Added libXaw

1 files changed, 267 insertions, 0 deletions

diff --git a/libXaw/src/SmeLine.c b/libXaw/src/SmeLine.c
new file mode 100644
index 000000000..88a6e9ce5
--- /dev/null
+++ b/libXaw/src/SmeLine.c
@@ -0,0 +1,267 @@
+/* $Xorg: SmeLine.c,v 1.4 2001/02/09 02:03:45 xorgcvs Exp $ */
+
+/*
+Copyright 1989, 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.
+ *
+ * Author:  Chris D. Peterson, MIT X Consortium
+ */
+/* $XFree86: xc/lib/Xaw/SmeLine.c,v 1.7 2001/01/17 19:42:31 dawes Exp $ */
+
+/*
+ * Sme.c - Source code for the generic menu entry
+ *
+ * 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/SmeLineP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+/*
+ * Class Methods
+ */
+static void XawSmeLineDestroy(Widget);
+static void XawSmeLineInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawSmeLineRedisplay(Widget, XEvent*, Region);
+static Boolean XawSmeLineSetValues(Widget, Widget, Widget,
+				   ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void CreateGC(Widget);
+static void DestroyGC(Widget);
+
+/*
+ * Initialization
+ */
+#define offset(field)	XtOffsetOf(SmeLineRec, sme_line.field)
+static XtResource resources[] = {
+  {
+    XtNlineWidth,
+    XtCLineWidth,
+    XtRDimension,
+    sizeof(Dimension),
+    offset(line_width),
+    XtRImmediate,
+    (XtPointer)1
+  },
+  {
+    XtNstipple,
+    XtCStipple,
+    XtRBitmap,
+    sizeof(Pixmap),
+    offset(stipple),
+    XtRImmediate,
+    (XtPointer)XtUnspecifiedPixmap
+  },
+  {
+    XtNforeground,
+    XtCForeground,
+    XtRPixel,
+    sizeof(Pixel),
+    offset(foreground),
+    XtRString,
+    XtDefaultForeground
+  },
+};
+#undef offset
+
+#define Superclass	(&smeClassRec)
+SmeLineClassRec smeLineClassRec = {
+  /* rectangle */
+  {
+    (WidgetClass)Superclass,		/* superclass */
+    "SmeLine",				/* class_name */
+    sizeof(SmeLineRec),			/* widget_size */
+    XawInitializeWidgetSet,		/* class_initialize */
+    NULL,				/* class_part_initialize */
+    False,				/* class inited */
+    XawSmeLineInitialize,		/* 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 */
+    XawSmeLineDestroy,			/* destroy */
+    NULL,				/* resize */
+    XawSmeLineRedisplay,		/* expose */
+    XawSmeLineSetValues,		/* 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 */
+    XtInheritQueryGeometry,		/* query_geometry */
+    NULL,				/* display_accelerator */
+    NULL,				/* extension */
+  },
+  /* sme */
+  {
+    XtInheritHighlight,			/* highlight */
+    XtInheritUnhighlight,		/* unhighlight */
+    XtInheritNotify,			/* notify */
+    NULL,				/* extension */
+  },
+  /* sme_line */
+  {
+    NULL,				/* extension */
+  }
+};
+
+WidgetClass smeLineObjectClass = (WidgetClass)&smeLineClassRec;
+
+/*
+ * Implementation
+ */
+/*ARGSUSED*/
+static void
+XawSmeLineInitialize(Widget request, Widget cnew,
+		     ArgList args, Cardinal *num_args)
+{
+    SmeLineObject entry = (SmeLineObject)cnew;
+
+    if (XtHeight(entry) == 0)
+	XtHeight(entry) = entry->sme_line.line_width;
+
+    CreateGC(cnew);
+}
+
+/*
+ * Function:
+ *	CreateGC
+ *
+ * Parameters:
+ *	w - Line entry widget
+ *
+ * Description:
+ *	Creates the GC for the line entry widget.
+ *
+ * Note:
+ *      We can only share the GC if there is no stipple, because
+ *	we need to change the stipple origin when drawing
+ */
+static void
+CreateGC(Widget w)
+{
+    SmeLineObject entry = (SmeLineObject)w;
+    XGCValues values;
+    XtGCMask mask = GCForeground | GCGraphicsExposures | GCLineWidth;
+    
+    values.foreground = entry->sme_line.foreground;
+    values.graphics_exposures = False;
+    values.line_width = entry->sme_line.line_width;
+    
+    if (entry->sme_line.stipple != XtUnspecifiedPixmap) {
+	values.stipple = entry->sme_line.stipple;
+	values.fill_style = FillStippled; 
+	mask |= GCStipple | GCFillStyle;
+	
+	entry->sme_line.gc = XCreateGC(XtDisplayOfObject(w), 
+				      RootWindowOfScreen(XtScreenOfObject(w)),
+				      mask, &values);
+    }
+    else
+	entry->sme_line.gc = XtGetGC(w, mask, &values);
+}
+
+static void
+XawSmeLineDestroy(Widget w)
+{
+    DestroyGC(w);
+}
+
+static void
+DestroyGC(Widget w)
+{
+    SmeLineObject entry = (SmeLineObject)w;
+
+    if (entry->sme_line.stipple != XtUnspecifiedPixmap) 
+	XFreeGC(XtDisplayOfObject(w), entry->sme_line.gc);
+    else
+	XtReleaseGC(w, entry->sme_line.gc);
+}
+
+/*ARGSUSED*/
+static void
+XawSmeLineRedisplay(Widget w, XEvent *event, Region region)
+{
+    SmeLineObject entry = (SmeLineObject)w;
+    int y = XtY(w) + (((int)XtHeight(w) - entry->sme_line.line_width) >> 1);
+
+    if (entry->sme_line.stipple != XtUnspecifiedPixmap) 
+	XSetTSOrigin(XtDisplayOfObject(w), entry->sme_line.gc, 0, y);
+
+    XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w),
+		   entry->sme_line.gc, XtX(w), y,
+		   XtWidth(w), entry->sme_line.line_width);
+}
+
+/*
+ * Function:
+ *	XawSmeLineSetValues
+ *
+ * Parameters:
+ *	current - current state of the widget
+ *	request - what was requested
+ *	cnew	- what the widget will become
+ *
+ * Description:
+ *	Relayout the menu when one of the resources is changed.
+ */
+/*ARGSUSED*/
+static Boolean
+XawSmeLineSetValues(Widget current, Widget request, Widget cnew,
+		    ArgList args, Cardinal *num_args)
+{
+    SmeLineObject entry = (SmeLineObject)cnew;
+    SmeLineObject old_entry = (SmeLineObject)current;
+  
+    if (entry->sme_line.line_width != old_entry->sme_line.line_width &&
+	entry->sme_line.stipple != old_entry->sme_line.stipple) {
+	DestroyGC(current);
+	CreateGC(cnew);
+	return (True);
+    }
+
+    return (False);
+}