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IABSD.fr/xenocara/lib/libXmu/src/StrToWidg.c
matthieu
- lib/libXmu/src/StrToWidg.c
-
/* Copyright 1994, 1998 The Open Group Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of The Open Group shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from The Open Group. */ /* * XmuCvtStringToWidget * * static XtConvertArgRec parentCvtArgs[] = { * {XtBaseOffset, (XtPointer)XtOffset(Widget, core.parent), sizeof(Widget)}, * }; * * matches the string against the name of the immediate children (normal * or popup) of the parent. If none match, compares string to classname * & returns first match. Case is significant. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <X11/IntrinsicP.h> #include <X11/StringDefs.h> #include <X11/ObjectP.h> #include <X11/Xmu/Converters.h> #define done(address, type) \ { \ toVal->size = sizeof(type); \ toVal->addr = (XPointer)address; \ return; \ } /*ARGSUSED*/ void XmuCvtStringToWidget(XrmValuePtr args, Cardinal *num_args, XrmValuePtr fromVal, XrmValuePtr toVal) { static Widget widget, *widgetP, parent; XrmName name = XrmStringToName(fromVal->addr); Cardinal i; if (*num_args != 1) { i = 0; XtErrorMsg("wrongParameters", "cvtStringToWidget", "xtToolkitError", "StringToWidget conversion needs parent arg", NULL, &i); } parent = *(Widget*)args[0].addr; /* try to match names of normal children */ if (XtIsComposite(parent)) { i = ((CompositeWidget)parent)->composite.num_children; for (widgetP = ((CompositeWidget)parent)->composite.children; i; i--, widgetP++) if ((*widgetP)->core.xrm_name == name) { widget = *widgetP; done(&widget, Widget); } } /* try to match names of popup children */ i = parent->core.num_popups; for (widgetP = parent->core.popup_list; i; i--, widgetP++) if ((*widgetP)->core.xrm_name == name) { widget = *widgetP; done(&widget, Widget); } /* try to match classes of normal children */ if (XtIsComposite(parent)) { i = ((CompositeWidget)parent)->composite.num_children; for (widgetP = ((CompositeWidget)parent)->composite.children; i; i--, widgetP++) if ((*widgetP)->core.widget_class->core_class.xrm_class == name) { widget = *widgetP; done(&widget, Widget); } } /* try to match classes of popup children */ i = parent->core.num_popups; for (widgetP = parent->core.popup_list; i; i--, widgetP++) if ((*widgetP)->core.widget_class->core_class.xrm_class == name) { widget = *widgetP; done(&widget, Widget); } XtStringConversionWarning(fromVal->addr, XtRWidget); toVal->addr = NULL; toVal->size = 0; } #undef done #define newDone(type, value) \ { \ if (toVal->addr != NULL) { \ if (toVal->size < sizeof(type)) { \ toVal->size = sizeof(type); \ return False; \ } \ *(type*)(toVal->addr) = (value); \ } \ else { \ static type static_val; \ static_val = (value); \ toVal->addr = (XtPointer)&static_val; \ } \ toVal->size = sizeof(type); \ return True; \ } /*ARGSUSED*/ Boolean XmuNewCvtStringToWidget(Display *dpy, XrmValue *args, Cardinal *num_args, XrmValue *fromVal, XrmValue *toVal, XtPointer *converter_data) { Widget *widgetP, parent; XrmName name = XrmStringToName(fromVal->addr); int i; if (*num_args != 1) XtAppWarningMsg(XtDisplayToApplicationContext(dpy), "wrongParameters","cvtStringToWidget","xtToolkitError", "String To Widget conversion needs parent argument", (String *)NULL, (Cardinal *)NULL); parent = *(Widget*)args[0].addr; /* try to match names of normal children */ if (XtIsComposite(parent)) { i = ((CompositeWidget)parent)->composite.num_children; for (widgetP = ((CompositeWidget)parent)->composite.children; i; i--, widgetP++) if ((*widgetP)->core.xrm_name == name) newDone(Widget, *widgetP); } /* try to match names of popup children */ i = parent->core.num_popups; for (widgetP = parent->core.popup_list; i; i--, widgetP++) if ((*widgetP)->core.xrm_name == name) newDone(Widget, *widgetP); /* try to match classes of normal children */ if (XtIsComposite(parent)) { i = ((CompositeWidget)parent)->composite.num_children; for (widgetP = ((CompositeWidget)parent)->composite.children; i; i--, widgetP++) if ((*widgetP)->core.widget_class->core_class.xrm_class == name) newDone(Widget, *widgetP); } /* try to match classes of popup children */ i = parent->core.num_popups; for (widgetP = parent->core.popup_list; i; i--, widgetP++) if ((*widgetP)->core.widget_class->core_class.xrm_class == name) newDone(Widget, *widgetP); XtDisplayStringConversionWarning(dpy, (String)fromVal->addr, XtRWidget); return (False); } /*ARGSUSED*/ Boolean XmuCvtWidgetToString(Display *dpy, XrmValuePtr args, Cardinal *num_args, XrmValuePtr fromVal, XrmValuePtr toVal, XtPointer *data) { static String buffer; Cardinal size; Widget widget; widget = *(Widget *)fromVal->addr; if (widget) buffer = XrmQuarkToString(widget->core.xrm_name); else buffer = "(null)"; size = strlen(buffer) + 1; if (toVal->addr != NULL) { if (toVal->size < size) { toVal->size = size; return (False); } strcpy((char *)toVal->addr, buffer); } else toVal->addr = (XPointer)buffer; toVal->size = sizeof(String); return (True); }