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Diffstat (limited to 'libXaw/src/Sme.c')
| -rw-r--r-- | libXaw/src/Sme.c | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/libXaw/src/Sme.c b/libXaw/src/Sme.c new file mode 100644 index 000000000..a4af577d8 --- /dev/null +++ b/libXaw/src/Sme.c @@ -0,0 +1,272 @@ +/* $Xorg: Sme.c,v 1.4 2001/02/09 02:03:45 xorgcvs Exp $ */ + +/* +Copyright 1989, 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. + */ +/* $XFree86: xc/lib/Xaw/Sme.c,v 1.6 2001/01/17 19:42:31 dawes Exp $ */ + +/* + * Date: September 26, 1989 + * + * By: Chris D. Peterson + * MIT X Consortium + * kit@expo.lcs.mit.edu + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdio.h> +#include <X11/IntrinsicP.h> +#include <X11/StringDefs.h> +#include <X11/Xaw/Cardinals.h> +#include <X11/Xaw/SmeP.h> +#include <X11/Xaw/XawInit.h> +#include "Private.h" + +/* + * Class Methods + */ +static void Highlight(Widget); +static void Notify(Widget); +static void Unhighlight(Widget); +static void XawSmeClassPartInitialize(WidgetClass); +static void XawSmeInitialize(Widget, Widget, ArgList, Cardinal*); +static XtGeometryResult XawSmeQueryGeometry(Widget, XtWidgetGeometry*, + XtWidgetGeometry*); + +/* + * Initialization + */ +#define offset(field) XtOffsetOf(SmeRec, sme.field) +static XtResource resources[] = { + { + XtNcallback, + XtCCallback, + XtRCallback, + sizeof(XtPointer), + offset(callbacks), + XtRCallback, + NULL + }, + { + XtNinternational, + XtCInternational, + XtRBoolean, + sizeof(Boolean), + offset(international), + XtRImmediate, + (XtPointer)False + }, +}; +#undef offset + +#define Superclass (&rectObjClassRec) +SmeClassRec smeClassRec = { + /* rectangle */ + { + (WidgetClass)Superclass, /* superclass */ + "Sme", /* class_name */ + sizeof(SmeRec), /* widget_size */ + XawInitializeWidgetSet, /* class_initialize */ + XawSmeClassPartInitialize, /* class_part_initialize */ + False, /* class_initialized */ + XawSmeInitialize, /* initialize */ + NULL, /* initialize_hook */ + NULL, /* realize */ + NULL, /* actions */ + 0, /* num_actions */ + resources, /* resources */ + XtNumber(resources), /* num_resources */ + NULLQUARK, /* xrm_class */ + False, /* compress_motion */ + False, /* compress_exposure */ + False, /* compress_enterleave */ + False, /* visible_interest */ + NULL, /* destroy */ + NULL, /* resize */ + NULL, /* expose */ + NULL, /* set_values */ + NULL, /* set_values_hook */ + XtInheritSetValuesAlmost, /* set_values_almost */ + NULL, /* get_values_hook */ + NULL, /* accept_focus */ + XtVersion, /* intrinsics_version */ + NULL, /* callback offsets */ + NULL, /* tm_table */ + XawSmeQueryGeometry, /* query_geometry */ + NULL, /* display_accelerator */ + NULL, /* extension */ + }, + /* sme */ + { + Highlight, /* highlight */ + Unhighlight, /* unhighlight */ + Notify, /* notify */ + NULL, /* extension */ + } +}; + +WidgetClass smeObjectClass = (WidgetClass)&smeClassRec; + +/* + * Implementation + */ +/* + * Function: + * XawSmeClassPartInitialize + * + * Parameters: + * cclass - widget classs of this widget + * + * Description: + * Handles inheritance of class functions. + */ +static void +XawSmeClassPartInitialize(WidgetClass cclass) +{ + SmeObjectClass m_ent, superC; + + m_ent = (SmeObjectClass)cclass; + superC = (SmeObjectClass)m_ent->rect_class.superclass; + + if (m_ent->sme_class.highlight == XtInheritHighlight) + m_ent->sme_class.highlight = superC->sme_class.highlight; + + if (m_ent->sme_class.unhighlight == XtInheritUnhighlight) + m_ent->sme_class.unhighlight = superC->sme_class.unhighlight; + + if (m_ent->sme_class.notify == XtInheritNotify) + m_ent->sme_class.notify = superC->sme_class.notify; +} + +/* + * Function: + * XawSmeInitialize + * + * Parameters: + * request - widget requested by the argument list + * cnew - new widget with both resource and non resource values + * + * Description: + * Initializes the simple menu widget entry + */ +/*ARGSUSED*/ +static void +XawSmeInitialize(Widget request, Widget cnew, + ArgList args, Cardinal *num_args) +{ + SmeObject entry = (SmeObject)cnew; + + entry->rectangle.border_width = 0; +} + +/* + * Function: + * Highlight + * + * Parameters: + * w - menu entry + * + * Description: + * Default highlight proceedure for menu entries. + */ +/*ARGSUSED*/ +static void +Highlight(Widget w) +{ +} + +/* + * Function: + * Unhighlight + * + * Parameters: + * w - menu entry + * + * Description: + * Default unhighlight proceedure for menu entries. + */ +/*ARGSUSED*/ +static void +Unhighlight(Widget w) +{ +} + +/* + * Function: + * Notify + * + * Parameters: + * w - menu entry + * + * Description: + * Calls the callback proceedures for this entry. + */ +static void +Notify(Widget w) +{ + XtCallCallbacks(w, XtNcallback, NULL); +} + +/* + * Function: + * QueryGeometry + * + * Parameeters: + * w - menu entry object + * itended - intended and return geometry info + * return_val - + * + * Description: + * Returns the preferred geometry for this widget. + * + * Returns: + * Geometry Result + * + * Note: + * See the Intrinsics manual for details on what this function is for. + */ +static XtGeometryResult +XawSmeQueryGeometry(Widget w, XtWidgetGeometry *intended, + XtWidgetGeometry *return_val) +{ + SmeObject entry = (SmeObject)w; + Dimension width; + XtGeometryResult ret_val = XtGeometryYes; + XtGeometryMask mode = intended->request_mode; + + width = 1; + + if (((mode & CWWidth) && intended->width != width) || !(mode & CWWidth)) { + return_val->request_mode |= CWWidth; + return_val->width = width; + mode = return_val->request_mode; + + if ((mode & CWWidth) && width == XtWidth(entry)) + return (XtGeometryNo); + return (XtGeometryAlmost); + } + + return (ret_val); +} |