Linux Manuals

XtAppGetErrorDatabase, XtAppGetErrorDatabaseText – obtain error database Syntax#include <X11/Intrinsic.h> XrmDatabase *XtAppGetErrorDatabase(XtAppContext app_context); void XtAppGetErrorDatabaseText(XtAppContext app_context, const char *name, const char *type, const char *class, const char *defaultMsg, char *buffer_return, int nbytes, XrmDatabase database);Argumentsapp_context Specifies the application context. buffer_return Specifies the buffer into which the error message is to be returned. class Specifies the resource class of…

XtAppGetErrorDatabase, XtAppGetErrorDatabaseText – obtain error database Syntax#include <X11/Intrinsic.h> XrmDatabase *XtAppGetErrorDatabase(XtAppContext app_context); void XtAppGetErrorDatabaseText(XtAppContext app_context, const char *name, const char *type, const char *class, const char *defaultMsg, char *buffer_return, int nbytes, XrmDatabase database);Argumentsapp_context Specifies the application context. buffer_return Specifies the buffer into which the error message is to be returned. class Specifies the resource class of…

XtAppErrorMsg, XtAppSetErrorMsgHandler, XtAppSetWarningMsgHandler, XtAppWarningMsg – high-level error handlers Syntax#include <X11/Intrinsic.h> void XtAppErrorMsg(XtAppContext app_context, const char *name, const char *type, const char *class, const char *defaultMsg, String *params, Cardinal *num_params); XtErrorMsgHandler XtAppSetErrorMsgHandler(XtAppContext app_context, XtErrorMsgHandler msg_handler); XtErrorMsgHandler XtAppSetWarningMsgHandler(XtAppContext app_context, XtErrorMsgHandler msg_handler); void XtAppWarningMsg(XtAppContext app_context, const char *name, const char *type, const char *class, const char *defaultMsg, String…

XtAppError, XtAppSetErrorHandler, XtAppSetWarningHandler, XtAppWarning – low-level error handlers Syntax#include <X11/Intrinsic.h> void XtAppError(XtAppContext app_context, const char *message); XtErrorHandler XtAppSetErrorHandler(XtAppContext app_context, XtErrorHandler handler); XtErrorHandler XtAppSetWarningHandler(XtAppContext app_context, XtErrorHandler handler); void XtAppWarning(XtAppContext app_context, const char *message);Argumentsapp_context Specifies the application context. message Specifies the nonfatal error message that is to be reported. handler Specifies the new fatal error procedure, which…

XtAppCreateShell, XtVaAppCreateShell – create top-level widget instance Syntax#include <X11/Intrinsic.h> Widget XtAppCreateShell(const char *application_name, const char *application_class, WidgetClass widget_class, Display *display, ArgList args, Cardinal num_args); Widget XtVaAppCreateShell(const char * application_name, const char * application_class, WidgetClass widget_class, Display *display, …);Argumentsapplication_name Specifies the name of the application instance. application_class Specifies the class name of this application, which usually…

XtAppAddWorkProc, XtRemoveWorkProc – Add and remove background processing procedures Syntax#include <X11/Intrinsic.h> XtWorkProcId XtAppAddWorkProc(XtAppContext app_context, XtWorkProc proc, XtPointer client_data); void XtRemoveWorkProc(XtWorkProcId id);Argumentsapp_context Specifies the application context that identifies the application. client_data Specifies the argument that is to be passed to the specified procedure when it is called. proc Specifies the procedure that is to be called….

XtAppAddTimeOut, XtRemoveTimeOut – register and remove timeouts Syntax#include <X11/Intrinsic.h> XtIntervalId XtAppAddTimeOut(XtAppContext app_context, unsigned long interval, XtTimerCallbackProc proc, XtPointer client_data); void XtRemoveTimeOut(XtIntervalId timer);Argumentsapp_context Specifies the application context for which the timer is to be set. client_data Specifies the argument that is to be passed to the specified procedure when handling the callback. interval Specifies the time…

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);Argumentsapp_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 returned from the…

XtAppAddInput, XtRemoveInput – register and remove an input source Syntax#include <X11/Intrinsic.h> XtInputId XtAppAddInput(XtAppContext app_context, int source, XtPointer condition, XtInputCallbackProc proc, XtPointer client_data); void XtRemoveInput(XtInputId id);Argumentsapp_context Specifies the application context that identifies the application. client_data Specifies the argument that is to be passed to the specified procedure when input is available. condition Specifies the mask that…

XtAppAddConverter, XtAddConverter – register resource converter Syntax#include <X11/Intrinsic.h> void XtAppAddConverter(XtAppContext app_context, const char *from_type, const char *to_type, XtConverter converter, XtConvertArgList convert_args, Cardinal num_args); void XtAddConverter(const char *from_type, const char *to_type, XtConverter converter, XtConvertArgList convert_args, Cardinal num_args);Argumentsapp_context Specifies the application context. converter Specifies the type converter procedure. convert_args Specifies how to compute the additional arguments to…

XtAppAddBlockHook, XtRemoveBlockHook – register a block hook procedure Syntax#include <X11/Intrinsic.h> XtBlockHookId XtAppAddBlockHook(XtAppContext app_context, XtBlockHookProc proc, XtPointer client_data); void XtRemoveBlockHook(XtBlockHookId id);Argumentsapp_context Specifies the application context. proc Specifies the block hook procedure. num_args Specifies the application-specific data to be passed to the block hook.DescriptionXtAppAddBlockHook registers the specified procedure and returns an identifier for it. The hook is…

XtAppAddActions – register an action table Syntax#include <X11/Intrinsic.h> void XtAppAddActions(XtAppContext app_context, XtActionList actions, Cardinal num_actions);Argumentsapp_context Specifies the application context. actions Specifies the action table to register. num_args Specifies the number of entries in this action table.DescriptionThe XtAppAddActions function adds the specified action table and registers it with the translation manager. See AlsoXtParseTranslationTable(3) X Toolkit Intrinsics…

XtAppAddActionHook, XtRemoveActionHook – register an action hook procedure Syntax#include <X11/Intrinsic.h> XtActionHookId XtAppAddActionHook(XtAppContext app_context, XtActionHookProc proc, XtPointer client_data); void XtRemoveActionHook(XtActionHookId id);Argumentsapp_context Specifies the application context. proc Specifies the action hook procedure. num_args Specifies the application-specific data to be passed to the action hook.DescriptionXtAppAddActionHook adds the specified procedure to the front of a list maintained in the…

XtAllocateGC – obtain a sharable GC with modifiable fields Syntax#include <X11/Intrinsic.h> GC XtAllocateGC(Widget w, Cardinal depth, XtGCMask value_mask, XGCValues *values, XtGCMask dynamic_mask, XtGCMask unused_mask);Argumentsvalues Specifies the actual values for this GC. value_mask Specifies which fields of the values are specified. w Specifies the widget. depth Specifies the depth for which the returned GC is valid,…

XtAddInput, XtAddTimeOut, XtAddWorkProc – register input, timeout, and workprocs Syntax#include <X11/Intrinsic.h> XtInputId XtAddInput(int source, XtPointer condition, XtInputCallbackProc proc, XtPointer client_data); XtIntervalId XtAddTimeOut(unsigned long interval, XtTimerCallbackProc proc, XtPointer client_data); XtWorkProcId XtAddWorkProc(XtWorkProc proc, XtPointer client_data);Argumentsclient_data Specifies the argument that is to be passed to the specified procedure when input is available condition Specifies the mask that indicates…

XtAddInput, XtAddTimeOut, XtAddWorkProc – register input, timeout, and workprocs Syntax#include <X11/Intrinsic.h> XtInputId XtAddInput(int source, XtPointer condition, XtInputCallbackProc proc, XtPointer client_data); XtIntervalId XtAddTimeOut(unsigned long interval, XtTimerCallbackProc proc, XtPointer client_data); XtWorkProcId XtAddWorkProc(XtWorkProc proc, XtPointer client_data);Argumentsclient_data Specifies the argument that is to be passed to the specified procedure when input is available condition Specifies the mask that indicates…

XtAddEventHandler, XtAddRawEventHandler, XtRemoveEventHandler, XtRemoveRawEventHandler, XtInsertEventHandler, XtInsertRawEventHandler – add and remove event handlers Syntax#include <X11/Intrinsic.h> void XtAddEventHandler(Widget w, EventMask event_mask, Boolean nonmaskable, XtEventHandler proc, XtPointer client_data); void XtAddRawEventHandler(Widget w, EventMask event_mask, Boolean nonmaskable, XtEventHandler proc, XtPointer client_data); void XtRemoveEventHandler(Widget w, EventMask event_mask, Boolean nonmaskable, XtEventHandler proc, XtPointer client_data); void XtRemoveRawEventHandler(Widget w, EventMask event_mask, Boolean nonmaskable, XtEventHandler…

XtAddInput, XtAddTimeOut, XtAddWorkProc – register input, timeout, and workprocs Syntax#include <X11/Intrinsic.h> XtInputId XtAddInput(int source, XtPointer condition, XtInputCallbackProc proc, XtPointer client_data); XtIntervalId XtAddTimeOut(unsigned long interval, XtTimerCallbackProc proc, XtPointer client_data); XtWorkProcId XtAddWorkProc(XtWorkProc proc, XtPointer client_data);Argumentsclient_data Specifies the argument that is to be passed to the specified procedure when input is available condition Specifies the mask that indicates…

XtAddGrab, XtRemoveGrab – redirect user input to a modal widget Syntax#include <X11/Intrinsic.h> void XtAddGrab(Widget w, Boolean exclusive, Boolean spring_loaded); void XtRemoveGrab(Widget w);Argumentsexclusive Specifies whether user events should be dispatched exclusively to this widget or also to previous widgets in the cascade. spring_loaded Specifies whether this widget was popped up because the user pressed a pointer…

XtAddExposureToRegion – merge exposure events into a region Syntax#include <X11/Intrinsic.h> void XtAddExposureToRegion(XEvent *event, Region region);Argumentsevent Specifies a pointer to the Expose or GraphicsExpose event. region Specifies the region object (as defined in <X11/Xutil.h>).DescriptionThe XtAddExposureToRegion function computes the union of the rectangle defined by the exposure event and the specified region. Then, it stores the results…