specifies a pointer to the event structure that is to be dispatched to the appropriate event handler. event_return Returns the event information to the specified…

XtMalloc, XtCalloc, XtRealloc, XtFree, XtNew, XtNewString – memory management functions Syntax #include <X11/Intrinsic.h> char *XtMalloc(Cardinal size); char *XtCalloc(Cardinal num, Cardinal size); char *XtRealloc(char *ptr, Cardinal num); void XtFree(char *ptr); type *XtNew(type); String XtNewString(String string); Cardinal XtAsprintf(char **new_string, const char *format, …); Arguments num Specifies the number of bytes or array elements. ptr Specifies a pointer…

XtMalloc, XtCalloc, XtRealloc, XtFree, XtNew, XtNewString – memory management functions Syntax #include <X11/Intrinsic.h> char *XtMalloc(Cardinal size); char *XtCalloc(Cardinal num, Cardinal size); char *XtRealloc(char *ptr, Cardinal num); void XtFree(char *ptr); type *XtNew(type); String XtNewString(String string); Cardinal XtAsprintf(char **new_string, const char *format, …); Arguments num Specifies the number of bytes or array elements. ptr Specifies a pointer…

XtNameToWidget, XtWindowToWidget – translating strings to widgets or widgets to windows Syntax #include <X11/Intrinsic.h> Widget XtNameToWidget(Widget reference, const char *names); Widget XtWindowToWidget(Display *display, Window window); Arguments display Specifies the display on which the window is defined. names Specifies the fully qualified name of the desired widget. reference Specifies the widget from which the search is…

XtName – obtain widget’s name Syntax #include <X11/Intrinsic.h> String XtName(Widget w); Arguments w Specifies the widget. Description XtName returns the widget’s name. See Also X Toolkit Intrinsics – C Language Interface Xlib – C Language X Interface

XtConfigureWidget, XtMoveWidget, XtResizeWidget – move and resize widgets Syntax #include <X11/Intrinsic.h> void XtConfigureWidget(Widget w, Position x, Position y, Dimension width, Dimension height, Dimension border_width); void XtMoveWidget(Widget w, Position x, Position y); void XtResizeWidget(Widget w, Dimension width, Dimension height, Dimension border_width); void XtResizeWindow(Widget w); Arguments width height border_width Specify the new widget size. w Specifies the…

XtSetArg, XtMergeArgLists – set and merge ArgLists Syntax #include <X11/Intrinsic.h> int XtSetArg(Arg arg, String name, XtArgVal value); ArgList XtMergeArgLists(ArgList args1, Cardinal num_args1, ArgList args2, Cardinal num_args2); Arguments arg Specifies the name-value pair to set. args1 Specifies the first ArgList. args2 Specifies the second ArgList. num_args1 Specifies the number of arguments in the first argument list….

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…

XtManageChildren, XtManageChild, XtUnmanageChildren, XtUnmanageChild, XtChangeManagedSet, XtIsManaged – manage and unmanage children Syntax #include <X11/Intrinsic.h> typedef Widget *WidgetList; void XtManageChildren(WidgetList children, Cardinal num_children); void XtManageChild(Widget child); void XtUnmanageChildren(WidgetList children, Cardinal num_children); void XtUnmanageChild(Widget child); void XtChangeManagedSet(WidgetList unmanage_children, Cardinal num_unmanage_children, XtDoChangeProc do_change_proc, XtPointer client_data, WidgetList manage_children, Cardinal num_manage_children); Boolean XtIsManaged(Widget widget); Arguments child Specifies the child. children…

XtManageChildren, XtManageChild, XtUnmanageChildren, XtUnmanageChild, XtChangeManagedSet, XtIsManaged – manage and unmanage children Syntax #include <X11/Intrinsic.h> typedef Widget *WidgetList; void XtManageChildren(WidgetList children, Cardinal num_children); void XtManageChild(Widget child); void XtUnmanageChildren(WidgetList children, Cardinal num_children); void XtUnmanageChild(Widget child); void XtChangeManagedSet(WidgetList unmanage_children, Cardinal num_unmanage_children, XtDoChangeProc do_change_proc, XtPointer client_data, WidgetList manage_children, Cardinal num_manage_children); Boolean XtIsManaged(Widget widget); Arguments child Specifies the child. children…

XtMalloc, XtCalloc, XtRealloc, XtFree, XtNew, XtNewString – memory management functions Syntax #include <X11/Intrinsic.h> char *XtMalloc(Cardinal size); char *XtCalloc(Cardinal num, Cardinal size); char *XtRealloc(char *ptr, Cardinal num); void XtFree(char *ptr); type *XtNew(type); String XtNewString(String string); Cardinal XtAsprintf(char **new_string, const char *format, …); Arguments num Specifies the number of bytes or array elements. ptr Specifies a pointer…