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NAME
LessTif Internal Functions
DESCRIPTION
When the LessTif project began some discussion was under-
taken about the use of the previously undocumented internal
_Xm.. functions in Motif 1.2. Apparently these functions
have been transformed to Xme.. functions in OSF/MotifO 2.0
and are also documented. As many people use these functions
in their code (especially widget writers) the implementation
of the _Xm.. functions is important to the LessTif project.
Below is a list of functions currently taken from the
LessTif header files.
CONVENIENCE FUNCTIONS
void _XmCalcLabelDimensions(Widget w);
Sets the core width and height values to the values needed
to display the current label contents. It takes into
account the label type as well as all of the margin
resources.
Boolean _XmGetInDragMode(Widget w);
returns True, if the widget (e.g. push button,...) resides
in a menu and the user is currently dragging the mouse with
button 1 pressed over the menu items. This way a widget can
figure out, whether it must redraw itself in the armed state
if the widget gets a PrimitiveEnter action.
Boolean _XmIsEventUnique(XEvent *event);
Unknown Function
Widget _XmGetRC_PopupPosted(Widget w);
Returns the widget id of the parent of the menu that is
currently posted by any of the children of w. In other
words the id of the shell that is cascaded from menu w.
void _XmRecordEvent(XEvent *event);
Unknown Function
void _XmSetInDragMode(Widget w, Boolean flag);
this is used to enter or leave the dragging mode within the
menu system.
XmFontListEntry _XmFontListEntryFromTag(XmFontList fontlist,
char *tag);
Unknown Function
Boolean _XmCreateVisibilityRect(Widget w, XRectangle
*rectPtr);
Unknown Function
Boolean _XmCvtStringToXmNavigation(Display *, XrmValue *,
Cardinal *, XrmValue *, XrmValue *, XtPointer *);
Unknown Function
Boolean _XmCvtStringToXmString(Display *, XrmValue *, Cardi-
nal *, XrmValue *, XrmValue *, XtPointer *);
Unknown Function
Boolean _XmFocusIsHere(Widget w);
Unknown Function
Boolean _XmFocusIsInShell(Widget wid);
Unknown Function
Boolean _XmGrabTheFocus(Widget w, XEvent *event);
Unknown Function
Boolean _XmIsNavigable(Widget wid);
Unknown Function
Boolean _XmNavigSetValues(Widget current, Widget request,
Widget new_wid, ArgList args, Cardinal *num_args);
Unknown Function
Boolean _XmSearchColorCache(unsigned int which, XmColorData
*values, XmColorData **ret);
Unknown Function
Boolean _XmShellIsExclusive(Widget wid);
Unknown Function
Boolean _XmStringsAreEqual()
Unknown Function
Pixel _XmAccessColorData(XmColorData *cd, unsigned char
which);
Unknown Function
Pixel _XmBlackPixel(Screen *screen, Colormap colormap,
XColor blackcolor);
Unknown Function
Pixel _XmWhitePixel(Screen *screen, Colormap colormap,
XColor whitecolor);
Unknown Function
Pixmap _XmGetPixmap();
Unknown Function
String _XmGetDefaultBackgroundColorSpec(Screen *screen);
Unknown Function
Time __XmGetDefaultTime(Widget w, XEvent *event);
Unknown Function
Widget _XmFindNextTabGroup(Widget wid);
Unknown Function
Widget _XmFindPrevTabGroup(Widget wid);
Unknown Function
Widget _XmFindTopMostShell(Widget w);
Unknown Function
Widget _XmGetActiveItem(Widget w);
Unknown Function
Widget _XmGetFirstFocus(Widget wid);
Unknown Function
Widget _XmNavigate(Widget wid, XmTraversalDirection direc-
tion);
Unknown Function
XmColorData *_XmAddToColorCache(XmColorData *new_rec);
Unknown Function
XmColorData *_XmGetColors(Screen *screen, Colormap
color_map, Pixel background);
Unknown Function
XmColorData *_XmGetDefaultColors(Screen *screen, Colormap
color_map);
Unknown Function
XmFocusData _XmCreateFocusData();
Unknown Function
XmFocusData _XmGetFocusData(Widget wid);
Unknown Function
XmFontList _XmGetDefaultFontList(Widget w, unsigned char
fontListType);
Unknown Function
XmGadget _XmInputForGadget(Widget cw, int x, int y);
Unknown Function
XmGadget _XmInputInGadget(Widget cw, int x, int y);
Unknown Function
char * _XmGetBGPixmapName();
Unknown Function
char *_XmConvertCSToString(XmString cs);
Unknown Function
int _XmEmptyRect(XRectangle *r);
Unknown Function
int _XmIntersectRect(XRectangle *srcRectA, Widget widget,
XRectangle *dstRect);
Unknown Function
unsigned char _XmGetFocusPolicy(Widget w);
Unknown Function
void _XmBackgroundColorDefault(Widget widget, int offset,
XrmValue *value);
Unknown Function
void _XmBottomShadowColorDefault(Widget widget, int offset,
XrmValue *value);
Unknown Function
void _XmCallFocusMoved(Widget old, Widget new_wid, XEvent
*event);
Unknown Function
void _XmClearBGPixmap();
Unknown Function
void _XmClearFocusPath(Widget wid);
Unknown Function
void _XmClearRect(XRectangle *r);
Unknown Function
void _XmConfigureObject(Widget g, Position x, Position y,
Dimension width, Dimension height, Dimension border_width);
_XmConfigureObject is a wrapper around XtConfigureWidget(3)
which insulates a widget writer from the burden of checking
whether an object is a widget or a gadget. The way for a
manager widget (any subclass of XmManager; they're supposed
to do geometry management for their children) to set the
layout of a child is to use this function. In the case of a
widget, XtConfigureWidget is called. For a gadget, the
geometry fields are manipulated directly.
void _XmDestroyFocusData(XmFocusData focusData);
Unknown Function
void _XmDispatchGadgetInput(Widget g, XEvent *event, Mask
mask);
Unknown Function
void _XmFocusModelChanged(Widget wid, XtPointer client_data,
XtPointer call_data);
Unknown Function
void _XmForegroundColorDefault(Widget widget, int offset,
XrmValue *value);
Unknown Function
void _XmGetDefaultThresholdsForScreen(Widget widget, int
offset, XrmValue *value);
Unknown Function
void _XmHighlightColorDefault(Widget widget, int offset,
XrmValue *value);
Unknown Function
void _XmManagerHighlightPixmapDefault(Widget widget, int
offset, XrmValue *value);
Unknown Function
void _XmManagerTopShadowPixmapDefault(Widget widget, int
offset, XrmValue *value);
Unknown Function
void _XmMgrTraversal(Widget wid, XmTraversalDirection direc-
tion);
Unknown Function
void _XmMoveObject(Widget g, Position x, Position y);
Unknown Function
void _XmNavigChangeManaged(Widget wid);
Unknown Function
void _XmNavigDestroy(Widget wid);
Unknown Function
void _XmNavigInitialize(Widget request, Widget new_wid,
ArgList args, Cardinal num_args);
Unknown Function
void _XmNavigResize(Widget wid);
Unknown Function
void _XmPrimitiveEnter(Widget w, XEvent *event, String
*params, Cardinal num_params);
Unknown Function
void _XmPrimitiveHighlightPixmapDefault(Widget widget, int
offset, XrmValue *value);
Unknown Function
void _XmPrimitiveLeave(Widget w, XEvent *event, String
*params, Cardinal num_params);
Unknown Function
void _XmPrimitiveTopShadowPixmapDefault(Widget widget, int
offset, XrmValue *value);
Unknown Function
void _XmProcessTraversal(Widget w, XmTraversalDirection dir,
Boolean check);
Unknown Function
void _XmRedisplayGadgets(Widget w, XEvent *event, Region
region);
Unknown Function
void _XmRegisterConverters();
Unknown Function
void _XmRegisterPixmapConverters();
Unknown Function
void _XmResetTravGraph(Widget wid);
Unknown Function
void _XmResizeObject(Widget g, Dimension width, Dimension
height, Dimension border_width);
Unknown Function
void _XmSetActiveTabGroup(XmFocusData focusData, Widget tab-
Group);
Unknown Function
void _XmSetDefaultBackgroundColorSpec(Screen *screen, String
new_color_spec);
Unknown Function
void _XmSetInitialOfTabGroup(Widget tab_group, Widget
init_focus);
Unknown Function
void _XmSetRect(XRectangle *rect, Widget w);
Unknown Function
void _XmTopShadowColorDefault(Widget widget, int offset,
XrmValue *value);
Unknown Function
void _XmValidateFocus(Widget wid);
Unknown Function
void _XmWarning(Widget w, char *message);
Unknown Function
void _XmWidgetFocusChange(Widget wid, XmFocusChange change);
Unknown Function
void _XmCascadePixmapDefault(Widget w, int offset, XrmValue
*val);
Unknown Function
void _XmClearBorder(Display *display, Window win, int x, int
y, Dimension width, Dimension height, Dimension
shadow_thickness)
Unknown Function
void _XmDefaultButtonShadowThickness(Widget w, int offset,
XrmValue *val);
Unknown Function
void _XmDefaultMultiClick(Widget w, int offset, XrmValue
*val);
Unknown Function
void _XmDrawArrow(Display *display, Window win, GC bottomGC,
GC topGC, GC fillGC, Position x, Position y, Dimension
width, Dimension height, Dimension shadow_thickness,
unsigned char direction
Unknown Function
void _XmDrawDiamond(Display *display, Window win, GC bot-
tomGC, GC topGC, GC selectGC, Position x, Position y, Dimen-
sion width, Dimension height, Dimension shadowThickness,
Dimension fill);
Unknown Function
void _XmDrawSeparator(Display *display, Window win, GC
top_gc, GC bottom_gc, separator_GC, Position wx, Position
wy, Dimension wwidth, Dimension wheight, Dimension shadowTh-
ickness, Dimension m
Unknown Function
void _XmDrawShadowDisplay *display, Drawable d, GC top_gc,
GC bottom_gc, Dimension shad_thick, Position x, Position y,
Dimension width, Dimension height);
Unknown Function
void _XmDrawShadows(Display *display, Window win, GC topSha-
dowGC, GC bottomShadowGC, Position x, Position y, Dimension
width, Dimension height, Dimension shadowThickness, unsigned
int shadowTy
Unknown Function
void _XmFontListGetDefaultFont(XmFontList fontlist,
XFontStruct **font_struct);
Unknown Function
void _XmFrameHorizSpaceDefault(Widget w, int offset,
XrmValue *val);
Unknown Function
void _XmFrameShadowThicknessDefault(Widget w, int offset,
XrmValue *val);
Unknown Function
void _XmFrameShadowTypeDefault(Widget w, int offset,
XrmValue *val);
Unknown Function
void _XmInitializeWidgetSet();
Unknown Function
void _XmRowColumnEntryClassDefault(Widget w, int offset,
XrmValue *val);
Unknown Function
void _XmRowColumnIsHomogeneousDefault(Widget w, int offset,
XrmValue *val);
Unknown Function
void _XmRowColumnMarginDefault(Widget w, int offset,
XrmValue *val);
Unknown Function
void _XmRowColumnMenuAcceleratorDefault(Widget w, int
offset, XrmValue *val);
Unknown Function
void _XmRowColumnPackingDefault(Widget w, int offset,
XrmValue *val);
Unknown Function
void _XmRowColumnSpacingDefault(Widget w, int offset,
XrmValue *val);
Unknown Function
void _XmScrollBarMaximumDefault(Widget w, int offset,
XrmValue *val);
Unknown Function
void _XmScrollBarProcessingDirectionDefault(Widget w, int
offset, XrmValue *val);
Unknown Function
void _XmScrollBarSliderSizeDefault(Widget w, int offset,
XrmValue *val);
Unknown Function
void _XmScrollBarTroughColorDefault(Widget w, int offset,
XrmValue *val);
Unknown Function
void _XmScrollBarValueDefault(Widget w, int offset, XrmValue
*val);
Unknown Function
void _XmSelectColorDefault(Widget w, int offset, XrmValue
*val);
Unknown Function
void _XmToggleButtonIndicatorTypeDefault(Widget w, int
offset, XrmValue *val);
Unknown Function
void _XmVendorShellVirtualBindingsDefault(Widget w, int
offset, XrmValue *val);
Unknown Function
String _XmOSGetHomeDirName(void);
Unknown Function
XmString _XmOSGetLocalizedString(char *reserved,
Unknown Function
int _XmMicroSleep(long secs);
Unknown Function
void _XmInternAtomAndName(Display *display, Atom atom,
String name);
Associates an atom name with an atom id (and vice versa)
without the need to query the X server first for the atom
id. This way any name to id mapping (as well as the id to
name mapping) can be set on a given display.
void _XmVirtualToActualKeysym(Display *Dsp, KeySym Virtu-
alKeysym, KeySym *RealKeysymReturn, Modifiers
*ModifierReturn);
For the given virtual keysym (which must be one of the =
osfXK_xxx keysyms) returns the real keysym as well as the
modifiers which make up that particular virtual keysym. If
asked for an invalid virtual keysym, _XmVirtualToActu-
alKeysym returns NoSymbol for the real keysym.
int _XmVirtKeysLoadFallbackBindings(Display *Dsp, String
*Bindings);
Installs the default key bindings for a specific display. If
th= ere are any vendor specific default bindings available,
then the appropiate one= will be installed instead of the
fallback key bindings. Additionally, the bindings installed
are returned in Bindings. The caller is responsible for
freeing the space occupied by this key binding description
string. The return code seems to be always zero. At least
LessTif will always retur= n a zero...
Boolean _XmVirtKeysLoadFileBindings(String filename, String
*binding= );
Reads in a file containing a description of the virtual key
bindings. If succesful, returns True and the description
string. The caller= is responsible for freeing the memory
lateron.
void _XmVirtKeysInitialize(Widget w);
Sets up the virtual key bindings for a display. The widget
specified must be a XmDisplay widget, otherwise _XmVirtKey-
sInitialize will deny the attempt to set up the key bind-
ings. The function first checks several places in order to
catch up key binding description. If all fails, it will
install fallback key bindings. This internal function is
called during when initializing a XmDisplay widget.
void _XmVirtKeysDestroy(Widget w);
Cleanup any leftovers from the virtual binding mechanism
when destroying a XmDisplay widget.
void _XmVirtKeysHandler(Widget w, XtPointer Data, XEvent
*Event, Boolean *ContDispatch);
This handler is installed on every widget. It just records
the current key press event in an widget instance field
private to a XmDisplay widget.
SEE ALSO
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