--- /dev/null
+/* Emacs manager widget.
+ Copyright (C) 1993-1995 Sun Microsystems, Inc.
+ Copyright (C) 1995 Ben Wing.
+
+This file is part of XEmacs.
+
+XEmacs is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+/* Synched up with: Not in FSF. */
+
+/* Written by Ben Wing, May, 1994. */
+
+#include <config.h>
+
+#include <X11/StringDefs.h>
+#include "EmacsManagerP.h"
+#ifdef LWLIB_MENUBARS_MOTIF
+#include <Xm/RowColumn.h>
+#endif /* LWLIB_MENUBARS_MOTIF */
+
+/* For I, Emacs, am a kind god. Unlike the goddess Athena and the
+ Titan Motif, I require no ritual sacrifices to placate the lesser
+ daemons of geometry management. */
+
+static XtResource resources[] = {
+#define offset(field) XtOffset(EmacsManagerWidget, emacs_manager.field)
+ { XtNresizeCallback, XtCCallback,
+ XtRCallback, sizeof (XtCallbackList),
+ offset(resize_callback), XtRImmediate, (XtPointer) 0 },
+ { XtNqueryGeometryCallback, XtCCallback,
+ XtRCallback, sizeof (XtCallbackList),
+ offset(query_geometry_callback), XtRImmediate, (XtPointer) 0 },
+ { XtNuserData, XtCUserData,
+ XtRPointer, sizeof (XtPointer),
+ offset(user_data), XtRImmediate, (XtPointer) 0 },
+};
+
+/****************************************************************
+ *
+ * Full class record constant
+ *
+ ****************************************************************/
+
+static XtGeometryResult QueryGeometry (Widget wid,
+ XtWidgetGeometry *request,
+ XtWidgetGeometry *reply);
+static void Resize (Widget w);
+static XtGeometryResult GeometryManager (Widget w, XtWidgetGeometry *request,
+ XtWidgetGeometry *reply);
+static void ChangeManaged (Widget w);
+static void Realize (Widget w, Mask *valueMask,
+ XSetWindowAttributes *attributes);
+static void ClassInitialize (void);
+
+EmacsManagerClassRec emacsManagerClassRec = {
+ {
+/* core_class fields */
+#ifdef LWLIB_USES_MOTIF
+ /* superclass */ (WidgetClass) &xmManagerClassRec,
+#else
+ /* superclass */ (WidgetClass) &compositeClassRec,
+#endif
+ /* class_name */ "EmacsManager",
+ /* widget_size */ sizeof (EmacsManagerRec),
+ /* class_initialize */ ClassInitialize,
+ /* class_part_init */ NULL,
+ /* class_inited */ FALSE,
+ /* initialize */ NULL,
+ /* initialize_hook */ NULL,
+ /* realize */ Realize,
+ /* actions */ NULL,
+ /* num_actions */ 0,
+ /* resources */ resources,
+ /* num_resources */ XtNumber(resources),
+ /* xrm_class */ NULLQUARK,
+ /* compress_motion */ TRUE,
+ /* compress_exposure */ XtExposeCompressMaximal | XtExposeNoRegion,
+ /* compress_enterleave*/ TRUE,
+ /* visible_interest */ FALSE,
+ /* destroy */ NULL,
+ /* resize */ Resize,
+ /* expose */ NULL,
+ /* set_values */ NULL,
+ /* set_values_hook */ NULL,
+ /* set_values_almost */ XtInheritSetValuesAlmost,
+ /* get_values_hook */ NULL,
+ /* accept_focus */ NULL,
+ /* version */ XtVersion,
+ /* callback_private */ NULL,
+ /* tm_table */ XtInheritTranslations,
+ /* query_geometry */ QueryGeometry,
+ /* display_accelerator*/ XtInheritDisplayAccelerator,
+ /* extension */ NULL
+ },
+ {
+/* composite_class fields */
+ /* geometry_manager */ GeometryManager,
+ /* change_managed */ ChangeManaged,
+ /* insert_child */ XtInheritInsertChild,
+ /* delete_child */ XtInheritDeleteChild,
+ /* extension */ NULL
+ },
+#ifdef LWLIB_USES_MOTIF
+ {
+ /* constraint_class fields */
+ NULL, /* resource list */
+ 0, /* num resources */
+ 0, /* constraint size */
+ (XtInitProc)NULL, /* init proc */
+ (XtWidgetProc)NULL, /* destroy proc */
+ (XtSetValuesFunc)NULL, /* set values proc */
+ NULL, /* extension */
+ },
+ {
+/* manager_class fields */
+ XtInheritTranslations, /* translations */
+ NULL, /* syn_resources */
+ 0, /* num_syn_resources */
+ NULL, /* syn_cont_resources */
+ 0, /* num_syn_cont_resources */
+ XmInheritParentProcess, /* parent_process */
+ NULL, /* extension */
+ },
+#endif
+ {
+/* emacs_manager_class fields */
+ /* empty */ 0,
+ }
+};
+
+WidgetClass emacsManagerWidgetClass = (WidgetClass)&emacsManagerClassRec;
+
+/* What is my preferred size? A suggested size may be given. */
+
+static XtGeometryResult
+QueryGeometry (Widget w, XtWidgetGeometry *request, XtWidgetGeometry *reply)
+{
+ EmacsManagerWidget emw = (EmacsManagerWidget) w;
+ EmacsManagerQueryGeometryStruct struc;
+ int request_mode = request->request_mode;
+
+ struc.request_mode = request_mode;
+ struc.proposed_width = (request_mode & CWWidth) ? request->width : 0;
+ struc.proposed_height = (request_mode & CWHeight) ? request->height : 0;
+ XtCallCallbackList (w, emw->emacs_manager.query_geometry_callback, &struc);
+ reply->request_mode = CWWidth | CWHeight;
+ reply->width = struc.proposed_width;
+ reply->height = struc.proposed_height;
+ if (((request_mode & CWWidth) && (request->width != reply->width)) ||
+ ((request_mode & CWHeight) && (request->height != reply->height)))
+ return XtGeometryAlmost;
+ return XtGeometryYes;
+}
+
+static void
+Resize (Widget w)
+{
+ EmacsManagerWidget emw = (EmacsManagerWidget) w;
+ EmacsManagerResizeStruct struc;
+
+ struc.width = w->core.width;
+ struc.height = w->core.height;
+ XtCallCallbackList (w, emw->emacs_manager.resize_callback, &struc);
+}
+
+static XtGeometryResult
+GeometryManager (Widget w, XtWidgetGeometry *request, XtWidgetGeometry *reply)
+{
+ /* Sure, any changes are fine. */
+
+#ifdef LWLIB_MENUBARS_MOTIF
+ /* The Motif menubar will merrily request a new size every time a
+ child is added or deleted. Blow it off because it doesn't know
+ what it's talking about. */
+ if (XtClass (w) != xmRowColumnWidgetClass)
+#endif /* LWLIB_MENUBARS_MOTIF */
+ {
+ if (request->request_mode & CWWidth) w->core.width = request->width;
+ if (request->request_mode & CWHeight) w->core.height = request->height;
+ }
+ if (request->request_mode & CWBorderWidth)
+ w->core.border_width = request->border_width;
+ if (request->request_mode & CWX) w->core.x = request->x;
+ if (request->request_mode & CWY) w->core.y = request->y;
+
+ return XtGeometryYes;
+}
+
+static void
+ChangeManaged (Widget w)
+{
+ if (!XtIsRealized (w))
+ {
+ XtWidgetGeometry request, reply;
+
+ /* find out how big we'd like to be ... */
+
+ request.request_mode = 0;
+ XtQueryGeometry (w, &request, &reply);
+ EmacsManagerChangeSize (w, reply.width, reply.height);
+ }
+}
+
+static void
+Realize (Widget w, Mask *valueMask, XSetWindowAttributes *attributes)
+{
+ attributes->bit_gravity = NorthWestGravity;
+ *valueMask |= CWBitGravity;
+
+ XtCreateWindow (w, (unsigned) InputOutput, (Visual *) CopyFromParent,
+ *valueMask, attributes);
+}
+
+static void
+ClassInitialize (void)
+{
+ return;
+}
+
+void
+EmacsManagerChangeSize (Widget w, Dimension width, Dimension height)
+{
+ if (width == 0)
+ width = w->core.width;
+ if (height == 0)
+ height = w->core.height;
+
+ /* do nothing if we're already that size */
+ if (w->core.width != width || w->core.height != height)
+ {
+ XtGeometryResult result =
+ XtMakeResizeRequest (w, width, height, &w->core.width, &w->core.height);
+ if (result == XtGeometryNo)
+ return;
+ if (result == XtGeometryAlmost)
+ XtMakeResizeRequest (w, w->core.width, w->core.height, NULL, NULL);
+ Resize (w);
+ }
+}
+
+
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